projects / linux-block.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
Linux 6.16-rc4
[linux-block.git] / drivers / net / ethernet / broadcom / tg3.c
CommitLineData
1da177e4
LT		 1/*
2 * tg3.c: Broadcom Tigon3 ethernet driver.
3 *
4 * Copyright (C) 2001, 2002, 2003, 2004 David S. Miller (davem@redhat.com)
5 * Copyright (C) 2001, 2002, 2003 Jeff Garzik (jgarzik@pobox.com)
6 * Copyright (C) 2004 Sun Microsystems Inc.
5a8bae97
SRK		 7 * Copyright (C) 2005-2016 Broadcom Corporation.
8 * Copyright (C) 2016-2017 Broadcom Limited.
0f2605fb
SRK		 9 * Copyright (C) 2018 Broadcom. All Rights Reserved. The term "Broadcom"
10 * refers to Broadcom Inc. and/or its subsidiaries.
1da177e4
LT		 11 *
12 * Firmware is:
49cabf49 13 * Derived from proprietary unpublished source code,
5a8bae97
SRK		 14 * Copyright (C) 2000-2016 Broadcom Corporation.
15 * Copyright (C) 2016-2017 Broadcom Ltd.
0f2605fb
SRK		 16 * Copyright (C) 2018 Broadcom. All Rights Reserved. The term "Broadcom"
17 * refers to Broadcom Inc. and/or its subsidiaries.
49cabf49
MC		 18 *
19 * Permission is hereby granted for the distribution of this firmware
20 * data in hexadecimal or equivalent format, provided this copyright
21 * notice is accompanying it.
1da177e4
LT		 22 */
23
1da177e4
LT		 24
25#include <linux/module.h>
26#include <linux/moduleparam.h>
6867c843 27#include <linux/stringify.h>
1da177e4 28#include <linux/kernel.h>
174cd4b1 29#include <linux/sched/signal.h>
1da177e4
LT		 30#include <linux/types.h>
31#include <linux/compiler.h>
32#include <linux/slab.h>
33#include <linux/delay.h>
14c85021 34#include <linux/in.h>
a6b7a407 35#include <linux/interrupt.h>
1da177e4
LT		 36#include <linux/ioport.h>
37#include <linux/pci.h>
38#include <linux/netdevice.h>
39#include <linux/etherdevice.h>
40#include <linux/skbuff.h>
41#include <linux/ethtool.h>
3110f5f5 42#include <linux/mdio.h>
1da177e4 43#include <linux/mii.h>
158d7abd 44#include <linux/phy.h>
a9daf367 45#include <linux/brcmphy.h>
e565eec3 46#include <linux/if.h>
1da177e4
LT		 47#include <linux/if_vlan.h>
48#include <linux/ip.h>
49#include <linux/tcp.h>
50#include <linux/workqueue.h>
61487480 51#include <linux/prefetch.h>
f9a5f7d3 52#include <linux/dma-mapping.h>
077f849d 53#include <linux/firmware.h>
7e6c63f0 54#include <linux/ssb/ssb_driver_gige.h>
aed93e0b
MC		 55#include <linux/hwmon.h>
56#include <linux/hwmon-sysfs.h>
0aa4024b 57#include <linux/crc32.h>
e0efe83e 58#include <linux/dmi.h>
1da177e4
LT		 59
60#include <net/checksum.h>
d457a0e3 61#include <net/gso.h>
c9bdd4b5 62#include <net/ip.h>
1da177e4 63
27fd9de8 64#include <linux/io.h>
1da177e4 65#include <asm/byteorder.h>
27fd9de8 66#include <linux/uaccess.h>
1da177e4 67
be947307
MC		 68#include <uapi/linux/net_tstamp.h>
69#include <linux/ptp_clock_kernel.h>
70
63532394
MC		 71#define BAR_0 0
72#define BAR_2 2
73
1da177e4
LT		 74#include "tg3.h"
75
63c3a66f
JP		 76/* Functions & macros to verify TG3_FLAGS types */
77
78static inline int _tg3_flag(enum TG3_FLAGS flag, unsigned long *bits)
79{
80 return test_bit(flag, bits);
81}
82
83static inline void _tg3_flag_set(enum TG3_FLAGS flag, unsigned long *bits)
84{
85 set_bit(flag, bits);
86}
87
88static inline void _tg3_flag_clear(enum TG3_FLAGS flag, unsigned long *bits)
89{
90 clear_bit(flag, bits);
91}
92
93#define tg3_flag(tp, flag) \
94 _tg3_flag(TG3_FLAG_##flag, (tp)->tg3_flags)
95#define tg3_flag_set(tp, flag) \
96 _tg3_flag_set(TG3_FLAG_##flag, (tp)->tg3_flags)
97#define tg3_flag_clear(tp, flag) \
98 _tg3_flag_clear(TG3_FLAG_##flag, (tp)->tg3_flags)
99
1da177e4 100#define DRV_MODULE_NAME "tg3"
e3c0a635 101/* DO NOT UPDATE TG3_*_NUM defines */
6867c843 102#define TG3_MAJ_NUM 3
de750e4c 103#define TG3_MIN_NUM 137
1da177e4 104
fd6d3f0e
MC		 105#define RESET_KIND_SHUTDOWN 0
106#define RESET_KIND_INIT 1
107#define RESET_KIND_SUSPEND 2
108
1da177e4
LT		 109#define TG3_DEF_RX_MODE 0
110#define TG3_DEF_TX_MODE 0
111#define TG3_DEF_MSG_ENABLE \
112 (NETIF_MSG_DRV | \
113 NETIF_MSG_PROBE | \
114 NETIF_MSG_LINK | \
115 NETIF_MSG_TIMER | \
116 NETIF_MSG_IFDOWN | \
117 NETIF_MSG_IFUP | \
118 NETIF_MSG_RX_ERR | \
119 NETIF_MSG_TX_ERR)
120
520b2756
MC		 121#define TG3_GRC_LCLCTL_PWRSW_DELAY 100
122
1da177e4
LT		 123/* length of time before we decide the hardware is borked,
124 * and dev->tx_timeout() should be called to fix the problem
125 */
63c3a66f 126
1da177e4
LT		 127#define TG3_TX_TIMEOUT (5 * HZ)
128
129/* hardware minimum and maximum for a single frame's data payload */
e1c6dcca 130#define TG3_MIN_MTU ETH_ZLEN
1da177e4 131#define TG3_MAX_MTU(tp) \
63c3a66f 132 (tg3_flag(tp, JUMBO_CAPABLE) ? 9000 : 1500)
1da177e4
LT		 133
134/* These numbers seem to be hard coded in the NIC firmware somehow.
135 * You can't change the ring sizes, but you can change where you place
136 * them in the NIC onboard memory.
137 */
7cb32cf2 138#define TG3_RX_STD_RING_SIZE(tp) \
63c3a66f 139 (tg3_flag(tp, LRG_PROD_RING_CAP) ? \
de9f5230 140 TG3_RX_STD_MAX_SIZE_5717 : TG3_RX_STD_MAX_SIZE_5700)
1da177e4 141#define TG3_DEF_RX_RING_PENDING 200
7cb32cf2 142#define TG3_RX_JMB_RING_SIZE(tp) \
63c3a66f 143 (tg3_flag(tp, LRG_PROD_RING_CAP) ? \
de9f5230 144 TG3_RX_JMB_MAX_SIZE_5717 : TG3_RX_JMB_MAX_SIZE_5700)
1da177e4
LT		 145#define TG3_DEF_RX_JUMBO_RING_PENDING 100
146
147/* Do not place this n-ring entries value into the tp struct itself,
148 * we really want to expose these constants to GCC so that modulo et
149 * al. operations are done with shifts and masks instead of with
150 * hw multiply/modulo instructions. Another solution would be to
151 * replace things like '% foo' with '& (foo - 1)'.
152 */
1da177e4
LT		 153
154#define TG3_TX_RING_SIZE 512
155#define TG3_DEF_TX_RING_PENDING (TG3_TX_RING_SIZE - 1)
156
2c49a44d
MC		 157#define TG3_RX_STD_RING_BYTES(tp) \
158 (sizeof(struct tg3_rx_buffer_desc) * TG3_RX_STD_RING_SIZE(tp))
159#define TG3_RX_JMB_RING_BYTES(tp) \
160 (sizeof(struct tg3_ext_rx_buffer_desc) * TG3_RX_JMB_RING_SIZE(tp))
161#define TG3_RX_RCB_RING_BYTES(tp) \
7cb32cf2 162 (sizeof(struct tg3_rx_buffer_desc) * (tp->rx_ret_ring_mask + 1))
1da177e4
LT		 163#define TG3_TX_RING_BYTES (sizeof(struct tg3_tx_buffer_desc) * \
164 TG3_TX_RING_SIZE)
1da177e4
LT		 165#define NEXT_TX(N) (((N) + 1) & (TG3_TX_RING_SIZE - 1))
166
287be12e
MC		 167#define TG3_DMA_BYTE_ENAB 64
168
169#define TG3_RX_STD_DMA_SZ 1536
170#define TG3_RX_JMB_DMA_SZ 9046
171
172#define TG3_RX_DMA_TO_MAP_SZ(x) ((x) + TG3_DMA_BYTE_ENAB)
173
174#define TG3_RX_STD_MAP_SZ TG3_RX_DMA_TO_MAP_SZ(TG3_RX_STD_DMA_SZ)
175#define TG3_RX_JMB_MAP_SZ TG3_RX_DMA_TO_MAP_SZ(TG3_RX_JMB_DMA_SZ)
1da177e4 176
2c49a44d
MC		 177#define TG3_RX_STD_BUFF_RING_SIZE(tp) \
178 (sizeof(struct ring_info) * TG3_RX_STD_RING_SIZE(tp))
2b2cdb65 179
2c49a44d
MC		 180#define TG3_RX_JMB_BUFF_RING_SIZE(tp) \
181 (sizeof(struct ring_info) * TG3_RX_JMB_RING_SIZE(tp))
2b2cdb65 182
d2757fc4
MC		 183/* Due to a hardware bug, the 5701 can only DMA to memory addresses
184 * that are at least dword aligned when used in PCIX mode. The driver
185 * works around this bug by double copying the packet. This workaround
186 * is built into the normal double copy length check for efficiency.
187 *
188 * However, the double copy is only necessary on those architectures
189 * where unaligned memory accesses are inefficient. For those architectures
190 * where unaligned memory accesses incur little penalty, we can reintegrate
191 * the 5701 in the normal rx path. Doing so saves a device structure
192 * dereference by hardcoding the double copy threshold in place.
193 */
194#define TG3_RX_COPY_THRESHOLD 256
195#if NET_IP_ALIGN == 0 || defined(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS)
196 #define TG3_RX_COPY_THRESH(tp) TG3_RX_COPY_THRESHOLD
197#else
198 #define TG3_RX_COPY_THRESH(tp) ((tp)->rx_copy_thresh)
199#endif
200
81389f57
MC		 201#if (NET_IP_ALIGN != 0)
202#define TG3_RX_OFFSET(tp) ((tp)->rx_offset)
203#else
9205fd9c 204#define TG3_RX_OFFSET(tp) (NET_SKB_PAD)
81389f57
MC		 205#endif
206
1da177e4 207/* minimum number of free TX descriptors required to wake up TX process */
f3f3f27e 208#define TG3_TX_WAKEUP_THRESH(tnapi) ((tnapi)->tx_pending / 4)
55086ad9 209#define TG3_TX_BD_DMA_MAX_2K 2048
a4cb428d 210#define TG3_TX_BD_DMA_MAX_4K 4096
1da177e4 211
ad829268
MC		 212#define TG3_RAW_IP_ALIGN 2
213
e565eec3
MC		 214#define TG3_MAX_UCAST_ADDR(tp) (tg3_flag((tp), ENABLE_ASF) ? 2 : 3)
215#define TG3_UCAST_ADDR_IDX(tp) (tg3_flag((tp), ENABLE_ASF) ? 2 : 1)
216
c6cdf436 217#define TG3_FW_UPDATE_TIMEOUT_SEC 5
21f7638e 218#define TG3_FW_UPDATE_FREQ_SEC (TG3_FW_UPDATE_TIMEOUT_SEC / 2)
c6cdf436 219
077f849d 220#define FIRMWARE_TG3 "tigon/tg3.bin"
c4dab506 221#define FIRMWARE_TG357766 "tigon/tg357766.bin"
077f849d
JSR		 222#define FIRMWARE_TG3TSO "tigon/tg3_tso.bin"
223#define FIRMWARE_TG3TSO5 "tigon/tg3_tso5.bin"
224
6a57a219 225MODULE_AUTHOR("David S. Miller <davem@redhat.com> and Jeff Garzik <jgarzik@pobox.com>");
1da177e4
LT		 226MODULE_DESCRIPTION("Broadcom Tigon3 ethernet driver");
227MODULE_LICENSE("GPL");
077f849d 228MODULE_FIRMWARE(FIRMWARE_TG3);
046f753d 229MODULE_FIRMWARE(FIRMWARE_TG357766);
077f849d
JSR		 230MODULE_FIRMWARE(FIRMWARE_TG3TSO);
231MODULE_FIRMWARE(FIRMWARE_TG3TSO5);
232
1da177e4
LT		 233static int tg3_debug = -1; /* -1 == use TG3_DEF_MSG_ENABLE as value */
234module_param(tg3_debug, int, 0);
235MODULE_PARM_DESC(tg3_debug, "Tigon3 bitmapped debugging message enable value");
236
3d567e0e
NNS		 237#define TG3_DRV_DATA_FLAG_10_100_ONLY 0x0001
238#define TG3_DRV_DATA_FLAG_5705_10_100 0x0002
239
9baa3c34 240static const struct pci_device_id tg3_pci_tbl[] = {
13185217
HK		 241 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5700)},
242 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5701)},
243 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702)},
244 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703)},
245 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704)},
246 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702FE)},
247 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705)},
248 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705_2)},
249 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M)},
250 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M_2)},
251 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702X)},
252 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703X)},
253 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S)},
254 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702A3)},
255 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703A3)},
256 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5782)},
257 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5788)},
258 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5789)},
3d567e0e
NNS		 259 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901),
260 .driver_data = TG3_DRV_DATA_FLAG_10_100_ONLY |
261 TG3_DRV_DATA_FLAG_5705_10_100},
262 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901_2),
263 .driver_data = TG3_DRV_DATA_FLAG_10_100_ONLY |
264 TG3_DRV_DATA_FLAG_5705_10_100},
13185217 265 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S_2)},
3d567e0e
NNS		 266 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705F),
267 .driver_data = TG3_DRV_DATA_FLAG_10_100_ONLY |
268 TG3_DRV_DATA_FLAG_5705_10_100},
13185217 269 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5721)},
126a3368 270 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5722)},
7e6c63f0 271 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5750)},
13185217 272 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751)},
13185217 273 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751M)},
3d567e0e
NNS		 274 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751F),
275 .driver_data = TG3_DRV_DATA_FLAG_10_100_ONLY},
13185217
HK		 276 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752)},
277 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752M)},
278 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753)},
279 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753M)},
3d567e0e
NNS		 280 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753F),
281 .driver_data = TG3_DRV_DATA_FLAG_10_100_ONLY},
13185217
HK		 282 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5754)},
283 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5754M)},
284 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5755)},
285 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5755M)},
126a3368 286 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5756)},
13185217
HK		 287 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5786)},
288 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787)},
3d567e0e
NNS		 289 {PCI_DEVICE_SUB(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5787M,
290 PCI_VENDOR_ID_LENOVO,
291 TG3PCI_SUBDEVICE_ID_LENOVO_5787M),
292 .driver_data = TG3_DRV_DATA_FLAG_10_100_ONLY},
13185217 293 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787M)},
3d567e0e
NNS		 294 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787F),
295 .driver_data = TG3_DRV_DATA_FLAG_10_100_ONLY},
13185217
HK		 296 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714)},
297 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714S)},
298 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715)},
299 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715S)},
300 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780)},
301 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780S)},
302 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5781)},
b5d3772c
MC		 303 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5906)},
304 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5906M)},
d30cdd28
MC		 305 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5784)},
306 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5764)},
6c7af27c 307 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5723)},
9936bcf6
MC		 308 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5761)},
309 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5761E)},
c88e668b
MC		 310 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5761S)},
311 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5761SE)},
2befdcea
MC		 312 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5785_G)},
313 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5785_F)},
3d567e0e
NNS		 314 {PCI_DEVICE_SUB(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57780,
315 PCI_VENDOR_ID_AI, TG3PCI_SUBDEVICE_ID_ACER_57780_A),
316 .driver_data = TG3_DRV_DATA_FLAG_10_100_ONLY},
317 {PCI_DEVICE_SUB(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57780,
318 PCI_VENDOR_ID_AI, TG3PCI_SUBDEVICE_ID_ACER_57780_B),
319 .driver_data = TG3_DRV_DATA_FLAG_10_100_ONLY},
321d32a0
MC		 320 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57780)},
321 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57760)},
3d567e0e
NNS		 322 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57790),
323 .driver_data = TG3_DRV_DATA_FLAG_10_100_ONLY},
5e7ccf20 324 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57788)},
5001e2f6 325 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5717)},
79d49695 326 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5717_C)},
5001e2f6 327 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5718)},
b0f75221
MC		 328 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57781)},
329 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57785)},
330 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57761)},
331 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57765)},
3d567e0e
NNS		 332 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57791),
333 .driver_data = TG3_DRV_DATA_FLAG_10_100_ONLY},
334 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57795),
335 .driver_data = TG3_DRV_DATA_FLAG_10_100_ONLY},
302b500b 336 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5719)},
ba1f3c76 337 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5720)},
02eca3f5 338 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57762)},
d3f677af 339 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57766)},
c86a8560
MC		 340 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5762)},
341 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5725)},
342 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5727)},
68273712
NS		 343 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57764)},
344 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57767)},
345 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57787)},
346 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57782)},
347 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57786)},
13185217
HK		 348 {PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9DXX)},
349 {PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9MXX)},
350 {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1000)},
351 {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1001)},
352 {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1003)},
353 {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC9100)},
354 {PCI_DEVICE(PCI_VENDOR_ID_APPLE, PCI_DEVICE_ID_APPLE_TIGON3)},
1dcb14d9 355 {PCI_DEVICE(0x10cf, 0x11a2)}, /* Fujitsu 1000base-SX with BCM5703SKHB */
13185217 356 {}
1da177e4
LT		 357};
358
359MODULE_DEVICE_TABLE(pci, tg3_pci_tbl);
360
50da859d 361static const struct {
1da177e4 362 const char string[ETH_GSTRING_LEN];
48fa55a0 363} ethtool_stats_keys[] = {
1da177e4
LT		 364 { "rx_octets" },
365 { "rx_fragments" },
366 { "rx_ucast_packets" },
367 { "rx_mcast_packets" },
368 { "rx_bcast_packets" },
369 { "rx_fcs_errors" },
370 { "rx_align_errors" },
371 { "rx_xon_pause_rcvd" },
372 { "rx_xoff_pause_rcvd" },
373 { "rx_mac_ctrl_rcvd" },
374 { "rx_xoff_entered" },
375 { "rx_frame_too_long_errors" },
376 { "rx_jabbers" },
377 { "rx_undersize_packets" },
378 { "rx_in_length_errors" },
379 { "rx_out_length_errors" },
380 { "rx_64_or_less_octet_packets" },
381 { "rx_65_to_127_octet_packets" },
382 { "rx_128_to_255_octet_packets" },
383 { "rx_256_to_511_octet_packets" },
384 { "rx_512_to_1023_octet_packets" },
385 { "rx_1024_to_1522_octet_packets" },
386 { "rx_1523_to_2047_octet_packets" },
387 { "rx_2048_to_4095_octet_packets" },
388 { "rx_4096_to_8191_octet_packets" },
389 { "rx_8192_to_9022_octet_packets" },
390
391 { "tx_octets" },
392 { "tx_collisions" },
393
394 { "tx_xon_sent" },
395 { "tx_xoff_sent" },
396 { "tx_flow_control" },
397 { "tx_mac_errors" },
398 { "tx_single_collisions" },
399 { "tx_mult_collisions" },
400 { "tx_deferred" },
401 { "tx_excessive_collisions" },
402 { "tx_late_collisions" },
403 { "tx_collide_2times" },
404 { "tx_collide_3times" },
405 { "tx_collide_4times" },
406 { "tx_collide_5times" },
407 { "tx_collide_6times" },
408 { "tx_collide_7times" },
409 { "tx_collide_8times" },
410 { "tx_collide_9times" },
411 { "tx_collide_10times" },
412 { "tx_collide_11times" },
413 { "tx_collide_12times" },
414 { "tx_collide_13times" },
415 { "tx_collide_14times" },
416 { "tx_collide_15times" },
417 { "tx_ucast_packets" },
418 { "tx_mcast_packets" },
419 { "tx_bcast_packets" },
420 { "tx_carrier_sense_errors" },
421 { "tx_discards" },
422 { "tx_errors" },
423
424 { "dma_writeq_full" },
425 { "dma_write_prioq_full" },
426 { "rxbds_empty" },
427 { "rx_discards" },
428 { "rx_errors" },
429 { "rx_threshold_hit" },
430
431 { "dma_readq_full" },
432 { "dma_read_prioq_full" },
433 { "tx_comp_queue_full" },
434
435 { "ring_set_send_prod_index" },
436 { "ring_status_update" },
437 { "nic_irqs" },
438 { "nic_avoided_irqs" },
4452d099
MC		 439 { "nic_tx_threshold_hit" },
440
441 { "mbuf_lwm_thresh_hit" },
1da177e4
LT		 442};
443
48fa55a0 444#define TG3_NUM_STATS ARRAY_SIZE(ethtool_stats_keys)
93df8b8f
NNS		 445#define TG3_NVRAM_TEST 0
446#define TG3_LINK_TEST 1
447#define TG3_REGISTER_TEST 2
448#define TG3_MEMORY_TEST 3
449#define TG3_MAC_LOOPB_TEST 4
450#define TG3_PHY_LOOPB_TEST 5
451#define TG3_EXT_LOOPB_TEST 6
452#define TG3_INTERRUPT_TEST 7
48fa55a0
MC		 453
454
50da859d 455static const struct {
4cafd3f5 456 const char string[ETH_GSTRING_LEN];
48fa55a0 457} ethtool_test_keys[] = {
93df8b8f
NNS		 458 [TG3_NVRAM_TEST] = { "nvram test (online) " },
459 [TG3_LINK_TEST] = { "link test (online) " },
460 [TG3_REGISTER_TEST] = { "register test (offline)" },
461 [TG3_MEMORY_TEST] = { "memory test (offline)" },
462 [TG3_MAC_LOOPB_TEST] = { "mac loopback test (offline)" },
463 [TG3_PHY_LOOPB_TEST] = { "phy loopback test (offline)" },
464 [TG3_EXT_LOOPB_TEST] = { "ext loopback test (offline)" },
465 [TG3_INTERRUPT_TEST] = { "interrupt test (offline)" },
4cafd3f5
MC		 466};
467
48fa55a0
MC		 468#define TG3_NUM_TEST ARRAY_SIZE(ethtool_test_keys)
469
470
b401e9e2
MC		 471static void tg3_write32(struct tg3 *tp, u32 off, u32 val)
472{
473 writel(val, tp->regs + off);
474}
475
476static u32 tg3_read32(struct tg3 *tp, u32 off)
477{
de6f31eb 478 return readl(tp->regs + off);
b401e9e2
MC		 479}
480
0d3031d9
MC		 481static void tg3_ape_write32(struct tg3 *tp, u32 off, u32 val)
482{
483 writel(val, tp->aperegs + off);
484}
485
486static u32 tg3_ape_read32(struct tg3 *tp, u32 off)
487{
de6f31eb 488 return readl(tp->aperegs + off);
0d3031d9
MC		 489}
490
1da177e4
LT		 491static void tg3_write_indirect_reg32(struct tg3 *tp, u32 off, u32 val)
492{
6892914f
MC		 493 unsigned long flags;
494
495 spin_lock_irqsave(&tp->indirect_lock, flags);
1ee582d8
MC		 496 pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off);
497 pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val);
6892914f 498 spin_unlock_irqrestore(&tp->indirect_lock, flags);
1ee582d8
MC		 499}
500
501static void tg3_write_flush_reg32(struct tg3 *tp, u32 off, u32 val)
502{
503 writel(val, tp->regs + off);
504 readl(tp->regs + off);
1da177e4
LT		 505}
506
6892914f 507static u32 tg3_read_indirect_reg32(struct tg3 *tp, u32 off)
1da177e4 508{
6892914f
MC		 509 unsigned long flags;
510 u32 val;
511
512 spin_lock_irqsave(&tp->indirect_lock, flags);
513 pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off);
514 pci_read_config_dword(tp->pdev, TG3PCI_REG_DATA, &val);
515 spin_unlock_irqrestore(&tp->indirect_lock, flags);
516 return val;
517}
518
519static void tg3_write_indirect_mbox(struct tg3 *tp, u32 off, u32 val)
520{
521 unsigned long flags;
522
523 if (off == (MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW)) {
524 pci_write_config_dword(tp->pdev, TG3PCI_RCV_RET_RING_CON_IDX +
525 TG3_64BIT_REG_LOW, val);
526 return;
527 }
66711e66 528 if (off == TG3_RX_STD_PROD_IDX_REG) {
6892914f
MC		 529 pci_write_config_dword(tp->pdev, TG3PCI_STD_RING_PROD_IDX +
530 TG3_64BIT_REG_LOW, val);
531 return;
1da177e4 532 }
6892914f
MC		 533
534 spin_lock_irqsave(&tp->indirect_lock, flags);
535 pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off + 0x5600);
536 pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val);
537 spin_unlock_irqrestore(&tp->indirect_lock, flags);
538
539 /* In indirect mode when disabling interrupts, we also need
540 * to clear the interrupt bit in the GRC local ctrl register.
541 */
542 if ((off == (MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW)) &&
543 (val == 0x1)) {
544 pci_write_config_dword(tp->pdev, TG3PCI_MISC_LOCAL_CTRL,
545 tp->grc_local_ctrl|GRC_LCLCTRL_CLEARINT);
546 }
547}
548
549static u32 tg3_read_indirect_mbox(struct tg3 *tp, u32 off)
550{
551 unsigned long flags;
552 u32 val;
553
554 spin_lock_irqsave(&tp->indirect_lock, flags);
555 pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off + 0x5600);
556 pci_read_config_dword(tp->pdev, TG3PCI_REG_DATA, &val);
557 spin_unlock_irqrestore(&tp->indirect_lock, flags);
558 return val;
559}
560
b401e9e2
MC		 561/* usec_wait specifies the wait time in usec when writing to certain registers
562 * where it is unsafe to read back the register without some delay.
563 * GRC_LOCAL_CTRL is one example if the GPIOs are toggled to switch power.
564 * TG3PCI_CLOCK_CTRL is another example if the clock frequencies are changed.
565 */
566static void _tw32_flush(struct tg3 *tp, u32 off, u32 val, u32 usec_wait)
6892914f 567{
63c3a66f 568 if (tg3_flag(tp, PCIX_TARGET_HWBUG) || tg3_flag(tp, ICH_WORKAROUND))
b401e9e2
MC		 569 /* Non-posted methods */
570 tp->write32(tp, off, val);
571 else {
572 /* Posted method */
573 tg3_write32(tp, off, val);
574 if (usec_wait)
575 udelay(usec_wait);
576 tp->read32(tp, off);
577 }
578 /* Wait again after the read for the posted method to guarantee that
579 * the wait time is met.
580 */
581 if (usec_wait)
582 udelay(usec_wait);
1da177e4
LT		 583}
584
09ee929c
MC		 585static inline void tw32_mailbox_flush(struct tg3 *tp, u32 off, u32 val)
586{
587 tp->write32_mbox(tp, off, val);
7e6c63f0
HM		 588 if (tg3_flag(tp, FLUSH_POSTED_WRITES) ||
589 (!tg3_flag(tp, MBOX_WRITE_REORDER) &&
590 !tg3_flag(tp, ICH_WORKAROUND)))
6892914f 591 tp->read32_mbox(tp, off);
09ee929c
MC		 592}
593
20094930 594static void tg3_write32_tx_mbox(struct tg3 *tp, u32 off, u32 val)
1da177e4
LT		 595{
596 void __iomem *mbox = tp->regs + off;
597 writel(val, mbox);
63c3a66f 598 if (tg3_flag(tp, TXD_MBOX_HWBUG))
1da177e4 599 writel(val, mbox);
7e6c63f0
HM		 600 if (tg3_flag(tp, MBOX_WRITE_REORDER) ||
601 tg3_flag(tp, FLUSH_POSTED_WRITES))
1da177e4
LT		 602 readl(mbox);
603}
604
b5d3772c
MC		 605static u32 tg3_read32_mbox_5906(struct tg3 *tp, u32 off)
606{
de6f31eb 607 return readl(tp->regs + off + GRCMBOX_BASE);
b5d3772c
MC		 608}
609
610static void tg3_write32_mbox_5906(struct tg3 *tp, u32 off, u32 val)
611{
612 writel(val, tp->regs + off + GRCMBOX_BASE);
613}
614
c6cdf436 615#define tw32_mailbox(reg, val) tp->write32_mbox(tp, reg, val)
09ee929c 616#define tw32_mailbox_f(reg, val) tw32_mailbox_flush(tp, (reg), (val))
c6cdf436
MC		 617#define tw32_rx_mbox(reg, val) tp->write32_rx_mbox(tp, reg, val)
618#define tw32_tx_mbox(reg, val) tp->write32_tx_mbox(tp, reg, val)
619#define tr32_mailbox(reg) tp->read32_mbox(tp, reg)
20094930 620
c6cdf436
MC		 621#define tw32(reg, val) tp->write32(tp, reg, val)
622#define tw32_f(reg, val) _tw32_flush(tp, (reg), (val), 0)
623#define tw32_wait_f(reg, val, us) _tw32_flush(tp, (reg), (val), (us))
624#define tr32(reg) tp->read32(tp, reg)
1da177e4
LT		 625
626static void tg3_write_mem(struct tg3 *tp, u32 off, u32 val)
627{
6892914f
MC		 628 unsigned long flags;
629
4153577a 630 if (tg3_asic_rev(tp) == ASIC_REV_5906 &&
b5d3772c
MC		 631 (off >= NIC_SRAM_STATS_BLK) && (off < NIC_SRAM_TX_BUFFER_DESC))
632 return;
633
6892914f 634 spin_lock_irqsave(&tp->indirect_lock, flags);
63c3a66f 635 if (tg3_flag(tp, SRAM_USE_CONFIG)) {
bbadf503
MC		 636 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
637 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
1da177e4 638
bbadf503
MC		 639 /* Always leave this as zero. */
640 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
641 } else {
642 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, off);
643 tw32_f(TG3PCI_MEM_WIN_DATA, val);
28fbef78 644
bbadf503
MC		 645 /* Always leave this as zero. */
646 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, 0);
647 }
648 spin_unlock_irqrestore(&tp->indirect_lock, flags);
758a6139
DM		 649}
650
1da177e4
LT		 651static void tg3_read_mem(struct tg3 *tp, u32 off, u32 *val)
652{
6892914f
MC		 653 unsigned long flags;
654
4153577a 655 if (tg3_asic_rev(tp) == ASIC_REV_5906 &&
b5d3772c
MC		 656 (off >= NIC_SRAM_STATS_BLK) && (off < NIC_SRAM_TX_BUFFER_DESC)) {
657 *val = 0;
658 return;
659 }
660
6892914f 661 spin_lock_irqsave(&tp->indirect_lock, flags);
63c3a66f 662 if (tg3_flag(tp, SRAM_USE_CONFIG)) {
bbadf503
MC		 663 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
664 pci_read_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
1da177e4 665
bbadf503
MC		 666 /* Always leave this as zero. */
667 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
668 } else {
669 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, off);
670 *val = tr32(TG3PCI_MEM_WIN_DATA);
671
672 /* Always leave this as zero. */
673 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, 0);
674 }
6892914f 675 spin_unlock_irqrestore(&tp->indirect_lock, flags);
1da177e4
LT		 676}
677
0d3031d9
MC		 678static void tg3_ape_lock_init(struct tg3 *tp)
679{
680 int i;
6f5c8f83 681 u32 regbase, bit;
f92d9dc1 682
4153577a 683 if (tg3_asic_rev(tp) == ASIC_REV_5761)
f92d9dc1
MC		 684 regbase = TG3_APE_LOCK_GRANT;
685 else
686 regbase = TG3_APE_PER_LOCK_GRANT;
0d3031d9
MC		 687
688 /* Make sure the driver hasn't any stale locks. */
78f94dc7
MC		 689 for (i = TG3_APE_LOCK_PHY0; i <= TG3_APE_LOCK_GPIO; i++) {
690 switch (i) {
691 case TG3_APE_LOCK_PHY0:
692 case TG3_APE_LOCK_PHY1:
693 case TG3_APE_LOCK_PHY2:
694 case TG3_APE_LOCK_PHY3:
695 bit = APE_LOCK_GRANT_DRIVER;
696 break;
697 default:
698 if (!tp->pci_fn)
699 bit = APE_LOCK_GRANT_DRIVER;
700 else
701 bit = 1 << tp->pci_fn;
702 }
703 tg3_ape_write32(tp, regbase + 4 * i, bit);
6f5c8f83
MC		 704 }
705
0d3031d9
MC		 706}
707
708static int tg3_ape_lock(struct tg3 *tp, int locknum)
709{
710 int i, off;
711 int ret = 0;
6f5c8f83 712 u32 status, req, gnt, bit;
0d3031d9 713
63c3a66f 714 if (!tg3_flag(tp, ENABLE_APE))
0d3031d9
MC		 715 return 0;
716
717 switch (locknum) {
6f5c8f83 718 case TG3_APE_LOCK_GPIO:
4153577a 719 if (tg3_asic_rev(tp) == ASIC_REV_5761)
6f5c8f83 720 return 0;
df561f66 721 fallthrough;
33f401ae
MC		 722 case TG3_APE_LOCK_GRC:
723 case TG3_APE_LOCK_MEM:
78f94dc7
MC		 724 if (!tp->pci_fn)
725 bit = APE_LOCK_REQ_DRIVER;
726 else
727 bit = 1 << tp->pci_fn;
33f401ae 728 break;
8151ad57
MC		 729 case TG3_APE_LOCK_PHY0:
730 case TG3_APE_LOCK_PHY1:
731 case TG3_APE_LOCK_PHY2:
732 case TG3_APE_LOCK_PHY3:
733 bit = APE_LOCK_REQ_DRIVER;
734 break;
33f401ae
MC		 735 default:
736 return -EINVAL;
0d3031d9
MC		 737 }
738
4153577a 739 if (tg3_asic_rev(tp) == ASIC_REV_5761) {
f92d9dc1
MC		 740 req = TG3_APE_LOCK_REQ;
741 gnt = TG3_APE_LOCK_GRANT;
742 } else {
743 req = TG3_APE_PER_LOCK_REQ;
744 gnt = TG3_APE_PER_LOCK_GRANT;
745 }
746
0d3031d9
MC		 747 off = 4 * locknum;
748
6f5c8f83 749 tg3_ape_write32(tp, req + off, bit);
0d3031d9
MC		 750
751 /* Wait for up to 1 millisecond to acquire lock. */
752 for (i = 0; i < 100; i++) {
f92d9dc1 753 status = tg3_ape_read32(tp, gnt + off);
6f5c8f83 754 if (status == bit)
0d3031d9 755 break;
6d446ec3
GS		 756 if (pci_channel_offline(tp->pdev))
757 break;
758
0d3031d9
MC		 759 udelay(10);
760 }
761
6f5c8f83 762 if (status != bit) {
0d3031d9 763 /* Revoke the lock request. */
6f5c8f83 764 tg3_ape_write32(tp, gnt + off, bit);
0d3031d9
MC		 765 ret = -EBUSY;
766 }
767
768 return ret;
769}
770
771static void tg3_ape_unlock(struct tg3 *tp, int locknum)
772{
6f5c8f83 773 u32 gnt, bit;
0d3031d9 774
63c3a66f 775 if (!tg3_flag(tp, ENABLE_APE))
0d3031d9
MC		 776 return;
777
778 switch (locknum) {
6f5c8f83 779 case TG3_APE_LOCK_GPIO:
4153577a 780 if (tg3_asic_rev(tp) == ASIC_REV_5761)
6f5c8f83 781 return;
df561f66 782 fallthrough;
33f401ae
MC		 783 case TG3_APE_LOCK_GRC:
784 case TG3_APE_LOCK_MEM:
78f94dc7
MC		 785 if (!tp->pci_fn)
786 bit = APE_LOCK_GRANT_DRIVER;
787 else
788 bit = 1 << tp->pci_fn;
33f401ae 789 break;
8151ad57
MC		 790 case TG3_APE_LOCK_PHY0:
791 case TG3_APE_LOCK_PHY1:
792 case TG3_APE_LOCK_PHY2:
793 case TG3_APE_LOCK_PHY3:
794 bit = APE_LOCK_GRANT_DRIVER;
795 break;
33f401ae
MC		 796 default:
797 return;
0d3031d9
MC		 798 }
799
4153577a 800 if (tg3_asic_rev(tp) == ASIC_REV_5761)
f92d9dc1
MC		 801 gnt = TG3_APE_LOCK_GRANT;
802 else
803 gnt = TG3_APE_PER_LOCK_GRANT;
804
6f5c8f83 805 tg3_ape_write32(tp, gnt + 4 * locknum, bit);
0d3031d9
MC		 806}
807
b65a372b 808static int tg3_ape_event_lock(struct tg3 *tp, u32 timeout_us)
fd6d3f0e 809{
fd6d3f0e
MC		 810 u32 apedata;
811
b65a372b
MC		 812 while (timeout_us) {
813 if (tg3_ape_lock(tp, TG3_APE_LOCK_MEM))
814 return -EBUSY;
815
816 apedata = tg3_ape_read32(tp, TG3_APE_EVENT_STATUS);
817 if (!(apedata & APE_EVENT_STATUS_EVENT_PENDING))
818 break;
819
820 tg3_ape_unlock(tp, TG3_APE_LOCK_MEM);
821
ea91df6d 822 udelay(10);
b65a372b
MC		 823 timeout_us -= (timeout_us > 10) ? 10 : timeout_us;
824 }
825
826 return timeout_us ? 0 : -EBUSY;
827}
828
038e893d 829#ifdef CONFIG_TIGON3_HWMON
cf8d55ae
MC		 830static int tg3_ape_wait_for_event(struct tg3 *tp, u32 timeout_us)
831{
832 u32 i, apedata;
833
834 for (i = 0; i < timeout_us / 10; i++) {
835 apedata = tg3_ape_read32(tp, TG3_APE_EVENT_STATUS);
836
837 if (!(apedata & APE_EVENT_STATUS_EVENT_PENDING))
838 break;
839
840 udelay(10);
841 }
842
843 return i == timeout_us / 10;
844}
845
86449944
MC		 846static int tg3_ape_scratchpad_read(struct tg3 *tp, u32 *data, u32 base_off,
847 u32 len)
cf8d55ae
MC		 848{
849 int err;
850 u32 i, bufoff, msgoff, maxlen, apedata;
851
852 if (!tg3_flag(tp, APE_HAS_NCSI))
853 return 0;
854
855 apedata = tg3_ape_read32(tp, TG3_APE_SEG_SIG);
856 if (apedata != APE_SEG_SIG_MAGIC)
857 return -ENODEV;
858
859 apedata = tg3_ape_read32(tp, TG3_APE_FW_STATUS);
860 if (!(apedata & APE_FW_STATUS_READY))
861 return -EAGAIN;
862
863 bufoff = tg3_ape_read32(tp, TG3_APE_SEG_MSG_BUF_OFF) +
864 TG3_APE_SHMEM_BASE;
865 msgoff = bufoff + 2 * sizeof(u32);
866 maxlen = tg3_ape_read32(tp, TG3_APE_SEG_MSG_BUF_LEN);
867
868 while (len) {
869 u32 length;
870
871 /* Cap xfer sizes to scratchpad limits. */
872 length = (len > maxlen) ? maxlen : len;
873 len -= length;
874
875 apedata = tg3_ape_read32(tp, TG3_APE_FW_STATUS);
876 if (!(apedata & APE_FW_STATUS_READY))
877 return -EAGAIN;
878
879 /* Wait for up to 1 msec for APE to service previous event. */
880 err = tg3_ape_event_lock(tp, 1000);
881 if (err)
882 return err;
883
884 apedata = APE_EVENT_STATUS_DRIVER_EVNT |
885 APE_EVENT_STATUS_SCRTCHPD_READ |
886 APE_EVENT_STATUS_EVENT_PENDING;
887 tg3_ape_write32(tp, TG3_APE_EVENT_STATUS, apedata);
888
889 tg3_ape_write32(tp, bufoff, base_off);
890 tg3_ape_write32(tp, bufoff + sizeof(u32), length);
891
892 tg3_ape_unlock(tp, TG3_APE_LOCK_MEM);
893 tg3_ape_write32(tp, TG3_APE_EVENT, APE_EVENT_1);
894
895 base_off += length;
896
897 if (tg3_ape_wait_for_event(tp, 30000))
898 return -EAGAIN;
899
900 for (i = 0; length; i += 4, length -= 4) {
901 u32 val = tg3_ape_read32(tp, msgoff + i);
902 memcpy(data, &val, sizeof(u32));
903 data++;
904 }
905 }
906
907 return 0;
908}
038e893d 909#endif
cf8d55ae 910
b65a372b
MC		 911static int tg3_ape_send_event(struct tg3 *tp, u32 event)
912{
913 int err;
914 u32 apedata;
fd6d3f0e
MC		 915
916 apedata = tg3_ape_read32(tp, TG3_APE_SEG_SIG);
917 if (apedata != APE_SEG_SIG_MAGIC)
b65a372b 918 return -EAGAIN;
fd6d3f0e
MC		 919
920 apedata = tg3_ape_read32(tp, TG3_APE_FW_STATUS);
921 if (!(apedata & APE_FW_STATUS_READY))
b65a372b 922 return -EAGAIN;
fd6d3f0e 923
506b0a39
PS		 924 /* Wait for up to 20 millisecond for APE to service previous event. */
925 err = tg3_ape_event_lock(tp, 20000);
b65a372b
MC		 926 if (err)
927 return err;
fd6d3f0e 928
b65a372b
MC		 929 tg3_ape_write32(tp, TG3_APE_EVENT_STATUS,
930 event | APE_EVENT_STATUS_EVENT_PENDING);
fd6d3f0e 931
b65a372b
MC		 932 tg3_ape_unlock(tp, TG3_APE_LOCK_MEM);
933 tg3_ape_write32(tp, TG3_APE_EVENT, APE_EVENT_1);
fd6d3f0e 934
b65a372b 935 return 0;
fd6d3f0e
MC		 936}
937
938static void tg3_ape_driver_state_change(struct tg3 *tp, int kind)
939{
940 u32 event;
941 u32 apedata;
942
943 if (!tg3_flag(tp, ENABLE_APE))
944 return;
945
946 switch (kind) {
947 case RESET_KIND_INIT:
506b0a39 948 tg3_ape_write32(tp, TG3_APE_HOST_HEARTBEAT_COUNT, tp->ape_hb++);
fd6d3f0e
MC		 949 tg3_ape_write32(tp, TG3_APE_HOST_SEG_SIG,
950 APE_HOST_SEG_SIG_MAGIC);
951 tg3_ape_write32(tp, TG3_APE_HOST_SEG_LEN,
952 APE_HOST_SEG_LEN_MAGIC);
953 apedata = tg3_ape_read32(tp, TG3_APE_HOST_INIT_COUNT);
954 tg3_ape_write32(tp, TG3_APE_HOST_INIT_COUNT, ++apedata);
955 tg3_ape_write32(tp, TG3_APE_HOST_DRIVER_ID,
956 APE_HOST_DRIVER_ID_MAGIC(TG3_MAJ_NUM, TG3_MIN_NUM));
957 tg3_ape_write32(tp, TG3_APE_HOST_BEHAVIOR,
958 APE_HOST_BEHAV_NO_PHYLOCK);
959 tg3_ape_write32(tp, TG3_APE_HOST_DRVR_STATE,
960 TG3_APE_HOST_DRVR_STATE_START);
961
962 event = APE_EVENT_STATUS_STATE_START;
963 break;
964 case RESET_KIND_SHUTDOWN:
fd6d3f0e
MC		 965 if (device_may_wakeup(&tp->pdev->dev) &&
966 tg3_flag(tp, WOL_ENABLE)) {
967 tg3_ape_write32(tp, TG3_APE_HOST_WOL_SPEED,
968 TG3_APE_HOST_WOL_SPEED_AUTO);
969 apedata = TG3_APE_HOST_DRVR_STATE_WOL;
970 } else
971 apedata = TG3_APE_HOST_DRVR_STATE_UNLOAD;
972
973 tg3_ape_write32(tp, TG3_APE_HOST_DRVR_STATE, apedata);
974
975 event = APE_EVENT_STATUS_STATE_UNLOAD;
976 break;
fd6d3f0e
MC		 977 default:
978 return;
979 }
980
981 event |= APE_EVENT_STATUS_DRIVER_EVNT | APE_EVENT_STATUS_STATE_CHNGE;
982
983 tg3_ape_send_event(tp, event);
984}
985
506b0a39
PS		 986static void tg3_send_ape_heartbeat(struct tg3 *tp,
987 unsigned long interval)
988{
989 /* Check if hb interval has exceeded */
990 if (!tg3_flag(tp, ENABLE_APE) ||
991 time_before(jiffies, tp->ape_hb_jiffies + interval))
992 return;
993
994 tg3_ape_write32(tp, TG3_APE_HOST_HEARTBEAT_COUNT, tp->ape_hb++);
995 tp->ape_hb_jiffies = jiffies;
996}
997
1da177e4
LT		 998static void tg3_disable_ints(struct tg3 *tp)
999{
89aeb3bc
MC		 1000 int i;
1001
1da177e4
LT		 1002 tw32(TG3PCI_MISC_HOST_CTRL,
1003 (tp->misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT));
89aeb3bc
MC		 1004 for (i = 0; i < tp->irq_max; i++)
1005 tw32_mailbox_f(tp->napi[i].int_mbox, 0x00000001);
1da177e4
LT		 1006}
1007
1da177e4
LT		 1008static void tg3_enable_ints(struct tg3 *tp)
1009{
89aeb3bc 1010 int i;
89aeb3bc 1011
bbe832c0
MC		 1012 tp->irq_sync = 0;
1013 wmb();
1014
1da177e4
LT		 1015 tw32(TG3PCI_MISC_HOST_CTRL,
1016 (tp->misc_host_ctrl & ~MISC_HOST_CTRL_MASK_PCI_INT));
89aeb3bc 1017
f89f38b8 1018 tp->coal_now = tp->coalesce_mode | HOSTCC_MODE_ENABLE;
89aeb3bc
MC		 1019 for (i = 0; i < tp->irq_cnt; i++) {
1020 struct tg3_napi *tnapi = &tp->napi[i];
c6cdf436 1021
898a56f8 1022 tw32_mailbox_f(tnapi->int_mbox, tnapi->last_tag << 24);
63c3a66f 1023 if (tg3_flag(tp, 1SHOT_MSI))
89aeb3bc 1024 tw32_mailbox_f(tnapi->int_mbox, tnapi->last_tag << 24);
f19af9c2 1025
f89f38b8 1026 tp->coal_now |= tnapi->coal_now;
89aeb3bc 1027 }
f19af9c2
MC		 1028
1029 /* Force an initial interrupt */
63c3a66f 1030 if (!tg3_flag(tp, TAGGED_STATUS) &&
f19af9c2
MC		 1031 (tp->napi[0].hw_status->status & SD_STATUS_UPDATED))
1032 tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
1033 else
f89f38b8
MC		 1034 tw32(HOSTCC_MODE, tp->coal_now);
1035
1036 tp->coal_now &= ~(tp->napi[0].coal_now | tp->napi[1].coal_now);
1da177e4
LT		 1037}
1038
17375d25 1039static inline unsigned int tg3_has_work(struct tg3_napi *tnapi)
04237ddd 1040{
17375d25 1041 struct tg3 *tp = tnapi->tp;
898a56f8 1042 struct tg3_hw_status *sblk = tnapi->hw_status;
04237ddd
MC		 1043 unsigned int work_exists = 0;
1044
1045 /* check for phy events */
63c3a66f 1046 if (!(tg3_flag(tp, USE_LINKCHG_REG) || tg3_flag(tp, POLL_SERDES))) {
04237ddd
MC		 1047 if (sblk->status & SD_STATUS_LINK_CHG)
1048 work_exists = 1;
1049 }
f891ea16
MC		 1050
1051 /* check for TX work to do */
1052 if (sblk->idx[0].tx_consumer != tnapi->tx_cons)
1053 work_exists = 1;
1054
1055 /* check for RX work to do */
1056 if (tnapi->rx_rcb_prod_idx &&
8d9d7cfc 1057 *(tnapi->rx_rcb_prod_idx) != tnapi->rx_rcb_ptr)
04237ddd
MC		 1058 work_exists = 1;
1059
1060 return work_exists;
1061}
1062
17375d25 1063/* tg3_int_reenable
04237ddd
MC		 1064 * similar to tg3_enable_ints, but it accurately determines whether there
1065 * is new work pending and can return without flushing the PIO write
6aa20a22 1066 * which reenables interrupts
1da177e4 1067 */
17375d25 1068static void tg3_int_reenable(struct tg3_napi *tnapi)
1da177e4 1069{
17375d25
MC		 1070 struct tg3 *tp = tnapi->tp;
1071
898a56f8 1072 tw32_mailbox(tnapi->int_mbox, tnapi->last_tag << 24);
1da177e4 1073
fac9b83e
DM		 1074 /* When doing tagged status, this work check is unnecessary.
1075 * The last_tag we write above tells the chip which piece of
1076 * work we've completed.
1077 */
63c3a66f 1078 if (!tg3_flag(tp, TAGGED_STATUS) && tg3_has_work(tnapi))
04237ddd 1079 tw32(HOSTCC_MODE, tp->coalesce_mode |
fd2ce37f 1080 HOSTCC_MODE_ENABLE | tnapi->coal_now);
1da177e4
LT		 1081}
1082
1da177e4
LT		 1083static void tg3_switch_clocks(struct tg3 *tp)
1084{
f6eb9b1f 1085 u32 clock_ctrl;
1da177e4
LT		 1086 u32 orig_clock_ctrl;
1087
63c3a66f 1088 if (tg3_flag(tp, CPMU_PRESENT) || tg3_flag(tp, 5780_CLASS))
4cf78e4f
MC		 1089 return;
1090
f6eb9b1f
MC		 1091 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL);
1092
1da177e4
LT		 1093 orig_clock_ctrl = clock_ctrl;
1094 clock_ctrl &= (CLOCK_CTRL_FORCE_CLKRUN |
1095 CLOCK_CTRL_CLKRUN_OENABLE |
1096 0x1f);
1097 tp->pci_clock_ctrl = clock_ctrl;
1098
63c3a66f 1099 if (tg3_flag(tp, 5705_PLUS)) {
1da177e4 1100 if (orig_clock_ctrl & CLOCK_CTRL_625_CORE) {
b401e9e2
MC		 1101 tw32_wait_f(TG3PCI_CLOCK_CTRL,
1102 clock_ctrl | CLOCK_CTRL_625_CORE, 40);
1da177e4
LT		 1103 }
1104 } else if ((orig_clock_ctrl & CLOCK_CTRL_44MHZ_CORE) != 0) {
b401e9e2
MC		 1105 tw32_wait_f(TG3PCI_CLOCK_CTRL,
1106 clock_ctrl |
1107 (CLOCK_CTRL_44MHZ_CORE | CLOCK_CTRL_ALTCLK),
1108 40);
1109 tw32_wait_f(TG3PCI_CLOCK_CTRL,
1110 clock_ctrl | (CLOCK_CTRL_ALTCLK),
1111 40);
1da177e4 1112 }
b401e9e2 1113 tw32_wait_f(TG3PCI_CLOCK_CTRL, clock_ctrl, 40);
1da177e4
LT		 1114}
1115
1116#define PHY_BUSY_LOOPS 5000
1117
5c358045
HM		 1118static int __tg3_readphy(struct tg3 *tp, unsigned int phy_addr, int reg,
1119 u32 *val)
1da177e4
LT		 1120{
1121 u32 frame_val;
1122 unsigned int loops;
1123 int ret;
1124
1125 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
1126 tw32_f(MAC_MI_MODE,
1127 (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
1128 udelay(80);
1129 }
1130
8151ad57
MC		 1131 tg3_ape_lock(tp, tp->phy_ape_lock);
1132
1da177e4
LT		 1133 *val = 0x0;
1134
5c358045 1135 frame_val = ((phy_addr << MI_COM_PHY_ADDR_SHIFT) &
1da177e4
LT		 1136 MI_COM_PHY_ADDR_MASK);
1137 frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
1138 MI_COM_REG_ADDR_MASK);
1139 frame_val |= (MI_COM_CMD_READ | MI_COM_START);
6aa20a22 1140
1da177e4
LT		 1141 tw32_f(MAC_MI_COM, frame_val);
1142
1143 loops = PHY_BUSY_LOOPS;
1144 while (loops != 0) {
1145 udelay(10);
1146 frame_val = tr32(MAC_MI_COM);
1147
1148 if ((frame_val & MI_COM_BUSY) == 0) {
1149 udelay(5);
1150 frame_val = tr32(MAC_MI_COM);
1151 break;
1152 }
1153 loops -= 1;
1154 }
1155
1156 ret = -EBUSY;
1157 if (loops != 0) {
1158 *val = frame_val & MI_COM_DATA_MASK;
1159 ret = 0;
1160 }
1161
1162 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
1163 tw32_f(MAC_MI_MODE, tp->mi_mode);
1164 udelay(80);
1165 }
1166
8151ad57
MC		 1167 tg3_ape_unlock(tp, tp->phy_ape_lock);
1168
1da177e4
LT		 1169 return ret;
1170}
1171
5c358045
HM		 1172static int tg3_readphy(struct tg3 *tp, int reg, u32 *val)
1173{
1174 return __tg3_readphy(tp, tp->phy_addr, reg, val);
1175}
1176
1177static int __tg3_writephy(struct tg3 *tp, unsigned int phy_addr, int reg,
1178 u32 val)
1da177e4
LT		 1179{
1180 u32 frame_val;
1181 unsigned int loops;
1182 int ret;
1183
f07e9af3 1184 if ((tp->phy_flags & TG3_PHYFLG_IS_FET) &&
221c5637 1185 (reg == MII_CTRL1000 || reg == MII_TG3_AUX_CTRL))
b5d3772c
MC		 1186 return 0;
1187
1da177e4
LT		 1188 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
1189 tw32_f(MAC_MI_MODE,
1190 (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
1191 udelay(80);
1192 }
1193
8151ad57
MC		 1194 tg3_ape_lock(tp, tp->phy_ape_lock);
1195
5c358045 1196 frame_val = ((phy_addr << MI_COM_PHY_ADDR_SHIFT) &
1da177e4
LT		 1197 MI_COM_PHY_ADDR_MASK);
1198 frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
1199 MI_COM_REG_ADDR_MASK);
1200 frame_val |= (val & MI_COM_DATA_MASK);
1201 frame_val |= (MI_COM_CMD_WRITE | MI_COM_START);
6aa20a22 1202
1da177e4
LT		 1203 tw32_f(MAC_MI_COM, frame_val);
1204
1205 loops = PHY_BUSY_LOOPS;
1206 while (loops != 0) {
1207 udelay(10);
1208 frame_val = tr32(MAC_MI_COM);
1209 if ((frame_val & MI_COM_BUSY) == 0) {
1210 udelay(5);
1211 frame_val = tr32(MAC_MI_COM);
1212 break;
1213 }
1214 loops -= 1;
1215 }
1216
1217 ret = -EBUSY;
1218 if (loops != 0)
1219 ret = 0;
1220
1221 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
1222 tw32_f(MAC_MI_MODE, tp->mi_mode);
1223 udelay(80);
1224 }
1225
8151ad57
MC		 1226 tg3_ape_unlock(tp, tp->phy_ape_lock);
1227
1da177e4
LT		 1228 return ret;
1229}
1230
5c358045
HM		 1231static int tg3_writephy(struct tg3 *tp, int reg, u32 val)
1232{
1233 return __tg3_writephy(tp, tp->phy_addr, reg, val);
1234}
1235
b0988c15
MC		 1236static int tg3_phy_cl45_write(struct tg3 *tp, u32 devad, u32 addr, u32 val)
1237{
1238 int err;
1239
1240 err = tg3_writephy(tp, MII_TG3_MMD_CTRL, devad);
1241 if (err)
1242 goto done;
1243
1244 err = tg3_writephy(tp, MII_TG3_MMD_ADDRESS, addr);
1245 if (err)
1246 goto done;
1247
1248 err = tg3_writephy(tp, MII_TG3_MMD_CTRL,
1249 MII_TG3_MMD_CTRL_DATA_NOINC | devad);
1250 if (err)
1251 goto done;
1252
1253 err = tg3_writephy(tp, MII_TG3_MMD_ADDRESS, val);
1254
1255done:
1256 return err;
1257}
1258
1259static int tg3_phy_cl45_read(struct tg3 *tp, u32 devad, u32 addr, u32 *val)
1260{
1261 int err;
1262
1263 err = tg3_writephy(tp, MII_TG3_MMD_CTRL, devad);
1264 if (err)
1265 goto done;
1266
1267 err = tg3_writephy(tp, MII_TG3_MMD_ADDRESS, addr);
1268 if (err)
1269 goto done;
1270
1271 err = tg3_writephy(tp, MII_TG3_MMD_CTRL,
1272 MII_TG3_MMD_CTRL_DATA_NOINC | devad);
1273 if (err)
1274 goto done;
1275
1276 err = tg3_readphy(tp, MII_TG3_MMD_ADDRESS, val);
1277
1278done:
1279 return err;
1280}
1281
1282static int tg3_phydsp_read(struct tg3 *tp, u32 reg, u32 *val)
1283{
1284 int err;
1285
1286 err = tg3_writephy(tp, MII_TG3_DSP_ADDRESS, reg);
1287 if (!err)
1288 err = tg3_readphy(tp, MII_TG3_DSP_RW_PORT, val);
1289
1290 return err;
1291}
1292
1293static int tg3_phydsp_write(struct tg3 *tp, u32 reg, u32 val)
1294{
1295 int err;
1296
1297 err = tg3_writephy(tp, MII_TG3_DSP_ADDRESS, reg);
1298 if (!err)
1299 err = tg3_writephy(tp, MII_TG3_DSP_RW_PORT, val);
1300
1301 return err;
1302}
1303
15ee95c3
MC		 1304static int tg3_phy_auxctl_read(struct tg3 *tp, int reg, u32 *val)
1305{
1306 int err;
1307
1308 err = tg3_writephy(tp, MII_TG3_AUX_CTRL,
1309 (reg << MII_TG3_AUXCTL_MISC_RDSEL_SHIFT) |
1310 MII_TG3_AUXCTL_SHDWSEL_MISC);
1311 if (!err)
1312 err = tg3_readphy(tp, MII_TG3_AUX_CTRL, val);
1313
1314 return err;
1315}
1316
b4bd2929
MC		 1317static int tg3_phy_auxctl_write(struct tg3 *tp, int reg, u32 set)
1318{
1319 if (reg == MII_TG3_AUXCTL_SHDWSEL_MISC)
1320 set |= MII_TG3_AUXCTL_MISC_WREN;
1321
1322 return tg3_writephy(tp, MII_TG3_AUX_CTRL, set | reg);
1323}
1324
daf3ec68
NNS		 1325static int tg3_phy_toggle_auxctl_smdsp(struct tg3 *tp, bool enable)
1326{
1327 u32 val;
1328 int err;
1d36ba45 1329
daf3ec68 1330 err = tg3_phy_auxctl_read(tp, MII_TG3_AUXCTL_SHDWSEL_AUXCTL, &val);
1d36ba45 1331
daf3ec68
NNS		 1332 if (err)
1333 return err;
daf3ec68 1334
7c10ee32 1335 if (enable)
daf3ec68
NNS		 1336 val |= MII_TG3_AUXCTL_ACTL_SMDSP_ENA;
1337 else
1338 val &= ~MII_TG3_AUXCTL_ACTL_SMDSP_ENA;
1339
1340 err = tg3_phy_auxctl_write((tp), MII_TG3_AUXCTL_SHDWSEL_AUXCTL,
1341 val | MII_TG3_AUXCTL_ACTL_TX_6DB);
1342
1343 return err;
1344}
1d36ba45 1345
3ab71071
NS		 1346static int tg3_phy_shdw_write(struct tg3 *tp, int reg, u32 val)
1347{
1348 return tg3_writephy(tp, MII_TG3_MISC_SHDW,
1349 reg | val | MII_TG3_MISC_SHDW_WREN);
1350}
1351
95e2869a
MC		 1352static int tg3_bmcr_reset(struct tg3 *tp)
1353{
1354 u32 phy_control;
1355 int limit, err;
1356
1357 /* OK, reset it, and poll the BMCR_RESET bit until it
1358 * clears or we time out.
1359 */
1360 phy_control = BMCR_RESET;
1361 err = tg3_writephy(tp, MII_BMCR, phy_control);
1362 if (err != 0)
1363 return -EBUSY;
1364
1365 limit = 5000;
1366 while (limit--) {
1367 err = tg3_readphy(tp, MII_BMCR, &phy_control);
1368 if (err != 0)
1369 return -EBUSY;
1370
1371 if ((phy_control & BMCR_RESET) == 0) {
1372 udelay(40);
1373 break;
1374 }
1375 udelay(10);
1376 }
d4675b52 1377 if (limit < 0)
95e2869a
MC		 1378 return -EBUSY;
1379
1380 return 0;
1381}
1382
158d7abd
MC		 1383static int tg3_mdio_read(struct mii_bus *bp, int mii_id, int reg)
1384{
3d16543d 1385 struct tg3 *tp = bp->priv;
158d7abd
MC		 1386 u32 val;
1387
24bb4fb6 1388 spin_lock_bh(&tp->lock);
158d7abd 1389
ead2402c 1390 if (__tg3_readphy(tp, mii_id, reg, &val))
24bb4fb6
MC		 1391 val = -EIO;
1392
1393 spin_unlock_bh(&tp->lock);
158d7abd
MC		 1394
1395 return val;
1396}
1397
1398static int tg3_mdio_write(struct mii_bus *bp, int mii_id, int reg, u16 val)
1399{
3d16543d 1400 struct tg3 *tp = bp->priv;
24bb4fb6 1401 u32 ret = 0;
158d7abd 1402
24bb4fb6 1403 spin_lock_bh(&tp->lock);
158d7abd 1404
ead2402c 1405 if (__tg3_writephy(tp, mii_id, reg, val))
24bb4fb6 1406 ret = -EIO;
158d7abd 1407
24bb4fb6
MC		 1408 spin_unlock_bh(&tp->lock);
1409
1410 return ret;
158d7abd
MC		 1411}
1412
9c61d6bc 1413static void tg3_mdio_config_5785(struct tg3 *tp)
a9daf367
MC		 1414{
1415 u32 val;
fcb389df 1416 struct phy_device *phydev;
a9daf367 1417
7f854420 1418 phydev = mdiobus_get_phy(tp->mdio_bus, tp->phy_addr);
fcb389df 1419 switch (phydev->drv->phy_id & phydev->drv->phy_id_mask) {
6a443a0f
MC		 1420 case PHY_ID_BCM50610:
1421 case PHY_ID_BCM50610M:
fcb389df
MC		 1422 val = MAC_PHYCFG2_50610_LED_MODES;
1423 break;
6a443a0f 1424 case PHY_ID_BCMAC131:
fcb389df
MC		 1425 val = MAC_PHYCFG2_AC131_LED_MODES;
1426 break;
6a443a0f 1427 case PHY_ID_RTL8211C:
fcb389df
MC		 1428 val = MAC_PHYCFG2_RTL8211C_LED_MODES;
1429 break;
6a443a0f 1430 case PHY_ID_RTL8201E:
fcb389df
MC		 1431 val = MAC_PHYCFG2_RTL8201E_LED_MODES;
1432 break;
1433 default:
a9daf367 1434 return;
fcb389df
MC		 1435 }
1436
1437 if (phydev->interface != PHY_INTERFACE_MODE_RGMII) {
1438 tw32(MAC_PHYCFG2, val);
1439
1440 val = tr32(MAC_PHYCFG1);
bb85fbb6
MC		 1441 val &= ~(MAC_PHYCFG1_RGMII_INT |
1442 MAC_PHYCFG1_RXCLK_TO_MASK | MAC_PHYCFG1_TXCLK_TO_MASK);
1443 val |= MAC_PHYCFG1_RXCLK_TIMEOUT | MAC_PHYCFG1_TXCLK_TIMEOUT;
fcb389df
MC		 1444 tw32(MAC_PHYCFG1, val);
1445
1446 return;
1447 }
1448
63c3a66f 1449 if (!tg3_flag(tp, RGMII_INBAND_DISABLE))
fcb389df
MC		 1450 val |= MAC_PHYCFG2_EMODE_MASK_MASK |
1451 MAC_PHYCFG2_FMODE_MASK_MASK |
1452 MAC_PHYCFG2_GMODE_MASK_MASK |
1453 MAC_PHYCFG2_ACT_MASK_MASK |
1454 MAC_PHYCFG2_QUAL_MASK_MASK |
1455 MAC_PHYCFG2_INBAND_ENABLE;
1456
1457 tw32(MAC_PHYCFG2, val);
a9daf367 1458
bb85fbb6
MC		 1459 val = tr32(MAC_PHYCFG1);
1460 val &= ~(MAC_PHYCFG1_RXCLK_TO_MASK | MAC_PHYCFG1_TXCLK_TO_MASK |
1461 MAC_PHYCFG1_RGMII_EXT_RX_DEC | MAC_PHYCFG1_RGMII_SND_STAT_EN);
63c3a66f
JP		 1462 if (!tg3_flag(tp, RGMII_INBAND_DISABLE)) {
1463 if (tg3_flag(tp, RGMII_EXT_IBND_RX_EN))
a9daf367 1464 val |= MAC_PHYCFG1_RGMII_EXT_RX_DEC;
63c3a66f 1465 if (tg3_flag(tp, RGMII_EXT_IBND_TX_EN))
a9daf367
MC		 1466 val |= MAC_PHYCFG1_RGMII_SND_STAT_EN;
1467 }
bb85fbb6
MC		 1468 val |= MAC_PHYCFG1_RXCLK_TIMEOUT | MAC_PHYCFG1_TXCLK_TIMEOUT |
1469 MAC_PHYCFG1_RGMII_INT | MAC_PHYCFG1_TXC_DRV;
1470 tw32(MAC_PHYCFG1, val);
a9daf367 1471
a9daf367
MC		 1472 val = tr32(MAC_EXT_RGMII_MODE);
1473 val &= ~(MAC_RGMII_MODE_RX_INT_B |
1474 MAC_RGMII_MODE_RX_QUALITY |
1475 MAC_RGMII_MODE_RX_ACTIVITY |
1476 MAC_RGMII_MODE_RX_ENG_DET |
1477 MAC_RGMII_MODE_TX_ENABLE |
1478 MAC_RGMII_MODE_TX_LOWPWR |
1479 MAC_RGMII_MODE_TX_RESET);
63c3a66f
JP		 1480 if (!tg3_flag(tp, RGMII_INBAND_DISABLE)) {
1481 if (tg3_flag(tp, RGMII_EXT_IBND_RX_EN))
a9daf367
MC		 1482 val |= MAC_RGMII_MODE_RX_INT_B |
1483 MAC_RGMII_MODE_RX_QUALITY |
1484 MAC_RGMII_MODE_RX_ACTIVITY |
1485 MAC_RGMII_MODE_RX_ENG_DET;
63c3a66f 1486 if (tg3_flag(tp, RGMII_EXT_IBND_TX_EN))
a9daf367
MC		 1487 val |= MAC_RGMII_MODE_TX_ENABLE |
1488 MAC_RGMII_MODE_TX_LOWPWR |
1489 MAC_RGMII_MODE_TX_RESET;
1490 }
1491 tw32(MAC_EXT_RGMII_MODE, val);
1492}
1493
158d7abd
MC		 1494static void tg3_mdio_start(struct tg3 *tp)
1495{
158d7abd
MC		 1496 tp->mi_mode &= ~MAC_MI_MODE_AUTO_POLL;
1497 tw32_f(MAC_MI_MODE, tp->mi_mode);
1498 udelay(80);
a9daf367 1499
63c3a66f 1500 if (tg3_flag(tp, MDIOBUS_INITED) &&
4153577a 1501 tg3_asic_rev(tp) == ASIC_REV_5785)
9ea4818d
MC		 1502 tg3_mdio_config_5785(tp);
1503}
1504
1505static int tg3_mdio_init(struct tg3 *tp)
1506{
1507 int i;
1508 u32 reg;
1509 struct phy_device *phydev;
1510
63c3a66f 1511 if (tg3_flag(tp, 5717_PLUS)) {
9c7df915 1512 u32 is_serdes;
882e9793 1513
69f11c99 1514 tp->phy_addr = tp->pci_fn + 1;
882e9793 1515
4153577a 1516 if (tg3_chip_rev_id(tp) != CHIPREV_ID_5717_A0)
d1ec96af
MC		 1517 is_serdes = tr32(SG_DIG_STATUS) & SG_DIG_IS_SERDES;
1518 else
1519 is_serdes = tr32(TG3_CPMU_PHY_STRAP) &
1520 TG3_CPMU_PHY_STRAP_IS_SERDES;
882e9793
MC		 1521 if (is_serdes)
1522 tp->phy_addr += 7;
ee002b64
HM		 1523 } else if (tg3_flag(tp, IS_SSB_CORE) && tg3_flag(tp, ROBOSWITCH)) {
1524 int addr;
1525
1526 addr = ssb_gige_get_phyaddr(tp->pdev);
1527 if (addr < 0)
1528 return addr;
1529 tp->phy_addr = addr;
882e9793 1530 } else
3f0e3ad7 1531 tp->phy_addr = TG3_PHY_MII_ADDR;
882e9793 1532
158d7abd
MC		 1533 tg3_mdio_start(tp);
1534
63c3a66f 1535 if (!tg3_flag(tp, USE_PHYLIB) || tg3_flag(tp, MDIOBUS_INITED))
158d7abd
MC		 1536 return 0;
1537
298cf9be
LB		 1538 tp->mdio_bus = mdiobus_alloc();
1539 if (tp->mdio_bus == NULL)
1540 return -ENOMEM;
158d7abd 1541
298cf9be 1542 tp->mdio_bus->name = "tg3 mdio bus";
6ecb2ced 1543 snprintf(tp->mdio_bus->id, MII_BUS_ID_SIZE, "%x", pci_dev_id(tp->pdev));
298cf9be
LB		 1544 tp->mdio_bus->priv = tp;
1545 tp->mdio_bus->parent = &tp->pdev->dev;
1546 tp->mdio_bus->read = &tg3_mdio_read;
1547 tp->mdio_bus->write = &tg3_mdio_write;
ead2402c 1548 tp->mdio_bus->phy_mask = ~(1 << tp->phy_addr);
158d7abd
MC		 1549
1550 /* The bus registration will look for all the PHYs on the mdio bus.
1551 * Unfortunately, it does not ensure the PHY is powered up before
1552 * accessing the PHY ID registers. A chip reset is the
1553 * quickest way to bring the device back to an operational state..
1554 */
1555 if (tg3_readphy(tp, MII_BMCR, &reg) || (reg & BMCR_PDOWN))
1556 tg3_bmcr_reset(tp);
1557
298cf9be 1558 i = mdiobus_register(tp->mdio_bus);
a9daf367 1559 if (i) {
ab96b241 1560 dev_warn(&tp->pdev->dev, "mdiobus_reg failed (0x%x)\n", i);
9c61d6bc 1561 mdiobus_free(tp->mdio_bus);
a9daf367
MC		 1562 return i;
1563 }
158d7abd 1564
7f854420 1565 phydev = mdiobus_get_phy(tp->mdio_bus, tp->phy_addr);
a9daf367 1566
9c61d6bc 1567 if (!phydev || !phydev->drv) {
ab96b241 1568 dev_warn(&tp->pdev->dev, "No PHY devices\n");
9c61d6bc
MC		 1569 mdiobus_unregister(tp->mdio_bus);
1570 mdiobus_free(tp->mdio_bus);
1571 return -ENODEV;
1572 }
1573
1574 switch (phydev->drv->phy_id & phydev->drv->phy_id_mask) {
6a443a0f 1575 case PHY_ID_BCM57780:
321d32a0 1576 phydev->interface = PHY_INTERFACE_MODE_GMII;
c704dc23 1577 phydev->dev_flags |= PHY_BRCM_AUTO_PWRDWN_ENABLE;
321d32a0 1578 break;
6a443a0f
MC		 1579 case PHY_ID_BCM50610:
1580 case PHY_ID_BCM50610M:
32e5a8d6 1581 phydev->dev_flags |= PHY_BRCM_CLEAR_RGMII_MODE |
c704dc23 1582 PHY_BRCM_RX_REFCLK_UNUSED |
52fae083 1583 PHY_BRCM_DIS_TXCRXC_NOENRGY |
c704dc23 1584 PHY_BRCM_AUTO_PWRDWN_ENABLE;
df561f66 1585 fallthrough;
6a443a0f 1586 case PHY_ID_RTL8211C:
fcb389df 1587 phydev->interface = PHY_INTERFACE_MODE_RGMII;
a9daf367 1588 break;
6a443a0f
MC		 1589 case PHY_ID_RTL8201E:
1590 case PHY_ID_BCMAC131:
a9daf367 1591 phydev->interface = PHY_INTERFACE_MODE_MII;
cdd4e09d 1592 phydev->dev_flags |= PHY_BRCM_AUTO_PWRDWN_ENABLE;
f07e9af3 1593 tp->phy_flags |= TG3_PHYFLG_IS_FET;
a9daf367
MC		 1594 break;
1595 }
1596
63c3a66f 1597 tg3_flag_set(tp, MDIOBUS_INITED);
9c61d6bc 1598
4153577a 1599 if (tg3_asic_rev(tp) == ASIC_REV_5785)
9c61d6bc 1600 tg3_mdio_config_5785(tp);
a9daf367
MC		 1601
1602 return 0;
158d7abd
MC		 1603}
1604
1605static void tg3_mdio_fini(struct tg3 *tp)
1606{
63c3a66f
JP		 1607 if (tg3_flag(tp, MDIOBUS_INITED)) {
1608 tg3_flag_clear(tp, MDIOBUS_INITED);
298cf9be
LB		 1609 mdiobus_unregister(tp->mdio_bus);
1610 mdiobus_free(tp->mdio_bus);
158d7abd
MC		 1611 }
1612}
1613
4ba526ce
MC		 1614/* tp->lock is held. */
1615static inline void tg3_generate_fw_event(struct tg3 *tp)
1616{
1617 u32 val;
1618
1619 val = tr32(GRC_RX_CPU_EVENT);
1620 val |= GRC_RX_CPU_DRIVER_EVENT;
1621 tw32_f(GRC_RX_CPU_EVENT, val);
1622
1623 tp->last_event_jiffies = jiffies;
1624}
1625
1626#define TG3_FW_EVENT_TIMEOUT_USEC 2500
1627
95e2869a
MC		 1628/* tp->lock is held. */
1629static void tg3_wait_for_event_ack(struct tg3 *tp)
1630{
1631 int i;
4ba526ce
MC		 1632 unsigned int delay_cnt;
1633 long time_remain;
1634
1635 /* If enough time has passed, no wait is necessary. */
1636 time_remain = (long)(tp->last_event_jiffies + 1 +
1637 usecs_to_jiffies(TG3_FW_EVENT_TIMEOUT_USEC)) -
1638 (long)jiffies;
1639 if (time_remain < 0)
1640 return;
1641
1642 /* Check if we can shorten the wait time. */
1643 delay_cnt = jiffies_to_usecs(time_remain);
1644 if (delay_cnt > TG3_FW_EVENT_TIMEOUT_USEC)
1645 delay_cnt = TG3_FW_EVENT_TIMEOUT_USEC;
1646 delay_cnt = (delay_cnt >> 3) + 1;
95e2869a 1647
4ba526ce 1648 for (i = 0; i < delay_cnt; i++) {
95e2869a
MC		 1649 if (!(tr32(GRC_RX_CPU_EVENT) & GRC_RX_CPU_DRIVER_EVENT))
1650 break;
6d446ec3
GS		 1651 if (pci_channel_offline(tp->pdev))
1652 break;
1653
4ba526ce 1654 udelay(8);
95e2869a
MC		 1655 }
1656}
1657
1658/* tp->lock is held. */
b28f389d 1659static void tg3_phy_gather_ump_data(struct tg3 *tp, u32 *data)
95e2869a 1660{
b28f389d 1661 u32 reg, val;
95e2869a
MC		 1662
1663 val = 0;
1664 if (!tg3_readphy(tp, MII_BMCR, &reg))
1665 val = reg << 16;
1666 if (!tg3_readphy(tp, MII_BMSR, &reg))
1667 val |= (reg & 0xffff);
b28f389d 1668 *data++ = val;
95e2869a
MC		 1669
1670 val = 0;
1671 if (!tg3_readphy(tp, MII_ADVERTISE, &reg))
1672 val = reg << 16;
1673 if (!tg3_readphy(tp, MII_LPA, &reg))
1674 val |= (reg & 0xffff);
b28f389d 1675 *data++ = val;
95e2869a
MC		 1676
1677 val = 0;
f07e9af3 1678 if (!(tp->phy_flags & TG3_PHYFLG_MII_SERDES)) {
95e2869a
MC		 1679 if (!tg3_readphy(tp, MII_CTRL1000, &reg))
1680 val = reg << 16;
1681 if (!tg3_readphy(tp, MII_STAT1000, &reg))
1682 val |= (reg & 0xffff);
1683 }
b28f389d 1684 *data++ = val;
95e2869a
MC		 1685
1686 if (!tg3_readphy(tp, MII_PHYADDR, &reg))
1687 val = reg << 16;
1688 else
1689 val = 0;
b28f389d
MC		 1690 *data++ = val;
1691}
1692
1693/* tp->lock is held. */
1694static void tg3_ump_link_report(struct tg3 *tp)
1695{
1696 u32 data[4];
1697
1698 if (!tg3_flag(tp, 5780_CLASS) || !tg3_flag(tp, ENABLE_ASF))
1699 return;
1700
1701 tg3_phy_gather_ump_data(tp, data);
1702
1703 tg3_wait_for_event_ack(tp);
1704
1705 tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX, FWCMD_NICDRV_LINK_UPDATE);
1706 tg3_write_mem(tp, NIC_SRAM_FW_CMD_LEN_MBOX, 14);
1707 tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX + 0x0, data[0]);
1708 tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX + 0x4, data[1]);
1709 tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX + 0x8, data[2]);
1710 tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX + 0xc, data[3]);
95e2869a 1711
4ba526ce 1712 tg3_generate_fw_event(tp);
95e2869a
MC		 1713}
1714
8d5a89b3
MC		 1715/* tp->lock is held. */
1716static void tg3_stop_fw(struct tg3 *tp)
1717{
1718 if (tg3_flag(tp, ENABLE_ASF) && !tg3_flag(tp, ENABLE_APE)) {
1719 /* Wait for RX cpu to ACK the previous event. */
1720 tg3_wait_for_event_ack(tp);
1721
1722 tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX, FWCMD_NICDRV_PAUSE_FW);
1723
1724 tg3_generate_fw_event(tp);
1725
1726 /* Wait for RX cpu to ACK this event. */
1727 tg3_wait_for_event_ack(tp);
1728 }
1729}
1730
fd6d3f0e
MC		 1731/* tp->lock is held. */
1732static void tg3_write_sig_pre_reset(struct tg3 *tp, int kind)
1733{
1734 tg3_write_mem(tp, NIC_SRAM_FIRMWARE_MBOX,
1735 NIC_SRAM_FIRMWARE_MBOX_MAGIC1);
1736
1737 if (tg3_flag(tp, ASF_NEW_HANDSHAKE)) {
1738 switch (kind) {
1739 case RESET_KIND_INIT:
1740 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
1741 DRV_STATE_START);
1742 break;
1743
1744 case RESET_KIND_SHUTDOWN:
1745 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
1746 DRV_STATE_UNLOAD);
1747 break;
1748
1749 case RESET_KIND_SUSPEND:
1750 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
1751 DRV_STATE_SUSPEND);
1752 break;
1753
1754 default:
1755 break;
1756 }
1757 }
fd6d3f0e
MC		 1758}
1759
1760/* tp->lock is held. */
1761static void tg3_write_sig_post_reset(struct tg3 *tp, int kind)
1762{
1763 if (tg3_flag(tp, ASF_NEW_HANDSHAKE)) {
1764 switch (kind) {
1765 case RESET_KIND_INIT:
1766 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
1767 DRV_STATE_START_DONE);
1768 break;
1769
1770 case RESET_KIND_SHUTDOWN:
1771 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
1772 DRV_STATE_UNLOAD_DONE);
1773 break;
1774
1775 default:
1776 break;
1777 }
1778 }
fd6d3f0e
MC		 1779}
1780
1781/* tp->lock is held. */
1782static void tg3_write_sig_legacy(struct tg3 *tp, int kind)
1783{
1784 if (tg3_flag(tp, ENABLE_ASF)) {
1785 switch (kind) {
1786 case RESET_KIND_INIT:
1787 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
1788 DRV_STATE_START);
1789 break;
1790
1791 case RESET_KIND_SHUTDOWN:
1792 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
1793 DRV_STATE_UNLOAD);
1794 break;
1795
1796 case RESET_KIND_SUSPEND:
1797 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
1798 DRV_STATE_SUSPEND);
1799 break;
1800
1801 default:
1802 break;
1803 }
1804 }
1805}
1806
1807static int tg3_poll_fw(struct tg3 *tp)
1808{
1809 int i;
1810 u32 val;
1811
df465abf
NS		 1812 if (tg3_flag(tp, NO_FWARE_REPORTED))
1813 return 0;
1814
7e6c63f0
HM		 1815 if (tg3_flag(tp, IS_SSB_CORE)) {
1816 /* We don't use firmware. */
1817 return 0;
1818 }
1819
4153577a 1820 if (tg3_asic_rev(tp) == ASIC_REV_5906) {
fd6d3f0e
MC		 1821 /* Wait up to 20ms for init done. */
1822 for (i = 0; i < 200; i++) {
1823 if (tr32(VCPU_STATUS) & VCPU_STATUS_INIT_DONE)
1824 return 0;
6d446ec3
GS		 1825 if (pci_channel_offline(tp->pdev))
1826 return -ENODEV;
1827
fd6d3f0e
MC		 1828 udelay(100);
1829 }
1830 return -ENODEV;
1831 }
1832
1833 /* Wait for firmware initialization to complete. */
1834 for (i = 0; i < 100000; i++) {
1835 tg3_read_mem(tp, NIC_SRAM_FIRMWARE_MBOX, &val);
1836 if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
1837 break;
6d446ec3
GS		 1838 if (pci_channel_offline(tp->pdev)) {
1839 if (!tg3_flag(tp, NO_FWARE_REPORTED)) {
1840 tg3_flag_set(tp, NO_FWARE_REPORTED);
1841 netdev_info(tp->dev, "No firmware running\n");
1842 }
1843
1844 break;
1845 }
1846
fd6d3f0e
MC		 1847 udelay(10);
1848 }
1849
1850 /* Chip might not be fitted with firmware. Some Sun onboard
1851 * parts are configured like that. So don't signal the timeout
1852 * of the above loop as an error, but do report the lack of
1853 * running firmware once.
1854 */
1855 if (i >= 100000 && !tg3_flag(tp, NO_FWARE_REPORTED)) {
1856 tg3_flag_set(tp, NO_FWARE_REPORTED);
1857
1858 netdev_info(tp->dev, "No firmware running\n");
1859 }
1860
4153577a 1861 if (tg3_chip_rev_id(tp) == CHIPREV_ID_57765_A0) {
fd6d3f0e
MC		 1862 /* The 57765 A0 needs a little more
1863 * time to do some important work.
1864 */
1865 mdelay(10);
1866 }
1867
1868 return 0;
1869}
1870
95e2869a
MC		 1871static void tg3_link_report(struct tg3 *tp)
1872{
1873 if (!netif_carrier_ok(tp->dev)) {
05dbe005 1874 netif_info(tp, link, tp->dev, "Link is down\n");
95e2869a
MC		 1875 tg3_ump_link_report(tp);
1876 } else if (netif_msg_link(tp)) {
05dbe005
JP		 1877 netdev_info(tp->dev, "Link is up at %d Mbps, %s duplex\n",
1878 (tp->link_config.active_speed == SPEED_1000 ?
1879 1000 :
1880 (tp->link_config.active_speed == SPEED_100 ?
1881 100 : 10)),
1882 (tp->link_config.active_duplex == DUPLEX_FULL ?
1883 "full" : "half"));
1884
1885 netdev_info(tp->dev, "Flow control is %s for TX and %s for RX\n",
1886 (tp->link_config.active_flowctrl & FLOW_CTRL_TX) ?
1887 "on" : "off",
1888 (tp->link_config.active_flowctrl & FLOW_CTRL_RX) ?
1889 "on" : "off");
47007831
MC		 1890
1891 if (tp->phy_flags & TG3_PHYFLG_EEE_CAP)
1892 netdev_info(tp->dev, "EEE is %s\n",
1893 tp->setlpicnt ? "enabled" : "disabled");
1894
95e2869a
MC		 1895 tg3_ump_link_report(tp);
1896 }
84421b99
NS		 1897
1898 tp->link_up = netif_carrier_ok(tp->dev);
95e2869a
MC		 1899}
1900
fdad8de4
NS		 1901static u32 tg3_decode_flowctrl_1000T(u32 adv)
1902{
1903 u32 flowctrl = 0;
1904
1905 if (adv & ADVERTISE_PAUSE_CAP) {
1906 flowctrl |= FLOW_CTRL_RX;
1907 if (!(adv & ADVERTISE_PAUSE_ASYM))
1908 flowctrl |= FLOW_CTRL_TX;
1909 } else if (adv & ADVERTISE_PAUSE_ASYM)
1910 flowctrl |= FLOW_CTRL_TX;
1911
1912 return flowctrl;
1913}
1914
95e2869a
MC		 1915static u16 tg3_advert_flowctrl_1000X(u8 flow_ctrl)
1916{
1917 u16 miireg;
1918
e18ce346 1919 if ((flow_ctrl & FLOW_CTRL_TX) && (flow_ctrl & FLOW_CTRL_RX))
95e2869a 1920 miireg = ADVERTISE_1000XPAUSE;
e18ce346 1921 else if (flow_ctrl & FLOW_CTRL_TX)
95e2869a 1922 miireg = ADVERTISE_1000XPSE_ASYM;
e18ce346 1923 else if (flow_ctrl & FLOW_CTRL_RX)
95e2869a
MC		 1924 miireg = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM;
1925 else
1926 miireg = 0;
1927
1928 return miireg;
1929}
1930
fdad8de4
NS		 1931static u32 tg3_decode_flowctrl_1000X(u32 adv)
1932{
1933 u32 flowctrl = 0;
1934
1935 if (adv & ADVERTISE_1000XPAUSE) {
1936 flowctrl |= FLOW_CTRL_RX;
1937 if (!(adv & ADVERTISE_1000XPSE_ASYM))
1938 flowctrl |= FLOW_CTRL_TX;
1939 } else if (adv & ADVERTISE_1000XPSE_ASYM)
1940 flowctrl |= FLOW_CTRL_TX;
1941
1942 return flowctrl;
1943}
1944
95e2869a
MC		 1945static u8 tg3_resolve_flowctrl_1000X(u16 lcladv, u16 rmtadv)
1946{
1947 u8 cap = 0;
1948
f3791cdf
MC		 1949 if (lcladv & rmtadv & ADVERTISE_1000XPAUSE) {
1950 cap = FLOW_CTRL_TX | FLOW_CTRL_RX;
1951 } else if (lcladv & rmtadv & ADVERTISE_1000XPSE_ASYM) {
1952 if (lcladv & ADVERTISE_1000XPAUSE)
1953 cap = FLOW_CTRL_RX;
1954 if (rmtadv & ADVERTISE_1000XPAUSE)
e18ce346 1955 cap = FLOW_CTRL_TX;
95e2869a
MC		 1956 }
1957
1958 return cap;
1959}
1960
f51f3562 1961static void tg3_setup_flow_control(struct tg3 *tp, u32 lcladv, u32 rmtadv)
95e2869a 1962{
b02fd9e3 1963 u8 autoneg;
f51f3562 1964 u8 flowctrl = 0;
95e2869a
MC		 1965 u32 old_rx_mode = tp->rx_mode;
1966 u32 old_tx_mode = tp->tx_mode;
1967
63c3a66f 1968 if (tg3_flag(tp, USE_PHYLIB))
7f854420 1969 autoneg = mdiobus_get_phy(tp->mdio_bus, tp->phy_addr)->autoneg;
b02fd9e3
MC		 1970 else
1971 autoneg = tp->link_config.autoneg;
1972
63c3a66f 1973 if (autoneg == AUTONEG_ENABLE && tg3_flag(tp, PAUSE_AUTONEG)) {
f07e9af3 1974 if (tp->phy_flags & TG3_PHYFLG_ANY_SERDES)
f51f3562 1975 flowctrl = tg3_resolve_flowctrl_1000X(lcladv, rmtadv);
95e2869a 1976 else
bc02ff95 1977 flowctrl = mii_resolve_flowctrl_fdx(lcladv, rmtadv);
f51f3562
MC		 1978 } else
1979 flowctrl = tp->link_config.flowctrl;
95e2869a 1980
f51f3562 1981 tp->link_config.active_flowctrl = flowctrl;
95e2869a 1982
e18ce346 1983 if (flowctrl & FLOW_CTRL_RX)
95e2869a
MC		 1984 tp->rx_mode |= RX_MODE_FLOW_CTRL_ENABLE;
1985 else
1986 tp->rx_mode &= ~RX_MODE_FLOW_CTRL_ENABLE;
1987
f51f3562 1988 if (old_rx_mode != tp->rx_mode)
95e2869a 1989 tw32_f(MAC_RX_MODE, tp->rx_mode);
95e2869a 1990
e18ce346 1991 if (flowctrl & FLOW_CTRL_TX)
95e2869a
MC		 1992 tp->tx_mode |= TX_MODE_FLOW_CTRL_ENABLE;
1993 else
1994 tp->tx_mode &= ~TX_MODE_FLOW_CTRL_ENABLE;
1995
f51f3562 1996 if (old_tx_mode != tp->tx_mode)
95e2869a 1997 tw32_f(MAC_TX_MODE, tp->tx_mode);
95e2869a
MC		 1998}
1999
b02fd9e3
MC		 2000static void tg3_adjust_link(struct net_device *dev)
2001{
2002 u8 oldflowctrl, linkmesg = 0;
2003 u32 mac_mode, lcl_adv, rmt_adv;
2004 struct tg3 *tp = netdev_priv(dev);
7f854420 2005 struct phy_device *phydev = mdiobus_get_phy(tp->mdio_bus, tp->phy_addr);
b02fd9e3 2006
24bb4fb6 2007 spin_lock_bh(&tp->lock);
b02fd9e3
MC		 2008
2009 mac_mode = tp->mac_mode & ~(MAC_MODE_PORT_MODE_MASK |
2010 MAC_MODE_HALF_DUPLEX);
2011
2012 oldflowctrl = tp->link_config.active_flowctrl;
2013
2014 if (phydev->link) {
2015 lcl_adv = 0;
2016 rmt_adv = 0;
2017
2018 if (phydev->speed == SPEED_100 || phydev->speed == SPEED_10)
2019 mac_mode |= MAC_MODE_PORT_MODE_MII;
c3df0748 2020 else if (phydev->speed == SPEED_1000 ||
4153577a 2021 tg3_asic_rev(tp) != ASIC_REV_5785)
b02fd9e3 2022 mac_mode |= MAC_MODE_PORT_MODE_GMII;
c3df0748
MC		 2023 else
2024 mac_mode |= MAC_MODE_PORT_MODE_MII;
b02fd9e3
MC		 2025
2026 if (phydev->duplex == DUPLEX_HALF)
2027 mac_mode |= MAC_MODE_HALF_DUPLEX;
2028 else {
f88788f0 2029 lcl_adv = mii_advertise_flowctrl(
b02fd9e3
MC		 2030 tp->link_config.flowctrl);
2031
2032 if (phydev->pause)
2033 rmt_adv = LPA_PAUSE_CAP;
2034 if (phydev->asym_pause)
2035 rmt_adv |= LPA_PAUSE_ASYM;
2036 }
2037
2038 tg3_setup_flow_control(tp, lcl_adv, rmt_adv);
2039 } else
2040 mac_mode |= MAC_MODE_PORT_MODE_GMII;
2041
2042 if (mac_mode != tp->mac_mode) {
2043 tp->mac_mode = mac_mode;
2044 tw32_f(MAC_MODE, tp->mac_mode);
2045 udelay(40);
2046 }
2047
4153577a 2048 if (tg3_asic_rev(tp) == ASIC_REV_5785) {
fcb389df
MC		 2049 if (phydev->speed == SPEED_10)
2050 tw32(MAC_MI_STAT,
2051 MAC_MI_STAT_10MBPS_MODE |
2052 MAC_MI_STAT_LNKSTAT_ATTN_ENAB);
2053 else
2054 tw32(MAC_MI_STAT, MAC_MI_STAT_LNKSTAT_ATTN_ENAB);
2055 }
2056
b02fd9e3
MC		 2057 if (phydev->speed == SPEED_1000 && phydev->duplex == DUPLEX_HALF)
2058 tw32(MAC_TX_LENGTHS,
2059 ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
2060 (6 << TX_LENGTHS_IPG_SHIFT) |
2061 (0xff << TX_LENGTHS_SLOT_TIME_SHIFT)));
2062 else
2063 tw32(MAC_TX_LENGTHS,
2064 ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
2065 (6 << TX_LENGTHS_IPG_SHIFT) |
2066 (32 << TX_LENGTHS_SLOT_TIME_SHIFT)));
2067
34655ad6 2068 if (phydev->link != tp->old_link ||
b02fd9e3
MC		 2069 phydev->speed != tp->link_config.active_speed ||
2070 phydev->duplex != tp->link_config.active_duplex ||
2071 oldflowctrl != tp->link_config.active_flowctrl)
c6cdf436 2072 linkmesg = 1;
b02fd9e3 2073
34655ad6 2074 tp->old_link = phydev->link;
b02fd9e3
MC		 2075 tp->link_config.active_speed = phydev->speed;
2076 tp->link_config.active_duplex = phydev->duplex;
2077
24bb4fb6 2078 spin_unlock_bh(&tp->lock);
b02fd9e3
MC		 2079
2080 if (linkmesg)
2081 tg3_link_report(tp);
2082}
2083
2084static int tg3_phy_init(struct tg3 *tp)
2085{
2086 struct phy_device *phydev;
2087
f07e9af3 2088 if (tp->phy_flags & TG3_PHYFLG_IS_CONNECTED)
b02fd9e3
MC		 2089 return 0;
2090
2091 /* Bring the PHY back to a known state. */
2092 tg3_bmcr_reset(tp);
2093
7f854420 2094 phydev = mdiobus_get_phy(tp->mdio_bus, tp->phy_addr);
b02fd9e3
MC		 2095
2096 /* Attach the MAC to the PHY. */
84eff6d1 2097 phydev = phy_connect(tp->dev, phydev_name(phydev),
f9a8f83b 2098 tg3_adjust_link, phydev->interface);
b02fd9e3 2099 if (IS_ERR(phydev)) {
ab96b241 2100 dev_err(&tp->pdev->dev, "Could not attach to PHY\n");
b02fd9e3
MC		 2101 return PTR_ERR(phydev);
2102 }
2103
b02fd9e3 2104 /* Mask with MAC supported features. */
9c61d6bc
MC		 2105 switch (phydev->interface) {
2106 case PHY_INTERFACE_MODE_GMII:
2107 case PHY_INTERFACE_MODE_RGMII:
f07e9af3 2108 if (!(tp->phy_flags & TG3_PHYFLG_10_100_ONLY)) {
58056c1e 2109 phy_set_max_speed(phydev, SPEED_1000);
af8d9bb2 2110 phy_support_asym_pause(phydev);
321d32a0
MC		 2111 break;
2112 }
df561f66 2113 fallthrough;
9c61d6bc 2114 case PHY_INTERFACE_MODE_MII:
58056c1e 2115 phy_set_max_speed(phydev, SPEED_100);
af8d9bb2 2116 phy_support_asym_pause(phydev);
9c61d6bc
MC		 2117 break;
2118 default:
7f854420 2119 phy_disconnect(mdiobus_get_phy(tp->mdio_bus, tp->phy_addr));
9c61d6bc
MC		 2120 return -EINVAL;
2121 }
2122
f07e9af3 2123 tp->phy_flags |= TG3_PHYFLG_IS_CONNECTED;
b02fd9e3 2124
2220943a
AL		 2125 phy_attached_info(phydev);
2126
b02fd9e3
MC		 2127 return 0;
2128}
2129
2130static void tg3_phy_start(struct tg3 *tp)
2131{
2132 struct phy_device *phydev;
2133
f07e9af3 2134 if (!(tp->phy_flags & TG3_PHYFLG_IS_CONNECTED))
b02fd9e3
MC		 2135 return;
2136
7f854420 2137 phydev = mdiobus_get_phy(tp->mdio_bus, tp->phy_addr);
b02fd9e3 2138
80096068
MC		 2139 if (tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER) {
2140 tp->phy_flags &= ~TG3_PHYFLG_IS_LOW_POWER;
c6700ce2
MC		 2141 phydev->speed = tp->link_config.speed;
2142 phydev->duplex = tp->link_config.duplex;
2143 phydev->autoneg = tp->link_config.autoneg;
3c1bcc86
AL		 2144 ethtool_convert_legacy_u32_to_link_mode(
2145 phydev->advertising, tp->link_config.advertising);
b02fd9e3
MC		 2146 }
2147
2148 phy_start(phydev);
2149
2150 phy_start_aneg(phydev);
2151}
2152
2153static void tg3_phy_stop(struct tg3 *tp)
2154{
f07e9af3 2155 if (!(tp->phy_flags & TG3_PHYFLG_IS_CONNECTED))
b02fd9e3
MC		 2156 return;
2157
7f854420 2158 phy_stop(mdiobus_get_phy(tp->mdio_bus, tp->phy_addr));
b02fd9e3
MC		 2159}
2160
2161static void tg3_phy_fini(struct tg3 *tp)
2162{
f07e9af3 2163 if (tp->phy_flags & TG3_PHYFLG_IS_CONNECTED) {
7f854420 2164 phy_disconnect(mdiobus_get_phy(tp->mdio_bus, tp->phy_addr));
f07e9af3 2165 tp->phy_flags &= ~TG3_PHYFLG_IS_CONNECTED;
b02fd9e3
MC		 2166 }
2167}
2168
941ec90f
MC		 2169static int tg3_phy_set_extloopbk(struct tg3 *tp)
2170{
2171 int err;
2172 u32 val;
2173
2174 if (tp->phy_flags & TG3_PHYFLG_IS_FET)
2175 return 0;
2176
2177 if ((tp->phy_id & TG3_PHY_ID_MASK) == TG3_PHY_ID_BCM5401) {
2178 /* Cannot do read-modify-write on 5401 */
2179 err = tg3_phy_auxctl_write(tp,
2180 MII_TG3_AUXCTL_SHDWSEL_AUXCTL,
2181 MII_TG3_AUXCTL_ACTL_EXTLOOPBK |
2182 0x4c20);
2183 goto done;
2184 }
2185
2186 err = tg3_phy_auxctl_read(tp,
2187 MII_TG3_AUXCTL_SHDWSEL_AUXCTL, &val);
2188 if (err)
2189 return err;
2190
2191 val |= MII_TG3_AUXCTL_ACTL_EXTLOOPBK;
2192 err = tg3_phy_auxctl_write(tp,
2193 MII_TG3_AUXCTL_SHDWSEL_AUXCTL, val);
2194
2195done:
2196 return err;
2197}
2198
7f97a4bd
MC		 2199static void tg3_phy_fet_toggle_apd(struct tg3 *tp, bool enable)
2200{
2201 u32 phytest;
2202
2203 if (!tg3_readphy(tp, MII_TG3_FET_TEST, &phytest)) {
2204 u32 phy;
2205
2206 tg3_writephy(tp, MII_TG3_FET_TEST,
2207 phytest | MII_TG3_FET_SHADOW_EN);
2208 if (!tg3_readphy(tp, MII_TG3_FET_SHDW_AUXSTAT2, &phy)) {
2209 if (enable)
2210 phy |= MII_TG3_FET_SHDW_AUXSTAT2_APD;
2211 else
2212 phy &= ~MII_TG3_FET_SHDW_AUXSTAT2_APD;
2213 tg3_writephy(tp, MII_TG3_FET_SHDW_AUXSTAT2, phy);
2214 }
2215 tg3_writephy(tp, MII_TG3_FET_TEST, phytest);
2216 }
2217}
2218
6833c043
MC		 2219static void tg3_phy_toggle_apd(struct tg3 *tp, bool enable)
2220{
2221 u32 reg;
2222
63c3a66f
JP		 2223 if (!tg3_flag(tp, 5705_PLUS) ||
2224 (tg3_flag(tp, 5717_PLUS) &&
f07e9af3 2225 (tp->phy_flags & TG3_PHYFLG_MII_SERDES)))
6833c043
MC		 2226 return;
2227
f07e9af3 2228 if (tp->phy_flags & TG3_PHYFLG_IS_FET) {
7f97a4bd
MC		 2229 tg3_phy_fet_toggle_apd(tp, enable);
2230 return;
2231 }
2232
3ab71071 2233 reg = MII_TG3_MISC_SHDW_SCR5_LPED |
6833c043
MC		 2234 MII_TG3_MISC_SHDW_SCR5_DLPTLM |
2235 MII_TG3_MISC_SHDW_SCR5_SDTL |
2236 MII_TG3_MISC_SHDW_SCR5_C125OE;
4153577a 2237 if (tg3_asic_rev(tp) != ASIC_REV_5784 || !enable)
6833c043
MC		 2238 reg |= MII_TG3_MISC_SHDW_SCR5_DLLAPD;
2239
3ab71071 2240 tg3_phy_shdw_write(tp, MII_TG3_MISC_SHDW_SCR5_SEL, reg);
6833c043
MC		 2241
2242
3ab71071 2243 reg = MII_TG3_MISC_SHDW_APD_WKTM_84MS;
6833c043
MC		 2244 if (enable)
2245 reg |= MII_TG3_MISC_SHDW_APD_ENABLE;
2246
3ab71071 2247 tg3_phy_shdw_write(tp, MII_TG3_MISC_SHDW_APD_SEL, reg);
6833c043
MC		 2248}
2249
953c96e0 2250static void tg3_phy_toggle_automdix(struct tg3 *tp, bool enable)
9ef8ca99
MC		 2251{
2252 u32 phy;
2253
63c3a66f 2254 if (!tg3_flag(tp, 5705_PLUS) ||
f07e9af3 2255 (tp->phy_flags & TG3_PHYFLG_ANY_SERDES))
9ef8ca99
MC		 2256 return;
2257
f07e9af3 2258 if (tp->phy_flags & TG3_PHYFLG_IS_FET) {
9ef8ca99
MC		 2259 u32 ephy;
2260
535ef6e1
MC		 2261 if (!tg3_readphy(tp, MII_TG3_FET_TEST, &ephy)) {
2262 u32 reg = MII_TG3_FET_SHDW_MISCCTRL;
2263
2264 tg3_writephy(tp, MII_TG3_FET_TEST,
2265 ephy | MII_TG3_FET_SHADOW_EN);
2266 if (!tg3_readphy(tp, reg, &phy)) {
9ef8ca99 2267 if (enable)
535ef6e1 2268 phy |= MII_TG3_FET_SHDW_MISCCTRL_MDIX;
9ef8ca99 2269 else
535ef6e1
MC		 2270 phy &= ~MII_TG3_FET_SHDW_MISCCTRL_MDIX;
2271 tg3_writephy(tp, reg, phy);
9ef8ca99 2272 }
535ef6e1 2273 tg3_writephy(tp, MII_TG3_FET_TEST, ephy);
9ef8ca99
MC		 2274 }
2275 } else {
15ee95c3
MC		 2276 int ret;
2277
2278 ret = tg3_phy_auxctl_read(tp,
2279 MII_TG3_AUXCTL_SHDWSEL_MISC, &phy);
2280 if (!ret) {
9ef8ca99
MC		 2281 if (enable)
2282 phy |= MII_TG3_AUXCTL_MISC_FORCE_AMDIX;
2283 else
2284 phy &= ~MII_TG3_AUXCTL_MISC_FORCE_AMDIX;
b4bd2929
MC		 2285 tg3_phy_auxctl_write(tp,
2286 MII_TG3_AUXCTL_SHDWSEL_MISC, phy);
9ef8ca99
MC		 2287 }
2288 }
2289}
2290
1da177e4
LT		 2291static void tg3_phy_set_wirespeed(struct tg3 *tp)
2292{
15ee95c3 2293 int ret;
1da177e4
LT		 2294 u32 val;
2295
f07e9af3 2296 if (tp->phy_flags & TG3_PHYFLG_NO_ETH_WIRE_SPEED)
1da177e4
LT		 2297 return;
2298
15ee95c3
MC		 2299 ret = tg3_phy_auxctl_read(tp, MII_TG3_AUXCTL_SHDWSEL_MISC, &val);
2300 if (!ret)
b4bd2929
MC		 2301 tg3_phy_auxctl_write(tp, MII_TG3_AUXCTL_SHDWSEL_MISC,
2302 val | MII_TG3_AUXCTL_MISC_WIRESPD_EN);
1da177e4
LT		 2303}
2304
b2a5c19c
MC		 2305static void tg3_phy_apply_otp(struct tg3 *tp)
2306{
2307 u32 otp, phy;
2308
2309 if (!tp->phy_otp)
2310 return;
2311
2312 otp = tp->phy_otp;
2313
daf3ec68 2314 if (tg3_phy_toggle_auxctl_smdsp(tp, true))
1d36ba45 2315 return;
b2a5c19c
MC		 2316
2317 phy = ((otp & TG3_OTP_AGCTGT_MASK) >> TG3_OTP_AGCTGT_SHIFT);
2318 phy |= MII_TG3_DSP_TAP1_AGCTGT_DFLT;
2319 tg3_phydsp_write(tp, MII_TG3_DSP_TAP1, phy);
2320
2321 phy = ((otp & TG3_OTP_HPFFLTR_MASK) >> TG3_OTP_HPFFLTR_SHIFT) |
2322 ((otp & TG3_OTP_HPFOVER_MASK) >> TG3_OTP_HPFOVER_SHIFT);
2323 tg3_phydsp_write(tp, MII_TG3_DSP_AADJ1CH0, phy);
2324
2325 phy = ((otp & TG3_OTP_LPFDIS_MASK) >> TG3_OTP_LPFDIS_SHIFT);
2326 phy |= MII_TG3_DSP_AADJ1CH3_ADCCKADJ;
2327 tg3_phydsp_write(tp, MII_TG3_DSP_AADJ1CH3, phy);
2328
2329 phy = ((otp & TG3_OTP_VDAC_MASK) >> TG3_OTP_VDAC_SHIFT);
2330 tg3_phydsp_write(tp, MII_TG3_DSP_EXP75, phy);
2331
2332 phy = ((otp & TG3_OTP_10BTAMP_MASK) >> TG3_OTP_10BTAMP_SHIFT);
2333 tg3_phydsp_write(tp, MII_TG3_DSP_EXP96, phy);
2334
2335 phy = ((otp & TG3_OTP_ROFF_MASK) >> TG3_OTP_ROFF_SHIFT) |
2336 ((otp & TG3_OTP_RCOFF_MASK) >> TG3_OTP_RCOFF_SHIFT);
2337 tg3_phydsp_write(tp, MII_TG3_DSP_EXP97, phy);
2338
daf3ec68 2339 tg3_phy_toggle_auxctl_smdsp(tp, false);
b2a5c19c
MC		 2340}
2341
d80a5233 2342static void tg3_eee_pull_config(struct tg3 *tp, struct ethtool_keee *eee)
400dfbaa
NS		 2343{
2344 u32 val;
d80a5233 2345 struct ethtool_keee *dest = &tp->eee;
400dfbaa
NS		 2346
2347 if (!(tp->phy_flags & TG3_PHYFLG_EEE_CAP))
2348 return;
2349
2350 if (eee)
2351 dest = eee;
2352
2353 if (tg3_phy_cl45_read(tp, MDIO_MMD_AN, TG3_CL45_D7_EEERES_STAT, &val))
2354 return;
2355
2356 /* Pull eee_active */
2357 if (val == TG3_CL45_D7_EEERES_STAT_LP_1000T ||
2358 val == TG3_CL45_D7_EEERES_STAT_LP_100TX) {
2359 dest->eee_active = 1;
2360 } else
2361 dest->eee_active = 0;
2362
2363 /* Pull lp advertised settings */
2364 if (tg3_phy_cl45_read(tp, MDIO_MMD_AN, MDIO_AN_EEE_LPABLE, &val))
2365 return;
9bc79134 2366 mii_eee_cap1_mod_linkmode_t(dest->lp_advertised, val);
400dfbaa
NS		 2367
2368 /* Pull advertised and eee_enabled settings */
2369 if (tg3_phy_cl45_read(tp, MDIO_MMD_AN, MDIO_AN_EEE_ADV, &val))
2370 return;
2371 dest->eee_enabled = !!val;
9bc79134 2372 mii_eee_cap1_mod_linkmode_t(dest->advertised, val);
400dfbaa
NS		 2373
2374 /* Pull tx_lpi_enabled */
2375 val = tr32(TG3_CPMU_EEE_MODE);
2376 dest->tx_lpi_enabled = !!(val & TG3_CPMU_EEEMD_LPI_IN_TX);
2377
2378 /* Pull lpi timer value */
2379 dest->tx_lpi_timer = tr32(TG3_CPMU_EEE_DBTMR1) & 0xffff;
2380}
2381
953c96e0 2382static void tg3_phy_eee_adjust(struct tg3 *tp, bool current_link_up)
52b02d04
MC		 2383{
2384 u32 val;
2385
2386 if (!(tp->phy_flags & TG3_PHYFLG_EEE_CAP))
2387 return;
2388
2389 tp->setlpicnt = 0;
2390
2391 if (tp->link_config.autoneg == AUTONEG_ENABLE &&
953c96e0 2392 current_link_up &&
a6b68dab
MC		 2393 tp->link_config.active_duplex == DUPLEX_FULL &&
2394 (tp->link_config.active_speed == SPEED_100 ||
2395 tp->link_config.active_speed == SPEED_1000)) {
52b02d04
MC		 2396 u32 eeectl;
2397
2398 if (tp->link_config.active_speed == SPEED_1000)
2399 eeectl = TG3_CPMU_EEE_CTRL_EXIT_16_5_US;
2400 else
2401 eeectl = TG3_CPMU_EEE_CTRL_EXIT_36_US;
2402
2403 tw32(TG3_CPMU_EEE_CTRL, eeectl);
2404
400dfbaa
NS		 2405 tg3_eee_pull_config(tp, NULL);
2406 if (tp->eee.eee_active)
52b02d04
MC		 2407 tp->setlpicnt = 2;
2408 }
2409
2410 if (!tp->setlpicnt) {
953c96e0 2411 if (current_link_up &&
daf3ec68 2412 !tg3_phy_toggle_auxctl_smdsp(tp, true)) {
b715ce94 2413 tg3_phydsp_write(tp, MII_TG3_DSP_TAP26, 0x0000);
daf3ec68 2414 tg3_phy_toggle_auxctl_smdsp(tp, false);
b715ce94
MC		 2415 }
2416
52b02d04
MC		 2417 val = tr32(TG3_CPMU_EEE_MODE);
2418 tw32(TG3_CPMU_EEE_MODE, val & ~TG3_CPMU_EEEMD_LPI_ENABLE);
2419 }
2420}
2421
b0c5943f
MC		 2422static void tg3_phy_eee_enable(struct tg3 *tp)
2423{
2424 u32 val;
2425
2426 if (tp->link_config.active_speed == SPEED_1000 &&
4153577a
JP		 2427 (tg3_asic_rev(tp) == ASIC_REV_5717 ||
2428 tg3_asic_rev(tp) == ASIC_REV_5719 ||
55086ad9 2429 tg3_flag(tp, 57765_CLASS)) &&
daf3ec68 2430 !tg3_phy_toggle_auxctl_smdsp(tp, true)) {
b715ce94
MC		 2431 val = MII_TG3_DSP_TAP26_ALNOKO |
2432 MII_TG3_DSP_TAP26_RMRXSTO;
2433 tg3_phydsp_write(tp, MII_TG3_DSP_TAP26, val);
daf3ec68 2434 tg3_phy_toggle_auxctl_smdsp(tp, false);
b0c5943f
MC		 2435 }
2436
2437 val = tr32(TG3_CPMU_EEE_MODE);
2438 tw32(TG3_CPMU_EEE_MODE, val | TG3_CPMU_EEEMD_LPI_ENABLE);
2439}
2440
1da177e4
LT		 2441static int tg3_wait_macro_done(struct tg3 *tp)
2442{
2443 int limit = 100;
2444
2445 while (limit--) {
2446 u32 tmp32;
2447
f08aa1a8 2448 if (!tg3_readphy(tp, MII_TG3_DSP_CONTROL, &tmp32)) {
1da177e4
LT		 2449 if ((tmp32 & 0x1000) == 0)
2450 break;
2451 }
2452 }
d4675b52 2453 if (limit < 0)
1da177e4
LT		 2454 return -EBUSY;
2455
2456 return 0;
2457}
2458
2459static int tg3_phy_write_and_check_testpat(struct tg3 *tp, int *resetp)
2460{
2461 static const u32 test_pat[4][6] = {
2462 { 0x00005555, 0x00000005, 0x00002aaa, 0x0000000a, 0x00003456, 0x00000003 },
2463 { 0x00002aaa, 0x0000000a, 0x00003333, 0x00000003, 0x0000789a, 0x00000005 },
2464 { 0x00005a5a, 0x00000005, 0x00002a6a, 0x0000000a, 0x00001bcd, 0x00000003 },
2465 { 0x00002a5a, 0x0000000a, 0x000033c3, 0x00000003, 0x00002ef1, 0x00000005 }
2466 };
2467 int chan;
2468
2469 for (chan = 0; chan < 4; chan++) {
2470 int i;
2471
2472 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
2473 (chan * 0x2000) | 0x0200);
f08aa1a8 2474 tg3_writephy(tp, MII_TG3_DSP_CONTROL, 0x0002);
1da177e4
LT		 2475
2476 for (i = 0; i < 6; i++)
2477 tg3_writephy(tp, MII_TG3_DSP_RW_PORT,
2478 test_pat[chan][i]);
2479
f08aa1a8 2480 tg3_writephy(tp, MII_TG3_DSP_CONTROL, 0x0202);
1da177e4
LT		 2481 if (tg3_wait_macro_done(tp)) {
2482 *resetp = 1;
2483 return -EBUSY;
2484 }
2485
2486 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
2487 (chan * 0x2000) | 0x0200);
f08aa1a8 2488 tg3_writephy(tp, MII_TG3_DSP_CONTROL, 0x0082);
1da177e4
LT		 2489 if (tg3_wait_macro_done(tp)) {
2490 *resetp = 1;
2491 return -EBUSY;
2492 }
2493
f08aa1a8 2494 tg3_writephy(tp, MII_TG3_DSP_CONTROL, 0x0802);
1da177e4
LT		 2495 if (tg3_wait_macro_done(tp)) {
2496 *resetp = 1;
2497 return -EBUSY;
2498 }
2499
2500 for (i = 0; i < 6; i += 2) {
2501 u32 low, high;
2502
2503 if (tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &low) ||
2504 tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &high) ||
2505 tg3_wait_macro_done(tp)) {
2506 *resetp = 1;
2507 return -EBUSY;
2508 }
2509 low &= 0x7fff;
2510 high &= 0x000f;
2511 if (low != test_pat[chan][i] ||
2512 high != test_pat[chan][i+1]) {
2513 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000b);
2514 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4001);
2515 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4005);
2516
2517 return -EBUSY;
2518 }
2519 }
2520 }
2521
2522 return 0;
2523}
2524
2525static int tg3_phy_reset_chanpat(struct tg3 *tp)
2526{
2527 int chan;
2528
2529 for (chan = 0; chan < 4; chan++) {
2530 int i;
2531
2532 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
2533 (chan * 0x2000) | 0x0200);
f08aa1a8 2534 tg3_writephy(tp, MII_TG3_DSP_CONTROL, 0x0002);
1da177e4
LT		 2535 for (i = 0; i < 6; i++)
2536 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x000);
f08aa1a8 2537 tg3_writephy(tp, MII_TG3_DSP_CONTROL, 0x0202);
1da177e4
LT		 2538 if (tg3_wait_macro_done(tp))
2539 return -EBUSY;
2540 }
2541
2542 return 0;
2543}
2544
2545static int tg3_phy_reset_5703_4_5(struct tg3 *tp)
2546{
2547 u32 reg32, phy9_orig;
2548 int retries, do_phy_reset, err;
2549
2550 retries = 10;
2551 do_phy_reset = 1;
2552 do {
2553 if (do_phy_reset) {
2554 err = tg3_bmcr_reset(tp);
2555 if (err)
2556 return err;
2557 do_phy_reset = 0;
2558 }
2559
2560 /* Disable transmitter and interrupt. */
2561 if (tg3_readphy(tp, MII_TG3_EXT_CTRL, &reg32))
2562 continue;
2563
2564 reg32 |= 0x3000;
2565 tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
2566
2567 /* Set full-duplex, 1000 mbps. */
2568 tg3_writephy(tp, MII_BMCR,
221c5637 2569 BMCR_FULLDPLX | BMCR_SPEED1000);
1da177e4
LT		 2570
2571 /* Set to master mode. */
221c5637 2572 if (tg3_readphy(tp, MII_CTRL1000, &phy9_orig))
1da177e4
LT		 2573 continue;
2574
221c5637
MC		 2575 tg3_writephy(tp, MII_CTRL1000,
2576 CTL1000_AS_MASTER | CTL1000_ENABLE_MASTER);
1da177e4 2577
daf3ec68 2578 err = tg3_phy_toggle_auxctl_smdsp(tp, true);
1d36ba45
MC		 2579 if (err)
2580 return err;
1da177e4
LT		 2581
2582 /* Block the PHY control access. */
6ee7c0a0 2583 tg3_phydsp_write(tp, 0x8005, 0x0800);
1da177e4
LT		 2584
2585 err = tg3_phy_write_and_check_testpat(tp, &do_phy_reset);
2586 if (!err)
2587 break;
2588 } while (--retries);
2589
2590 err = tg3_phy_reset_chanpat(tp);
2591 if (err)
2592 return err;
2593
6ee7c0a0 2594 tg3_phydsp_write(tp, 0x8005, 0x0000);
1da177e4
LT		 2595
2596 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8200);
f08aa1a8 2597 tg3_writephy(tp, MII_TG3_DSP_CONTROL, 0x0000);
1da177e4 2598
daf3ec68 2599 tg3_phy_toggle_auxctl_smdsp(tp, false);
1da177e4 2600
221c5637 2601 tg3_writephy(tp, MII_CTRL1000, phy9_orig);
1da177e4 2602
c6e27f2f
DC		 2603 err = tg3_readphy(tp, MII_TG3_EXT_CTRL, &reg32);
2604 if (err)
2605 return err;
1da177e4 2606
c6e27f2f
DC		 2607 reg32 &= ~0x3000;
2608 tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
2609
2610 return 0;
1da177e4
LT		 2611}
2612
f4a46d1f
NNS		 2613static void tg3_carrier_off(struct tg3 *tp)
2614{
2615 netif_carrier_off(tp->dev);
2616 tp->link_up = false;
2617}
2618
ce20f161
NS		 2619static void tg3_warn_mgmt_link_flap(struct tg3 *tp)
2620{
2621 if (tg3_flag(tp, ENABLE_ASF))
2622 netdev_warn(tp->dev,
2623 "Management side-band traffic will be interrupted during phy settings change\n");
2624}
2625
1da177e4
LT		 2626/* This will reset the tigon3 PHY if there is no valid
2627 * link unless the FORCE argument is non-zero.
2628 */
2629static int tg3_phy_reset(struct tg3 *tp)
2630{
f833c4c1 2631 u32 val, cpmuctrl;
1da177e4
LT		 2632 int err;
2633
4153577a 2634 if (tg3_asic_rev(tp) == ASIC_REV_5906) {
60189ddf
MC		 2635 val = tr32(GRC_MISC_CFG);
2636 tw32_f(GRC_MISC_CFG, val & ~GRC_MISC_CFG_EPHY_IDDQ);
2637 udelay(40);
2638 }
f833c4c1
MC		 2639 err = tg3_readphy(tp, MII_BMSR, &val);
2640 err |= tg3_readphy(tp, MII_BMSR, &val);
1da177e4
LT		 2641 if (err != 0)
2642 return -EBUSY;
2643
f4a46d1f 2644 if (netif_running(tp->dev) && tp->link_up) {
84421b99 2645 netif_carrier_off(tp->dev);
c8e1e82b
MC		 2646 tg3_link_report(tp);
2647 }
2648
4153577a
JP		 2649 if (tg3_asic_rev(tp) == ASIC_REV_5703 ||
2650 tg3_asic_rev(tp) == ASIC_REV_5704 ||
2651 tg3_asic_rev(tp) == ASIC_REV_5705) {
1da177e4
LT		 2652 err = tg3_phy_reset_5703_4_5(tp);
2653 if (err)
2654 return err;
2655 goto out;
2656 }
2657
b2a5c19c 2658 cpmuctrl = 0;
4153577a
JP		 2659 if (tg3_asic_rev(tp) == ASIC_REV_5784 &&
2660 tg3_chip_rev(tp) != CHIPREV_5784_AX) {
b2a5c19c
MC		 2661 cpmuctrl = tr32(TG3_CPMU_CTRL);
2662 if (cpmuctrl & CPMU_CTRL_GPHY_10MB_RXONLY)
2663 tw32(TG3_CPMU_CTRL,
2664 cpmuctrl & ~CPMU_CTRL_GPHY_10MB_RXONLY);
2665 }
2666
1da177e4
LT		 2667 err = tg3_bmcr_reset(tp);
2668 if (err)
2669 return err;
2670
b2a5c19c 2671 if (cpmuctrl & CPMU_CTRL_GPHY_10MB_RXONLY) {
f833c4c1
MC		 2672 val = MII_TG3_DSP_EXP8_AEDW | MII_TG3_DSP_EXP8_REJ2MHz;
2673 tg3_phydsp_write(tp, MII_TG3_DSP_EXP8, val);
b2a5c19c
MC		 2674
2675 tw32(TG3_CPMU_CTRL, cpmuctrl);
2676 }
2677
4153577a
JP		 2678 if (tg3_chip_rev(tp) == CHIPREV_5784_AX ||
2679 tg3_chip_rev(tp) == CHIPREV_5761_AX) {
ce057f01
MC		 2680 val = tr32(TG3_CPMU_LSPD_1000MB_CLK);
2681 if ((val & CPMU_LSPD_1000MB_MACCLK_MASK) ==
2682 CPMU_LSPD_1000MB_MACCLK_12_5) {
2683 val &= ~CPMU_LSPD_1000MB_MACCLK_MASK;
2684 udelay(40);
2685 tw32_f(TG3_CPMU_LSPD_1000MB_CLK, val);
2686 }
2687 }
2688
63c3a66f 2689 if (tg3_flag(tp, 5717_PLUS) &&
f07e9af3 2690 (tp->phy_flags & TG3_PHYFLG_MII_SERDES))
ecf1410b
MC		 2691 return 0;
2692
b2a5c19c
MC		 2693 tg3_phy_apply_otp(tp);
2694
f07e9af3 2695 if (tp->phy_flags & TG3_PHYFLG_ENABLE_APD)
6833c043
MC		 2696 tg3_phy_toggle_apd(tp, true);
2697 else
2698 tg3_phy_toggle_apd(tp, false);
2699
1da177e4 2700out:
1d36ba45 2701 if ((tp->phy_flags & TG3_PHYFLG_ADC_BUG) &&
daf3ec68 2702 !tg3_phy_toggle_auxctl_smdsp(tp, true)) {
6ee7c0a0
MC		 2703 tg3_phydsp_write(tp, 0x201f, 0x2aaa);
2704 tg3_phydsp_write(tp, 0x000a, 0x0323);
daf3ec68 2705 tg3_phy_toggle_auxctl_smdsp(tp, false);
1da177e4 2706 }
1d36ba45 2707
f07e9af3 2708 if (tp->phy_flags & TG3_PHYFLG_5704_A0_BUG) {
f08aa1a8
MC		 2709 tg3_writephy(tp, MII_TG3_MISC_SHDW, 0x8d68);
2710 tg3_writephy(tp, MII_TG3_MISC_SHDW, 0x8d68);
1da177e4 2711 }
1d36ba45 2712
f07e9af3 2713 if (tp->phy_flags & TG3_PHYFLG_BER_BUG) {
daf3ec68 2714 if (!tg3_phy_toggle_auxctl_smdsp(tp, true)) {
1d36ba45
MC		 2715 tg3_phydsp_write(tp, 0x000a, 0x310b);
2716 tg3_phydsp_write(tp, 0x201f, 0x9506);
2717 tg3_phydsp_write(tp, 0x401f, 0x14e2);
daf3ec68 2718 tg3_phy_toggle_auxctl_smdsp(tp, false);
1d36ba45 2719 }
f07e9af3 2720 } else if (tp->phy_flags & TG3_PHYFLG_JITTER_BUG) {
daf3ec68 2721 if (!tg3_phy_toggle_auxctl_smdsp(tp, true)) {
1d36ba45
MC		 2722 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
2723 if (tp->phy_flags & TG3_PHYFLG_ADJUST_TRIM) {
2724 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x110b);
2725 tg3_writephy(tp, MII_TG3_TEST1,
2726 MII_TG3_TEST1_TRIM_EN | 0x4);
2727 } else
2728 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x010b);
2729
daf3ec68 2730 tg3_phy_toggle_auxctl_smdsp(tp, false);
1d36ba45 2731 }
c424cb24 2732 }
1d36ba45 2733
1da177e4
LT		 2734 /* Set Extended packet length bit (bit 14) on all chips that */
2735 /* support jumbo frames */
79eb6904 2736 if ((tp->phy_id & TG3_PHY_ID_MASK) == TG3_PHY_ID_BCM5401) {
1da177e4 2737 /* Cannot do read-modify-write on 5401 */
b4bd2929 2738 tg3_phy_auxctl_write(tp, MII_TG3_AUXCTL_SHDWSEL_AUXCTL, 0x4c20);
63c3a66f 2739 } else if (tg3_flag(tp, JUMBO_CAPABLE)) {
1da177e4 2740 /* Set bit 14 with read-modify-write to preserve other bits */
15ee95c3
MC		 2741 err = tg3_phy_auxctl_read(tp,
2742 MII_TG3_AUXCTL_SHDWSEL_AUXCTL, &val);
2743 if (!err)
b4bd2929
MC		 2744 tg3_phy_auxctl_write(tp, MII_TG3_AUXCTL_SHDWSEL_AUXCTL,
2745 val | MII_TG3_AUXCTL_ACTL_EXTPKTLEN);
1da177e4
LT		 2746 }
2747
2748 /* Set phy register 0x10 bit 0 to high fifo elasticity to support
2749 * jumbo frames transmission.
2750 */
63c3a66f 2751 if (tg3_flag(tp, JUMBO_CAPABLE)) {
f833c4c1 2752 if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, &val))
c6cdf436 2753 tg3_writephy(tp, MII_TG3_EXT_CTRL,
f833c4c1 2754 val | MII_TG3_EXT_CTRL_FIFO_ELASTIC);
1da177e4
LT		 2755 }
2756
4153577a 2757 if (tg3_asic_rev(tp) == ASIC_REV_5906) {
715116a1 2758 /* adjust output voltage */
535ef6e1 2759 tg3_writephy(tp, MII_TG3_FET_PTEST, 0x12);
715116a1
MC		 2760 }
2761
4153577a 2762 if (tg3_chip_rev_id(tp) == CHIPREV_ID_5762_A0)
c65a17f4
MC		 2763 tg3_phydsp_write(tp, 0xffb, 0x4000);
2764
953c96e0 2765 tg3_phy_toggle_automdix(tp, true);
1da177e4
LT		 2766 tg3_phy_set_wirespeed(tp);
2767 return 0;
2768}
2769
3a1e19d3
MC		 2770#define TG3_GPIO_MSG_DRVR_PRES 0x00000001
2771#define TG3_GPIO_MSG_NEED_VAUX 0x00000002
2772#define TG3_GPIO_MSG_MASK (TG3_GPIO_MSG_DRVR_PRES | \
2773 TG3_GPIO_MSG_NEED_VAUX)
2774#define TG3_GPIO_MSG_ALL_DRVR_PRES_MASK \
2775 ((TG3_GPIO_MSG_DRVR_PRES << 0) | \
2776 (TG3_GPIO_MSG_DRVR_PRES << 4) | \
2777 (TG3_GPIO_MSG_DRVR_PRES << 8) | \
2778 (TG3_GPIO_MSG_DRVR_PRES << 12))
2779
2780#define TG3_GPIO_MSG_ALL_NEED_VAUX_MASK \
2781 ((TG3_GPIO_MSG_NEED_VAUX << 0) | \
2782 (TG3_GPIO_MSG_NEED_VAUX << 4) | \
2783 (TG3_GPIO_MSG_NEED_VAUX << 8) | \
2784 (TG3_GPIO_MSG_NEED_VAUX << 12))
2785
2786static inline u32 tg3_set_function_status(struct tg3 *tp, u32 newstat)
2787{
2788 u32 status, shift;
2789
4153577a
JP		 2790 if (tg3_asic_rev(tp) == ASIC_REV_5717 ||
2791 tg3_asic_rev(tp) == ASIC_REV_5719)
3a1e19d3
MC		 2792 status = tg3_ape_read32(tp, TG3_APE_GPIO_MSG);
2793 else
2794 status = tr32(TG3_CPMU_DRV_STATUS);
2795
2796 shift = TG3_APE_GPIO_MSG_SHIFT + 4 * tp->pci_fn;
2797 status &= ~(TG3_GPIO_MSG_MASK << shift);
2798 status |= (newstat << shift);
2799
4153577a
JP		 2800 if (tg3_asic_rev(tp) == ASIC_REV_5717 ||
2801 tg3_asic_rev(tp) == ASIC_REV_5719)
3a1e19d3
MC		 2802 tg3_ape_write32(tp, TG3_APE_GPIO_MSG, status);
2803 else
2804 tw32(TG3_CPMU_DRV_STATUS, status);
2805
2806 return status >> TG3_APE_GPIO_MSG_SHIFT;
2807}
2808
520b2756
MC		 2809static inline int tg3_pwrsrc_switch_to_vmain(struct tg3 *tp)
2810{
2811 if (!tg3_flag(tp, IS_NIC))
2812 return 0;
2813
4153577a
JP		 2814 if (tg3_asic_rev(tp) == ASIC_REV_5717 ||
2815 tg3_asic_rev(tp) == ASIC_REV_5719 ||
2816 tg3_asic_rev(tp) == ASIC_REV_5720) {
3a1e19d3
MC		 2817 if (tg3_ape_lock(tp, TG3_APE_LOCK_GPIO))
2818 return -EIO;
520b2756 2819
3a1e19d3
MC		 2820 tg3_set_function_status(tp, TG3_GPIO_MSG_DRVR_PRES);
2821
2822 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl,
2823 TG3_GRC_LCLCTL_PWRSW_DELAY);
2824
2825 tg3_ape_unlock(tp, TG3_APE_LOCK_GPIO);
2826 } else {
2827 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl,
2828 TG3_GRC_LCLCTL_PWRSW_DELAY);
2829 }
6f5c8f83 2830
520b2756
MC		 2831 return 0;
2832}
2833
2834static void tg3_pwrsrc_die_with_vmain(struct tg3 *tp)
2835{
2836 u32 grc_local_ctrl;
2837
2838 if (!tg3_flag(tp, IS_NIC) ||
4153577a
JP		 2839 tg3_asic_rev(tp) == ASIC_REV_5700 ||
2840 tg3_asic_rev(tp) == ASIC_REV_5701)
520b2756
MC		 2841 return;
2842
2843 grc_local_ctrl = tp->grc_local_ctrl | GRC_LCLCTRL_GPIO_OE1;
2844
2845 tw32_wait_f(GRC_LOCAL_CTRL,
2846 grc_local_ctrl | GRC_LCLCTRL_GPIO_OUTPUT1,
2847 TG3_GRC_LCLCTL_PWRSW_DELAY);
2848
2849 tw32_wait_f(GRC_LOCAL_CTRL,
2850 grc_local_ctrl,
2851 TG3_GRC_LCLCTL_PWRSW_DELAY);
2852
2853 tw32_wait_f(GRC_LOCAL_CTRL,
2854 grc_local_ctrl | GRC_LCLCTRL_GPIO_OUTPUT1,
2855 TG3_GRC_LCLCTL_PWRSW_DELAY);
2856}
2857
2858static void tg3_pwrsrc_switch_to_vaux(struct tg3 *tp)
2859{
2860 if (!tg3_flag(tp, IS_NIC))
2861 return;
2862
4153577a
JP		 2863 if (tg3_asic_rev(tp) == ASIC_REV_5700 ||
2864 tg3_asic_rev(tp) == ASIC_REV_5701) {
520b2756
MC		 2865 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2866 (GRC_LCLCTRL_GPIO_OE0 |
2867 GRC_LCLCTRL_GPIO_OE1 |
2868 GRC_LCLCTRL_GPIO_OE2 |
2869 GRC_LCLCTRL_GPIO_OUTPUT0 |
2870 GRC_LCLCTRL_GPIO_OUTPUT1),
2871 TG3_GRC_LCLCTL_PWRSW_DELAY);
2872 } else if (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5761 ||
2873 tp->pdev->device == TG3PCI_DEVICE_TIGON3_5761S) {
2874 /* The 5761 non-e device swaps GPIO 0 and GPIO 2. */
2875 u32 grc_local_ctrl = GRC_LCLCTRL_GPIO_OE0 |
2876 GRC_LCLCTRL_GPIO_OE1 |
2877 GRC_LCLCTRL_GPIO_OE2 |
2878 GRC_LCLCTRL_GPIO_OUTPUT0 |
2879 GRC_LCLCTRL_GPIO_OUTPUT1 |
2880 tp->grc_local_ctrl;
2881 tw32_wait_f(GRC_LOCAL_CTRL, grc_local_ctrl,
2882 TG3_GRC_LCLCTL_PWRSW_DELAY);
2883
2884 grc_local_ctrl |= GRC_LCLCTRL_GPIO_OUTPUT2;
2885 tw32_wait_f(GRC_LOCAL_CTRL, grc_local_ctrl,
2886 TG3_GRC_LCLCTL_PWRSW_DELAY);
2887
2888 grc_local_ctrl &= ~GRC_LCLCTRL_GPIO_OUTPUT0;
2889 tw32_wait_f(GRC_LOCAL_CTRL, grc_local_ctrl,
2890 TG3_GRC_LCLCTL_PWRSW_DELAY);
2891 } else {
2892 u32 no_gpio2;
2893 u32 grc_local_ctrl = 0;
2894
2895 /* Workaround to prevent overdrawing Amps. */
4153577a 2896 if (tg3_asic_rev(tp) == ASIC_REV_5714) {
520b2756
MC		 2897 grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
2898 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2899 grc_local_ctrl,
2900 TG3_GRC_LCLCTL_PWRSW_DELAY);
2901 }
2902
2903 /* On 5753 and variants, GPIO2 cannot be used. */
2904 no_gpio2 = tp->nic_sram_data_cfg &
2905 NIC_SRAM_DATA_CFG_NO_GPIO2;
2906
2907 grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE0 |
2908 GRC_LCLCTRL_GPIO_OE1 |
2909 GRC_LCLCTRL_GPIO_OE2 |
2910 GRC_LCLCTRL_GPIO_OUTPUT1 |
2911 GRC_LCLCTRL_GPIO_OUTPUT2;
2912 if (no_gpio2) {
2913 grc_local_ctrl &= ~(GRC_LCLCTRL_GPIO_OE2 |
2914 GRC_LCLCTRL_GPIO_OUTPUT2);
2915 }
2916 tw32_wait_f(GRC_LOCAL_CTRL,
2917 tp->grc_local_ctrl | grc_local_ctrl,
2918 TG3_GRC_LCLCTL_PWRSW_DELAY);
2919
2920 grc_local_ctrl |= GRC_LCLCTRL_GPIO_OUTPUT0;
2921
2922 tw32_wait_f(GRC_LOCAL_CTRL,
2923 tp->grc_local_ctrl | grc_local_ctrl,
2924 TG3_GRC_LCLCTL_PWRSW_DELAY);
2925
2926 if (!no_gpio2) {
2927 grc_local_ctrl &= ~GRC_LCLCTRL_GPIO_OUTPUT2;
2928 tw32_wait_f(GRC_LOCAL_CTRL,
2929 tp->grc_local_ctrl | grc_local_ctrl,
2930 TG3_GRC_LCLCTL_PWRSW_DELAY);
2931 }
2932 }
3a1e19d3
MC		 2933}
2934
cd0d7228 2935static void tg3_frob_aux_power_5717(struct tg3 *tp, bool wol_enable)
3a1e19d3
MC		 2936{
2937 u32 msg = 0;
2938
2939 /* Serialize power state transitions */
2940 if (tg3_ape_lock(tp, TG3_APE_LOCK_GPIO))
2941 return;
2942
cd0d7228 2943 if (tg3_flag(tp, ENABLE_ASF) || tg3_flag(tp, ENABLE_APE) || wol_enable)
3a1e19d3
MC		 2944 msg = TG3_GPIO_MSG_NEED_VAUX;
2945
2946 msg = tg3_set_function_status(tp, msg);
2947
2948 if (msg & TG3_GPIO_MSG_ALL_DRVR_PRES_MASK)
2949 goto done;
6f5c8f83 2950
3a1e19d3
MC		 2951 if (msg & TG3_GPIO_MSG_ALL_NEED_VAUX_MASK)
2952 tg3_pwrsrc_switch_to_vaux(tp);
2953 else
2954 tg3_pwrsrc_die_with_vmain(tp);
2955
2956done:
6f5c8f83 2957 tg3_ape_unlock(tp, TG3_APE_LOCK_GPIO);
520b2756
MC		 2958}
2959
cd0d7228 2960static void tg3_frob_aux_power(struct tg3 *tp, bool include_wol)
1da177e4 2961{
683644b7 2962 bool need_vaux = false;
1da177e4 2963
334355aa 2964 /* The GPIOs do something completely different on 57765. */
55086ad9 2965 if (!tg3_flag(tp, IS_NIC) || tg3_flag(tp, 57765_CLASS))
1da177e4
LT		 2966 return;
2967
4153577a
JP		 2968 if (tg3_asic_rev(tp) == ASIC_REV_5717 ||
2969 tg3_asic_rev(tp) == ASIC_REV_5719 ||
2970 tg3_asic_rev(tp) == ASIC_REV_5720) {
cd0d7228
MC		 2971 tg3_frob_aux_power_5717(tp, include_wol ?
2972 tg3_flag(tp, WOL_ENABLE) != 0 : 0);
3a1e19d3
MC		 2973 return;
2974 }
2975
2976 if (tp->pdev_peer && tp->pdev_peer != tp->pdev) {
8c2dc7e1
MC		 2977 struct net_device *dev_peer;
2978
2979 dev_peer = pci_get_drvdata(tp->pdev_peer);
683644b7 2980
bc1c7567 2981 /* remove_one() may have been run on the peer. */
683644b7
MC		 2982 if (dev_peer) {
2983 struct tg3 *tp_peer = netdev_priv(dev_peer);
2984
63c3a66f 2985 if (tg3_flag(tp_peer, INIT_COMPLETE))
683644b7
MC		 2986 return;
2987
cd0d7228 2988 if ((include_wol && tg3_flag(tp_peer, WOL_ENABLE)) ||
63c3a66f 2989 tg3_flag(tp_peer, ENABLE_ASF))
683644b7
MC		 2990 need_vaux = true;
2991 }
1da177e4
LT		 2992 }
2993
cd0d7228
MC		 2994 if ((include_wol && tg3_flag(tp, WOL_ENABLE)) ||
2995 tg3_flag(tp, ENABLE_ASF))
683644b7
MC		 2996 need_vaux = true;
2997
520b2756
MC		 2998 if (need_vaux)
2999 tg3_pwrsrc_switch_to_vaux(tp);
3000 else
3001 tg3_pwrsrc_die_with_vmain(tp);
1da177e4
LT		 3002}
3003
e8f3f6ca
MC		 3004static int tg3_5700_link_polarity(struct tg3 *tp, u32 speed)
3005{
3006 if (tp->led_ctrl == LED_CTRL_MODE_PHY_2)
3007 return 1;
79eb6904 3008 else if ((tp->phy_id & TG3_PHY_ID_MASK) == TG3_PHY_ID_BCM5411) {
e8f3f6ca
MC		 3009 if (speed != SPEED_10)
3010 return 1;
3011 } else if (speed == SPEED_10)
3012 return 1;
3013
3014 return 0;
3015}
3016
44f3b503
NS		 3017static bool tg3_phy_power_bug(struct tg3 *tp)
3018{
3019 switch (tg3_asic_rev(tp)) {
3020 case ASIC_REV_5700:
3021 case ASIC_REV_5704:
3022 return true;
3023 case ASIC_REV_5780:
3024 if (tp->phy_flags & TG3_PHYFLG_MII_SERDES)
3025 return true;
3026 return false;
3027 case ASIC_REV_5717:
3028 if (!tp->pci_fn)
3029 return true;
3030 return false;
3031 case ASIC_REV_5719:
3032 case ASIC_REV_5720:
3033 if ((tp->phy_flags & TG3_PHYFLG_PHY_SERDES) &&
3034 !tp->pci_fn)
3035 return true;
3036 return false;
3037 }
3038
3039 return false;
3040}
3041
989038e2
NS		 3042static bool tg3_phy_led_bug(struct tg3 *tp)
3043{
3044 switch (tg3_asic_rev(tp)) {
3045 case ASIC_REV_5719:
300cf9b9 3046 case ASIC_REV_5720:
989038e2
NS		 3047 if ((tp->phy_flags & TG3_PHYFLG_MII_SERDES) &&
3048 !tp->pci_fn)
3049 return true;
3050 return false;
3051 }
3052
3053 return false;
3054}
3055
0a459aac 3056static void tg3_power_down_phy(struct tg3 *tp, bool do_low_power)
15c3b696 3057{
ce057f01
MC		 3058 u32 val;
3059
942d1af0
NS		 3060 if (tp->phy_flags & TG3_PHYFLG_KEEP_LINK_ON_PWRDN)
3061 return;
3062
f07e9af3 3063 if (tp->phy_flags & TG3_PHYFLG_PHY_SERDES) {
4153577a 3064 if (tg3_asic_rev(tp) == ASIC_REV_5704) {
5129724a
MC		 3065 u32 sg_dig_ctrl = tr32(SG_DIG_CTRL);
3066 u32 serdes_cfg = tr32(MAC_SERDES_CFG);
3067
3068 sg_dig_ctrl |=
3069 SG_DIG_USING_HW_AUTONEG | SG_DIG_SOFT_RESET;
3070 tw32(SG_DIG_CTRL, sg_dig_ctrl);
3071 tw32(MAC_SERDES_CFG, serdes_cfg | (1 << 15));
3072 }
3f7045c1 3073 return;
5129724a 3074 }
3f7045c1 3075
4153577a 3076 if (tg3_asic_rev(tp) == ASIC_REV_5906) {
60189ddf
MC		 3077 tg3_bmcr_reset(tp);
3078 val = tr32(GRC_MISC_CFG);
3079 tw32_f(GRC_MISC_CFG, val | GRC_MISC_CFG_EPHY_IDDQ);
3080 udelay(40);
3081 return;
f07e9af3 3082 } else if (tp->phy_flags & TG3_PHYFLG_IS_FET) {
0e5f784c
MC		 3083 u32 phytest;
3084 if (!tg3_readphy(tp, MII_TG3_FET_TEST, &phytest)) {
3085 u32 phy;
3086
3087 tg3_writephy(tp, MII_ADVERTISE, 0);
3088 tg3_writephy(tp, MII_BMCR,
3089 BMCR_ANENABLE | BMCR_ANRESTART);
3090
3091 tg3_writephy(tp, MII_TG3_FET_TEST,
3092 phytest | MII_TG3_FET_SHADOW_EN);
3093 if (!tg3_readphy(tp, MII_TG3_FET_SHDW_AUXMODE4, &phy)) {
3094 phy |= MII_TG3_FET_SHDW_AUXMODE4_SBPD;
3095 tg3_writephy(tp,
3096 MII_TG3_FET_SHDW_AUXMODE4,
3097 phy);
3098 }
3099 tg3_writephy(tp, MII_TG3_FET_TEST, phytest);
3100 }
3101 return;
0a459aac 3102 } else if (do_low_power) {
989038e2
NS		 3103 if (!tg3_phy_led_bug(tp))
3104 tg3_writephy(tp, MII_TG3_EXT_CTRL,
3105 MII_TG3_EXT_CTRL_FORCE_LED_OFF);
0a459aac 3106
b4bd2929
MC		 3107 val = MII_TG3_AUXCTL_PCTL_100TX_LPWR |
3108 MII_TG3_AUXCTL_PCTL_SPR_ISOLATE |
3109 MII_TG3_AUXCTL_PCTL_VREG_11V;
3110 tg3_phy_auxctl_write(tp, MII_TG3_AUXCTL_SHDWSEL_PWRCTL, val);
715116a1 3111 }
3f7045c1 3112
15c3b696
MC		 3113 /* The PHY should not be powered down on some chips because
3114 * of bugs.
3115 */
44f3b503 3116 if (tg3_phy_power_bug(tp))
15c3b696 3117 return;
ce057f01 3118
4153577a
JP		 3119 if (tg3_chip_rev(tp) == CHIPREV_5784_AX ||
3120 tg3_chip_rev(tp) == CHIPREV_5761_AX) {
ce057f01
MC		 3121 val = tr32(TG3_CPMU_LSPD_1000MB_CLK);
3122 val &= ~CPMU_LSPD_1000MB_MACCLK_MASK;
3123 val |= CPMU_LSPD_1000MB_MACCLK_12_5;
3124 tw32_f(TG3_CPMU_LSPD_1000MB_CLK, val);
3125 }
3126
15c3b696
MC		 3127 tg3_writephy(tp, MII_BMCR, BMCR_PDOWN);
3128}
3129
ffbcfed4
MC		 3130/* tp->lock is held. */
3131static int tg3_nvram_lock(struct tg3 *tp)
3132{
63c3a66f 3133 if (tg3_flag(tp, NVRAM)) {
ffbcfed4
MC		 3134 int i;
3135
3136 if (tp->nvram_lock_cnt == 0) {
3137 tw32(NVRAM_SWARB, SWARB_REQ_SET1);
3138 for (i = 0; i < 8000; i++) {
3139 if (tr32(NVRAM_SWARB) & SWARB_GNT1)
3140 break;
3141 udelay(20);
3142 }
3143 if (i == 8000) {
3144 tw32(NVRAM_SWARB, SWARB_REQ_CLR1);
3145 return -ENODEV;
3146 }
3147 }
3148 tp->nvram_lock_cnt++;
3149 }
3150 return 0;
3151}
3152
3153/* tp->lock is held. */
3154static void tg3_nvram_unlock(struct tg3 *tp)
3155{
63c3a66f 3156 if (tg3_flag(tp, NVRAM)) {
ffbcfed4
MC		 3157 if (tp->nvram_lock_cnt > 0)
3158 tp->nvram_lock_cnt--;
3159 if (tp->nvram_lock_cnt == 0)
3160 tw32_f(NVRAM_SWARB, SWARB_REQ_CLR1);
3161 }
3162}
3163
3164/* tp->lock is held. */
3165static void tg3_enable_nvram_access(struct tg3 *tp)
3166{
63c3a66f 3167 if (tg3_flag(tp, 5750_PLUS) && !tg3_flag(tp, PROTECTED_NVRAM)) {
ffbcfed4
MC		 3168 u32 nvaccess = tr32(NVRAM_ACCESS);
3169
3170 tw32(NVRAM_ACCESS, nvaccess | ACCESS_ENABLE);
3171 }
3172}
3173
3174/* tp->lock is held. */
3175static void tg3_disable_nvram_access(struct tg3 *tp)
3176{
63c3a66f 3177 if (tg3_flag(tp, 5750_PLUS) && !tg3_flag(tp, PROTECTED_NVRAM)) {
ffbcfed4
MC		 3178 u32 nvaccess = tr32(NVRAM_ACCESS);
3179
3180 tw32(NVRAM_ACCESS, nvaccess & ~ACCESS_ENABLE);
3181 }
3182}
3183
3184static int tg3_nvram_read_using_eeprom(struct tg3 *tp,
3185 u32 offset, u32 *val)
3186{
3187 u32 tmp;
3188 int i;
3189
3190 if (offset > EEPROM_ADDR_ADDR_MASK || (offset % 4) != 0)
3191 return -EINVAL;
3192
3193 tmp = tr32(GRC_EEPROM_ADDR) & ~(EEPROM_ADDR_ADDR_MASK |
3194 EEPROM_ADDR_DEVID_MASK |
3195 EEPROM_ADDR_READ);
3196 tw32(GRC_EEPROM_ADDR,
3197 tmp |
3198 (0 << EEPROM_ADDR_DEVID_SHIFT) |
3199 ((offset << EEPROM_ADDR_ADDR_SHIFT) &
3200 EEPROM_ADDR_ADDR_MASK) |
3201 EEPROM_ADDR_READ | EEPROM_ADDR_START);
3202
3203 for (i = 0; i < 1000; i++) {
3204 tmp = tr32(GRC_EEPROM_ADDR);
3205
3206 if (tmp & EEPROM_ADDR_COMPLETE)
3207 break;
3208 msleep(1);
3209 }
3210 if (!(tmp & EEPROM_ADDR_COMPLETE))
3211 return -EBUSY;
3212
62cedd11
MC		 3213 tmp = tr32(GRC_EEPROM_DATA);
3214
3215 /*
3216 * The data will always be opposite the native endian
3217 * format. Perform a blind byteswap to compensate.
3218 */
3219 *val = swab32(tmp);
3220
ffbcfed4
MC		 3221 return 0;
3222}
3223
8a4816ca 3224#define NVRAM_CMD_TIMEOUT 10000
ffbcfed4
MC		 3225
3226static int tg3_nvram_exec_cmd(struct tg3 *tp, u32 nvram_cmd)
3227{
3228 int i;
3229
3230 tw32(NVRAM_CMD, nvram_cmd);
3231 for (i = 0; i < NVRAM_CMD_TIMEOUT; i++) {
66c965f5 3232 usleep_range(10, 40);
ffbcfed4
MC		 3233 if (tr32(NVRAM_CMD) & NVRAM_CMD_DONE) {
3234 udelay(10);
3235 break;
3236 }
3237 }
3238
3239 if (i == NVRAM_CMD_TIMEOUT)
3240 return -EBUSY;
3241
3242 return 0;
3243}
3244
3245static u32 tg3_nvram_phys_addr(struct tg3 *tp, u32 addr)
3246{
63c3a66f
JP		 3247 if (tg3_flag(tp, NVRAM) &&
3248 tg3_flag(tp, NVRAM_BUFFERED) &&
3249 tg3_flag(tp, FLASH) &&
3250 !tg3_flag(tp, NO_NVRAM_ADDR_TRANS) &&
ffbcfed4
MC		 3251 (tp->nvram_jedecnum == JEDEC_ATMEL))
3252
3253 addr = ((addr / tp->nvram_pagesize) <<
3254 ATMEL_AT45DB0X1B_PAGE_POS) +
3255 (addr % tp->nvram_pagesize);
3256
3257 return addr;
3258}
3259
3260static u32 tg3_nvram_logical_addr(struct tg3 *tp, u32 addr)
3261{
63c3a66f
JP		 3262 if (tg3_flag(tp, NVRAM) &&
3263 tg3_flag(tp, NVRAM_BUFFERED) &&
3264 tg3_flag(tp, FLASH) &&
3265 !tg3_flag(tp, NO_NVRAM_ADDR_TRANS) &&
ffbcfed4
MC		 3266 (tp->nvram_jedecnum == JEDEC_ATMEL))
3267
3268 addr = ((addr >> ATMEL_AT45DB0X1B_PAGE_POS) *
3269 tp->nvram_pagesize) +
3270 (addr & ((1 << ATMEL_AT45DB0X1B_PAGE_POS) - 1));
3271
3272 return addr;
3273}
3274
e4f34110
MC		 3275/* NOTE: Data read in from NVRAM is byteswapped according to
3276 * the byteswapping settings for all other register accesses.
3277 * tg3 devices are BE devices, so on a BE machine, the data
3278 * returned will be exactly as it is seen in NVRAM. On a LE
3279 * machine, the 32-bit value will be byteswapped.
3280 */
ffbcfed4
MC		 3281static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val)
3282{
3283 int ret;
3284
63c3a66f 3285 if (!tg3_flag(tp, NVRAM))
ffbcfed4
MC		 3286 return tg3_nvram_read_using_eeprom(tp, offset, val);
3287
3288 offset = tg3_nvram_phys_addr(tp, offset);
3289
3290 if (offset > NVRAM_ADDR_MSK)
3291 return -EINVAL;
3292
3293 ret = tg3_nvram_lock(tp);
3294 if (ret)
3295 return ret;
3296
3297 tg3_enable_nvram_access(tp);
3298
3299 tw32(NVRAM_ADDR, offset);
3300 ret = tg3_nvram_exec_cmd(tp, NVRAM_CMD_RD | NVRAM_CMD_GO |
3301 NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_DONE);
3302
3303 if (ret == 0)
e4f34110 3304 *val = tr32(NVRAM_RDDATA);
ffbcfed4
MC		 3305
3306 tg3_disable_nvram_access(tp);
3307
3308 tg3_nvram_unlock(tp);
3309
3310 return ret;
3311}
3312
a9dc529d
MC		 3313/* Ensures NVRAM data is in bytestream format. */
3314static int tg3_nvram_read_be32(struct tg3 *tp, u32 offset, __be32 *val)
ffbcfed4
MC		 3315{
3316 u32 v;
a9dc529d 3317 int res = tg3_nvram_read(tp, offset, &v);
ffbcfed4 3318 if (!res)
a9dc529d 3319 *val = cpu_to_be32(v);
ffbcfed4
MC		 3320 return res;
3321}
3322
dbe9b92a
MC		 3323static int tg3_nvram_write_block_using_eeprom(struct tg3 *tp,
3324 u32 offset, u32 len, u8 *buf)
3325{
3326 int i, j, rc = 0;
3327 u32 val;
3328
3329 for (i = 0; i < len; i += 4) {
3330 u32 addr;
3331 __be32 data;
3332
3333 addr = offset + i;
3334
3335 memcpy(&data, buf + i, 4);
3336
3337 /*
3338 * The SEEPROM interface expects the data to always be opposite
3339 * the native endian format. We accomplish this by reversing
3340 * all the operations that would have been performed on the
3341 * data from a call to tg3_nvram_read_be32().
3342 */
3343 tw32(GRC_EEPROM_DATA, swab32(be32_to_cpu(data)));
3344
3345 val = tr32(GRC_EEPROM_ADDR);
3346 tw32(GRC_EEPROM_ADDR, val | EEPROM_ADDR_COMPLETE);
3347
3348 val &= ~(EEPROM_ADDR_ADDR_MASK | EEPROM_ADDR_DEVID_MASK |
3349 EEPROM_ADDR_READ);
3350 tw32(GRC_EEPROM_ADDR, val |
3351 (0 << EEPROM_ADDR_DEVID_SHIFT) |
3352 (addr & EEPROM_ADDR_ADDR_MASK) |
3353 EEPROM_ADDR_START |
3354 EEPROM_ADDR_WRITE);
3355
3356 for (j = 0; j < 1000; j++) {
3357 val = tr32(GRC_EEPROM_ADDR);
3358
3359 if (val & EEPROM_ADDR_COMPLETE)
3360 break;
3361 msleep(1);
3362 }
3363 if (!(val & EEPROM_ADDR_COMPLETE)) {
3364 rc = -EBUSY;
3365 break;
3366 }
3367 }
3368
3369 return rc;
3370}
3371
3372/* offset and length are dword aligned */
3373static int tg3_nvram_write_block_unbuffered(struct tg3 *tp, u32 offset, u32 len,
3374 u8 *buf)
3375{
3376 int ret = 0;
3377 u32 pagesize = tp->nvram_pagesize;
3378 u32 pagemask = pagesize - 1;
3379 u32 nvram_cmd;
3380 u8 *tmp;
3381
3382 tmp = kmalloc(pagesize, GFP_KERNEL);
3383 if (tmp == NULL)
3384 return -ENOMEM;
3385
3386 while (len) {
3387 int j;
3388 u32 phy_addr, page_off, size;
3389
3390 phy_addr = offset & ~pagemask;
3391
3392 for (j = 0; j < pagesize; j += 4) {
3393 ret = tg3_nvram_read_be32(tp, phy_addr + j,
3394 (__be32 *) (tmp + j));
3395 if (ret)
3396 break;
3397 }
3398 if (ret)
3399 break;
3400
3401 page_off = offset & pagemask;
3402 size = pagesize;
3403 if (len < size)
3404 size = len;
3405
3406 len -= size;
3407
3408 memcpy(tmp + page_off, buf, size);
3409
3410 offset = offset + (pagesize - page_off);
3411
3412 tg3_enable_nvram_access(tp);
3413
3414 /*
3415 * Before we can erase the flash page, we need
3416 * to issue a special "write enable" command.
3417 */
3418 nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
3419
3420 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
3421 break;
3422
3423 /* Erase the target page */
3424 tw32(NVRAM_ADDR, phy_addr);
3425
3426 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR |
3427 NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_ERASE;
3428
3429 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
3430 break;
3431
3432 /* Issue another write enable to start the write. */
3433 nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
3434
3435 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
3436 break;
3437
3438 for (j = 0; j < pagesize; j += 4) {
3439 __be32 data;
3440
3441 data = *((__be32 *) (tmp + j));
3442
3443 tw32(NVRAM_WRDATA, be32_to_cpu(data));
3444
3445 tw32(NVRAM_ADDR, phy_addr + j);
3446
3447 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE |
3448 NVRAM_CMD_WR;
3449
3450 if (j == 0)
3451 nvram_cmd |= NVRAM_CMD_FIRST;
3452 else if (j == (pagesize - 4))
3453 nvram_cmd |= NVRAM_CMD_LAST;
3454
3455 ret = tg3_nvram_exec_cmd(tp, nvram_cmd);
3456 if (ret)
3457 break;
3458 }
3459 if (ret)
3460 break;
3461 }
3462
3463 nvram_cmd = NVRAM_CMD_WRDI | NVRAM_CMD_GO | NVRAM_CMD_DONE;
3464 tg3_nvram_exec_cmd(tp, nvram_cmd);
3465
3466 kfree(tmp);
3467
3468 return ret;
3469}
3470
3471/* offset and length are dword aligned */
3472static int tg3_nvram_write_block_buffered(struct tg3 *tp, u32 offset, u32 len,
3473 u8 *buf)
3474{
3475 int i, ret = 0;
3476
3477 for (i = 0; i < len; i += 4, offset += 4) {
3478 u32 page_off, phy_addr, nvram_cmd;
3479 __be32 data;
3480
3481 memcpy(&data, buf + i, 4);
3482 tw32(NVRAM_WRDATA, be32_to_cpu(data));
3483
3484 page_off = offset % tp->nvram_pagesize;
3485
3486 phy_addr = tg3_nvram_phys_addr(tp, offset);
3487
dbe9b92a
MC		 3488 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR;
3489
3490 if (page_off == 0 || i == 0)
3491 nvram_cmd |= NVRAM_CMD_FIRST;
3492 if (page_off == (tp->nvram_pagesize - 4))
3493 nvram_cmd |= NVRAM_CMD_LAST;
3494
3495 if (i == (len - 4))
3496 nvram_cmd |= NVRAM_CMD_LAST;
3497
42278224
MC		 3498 if ((nvram_cmd & NVRAM_CMD_FIRST) ||
3499 !tg3_flag(tp, FLASH) ||
3500 !tg3_flag(tp, 57765_PLUS))
3501 tw32(NVRAM_ADDR, phy_addr);
3502
4153577a 3503 if (tg3_asic_rev(tp) != ASIC_REV_5752 &&
dbe9b92a
MC		 3504 !tg3_flag(tp, 5755_PLUS) &&
3505 (tp->nvram_jedecnum == JEDEC_ST) &&
3506 (nvram_cmd & NVRAM_CMD_FIRST)) {
3507 u32 cmd;
3508
3509 cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
3510 ret = tg3_nvram_exec_cmd(tp, cmd);
3511 if (ret)
3512 break;
3513 }
3514 if (!tg3_flag(tp, FLASH)) {
3515 /* We always do complete word writes to eeprom. */
3516 nvram_cmd |= (NVRAM_CMD_FIRST | NVRAM_CMD_LAST);
3517 }
3518
3519 ret = tg3_nvram_exec_cmd(tp, nvram_cmd);
3520 if (ret)
3521 break;
3522 }
3523 return ret;
3524}
3525
3526/* offset and length are dword aligned */
3527static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf)
3528{
3529 int ret;
3530
3531 if (tg3_flag(tp, EEPROM_WRITE_PROT)) {
3532 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl &
3533 ~GRC_LCLCTRL_GPIO_OUTPUT1);
3534 udelay(40);
3535 }
3536
3537 if (!tg3_flag(tp, NVRAM)) {
3538 ret = tg3_nvram_write_block_using_eeprom(tp, offset, len, buf);
3539 } else {
3540 u32 grc_mode;
3541
3542 ret = tg3_nvram_lock(tp);
3543 if (ret)
3544 return ret;
3545
3546 tg3_enable_nvram_access(tp);
3547 if (tg3_flag(tp, 5750_PLUS) && !tg3_flag(tp, PROTECTED_NVRAM))
3548 tw32(NVRAM_WRITE1, 0x406);
3549
3550 grc_mode = tr32(GRC_MODE);
3551 tw32(GRC_MODE, grc_mode | GRC_MODE_NVRAM_WR_ENABLE);
3552
3553 if (tg3_flag(tp, NVRAM_BUFFERED) || !tg3_flag(tp, FLASH)) {
3554 ret = tg3_nvram_write_block_buffered(tp, offset, len,
3555 buf);
3556 } else {
3557 ret = tg3_nvram_write_block_unbuffered(tp, offset, len,
3558 buf);
3559 }
3560
3561 grc_mode = tr32(GRC_MODE);
3562 tw32(GRC_MODE, grc_mode & ~GRC_MODE_NVRAM_WR_ENABLE);
3563
3564 tg3_disable_nvram_access(tp);
3565 tg3_nvram_unlock(tp);
3566 }
3567
3568 if (tg3_flag(tp, EEPROM_WRITE_PROT)) {
3569 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
3570 udelay(40);
3571 }
3572
3573 return ret;
3574}
3575
997b4f13
MC		 3576#define RX_CPU_SCRATCH_BASE 0x30000
3577#define RX_CPU_SCRATCH_SIZE 0x04000
3578#define TX_CPU_SCRATCH_BASE 0x34000
3579#define TX_CPU_SCRATCH_SIZE 0x04000
3580
3581/* tp->lock is held. */
837c45bb 3582static int tg3_pause_cpu(struct tg3 *tp, u32 cpu_base)
997b4f13
MC		 3583{
3584 int i;
837c45bb 3585 const int iters = 10000;
997b4f13 3586
837c45bb
NS		 3587 for (i = 0; i < iters; i++) {
3588 tw32(cpu_base + CPU_STATE, 0xffffffff);
3589 tw32(cpu_base + CPU_MODE, CPU_MODE_HALT);
3590 if (tr32(cpu_base + CPU_MODE) & CPU_MODE_HALT)
3591 break;
6d446ec3
GS		 3592 if (pci_channel_offline(tp->pdev))
3593 return -EBUSY;
837c45bb
NS		 3594 }
3595
3596 return (i == iters) ? -EBUSY : 0;
3597}
3598
3599/* tp->lock is held. */
3600static int tg3_rxcpu_pause(struct tg3 *tp)
3601{
3602 int rc = tg3_pause_cpu(tp, RX_CPU_BASE);
3603
3604 tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
3605 tw32_f(RX_CPU_BASE + CPU_MODE, CPU_MODE_HALT);
3606 udelay(10);
3607
3608 return rc;
3609}
3610
3611/* tp->lock is held. */
3612static int tg3_txcpu_pause(struct tg3 *tp)
3613{
3614 return tg3_pause_cpu(tp, TX_CPU_BASE);
3615}
3616
3617/* tp->lock is held. */
3618static void tg3_resume_cpu(struct tg3 *tp, u32 cpu_base)
3619{
3620 tw32(cpu_base + CPU_STATE, 0xffffffff);
3621 tw32_f(cpu_base + CPU_MODE, 0x00000000);
3622}
3623
3624/* tp->lock is held. */
3625static void tg3_rxcpu_resume(struct tg3 *tp)
3626{
3627 tg3_resume_cpu(tp, RX_CPU_BASE);
3628}
3629
3630/* tp->lock is held. */
3631static int tg3_halt_cpu(struct tg3 *tp, u32 cpu_base)
3632{
3633 int rc;
3634
3635 BUG_ON(cpu_base == TX_CPU_BASE && tg3_flag(tp, 5705_PLUS));
997b4f13 3636
4153577a 3637 if (tg3_asic_rev(tp) == ASIC_REV_5906) {
997b4f13
MC		 3638 u32 val = tr32(GRC_VCPU_EXT_CTRL);
3639
3640 tw32(GRC_VCPU_EXT_CTRL, val | GRC_VCPU_EXT_CTRL_HALT_CPU);
3641 return 0;
3642 }
837c45bb
NS		 3643 if (cpu_base == RX_CPU_BASE) {
3644 rc = tg3_rxcpu_pause(tp);
997b4f13 3645 } else {
7e6c63f0
HM		 3646 /*
3647 * There is only an Rx CPU for the 5750 derivative in the
3648 * BCM4785.
3649 */
3650 if (tg3_flag(tp, IS_SSB_CORE))
3651 return 0;
3652
837c45bb 3653 rc = tg3_txcpu_pause(tp);
997b4f13
MC		 3654 }
3655
837c45bb 3656 if (rc) {
997b4f13 3657 netdev_err(tp->dev, "%s timed out, %s CPU\n",
837c45bb 3658 __func__, cpu_base == RX_CPU_BASE ? "RX" : "TX");
997b4f13
MC		 3659 return -ENODEV;
3660 }
3661
3662 /* Clear firmware's nvram arbitration. */
3663 if (tg3_flag(tp, NVRAM))
3664 tw32(NVRAM_SWARB, SWARB_REQ_CLR0);
3665 return 0;
3666}
3667
31f11a95
NS		 3668static int tg3_fw_data_len(struct tg3 *tp,
3669 const struct tg3_firmware_hdr *fw_hdr)
3670{
3671 int fw_len;
3672
3673 /* Non fragmented firmware have one firmware header followed by a
3674 * contiguous chunk of data to be written. The length field in that
3675 * header is not the length of data to be written but the complete
3676 * length of the bss. The data length is determined based on
3677 * tp->fw->size minus headers.
3678 *
3679 * Fragmented firmware have a main header followed by multiple
3680 * fragments. Each fragment is identical to non fragmented firmware
3681 * with a firmware header followed by a contiguous chunk of data. In
3682 * the main header, the length field is unused and set to 0xffffffff.
3683 * In each fragment header the length is the entire size of that
3684 * fragment i.e. fragment data + header length. Data length is
3685 * therefore length field in the header minus TG3_FW_HDR_LEN.
3686 */
3687 if (tp->fw_len == 0xffffffff)
3688 fw_len = be32_to_cpu(fw_hdr->len);
3689 else
3690 fw_len = tp->fw->size;
3691
3692 return (fw_len - TG3_FW_HDR_LEN) / sizeof(u32);
3693}
3694
997b4f13
MC		 3695/* tp->lock is held. */
3696static int tg3_load_firmware_cpu(struct tg3 *tp, u32 cpu_base,
3697 u32 cpu_scratch_base, int cpu_scratch_size,
77997ea3 3698 const struct tg3_firmware_hdr *fw_hdr)
997b4f13 3699{
c4dab506 3700 int err, i;
997b4f13 3701 void (*write_op)(struct tg3 *, u32, u32);
31f11a95 3702 int total_len = tp->fw->size;
997b4f13
MC		 3703
3704 if (cpu_base == TX_CPU_BASE && tg3_flag(tp, 5705_PLUS)) {
3705 netdev_err(tp->dev,
3706 "%s: Trying to load TX cpu firmware which is 5705\n",
3707 __func__);
3708 return -EINVAL;
3709 }
3710
c4dab506 3711 if (tg3_flag(tp, 5705_PLUS) && tg3_asic_rev(tp) != ASIC_REV_57766)
997b4f13
MC		 3712 write_op = tg3_write_mem;
3713 else
3714 write_op = tg3_write_indirect_reg32;
3715
c4dab506
NS		 3716 if (tg3_asic_rev(tp) != ASIC_REV_57766) {
3717 /* It is possible that bootcode is still loading at this point.
3718 * Get the nvram lock first before halting the cpu.
3719 */
3720 int lock_err = tg3_nvram_lock(tp);
3721 err = tg3_halt_cpu(tp, cpu_base);
3722 if (!lock_err)
3723 tg3_nvram_unlock(tp);
3724 if (err)
3725 goto out;
997b4f13 3726
c4dab506
NS		 3727 for (i = 0; i < cpu_scratch_size; i += sizeof(u32))
3728 write_op(tp, cpu_scratch_base + i, 0);
3729 tw32(cpu_base + CPU_STATE, 0xffffffff);
3730 tw32(cpu_base + CPU_MODE,
3731 tr32(cpu_base + CPU_MODE) | CPU_MODE_HALT);
3732 } else {
3733 /* Subtract additional main header for fragmented firmware and
3734 * advance to the first fragment
3735 */
3736 total_len -= TG3_FW_HDR_LEN;
3737 fw_hdr++;
3738 }
77997ea3 3739
31f11a95 3740 do {
76d37e4f 3741 __be32 *fw_data = (__be32 *)(fw_hdr + 1);
31f11a95
NS		 3742 for (i = 0; i < tg3_fw_data_len(tp, fw_hdr); i++)
3743 write_op(tp, cpu_scratch_base +
3744 (be32_to_cpu(fw_hdr->base_addr) & 0xffff) +
3745 (i * sizeof(u32)),
3746 be32_to_cpu(fw_data[i]));
3747
3748 total_len -= be32_to_cpu(fw_hdr->len);
3749
3750 /* Advance to next fragment */
3751 fw_hdr = (struct tg3_firmware_hdr *)
3752 ((void *)fw_hdr + be32_to_cpu(fw_hdr->len));
3753 } while (total_len > 0);
997b4f13
MC		 3754
3755 err = 0;
3756
3757out:
3758 return err;
3759}
3760
f4bffb28
NS		 3761/* tp->lock is held. */
3762static int tg3_pause_cpu_and_set_pc(struct tg3 *tp, u32 cpu_base, u32 pc)
3763{
3764 int i;
3765 const int iters = 5;
3766
3767 tw32(cpu_base + CPU_STATE, 0xffffffff);
3768 tw32_f(cpu_base + CPU_PC, pc);
3769
3770 for (i = 0; i < iters; i++) {
3771 if (tr32(cpu_base + CPU_PC) == pc)
3772 break;
3773 tw32(cpu_base + CPU_STATE, 0xffffffff);
3774 tw32(cpu_base + CPU_MODE, CPU_MODE_HALT);
3775 tw32_f(cpu_base + CPU_PC, pc);
3776 udelay(1000);
3777 }
3778
3779 return (i == iters) ? -EBUSY : 0;
3780}
3781
997b4f13
MC		 3782/* tp->lock is held. */
3783static int tg3_load_5701_a0_firmware_fix(struct tg3 *tp)
3784{
77997ea3 3785 const struct tg3_firmware_hdr *fw_hdr;
f4bffb28 3786 int err;
997b4f13 3787
77997ea3 3788 fw_hdr = (struct tg3_firmware_hdr *)tp->fw->data;
997b4f13
MC		 3789
3790 /* Firmware blob starts with version numbers, followed by
3791 start address and length. We are setting complete length.
3792 length = end_address_of_bss - start_address_of_text.
3793 Remainder is the blob to be loaded contiguously
3794 from start address. */
3795
997b4f13
MC		 3796 err = tg3_load_firmware_cpu(tp, RX_CPU_BASE,
3797 RX_CPU_SCRATCH_BASE, RX_CPU_SCRATCH_SIZE,
77997ea3 3798 fw_hdr);
997b4f13
MC		 3799 if (err)
3800 return err;
3801
3802 err = tg3_load_firmware_cpu(tp, TX_CPU_BASE,
3803 TX_CPU_SCRATCH_BASE, TX_CPU_SCRATCH_SIZE,
77997ea3 3804 fw_hdr);
997b4f13
MC		 3805 if (err)
3806 return err;
3807
3808 /* Now startup only the RX cpu. */
77997ea3
NS		 3809 err = tg3_pause_cpu_and_set_pc(tp, RX_CPU_BASE,
3810 be32_to_cpu(fw_hdr->base_addr));
f4bffb28 3811 if (err) {
997b4f13
MC		 3812 netdev_err(tp->dev, "%s fails to set RX CPU PC, is %08x "
3813 "should be %08x\n", __func__,
77997ea3
NS		 3814 tr32(RX_CPU_BASE + CPU_PC),
3815 be32_to_cpu(fw_hdr->base_addr));
997b4f13
MC		 3816 return -ENODEV;
3817 }
837c45bb
NS		 3818
3819 tg3_rxcpu_resume(tp);
997b4f13
MC		 3820
3821 return 0;
3822}
3823
c4dab506
NS		 3824static int tg3_validate_rxcpu_state(struct tg3 *tp)
3825{
3826 const int iters = 1000;
3827 int i;
3828 u32 val;
3829
3830 /* Wait for boot code to complete initialization and enter service
3831 * loop. It is then safe to download service patches
3832 */
3833 for (i = 0; i < iters; i++) {
3834 if (tr32(RX_CPU_HWBKPT) == TG3_SBROM_IN_SERVICE_LOOP)
3835 break;
3836
3837 udelay(10);
3838 }
3839
3840 if (i == iters) {
3841 netdev_err(tp->dev, "Boot code not ready for service patches\n");
3842 return -EBUSY;
3843 }
3844
3845 val = tg3_read_indirect_reg32(tp, TG3_57766_FW_HANDSHAKE);
3846 if (val & 0xff) {
3847 netdev_warn(tp->dev,
3848 "Other patches exist. Not downloading EEE patch\n");
3849 return -EEXIST;
3850 }
3851
3852 return 0;
3853}
3854
3855/* tp->lock is held. */
3856static void tg3_load_57766_firmware(struct tg3 *tp)
3857{
3858 struct tg3_firmware_hdr *fw_hdr;
3859
3860 if (!tg3_flag(tp, NO_NVRAM))
3861 return;
3862
3863 if (tg3_validate_rxcpu_state(tp))
3864 return;
3865
3866 if (!tp->fw)
3867 return;
3868
3869 /* This firmware blob has a different format than older firmware
3870 * releases as given below. The main difference is we have fragmented
3871 * data to be written to non-contiguous locations.
3872 *
3873 * In the beginning we have a firmware header identical to other
3874 * firmware which consists of version, base addr and length. The length
3875 * here is unused and set to 0xffffffff.
3876 *
3877 * This is followed by a series of firmware fragments which are
3878 * individually identical to previous firmware. i.e. they have the
3879 * firmware header and followed by data for that fragment. The version
3880 * field of the individual fragment header is unused.
3881 */
3882
3883 fw_hdr = (struct tg3_firmware_hdr *)tp->fw->data;
3884 if (be32_to_cpu(fw_hdr->base_addr) != TG3_57766_FW_BASE_ADDR)
3885 return;
3886
3887 if (tg3_rxcpu_pause(tp))
3888 return;
3889
3890 /* tg3_load_firmware_cpu() will always succeed for the 57766 */
3891 tg3_load_firmware_cpu(tp, 0, TG3_57766_FW_BASE_ADDR, 0, fw_hdr);
3892
3893 tg3_rxcpu_resume(tp);
3894}
3895
997b4f13
MC		 3896/* tp->lock is held. */
3897static int tg3_load_tso_firmware(struct tg3 *tp)
3898{
77997ea3 3899 const struct tg3_firmware_hdr *fw_hdr;
997b4f13 3900 unsigned long cpu_base, cpu_scratch_base, cpu_scratch_size;
f4bffb28 3901 int err;
997b4f13 3902
1caf13eb 3903 if (!tg3_flag(tp, FW_TSO))
997b4f13
MC		 3904 return 0;
3905
77997ea3 3906 fw_hdr = (struct tg3_firmware_hdr *)tp->fw->data;
997b4f13
MC		 3907
3908 /* Firmware blob starts with version numbers, followed by
3909 start address and length. We are setting complete length.
3910 length = end_address_of_bss - start_address_of_text.
3911 Remainder is the blob to be loaded contiguously
3912 from start address. */
3913
997b4f13 3914 cpu_scratch_size = tp->fw_len;
997b4f13 3915
4153577a 3916 if (tg3_asic_rev(tp) == ASIC_REV_5705) {
997b4f13
MC		 3917 cpu_base = RX_CPU_BASE;
3918 cpu_scratch_base = NIC_SRAM_MBUF_POOL_BASE5705;
3919 } else {
3920 cpu_base = TX_CPU_BASE;
3921 cpu_scratch_base = TX_CPU_SCRATCH_BASE;
3922 cpu_scratch_size = TX_CPU_SCRATCH_SIZE;
3923 }
3924
3925 err = tg3_load_firmware_cpu(tp, cpu_base,
3926 cpu_scratch_base, cpu_scratch_size,
77997ea3 3927 fw_hdr);
997b4f13
MC		 3928 if (err)
3929 return err;
3930
3931 /* Now startup the cpu. */
77997ea3
NS		 3932 err = tg3_pause_cpu_and_set_pc(tp, cpu_base,
3933 be32_to_cpu(fw_hdr->base_addr));
f4bffb28 3934 if (err) {
997b4f13
MC		 3935 netdev_err(tp->dev,
3936 "%s fails to set CPU PC, is %08x should be %08x\n",
77997ea3
NS		 3937 __func__, tr32(cpu_base + CPU_PC),
3938 be32_to_cpu(fw_hdr->base_addr));
997b4f13
MC		 3939 return -ENODEV;
3940 }
837c45bb
NS		 3941
3942 tg3_resume_cpu(tp, cpu_base);
997b4f13
MC		 3943 return 0;
3944}
3945
f022ae62 3946/* tp->lock is held. */
a04436b2
JK		 3947static void __tg3_set_one_mac_addr(struct tg3 *tp, const u8 *mac_addr,
3948 int index)
f022ae62
MC		 3949{
3950 u32 addr_high, addr_low;
3951
3952 addr_high = ((mac_addr[0] << 8) | mac_addr[1]);
3953 addr_low = ((mac_addr[2] << 24) | (mac_addr[3] << 16) |
3954 (mac_addr[4] << 8) | mac_addr[5]);
3955
3956 if (index < 4) {
3957 tw32(MAC_ADDR_0_HIGH + (index * 8), addr_high);
3958 tw32(MAC_ADDR_0_LOW + (index * 8), addr_low);
3959 } else {
3960 index -= 4;
3961 tw32(MAC_EXTADDR_0_HIGH + (index * 8), addr_high);
3962 tw32(MAC_EXTADDR_0_LOW + (index * 8), addr_low);
3963 }
3964}
997b4f13 3965
3f007891 3966/* tp->lock is held. */
953c96e0 3967static void __tg3_set_mac_addr(struct tg3 *tp, bool skip_mac_1)
3f007891 3968{
f022ae62 3969 u32 addr_high;
3f007891
MC		 3970 int i;
3971
3f007891
MC		 3972 for (i = 0; i < 4; i++) {
3973 if (i == 1 && skip_mac_1)
3974 continue;
f022ae62 3975 __tg3_set_one_mac_addr(tp, tp->dev->dev_addr, i);
3f007891
MC		 3976 }
3977
4153577a
JP		 3978 if (tg3_asic_rev(tp) == ASIC_REV_5703 ||
3979 tg3_asic_rev(tp) == ASIC_REV_5704) {
f022ae62
MC		 3980 for (i = 4; i < 16; i++)
3981 __tg3_set_one_mac_addr(tp, tp->dev->dev_addr, i);
3f007891
MC		 3982 }
3983
3984 addr_high = (tp->dev->dev_addr[0] +
3985 tp->dev->dev_addr[1] +
3986 tp->dev->dev_addr[2] +
3987 tp->dev->dev_addr[3] +
3988 tp->dev->dev_addr[4] +
3989 tp->dev->dev_addr[5]) &
3990 TX_BACKOFF_SEED_MASK;
3991 tw32(MAC_TX_BACKOFF_SEED, addr_high);
3992}
3993
c866b7ea 3994static void tg3_enable_register_access(struct tg3 *tp)
1da177e4 3995{
c866b7ea
RW		 3996 /*
3997 * Make sure register accesses (indirect or otherwise) will function
3998 * correctly.
1da177e4
LT		 3999 */
4000 pci_write_config_dword(tp->pdev,
c866b7ea
RW		 4001 TG3PCI_MISC_HOST_CTRL, tp->misc_host_ctrl);
4002}
1da177e4 4003
c866b7ea
RW		 4004static int tg3_power_up(struct tg3 *tp)
4005{
bed9829f 4006 int err;
8c6bda1a 4007
bed9829f 4008 tg3_enable_register_access(tp);
1da177e4 4009
bed9829f
MC		 4010 err = pci_set_power_state(tp->pdev, PCI_D0);
4011 if (!err) {
4012 /* Switch out of Vaux if it is a NIC */
4013 tg3_pwrsrc_switch_to_vmain(tp);
4014 } else {
4015 netdev_err(tp->dev, "Transition to D0 failed\n");
4016 }
1da177e4 4017
bed9829f 4018 return err;
c866b7ea 4019}
1da177e4 4020
953c96e0 4021static int tg3_setup_phy(struct tg3 *, bool);
4b409522 4022
d72b7357 4023static void tg3_power_down_prepare(struct tg3 *tp)
c866b7ea
RW		 4024{
4025 u32 misc_host_ctrl;
4026 bool device_should_wake, do_low_power;
4027
4028 tg3_enable_register_access(tp);
5e7dfd0f
MC		 4029
4030 /* Restore the CLKREQ setting. */
0f49bfbd
JL		 4031 if (tg3_flag(tp, CLKREQ_BUG))
4032 pcie_capability_set_word(tp->pdev, PCI_EXP_LNKCTL,
4033 PCI_EXP_LNKCTL_CLKREQ_EN);
5e7dfd0f 4034
1da177e4
LT		 4035 misc_host_ctrl = tr32(TG3PCI_MISC_HOST_CTRL);
4036 tw32(TG3PCI_MISC_HOST_CTRL,
4037 misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT);
4038
c866b7ea 4039 device_should_wake = device_may_wakeup(&tp->pdev->dev) &&
63c3a66f 4040 tg3_flag(tp, WOL_ENABLE);
05ac4cb7 4041
63c3a66f 4042 if (tg3_flag(tp, USE_PHYLIB)) {
0a459aac 4043 do_low_power = false;
f07e9af3 4044 if ((tp->phy_flags & TG3_PHYFLG_IS_CONNECTED) &&
80096068 4045 !(tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER)) {
3c1bcc86 4046 __ETHTOOL_DECLARE_LINK_MODE_MASK(advertising) = { 0, };
b02fd9e3 4047 struct phy_device *phydev;
3c1bcc86 4048 u32 phyid;
b02fd9e3 4049
7f854420 4050 phydev = mdiobus_get_phy(tp->mdio_bus, tp->phy_addr);
b02fd9e3 4051
80096068 4052 tp->phy_flags |= TG3_PHYFLG_IS_LOW_POWER;
b02fd9e3 4053
c6700ce2
MC		 4054 tp->link_config.speed = phydev->speed;
4055 tp->link_config.duplex = phydev->duplex;
4056 tp->link_config.autoneg = phydev->autoneg;
3c1bcc86
AL		 4057 ethtool_convert_link_mode_to_legacy_u32(
4058 &tp->link_config.advertising,
4059 phydev->advertising);
4060
4061 linkmode_set_bit(ETHTOOL_LINK_MODE_TP_BIT, advertising);
4062 linkmode_set_bit(ETHTOOL_LINK_MODE_Pause_BIT,
4063 advertising);
4064 linkmode_set_bit(ETHTOOL_LINK_MODE_Autoneg_BIT,
4065 advertising);
4066 linkmode_set_bit(ETHTOOL_LINK_MODE_10baseT_Half_BIT,
4067 advertising);
b02fd9e3 4068
63c3a66f 4069 if (tg3_flag(tp, ENABLE_ASF) || device_should_wake) {
3c1bcc86
AL		 4070 if (tg3_flag(tp, WOL_SPEED_100MB)) {
4071 linkmode_set_bit(ETHTOOL_LINK_MODE_100baseT_Half_BIT,
4072 advertising);
4073 linkmode_set_bit(ETHTOOL_LINK_MODE_100baseT_Full_BIT,
4074 advertising);
4075 linkmode_set_bit(ETHTOOL_LINK_MODE_10baseT_Full_BIT,
4076 advertising);
4077 } else {
4078 linkmode_set_bit(ETHTOOL_LINK_MODE_10baseT_Full_BIT,
4079 advertising);
4080 }
b02fd9e3
MC		 4081 }
4082
3c1bcc86 4083 linkmode_copy(phydev->advertising, advertising);
b02fd9e3 4084 phy_start_aneg(phydev);
0a459aac
MC		 4085
4086 phyid = phydev->drv->phy_id & phydev->drv->phy_id_mask;
6a443a0f
MC		 4087 if (phyid != PHY_ID_BCMAC131) {
4088 phyid &= PHY_BCM_OUI_MASK;
4089 if (phyid == PHY_BCM_OUI_1 ||
4090 phyid == PHY_BCM_OUI_2 ||
4091 phyid == PHY_BCM_OUI_3)
0a459aac
MC		 4092 do_low_power = true;
4093 }
b02fd9e3 4094 }
dd477003 4095 } else {
2023276e 4096 do_low_power = true;
0a459aac 4097
c6700ce2 4098 if (!(tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER))
80096068 4099 tp->phy_flags |= TG3_PHYFLG_IS_LOW_POWER;
1da177e4 4100
2855b9fe 4101 if (!(tp->phy_flags & TG3_PHYFLG_ANY_SERDES))
953c96e0 4102 tg3_setup_phy(tp, false);
1da177e4
LT		 4103 }
4104
4153577a 4105 if (tg3_asic_rev(tp) == ASIC_REV_5906) {
b5d3772c
MC		 4106 u32 val;
4107
4108 val = tr32(GRC_VCPU_EXT_CTRL);
4109 tw32(GRC_VCPU_EXT_CTRL, val | GRC_VCPU_EXT_CTRL_DISABLE_WOL);
63c3a66f 4110 } else if (!tg3_flag(tp, ENABLE_ASF)) {
6921d201
MC		 4111 int i;
4112 u32 val;
4113
4114 for (i = 0; i < 200; i++) {
4115 tg3_read_mem(tp, NIC_SRAM_FW_ASF_STATUS_MBOX, &val);
4116 if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
4117 break;
4118 msleep(1);
4119 }
4120 }
63c3a66f 4121 if (tg3_flag(tp, WOL_CAP))
a85feb8c
GZ		 4122 tg3_write_mem(tp, NIC_SRAM_WOL_MBOX, WOL_SIGNATURE |
4123 WOL_DRV_STATE_SHUTDOWN |
4124 WOL_DRV_WOL |
4125 WOL_SET_MAGIC_PKT);
6921d201 4126
05ac4cb7 4127 if (device_should_wake) {
1da177e4
LT		 4128 u32 mac_mode;
4129
f07e9af3 4130 if (!(tp->phy_flags & TG3_PHYFLG_PHY_SERDES)) {
b4bd2929
MC		 4131 if (do_low_power &&
4132 !(tp->phy_flags & TG3_PHYFLG_IS_FET)) {
4133 tg3_phy_auxctl_write(tp,
4134 MII_TG3_AUXCTL_SHDWSEL_PWRCTL,
4135 MII_TG3_AUXCTL_PCTL_WOL_EN |
4136 MII_TG3_AUXCTL_PCTL_100TX_LPWR |
4137 MII_TG3_AUXCTL_PCTL_CL_AB_TXDAC);
dd477003
MC		 4138 udelay(40);
4139 }
1da177e4 4140
f07e9af3 4141 if (tp->phy_flags & TG3_PHYFLG_MII_SERDES)
3f7045c1 4142 mac_mode = MAC_MODE_PORT_MODE_GMII;
942d1af0
NS		 4143 else if (tp->phy_flags &
4144 TG3_PHYFLG_KEEP_LINK_ON_PWRDN) {
4145 if (tp->link_config.active_speed == SPEED_1000)
4146 mac_mode = MAC_MODE_PORT_MODE_GMII;
4147 else
4148 mac_mode = MAC_MODE_PORT_MODE_MII;
4149 } else
3f7045c1 4150 mac_mode = MAC_MODE_PORT_MODE_MII;
1da177e4 4151
e8f3f6ca 4152 mac_mode |= tp->mac_mode & MAC_MODE_LINK_POLARITY;
4153577a 4153 if (tg3_asic_rev(tp) == ASIC_REV_5700) {
63c3a66f 4154 u32 speed = tg3_flag(tp, WOL_SPEED_100MB) ?
e8f3f6ca
MC		 4155 SPEED_100 : SPEED_10;
4156 if (tg3_5700_link_polarity(tp, speed))
4157 mac_mode |= MAC_MODE_LINK_POLARITY;
4158 else
4159 mac_mode &= ~MAC_MODE_LINK_POLARITY;
4160 }
1da177e4
LT		 4161 } else {
4162 mac_mode = MAC_MODE_PORT_MODE_TBI;
4163 }
4164
63c3a66f 4165 if (!tg3_flag(tp, 5750_PLUS))
1da177e4
LT		 4166 tw32(MAC_LED_CTRL, tp->led_ctrl);
4167
05ac4cb7 4168 mac_mode |= MAC_MODE_MAGIC_PKT_ENABLE;
63c3a66f
JP		 4169 if ((tg3_flag(tp, 5705_PLUS) && !tg3_flag(tp, 5780_CLASS)) &&
4170 (tg3_flag(tp, ENABLE_ASF) || tg3_flag(tp, ENABLE_APE)))
05ac4cb7 4171 mac_mode |= MAC_MODE_KEEP_FRAME_IN_WOL;
1da177e4 4172
63c3a66f 4173 if (tg3_flag(tp, ENABLE_APE))
d2394e6b
MC		 4174 mac_mode |= MAC_MODE_APE_TX_EN |
4175 MAC_MODE_APE_RX_EN |
4176 MAC_MODE_TDE_ENABLE;
3bda1258 4177
1da177e4
LT		 4178 tw32_f(MAC_MODE, mac_mode);
4179 udelay(100);
4180
4181 tw32_f(MAC_RX_MODE, RX_MODE_ENABLE);
4182 udelay(10);
4183 }
4184
63c3a66f 4185 if (!tg3_flag(tp, WOL_SPEED_100MB) &&
4153577a
JP		 4186 (tg3_asic_rev(tp) == ASIC_REV_5700 ||
4187 tg3_asic_rev(tp) == ASIC_REV_5701)) {
1da177e4
LT		 4188 u32 base_val;
4189
4190 base_val = tp->pci_clock_ctrl;
4191 base_val |= (CLOCK_CTRL_RXCLK_DISABLE |
4192 CLOCK_CTRL_TXCLK_DISABLE);
4193
b401e9e2
MC		 4194 tw32_wait_f(TG3PCI_CLOCK_CTRL, base_val | CLOCK_CTRL_ALTCLK |
4195 CLOCK_CTRL_PWRDOWN_PLL133, 40);
63c3a66f
JP		 4196 } else if (tg3_flag(tp, 5780_CLASS) ||
4197 tg3_flag(tp, CPMU_PRESENT) ||
4153577a 4198 tg3_asic_rev(tp) == ASIC_REV_5906) {
4cf78e4f 4199 /* do nothing */
63c3a66f 4200 } else if (!(tg3_flag(tp, 5750_PLUS) && tg3_flag(tp, ENABLE_ASF))) {
1da177e4
LT		 4201 u32 newbits1, newbits2;
4202
4153577a
JP		 4203 if (tg3_asic_rev(tp) == ASIC_REV_5700 ||
4204 tg3_asic_rev(tp) == ASIC_REV_5701) {
1da177e4
LT		 4205 newbits1 = (CLOCK_CTRL_RXCLK_DISABLE |
4206 CLOCK_CTRL_TXCLK_DISABLE |
4207 CLOCK_CTRL_ALTCLK);
4208 newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
63c3a66f 4209 } else if (tg3_flag(tp, 5705_PLUS)) {
1da177e4
LT		 4210 newbits1 = CLOCK_CTRL_625_CORE;
4211 newbits2 = newbits1 | CLOCK_CTRL_ALTCLK;
4212 } else {
4213 newbits1 = CLOCK_CTRL_ALTCLK;
4214 newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
4215 }
4216
b401e9e2
MC		 4217 tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits1,
4218 40);
1da177e4 4219
b401e9e2
MC		 4220 tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits2,
4221 40);
1da177e4 4222
63c3a66f 4223 if (!tg3_flag(tp, 5705_PLUS)) {
1da177e4
LT		 4224 u32 newbits3;
4225
4153577a
JP		 4226 if (tg3_asic_rev(tp) == ASIC_REV_5700 ||
4227 tg3_asic_rev(tp) == ASIC_REV_5701) {
1da177e4
LT		 4228 newbits3 = (CLOCK_CTRL_RXCLK_DISABLE |
4229 CLOCK_CTRL_TXCLK_DISABLE |
4230 CLOCK_CTRL_44MHZ_CORE);
4231 } else {
4232 newbits3 = CLOCK_CTRL_44MHZ_CORE;
4233 }
4234
b401e9e2
MC		 4235 tw32_wait_f(TG3PCI_CLOCK_CTRL,
4236 tp->pci_clock_ctrl | newbits3, 40);
1da177e4
LT		 4237 }
4238 }
4239
63c3a66f 4240 if (!(device_should_wake) && !tg3_flag(tp, ENABLE_ASF))
0a459aac 4241 tg3_power_down_phy(tp, do_low_power);
6921d201 4242
cd0d7228 4243 tg3_frob_aux_power(tp, true);
1da177e4
LT		 4244
4245 /* Workaround for unstable PLL clock */
7e6c63f0 4246 if ((!tg3_flag(tp, IS_SSB_CORE)) &&
4153577a
JP		 4247 ((tg3_chip_rev(tp) == CHIPREV_5750_AX) ||
4248 (tg3_chip_rev(tp) == CHIPREV_5750_BX))) {
1da177e4
LT		 4249 u32 val = tr32(0x7d00);
4250
4251 val &= ~((1 << 16) | (1 << 4) | (1 << 2) | (1 << 1) | 1);
4252 tw32(0x7d00, val);
63c3a66f 4253 if (!tg3_flag(tp, ENABLE_ASF)) {
ec41c7df
MC		 4254 int err;
4255
4256 err = tg3_nvram_lock(tp);
1da177e4 4257 tg3_halt_cpu(tp, RX_CPU_BASE);
ec41c7df
MC		 4258 if (!err)
4259 tg3_nvram_unlock(tp);
6921d201 4260 }
1da177e4
LT		 4261 }
4262
bbadf503
MC		 4263 tg3_write_sig_post_reset(tp, RESET_KIND_SHUTDOWN);
4264
2e460fc0
NS		 4265 tg3_ape_driver_state_change(tp, RESET_KIND_SHUTDOWN);
4266
d72b7357 4267 return;
c866b7ea 4268}
12dac075 4269
c866b7ea
RW		 4270static void tg3_power_down(struct tg3 *tp)
4271{
63c3a66f 4272 pci_wake_from_d3(tp->pdev, tg3_flag(tp, WOL_ENABLE));
c866b7ea 4273 pci_set_power_state(tp->pdev, PCI_D3hot);
1da177e4
LT		 4274}
4275
caf2c520 4276static void tg3_aux_stat_to_speed_duplex(struct tg3 *tp, u32 val, u32 *speed, u8 *duplex)
1da177e4
LT		 4277{
4278 switch (val & MII_TG3_AUX_STAT_SPDMASK) {
4279 case MII_TG3_AUX_STAT_10HALF:
4280 *speed = SPEED_10;
4281 *duplex = DUPLEX_HALF;
4282 break;
4283
4284 case MII_TG3_AUX_STAT_10FULL:
4285 *speed = SPEED_10;
4286 *duplex = DUPLEX_FULL;
4287 break;
4288
4289 case MII_TG3_AUX_STAT_100HALF:
4290 *speed = SPEED_100;
4291 *duplex = DUPLEX_HALF;
4292 break;
4293
4294 case MII_TG3_AUX_STAT_100FULL:
4295 *speed = SPEED_100;
4296 *duplex = DUPLEX_FULL;
4297 break;
4298
4299 case MII_TG3_AUX_STAT_1000HALF:
4300 *speed = SPEED_1000;
4301 *duplex = DUPLEX_HALF;
4302 break;
4303
4304 case MII_TG3_AUX_STAT_1000FULL:
4305 *speed = SPEED_1000;
4306 *duplex = DUPLEX_FULL;
4307 break;
4308
4309 default:
f07e9af3 4310 if (tp->phy_flags & TG3_PHYFLG_IS_FET) {
715116a1
MC		 4311 *speed = (val & MII_TG3_AUX_STAT_100) ? SPEED_100 :
4312 SPEED_10;
4313 *duplex = (val & MII_TG3_AUX_STAT_FULL) ? DUPLEX_FULL :
4314 DUPLEX_HALF;
4315 break;
4316 }
e740522e
MC		 4317 *speed = SPEED_UNKNOWN;
4318 *duplex = DUPLEX_UNKNOWN;
1da177e4 4319 break;
855e1111 4320 }
1da177e4
LT		 4321}
4322
42b64a45 4323static int tg3_phy_autoneg_cfg(struct tg3 *tp, u32 advertise, u32 flowctrl)
1da177e4 4324{
42b64a45
MC		 4325 int err = 0;
4326 u32 val, new_adv;
1da177e4 4327
42b64a45 4328 new_adv = ADVERTISE_CSMA;
202ff1c2 4329 new_adv |= ethtool_adv_to_mii_adv_t(advertise) & ADVERTISE_ALL;
f88788f0 4330 new_adv |= mii_advertise_flowctrl(flowctrl);
1da177e4 4331
42b64a45
MC		 4332 err = tg3_writephy(tp, MII_ADVERTISE, new_adv);
4333 if (err)
4334 goto done;
ba4d07a8 4335
4f272096
MC		 4336 if (!(tp->phy_flags & TG3_PHYFLG_10_100_ONLY)) {
4337 new_adv = ethtool_adv_to_mii_ctrl1000_t(advertise);
ba4d07a8 4338
4153577a
JP		 4339 if (tg3_chip_rev_id(tp) == CHIPREV_ID_5701_A0 ||
4340 tg3_chip_rev_id(tp) == CHIPREV_ID_5701_B0)
4f272096 4341 new_adv |= CTL1000_AS_MASTER | CTL1000_ENABLE_MASTER;
ba4d07a8 4342
4f272096
MC		 4343 err = tg3_writephy(tp, MII_CTRL1000, new_adv);
4344 if (err)
4345 goto done;
4346 }
1da177e4 4347
42b64a45
MC		 4348 if (!(tp->phy_flags & TG3_PHYFLG_EEE_CAP))
4349 goto done;
52b02d04 4350
42b64a45
MC		 4351 tw32(TG3_CPMU_EEE_MODE,
4352 tr32(TG3_CPMU_EEE_MODE) & ~TG3_CPMU_EEEMD_LPI_ENABLE);
52b02d04 4353
daf3ec68 4354 err = tg3_phy_toggle_auxctl_smdsp(tp, true);
42b64a45
MC		 4355 if (!err) {
4356 u32 err2;
52b02d04 4357
ebb0346a 4358 if (!tp->eee.eee_enabled)
9e2ecbeb 4359 val = 0;
ebb0346a
HK		 4360 else
4361 val = ethtool_adv_to_mmd_eee_adv_t(advertise);
9e2ecbeb 4362
ebb0346a 4363 mii_eee_cap1_mod_linkmode_t(tp->eee.advertised, val);
b715ce94
MC		 4364 err = tg3_phy_cl45_write(tp, MDIO_MMD_AN, MDIO_AN_EEE_ADV, val);
4365 if (err)
4366 val = 0;
4367
4153577a 4368 switch (tg3_asic_rev(tp)) {
21a00ab2
MC		 4369 case ASIC_REV_5717:
4370 case ASIC_REV_57765:
55086ad9 4371 case ASIC_REV_57766:
21a00ab2 4372 case ASIC_REV_5719:
b715ce94
MC		 4373 /* If we advertised any eee advertisements above... */
4374 if (val)
4375 val = MII_TG3_DSP_TAP26_ALNOKO |
4376 MII_TG3_DSP_TAP26_RMRXSTO |
4377 MII_TG3_DSP_TAP26_OPCSINPT;
21a00ab2 4378 tg3_phydsp_write(tp, MII_TG3_DSP_TAP26, val);
df561f66 4379 fallthrough;
be671947 4380 case ASIC_REV_5720:
c65a17f4 4381 case ASIC_REV_5762:
be671947
MC		 4382 if (!tg3_phydsp_read(tp, MII_TG3_DSP_CH34TP2, &val))
4383 tg3_phydsp_write(tp, MII_TG3_DSP_CH34TP2, val |
4384 MII_TG3_DSP_CH34TP2_HIBW01);
21a00ab2 4385 }
52b02d04 4386
daf3ec68 4387 err2 = tg3_phy_toggle_auxctl_smdsp(tp, false);
42b64a45
MC		 4388 if (!err)
4389 err = err2;
4390 }
4391
4392done:
4393 return err;
4394}
4395
4396static void tg3_phy_copper_begin(struct tg3 *tp)
4397{
d13ba512
MC		 4398 if (tp->link_config.autoneg == AUTONEG_ENABLE ||
4399 (tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER)) {
4400 u32 adv, fc;
4401
942d1af0
NS		 4402 if ((tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER) &&
4403 !(tp->phy_flags & TG3_PHYFLG_KEEP_LINK_ON_PWRDN)) {
d13ba512
MC		 4404 adv = ADVERTISED_10baseT_Half |
4405 ADVERTISED_10baseT_Full;
4406 if (tg3_flag(tp, WOL_SPEED_100MB))
4407 adv |= ADVERTISED_100baseT_Half |
4408 ADVERTISED_100baseT_Full;
7c786065
NS		 4409 if (tp->phy_flags & TG3_PHYFLG_1G_ON_VAUX_OK) {
4410 if (!(tp->phy_flags &
4411 TG3_PHYFLG_DISABLE_1G_HD_ADV))
4412 adv |= ADVERTISED_1000baseT_Half;
4413 adv |= ADVERTISED_1000baseT_Full;
4414 }
d13ba512
MC		 4415
4416 fc = FLOW_CTRL_TX | FLOW_CTRL_RX;
42b64a45 4417 } else {
d13ba512
MC		 4418 adv = tp->link_config.advertising;
4419 if (tp->phy_flags & TG3_PHYFLG_10_100_ONLY)
4420 adv &= ~(ADVERTISED_1000baseT_Half |
4421 ADVERTISED_1000baseT_Full);
4422
4423 fc = tp->link_config.flowctrl;
52b02d04 4424 }
52b02d04 4425
d13ba512 4426 tg3_phy_autoneg_cfg(tp, adv, fc);
52b02d04 4427
942d1af0
NS		 4428 if ((tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER) &&
4429 (tp->phy_flags & TG3_PHYFLG_KEEP_LINK_ON_PWRDN)) {
4430 /* Normally during power down we want to autonegotiate
4431 * the lowest possible speed for WOL. However, to avoid
4432 * link flap, we leave it untouched.
4433 */
4434 return;
4435 }
4436
d13ba512
MC		 4437 tg3_writephy(tp, MII_BMCR,
4438 BMCR_ANENABLE | BMCR_ANRESTART);
4439 } else {
4440 int i;
1da177e4
LT		 4441 u32 bmcr, orig_bmcr;
4442
4443 tp->link_config.active_speed = tp->link_config.speed;
4444 tp->link_config.active_duplex = tp->link_config.duplex;
4445
7c6cdead
NS		 4446 if (tg3_asic_rev(tp) == ASIC_REV_5714) {
4447 /* With autoneg disabled, 5715 only links up when the
4448 * advertisement register has the configured speed
4449 * enabled.
4450 */
4451 tg3_writephy(tp, MII_ADVERTISE, ADVERTISE_ALL);
4452 }
4453
1da177e4
LT		 4454 bmcr = 0;
4455 switch (tp->link_config.speed) {
4456 default:
4457 case SPEED_10:
4458 break;
4459
4460 case SPEED_100:
4461 bmcr |= BMCR_SPEED100;
4462 break;
4463
4464 case SPEED_1000:
221c5637 4465 bmcr |= BMCR_SPEED1000;
1da177e4 4466 break;
855e1111 4467 }
1da177e4
LT		 4468
4469 if (tp->link_config.duplex == DUPLEX_FULL)
4470 bmcr |= BMCR_FULLDPLX;
4471
4472 if (!tg3_readphy(tp, MII_BMCR, &orig_bmcr) &&
4473 (bmcr != orig_bmcr)) {
4474 tg3_writephy(tp, MII_BMCR, BMCR_LOOPBACK);
4475 for (i = 0; i < 1500; i++) {
4476 u32 tmp;
4477
4478 udelay(10);
4479 if (tg3_readphy(tp, MII_BMSR, &tmp) ||
4480 tg3_readphy(tp, MII_BMSR, &tmp))
4481 continue;
4482 if (!(tmp & BMSR_LSTATUS)) {
4483 udelay(40);
4484 break;
4485 }
4486 }
4487 tg3_writephy(tp, MII_BMCR, bmcr);
4488 udelay(40);
4489 }
1da177e4
LT		 4490 }
4491}
4492
fdad8de4
NS		 4493static int tg3_phy_pull_config(struct tg3 *tp)
4494{
4495 int err;
4496 u32 val;
4497
4498 err = tg3_readphy(tp, MII_BMCR, &val);
4499 if (err)
4500 goto done;
4501
4502 if (!(val & BMCR_ANENABLE)) {
4503 tp->link_config.autoneg = AUTONEG_DISABLE;
4504 tp->link_config.advertising = 0;
4505 tg3_flag_clear(tp, PAUSE_AUTONEG);
4506
4507 err = -EIO;
4508
4509 switch (val & (BMCR_SPEED1000 | BMCR_SPEED100)) {
4510 case 0:
4511 if (tp->phy_flags & TG3_PHYFLG_ANY_SERDES)
4512 goto done;
4513
4514 tp->link_config.speed = SPEED_10;
4515 break;
4516 case BMCR_SPEED100:
4517 if (tp->phy_flags & TG3_PHYFLG_ANY_SERDES)
4518 goto done;
4519
4520 tp->link_config.speed = SPEED_100;
4521 break;
4522 case BMCR_SPEED1000:
4523 if (!(tp->phy_flags & TG3_PHYFLG_10_100_ONLY)) {
4524 tp->link_config.speed = SPEED_1000;
4525 break;
4526 }
df561f66 4527 fallthrough;
fdad8de4
NS		 4528 default:
4529 goto done;
4530 }
4531
4532 if (val & BMCR_FULLDPLX)
4533 tp->link_config.duplex = DUPLEX_FULL;
4534 else
4535 tp->link_config.duplex = DUPLEX_HALF;
4536
4537 tp->link_config.flowctrl = FLOW_CTRL_RX | FLOW_CTRL_TX;
4538
4539 err = 0;
4540 goto done;
4541 }
4542
4543 tp->link_config.autoneg = AUTONEG_ENABLE;
4544 tp->link_config.advertising = ADVERTISED_Autoneg;
4545 tg3_flag_set(tp, PAUSE_AUTONEG);
4546
4547 if (!(tp->phy_flags & TG3_PHYFLG_ANY_SERDES)) {
4548 u32 adv;
4549
4550 err = tg3_readphy(tp, MII_ADVERTISE, &val);
4551 if (err)
4552 goto done;
4553
4554 adv = mii_adv_to_ethtool_adv_t(val & ADVERTISE_ALL);
4555 tp->link_config.advertising |= adv | ADVERTISED_TP;
4556
4557 tp->link_config.flowctrl = tg3_decode_flowctrl_1000T(val);
4558 } else {
4559 tp->link_config.advertising |= ADVERTISED_FIBRE;
4560 }
4561
4562 if (!(tp->phy_flags & TG3_PHYFLG_10_100_ONLY)) {
4563 u32 adv;
4564
4565 if (!(tp->phy_flags & TG3_PHYFLG_ANY_SERDES)) {
4566 err = tg3_readphy(tp, MII_CTRL1000, &val);
4567 if (err)
4568 goto done;
4569
4570 adv = mii_ctrl1000_to_ethtool_adv_t(val);
4571 } else {
4572 err = tg3_readphy(tp, MII_ADVERTISE, &val);
4573 if (err)
4574 goto done;
4575
4576 adv = tg3_decode_flowctrl_1000X(val);
4577 tp->link_config.flowctrl = adv;
4578
4579 val &= (ADVERTISE_1000XHALF | ADVERTISE_1000XFULL);
4580 adv = mii_adv_to_ethtool_adv_x(val);
4581 }
4582
4583 tp->link_config.advertising |= adv;
4584 }
4585
4586done:
4587 return err;
4588}
4589
1da177e4
LT		 4590static int tg3_init_5401phy_dsp(struct tg3 *tp)
4591{
4592 int err;
4593
4594 /* Turn off tap power management. */
4595 /* Set Extended packet length bit */
b4bd2929 4596 err = tg3_phy_auxctl_write(tp, MII_TG3_AUXCTL_SHDWSEL_AUXCTL, 0x4c20);
1da177e4 4597
6ee7c0a0
MC		 4598 err |= tg3_phydsp_write(tp, 0x0012, 0x1804);
4599 err |= tg3_phydsp_write(tp, 0x0013, 0x1204);
4600 err |= tg3_phydsp_write(tp, 0x8006, 0x0132);
4601 err |= tg3_phydsp_write(tp, 0x8006, 0x0232);
4602 err |= tg3_phydsp_write(tp, 0x201f, 0x0a20);
1da177e4
LT		 4603
4604 udelay(40);
4605
4606 return err;
4607}
4608
ed1ff5c3
NS		 4609static bool tg3_phy_eee_config_ok(struct tg3 *tp)
4610{
0972d1d9 4611 struct ethtool_keee eee = {};
ed1ff5c3
NS		 4612
4613 if (!(tp->phy_flags & TG3_PHYFLG_EEE_CAP))
4614 return true;
4615
5b6c273a 4616 tg3_eee_pull_config(tp, &eee);
ed1ff5c3 4617
5b6c273a 4618 if (tp->eee.eee_enabled) {
9bc79134 4619 if (!linkmode_equal(tp->eee.advertised, eee.advertised) ||
5b6c273a
NS		 4620 tp->eee.tx_lpi_timer != eee.tx_lpi_timer ||
4621 tp->eee.tx_lpi_enabled != eee.tx_lpi_enabled)
4622 return false;
4623 } else {
4624 /* EEE is disabled but we're advertising */
9bc79134 4625 if (!linkmode_empty(eee.advertised))
5b6c273a
NS		 4626 return false;
4627 }
ed1ff5c3
NS		 4628
4629 return true;
4630}
4631
e2bf73e7 4632static bool tg3_phy_copper_an_config_ok(struct tg3 *tp, u32 *lcladv)
1da177e4 4633{
e2bf73e7 4634 u32 advmsk, tgtadv, advertising;
3600d918 4635
e2bf73e7
MC		 4636 advertising = tp->link_config.advertising;
4637 tgtadv = ethtool_adv_to_mii_adv_t(advertising) & ADVERTISE_ALL;
1da177e4 4638
e2bf73e7
MC		 4639 advmsk = ADVERTISE_ALL;
4640 if (tp->link_config.active_duplex == DUPLEX_FULL) {
f88788f0 4641 tgtadv |= mii_advertise_flowctrl(tp->link_config.flowctrl);
e2bf73e7
MC		 4642 advmsk |= ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
4643 }
1da177e4 4644
e2bf73e7
MC		 4645 if (tg3_readphy(tp, MII_ADVERTISE, lcladv))
4646 return false;
4647
4648 if ((*lcladv & advmsk) != tgtadv)
4649 return false;
b99d2a57 4650
f07e9af3 4651 if (!(tp->phy_flags & TG3_PHYFLG_10_100_ONLY)) {
1da177e4
LT		 4652 u32 tg3_ctrl;
4653
e2bf73e7 4654 tgtadv = ethtool_adv_to_mii_ctrl1000_t(advertising);
3600d918 4655
221c5637 4656 if (tg3_readphy(tp, MII_CTRL1000, &tg3_ctrl))
e2bf73e7 4657 return false;
1da177e4 4658
3198e07f 4659 if (tgtadv &&
4153577a
JP		 4660 (tg3_chip_rev_id(tp) == CHIPREV_ID_5701_A0 ||
4661 tg3_chip_rev_id(tp) == CHIPREV_ID_5701_B0)) {
3198e07f
MC		 4662 tgtadv |= CTL1000_AS_MASTER | CTL1000_ENABLE_MASTER;
4663 tg3_ctrl &= (ADVERTISE_1000HALF | ADVERTISE_1000FULL |
4664 CTL1000_AS_MASTER | CTL1000_ENABLE_MASTER);
4665 } else {
4666 tg3_ctrl &= (ADVERTISE_1000HALF | ADVERTISE_1000FULL);
4667 }
4668
e2bf73e7
MC		 4669 if (tg3_ctrl != tgtadv)
4670 return false;
ef167e27
MC		 4671 }
4672
e2bf73e7 4673 return true;
ef167e27
MC		 4674}
4675
859edb26
MC		 4676static bool tg3_phy_copper_fetch_rmtadv(struct tg3 *tp, u32 *rmtadv)
4677{
4678 u32 lpeth = 0;
4679
4680 if (!(tp->phy_flags & TG3_PHYFLG_10_100_ONLY)) {
4681 u32 val;
4682
4683 if (tg3_readphy(tp, MII_STAT1000, &val))
4684 return false;
4685
4686 lpeth = mii_stat1000_to_ethtool_lpa_t(val);
4687 }
4688
4689 if (tg3_readphy(tp, MII_LPA, rmtadv))
4690 return false;
4691
4692 lpeth |= mii_lpa_to_ethtool_lpa_t(*rmtadv);
4693 tp->link_config.rmt_adv = lpeth;
4694
4695 return true;
4696}
4697
953c96e0 4698static bool tg3_test_and_report_link_chg(struct tg3 *tp, bool curr_link_up)
f4a46d1f
NNS		 4699{
4700 if (curr_link_up != tp->link_up) {
4701 if (curr_link_up) {
84421b99 4702 netif_carrier_on(tp->dev);
f4a46d1f 4703 } else {
84421b99 4704 netif_carrier_off(tp->dev);
f4a46d1f
NNS		 4705 if (tp->phy_flags & TG3_PHYFLG_MII_SERDES)
4706 tp->phy_flags &= ~TG3_PHYFLG_PARALLEL_DETECT;
4707 }
4708
4709 tg3_link_report(tp);
4710 return true;
4711 }
4712
4713 return false;
4714}
4715
3310e248
MC		 4716static void tg3_clear_mac_status(struct tg3 *tp)
4717{
4718 tw32(MAC_EVENT, 0);
4719
4720 tw32_f(MAC_STATUS,
4721 MAC_STATUS_SYNC_CHANGED |
4722 MAC_STATUS_CFG_CHANGED |
4723 MAC_STATUS_MI_COMPLETION |
4724 MAC_STATUS_LNKSTATE_CHANGED);
4725 udelay(40);
4726}
4727
9e2ecbeb
NS		 4728static void tg3_setup_eee(struct tg3 *tp)
4729{
4730 u32 val;
4731
4732 val = TG3_CPMU_EEE_LNKIDL_PCIE_NL0 |
4733 TG3_CPMU_EEE_LNKIDL_UART_IDL;
4734 if (tg3_chip_rev_id(tp) == CHIPREV_ID_57765_A0)
4735 val |= TG3_CPMU_EEE_LNKIDL_APE_TX_MT;
4736
4737 tw32_f(TG3_CPMU_EEE_LNKIDL_CTRL, val);
4738
4739 tw32_f(TG3_CPMU_EEE_CTRL,
4740 TG3_CPMU_EEE_CTRL_EXIT_20_1_US);
4741
4742 val = TG3_CPMU_EEEMD_ERLY_L1_XIT_DET |
4743 (tp->eee.tx_lpi_enabled ? TG3_CPMU_EEEMD_LPI_IN_TX : 0) |
4744 TG3_CPMU_EEEMD_LPI_IN_RX |
4745 TG3_CPMU_EEEMD_EEE_ENABLE;
4746
4747 if (tg3_asic_rev(tp) != ASIC_REV_5717)
4748 val |= TG3_CPMU_EEEMD_SND_IDX_DET_EN;
4749
4750 if (tg3_flag(tp, ENABLE_APE))
4751 val |= TG3_CPMU_EEEMD_APE_TX_DET_EN;
4752
4753 tw32_f(TG3_CPMU_EEE_MODE, tp->eee.eee_enabled ? val : 0);
4754
4755 tw32_f(TG3_CPMU_EEE_DBTMR1,
4756 TG3_CPMU_DBTMR1_PCIEXIT_2047US |
4757 (tp->eee.tx_lpi_timer & 0xffff));
4758
4759 tw32_f(TG3_CPMU_EEE_DBTMR2,
4760 TG3_CPMU_DBTMR2_APE_TX_2047US |
4761 TG3_CPMU_DBTMR2_TXIDXEQ_2047US);
4762}
4763
953c96e0 4764static int tg3_setup_copper_phy(struct tg3 *tp, bool force_reset)
1da177e4 4765{
953c96e0 4766 bool current_link_up;
f833c4c1 4767 u32 bmsr, val;
ef167e27 4768 u32 lcl_adv, rmt_adv;
caf2c520 4769 u32 current_speed;
1da177e4
LT		 4770 u8 current_duplex;
4771 int i, err;
4772
3310e248 4773 tg3_clear_mac_status(tp);
1da177e4 4774
8ef21428
MC		 4775 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
4776 tw32_f(MAC_MI_MODE,
4777 (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
4778 udelay(80);
4779 }
1da177e4 4780
b4bd2929 4781 tg3_phy_auxctl_write(tp, MII_TG3_AUXCTL_SHDWSEL_PWRCTL, 0);
1da177e4
LT		 4782
4783 /* Some third-party PHYs need to be reset on link going
4784 * down.
4785 */
4153577a
JP		 4786 if ((tg3_asic_rev(tp) == ASIC_REV_5703 ||
4787 tg3_asic_rev(tp) == ASIC_REV_5704 ||
4788 tg3_asic_rev(tp) == ASIC_REV_5705) &&
f4a46d1f 4789 tp->link_up) {
1da177e4
LT		 4790 tg3_readphy(tp, MII_BMSR, &bmsr);
4791 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
4792 !(bmsr & BMSR_LSTATUS))
953c96e0 4793 force_reset = true;
1da177e4
LT		 4794 }
4795 if (force_reset)
4796 tg3_phy_reset(tp);
4797
79eb6904 4798 if ((tp->phy_id & TG3_PHY_ID_MASK) == TG3_PHY_ID_BCM5401) {
1da177e4
LT		 4799 tg3_readphy(tp, MII_BMSR, &bmsr);
4800 if (tg3_readphy(tp, MII_BMSR, &bmsr) ||
63c3a66f 4801 !tg3_flag(tp, INIT_COMPLETE))
1da177e4
LT		 4802 bmsr = 0;
4803
4804 if (!(bmsr & BMSR_LSTATUS)) {
4805 err = tg3_init_5401phy_dsp(tp);
4806 if (err)
4807 return err;
4808
4809 tg3_readphy(tp, MII_BMSR, &bmsr);
4810 for (i = 0; i < 1000; i++) {
4811 udelay(10);
4812 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
4813 (bmsr & BMSR_LSTATUS)) {
4814 udelay(40);
4815 break;
4816 }
4817 }
4818
79eb6904
MC		 4819 if ((tp->phy_id & TG3_PHY_ID_REV_MASK) ==
4820 TG3_PHY_REV_BCM5401_B0 &&
1da177e4
LT		 4821 !(bmsr & BMSR_LSTATUS) &&
4822 tp->link_config.active_speed == SPEED_1000) {
4823 err = tg3_phy_reset(tp);
4824 if (!err)
4825 err = tg3_init_5401phy_dsp(tp);
4826 if (err)
4827 return err;
4828 }
4829 }
4153577a
JP		 4830 } else if (tg3_chip_rev_id(tp) == CHIPREV_ID_5701_A0 ||
4831 tg3_chip_rev_id(tp) == CHIPREV_ID_5701_B0) {
1da177e4
LT		 4832 /* 5701 {A0,B0} CRC bug workaround */
4833 tg3_writephy(tp, 0x15, 0x0a75);
f08aa1a8
MC		 4834 tg3_writephy(tp, MII_TG3_MISC_SHDW, 0x8c68);
4835 tg3_writephy(tp, MII_TG3_MISC_SHDW, 0x8d68);
4836 tg3_writephy(tp, MII_TG3_MISC_SHDW, 0x8c68);
1da177e4
LT		 4837 }
4838
4839 /* Clear pending interrupts... */
f833c4c1
MC		 4840 tg3_readphy(tp, MII_TG3_ISTAT, &val);
4841 tg3_readphy(tp, MII_TG3_ISTAT, &val);
1da177e4 4842
f07e9af3 4843 if (tp->phy_flags & TG3_PHYFLG_USE_MI_INTERRUPT)
1da177e4 4844 tg3_writephy(tp, MII_TG3_IMASK, ~MII_TG3_INT_LINKCHG);
f07e9af3 4845 else if (!(tp->phy_flags & TG3_PHYFLG_IS_FET))
1da177e4
LT		 4846 tg3_writephy(tp, MII_TG3_IMASK, ~0);
4847
4153577a
JP		 4848 if (tg3_asic_rev(tp) == ASIC_REV_5700 ||
4849 tg3_asic_rev(tp) == ASIC_REV_5701) {
1da177e4
LT		 4850 if (tp->led_ctrl == LED_CTRL_MODE_PHY_1)
4851 tg3_writephy(tp, MII_TG3_EXT_CTRL,
4852 MII_TG3_EXT_CTRL_LNK3_LED_MODE);
4853 else
4854 tg3_writephy(tp, MII_TG3_EXT_CTRL, 0);
4855 }
4856
953c96e0 4857 current_link_up = false;
e740522e
MC		 4858 current_speed = SPEED_UNKNOWN;
4859 current_duplex = DUPLEX_UNKNOWN;
e348c5e7 4860 tp->phy_flags &= ~TG3_PHYFLG_MDIX_STATE;
859edb26 4861 tp->link_config.rmt_adv = 0;
1da177e4 4862
f07e9af3 4863 if (tp->phy_flags & TG3_PHYFLG_CAPACITIVE_COUPLING) {
15ee95c3
MC		 4864 err = tg3_phy_auxctl_read(tp,
4865 MII_TG3_AUXCTL_SHDWSEL_MISCTEST,
4866 &val);
4867 if (!err && !(val & (1 << 10))) {
b4bd2929
MC		 4868 tg3_phy_auxctl_write(tp,
4869 MII_TG3_AUXCTL_SHDWSEL_MISCTEST,
4870 val | (1 << 10));
1da177e4
LT		 4871 goto relink;
4872 }
4873 }
4874
4875 bmsr = 0;
4876 for (i = 0; i < 100; i++) {
4877 tg3_readphy(tp, MII_BMSR, &bmsr);
4878 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
4879 (bmsr & BMSR_LSTATUS))
4880 break;
4881 udelay(40);
4882 }
4883
4884 if (bmsr & BMSR_LSTATUS) {
4885 u32 aux_stat, bmcr;
4886
4887 tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat);
4888 for (i = 0; i < 2000; i++) {
4889 udelay(10);
4890 if (!tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat) &&
4891 aux_stat)
4892 break;
4893 }
4894
4895 tg3_aux_stat_to_speed_duplex(tp, aux_stat,
4896 &current_speed,
4897 &current_duplex);
4898
4899 bmcr = 0;
4900 for (i = 0; i < 200; i++) {
4901 tg3_readphy(tp, MII_BMCR, &bmcr);
4902 if (tg3_readphy(tp, MII_BMCR, &bmcr))
4903 continue;
4904 if (bmcr && bmcr != 0x7fff)
4905 break;
4906 udelay(10);
4907 }
4908
ef167e27
MC		 4909 lcl_adv = 0;
4910 rmt_adv = 0;
1da177e4 4911
ef167e27
MC		 4912 tp->link_config.active_speed = current_speed;
4913 tp->link_config.active_duplex = current_duplex;
4914
4915 if (tp->link_config.autoneg == AUTONEG_ENABLE) {
ed1ff5c3
NS		 4916 bool eee_config_ok = tg3_phy_eee_config_ok(tp);
4917
ef167e27 4918 if ((bmcr & BMCR_ANENABLE) &&
ed1ff5c3 4919 eee_config_ok &&
e2bf73e7 4920 tg3_phy_copper_an_config_ok(tp, &lcl_adv) &&
859edb26 4921 tg3_phy_copper_fetch_rmtadv(tp, &rmt_adv))
953c96e0 4922 current_link_up = true;
ed1ff5c3
NS		 4923
4924 /* EEE settings changes take effect only after a phy
4925 * reset. If we have skipped a reset due to Link Flap
4926 * Avoidance being enabled, do it now.
4927 */
4928 if (!eee_config_ok &&
4929 (tp->phy_flags & TG3_PHYFLG_KEEP_LINK_ON_PWRDN) &&
5b6c273a
NS		 4930 !force_reset) {
4931 tg3_setup_eee(tp);
ed1ff5c3 4932 tg3_phy_reset(tp);
5b6c273a 4933 }
1da177e4
LT		 4934 } else {
4935 if (!(bmcr & BMCR_ANENABLE) &&
4936 tp->link_config.speed == current_speed &&
f0fcd7a9 4937 tp->link_config.duplex == current_duplex) {
953c96e0 4938 current_link_up = true;
1da177e4
LT		 4939 }
4940 }
4941
953c96e0 4942 if (current_link_up &&
e348c5e7
MC		 4943 tp->link_config.active_duplex == DUPLEX_FULL) {
4944 u32 reg, bit;
4945
4946 if (tp->phy_flags & TG3_PHYFLG_IS_FET) {
4947 reg = MII_TG3_FET_GEN_STAT;
4948 bit = MII_TG3_FET_GEN_STAT_MDIXSTAT;
4949 } else {
4950 reg = MII_TG3_EXT_STAT;
4951 bit = MII_TG3_EXT_STAT_MDIX;
4952 }
4953
4954 if (!tg3_readphy(tp, reg, &val) && (val & bit))
4955 tp->phy_flags |= TG3_PHYFLG_MDIX_STATE;
4956
ef167e27 4957 tg3_setup_flow_control(tp, lcl_adv, rmt_adv);
e348c5e7 4958 }
1da177e4
LT		 4959 }
4960
1da177e4 4961relink:
953c96e0 4962 if (!current_link_up || (tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER)) {
1da177e4
LT		 4963 tg3_phy_copper_begin(tp);
4964
7e6c63f0 4965 if (tg3_flag(tp, ROBOSWITCH)) {
953c96e0 4966 current_link_up = true;
7e6c63f0
HM		 4967 /* FIXME: when BCM5325 switch is used use 100 MBit/s */
4968 current_speed = SPEED_1000;
4969 current_duplex = DUPLEX_FULL;
4970 tp->link_config.active_speed = current_speed;
4971 tp->link_config.active_duplex = current_duplex;
4972 }
4973
f833c4c1 4974 tg3_readphy(tp, MII_BMSR, &bmsr);
06c03c02
MB		 4975 if ((!tg3_readphy(tp, MII_BMSR, &bmsr) && (bmsr & BMSR_LSTATUS)) ||
4976 (tp->mac_mode & MAC_MODE_PORT_INT_LPBACK))
953c96e0 4977 current_link_up = true;
1da177e4
LT		 4978 }
4979
4980 tp->mac_mode &= ~MAC_MODE_PORT_MODE_MASK;
953c96e0 4981 if (current_link_up) {
1da177e4
LT		 4982 if (tp->link_config.active_speed == SPEED_100 ||
4983 tp->link_config.active_speed == SPEED_10)
4984 tp->mac_mode |= MAC_MODE_PORT_MODE_MII;
4985 else
4986 tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
f07e9af3 4987 } else if (tp->phy_flags & TG3_PHYFLG_IS_FET)
7f97a4bd
MC		 4988 tp->mac_mode |= MAC_MODE_PORT_MODE_MII;
4989 else
1da177e4
LT		 4990 tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
4991
7e6c63f0
HM		 4992 /* In order for the 5750 core in BCM4785 chip to work properly
4993 * in RGMII mode, the Led Control Register must be set up.
4994 */
4995 if (tg3_flag(tp, RGMII_MODE)) {
4996 u32 led_ctrl = tr32(MAC_LED_CTRL);
4997 led_ctrl &= ~(LED_CTRL_1000MBPS_ON | LED_CTRL_100MBPS_ON);
4998
4999 if (tp->link_config.active_speed == SPEED_10)
5000 led_ctrl |= LED_CTRL_LNKLED_OVERRIDE;
5001 else if (tp->link_config.active_speed == SPEED_100)
5002 led_ctrl |= (LED_CTRL_LNKLED_OVERRIDE |
5003 LED_CTRL_100MBPS_ON);
5004 else if (tp->link_config.active_speed == SPEED_1000)
5005 led_ctrl |= (LED_CTRL_LNKLED_OVERRIDE |
5006 LED_CTRL_1000MBPS_ON);
5007
5008 tw32(MAC_LED_CTRL, led_ctrl);
5009 udelay(40);
5010 }
5011
1da177e4
LT		 5012 tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX;
5013 if (tp->link_config.active_duplex == DUPLEX_HALF)
5014 tp->mac_mode |= MAC_MODE_HALF_DUPLEX;
5015
4153577a 5016 if (tg3_asic_rev(tp) == ASIC_REV_5700) {
953c96e0 5017 if (current_link_up &&
e8f3f6ca 5018 tg3_5700_link_polarity(tp, tp->link_config.active_speed))
1da177e4 5019 tp->mac_mode |= MAC_MODE_LINK_POLARITY;
e8f3f6ca
MC		 5020 else
5021 tp->mac_mode &= ~MAC_MODE_LINK_POLARITY;
1da177e4
LT		 5022 }
5023
5024 /* ??? Without this setting Netgear GA302T PHY does not
5025 * ??? send/receive packets...
5026 */
79eb6904 5027 if ((tp->phy_id & TG3_PHY_ID_MASK) == TG3_PHY_ID_BCM5411 &&
4153577a 5028 tg3_chip_rev_id(tp) == CHIPREV_ID_5700_ALTIMA) {
1da177e4
LT		 5029 tp->mi_mode |= MAC_MI_MODE_AUTO_POLL;
5030 tw32_f(MAC_MI_MODE, tp->mi_mode);
5031 udelay(80);
5032 }
5033
5034 tw32_f(MAC_MODE, tp->mac_mode);
5035 udelay(40);
5036
52b02d04
MC		 5037 tg3_phy_eee_adjust(tp, current_link_up);
5038
63c3a66f 5039 if (tg3_flag(tp, USE_LINKCHG_REG)) {
1da177e4
LT		 5040 /* Polled via timer. */
5041 tw32_f(MAC_EVENT, 0);
5042 } else {
5043 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
5044 }
5045 udelay(40);
5046
4153577a 5047 if (tg3_asic_rev(tp) == ASIC_REV_5700 &&
953c96e0 5048 current_link_up &&
1da177e4 5049 tp->link_config.active_speed == SPEED_1000 &&
63c3a66f 5050 (tg3_flag(tp, PCIX_MODE) || tg3_flag(tp, PCI_HIGH_SPEED))) {
1da177e4
LT		 5051 udelay(120);
5052 tw32_f(MAC_STATUS,
5053 (MAC_STATUS_SYNC_CHANGED |
5054 MAC_STATUS_CFG_CHANGED));
5055 udelay(40);
5056 tg3_write_mem(tp,
5057 NIC_SRAM_FIRMWARE_MBOX,
5058 NIC_SRAM_FIRMWARE_MBOX_MAGIC2);
5059 }
5060
5e7dfd0f 5061 /* Prevent send BD corruption. */
63c3a66f 5062 if (tg3_flag(tp, CLKREQ_BUG)) {
5e7dfd0f
MC		 5063 if (tp->link_config.active_speed == SPEED_100 ||
5064 tp->link_config.active_speed == SPEED_10)
0f49bfbd
JL		 5065 pcie_capability_clear_word(tp->pdev, PCI_EXP_LNKCTL,
5066 PCI_EXP_LNKCTL_CLKREQ_EN);
5e7dfd0f 5067 else
0f49bfbd
JL		 5068 pcie_capability_set_word(tp->pdev, PCI_EXP_LNKCTL,
5069 PCI_EXP_LNKCTL_CLKREQ_EN);
5e7dfd0f
MC		 5070 }
5071
f4a46d1f 5072 tg3_test_and_report_link_chg(tp, current_link_up);
1da177e4
LT		 5073
5074 return 0;
5075}
5076
5077struct tg3_fiber_aneginfo {
5078 int state;
5079#define ANEG_STATE_UNKNOWN 0
5080#define ANEG_STATE_AN_ENABLE 1
5081#define ANEG_STATE_RESTART_INIT 2
5082#define ANEG_STATE_RESTART 3
5083#define ANEG_STATE_DISABLE_LINK_OK 4
5084#define ANEG_STATE_ABILITY_DETECT_INIT 5
5085#define ANEG_STATE_ABILITY_DETECT 6
5086#define ANEG_STATE_ACK_DETECT_INIT 7
5087#define ANEG_STATE_ACK_DETECT 8
5088#define ANEG_STATE_COMPLETE_ACK_INIT 9
5089#define ANEG_STATE_COMPLETE_ACK 10
5090#define ANEG_STATE_IDLE_DETECT_INIT 11
5091#define ANEG_STATE_IDLE_DETECT 12
5092#define ANEG_STATE_LINK_OK 13
5093#define ANEG_STATE_NEXT_PAGE_WAIT_INIT 14
5094#define ANEG_STATE_NEXT_PAGE_WAIT 15
5095
5096 u32 flags;
5097#define MR_AN_ENABLE 0x00000001
5098#define MR_RESTART_AN 0x00000002
5099#define MR_AN_COMPLETE 0x00000004
5100#define MR_PAGE_RX 0x00000008
5101#define MR_NP_LOADED 0x00000010
5102#define MR_TOGGLE_TX 0x00000020
5103#define MR_LP_ADV_FULL_DUPLEX 0x00000040
5104#define MR_LP_ADV_HALF_DUPLEX 0x00000080
5105#define MR_LP_ADV_SYM_PAUSE 0x00000100
5106#define MR_LP_ADV_ASYM_PAUSE 0x00000200
5107#define MR_LP_ADV_REMOTE_FAULT1 0x00000400
5108#define MR_LP_ADV_REMOTE_FAULT2 0x00000800
5109#define MR_LP_ADV_NEXT_PAGE 0x00001000
5110#define MR_TOGGLE_RX 0x00002000
5111#define MR_NP_RX 0x00004000
5112
5113#define MR_LINK_OK 0x80000000
5114
5115 unsigned long link_time, cur_time;
5116
5117 u32 ability_match_cfg;
5118 int ability_match_count;
5119
5120 char ability_match, idle_match, ack_match;
5121
5122 u32 txconfig, rxconfig;
5123#define ANEG_CFG_NP 0x00000080
5124#define ANEG_CFG_ACK 0x00000040
5125#define ANEG_CFG_RF2 0x00000020
5126#define ANEG_CFG_RF1 0x00000010
5127#define ANEG_CFG_PS2 0x00000001
5128#define ANEG_CFG_PS1 0x00008000
5129#define ANEG_CFG_HD 0x00004000
5130#define ANEG_CFG_FD 0x00002000
5131#define ANEG_CFG_INVAL 0x00001f06
5132
5133};
5134#define ANEG_OK 0
5135#define ANEG_DONE 1
5136#define ANEG_TIMER_ENAB 2
5137#define ANEG_FAILED -1
5138
5139#define ANEG_STATE_SETTLE_TIME 10000
5140
5141static int tg3_fiber_aneg_smachine(struct tg3 *tp,
5142 struct tg3_fiber_aneginfo *ap)
5143{
5be73b47 5144 u16 flowctrl;
1da177e4
LT		 5145 unsigned long delta;
5146 u32 rx_cfg_reg;
5147 int ret;
5148
5149 if (ap->state == ANEG_STATE_UNKNOWN) {
5150 ap->rxconfig = 0;
5151 ap->link_time = 0;
5152 ap->cur_time = 0;
5153 ap->ability_match_cfg = 0;
5154 ap->ability_match_count = 0;
5155 ap->ability_match = 0;
5156 ap->idle_match = 0;
5157 ap->ack_match = 0;
5158 }
5159 ap->cur_time++;
5160
5161 if (tr32(MAC_STATUS) & MAC_STATUS_RCVD_CFG) {
5162 rx_cfg_reg = tr32(MAC_RX_AUTO_NEG);
5163
5164 if (rx_cfg_reg != ap->ability_match_cfg) {
5165 ap->ability_match_cfg = rx_cfg_reg;
5166 ap->ability_match = 0;
5167 ap->ability_match_count = 0;
5168 } else {
5169 if (++ap->ability_match_count > 1) {
5170 ap->ability_match = 1;
5171 ap->ability_match_cfg = rx_cfg_reg;
5172 }
5173 }
5174 if (rx_cfg_reg & ANEG_CFG_ACK)
5175 ap->ack_match = 1;
5176 else
5177 ap->ack_match = 0;
5178
5179 ap->idle_match = 0;
5180 } else {
5181 ap->idle_match = 1;
5182 ap->ability_match_cfg = 0;
5183 ap->ability_match_count = 0;
5184 ap->ability_match = 0;
5185 ap->ack_match = 0;
5186
5187 rx_cfg_reg = 0;
5188 }
5189
5190 ap->rxconfig = rx_cfg_reg;
5191 ret = ANEG_OK;
5192
33f401ae 5193 switch (ap->state) {
1da177e4
LT		 5194 case ANEG_STATE_UNKNOWN:
5195 if (ap->flags & (MR_AN_ENABLE | MR_RESTART_AN))
5196 ap->state = ANEG_STATE_AN_ENABLE;
5197
df561f66 5198 fallthrough;
1da177e4
LT		 5199 case ANEG_STATE_AN_ENABLE:
5200 ap->flags &= ~(MR_AN_COMPLETE | MR_PAGE_RX);
5201 if (ap->flags & MR_AN_ENABLE) {
5202 ap->link_time = 0;
5203 ap->cur_time = 0;
5204 ap->ability_match_cfg = 0;
5205 ap->ability_match_count = 0;
5206 ap->ability_match = 0;
5207 ap->idle_match = 0;
5208 ap->ack_match = 0;
5209
5210 ap->state = ANEG_STATE_RESTART_INIT;
5211 } else {
5212 ap->state = ANEG_STATE_DISABLE_LINK_OK;
5213 }
5214 break;
5215
5216 case ANEG_STATE_RESTART_INIT:
5217 ap->link_time = ap->cur_time;
5218 ap->flags &= ~(MR_NP_LOADED);
5219 ap->txconfig = 0;
5220 tw32(MAC_TX_AUTO_NEG, 0);
5221 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
5222 tw32_f(MAC_MODE, tp->mac_mode);
5223 udelay(40);
5224
5225 ret = ANEG_TIMER_ENAB;
5226 ap->state = ANEG_STATE_RESTART;
5227
df561f66 5228 fallthrough;
1da177e4
LT		 5229 case ANEG_STATE_RESTART:
5230 delta = ap->cur_time - ap->link_time;
859a5887 5231 if (delta > ANEG_STATE_SETTLE_TIME)
1da177e4 5232 ap->state = ANEG_STATE_ABILITY_DETECT_INIT;
859a5887 5233 else
1da177e4 5234 ret = ANEG_TIMER_ENAB;
1da177e4
LT		 5235 break;
5236
5237 case ANEG_STATE_DISABLE_LINK_OK:
5238 ret = ANEG_DONE;
5239 break;
5240
5241 case ANEG_STATE_ABILITY_DETECT_INIT:
5242 ap->flags &= ~(MR_TOGGLE_TX);
5be73b47
MC		 5243 ap->txconfig = ANEG_CFG_FD;
5244 flowctrl = tg3_advert_flowctrl_1000X(tp->link_config.flowctrl);
5245 if (flowctrl & ADVERTISE_1000XPAUSE)
5246 ap->txconfig |= ANEG_CFG_PS1;
5247 if (flowctrl & ADVERTISE_1000XPSE_ASYM)
5248 ap->txconfig |= ANEG_CFG_PS2;
1da177e4
LT		 5249 tw32(MAC_TX_AUTO_NEG, ap->txconfig);
5250 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
5251 tw32_f(MAC_MODE, tp->mac_mode);
5252 udelay(40);
5253
5254 ap->state = ANEG_STATE_ABILITY_DETECT;
5255 break;
5256
5257 case ANEG_STATE_ABILITY_DETECT:
859a5887 5258 if (ap->ability_match != 0 && ap->rxconfig != 0)
1da177e4 5259 ap->state = ANEG_STATE_ACK_DETECT_INIT;
1da177e4
LT		 5260 break;
5261
5262 case ANEG_STATE_ACK_DETECT_INIT:
5263 ap->txconfig |= ANEG_CFG_ACK;
5264 tw32(MAC_TX_AUTO_NEG, ap->txconfig);
5265 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
5266 tw32_f(MAC_MODE, tp->mac_mode);
5267 udelay(40);
5268
5269 ap->state = ANEG_STATE_ACK_DETECT;
5270
df561f66 5271 fallthrough;
1da177e4
LT		 5272 case ANEG_STATE_ACK_DETECT:
5273 if (ap->ack_match != 0) {
5274 if ((ap->rxconfig & ~ANEG_CFG_ACK) ==
5275 (ap->ability_match_cfg & ~ANEG_CFG_ACK)) {
5276 ap->state = ANEG_STATE_COMPLETE_ACK_INIT;
5277 } else {
5278 ap->state = ANEG_STATE_AN_ENABLE;
5279 }
5280 } else if (ap->ability_match != 0 &&
5281 ap->rxconfig == 0) {
5282 ap->state = ANEG_STATE_AN_ENABLE;
5283 }
5284 break;
5285
5286 case ANEG_STATE_COMPLETE_ACK_INIT:
5287 if (ap->rxconfig & ANEG_CFG_INVAL) {
5288 ret = ANEG_FAILED;
5289 break;
5290 }
5291 ap->flags &= ~(MR_LP_ADV_FULL_DUPLEX |
5292 MR_LP_ADV_HALF_DUPLEX |
5293 MR_LP_ADV_SYM_PAUSE |
5294 MR_LP_ADV_ASYM_PAUSE |
5295 MR_LP_ADV_REMOTE_FAULT1 |
5296 MR_LP_ADV_REMOTE_FAULT2 |
5297 MR_LP_ADV_NEXT_PAGE |
5298 MR_TOGGLE_RX |
5299 MR_NP_RX);
5300 if (ap->rxconfig & ANEG_CFG_FD)
5301 ap->flags |= MR_LP_ADV_FULL_DUPLEX;
5302 if (ap->rxconfig & ANEG_CFG_HD)
5303 ap->flags |= MR_LP_ADV_HALF_DUPLEX;
5304 if (ap->rxconfig & ANEG_CFG_PS1)
5305 ap->flags |= MR_LP_ADV_SYM_PAUSE;
5306 if (ap->rxconfig & ANEG_CFG_PS2)
5307 ap->flags |= MR_LP_ADV_ASYM_PAUSE;
5308 if (ap->rxconfig & ANEG_CFG_RF1)
5309 ap->flags |= MR_LP_ADV_REMOTE_FAULT1;
5310 if (ap->rxconfig & ANEG_CFG_RF2)
5311 ap->flags |= MR_LP_ADV_REMOTE_FAULT2;
5312 if (ap->rxconfig & ANEG_CFG_NP)
5313 ap->flags |= MR_LP_ADV_NEXT_PAGE;
5314
5315 ap->link_time = ap->cur_time;
5316
5317 ap->flags ^= (MR_TOGGLE_TX);
5318 if (ap->rxconfig & 0x0008)
5319 ap->flags |= MR_TOGGLE_RX;
5320 if (ap->rxconfig & ANEG_CFG_NP)
5321 ap->flags |= MR_NP_RX;
5322 ap->flags |= MR_PAGE_RX;
5323
5324 ap->state = ANEG_STATE_COMPLETE_ACK;
5325 ret = ANEG_TIMER_ENAB;
5326 break;
5327
5328 case ANEG_STATE_COMPLETE_ACK:
5329 if (ap->ability_match != 0 &&
5330 ap->rxconfig == 0) {
5331 ap->state = ANEG_STATE_AN_ENABLE;
5332 break;
5333 }
5334 delta = ap->cur_time - ap->link_time;
5335 if (delta > ANEG_STATE_SETTLE_TIME) {
5336 if (!(ap->flags & (MR_LP_ADV_NEXT_PAGE))) {
5337 ap->state = ANEG_STATE_IDLE_DETECT_INIT;
5338 } else {
5339 if ((ap->txconfig & ANEG_CFG_NP) == 0 &&
5340 !(ap->flags & MR_NP_RX)) {
5341 ap->state = ANEG_STATE_IDLE_DETECT_INIT;
5342 } else {
5343 ret = ANEG_FAILED;
5344 }
5345 }
5346 }
5347 break;
5348
5349 case ANEG_STATE_IDLE_DETECT_INIT:
5350 ap->link_time = ap->cur_time;
5351 tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS;
5352 tw32_f(MAC_MODE, tp->mac_mode);
5353 udelay(40);
5354
5355 ap->state = ANEG_STATE_IDLE_DETECT;
5356 ret = ANEG_TIMER_ENAB;
5357 break;
5358
5359 case ANEG_STATE_IDLE_DETECT:
5360 if (ap->ability_match != 0 &&
5361 ap->rxconfig == 0) {
5362 ap->state = ANEG_STATE_AN_ENABLE;
5363 break;
5364 }
5365 delta = ap->cur_time - ap->link_time;
5366 if (delta > ANEG_STATE_SETTLE_TIME) {
5367 /* XXX another gem from the Broadcom driver :( */
5368 ap->state = ANEG_STATE_LINK_OK;
5369 }
5370 break;
5371
5372 case ANEG_STATE_LINK_OK:
5373 ap->flags |= (MR_AN_COMPLETE | MR_LINK_OK);
5374 ret = ANEG_DONE;
5375 break;
5376
5377 case ANEG_STATE_NEXT_PAGE_WAIT_INIT:
5378 /* ??? unimplemented */
5379 break;
5380
5381 case ANEG_STATE_NEXT_PAGE_WAIT:
5382 /* ??? unimplemented */
5383 break;
5384
5385 default:
5386 ret = ANEG_FAILED;
5387 break;
855e1111 5388 }
1da177e4
LT		 5389
5390 return ret;
5391}
5392
5be73b47 5393static int fiber_autoneg(struct tg3 *tp, u32 *txflags, u32 *rxflags)
1da177e4
LT		 5394{
5395 int res = 0;
5396 struct tg3_fiber_aneginfo aninfo;
5397 int status = ANEG_FAILED;
5398 unsigned int tick;
5399 u32 tmp;
5400
5401 tw32_f(MAC_TX_AUTO_NEG, 0);
5402
5403 tmp = tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK;
5404 tw32_f(MAC_MODE, tmp | MAC_MODE_PORT_MODE_GMII);
5405 udelay(40);
5406
5407 tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_SEND_CONFIGS);
5408 udelay(40);
5409
5410 memset(&aninfo, 0, sizeof(aninfo));
5411 aninfo.flags |= MR_AN_ENABLE;
5412 aninfo.state = ANEG_STATE_UNKNOWN;
5413 aninfo.cur_time = 0;
5414 tick = 0;
5415 while (++tick < 195000) {
5416 status = tg3_fiber_aneg_smachine(tp, &aninfo);
5417 if (status == ANEG_DONE || status == ANEG_FAILED)
5418 break;
5419
5420 udelay(1);
5421 }
5422
5423 tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS;
5424 tw32_f(MAC_MODE, tp->mac_mode);
5425 udelay(40);
5426
5be73b47
MC		 5427 *txflags = aninfo.txconfig;
5428 *rxflags = aninfo.flags;
1da177e4
LT		 5429
5430 if (status == ANEG_DONE &&
5431 (aninfo.flags & (MR_AN_COMPLETE | MR_LINK_OK |
5432 MR_LP_ADV_FULL_DUPLEX)))
5433 res = 1;
5434
5435 return res;
5436}
5437
5438static void tg3_init_bcm8002(struct tg3 *tp)
5439{
5440 u32 mac_status = tr32(MAC_STATUS);
5441 int i;
5442
5443 /* Reset when initting first time or we have a link. */
63c3a66f 5444 if (tg3_flag(tp, INIT_COMPLETE) &&
1da177e4
LT		 5445 !(mac_status & MAC_STATUS_PCS_SYNCED))
5446 return;
5447
5448 /* Set PLL lock range. */
5449 tg3_writephy(tp, 0x16, 0x8007);
5450
5451 /* SW reset */
5452 tg3_writephy(tp, MII_BMCR, BMCR_RESET);
5453
5454 /* Wait for reset to complete. */
5455 /* XXX schedule_timeout() ... */
5456 for (i = 0; i < 500; i++)
5457 udelay(10);
5458
5459 /* Config mode; select PMA/Ch 1 regs. */
5460 tg3_writephy(tp, 0x10, 0x8411);
5461
5462 /* Enable auto-lock and comdet, select txclk for tx. */
5463 tg3_writephy(tp, 0x11, 0x0a10);
5464
5465 tg3_writephy(tp, 0x18, 0x00a0);
5466 tg3_writephy(tp, 0x16, 0x41ff);
5467
5468 /* Assert and deassert POR. */
5469 tg3_writephy(tp, 0x13, 0x0400);
5470 udelay(40);
5471 tg3_writephy(tp, 0x13, 0x0000);
5472
5473 tg3_writephy(tp, 0x11, 0x0a50);
5474 udelay(40);
5475 tg3_writephy(tp, 0x11, 0x0a10);
5476
5477 /* Wait for signal to stabilize */
5478 /* XXX schedule_timeout() ... */
5479 for (i = 0; i < 15000; i++)
5480 udelay(10);
5481
5482 /* Deselect the channel register so we can read the PHYID
5483 * later.
5484 */
5485 tg3_writephy(tp, 0x10, 0x8011);
5486}
5487
953c96e0 5488static bool tg3_setup_fiber_hw_autoneg(struct tg3 *tp, u32 mac_status)
1da177e4 5489{
82cd3d11 5490 u16 flowctrl;
953c96e0 5491 bool current_link_up;
1da177e4
LT		 5492 u32 sg_dig_ctrl, sg_dig_status;
5493 u32 serdes_cfg, expected_sg_dig_ctrl;
5494 int workaround, port_a;
1da177e4
LT		 5495
5496 serdes_cfg = 0;
1da177e4
LT		 5497 workaround = 0;
5498 port_a = 1;
953c96e0 5499 current_link_up = false;
1da177e4 5500
4153577a
JP		 5501 if (tg3_chip_rev_id(tp) != CHIPREV_ID_5704_A0 &&
5502 tg3_chip_rev_id(tp) != CHIPREV_ID_5704_A1) {
1da177e4
LT		 5503 workaround = 1;
5504 if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
5505 port_a = 0;
5506
5507 /* preserve bits 0-11,13,14 for signal pre-emphasis */
5508 /* preserve bits 20-23 for voltage regulator */
5509 serdes_cfg = tr32(MAC_SERDES_CFG) & 0x00f06fff;
5510 }
5511
5512 sg_dig_ctrl = tr32(SG_DIG_CTRL);
5513
5514 if (tp->link_config.autoneg != AUTONEG_ENABLE) {
c98f6e3b 5515 if (sg_dig_ctrl & SG_DIG_USING_HW_AUTONEG) {
1da177e4
LT		 5516 if (workaround) {
5517 u32 val = serdes_cfg;
5518
5519 if (port_a)
5520 val |= 0xc010000;
5521 else
5522 val |= 0x4010000;
5523 tw32_f(MAC_SERDES_CFG, val);
5524 }
c98f6e3b
MC		 5525
5526 tw32_f(SG_DIG_CTRL, SG_DIG_COMMON_SETUP);
1da177e4
LT		 5527 }
5528 if (mac_status & MAC_STATUS_PCS_SYNCED) {
5529 tg3_setup_flow_control(tp, 0, 0);
953c96e0 5530 current_link_up = true;
1da177e4
LT		 5531 }
5532 goto out;
5533 }
5534
5535 /* Want auto-negotiation. */
c98f6e3b 5536 expected_sg_dig_ctrl = SG_DIG_USING_HW_AUTONEG | SG_DIG_COMMON_SETUP;
1da177e4 5537
82cd3d11
MC		 5538 flowctrl = tg3_advert_flowctrl_1000X(tp->link_config.flowctrl);
5539 if (flowctrl & ADVERTISE_1000XPAUSE)
5540 expected_sg_dig_ctrl |= SG_DIG_PAUSE_CAP;
5541 if (flowctrl & ADVERTISE_1000XPSE_ASYM)
5542 expected_sg_dig_ctrl |= SG_DIG_ASYM_PAUSE;
1da177e4
LT		 5543
5544 if (sg_dig_ctrl != expected_sg_dig_ctrl) {
f07e9af3 5545 if ((tp->phy_flags & TG3_PHYFLG_PARALLEL_DETECT) &&
3d3ebe74
MC		 5546 tp->serdes_counter &&
5547 ((mac_status & (MAC_STATUS_PCS_SYNCED |
5548 MAC_STATUS_RCVD_CFG)) ==
5549 MAC_STATUS_PCS_SYNCED)) {
5550 tp->serdes_counter--;
953c96e0 5551 current_link_up = true;
3d3ebe74
MC		 5552 goto out;
5553 }
5554restart_autoneg:
1da177e4
LT		 5555 if (workaround)
5556 tw32_f(MAC_SERDES_CFG, serdes_cfg | 0xc011000);
c98f6e3b 5557 tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl | SG_DIG_SOFT_RESET);
1da177e4
LT		 5558 udelay(5);
5559 tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl);
5560
3d3ebe74 5561 tp->serdes_counter = SERDES_AN_TIMEOUT_5704S;
f07e9af3 5562 tp->phy_flags &= ~TG3_PHYFLG_PARALLEL_DETECT;
1da177e4
LT		 5563 } else if (mac_status & (MAC_STATUS_PCS_SYNCED |
5564 MAC_STATUS_SIGNAL_DET)) {
3d3ebe74 5565 sg_dig_status = tr32(SG_DIG_STATUS);
1da177e4
LT		 5566 mac_status = tr32(MAC_STATUS);
5567
c98f6e3b 5568 if ((sg_dig_status & SG_DIG_AUTONEG_COMPLETE) &&
1da177e4 5569 (mac_status & MAC_STATUS_PCS_SYNCED)) {
82cd3d11
MC		 5570 u32 local_adv = 0, remote_adv = 0;
5571
5572 if (sg_dig_ctrl & SG_DIG_PAUSE_CAP)
5573 local_adv |= ADVERTISE_1000XPAUSE;
5574 if (sg_dig_ctrl & SG_DIG_ASYM_PAUSE)
5575 local_adv |= ADVERTISE_1000XPSE_ASYM;
1da177e4 5576
c98f6e3b 5577 if (sg_dig_status & SG_DIG_PARTNER_PAUSE_CAPABLE)
82cd3d11 5578 remote_adv |= LPA_1000XPAUSE;
c98f6e3b 5579 if (sg_dig_status & SG_DIG_PARTNER_ASYM_PAUSE)
82cd3d11 5580 remote_adv |= LPA_1000XPAUSE_ASYM;
1da177e4 5581
859edb26
MC		 5582 tp->link_config.rmt_adv =
5583 mii_adv_to_ethtool_adv_x(remote_adv);
5584
1da177e4 5585 tg3_setup_flow_control(tp, local_adv, remote_adv);
953c96e0 5586 current_link_up = true;
3d3ebe74 5587 tp->serdes_counter = 0;
f07e9af3 5588 tp->phy_flags &= ~TG3_PHYFLG_PARALLEL_DETECT;
c98f6e3b 5589 } else if (!(sg_dig_status & SG_DIG_AUTONEG_COMPLETE)) {
3d3ebe74
MC		 5590 if (tp->serdes_counter)
5591 tp->serdes_counter--;
1da177e4
LT		 5592 else {
5593 if (workaround) {
5594 u32 val = serdes_cfg;
5595
5596 if (port_a)
5597 val |= 0xc010000;
5598 else
5599 val |= 0x4010000;
5600
5601 tw32_f(MAC_SERDES_CFG, val);
5602 }
5603
c98f6e3b 5604 tw32_f(SG_DIG_CTRL, SG_DIG_COMMON_SETUP);
1da177e4
LT		 5605 udelay(40);
5606
5607 /* Link parallel detection - link is up */
5608 /* only if we have PCS_SYNC and not */
5609 /* receiving config code words */
5610 mac_status = tr32(MAC_STATUS);
5611 if ((mac_status & MAC_STATUS_PCS_SYNCED) &&
5612 !(mac_status & MAC_STATUS_RCVD_CFG)) {
5613 tg3_setup_flow_control(tp, 0, 0);
953c96e0 5614 current_link_up = true;
f07e9af3
MC		 5615 tp->phy_flags |=
5616 TG3_PHYFLG_PARALLEL_DETECT;
3d3ebe74
MC		 5617 tp->serdes_counter =
5618 SERDES_PARALLEL_DET_TIMEOUT;
5619 } else
5620 goto restart_autoneg;
1da177e4
LT		 5621 }
5622 }
3d3ebe74
MC		 5623 } else {
5624 tp->serdes_counter = SERDES_AN_TIMEOUT_5704S;
f07e9af3 5625 tp->phy_flags &= ~TG3_PHYFLG_PARALLEL_DETECT;
1da177e4
LT		 5626 }
5627
5628out:
5629 return current_link_up;
5630}
5631
953c96e0 5632static bool tg3_setup_fiber_by_hand(struct tg3 *tp, u32 mac_status)
1da177e4 5633{
953c96e0 5634 bool current_link_up = false;
1da177e4 5635
5cf64b8a 5636 if (!(mac_status & MAC_STATUS_PCS_SYNCED))
1da177e4 5637 goto out;
1da177e4
LT		 5638
5639 if (tp->link_config.autoneg == AUTONEG_ENABLE) {
5be73b47 5640 u32 txflags, rxflags;
1da177e4 5641 int i;
6aa20a22 5642
5be73b47
MC		 5643 if (fiber_autoneg(tp, &txflags, &rxflags)) {
5644 u32 local_adv = 0, remote_adv = 0;
1da177e4 5645
5be73b47
MC		 5646 if (txflags & ANEG_CFG_PS1)
5647 local_adv |= ADVERTISE_1000XPAUSE;
5648 if (txflags & ANEG_CFG_PS2)
5649 local_adv |= ADVERTISE_1000XPSE_ASYM;
5650
5651 if (rxflags & MR_LP_ADV_SYM_PAUSE)
5652 remote_adv |= LPA_1000XPAUSE;
5653 if (rxflags & MR_LP_ADV_ASYM_PAUSE)
5654 remote_adv |= LPA_1000XPAUSE_ASYM;
1da177e4 5655
859edb26
MC		 5656 tp->link_config.rmt_adv =
5657 mii_adv_to_ethtool_adv_x(remote_adv);
5658
1da177e4
LT		 5659 tg3_setup_flow_control(tp, local_adv, remote_adv);
5660
953c96e0 5661 current_link_up = true;
1da177e4
LT		 5662 }
5663 for (i = 0; i < 30; i++) {
5664 udelay(20);
5665 tw32_f(MAC_STATUS,
5666 (MAC_STATUS_SYNC_CHANGED |
5667 MAC_STATUS_CFG_CHANGED));
5668 udelay(40);
5669 if ((tr32(MAC_STATUS) &
5670 (MAC_STATUS_SYNC_CHANGED |
5671 MAC_STATUS_CFG_CHANGED)) == 0)
5672 break;
5673 }
5674
5675 mac_status = tr32(MAC_STATUS);
953c96e0 5676 if (!current_link_up &&
1da177e4
LT		 5677 (mac_status & MAC_STATUS_PCS_SYNCED) &&
5678 !(mac_status & MAC_STATUS_RCVD_CFG))
953c96e0 5679 current_link_up = true;
1da177e4 5680 } else {
5be73b47
MC		 5681 tg3_setup_flow_control(tp, 0, 0);
5682
1da177e4 5683 /* Forcing 1000FD link up. */
953c96e0 5684 current_link_up = true;
1da177e4
LT		 5685
5686 tw32_f(MAC_MODE, (tp->mac_mode | MAC_MODE_SEND_CONFIGS));
5687 udelay(40);
e8f3f6ca
MC		 5688
5689 tw32_f(MAC_MODE, tp->mac_mode);
5690 udelay(40);
1da177e4
LT		 5691 }
5692
5693out:
5694 return current_link_up;
5695}
5696
953c96e0 5697static int tg3_setup_fiber_phy(struct tg3 *tp, bool force_reset)
1da177e4
LT		 5698{
5699 u32 orig_pause_cfg;
caf2c520 5700 u32 orig_active_speed;
1da177e4
LT		 5701 u8 orig_active_duplex;
5702 u32 mac_status;
953c96e0 5703 bool current_link_up;
1da177e4
LT		 5704 int i;
5705
8d018621 5706 orig_pause_cfg = tp->link_config.active_flowctrl;
1da177e4
LT		 5707 orig_active_speed = tp->link_config.active_speed;
5708 orig_active_duplex = tp->link_config.active_duplex;
5709
63c3a66f 5710 if (!tg3_flag(tp, HW_AUTONEG) &&
f4a46d1f 5711 tp->link_up &&
63c3a66f 5712 tg3_flag(tp, INIT_COMPLETE)) {
1da177e4
LT		 5713 mac_status = tr32(MAC_STATUS);
5714 mac_status &= (MAC_STATUS_PCS_SYNCED |
5715 MAC_STATUS_SIGNAL_DET |
5716 MAC_STATUS_CFG_CHANGED |
5717 MAC_STATUS_RCVD_CFG);
5718 if (mac_status == (MAC_STATUS_PCS_SYNCED |
5719 MAC_STATUS_SIGNAL_DET)) {
5720 tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED |
5721 MAC_STATUS_CFG_CHANGED));
5722 return 0;
5723 }
5724 }
5725
5726 tw32_f(MAC_TX_AUTO_NEG, 0);
5727
5728 tp->mac_mode &= ~(MAC_MODE_PORT_MODE_MASK | MAC_MODE_HALF_DUPLEX);
5729 tp->mac_mode |= MAC_MODE_PORT_MODE_TBI;
5730 tw32_f(MAC_MODE, tp->mac_mode);
5731 udelay(40);
5732
79eb6904 5733 if (tp->phy_id == TG3_PHY_ID_BCM8002)
1da177e4
LT		 5734 tg3_init_bcm8002(tp);
5735
5736 /* Enable link change event even when serdes polling. */
5737 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
5738 udelay(40);
5739
859edb26 5740 tp->link_config.rmt_adv = 0;
1da177e4
LT		 5741 mac_status = tr32(MAC_STATUS);
5742
63c3a66f 5743 if (tg3_flag(tp, HW_AUTONEG))
1da177e4
LT		 5744 current_link_up = tg3_setup_fiber_hw_autoneg(tp, mac_status);
5745 else
5746 current_link_up = tg3_setup_fiber_by_hand(tp, mac_status);
5747
898a56f8 5748 tp->napi[0].hw_status->status =
1da177e4 5749 (SD_STATUS_UPDATED |
898a56f8 5750 (tp->napi[0].hw_status->status & ~SD_STATUS_LINK_CHG));
1da177e4
LT		 5751
5752 for (i = 0; i < 100; i++) {
5753 tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED |
5754 MAC_STATUS_CFG_CHANGED));
5755 udelay(5);
5756 if ((tr32(MAC_STATUS) & (MAC_STATUS_SYNC_CHANGED |
3d3ebe74
MC		 5757 MAC_STATUS_CFG_CHANGED |
5758 MAC_STATUS_LNKSTATE_CHANGED)) == 0)
1da177e4
LT		 5759 break;
5760 }
5761
5762 mac_status = tr32(MAC_STATUS);
5763 if ((mac_status & MAC_STATUS_PCS_SYNCED) == 0) {
953c96e0 5764 current_link_up = false;
3d3ebe74
MC		 5765 if (tp->link_config.autoneg == AUTONEG_ENABLE &&
5766 tp->serdes_counter == 0) {
1da177e4
LT		 5767 tw32_f(MAC_MODE, (tp->mac_mode |
5768 MAC_MODE_SEND_CONFIGS));
5769 udelay(1);
5770 tw32_f(MAC_MODE, tp->mac_mode);
5771 }
5772 }
5773
953c96e0 5774 if (current_link_up) {
1da177e4
LT		 5775 tp->link_config.active_speed = SPEED_1000;
5776 tp->link_config.active_duplex = DUPLEX_FULL;
5777 tw32(MAC_LED_CTRL, (tp->led_ctrl |
5778 LED_CTRL_LNKLED_OVERRIDE |
5779 LED_CTRL_1000MBPS_ON));
5780 } else {
e740522e
MC		 5781 tp->link_config.active_speed = SPEED_UNKNOWN;
5782 tp->link_config.active_duplex = DUPLEX_UNKNOWN;
1da177e4
LT		 5783 tw32(MAC_LED_CTRL, (tp->led_ctrl |
5784 LED_CTRL_LNKLED_OVERRIDE |
5785 LED_CTRL_TRAFFIC_OVERRIDE));
5786 }
5787
f4a46d1f 5788 if (!tg3_test_and_report_link_chg(tp, current_link_up)) {
8d018621 5789 u32 now_pause_cfg = tp->link_config.active_flowctrl;
1da177e4
LT		 5790 if (orig_pause_cfg != now_pause_cfg ||
5791 orig_active_speed != tp->link_config.active_speed ||
5792 orig_active_duplex != tp->link_config.active_duplex)
5793 tg3_link_report(tp);
5794 }
5795
5796 return 0;
5797}
5798
953c96e0 5799static int tg3_setup_fiber_mii_phy(struct tg3 *tp, bool force_reset)
747e8f8b 5800{
953c96e0 5801 int err = 0;
747e8f8b 5802 u32 bmsr, bmcr;
caf2c520 5803 u32 current_speed = SPEED_UNKNOWN;
85730a63 5804 u8 current_duplex = DUPLEX_UNKNOWN;
953c96e0 5805 bool current_link_up = false;
85730a63
MC		 5806 u32 local_adv, remote_adv, sgsr;
5807
5808 if ((tg3_asic_rev(tp) == ASIC_REV_5719 ||
5809 tg3_asic_rev(tp) == ASIC_REV_5720) &&
5810 !tg3_readphy(tp, SERDES_TG3_1000X_STATUS, &sgsr) &&
5811 (sgsr & SERDES_TG3_SGMII_MODE)) {
5812
5813 if (force_reset)
5814 tg3_phy_reset(tp);
5815
5816 tp->mac_mode &= ~MAC_MODE_PORT_MODE_MASK;
5817
5818 if (!(sgsr & SERDES_TG3_LINK_UP)) {
5819 tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
5820 } else {
953c96e0 5821 current_link_up = true;
85730a63
MC		 5822 if (sgsr & SERDES_TG3_SPEED_1000) {
5823 current_speed = SPEED_1000;
5824 tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
5825 } else if (sgsr & SERDES_TG3_SPEED_100) {
5826 current_speed = SPEED_100;
5827 tp->mac_mode |= MAC_MODE_PORT_MODE_MII;
5828 } else {
5829 current_speed = SPEED_10;
5830 tp->mac_mode |= MAC_MODE_PORT_MODE_MII;
5831 }
5832
5833 if (sgsr & SERDES_TG3_FULL_DUPLEX)
5834 current_duplex = DUPLEX_FULL;
5835 else
5836 current_duplex = DUPLEX_HALF;
5837 }
5838
5839 tw32_f(MAC_MODE, tp->mac_mode);
5840 udelay(40);
5841
5842 tg3_clear_mac_status(tp);
5843
5844 goto fiber_setup_done;
5845 }
747e8f8b
MC		 5846
5847 tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
5848 tw32_f(MAC_MODE, tp->mac_mode);
5849 udelay(40);
5850
3310e248 5851 tg3_clear_mac_status(tp);
747e8f8b
MC		 5852
5853 if (force_reset)
5854 tg3_phy_reset(tp);
5855
859edb26 5856 tp->link_config.rmt_adv = 0;
747e8f8b
MC		 5857
5858 err |= tg3_readphy(tp, MII_BMSR, &bmsr);
5859 err |= tg3_readphy(tp, MII_BMSR, &bmsr);
4153577a 5860 if (tg3_asic_rev(tp) == ASIC_REV_5714) {
d4d2c558
MC		 5861 if (tr32(MAC_TX_STATUS) & TX_STATUS_LINK_UP)
5862 bmsr |= BMSR_LSTATUS;
5863 else
5864 bmsr &= ~BMSR_LSTATUS;
5865 }
747e8f8b
MC		 5866
5867 err |= tg3_readphy(tp, MII_BMCR, &bmcr);
5868
5869 if ((tp->link_config.autoneg == AUTONEG_ENABLE) && !force_reset &&
f07e9af3 5870 (tp->phy_flags & TG3_PHYFLG_PARALLEL_DETECT)) {
747e8f8b
MC		 5871 /* do nothing, just check for link up at the end */
5872 } else if (tp->link_config.autoneg == AUTONEG_ENABLE) {
28011cf1 5873 u32 adv, newadv;
747e8f8b
MC		 5874
5875 err |= tg3_readphy(tp, MII_ADVERTISE, &adv);
28011cf1
MC		 5876 newadv = adv & ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF |
5877 ADVERTISE_1000XPAUSE |
5878 ADVERTISE_1000XPSE_ASYM |
5879 ADVERTISE_SLCT);
747e8f8b 5880
28011cf1 5881 newadv |= tg3_advert_flowctrl_1000X(tp->link_config.flowctrl);
37f07023 5882 newadv |= ethtool_adv_to_mii_adv_x(tp->link_config.advertising);
747e8f8b 5883
28011cf1
MC		 5884 if ((newadv != adv) || !(bmcr & BMCR_ANENABLE)) {
5885 tg3_writephy(tp, MII_ADVERTISE, newadv);
747e8f8b
MC		 5886 bmcr |= BMCR_ANENABLE | BMCR_ANRESTART;
5887 tg3_writephy(tp, MII_BMCR, bmcr);
5888
5889 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
3d3ebe74 5890 tp->serdes_counter = SERDES_AN_TIMEOUT_5714S;
f07e9af3 5891 tp->phy_flags &= ~TG3_PHYFLG_PARALLEL_DETECT;
747e8f8b
MC		 5892
5893 return err;
5894 }
5895 } else {
5896 u32 new_bmcr;
5897
5898 bmcr &= ~BMCR_SPEED1000;
5899 new_bmcr = bmcr & ~(BMCR_ANENABLE | BMCR_FULLDPLX);
5900
5901 if (tp->link_config.duplex == DUPLEX_FULL)
5902 new_bmcr |= BMCR_FULLDPLX;
5903
5904 if (new_bmcr != bmcr) {
5905 /* BMCR_SPEED1000 is a reserved bit that needs
5906 * to be set on write.
5907 */
5908 new_bmcr |= BMCR_SPEED1000;
5909
5910 /* Force a linkdown */
f4a46d1f 5911 if (tp->link_up) {
747e8f8b
MC		 5912 u32 adv;
5913
5914 err |= tg3_readphy(tp, MII_ADVERTISE, &adv);
5915 adv &= ~(ADVERTISE_1000XFULL |
5916 ADVERTISE_1000XHALF |
5917 ADVERTISE_SLCT);
5918 tg3_writephy(tp, MII_ADVERTISE, adv);
5919 tg3_writephy(tp, MII_BMCR, bmcr |
5920 BMCR_ANRESTART |
5921 BMCR_ANENABLE);
5922 udelay(10);
f4a46d1f 5923 tg3_carrier_off(tp);
747e8f8b
MC		 5924 }
5925 tg3_writephy(tp, MII_BMCR, new_bmcr);
5926 bmcr = new_bmcr;
5927 err |= tg3_readphy(tp, MII_BMSR, &bmsr);
5928 err |= tg3_readphy(tp, MII_BMSR, &bmsr);
4153577a 5929 if (tg3_asic_rev(tp) == ASIC_REV_5714) {
d4d2c558
MC		 5930 if (tr32(MAC_TX_STATUS) & TX_STATUS_LINK_UP)
5931 bmsr |= BMSR_LSTATUS;
5932 else
5933 bmsr &= ~BMSR_LSTATUS;
5934 }
f07e9af3 5935 tp->phy_flags &= ~TG3_PHYFLG_PARALLEL_DETECT;
747e8f8b
MC		 5936 }
5937 }
5938
5939 if (bmsr & BMSR_LSTATUS) {
5940 current_speed = SPEED_1000;
953c96e0 5941 current_link_up = true;
747e8f8b
MC		 5942 if (bmcr & BMCR_FULLDPLX)
5943 current_duplex = DUPLEX_FULL;
5944 else
5945 current_duplex = DUPLEX_HALF;
5946
ef167e27
MC		 5947 local_adv = 0;
5948 remote_adv = 0;
5949
747e8f8b 5950 if (bmcr & BMCR_ANENABLE) {
ef167e27 5951 u32 common;
747e8f8b
MC		 5952
5953 err |= tg3_readphy(tp, MII_ADVERTISE, &local_adv);
5954 err |= tg3_readphy(tp, MII_LPA, &remote_adv);
5955 common = local_adv & remote_adv;
5956 if (common & (ADVERTISE_1000XHALF |
5957 ADVERTISE_1000XFULL)) {
5958 if (common & ADVERTISE_1000XFULL)
5959 current_duplex = DUPLEX_FULL;
5960 else
5961 current_duplex = DUPLEX_HALF;
859edb26
MC		 5962
5963 tp->link_config.rmt_adv =
5964 mii_adv_to_ethtool_adv_x(remote_adv);
63c3a66f 5965 } else if (!tg3_flag(tp, 5780_CLASS)) {
57d8b880 5966 /* Link is up via parallel detect */
859a5887 5967 } else {
953c96e0 5968 current_link_up = false;
859a5887 5969 }
747e8f8b
MC		 5970 }
5971 }
5972
85730a63 5973fiber_setup_done:
953c96e0 5974 if (current_link_up && current_duplex == DUPLEX_FULL)
ef167e27
MC		 5975 tg3_setup_flow_control(tp, local_adv, remote_adv);
5976
747e8f8b
MC		 5977 tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX;
5978 if (tp->link_config.active_duplex == DUPLEX_HALF)
5979 tp->mac_mode |= MAC_MODE_HALF_DUPLEX;
5980
5981 tw32_f(MAC_MODE, tp->mac_mode);
5982 udelay(40);
5983
5984 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
5985
5986 tp->link_config.active_speed = current_speed;
5987 tp->link_config.active_duplex = current_duplex;
5988
f4a46d1f 5989 tg3_test_and_report_link_chg(tp, current_link_up);
747e8f8b
MC		 5990 return err;
5991}
5992
5993static void tg3_serdes_parallel_detect(struct tg3 *tp)
5994{
3d3ebe74 5995 if (tp->serdes_counter) {
747e8f8b 5996 /* Give autoneg time to complete. */
3d3ebe74 5997 tp->serdes_counter--;
747e8f8b
MC		 5998 return;
5999 }
c6cdf436 6000
f4a46d1f 6001 if (!tp->link_up &&
747e8f8b
MC		 6002 (tp->link_config.autoneg == AUTONEG_ENABLE)) {
6003 u32 bmcr;
6004
6005 tg3_readphy(tp, MII_BMCR, &bmcr);
6006 if (bmcr & BMCR_ANENABLE) {
6007 u32 phy1, phy2;
6008
6009 /* Select shadow register 0x1f */
f08aa1a8
MC		 6010 tg3_writephy(tp, MII_TG3_MISC_SHDW, 0x7c00);
6011 tg3_readphy(tp, MII_TG3_MISC_SHDW, &phy1);
747e8f8b
MC		 6012
6013 /* Select expansion interrupt status register */
f08aa1a8
MC		 6014 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
6015 MII_TG3_DSP_EXP1_INT_STAT);
6016 tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &phy2);
6017 tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &phy2);
747e8f8b
MC		 6018
6019 if ((phy1 & 0x10) && !(phy2 & 0x20)) {
6020 /* We have signal detect and not receiving
6021 * config code words, link is up by parallel
6022 * detection.
6023 */
6024
6025 bmcr &= ~BMCR_ANENABLE;
6026 bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
6027 tg3_writephy(tp, MII_BMCR, bmcr);
f07e9af3 6028 tp->phy_flags |= TG3_PHYFLG_PARALLEL_DETECT;
747e8f8b
MC		 6029 }
6030 }
f4a46d1f 6031 } else if (tp->link_up &&
859a5887 6032 (tp->link_config.autoneg == AUTONEG_ENABLE) &&
f07e9af3 6033 (tp->phy_flags & TG3_PHYFLG_PARALLEL_DETECT)) {
747e8f8b
MC		 6034 u32 phy2;
6035
6036 /* Select expansion interrupt status register */
f08aa1a8
MC		 6037 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
6038 MII_TG3_DSP_EXP1_INT_STAT);
6039 tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &phy2);
747e8f8b
MC		 6040 if (phy2 & 0x20) {
6041 u32 bmcr;
6042
6043 /* Config code words received, turn on autoneg. */
6044 tg3_readphy(tp, MII_BMCR, &bmcr);
6045 tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANENABLE);
6046
f07e9af3 6047 tp->phy_flags &= ~TG3_PHYFLG_PARALLEL_DETECT;
747e8f8b
MC		 6048
6049 }
6050 }
6051}
6052
953c96e0 6053static int tg3_setup_phy(struct tg3 *tp, bool force_reset)
1da177e4 6054{
f2096f94 6055 u32 val;
1da177e4
LT		 6056 int err;
6057
f07e9af3 6058 if (tp->phy_flags & TG3_PHYFLG_PHY_SERDES)
1da177e4 6059 err = tg3_setup_fiber_phy(tp, force_reset);
f07e9af3 6060 else if (tp->phy_flags & TG3_PHYFLG_MII_SERDES)
747e8f8b 6061 err = tg3_setup_fiber_mii_phy(tp, force_reset);
859a5887 6062 else
1da177e4 6063 err = tg3_setup_copper_phy(tp, force_reset);
1da177e4 6064
4153577a 6065 if (tg3_chip_rev(tp) == CHIPREV_5784_AX) {
f2096f94 6066 u32 scale;
aa6c91fe
MC		 6067
6068 val = tr32(TG3_CPMU_CLCK_STAT) & CPMU_CLCK_STAT_MAC_CLCK_MASK;
6069 if (val == CPMU_CLCK_STAT_MAC_CLCK_62_5)
6070 scale = 65;
6071 else if (val == CPMU_CLCK_STAT_MAC_CLCK_6_25)
6072 scale = 6;
6073 else
6074 scale = 12;
6075
6076 val = tr32(GRC_MISC_CFG) & ~GRC_MISC_CFG_PRESCALAR_MASK;
6077 val |= (scale << GRC_MISC_CFG_PRESCALAR_SHIFT);
6078 tw32(GRC_MISC_CFG, val);
6079 }
6080
f2096f94
MC		 6081 val = (2 << TX_LENGTHS_IPG_CRS_SHIFT) |
6082 (6 << TX_LENGTHS_IPG_SHIFT);
4153577a
JP		 6083 if (tg3_asic_rev(tp) == ASIC_REV_5720 ||
6084 tg3_asic_rev(tp) == ASIC_REV_5762)
f2096f94
MC		 6085 val |= tr32(MAC_TX_LENGTHS) &
6086 (TX_LENGTHS_JMB_FRM_LEN_MSK |
6087 TX_LENGTHS_CNT_DWN_VAL_MSK);
6088
1da177e4
LT		 6089 if (tp->link_config.active_speed == SPEED_1000 &&
6090 tp->link_config.active_duplex == DUPLEX_HALF)
f2096f94
MC		 6091 tw32(MAC_TX_LENGTHS, val |
6092 (0xff << TX_LENGTHS_SLOT_TIME_SHIFT));
1da177e4 6093 else
f2096f94
MC		 6094 tw32(MAC_TX_LENGTHS, val |
6095 (32 << TX_LENGTHS_SLOT_TIME_SHIFT));
1da177e4 6096
63c3a66f 6097 if (!tg3_flag(tp, 5705_PLUS)) {
f4a46d1f 6098 if (tp->link_up) {
1da177e4 6099 tw32(HOSTCC_STAT_COAL_TICKS,
15f9850d 6100 tp->coal.stats_block_coalesce_usecs);
1da177e4
LT		 6101 } else {
6102 tw32(HOSTCC_STAT_COAL_TICKS, 0);
6103 }
6104 }
6105
63c3a66f 6106 if (tg3_flag(tp, ASPM_WORKAROUND)) {
f2096f94 6107 val = tr32(PCIE_PWR_MGMT_THRESH);
f4a46d1f 6108 if (!tp->link_up)
8ed5d97e
MC		 6109 val = (val & ~PCIE_PWR_MGMT_L1_THRESH_MSK) |
6110 tp->pwrmgmt_thresh;
6111 else
6112 val |= PCIE_PWR_MGMT_L1_THRESH_MSK;
6113 tw32(PCIE_PWR_MGMT_THRESH, val);
6114 }
6115
1da177e4
LT		 6116 return err;
6117}
6118
7d41e49a 6119/* tp->lock must be held */
6fe42e22 6120static u64 tg3_refclk_read(struct tg3 *tp, struct ptp_system_timestamp *sts)
7d41e49a 6121{
6fe42e22
ML		 6122 u64 stamp;
6123
6124 ptp_read_system_prets(sts);
6125 stamp = tr32(TG3_EAV_REF_CLCK_LSB);
6126 ptp_read_system_postts(sts);
6127 stamp |= (u64)tr32(TG3_EAV_REF_CLCK_MSB) << 32;
6128
6129 return stamp;
7d41e49a
MC		 6130}
6131
be947307
MC		 6132/* tp->lock must be held */
6133static void tg3_refclk_write(struct tg3 *tp, u64 newval)
6134{
92e6457d
NS		 6135 u32 clock_ctl = tr32(TG3_EAV_REF_CLCK_CTL);
6136
6137 tw32(TG3_EAV_REF_CLCK_CTL, clock_ctl | TG3_EAV_REF_CLCK_CTL_STOP);
be947307
MC		 6138 tw32(TG3_EAV_REF_CLCK_LSB, newval & 0xffffffff);
6139 tw32(TG3_EAV_REF_CLCK_MSB, newval >> 32);
92e6457d 6140 tw32_f(TG3_EAV_REF_CLCK_CTL, clock_ctl | TG3_EAV_REF_CLCK_CTL_RESUME);
be947307
MC		 6141}
6142
7d41e49a
MC		 6143static inline void tg3_full_lock(struct tg3 *tp, int irq_sync);
6144static inline void tg3_full_unlock(struct tg3 *tp);
2111375b 6145static int tg3_get_ts_info(struct net_device *dev, struct kernel_ethtool_ts_info *info)
7d41e49a
MC		 6146{
6147 struct tg3 *tp = netdev_priv(dev);
6148
0644646d 6149 info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE;
f233a976
FL		 6150
6151 if (tg3_flag(tp, PTP_CAPABLE)) {
32e19272 6152 info->so_timestamping |= SOF_TIMESTAMPING_TX_HARDWARE |
f233a976
FL		 6153 SOF_TIMESTAMPING_RX_HARDWARE |
6154 SOF_TIMESTAMPING_RAW_HARDWARE;
6155 }
7d41e49a
MC		 6156
6157 if (tp->ptp_clock)
6158 info->phc_index = ptp_clock_index(tp->ptp_clock);
7d41e49a
MC		 6159
6160 info->tx_types = (1 << HWTSTAMP_TX_OFF) | (1 << HWTSTAMP_TX_ON);
6161
6162 info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) |
6163 (1 << HWTSTAMP_FILTER_PTP_V1_L4_EVENT) |
6164 (1 << HWTSTAMP_FILTER_PTP_V2_L2_EVENT) |
6165 (1 << HWTSTAMP_FILTER_PTP_V2_L4_EVENT);
6166 return 0;
6167}
6168
e3f18e9d 6169static int tg3_ptp_adjfine(struct ptp_clock_info *ptp, long scaled_ppm)
7d41e49a
MC		 6170{
6171 struct tg3 *tp = container_of(ptp, struct tg3, ptp_info);
e3f18e9d
JK		 6172 u64 correction;
6173 bool neg_adj;
7d41e49a
MC		 6174
6175 /* Frequency adjustment is performed using hardware with a 24 bit
6176 * accumulator and a programmable correction value. On each clk, the
6177 * correction value gets added to the accumulator and when it
6178 * overflows, the time counter is incremented/decremented.
7d41e49a 6179 */
e3f18e9d 6180 neg_adj = diff_by_scaled_ppm(1 << 24, scaled_ppm, &correction);
7d41e49a
MC		 6181
6182 tg3_full_lock(tp, 0);
6183
6184 if (correction)
6185 tw32(TG3_EAV_REF_CLK_CORRECT_CTL,
6186 TG3_EAV_REF_CLK_CORRECT_EN |
e3f18e9d
JK		 6187 (neg_adj ? TG3_EAV_REF_CLK_CORRECT_NEG : 0) |
6188 ((u32)correction & TG3_EAV_REF_CLK_CORRECT_MASK));
7d41e49a
MC		 6189 else
6190 tw32(TG3_EAV_REF_CLK_CORRECT_CTL, 0);
6191
6192 tg3_full_unlock(tp);
6193
6194 return 0;
6195}
6196
6197static int tg3_ptp_adjtime(struct ptp_clock_info *ptp, s64 delta)
6198{
6199 struct tg3 *tp = container_of(ptp, struct tg3, ptp_info);
6200
6201 tg3_full_lock(tp, 0);
6202 tp->ptp_adjust += delta;
6203 tg3_full_unlock(tp);
6204
6205 return 0;
6206}
6207
6fe42e22
ML		 6208static int tg3_ptp_gettimex(struct ptp_clock_info *ptp, struct timespec64 *ts,
6209 struct ptp_system_timestamp *sts)
7d41e49a
MC		 6210{
6211 u64 ns;
7d41e49a
MC		 6212 struct tg3 *tp = container_of(ptp, struct tg3, ptp_info);
6213
6214 tg3_full_lock(tp, 0);
6fe42e22 6215 ns = tg3_refclk_read(tp, sts);
7d41e49a
MC		 6216 ns += tp->ptp_adjust;
6217 tg3_full_unlock(tp);
6218
7a20efb0 6219 *ts = ns_to_timespec64(ns);
7d41e49a
MC		 6220
6221 return 0;
6222}
6223
6224static int tg3_ptp_settime(struct ptp_clock_info *ptp,
f578b418 6225 const struct timespec64 *ts)
7d41e49a
MC		 6226{
6227 u64 ns;
6228 struct tg3 *tp = container_of(ptp, struct tg3, ptp_info);
6229
f578b418 6230 ns = timespec64_to_ns(ts);
7d41e49a
MC		 6231
6232 tg3_full_lock(tp, 0);
6233 tg3_refclk_write(tp, ns);
6234 tp->ptp_adjust = 0;
6235 tg3_full_unlock(tp);
6236
6237 return 0;
6238}
6239
6240static int tg3_ptp_enable(struct ptp_clock_info *ptp,
6241 struct ptp_clock_request *rq, int on)
6242{
92e6457d
NS		 6243 struct tg3 *tp = container_of(ptp, struct tg3, ptp_info);
6244 u32 clock_ctl;
6245 int rval = 0;
6246
6247 switch (rq->type) {
6248 case PTP_CLK_REQ_PEROUT:
7f9048f1
JK		 6249 /* Reject requests with unsupported flags */
6250 if (rq->perout.flags)
6251 return -EOPNOTSUPP;
6252
92e6457d
NS		 6253 if (rq->perout.index != 0)
6254 return -EINVAL;
6255
6256 tg3_full_lock(tp, 0);
6257 clock_ctl = tr32(TG3_EAV_REF_CLCK_CTL);
6258 clock_ctl &= ~TG3_EAV_CTL_TSYNC_GPIO_MASK;
6259
6260 if (on) {
6261 u64 nsec;
6262
6263 nsec = rq->perout.start.sec * 1000000000ULL +
6264 rq->perout.start.nsec;
6265
6266 if (rq->perout.period.sec || rq->perout.period.nsec) {
6267 netdev_warn(tp->dev,
6268 "Device supports only a one-shot timesync output, period must be 0\n");
6269 rval = -EINVAL;
6270 goto err_out;
6271 }
6272
6273 if (nsec & (1ULL << 63)) {
6274 netdev_warn(tp->dev,
6275 "Start value (nsec) is over limit. Maximum size of start is only 63 bits\n");
6276 rval = -EINVAL;
6277 goto err_out;
6278 }
6279
6280 tw32(TG3_EAV_WATCHDOG0_LSB, (nsec & 0xffffffff));
6281 tw32(TG3_EAV_WATCHDOG0_MSB,
6282 TG3_EAV_WATCHDOG0_EN |
6283 ((nsec >> 32) & TG3_EAV_WATCHDOG_MSB_MASK));
6284
6285 tw32(TG3_EAV_REF_CLCK_CTL,
6286 clock_ctl | TG3_EAV_CTL_TSYNC_WDOG0);
6287 } else {
6288 tw32(TG3_EAV_WATCHDOG0_MSB, 0);
6289 tw32(TG3_EAV_REF_CLCK_CTL, clock_ctl);
6290 }
6291
6292err_out:
6293 tg3_full_unlock(tp);
6294 return rval;
6295
6296 default:
6297 break;
6298 }
6299
7d41e49a
MC		 6300 return -EOPNOTSUPP;
6301}
6302
b22f21f7
PC		 6303static void tg3_hwclock_to_timestamp(struct tg3 *tp, u64 hwclock,
6304 struct skb_shared_hwtstamps *timestamp)
6305{
6306 memset(timestamp, 0, sizeof(struct skb_shared_hwtstamps));
6307 timestamp->hwtstamp = ns_to_ktime((hwclock & TG3_TSTAMP_MASK) +
6308 tp->ptp_adjust);
6309}
6310
6311static void tg3_read_tx_tstamp(struct tg3 *tp, u64 *hwclock)
6312{
6313 *hwclock = tr32(TG3_TX_TSTAMP_LSB);
6314 *hwclock |= (u64)tr32(TG3_TX_TSTAMP_MSB) << 32;
6315}
6316
6317static long tg3_ptp_ts_aux_work(struct ptp_clock_info *ptp)
6318{
6319 struct tg3 *tp = container_of(ptp, struct tg3, ptp_info);
6320 struct skb_shared_hwtstamps timestamp;
6321 u64 hwclock;
6322
6323 if (tp->ptp_txts_retrycnt > 2)
6324 goto done;
6325
6326 tg3_read_tx_tstamp(tp, &hwclock);
6327
6328 if (hwclock != tp->pre_tx_ts) {
6329 tg3_hwclock_to_timestamp(tp, hwclock, &timestamp);
6330 skb_tstamp_tx(tp->tx_tstamp_skb, &timestamp);
6331 goto done;
6332 }
6333 tp->ptp_txts_retrycnt++;
6334 return HZ / 10;
6335done:
6336 dev_consume_skb_any(tp->tx_tstamp_skb);
6337 tp->tx_tstamp_skb = NULL;
6338 tp->ptp_txts_retrycnt = 0;
6339 tp->pre_tx_ts = 0;
6340 return -1;
6341}
6342
7d41e49a
MC		 6343static const struct ptp_clock_info tg3_ptp_caps = {
6344 .owner = THIS_MODULE,
6345 .name = "tg3 clock",
6346 .max_adj = 250000000,
6347 .n_alarm = 0,
6348 .n_ext_ts = 0,
92e6457d 6349 .n_per_out = 1,
4986b4f0 6350 .n_pins = 0,
7d41e49a 6351 .pps = 0,
e3f18e9d 6352 .adjfine = tg3_ptp_adjfine,
7d41e49a 6353 .adjtime = tg3_ptp_adjtime,
b22f21f7 6354 .do_aux_work = tg3_ptp_ts_aux_work,
6fe42e22 6355 .gettimex64 = tg3_ptp_gettimex,
f578b418 6356 .settime64 = tg3_ptp_settime,
7d41e49a
MC		 6357 .enable = tg3_ptp_enable,
6358};
6359
be947307
MC		 6360/* tp->lock must be held */
6361static void tg3_ptp_init(struct tg3 *tp)
6362{
6363 if (!tg3_flag(tp, PTP_CAPABLE))
6364 return;
6365
6366 /* Initialize the hardware clock to the system time. */
6367 tg3_refclk_write(tp, ktime_to_ns(ktime_get_real()));
6368 tp->ptp_adjust = 0;
7d41e49a 6369 tp->ptp_info = tg3_ptp_caps;
be947307
MC		 6370}
6371
6372/* tp->lock must be held */
6373static void tg3_ptp_resume(struct tg3 *tp)
6374{
6375 if (!tg3_flag(tp, PTP_CAPABLE))
6376 return;
6377
6378 tg3_refclk_write(tp, ktime_to_ns(ktime_get_real()) + tp->ptp_adjust);
6379 tp->ptp_adjust = 0;
6380}
6381
6382static void tg3_ptp_fini(struct tg3 *tp)
6383{
6384 if (!tg3_flag(tp, PTP_CAPABLE) || !tp->ptp_clock)
6385 return;
6386
7d41e49a 6387 ptp_clock_unregister(tp->ptp_clock);
be947307
MC		 6388 tp->ptp_clock = NULL;
6389 tp->ptp_adjust = 0;
b22f21f7
PC		 6390 dev_consume_skb_any(tp->tx_tstamp_skb);
6391 tp->tx_tstamp_skb = NULL;
be947307
MC		 6392}
6393
66cfd1bd
MC		 6394static inline int tg3_irq_sync(struct tg3 *tp)
6395{
6396 return tp->irq_sync;
6397}
6398
97bd8e49
MC		 6399static inline void tg3_rd32_loop(struct tg3 *tp, u32 *dst, u32 off, u32 len)
6400{
6401 int i;
6402
6403 dst = (u32 *)((u8 *)dst + off);
6404 for (i = 0; i < len; i += sizeof(u32))
6405 *dst++ = tr32(off + i);
6406}
6407
6408static void tg3_dump_legacy_regs(struct tg3 *tp, u32 *regs)
6409{
6410 tg3_rd32_loop(tp, regs, TG3PCI_VENDOR, 0xb0);
6411 tg3_rd32_loop(tp, regs, MAILBOX_INTERRUPT_0, 0x200);
6412 tg3_rd32_loop(tp, regs, MAC_MODE, 0x4f0);
6413 tg3_rd32_loop(tp, regs, SNDDATAI_MODE, 0xe0);
6414 tg3_rd32_loop(tp, regs, SNDDATAC_MODE, 0x04);
6415 tg3_rd32_loop(tp, regs, SNDBDS_MODE, 0x80);
6416 tg3_rd32_loop(tp, regs, SNDBDI_MODE, 0x48);
6417 tg3_rd32_loop(tp, regs, SNDBDC_MODE, 0x04);
6418 tg3_rd32_loop(tp, regs, RCVLPC_MODE, 0x20);
6419 tg3_rd32_loop(tp, regs, RCVLPC_SELLST_BASE, 0x15c);
6420 tg3_rd32_loop(tp, regs, RCVDBDI_MODE, 0x0c);
6421 tg3_rd32_loop(tp, regs, RCVDBDI_JUMBO_BD, 0x3c);
6422 tg3_rd32_loop(tp, regs, RCVDBDI_BD_PROD_IDX_0, 0x44);
6423 tg3_rd32_loop(tp, regs, RCVDCC_MODE, 0x04);
6424 tg3_rd32_loop(tp, regs, RCVBDI_MODE, 0x20);
6425 tg3_rd32_loop(tp, regs, RCVCC_MODE, 0x14);
6426 tg3_rd32_loop(tp, regs, RCVLSC_MODE, 0x08);
6427 tg3_rd32_loop(tp, regs, MBFREE_MODE, 0x08);
6428 tg3_rd32_loop(tp, regs, HOSTCC_MODE, 0x100);
6429
63c3a66f 6430 if (tg3_flag(tp, SUPPORT_MSIX))
97bd8e49
MC		 6431 tg3_rd32_loop(tp, regs, HOSTCC_RXCOL_TICKS_VEC1, 0x180);
6432
6433 tg3_rd32_loop(tp, regs, MEMARB_MODE, 0x10);
6434 tg3_rd32_loop(tp, regs, BUFMGR_MODE, 0x58);
6435 tg3_rd32_loop(tp, regs, RDMAC_MODE, 0x08);
6436 tg3_rd32_loop(tp, regs, WDMAC_MODE, 0x08);
6437 tg3_rd32_loop(tp, regs, RX_CPU_MODE, 0x04);
6438 tg3_rd32_loop(tp, regs, RX_CPU_STATE, 0x04);
6439 tg3_rd32_loop(tp, regs, RX_CPU_PGMCTR, 0x04);
6440 tg3_rd32_loop(tp, regs, RX_CPU_HWBKPT, 0x04);
6441
63c3a66f 6442 if (!tg3_flag(tp, 5705_PLUS)) {
97bd8e49
MC		 6443 tg3_rd32_loop(tp, regs, TX_CPU_MODE, 0x04);
6444 tg3_rd32_loop(tp, regs, TX_CPU_STATE, 0x04);
6445 tg3_rd32_loop(tp, regs, TX_CPU_PGMCTR, 0x04);
6446 }
6447
6448 tg3_rd32_loop(tp, regs, GRCMBOX_INTERRUPT_0, 0x110);
6449 tg3_rd32_loop(tp, regs, FTQ_RESET, 0x120);
6450 tg3_rd32_loop(tp, regs, MSGINT_MODE, 0x0c);
6451 tg3_rd32_loop(tp, regs, DMAC_MODE, 0x04);
6452 tg3_rd32_loop(tp, regs, GRC_MODE, 0x4c);
6453
63c3a66f 6454 if (tg3_flag(tp, NVRAM))
97bd8e49
MC		 6455 tg3_rd32_loop(tp, regs, NVRAM_CMD, 0x24);
6456}
6457
6458static void tg3_dump_state(struct tg3 *tp)
6459{
6460 int i;
6461 u32 *regs;
6462
16b55b1f
TT		 6463 /* If it is a PCI error, all registers will be 0xffff,
6464 * we don't dump them out, just report the error and return
6465 */
6466 if (tp->pdev->error_state != pci_channel_io_normal) {
6467 netdev_err(tp->dev, "PCI channel ERROR!\n");
6468 return;
6469 }
6470
97bd8e49 6471 regs = kzalloc(TG3_REG_BLK_SIZE, GFP_ATOMIC);
b2adaca9 6472 if (!regs)
97bd8e49 6473 return;
97bd8e49 6474
63c3a66f 6475 if (tg3_flag(tp, PCI_EXPRESS)) {
97bd8e49
MC		 6476 /* Read up to but not including private PCI registers */
6477 for (i = 0; i < TG3_PCIE_TLDLPL_PORT; i += sizeof(u32))
6478 regs[i / sizeof(u32)] = tr32(i);
6479 } else
6480 tg3_dump_legacy_regs(tp, regs);
6481
6482 for (i = 0; i < TG3_REG_BLK_SIZE / sizeof(u32); i += 4) {
6483 if (!regs[i + 0] && !regs[i + 1] &&
6484 !regs[i + 2] && !regs[i + 3])
6485 continue;
6486
6487 netdev_err(tp->dev, "0x%08x: 0x%08x, 0x%08x, 0x%08x, 0x%08x\n",
6488 i * 4,
6489 regs[i + 0], regs[i + 1], regs[i + 2], regs[i + 3]);
6490 }
6491
6492 kfree(regs);
6493
6494 for (i = 0; i < tp->irq_cnt; i++) {
6495 struct tg3_napi *tnapi = &tp->napi[i];
6496
6497 /* SW status block */
6498 netdev_err(tp->dev,
6499 "%d: Host status block [%08x:%08x:(%04x:%04x:%04x):(%04x:%04x)]\n",
6500 i,
6501 tnapi->hw_status->status,
6502 tnapi->hw_status->status_tag,
6503 tnapi->hw_status->rx_jumbo_consumer,
6504 tnapi->hw_status->rx_consumer,
6505 tnapi->hw_status->rx_mini_consumer,
6506 tnapi->hw_status->idx[0].rx_producer,
6507 tnapi->hw_status->idx[0].tx_consumer);
6508
6509 netdev_err(tp->dev,
6510 "%d: NAPI info [%08x:%08x:(%04x:%04x:%04x):%04x:(%04x:%04x:%04x:%04x)]\n",
6511 i,
6512 tnapi->last_tag, tnapi->last_irq_tag,
6513 tnapi->tx_prod, tnapi->tx_cons, tnapi->tx_pending,
6514 tnapi->rx_rcb_ptr,
6515 tnapi->prodring.rx_std_prod_idx,
6516 tnapi->prodring.rx_std_cons_idx,
6517 tnapi->prodring.rx_jmb_prod_idx,
6518 tnapi->prodring.rx_jmb_cons_idx);
6519 }
6520}
6521
df3e6548
MC		 6522/* This is called whenever we suspect that the system chipset is re-
6523 * ordering the sequence of MMIO to the tx send mailbox. The symptom
6524 * is bogus tx completions. We try to recover by setting the
6525 * TG3_FLAG_MBOX_WRITE_REORDER flag and resetting the chip later
6526 * in the workqueue.
6527 */
6528static void tg3_tx_recover(struct tg3 *tp)
6529{
63c3a66f 6530 BUG_ON(tg3_flag(tp, MBOX_WRITE_REORDER) ||
df3e6548
MC		 6531 tp->write32_tx_mbox == tg3_write_indirect_mbox);
6532
5129c3a3
MC		 6533 netdev_warn(tp->dev,
6534 "The system may be re-ordering memory-mapped I/O "
6535 "cycles to the network device, attempting to recover. "
6536 "Please report the problem to the driver maintainer "
6537 "and include system chipset information.\n");
df3e6548 6538
63c3a66f 6539 tg3_flag_set(tp, TX_RECOVERY_PENDING);
df3e6548
MC		 6540}
6541
f3f3f27e 6542static inline u32 tg3_tx_avail(struct tg3_napi *tnapi)
1b2a7205 6543{
f65aac16
MC		 6544 /* Tell compiler to fetch tx indices from memory. */
6545 barrier();
f3f3f27e
MC		 6546 return tnapi->tx_pending -
6547 ((tnapi->tx_prod - tnapi->tx_cons) & (TG3_TX_RING_SIZE - 1));
1b2a7205
MC		 6548}
6549
1da177e4
LT		 6550/* Tigon3 never reports partial packet sends. So we do not
6551 * need special logic to handle SKBs that have not had all
6552 * of their frags sent yet, like SunGEM does.
6553 */
17375d25 6554static void tg3_tx(struct tg3_napi *tnapi)
1da177e4 6555{
17375d25 6556 struct tg3 *tp = tnapi->tp;
898a56f8 6557 u32 hw_idx = tnapi->hw_status->idx[0].tx_consumer;
f3f3f27e 6558 u32 sw_idx = tnapi->tx_cons;
fe5f5787
MC		 6559 struct netdev_queue *txq;
6560 int index = tnapi - tp->napi;
298376d3 6561 unsigned int pkts_compl = 0, bytes_compl = 0;
fe5f5787 6562
63c3a66f 6563 if (tg3_flag(tp, ENABLE_TSS))
fe5f5787
MC		 6564 index--;
6565
6566 txq = netdev_get_tx_queue(tp->dev, index);
1da177e4
LT		 6567
6568 while (sw_idx != hw_idx) {
df8944cf 6569 struct tg3_tx_ring_info *ri = &tnapi->tx_buffers[sw_idx];
b22f21f7 6570 bool complete_skb_later = false;
1da177e4 6571 struct sk_buff *skb = ri->skb;
df3e6548
MC		 6572 int i, tx_bug = 0;
6573
6574 if (unlikely(skb == NULL)) {
6575 tg3_tx_recover(tp);
6576 return;
6577 }
1da177e4 6578
fb4ce8ad
MC		 6579 if (tnapi->tx_ring[sw_idx].len_flags & TXD_FLAG_HWTSTAMP) {
6580 struct skb_shared_hwtstamps timestamp;
b22f21f7 6581 u64 hwclock;
fb4ce8ad 6582
b22f21f7
PC		 6583 tg3_read_tx_tstamp(tp, &hwclock);
6584 if (hwclock != tp->pre_tx_ts) {
6585 tg3_hwclock_to_timestamp(tp, hwclock, &timestamp);
6586 skb_tstamp_tx(skb, &timestamp);
6587 tp->pre_tx_ts = 0;
6588 } else {
6589 tp->tx_tstamp_skb = skb;
6590 complete_skb_later = true;
6591 }
fb4ce8ad
MC		 6592 }
6593
df70303d
CJ		 6594 dma_unmap_single(&tp->pdev->dev, dma_unmap_addr(ri, mapping),
6595 skb_headlen(skb), DMA_TO_DEVICE);
1da177e4
LT		 6596
6597 ri->skb = NULL;
6598
e01ee14d
MC		 6599 while (ri->fragmented) {
6600 ri->fragmented = false;
6601 sw_idx = NEXT_TX(sw_idx);
6602 ri = &tnapi->tx_buffers[sw_idx];
6603 }
6604
1da177e4
LT		 6605 sw_idx = NEXT_TX(sw_idx);
6606
6607 for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
f3f3f27e 6608 ri = &tnapi->tx_buffers[sw_idx];
df3e6548
MC		 6609 if (unlikely(ri->skb != NULL || sw_idx == hw_idx))
6610 tx_bug = 1;
f4188d8a 6611
df70303d 6612 dma_unmap_page(&tp->pdev->dev,
4e5e4f0d 6613 dma_unmap_addr(ri, mapping),
9e903e08 6614 skb_frag_size(&skb_shinfo(skb)->frags[i]),
df70303d 6615 DMA_TO_DEVICE);
e01ee14d
MC		 6616
6617 while (ri->fragmented) {
6618 ri->fragmented = false;
6619 sw_idx = NEXT_TX(sw_idx);
6620 ri = &tnapi->tx_buffers[sw_idx];
6621 }
6622
1da177e4
LT		 6623 sw_idx = NEXT_TX(sw_idx);
6624 }
6625
298376d3
TH		 6626 pkts_compl++;
6627 bytes_compl += skb->len;
6628
b22f21f7
PC		 6629 if (!complete_skb_later)
6630 dev_consume_skb_any(skb);
6631 else
6632 ptp_schedule_worker(tp->ptp_clock, 0);
df3e6548
MC		 6633
6634 if (unlikely(tx_bug)) {
6635 tg3_tx_recover(tp);
6636 return;
6637 }
1da177e4
LT		 6638 }
6639
5cb917bc 6640 netdev_tx_completed_queue(txq, pkts_compl, bytes_compl);
298376d3 6641
f3f3f27e 6642 tnapi->tx_cons = sw_idx;
1da177e4 6643
c542b39b 6644 /* Need to make the tx_cons update visible to __tg3_start_xmit()
1b2a7205 6645 * before checking for netif_queue_stopped(). Without the
c542b39b 6646 * memory barrier, there is a small possibility that __tg3_start_xmit()
1b2a7205
MC		 6647 * will miss it and cause the queue to be stopped forever.
6648 */
6649 smp_mb();
6650
fe5f5787 6651 if (unlikely(netif_tx_queue_stopped(txq) &&
f3f3f27e 6652 (tg3_tx_avail(tnapi) > TG3_TX_WAKEUP_THRESH(tnapi)))) {
fe5f5787
MC		 6653 __netif_tx_lock(txq, smp_processor_id());
6654 if (netif_tx_queue_stopped(txq) &&
f3f3f27e 6655 (tg3_tx_avail(tnapi) > TG3_TX_WAKEUP_THRESH(tnapi)))
fe5f5787
MC		 6656 netif_tx_wake_queue(txq);
6657 __netif_tx_unlock(txq);
51b91468 6658 }
1da177e4
LT		 6659}
6660
8d4057a9
ED		 6661static void tg3_frag_free(bool is_frag, void *data)
6662{
6663 if (is_frag)
e51423d9 6664 skb_free_frag(data);
8d4057a9
ED		 6665 else
6666 kfree(data);
6667}
6668
9205fd9c 6669static void tg3_rx_data_free(struct tg3 *tp, struct ring_info *ri, u32 map_sz)
2b2cdb65 6670{
8d4057a9
ED		 6671 unsigned int skb_size = SKB_DATA_ALIGN(map_sz + TG3_RX_OFFSET(tp)) +
6672 SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
6673
9205fd9c 6674 if (!ri->data)
2b2cdb65
MC		 6675 return;
6676
df70303d
CJ		 6677 dma_unmap_single(&tp->pdev->dev, dma_unmap_addr(ri, mapping), map_sz,
6678 DMA_FROM_DEVICE);
a1e8b307 6679 tg3_frag_free(skb_size <= PAGE_SIZE, ri->data);
9205fd9c 6680 ri->data = NULL;
2b2cdb65
MC		 6681}
6682
8d4057a9 6683
1da177e4
LT		 6684/* Returns size of skb allocated or < 0 on error.
6685 *
6686 * We only need to fill in the address because the other members
6687 * of the RX descriptor are invariant, see tg3_init_rings.
6688 *
6689 * Note the purposeful assymetry of cpu vs. chip accesses. For
6690 * posting buffers we only dirty the first cache line of the RX
6691 * descriptor (containing the address). Whereas for the RX status
6692 * buffers the cpu only reads the last cacheline of the RX descriptor
6693 * (to fetch the error flags, vlan tag, checksum, and opaque cookie).
6694 */
9205fd9c 6695static int tg3_alloc_rx_data(struct tg3 *tp, struct tg3_rx_prodring_set *tpr,
8d4057a9
ED		 6696 u32 opaque_key, u32 dest_idx_unmasked,
6697 unsigned int *frag_size)
1da177e4
LT		 6698{
6699 struct tg3_rx_buffer_desc *desc;
f94e290e 6700 struct ring_info *map;
9205fd9c 6701 u8 *data;
1da177e4 6702 dma_addr_t mapping;
9205fd9c 6703 int skb_size, data_size, dest_idx;
1da177e4 6704
1da177e4
LT		 6705 switch (opaque_key) {
6706 case RXD_OPAQUE_RING_STD:
2c49a44d 6707 dest_idx = dest_idx_unmasked & tp->rx_std_ring_mask;
21f581a5
MC		 6708 desc = &tpr->rx_std[dest_idx];
6709 map = &tpr->rx_std_buffers[dest_idx];
9205fd9c 6710 data_size = tp->rx_pkt_map_sz;
1da177e4
LT		 6711 break;
6712
6713 case RXD_OPAQUE_RING_JUMBO:
2c49a44d 6714 dest_idx = dest_idx_unmasked & tp->rx_jmb_ring_mask;
79ed5ac7 6715 desc = &tpr->rx_jmb[dest_idx].std;
21f581a5 6716 map = &tpr->rx_jmb_buffers[dest_idx];
9205fd9c 6717 data_size = TG3_RX_JMB_MAP_SZ;
1da177e4
LT		 6718 break;
6719
6720 default:
6721 return -EINVAL;
855e1111 6722 }
1da177e4
LT		 6723
6724 /* Do not overwrite any of the map or rp information
6725 * until we are sure we can commit to a new buffer.
6726 *
6727 * Callers depend upon this behavior and assume that
6728 * we leave everything unchanged if we fail.
6729 */
9205fd9c
ED		 6730 skb_size = SKB_DATA_ALIGN(data_size + TG3_RX_OFFSET(tp)) +
6731 SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
a1e8b307 6732 if (skb_size <= PAGE_SIZE) {
49eef82d 6733 data = napi_alloc_frag(skb_size);
a1e8b307 6734 *frag_size = skb_size;
8d4057a9
ED		 6735 } else {
6736 data = kmalloc(skb_size, GFP_ATOMIC);
6737 *frag_size = 0;
6738 }
9205fd9c 6739 if (!data)
1da177e4
LT		 6740 return -ENOMEM;
6741
df70303d
CJ		 6742 mapping = dma_map_single(&tp->pdev->dev, data + TG3_RX_OFFSET(tp),
6743 data_size, DMA_FROM_DEVICE);
6744 if (unlikely(dma_mapping_error(&tp->pdev->dev, mapping))) {
a1e8b307 6745 tg3_frag_free(skb_size <= PAGE_SIZE, data);
a21771dd
MC		 6746 return -EIO;
6747 }
1da177e4 6748
9205fd9c 6749 map->data = data;
4e5e4f0d 6750 dma_unmap_addr_set(map, mapping, mapping);
1da177e4 6751
1da177e4
LT		 6752 desc->addr_hi = ((u64)mapping >> 32);
6753 desc->addr_lo = ((u64)mapping & 0xffffffff);
6754
9205fd9c 6755 return data_size;
1da177e4
LT		 6756}
6757
6758/* We only need to move over in the address because the other
6759 * members of the RX descriptor are invariant. See notes above
9205fd9c 6760 * tg3_alloc_rx_data for full details.
1da177e4 6761 */
a3896167
MC		 6762static void tg3_recycle_rx(struct tg3_napi *tnapi,
6763 struct tg3_rx_prodring_set *dpr,
6764 u32 opaque_key, int src_idx,
6765 u32 dest_idx_unmasked)
1da177e4 6766{
17375d25 6767 struct tg3 *tp = tnapi->tp;
1da177e4
LT		 6768 struct tg3_rx_buffer_desc *src_desc, *dest_desc;
6769 struct ring_info *src_map, *dest_map;
8fea32b9 6770 struct tg3_rx_prodring_set *spr = &tp->napi[0].prodring;
c6cdf436 6771 int dest_idx;
1da177e4
LT		 6772
6773 switch (opaque_key) {
6774 case RXD_OPAQUE_RING_STD:
2c49a44d 6775 dest_idx = dest_idx_unmasked & tp->rx_std_ring_mask;
a3896167
MC		 6776 dest_desc = &dpr->rx_std[dest_idx];
6777 dest_map = &dpr->rx_std_buffers[dest_idx];
6778 src_desc = &spr->rx_std[src_idx];
6779 src_map = &spr->rx_std_buffers[src_idx];
1da177e4
LT		 6780 break;
6781
6782 case RXD_OPAQUE_RING_JUMBO:
2c49a44d 6783 dest_idx = dest_idx_unmasked & tp->rx_jmb_ring_mask;
a3896167
MC		 6784 dest_desc = &dpr->rx_jmb[dest_idx].std;
6785 dest_map = &dpr->rx_jmb_buffers[dest_idx];
6786 src_desc = &spr->rx_jmb[src_idx].std;
6787 src_map = &spr->rx_jmb_buffers[src_idx];
1da177e4
LT		 6788 break;
6789
6790 default:
6791 return;
855e1111 6792 }
1da177e4 6793
9205fd9c 6794 dest_map->data = src_map->data;
4e5e4f0d
FT		 6795 dma_unmap_addr_set(dest_map, mapping,
6796 dma_unmap_addr(src_map, mapping));
1da177e4
LT		 6797 dest_desc->addr_hi = src_desc->addr_hi;
6798 dest_desc->addr_lo = src_desc->addr_lo;
e92967bf
MC		 6799
6800 /* Ensure that the update to the skb happens after the physical
6801 * addresses have been transferred to the new BD location.
6802 */
6803 smp_wmb();
6804
9205fd9c 6805 src_map->data = NULL;
1da177e4
LT		 6806}
6807
1da177e4
LT		 6808/* The RX ring scheme is composed of multiple rings which post fresh
6809 * buffers to the chip, and one special ring the chip uses to report
6810 * status back to the host.
6811 *
6812 * The special ring reports the status of received packets to the
6813 * host. The chip does not write into the original descriptor the
6814 * RX buffer was obtained from. The chip simply takes the original
6815 * descriptor as provided by the host, updates the status and length
6816 * field, then writes this into the next status ring entry.
6817 *
6818 * Each ring the host uses to post buffers to the chip is described
6819 * by a TG3_BDINFO entry in the chips SRAM area. When a packet arrives,
6820 * it is first placed into the on-chip ram. When the packet's length
6821 * is known, it walks down the TG3_BDINFO entries to select the ring.
6822 * Each TG3_BDINFO specifies a MAXLEN field and the first TG3_BDINFO
6823 * which is within the range of the new packet's length is chosen.
6824 *
6825 * The "separate ring for rx status" scheme may sound queer, but it makes
6826 * sense from a cache coherency perspective. If only the host writes
6827 * to the buffer post rings, and only the chip writes to the rx status
6828 * rings, then cache lines never move beyond shared-modified state.
6829 * If both the host and chip were to write into the same ring, cache line
6830 * eviction could occur since both entities want it in an exclusive state.
6831 */
17375d25 6832static int tg3_rx(struct tg3_napi *tnapi, int budget)
1da177e4 6833{
17375d25 6834 struct tg3 *tp = tnapi->tp;
f92905de 6835 u32 work_mask, rx_std_posted = 0;
4361935a 6836 u32 std_prod_idx, jmb_prod_idx;
72334482 6837 u32 sw_idx = tnapi->rx_rcb_ptr;
483ba50b 6838 u16 hw_idx;
1da177e4 6839 int received;
8fea32b9 6840 struct tg3_rx_prodring_set *tpr = &tnapi->prodring;
1da177e4 6841
8d9d7cfc 6842 hw_idx = *(tnapi->rx_rcb_prod_idx);
1da177e4
LT		 6843 /*
6844 * We need to order the read of hw_idx and the read of
6845 * the opaque cookie.
6846 */
6847 rmb();
1da177e4
LT		 6848 work_mask = 0;
6849 received = 0;
4361935a
MC		 6850 std_prod_idx = tpr->rx_std_prod_idx;
6851 jmb_prod_idx = tpr->rx_jmb_prod_idx;
1da177e4 6852 while (sw_idx != hw_idx && budget > 0) {
afc081f8 6853 struct ring_info *ri;
72334482 6854 struct tg3_rx_buffer_desc *desc = &tnapi->rx_rcb[sw_idx];
1da177e4
LT		 6855 unsigned int len;
6856 struct sk_buff *skb;
6857 dma_addr_t dma_addr;
6858 u32 opaque_key, desc_idx, *post_ptr;
9205fd9c 6859 u8 *data;
fb4ce8ad 6860 u64 tstamp = 0;
1da177e4
LT		 6861
6862 desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
6863 opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
6864 if (opaque_key == RXD_OPAQUE_RING_STD) {
8fea32b9 6865 ri = &tp->napi[0].prodring.rx_std_buffers[desc_idx];
4e5e4f0d 6866 dma_addr = dma_unmap_addr(ri, mapping);
9205fd9c 6867 data = ri->data;
4361935a 6868 post_ptr = &std_prod_idx;
f92905de 6869 rx_std_posted++;
1da177e4 6870 } else if (opaque_key == RXD_OPAQUE_RING_JUMBO) {
8fea32b9 6871 ri = &tp->napi[0].prodring.rx_jmb_buffers[desc_idx];
4e5e4f0d 6872 dma_addr = dma_unmap_addr(ri, mapping);
9205fd9c 6873 data = ri->data;
4361935a 6874 post_ptr = &jmb_prod_idx;
21f581a5 6875 } else
1da177e4 6876 goto next_pkt_nopost;
1da177e4
LT		 6877
6878 work_mask |= opaque_key;
6879
d7b95315 6880 if (desc->err_vlan & RXD_ERR_MASK) {
1da177e4 6881 drop_it:
a3896167 6882 tg3_recycle_rx(tnapi, tpr, opaque_key,
1da177e4
LT		 6883 desc_idx, *post_ptr);
6884 drop_it_no_recycle:
6885 /* Other statistics kept track of by card. */
907d1bdb 6886 tnapi->rx_dropped++;
1da177e4
LT		 6887 goto next_pkt;
6888 }
6889
9205fd9c 6890 prefetch(data + TG3_RX_OFFSET(tp));
ad829268
MC		 6891 len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) -
6892 ETH_FCS_LEN;
1da177e4 6893
fb4ce8ad
MC		 6894 if ((desc->type_flags & RXD_FLAG_PTPSTAT_MASK) ==
6895 RXD_FLAG_PTPSTAT_PTPV1 ||
6896 (desc->type_flags & RXD_FLAG_PTPSTAT_MASK) ==
6897 RXD_FLAG_PTPSTAT_PTPV2) {
6898 tstamp = tr32(TG3_RX_TSTAMP_LSB);
6899 tstamp |= (u64)tr32(TG3_RX_TSTAMP_MSB) << 32;
6900 }
6901
d2757fc4 6902 if (len > TG3_RX_COPY_THRESH(tp)) {
1da177e4 6903 int skb_size;
8d4057a9 6904 unsigned int frag_size;
1da177e4 6905
9205fd9c 6906 skb_size = tg3_alloc_rx_data(tp, tpr, opaque_key,
8d4057a9 6907 *post_ptr, &frag_size);
1da177e4
LT		 6908 if (skb_size < 0)
6909 goto drop_it;
6910
df70303d
CJ		 6911 dma_unmap_single(&tp->pdev->dev, dma_addr, skb_size,
6912 DMA_FROM_DEVICE);
1da177e4 6913
9205fd9c 6914 /* Ensure that the update to the data happens
61e800cf
MC		 6915 * after the usage of the old DMA mapping.
6916 */
6917 smp_wmb();
6918
9205fd9c 6919 ri->data = NULL;
61e800cf 6920
99b415fe
KC		 6921 if (frag_size)
6922 skb = build_skb(data, frag_size);
6923 else
6924 skb = slab_build_skb(data);
85aec73d
IV		 6925 if (!skb) {
6926 tg3_frag_free(frag_size != 0, data);
6927 goto drop_it_no_recycle;
6928 }
6929 skb_reserve(skb, TG3_RX_OFFSET(tp));
1da177e4 6930 } else {
a3896167 6931 tg3_recycle_rx(tnapi, tpr, opaque_key,
1da177e4
LT		 6932 desc_idx, *post_ptr);
6933
9205fd9c
ED		 6934 skb = netdev_alloc_skb(tp->dev,
6935 len + TG3_RAW_IP_ALIGN);
6936 if (skb == NULL)
1da177e4
LT		 6937 goto drop_it_no_recycle;
6938
9205fd9c 6939 skb_reserve(skb, TG3_RAW_IP_ALIGN);
df70303d
CJ		 6940 dma_sync_single_for_cpu(&tp->pdev->dev, dma_addr, len,
6941 DMA_FROM_DEVICE);
9205fd9c
ED		 6942 memcpy(skb->data,
6943 data + TG3_RX_OFFSET(tp),
6944 len);
df70303d
CJ		 6945 dma_sync_single_for_device(&tp->pdev->dev, dma_addr,
6946 len, DMA_FROM_DEVICE);
1da177e4
LT		 6947 }
6948
9205fd9c 6949 skb_put(skb, len);
fb4ce8ad
MC		 6950 if (tstamp)
6951 tg3_hwclock_to_timestamp(tp, tstamp,
6952 skb_hwtstamps(skb));
6953
dc668910 6954 if ((tp->dev->features & NETIF_F_RXCSUM) &&
1da177e4
LT		 6955 (desc->type_flags & RXD_FLAG_TCPUDP_CSUM) &&
6956 (((desc->ip_tcp_csum & RXD_TCPCSUM_MASK)
6957 >> RXD_TCPCSUM_SHIFT) == 0xffff))
6958 skb->ip_summed = CHECKSUM_UNNECESSARY;
6959 else
bc8acf2c 6960 skb_checksum_none_assert(skb);
1da177e4
LT		 6961
6962 skb->protocol = eth_type_trans(skb, tp->dev);
f7b493e0
MC		 6963
6964 if (len > (tp->dev->mtu + ETH_HLEN) &&
7d3083ee
VY		 6965 skb->protocol != htons(ETH_P_8021Q) &&
6966 skb->protocol != htons(ETH_P_8021AD)) {
497a27b9 6967 dev_kfree_skb_any(skb);
b0057c51 6968 goto drop_it_no_recycle;
f7b493e0
MC		 6969 }
6970
9dc7a113 6971 if (desc->type_flags & RXD_FLAG_VLAN &&
bf933c80 6972 !(tp->rx_mode & RX_MODE_KEEP_VLAN_TAG))
86a9bad3 6973 __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q),
bf933c80 6974 desc->err_vlan & RXD_VLAN_MASK);
9dc7a113 6975
bf933c80 6976 napi_gro_receive(&tnapi->napi, skb);
1da177e4 6977
1da177e4
LT		 6978 received++;
6979 budget--;
6980
6981next_pkt:
6982 (*post_ptr)++;
f92905de
MC		 6983
6984 if (unlikely(rx_std_posted >= tp->rx_std_max_post)) {
2c49a44d
MC		 6985 tpr->rx_std_prod_idx = std_prod_idx &
6986 tp->rx_std_ring_mask;
86cfe4ff
MC		 6987 tw32_rx_mbox(TG3_RX_STD_PROD_IDX_REG,
6988 tpr->rx_std_prod_idx);
f92905de
MC		 6989 work_mask &= ~RXD_OPAQUE_RING_STD;
6990 rx_std_posted = 0;
6991 }
1da177e4 6992next_pkt_nopost:
483ba50b 6993 sw_idx++;
7cb32cf2 6994 sw_idx &= tp->rx_ret_ring_mask;
52f6d697
MC		 6995
6996 /* Refresh hw_idx to see if there is new work */
6997 if (sw_idx == hw_idx) {
8d9d7cfc 6998 hw_idx = *(tnapi->rx_rcb_prod_idx);
52f6d697
MC		 6999 rmb();
7000 }
1da177e4
LT		 7001 }
7002
7003 /* ACK the status ring. */
72334482
MC		 7004 tnapi->rx_rcb_ptr = sw_idx;
7005 tw32_rx_mbox(tnapi->consmbox, sw_idx);
1da177e4
LT		 7006
7007 /* Refill RX ring(s). */
63c3a66f 7008 if (!tg3_flag(tp, ENABLE_RSS)) {
6541b806
MC		 7009 /* Sync BD data before updating mailbox */
7010 wmb();
7011
b196c7e4 7012 if (work_mask & RXD_OPAQUE_RING_STD) {
2c49a44d
MC		 7013 tpr->rx_std_prod_idx = std_prod_idx &
7014 tp->rx_std_ring_mask;
b196c7e4
MC		 7015 tw32_rx_mbox(TG3_RX_STD_PROD_IDX_REG,
7016 tpr->rx_std_prod_idx);
7017 }
7018 if (work_mask & RXD_OPAQUE_RING_JUMBO) {
2c49a44d
MC		 7019 tpr->rx_jmb_prod_idx = jmb_prod_idx &
7020 tp->rx_jmb_ring_mask;
b196c7e4
MC		 7021 tw32_rx_mbox(TG3_RX_JMB_PROD_IDX_REG,
7022 tpr->rx_jmb_prod_idx);
7023 }
b196c7e4
MC		 7024 } else if (work_mask) {
7025 /* rx_std_buffers[] and rx_jmb_buffers[] entries must be
7026 * updated before the producer indices can be updated.
7027 */
7028 smp_wmb();
7029
2c49a44d
MC		 7030 tpr->rx_std_prod_idx = std_prod_idx & tp->rx_std_ring_mask;
7031 tpr->rx_jmb_prod_idx = jmb_prod_idx & tp->rx_jmb_ring_mask;
b196c7e4 7032
7ae52890
MC		 7033 if (tnapi != &tp->napi[1]) {
7034 tp->rx_refill = true;
e4af1af9 7035 napi_schedule(&tp->napi[1].napi);
7ae52890 7036 }
1da177e4 7037 }
1da177e4
LT		 7038
7039 return received;
7040}
7041
35f2d7d0 7042static void tg3_poll_link(struct tg3 *tp)
1da177e4 7043{
1da177e4 7044 /* handle link change and other phy events */
63c3a66f 7045 if (!(tg3_flag(tp, USE_LINKCHG_REG) || tg3_flag(tp, POLL_SERDES))) {
35f2d7d0
MC		 7046 struct tg3_hw_status *sblk = tp->napi[0].hw_status;
7047
1da177e4
LT		 7048 if (sblk->status & SD_STATUS_LINK_CHG) {
7049 sblk->status = SD_STATUS_UPDATED |
35f2d7d0 7050 (sblk->status & ~SD_STATUS_LINK_CHG);
f47c11ee 7051 spin_lock(&tp->lock);
63c3a66f 7052 if (tg3_flag(tp, USE_PHYLIB)) {
dd477003
MC		 7053 tw32_f(MAC_STATUS,
7054 (MAC_STATUS_SYNC_CHANGED |
7055 MAC_STATUS_CFG_CHANGED |
7056 MAC_STATUS_MI_COMPLETION |
7057 MAC_STATUS_LNKSTATE_CHANGED));
7058 udelay(40);
7059 } else
953c96e0 7060 tg3_setup_phy(tp, false);
f47c11ee 7061 spin_unlock(&tp->lock);
1da177e4
LT		 7062 }
7063 }
35f2d7d0
MC		 7064}
7065
f89f38b8
MC		 7066static int tg3_rx_prodring_xfer(struct tg3 *tp,
7067 struct tg3_rx_prodring_set *dpr,
7068 struct tg3_rx_prodring_set *spr)
b196c7e4
MC		 7069{
7070 u32 si, di, cpycnt, src_prod_idx;
f89f38b8 7071 int i, err = 0;
b196c7e4
MC		 7072
7073 while (1) {
7074 src_prod_idx = spr->rx_std_prod_idx;
7075
7076 /* Make sure updates to the rx_std_buffers[] entries and the
7077 * standard producer index are seen in the correct order.
7078 */
7079 smp_rmb();
7080
7081 if (spr->rx_std_cons_idx == src_prod_idx)
7082 break;
7083
7084 if (spr->rx_std_cons_idx < src_prod_idx)
7085 cpycnt = src_prod_idx - spr->rx_std_cons_idx;
7086 else
2c49a44d
MC		 7087 cpycnt = tp->rx_std_ring_mask + 1 -
7088 spr->rx_std_cons_idx;
b196c7e4 7089
2c49a44d
MC		 7090 cpycnt = min(cpycnt,
7091 tp->rx_std_ring_mask + 1 - dpr->rx_std_prod_idx);
b196c7e4
MC		 7092
7093 si = spr->rx_std_cons_idx;
7094 di = dpr->rx_std_prod_idx;
7095
e92967bf 7096 for (i = di; i < di + cpycnt; i++) {
9205fd9c 7097 if (dpr->rx_std_buffers[i].data) {
e92967bf 7098 cpycnt = i - di;
f89f38b8 7099 err = -ENOSPC;
e92967bf
MC		 7100 break;
7101 }
7102 }
7103
7104 if (!cpycnt)
7105 break;
7106
7107 /* Ensure that updates to the rx_std_buffers ring and the
7108 * shadowed hardware producer ring from tg3_recycle_skb() are
7109 * ordered correctly WRT the skb check above.
7110 */
7111 smp_rmb();
7112
b196c7e4
MC		 7113 memcpy(&dpr->rx_std_buffers[di],
7114 &spr->rx_std_buffers[si],
7115 cpycnt * sizeof(struct ring_info));
7116
7117 for (i = 0; i < cpycnt; i++, di++, si++) {
7118 struct tg3_rx_buffer_desc *sbd, *dbd;
7119 sbd = &spr->rx_std[si];
7120 dbd = &dpr->rx_std[di];
7121 dbd->addr_hi = sbd->addr_hi;
7122 dbd->addr_lo = sbd->addr_lo;
7123 }
7124
2c49a44d
MC		 7125 spr->rx_std_cons_idx = (spr->rx_std_cons_idx + cpycnt) &
7126 tp->rx_std_ring_mask;
7127 dpr->rx_std_prod_idx = (dpr->rx_std_prod_idx + cpycnt) &
7128 tp->rx_std_ring_mask;
b196c7e4
MC		 7129 }
7130
7131 while (1) {
7132 src_prod_idx = spr->rx_jmb_prod_idx;
7133
7134 /* Make sure updates to the rx_jmb_buffers[] entries and
7135 * the jumbo producer index are seen in the correct order.
7136 */
7137 smp_rmb();
7138
7139 if (spr->rx_jmb_cons_idx == src_prod_idx)
7140 break;
7141
7142 if (spr->rx_jmb_cons_idx < src_prod_idx)
7143 cpycnt = src_prod_idx - spr->rx_jmb_cons_idx;
7144 else
2c49a44d
MC		 7145 cpycnt = tp->rx_jmb_ring_mask + 1 -
7146 spr->rx_jmb_cons_idx;
b196c7e4
MC		 7147
7148 cpycnt = min(cpycnt,
2c49a44d 7149 tp->rx_jmb_ring_mask + 1 - dpr->rx_jmb_prod_idx);
b196c7e4
MC		 7150
7151 si = spr->rx_jmb_cons_idx;
7152 di = dpr->rx_jmb_prod_idx;
7153
e92967bf 7154 for (i = di; i < di + cpycnt; i++) {
9205fd9c 7155 if (dpr->rx_jmb_buffers[i].data) {
e92967bf 7156 cpycnt = i - di;
f89f38b8 7157 err = -ENOSPC;
e92967bf
MC		 7158 break;
7159 }
7160 }
7161
7162 if (!cpycnt)
7163 break;
7164
7165 /* Ensure that updates to the rx_jmb_buffers ring and the
7166 * shadowed hardware producer ring from tg3_recycle_skb() are
7167 * ordered correctly WRT the skb check above.
7168 */
7169 smp_rmb();
7170
b196c7e4
MC		 7171 memcpy(&dpr->rx_jmb_buffers[di],
7172 &spr->rx_jmb_buffers[si],
7173 cpycnt * sizeof(struct ring_info));
7174
7175 for (i = 0; i < cpycnt; i++, di++, si++) {
7176 struct tg3_rx_buffer_desc *sbd, *dbd;
7177 sbd = &spr->rx_jmb[si].std;
7178 dbd = &dpr->rx_jmb[di].std;
7179 dbd->addr_hi = sbd->addr_hi;
7180 dbd->addr_lo = sbd->addr_lo;
7181 }
7182
2c49a44d
MC		 7183 spr->rx_jmb_cons_idx = (spr->rx_jmb_cons_idx + cpycnt) &
7184 tp->rx_jmb_ring_mask;
7185 dpr->rx_jmb_prod_idx = (dpr->rx_jmb_prod_idx + cpycnt) &
7186 tp->rx_jmb_ring_mask;
b196c7e4 7187 }
f89f38b8
MC		 7188
7189 return err;
b196c7e4
MC		 7190}
7191
35f2d7d0
MC		 7192static int tg3_poll_work(struct tg3_napi *tnapi, int work_done, int budget)
7193{
7194 struct tg3 *tp = tnapi->tp;
1da177e4
LT		 7195
7196 /* run TX completion thread */
f3f3f27e 7197 if (tnapi->hw_status->idx[0].tx_consumer != tnapi->tx_cons) {
17375d25 7198 tg3_tx(tnapi);
63c3a66f 7199 if (unlikely(tg3_flag(tp, TX_RECOVERY_PENDING)))
4fd7ab59 7200 return work_done;
1da177e4
LT		 7201 }
7202
f891ea16
MC		 7203 if (!tnapi->rx_rcb_prod_idx)
7204 return work_done;
7205
1da177e4
LT		 7206 /* run RX thread, within the bounds set by NAPI.
7207 * All RX "locking" is done by ensuring outside
bea3348e 7208 * code synchronizes with tg3->napi.poll()
1da177e4 7209 */
8d9d7cfc 7210 if (*(tnapi->rx_rcb_prod_idx) != tnapi->rx_rcb_ptr)
17375d25 7211 work_done += tg3_rx(tnapi, budget - work_done);
1da177e4 7212
63c3a66f 7213 if (tg3_flag(tp, ENABLE_RSS) && tnapi == &tp->napi[1]) {
8fea32b9 7214 struct tg3_rx_prodring_set *dpr = &tp->napi[0].prodring;
f89f38b8 7215 int i, err = 0;
e4af1af9
MC		 7216 u32 std_prod_idx = dpr->rx_std_prod_idx;
7217 u32 jmb_prod_idx = dpr->rx_jmb_prod_idx;
b196c7e4 7218
7ae52890 7219 tp->rx_refill = false;
9102426a 7220 for (i = 1; i <= tp->rxq_cnt; i++)
f89f38b8 7221 err |= tg3_rx_prodring_xfer(tp, dpr,
8fea32b9 7222 &tp->napi[i].prodring);
b196c7e4
MC		 7223
7224 wmb();
7225
e4af1af9
MC		 7226 if (std_prod_idx != dpr->rx_std_prod_idx)
7227 tw32_rx_mbox(TG3_RX_STD_PROD_IDX_REG,
7228 dpr->rx_std_prod_idx);
b196c7e4 7229
e4af1af9
MC		 7230 if (jmb_prod_idx != dpr->rx_jmb_prod_idx)
7231 tw32_rx_mbox(TG3_RX_JMB_PROD_IDX_REG,
7232 dpr->rx_jmb_prod_idx);
b196c7e4 7233
f89f38b8
MC		 7234 if (err)
7235 tw32_f(HOSTCC_MODE, tp->coal_now);
b196c7e4
MC		 7236 }
7237
6f535763
DM		 7238 return work_done;
7239}
7240
db219973
MC		 7241static inline void tg3_reset_task_schedule(struct tg3 *tp)
7242{
7243 if (!test_and_set_bit(TG3_FLAG_RESET_TASK_PENDING, tp->tg3_flags))
7244 schedule_work(&tp->reset_task);
7245}
7246
7247static inline void tg3_reset_task_cancel(struct tg3 *tp)
7248{
55669934
MC		 7249 if (test_and_clear_bit(TG3_FLAG_RESET_TASK_PENDING, tp->tg3_flags))
7250 cancel_work_sync(&tp->reset_task);
c7101359 7251 tg3_flag_clear(tp, TX_RECOVERY_PENDING);
db219973
MC		 7252}
7253
35f2d7d0
MC		 7254static int tg3_poll_msix(struct napi_struct *napi, int budget)
7255{
7256 struct tg3_napi *tnapi = container_of(napi, struct tg3_napi, napi);
7257 struct tg3 *tp = tnapi->tp;
7258 int work_done = 0;
7259 struct tg3_hw_status *sblk = tnapi->hw_status;
7260
7261 while (1) {
7262 work_done = tg3_poll_work(tnapi, work_done, budget);
7263
63c3a66f 7264 if (unlikely(tg3_flag(tp, TX_RECOVERY_PENDING)))
35f2d7d0
MC		 7265 goto tx_recovery;
7266
7267 if (unlikely(work_done >= budget))
7268 break;
7269
c6cdf436 7270 /* tp->last_tag is used in tg3_int_reenable() below
35f2d7d0
MC		 7271 * to tell the hw how much work has been processed,
7272 * so we must read it before checking for more work.
7273 */
7274 tnapi->last_tag = sblk->status_tag;
7275 tnapi->last_irq_tag = tnapi->last_tag;
7276 rmb();
7277
7278 /* check for RX/TX work to do */
6d40db7b
MC		 7279 if (likely(sblk->idx[0].tx_consumer == tnapi->tx_cons &&
7280 *(tnapi->rx_rcb_prod_idx) == tnapi->rx_rcb_ptr)) {
7ae52890
MC		 7281
7282 /* This test here is not race free, but will reduce
7283 * the number of interrupts by looping again.
7284 */
7285 if (tnapi == &tp->napi[1] && tp->rx_refill)
7286 continue;
7287
24d2e4a5 7288 napi_complete_done(napi, work_done);
35f2d7d0
MC		 7289 /* Reenable interrupts. */
7290 tw32_mailbox(tnapi->int_mbox, tnapi->last_tag << 24);
7ae52890
MC		 7291
7292 /* This test here is synchronized by napi_schedule()
7293 * and napi_complete() to close the race condition.
7294 */
7295 if (unlikely(tnapi == &tp->napi[1] && tp->rx_refill)) {
7296 tw32(HOSTCC_MODE, tp->coalesce_mode |
7297 HOSTCC_MODE_ENABLE |
7298 tnapi->coal_now);
7299 }
35f2d7d0
MC		 7300 break;
7301 }
7302 }
7303
506b0a39 7304 tg3_send_ape_heartbeat(tp, TG3_APE_HB_INTERVAL << 1);
35f2d7d0
MC		 7305 return work_done;
7306
7307tx_recovery:
7308 /* work_done is guaranteed to be less than budget. */
7309 napi_complete(napi);
db219973 7310 tg3_reset_task_schedule(tp);
35f2d7d0
MC		 7311 return work_done;
7312}
7313
e64de4e6
MC		 7314static void tg3_process_error(struct tg3 *tp)
7315{
7316 u32 val;
7317 bool real_error = false;
7318
63c3a66f 7319 if (tg3_flag(tp, ERROR_PROCESSED))
e64de4e6
MC		 7320 return;
7321
7322 /* Check Flow Attention register */
7323 val = tr32(HOSTCC_FLOW_ATTN);
7324 if (val & ~HOSTCC_FLOW_ATTN_MBUF_LWM) {
7325 netdev_err(tp->dev, "FLOW Attention error. Resetting chip.\n");
7326 real_error = true;
7327 }
7328
7329 if (tr32(MSGINT_STATUS) & ~MSGINT_STATUS_MSI_REQ) {
7330 netdev_err(tp->dev, "MSI Status error. Resetting chip.\n");
7331 real_error = true;
7332 }
7333
7334 if (tr32(RDMAC_STATUS) || tr32(WDMAC_STATUS)) {
7335 netdev_err(tp->dev, "DMA Status error. Resetting chip.\n");
7336 real_error = true;
7337 }
7338
7339 if (!real_error)
7340 return;
7341
7342 tg3_dump_state(tp);
7343
63c3a66f 7344 tg3_flag_set(tp, ERROR_PROCESSED);
db219973 7345 tg3_reset_task_schedule(tp);
e64de4e6
MC		 7346}
7347
6f535763
DM		 7348static int tg3_poll(struct napi_struct *napi, int budget)
7349{
8ef0442f
MC		 7350 struct tg3_napi *tnapi = container_of(napi, struct tg3_napi, napi);
7351 struct tg3 *tp = tnapi->tp;
6f535763 7352 int work_done = 0;
898a56f8 7353 struct tg3_hw_status *sblk = tnapi->hw_status;
6f535763
DM		 7354
7355 while (1) {
e64de4e6
MC		 7356 if (sblk->status & SD_STATUS_ERROR)
7357 tg3_process_error(tp);
7358
35f2d7d0
MC		 7359 tg3_poll_link(tp);
7360
17375d25 7361 work_done = tg3_poll_work(tnapi, work_done, budget);
6f535763 7362
63c3a66f 7363 if (unlikely(tg3_flag(tp, TX_RECOVERY_PENDING)))
6f535763
DM		 7364 goto tx_recovery;
7365
7366 if (unlikely(work_done >= budget))
7367 break;
7368
63c3a66f 7369 if (tg3_flag(tp, TAGGED_STATUS)) {
17375d25 7370 /* tp->last_tag is used in tg3_int_reenable() below
4fd7ab59
MC		 7371 * to tell the hw how much work has been processed,
7372 * so we must read it before checking for more work.
7373 */
898a56f8
MC		 7374 tnapi->last_tag = sblk->status_tag;
7375 tnapi->last_irq_tag = tnapi->last_tag;
4fd7ab59
MC		 7376 rmb();
7377 } else
7378 sblk->status &= ~SD_STATUS_UPDATED;
6f535763 7379
17375d25 7380 if (likely(!tg3_has_work(tnapi))) {
24d2e4a5 7381 napi_complete_done(napi, work_done);
17375d25 7382 tg3_int_reenable(tnapi);
6f535763
DM		 7383 break;
7384 }
1da177e4
LT		 7385 }
7386
506b0a39 7387 tg3_send_ape_heartbeat(tp, TG3_APE_HB_INTERVAL << 1);
bea3348e 7388 return work_done;
6f535763
DM		 7389
7390tx_recovery:
4fd7ab59 7391 /* work_done is guaranteed to be less than budget. */
288379f0 7392 napi_complete(napi);
db219973 7393 tg3_reset_task_schedule(tp);
4fd7ab59 7394 return work_done;
1da177e4
LT		 7395}
7396
66cfd1bd
MC		 7397static void tg3_napi_disable(struct tg3 *tp)
7398{
aec5514d
JD		 7399 int txq_idx = tp->txq_cnt - 1;
7400 int rxq_idx = tp->rxq_cnt - 1;
7401 struct tg3_napi *tnapi;
66cfd1bd
MC		 7402 int i;
7403
aec5514d
JD		 7404 for (i = tp->irq_cnt - 1; i >= 0; i--) {
7405 tnapi = &tp->napi[i];
7406 if (tnapi->tx_buffers) {
7407 netif_queue_set_napi(tp->dev, txq_idx,
7408 NETDEV_QUEUE_TYPE_TX, NULL);
7409 txq_idx--;
7410 }
7411 if (tnapi->rx_rcb) {
7412 netif_queue_set_napi(tp->dev, rxq_idx,
7413 NETDEV_QUEUE_TYPE_RX, NULL);
7414 rxq_idx--;
7415 }
7416 napi_disable(&tnapi->napi);
7417 }
66cfd1bd
MC		 7418}
7419
7420static void tg3_napi_enable(struct tg3 *tp)
7421{
aec5514d
JD		 7422 int txq_idx = 0, rxq_idx = 0;
7423 struct tg3_napi *tnapi;
66cfd1bd
MC		 7424 int i;
7425
aec5514d
JD		 7426 for (i = 0; i < tp->irq_cnt; i++) {
7427 tnapi = &tp->napi[i];
8ed47e4e 7428 napi_enable_locked(&tnapi->napi);
aec5514d
JD		 7429 if (tnapi->tx_buffers) {
7430 netif_queue_set_napi(tp->dev, txq_idx,
7431 NETDEV_QUEUE_TYPE_TX,
7432 &tnapi->napi);
7433 txq_idx++;
7434 }
7435 if (tnapi->rx_rcb) {
7436 netif_queue_set_napi(tp->dev, rxq_idx,
7437 NETDEV_QUEUE_TYPE_RX,
7438 &tnapi->napi);
7439 rxq_idx++;
7440 }
7441 }
66cfd1bd
MC		 7442}
7443
7444static void tg3_napi_init(struct tg3 *tp)
7445{
7446 int i;
7447
25118cce 7448 for (i = 0; i < tp->irq_cnt; i++) {
8ed47e4e
JK		 7449 netif_napi_add_locked(tp->dev, &tp->napi[i].napi,
7450 i ? tg3_poll_msix : tg3_poll);
7451 netif_napi_set_irq_locked(&tp->napi[i].napi,
7452 tp->napi[i].irq_vec);
25118cce 7453 }
66cfd1bd
MC		 7454}
7455
7456static void tg3_napi_fini(struct tg3 *tp)
7457{
7458 int i;
7459
7460 for (i = 0; i < tp->irq_cnt; i++)
7461 netif_napi_del(&tp->napi[i].napi);
7462}
7463
7464static inline void tg3_netif_stop(struct tg3 *tp)
7465{
860e9538 7466 netif_trans_update(tp->dev); /* prevent tx timeout */
66cfd1bd 7467 tg3_napi_disable(tp);
f4a46d1f 7468 netif_carrier_off(tp->dev);
66cfd1bd
MC		 7469 netif_tx_disable(tp->dev);
7470}
7471
35763066 7472/* tp->lock must be held */
66cfd1bd
MC		 7473static inline void tg3_netif_start(struct tg3 *tp)
7474{
be947307
MC		 7475 tg3_ptp_resume(tp);
7476
66cfd1bd
MC		 7477 /* NOTE: unconditional netif_tx_wake_all_queues is only
7478 * appropriate so long as all callers are assured to
7479 * have free tx slots (such as after tg3_init_hw)
7480 */
7481 netif_tx_wake_all_queues(tp->dev);
7482
f4a46d1f
NNS		 7483 if (tp->link_up)
7484 netif_carrier_on(tp->dev);
7485
66cfd1bd
MC		 7486 tg3_napi_enable(tp);
7487 tp->napi[0].hw_status->status |= SD_STATUS_UPDATED;
7488 tg3_enable_ints(tp);
7489}
7490
f47c11ee 7491static void tg3_irq_quiesce(struct tg3 *tp)
932f19de
PS		 7492 __releases(tp->lock)
7493 __acquires(tp->lock)
f47c11ee 7494{
4f125f42
MC		 7495 int i;
7496
f47c11ee
DM		 7497 BUG_ON(tp->irq_sync);
7498
7499 tp->irq_sync = 1;
7500 smp_mb();
7501
932f19de
PS		 7502 spin_unlock_bh(&tp->lock);
7503
4f125f42
MC		 7504 for (i = 0; i < tp->irq_cnt; i++)
7505 synchronize_irq(tp->napi[i].irq_vec);
932f19de
PS		 7506
7507 spin_lock_bh(&tp->lock);
f47c11ee
DM		 7508}
7509
f47c11ee
DM		 7510/* Fully shutdown all tg3 driver activity elsewhere in the system.
7511 * If irq_sync is non-zero, then the IRQ handler must be synchronized
7512 * with as well. Most of the time, this is not necessary except when
7513 * shutting down the device.
7514 */
7515static inline void tg3_full_lock(struct tg3 *tp, int irq_sync)
7516{
46966545 7517 spin_lock_bh(&tp->lock);
f47c11ee
DM		 7518 if (irq_sync)
7519 tg3_irq_quiesce(tp);
f47c11ee
DM		 7520}
7521
7522static inline void tg3_full_unlock(struct tg3 *tp)
7523{
f47c11ee
DM		 7524 spin_unlock_bh(&tp->lock);
7525}
7526
fcfa0a32
MC		 7527/* One-shot MSI handler - Chip automatically disables interrupt
7528 * after sending MSI so driver doesn't have to do it.
7529 */
7d12e780 7530static irqreturn_t tg3_msi_1shot(int irq, void *dev_id)
fcfa0a32 7531{
09943a18
MC		 7532 struct tg3_napi *tnapi = dev_id;
7533 struct tg3 *tp = tnapi->tp;
fcfa0a32 7534
898a56f8 7535 prefetch(tnapi->hw_status);
0c1d0e2b
MC		 7536 if (tnapi->rx_rcb)
7537 prefetch(&tnapi->rx_rcb[tnapi->rx_rcb_ptr]);
fcfa0a32
MC		 7538
7539 if (likely(!tg3_irq_sync(tp)))
09943a18 7540 napi_schedule(&tnapi->napi);
fcfa0a32
MC		 7541
7542 return IRQ_HANDLED;
7543}
7544
88b06bc2
MC		 7545/* MSI ISR - No need to check for interrupt sharing and no need to
7546 * flush status block and interrupt mailbox. PCI ordering rules
7547 * guarantee that MSI will arrive after the status block.
7548 */
7d12e780 7549static irqreturn_t tg3_msi(int irq, void *dev_id)
88b06bc2 7550{
09943a18
MC		 7551 struct tg3_napi *tnapi = dev_id;
7552 struct tg3 *tp = tnapi->tp;
88b06bc2 7553
898a56f8 7554 prefetch(tnapi->hw_status);
0c1d0e2b
MC		 7555 if (tnapi->rx_rcb)
7556 prefetch(&tnapi->rx_rcb[tnapi->rx_rcb_ptr]);
88b06bc2 7557 /*
fac9b83e 7558 * Writing any value to intr-mbox-0 clears PCI INTA# and
88b06bc2 7559 * chip-internal interrupt pending events.
fac9b83e 7560 * Writing non-zero to intr-mbox-0 additional tells the
88b06bc2
MC		 7561 * NIC to stop sending us irqs, engaging "in-intr-handler"
7562 * event coalescing.
7563 */
5b39de91 7564 tw32_mailbox(tnapi->int_mbox, 0x00000001);
61487480 7565 if (likely(!tg3_irq_sync(tp)))
09943a18 7566 napi_schedule(&tnapi->napi);
61487480 7567
88b06bc2
MC		 7568 return IRQ_RETVAL(1);
7569}
7570
7d12e780 7571static irqreturn_t tg3_interrupt(int irq, void *dev_id)
1da177e4 7572{
09943a18
MC		 7573 struct tg3_napi *tnapi = dev_id;
7574 struct tg3 *tp = tnapi->tp;
898a56f8 7575 struct tg3_hw_status *sblk = tnapi->hw_status;
1da177e4
LT		 7576 unsigned int handled = 1;
7577
1da177e4
LT		 7578 /* In INTx mode, it is possible for the interrupt to arrive at
7579 * the CPU before the status block posted prior to the interrupt.
7580 * Reading the PCI State register will confirm whether the
7581 * interrupt is ours and will flush the status block.
7582 */
d18edcb2 7583 if (unlikely(!(sblk->status & SD_STATUS_UPDATED))) {
63c3a66f 7584 if (tg3_flag(tp, CHIP_RESETTING) ||
d18edcb2
MC		 7585 (tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
7586 handled = 0;
f47c11ee 7587 goto out;
fac9b83e 7588 }
d18edcb2
MC		 7589 }
7590
7591 /*
7592 * Writing any value to intr-mbox-0 clears PCI INTA# and
7593 * chip-internal interrupt pending events.
7594 * Writing non-zero to intr-mbox-0 additional tells the
7595 * NIC to stop sending us irqs, engaging "in-intr-handler"
7596 * event coalescing.
c04cb347
MC		 7597 *
7598 * Flush the mailbox to de-assert the IRQ immediately to prevent
7599 * spurious interrupts. The flush impacts performance but
7600 * excessive spurious interrupts can be worse in some cases.
d18edcb2 7601 */
c04cb347 7602 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
d18edcb2
MC		 7603 if (tg3_irq_sync(tp))
7604 goto out;
7605 sblk->status &= ~SD_STATUS_UPDATED;
17375d25 7606 if (likely(tg3_has_work(tnapi))) {
72334482 7607 prefetch(&tnapi->rx_rcb[tnapi->rx_rcb_ptr]);
09943a18 7608 napi_schedule(&tnapi->napi);
d18edcb2
MC		 7609 } else {
7610 /* No work, shared interrupt perhaps? re-enable
7611 * interrupts, and flush that PCI write
7612 */
7613 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
7614 0x00000000);
fac9b83e 7615 }
f47c11ee 7616out:
fac9b83e
DM		 7617 return IRQ_RETVAL(handled);
7618}
7619
7d12e780 7620static irqreturn_t tg3_interrupt_tagged(int irq, void *dev_id)
fac9b83e 7621{
09943a18
MC		 7622 struct tg3_napi *tnapi = dev_id;
7623 struct tg3 *tp = tnapi->tp;
898a56f8 7624 struct tg3_hw_status *sblk = tnapi->hw_status;
fac9b83e
DM		 7625 unsigned int handled = 1;
7626
fac9b83e
DM		 7627 /* In INTx mode, it is possible for the interrupt to arrive at
7628 * the CPU before the status block posted prior to the interrupt.
7629 * Reading the PCI State register will confirm whether the
7630 * interrupt is ours and will flush the status block.
7631 */
898a56f8 7632 if (unlikely(sblk->status_tag == tnapi->last_irq_tag)) {
63c3a66f 7633 if (tg3_flag(tp, CHIP_RESETTING) ||
d18edcb2
MC		 7634 (tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
7635 handled = 0;
f47c11ee 7636 goto out;
1da177e4 7637 }
d18edcb2
MC		 7638 }
7639
7640 /*
7641 * writing any value to intr-mbox-0 clears PCI INTA# and
7642 * chip-internal interrupt pending events.
7643 * writing non-zero to intr-mbox-0 additional tells the
7644 * NIC to stop sending us irqs, engaging "in-intr-handler"
7645 * event coalescing.
c04cb347
MC		 7646 *
7647 * Flush the mailbox to de-assert the IRQ immediately to prevent
7648 * spurious interrupts. The flush impacts performance but
7649 * excessive spurious interrupts can be worse in some cases.
d18edcb2 7650 */
c04cb347 7651 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
624f8e50
MC		 7652
7653 /*
7654 * In a shared interrupt configuration, sometimes other devices'
7655 * interrupts will scream. We record the current status tag here
7656 * so that the above check can report that the screaming interrupts
7657 * are unhandled. Eventually they will be silenced.
7658 */
898a56f8 7659 tnapi->last_irq_tag = sblk->status_tag;
624f8e50 7660
d18edcb2
MC		 7661 if (tg3_irq_sync(tp))
7662 goto out;
624f8e50 7663
72334482 7664 prefetch(&tnapi->rx_rcb[tnapi->rx_rcb_ptr]);
624f8e50 7665
09943a18 7666 napi_schedule(&tnapi->napi);
624f8e50 7667
f47c11ee 7668out:
1da177e4
LT		 7669 return IRQ_RETVAL(handled);
7670}
7671
7938109f 7672/* ISR for interrupt test */
7d12e780 7673static irqreturn_t tg3_test_isr(int irq, void *dev_id)
7938109f 7674{
09943a18
MC		 7675 struct tg3_napi *tnapi = dev_id;
7676 struct tg3 *tp = tnapi->tp;
898a56f8 7677 struct tg3_hw_status *sblk = tnapi->hw_status;
7938109f 7678
f9804ddb
MC		 7679 if ((sblk->status & SD_STATUS_UPDATED) ||
7680 !(tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
b16250e3 7681 tg3_disable_ints(tp);
7938109f
MC		 7682 return IRQ_RETVAL(1);
7683 }
7684 return IRQ_RETVAL(0);
7685}
7686
1da177e4
LT		 7687#ifdef CONFIG_NET_POLL_CONTROLLER
7688static void tg3_poll_controller(struct net_device *dev)
7689{
4f125f42 7690 int i;
88b06bc2
MC		 7691 struct tg3 *tp = netdev_priv(dev);
7692
9c13cb8b
NNS		 7693 if (tg3_irq_sync(tp))
7694 return;
7695
4f125f42 7696 for (i = 0; i < tp->irq_cnt; i++)
fe234f0e 7697 tg3_interrupt(tp->napi[i].irq_vec, &tp->napi[i]);
1da177e4
LT		 7698}
7699#endif
7700
0290bd29 7701static void tg3_tx_timeout(struct net_device *dev, unsigned int txqueue)
1da177e4
LT		 7702{
7703 struct tg3 *tp = netdev_priv(dev);
7704
b0408751 7705 if (netif_msg_tx_err(tp)) {
05dbe005 7706 netdev_err(dev, "transmit timed out, resetting\n");
97bd8e49 7707 tg3_dump_state(tp);
b0408751 7708 }
1da177e4 7709
db219973 7710 tg3_reset_task_schedule(tp);
1da177e4
LT		 7711}
7712
c58ec932
MC		 7713/* Test for DMA buffers crossing any 4GB boundaries: 4G, 8G, etc */
7714static inline int tg3_4g_overflow_test(dma_addr_t mapping, int len)
7715{
7716 u32 base = (u32) mapping & 0xffffffff;
7717
37567910 7718 return base + len + 8 < base;
c58ec932
MC		 7719}
7720
0f0d1510
MC		 7721/* Test for TSO DMA buffers that cross into regions which are within MSS bytes
7722 * of any 4GB boundaries: 4G, 8G, etc
7723 */
7724static inline int tg3_4g_tso_overflow_test(struct tg3 *tp, dma_addr_t mapping,
7725 u32 len, u32 mss)
7726{
7727 if (tg3_asic_rev(tp) == ASIC_REV_5762 && mss) {
7728 u32 base = (u32) mapping & 0xffffffff;
7729
7730 return ((base + len + (mss & 0x3fff)) < base);
7731 }
7732 return 0;
7733}
7734
72f2afb8
MC		 7735/* Test for DMA addresses > 40-bit */
7736static inline int tg3_40bit_overflow_test(struct tg3 *tp, dma_addr_t mapping,
7737 int len)
7738{
7739#if defined(CONFIG_HIGHMEM) && (BITS_PER_LONG == 64)
63c3a66f 7740 if (tg3_flag(tp, 40BIT_DMA_BUG))
807540ba 7741 return ((u64) mapping + len) > DMA_BIT_MASK(40);
72f2afb8
MC		 7742 return 0;
7743#else
7744 return 0;
7745#endif
7746}
7747
d1a3b737 7748static inline void tg3_tx_set_bd(struct tg3_tx_buffer_desc *txbd,
92cd3a17
MC		 7749 dma_addr_t mapping, u32 len, u32 flags,
7750 u32 mss, u32 vlan)
2ffcc981 7751{
92cd3a17
MC		 7752 txbd->addr_hi = ((u64) mapping >> 32);
7753 txbd->addr_lo = ((u64) mapping & 0xffffffff);
7754 txbd->len_flags = (len << TXD_LEN_SHIFT) | (flags & 0x0000ffff);
7755 txbd->vlan_tag = (mss << TXD_MSS_SHIFT) | (vlan << TXD_VLAN_TAG_SHIFT);
2ffcc981 7756}
1da177e4 7757
84b67b27 7758static bool tg3_tx_frag_set(struct tg3_napi *tnapi, u32 *entry, u32 *budget,
d1a3b737
MC		 7759 dma_addr_t map, u32 len, u32 flags,
7760 u32 mss, u32 vlan)
7761{
7762 struct tg3 *tp = tnapi->tp;
7763 bool hwbug = false;
7764
7765 if (tg3_flag(tp, SHORT_DMA_BUG) && len <= 8)
3db1cd5c 7766 hwbug = true;
d1a3b737
MC		 7767
7768 if (tg3_4g_overflow_test(map, len))
3db1cd5c 7769 hwbug = true;
d1a3b737 7770
0f0d1510
MC		 7771 if (tg3_4g_tso_overflow_test(tp, map, len, mss))
7772 hwbug = true;
7773
d1a3b737 7774 if (tg3_40bit_overflow_test(tp, map, len))
3db1cd5c 7775 hwbug = true;
d1a3b737 7776
a4cb428d 7777 if (tp->dma_limit) {
b9e45482 7778 u32 prvidx = *entry;
e31aa987 7779 u32 tmp_flag = flags & ~TXD_FLAG_END;
a4cb428d
MC		 7780 while (len > tp->dma_limit && *budget) {
7781 u32 frag_len = tp->dma_limit;
7782 len -= tp->dma_limit;
e31aa987 7783
b9e45482
MC		 7784 /* Avoid the 8byte DMA problem */
7785 if (len <= 8) {
a4cb428d
MC		 7786 len += tp->dma_limit / 2;
7787 frag_len = tp->dma_limit / 2;
e31aa987
MC		 7788 }
7789
b9e45482
MC		 7790 tnapi->tx_buffers[*entry].fragmented = true;
7791
7792 tg3_tx_set_bd(&tnapi->tx_ring[*entry], map,
7793 frag_len, tmp_flag, mss, vlan);
7794 *budget -= 1;
7795 prvidx = *entry;
7796 *entry = NEXT_TX(*entry);
7797
e31aa987
MC		 7798 map += frag_len;
7799 }
7800
7801 if (len) {
7802 if (*budget) {
7803 tg3_tx_set_bd(&tnapi->tx_ring[*entry], map,
7804 len, flags, mss, vlan);
b9e45482 7805 *budget -= 1;
e31aa987
MC		 7806 *entry = NEXT_TX(*entry);
7807 } else {
3db1cd5c 7808 hwbug = true;
b9e45482 7809 tnapi->tx_buffers[prvidx].fragmented = false;
e31aa987
MC		 7810 }
7811 }
7812 } else {
84b67b27
MC		 7813 tg3_tx_set_bd(&tnapi->tx_ring[*entry], map,
7814 len, flags, mss, vlan);
e31aa987
MC		 7815 *entry = NEXT_TX(*entry);
7816 }
d1a3b737
MC		 7817
7818 return hwbug;
7819}
7820
0d681b27 7821static void tg3_tx_skb_unmap(struct tg3_napi *tnapi, u32 entry, int last)
432aa7ed
MC		 7822{
7823 int i;
0d681b27 7824 struct sk_buff *skb;
df8944cf 7825 struct tg3_tx_ring_info *txb = &tnapi->tx_buffers[entry];
432aa7ed 7826
0d681b27
MC		 7827 skb = txb->skb;
7828 txb->skb = NULL;
7829
df70303d
CJ		 7830 dma_unmap_single(&tnapi->tp->pdev->dev, dma_unmap_addr(txb, mapping),
7831 skb_headlen(skb), DMA_TO_DEVICE);
e01ee14d
MC		 7832
7833 while (txb->fragmented) {
7834 txb->fragmented = false;
7835 entry = NEXT_TX(entry);
7836 txb = &tnapi->tx_buffers[entry];
7837 }
7838
ba1142e4 7839 for (i = 0; i <= last; i++) {
9e903e08 7840 const skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
432aa7ed
MC		 7841
7842 entry = NEXT_TX(entry);
7843 txb = &tnapi->tx_buffers[entry];
7844
df70303d 7845 dma_unmap_page(&tnapi->tp->pdev->dev,
432aa7ed 7846 dma_unmap_addr(txb, mapping),
df70303d 7847 skb_frag_size(frag), DMA_TO_DEVICE);
e01ee14d
MC		 7848
7849 while (txb->fragmented) {
7850 txb->fragmented = false;
7851 entry = NEXT_TX(entry);
7852 txb = &tnapi->tx_buffers[entry];
7853 }
432aa7ed
MC		 7854 }
7855}
7856
72f2afb8 7857/* Workaround 4GB and 40-bit hardware DMA bugs. */
24f4efd4 7858static int tigon3_dma_hwbug_workaround(struct tg3_napi *tnapi,
f7ff1987 7859 struct sk_buff **pskb,
84b67b27 7860 u32 *entry, u32 *budget,
92cd3a17 7861 u32 base_flags, u32 mss, u32 vlan)
1da177e4 7862{
24f4efd4 7863 struct tg3 *tp = tnapi->tp;
f7ff1987 7864 struct sk_buff *new_skb, *skb = *pskb;
c58ec932 7865 dma_addr_t new_addr = 0;
432aa7ed 7866 int ret = 0;
1da177e4 7867
4153577a 7868 if (tg3_asic_rev(tp) != ASIC_REV_5701)
41588ba1
MC		 7869 new_skb = skb_copy(skb, GFP_ATOMIC);
7870 else {
7871 int more_headroom = 4 - ((unsigned long)skb->data & 3);
7872
7873 new_skb = skb_copy_expand(skb,
7874 skb_headroom(skb) + more_headroom,
7875 skb_tailroom(skb), GFP_ATOMIC);
7876 }
7877
1da177e4 7878 if (!new_skb) {
c58ec932
MC		 7879 ret = -1;
7880 } else {
7881 /* New SKB is guaranteed to be linear. */
df70303d
CJ		 7882 new_addr = dma_map_single(&tp->pdev->dev, new_skb->data,
7883 new_skb->len, DMA_TO_DEVICE);
f4188d8a 7884 /* Make sure the mapping succeeded */
df70303d 7885 if (dma_mapping_error(&tp->pdev->dev, new_addr)) {
497a27b9 7886 dev_kfree_skb_any(new_skb);
c58ec932 7887 ret = -1;
c58ec932 7888 } else {
b9e45482
MC		 7889 u32 save_entry = *entry;
7890
92cd3a17
MC		 7891 base_flags |= TXD_FLAG_END;
7892
84b67b27
MC		 7893 tnapi->tx_buffers[*entry].skb = new_skb;
7894 dma_unmap_addr_set(&tnapi->tx_buffers[*entry],
432aa7ed
MC		 7895 mapping, new_addr);
7896
84b67b27 7897 if (tg3_tx_frag_set(tnapi, entry, budget, new_addr,
d1a3b737
MC		 7898 new_skb->len, base_flags,
7899 mss, vlan)) {
ba1142e4 7900 tg3_tx_skb_unmap(tnapi, save_entry, -1);
497a27b9 7901 dev_kfree_skb_any(new_skb);
d1a3b737
MC		 7902 ret = -1;
7903 }
f4188d8a 7904 }
1da177e4
LT		 7905 }
7906
1e9d8e7a 7907 dev_consume_skb_any(skb);
f7ff1987 7908 *pskb = new_skb;
c58ec932 7909 return ret;
1da177e4
LT		 7910}
7911
b7d98729
SRK		 7912static bool tg3_tso_bug_gso_check(struct tg3_napi *tnapi, struct sk_buff *skb)
7913{
7914 /* Check if we will never have enough descriptors,
7915 * as gso_segs can be more than current ring size
7916 */
7917 return skb_shinfo(skb)->gso_segs < tnapi->tx_pending / 3;
7918}
7919
c542b39b 7920static netdev_tx_t __tg3_start_xmit(struct sk_buff *, struct net_device *);
52c0fd83 7921
4d8fdc95
PS		 7922/* Use GSO to workaround all TSO packets that meet HW bug conditions
7923 * indicated in tg3_tx_frag_set()
52c0fd83 7924 */
4d8fdc95
PS		 7925static int tg3_tso_bug(struct tg3 *tp, struct tg3_napi *tnapi,
7926 struct netdev_queue *txq, struct sk_buff *skb)
52c0fd83 7927{
f3f3f27e 7928 u32 frag_cnt_est = skb_shinfo(skb)->gso_segs * 3;
9f072238 7929 struct sk_buff *segs, *seg, *next;
52c0fd83
MC		 7930
7931 /* Estimate the number of fragments in the worst case */
4d8fdc95
PS		 7932 if (unlikely(tg3_tx_avail(tnapi) <= frag_cnt_est)) {
7933 netif_tx_stop_queue(txq);
f65aac16
MC		 7934
7935 /* netif_tx_stop_queue() must be done before checking
7936 * checking tx index in tg3_tx_avail() below, because in
7937 * tg3_tx(), we update tx index before checking for
7938 * netif_tx_queue_stopped().
7939 */
7940 smp_mb();
4d8fdc95 7941 if (tg3_tx_avail(tnapi) <= frag_cnt_est)
7f62ad5d
MC		 7942 return NETDEV_TX_BUSY;
7943
4d8fdc95 7944 netif_tx_wake_queue(txq);
52c0fd83
MC		 7945 }
7946
4d8fdc95
PS		 7947 segs = skb_gso_segment(skb, tp->dev->features &
7948 ~(NETIF_F_TSO | NETIF_F_TSO6));
17dd5efe
AP		 7949 if (IS_ERR(segs) || !segs) {
7950 tnapi->tx_dropped++;
52c0fd83 7951 goto tg3_tso_bug_end;
17dd5efe 7952 }
52c0fd83 7953
9f072238
JD		 7954 skb_list_walk_safe(segs, seg, next) {
7955 skb_mark_not_on_list(seg);
c542b39b 7956 __tg3_start_xmit(seg, tp->dev);
9f072238 7957 }
52c0fd83
MC		 7958
7959tg3_tso_bug_end:
1e9d8e7a 7960 dev_consume_skb_any(skb);
52c0fd83
MC		 7961
7962 return NETDEV_TX_OK;
7963}
52c0fd83 7964
d71c0dc4 7965/* hard_start_xmit for all devices */
c542b39b 7966static netdev_tx_t __tg3_start_xmit(struct sk_buff *skb, struct net_device *dev)
1da177e4
LT		 7967{
7968 struct tg3 *tp = netdev_priv(dev);
92cd3a17 7969 u32 len, entry, base_flags, mss, vlan = 0;
84b67b27 7970 u32 budget;
432aa7ed 7971 int i = -1, would_hit_hwbug;
90079ce8 7972 dma_addr_t mapping;
24f4efd4
MC		 7973 struct tg3_napi *tnapi;
7974 struct netdev_queue *txq;
432aa7ed 7975 unsigned int last;
d3f6f3a1
MC		 7976 struct iphdr *iph = NULL;
7977 struct tcphdr *tcph = NULL;
7978 __sum16 tcp_csum = 0, ip_csum = 0;
7979 __be16 ip_tot_len = 0;
f4188d8a 7980
24f4efd4
MC		 7981 txq = netdev_get_tx_queue(dev, skb_get_queue_mapping(skb));
7982 tnapi = &tp->napi[skb_get_queue_mapping(skb)];
63c3a66f 7983 if (tg3_flag(tp, ENABLE_TSS))
24f4efd4 7984 tnapi++;
1da177e4 7985
84b67b27
MC		 7986 budget = tg3_tx_avail(tnapi);
7987
00b70504 7988 /* We are running in BH disabled context with netif_tx_lock
bea3348e 7989 * and TX reclaim runs via tp->napi.poll inside of a software
f47c11ee
DM		 7990 * interrupt. Furthermore, IRQ processing runs lockless so we have
7991 * no IRQ context deadlocks to worry about either. Rejoice!
1da177e4 7992 */
84b67b27 7993 if (unlikely(budget <= (skb_shinfo(skb)->nr_frags + 1))) {
24f4efd4
MC		 7994 if (!netif_tx_queue_stopped(txq)) {
7995 netif_tx_stop_queue(txq);
1f064a87
SH		 7996
7997 /* This is a hard error, log it. */
5129c3a3
MC		 7998 netdev_err(dev,
7999 "BUG! Tx Ring full when queue awake!\n");
1f064a87 8000 }
1da177e4
LT		 8001 return NETDEV_TX_BUSY;
8002 }
8003
f3f3f27e 8004 entry = tnapi->tx_prod;
1da177e4 8005 base_flags = 0;
24f4efd4 8006
be98da6a
MC		 8007 mss = skb_shinfo(skb)->gso_size;
8008 if (mss) {
34195c3d 8009 u32 tcp_opt_len, hdr_len;
1da177e4 8010
105dcb59 8011 if (skb_cow_head(skb, 0))
48855432 8012 goto drop;
1da177e4 8013
34195c3d 8014 iph = ip_hdr(skb);
ab6a5bb6 8015 tcp_opt_len = tcp_optlen(skb);
1da177e4 8016
504148fe 8017 hdr_len = skb_tcp_all_headers(skb) - ETH_HLEN;
34195c3d 8018
476c1885
VY		 8019 /* HW/FW can not correctly segment packets that have been
8020 * vlan encapsulated.
8021 */
8022 if (skb->protocol == htons(ETH_P_8021Q) ||
b7d98729
SRK		 8023 skb->protocol == htons(ETH_P_8021AD)) {
8024 if (tg3_tso_bug_gso_check(tnapi, skb))
8025 return tg3_tso_bug(tp, tnapi, txq, skb);
8026 goto drop;
8027 }
476c1885 8028
a5a11955 8029 if (!skb_is_gso_v6(skb)) {
d71c0dc4 8030 if (unlikely((ETH_HLEN + hdr_len) > 80) &&
b7d98729
SRK		 8031 tg3_flag(tp, TSO_BUG)) {
8032 if (tg3_tso_bug_gso_check(tnapi, skb))
8033 return tg3_tso_bug(tp, tnapi, txq, skb);
8034 goto drop;
8035 }
d3f6f3a1
MC		 8036 ip_csum = iph->check;
8037 ip_tot_len = iph->tot_len;
34195c3d
MC		 8038 iph->check = 0;
8039 iph->tot_len = htons(mss + hdr_len);
8040 }
8041
1da177e4
LT		 8042 base_flags |= (TXD_FLAG_CPU_PRE_DMA |
8043 TXD_FLAG_CPU_POST_DMA);
8044
d3f6f3a1
MC		 8045 tcph = tcp_hdr(skb);
8046 tcp_csum = tcph->check;
8047
63c3a66f
JP		 8048 if (tg3_flag(tp, HW_TSO_1) ||
8049 tg3_flag(tp, HW_TSO_2) ||
8050 tg3_flag(tp, HW_TSO_3)) {
d3f6f3a1 8051 tcph->check = 0;
1da177e4 8052 base_flags &= ~TXD_FLAG_TCPUDP_CSUM;
d3f6f3a1
MC		 8053 } else {
8054 tcph->check = ~csum_tcpudp_magic(iph->saddr, iph->daddr,
8055 0, IPPROTO_TCP, 0);
8056 }
1da177e4 8057
63c3a66f 8058 if (tg3_flag(tp, HW_TSO_3)) {
615774fe
MC		 8059 mss |= (hdr_len & 0xc) << 12;
8060 if (hdr_len & 0x10)
8061 base_flags |= 0x00000010;
8062 base_flags |= (hdr_len & 0x3e0) << 5;
63c3a66f 8063 } else if (tg3_flag(tp, HW_TSO_2))
92c6b8d1 8064 mss |= hdr_len << 9;
63c3a66f 8065 else if (tg3_flag(tp, HW_TSO_1) ||
4153577a 8066 tg3_asic_rev(tp) == ASIC_REV_5705) {
eddc9ec5 8067 if (tcp_opt_len || iph->ihl > 5) {
1da177e4
LT		 8068 int tsflags;
8069
eddc9ec5 8070 tsflags = (iph->ihl - 5) + (tcp_opt_len >> 2);
1da177e4
LT		 8071 mss |= (tsflags << 11);
8072 }
8073 } else {
eddc9ec5 8074 if (tcp_opt_len || iph->ihl > 5) {
1da177e4
LT		 8075 int tsflags;
8076
eddc9ec5 8077 tsflags = (iph->ihl - 5) + (tcp_opt_len >> 2);
1da177e4
LT		 8078 base_flags |= tsflags << 12;
8079 }
8080 }
476c1885
VY		 8081 } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
8082 /* HW/FW can not correctly checksum packets that have been
8083 * vlan encapsulated.
8084 */
8085 if (skb->protocol == htons(ETH_P_8021Q) ||
8086 skb->protocol == htons(ETH_P_8021AD)) {
8087 if (skb_checksum_help(skb))
8088 goto drop;
8089 } else {
8090 base_flags |= TXD_FLAG_TCPUDP_CSUM;
8091 }
1da177e4 8092 }
bf933c80 8093
93a700a9
MC		 8094 if (tg3_flag(tp, USE_JUMBO_BDFLAG) &&
8095 !mss && skb->len > VLAN_ETH_FRAME_LEN)
8096 base_flags |= TXD_FLAG_JMB_PKT;
8097
df8a39de 8098 if (skb_vlan_tag_present(skb)) {
92cd3a17 8099 base_flags |= TXD_FLAG_VLAN;
df8a39de 8100 vlan = skb_vlan_tag_get(skb);
92cd3a17 8101 }
1da177e4 8102
fb4ce8ad
MC		 8103 if ((unlikely(skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP)) &&
8104 tg3_flag(tp, TX_TSTAMP_EN)) {
b22f21f7
PC		 8105 tg3_full_lock(tp, 0);
8106 if (!tp->pre_tx_ts) {
8107 skb_shinfo(skb)->tx_flags |= SKBTX_IN_PROGRESS;
8108 base_flags |= TXD_FLAG_HWTSTAMP;
8109 tg3_read_tx_tstamp(tp, &tp->pre_tx_ts);
8110 }
8111 tg3_full_unlock(tp);
fb4ce8ad
MC		 8112 }
8113
f4188d8a
AD		 8114 len = skb_headlen(skb);
8115
df70303d
CJ		 8116 mapping = dma_map_single(&tp->pdev->dev, skb->data, len,
8117 DMA_TO_DEVICE);
8118 if (dma_mapping_error(&tp->pdev->dev, mapping))
48855432
ED		 8119 goto drop;
8120
90079ce8 8121
f3f3f27e 8122 tnapi->tx_buffers[entry].skb = skb;
4e5e4f0d 8123 dma_unmap_addr_set(&tnapi->tx_buffers[entry], mapping, mapping);
1da177e4
LT		 8124
8125 would_hit_hwbug = 0;
8126
63c3a66f 8127 if (tg3_flag(tp, 5701_DMA_BUG))
c58ec932 8128 would_hit_hwbug = 1;
1da177e4 8129
84b67b27 8130 if (tg3_tx_frag_set(tnapi, &entry, &budget, mapping, len, base_flags |
d1a3b737 8131 ((skb_shinfo(skb)->nr_frags == 0) ? TXD_FLAG_END : 0),
ba1142e4 8132 mss, vlan)) {
d1a3b737 8133 would_hit_hwbug = 1;
ba1142e4 8134 } else if (skb_shinfo(skb)->nr_frags > 0) {
92cd3a17
MC		 8135 u32 tmp_mss = mss;
8136
8137 if (!tg3_flag(tp, HW_TSO_1) &&
8138 !tg3_flag(tp, HW_TSO_2) &&
8139 !tg3_flag(tp, HW_TSO_3))
8140 tmp_mss = 0;
8141
c5665a53
MC		 8142 /* Now loop through additional data
8143 * fragments, and queue them.
8144 */
1da177e4
LT		 8145 last = skb_shinfo(skb)->nr_frags - 1;
8146 for (i = 0; i <= last; i++) {
8147 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
8148
9e903e08 8149 len = skb_frag_size(frag);
dc234d0b 8150 mapping = skb_frag_dma_map(&tp->pdev->dev, frag, 0,
5d6bcdfe 8151 len, DMA_TO_DEVICE);
1da177e4 8152
f3f3f27e 8153 tnapi->tx_buffers[entry].skb = NULL;
4e5e4f0d 8154 dma_unmap_addr_set(&tnapi->tx_buffers[entry], mapping,
f4188d8a 8155 mapping);
5d6bcdfe 8156 if (dma_mapping_error(&tp->pdev->dev, mapping))
f4188d8a 8157 goto dma_error;
1da177e4 8158
b9e45482
MC		 8159 if (!budget ||
8160 tg3_tx_frag_set(tnapi, &entry, &budget, mapping,
84b67b27
MC		 8161 len, base_flags |
8162 ((i == last) ? TXD_FLAG_END : 0),
b9e45482 8163 tmp_mss, vlan)) {
72f2afb8 8164 would_hit_hwbug = 1;
b9e45482
MC		 8165 break;
8166 }
1da177e4
LT		 8167 }
8168 }
8169
8170 if (would_hit_hwbug) {
0d681b27 8171 tg3_tx_skb_unmap(tnapi, tnapi->tx_prod, i);
1da177e4 8172
b7d98729 8173 if (mss && tg3_tso_bug_gso_check(tnapi, skb)) {
d3f6f3a1
MC		 8174 /* If it's a TSO packet, do GSO instead of
8175 * allocating and copying to a large linear SKB
8176 */
8177 if (ip_tot_len) {
8178 iph->check = ip_csum;
8179 iph->tot_len = ip_tot_len;
8180 }
8181 tcph->check = tcp_csum;
4d8fdc95 8182 return tg3_tso_bug(tp, tnapi, txq, skb);
d3f6f3a1
MC		 8183 }
8184
1da177e4
LT		 8185 /* If the workaround fails due to memory/mapping
8186 * failure, silently drop this packet.
8187 */
84b67b27
MC		 8188 entry = tnapi->tx_prod;
8189 budget = tg3_tx_avail(tnapi);
f7ff1987 8190 if (tigon3_dma_hwbug_workaround(tnapi, &skb, &entry, &budget,
84b67b27 8191 base_flags, mss, vlan))
48855432 8192 goto drop_nofree;
1da177e4
LT		 8193 }
8194
d515b450 8195 skb_tx_timestamp(skb);
5cb917bc 8196 netdev_tx_sent_queue(txq, skb->len);
d515b450 8197
6541b806
MC		 8198 /* Sync BD data before updating mailbox */
8199 wmb();
8200
f3f3f27e
MC		 8201 tnapi->tx_prod = entry;
8202 if (unlikely(tg3_tx_avail(tnapi) <= (MAX_SKB_FRAGS + 1))) {
24f4efd4 8203 netif_tx_stop_queue(txq);
f65aac16
MC		 8204
8205 /* netif_tx_stop_queue() must be done before checking
8206 * checking tx index in tg3_tx_avail() below, because in
8207 * tg3_tx(), we update tx index before checking for
8208 * netif_tx_queue_stopped().
8209 */
8210 smp_mb();
f3f3f27e 8211 if (tg3_tx_avail(tnapi) > TG3_TX_WAKEUP_THRESH(tnapi))
24f4efd4 8212 netif_tx_wake_queue(txq);
51b91468 8213 }
1da177e4 8214
1da177e4 8215 return NETDEV_TX_OK;
f4188d8a
AD		 8216
8217dma_error:
ba1142e4 8218 tg3_tx_skb_unmap(tnapi, tnapi->tx_prod, --i);
432aa7ed 8219 tnapi->tx_buffers[tnapi->tx_prod].skb = NULL;
48855432 8220drop:
497a27b9 8221 dev_kfree_skb_any(skb);
48855432 8222drop_nofree:
907d1bdb 8223 tnapi->tx_dropped++;
f4188d8a 8224 return NETDEV_TX_OK;
1da177e4
LT		 8225}
8226
c542b39b
AP		 8227static netdev_tx_t tg3_start_xmit(struct sk_buff *skb, struct net_device *dev)
8228{
8229 struct netdev_queue *txq;
8230 u16 skb_queue_mapping;
8231 netdev_tx_t ret;
8232
8233 skb_queue_mapping = skb_get_queue_mapping(skb);
8234 txq = netdev_get_tx_queue(dev, skb_queue_mapping);
8235
8236 ret = __tg3_start_xmit(skb, dev);
8237
8238 /* Notify the hardware that packets are ready by updating the TX ring
8239 * tail pointer. We respect netdev_xmit_more() thus avoiding poking
8240 * the hardware for every packet. To guarantee forward progress the TX
8241 * ring must be drained when it is full as indicated by
8242 * netif_xmit_stopped(). This needs to happen even when the current
8243 * skb was dropped or rejected with NETDEV_TX_BUSY. Otherwise packets
8244 * queued by previous __tg3_start_xmit() calls might get stuck in
8245 * the queue forever.
8246 */
8247 if (!netdev_xmit_more() || netif_xmit_stopped(txq)) {
8248 struct tg3_napi *tnapi;
8249 struct tg3 *tp;
8250
8251 tp = netdev_priv(dev);
8252 tnapi = &tp->napi[skb_queue_mapping];
8253
8254 if (tg3_flag(tp, ENABLE_TSS))
8255 tnapi++;
8256
8257 tw32_tx_mbox(tnapi->prodmbox, tnapi->tx_prod);
8258 }
8259
8260 return ret;
8261}
8262
6e01b20b
MC		 8263static void tg3_mac_loopback(struct tg3 *tp, bool enable)
8264{
8265 if (enable) {
8266 tp->mac_mode &= ~(MAC_MODE_HALF_DUPLEX |
8267 MAC_MODE_PORT_MODE_MASK);
8268
8269 tp->mac_mode |= MAC_MODE_PORT_INT_LPBACK;
8270
8271 if (!tg3_flag(tp, 5705_PLUS))
8272 tp->mac_mode |= MAC_MODE_LINK_POLARITY;
8273
8274 if (tp->phy_flags & TG3_PHYFLG_10_100_ONLY)
8275 tp->mac_mode |= MAC_MODE_PORT_MODE_MII;
8276 else
8277 tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
8278 } else {
8279 tp->mac_mode &= ~MAC_MODE_PORT_INT_LPBACK;
8280
8281 if (tg3_flag(tp, 5705_PLUS) ||
8282 (tp->phy_flags & TG3_PHYFLG_PHY_SERDES) ||
4153577a 8283 tg3_asic_rev(tp) == ASIC_REV_5700)
6e01b20b
MC		 8284 tp->mac_mode &= ~MAC_MODE_LINK_POLARITY;
8285 }
8286
8287 tw32(MAC_MODE, tp->mac_mode);
8288 udelay(40);
8289}
8290
941ec90f 8291static int tg3_phy_lpbk_set(struct tg3 *tp, u32 speed, bool extlpbk)
5e5a7f37 8292{
941ec90f 8293 u32 val, bmcr, mac_mode, ptest = 0;
5e5a7f37
MC		 8294
8295 tg3_phy_toggle_apd(tp, false);
953c96e0 8296 tg3_phy_toggle_automdix(tp, false);
5e5a7f37 8297
941ec90f
MC		 8298 if (extlpbk && tg3_phy_set_extloopbk(tp))
8299 return -EIO;
8300
8301 bmcr = BMCR_FULLDPLX;
5e5a7f37
MC		 8302 switch (speed) {
8303 case SPEED_10:
8304 break;
8305 case SPEED_100:
8306 bmcr |= BMCR_SPEED100;
8307 break;
8308 case SPEED_1000:
8309 default:
8310 if (tp->phy_flags & TG3_PHYFLG_IS_FET) {
8311 speed = SPEED_100;
8312 bmcr |= BMCR_SPEED100;
8313 } else {
8314 speed = SPEED_1000;
8315 bmcr |= BMCR_SPEED1000;
8316 }
8317 }
8318
941ec90f
MC		 8319 if (extlpbk) {
8320 if (!(tp->phy_flags & TG3_PHYFLG_IS_FET)) {
8321 tg3_readphy(tp, MII_CTRL1000, &val);
8322 val |= CTL1000_AS_MASTER |
8323 CTL1000_ENABLE_MASTER;
8324 tg3_writephy(tp, MII_CTRL1000, val);
8325 } else {
8326 ptest = MII_TG3_FET_PTEST_TRIM_SEL |
8327 MII_TG3_FET_PTEST_TRIM_2;
8328 tg3_writephy(tp, MII_TG3_FET_PTEST, ptest);
8329 }
8330 } else
8331 bmcr |= BMCR_LOOPBACK;
8332
5e5a7f37
MC		 8333 tg3_writephy(tp, MII_BMCR, bmcr);
8334
8335 /* The write needs to be flushed for the FETs */
8336 if (tp->phy_flags & TG3_PHYFLG_IS_FET)
8337 tg3_readphy(tp, MII_BMCR, &bmcr);
8338
8339 udelay(40);
8340
8341 if ((tp->phy_flags & TG3_PHYFLG_IS_FET) &&
4153577a 8342 tg3_asic_rev(tp) == ASIC_REV_5785) {
941ec90f 8343 tg3_writephy(tp, MII_TG3_FET_PTEST, ptest |
5e5a7f37
MC		 8344 MII_TG3_FET_PTEST_FRC_TX_LINK |
8345 MII_TG3_FET_PTEST_FRC_TX_LOCK);
8346
8347 /* The write needs to be flushed for the AC131 */
8348 tg3_readphy(tp, MII_TG3_FET_PTEST, &val);
8349 }
8350
8351 /* Reset to prevent losing 1st rx packet intermittently */
8352 if ((tp->phy_flags & TG3_PHYFLG_MII_SERDES) &&
8353 tg3_flag(tp, 5780_CLASS)) {
8354 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
8355 udelay(10);
8356 tw32_f(MAC_RX_MODE, tp->rx_mode);
8357 }
8358
8359 mac_mode = tp->mac_mode &
8360 ~(MAC_MODE_PORT_MODE_MASK | MAC_MODE_HALF_DUPLEX);
8361 if (speed == SPEED_1000)
8362 mac_mode |= MAC_MODE_PORT_MODE_GMII;
8363 else
8364 mac_mode |= MAC_MODE_PORT_MODE_MII;
8365
4153577a 8366 if (tg3_asic_rev(tp) == ASIC_REV_5700) {
5e5a7f37
MC		 8367 u32 masked_phy_id = tp->phy_id & TG3_PHY_ID_MASK;
8368
8369 if (masked_phy_id == TG3_PHY_ID_BCM5401)
8370 mac_mode &= ~MAC_MODE_LINK_POLARITY;
8371 else if (masked_phy_id == TG3_PHY_ID_BCM5411)
8372 mac_mode |= MAC_MODE_LINK_POLARITY;
8373
8374 tg3_writephy(tp, MII_TG3_EXT_CTRL,
8375 MII_TG3_EXT_CTRL_LNK3_LED_MODE);
8376 }
8377
8378 tw32(MAC_MODE, mac_mode);
8379 udelay(40);
941ec90f
MC		 8380
8381 return 0;
5e5a7f37
MC		 8382}
8383
c8f44aff 8384static void tg3_set_loopback(struct net_device *dev, netdev_features_t features)
06c03c02
MB		 8385{
8386 struct tg3 *tp = netdev_priv(dev);
8387
8388 if (features & NETIF_F_LOOPBACK) {
8389 if (tp->mac_mode & MAC_MODE_PORT_INT_LPBACK)
8390 return;
8391
06c03c02 8392 spin_lock_bh(&tp->lock);
6e01b20b 8393 tg3_mac_loopback(tp, true);
06c03c02
MB		 8394 netif_carrier_on(tp->dev);
8395 spin_unlock_bh(&tp->lock);
8396 netdev_info(dev, "Internal MAC loopback mode enabled.\n");
8397 } else {
8398 if (!(tp->mac_mode & MAC_MODE_PORT_INT_LPBACK))
8399 return;
8400
06c03c02 8401 spin_lock_bh(&tp->lock);
6e01b20b 8402 tg3_mac_loopback(tp, false);
06c03c02 8403 /* Force link status check */
953c96e0 8404 tg3_setup_phy(tp, true);
06c03c02
MB		 8405 spin_unlock_bh(&tp->lock);
8406 netdev_info(dev, "Internal MAC loopback mode disabled.\n");
8407 }
8408}
8409
c8f44aff
MM		 8410static netdev_features_t tg3_fix_features(struct net_device *dev,
8411 netdev_features_t features)
dc668910
MM		 8412{
8413 struct tg3 *tp = netdev_priv(dev);
8414
63c3a66f 8415 if (dev->mtu > ETH_DATA_LEN && tg3_flag(tp, 5780_CLASS))
dc668910
MM		 8416 features &= ~NETIF_F_ALL_TSO;
8417
8418 return features;
8419}
8420
c8f44aff 8421static int tg3_set_features(struct net_device *dev, netdev_features_t features)
06c03c02 8422{
c8f44aff 8423 netdev_features_t changed = dev->features ^ features;
06c03c02
MB		 8424
8425 if ((changed & NETIF_F_LOOPBACK) && netif_running(dev))
8426 tg3_set_loopback(dev, features);
8427
8428 return 0;
8429}
8430
21f581a5
MC		 8431static void tg3_rx_prodring_free(struct tg3 *tp,
8432 struct tg3_rx_prodring_set *tpr)
1da177e4 8433{
1da177e4
LT		 8434 int i;
8435
8fea32b9 8436 if (tpr != &tp->napi[0].prodring) {
b196c7e4 8437 for (i = tpr->rx_std_cons_idx; i != tpr->rx_std_prod_idx;
2c49a44d 8438 i = (i + 1) & tp->rx_std_ring_mask)
9205fd9c 8439 tg3_rx_data_free(tp, &tpr->rx_std_buffers[i],
b196c7e4
MC		 8440 tp->rx_pkt_map_sz);
8441
63c3a66f 8442 if (tg3_flag(tp, JUMBO_CAPABLE)) {
b196c7e4
MC		 8443 for (i = tpr->rx_jmb_cons_idx;
8444 i != tpr->rx_jmb_prod_idx;
2c49a44d 8445 i = (i + 1) & tp->rx_jmb_ring_mask) {
9205fd9c 8446 tg3_rx_data_free(tp, &tpr->rx_jmb_buffers[i],
b196c7e4
MC		 8447 TG3_RX_JMB_MAP_SZ);
8448 }
8449 }
8450
2b2cdb65 8451 return;
b196c7e4 8452 }
1da177e4 8453
2c49a44d 8454 for (i = 0; i <= tp->rx_std_ring_mask; i++)
9205fd9c 8455 tg3_rx_data_free(tp, &tpr->rx_std_buffers[i],
2b2cdb65 8456 tp->rx_pkt_map_sz);
1da177e4 8457
63c3a66f 8458 if (tg3_flag(tp, JUMBO_CAPABLE) && !tg3_flag(tp, 5780_CLASS)) {
2c49a44d 8459 for (i = 0; i <= tp->rx_jmb_ring_mask; i++)
9205fd9c 8460 tg3_rx_data_free(tp, &tpr->rx_jmb_buffers[i],
2b2cdb65 8461 TG3_RX_JMB_MAP_SZ);
1da177e4
LT		 8462 }
8463}
8464
c6cdf436 8465/* Initialize rx rings for packet processing.
1da177e4
LT		 8466 *
8467 * The chip has been shut down and the driver detached from
8468 * the networking, so no interrupts or new tx packets will
8469 * end up in the driver. tp->{tx,}lock are held and thus
8470 * we may not sleep.
8471 */
21f581a5
MC		 8472static int tg3_rx_prodring_alloc(struct tg3 *tp,
8473 struct tg3_rx_prodring_set *tpr)
1da177e4 8474{
287be12e 8475 u32 i, rx_pkt_dma_sz;
1da177e4 8476
b196c7e4
MC		 8477 tpr->rx_std_cons_idx = 0;
8478 tpr->rx_std_prod_idx = 0;
8479 tpr->rx_jmb_cons_idx = 0;
8480 tpr->rx_jmb_prod_idx = 0;
8481
8fea32b9 8482 if (tpr != &tp->napi[0].prodring) {
2c49a44d
MC		 8483 memset(&tpr->rx_std_buffers[0], 0,
8484 TG3_RX_STD_BUFF_RING_SIZE(tp));
48035728 8485 if (tpr->rx_jmb_buffers)
2b2cdb65 8486 memset(&tpr->rx_jmb_buffers[0], 0,
2c49a44d 8487 TG3_RX_JMB_BUFF_RING_SIZE(tp));
2b2cdb65
MC		 8488 goto done;
8489 }
8490
1da177e4 8491 /* Zero out all descriptors. */
2c49a44d 8492 memset(tpr->rx_std, 0, TG3_RX_STD_RING_BYTES(tp));
1da177e4 8493
287be12e 8494 rx_pkt_dma_sz = TG3_RX_STD_DMA_SZ;
63c3a66f 8495 if (tg3_flag(tp, 5780_CLASS) &&
287be12e
MC		 8496 tp->dev->mtu > ETH_DATA_LEN)
8497 rx_pkt_dma_sz = TG3_RX_JMB_DMA_SZ;
8498 tp->rx_pkt_map_sz = TG3_RX_DMA_TO_MAP_SZ(rx_pkt_dma_sz);
7e72aad4 8499
1da177e4
LT		 8500 /* Initialize invariants of the rings, we only set this
8501 * stuff once. This works because the card does not
8502 * write into the rx buffer posting rings.
8503 */
2c49a44d 8504 for (i = 0; i <= tp->rx_std_ring_mask; i++) {
1da177e4
LT		 8505 struct tg3_rx_buffer_desc *rxd;
8506
21f581a5 8507 rxd = &tpr->rx_std[i];
287be12e 8508 rxd->idx_len = rx_pkt_dma_sz << RXD_LEN_SHIFT;
1da177e4
LT		 8509 rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT);
8510 rxd->opaque = (RXD_OPAQUE_RING_STD |
8511 (i << RXD_OPAQUE_INDEX_SHIFT));
8512 }
8513
1da177e4
LT		 8514 /* Now allocate fresh SKBs for each rx ring. */
8515 for (i = 0; i < tp->rx_pending; i++) {
8d4057a9
ED		 8516 unsigned int frag_size;
8517
8518 if (tg3_alloc_rx_data(tp, tpr, RXD_OPAQUE_RING_STD, i,
8519 &frag_size) < 0) {
5129c3a3
MC		 8520 netdev_warn(tp->dev,
8521 "Using a smaller RX standard ring. Only "
8522 "%d out of %d buffers were allocated "
8523 "successfully\n", i, tp->rx_pending);
32d8c572 8524 if (i == 0)
cf7a7298 8525 goto initfail;
32d8c572 8526 tp->rx_pending = i;
1da177e4 8527 break;
32d8c572 8528 }
1da177e4
LT		 8529 }
8530
63c3a66f 8531 if (!tg3_flag(tp, JUMBO_CAPABLE) || tg3_flag(tp, 5780_CLASS))
cf7a7298
MC		 8532 goto done;
8533
2c49a44d 8534 memset(tpr->rx_jmb, 0, TG3_RX_JMB_RING_BYTES(tp));
cf7a7298 8535
63c3a66f 8536 if (!tg3_flag(tp, JUMBO_RING_ENABLE))
0d86df80 8537 goto done;
cf7a7298 8538
2c49a44d 8539 for (i = 0; i <= tp->rx_jmb_ring_mask; i++) {
0d86df80
MC		 8540 struct tg3_rx_buffer_desc *rxd;
8541
8542 rxd = &tpr->rx_jmb[i].std;
8543 rxd->idx_len = TG3_RX_JMB_DMA_SZ << RXD_LEN_SHIFT;
8544 rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT) |
8545 RXD_FLAG_JUMBO;
8546 rxd->opaque = (RXD_OPAQUE_RING_JUMBO |
8547 (i << RXD_OPAQUE_INDEX_SHIFT));
8548 }
8549
8550 for (i = 0; i < tp->rx_jumbo_pending; i++) {
8d4057a9
ED		 8551 unsigned int frag_size;
8552
8553 if (tg3_alloc_rx_data(tp, tpr, RXD_OPAQUE_RING_JUMBO, i,
8554 &frag_size) < 0) {
5129c3a3
MC		 8555 netdev_warn(tp->dev,
8556 "Using a smaller RX jumbo ring. Only %d "
8557 "out of %d buffers were allocated "
8558 "successfully\n", i, tp->rx_jumbo_pending);
0d86df80
MC		 8559 if (i == 0)
8560 goto initfail;
8561 tp->rx_jumbo_pending = i;
8562 break;
1da177e4
LT		 8563 }
8564 }
cf7a7298
MC		 8565
8566done:
32d8c572 8567 return 0;
cf7a7298
MC		 8568
8569initfail:
21f581a5 8570 tg3_rx_prodring_free(tp, tpr);
cf7a7298 8571 return -ENOMEM;
1da177e4
LT		 8572}
8573
21f581a5
MC		 8574static void tg3_rx_prodring_fini(struct tg3 *tp,
8575 struct tg3_rx_prodring_set *tpr)
1da177e4 8576{
21f581a5
MC		 8577 kfree(tpr->rx_std_buffers);
8578 tpr->rx_std_buffers = NULL;
8579 kfree(tpr->rx_jmb_buffers);
8580 tpr->rx_jmb_buffers = NULL;
8581 if (tpr->rx_std) {
4bae65c8
MC		 8582 dma_free_coherent(&tp->pdev->dev, TG3_RX_STD_RING_BYTES(tp),
8583 tpr->rx_std, tpr->rx_std_mapping);
21f581a5 8584 tpr->rx_std = NULL;
1da177e4 8585 }
21f581a5 8586 if (tpr->rx_jmb) {
4bae65c8
MC		 8587 dma_free_coherent(&tp->pdev->dev, TG3_RX_JMB_RING_BYTES(tp),
8588 tpr->rx_jmb, tpr->rx_jmb_mapping);
21f581a5 8589 tpr->rx_jmb = NULL;
1da177e4 8590 }
cf7a7298
MC		 8591}
8592
21f581a5
MC		 8593static int tg3_rx_prodring_init(struct tg3 *tp,
8594 struct tg3_rx_prodring_set *tpr)
cf7a7298 8595{
2c49a44d
MC		 8596 tpr->rx_std_buffers = kzalloc(TG3_RX_STD_BUFF_RING_SIZE(tp),
8597 GFP_KERNEL);
21f581a5 8598 if (!tpr->rx_std_buffers)
cf7a7298
MC		 8599 return -ENOMEM;
8600
4bae65c8
MC		 8601 tpr->rx_std = dma_alloc_coherent(&tp->pdev->dev,
8602 TG3_RX_STD_RING_BYTES(tp),
8603 &tpr->rx_std_mapping,
8604 GFP_KERNEL);
21f581a5 8605 if (!tpr->rx_std)
cf7a7298
MC		 8606 goto err_out;
8607
63c3a66f 8608 if (tg3_flag(tp, JUMBO_CAPABLE) && !tg3_flag(tp, 5780_CLASS)) {
2c49a44d 8609 tpr->rx_jmb_buffers = kzalloc(TG3_RX_JMB_BUFF_RING_SIZE(tp),
21f581a5
MC		 8610 GFP_KERNEL);
8611 if (!tpr->rx_jmb_buffers)
cf7a7298
MC		 8612 goto err_out;
8613
4bae65c8
MC		 8614 tpr->rx_jmb = dma_alloc_coherent(&tp->pdev->dev,
8615 TG3_RX_JMB_RING_BYTES(tp),
8616 &tpr->rx_jmb_mapping,
8617 GFP_KERNEL);
21f581a5 8618 if (!tpr->rx_jmb)
cf7a7298
MC		 8619 goto err_out;
8620 }
8621
8622 return 0;
8623
8624err_out:
21f581a5 8625 tg3_rx_prodring_fini(tp, tpr);
cf7a7298
MC		 8626 return -ENOMEM;
8627}
8628
8629/* Free up pending packets in all rx/tx rings.
8630 *
8631 * The chip has been shut down and the driver detached from
8632 * the networking, so no interrupts or new tx packets will
8633 * end up in the driver. tp->{tx,}lock is not held and we are not
8634 * in an interrupt context and thus may sleep.
8635 */
8636static void tg3_free_rings(struct tg3 *tp)
8637{
f77a6a8e 8638 int i, j;
cf7a7298 8639
f77a6a8e
MC		 8640 for (j = 0; j < tp->irq_cnt; j++) {
8641 struct tg3_napi *tnapi = &tp->napi[j];
cf7a7298 8642
8fea32b9 8643 tg3_rx_prodring_free(tp, &tnapi->prodring);
b28f6428 8644
0c1d0e2b
MC		 8645 if (!tnapi->tx_buffers)
8646 continue;
8647
0d681b27
MC		 8648 for (i = 0; i < TG3_TX_RING_SIZE; i++) {
8649 struct sk_buff *skb = tnapi->tx_buffers[i].skb;
cf7a7298 8650
0d681b27 8651 if (!skb)
f77a6a8e 8652 continue;
cf7a7298 8653
ba1142e4
MC		 8654 tg3_tx_skb_unmap(tnapi, i,
8655 skb_shinfo(skb)->nr_frags - 1);
f77a6a8e 8656
1e9d8e7a 8657 dev_consume_skb_any(skb);
f77a6a8e 8658 }
5cb917bc 8659 netdev_tx_reset_queue(netdev_get_tx_queue(tp->dev, j));
2b2cdb65 8660 }
cf7a7298
MC		 8661}
8662
8663/* Initialize tx/rx rings for packet processing.
8664 *
8665 * The chip has been shut down and the driver detached from
8666 * the networking, so no interrupts or new tx packets will
8667 * end up in the driver. tp->{tx,}lock are held and thus
8668 * we may not sleep.
8669 */
8670static int tg3_init_rings(struct tg3 *tp)
8671{
f77a6a8e 8672 int i;
72334482 8673
cf7a7298
MC		 8674 /* Free up all the SKBs. */
8675 tg3_free_rings(tp);
8676
f77a6a8e
MC		 8677 for (i = 0; i < tp->irq_cnt; i++) {
8678 struct tg3_napi *tnapi = &tp->napi[i];
8679
8680 tnapi->last_tag = 0;
8681 tnapi->last_irq_tag = 0;
8682 tnapi->hw_status->status = 0;
8683 tnapi->hw_status->status_tag = 0;
8684 memset(tnapi->hw_status, 0, TG3_HW_STATUS_SIZE);
cf7a7298 8685
f77a6a8e
MC		 8686 tnapi->tx_prod = 0;
8687 tnapi->tx_cons = 0;
0c1d0e2b
MC		 8688 if (tnapi->tx_ring)
8689 memset(tnapi->tx_ring, 0, TG3_TX_RING_BYTES);
f77a6a8e
MC		 8690
8691 tnapi->rx_rcb_ptr = 0;
0c1d0e2b
MC		 8692 if (tnapi->rx_rcb)
8693 memset(tnapi->rx_rcb, 0, TG3_RX_RCB_RING_BYTES(tp));
2b2cdb65 8694
a620a6bc
TLSC		 8695 if (tnapi->prodring.rx_std &&
8696 tg3_rx_prodring_alloc(tp, &tnapi->prodring)) {
e4af1af9 8697 tg3_free_rings(tp);
2b2cdb65 8698 return -ENOMEM;
e4af1af9 8699 }
f77a6a8e 8700 }
72334482 8701
2b2cdb65 8702 return 0;
cf7a7298
MC		 8703}
8704
49a359e3 8705static void tg3_mem_tx_release(struct tg3 *tp)
cf7a7298 8706{
f77a6a8e 8707 int i;
898a56f8 8708
49a359e3 8709 for (i = 0; i < tp->irq_max; i++) {
f77a6a8e
MC		 8710 struct tg3_napi *tnapi = &tp->napi[i];
8711
8712 if (tnapi->tx_ring) {
4bae65c8 8713 dma_free_coherent(&tp->pdev->dev, TG3_TX_RING_BYTES,
f77a6a8e
MC		 8714 tnapi->tx_ring, tnapi->tx_desc_mapping);
8715 tnapi->tx_ring = NULL;
8716 }
8717
8718 kfree(tnapi->tx_buffers);
8719 tnapi->tx_buffers = NULL;
49a359e3
MC		 8720 }
8721}
f77a6a8e 8722
49a359e3
MC		 8723static int tg3_mem_tx_acquire(struct tg3 *tp)
8724{
8725 int i;
8726 struct tg3_napi *tnapi = &tp->napi[0];
8727
8728 /* If multivector TSS is enabled, vector 0 does not handle
8729 * tx interrupts. Don't allocate any resources for it.
8730 */
8731 if (tg3_flag(tp, ENABLE_TSS))
8732 tnapi++;
8733
8734 for (i = 0; i < tp->txq_cnt; i++, tnapi++) {
6396bb22
KC		 8735 tnapi->tx_buffers = kcalloc(TG3_TX_RING_SIZE,
8736 sizeof(struct tg3_tx_ring_info),
8737 GFP_KERNEL);
49a359e3
MC		 8738 if (!tnapi->tx_buffers)
8739 goto err_out;
8740
8741 tnapi->tx_ring = dma_alloc_coherent(&tp->pdev->dev,
8742 TG3_TX_RING_BYTES,
8743 &tnapi->tx_desc_mapping,
8744 GFP_KERNEL);
8745 if (!tnapi->tx_ring)
8746 goto err_out;
8747 }
8748
8749 return 0;
8750
8751err_out:
8752 tg3_mem_tx_release(tp);
8753 return -ENOMEM;
8754}
8755
8756static void tg3_mem_rx_release(struct tg3 *tp)
8757{
8758 int i;
8759
8760 for (i = 0; i < tp->irq_max; i++) {
8761 struct tg3_napi *tnapi = &tp->napi[i];
f77a6a8e 8762
8fea32b9
MC		 8763 tg3_rx_prodring_fini(tp, &tnapi->prodring);
8764
49a359e3
MC		 8765 if (!tnapi->rx_rcb)
8766 continue;
8767
8768 dma_free_coherent(&tp->pdev->dev,
8769 TG3_RX_RCB_RING_BYTES(tp),
8770 tnapi->rx_rcb,
8771 tnapi->rx_rcb_mapping);
8772 tnapi->rx_rcb = NULL;
8773 }
8774}
8775
8776static int tg3_mem_rx_acquire(struct tg3 *tp)
8777{
8778 unsigned int i, limit;
8779
8780 limit = tp->rxq_cnt;
8781
8782 /* If RSS is enabled, we need a (dummy) producer ring
8783 * set on vector zero. This is the true hw prodring.
8784 */
8785 if (tg3_flag(tp, ENABLE_RSS))
8786 limit++;
8787
8788 for (i = 0; i < limit; i++) {
8789 struct tg3_napi *tnapi = &tp->napi[i];
8790
8791 if (tg3_rx_prodring_init(tp, &tnapi->prodring))
8792 goto err_out;
8793
8794 /* If multivector RSS is enabled, vector 0
8795 * does not handle rx or tx interrupts.
8796 * Don't allocate any resources for it.
8797 */
8798 if (!i && tg3_flag(tp, ENABLE_RSS))
8799 continue;
8800
750afb08
LC		 8801 tnapi->rx_rcb = dma_alloc_coherent(&tp->pdev->dev,
8802 TG3_RX_RCB_RING_BYTES(tp),
8803 &tnapi->rx_rcb_mapping,
8804 GFP_KERNEL);
49a359e3
MC		 8805 if (!tnapi->rx_rcb)
8806 goto err_out;
49a359e3
MC		 8807 }
8808
8809 return 0;
8810
8811err_out:
8812 tg3_mem_rx_release(tp);
8813 return -ENOMEM;
8814}
8815
8816/*
8817 * Must not be invoked with interrupt sources disabled and
8818 * the hardware shutdown down.
8819 */
8820static void tg3_free_consistent(struct tg3 *tp)
8821{
8822 int i;
8823
8824 for (i = 0; i < tp->irq_cnt; i++) {
8825 struct tg3_napi *tnapi = &tp->napi[i];
8826
f77a6a8e 8827 if (tnapi->hw_status) {
4bae65c8
MC		 8828 dma_free_coherent(&tp->pdev->dev, TG3_HW_STATUS_SIZE,
8829 tnapi->hw_status,
8830 tnapi->status_mapping);
f77a6a8e
MC		 8831 tnapi->hw_status = NULL;
8832 }
1da177e4 8833 }
f77a6a8e 8834
49a359e3
MC		 8835 tg3_mem_rx_release(tp);
8836 tg3_mem_tx_release(tp);
8837
d89a2adb
MC		 8838 /* tp->hw_stats can be referenced safely:
8839 * 1. under rtnl_lock
8840 * 2. or under tp->lock if TG3_FLAG_INIT_COMPLETE is set.
8841 */
1da177e4 8842 if (tp->hw_stats) {
4bae65c8
MC		 8843 dma_free_coherent(&tp->pdev->dev, sizeof(struct tg3_hw_stats),
8844 tp->hw_stats, tp->stats_mapping);
1da177e4
LT		 8845 tp->hw_stats = NULL;
8846 }
8847}
8848
8849/*
8850 * Must not be invoked with interrupt sources disabled and
8851 * the hardware shutdown down. Can sleep.
8852 */
8853static int tg3_alloc_consistent(struct tg3 *tp)
8854{
f77a6a8e 8855 int i;
898a56f8 8856
750afb08
LC		 8857 tp->hw_stats = dma_alloc_coherent(&tp->pdev->dev,
8858 sizeof(struct tg3_hw_stats),
8859 &tp->stats_mapping, GFP_KERNEL);
f77a6a8e 8860 if (!tp->hw_stats)
1da177e4
LT		 8861 goto err_out;
8862
f77a6a8e
MC		 8863 for (i = 0; i < tp->irq_cnt; i++) {
8864 struct tg3_napi *tnapi = &tp->napi[i];
8d9d7cfc 8865 struct tg3_hw_status *sblk;
1da177e4 8866
750afb08
LC		 8867 tnapi->hw_status = dma_alloc_coherent(&tp->pdev->dev,
8868 TG3_HW_STATUS_SIZE,
8869 &tnapi->status_mapping,
8870 GFP_KERNEL);
f77a6a8e
MC		 8871 if (!tnapi->hw_status)
8872 goto err_out;
898a56f8 8873
8d9d7cfc
MC		 8874 sblk = tnapi->hw_status;
8875
49a359e3 8876 if (tg3_flag(tp, ENABLE_RSS)) {
86449944 8877 u16 *prodptr = NULL;
8fea32b9 8878
49a359e3
MC		 8879 /*
8880 * When RSS is enabled, the status block format changes
8881 * slightly. The "rx_jumbo_consumer", "reserved",
8882 * and "rx_mini_consumer" members get mapped to the
8883 * other three rx return ring producer indexes.
8884 */
8885 switch (i) {
8886 case 1:
8887 prodptr = &sblk->idx[0].rx_producer;
8888 break;
8889 case 2:
8890 prodptr = &sblk->rx_jumbo_consumer;
8891 break;
8892 case 3:
8893 prodptr = &sblk->reserved;
8894 break;
8895 case 4:
8896 prodptr = &sblk->rx_mini_consumer;
f891ea16
MC		 8897 break;
8898 }
49a359e3
MC		 8899 tnapi->rx_rcb_prod_idx = prodptr;
8900 } else {
8d9d7cfc 8901 tnapi->rx_rcb_prod_idx = &sblk->idx[0].rx_producer;
8d9d7cfc 8902 }
f77a6a8e 8903 }
1da177e4 8904
49a359e3
MC		 8905 if (tg3_mem_tx_acquire(tp) || tg3_mem_rx_acquire(tp))
8906 goto err_out;
8907
1da177e4
LT		 8908 return 0;
8909
8910err_out:
8911 tg3_free_consistent(tp);
8912 return -ENOMEM;
8913}
8914
8915#define MAX_WAIT_CNT 1000
8916
8917/* To stop a block, clear the enable bit and poll till it
8918 * clears. tp->lock is held.
8919 */
953c96e0 8920static int tg3_stop_block(struct tg3 *tp, unsigned long ofs, u32 enable_bit, bool silent)
1da177e4
LT		 8921{
8922 unsigned int i;
8923 u32 val;
8924
63c3a66f 8925 if (tg3_flag(tp, 5705_PLUS)) {
1da177e4
LT		 8926 switch (ofs) {
8927 case RCVLSC_MODE:
8928 case DMAC_MODE:
8929 case MBFREE_MODE:
8930 case BUFMGR_MODE:
8931 case MEMARB_MODE:
8932 /* We can't enable/disable these bits of the
8933 * 5705/5750, just say success.
8934 */
8935 return 0;
8936
8937 default:
8938 break;
855e1111 8939 }
1da177e4
LT		 8940 }
8941
8942 val = tr32(ofs);
8943 val &= ~enable_bit;
8944 tw32_f(ofs, val);
8945
8946 for (i = 0; i < MAX_WAIT_CNT; i++) {
6d446ec3
GS		 8947 if (pci_channel_offline(tp->pdev)) {
8948 dev_err(&tp->pdev->dev,
8949 "tg3_stop_block device offline, "
8950 "ofs=%lx enable_bit=%x\n",
8951 ofs, enable_bit);
8952 return -ENODEV;
8953 }
8954
1da177e4
LT		 8955 udelay(100);
8956 val = tr32(ofs);
8957 if ((val & enable_bit) == 0)
8958 break;
8959 }
8960
b3b7d6be 8961 if (i == MAX_WAIT_CNT && !silent) {
2445e461
MC		 8962 dev_err(&tp->pdev->dev,
8963 "tg3_stop_block timed out, ofs=%lx enable_bit=%x\n",
8964 ofs, enable_bit);
1da177e4
LT		 8965 return -ENODEV;
8966 }
8967
8968 return 0;
8969}
8970
8971/* tp->lock is held. */
953c96e0 8972static int tg3_abort_hw(struct tg3 *tp, bool silent)
1da177e4
LT		 8973{
8974 int i, err;
8975
8976 tg3_disable_ints(tp);
8977
6d446ec3
GS		 8978 if (pci_channel_offline(tp->pdev)) {
8979 tp->rx_mode &= ~(RX_MODE_ENABLE | TX_MODE_ENABLE);
8980 tp->mac_mode &= ~MAC_MODE_TDE_ENABLE;
8981 err = -ENODEV;
8982 goto err_no_dev;
8983 }
8984
1da177e4
LT		 8985 tp->rx_mode &= ~RX_MODE_ENABLE;
8986 tw32_f(MAC_RX_MODE, tp->rx_mode);
8987 udelay(10);
8988
b3b7d6be
DM		 8989 err = tg3_stop_block(tp, RCVBDI_MODE, RCVBDI_MODE_ENABLE, silent);
8990 err |= tg3_stop_block(tp, RCVLPC_MODE, RCVLPC_MODE_ENABLE, silent);
8991 err |= tg3_stop_block(tp, RCVLSC_MODE, RCVLSC_MODE_ENABLE, silent);
8992 err |= tg3_stop_block(tp, RCVDBDI_MODE, RCVDBDI_MODE_ENABLE, silent);
8993 err |= tg3_stop_block(tp, RCVDCC_MODE, RCVDCC_MODE_ENABLE, silent);
8994 err |= tg3_stop_block(tp, RCVCC_MODE, RCVCC_MODE_ENABLE, silent);
8995
8996 err |= tg3_stop_block(tp, SNDBDS_MODE, SNDBDS_MODE_ENABLE, silent);
8997 err |= tg3_stop_block(tp, SNDBDI_MODE, SNDBDI_MODE_ENABLE, silent);
8998 err |= tg3_stop_block(tp, SNDDATAI_MODE, SNDDATAI_MODE_ENABLE, silent);
8999 err |= tg3_stop_block(tp, RDMAC_MODE, RDMAC_MODE_ENABLE, silent);
9000 err |= tg3_stop_block(tp, SNDDATAC_MODE, SNDDATAC_MODE_ENABLE, silent);
9001 err |= tg3_stop_block(tp, DMAC_MODE, DMAC_MODE_ENABLE, silent);
9002 err |= tg3_stop_block(tp, SNDBDC_MODE, SNDBDC_MODE_ENABLE, silent);
1da177e4
LT		 9003
9004 tp->mac_mode &= ~MAC_MODE_TDE_ENABLE;
9005 tw32_f(MAC_MODE, tp->mac_mode);
9006 udelay(40);
9007
9008 tp->tx_mode &= ~TX_MODE_ENABLE;
9009 tw32_f(MAC_TX_MODE, tp->tx_mode);
9010
9011 for (i = 0; i < MAX_WAIT_CNT; i++) {
9012 udelay(100);
9013 if (!(tr32(MAC_TX_MODE) & TX_MODE_ENABLE))
9014 break;
9015 }
9016 if (i >= MAX_WAIT_CNT) {
ab96b241
MC		 9017 dev_err(&tp->pdev->dev,
9018 "%s timed out, TX_MODE_ENABLE will not clear "
9019 "MAC_TX_MODE=%08x\n", __func__, tr32(MAC_TX_MODE));
e6de8ad1 9020 err |= -ENODEV;
1da177e4
LT		 9021 }
9022
e6de8ad1 9023 err |= tg3_stop_block(tp, HOSTCC_MODE, HOSTCC_MODE_ENABLE, silent);
b3b7d6be
DM		 9024 err |= tg3_stop_block(tp, WDMAC_MODE, WDMAC_MODE_ENABLE, silent);
9025 err |= tg3_stop_block(tp, MBFREE_MODE, MBFREE_MODE_ENABLE, silent);
1da177e4
LT		 9026
9027 tw32(FTQ_RESET, 0xffffffff);
9028 tw32(FTQ_RESET, 0x00000000);
9029
b3b7d6be
DM		 9030 err |= tg3_stop_block(tp, BUFMGR_MODE, BUFMGR_MODE_ENABLE, silent);
9031 err |= tg3_stop_block(tp, MEMARB_MODE, MEMARB_MODE_ENABLE, silent);
1da177e4 9032
6d446ec3 9033err_no_dev:
f77a6a8e
MC		 9034 for (i = 0; i < tp->irq_cnt; i++) {
9035 struct tg3_napi *tnapi = &tp->napi[i];
9036 if (tnapi->hw_status)
9037 memset(tnapi->hw_status, 0, TG3_HW_STATUS_SIZE);
9038 }
1da177e4 9039
1da177e4
LT		 9040 return err;
9041}
9042
ee6a99b5
MC		 9043/* Save PCI command register before chip reset */
9044static void tg3_save_pci_state(struct tg3 *tp)
9045{
8a6eac90 9046 pci_read_config_word(tp->pdev, PCI_COMMAND, &tp->pci_cmd);
ee6a99b5
MC		 9047}
9048
9049/* Restore PCI state after chip reset */
9050static void tg3_restore_pci_state(struct tg3 *tp)
9051{
9052 u32 val;
9053
9054 /* Re-enable indirect register accesses. */
9055 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
9056 tp->misc_host_ctrl);
9057
9058 /* Set MAX PCI retry to zero. */
9059 val = (PCISTATE_ROM_ENABLE | PCISTATE_ROM_RETRY_ENABLE);
4153577a 9060 if (tg3_chip_rev_id(tp) == CHIPREV_ID_5704_A0 &&
63c3a66f 9061 tg3_flag(tp, PCIX_MODE))
ee6a99b5 9062 val |= PCISTATE_RETRY_SAME_DMA;
0d3031d9 9063 /* Allow reads and writes to the APE register and memory space. */
63c3a66f 9064 if (tg3_flag(tp, ENABLE_APE))
0d3031d9 9065 val |= PCISTATE_ALLOW_APE_CTLSPC_WR |
f92d9dc1
MC		 9066 PCISTATE_ALLOW_APE_SHMEM_WR |
9067 PCISTATE_ALLOW_APE_PSPACE_WR;
ee6a99b5
MC		 9068 pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, val);
9069
8a6eac90 9070 pci_write_config_word(tp->pdev, PCI_COMMAND, tp->pci_cmd);
ee6a99b5 9071
2c55a3d0
MC		 9072 if (!tg3_flag(tp, PCI_EXPRESS)) {
9073 pci_write_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE,
9074 tp->pci_cacheline_sz);
9075 pci_write_config_byte(tp->pdev, PCI_LATENCY_TIMER,
9076 tp->pci_lat_timer);
114342f2 9077 }
5f5c51e3 9078
ee6a99b5 9079 /* Make sure PCI-X relaxed ordering bit is clear. */
63c3a66f 9080 if (tg3_flag(tp, PCIX_MODE)) {
9974a356
MC		 9081 u16 pcix_cmd;
9082
9083 pci_read_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
9084 &pcix_cmd);
9085 pcix_cmd &= ~PCI_X_CMD_ERO;
9086 pci_write_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
9087 pcix_cmd);
9088 }
ee6a99b5 9089
63c3a66f 9090 if (tg3_flag(tp, 5780_CLASS)) {
ee6a99b5
MC		 9091
9092 /* Chip reset on 5780 will reset MSI enable bit,
9093 * so need to restore it.
9094 */
63c3a66f 9095 if (tg3_flag(tp, USING_MSI)) {
ee6a99b5
MC		 9096 u16 ctrl;
9097
9098 pci_read_config_word(tp->pdev,
9099 tp->msi_cap + PCI_MSI_FLAGS,
9100 &ctrl);
9101 pci_write_config_word(tp->pdev,
9102 tp->msi_cap + PCI_MSI_FLAGS,
9103 ctrl | PCI_MSI_FLAGS_ENABLE);
9104 val = tr32(MSGINT_MODE);
9105 tw32(MSGINT_MODE, val | MSGINT_MODE_ENABLE);
9106 }
9107 }
9108}
9109
f82995b6
NS		 9110static void tg3_override_clk(struct tg3 *tp)
9111{
9112 u32 val;
9113
9114 switch (tg3_asic_rev(tp)) {
9115 case ASIC_REV_5717:
9116 val = tr32(TG3_CPMU_CLCK_ORIDE_ENABLE);
9117 tw32(TG3_CPMU_CLCK_ORIDE_ENABLE, val |
9118 TG3_CPMU_MAC_ORIDE_ENABLE);
9119 break;
9120
9121 case ASIC_REV_5719:
9122 case ASIC_REV_5720:
9123 tw32(TG3_CPMU_CLCK_ORIDE, CPMU_CLCK_ORIDE_MAC_ORIDE_EN);
9124 break;
9125
9126 default:
9127 return;
9128 }
9129}
9130
9131static void tg3_restore_clk(struct tg3 *tp)
9132{
9133 u32 val;
9134
9135 switch (tg3_asic_rev(tp)) {
9136 case ASIC_REV_5717:
9137 val = tr32(TG3_CPMU_CLCK_ORIDE_ENABLE);
9138 tw32(TG3_CPMU_CLCK_ORIDE_ENABLE,
9139 val & ~TG3_CPMU_MAC_ORIDE_ENABLE);
9140 break;
9141
9142 case ASIC_REV_5719:
9143 case ASIC_REV_5720:
9144 val = tr32(TG3_CPMU_CLCK_ORIDE);
9145 tw32(TG3_CPMU_CLCK_ORIDE, val & ~CPMU_CLCK_ORIDE_MAC_ORIDE_EN);
9146 break;
9147
9148 default:
9149 return;
9150 }
9151}
9152
1da177e4
LT		 9153/* tp->lock is held. */
9154static int tg3_chip_reset(struct tg3 *tp)
932f19de
PS		 9155 __releases(tp->lock)
9156 __acquires(tp->lock)
1da177e4
LT		 9157{
9158 u32 val;
1ee582d8 9159 void (*write_op)(struct tg3 *, u32, u32);
4f125f42 9160 int i, err;
1da177e4 9161
8496e85c
RW		 9162 if (!pci_device_is_present(tp->pdev))
9163 return -ENODEV;
9164
f49639e6
DM		 9165 tg3_nvram_lock(tp);
9166
77b483f1
MC		 9167 tg3_ape_lock(tp, TG3_APE_LOCK_GRC);
9168
f49639e6
DM		 9169 /* No matching tg3_nvram_unlock() after this because
9170 * chip reset below will undo the nvram lock.
9171 */
9172 tp->nvram_lock_cnt = 0;
1da177e4 9173
ee6a99b5
MC		 9174 /* GRC_MISC_CFG core clock reset will clear the memory
9175 * enable bit in PCI register 4 and the MSI enable bit
9176 * on some chips, so we save relevant registers here.
9177 */
9178 tg3_save_pci_state(tp);
9179
4153577a 9180 if (tg3_asic_rev(tp) == ASIC_REV_5752 ||
63c3a66f 9181 tg3_flag(tp, 5755_PLUS))
d9ab5ad1
MC		 9182 tw32(GRC_FASTBOOT_PC, 0);
9183
1da177e4
LT		 9184 /*
9185 * We must avoid the readl() that normally takes place.
9186 * It locks machines, causes machine checks, and other
9187 * fun things. So, temporarily disable the 5701
9188 * hardware workaround, while we do the reset.
9189 */
1ee582d8
MC		 9190 write_op = tp->write32;
9191 if (write_op == tg3_write_flush_reg32)
9192 tp->write32 = tg3_write32;
1da177e4 9193
d18edcb2
MC		 9194 /* Prevent the irq handler from reading or writing PCI registers
9195 * during chip reset when the memory enable bit in the PCI command
9196 * register may be cleared. The chip does not generate interrupt
9197 * at this time, but the irq handler may still be called due to irq
9198 * sharing or irqpoll.
9199 */
63c3a66f 9200 tg3_flag_set(tp, CHIP_RESETTING);
f77a6a8e
MC		 9201 for (i = 0; i < tp->irq_cnt; i++) {
9202 struct tg3_napi *tnapi = &tp->napi[i];
9203 if (tnapi->hw_status) {
9204 tnapi->hw_status->status = 0;
9205 tnapi->hw_status->status_tag = 0;
9206 }
9207 tnapi->last_tag = 0;
9208 tnapi->last_irq_tag = 0;
b8fa2f3a 9209 }
d18edcb2 9210 smp_mb();
4f125f42 9211
932f19de
PS		 9212 tg3_full_unlock(tp);
9213
4f125f42
MC		 9214 for (i = 0; i < tp->irq_cnt; i++)
9215 synchronize_irq(tp->napi[i].irq_vec);
d18edcb2 9216
932f19de
PS		 9217 tg3_full_lock(tp, 0);
9218
4153577a 9219 if (tg3_asic_rev(tp) == ASIC_REV_57780) {
255ca311
MC		 9220 val = tr32(TG3_PCIE_LNKCTL) & ~TG3_PCIE_LNKCTL_L1_PLL_PD_EN;
9221 tw32(TG3_PCIE_LNKCTL, val | TG3_PCIE_LNKCTL_L1_PLL_PD_DIS);
9222 }
9223
1da177e4
LT		 9224 /* do the reset */
9225 val = GRC_MISC_CFG_CORECLK_RESET;
9226
63c3a66f 9227 if (tg3_flag(tp, PCI_EXPRESS)) {
88075d91 9228 /* Force PCIe 1.0a mode */
4153577a 9229 if (tg3_asic_rev(tp) != ASIC_REV_5785 &&
63c3a66f 9230 !tg3_flag(tp, 57765_PLUS) &&
88075d91
MC		 9231 tr32(TG3_PCIE_PHY_TSTCTL) ==
9232 (TG3_PCIE_PHY_TSTCTL_PCIE10 | TG3_PCIE_PHY_TSTCTL_PSCRAM))
9233 tw32(TG3_PCIE_PHY_TSTCTL, TG3_PCIE_PHY_TSTCTL_PSCRAM);
9234
4153577a 9235 if (tg3_chip_rev_id(tp) != CHIPREV_ID_5750_A0) {
1da177e4
LT		 9236 tw32(GRC_MISC_CFG, (1 << 29));
9237 val |= (1 << 29);
9238 }
9239 }
9240
4153577a 9241 if (tg3_asic_rev(tp) == ASIC_REV_5906) {
b5d3772c
MC		 9242 tw32(VCPU_STATUS, tr32(VCPU_STATUS) | VCPU_STATUS_DRV_RESET);
9243 tw32(GRC_VCPU_EXT_CTRL,
9244 tr32(GRC_VCPU_EXT_CTRL) & ~GRC_VCPU_EXT_CTRL_HALT_CPU);
9245 }
9246
f82995b6
NS		 9247 /* Set the clock to the highest frequency to avoid timeouts. With link
9248 * aware mode, the clock speed could be slow and bootcode does not
9249 * complete within the expected time. Override the clock to allow the
9250 * bootcode to finish sooner and then restore it.
9251 */
9252 tg3_override_clk(tp);
9253
f37500d3 9254 /* Manage gphy power for all CPMU absent PCIe devices. */
63c3a66f 9255 if (tg3_flag(tp, 5705_PLUS) && !tg3_flag(tp, CPMU_PRESENT))
1da177e4 9256 val |= GRC_MISC_CFG_KEEP_GPHY_POWER;
f37500d3 9257
1da177e4
LT		 9258 tw32(GRC_MISC_CFG, val);
9259
1ee582d8
MC		 9260 /* restore 5701 hardware bug workaround write method */
9261 tp->write32 = write_op;
1da177e4
LT		 9262
9263 /* Unfortunately, we have to delay before the PCI read back.
9264 * Some 575X chips even will not respond to a PCI cfg access
9265 * when the reset command is given to the chip.
9266 *
9267 * How do these hardware designers expect things to work
9268 * properly if the PCI write is posted for a long period
9269 * of time? It is always necessary to have some method by
9270 * which a register read back can occur to push the write
9271 * out which does the reset.
9272 *
9273 * For most tg3 variants the trick below was working.
9274 * Ho hum...
9275 */
9276 udelay(120);
9277
9278 /* Flush PCI posted writes. The normal MMIO registers
9279 * are inaccessible at this time so this is the only
9280 * way to make this reliably (actually, this is no longer
9281 * the case, see above). I tried to use indirect
9282 * register read/write but this upset some 5701 variants.
9283 */
9284 pci_read_config_dword(tp->pdev, PCI_COMMAND, &val);
9285
9286 udelay(120);
9287
0f49bfbd 9288 if (tg3_flag(tp, PCI_EXPRESS) && pci_is_pcie(tp->pdev)) {
e7126997
MC		 9289 u16 val16;
9290
4153577a 9291 if (tg3_chip_rev_id(tp) == CHIPREV_ID_5750_A0) {
86449944 9292 int j;
1da177e4
LT		 9293 u32 cfg_val;
9294
9295 /* Wait for link training to complete. */
86449944 9296 for (j = 0; j < 5000; j++)
1da177e4
LT		 9297 udelay(100);
9298
9299 pci_read_config_dword(tp->pdev, 0xc4, &cfg_val);
9300 pci_write_config_dword(tp->pdev, 0xc4,
9301 cfg_val | (1 << 15));
9302 }
5e7dfd0f 9303
e7126997 9304 /* Clear the "no snoop" and "relaxed ordering" bits. */
0f49bfbd 9305 val16 = PCI_EXP_DEVCTL_RELAX_EN | PCI_EXP_DEVCTL_NOSNOOP_EN;
e7126997
MC		 9306 /*
9307 * Older PCIe devices only support the 128 byte
9308 * MPS setting. Enforce the restriction.
5e7dfd0f 9309 */
63c3a66f 9310 if (!tg3_flag(tp, CPMU_PRESENT))
0f49bfbd
JL		 9311 val16 |= PCI_EXP_DEVCTL_PAYLOAD;
9312 pcie_capability_clear_word(tp->pdev, PCI_EXP_DEVCTL, val16);
5e7dfd0f 9313
5e7dfd0f 9314 /* Clear error status */
0f49bfbd 9315 pcie_capability_write_word(tp->pdev, PCI_EXP_DEVSTA,
5e7dfd0f
MC		 9316 PCI_EXP_DEVSTA_CED |
9317 PCI_EXP_DEVSTA_NFED |
9318 PCI_EXP_DEVSTA_FED |
9319 PCI_EXP_DEVSTA_URD);
1da177e4
LT		 9320 }
9321
ee6a99b5 9322 tg3_restore_pci_state(tp);
1da177e4 9323
63c3a66f
JP		 9324 tg3_flag_clear(tp, CHIP_RESETTING);
9325 tg3_flag_clear(tp, ERROR_PROCESSED);
d18edcb2 9326
ee6a99b5 9327 val = 0;
63c3a66f 9328 if (tg3_flag(tp, 5780_CLASS))
4cf78e4f 9329 val = tr32(MEMARB_MODE);
ee6a99b5 9330 tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE);
1da177e4 9331
4153577a 9332 if (tg3_chip_rev_id(tp) == CHIPREV_ID_5750_A3) {
1da177e4
LT		 9333 tg3_stop_fw(tp);
9334 tw32(0x5000, 0x400);
9335 }
9336
7e6c63f0
HM		 9337 if (tg3_flag(tp, IS_SSB_CORE)) {
9338 /*
9339 * BCM4785: In order to avoid repercussions from using
9340 * potentially defective internal ROM, stop the Rx RISC CPU,
9341 * which is not required.
9342 */
9343 tg3_stop_fw(tp);
9344 tg3_halt_cpu(tp, RX_CPU_BASE);
9345 }
9346
fb03a43f
NS		 9347 err = tg3_poll_fw(tp);
9348 if (err)
9349 return err;
9350
1da177e4
LT		 9351 tw32(GRC_MODE, tp->grc_mode);
9352
4153577a 9353 if (tg3_chip_rev_id(tp) == CHIPREV_ID_5705_A0) {
ab0049b4 9354 val = tr32(0xc4);
1da177e4
LT		 9355
9356 tw32(0xc4, val | (1 << 15));
9357 }
9358
9359 if ((tp->nic_sram_data_cfg & NIC_SRAM_DATA_CFG_MINI_PCI) != 0 &&
4153577a 9360 tg3_asic_rev(tp) == ASIC_REV_5705) {
1da177e4 9361 tp->pci_clock_ctrl |= CLOCK_CTRL_CLKRUN_OENABLE;
4153577a 9362 if (tg3_chip_rev_id(tp) == CHIPREV_ID_5705_A0)
1da177e4
LT		 9363 tp->pci_clock_ctrl |= CLOCK_CTRL_FORCE_CLKRUN;
9364 tw32(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
9365 }
9366
f07e9af3 9367 if (tp->phy_flags & TG3_PHYFLG_PHY_SERDES) {
9e975cc2 9368 tp->mac_mode = MAC_MODE_PORT_MODE_TBI;
d2394e6b 9369 val = tp->mac_mode;
f07e9af3 9370 } else if (tp->phy_flags & TG3_PHYFLG_MII_SERDES) {
9e975cc2 9371 tp->mac_mode = MAC_MODE_PORT_MODE_GMII;
d2394e6b 9372 val = tp->mac_mode;
1da177e4 9373 } else
d2394e6b
MC		 9374 val = 0;
9375
9376 tw32_f(MAC_MODE, val);
1da177e4
LT		 9377 udelay(40);
9378
77b483f1
MC		 9379 tg3_ape_unlock(tp, TG3_APE_LOCK_GRC);
9380
0a9140cf
MC		 9381 tg3_mdio_start(tp);
9382
63c3a66f 9383 if (tg3_flag(tp, PCI_EXPRESS) &&
4153577a
JP		 9384 tg3_chip_rev_id(tp) != CHIPREV_ID_5750_A0 &&
9385 tg3_asic_rev(tp) != ASIC_REV_5785 &&
63c3a66f 9386 !tg3_flag(tp, 57765_PLUS)) {
ab0049b4 9387 val = tr32(0x7c00);
1da177e4
LT		 9388
9389 tw32(0x7c00, val | (1 << 25));
9390 }
9391
f82995b6 9392 tg3_restore_clk(tp);
d78b59f5 9393
3a498606
SB		 9394 /* Increase the core clock speed to fix tx timeout issue for 5762
9395 * with 100Mbps link speed.
9396 */
9397 if (tg3_asic_rev(tp) == ASIC_REV_5762) {
9398 val = tr32(TG3_CPMU_CLCK_ORIDE_ENABLE);
9399 tw32(TG3_CPMU_CLCK_ORIDE_ENABLE, val |
9400 TG3_CPMU_MAC_ORIDE_ENABLE);
9401 }
9402
1da177e4 9403 /* Reprobe ASF enable state. */
63c3a66f 9404 tg3_flag_clear(tp, ENABLE_ASF);
942d1af0
NS		 9405 tp->phy_flags &= ~(TG3_PHYFLG_1G_ON_VAUX_OK |
9406 TG3_PHYFLG_KEEP_LINK_ON_PWRDN);
9407
63c3a66f 9408 tg3_flag_clear(tp, ASF_NEW_HANDSHAKE);
1da177e4
LT		 9409 tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
9410 if (val == NIC_SRAM_DATA_SIG_MAGIC) {
9411 u32 nic_cfg;
9412
9413 tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
9414 if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
63c3a66f 9415 tg3_flag_set(tp, ENABLE_ASF);
4ba526ce 9416 tp->last_event_jiffies = jiffies;
63c3a66f
JP		 9417 if (tg3_flag(tp, 5750_PLUS))
9418 tg3_flag_set(tp, ASF_NEW_HANDSHAKE);
942d1af0
NS		 9419
9420 tg3_read_mem(tp, NIC_SRAM_DATA_CFG_3, &nic_cfg);
9421 if (nic_cfg & NIC_SRAM_1G_ON_VAUX_OK)
9422 tp->phy_flags |= TG3_PHYFLG_1G_ON_VAUX_OK;
9423 if (nic_cfg & NIC_SRAM_LNK_FLAP_AVOID)
9424 tp->phy_flags |= TG3_PHYFLG_KEEP_LINK_ON_PWRDN;
1da177e4
LT		 9425 }
9426 }
9427
9428 return 0;
9429}
9430
65ec698d
MC		 9431static void tg3_get_nstats(struct tg3 *, struct rtnl_link_stats64 *);
9432static void tg3_get_estats(struct tg3 *, struct tg3_ethtool_stats *);
e565eec3 9433static void __tg3_set_rx_mode(struct net_device *);
92feeabf 9434
1da177e4 9435/* tp->lock is held. */
953c96e0 9436static int tg3_halt(struct tg3 *tp, int kind, bool silent)
1da177e4 9437{
907d1bdb 9438 int err, i;
1da177e4
LT		 9439
9440 tg3_stop_fw(tp);
9441
944d980e 9442 tg3_write_sig_pre_reset(tp, kind);
1da177e4 9443
b3b7d6be 9444 tg3_abort_hw(tp, silent);
1da177e4
LT		 9445 err = tg3_chip_reset(tp);
9446
953c96e0 9447 __tg3_set_mac_addr(tp, false);
daba2a63 9448
944d980e
MC		 9449 tg3_write_sig_legacy(tp, kind);
9450 tg3_write_sig_post_reset(tp, kind);
1da177e4 9451
92feeabf
MC		 9452 if (tp->hw_stats) {
9453 /* Save the stats across chip resets... */
b4017c53 9454 tg3_get_nstats(tp, &tp->net_stats_prev);
92feeabf
MC		 9455 tg3_get_estats(tp, &tp->estats_prev);
9456
9457 /* And make sure the next sample is new data */
9458 memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
907d1bdb
AP		 9459
9460 for (i = 0; i < TG3_IRQ_MAX_VECS; ++i) {
9461 struct tg3_napi *tnapi = &tp->napi[i];
9462
9463 tnapi->rx_dropped = 0;
9464 tnapi->tx_dropped = 0;
9465 }
92feeabf
MC		 9466 }
9467
4bc814ab 9468 return err;
1da177e4
LT		 9469}
9470
1da177e4
LT		 9471static int tg3_set_mac_addr(struct net_device *dev, void *p)
9472{
9473 struct tg3 *tp = netdev_priv(dev);
9474 struct sockaddr *addr = p;
953c96e0
JP		 9475 int err = 0;
9476 bool skip_mac_1 = false;
1da177e4 9477
f9804ddb 9478 if (!is_valid_ether_addr(addr->sa_data))
504f9b5a 9479 return -EADDRNOTAVAIL;
f9804ddb 9480
a05e4c0a 9481 eth_hw_addr_set(dev, addr->sa_data);
1da177e4 9482
e75f7c90
MC		 9483 if (!netif_running(dev))
9484 return 0;
9485
63c3a66f 9486 if (tg3_flag(tp, ENABLE_ASF)) {
986e0aeb 9487 u32 addr0_high, addr0_low, addr1_high, addr1_low;
58712ef9 9488
986e0aeb
MC		 9489 addr0_high = tr32(MAC_ADDR_0_HIGH);
9490 addr0_low = tr32(MAC_ADDR_0_LOW);
9491 addr1_high = tr32(MAC_ADDR_1_HIGH);
9492 addr1_low = tr32(MAC_ADDR_1_LOW);
9493
9494 /* Skip MAC addr 1 if ASF is using it. */
9495 if ((addr0_high != addr1_high || addr0_low != addr1_low) &&
9496 !(addr1_high == 0 && addr1_low == 0))
953c96e0 9497 skip_mac_1 = true;
58712ef9 9498 }
986e0aeb
MC		 9499 spin_lock_bh(&tp->lock);
9500 __tg3_set_mac_addr(tp, skip_mac_1);
e565eec3 9501 __tg3_set_rx_mode(dev);
986e0aeb 9502 spin_unlock_bh(&tp->lock);
1da177e4 9503
b9ec6c1b 9504 return err;
1da177e4
LT		 9505}
9506
9507/* tp->lock is held. */
9508static void tg3_set_bdinfo(struct tg3 *tp, u32 bdinfo_addr,
9509 dma_addr_t mapping, u32 maxlen_flags,
9510 u32 nic_addr)
9511{
9512 tg3_write_mem(tp,
9513 (bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH),
9514 ((u64) mapping >> 32));
9515 tg3_write_mem(tp,
9516 (bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW),
9517 ((u64) mapping & 0xffffffff));
9518 tg3_write_mem(tp,
9519 (bdinfo_addr + TG3_BDINFO_MAXLEN_FLAGS),
9520 maxlen_flags);
9521
63c3a66f 9522 if (!tg3_flag(tp, 5705_PLUS))
1da177e4
LT		 9523 tg3_write_mem(tp,
9524 (bdinfo_addr + TG3_BDINFO_NIC_ADDR),
9525 nic_addr);
9526}
9527
a489b6d9
MC		 9528
9529static void tg3_coal_tx_init(struct tg3 *tp, struct ethtool_coalesce *ec)
15f9850d 9530{
a489b6d9 9531 int i = 0;
b6080e12 9532
63c3a66f 9533 if (!tg3_flag(tp, ENABLE_TSS)) {
b6080e12
MC		 9534 tw32(HOSTCC_TXCOL_TICKS, ec->tx_coalesce_usecs);
9535 tw32(HOSTCC_TXMAX_FRAMES, ec->tx_max_coalesced_frames);
9536 tw32(HOSTCC_TXCOAL_MAXF_INT, ec->tx_max_coalesced_frames_irq);
b6080e12
MC		 9537 } else {
9538 tw32(HOSTCC_TXCOL_TICKS, 0);
9539 tw32(HOSTCC_TXMAX_FRAMES, 0);
9540 tw32(HOSTCC_TXCOAL_MAXF_INT, 0);
a489b6d9
MC		 9541
9542 for (; i < tp->txq_cnt; i++) {
9543 u32 reg;
9544
9545 reg = HOSTCC_TXCOL_TICKS_VEC1 + i * 0x18;
9546 tw32(reg, ec->tx_coalesce_usecs);
9547 reg = HOSTCC_TXMAX_FRAMES_VEC1 + i * 0x18;
9548 tw32(reg, ec->tx_max_coalesced_frames);
9549 reg = HOSTCC_TXCOAL_MAXF_INT_VEC1 + i * 0x18;
9550 tw32(reg, ec->tx_max_coalesced_frames_irq);
9551 }
19cfaecc 9552 }
b6080e12 9553
a489b6d9
MC		 9554 for (; i < tp->irq_max - 1; i++) {
9555 tw32(HOSTCC_TXCOL_TICKS_VEC1 + i * 0x18, 0);
9556 tw32(HOSTCC_TXMAX_FRAMES_VEC1 + i * 0x18, 0);
9557 tw32(HOSTCC_TXCOAL_MAXF_INT_VEC1 + i * 0x18, 0);
9558 }
9559}
9560
9561static void tg3_coal_rx_init(struct tg3 *tp, struct ethtool_coalesce *ec)
9562{
9563 int i = 0;
9564 u32 limit = tp->rxq_cnt;
9565
63c3a66f 9566 if (!tg3_flag(tp, ENABLE_RSS)) {
19cfaecc
MC		 9567 tw32(HOSTCC_RXCOL_TICKS, ec->rx_coalesce_usecs);
9568 tw32(HOSTCC_RXMAX_FRAMES, ec->rx_max_coalesced_frames);
9569 tw32(HOSTCC_RXCOAL_MAXF_INT, ec->rx_max_coalesced_frames_irq);
a489b6d9 9570 limit--;
19cfaecc 9571 } else {
b6080e12
MC		 9572 tw32(HOSTCC_RXCOL_TICKS, 0);
9573 tw32(HOSTCC_RXMAX_FRAMES, 0);
9574 tw32(HOSTCC_RXCOAL_MAXF_INT, 0);
15f9850d 9575 }
b6080e12 9576
a489b6d9 9577 for (; i < limit; i++) {
b6080e12
MC		 9578 u32 reg;
9579
9580 reg = HOSTCC_RXCOL_TICKS_VEC1 + i * 0x18;
9581 tw32(reg, ec->rx_coalesce_usecs);
b6080e12
MC		 9582 reg = HOSTCC_RXMAX_FRAMES_VEC1 + i * 0x18;
9583 tw32(reg, ec->rx_max_coalesced_frames);
b6080e12
MC		 9584 reg = HOSTCC_RXCOAL_MAXF_INT_VEC1 + i * 0x18;
9585 tw32(reg, ec->rx_max_coalesced_frames_irq);
b6080e12
MC		 9586 }
9587
9588 for (; i < tp->irq_max - 1; i++) {
9589 tw32(HOSTCC_RXCOL_TICKS_VEC1 + i * 0x18, 0);
b6080e12 9590 tw32(HOSTCC_RXMAX_FRAMES_VEC1 + i * 0x18, 0);
b6080e12 9591 tw32(HOSTCC_RXCOAL_MAXF_INT_VEC1 + i * 0x18, 0);
a489b6d9
MC		 9592 }
9593}
19cfaecc 9594
a489b6d9
MC		 9595static void __tg3_set_coalesce(struct tg3 *tp, struct ethtool_coalesce *ec)
9596{
9597 tg3_coal_tx_init(tp, ec);
9598 tg3_coal_rx_init(tp, ec);
9599
9600 if (!tg3_flag(tp, 5705_PLUS)) {
9601 u32 val = ec->stats_block_coalesce_usecs;
9602
9603 tw32(HOSTCC_RXCOAL_TICK_INT, ec->rx_coalesce_usecs_irq);
9604 tw32(HOSTCC_TXCOAL_TICK_INT, ec->tx_coalesce_usecs_irq);
9605
f4a46d1f 9606 if (!tp->link_up)
a489b6d9
MC		 9607 val = 0;
9608
9609 tw32(HOSTCC_STAT_COAL_TICKS, val);
b6080e12 9610 }
15f9850d 9611}
1da177e4 9612
328947ff
NS		 9613/* tp->lock is held. */
9614static void tg3_tx_rcbs_disable(struct tg3 *tp)
9615{
9616 u32 txrcb, limit;
9617
9618 /* Disable all transmit rings but the first. */
9619 if (!tg3_flag(tp, 5705_PLUS))
9620 limit = NIC_SRAM_SEND_RCB + TG3_BDINFO_SIZE * 16;
9621 else if (tg3_flag(tp, 5717_PLUS))
9622 limit = NIC_SRAM_SEND_RCB + TG3_BDINFO_SIZE * 4;
9623 else if (tg3_flag(tp, 57765_CLASS) ||
9624 tg3_asic_rev(tp) == ASIC_REV_5762)
9625 limit = NIC_SRAM_SEND_RCB + TG3_BDINFO_SIZE * 2;
9626 else
9627 limit = NIC_SRAM_SEND_RCB + TG3_BDINFO_SIZE;
9628
9629 for (txrcb = NIC_SRAM_SEND_RCB + TG3_BDINFO_SIZE;
9630 txrcb < limit; txrcb += TG3_BDINFO_SIZE)
9631 tg3_write_mem(tp, txrcb + TG3_BDINFO_MAXLEN_FLAGS,
9632 BDINFO_FLAGS_DISABLED);
9633}
9634
32ba19ef
NS		 9635/* tp->lock is held. */
9636static void tg3_tx_rcbs_init(struct tg3 *tp)
9637{
9638 int i = 0;
9639 u32 txrcb = NIC_SRAM_SEND_RCB;
9640
9641 if (tg3_flag(tp, ENABLE_TSS))
9642 i++;
9643
9644 for (; i < tp->irq_max; i++, txrcb += TG3_BDINFO_SIZE) {
9645 struct tg3_napi *tnapi = &tp->napi[i];
9646
9647 if (!tnapi->tx_ring)
9648 continue;
9649
9650 tg3_set_bdinfo(tp, txrcb, tnapi->tx_desc_mapping,
9651 (TG3_TX_RING_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT),
9652 NIC_SRAM_TX_BUFFER_DESC);
9653 }
9654}
9655
328947ff
NS		 9656/* tp->lock is held. */
9657static void tg3_rx_ret_rcbs_disable(struct tg3 *tp)
9658{
9659 u32 rxrcb, limit;
9660
9661 /* Disable all receive return rings but the first. */
9662 if (tg3_flag(tp, 5717_PLUS))
9663 limit = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE * 17;
9664 else if (!tg3_flag(tp, 5705_PLUS))
9665 limit = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE * 16;
9666 else if (tg3_asic_rev(tp) == ASIC_REV_5755 ||
9667 tg3_asic_rev(tp) == ASIC_REV_5762 ||
9668 tg3_flag(tp, 57765_CLASS))
9669 limit = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE * 4;
9670 else
9671 limit = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE;
9672
9673 for (rxrcb = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE;
9674 rxrcb < limit; rxrcb += TG3_BDINFO_SIZE)
9675 tg3_write_mem(tp, rxrcb + TG3_BDINFO_MAXLEN_FLAGS,
9676 BDINFO_FLAGS_DISABLED);
9677}
9678
32ba19ef
NS		 9679/* tp->lock is held. */
9680static void tg3_rx_ret_rcbs_init(struct tg3 *tp)
9681{
9682 int i = 0;
9683 u32 rxrcb = NIC_SRAM_RCV_RET_RCB;
9684
9685 if (tg3_flag(tp, ENABLE_RSS))
9686 i++;
9687
9688 for (; i < tp->irq_max; i++, rxrcb += TG3_BDINFO_SIZE) {
9689 struct tg3_napi *tnapi = &tp->napi[i];
9690
9691 if (!tnapi->rx_rcb)
9692 continue;
9693
9694 tg3_set_bdinfo(tp, rxrcb, tnapi->rx_rcb_mapping,
9695 (tp->rx_ret_ring_mask + 1) <<
9696 BDINFO_FLAGS_MAXLEN_SHIFT, 0);
9697 }
9698}
9699
2d31ecaf
MC		 9700/* tp->lock is held. */
9701static void tg3_rings_reset(struct tg3 *tp)
9702{
9703 int i;
328947ff 9704 u32 stblk;
2d31ecaf
MC		 9705 struct tg3_napi *tnapi = &tp->napi[0];
9706
328947ff 9707 tg3_tx_rcbs_disable(tp);
2d31ecaf 9708
328947ff 9709 tg3_rx_ret_rcbs_disable(tp);
2d31ecaf
MC		 9710
9711 /* Disable interrupts */
9712 tw32_mailbox_f(tp->napi[0].int_mbox, 1);
0e6cf6a9
MC		 9713 tp->napi[0].chk_msi_cnt = 0;
9714 tp->napi[0].last_rx_cons = 0;
9715 tp->napi[0].last_tx_cons = 0;
2d31ecaf
MC		 9716
9717 /* Zero mailbox registers. */
63c3a66f 9718 if (tg3_flag(tp, SUPPORT_MSIX)) {
6fd45cb8 9719 for (i = 1; i < tp->irq_max; i++) {
f77a6a8e
MC		 9720 tp->napi[i].tx_prod = 0;
9721 tp->napi[i].tx_cons = 0;
63c3a66f 9722 if (tg3_flag(tp, ENABLE_TSS))
c2353a32 9723 tw32_mailbox(tp->napi[i].prodmbox, 0);
f77a6a8e
MC		 9724 tw32_rx_mbox(tp->napi[i].consmbox, 0);
9725 tw32_mailbox_f(tp->napi[i].int_mbox, 1);
7f230735 9726 tp->napi[i].chk_msi_cnt = 0;
0e6cf6a9
MC		 9727 tp->napi[i].last_rx_cons = 0;
9728 tp->napi[i].last_tx_cons = 0;
f77a6a8e 9729 }
63c3a66f 9730 if (!tg3_flag(tp, ENABLE_TSS))
c2353a32 9731 tw32_mailbox(tp->napi[0].prodmbox, 0);
f77a6a8e
MC		 9732 } else {
9733 tp->napi[0].tx_prod = 0;
9734 tp->napi[0].tx_cons = 0;
9735 tw32_mailbox(tp->napi[0].prodmbox, 0);
9736 tw32_rx_mbox(tp->napi[0].consmbox, 0);
9737 }
2d31ecaf
MC		 9738
9739 /* Make sure the NIC-based send BD rings are disabled. */
63c3a66f 9740 if (!tg3_flag(tp, 5705_PLUS)) {
2d31ecaf
MC		 9741 u32 mbox = MAILBOX_SNDNIC_PROD_IDX_0 + TG3_64BIT_REG_LOW;
9742 for (i = 0; i < 16; i++)
9743 tw32_tx_mbox(mbox + i * 8, 0);
9744 }
9745
2d31ecaf
MC		 9746 /* Clear status block in ram. */
9747 memset(tnapi->hw_status, 0, TG3_HW_STATUS_SIZE);
9748
9749 /* Set status block DMA address */
9750 tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
9751 ((u64) tnapi->status_mapping >> 32));
9752 tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
9753 ((u64) tnapi->status_mapping & 0xffffffff));
9754
f77a6a8e 9755 stblk = HOSTCC_STATBLCK_RING1;
2d31ecaf 9756
f77a6a8e
MC		 9757 for (i = 1, tnapi++; i < tp->irq_cnt; i++, tnapi++) {
9758 u64 mapping = (u64)tnapi->status_mapping;
9759 tw32(stblk + TG3_64BIT_REG_HIGH, mapping >> 32);
9760 tw32(stblk + TG3_64BIT_REG_LOW, mapping & 0xffffffff);
32ba19ef 9761 stblk += 8;
f77a6a8e
MC		 9762
9763 /* Clear status block in ram. */
9764 memset(tnapi->hw_status, 0, TG3_HW_STATUS_SIZE);
f77a6a8e 9765 }
32ba19ef
NS		 9766
9767 tg3_tx_rcbs_init(tp);
9768 tg3_rx_ret_rcbs_init(tp);
2d31ecaf
MC		 9769}
9770
eb07a940
MC		 9771static void tg3_setup_rxbd_thresholds(struct tg3 *tp)
9772{
9773 u32 val, bdcache_maxcnt, host_rep_thresh, nic_rep_thresh;
9774
63c3a66f
JP		 9775 if (!tg3_flag(tp, 5750_PLUS) ||
9776 tg3_flag(tp, 5780_CLASS) ||
4153577a
JP		 9777 tg3_asic_rev(tp) == ASIC_REV_5750 ||
9778 tg3_asic_rev(tp) == ASIC_REV_5752 ||
513aa6ea 9779 tg3_flag(tp, 57765_PLUS))
eb07a940 9780 bdcache_maxcnt = TG3_SRAM_RX_STD_BDCACHE_SIZE_5700;
4153577a
JP		 9781 else if (tg3_asic_rev(tp) == ASIC_REV_5755 ||
9782 tg3_asic_rev(tp) == ASIC_REV_5787)
eb07a940
MC		 9783 bdcache_maxcnt = TG3_SRAM_RX_STD_BDCACHE_SIZE_5755;
9784 else
9785 bdcache_maxcnt = TG3_SRAM_RX_STD_BDCACHE_SIZE_5906;
9786
9787 nic_rep_thresh = min(bdcache_maxcnt / 2, tp->rx_std_max_post);
9788 host_rep_thresh = max_t(u32, tp->rx_pending / 8, 1);
9789
9790 val = min(nic_rep_thresh, host_rep_thresh);
9791 tw32(RCVBDI_STD_THRESH, val);
9792
63c3a66f 9793 if (tg3_flag(tp, 57765_PLUS))
eb07a940
MC		 9794 tw32(STD_REPLENISH_LWM, bdcache_maxcnt);
9795
63c3a66f 9796 if (!tg3_flag(tp, JUMBO_CAPABLE) || tg3_flag(tp, 5780_CLASS))
eb07a940
MC		 9797 return;
9798
513aa6ea 9799 bdcache_maxcnt = TG3_SRAM_RX_JMB_BDCACHE_SIZE_5700;
eb07a940
MC		 9800
9801 host_rep_thresh = max_t(u32, tp->rx_jumbo_pending / 8, 1);
9802
9803 val = min(bdcache_maxcnt / 2, host_rep_thresh);
9804 tw32(RCVBDI_JUMBO_THRESH, val);
9805
63c3a66f 9806 if (tg3_flag(tp, 57765_PLUS))
eb07a940
MC		 9807 tw32(JMB_REPLENISH_LWM, bdcache_maxcnt);
9808}
9809
ccd5ba9d
MC		 9810static inline u32 calc_crc(unsigned char *buf, int len)
9811{
0aa4024b 9812 return ~crc32(~0, buf, len);
ccd5ba9d
MC		 9813}
9814
9815static void tg3_set_multi(struct tg3 *tp, unsigned int accept_all)
9816{
9817 /* accept or reject all multicast frames */
9818 tw32(MAC_HASH_REG_0, accept_all ? 0xffffffff : 0);
9819 tw32(MAC_HASH_REG_1, accept_all ? 0xffffffff : 0);
9820 tw32(MAC_HASH_REG_2, accept_all ? 0xffffffff : 0);
9821 tw32(MAC_HASH_REG_3, accept_all ? 0xffffffff : 0);
9822}
9823
9824static void __tg3_set_rx_mode(struct net_device *dev)
9825{
9826 struct tg3 *tp = netdev_priv(dev);
9827 u32 rx_mode;
9828
9829 rx_mode = tp->rx_mode & ~(RX_MODE_PROMISC |
9830 RX_MODE_KEEP_VLAN_TAG);
9831
9832#if !defined(CONFIG_VLAN_8021Q) && !defined(CONFIG_VLAN_8021Q_MODULE)
9833 /* When ASF is in use, we always keep the RX_MODE_KEEP_VLAN_TAG
9834 * flag clear.
9835 */
9836 if (!tg3_flag(tp, ENABLE_ASF))
9837 rx_mode |= RX_MODE_KEEP_VLAN_TAG;
9838#endif
9839
9840 if (dev->flags & IFF_PROMISC) {
9841 /* Promiscuous mode. */
9842 rx_mode |= RX_MODE_PROMISC;
9843 } else if (dev->flags & IFF_ALLMULTI) {
9844 /* Accept all multicast. */
9845 tg3_set_multi(tp, 1);
9846 } else if (netdev_mc_empty(dev)) {
9847 /* Reject all multicast. */
9848 tg3_set_multi(tp, 0);
9849 } else {
9850 /* Accept one or more multicast(s). */
9851 struct netdev_hw_addr *ha;
9852 u32 mc_filter[4] = { 0, };
9853 u32 regidx;
9854 u32 bit;
9855 u32 crc;
9856
9857 netdev_for_each_mc_addr(ha, dev) {
9858 crc = calc_crc(ha->addr, ETH_ALEN);
9859 bit = ~crc & 0x7f;
9860 regidx = (bit & 0x60) >> 5;
9861 bit &= 0x1f;
9862 mc_filter[regidx] |= (1 << bit);
9863 }
9864
9865 tw32(MAC_HASH_REG_0, mc_filter[0]);
9866 tw32(MAC_HASH_REG_1, mc_filter[1]);
9867 tw32(MAC_HASH_REG_2, mc_filter[2]);
9868 tw32(MAC_HASH_REG_3, mc_filter[3]);
9869 }
9870
e565eec3
MC		 9871 if (netdev_uc_count(dev) > TG3_MAX_UCAST_ADDR(tp)) {
9872 rx_mode |= RX_MODE_PROMISC;
9873 } else if (!(dev->flags & IFF_PROMISC)) {
9874 /* Add all entries into to the mac addr filter list */
9875 int i = 0;
9876 struct netdev_hw_addr *ha;
9877
9878 netdev_for_each_uc_addr(ha, dev) {
9879 __tg3_set_one_mac_addr(tp, ha->addr,
9880 i + TG3_UCAST_ADDR_IDX(tp));
9881 i++;
9882 }
9883 }
9884
ccd5ba9d
MC		 9885 if (rx_mode != tp->rx_mode) {
9886 tp->rx_mode = rx_mode;
9887 tw32_f(MAC_RX_MODE, rx_mode);
9888 udelay(10);
9889 }
9890}
9891
9102426a 9892static void tg3_rss_init_dflt_indir_tbl(struct tg3 *tp, u32 qcnt)
90415477
MC		 9893{
9894 int i;
9895
9896 for (i = 0; i < TG3_RSS_INDIR_TBL_SIZE; i++)
9102426a 9897 tp->rss_ind_tbl[i] = ethtool_rxfh_indir_default(i, qcnt);
90415477
MC		 9898}
9899
9900static void tg3_rss_check_indir_tbl(struct tg3 *tp)
bcebcc46
MC		 9901{
9902 int i;
9903
9904 if (!tg3_flag(tp, SUPPORT_MSIX))
9905 return;
9906
0b3ba055 9907 if (tp->rxq_cnt == 1) {
bcebcc46 9908 memset(&tp->rss_ind_tbl[0], 0, sizeof(tp->rss_ind_tbl));
90415477
MC		 9909 return;
9910 }
9911
9912 /* Validate table against current IRQ count */
9913 for (i = 0; i < TG3_RSS_INDIR_TBL_SIZE; i++) {
0b3ba055 9914 if (tp->rss_ind_tbl[i] >= tp->rxq_cnt)
90415477
MC		 9915 break;
9916 }
9917
9918 if (i != TG3_RSS_INDIR_TBL_SIZE)
9102426a 9919 tg3_rss_init_dflt_indir_tbl(tp, tp->rxq_cnt);
bcebcc46
MC		 9920}
9921
90415477 9922static void tg3_rss_write_indir_tbl(struct tg3 *tp)
bcebcc46
MC		 9923{
9924 int i = 0;
9925 u32 reg = MAC_RSS_INDIR_TBL_0;
9926
9927 while (i < TG3_RSS_INDIR_TBL_SIZE) {
9928 u32 val = tp->rss_ind_tbl[i];
9929 i++;
9930 for (; i % 8; i++) {
9931 val <<= 4;
9932 val |= tp->rss_ind_tbl[i];
9933 }
9934 tw32(reg, val);
9935 reg += 4;
9936 }
9937}
9938
9bc297ea
NS		 9939static inline u32 tg3_lso_rd_dma_workaround_bit(struct tg3 *tp)
9940{
9941 if (tg3_asic_rev(tp) == ASIC_REV_5719)
9942 return TG3_LSO_RD_DMA_TX_LENGTH_WA_5719;
9943 else
9944 return TG3_LSO_RD_DMA_TX_LENGTH_WA_5720;
9945}
9946
1da177e4 9947/* tp->lock is held. */
953c96e0 9948static int tg3_reset_hw(struct tg3 *tp, bool reset_phy)
1da177e4
LT		 9949{
9950 u32 val, rdmac_mode;
9951 int i, err, limit;
8fea32b9 9952 struct tg3_rx_prodring_set *tpr = &tp->napi[0].prodring;
1da177e4
LT		 9953
9954 tg3_disable_ints(tp);
9955
9956 tg3_stop_fw(tp);
9957
9958 tg3_write_sig_pre_reset(tp, RESET_KIND_INIT);
9959
63c3a66f 9960 if (tg3_flag(tp, INIT_COMPLETE))
e6de8ad1 9961 tg3_abort_hw(tp, 1);
1da177e4 9962
fdad8de4
NS		 9963 if ((tp->phy_flags & TG3_PHYFLG_KEEP_LINK_ON_PWRDN) &&
9964 !(tp->phy_flags & TG3_PHYFLG_USER_CONFIGURED)) {
9965 tg3_phy_pull_config(tp);
400dfbaa 9966 tg3_eee_pull_config(tp, NULL);
fdad8de4
NS		 9967 tp->phy_flags |= TG3_PHYFLG_USER_CONFIGURED;
9968 }
9969
400dfbaa
NS		 9970 /* Enable MAC control of LPI */
9971 if (tp->phy_flags & TG3_PHYFLG_EEE_CAP)
9972 tg3_setup_eee(tp);
9973
603f1173 9974 if (reset_phy)
d4d2c558
MC		 9975 tg3_phy_reset(tp);
9976
1da177e4
LT		 9977 err = tg3_chip_reset(tp);
9978 if (err)
9979 return err;
9980
9981 tg3_write_sig_legacy(tp, RESET_KIND_INIT);
9982
4153577a 9983 if (tg3_chip_rev(tp) == CHIPREV_5784_AX) {
d30cdd28
MC		 9984 val = tr32(TG3_CPMU_CTRL);
9985 val &= ~(CPMU_CTRL_LINK_AWARE_MODE | CPMU_CTRL_LINK_IDLE_MODE);
9986 tw32(TG3_CPMU_CTRL, val);
9acb961e
MC		 9987
9988 val = tr32(TG3_CPMU_LSPD_10MB_CLK);
9989 val &= ~CPMU_LSPD_10MB_MACCLK_MASK;
9990 val |= CPMU_LSPD_10MB_MACCLK_6_25;
9991 tw32(TG3_CPMU_LSPD_10MB_CLK, val);
9992
9993 val = tr32(TG3_CPMU_LNK_AWARE_PWRMD);
9994 val &= ~CPMU_LNK_AWARE_MACCLK_MASK;
9995 val |= CPMU_LNK_AWARE_MACCLK_6_25;
9996 tw32(TG3_CPMU_LNK_AWARE_PWRMD, val);
9997
9998 val = tr32(TG3_CPMU_HST_ACC);
9999 val &= ~CPMU_HST_ACC_MACCLK_MASK;
10000 val |= CPMU_HST_ACC_MACCLK_6_25;
10001 tw32(TG3_CPMU_HST_ACC, val);
d30cdd28
MC		 10002 }
10003
4153577a 10004 if (tg3_asic_rev(tp) == ASIC_REV_57780) {
33466d93
MC		 10005 val = tr32(PCIE_PWR_MGMT_THRESH) & ~PCIE_PWR_MGMT_L1_THRESH_MSK;
10006 val |= PCIE_PWR_MGMT_EXT_ASPM_TMR_EN |
10007 PCIE_PWR_MGMT_L1_THRESH_4MS;
10008 tw32(PCIE_PWR_MGMT_THRESH, val);
521e6b90
MC		 10009
10010 val = tr32(TG3_PCIE_EIDLE_DELAY) & ~TG3_PCIE_EIDLE_DELAY_MASK;
10011 tw32(TG3_PCIE_EIDLE_DELAY, val | TG3_PCIE_EIDLE_DELAY_13_CLKS);
10012
10013 tw32(TG3_CORR_ERR_STAT, TG3_CORR_ERR_STAT_CLEAR);
33466d93 10014
f40386c8
MC		 10015 val = tr32(TG3_PCIE_LNKCTL) & ~TG3_PCIE_LNKCTL_L1_PLL_PD_EN;
10016 tw32(TG3_PCIE_LNKCTL, val | TG3_PCIE_LNKCTL_L1_PLL_PD_DIS);
255ca311
MC		 10017 }
10018
63c3a66f 10019 if (tg3_flag(tp, L1PLLPD_EN)) {
614b0590
MC		 10020 u32 grc_mode = tr32(GRC_MODE);
10021
10022 /* Access the lower 1K of PL PCIE block registers. */
10023 val = grc_mode & ~GRC_MODE_PCIE_PORT_MASK;
10024 tw32(GRC_MODE, val | GRC_MODE_PCIE_PL_SEL);
10025
10026 val = tr32(TG3_PCIE_TLDLPL_PORT + TG3_PCIE_PL_LO_PHYCTL1);
10027 tw32(TG3_PCIE_TLDLPL_PORT + TG3_PCIE_PL_LO_PHYCTL1,
10028 val | TG3_PCIE_PL_LO_PHYCTL1_L1PLLPD_EN);
10029
10030 tw32(GRC_MODE, grc_mode);
10031 }
10032
55086ad9 10033 if (tg3_flag(tp, 57765_CLASS)) {
4153577a 10034 if (tg3_chip_rev_id(tp) == CHIPREV_ID_57765_A0) {
5093eedc 10035 u32 grc_mode = tr32(GRC_MODE);
cea46462 10036
5093eedc
MC		 10037 /* Access the lower 1K of PL PCIE block registers. */
10038 val = grc_mode & ~GRC_MODE_PCIE_PORT_MASK;
10039 tw32(GRC_MODE, val | GRC_MODE_PCIE_PL_SEL);
cea46462 10040
5093eedc
MC		 10041 val = tr32(TG3_PCIE_TLDLPL_PORT +
10042 TG3_PCIE_PL_LO_PHYCTL5);
10043 tw32(TG3_PCIE_TLDLPL_PORT + TG3_PCIE_PL_LO_PHYCTL5,
10044 val | TG3_PCIE_PL_LO_PHYCTL5_DIS_L2CLKREQ);
cea46462 10045
5093eedc
MC		 10046 tw32(GRC_MODE, grc_mode);
10047 }
a977dbe8 10048
4153577a 10049 if (tg3_chip_rev(tp) != CHIPREV_57765_AX) {
d3f677af
MC		 10050 u32 grc_mode;
10051
10052 /* Fix transmit hangs */
10053 val = tr32(TG3_CPMU_PADRNG_CTL);
10054 val |= TG3_CPMU_PADRNG_CTL_RDIV2;
10055 tw32(TG3_CPMU_PADRNG_CTL, val);
10056
10057 grc_mode = tr32(GRC_MODE);
1ff30a59
MC		 10058
10059 /* Access the lower 1K of DL PCIE block registers. */
10060 val = grc_mode & ~GRC_MODE_PCIE_PORT_MASK;
10061 tw32(GRC_MODE, val | GRC_MODE_PCIE_DL_SEL);
10062
10063 val = tr32(TG3_PCIE_TLDLPL_PORT +
10064 TG3_PCIE_DL_LO_FTSMAX);
10065 val &= ~TG3_PCIE_DL_LO_FTSMAX_MSK;
10066 tw32(TG3_PCIE_TLDLPL_PORT + TG3_PCIE_DL_LO_FTSMAX,
10067 val | TG3_PCIE_DL_LO_FTSMAX_VAL);
10068
10069 tw32(GRC_MODE, grc_mode);
10070 }
10071
a977dbe8
MC		 10072 val = tr32(TG3_CPMU_LSPD_10MB_CLK);
10073 val &= ~CPMU_LSPD_10MB_MACCLK_MASK;
10074 val |= CPMU_LSPD_10MB_MACCLK_6_25;
10075 tw32(TG3_CPMU_LSPD_10MB_CLK, val);
cea46462
MC		 10076 }
10077
1da177e4
LT		 10078 /* This works around an issue with Athlon chipsets on
10079 * B3 tigon3 silicon. This bit has no effect on any
10080 * other revision. But do not set this on PCI Express
795d01c5 10081 * chips and don't even touch the clocks if the CPMU is present.
1da177e4 10082 */
63c3a66f
JP		 10083 if (!tg3_flag(tp, CPMU_PRESENT)) {
10084 if (!tg3_flag(tp, PCI_EXPRESS))
795d01c5
MC		 10085 tp->pci_clock_ctrl |= CLOCK_CTRL_DELAY_PCI_GRANT;
10086 tw32_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
10087 }
1da177e4 10088
4153577a 10089 if (tg3_chip_rev_id(tp) == CHIPREV_ID_5704_A0 &&
63c3a66f 10090 tg3_flag(tp, PCIX_MODE)) {
1da177e4
LT		 10091 val = tr32(TG3PCI_PCISTATE);
10092 val |= PCISTATE_RETRY_SAME_DMA;
10093 tw32(TG3PCI_PCISTATE, val);
10094 }
10095
63c3a66f 10096 if (tg3_flag(tp, ENABLE_APE)) {
0d3031d9
MC		 10097 /* Allow reads and writes to the
10098 * APE register and memory space.
10099 */
10100 val = tr32(TG3PCI_PCISTATE);
10101 val |= PCISTATE_ALLOW_APE_CTLSPC_WR |
f92d9dc1
MC		 10102 PCISTATE_ALLOW_APE_SHMEM_WR |
10103 PCISTATE_ALLOW_APE_PSPACE_WR;
0d3031d9
MC		 10104 tw32(TG3PCI_PCISTATE, val);
10105 }
10106
4153577a 10107 if (tg3_chip_rev(tp) == CHIPREV_5704_BX) {
1da177e4
LT		 10108 /* Enable some hw fixes. */
10109 val = tr32(TG3PCI_MSI_DATA);
10110 val |= (1 << 26) | (1 << 28) | (1 << 29);
10111 tw32(TG3PCI_MSI_DATA, val);
10112 }
10113
10114 /* Descriptor ring init may make accesses to the
10115 * NIC SRAM area to setup the TX descriptors, so we
10116 * can only do this after the hardware has been
10117 * successfully reset.
10118 */
32d8c572
MC		 10119 err = tg3_init_rings(tp);
10120 if (err)
10121 return err;
1da177e4 10122
63c3a66f 10123 if (tg3_flag(tp, 57765_PLUS)) {
cbf9ca6c
MC		 10124 val = tr32(TG3PCI_DMA_RW_CTRL) &
10125 ~DMA_RWCTRL_DIS_CACHE_ALIGNMENT;
4153577a 10126 if (tg3_chip_rev_id(tp) == CHIPREV_ID_57765_A0)
1a319025 10127 val &= ~DMA_RWCTRL_CRDRDR_RDMA_MRRS_MSK;
55086ad9 10128 if (!tg3_flag(tp, 57765_CLASS) &&
4153577a
JP		 10129 tg3_asic_rev(tp) != ASIC_REV_5717 &&
10130 tg3_asic_rev(tp) != ASIC_REV_5762)
0aebff48 10131 val |= DMA_RWCTRL_TAGGED_STAT_WA;
cbf9ca6c 10132 tw32(TG3PCI_DMA_RW_CTRL, val | tp->dma_rwctrl);
4153577a
JP		 10133 } else if (tg3_asic_rev(tp) != ASIC_REV_5784 &&
10134 tg3_asic_rev(tp) != ASIC_REV_5761) {
d30cdd28
MC		 10135 /* This value is determined during the probe time DMA
10136 * engine test, tg3_test_dma.
10137 */
10138 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
10139 }
1da177e4
LT		 10140
10141 tp->grc_mode &= ~(GRC_MODE_HOST_SENDBDS |
10142 GRC_MODE_4X_NIC_SEND_RINGS |
10143 GRC_MODE_NO_TX_PHDR_CSUM |
10144 GRC_MODE_NO_RX_PHDR_CSUM);
10145 tp->grc_mode |= GRC_MODE_HOST_SENDBDS;
d2d746f8
MC		 10146
10147 /* Pseudo-header checksum is done by hardware logic and not
10148 * the offload processers, so make the chip do the pseudo-
10149 * header checksums on receive. For transmit it is more
10150 * convenient to do the pseudo-header checksum in software
10151 * as Linux does that on transmit for us in all cases.
10152 */
10153 tp->grc_mode |= GRC_MODE_NO_TX_PHDR_CSUM;
1da177e4 10154
fb4ce8ad
MC		 10155 val = GRC_MODE_IRQ_ON_MAC_ATTN | GRC_MODE_HOST_STACKUP;
10156 if (tp->rxptpctl)
10157 tw32(TG3_RX_PTP_CTL,
10158 tp->rxptpctl | TG3_RX_PTP_CTL_HWTS_INTERLOCK);
10159
10160 if (tg3_flag(tp, PTP_CAPABLE))
10161 val |= GRC_MODE_TIME_SYNC_ENABLE;
10162
10163 tw32(GRC_MODE, tp->grc_mode | val);
1da177e4 10164
4419bb1c
SRK		 10165 /* On one of the AMD platform, MRRS is restricted to 4000 because of
10166 * south bridge limitation. As a workaround, Driver is setting MRRS
10167 * to 2048 instead of default 4096.
10168 */
10169 if (tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL &&
10170 tp->pdev->subsystem_device == TG3PCI_SUBDEVICE_ID_DELL_5762) {
10171 val = tr32(TG3PCI_DEV_STATUS_CTRL) & ~MAX_READ_REQ_MASK;
10172 tw32(TG3PCI_DEV_STATUS_CTRL, val | MAX_READ_REQ_SIZE_2048);
10173 }
10174
1da177e4
LT		 10175 /* Setup the timer prescalar register. Clock is always 66Mhz. */
10176 val = tr32(GRC_MISC_CFG);
10177 val &= ~0xff;
10178 val |= (65 << GRC_MISC_CFG_PRESCALAR_SHIFT);
10179 tw32(GRC_MISC_CFG, val);
10180
10181 /* Initialize MBUF/DESC pool. */
63c3a66f 10182 if (tg3_flag(tp, 5750_PLUS)) {
1da177e4 10183 /* Do nothing. */
4153577a 10184 } else if (tg3_asic_rev(tp) != ASIC_REV_5705) {
1da177e4 10185 tw32(BUFMGR_MB_POOL_ADDR, NIC_SRAM_MBUF_POOL_BASE);
4153577a 10186 if (tg3_asic_rev(tp) == ASIC_REV_5704)
1da177e4
LT		 10187 tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE64);
10188 else
10189 tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE96);
10190 tw32(BUFMGR_DMA_DESC_POOL_ADDR, NIC_SRAM_DMA_DESC_POOL_BASE);
10191 tw32(BUFMGR_DMA_DESC_POOL_SIZE, NIC_SRAM_DMA_DESC_POOL_SIZE);
63c3a66f 10192 } else if (tg3_flag(tp, TSO_CAPABLE)) {
1da177e4
LT		 10193 int fw_len;
10194
077f849d 10195 fw_len = tp->fw_len;
1da177e4
LT		 10196 fw_len = (fw_len + (0x80 - 1)) & ~(0x80 - 1);
10197 tw32(BUFMGR_MB_POOL_ADDR,
10198 NIC_SRAM_MBUF_POOL_BASE5705 + fw_len);
10199 tw32(BUFMGR_MB_POOL_SIZE,
10200 NIC_SRAM_MBUF_POOL_SIZE5705 - fw_len - 0xa00);
10201 }
1da177e4 10202
0f893dc6 10203 if (tp->dev->mtu <= ETH_DATA_LEN) {
1da177e4
LT		 10204 tw32(BUFMGR_MB_RDMA_LOW_WATER,
10205 tp->bufmgr_config.mbuf_read_dma_low_water);
10206 tw32(BUFMGR_MB_MACRX_LOW_WATER,
10207 tp->bufmgr_config.mbuf_mac_rx_low_water);
10208 tw32(BUFMGR_MB_HIGH_WATER,
10209 tp->bufmgr_config.mbuf_high_water);
10210 } else {
10211 tw32(BUFMGR_MB_RDMA_LOW_WATER,
10212 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo);
10213 tw32(BUFMGR_MB_MACRX_LOW_WATER,
10214 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo);
10215 tw32(BUFMGR_MB_HIGH_WATER,
10216 tp->bufmgr_config.mbuf_high_water_jumbo);
10217 }
10218 tw32(BUFMGR_DMA_LOW_WATER,
10219 tp->bufmgr_config.dma_low_water);
10220 tw32(BUFMGR_DMA_HIGH_WATER,
10221 tp->bufmgr_config.dma_high_water);
10222
d309a46e 10223 val = BUFMGR_MODE_ENABLE | BUFMGR_MODE_ATTN_ENABLE;
4153577a 10224 if (tg3_asic_rev(tp) == ASIC_REV_5719)
d309a46e 10225 val |= BUFMGR_MODE_NO_TX_UNDERRUN;
4153577a 10226 if (tg3_asic_rev(tp) == ASIC_REV_5717 ||
94962f7f 10227 tg3_asic_rev(tp) == ASIC_REV_5762 ||
4153577a
JP		 10228 tg3_chip_rev_id(tp) == CHIPREV_ID_5719_A0 ||
10229 tg3_chip_rev_id(tp) == CHIPREV_ID_5720_A0)
4d958473 10230 val |= BUFMGR_MODE_MBLOW_ATTN_ENAB;
d309a46e 10231 tw32(BUFMGR_MODE, val);
1da177e4
LT		 10232 for (i = 0; i < 2000; i++) {
10233 if (tr32(BUFMGR_MODE) & BUFMGR_MODE_ENABLE)
10234 break;
10235 udelay(10);
10236 }
10237 if (i >= 2000) {
05dbe005 10238 netdev_err(tp->dev, "%s cannot enable BUFMGR\n", __func__);
1da177e4
LT		 10239 return -ENODEV;
10240 }
10241
4153577a 10242 if (tg3_chip_rev_id(tp) == CHIPREV_ID_5906_A1)
eb07a940 10243 tw32(ISO_PKT_TX, (tr32(ISO_PKT_TX) & ~0x3) | 0x2);
b5d3772c 10244
eb07a940 10245 tg3_setup_rxbd_thresholds(tp);
1da177e4
LT		 10246
10247 /* Initialize TG3_BDINFO's at:
10248 * RCVDBDI_STD_BD: standard eth size rx ring
10249 * RCVDBDI_JUMBO_BD: jumbo frame rx ring
10250 * RCVDBDI_MINI_BD: small frame rx ring (??? does not work)
10251 *
10252 * like so:
10253 * TG3_BDINFO_HOST_ADDR: high/low parts of DMA address of ring
10254 * TG3_BDINFO_MAXLEN_FLAGS: (rx max buffer size << 16) |
10255 * ring attribute flags
10256 * TG3_BDINFO_NIC_ADDR: location of descriptors in nic SRAM
10257 *
10258 * Standard receive ring @ NIC_SRAM_RX_BUFFER_DESC, 512 entries.
10259 * Jumbo receive ring @ NIC_SRAM_RX_JUMBO_BUFFER_DESC, 256 entries.
10260 *
10261 * The size of each ring is fixed in the firmware, but the location is
10262 * configurable.
10263 */
10264 tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH,
21f581a5 10265 ((u64) tpr->rx_std_mapping >> 32));
1da177e4 10266 tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
21f581a5 10267 ((u64) tpr->rx_std_mapping & 0xffffffff));
63c3a66f 10268 if (!tg3_flag(tp, 5717_PLUS))
87668d35
MC		 10269 tw32(RCVDBDI_STD_BD + TG3_BDINFO_NIC_ADDR,
10270 NIC_SRAM_RX_BUFFER_DESC);
1da177e4 10271
fdb72b38 10272 /* Disable the mini ring */
63c3a66f 10273 if (!tg3_flag(tp, 5705_PLUS))
1da177e4
LT		 10274 tw32(RCVDBDI_MINI_BD + TG3_BDINFO_MAXLEN_FLAGS,
10275 BDINFO_FLAGS_DISABLED);
10276
fdb72b38
MC		 10277 /* Program the jumbo buffer descriptor ring control
10278 * blocks on those devices that have them.
10279 */
4153577a 10280 if (tg3_chip_rev_id(tp) == CHIPREV_ID_5719_A0 ||
63c3a66f 10281 (tg3_flag(tp, JUMBO_CAPABLE) && !tg3_flag(tp, 5780_CLASS))) {
1da177e4 10282
63c3a66f 10283 if (tg3_flag(tp, JUMBO_RING_ENABLE)) {
1da177e4 10284 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH,
21f581a5 10285 ((u64) tpr->rx_jmb_mapping >> 32));
1da177e4 10286 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
21f581a5 10287 ((u64) tpr->rx_jmb_mapping & 0xffffffff));
de9f5230
MC		 10288 val = TG3_RX_JMB_RING_SIZE(tp) <<
10289 BDINFO_FLAGS_MAXLEN_SHIFT;
1da177e4 10290 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
de9f5230 10291 val | BDINFO_FLAGS_USE_EXT_RECV);
63c3a66f 10292 if (!tg3_flag(tp, USE_JUMBO_BDFLAG) ||
c65a17f4 10293 tg3_flag(tp, 57765_CLASS) ||
4153577a 10294 tg3_asic_rev(tp) == ASIC_REV_5762)
87668d35
MC		 10295 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_NIC_ADDR,
10296 NIC_SRAM_RX_JUMBO_BUFFER_DESC);
1da177e4
LT		 10297 } else {
10298 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
10299 BDINFO_FLAGS_DISABLED);
10300 }
10301
63c3a66f 10302 if (tg3_flag(tp, 57765_PLUS)) {
fa6b2aae 10303 val = TG3_RX_STD_RING_SIZE(tp);
7cb32cf2
MC		 10304 val <<= BDINFO_FLAGS_MAXLEN_SHIFT;
10305 val |= (TG3_RX_STD_DMA_SZ << 2);
10306 } else
04380d40 10307 val = TG3_RX_STD_DMA_SZ << BDINFO_FLAGS_MAXLEN_SHIFT;
fdb72b38 10308 } else
de9f5230 10309 val = TG3_RX_STD_MAX_SIZE_5700 << BDINFO_FLAGS_MAXLEN_SHIFT;
fdb72b38
MC		 10310
10311 tw32(RCVDBDI_STD_BD + TG3_BDINFO_MAXLEN_FLAGS, val);
1da177e4 10312
411da640 10313 tpr->rx_std_prod_idx = tp->rx_pending;
66711e66 10314 tw32_rx_mbox(TG3_RX_STD_PROD_IDX_REG, tpr->rx_std_prod_idx);
1da177e4 10315
63c3a66f
JP		 10316 tpr->rx_jmb_prod_idx =
10317 tg3_flag(tp, JUMBO_RING_ENABLE) ? tp->rx_jumbo_pending : 0;
66711e66 10318 tw32_rx_mbox(TG3_RX_JMB_PROD_IDX_REG, tpr->rx_jmb_prod_idx);
1da177e4 10319
2d31ecaf
MC		 10320 tg3_rings_reset(tp);
10321
1da177e4 10322 /* Initialize MAC address and backoff seed. */
953c96e0 10323 __tg3_set_mac_addr(tp, false);
1da177e4
LT		 10324
10325 /* MTU + ethernet header + FCS + optional VLAN tag */
f7b493e0
MC		 10326 tw32(MAC_RX_MTU_SIZE,
10327 tp->dev->mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN);
1da177e4
LT		 10328
10329 /* The slot time is changed by tg3_setup_phy if we
10330 * run at gigabit with half duplex.
10331 */
f2096f94
MC		 10332 val = (2 << TX_LENGTHS_IPG_CRS_SHIFT) |
10333 (6 << TX_LENGTHS_IPG_SHIFT) |
10334 (32 << TX_LENGTHS_SLOT_TIME_SHIFT);
10335
4153577a
JP		 10336 if (tg3_asic_rev(tp) == ASIC_REV_5720 ||
10337 tg3_asic_rev(tp) == ASIC_REV_5762)
f2096f94
MC		 10338 val |= tr32(MAC_TX_LENGTHS) &
10339 (TX_LENGTHS_JMB_FRM_LEN_MSK |
10340 TX_LENGTHS_CNT_DWN_VAL_MSK);
10341
10342 tw32(MAC_TX_LENGTHS, val);
1da177e4
LT		 10343
10344 /* Receive rules. */
10345 tw32(MAC_RCV_RULE_CFG, RCV_RULE_CFG_DEFAULT_CLASS);
10346 tw32(RCVLPC_CONFIG, 0x0181);
10347
10348 /* Calculate RDMAC_MODE setting early, we need it to determine
10349 * the RCVLPC_STATE_ENABLE mask.
10350 */
10351 rdmac_mode = (RDMAC_MODE_ENABLE | RDMAC_MODE_TGTABORT_ENAB |
10352 RDMAC_MODE_MSTABORT_ENAB | RDMAC_MODE_PARITYERR_ENAB |
10353 RDMAC_MODE_ADDROFLOW_ENAB | RDMAC_MODE_FIFOOFLOW_ENAB |
10354 RDMAC_MODE_FIFOURUN_ENAB | RDMAC_MODE_FIFOOREAD_ENAB |
10355 RDMAC_MODE_LNGREAD_ENAB);
85e94ced 10356
4153577a 10357 if (tg3_asic_rev(tp) == ASIC_REV_5717)
0339e4e3
MC		 10358 rdmac_mode |= RDMAC_MODE_MULT_DMA_RD_DIS;
10359
4153577a
JP		 10360 if (tg3_asic_rev(tp) == ASIC_REV_5784 ||
10361 tg3_asic_rev(tp) == ASIC_REV_5785 ||
10362 tg3_asic_rev(tp) == ASIC_REV_57780)
d30cdd28
MC		 10363 rdmac_mode |= RDMAC_MODE_BD_SBD_CRPT_ENAB |
10364 RDMAC_MODE_MBUF_RBD_CRPT_ENAB |
10365 RDMAC_MODE_MBUF_SBD_CRPT_ENAB;
10366
4153577a
JP		 10367 if (tg3_asic_rev(tp) == ASIC_REV_5705 &&
10368 tg3_chip_rev_id(tp) != CHIPREV_ID_5705_A0) {
6ed3f61e 10369 if (tg3_flag(tp, TSO_CAPABLE)) {
1da177e4
LT		 10370 rdmac_mode |= RDMAC_MODE_FIFO_SIZE_128;
10371 } else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) &&
63c3a66f 10372 !tg3_flag(tp, IS_5788)) {
1da177e4
LT		 10373 rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
10374 }
10375 }
10376
63c3a66f 10377 if (tg3_flag(tp, PCI_EXPRESS))
85e94ced
MC		 10378 rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
10379
4153577a 10380 if (tg3_asic_rev(tp) == ASIC_REV_57766) {
d3f677af
MC		 10381 tp->dma_limit = 0;
10382 if (tp->dev->mtu <= ETH_DATA_LEN) {
10383 rdmac_mode |= RDMAC_MODE_JMB_2K_MMRR;
10384 tp->dma_limit = TG3_TX_BD_DMA_MAX_2K;
10385 }
10386 }
10387
63c3a66f
JP		 10388 if (tg3_flag(tp, HW_TSO_1) ||
10389 tg3_flag(tp, HW_TSO_2) ||
10390 tg3_flag(tp, HW_TSO_3))
027455ad
MC		 10391 rdmac_mode |= RDMAC_MODE_IPV4_LSO_EN;
10392
108a6c16 10393 if (tg3_flag(tp, 57765_PLUS) ||
4153577a
JP		 10394 tg3_asic_rev(tp) == ASIC_REV_5785 ||
10395 tg3_asic_rev(tp) == ASIC_REV_57780)
027455ad 10396 rdmac_mode |= RDMAC_MODE_IPV6_LSO_EN;
1da177e4 10397
4153577a
JP		 10398 if (tg3_asic_rev(tp) == ASIC_REV_5720 ||
10399 tg3_asic_rev(tp) == ASIC_REV_5762)
f2096f94
MC		 10400 rdmac_mode |= tr32(RDMAC_MODE) & RDMAC_MODE_H2BNC_VLAN_DET;
10401
4153577a
JP		 10402 if (tg3_asic_rev(tp) == ASIC_REV_5761 ||
10403 tg3_asic_rev(tp) == ASIC_REV_5784 ||
10404 tg3_asic_rev(tp) == ASIC_REV_5785 ||
10405 tg3_asic_rev(tp) == ASIC_REV_57780 ||
63c3a66f 10406 tg3_flag(tp, 57765_PLUS)) {
c65a17f4
MC		 10407 u32 tgtreg;
10408
4153577a 10409 if (tg3_asic_rev(tp) == ASIC_REV_5762)
c65a17f4
MC		 10410 tgtreg = TG3_RDMA_RSRVCTRL_REG2;
10411 else
10412 tgtreg = TG3_RDMA_RSRVCTRL_REG;
10413
10414 val = tr32(tgtreg);
4153577a
JP		 10415 if (tg3_chip_rev_id(tp) == CHIPREV_ID_5719_A0 ||
10416 tg3_asic_rev(tp) == ASIC_REV_5762) {
b4495ed8
MC		 10417 val &= ~(TG3_RDMA_RSRVCTRL_TXMRGN_MASK |
10418 TG3_RDMA_RSRVCTRL_FIFO_LWM_MASK |
10419 TG3_RDMA_RSRVCTRL_FIFO_HWM_MASK);
10420 val |= TG3_RDMA_RSRVCTRL_TXMRGN_320B |
10421 TG3_RDMA_RSRVCTRL_FIFO_LWM_1_5K |
10422 TG3_RDMA_RSRVCTRL_FIFO_HWM_1_5K;
b75cc0e4 10423 }
c65a17f4 10424 tw32(tgtreg, val | TG3_RDMA_RSRVCTRL_FIFO_OFLW_FIX);
41a8a7ee
MC		 10425 }
10426
4153577a
JP		 10427 if (tg3_asic_rev(tp) == ASIC_REV_5719 ||
10428 tg3_asic_rev(tp) == ASIC_REV_5720 ||
10429 tg3_asic_rev(tp) == ASIC_REV_5762) {
c65a17f4
MC		 10430 u32 tgtreg;
10431
4153577a 10432 if (tg3_asic_rev(tp) == ASIC_REV_5762)
c65a17f4
MC		 10433 tgtreg = TG3_LSO_RD_DMA_CRPTEN_CTRL2;
10434 else
10435 tgtreg = TG3_LSO_RD_DMA_CRPTEN_CTRL;
10436
10437 val = tr32(tgtreg);
10438 tw32(tgtreg, val |
d309a46e
MC		 10439 TG3_LSO_RD_DMA_CRPTEN_CTRL_BLEN_BD_4K |
10440 TG3_LSO_RD_DMA_CRPTEN_CTRL_BLEN_LSO_4K);
10441 }
10442
1da177e4 10443 /* Receive/send statistics. */
63c3a66f 10444 if (tg3_flag(tp, 5750_PLUS)) {
1661394e
MC		 10445 val = tr32(RCVLPC_STATS_ENABLE);
10446 val &= ~RCVLPC_STATSENAB_DACK_FIX;
10447 tw32(RCVLPC_STATS_ENABLE, val);
10448 } else if ((rdmac_mode & RDMAC_MODE_FIFO_SIZE_128) &&
63c3a66f 10449 tg3_flag(tp, TSO_CAPABLE)) {
1da177e4
LT		 10450 val = tr32(RCVLPC_STATS_ENABLE);
10451 val &= ~RCVLPC_STATSENAB_LNGBRST_RFIX;
10452 tw32(RCVLPC_STATS_ENABLE, val);
10453 } else {
10454 tw32(RCVLPC_STATS_ENABLE, 0xffffff);
10455 }
10456 tw32(RCVLPC_STATSCTRL, RCVLPC_STATSCTRL_ENABLE);
10457 tw32(SNDDATAI_STATSENAB, 0xffffff);
10458 tw32(SNDDATAI_STATSCTRL,
10459 (SNDDATAI_SCTRL_ENABLE |
10460 SNDDATAI_SCTRL_FASTUPD));
10461
10462 /* Setup host coalescing engine. */
10463 tw32(HOSTCC_MODE, 0);
10464 for (i = 0; i < 2000; i++) {
10465 if (!(tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE))
10466 break;
10467 udelay(10);
10468 }
10469
d244c892 10470 __tg3_set_coalesce(tp, &tp->coal);
1da177e4 10471
63c3a66f 10472 if (!tg3_flag(tp, 5705_PLUS)) {
1da177e4
LT		 10473 /* Status/statistics block address. See tg3_timer,
10474 * the tg3_periodic_fetch_stats call there, and
10475 * tg3_get_stats to see how this works for 5705/5750 chips.
10476 */
1da177e4
LT		 10477 tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
10478 ((u64) tp->stats_mapping >> 32));
10479 tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
10480 ((u64) tp->stats_mapping & 0xffffffff));
10481 tw32(HOSTCC_STATS_BLK_NIC_ADDR, NIC_SRAM_STATS_BLK);
2d31ecaf 10482
1da177e4 10483 tw32(HOSTCC_STATUS_BLK_NIC_ADDR, NIC_SRAM_STATUS_BLK);
2d31ecaf
MC		 10484
10485 /* Clear statistics and status block memory areas */
10486 for (i = NIC_SRAM_STATS_BLK;
10487 i < NIC_SRAM_STATUS_BLK + TG3_HW_STATUS_SIZE;
10488 i += sizeof(u32)) {
10489 tg3_write_mem(tp, i, 0);
10490 udelay(40);
10491 }
1da177e4
LT		 10492 }
10493
10494 tw32(HOSTCC_MODE, HOSTCC_MODE_ENABLE | tp->coalesce_mode);
10495
10496 tw32(RCVCC_MODE, RCVCC_MODE_ENABLE | RCVCC_MODE_ATTN_ENABLE);
10497 tw32(RCVLPC_MODE, RCVLPC_MODE_ENABLE);
63c3a66f 10498 if (!tg3_flag(tp, 5705_PLUS))
1da177e4
LT		 10499 tw32(RCVLSC_MODE, RCVLSC_MODE_ENABLE | RCVLSC_MODE_ATTN_ENABLE);
10500
f07e9af3
MC		 10501 if (tp->phy_flags & TG3_PHYFLG_MII_SERDES) {
10502 tp->phy_flags &= ~TG3_PHYFLG_PARALLEL_DETECT;
c94e3941
MC		 10503 /* reset to prevent losing 1st rx packet intermittently */
10504 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
10505 udelay(10);
10506 }
10507
3bda1258 10508 tp->mac_mode |= MAC_MODE_TXSTAT_ENABLE | MAC_MODE_RXSTAT_ENABLE |
9e975cc2
MC		 10509 MAC_MODE_TDE_ENABLE | MAC_MODE_RDE_ENABLE |
10510 MAC_MODE_FHDE_ENABLE;
10511 if (tg3_flag(tp, ENABLE_APE))
10512 tp->mac_mode |= MAC_MODE_APE_TX_EN | MAC_MODE_APE_RX_EN;
63c3a66f 10513 if (!tg3_flag(tp, 5705_PLUS) &&
f07e9af3 10514 !(tp->phy_flags & TG3_PHYFLG_PHY_SERDES) &&
4153577a 10515 tg3_asic_rev(tp) != ASIC_REV_5700)
e8f3f6ca 10516 tp->mac_mode |= MAC_MODE_LINK_POLARITY;
1da177e4
LT		 10517 tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_RXSTAT_CLEAR | MAC_MODE_TXSTAT_CLEAR);
10518 udelay(40);
10519
314fba34 10520 /* tp->grc_local_ctrl is partially set up during tg3_get_invariants().
63c3a66f 10521 * If TG3_FLAG_IS_NIC is zero, we should read the
314fba34
MC		 10522 * register to preserve the GPIO settings for LOMs. The GPIOs,
10523 * whether used as inputs or outputs, are set by boot code after
10524 * reset.
10525 */
63c3a66f 10526 if (!tg3_flag(tp, IS_NIC)) {
314fba34
MC		 10527 u32 gpio_mask;
10528
9d26e213
MC		 10529 gpio_mask = GRC_LCLCTRL_GPIO_OE0 | GRC_LCLCTRL_GPIO_OE1 |
10530 GRC_LCLCTRL_GPIO_OE2 | GRC_LCLCTRL_GPIO_OUTPUT0 |
10531 GRC_LCLCTRL_GPIO_OUTPUT1 | GRC_LCLCTRL_GPIO_OUTPUT2;
3e7d83bc 10532
4153577a 10533 if (tg3_asic_rev(tp) == ASIC_REV_5752)
3e7d83bc
MC		 10534 gpio_mask |= GRC_LCLCTRL_GPIO_OE3 |
10535 GRC_LCLCTRL_GPIO_OUTPUT3;
10536
4153577a 10537 if (tg3_asic_rev(tp) == ASIC_REV_5755)
af36e6b6
MC		 10538 gpio_mask |= GRC_LCLCTRL_GPIO_UART_SEL;
10539
aaf84465 10540 tp->grc_local_ctrl &= ~gpio_mask;
314fba34
MC		 10541 tp->grc_local_ctrl |= tr32(GRC_LOCAL_CTRL) & gpio_mask;
10542
10543 /* GPIO1 must be driven high for eeprom write protect */
63c3a66f 10544 if (tg3_flag(tp, EEPROM_WRITE_PROT))
9d26e213
MC		 10545 tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
10546 GRC_LCLCTRL_GPIO_OUTPUT1);
314fba34 10547 }
1da177e4
LT		 10548 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
10549 udelay(100);
10550
c3b5003b 10551 if (tg3_flag(tp, USING_MSIX)) {
baf8a94a 10552 val = tr32(MSGINT_MODE);
c3b5003b
MC		 10553 val |= MSGINT_MODE_ENABLE;
10554 if (tp->irq_cnt > 1)
10555 val |= MSGINT_MODE_MULTIVEC_EN;
5b39de91
MC		 10556 if (!tg3_flag(tp, 1SHOT_MSI))
10557 val |= MSGINT_MODE_ONE_SHOT_DISABLE;
baf8a94a
MC		 10558 tw32(MSGINT_MODE, val);
10559 }
10560
63c3a66f 10561 if (!tg3_flag(tp, 5705_PLUS)) {
1da177e4
LT		 10562 tw32_f(DMAC_MODE, DMAC_MODE_ENABLE);
10563 udelay(40);
10564 }
10565
10566 val = (WDMAC_MODE_ENABLE | WDMAC_MODE_TGTABORT_ENAB |
10567 WDMAC_MODE_MSTABORT_ENAB | WDMAC_MODE_PARITYERR_ENAB |
10568 WDMAC_MODE_ADDROFLOW_ENAB | WDMAC_MODE_FIFOOFLOW_ENAB |
10569 WDMAC_MODE_FIFOURUN_ENAB | WDMAC_MODE_FIFOOREAD_ENAB |
10570 WDMAC_MODE_LNGREAD_ENAB);
10571
4153577a
JP		 10572 if (tg3_asic_rev(tp) == ASIC_REV_5705 &&
10573 tg3_chip_rev_id(tp) != CHIPREV_ID_5705_A0) {
63c3a66f 10574 if (tg3_flag(tp, TSO_CAPABLE) &&
4153577a
JP		 10575 (tg3_chip_rev_id(tp) == CHIPREV_ID_5705_A1 ||
10576 tg3_chip_rev_id(tp) == CHIPREV_ID_5705_A2)) {
1da177e4
LT		 10577 /* nothing */
10578 } else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) &&
63c3a66f 10579 !tg3_flag(tp, IS_5788)) {
1da177e4
LT		 10580 val |= WDMAC_MODE_RX_ACCEL;
10581 }
10582 }
10583
d9ab5ad1 10584 /* Enable host coalescing bug fix */
63c3a66f 10585 if (tg3_flag(tp, 5755_PLUS))
f51f3562 10586 val |= WDMAC_MODE_STATUS_TAG_FIX;
d9ab5ad1 10587
4153577a 10588 if (tg3_asic_rev(tp) == ASIC_REV_5785)
788a035e
MC		 10589 val |= WDMAC_MODE_BURST_ALL_DATA;
10590
1da177e4
LT		 10591 tw32_f(WDMAC_MODE, val);
10592 udelay(40);
10593
63c3a66f 10594 if (tg3_flag(tp, PCIX_MODE)) {
9974a356
MC		 10595 u16 pcix_cmd;
10596
10597 pci_read_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
10598 &pcix_cmd);
4153577a 10599 if (tg3_asic_rev(tp) == ASIC_REV_5703) {
9974a356
MC		 10600 pcix_cmd &= ~PCI_X_CMD_MAX_READ;
10601 pcix_cmd |= PCI_X_CMD_READ_2K;
4153577a 10602 } else if (tg3_asic_rev(tp) == ASIC_REV_5704) {
9974a356
MC		 10603 pcix_cmd &= ~(PCI_X_CMD_MAX_SPLIT | PCI_X_CMD_MAX_READ);
10604 pcix_cmd |= PCI_X_CMD_READ_2K;
1da177e4 10605 }
9974a356
MC		 10606 pci_write_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
10607 pcix_cmd);
1da177e4
LT		 10608 }
10609
10610 tw32_f(RDMAC_MODE, rdmac_mode);
10611 udelay(40);
10612
9bc297ea
NS		 10613 if (tg3_asic_rev(tp) == ASIC_REV_5719 ||
10614 tg3_asic_rev(tp) == ASIC_REV_5720) {
091f0ea3
MC		 10615 for (i = 0; i < TG3_NUM_RDMA_CHANNELS; i++) {
10616 if (tr32(TG3_RDMA_LENGTH + (i << 2)) > TG3_MAX_MTU(tp))
10617 break;
10618 }
10619 if (i < TG3_NUM_RDMA_CHANNELS) {
10620 val = tr32(TG3_LSO_RD_DMA_CRPTEN_CTRL);
9bc297ea 10621 val |= tg3_lso_rd_dma_workaround_bit(tp);
091f0ea3 10622 tw32(TG3_LSO_RD_DMA_CRPTEN_CTRL, val);
9bc297ea 10623 tg3_flag_set(tp, 5719_5720_RDMA_BUG);
091f0ea3
MC		 10624 }
10625 }
10626
1da177e4 10627 tw32(RCVDCC_MODE, RCVDCC_MODE_ENABLE | RCVDCC_MODE_ATTN_ENABLE);
63c3a66f 10628 if (!tg3_flag(tp, 5705_PLUS))
1da177e4 10629 tw32(MBFREE_MODE, MBFREE_MODE_ENABLE);
9936bcf6 10630
4153577a 10631 if (tg3_asic_rev(tp) == ASIC_REV_5761)
9936bcf6
MC		 10632 tw32(SNDDATAC_MODE,
10633 SNDDATAC_MODE_ENABLE | SNDDATAC_MODE_CDELAY);
10634 else
10635 tw32(SNDDATAC_MODE, SNDDATAC_MODE_ENABLE);
10636
1da177e4
LT		 10637 tw32(SNDBDC_MODE, SNDBDC_MODE_ENABLE | SNDBDC_MODE_ATTN_ENABLE);
10638 tw32(RCVBDI_MODE, RCVBDI_MODE_ENABLE | RCVBDI_MODE_RCB_ATTN_ENAB);
7cb32cf2 10639 val = RCVDBDI_MODE_ENABLE | RCVDBDI_MODE_INV_RING_SZ;
63c3a66f 10640 if (tg3_flag(tp, LRG_PROD_RING_CAP))
7cb32cf2
MC		 10641 val |= RCVDBDI_MODE_LRG_RING_SZ;
10642 tw32(RCVDBDI_MODE, val);
1da177e4 10643 tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE);
63c3a66f
JP		 10644 if (tg3_flag(tp, HW_TSO_1) ||
10645 tg3_flag(tp, HW_TSO_2) ||
10646 tg3_flag(tp, HW_TSO_3))
1da177e4 10647 tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE | 0x8);
baf8a94a 10648 val = SNDBDI_MODE_ENABLE | SNDBDI_MODE_ATTN_ENABLE;
63c3a66f 10649 if (tg3_flag(tp, ENABLE_TSS))
baf8a94a
MC		 10650 val |= SNDBDI_MODE_MULTI_TXQ_EN;
10651 tw32(SNDBDI_MODE, val);
1da177e4
LT		 10652 tw32(SNDBDS_MODE, SNDBDS_MODE_ENABLE | SNDBDS_MODE_ATTN_ENABLE);
10653
4153577a 10654 if (tg3_chip_rev_id(tp) == CHIPREV_ID_5701_A0) {
1da177e4
LT		 10655 err = tg3_load_5701_a0_firmware_fix(tp);
10656 if (err)
10657 return err;
10658 }
10659
c4dab506
NS		 10660 if (tg3_asic_rev(tp) == ASIC_REV_57766) {
10661 /* Ignore any errors for the firmware download. If download
10662 * fails, the device will operate with EEE disabled
10663 */
10664 tg3_load_57766_firmware(tp);
10665 }
10666
63c3a66f 10667 if (tg3_flag(tp, TSO_CAPABLE)) {
1da177e4
LT		 10668 err = tg3_load_tso_firmware(tp);
10669 if (err)
10670 return err;
10671 }
1da177e4
LT		 10672
10673 tp->tx_mode = TX_MODE_ENABLE;
f2096f94 10674
63c3a66f 10675 if (tg3_flag(tp, 5755_PLUS) ||
4153577a 10676 tg3_asic_rev(tp) == ASIC_REV_5906)
b1d05210 10677 tp->tx_mode |= TX_MODE_MBUF_LOCKUP_FIX;
f2096f94 10678
4153577a
JP		 10679 if (tg3_asic_rev(tp) == ASIC_REV_5720 ||
10680 tg3_asic_rev(tp) == ASIC_REV_5762) {
f2096f94
MC		 10681 val = TX_MODE_JMB_FRM_LEN | TX_MODE_CNT_DN_MODE;
10682 tp->tx_mode &= ~val;
10683 tp->tx_mode |= tr32(MAC_TX_MODE) & val;
10684 }
10685
1da177e4
LT		 10686 tw32_f(MAC_TX_MODE, tp->tx_mode);
10687 udelay(100);
10688
63c3a66f 10689 if (tg3_flag(tp, ENABLE_RSS)) {
39648356
ED		 10690 u32 rss_key[10];
10691
bcebcc46 10692 tg3_rss_write_indir_tbl(tp);
baf8a94a 10693
39648356
ED		 10694 netdev_rss_key_fill(rss_key, 10 * sizeof(u32));
10695
10696 for (i = 0; i < 10 ; i++)
10697 tw32(MAC_RSS_HASH_KEY_0 + i*4, rss_key[i]);
baf8a94a
MC		 10698 }
10699
1da177e4 10700 tp->rx_mode = RX_MODE_ENABLE;
63c3a66f 10701 if (tg3_flag(tp, 5755_PLUS))
af36e6b6
MC		 10702 tp->rx_mode |= RX_MODE_IPV6_CSUM_ENABLE;
10703
378b72c8
NS		 10704 if (tg3_asic_rev(tp) == ASIC_REV_5762)
10705 tp->rx_mode |= RX_MODE_IPV4_FRAG_FIX;
10706
63c3a66f 10707 if (tg3_flag(tp, ENABLE_RSS))
baf8a94a
MC		 10708 tp->rx_mode |= RX_MODE_RSS_ENABLE |
10709 RX_MODE_RSS_ITBL_HASH_BITS_7 |
10710 RX_MODE_RSS_IPV6_HASH_EN |
10711 RX_MODE_RSS_TCP_IPV6_HASH_EN |
10712 RX_MODE_RSS_IPV4_HASH_EN |
10713 RX_MODE_RSS_TCP_IPV4_HASH_EN;
10714
1da177e4
LT		 10715 tw32_f(MAC_RX_MODE, tp->rx_mode);
10716 udelay(10);
10717
1da177e4
LT		 10718 tw32(MAC_LED_CTRL, tp->led_ctrl);
10719
10720 tw32(MAC_MI_STAT, MAC_MI_STAT_LNKSTAT_ATTN_ENAB);
f07e9af3 10721 if (tp->phy_flags & TG3_PHYFLG_PHY_SERDES) {
1da177e4
LT		 10722 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
10723 udelay(10);
10724 }
10725 tw32_f(MAC_RX_MODE, tp->rx_mode);
10726 udelay(10);
10727
f07e9af3 10728 if (tp->phy_flags & TG3_PHYFLG_PHY_SERDES) {
4153577a
JP		 10729 if ((tg3_asic_rev(tp) == ASIC_REV_5704) &&
10730 !(tp->phy_flags & TG3_PHYFLG_SERDES_PREEMPHASIS)) {
1da177e4
LT		 10731 /* Set drive transmission level to 1.2V */
10732 /* only if the signal pre-emphasis bit is not set */
10733 val = tr32(MAC_SERDES_CFG);
10734 val &= 0xfffff000;
10735 val |= 0x880;
10736 tw32(MAC_SERDES_CFG, val);
10737 }
4153577a 10738 if (tg3_chip_rev_id(tp) == CHIPREV_ID_5703_A1)
1da177e4
LT		 10739 tw32(MAC_SERDES_CFG, 0x616000);
10740 }
10741
10742 /* Prevent chip from dropping frames when flow control
10743 * is enabled.
10744 */
55086ad9 10745 if (tg3_flag(tp, 57765_CLASS))
666bc831
MC		 10746 val = 1;
10747 else
10748 val = 2;
10749 tw32_f(MAC_LOW_WMARK_MAX_RX_FRAME, val);
1da177e4 10750
4153577a 10751 if (tg3_asic_rev(tp) == ASIC_REV_5704 &&
f07e9af3 10752 (tp->phy_flags & TG3_PHYFLG_PHY_SERDES)) {
1da177e4 10753 /* Use hardware link auto-negotiation */
63c3a66f 10754 tg3_flag_set(tp, HW_AUTONEG);
1da177e4
LT		 10755 }
10756
f07e9af3 10757 if ((tp->phy_flags & TG3_PHYFLG_MII_SERDES) &&
4153577a 10758 tg3_asic_rev(tp) == ASIC_REV_5714) {
d4d2c558
MC		 10759 u32 tmp;
10760
10761 tmp = tr32(SERDES_RX_CTRL);
10762 tw32(SERDES_RX_CTRL, tmp | SERDES_RX_SIG_DETECT);
10763 tp->grc_local_ctrl &= ~GRC_LCLCTRL_USE_EXT_SIG_DETECT;
10764 tp->grc_local_ctrl |= GRC_LCLCTRL_USE_SIG_DETECT;
10765 tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
10766 }
10767
63c3a66f 10768 if (!tg3_flag(tp, USE_PHYLIB)) {
c6700ce2 10769 if (tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER)
80096068 10770 tp->phy_flags &= ~TG3_PHYFLG_IS_LOW_POWER;
1da177e4 10771
953c96e0 10772 err = tg3_setup_phy(tp, false);
dd477003
MC		 10773 if (err)
10774 return err;
1da177e4 10775
f07e9af3
MC		 10776 if (!(tp->phy_flags & TG3_PHYFLG_PHY_SERDES) &&
10777 !(tp->phy_flags & TG3_PHYFLG_IS_FET)) {
dd477003
MC		 10778 u32 tmp;
10779
10780 /* Clear CRC stats. */
10781 if (!tg3_readphy(tp, MII_TG3_TEST1, &tmp)) {
10782 tg3_writephy(tp, MII_TG3_TEST1,
10783 tmp | MII_TG3_TEST1_CRC_EN);
f08aa1a8 10784 tg3_readphy(tp, MII_TG3_RXR_COUNTERS, &tmp);
dd477003 10785 }
1da177e4
LT		 10786 }
10787 }
10788
10789 __tg3_set_rx_mode(tp->dev);
10790
10791 /* Initialize receive rules. */
10792 tw32(MAC_RCV_RULE_0, 0xc2000000 & RCV_RULE_DISABLE_MASK);
10793 tw32(MAC_RCV_VALUE_0, 0xffffffff & RCV_RULE_DISABLE_MASK);
10794 tw32(MAC_RCV_RULE_1, 0x86000004 & RCV_RULE_DISABLE_MASK);
10795 tw32(MAC_RCV_VALUE_1, 0xffffffff & RCV_RULE_DISABLE_MASK);
10796
63c3a66f 10797 if (tg3_flag(tp, 5705_PLUS) && !tg3_flag(tp, 5780_CLASS))
1da177e4
LT		 10798 limit = 8;
10799 else
10800 limit = 16;
63c3a66f 10801 if (tg3_flag(tp, ENABLE_ASF))
1da177e4
LT		 10802 limit -= 4;
10803 switch (limit) {
10804 case 16:
10805 tw32(MAC_RCV_RULE_15, 0); tw32(MAC_RCV_VALUE_15, 0);
df561f66 10806 fallthrough;
1da177e4
LT		 10807 case 15:
10808 tw32(MAC_RCV_RULE_14, 0); tw32(MAC_RCV_VALUE_14, 0);
df561f66 10809 fallthrough;
1da177e4
LT		 10810 case 14:
10811 tw32(MAC_RCV_RULE_13, 0); tw32(MAC_RCV_VALUE_13, 0);
df561f66 10812 fallthrough;
1da177e4
LT		 10813 case 13:
10814 tw32(MAC_RCV_RULE_12, 0); tw32(MAC_RCV_VALUE_12, 0);
df561f66 10815 fallthrough;
1da177e4
LT		 10816 case 12:
10817 tw32(MAC_RCV_RULE_11, 0); tw32(MAC_RCV_VALUE_11, 0);
df561f66 10818 fallthrough;
1da177e4
LT		 10819 case 11:
10820 tw32(MAC_RCV_RULE_10, 0); tw32(MAC_RCV_VALUE_10, 0);
df561f66 10821 fallthrough;
1da177e4
LT		 10822 case 10:
10823 tw32(MAC_RCV_RULE_9, 0); tw32(MAC_RCV_VALUE_9, 0);
df561f66 10824 fallthrough;
1da177e4
LT		 10825 case 9:
10826 tw32(MAC_RCV_RULE_8, 0); tw32(MAC_RCV_VALUE_8, 0);
df561f66 10827 fallthrough;
1da177e4
LT		 10828 case 8:
10829 tw32(MAC_RCV_RULE_7, 0); tw32(MAC_RCV_VALUE_7, 0);
df561f66 10830 fallthrough;
1da177e4
LT		 10831 case 7:
10832 tw32(MAC_RCV_RULE_6, 0); tw32(MAC_RCV_VALUE_6, 0);
df561f66 10833 fallthrough;
1da177e4
LT		 10834 case 6:
10835 tw32(MAC_RCV_RULE_5, 0); tw32(MAC_RCV_VALUE_5, 0);
df561f66 10836 fallthrough;
1da177e4
LT		 10837 case 5:
10838 tw32(MAC_RCV_RULE_4, 0); tw32(MAC_RCV_VALUE_4, 0);
df561f66 10839 fallthrough;
1da177e4
LT		 10840 case 4:
10841 /* tw32(MAC_RCV_RULE_3, 0); tw32(MAC_RCV_VALUE_3, 0); */
10842 case 3:
10843 /* tw32(MAC_RCV_RULE_2, 0); tw32(MAC_RCV_VALUE_2, 0); */
10844 case 2:
10845 case 1:
10846
10847 default:
10848 break;
855e1111 10849 }
1da177e4 10850
63c3a66f 10851 if (tg3_flag(tp, ENABLE_APE))
9ce768ea
MC		 10852 /* Write our heartbeat update interval to APE. */
10853 tg3_ape_write32(tp, TG3_APE_HOST_HEARTBEAT_INT_MS,
506b0a39 10854 APE_HOST_HEARTBEAT_INT_5SEC);
0d3031d9 10855
1da177e4
LT		 10856 tg3_write_sig_post_reset(tp, RESET_KIND_INIT);
10857
1da177e4
LT		 10858 return 0;
10859}
10860
10861/* Called at device open time to get the chip ready for
10862 * packet processing. Invoked with tp->lock held.
10863 */
953c96e0 10864static int tg3_init_hw(struct tg3 *tp, bool reset_phy)
1da177e4 10865{
df465abf
NS		 10866 /* Chip may have been just powered on. If so, the boot code may still
10867 * be running initialization. Wait for it to finish to avoid races in
10868 * accessing the hardware.
10869 */
10870 tg3_enable_register_access(tp);
10871 tg3_poll_fw(tp);
10872
1da177e4
LT		 10873 tg3_switch_clocks(tp);
10874
10875 tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
10876
2f751b67 10877 return tg3_reset_hw(tp, reset_phy);
1da177e4
LT		 10878}
10879
038e893d 10880#ifdef CONFIG_TIGON3_HWMON
aed93e0b
MC		 10881static void tg3_sd_scan_scratchpad(struct tg3 *tp, struct tg3_ocir *ocir)
10882{
4d2c9994 10883 u32 off, len = TG3_OCIR_LEN;
aed93e0b
MC		 10884 int i;
10885
4d2c9994 10886 for (i = 0, off = 0; i < TG3_SD_NUM_RECS; i++, ocir++, off += len) {
aed93e0b 10887 tg3_ape_scratchpad_read(tp, (u32 *) ocir, off, len);
aed93e0b
MC		 10888
10889 if (ocir->signature != TG3_OCIR_SIG_MAGIC ||
10890 !(ocir->version_flags & TG3_OCIR_FLAG_ACTIVE))
4d2c9994 10891 memset(ocir, 0, len);
aed93e0b
MC		 10892 }
10893}
10894
10895/* sysfs attributes for hwmon */
10896static ssize_t tg3_show_temp(struct device *dev,
10897 struct device_attribute *devattr, char *buf)
10898{
aed93e0b 10899 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
a2f4dfba 10900 struct tg3 *tp = dev_get_drvdata(dev);
aed93e0b
MC		 10901 u32 temperature;
10902
10903 spin_lock_bh(&tp->lock);
10904 tg3_ape_scratchpad_read(tp, &temperature, attr->index,
10905 sizeof(temperature));
10906 spin_unlock_bh(&tp->lock);
d3d11fe0 10907 return sprintf(buf, "%u\n", temperature * 1000);
aed93e0b
MC		 10908}
10909
10910
d3757ba4 10911static SENSOR_DEVICE_ATTR(temp1_input, 0444, tg3_show_temp, NULL,
aed93e0b 10912 TG3_TEMP_SENSOR_OFFSET);
d3757ba4 10913static SENSOR_DEVICE_ATTR(temp1_crit, 0444, tg3_show_temp, NULL,
aed93e0b 10914 TG3_TEMP_CAUTION_OFFSET);
d3757ba4 10915static SENSOR_DEVICE_ATTR(temp1_max, 0444, tg3_show_temp, NULL,
aed93e0b
MC		 10916 TG3_TEMP_MAX_OFFSET);
10917
a2f4dfba 10918static struct attribute *tg3_attrs[] = {
aed93e0b
MC		 10919 &sensor_dev_attr_temp1_input.dev_attr.attr,
10920 &sensor_dev_attr_temp1_crit.dev_attr.attr,
10921 &sensor_dev_attr_temp1_max.dev_attr.attr,
10922 NULL
10923};
a2f4dfba 10924ATTRIBUTE_GROUPS(tg3);
aed93e0b 10925
aed93e0b
MC		 10926static void tg3_hwmon_close(struct tg3 *tp)
10927{
aed93e0b
MC		 10928 if (tp->hwmon_dev) {
10929 hwmon_device_unregister(tp->hwmon_dev);
10930 tp->hwmon_dev = NULL;
aed93e0b 10931 }
aed93e0b
MC		 10932}
10933
10934static void tg3_hwmon_open(struct tg3 *tp)
10935{
a2f4dfba 10936 int i;
aed93e0b
MC		 10937 u32 size = 0;
10938 struct pci_dev *pdev = tp->pdev;
10939 struct tg3_ocir ocirs[TG3_SD_NUM_RECS];
10940
10941 tg3_sd_scan_scratchpad(tp, ocirs);
10942
10943 for (i = 0; i < TG3_SD_NUM_RECS; i++) {
10944 if (!ocirs[i].src_data_length)
10945 continue;
10946
10947 size += ocirs[i].src_hdr_length;
10948 size += ocirs[i].src_data_length;
10949 }
10950
10951 if (!size)
10952 return;
10953
a2f4dfba
GR		 10954 tp->hwmon_dev = hwmon_device_register_with_groups(&pdev->dev, "tg3",
10955 tp, tg3_groups);
aed93e0b
MC		 10956 if (IS_ERR(tp->hwmon_dev)) {
10957 tp->hwmon_dev = NULL;
10958 dev_err(&pdev->dev, "Cannot register hwmon device, aborting\n");
aed93e0b 10959 }
aed93e0b 10960}
038e893d
FF		 10961#else
10962static inline void tg3_hwmon_close(struct tg3 *tp) { }
10963static inline void tg3_hwmon_open(struct tg3 *tp) { }
10964#endif /* CONFIG_TIGON3_HWMON */
aed93e0b
MC		 10965
10966
1da177e4
LT		 10967#define TG3_STAT_ADD32(PSTAT, REG) \
10968do { u32 __val = tr32(REG); \
10969 (PSTAT)->low += __val; \
10970 if ((PSTAT)->low < __val) \
10971 (PSTAT)->high += 1; \
10972} while (0)
10973
10974static void tg3_periodic_fetch_stats(struct tg3 *tp)
10975{
10976 struct tg3_hw_stats *sp = tp->hw_stats;
10977
f4a46d1f 10978 if (!tp->link_up)
1da177e4
LT		 10979 return;
10980
10981 TG3_STAT_ADD32(&sp->tx_octets, MAC_TX_STATS_OCTETS);
10982 TG3_STAT_ADD32(&sp->tx_collisions, MAC_TX_STATS_COLLISIONS);
10983 TG3_STAT_ADD32(&sp->tx_xon_sent, MAC_TX_STATS_XON_SENT);
10984 TG3_STAT_ADD32(&sp->tx_xoff_sent, MAC_TX_STATS_XOFF_SENT);
10985 TG3_STAT_ADD32(&sp->tx_mac_errors, MAC_TX_STATS_MAC_ERRORS);
10986 TG3_STAT_ADD32(&sp->tx_single_collisions, MAC_TX_STATS_SINGLE_COLLISIONS);
10987 TG3_STAT_ADD32(&sp->tx_mult_collisions, MAC_TX_STATS_MULT_COLLISIONS);
10988 TG3_STAT_ADD32(&sp->tx_deferred, MAC_TX_STATS_DEFERRED);
10989 TG3_STAT_ADD32(&sp->tx_excessive_collisions, MAC_TX_STATS_EXCESSIVE_COL);
10990 TG3_STAT_ADD32(&sp->tx_late_collisions, MAC_TX_STATS_LATE_COL);
10991 TG3_STAT_ADD32(&sp->tx_ucast_packets, MAC_TX_STATS_UCAST);
10992 TG3_STAT_ADD32(&sp->tx_mcast_packets, MAC_TX_STATS_MCAST);
10993 TG3_STAT_ADD32(&sp->tx_bcast_packets, MAC_TX_STATS_BCAST);
9bc297ea 10994 if (unlikely(tg3_flag(tp, 5719_5720_RDMA_BUG) &&
091f0ea3
MC		 10995 (sp->tx_ucast_packets.low + sp->tx_mcast_packets.low +
10996 sp->tx_bcast_packets.low) > TG3_NUM_RDMA_CHANNELS)) {
10997 u32 val;
10998
10999 val = tr32(TG3_LSO_RD_DMA_CRPTEN_CTRL);
9bc297ea 11000 val &= ~tg3_lso_rd_dma_workaround_bit(tp);
091f0ea3 11001 tw32(TG3_LSO_RD_DMA_CRPTEN_CTRL, val);
9bc297ea 11002 tg3_flag_clear(tp, 5719_5720_RDMA_BUG);
091f0ea3 11003 }
1da177e4
LT		 11004
11005 TG3_STAT_ADD32(&sp->rx_octets, MAC_RX_STATS_OCTETS);
11006 TG3_STAT_ADD32(&sp->rx_fragments, MAC_RX_STATS_FRAGMENTS);
11007 TG3_STAT_ADD32(&sp->rx_ucast_packets, MAC_RX_STATS_UCAST);
11008 TG3_STAT_ADD32(&sp->rx_mcast_packets, MAC_RX_STATS_MCAST);
11009 TG3_STAT_ADD32(&sp->rx_bcast_packets, MAC_RX_STATS_BCAST);
11010 TG3_STAT_ADD32(&sp->rx_fcs_errors, MAC_RX_STATS_FCS_ERRORS);
11011 TG3_STAT_ADD32(&sp->rx_align_errors, MAC_RX_STATS_ALIGN_ERRORS);
11012 TG3_STAT_ADD32(&sp->rx_xon_pause_rcvd, MAC_RX_STATS_XON_PAUSE_RECVD);
11013 TG3_STAT_ADD32(&sp->rx_xoff_pause_rcvd, MAC_RX_STATS_XOFF_PAUSE_RECVD);
11014 TG3_STAT_ADD32(&sp->rx_mac_ctrl_rcvd, MAC_RX_STATS_MAC_CTRL_RECVD);
11015 TG3_STAT_ADD32(&sp->rx_xoff_entered, MAC_RX_STATS_XOFF_ENTERED);
11016 TG3_STAT_ADD32(&sp->rx_frame_too_long_errors, MAC_RX_STATS_FRAME_TOO_LONG);
11017 TG3_STAT_ADD32(&sp->rx_jabbers, MAC_RX_STATS_JABBERS);
11018 TG3_STAT_ADD32(&sp->rx_undersize_packets, MAC_RX_STATS_UNDERSIZE);
463d305b
MC		 11019
11020 TG3_STAT_ADD32(&sp->rxbds_empty, RCVLPC_NO_RCV_BD_CNT);
4153577a 11021 if (tg3_asic_rev(tp) != ASIC_REV_5717 &&
94962f7f 11022 tg3_asic_rev(tp) != ASIC_REV_5762 &&
4153577a
JP		 11023 tg3_chip_rev_id(tp) != CHIPREV_ID_5719_A0 &&
11024 tg3_chip_rev_id(tp) != CHIPREV_ID_5720_A0) {
4d958473
MC		 11025 TG3_STAT_ADD32(&sp->rx_discards, RCVLPC_IN_DISCARDS_CNT);
11026 } else {
11027 u32 val = tr32(HOSTCC_FLOW_ATTN);
11028 val = (val & HOSTCC_FLOW_ATTN_MBUF_LWM) ? 1 : 0;
11029 if (val) {
11030 tw32(HOSTCC_FLOW_ATTN, HOSTCC_FLOW_ATTN_MBUF_LWM);
11031 sp->rx_discards.low += val;
11032 if (sp->rx_discards.low < val)
11033 sp->rx_discards.high += 1;
11034 }
11035 sp->mbuf_lwm_thresh_hit = sp->rx_discards;
11036 }
463d305b 11037 TG3_STAT_ADD32(&sp->rx_errors, RCVLPC_IN_ERRORS_CNT);
1da177e4
LT		 11038}
11039
0e6cf6a9
MC		 11040static void tg3_chk_missed_msi(struct tg3 *tp)
11041{
11042 u32 i;
11043
11044 for (i = 0; i < tp->irq_cnt; i++) {
11045 struct tg3_napi *tnapi = &tp->napi[i];
11046
11047 if (tg3_has_work(tnapi)) {
11048 if (tnapi->last_rx_cons == tnapi->rx_rcb_ptr &&
11049 tnapi->last_tx_cons == tnapi->tx_cons) {
11050 if (tnapi->chk_msi_cnt < 1) {
11051 tnapi->chk_msi_cnt++;
11052 return;
11053 }
7f230735 11054 tg3_msi(0, tnapi);
0e6cf6a9
MC		 11055 }
11056 }
11057 tnapi->chk_msi_cnt = 0;
11058 tnapi->last_rx_cons = tnapi->rx_rcb_ptr;
11059 tnapi->last_tx_cons = tnapi->tx_cons;
11060 }
11061}
11062
e99e88a9 11063static void tg3_timer(struct timer_list *t)
1da177e4 11064{
41cb0855 11065 struct tg3 *tp = timer_container_of(tp, t, timer);
1da177e4 11066
f47c11ee 11067 spin_lock(&tp->lock);
1da177e4 11068
4fd190a9
PS		 11069 if (tp->irq_sync || tg3_flag(tp, RESET_TASK_PENDING)) {
11070 spin_unlock(&tp->lock);
11071 goto restart_timer;
11072 }
11073
4153577a 11074 if (tg3_asic_rev(tp) == ASIC_REV_5717 ||
55086ad9 11075 tg3_flag(tp, 57765_CLASS))
0e6cf6a9
MC		 11076 tg3_chk_missed_msi(tp);
11077
7e6c63f0
HM		 11078 if (tg3_flag(tp, FLUSH_POSTED_WRITES)) {
11079 /* BCM4785: Flush posted writes from GbE to host memory. */
11080 tr32(HOSTCC_MODE);
11081 }
11082
63c3a66f 11083 if (!tg3_flag(tp, TAGGED_STATUS)) {
fac9b83e
DM		 11084 /* All of this garbage is because when using non-tagged
11085 * IRQ status the mailbox/status_block protocol the chip
11086 * uses with the cpu is race prone.
11087 */
898a56f8 11088 if (tp->napi[0].hw_status->status & SD_STATUS_UPDATED) {
fac9b83e
DM		 11089 tw32(GRC_LOCAL_CTRL,
11090 tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
11091 } else {
11092 tw32(HOSTCC_MODE, tp->coalesce_mode |
fd2ce37f 11093 HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW);
fac9b83e 11094 }
1da177e4 11095
fac9b83e 11096 if (!(tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
f47c11ee 11097 spin_unlock(&tp->lock);
db219973 11098 tg3_reset_task_schedule(tp);
5b190624 11099 goto restart_timer;
fac9b83e 11100 }
1da177e4
LT		 11101 }
11102
1da177e4
LT		 11103 /* This part only runs once per second. */
11104 if (!--tp->timer_counter) {
63c3a66f 11105 if (tg3_flag(tp, 5705_PLUS))
fac9b83e
DM		 11106 tg3_periodic_fetch_stats(tp);
11107
b0c5943f
MC		 11108 if (tp->setlpicnt && !--tp->setlpicnt)
11109 tg3_phy_eee_enable(tp);
52b02d04 11110
63c3a66f 11111 if (tg3_flag(tp, USE_LINKCHG_REG)) {
1da177e4
LT		 11112 u32 mac_stat;
11113 int phy_event;
11114
11115 mac_stat = tr32(MAC_STATUS);
11116
11117 phy_event = 0;
f07e9af3 11118 if (tp->phy_flags & TG3_PHYFLG_USE_MI_INTERRUPT) {
1da177e4
LT		 11119 if (mac_stat & MAC_STATUS_MI_INTERRUPT)
11120 phy_event = 1;
11121 } else if (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)
11122 phy_event = 1;
11123
11124 if (phy_event)
953c96e0 11125 tg3_setup_phy(tp, false);
63c3a66f 11126 } else if (tg3_flag(tp, POLL_SERDES)) {
1da177e4
LT		 11127 u32 mac_stat = tr32(MAC_STATUS);
11128 int need_setup = 0;
11129
f4a46d1f 11130 if (tp->link_up &&
1da177e4
LT		 11131 (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)) {
11132 need_setup = 1;
11133 }
f4a46d1f 11134 if (!tp->link_up &&
1da177e4
LT		 11135 (mac_stat & (MAC_STATUS_PCS_SYNCED |
11136 MAC_STATUS_SIGNAL_DET))) {
11137 need_setup = 1;
11138 }
11139 if (need_setup) {
3d3ebe74
MC		 11140 if (!tp->serdes_counter) {
11141 tw32_f(MAC_MODE,
11142 (tp->mac_mode &
11143 ~MAC_MODE_PORT_MODE_MASK));
11144 udelay(40);
11145 tw32_f(MAC_MODE, tp->mac_mode);
11146 udelay(40);
11147 }
953c96e0 11148 tg3_setup_phy(tp, false);
1da177e4 11149 }
f07e9af3 11150 } else if ((tp->phy_flags & TG3_PHYFLG_MII_SERDES) &&
63c3a66f 11151 tg3_flag(tp, 5780_CLASS)) {
747e8f8b 11152 tg3_serdes_parallel_detect(tp);
1743b83c
NS		 11153 } else if (tg3_flag(tp, POLL_CPMU_LINK)) {
11154 u32 cpmu = tr32(TG3_CPMU_STATUS);
11155 bool link_up = !((cpmu & TG3_CPMU_STATUS_LINK_MASK) ==
11156 TG3_CPMU_STATUS_LINK_MASK);
11157
11158 if (link_up != tp->link_up)
11159 tg3_setup_phy(tp, false);
57d8b880 11160 }
1da177e4
LT		 11161
11162 tp->timer_counter = tp->timer_multiplier;
11163 }
11164
130b8e4d
MC		 11165 /* Heartbeat is only sent once every 2 seconds.
11166 *
11167 * The heartbeat is to tell the ASF firmware that the host
11168 * driver is still alive. In the event that the OS crashes,
11169 * ASF needs to reset the hardware to free up the FIFO space
11170 * that may be filled with rx packets destined for the host.
11171 * If the FIFO is full, ASF will no longer function properly.
11172 *
11173 * Unintended resets have been reported on real time kernels
11174 * where the timer doesn't run on time. Netpoll will also have
11175 * same problem.
11176 *
11177 * The new FWCMD_NICDRV_ALIVE3 command tells the ASF firmware
11178 * to check the ring condition when the heartbeat is expiring
11179 * before doing the reset. This will prevent most unintended
11180 * resets.
11181 */
1da177e4 11182 if (!--tp->asf_counter) {
63c3a66f 11183 if (tg3_flag(tp, ENABLE_ASF) && !tg3_flag(tp, ENABLE_APE)) {
7c5026aa
MC		 11184 tg3_wait_for_event_ack(tp);
11185
bbadf503 11186 tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX,
130b8e4d 11187 FWCMD_NICDRV_ALIVE3);
bbadf503 11188 tg3_write_mem(tp, NIC_SRAM_FW_CMD_LEN_MBOX, 4);
c6cdf436
MC		 11189 tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX,
11190 TG3_FW_UPDATE_TIMEOUT_SEC);
4ba526ce
MC		 11191
11192 tg3_generate_fw_event(tp);
1da177e4
LT		 11193 }
11194 tp->asf_counter = tp->asf_multiplier;
11195 }
11196
506b0a39
PS		 11197 /* Update the APE heartbeat every 5 seconds.*/
11198 tg3_send_ape_heartbeat(tp, TG3_APE_HB_INTERVAL);
11199
f47c11ee 11200 spin_unlock(&tp->lock);
1da177e4 11201
f475f163 11202restart_timer:
1da177e4
LT		 11203 tp->timer.expires = jiffies + tp->timer_offset;
11204 add_timer(&tp->timer);
11205}
11206
229b1ad1 11207static void tg3_timer_init(struct tg3 *tp)
21f7638e
MC		 11208{
11209 if (tg3_flag(tp, TAGGED_STATUS) &&
4153577a 11210 tg3_asic_rev(tp) != ASIC_REV_5717 &&
21f7638e
MC		 11211 !tg3_flag(tp, 57765_CLASS))
11212 tp->timer_offset = HZ;
11213 else
11214 tp->timer_offset = HZ / 10;
11215
11216 BUG_ON(tp->timer_offset > HZ);
11217
11218 tp->timer_multiplier = (HZ / tp->timer_offset);
11219 tp->asf_multiplier = (HZ / tp->timer_offset) *
11220 TG3_FW_UPDATE_FREQ_SEC;
11221
e99e88a9 11222 timer_setup(&tp->timer, tg3_timer, 0);
21f7638e
MC		 11223}
11224
11225static void tg3_timer_start(struct tg3 *tp)
11226{
11227 tp->asf_counter = tp->asf_multiplier;
11228 tp->timer_counter = tp->timer_multiplier;
11229
11230 tp->timer.expires = jiffies + tp->timer_offset;
11231 add_timer(&tp->timer);
11232}
11233
11234static void tg3_timer_stop(struct tg3 *tp)
11235{
8fa7292f 11236 timer_delete_sync(&tp->timer);
21f7638e
MC		 11237}
11238
11239/* Restart hardware after configuration changes, self-test, etc.
11240 * Invoked with tp->lock held.
11241 */
953c96e0 11242static int tg3_restart_hw(struct tg3 *tp, bool reset_phy)
21f7638e
MC		 11243 __releases(tp->lock)
11244 __acquires(tp->lock)
8ed47e4e
JK		 11245 __releases(tp->dev->lock)
11246 __acquires(tp->dev->lock)
21f7638e
MC		 11247{
11248 int err;
11249
11250 err = tg3_init_hw(tp, reset_phy);
11251 if (err) {
11252 netdev_err(tp->dev,
11253 "Failed to re-initialize device, aborting\n");
11254 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
11255 tg3_full_unlock(tp);
11256 tg3_timer_stop(tp);
11257 tp->irq_sync = 0;
11258 tg3_napi_enable(tp);
8ed47e4e 11259 netdev_unlock(tp->dev);
21f7638e 11260 dev_close(tp->dev);
8ed47e4e 11261 netdev_lock(tp->dev);
21f7638e
MC		 11262 tg3_full_lock(tp, 0);
11263 }
11264 return err;
11265}
11266
11267static void tg3_reset_task(struct work_struct *work)
11268{
11269 struct tg3 *tp = container_of(work, struct tg3, reset_task);
11270 int err;
11271
db84bf43 11272 rtnl_lock();
21f7638e
MC		 11273 tg3_full_lock(tp, 0);
11274
16b55b1f
TT		 11275 if (tp->pcierr_recovery || !netif_running(tp->dev) ||
11276 tp->pdev->error_state != pci_channel_io_normal) {
21f7638e
MC		 11277 tg3_flag_clear(tp, RESET_TASK_PENDING);
11278 tg3_full_unlock(tp);
db84bf43 11279 rtnl_unlock();
21f7638e
MC		 11280 return;
11281 }
11282
11283 tg3_full_unlock(tp);
11284
11285 tg3_phy_stop(tp);
11286
11287 tg3_netif_stop(tp);
11288
8ed47e4e 11289 netdev_lock(tp->dev);
21f7638e
MC		 11290 tg3_full_lock(tp, 1);
11291
11292 if (tg3_flag(tp, TX_RECOVERY_PENDING)) {
11293 tp->write32_tx_mbox = tg3_write32_tx_mbox;
11294 tp->write32_rx_mbox = tg3_write_flush_reg32;
11295 tg3_flag_set(tp, MBOX_WRITE_REORDER);
11296 tg3_flag_clear(tp, TX_RECOVERY_PENDING);
11297 }
11298
11299 tg3_halt(tp, RESET_KIND_SHUTDOWN, 0);
953c96e0 11300 err = tg3_init_hw(tp, true);
55669934
MC		 11301 if (err) {
11302 tg3_full_unlock(tp);
11303 tp->irq_sync = 0;
11304 tg3_napi_enable(tp);
11305 /* Clear this flag so that tg3_reset_task_cancel() will not
11306 * call cancel_work_sync() and wait forever.
11307 */
11308 tg3_flag_clear(tp, RESET_TASK_PENDING);
8ed47e4e 11309 netdev_unlock(tp->dev);
55669934 11310 dev_close(tp->dev);
21f7638e 11311 goto out;
55669934 11312 }
21f7638e
MC		 11313
11314 tg3_netif_start(tp);
21f7638e 11315 tg3_full_unlock(tp);
8ed47e4e 11316 netdev_unlock(tp->dev);
fe5d8bd3 11317 tg3_phy_start(tp);
21f7638e 11318 tg3_flag_clear(tp, RESET_TASK_PENDING);
55669934 11319out:
db84bf43 11320 rtnl_unlock();
21f7638e
MC		 11321}
11322
4f125f42 11323static int tg3_request_irq(struct tg3 *tp, int irq_num)
fcfa0a32 11324{
7d12e780 11325 irq_handler_t fn;
fcfa0a32 11326 unsigned long flags;
4f125f42
MC		 11327 char *name;
11328 struct tg3_napi *tnapi = &tp->napi[irq_num];
11329
11330 if (tp->irq_cnt == 1)
11331 name = tp->dev->name;
11332 else {
11333 name = &tnapi->irq_lbl[0];
21e315e1 11334 if (tnapi->tx_buffers && tnapi->rx_rcb)
abb7c98b 11335 snprintf(name, sizeof(tnapi->irq_lbl),
21e315e1
NS		 11336 "%s-txrx-%d", tp->dev->name, irq_num);
11337 else if (tnapi->tx_buffers)
abb7c98b 11338 snprintf(name, sizeof(tnapi->irq_lbl),
21e315e1
NS		 11339 "%s-tx-%d", tp->dev->name, irq_num);
11340 else if (tnapi->rx_rcb)
abb7c98b 11341 snprintf(name, sizeof(tnapi->irq_lbl),
21e315e1
NS		 11342 "%s-rx-%d", tp->dev->name, irq_num);
11343 else
abb7c98b 11344 snprintf(name, sizeof(tnapi->irq_lbl),
21e315e1 11345 "%s-%d", tp->dev->name, irq_num);
4f125f42 11346 }
fcfa0a32 11347
63c3a66f 11348 if (tg3_flag(tp, USING_MSI) || tg3_flag(tp, USING_MSIX)) {
fcfa0a32 11349 fn = tg3_msi;
63c3a66f 11350 if (tg3_flag(tp, 1SHOT_MSI))
fcfa0a32 11351 fn = tg3_msi_1shot;
ab392d2d 11352 flags = 0;
fcfa0a32
MC		 11353 } else {
11354 fn = tg3_interrupt;
63c3a66f 11355 if (tg3_flag(tp, TAGGED_STATUS))
fcfa0a32 11356 fn = tg3_interrupt_tagged;
ab392d2d 11357 flags = IRQF_SHARED;
fcfa0a32 11358 }
4f125f42
MC		 11359
11360 return request_irq(tnapi->irq_vec, fn, flags, name, tnapi);
fcfa0a32
MC		 11361}
11362
7938109f
MC		 11363static int tg3_test_interrupt(struct tg3 *tp)
11364{
09943a18 11365 struct tg3_napi *tnapi = &tp->napi[0];
7938109f 11366 struct net_device *dev = tp->dev;
b16250e3 11367 int err, i, intr_ok = 0;
f6eb9b1f 11368 u32 val;
7938109f 11369
d4bc3927
MC		 11370 if (!netif_running(dev))
11371 return -ENODEV;
11372
7938109f
MC		 11373 tg3_disable_ints(tp);
11374
4f125f42 11375 free_irq(tnapi->irq_vec, tnapi);
7938109f 11376
f6eb9b1f
MC		 11377 /*
11378 * Turn off MSI one shot mode. Otherwise this test has no
11379 * observable way to know whether the interrupt was delivered.
11380 */
3aa1cdf8 11381 if (tg3_flag(tp, 57765_PLUS)) {
f6eb9b1f
MC		 11382 val = tr32(MSGINT_MODE) | MSGINT_MODE_ONE_SHOT_DISABLE;
11383 tw32(MSGINT_MODE, val);
11384 }
11385
4f125f42 11386 err = request_irq(tnapi->irq_vec, tg3_test_isr,
f274fd9a 11387 IRQF_SHARED, dev->name, tnapi);
7938109f
MC		 11388 if (err)
11389 return err;
11390
898a56f8 11391 tnapi->hw_status->status &= ~SD_STATUS_UPDATED;
7938109f
MC		 11392 tg3_enable_ints(tp);
11393
11394 tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
fd2ce37f 11395 tnapi->coal_now);
7938109f
MC		 11396
11397 for (i = 0; i < 5; i++) {
b16250e3
MC		 11398 u32 int_mbox, misc_host_ctrl;
11399
898a56f8 11400 int_mbox = tr32_mailbox(tnapi->int_mbox);
b16250e3
MC		 11401 misc_host_ctrl = tr32(TG3PCI_MISC_HOST_CTRL);
11402
11403 if ((int_mbox != 0) ||
11404 (misc_host_ctrl & MISC_HOST_CTRL_MASK_PCI_INT)) {
11405 intr_ok = 1;
7938109f 11406 break;
b16250e3
MC		 11407 }
11408
3aa1cdf8
MC		 11409 if (tg3_flag(tp, 57765_PLUS) &&
11410 tnapi->hw_status->status_tag != tnapi->last_tag)
11411 tw32_mailbox_f(tnapi->int_mbox, tnapi->last_tag << 24);
11412
7938109f
MC		 11413 msleep(10);
11414 }
11415
11416 tg3_disable_ints(tp);
11417
4f125f42 11418 free_irq(tnapi->irq_vec, tnapi);
6aa20a22 11419
4f125f42 11420 err = tg3_request_irq(tp, 0);
7938109f
MC		 11421
11422 if (err)
11423 return err;
11424
f6eb9b1f
MC		 11425 if (intr_ok) {
11426 /* Reenable MSI one shot mode. */
5b39de91 11427 if (tg3_flag(tp, 57765_PLUS) && tg3_flag(tp, 1SHOT_MSI)) {
f6eb9b1f
MC		 11428 val = tr32(MSGINT_MODE) & ~MSGINT_MODE_ONE_SHOT_DISABLE;
11429 tw32(MSGINT_MODE, val);
11430 }
7938109f 11431 return 0;
f6eb9b1f 11432 }
7938109f
MC		 11433
11434 return -EIO;
11435}
11436
11437/* Returns 0 if MSI test succeeds or MSI test fails and INTx mode is
11438 * successfully restored
11439 */
11440static int tg3_test_msi(struct tg3 *tp)
11441{
7938109f
MC		 11442 int err;
11443 u16 pci_cmd;
11444
63c3a66f 11445 if (!tg3_flag(tp, USING_MSI))
7938109f
MC		 11446 return 0;
11447
11448 /* Turn off SERR reporting in case MSI terminates with Master
11449 * Abort.
11450 */
11451 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
11452 pci_write_config_word(tp->pdev, PCI_COMMAND,
11453 pci_cmd & ~PCI_COMMAND_SERR);
11454
11455 err = tg3_test_interrupt(tp);
11456
11457 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
11458
11459 if (!err)
11460 return 0;
11461
11462 /* other failures */
11463 if (err != -EIO)
11464 return err;
11465
11466 /* MSI test failed, go back to INTx mode */
5129c3a3
MC		 11467 netdev_warn(tp->dev, "No interrupt was generated using MSI. Switching "
11468 "to INTx mode. Please report this failure to the PCI "
11469 "maintainer and include system chipset information\n");
7938109f 11470
4f125f42 11471 free_irq(tp->napi[0].irq_vec, &tp->napi[0]);
09943a18 11472
7938109f
MC		 11473 pci_disable_msi(tp->pdev);
11474
63c3a66f 11475 tg3_flag_clear(tp, USING_MSI);
dc8bf1b1 11476 tp->napi[0].irq_vec = tp->pdev->irq;
7938109f 11477
4f125f42 11478 err = tg3_request_irq(tp, 0);
7938109f
MC		 11479 if (err)
11480 return err;
11481
11482 /* Need to reset the chip because the MSI cycle may have terminated
11483 * with Master Abort.
11484 */
f47c11ee 11485 tg3_full_lock(tp, 1);
7938109f 11486
944d980e 11487 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
953c96e0 11488 err = tg3_init_hw(tp, true);
7938109f 11489
f47c11ee 11490 tg3_full_unlock(tp);
7938109f
MC		 11491
11492 if (err)
4f125f42 11493 free_irq(tp->napi[0].irq_vec, &tp->napi[0]);
7938109f
MC		 11494
11495 return err;
11496}
11497
9e9fd12d
MC		 11498static int tg3_request_firmware(struct tg3 *tp)
11499{
77997ea3 11500 const struct tg3_firmware_hdr *fw_hdr;
9e9fd12d
MC		 11501
11502 if (request_firmware(&tp->fw, tp->fw_needed, &tp->pdev->dev)) {
05dbe005
JP		 11503 netdev_err(tp->dev, "Failed to load firmware \"%s\"\n",
11504 tp->fw_needed);
9e9fd12d
MC		 11505 return -ENOENT;
11506 }
11507
77997ea3 11508 fw_hdr = (struct tg3_firmware_hdr *)tp->fw->data;
9e9fd12d
MC		 11509
11510 /* Firmware blob starts with version numbers, followed by
11511 * start address and _full_ length including BSS sections
11512 * (which must be longer than the actual data, of course
11513 */
11514
77997ea3
NS		 11515 tp->fw_len = be32_to_cpu(fw_hdr->len); /* includes bss */
11516 if (tp->fw_len < (tp->fw->size - TG3_FW_HDR_LEN)) {
05dbe005
JP		 11517 netdev_err(tp->dev, "bogus length %d in \"%s\"\n",
11518 tp->fw_len, tp->fw_needed);
9e9fd12d
MC		 11519 release_firmware(tp->fw);
11520 tp->fw = NULL;
11521 return -EINVAL;
11522 }
11523
11524 /* We no longer need firmware; we have it. */
11525 tp->fw_needed = NULL;
11526 return 0;
11527}
11528
9102426a 11529static u32 tg3_irq_count(struct tg3 *tp)
679563f4 11530{
9102426a 11531 u32 irq_cnt = max(tp->rxq_cnt, tp->txq_cnt);
679563f4 11532
9102426a 11533 if (irq_cnt > 1) {
c3b5003b
MC		 11534 /* We want as many rx rings enabled as there are cpus.
11535 * In multiqueue MSI-X mode, the first MSI-X vector
11536 * only deals with link interrupts, etc, so we add
11537 * one to the number of vectors we are requesting.
11538 */
9102426a 11539 irq_cnt = min_t(unsigned, irq_cnt + 1, tp->irq_max);
c3b5003b 11540 }
679563f4 11541
9102426a
MC		 11542 return irq_cnt;
11543}
11544
11545static bool tg3_enable_msix(struct tg3 *tp)
11546{
11547 int i, rc;
86449944 11548 struct msix_entry msix_ent[TG3_IRQ_MAX_VECS];
9102426a 11549
0968169c
MC		 11550 tp->txq_cnt = tp->txq_req;
11551 tp->rxq_cnt = tp->rxq_req;
11552 if (!tp->rxq_cnt)
11553 tp->rxq_cnt = netif_get_num_default_rss_queues();
9102426a
MC		 11554 if (tp->rxq_cnt > tp->rxq_max)
11555 tp->rxq_cnt = tp->rxq_max;
cf6d6ea6
MC		 11556
11557 /* Disable multiple TX rings by default. Simple round-robin hardware
11558 * scheduling of the TX rings can cause starvation of rings with
11559 * small packets when other rings have TSO or jumbo packets.
11560 */
11561 if (!tp->txq_req)
11562 tp->txq_cnt = 1;
9102426a
MC		 11563
11564 tp->irq_cnt = tg3_irq_count(tp);
11565
679563f4
MC		 11566 for (i = 0; i < tp->irq_max; i++) {
11567 msix_ent[i].entry = i;
11568 msix_ent[i].vector = 0;
11569 }
11570
6f1f411a 11571 rc = pci_enable_msix_range(tp->pdev, msix_ent, 1, tp->irq_cnt);
2430b031
MC		 11572 if (rc < 0) {
11573 return false;
6f1f411a 11574 } else if (rc < tp->irq_cnt) {
05dbe005
JP		 11575 netdev_notice(tp->dev, "Requested %d MSI-X vectors, received %d\n",
11576 tp->irq_cnt, rc);
679563f4 11577 tp->irq_cnt = rc;
49a359e3 11578 tp->rxq_cnt = max(rc - 1, 1);
9102426a
MC		 11579 if (tp->txq_cnt)
11580 tp->txq_cnt = min(tp->rxq_cnt, tp->txq_max);
679563f4
MC		 11581 }
11582
11583 for (i = 0; i < tp->irq_max; i++)
11584 tp->napi[i].irq_vec = msix_ent[i].vector;
11585
49a359e3 11586 if (netif_set_real_num_rx_queues(tp->dev, tp->rxq_cnt)) {
2ddaad39
BH		 11587 pci_disable_msix(tp->pdev);
11588 return false;
11589 }
b92b9040 11590
9102426a
MC		 11591 if (tp->irq_cnt == 1)
11592 return true;
d78b59f5 11593
9102426a
MC		 11594 tg3_flag_set(tp, ENABLE_RSS);
11595
11596 if (tp->txq_cnt > 1)
11597 tg3_flag_set(tp, ENABLE_TSS);
11598
11599 netif_set_real_num_tx_queues(tp->dev, tp->txq_cnt);
2430b031 11600
679563f4
MC		 11601 return true;
11602}
11603
07b0173c
MC		 11604static void tg3_ints_init(struct tg3 *tp)
11605{
63c3a66f
JP		 11606 if ((tg3_flag(tp, SUPPORT_MSI) || tg3_flag(tp, SUPPORT_MSIX)) &&
11607 !tg3_flag(tp, TAGGED_STATUS)) {
07b0173c
MC		 11608 /* All MSI supporting chips should support tagged
11609 * status. Assert that this is the case.
11610 */
5129c3a3
MC		 11611 netdev_warn(tp->dev,
11612 "MSI without TAGGED_STATUS? Not using MSI\n");
679563f4 11613 goto defcfg;
07b0173c 11614 }
4f125f42 11615
63c3a66f
JP		 11616 if (tg3_flag(tp, SUPPORT_MSIX) && tg3_enable_msix(tp))
11617 tg3_flag_set(tp, USING_MSIX);
11618 else if (tg3_flag(tp, SUPPORT_MSI) && pci_enable_msi(tp->pdev) == 0)
11619 tg3_flag_set(tp, USING_MSI);
679563f4 11620
63c3a66f 11621 if (tg3_flag(tp, USING_MSI) || tg3_flag(tp, USING_MSIX)) {
679563f4 11622 u32 msi_mode = tr32(MSGINT_MODE);
63c3a66f 11623 if (tg3_flag(tp, USING_MSIX) && tp->irq_cnt > 1)
baf8a94a 11624 msi_mode |= MSGINT_MODE_MULTIVEC_EN;
5b39de91
MC		 11625 if (!tg3_flag(tp, 1SHOT_MSI))
11626 msi_mode |= MSGINT_MODE_ONE_SHOT_DISABLE;
679563f4
MC		 11627 tw32(MSGINT_MODE, msi_mode | MSGINT_MODE_ENABLE);
11628 }
11629defcfg:
63c3a66f 11630 if (!tg3_flag(tp, USING_MSIX)) {
679563f4
MC		 11631 tp->irq_cnt = 1;
11632 tp->napi[0].irq_vec = tp->pdev->irq;
49a359e3
MC		 11633 }
11634
11635 if (tp->irq_cnt == 1) {
11636 tp->txq_cnt = 1;
11637 tp->rxq_cnt = 1;
2ddaad39 11638 netif_set_real_num_tx_queues(tp->dev, 1);
85407885 11639 netif_set_real_num_rx_queues(tp->dev, 1);
679563f4 11640 }
07b0173c
MC		 11641}
11642
11643static void tg3_ints_fini(struct tg3 *tp)
11644{
63c3a66f 11645 if (tg3_flag(tp, USING_MSIX))
679563f4 11646 pci_disable_msix(tp->pdev);
63c3a66f 11647 else if (tg3_flag(tp, USING_MSI))
679563f4 11648 pci_disable_msi(tp->pdev);
63c3a66f
JP		 11649 tg3_flag_clear(tp, USING_MSI);
11650 tg3_flag_clear(tp, USING_MSIX);
11651 tg3_flag_clear(tp, ENABLE_RSS);
11652 tg3_flag_clear(tp, ENABLE_TSS);
07b0173c
MC		 11653}
11654
be947307
MC		 11655static int tg3_start(struct tg3 *tp, bool reset_phy, bool test_irq,
11656 bool init)
1da177e4 11657{
d8f4cd38 11658 struct net_device *dev = tp->dev;
4f125f42 11659 int i, err;
1da177e4 11660
679563f4
MC		 11661 /*
11662 * Setup interrupts first so we know how
11663 * many NAPI resources to allocate
11664 */
11665 tg3_ints_init(tp);
11666
90415477 11667 tg3_rss_check_indir_tbl(tp);
bcebcc46 11668
1da177e4
LT		 11669 /* The placement of this call is tied
11670 * to the setup and use of Host TX descriptors.
11671 */
11672 err = tg3_alloc_consistent(tp);
11673 if (err)
4a5f46f2 11674 goto out_ints_fini;
88b06bc2 11675
8ed47e4e 11676 netdev_lock(dev);
66cfd1bd
MC		 11677 tg3_napi_init(tp);
11678
fed97810 11679 tg3_napi_enable(tp);
8ed47e4e 11680 netdev_unlock(dev);
1da177e4 11681
4f125f42 11682 for (i = 0; i < tp->irq_cnt; i++) {
4f125f42
MC		 11683 err = tg3_request_irq(tp, i);
11684 if (err) {
5bc09186 11685 for (i--; i >= 0; i--) {
23f48222
CIK		 11686 struct tg3_napi *tnapi = &tp->napi[i];
11687
4f125f42 11688 free_irq(tnapi->irq_vec, tnapi);
5bc09186 11689 }
4a5f46f2 11690 goto out_napi_fini;
4f125f42
MC		 11691 }
11692 }
1da177e4 11693
f47c11ee 11694 tg3_full_lock(tp, 0);
1da177e4 11695
2e460fc0
NS		 11696 if (init)
11697 tg3_ape_driver_state_change(tp, RESET_KIND_INIT);
11698
d8f4cd38 11699 err = tg3_init_hw(tp, reset_phy);
1da177e4 11700 if (err) {
944d980e 11701 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
1da177e4 11702 tg3_free_rings(tp);
1da177e4
LT		 11703 }
11704
f47c11ee 11705 tg3_full_unlock(tp);
1da177e4 11706
07b0173c 11707 if (err)
4a5f46f2 11708 goto out_free_irq;
1da177e4 11709
d8f4cd38 11710 if (test_irq && tg3_flag(tp, USING_MSI)) {
7938109f 11711 err = tg3_test_msi(tp);
fac9b83e 11712
7938109f 11713 if (err) {
f47c11ee 11714 tg3_full_lock(tp, 0);
944d980e 11715 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
7938109f 11716 tg3_free_rings(tp);
f47c11ee 11717 tg3_full_unlock(tp);
7938109f 11718
4a5f46f2 11719 goto out_napi_fini;
7938109f 11720 }
fcfa0a32 11721
63c3a66f 11722 if (!tg3_flag(tp, 57765_PLUS) && tg3_flag(tp, USING_MSI)) {
f6eb9b1f 11723 u32 val = tr32(PCIE_TRANSACTION_CFG);
fcfa0a32 11724
f6eb9b1f
MC		 11725 tw32(PCIE_TRANSACTION_CFG,
11726 val | PCIE_TRANS_CFG_1SHOT_MSI);
fcfa0a32 11727 }
7938109f
MC		 11728 }
11729
b02fd9e3
MC		 11730 tg3_phy_start(tp);
11731
aed93e0b
MC		 11732 tg3_hwmon_open(tp);
11733
f47c11ee 11734 tg3_full_lock(tp, 0);
1da177e4 11735
21f7638e 11736 tg3_timer_start(tp);
63c3a66f 11737 tg3_flag_set(tp, INIT_COMPLETE);
1da177e4
LT		 11738 tg3_enable_ints(tp);
11739
20d14a5d 11740 tg3_ptp_resume(tp);
be947307 11741
f47c11ee 11742 tg3_full_unlock(tp);
1da177e4 11743
fe5f5787 11744 netif_tx_start_all_queues(dev);
1da177e4 11745
06c03c02
MB		 11746 /*
11747 * Reset loopback feature if it was turned on while the device was down
11748 * make sure that it's installed properly now.
11749 */
11750 if (dev->features & NETIF_F_LOOPBACK)
11751 tg3_set_loopback(dev, dev->features);
11752
1da177e4 11753 return 0;
07b0173c 11754
4a5f46f2 11755out_free_irq:
4f125f42
MC		 11756 for (i = tp->irq_cnt - 1; i >= 0; i--) {
11757 struct tg3_napi *tnapi = &tp->napi[i];
11758 free_irq(tnapi->irq_vec, tnapi);
11759 }
07b0173c 11760
4a5f46f2 11761out_napi_fini:
fed97810 11762 tg3_napi_disable(tp);
66cfd1bd 11763 tg3_napi_fini(tp);
07b0173c 11764 tg3_free_consistent(tp);
679563f4 11765
4a5f46f2 11766out_ints_fini:
679563f4 11767 tg3_ints_fini(tp);
d8f4cd38 11768
07b0173c 11769 return err;
1da177e4
LT		 11770}
11771
65138594 11772static void tg3_stop(struct tg3 *tp)
1da177e4 11773{
4f125f42 11774 int i;
1da177e4 11775
db219973 11776 tg3_reset_task_cancel(tp);
bd473da3 11777 tg3_netif_stop(tp);
1da177e4 11778
21f7638e 11779 tg3_timer_stop(tp);
1da177e4 11780
aed93e0b
MC		 11781 tg3_hwmon_close(tp);
11782
24bb4fb6
MC		 11783 tg3_phy_stop(tp);
11784
f47c11ee 11785 tg3_full_lock(tp, 1);
1da177e4
LT		 11786
11787 tg3_disable_ints(tp);
11788
944d980e 11789 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
1da177e4 11790 tg3_free_rings(tp);
63c3a66f 11791 tg3_flag_clear(tp, INIT_COMPLETE);
1da177e4 11792
f47c11ee 11793 tg3_full_unlock(tp);
1da177e4 11794
4f125f42
MC		 11795 for (i = tp->irq_cnt - 1; i >= 0; i--) {
11796 struct tg3_napi *tnapi = &tp->napi[i];
11797 free_irq(tnapi->irq_vec, tnapi);
11798 }
07b0173c
MC		 11799
11800 tg3_ints_fini(tp);
1da177e4 11801
66cfd1bd
MC		 11802 tg3_napi_fini(tp);
11803
1da177e4 11804 tg3_free_consistent(tp);
65138594
MC		 11805}
11806
d8f4cd38
MC		 11807static int tg3_open(struct net_device *dev)
11808{
11809 struct tg3 *tp = netdev_priv(dev);
11810 int err;
11811
0486a063
IV		 11812 if (tp->pcierr_recovery) {
11813 netdev_err(dev, "Failed to open device. PCI error recovery "
11814 "in progress\n");
11815 return -EAGAIN;
11816 }
11817
d8f4cd38
MC		 11818 if (tp->fw_needed) {
11819 err = tg3_request_firmware(tp);
c4dab506
NS		 11820 if (tg3_asic_rev(tp) == ASIC_REV_57766) {
11821 if (err) {
11822 netdev_warn(tp->dev, "EEE capability disabled\n");
11823 tp->phy_flags &= ~TG3_PHYFLG_EEE_CAP;
11824 } else if (!(tp->phy_flags & TG3_PHYFLG_EEE_CAP)) {
11825 netdev_warn(tp->dev, "EEE capability restored\n");
11826 tp->phy_flags |= TG3_PHYFLG_EEE_CAP;
11827 }
11828 } else if (tg3_chip_rev_id(tp) == CHIPREV_ID_5701_A0) {
d8f4cd38
MC		 11829 if (err)
11830 return err;
11831 } else if (err) {
11832 netdev_warn(tp->dev, "TSO capability disabled\n");
11833 tg3_flag_clear(tp, TSO_CAPABLE);
11834 } else if (!tg3_flag(tp, TSO_CAPABLE)) {
11835 netdev_notice(tp->dev, "TSO capability restored\n");
11836 tg3_flag_set(tp, TSO_CAPABLE);
11837 }
11838 }
11839
f4a46d1f 11840 tg3_carrier_off(tp);
d8f4cd38
MC		 11841
11842 err = tg3_power_up(tp);
11843 if (err)
11844 return err;
11845
11846 tg3_full_lock(tp, 0);
11847
11848 tg3_disable_ints(tp);
11849 tg3_flag_clear(tp, INIT_COMPLETE);
11850
11851 tg3_full_unlock(tp);
11852
942d1af0
NS		 11853 err = tg3_start(tp,
11854 !(tp->phy_flags & TG3_PHYFLG_KEEP_LINK_ON_PWRDN),
11855 true, true);
d8f4cd38
MC		 11856 if (err) {
11857 tg3_frob_aux_power(tp, false);
11858 pci_set_power_state(tp->pdev, PCI_D3hot);
11859 }
be947307 11860
07b0173c 11861 return err;
1da177e4
LT		 11862}
11863
1da177e4
LT		 11864static int tg3_close(struct net_device *dev)
11865{
11866 struct tg3 *tp = netdev_priv(dev);
11867
0486a063
IV		 11868 if (tp->pcierr_recovery) {
11869 netdev_err(dev, "Failed to close device. PCI error recovery "
11870 "in progress\n");
11871 return -EAGAIN;
11872 }
11873
65138594 11874 tg3_stop(tp);
1da177e4 11875
8496e85c
RW		 11876 if (pci_device_is_present(tp->pdev)) {
11877 tg3_power_down_prepare(tp);
bc1c7567 11878
8496e85c
RW		 11879 tg3_carrier_off(tp);
11880 }
1da177e4
LT		 11881 return 0;
11882}
11883
511d2224 11884static inline u64 get_stat64(tg3_stat64_t *val)
816f8b86
SB		 11885{
11886 return ((u64)val->high << 32) | ((u64)val->low);
11887}
11888
65ec698d 11889static u64 tg3_calc_crc_errors(struct tg3 *tp)
1da177e4
LT		 11890{
11891 struct tg3_hw_stats *hw_stats = tp->hw_stats;
11892
f07e9af3 11893 if (!(tp->phy_flags & TG3_PHYFLG_PHY_SERDES) &&
4153577a
JP		 11894 (tg3_asic_rev(tp) == ASIC_REV_5700 ||
11895 tg3_asic_rev(tp) == ASIC_REV_5701)) {
1da177e4
LT		 11896 u32 val;
11897
569a5df8
MC		 11898 if (!tg3_readphy(tp, MII_TG3_TEST1, &val)) {
11899 tg3_writephy(tp, MII_TG3_TEST1,
11900 val | MII_TG3_TEST1_CRC_EN);
f08aa1a8 11901 tg3_readphy(tp, MII_TG3_RXR_COUNTERS, &val);
1da177e4
LT		 11902 } else
11903 val = 0;
1da177e4
LT		 11904
11905 tp->phy_crc_errors += val;
11906
11907 return tp->phy_crc_errors;
11908 }
11909
11910 return get_stat64(&hw_stats->rx_fcs_errors);
11911}
11912
11913#define ESTAT_ADD(member) \
11914 estats->member = old_estats->member + \
511d2224 11915 get_stat64(&hw_stats->member)
1da177e4 11916
65ec698d 11917static void tg3_get_estats(struct tg3 *tp, struct tg3_ethtool_stats *estats)
1da177e4 11918{
1da177e4
LT		 11919 struct tg3_ethtool_stats *old_estats = &tp->estats_prev;
11920 struct tg3_hw_stats *hw_stats = tp->hw_stats;
11921
1da177e4
LT		 11922 ESTAT_ADD(rx_octets);
11923 ESTAT_ADD(rx_fragments);
11924 ESTAT_ADD(rx_ucast_packets);
11925 ESTAT_ADD(rx_mcast_packets);
11926 ESTAT_ADD(rx_bcast_packets);
11927 ESTAT_ADD(rx_fcs_errors);
11928 ESTAT_ADD(rx_align_errors);
11929 ESTAT_ADD(rx_xon_pause_rcvd);
11930 ESTAT_ADD(rx_xoff_pause_rcvd);
11931 ESTAT_ADD(rx_mac_ctrl_rcvd);
11932 ESTAT_ADD(rx_xoff_entered);
11933 ESTAT_ADD(rx_frame_too_long_errors);
11934 ESTAT_ADD(rx_jabbers);
11935 ESTAT_ADD(rx_undersize_packets);
11936 ESTAT_ADD(rx_in_length_errors);
11937 ESTAT_ADD(rx_out_length_errors);
11938 ESTAT_ADD(rx_64_or_less_octet_packets);
11939 ESTAT_ADD(rx_65_to_127_octet_packets);
11940 ESTAT_ADD(rx_128_to_255_octet_packets);
11941 ESTAT_ADD(rx_256_to_511_octet_packets);
11942 ESTAT_ADD(rx_512_to_1023_octet_packets);
11943 ESTAT_ADD(rx_1024_to_1522_octet_packets);
11944 ESTAT_ADD(rx_1523_to_2047_octet_packets);
11945 ESTAT_ADD(rx_2048_to_4095_octet_packets);
11946 ESTAT_ADD(rx_4096_to_8191_octet_packets);
11947 ESTAT_ADD(rx_8192_to_9022_octet_packets);
11948
11949 ESTAT_ADD(tx_octets);
11950 ESTAT_ADD(tx_collisions);
11951 ESTAT_ADD(tx_xon_sent);
11952 ESTAT_ADD(tx_xoff_sent);
11953 ESTAT_ADD(tx_flow_control);
11954 ESTAT_ADD(tx_mac_errors);
11955 ESTAT_ADD(tx_single_collisions);
11956 ESTAT_ADD(tx_mult_collisions);
11957 ESTAT_ADD(tx_deferred);
11958 ESTAT_ADD(tx_excessive_collisions);
11959 ESTAT_ADD(tx_late_collisions);
11960 ESTAT_ADD(tx_collide_2times);
11961 ESTAT_ADD(tx_collide_3times);
11962 ESTAT_ADD(tx_collide_4times);
11963 ESTAT_ADD(tx_collide_5times);
11964 ESTAT_ADD(tx_collide_6times);
11965 ESTAT_ADD(tx_collide_7times);
11966 ESTAT_ADD(tx_collide_8times);
11967 ESTAT_ADD(tx_collide_9times);
11968 ESTAT_ADD(tx_collide_10times);
11969 ESTAT_ADD(tx_collide_11times);
11970 ESTAT_ADD(tx_collide_12times);
11971 ESTAT_ADD(tx_collide_13times);
11972 ESTAT_ADD(tx_collide_14times);
11973 ESTAT_ADD(tx_collide_15times);
11974 ESTAT_ADD(tx_ucast_packets);
11975 ESTAT_ADD(tx_mcast_packets);
11976 ESTAT_ADD(tx_bcast_packets);
11977 ESTAT_ADD(tx_carrier_sense_errors);
11978 ESTAT_ADD(tx_discards);
11979 ESTAT_ADD(tx_errors);
11980
11981 ESTAT_ADD(dma_writeq_full);
11982 ESTAT_ADD(dma_write_prioq_full);
11983 ESTAT_ADD(rxbds_empty);
11984 ESTAT_ADD(rx_discards);
11985 ESTAT_ADD(rx_errors);
11986 ESTAT_ADD(rx_threshold_hit);
11987
11988 ESTAT_ADD(dma_readq_full);
11989 ESTAT_ADD(dma_read_prioq_full);
11990 ESTAT_ADD(tx_comp_queue_full);
11991
11992 ESTAT_ADD(ring_set_send_prod_index);
11993 ESTAT_ADD(ring_status_update);
11994 ESTAT_ADD(nic_irqs);
11995 ESTAT_ADD(nic_avoided_irqs);
11996 ESTAT_ADD(nic_tx_threshold_hit);
11997
4452d099 11998 ESTAT_ADD(mbuf_lwm_thresh_hit);
1da177e4
LT		 11999}
12000
65ec698d 12001static void tg3_get_nstats(struct tg3 *tp, struct rtnl_link_stats64 *stats)
1da177e4 12002{
511d2224 12003 struct rtnl_link_stats64 *old_stats = &tp->net_stats_prev;
1da177e4 12004 struct tg3_hw_stats *hw_stats = tp->hw_stats;
907d1bdb
AP		 12005 unsigned long rx_dropped;
12006 unsigned long tx_dropped;
12007 int i;
1da177e4 12008
1da177e4
LT		 12009 stats->rx_packets = old_stats->rx_packets +
12010 get_stat64(&hw_stats->rx_ucast_packets) +
12011 get_stat64(&hw_stats->rx_mcast_packets) +
12012 get_stat64(&hw_stats->rx_bcast_packets);
6aa20a22 12013
1da177e4
LT		 12014 stats->tx_packets = old_stats->tx_packets +
12015 get_stat64(&hw_stats->tx_ucast_packets) +
12016 get_stat64(&hw_stats->tx_mcast_packets) +
12017 get_stat64(&hw_stats->tx_bcast_packets);
12018
12019 stats->rx_bytes = old_stats->rx_bytes +
12020 get_stat64(&hw_stats->rx_octets);
12021 stats->tx_bytes = old_stats->tx_bytes +
12022 get_stat64(&hw_stats->tx_octets);
12023
12024 stats->rx_errors = old_stats->rx_errors +
4f63b877 12025 get_stat64(&hw_stats->rx_errors);
1da177e4
LT		 12026 stats->tx_errors = old_stats->tx_errors +
12027 get_stat64(&hw_stats->tx_errors) +
12028 get_stat64(&hw_stats->tx_mac_errors) +
12029 get_stat64(&hw_stats->tx_carrier_sense_errors) +
12030 get_stat64(&hw_stats->tx_discards);
12031
12032 stats->multicast = old_stats->multicast +
12033 get_stat64(&hw_stats->rx_mcast_packets);
12034 stats->collisions = old_stats->collisions +
12035 get_stat64(&hw_stats->tx_collisions);
12036
12037 stats->rx_length_errors = old_stats->rx_length_errors +
12038 get_stat64(&hw_stats->rx_frame_too_long_errors) +
12039 get_stat64(&hw_stats->rx_undersize_packets);
12040
1da177e4
LT		 12041 stats->rx_frame_errors = old_stats->rx_frame_errors +
12042 get_stat64(&hw_stats->rx_align_errors);
12043 stats->tx_aborted_errors = old_stats->tx_aborted_errors +
12044 get_stat64(&hw_stats->tx_discards);
12045 stats->tx_carrier_errors = old_stats->tx_carrier_errors +
12046 get_stat64(&hw_stats->tx_carrier_sense_errors);
12047
12048 stats->rx_crc_errors = old_stats->rx_crc_errors +
65ec698d 12049 tg3_calc_crc_errors(tp);
1da177e4 12050
4f63b877
JL		 12051 stats->rx_missed_errors = old_stats->rx_missed_errors +
12052 get_stat64(&hw_stats->rx_discards);
12053
907d1bdb
AP		 12054 /* Aggregate per-queue counters. The per-queue counters are updated
12055 * by a single writer, race-free. The result computed by this loop
12056 * might not be 100% accurate (counters can be updated in the middle of
12057 * the loop) but the next tg3_get_nstats() will recompute the current
12058 * value so it is acceptable.
12059 *
12060 * Note that these counters wrap around at 4G on 32bit machines.
12061 */
12062 rx_dropped = (unsigned long)(old_stats->rx_dropped);
12063 tx_dropped = (unsigned long)(old_stats->tx_dropped);
12064
12065 for (i = 0; i < tp->irq_cnt; i++) {
12066 struct tg3_napi *tnapi = &tp->napi[i];
12067
12068 rx_dropped += tnapi->rx_dropped;
12069 tx_dropped += tnapi->tx_dropped;
12070 }
12071
12072 stats->rx_dropped = rx_dropped;
12073 stats->tx_dropped = tx_dropped;
1da177e4
LT		 12074}
12075
1da177e4
LT		 12076static int tg3_get_regs_len(struct net_device *dev)
12077{
97bd8e49 12078 return TG3_REG_BLK_SIZE;
1da177e4
LT		 12079}
12080
12081static void tg3_get_regs(struct net_device *dev,
12082 struct ethtool_regs *regs, void *_p)
12083{
1da177e4 12084 struct tg3 *tp = netdev_priv(dev);
1da177e4
LT		 12085
12086 regs->version = 0;
12087
97bd8e49 12088 memset(_p, 0, TG3_REG_BLK_SIZE);
1da177e4 12089
80096068 12090 if (tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER)
bc1c7567
MC		 12091 return;
12092
f47c11ee 12093 tg3_full_lock(tp, 0);
1da177e4 12094
97bd8e49 12095 tg3_dump_legacy_regs(tp, (u32 *)_p);
1da177e4 12096
f47c11ee 12097 tg3_full_unlock(tp);
1da177e4
LT		 12098}
12099
12100static int tg3_get_eeprom_len(struct net_device *dev)
12101{
12102 struct tg3 *tp = netdev_priv(dev);
12103
12104 return tp->nvram_size;
12105}
12106
1da177e4
LT		 12107static int tg3_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
12108{
12109 struct tg3 *tp = netdev_priv(dev);
506724c4 12110 int ret, cpmu_restore = 0;
1da177e4 12111 u8 *pd;
506724c4 12112 u32 i, offset, len, b_offset, b_count, cpmu_val = 0;
a9dc529d 12113 __be32 val;
1da177e4 12114
63c3a66f 12115 if (tg3_flag(tp, NO_NVRAM))
df259d8c
MC		 12116 return -EINVAL;
12117
1da177e4
LT		 12118 offset = eeprom->offset;
12119 len = eeprom->len;
12120 eeprom->len = 0;
12121
12122 eeprom->magic = TG3_EEPROM_MAGIC;
12123
506724c4
PS		 12124 /* Override clock, link aware and link idle modes */
12125 if (tg3_flag(tp, CPMU_PRESENT)) {
12126 cpmu_val = tr32(TG3_CPMU_CTRL);
12127 if (cpmu_val & (CPMU_CTRL_LINK_AWARE_MODE |
12128 CPMU_CTRL_LINK_IDLE_MODE)) {
12129 tw32(TG3_CPMU_CTRL, cpmu_val &
12130 ~(CPMU_CTRL_LINK_AWARE_MODE |
12131 CPMU_CTRL_LINK_IDLE_MODE));
12132 cpmu_restore = 1;
12133 }
12134 }
12135 tg3_override_clk(tp);
12136
1da177e4
LT		 12137 if (offset & 3) {
12138 /* adjustments to start on required 4 byte boundary */
12139 b_offset = offset & 3;
12140 b_count = 4 - b_offset;
12141 if (b_count > len) {
12142 /* i.e. offset=1 len=2 */
12143 b_count = len;
12144 }
a9dc529d 12145 ret = tg3_nvram_read_be32(tp, offset-b_offset, &val);
1da177e4 12146 if (ret)
506724c4 12147 goto eeprom_done;
be98da6a 12148 memcpy(data, ((char *)&val) + b_offset, b_count);
1da177e4
LT		 12149 len -= b_count;
12150 offset += b_count;
c6cdf436 12151 eeprom->len += b_count;
1da177e4
LT		 12152 }
12153
25985edc 12154 /* read bytes up to the last 4 byte boundary */
1da177e4
LT		 12155 pd = &data[eeprom->len];
12156 for (i = 0; i < (len - (len & 3)); i += 4) {
a9dc529d 12157 ret = tg3_nvram_read_be32(tp, offset + i, &val);
1da177e4 12158 if (ret) {
506724c4
PS		 12159 if (i)
12160 i -= 4;
1da177e4 12161 eeprom->len += i;
506724c4 12162 goto eeprom_done;
1da177e4 12163 }
1da177e4 12164 memcpy(pd + i, &val, 4);
506724c4
PS		 12165 if (need_resched()) {
12166 if (signal_pending(current)) {
12167 eeprom->len += i;
12168 ret = -EINTR;
12169 goto eeprom_done;
12170 }
12171 cond_resched();
12172 }
1da177e4
LT		 12173 }
12174 eeprom->len += i;
12175
12176 if (len & 3) {
12177 /* read last bytes not ending on 4 byte boundary */
12178 pd = &data[eeprom->len];
12179 b_count = len & 3;
12180 b_offset = offset + len - b_count;
a9dc529d 12181 ret = tg3_nvram_read_be32(tp, b_offset, &val);
1da177e4 12182 if (ret)
506724c4 12183 goto eeprom_done;
b9fc7dc5 12184 memcpy(pd, &val, b_count);
1da177e4
LT		 12185 eeprom->len += b_count;
12186 }
506724c4
PS		 12187 ret = 0;
12188
12189eeprom_done:
12190 /* Restore clock, link aware and link idle modes */
12191 tg3_restore_clk(tp);
12192 if (cpmu_restore)
12193 tw32(TG3_CPMU_CTRL, cpmu_val);
12194
12195 return ret;
1da177e4
LT		 12196}
12197
1da177e4
LT		 12198static int tg3_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
12199{
12200 struct tg3 *tp = netdev_priv(dev);
12201 int ret;
b9fc7dc5 12202 u32 offset, len, b_offset, odd_len;
1da177e4 12203 u8 *buf;
e434e041 12204 __be32 start = 0, end;
1da177e4 12205
63c3a66f 12206 if (tg3_flag(tp, NO_NVRAM) ||
df259d8c 12207 eeprom->magic != TG3_EEPROM_MAGIC)
1da177e4
LT		 12208 return -EINVAL;
12209
12210 offset = eeprom->offset;
12211 len = eeprom->len;
12212
12213 if ((b_offset = (offset & 3))) {
12214 /* adjustments to start on required 4 byte boundary */
a9dc529d 12215 ret = tg3_nvram_read_be32(tp, offset-b_offset, &start);
1da177e4
LT		 12216 if (ret)
12217 return ret;
1da177e4
LT		 12218 len += b_offset;
12219 offset &= ~3;
1c8594b4
MC		 12220 if (len < 4)
12221 len = 4;
1da177e4
LT		 12222 }
12223
12224 odd_len = 0;
1c8594b4 12225 if (len & 3) {
1da177e4
LT		 12226 /* adjustments to end on required 4 byte boundary */
12227 odd_len = 1;
12228 len = (len + 3) & ~3;
a9dc529d 12229 ret = tg3_nvram_read_be32(tp, offset+len-4, &end);
1da177e4
LT		 12230 if (ret)
12231 return ret;
1da177e4
LT		 12232 }
12233
12234 buf = data;
12235 if (b_offset || odd_len) {
12236 buf = kmalloc(len, GFP_KERNEL);
ab0049b4 12237 if (!buf)
1da177e4
LT		 12238 return -ENOMEM;
12239 if (b_offset)
12240 memcpy(buf, &start, 4);
12241 if (odd_len)
12242 memcpy(buf+len-4, &end, 4);
12243 memcpy(buf + b_offset, data, eeprom->len);
12244 }
12245
12246 ret = tg3_nvram_write_block(tp, offset, len, buf);
12247
12248 if (buf != data)
12249 kfree(buf);
12250
12251 return ret;
12252}
12253
b6f5be28
PR		 12254static int tg3_get_link_ksettings(struct net_device *dev,
12255 struct ethtool_link_ksettings *cmd)
1da177e4 12256{
b02fd9e3 12257 struct tg3 *tp = netdev_priv(dev);
b6f5be28 12258 u32 supported, advertising;
b02fd9e3 12259
63c3a66f 12260 if (tg3_flag(tp, USE_PHYLIB)) {
3f0e3ad7 12261 struct phy_device *phydev;
f07e9af3 12262 if (!(tp->phy_flags & TG3_PHYFLG_IS_CONNECTED))
b02fd9e3 12263 return -EAGAIN;
7f854420 12264 phydev = mdiobus_get_phy(tp->mdio_bus, tp->phy_addr);
5514174f 12265 phy_ethtool_ksettings_get(phydev, cmd);
12266
12267 return 0;
b02fd9e3 12268 }
6aa20a22 12269
b6f5be28 12270 supported = (SUPPORTED_Autoneg);
1da177e4 12271
f07e9af3 12272 if (!(tp->phy_flags & TG3_PHYFLG_10_100_ONLY))
b6f5be28
PR		 12273 supported |= (SUPPORTED_1000baseT_Half |
12274 SUPPORTED_1000baseT_Full);
1da177e4 12275
f07e9af3 12276 if (!(tp->phy_flags & TG3_PHYFLG_ANY_SERDES)) {
b6f5be28
PR		 12277 supported |= (SUPPORTED_100baseT_Half |
12278 SUPPORTED_100baseT_Full |
12279 SUPPORTED_10baseT_Half |
12280 SUPPORTED_10baseT_Full |
12281 SUPPORTED_TP);
12282 cmd->base.port = PORT_TP;
ef348144 12283 } else {
b6f5be28
PR		 12284 supported |= SUPPORTED_FIBRE;
12285 cmd->base.port = PORT_FIBRE;
ef348144 12286 }
b6f5be28
PR		 12287 ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
12288 supported);
6aa20a22 12289
b6f5be28 12290 advertising = tp->link_config.advertising;
5bb09778
MC		 12291 if (tg3_flag(tp, PAUSE_AUTONEG)) {
12292 if (tp->link_config.flowctrl & FLOW_CTRL_RX) {
12293 if (tp->link_config.flowctrl & FLOW_CTRL_TX) {
b6f5be28 12294 advertising |= ADVERTISED_Pause;
5bb09778 12295 } else {
b6f5be28
PR		 12296 advertising |= ADVERTISED_Pause |
12297 ADVERTISED_Asym_Pause;
5bb09778
MC		 12298 }
12299 } else if (tp->link_config.flowctrl & FLOW_CTRL_TX) {
b6f5be28 12300 advertising |= ADVERTISED_Asym_Pause;
5bb09778
MC		 12301 }
12302 }
b6f5be28
PR		 12303 ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,
12304 advertising);
12305
f4a46d1f 12306 if (netif_running(dev) && tp->link_up) {
b6f5be28
PR		 12307 cmd->base.speed = tp->link_config.active_speed;
12308 cmd->base.duplex = tp->link_config.active_duplex;
12309 ethtool_convert_legacy_u32_to_link_mode(
12310 cmd->link_modes.lp_advertising,
12311 tp->link_config.rmt_adv);
12312
e348c5e7
MC		 12313 if (!(tp->phy_flags & TG3_PHYFLG_ANY_SERDES)) {
12314 if (tp->phy_flags & TG3_PHYFLG_MDIX_STATE)
b6f5be28 12315 cmd->base.eth_tp_mdix = ETH_TP_MDI_X;
e348c5e7 12316 else
b6f5be28 12317 cmd->base.eth_tp_mdix = ETH_TP_MDI;
e348c5e7 12318 }
64c22182 12319 } else {
b6f5be28
PR		 12320 cmd->base.speed = SPEED_UNKNOWN;
12321 cmd->base.duplex = DUPLEX_UNKNOWN;
12322 cmd->base.eth_tp_mdix = ETH_TP_MDI_INVALID;
12323 }
12324 cmd->base.phy_address = tp->phy_addr;
12325 cmd->base.autoneg = tp->link_config.autoneg;
1da177e4
LT		 12326 return 0;
12327}
6aa20a22 12328
b6f5be28
PR		 12329static int tg3_set_link_ksettings(struct net_device *dev,
12330 const struct ethtool_link_ksettings *cmd)
1da177e4
LT		 12331{
12332 struct tg3 *tp = netdev_priv(dev);
b6f5be28
PR		 12333 u32 speed = cmd->base.speed;
12334 u32 advertising;
6aa20a22 12335
63c3a66f 12336 if (tg3_flag(tp, USE_PHYLIB)) {
3f0e3ad7 12337 struct phy_device *phydev;
f07e9af3 12338 if (!(tp->phy_flags & TG3_PHYFLG_IS_CONNECTED))
b02fd9e3 12339 return -EAGAIN;
7f854420 12340 phydev = mdiobus_get_phy(tp->mdio_bus, tp->phy_addr);
b6f5be28 12341 return phy_ethtool_ksettings_set(phydev, cmd);
b02fd9e3
MC		 12342 }
12343
b6f5be28
PR		 12344 if (cmd->base.autoneg != AUTONEG_ENABLE &&
12345 cmd->base.autoneg != AUTONEG_DISABLE)
37ff238d 12346 return -EINVAL;
7e5856bd 12347
b6f5be28
PR		 12348 if (cmd->base.autoneg == AUTONEG_DISABLE &&
12349 cmd->base.duplex != DUPLEX_FULL &&
12350 cmd->base.duplex != DUPLEX_HALF)
37ff238d 12351 return -EINVAL;
1da177e4 12352
b6f5be28
PR		 12353 ethtool_convert_link_mode_to_legacy_u32(&advertising,
12354 cmd->link_modes.advertising);
12355
12356 if (cmd->base.autoneg == AUTONEG_ENABLE) {
7e5856bd
MC		 12357 u32 mask = ADVERTISED_Autoneg |
12358 ADVERTISED_Pause |
12359 ADVERTISED_Asym_Pause;
12360
f07e9af3 12361 if (!(tp->phy_flags & TG3_PHYFLG_10_100_ONLY))
7e5856bd
MC		 12362 mask |= ADVERTISED_1000baseT_Half |
12363 ADVERTISED_1000baseT_Full;
12364
f07e9af3 12365 if (!(tp->phy_flags & TG3_PHYFLG_ANY_SERDES))
7e5856bd
MC		 12366 mask |= ADVERTISED_100baseT_Half |
12367 ADVERTISED_100baseT_Full |
12368 ADVERTISED_10baseT_Half |
12369 ADVERTISED_10baseT_Full |
12370 ADVERTISED_TP;
12371 else
12372 mask |= ADVERTISED_FIBRE;
12373
b6f5be28 12374 if (advertising & ~mask)
7e5856bd
MC		 12375 return -EINVAL;
12376
12377 mask &= (ADVERTISED_1000baseT_Half |
12378 ADVERTISED_1000baseT_Full |
12379 ADVERTISED_100baseT_Half |
12380 ADVERTISED_100baseT_Full |
12381 ADVERTISED_10baseT_Half |
12382 ADVERTISED_10baseT_Full);
12383
b6f5be28 12384 advertising &= mask;
7e5856bd 12385 } else {
f07e9af3 12386 if (tp->phy_flags & TG3_PHYFLG_ANY_SERDES) {
25db0338 12387 if (speed != SPEED_1000)
7e5856bd
MC		 12388 return -EINVAL;
12389
b6f5be28 12390 if (cmd->base.duplex != DUPLEX_FULL)
7e5856bd
MC		 12391 return -EINVAL;
12392 } else {
25db0338
DD		 12393 if (speed != SPEED_100 &&
12394 speed != SPEED_10)
7e5856bd
MC		 12395 return -EINVAL;
12396 }
12397 }
12398
f47c11ee 12399 tg3_full_lock(tp, 0);
1da177e4 12400
b6f5be28
PR		 12401 tp->link_config.autoneg = cmd->base.autoneg;
12402 if (cmd->base.autoneg == AUTONEG_ENABLE) {
12403 tp->link_config.advertising = (advertising |
405d8e5c 12404 ADVERTISED_Autoneg);
e740522e
MC		 12405 tp->link_config.speed = SPEED_UNKNOWN;
12406 tp->link_config.duplex = DUPLEX_UNKNOWN;
1da177e4
LT		 12407 } else {
12408 tp->link_config.advertising = 0;
25db0338 12409 tp->link_config.speed = speed;
b6f5be28 12410 tp->link_config.duplex = cmd->base.duplex;
b02fd9e3 12411 }
6aa20a22 12412
fdad8de4
NS		 12413 tp->phy_flags |= TG3_PHYFLG_USER_CONFIGURED;
12414
ce20f161
NS		 12415 tg3_warn_mgmt_link_flap(tp);
12416
1da177e4 12417 if (netif_running(dev))
953c96e0 12418 tg3_setup_phy(tp, true);
1da177e4 12419
f47c11ee 12420 tg3_full_unlock(tp);
6aa20a22 12421
1da177e4
LT		 12422 return 0;
12423}
6aa20a22 12424
1da177e4
LT		 12425static void tg3_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
12426{
12427 struct tg3 *tp = netdev_priv(dev);
6aa20a22 12428
f029c781
WS		 12429 strscpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver));
12430 strscpy(info->fw_version, tp->fw_ver, sizeof(info->fw_version));
12431 strscpy(info->bus_info, pci_name(tp->pdev), sizeof(info->bus_info));
1da177e4 12432}
6aa20a22 12433
1da177e4
LT		 12434static void tg3_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
12435{
12436 struct tg3 *tp = netdev_priv(dev);
6aa20a22 12437
63c3a66f 12438 if (tg3_flag(tp, WOL_CAP) && device_can_wakeup(&tp->pdev->dev))
a85feb8c
GZ		 12439 wol->supported = WAKE_MAGIC;
12440 else
12441 wol->supported = 0;
1da177e4 12442 wol->wolopts = 0;
63c3a66f 12443 if (tg3_flag(tp, WOL_ENABLE) && device_can_wakeup(&tp->pdev->dev))
1da177e4
LT		 12444 wol->wolopts = WAKE_MAGIC;
12445 memset(&wol->sopass, 0, sizeof(wol->sopass));
12446}
6aa20a22 12447
1da177e4
LT		 12448static int tg3_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
12449{
12450 struct tg3 *tp = netdev_priv(dev);
12dac075 12451 struct device *dp = &tp->pdev->dev;
6aa20a22 12452
1da177e4
LT		 12453 if (wol->wolopts & ~WAKE_MAGIC)
12454 return -EINVAL;
12455 if ((wol->wolopts & WAKE_MAGIC) &&
63c3a66f 12456 !(tg3_flag(tp, WOL_CAP) && device_can_wakeup(dp)))
1da177e4 12457 return -EINVAL;
6aa20a22 12458
f2dc0d18
RW		 12459 device_set_wakeup_enable(dp, wol->wolopts & WAKE_MAGIC);
12460
f2dc0d18 12461 if (device_may_wakeup(dp))
63c3a66f 12462 tg3_flag_set(tp, WOL_ENABLE);
f2dc0d18 12463 else
63c3a66f 12464 tg3_flag_clear(tp, WOL_ENABLE);
6aa20a22 12465
1da177e4
LT		 12466 return 0;
12467}
6aa20a22 12468
1da177e4
LT		 12469static u32 tg3_get_msglevel(struct net_device *dev)
12470{
12471 struct tg3 *tp = netdev_priv(dev);
12472 return tp->msg_enable;
12473}
6aa20a22 12474
1da177e4
LT		 12475static void tg3_set_msglevel(struct net_device *dev, u32 value)
12476{
12477 struct tg3 *tp = netdev_priv(dev);
12478 tp->msg_enable = value;
12479}
6aa20a22 12480
1da177e4
LT		 12481static int tg3_nway_reset(struct net_device *dev)
12482{
12483 struct tg3 *tp = netdev_priv(dev);
1da177e4 12484 int r;
6aa20a22 12485
1da177e4
LT		 12486 if (!netif_running(dev))
12487 return -EAGAIN;
12488
f07e9af3 12489 if (tp->phy_flags & TG3_PHYFLG_PHY_SERDES)
c94e3941
MC		 12490 return -EINVAL;
12491
ce20f161
NS		 12492 tg3_warn_mgmt_link_flap(tp);
12493
63c3a66f 12494 if (tg3_flag(tp, USE_PHYLIB)) {
f07e9af3 12495 if (!(tp->phy_flags & TG3_PHYFLG_IS_CONNECTED))
b02fd9e3 12496 return -EAGAIN;
7f854420 12497 r = phy_start_aneg(mdiobus_get_phy(tp->mdio_bus, tp->phy_addr));
b02fd9e3
MC		 12498 } else {
12499 u32 bmcr;
12500
12501 spin_lock_bh(&tp->lock);
12502 r = -EINVAL;
12503 tg3_readphy(tp, MII_BMCR, &bmcr);
12504 if (!tg3_readphy(tp, MII_BMCR, &bmcr) &&
12505 ((bmcr & BMCR_ANENABLE) ||
f07e9af3 12506 (tp->phy_flags & TG3_PHYFLG_PARALLEL_DETECT))) {
b02fd9e3
MC		 12507 tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANRESTART |
12508 BMCR_ANENABLE);
12509 r = 0;
12510 }
12511 spin_unlock_bh(&tp->lock);
1da177e4 12512 }
6aa20a22 12513
1da177e4
LT		 12514 return r;
12515}
6aa20a22 12516
74624944
HC		 12517static void tg3_get_ringparam(struct net_device *dev,
12518 struct ethtool_ringparam *ering,
12519 struct kernel_ethtool_ringparam *kernel_ering,
12520 struct netlink_ext_ack *extack)
1da177e4
LT		 12521{
12522 struct tg3 *tp = netdev_priv(dev);
6aa20a22 12523
2c49a44d 12524 ering->rx_max_pending = tp->rx_std_ring_mask;
63c3a66f 12525 if (tg3_flag(tp, JUMBO_RING_ENABLE))
2c49a44d 12526 ering->rx_jumbo_max_pending = tp->rx_jmb_ring_mask;
4f81c32b
MC		 12527 else
12528 ering->rx_jumbo_max_pending = 0;
12529
12530 ering->tx_max_pending = TG3_TX_RING_SIZE - 1;
1da177e4
LT		 12531
12532 ering->rx_pending = tp->rx_pending;
63c3a66f 12533 if (tg3_flag(tp, JUMBO_RING_ENABLE))
4f81c32b
MC		 12534 ering->rx_jumbo_pending = tp->rx_jumbo_pending;
12535 else
12536 ering->rx_jumbo_pending = 0;
12537
f3f3f27e 12538 ering->tx_pending = tp->napi[0].tx_pending;
1da177e4 12539}
6aa20a22 12540
74624944
HC		 12541static int tg3_set_ringparam(struct net_device *dev,
12542 struct ethtool_ringparam *ering,
12543 struct kernel_ethtool_ringparam *kernel_ering,
12544 struct netlink_ext_ack *extack)
1da177e4
LT		 12545{
12546 struct tg3 *tp = netdev_priv(dev);
646c9edd 12547 int i, irq_sync = 0, err = 0;
59663e42 12548 bool reset_phy = false;
6aa20a22 12549
2c49a44d
MC		 12550 if ((ering->rx_pending > tp->rx_std_ring_mask) ||
12551 (ering->rx_jumbo_pending > tp->rx_jmb_ring_mask) ||
bc3a9254
MC		 12552 (ering->tx_pending > TG3_TX_RING_SIZE - 1) ||
12553 (ering->tx_pending <= MAX_SKB_FRAGS) ||
63c3a66f 12554 (tg3_flag(tp, TSO_BUG) &&
bc3a9254 12555 (ering->tx_pending <= (MAX_SKB_FRAGS * 3))))
1da177e4 12556 return -EINVAL;
6aa20a22 12557
bbe832c0 12558 if (netif_running(dev)) {
b02fd9e3 12559 tg3_phy_stop(tp);
1da177e4 12560 tg3_netif_stop(tp);
bbe832c0
MC		 12561 irq_sync = 1;
12562 }
1da177e4 12563
8ed47e4e 12564 netdev_lock(dev);
bbe832c0 12565 tg3_full_lock(tp, irq_sync);
6aa20a22 12566
1da177e4
LT		 12567 tp->rx_pending = ering->rx_pending;
12568
63c3a66f 12569 if (tg3_flag(tp, MAX_RXPEND_64) &&
1da177e4
LT		 12570 tp->rx_pending > 63)
12571 tp->rx_pending = 63;
ba67b510
IV		 12572
12573 if (tg3_flag(tp, JUMBO_RING_ENABLE))
12574 tp->rx_jumbo_pending = ering->rx_jumbo_pending;
646c9edd 12575
6fd45cb8 12576 for (i = 0; i < tp->irq_max; i++)
646c9edd 12577 tp->napi[i].tx_pending = ering->tx_pending;
1da177e4
LT		 12578
12579 if (netif_running(dev)) {
944d980e 12580 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
59663e42
SRK		 12581 /* Reset PHY to avoid PHY lock up */
12582 if (tg3_asic_rev(tp) == ASIC_REV_5717 ||
12583 tg3_asic_rev(tp) == ASIC_REV_5719 ||
12584 tg3_asic_rev(tp) == ASIC_REV_5720)
12585 reset_phy = true;
12586
12587 err = tg3_restart_hw(tp, reset_phy);
b9ec6c1b
MC		 12588 if (!err)
12589 tg3_netif_start(tp);
1da177e4
LT		 12590 }
12591
f47c11ee 12592 tg3_full_unlock(tp);
8ed47e4e 12593 netdev_unlock(dev);
6aa20a22 12594
b02fd9e3
MC		 12595 if (irq_sync && !err)
12596 tg3_phy_start(tp);
12597
b9ec6c1b 12598 return err;
1da177e4 12599}
6aa20a22 12600
1da177e4
LT		 12601static void tg3_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
12602{
12603 struct tg3 *tp = netdev_priv(dev);
6aa20a22 12604
63c3a66f 12605 epause->autoneg = !!tg3_flag(tp, PAUSE_AUTONEG);
8d018621 12606
4a2db503 12607 if (tp->link_config.flowctrl & FLOW_CTRL_RX)
8d018621
MC		 12608 epause->rx_pause = 1;
12609 else
12610 epause->rx_pause = 0;
12611
4a2db503 12612 if (tp->link_config.flowctrl & FLOW_CTRL_TX)
8d018621
MC		 12613 epause->tx_pause = 1;
12614 else
12615 epause->tx_pause = 0;
1da177e4 12616}
6aa20a22 12617
1da177e4
LT		 12618static int tg3_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
12619{
12620 struct tg3 *tp = netdev_priv(dev);
b02fd9e3 12621 int err = 0;
59663e42 12622 bool reset_phy = false;
6aa20a22 12623
ce20f161
NS		 12624 if (tp->link_config.autoneg == AUTONEG_ENABLE)
12625 tg3_warn_mgmt_link_flap(tp);
12626
63c3a66f 12627 if (tg3_flag(tp, USE_PHYLIB)) {
2712168f 12628 struct phy_device *phydev;
1da177e4 12629
7f854420 12630 phydev = mdiobus_get_phy(tp->mdio_bus, tp->phy_addr);
f47c11ee 12631
22b7d299 12632 if (!phy_validate_pause(phydev, epause))
2712168f 12633 return -EINVAL;
1da177e4 12634
2712168f 12635 tp->link_config.flowctrl = 0;
70814e81 12636 phy_set_asym_pause(phydev, epause->rx_pause, epause->tx_pause);
2712168f
MC		 12637 if (epause->rx_pause) {
12638 tp->link_config.flowctrl |= FLOW_CTRL_RX;
12639
12640 if (epause->tx_pause) {
12641 tp->link_config.flowctrl |= FLOW_CTRL_TX;
70814e81 12642 }
2712168f
MC		 12643 } else if (epause->tx_pause) {
12644 tp->link_config.flowctrl |= FLOW_CTRL_TX;
70814e81 12645 }
2712168f
MC		 12646
12647 if (epause->autoneg)
63c3a66f 12648 tg3_flag_set(tp, PAUSE_AUTONEG);
2712168f 12649 else
63c3a66f 12650 tg3_flag_clear(tp, PAUSE_AUTONEG);
2712168f 12651
f07e9af3 12652 if (tp->phy_flags & TG3_PHYFLG_IS_CONNECTED) {
70814e81
AL		 12653 if (phydev->autoneg) {
12654 /* phy_set_asym_pause() will
12655 * renegotiate the link to inform our
12656 * link partner of our flow control
12657 * settings, even if the flow control
12658 * is forced. Let tg3_adjust_link()
12659 * do the final flow control setup.
12660 */
12661 return 0;
b02fd9e3 12662 }
b02fd9e3 12663
2712168f 12664 if (!epause->autoneg)
b02fd9e3
MC		 12665 tg3_setup_flow_control(tp, 0, 0);
12666 }
12667 } else {
12668 int irq_sync = 0;
12669
12670 if (netif_running(dev)) {
12671 tg3_netif_stop(tp);
12672 irq_sync = 1;
12673 }
12674
8ed47e4e 12675 netdev_lock(dev);
b02fd9e3
MC		 12676 tg3_full_lock(tp, irq_sync);
12677
12678 if (epause->autoneg)
63c3a66f 12679 tg3_flag_set(tp, PAUSE_AUTONEG);
b02fd9e3 12680 else
63c3a66f 12681 tg3_flag_clear(tp, PAUSE_AUTONEG);
b02fd9e3 12682 if (epause->rx_pause)
e18ce346 12683 tp->link_config.flowctrl |= FLOW_CTRL_RX;
b02fd9e3 12684 else
e18ce346 12685 tp->link_config.flowctrl &= ~FLOW_CTRL_RX;
b02fd9e3 12686 if (epause->tx_pause)
e18ce346 12687 tp->link_config.flowctrl |= FLOW_CTRL_TX;
b02fd9e3 12688 else
e18ce346 12689 tp->link_config.flowctrl &= ~FLOW_CTRL_TX;
b02fd9e3
MC		 12690
12691 if (netif_running(dev)) {
12692 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
59663e42
SRK		 12693 /* Reset PHY to avoid PHY lock up */
12694 if (tg3_asic_rev(tp) == ASIC_REV_5717 ||
12695 tg3_asic_rev(tp) == ASIC_REV_5719 ||
12696 tg3_asic_rev(tp) == ASIC_REV_5720)
12697 reset_phy = true;
12698
12699 err = tg3_restart_hw(tp, reset_phy);
b02fd9e3
MC		 12700 if (!err)
12701 tg3_netif_start(tp);
12702 }
12703
12704 tg3_full_unlock(tp);
8ed47e4e 12705 netdev_unlock(dev);
b02fd9e3 12706 }
6aa20a22 12707
fdad8de4
NS		 12708 tp->phy_flags |= TG3_PHYFLG_USER_CONFIGURED;
12709
b9ec6c1b 12710 return err;
1da177e4 12711}
6aa20a22 12712
de6f31eb 12713static int tg3_get_sset_count(struct net_device *dev, int sset)
1da177e4 12714{
b9f2c044
JG		 12715 switch (sset) {
12716 case ETH_SS_TEST:
12717 return TG3_NUM_TEST;
12718 case ETH_SS_STATS:
12719 return TG3_NUM_STATS;
12720 default:
12721 return -EOPNOTSUPP;
12722 }
4cafd3f5
MC		 12723}
12724
90415477
MC		 12725static int tg3_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info,
12726 u32 *rules __always_unused)
12727{
12728 struct tg3 *tp = netdev_priv(dev);
12729
12730 if (!tg3_flag(tp, SUPPORT_MSIX))
12731 return -EOPNOTSUPP;
12732
12733 switch (info->cmd) {
12734 case ETHTOOL_GRXRINGS:
12735 if (netif_running(tp->dev))
9102426a 12736 info->data = tp->rxq_cnt;
90415477
MC		 12737 else {
12738 info->data = num_online_cpus();
9102426a
MC		 12739 if (info->data > TG3_RSS_MAX_NUM_QS)
12740 info->data = TG3_RSS_MAX_NUM_QS;
90415477
MC		 12741 }
12742
90415477
MC		 12743 return 0;
12744
12745 default:
12746 return -EOPNOTSUPP;
12747 }
12748}
12749
12750static u32 tg3_get_rxfh_indir_size(struct net_device *dev)
12751{
12752 u32 size = 0;
12753 struct tg3 *tp = netdev_priv(dev);
12754
12755 if (tg3_flag(tp, SUPPORT_MSIX))
12756 size = TG3_RSS_INDIR_TBL_SIZE;
12757
12758 return size;
12759}
12760
fb6e30a7 12761static int tg3_get_rxfh(struct net_device *dev, struct ethtool_rxfh_param *rxfh)
90415477
MC		 12762{
12763 struct tg3 *tp = netdev_priv(dev);
12764 int i;
12765
fb6e30a7
AZ		 12766 rxfh->hfunc = ETH_RSS_HASH_TOP;
12767 if (!rxfh->indir)
892311f6
EP		 12768 return 0;
12769
90415477 12770 for (i = 0; i < TG3_RSS_INDIR_TBL_SIZE; i++)
fb6e30a7 12771 rxfh->indir[i] = tp->rss_ind_tbl[i];
90415477
MC		 12772
12773 return 0;
12774}
12775
fb6e30a7
AZ		 12776static int tg3_set_rxfh(struct net_device *dev, struct ethtool_rxfh_param *rxfh,
12777 struct netlink_ext_ack *extack)
90415477
MC		 12778{
12779 struct tg3 *tp = netdev_priv(dev);
12780 size_t i;
12781
892311f6
EP		 12782 /* We require at least one supported parameter to be changed and no
12783 * change in any of the unsupported parameters
12784 */
fb6e30a7
AZ		 12785 if (rxfh->key ||
12786 (rxfh->hfunc != ETH_RSS_HASH_NO_CHANGE &&
12787 rxfh->hfunc != ETH_RSS_HASH_TOP))
892311f6
EP		 12788 return -EOPNOTSUPP;
12789
fb6e30a7 12790 if (!rxfh->indir)
892311f6
EP		 12791 return 0;
12792
90415477 12793 for (i = 0; i < TG3_RSS_INDIR_TBL_SIZE; i++)
fb6e30a7 12794 tp->rss_ind_tbl[i] = rxfh->indir[i];
90415477
MC		 12795
12796 if (!netif_running(dev) || !tg3_flag(tp, ENABLE_RSS))
12797 return 0;
12798
12799 /* It is legal to write the indirection
12800 * table while the device is running.
12801 */
12802 tg3_full_lock(tp, 0);
12803 tg3_rss_write_indir_tbl(tp);
12804 tg3_full_unlock(tp);
12805
12806 return 0;
12807}
12808
0968169c
MC		 12809static void tg3_get_channels(struct net_device *dev,
12810 struct ethtool_channels *channel)
12811{
12812 struct tg3 *tp = netdev_priv(dev);
12813 u32 deflt_qs = netif_get_num_default_rss_queues();
12814
12815 channel->max_rx = tp->rxq_max;
12816 channel->max_tx = tp->txq_max;
12817
12818 if (netif_running(dev)) {
12819 channel->rx_count = tp->rxq_cnt;
12820 channel->tx_count = tp->txq_cnt;
12821 } else {
12822 if (tp->rxq_req)
12823 channel->rx_count = tp->rxq_req;
12824 else
12825 channel->rx_count = min(deflt_qs, tp->rxq_max);
12826
12827 if (tp->txq_req)
12828 channel->tx_count = tp->txq_req;
12829 else
12830 channel->tx_count = min(deflt_qs, tp->txq_max);
12831 }
12832}
12833
12834static int tg3_set_channels(struct net_device *dev,
12835 struct ethtool_channels *channel)
12836{
12837 struct tg3 *tp = netdev_priv(dev);
12838
12839 if (!tg3_flag(tp, SUPPORT_MSIX))
12840 return -EOPNOTSUPP;
12841
12842 if (channel->rx_count > tp->rxq_max ||
12843 channel->tx_count > tp->txq_max)
12844 return -EINVAL;
12845
12846 tp->rxq_req = channel->rx_count;
12847 tp->txq_req = channel->tx_count;
12848
12849 if (!netif_running(dev))
12850 return 0;
12851
12852 tg3_stop(tp);
12853
f4a46d1f 12854 tg3_carrier_off(tp);
0968169c 12855
be947307 12856 tg3_start(tp, true, false, false);
0968169c
MC		 12857
12858 return 0;
12859}
12860
de6f31eb 12861static void tg3_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
1da177e4
LT		 12862{
12863 switch (stringset) {
12864 case ETH_SS_STATS:
12865 memcpy(buf, &ethtool_stats_keys, sizeof(ethtool_stats_keys));
12866 break;
4cafd3f5
MC		 12867 case ETH_SS_TEST:
12868 memcpy(buf, &ethtool_test_keys, sizeof(ethtool_test_keys));
12869 break;
1da177e4
LT		 12870 default:
12871 WARN_ON(1); /* we need a WARN() */
12872 break;
12873 }
12874}
12875
81b8709c 12876static int tg3_set_phys_id(struct net_device *dev,
12877 enum ethtool_phys_id_state state)
4009a93d
MC		 12878{
12879 struct tg3 *tp = netdev_priv(dev);
4009a93d 12880
81b8709c 12881 switch (state) {
12882 case ETHTOOL_ID_ACTIVE:
fce55922 12883 return 1; /* cycle on/off once per second */
4009a93d 12884
81b8709c 12885 case ETHTOOL_ID_ON:
12886 tw32(MAC_LED_CTRL, LED_CTRL_LNKLED_OVERRIDE |
12887 LED_CTRL_1000MBPS_ON |
12888 LED_CTRL_100MBPS_ON |
12889 LED_CTRL_10MBPS_ON |
12890 LED_CTRL_TRAFFIC_OVERRIDE |
12891 LED_CTRL_TRAFFIC_BLINK |
12892 LED_CTRL_TRAFFIC_LED);
12893 break;
6aa20a22 12894
81b8709c 12895 case ETHTOOL_ID_OFF:
12896 tw32(MAC_LED_CTRL, LED_CTRL_LNKLED_OVERRIDE |
12897 LED_CTRL_TRAFFIC_OVERRIDE);
12898 break;
4009a93d 12899
81b8709c 12900 case ETHTOOL_ID_INACTIVE:
12901 tw32(MAC_LED_CTRL, tp->led_ctrl);
12902 break;
4009a93d 12903 }
81b8709c 12904
4009a93d
MC		 12905 return 0;
12906}
12907
de6f31eb 12908static void tg3_get_ethtool_stats(struct net_device *dev,
1da177e4
LT		 12909 struct ethtool_stats *estats, u64 *tmp_stats)
12910{
12911 struct tg3 *tp = netdev_priv(dev);
0e6c9da3 12912
b546e46f
MC		 12913 if (tp->hw_stats)
12914 tg3_get_estats(tp, (struct tg3_ethtool_stats *)tmp_stats);
12915 else
12916 memset(tmp_stats, 0, sizeof(struct tg3_ethtool_stats));
1da177e4
LT		 12917}
12918
f240e150 12919static __be32 *tg3_vpd_readblock(struct tg3 *tp, unsigned int *vpdlen)
c3e94500
MC		 12920{
12921 int i;
12922 __be32 *buf;
12923 u32 offset = 0, len = 0;
12924 u32 magic, val;
12925
63c3a66f 12926 if (tg3_flag(tp, NO_NVRAM) || tg3_nvram_read(tp, 0, &magic))
c3e94500
MC		 12927 return NULL;
12928
12929 if (magic == TG3_EEPROM_MAGIC) {
12930 for (offset = TG3_NVM_DIR_START;
12931 offset < TG3_NVM_DIR_END;
12932 offset += TG3_NVM_DIRENT_SIZE) {
12933 if (tg3_nvram_read(tp, offset, &val))
12934 return NULL;
12935
12936 if ((val >> TG3_NVM_DIRTYPE_SHIFT) ==
12937 TG3_NVM_DIRTYPE_EXTVPD)
12938 break;
12939 }
12940
12941 if (offset != TG3_NVM_DIR_END) {
12942 len = (val & TG3_NVM_DIRTYPE_LENMSK) * 4;
12943 if (tg3_nvram_read(tp, offset + 4, &offset))
12944 return NULL;
12945
12946 offset = tg3_nvram_logical_addr(tp, offset);
12947 }
c3e94500 12948
24f97b6a
HK		 12949 if (!offset || !len) {
12950 offset = TG3_NVM_VPD_OFF;
12951 len = TG3_NVM_VPD_LEN;
12952 }
c3e94500 12953
f240e150
HK		 12954 buf = kmalloc(len, GFP_KERNEL);
12955 if (!buf)
12956 return NULL;
c3e94500 12957
c3e94500
MC		 12958 for (i = 0; i < len; i += 4) {
12959 /* The data is in little-endian format in NVRAM.
12960 * Use the big-endian read routines to preserve
12961 * the byte order as it exists in NVRAM.
12962 */
12963 if (tg3_nvram_read_be32(tp, offset + i, &buf[i/4]))
12964 goto error;
12965 }
24f97b6a 12966 *vpdlen = len;
c3e94500 12967 } else {
f240e150
HK		 12968 buf = pci_vpd_alloc(tp->pdev, vpdlen);
12969 if (IS_ERR(buf))
12970 return NULL;
c3e94500
MC		 12971 }
12972
12973 return buf;
12974
12975error:
12976 kfree(buf);
12977 return NULL;
12978}
12979
566f86ad 12980#define NVRAM_TEST_SIZE 0x100
a5767dec
MC		 12981#define NVRAM_SELFBOOT_FORMAT1_0_SIZE 0x14
12982#define NVRAM_SELFBOOT_FORMAT1_2_SIZE 0x18
12983#define NVRAM_SELFBOOT_FORMAT1_3_SIZE 0x1c
727a6d9f
MC		 12984#define NVRAM_SELFBOOT_FORMAT1_4_SIZE 0x20
12985#define NVRAM_SELFBOOT_FORMAT1_5_SIZE 0x24
bda18faf 12986#define NVRAM_SELFBOOT_FORMAT1_6_SIZE 0x50
b16250e3
MC		 12987#define NVRAM_SELFBOOT_HW_SIZE 0x20
12988#define NVRAM_SELFBOOT_DATA_SIZE 0x1c
566f86ad
MC		 12989
12990static int tg3_test_nvram(struct tg3 *tp)
12991{
f240e150 12992 u32 csum, magic;
a9dc529d 12993 __be32 *buf;
ab0049b4 12994 int i, j, k, err = 0, size;
f240e150 12995 unsigned int len;
566f86ad 12996
63c3a66f 12997 if (tg3_flag(tp, NO_NVRAM))
df259d8c
MC		 12998 return 0;
12999
e4f34110 13000 if (tg3_nvram_read(tp, 0, &magic) != 0)
1b27777a
MC		 13001 return -EIO;
13002
1b27777a
MC		 13003 if (magic == TG3_EEPROM_MAGIC)
13004 size = NVRAM_TEST_SIZE;
b16250e3 13005 else if ((magic & TG3_EEPROM_MAGIC_FW_MSK) == TG3_EEPROM_MAGIC_FW) {
a5767dec
MC		 13006 if ((magic & TG3_EEPROM_SB_FORMAT_MASK) ==
13007 TG3_EEPROM_SB_FORMAT_1) {
13008 switch (magic & TG3_EEPROM_SB_REVISION_MASK) {
13009 case TG3_EEPROM_SB_REVISION_0:
13010 size = NVRAM_SELFBOOT_FORMAT1_0_SIZE;
13011 break;
13012 case TG3_EEPROM_SB_REVISION_2:
13013 size = NVRAM_SELFBOOT_FORMAT1_2_SIZE;
13014 break;
13015 case TG3_EEPROM_SB_REVISION_3:
13016 size = NVRAM_SELFBOOT_FORMAT1_3_SIZE;
13017 break;
727a6d9f
MC		 13018 case TG3_EEPROM_SB_REVISION_4:
13019 size = NVRAM_SELFBOOT_FORMAT1_4_SIZE;
13020 break;
13021 case TG3_EEPROM_SB_REVISION_5:
13022 size = NVRAM_SELFBOOT_FORMAT1_5_SIZE;
13023 break;
13024 case TG3_EEPROM_SB_REVISION_6:
13025 size = NVRAM_SELFBOOT_FORMAT1_6_SIZE;
13026 break;
a5767dec 13027 default:
727a6d9f 13028 return -EIO;
a5767dec
MC		 13029 }
13030 } else
1b27777a 13031 return 0;
b16250e3
MC		 13032 } else if ((magic & TG3_EEPROM_MAGIC_HW_MSK) == TG3_EEPROM_MAGIC_HW)
13033 size = NVRAM_SELFBOOT_HW_SIZE;
13034 else
1b27777a
MC		 13035 return -EIO;
13036
13037 buf = kmalloc(size, GFP_KERNEL);
566f86ad
MC		 13038 if (buf == NULL)
13039 return -ENOMEM;
13040
1b27777a
MC		 13041 err = -EIO;
13042 for (i = 0, j = 0; i < size; i += 4, j++) {
a9dc529d
MC		 13043 err = tg3_nvram_read_be32(tp, i, &buf[j]);
13044 if (err)
566f86ad 13045 break;
566f86ad 13046 }
1b27777a 13047 if (i < size)
566f86ad
MC		 13048 goto out;
13049
1b27777a 13050 /* Selfboot format */
a9dc529d 13051 magic = be32_to_cpu(buf[0]);
b9fc7dc5 13052 if ((magic & TG3_EEPROM_MAGIC_FW_MSK) ==
b16250e3 13053 TG3_EEPROM_MAGIC_FW) {
1b27777a
MC		 13054 u8 *buf8 = (u8 *) buf, csum8 = 0;
13055
b9fc7dc5 13056 if ((magic & TG3_EEPROM_SB_REVISION_MASK) ==
a5767dec
MC		 13057 TG3_EEPROM_SB_REVISION_2) {
13058 /* For rev 2, the csum doesn't include the MBA. */
13059 for (i = 0; i < TG3_EEPROM_SB_F1R2_MBA_OFF; i++)
13060 csum8 += buf8[i];
13061 for (i = TG3_EEPROM_SB_F1R2_MBA_OFF + 4; i < size; i++)
13062 csum8 += buf8[i];
13063 } else {
13064 for (i = 0; i < size; i++)
13065 csum8 += buf8[i];
13066 }
1b27777a 13067
ad96b485
AB		 13068 if (csum8 == 0) {
13069 err = 0;
13070 goto out;
13071 }
13072
13073 err = -EIO;
13074 goto out;
1b27777a 13075 }
566f86ad 13076
b9fc7dc5 13077 if ((magic & TG3_EEPROM_MAGIC_HW_MSK) ==
b16250e3
MC		 13078 TG3_EEPROM_MAGIC_HW) {
13079 u8 data[NVRAM_SELFBOOT_DATA_SIZE];
a9dc529d 13080 u8 parity[NVRAM_SELFBOOT_DATA_SIZE];
b16250e3 13081 u8 *buf8 = (u8 *) buf;
b16250e3
MC		 13082
13083 /* Separate the parity bits and the data bytes. */
13084 for (i = 0, j = 0, k = 0; i < NVRAM_SELFBOOT_HW_SIZE; i++) {
13085 if ((i == 0) || (i == 8)) {
13086 int l;
13087 u8 msk;
13088
13089 for (l = 0, msk = 0x80; l < 7; l++, msk >>= 1)
13090 parity[k++] = buf8[i] & msk;
13091 i++;
859a5887 13092 } else if (i == 16) {
b16250e3
MC		 13093 int l;
13094 u8 msk;
13095
13096 for (l = 0, msk = 0x20; l < 6; l++, msk >>= 1)
13097 parity[k++] = buf8[i] & msk;
13098 i++;
13099
13100 for (l = 0, msk = 0x80; l < 8; l++, msk >>= 1)
13101 parity[k++] = buf8[i] & msk;
13102 i++;
13103 }
13104 data[j++] = buf8[i];
13105 }
13106
13107 err = -EIO;
13108 for (i = 0; i < NVRAM_SELFBOOT_DATA_SIZE; i++) {
13109 u8 hw8 = hweight8(data[i]);
13110
13111 if ((hw8 & 0x1) && parity[i])
13112 goto out;
13113 else if (!(hw8 & 0x1) && !parity[i])
13114 goto out;
13115 }
13116 err = 0;
13117 goto out;
13118 }
13119
01c3a392
MC		 13120 err = -EIO;
13121
566f86ad
MC		 13122 /* Bootstrap checksum at offset 0x10 */
13123 csum = calc_crc((unsigned char *) buf, 0x10);
76d37e4f
SH		 13124
13125 /* The type of buf is __be32 *, but this value is __le32 */
13126 if (csum != le32_to_cpu((__force __le32)buf[0x10 / 4]))
566f86ad
MC		 13127 goto out;
13128
13129 /* Manufacturing block starts at offset 0x74, checksum at 0xfc */
76d37e4f
SH		 13130 csum = calc_crc((unsigned char *)&buf[0x74 / 4], 0x88);
13131
13132 /* The type of buf is __be32 *, but this value is __le32 */
13133 if (csum != le32_to_cpu((__force __le32)buf[0xfc / 4]))
a9dc529d 13134 goto out;
566f86ad 13135
c3e94500
MC		 13136 kfree(buf);
13137
535a490e 13138 buf = tg3_vpd_readblock(tp, &len);
c3e94500
MC		 13139 if (!buf)
13140 return -ENOMEM;
d4894f3e 13141
8d6ab5c5
HK		 13142 err = pci_vpd_check_csum(buf, len);
13143 /* go on if no checksum found */
13144 if (err == 1)
13145 err = 0;
566f86ad
MC		 13146out:
13147 kfree(buf);
13148 return err;
13149}
13150
ca43007a
MC		 13151#define TG3_SERDES_TIMEOUT_SEC 2
13152#define TG3_COPPER_TIMEOUT_SEC 6
13153
13154static int tg3_test_link(struct tg3 *tp)
13155{
13156 int i, max;
13157
13158 if (!netif_running(tp->dev))
13159 return -ENODEV;
13160
f07e9af3 13161 if (tp->phy_flags & TG3_PHYFLG_ANY_SERDES)
ca43007a
MC		 13162 max = TG3_SERDES_TIMEOUT_SEC;
13163 else
13164 max = TG3_COPPER_TIMEOUT_SEC;
13165
13166 for (i = 0; i < max; i++) {
f4a46d1f 13167 if (tp->link_up)
ca43007a
MC		 13168 return 0;
13169
13170 if (msleep_interruptible(1000))
13171 break;
13172 }
13173
13174 return -EIO;
13175}
13176
a71116d1 13177/* Only test the commonly used registers */
30ca3e37 13178static int tg3_test_registers(struct tg3 *tp)
a71116d1 13179{
b16250e3 13180 int i, is_5705, is_5750;
a71116d1
MC		 13181 u32 offset, read_mask, write_mask, val, save_val, read_val;
13182 static struct {
13183 u16 offset;
13184 u16 flags;
13185#define TG3_FL_5705 0x1
13186#define TG3_FL_NOT_5705 0x2
13187#define TG3_FL_NOT_5788 0x4
b16250e3 13188#define TG3_FL_NOT_5750 0x8
a71116d1
MC		 13189 u32 read_mask;
13190 u32 write_mask;
13191 } reg_tbl[] = {
13192 /* MAC Control Registers */
13193 { MAC_MODE, TG3_FL_NOT_5705,
13194 0x00000000, 0x00ef6f8c },
13195 { MAC_MODE, TG3_FL_5705,
13196 0x00000000, 0x01ef6b8c },
13197 { MAC_STATUS, TG3_FL_NOT_5705,
13198 0x03800107, 0x00000000 },
13199 { MAC_STATUS, TG3_FL_5705,
13200 0x03800100, 0x00000000 },
13201 { MAC_ADDR_0_HIGH, 0x0000,
13202 0x00000000, 0x0000ffff },
13203 { MAC_ADDR_0_LOW, 0x0000,
c6cdf436 13204 0x00000000, 0xffffffff },
a71116d1
MC		 13205 { MAC_RX_MTU_SIZE, 0x0000,
13206 0x00000000, 0x0000ffff },
13207 { MAC_TX_MODE, 0x0000,
13208 0x00000000, 0x00000070 },
13209 { MAC_TX_LENGTHS, 0x0000,
13210 0x00000000, 0x00003fff },
13211 { MAC_RX_MODE, TG3_FL_NOT_5705,
13212 0x00000000, 0x000007fc },
13213 { MAC_RX_MODE, TG3_FL_5705,
13214 0x00000000, 0x000007dc },
13215 { MAC_HASH_REG_0, 0x0000,
13216 0x00000000, 0xffffffff },
13217 { MAC_HASH_REG_1, 0x0000,
13218 0x00000000, 0xffffffff },
13219 { MAC_HASH_REG_2, 0x0000,
13220 0x00000000, 0xffffffff },
13221 { MAC_HASH_REG_3, 0x0000,
13222 0x00000000, 0xffffffff },
13223
13224 /* Receive Data and Receive BD Initiator Control Registers. */
13225 { RCVDBDI_JUMBO_BD+0, TG3_FL_NOT_5705,
13226 0x00000000, 0xffffffff },
13227 { RCVDBDI_JUMBO_BD+4, TG3_FL_NOT_5705,
13228 0x00000000, 0xffffffff },
13229 { RCVDBDI_JUMBO_BD+8, TG3_FL_NOT_5705,
13230 0x00000000, 0x00000003 },
13231 { RCVDBDI_JUMBO_BD+0xc, TG3_FL_NOT_5705,
13232 0x00000000, 0xffffffff },
13233 { RCVDBDI_STD_BD+0, 0x0000,
13234 0x00000000, 0xffffffff },
13235 { RCVDBDI_STD_BD+4, 0x0000,
13236 0x00000000, 0xffffffff },
13237 { RCVDBDI_STD_BD+8, 0x0000,
13238 0x00000000, 0xffff0002 },
13239 { RCVDBDI_STD_BD+0xc, 0x0000,
13240 0x00000000, 0xffffffff },
6aa20a22 13241
a71116d1
MC		 13242 /* Receive BD Initiator Control Registers. */
13243 { RCVBDI_STD_THRESH, TG3_FL_NOT_5705,
13244 0x00000000, 0xffffffff },
13245 { RCVBDI_STD_THRESH, TG3_FL_5705,
13246 0x00000000, 0x000003ff },
13247 { RCVBDI_JUMBO_THRESH, TG3_FL_NOT_5705,
13248 0x00000000, 0xffffffff },
6aa20a22 13249
a71116d1
MC		 13250 /* Host Coalescing Control Registers. */
13251 { HOSTCC_MODE, TG3_FL_NOT_5705,
13252 0x00000000, 0x00000004 },
13253 { HOSTCC_MODE, TG3_FL_5705,
13254 0x00000000, 0x000000f6 },
13255 { HOSTCC_RXCOL_TICKS, TG3_FL_NOT_5705,
13256 0x00000000, 0xffffffff },
13257 { HOSTCC_RXCOL_TICKS, TG3_FL_5705,
13258 0x00000000, 0x000003ff },
13259 { HOSTCC_TXCOL_TICKS, TG3_FL_NOT_5705,
13260 0x00000000, 0xffffffff },
13261 { HOSTCC_TXCOL_TICKS, TG3_FL_5705,
13262 0x00000000, 0x000003ff },
13263 { HOSTCC_RXMAX_FRAMES, TG3_FL_NOT_5705,
13264 0x00000000, 0xffffffff },
13265 { HOSTCC_RXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788,
13266 0x00000000, 0x000000ff },
13267 { HOSTCC_TXMAX_FRAMES, TG3_FL_NOT_5705,
13268 0x00000000, 0xffffffff },
13269 { HOSTCC_TXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788,
13270 0x00000000, 0x000000ff },
13271 { HOSTCC_RXCOAL_TICK_INT, TG3_FL_NOT_5705,
13272 0x00000000, 0xffffffff },
13273 { HOSTCC_TXCOAL_TICK_INT, TG3_FL_NOT_5705,
13274 0x00000000, 0xffffffff },
13275 { HOSTCC_RXCOAL_MAXF_INT, TG3_FL_NOT_5705,
13276 0x00000000, 0xffffffff },
13277 { HOSTCC_RXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788,
13278 0x00000000, 0x000000ff },
13279 { HOSTCC_TXCOAL_MAXF_INT, TG3_FL_NOT_5705,
13280 0x00000000, 0xffffffff },
13281 { HOSTCC_TXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788,
13282 0x00000000, 0x000000ff },
13283 { HOSTCC_STAT_COAL_TICKS, TG3_FL_NOT_5705,
13284 0x00000000, 0xffffffff },
13285 { HOSTCC_STATS_BLK_HOST_ADDR, TG3_FL_NOT_5705,
13286 0x00000000, 0xffffffff },
13287 { HOSTCC_STATS_BLK_HOST_ADDR+4, TG3_FL_NOT_5705,
13288 0x00000000, 0xffffffff },
13289 { HOSTCC_STATUS_BLK_HOST_ADDR, 0x0000,
13290 0x00000000, 0xffffffff },
13291 { HOSTCC_STATUS_BLK_HOST_ADDR+4, 0x0000,
13292 0x00000000, 0xffffffff },
13293 { HOSTCC_STATS_BLK_NIC_ADDR, 0x0000,
13294 0xffffffff, 0x00000000 },
13295 { HOSTCC_STATUS_BLK_NIC_ADDR, 0x0000,
13296 0xffffffff, 0x00000000 },
13297
13298 /* Buffer Manager Control Registers. */
b16250e3 13299 { BUFMGR_MB_POOL_ADDR, TG3_FL_NOT_5750,
a71116d1 13300 0x00000000, 0x007fff80 },
b16250e3 13301 { BUFMGR_MB_POOL_SIZE, TG3_FL_NOT_5750,
a71116d1
MC		 13302 0x00000000, 0x007fffff },
13303 { BUFMGR_MB_RDMA_LOW_WATER, 0x0000,
13304 0x00000000, 0x0000003f },
13305 { BUFMGR_MB_MACRX_LOW_WATER, 0x0000,
13306 0x00000000, 0x000001ff },
13307 { BUFMGR_MB_HIGH_WATER, 0x0000,
13308 0x00000000, 0x000001ff },
13309 { BUFMGR_DMA_DESC_POOL_ADDR, TG3_FL_NOT_5705,
13310 0xffffffff, 0x00000000 },
13311 { BUFMGR_DMA_DESC_POOL_SIZE, TG3_FL_NOT_5705,
13312 0xffffffff, 0x00000000 },
6aa20a22 13313
a71116d1
MC		 13314 /* Mailbox Registers */
13315 { GRCMBOX_RCVSTD_PROD_IDX+4, 0x0000,
13316 0x00000000, 0x000001ff },
13317 { GRCMBOX_RCVJUMBO_PROD_IDX+4, TG3_FL_NOT_5705,
13318 0x00000000, 0x000001ff },
13319 { GRCMBOX_RCVRET_CON_IDX_0+4, 0x0000,
13320 0x00000000, 0x000007ff },
13321 { GRCMBOX_SNDHOST_PROD_IDX_0+4, 0x0000,
13322 0x00000000, 0x000001ff },
13323
13324 { 0xffff, 0x0000, 0x00000000, 0x00000000 },
13325 };
13326
b16250e3 13327 is_5705 = is_5750 = 0;
63c3a66f 13328 if (tg3_flag(tp, 5705_PLUS)) {
a71116d1 13329 is_5705 = 1;
63c3a66f 13330 if (tg3_flag(tp, 5750_PLUS))
b16250e3
MC		 13331 is_5750 = 1;
13332 }
a71116d1
MC		 13333
13334 for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
13335 if (is_5705 && (reg_tbl[i].flags & TG3_FL_NOT_5705))
13336 continue;
13337
13338 if (!is_5705 && (reg_tbl[i].flags & TG3_FL_5705))
13339 continue;
13340
63c3a66f 13341 if (tg3_flag(tp, IS_5788) &&
a71116d1
MC		 13342 (reg_tbl[i].flags & TG3_FL_NOT_5788))
13343 continue;
13344
b16250e3
MC		 13345 if (is_5750 && (reg_tbl[i].flags & TG3_FL_NOT_5750))
13346 continue;
13347
a71116d1
MC		 13348 offset = (u32) reg_tbl[i].offset;
13349 read_mask = reg_tbl[i].read_mask;
13350 write_mask = reg_tbl[i].write_mask;
13351
13352 /* Save the original register content */
13353 save_val = tr32(offset);
13354
13355 /* Determine the read-only value. */
13356 read_val = save_val & read_mask;
13357
13358 /* Write zero to the register, then make sure the read-only bits
13359 * are not changed and the read/write bits are all zeros.
13360 */
13361 tw32(offset, 0);
13362
13363 val = tr32(offset);
13364
13365 /* Test the read-only and read/write bits. */
13366 if (((val & read_mask) != read_val) || (val & write_mask))
13367 goto out;
13368
13369 /* Write ones to all the bits defined by RdMask and WrMask, then
13370 * make sure the read-only bits are not changed and the
13371 * read/write bits are all ones.
13372 */
13373 tw32(offset, read_mask | write_mask);
13374
13375 val = tr32(offset);
13376
13377 /* Test the read-only bits. */
13378 if ((val & read_mask) != read_val)
13379 goto out;
13380
13381 /* Test the read/write bits. */
13382 if ((val & write_mask) != write_mask)
13383 goto out;
13384
13385 tw32(offset, save_val);
13386 }
13387
13388 return 0;
13389
13390out:
9f88f29f 13391 if (netif_msg_hw(tp))
2445e461
MC		 13392 netdev_err(tp->dev,
13393 "Register test failed at offset %x\n", offset);
a71116d1
MC		 13394 tw32(offset, save_val);
13395 return -EIO;
13396}
13397
7942e1db
MC		 13398static int tg3_do_mem_test(struct tg3 *tp, u32 offset, u32 len)
13399{
f71e1309 13400 static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0xaa55a55a };
7942e1db
MC		 13401 int i;
13402 u32 j;
13403
e9edda69 13404 for (i = 0; i < ARRAY_SIZE(test_pattern); i++) {
7942e1db
MC		 13405 for (j = 0; j < len; j += 4) {
13406 u32 val;
13407
13408 tg3_write_mem(tp, offset + j, test_pattern[i]);
13409 tg3_read_mem(tp, offset + j, &val);
13410 if (val != test_pattern[i])
13411 return -EIO;
13412 }
13413 }
13414 return 0;
13415}
13416
13417static int tg3_test_memory(struct tg3 *tp)
13418{
13419 static struct mem_entry {
13420 u32 offset;
13421 u32 len;
13422 } mem_tbl_570x[] = {
38690194 13423 { 0x00000000, 0x00b50},
7942e1db
MC		 13424 { 0x00002000, 0x1c000},
13425 { 0xffffffff, 0x00000}
13426 }, mem_tbl_5705[] = {
13427 { 0x00000100, 0x0000c},
13428 { 0x00000200, 0x00008},
7942e1db
MC		 13429 { 0x00004000, 0x00800},
13430 { 0x00006000, 0x01000},
13431 { 0x00008000, 0x02000},
13432 { 0x00010000, 0x0e000},
13433 { 0xffffffff, 0x00000}
79f4d13a
MC		 13434 }, mem_tbl_5755[] = {
13435 { 0x00000200, 0x00008},
13436 { 0x00004000, 0x00800},
13437 { 0x00006000, 0x00800},
13438 { 0x00008000, 0x02000},
13439 { 0x00010000, 0x0c000},
13440 { 0xffffffff, 0x00000}
b16250e3
MC		 13441 }, mem_tbl_5906[] = {
13442 { 0x00000200, 0x00008},
13443 { 0x00004000, 0x00400},
13444 { 0x00006000, 0x00400},
13445 { 0x00008000, 0x01000},
13446 { 0x00010000, 0x01000},
13447 { 0xffffffff, 0x00000}
8b5a6c42
MC		 13448 }, mem_tbl_5717[] = {
13449 { 0x00000200, 0x00008},
13450 { 0x00010000, 0x0a000},
13451 { 0x00020000, 0x13c00},
13452 { 0xffffffff, 0x00000}
13453 }, mem_tbl_57765[] = {
13454 { 0x00000200, 0x00008},
13455 { 0x00004000, 0x00800},
13456 { 0x00006000, 0x09800},
13457 { 0x00010000, 0x0a000},
13458 { 0xffffffff, 0x00000}
7942e1db
MC		 13459 };
13460 struct mem_entry *mem_tbl;
13461 int err = 0;
13462 int i;
13463
63c3a66f 13464 if (tg3_flag(tp, 5717_PLUS))
8b5a6c42 13465 mem_tbl = mem_tbl_5717;
c65a17f4 13466 else if (tg3_flag(tp, 57765_CLASS) ||
4153577a 13467 tg3_asic_rev(tp) == ASIC_REV_5762)
8b5a6c42 13468 mem_tbl = mem_tbl_57765;
63c3a66f 13469 else if (tg3_flag(tp, 5755_PLUS))
321d32a0 13470 mem_tbl = mem_tbl_5755;
4153577a 13471 else if (tg3_asic_rev(tp) == ASIC_REV_5906)
321d32a0 13472 mem_tbl = mem_tbl_5906;
63c3a66f 13473 else if (tg3_flag(tp, 5705_PLUS))
321d32a0
MC		 13474 mem_tbl = mem_tbl_5705;
13475 else
7942e1db
MC		 13476 mem_tbl = mem_tbl_570x;
13477
13478 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
be98da6a
MC		 13479 err = tg3_do_mem_test(tp, mem_tbl[i].offset, mem_tbl[i].len);
13480 if (err)
7942e1db
MC		 13481 break;
13482 }
6aa20a22 13483
7942e1db
MC		 13484 return err;
13485}
13486
bb158d69
MC		 13487#define TG3_TSO_MSS 500
13488
13489#define TG3_TSO_IP_HDR_LEN 20
13490#define TG3_TSO_TCP_HDR_LEN 20
13491#define TG3_TSO_TCP_OPT_LEN 12
13492
13493static const u8 tg3_tso_header[] = {
134940x08, 0x00,
134950x45, 0x00, 0x00, 0x00,
134960x00, 0x00, 0x40, 0x00,
134970x40, 0x06, 0x00, 0x00,
134980x0a, 0x00, 0x00, 0x01,
134990x0a, 0x00, 0x00, 0x02,
135000x0d, 0x00, 0xe0, 0x00,
135010x00, 0x00, 0x01, 0x00,
135020x00, 0x00, 0x02, 0x00,
135030x80, 0x10, 0x10, 0x00,
135040x14, 0x09, 0x00, 0x00,
135050x01, 0x01, 0x08, 0x0a,
135060x11, 0x11, 0x11, 0x11,
135070x11, 0x11, 0x11, 0x11,
13508};
9f40dead 13509
28a45957 13510static int tg3_run_loopback(struct tg3 *tp, u32 pktsz, bool tso_loopback)
c76949a6 13511{
5e5a7f37 13512 u32 rx_start_idx, rx_idx, tx_idx, opaque_key;
bb158d69 13513 u32 base_flags = 0, mss = 0, desc_idx, coal_now, data_off, val;
84b67b27 13514 u32 budget;
9205fd9c
ED		 13515 struct sk_buff *skb;
13516 u8 *tx_data, *rx_data;
c76949a6
MC		 13517 dma_addr_t map;
13518 int num_pkts, tx_len, rx_len, i, err;
13519 struct tg3_rx_buffer_desc *desc;
898a56f8 13520 struct tg3_napi *tnapi, *rnapi;
8fea32b9 13521 struct tg3_rx_prodring_set *tpr = &tp->napi[0].prodring;
c76949a6 13522
c8873405
MC		 13523 tnapi = &tp->napi[0];
13524 rnapi = &tp->napi[0];
0c1d0e2b 13525 if (tp->irq_cnt > 1) {
63c3a66f 13526 if (tg3_flag(tp, ENABLE_RSS))
1da85aa3 13527 rnapi = &tp->napi[1];
63c3a66f 13528 if (tg3_flag(tp, ENABLE_TSS))
c8873405 13529 tnapi = &tp->napi[1];
0c1d0e2b 13530 }
fd2ce37f 13531 coal_now = tnapi->coal_now | rnapi->coal_now;
898a56f8 13532
c76949a6
MC		 13533 err = -EIO;
13534
4852a861 13535 tx_len = pktsz;
a20e9c62 13536 skb = netdev_alloc_skb(tp->dev, tx_len);
a50bb7b9
JJ		 13537 if (!skb)
13538 return -ENOMEM;
13539
c76949a6 13540 tx_data = skb_put(skb, tx_len);
d458cdf7
JP		 13541 memcpy(tx_data, tp->dev->dev_addr, ETH_ALEN);
13542 memset(tx_data + ETH_ALEN, 0x0, 8);
c76949a6 13543
4852a861 13544 tw32(MAC_RX_MTU_SIZE, tx_len + ETH_FCS_LEN);
c76949a6 13545
28a45957 13546 if (tso_loopback) {
bb158d69
MC		 13547 struct iphdr *iph = (struct iphdr *)&tx_data[ETH_HLEN];
13548
13549 u32 hdr_len = TG3_TSO_IP_HDR_LEN + TG3_TSO_TCP_HDR_LEN +
13550 TG3_TSO_TCP_OPT_LEN;
13551
13552 memcpy(tx_data + ETH_ALEN * 2, tg3_tso_header,
13553 sizeof(tg3_tso_header));
13554 mss = TG3_TSO_MSS;
13555
13556 val = tx_len - ETH_ALEN * 2 - sizeof(tg3_tso_header);
13557 num_pkts = DIV_ROUND_UP(val, TG3_TSO_MSS);
13558
13559 /* Set the total length field in the IP header */
13560 iph->tot_len = htons((u16)(mss + hdr_len));
13561
13562 base_flags = (TXD_FLAG_CPU_PRE_DMA |
13563 TXD_FLAG_CPU_POST_DMA);
13564
63c3a66f
JP		 13565 if (tg3_flag(tp, HW_TSO_1) ||
13566 tg3_flag(tp, HW_TSO_2) ||
13567 tg3_flag(tp, HW_TSO_3)) {
bb158d69
MC		 13568 struct tcphdr *th;
13569 val = ETH_HLEN + TG3_TSO_IP_HDR_LEN;
13570 th = (struct tcphdr *)&tx_data[val];
13571 th->check = 0;
13572 } else
13573 base_flags |= TXD_FLAG_TCPUDP_CSUM;
13574
63c3a66f 13575 if (tg3_flag(tp, HW_TSO_3)) {
bb158d69
MC		 13576 mss |= (hdr_len & 0xc) << 12;
13577 if (hdr_len & 0x10)
13578 base_flags |= 0x00000010;
13579 base_flags |= (hdr_len & 0x3e0) << 5;
63c3a66f 13580 } else if (tg3_flag(tp, HW_TSO_2))
bb158d69 13581 mss |= hdr_len << 9;
63c3a66f 13582 else if (tg3_flag(tp, HW_TSO_1) ||
4153577a 13583 tg3_asic_rev(tp) == ASIC_REV_5705) {
bb158d69
MC		 13584 mss |= (TG3_TSO_TCP_OPT_LEN << 9);
13585 } else {
13586 base_flags |= (TG3_TSO_TCP_OPT_LEN << 10);
13587 }
13588
13589 data_off = ETH_ALEN * 2 + sizeof(tg3_tso_header);
13590 } else {
13591 num_pkts = 1;
13592 data_off = ETH_HLEN;
c441b456
MC		 13593
13594 if (tg3_flag(tp, USE_JUMBO_BDFLAG) &&
13595 tx_len > VLAN_ETH_FRAME_LEN)
13596 base_flags |= TXD_FLAG_JMB_PKT;
bb158d69
MC		 13597 }
13598
13599 for (i = data_off; i < tx_len; i++)
c76949a6
MC		 13600 tx_data[i] = (u8) (i & 0xff);
13601
df70303d
CJ		 13602 map = dma_map_single(&tp->pdev->dev, skb->data, tx_len, DMA_TO_DEVICE);
13603 if (dma_mapping_error(&tp->pdev->dev, map)) {
a21771dd
MC		 13604 dev_kfree_skb(skb);
13605 return -EIO;
13606 }
c76949a6 13607
0d681b27
MC		 13608 val = tnapi->tx_prod;
13609 tnapi->tx_buffers[val].skb = skb;
13610 dma_unmap_addr_set(&tnapi->tx_buffers[val], mapping, map);
13611
c76949a6 13612 tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
fd2ce37f 13613 rnapi->coal_now);
c76949a6
MC		 13614
13615 udelay(10);
13616
898a56f8 13617 rx_start_idx = rnapi->hw_status->idx[0].rx_producer;
c76949a6 13618
84b67b27
MC		 13619 budget = tg3_tx_avail(tnapi);
13620 if (tg3_tx_frag_set(tnapi, &val, &budget, map, tx_len,
d1a3b737
MC		 13621 base_flags | TXD_FLAG_END, mss, 0)) {
13622 tnapi->tx_buffers[val].skb = NULL;
13623 dev_kfree_skb(skb);
13624 return -EIO;
13625 }
c76949a6 13626
f3f3f27e 13627 tnapi->tx_prod++;
c76949a6 13628
6541b806
MC		 13629 /* Sync BD data before updating mailbox */
13630 wmb();
13631
f3f3f27e
MC		 13632 tw32_tx_mbox(tnapi->prodmbox, tnapi->tx_prod);
13633 tr32_mailbox(tnapi->prodmbox);
c76949a6
MC		 13634
13635 udelay(10);
13636
303fc921
MC		 13637 /* 350 usec to allow enough time on some 10/100 Mbps devices. */
13638 for (i = 0; i < 35; i++) {
c76949a6 13639 tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
fd2ce37f 13640 coal_now);
c76949a6
MC		 13641
13642 udelay(10);
13643
898a56f8
MC		 13644 tx_idx = tnapi->hw_status->idx[0].tx_consumer;
13645 rx_idx = rnapi->hw_status->idx[0].rx_producer;
f3f3f27e 13646 if ((tx_idx == tnapi->tx_prod) &&
c76949a6
MC		 13647 (rx_idx == (rx_start_idx + num_pkts)))
13648 break;
13649 }
13650
ba1142e4 13651 tg3_tx_skb_unmap(tnapi, tnapi->tx_prod - 1, -1);
c76949a6
MC		 13652 dev_kfree_skb(skb);
13653
f3f3f27e 13654 if (tx_idx != tnapi->tx_prod)
c76949a6
MC		 13655 goto out;
13656
13657 if (rx_idx != rx_start_idx + num_pkts)
13658 goto out;
13659
bb158d69
MC		 13660 val = data_off;
13661 while (rx_idx != rx_start_idx) {
13662 desc = &rnapi->rx_rcb[rx_start_idx++];
13663 desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
13664 opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
c76949a6 13665
bb158d69
MC		 13666 if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
13667 (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII))
13668 goto out;
c76949a6 13669
bb158d69
MC		 13670 rx_len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT)
13671 - ETH_FCS_LEN;
c76949a6 13672
28a45957 13673 if (!tso_loopback) {
bb158d69
MC		 13674 if (rx_len != tx_len)
13675 goto out;
4852a861 13676
bb158d69
MC		 13677 if (pktsz <= TG3_RX_STD_DMA_SZ - ETH_FCS_LEN) {
13678 if (opaque_key != RXD_OPAQUE_RING_STD)
13679 goto out;
13680 } else {
13681 if (opaque_key != RXD_OPAQUE_RING_JUMBO)
13682 goto out;
13683 }
13684 } else if ((desc->type_flags & RXD_FLAG_TCPUDP_CSUM) &&
13685 (desc->ip_tcp_csum & RXD_TCPCSUM_MASK)
54e0a67f 13686 >> RXD_TCPCSUM_SHIFT != 0xffff) {
4852a861 13687 goto out;
bb158d69 13688 }
4852a861 13689
bb158d69 13690 if (opaque_key == RXD_OPAQUE_RING_STD) {
9205fd9c 13691 rx_data = tpr->rx_std_buffers[desc_idx].data;
bb158d69
MC		 13692 map = dma_unmap_addr(&tpr->rx_std_buffers[desc_idx],
13693 mapping);
13694 } else if (opaque_key == RXD_OPAQUE_RING_JUMBO) {
9205fd9c 13695 rx_data = tpr->rx_jmb_buffers[desc_idx].data;
bb158d69
MC		 13696 map = dma_unmap_addr(&tpr->rx_jmb_buffers[desc_idx],
13697 mapping);
13698 } else
13699 goto out;
c76949a6 13700
df70303d
CJ		 13701 dma_sync_single_for_cpu(&tp->pdev->dev, map, rx_len,
13702 DMA_FROM_DEVICE);
c76949a6 13703
9205fd9c 13704 rx_data += TG3_RX_OFFSET(tp);
bb158d69 13705 for (i = data_off; i < rx_len; i++, val++) {
9205fd9c 13706 if (*(rx_data + i) != (u8) (val & 0xff))
bb158d69
MC		 13707 goto out;
13708 }
c76949a6 13709 }
bb158d69 13710
c76949a6 13711 err = 0;
6aa20a22 13712
9205fd9c 13713 /* tg3_free_rings will unmap and free the rx_data */
c76949a6
MC		 13714out:
13715 return err;
13716}
13717
00c266b7
MC		 13718#define TG3_STD_LOOPBACK_FAILED 1
13719#define TG3_JMB_LOOPBACK_FAILED 2
bb158d69 13720#define TG3_TSO_LOOPBACK_FAILED 4
28a45957
MC		 13721#define TG3_LOOPBACK_FAILED \
13722 (TG3_STD_LOOPBACK_FAILED | \
13723 TG3_JMB_LOOPBACK_FAILED | \
13724 TG3_TSO_LOOPBACK_FAILED)
00c266b7 13725
941ec90f 13726static int tg3_test_loopback(struct tg3 *tp, u64 *data, bool do_extlpbk)
9f40dead 13727{
28a45957 13728 int err = -EIO;
2215e24c 13729 u32 eee_cap;
c441b456
MC		 13730 u32 jmb_pkt_sz = 9000;
13731
13732 if (tp->dma_limit)
13733 jmb_pkt_sz = tp->dma_limit - ETH_HLEN;
9f40dead 13734
ab789046
MC		 13735 eee_cap = tp->phy_flags & TG3_PHYFLG_EEE_CAP;
13736 tp->phy_flags &= ~TG3_PHYFLG_EEE_CAP;
13737
28a45957 13738 if (!netif_running(tp->dev)) {
93df8b8f
NNS		 13739 data[TG3_MAC_LOOPB_TEST] = TG3_LOOPBACK_FAILED;
13740 data[TG3_PHY_LOOPB_TEST] = TG3_LOOPBACK_FAILED;
941ec90f 13741 if (do_extlpbk)
93df8b8f 13742 data[TG3_EXT_LOOPB_TEST] = TG3_LOOPBACK_FAILED;
28a45957
MC		 13743 goto done;
13744 }
13745
953c96e0 13746 err = tg3_reset_hw(tp, true);
ab789046 13747 if (err) {
93df8b8f
NNS		 13748 data[TG3_MAC_LOOPB_TEST] = TG3_LOOPBACK_FAILED;
13749 data[TG3_PHY_LOOPB_TEST] = TG3_LOOPBACK_FAILED;
941ec90f 13750 if (do_extlpbk)
93df8b8f 13751 data[TG3_EXT_LOOPB_TEST] = TG3_LOOPBACK_FAILED;
ab789046
MC		 13752 goto done;
13753 }
9f40dead 13754
63c3a66f 13755 if (tg3_flag(tp, ENABLE_RSS)) {
4a85f098
MC		 13756 int i;
13757
13758 /* Reroute all rx packets to the 1st queue */
13759 for (i = MAC_RSS_INDIR_TBL_0;
13760 i < MAC_RSS_INDIR_TBL_0 + TG3_RSS_INDIR_TBL_SIZE; i += 4)
13761 tw32(i, 0x0);
13762 }
13763
6e01b20b
MC		 13764 /* HW errata - mac loopback fails in some cases on 5780.
13765 * Normal traffic and PHY loopback are not affected by
13766 * errata. Also, the MAC loopback test is deprecated for
13767 * all newer ASIC revisions.
13768 */
4153577a 13769 if (tg3_asic_rev(tp) != ASIC_REV_5780 &&
6e01b20b
MC		 13770 !tg3_flag(tp, CPMU_PRESENT)) {
13771 tg3_mac_loopback(tp, true);
9936bcf6 13772
28a45957 13773 if (tg3_run_loopback(tp, ETH_FRAME_LEN, false))
93df8b8f 13774 data[TG3_MAC_LOOPB_TEST] |= TG3_STD_LOOPBACK_FAILED;
6e01b20b
MC		 13775
13776 if (tg3_flag(tp, JUMBO_RING_ENABLE) &&
c441b456 13777 tg3_run_loopback(tp, jmb_pkt_sz + ETH_HLEN, false))
93df8b8f 13778 data[TG3_MAC_LOOPB_TEST] |= TG3_JMB_LOOPBACK_FAILED;
6e01b20b
MC		 13779
13780 tg3_mac_loopback(tp, false);
13781 }
4852a861 13782
f07e9af3 13783 if (!(tp->phy_flags & TG3_PHYFLG_PHY_SERDES) &&
63c3a66f 13784 !tg3_flag(tp, USE_PHYLIB)) {
5e5a7f37
MC		 13785 int i;
13786
941ec90f 13787 tg3_phy_lpbk_set(tp, 0, false);
5e5a7f37
MC		 13788
13789 /* Wait for link */
13790 for (i = 0; i < 100; i++) {
13791 if (tr32(MAC_TX_STATUS) & TX_STATUS_LINK_UP)
13792 break;
13793 mdelay(1);
13794 }
13795
28a45957 13796 if (tg3_run_loopback(tp, ETH_FRAME_LEN, false))
93df8b8f 13797 data[TG3_PHY_LOOPB_TEST] |= TG3_STD_LOOPBACK_FAILED;
63c3a66f 13798 if (tg3_flag(tp, TSO_CAPABLE) &&
28a45957 13799 tg3_run_loopback(tp, ETH_FRAME_LEN, true))
93df8b8f 13800 data[TG3_PHY_LOOPB_TEST] |= TG3_TSO_LOOPBACK_FAILED;
63c3a66f 13801 if (tg3_flag(tp, JUMBO_RING_ENABLE) &&
c441b456 13802 tg3_run_loopback(tp, jmb_pkt_sz + ETH_HLEN, false))
93df8b8f 13803 data[TG3_PHY_LOOPB_TEST] |= TG3_JMB_LOOPBACK_FAILED;
9f40dead 13804
941ec90f
MC		 13805 if (do_extlpbk) {
13806 tg3_phy_lpbk_set(tp, 0, true);
13807
13808 /* All link indications report up, but the hardware
13809 * isn't really ready for about 20 msec. Double it
13810 * to be sure.
13811 */
13812 mdelay(40);
13813
13814 if (tg3_run_loopback(tp, ETH_FRAME_LEN, false))
93df8b8f
NNS		 13815 data[TG3_EXT_LOOPB_TEST] |=
13816 TG3_STD_LOOPBACK_FAILED;
941ec90f
MC		 13817 if (tg3_flag(tp, TSO_CAPABLE) &&
13818 tg3_run_loopback(tp, ETH_FRAME_LEN, true))
93df8b8f
NNS		 13819 data[TG3_EXT_LOOPB_TEST] |=
13820 TG3_TSO_LOOPBACK_FAILED;
941ec90f 13821 if (tg3_flag(tp, JUMBO_RING_ENABLE) &&
c441b456 13822 tg3_run_loopback(tp, jmb_pkt_sz + ETH_HLEN, false))
93df8b8f
NNS		 13823 data[TG3_EXT_LOOPB_TEST] |=
13824 TG3_JMB_LOOPBACK_FAILED;
941ec90f
MC		 13825 }
13826
5e5a7f37
MC		 13827 /* Re-enable gphy autopowerdown. */
13828 if (tp->phy_flags & TG3_PHYFLG_ENABLE_APD)
13829 tg3_phy_toggle_apd(tp, true);
13830 }
6833c043 13831
93df8b8f
NNS		 13832 err = (data[TG3_MAC_LOOPB_TEST] | data[TG3_PHY_LOOPB_TEST] |
13833 data[TG3_EXT_LOOPB_TEST]) ? -EIO : 0;
28a45957 13834
ab789046
MC		 13835done:
13836 tp->phy_flags |= eee_cap;
13837
9f40dead
MC		 13838 return err;
13839}
13840
4cafd3f5
MC		 13841static void tg3_self_test(struct net_device *dev, struct ethtool_test *etest,
13842 u64 *data)
13843{
566f86ad 13844 struct tg3 *tp = netdev_priv(dev);
941ec90f 13845 bool doextlpbk = etest->flags & ETH_TEST_FL_EXTERNAL_LB;
566f86ad 13846
2e460fc0
NS		 13847 if (tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER) {
13848 if (tg3_power_up(tp)) {
13849 etest->flags |= ETH_TEST_FL_FAILED;
13850 memset(data, 1, sizeof(u64) * TG3_NUM_TEST);
13851 return;
13852 }
13853 tg3_ape_driver_state_change(tp, RESET_KIND_INIT);
bed9829f 13854 }
bc1c7567 13855
566f86ad
MC		 13856 memset(data, 0, sizeof(u64) * TG3_NUM_TEST);
13857
13858 if (tg3_test_nvram(tp) != 0) {
13859 etest->flags |= ETH_TEST_FL_FAILED;
93df8b8f 13860 data[TG3_NVRAM_TEST] = 1;
566f86ad 13861 }
941ec90f 13862 if (!doextlpbk && tg3_test_link(tp)) {
ca43007a 13863 etest->flags |= ETH_TEST_FL_FAILED;
93df8b8f 13864 data[TG3_LINK_TEST] = 1;
ca43007a 13865 }
a71116d1 13866 if (etest->flags & ETH_TEST_FL_OFFLINE) {
b02fd9e3 13867 int err, err2 = 0, irq_sync = 0;
bbe832c0
MC		 13868
13869 if (netif_running(dev)) {
b02fd9e3 13870 tg3_phy_stop(tp);
a71116d1 13871 tg3_netif_stop(tp);
bbe832c0
MC		 13872 irq_sync = 1;
13873 }
a71116d1 13874
bbe832c0 13875 tg3_full_lock(tp, irq_sync);
a71116d1 13876 tg3_halt(tp, RESET_KIND_SUSPEND, 1);
ec41c7df 13877 err = tg3_nvram_lock(tp);
a71116d1 13878 tg3_halt_cpu(tp, RX_CPU_BASE);
63c3a66f 13879 if (!tg3_flag(tp, 5705_PLUS))
a71116d1 13880 tg3_halt_cpu(tp, TX_CPU_BASE);
ec41c7df
MC		 13881 if (!err)
13882 tg3_nvram_unlock(tp);
a71116d1 13883
f07e9af3 13884 if (tp->phy_flags & TG3_PHYFLG_MII_SERDES)
d9ab5ad1
MC		 13885 tg3_phy_reset(tp);
13886
a71116d1
MC		 13887 if (tg3_test_registers(tp) != 0) {
13888 etest->flags |= ETH_TEST_FL_FAILED;
93df8b8f 13889 data[TG3_REGISTER_TEST] = 1;
a71116d1 13890 }
28a45957 13891
7942e1db
MC		 13892 if (tg3_test_memory(tp) != 0) {
13893 etest->flags |= ETH_TEST_FL_FAILED;
93df8b8f 13894 data[TG3_MEMORY_TEST] = 1;
7942e1db 13895 }
28a45957 13896
941ec90f
MC		 13897 if (doextlpbk)
13898 etest->flags |= ETH_TEST_FL_EXTERNAL_LB_DONE;
13899
93df8b8f 13900 if (tg3_test_loopback(tp, data, doextlpbk))
c76949a6 13901 etest->flags |= ETH_TEST_FL_FAILED;
a71116d1 13902
f47c11ee
DM		 13903 tg3_full_unlock(tp);
13904
d4bc3927
MC		 13905 if (tg3_test_interrupt(tp) != 0) {
13906 etest->flags |= ETH_TEST_FL_FAILED;
93df8b8f 13907 data[TG3_INTERRUPT_TEST] = 1;
d4bc3927 13908 }
f47c11ee 13909
8ed47e4e 13910 netdev_lock(dev);
f47c11ee 13911 tg3_full_lock(tp, 0);
d4bc3927 13912
a71116d1
MC		 13913 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
13914 if (netif_running(dev)) {
63c3a66f 13915 tg3_flag_set(tp, INIT_COMPLETE);
953c96e0 13916 err2 = tg3_restart_hw(tp, true);
b02fd9e3 13917 if (!err2)
b9ec6c1b 13918 tg3_netif_start(tp);
a71116d1 13919 }
f47c11ee
DM		 13920
13921 tg3_full_unlock(tp);
8ed47e4e 13922 netdev_unlock(dev);
b02fd9e3
MC		 13923
13924 if (irq_sync && !err2)
13925 tg3_phy_start(tp);
a71116d1 13926 }
80096068 13927 if (tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER)
5137a2ee 13928 tg3_power_down_prepare(tp);
bc1c7567 13929
4cafd3f5
MC		 13930}
13931
7260899b 13932static int tg3_hwtstamp_set(struct net_device *dev, struct ifreq *ifr)
0a633ac2
MC		 13933{
13934 struct tg3 *tp = netdev_priv(dev);
13935 struct hwtstamp_config stmpconf;
13936
13937 if (!tg3_flag(tp, PTP_CAPABLE))
7260899b 13938 return -EOPNOTSUPP;
0a633ac2
MC		 13939
13940 if (copy_from_user(&stmpconf, ifr->ifr_data, sizeof(stmpconf)))
13941 return -EFAULT;
13942
58b187c6
BH		 13943 if (stmpconf.tx_type != HWTSTAMP_TX_ON &&
13944 stmpconf.tx_type != HWTSTAMP_TX_OFF)
0a633ac2 13945 return -ERANGE;
0a633ac2
MC		 13946
13947 switch (stmpconf.rx_filter) {
13948 case HWTSTAMP_FILTER_NONE:
13949 tp->rxptpctl = 0;
13950 break;
13951 case HWTSTAMP_FILTER_PTP_V1_L4_EVENT:
13952 tp->rxptpctl = TG3_RX_PTP_CTL_RX_PTP_V1_EN |
13953 TG3_RX_PTP_CTL_ALL_V1_EVENTS;
13954 break;
13955 case HWTSTAMP_FILTER_PTP_V1_L4_SYNC:
13956 tp->rxptpctl = TG3_RX_PTP_CTL_RX_PTP_V1_EN |
13957 TG3_RX_PTP_CTL_SYNC_EVNT;
13958 break;
13959 case HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ:
13960 tp->rxptpctl = TG3_RX_PTP_CTL_RX_PTP_V1_EN |
13961 TG3_RX_PTP_CTL_DELAY_REQ;
13962 break;
13963 case HWTSTAMP_FILTER_PTP_V2_EVENT:
13964 tp->rxptpctl = TG3_RX_PTP_CTL_RX_PTP_V2_EN |
13965 TG3_RX_PTP_CTL_ALL_V2_EVENTS;
13966 break;
13967 case HWTSTAMP_FILTER_PTP_V2_L2_EVENT:
13968 tp->rxptpctl = TG3_RX_PTP_CTL_RX_PTP_V2_L2_EN |
13969 TG3_RX_PTP_CTL_ALL_V2_EVENTS;
13970 break;
13971 case HWTSTAMP_FILTER_PTP_V2_L4_EVENT:
13972 tp->rxptpctl = TG3_RX_PTP_CTL_RX_PTP_V2_L4_EN |
13973 TG3_RX_PTP_CTL_ALL_V2_EVENTS;
13974 break;
13975 case HWTSTAMP_FILTER_PTP_V2_SYNC:
13976 tp->rxptpctl = TG3_RX_PTP_CTL_RX_PTP_V2_EN |
13977 TG3_RX_PTP_CTL_SYNC_EVNT;
13978 break;
13979 case HWTSTAMP_FILTER_PTP_V2_L2_SYNC:
13980 tp->rxptpctl = TG3_RX_PTP_CTL_RX_PTP_V2_L2_EN |
13981 TG3_RX_PTP_CTL_SYNC_EVNT;
13982 break;
13983 case HWTSTAMP_FILTER_PTP_V2_L4_SYNC:
13984 tp->rxptpctl = TG3_RX_PTP_CTL_RX_PTP_V2_L4_EN |
13985 TG3_RX_PTP_CTL_SYNC_EVNT;
13986 break;
13987 case HWTSTAMP_FILTER_PTP_V2_DELAY_REQ:
13988 tp->rxptpctl = TG3_RX_PTP_CTL_RX_PTP_V2_EN |
13989 TG3_RX_PTP_CTL_DELAY_REQ;
13990 break;
13991 case HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ:
13992 tp->rxptpctl = TG3_RX_PTP_CTL_RX_PTP_V2_L2_EN |
13993 TG3_RX_PTP_CTL_DELAY_REQ;
13994 break;
13995 case HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ:
13996 tp->rxptpctl = TG3_RX_PTP_CTL_RX_PTP_V2_L4_EN |
13997 TG3_RX_PTP_CTL_DELAY_REQ;
13998 break;
13999 default:
14000 return -ERANGE;
14001 }
14002
14003 if (netif_running(dev) && tp->rxptpctl)
14004 tw32(TG3_RX_PTP_CTL,
14005 tp->rxptpctl | TG3_RX_PTP_CTL_HWTS_INTERLOCK);
14006
58b187c6
BH		 14007 if (stmpconf.tx_type == HWTSTAMP_TX_ON)
14008 tg3_flag_set(tp, TX_TSTAMP_EN);
14009 else
14010 tg3_flag_clear(tp, TX_TSTAMP_EN);
14011
0a633ac2
MC		 14012 return copy_to_user(ifr->ifr_data, &stmpconf, sizeof(stmpconf)) ?
14013 -EFAULT : 0;
14014}
14015
7260899b
BH		 14016static int tg3_hwtstamp_get(struct net_device *dev, struct ifreq *ifr)
14017{
14018 struct tg3 *tp = netdev_priv(dev);
14019 struct hwtstamp_config stmpconf;
14020
14021 if (!tg3_flag(tp, PTP_CAPABLE))
14022 return -EOPNOTSUPP;
14023
14024 stmpconf.flags = 0;
14025 stmpconf.tx_type = (tg3_flag(tp, TX_TSTAMP_EN) ?
14026 HWTSTAMP_TX_ON : HWTSTAMP_TX_OFF);
14027
14028 switch (tp->rxptpctl) {
14029 case 0:
14030 stmpconf.rx_filter = HWTSTAMP_FILTER_NONE;
14031 break;
14032 case TG3_RX_PTP_CTL_RX_PTP_V1_EN | TG3_RX_PTP_CTL_ALL_V1_EVENTS:
14033 stmpconf.rx_filter = HWTSTAMP_FILTER_PTP_V1_L4_EVENT;
14034 break;
14035 case TG3_RX_PTP_CTL_RX_PTP_V1_EN | TG3_RX_PTP_CTL_SYNC_EVNT:
14036 stmpconf.rx_filter = HWTSTAMP_FILTER_PTP_V1_L4_SYNC;
14037 break;
14038 case TG3_RX_PTP_CTL_RX_PTP_V1_EN | TG3_RX_PTP_CTL_DELAY_REQ:
14039 stmpconf.rx_filter = HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ;
14040 break;
14041 case TG3_RX_PTP_CTL_RX_PTP_V2_EN | TG3_RX_PTP_CTL_ALL_V2_EVENTS:
14042 stmpconf.rx_filter = HWTSTAMP_FILTER_PTP_V2_EVENT;
14043 break;
14044 case TG3_RX_PTP_CTL_RX_PTP_V2_L2_EN | TG3_RX_PTP_CTL_ALL_V2_EVENTS:
14045 stmpconf.rx_filter = HWTSTAMP_FILTER_PTP_V2_L2_EVENT;
14046 break;
14047 case TG3_RX_PTP_CTL_RX_PTP_V2_L4_EN | TG3_RX_PTP_CTL_ALL_V2_EVENTS:
14048 stmpconf.rx_filter = HWTSTAMP_FILTER_PTP_V2_L4_EVENT;
14049 break;
14050 case TG3_RX_PTP_CTL_RX_PTP_V2_EN | TG3_RX_PTP_CTL_SYNC_EVNT:
14051 stmpconf.rx_filter = HWTSTAMP_FILTER_PTP_V2_SYNC;
14052 break;
14053 case TG3_RX_PTP_CTL_RX_PTP_V2_L2_EN | TG3_RX_PTP_CTL_SYNC_EVNT:
14054 stmpconf.rx_filter = HWTSTAMP_FILTER_PTP_V2_L2_SYNC;
14055 break;
14056 case TG3_RX_PTP_CTL_RX_PTP_V2_L4_EN | TG3_RX_PTP_CTL_SYNC_EVNT:
14057 stmpconf.rx_filter = HWTSTAMP_FILTER_PTP_V2_L4_SYNC;
14058 break;
14059 case TG3_RX_PTP_CTL_RX_PTP_V2_EN | TG3_RX_PTP_CTL_DELAY_REQ:
14060 stmpconf.rx_filter = HWTSTAMP_FILTER_PTP_V2_DELAY_REQ;
14061 break;
14062 case TG3_RX_PTP_CTL_RX_PTP_V2_L2_EN | TG3_RX_PTP_CTL_DELAY_REQ:
14063 stmpconf.rx_filter = HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ;
14064 break;
14065 case TG3_RX_PTP_CTL_RX_PTP_V2_L4_EN | TG3_RX_PTP_CTL_DELAY_REQ:
14066 stmpconf.rx_filter = HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ;
14067 break;
14068 default:
14069 WARN_ON_ONCE(1);
14070 return -ERANGE;
14071 }
14072
14073 return copy_to_user(ifr->ifr_data, &stmpconf, sizeof(stmpconf)) ?
14074 -EFAULT : 0;
14075}
14076
1da177e4
LT		 14077static int tg3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
14078{
14079 struct mii_ioctl_data *data = if_mii(ifr);
14080 struct tg3 *tp = netdev_priv(dev);
14081 int err;
14082
63c3a66f 14083 if (tg3_flag(tp, USE_PHYLIB)) {
3f0e3ad7 14084 struct phy_device *phydev;
f07e9af3 14085 if (!(tp->phy_flags & TG3_PHYFLG_IS_CONNECTED))
b02fd9e3 14086 return -EAGAIN;
7f854420 14087 phydev = mdiobus_get_phy(tp->mdio_bus, tp->phy_addr);
28b04113 14088 return phy_mii_ioctl(phydev, ifr, cmd);
b02fd9e3
MC		 14089 }
14090
33f401ae 14091 switch (cmd) {
1da177e4 14092 case SIOCGMIIPHY:
882e9793 14093 data->phy_id = tp->phy_addr;
1da177e4 14094
df561f66 14095 fallthrough;
1da177e4
LT		 14096 case SIOCGMIIREG: {
14097 u32 mii_regval;
14098
f07e9af3 14099 if (tp->phy_flags & TG3_PHYFLG_PHY_SERDES)
1da177e4
LT		 14100 break; /* We have no PHY */
14101
34eea5ac 14102 if (!netif_running(dev))
bc1c7567
MC		 14103 return -EAGAIN;
14104
f47c11ee 14105 spin_lock_bh(&tp->lock);
5c358045
HM		 14106 err = __tg3_readphy(tp, data->phy_id & 0x1f,
14107 data->reg_num & 0x1f, &mii_regval);
f47c11ee 14108 spin_unlock_bh(&tp->lock);
1da177e4
LT		 14109
14110 data->val_out = mii_regval;
14111
14112 return err;
14113 }
14114
14115 case SIOCSMIIREG:
f07e9af3 14116 if (tp->phy_flags & TG3_PHYFLG_PHY_SERDES)
1da177e4
LT		 14117 break; /* We have no PHY */
14118
34eea5ac 14119 if (!netif_running(dev))
bc1c7567
MC		 14120 return -EAGAIN;
14121
f47c11ee 14122 spin_lock_bh(&tp->lock);
5c358045
HM		 14123 err = __tg3_writephy(tp, data->phy_id & 0x1f,
14124 data->reg_num & 0x1f, data->val_in);
f47c11ee 14125 spin_unlock_bh(&tp->lock);
1da177e4
LT		 14126
14127 return err;
14128
0a633ac2 14129 case SIOCSHWTSTAMP:
7260899b
BH		 14130 return tg3_hwtstamp_set(dev, ifr);
14131
14132 case SIOCGHWTSTAMP:
14133 return tg3_hwtstamp_get(dev, ifr);
0a633ac2 14134
1da177e4
LT		 14135 default:
14136 /* do nothing */
14137 break;
14138 }
14139 return -EOPNOTSUPP;
14140}
14141
f3ccfda1
YM		 14142static int tg3_get_coalesce(struct net_device *dev,
14143 struct ethtool_coalesce *ec,
14144 struct kernel_ethtool_coalesce *kernel_coal,
14145 struct netlink_ext_ack *extack)
15f9850d
DM		 14146{
14147 struct tg3 *tp = netdev_priv(dev);
14148
14149 memcpy(ec, &tp->coal, sizeof(*ec));
14150 return 0;
14151}
14152
f3ccfda1
YM		 14153static int tg3_set_coalesce(struct net_device *dev,
14154 struct ethtool_coalesce *ec,
14155 struct kernel_ethtool_coalesce *kernel_coal,
14156 struct netlink_ext_ack *extack)
d244c892
MC		 14157{
14158 struct tg3 *tp = netdev_priv(dev);
14159 u32 max_rxcoal_tick_int = 0, max_txcoal_tick_int = 0;
14160 u32 max_stat_coal_ticks = 0, min_stat_coal_ticks = 0;
14161
63c3a66f 14162 if (!tg3_flag(tp, 5705_PLUS)) {
d244c892
MC		 14163 max_rxcoal_tick_int = MAX_RXCOAL_TICK_INT;
14164 max_txcoal_tick_int = MAX_TXCOAL_TICK_INT;
14165 max_stat_coal_ticks = MAX_STAT_COAL_TICKS;
14166 min_stat_coal_ticks = MIN_STAT_COAL_TICKS;
14167 }
14168
14169 if ((ec->rx_coalesce_usecs > MAX_RXCOL_TICKS) ||
087d7a8c 14170 (!ec->rx_coalesce_usecs) ||
d244c892 14171 (ec->tx_coalesce_usecs > MAX_TXCOL_TICKS) ||
aabdd09d 14172 (!ec->tx_coalesce_usecs) ||
d244c892
MC		 14173 (ec->rx_max_coalesced_frames > MAX_RXMAX_FRAMES) ||
14174 (ec->tx_max_coalesced_frames > MAX_TXMAX_FRAMES) ||
14175 (ec->rx_coalesce_usecs_irq > max_rxcoal_tick_int) ||
14176 (ec->tx_coalesce_usecs_irq > max_txcoal_tick_int) ||
14177 (ec->rx_max_coalesced_frames_irq > MAX_RXCOAL_MAXF_INT) ||
14178 (ec->tx_max_coalesced_frames_irq > MAX_TXCOAL_MAXF_INT) ||
14179 (ec->stats_block_coalesce_usecs > max_stat_coal_ticks) ||
14180 (ec->stats_block_coalesce_usecs < min_stat_coal_ticks))
14181 return -EINVAL;
14182
d244c892
MC		 14183 /* Only copy relevant parameters, ignore all others. */
14184 tp->coal.rx_coalesce_usecs = ec->rx_coalesce_usecs;
14185 tp->coal.tx_coalesce_usecs = ec->tx_coalesce_usecs;
14186 tp->coal.rx_max_coalesced_frames = ec->rx_max_coalesced_frames;
14187 tp->coal.tx_max_coalesced_frames = ec->tx_max_coalesced_frames;
14188 tp->coal.rx_coalesce_usecs_irq = ec->rx_coalesce_usecs_irq;
14189 tp->coal.tx_coalesce_usecs_irq = ec->tx_coalesce_usecs_irq;
14190 tp->coal.rx_max_coalesced_frames_irq = ec->rx_max_coalesced_frames_irq;
14191 tp->coal.tx_max_coalesced_frames_irq = ec->tx_max_coalesced_frames_irq;
14192 tp->coal.stats_block_coalesce_usecs = ec->stats_block_coalesce_usecs;
14193
14194 if (netif_running(dev)) {
14195 tg3_full_lock(tp, 0);
14196 __tg3_set_coalesce(tp, &tp->coal);
14197 tg3_full_unlock(tp);
14198 }
14199 return 0;
14200}
14201
d80a5233 14202static int tg3_set_eee(struct net_device *dev, struct ethtool_keee *edata)
1cbf9eb8
NS		 14203{
14204 struct tg3 *tp = netdev_priv(dev);
14205
14206 if (!(tp->phy_flags & TG3_PHYFLG_EEE_CAP)) {
14207 netdev_warn(tp->dev, "Board does not support EEE!\n");
14208 return -EOPNOTSUPP;
14209 }
14210
9bc79134 14211 if (!linkmode_equal(edata->advertised, tp->eee.advertised)) {
1cbf9eb8
NS		 14212 netdev_warn(tp->dev,
14213 "Direct manipulation of EEE advertisement is not supported\n");
14214 return -EINVAL;
14215 }
14216
14217 if (edata->tx_lpi_timer > TG3_CPMU_DBTMR1_LNKIDLE_MAX) {
14218 netdev_warn(tp->dev,
14219 "Maximal Tx Lpi timer supported is %#x(u)\n",
14220 TG3_CPMU_DBTMR1_LNKIDLE_MAX);
14221 return -EINVAL;
14222 }
14223
8306ee08
HK		 14224 tp->eee.eee_enabled = edata->eee_enabled;
14225 tp->eee.tx_lpi_enabled = edata->tx_lpi_enabled;
14226 tp->eee.tx_lpi_timer = edata->tx_lpi_timer;
1cbf9eb8
NS		 14227
14228 tp->phy_flags |= TG3_PHYFLG_USER_CONFIGURED;
14229 tg3_warn_mgmt_link_flap(tp);
14230
14231 if (netif_running(tp->dev)) {
14232 tg3_full_lock(tp, 0);
14233 tg3_setup_eee(tp);
14234 tg3_phy_reset(tp);
14235 tg3_full_unlock(tp);
14236 }
14237
14238 return 0;
14239}
14240
d80a5233 14241static int tg3_get_eee(struct net_device *dev, struct ethtool_keee *edata)
1cbf9eb8
NS		 14242{
14243 struct tg3 *tp = netdev_priv(dev);
14244
14245 if (!(tp->phy_flags & TG3_PHYFLG_EEE_CAP)) {
14246 netdev_warn(tp->dev,
14247 "Board does not support EEE!\n");
14248 return -EOPNOTSUPP;
14249 }
14250
14251 *edata = tp->eee;
14252 return 0;
14253}
14254
7282d491 14255static const struct ethtool_ops tg3_ethtool_ops = {
3eb2efbe
JK		 14256 .supported_coalesce_params = ETHTOOL_COALESCE_USECS |
14257 ETHTOOL_COALESCE_MAX_FRAMES |
14258 ETHTOOL_COALESCE_USECS_IRQ |
14259 ETHTOOL_COALESCE_MAX_FRAMES_IRQ |
14260 ETHTOOL_COALESCE_STATS_BLOCK_USECS,
1da177e4
LT		 14261 .get_drvinfo = tg3_get_drvinfo,
14262 .get_regs_len = tg3_get_regs_len,
14263 .get_regs = tg3_get_regs,
14264 .get_wol = tg3_get_wol,
14265 .set_wol = tg3_set_wol,
14266 .get_msglevel = tg3_get_msglevel,
14267 .set_msglevel = tg3_set_msglevel,
14268 .nway_reset = tg3_nway_reset,
14269 .get_link = ethtool_op_get_link,
14270 .get_eeprom_len = tg3_get_eeprom_len,
14271 .get_eeprom = tg3_get_eeprom,
14272 .set_eeprom = tg3_set_eeprom,
14273 .get_ringparam = tg3_get_ringparam,
14274 .set_ringparam = tg3_set_ringparam,
14275 .get_pauseparam = tg3_get_pauseparam,
14276 .set_pauseparam = tg3_set_pauseparam,
4cafd3f5 14277 .self_test = tg3_self_test,
1da177e4 14278 .get_strings = tg3_get_strings,
81b8709c 14279 .set_phys_id = tg3_set_phys_id,
1da177e4 14280 .get_ethtool_stats = tg3_get_ethtool_stats,
15f9850d 14281 .get_coalesce = tg3_get_coalesce,
d244c892 14282 .set_coalesce = tg3_set_coalesce,
b9f2c044 14283 .get_sset_count = tg3_get_sset_count,
90415477
MC		 14284 .get_rxnfc = tg3_get_rxnfc,
14285 .get_rxfh_indir_size = tg3_get_rxfh_indir_size,
fe62d001
BH		 14286 .get_rxfh = tg3_get_rxfh,
14287 .set_rxfh = tg3_set_rxfh,
0968169c
MC		 14288 .get_channels = tg3_get_channels,
14289 .set_channels = tg3_set_channels,
7d41e49a 14290 .get_ts_info = tg3_get_ts_info,
1cbf9eb8
NS		 14291 .get_eee = tg3_get_eee,
14292 .set_eee = tg3_set_eee,
b6f5be28
PR		 14293 .get_link_ksettings = tg3_get_link_ksettings,
14294 .set_link_ksettings = tg3_set_link_ksettings,
1da177e4
LT		 14295};
14296
bc1f4470 14297static void tg3_get_stats64(struct net_device *dev,
14298 struct rtnl_link_stats64 *stats)
b4017c53
DM		 14299{
14300 struct tg3 *tp = netdev_priv(dev);
14301
0f566b20 14302 spin_lock_bh(&tp->lock);
d89a2adb 14303 if (!tp->hw_stats || !tg3_flag(tp, INIT_COMPLETE)) {
7b31b4de 14304 *stats = tp->net_stats_prev;
0f566b20 14305 spin_unlock_bh(&tp->lock);
bc1f4470 14306 return;
0f566b20 14307 }
b4017c53 14308
b4017c53
DM		 14309 tg3_get_nstats(tp, stats);
14310 spin_unlock_bh(&tp->lock);
b4017c53
DM		 14311}
14312
ccd5ba9d
MC		 14313static void tg3_set_rx_mode(struct net_device *dev)
14314{
14315 struct tg3 *tp = netdev_priv(dev);
14316
14317 if (!netif_running(dev))
14318 return;
14319
14320 tg3_full_lock(tp, 0);
14321 __tg3_set_rx_mode(dev);
14322 tg3_full_unlock(tp);
14323}
14324
faf1627a
MC		 14325static inline void tg3_set_mtu(struct net_device *dev, struct tg3 *tp,
14326 int new_mtu)
14327{
1eb2cded 14328 WRITE_ONCE(dev->mtu, new_mtu);
faf1627a
MC		 14329
14330 if (new_mtu > ETH_DATA_LEN) {
14331 if (tg3_flag(tp, 5780_CLASS)) {
14332 netdev_update_features(dev);
14333 tg3_flag_clear(tp, TSO_CAPABLE);
14334 } else {
14335 tg3_flag_set(tp, JUMBO_RING_ENABLE);
14336 }
14337 } else {
14338 if (tg3_flag(tp, 5780_CLASS)) {
14339 tg3_flag_set(tp, TSO_CAPABLE);
14340 netdev_update_features(dev);
14341 }
14342 tg3_flag_clear(tp, JUMBO_RING_ENABLE);
14343 }
14344}
14345
14346static int tg3_change_mtu(struct net_device *dev, int new_mtu)
14347{
14348 struct tg3 *tp = netdev_priv(dev);
953c96e0
JP		 14349 int err;
14350 bool reset_phy = false;
faf1627a 14351
faf1627a
MC		 14352 if (!netif_running(dev)) {
14353 /* We'll just catch it later when the
14354 * device is up'd.
14355 */
14356 tg3_set_mtu(dev, tp, new_mtu);
14357 return 0;
14358 }
14359
14360 tg3_phy_stop(tp);
14361
14362 tg3_netif_stop(tp);
14363
c6993dfd
NS		 14364 tg3_set_mtu(dev, tp, new_mtu);
14365
8ed47e4e 14366 netdev_lock(dev);
faf1627a
MC		 14367 tg3_full_lock(tp, 1);
14368
14369 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
14370
2fae5e36
MC		 14371 /* Reset PHY, otherwise the read DMA engine will be in a mode that
14372 * breaks all requests to 256 bytes.
14373 */
748a240c
BK		 14374 if (tg3_asic_rev(tp) == ASIC_REV_57766 ||
14375 tg3_asic_rev(tp) == ASIC_REV_5717 ||
e60ee41a
SRK		 14376 tg3_asic_rev(tp) == ASIC_REV_5719 ||
14377 tg3_asic_rev(tp) == ASIC_REV_5720)
953c96e0 14378 reset_phy = true;
2fae5e36
MC		 14379
14380 err = tg3_restart_hw(tp, reset_phy);
faf1627a
MC		 14381
14382 if (!err)
14383 tg3_netif_start(tp);
14384
14385 tg3_full_unlock(tp);
8ed47e4e 14386 netdev_unlock(dev);
faf1627a
MC		 14387
14388 if (!err)
14389 tg3_phy_start(tp);
14390
14391 return err;
14392}
14393
14394static const struct net_device_ops tg3_netdev_ops = {
14395 .ndo_open = tg3_open,
14396 .ndo_stop = tg3_close,
14397 .ndo_start_xmit = tg3_start_xmit,
14398 .ndo_get_stats64 = tg3_get_stats64,
14399 .ndo_validate_addr = eth_validate_addr,
14400 .ndo_set_rx_mode = tg3_set_rx_mode,
14401 .ndo_set_mac_address = tg3_set_mac_addr,
a7605370 14402 .ndo_eth_ioctl = tg3_ioctl,
faf1627a
MC		 14403 .ndo_tx_timeout = tg3_tx_timeout,
14404 .ndo_change_mtu = tg3_change_mtu,
14405 .ndo_fix_features = tg3_fix_features,
14406 .ndo_set_features = tg3_set_features,
14407#ifdef CONFIG_NET_POLL_CONTROLLER
14408 .ndo_poll_controller = tg3_poll_controller,
14409#endif
14410};
14411
229b1ad1 14412static void tg3_get_eeprom_size(struct tg3 *tp)
1da177e4 14413{
1b27777a 14414 u32 cursize, val, magic;
1da177e4
LT		 14415
14416 tp->nvram_size = EEPROM_CHIP_SIZE;
14417
e4f34110 14418 if (tg3_nvram_read(tp, 0, &magic) != 0)
1da177e4
LT		 14419 return;
14420
b16250e3
MC		 14421 if ((magic != TG3_EEPROM_MAGIC) &&
14422 ((magic & TG3_EEPROM_MAGIC_FW_MSK) != TG3_EEPROM_MAGIC_FW) &&
14423 ((magic & TG3_EEPROM_MAGIC_HW_MSK) != TG3_EEPROM_MAGIC_HW))
1da177e4
LT		 14424 return;
14425
14426 /*
14427 * Size the chip by reading offsets at increasing powers of two.
14428 * When we encounter our validation signature, we know the addressing
14429 * has wrapped around, and thus have our chip size.
14430 */
1b27777a 14431 cursize = 0x10;
1da177e4
LT		 14432
14433 while (cursize < tp->nvram_size) {
e4f34110 14434 if (tg3_nvram_read(tp, cursize, &val) != 0)
1da177e4
LT		 14435 return;
14436
1820180b 14437 if (val == magic)
1da177e4
LT		 14438 break;
14439
14440 cursize <<= 1;
14441 }
14442
14443 tp->nvram_size = cursize;
14444}
6aa20a22 14445
229b1ad1 14446static void tg3_get_nvram_size(struct tg3 *tp)
1da177e4
LT		 14447{
14448 u32 val;
14449
63c3a66f 14450 if (tg3_flag(tp, NO_NVRAM) || tg3_nvram_read(tp, 0, &val) != 0)
1b27777a
MC		 14451 return;
14452
14453 /* Selfboot format */
1820180b 14454 if (val != TG3_EEPROM_MAGIC) {
1b27777a
MC		 14455 tg3_get_eeprom_size(tp);
14456 return;
14457 }
14458
6d348f2c 14459 if (tg3_nvram_read(tp, 0xf0, &val) == 0) {
1da177e4 14460 if (val != 0) {
6d348f2c
MC		 14461 /* This is confusing. We want to operate on the
14462 * 16-bit value at offset 0xf2. The tg3_nvram_read()
14463 * call will read from NVRAM and byteswap the data
14464 * according to the byteswapping settings for all
14465 * other register accesses. This ensures the data we
14466 * want will always reside in the lower 16-bits.
14467 * However, the data in NVRAM is in LE format, which
14468 * means the data from the NVRAM read will always be
14469 * opposite the endianness of the CPU. The 16-bit
14470 * byteswap then brings the data to CPU endianness.
14471 */
14472 tp->nvram_size = swab16((u16)(val & 0x0000ffff)) * 1024;
1da177e4
LT		 14473 return;
14474 }
14475 }
fd1122a2 14476 tp->nvram_size = TG3_NVRAM_SIZE_512KB;
1da177e4
LT		 14477}
14478
229b1ad1 14479static void tg3_get_nvram_info(struct tg3 *tp)
1da177e4
LT		 14480{
14481 u32 nvcfg1;
14482
14483 nvcfg1 = tr32(NVRAM_CFG1);
14484 if (nvcfg1 & NVRAM_CFG1_FLASHIF_ENAB) {
63c3a66f 14485 tg3_flag_set(tp, FLASH);
8590a603 14486 } else {
1da177e4
LT		 14487 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
14488 tw32(NVRAM_CFG1, nvcfg1);
14489 }
14490
4153577a 14491 if (tg3_asic_rev(tp) == ASIC_REV_5750 ||
63c3a66f 14492 tg3_flag(tp, 5780_CLASS)) {
1da177e4 14493 switch (nvcfg1 & NVRAM_CFG1_VENDOR_MASK) {
8590a603
MC		 14494 case FLASH_VENDOR_ATMEL_FLASH_BUFFERED:
14495 tp->nvram_jedecnum = JEDEC_ATMEL;
14496 tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
63c3a66f 14497 tg3_flag_set(tp, NVRAM_BUFFERED);
8590a603
MC		 14498 break;
14499 case FLASH_VENDOR_ATMEL_FLASH_UNBUFFERED:
14500 tp->nvram_jedecnum = JEDEC_ATMEL;
14501 tp->nvram_pagesize = ATMEL_AT25F512_PAGE_SIZE;
14502 break;
14503 case FLASH_VENDOR_ATMEL_EEPROM:
14504 tp->nvram_jedecnum = JEDEC_ATMEL;
14505 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
63c3a66f 14506 tg3_flag_set(tp, NVRAM_BUFFERED);
8590a603
MC		 14507 break;
14508 case FLASH_VENDOR_ST:
14509 tp->nvram_jedecnum = JEDEC_ST;
14510 tp->nvram_pagesize = ST_M45PEX0_PAGE_SIZE;
63c3a66f 14511 tg3_flag_set(tp, NVRAM_BUFFERED);
8590a603
MC		 14512 break;
14513 case FLASH_VENDOR_SAIFUN:
14514 tp->nvram_jedecnum = JEDEC_SAIFUN;
14515 tp->nvram_pagesize = SAIFUN_SA25F0XX_PAGE_SIZE;
14516 break;
14517 case FLASH_VENDOR_SST_SMALL:
14518 case FLASH_VENDOR_SST_LARGE:
14519 tp->nvram_jedecnum = JEDEC_SST;
14520 tp->nvram_pagesize = SST_25VF0X0_PAGE_SIZE;
14521 break;
1da177e4 14522 }
8590a603 14523 } else {
1da177e4
LT		 14524 tp->nvram_jedecnum = JEDEC_ATMEL;
14525 tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
63c3a66f 14526 tg3_flag_set(tp, NVRAM_BUFFERED);
1da177e4
LT		 14527 }
14528}
14529
229b1ad1 14530static void tg3_nvram_get_pagesize(struct tg3 *tp, u32 nvmcfg1)
a1b950d5
MC		 14531{
14532 switch (nvmcfg1 & NVRAM_CFG1_5752PAGE_SIZE_MASK) {
14533 case FLASH_5752PAGE_SIZE_256:
14534 tp->nvram_pagesize = 256;
14535 break;
14536 case FLASH_5752PAGE_SIZE_512:
14537 tp->nvram_pagesize = 512;
14538 break;
14539 case FLASH_5752PAGE_SIZE_1K:
14540 tp->nvram_pagesize = 1024;
14541 break;
14542 case FLASH_5752PAGE_SIZE_2K:
14543 tp->nvram_pagesize = 2048;
14544 break;
14545 case FLASH_5752PAGE_SIZE_4K:
14546 tp->nvram_pagesize = 4096;
14547 break;
14548 case FLASH_5752PAGE_SIZE_264:
14549 tp->nvram_pagesize = 264;
14550 break;
14551 case FLASH_5752PAGE_SIZE_528:
14552 tp->nvram_pagesize = 528;
14553 break;
14554 }
14555}
14556
229b1ad1 14557static void tg3_get_5752_nvram_info(struct tg3 *tp)
361b4ac2
MC		 14558{
14559 u32 nvcfg1;
14560
14561 nvcfg1 = tr32(NVRAM_CFG1);
14562
e6af301b
MC		 14563 /* NVRAM protection for TPM */
14564 if (nvcfg1 & (1 << 27))
63c3a66f 14565 tg3_flag_set(tp, PROTECTED_NVRAM);
e6af301b 14566
361b4ac2 14567 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
8590a603
MC		 14568 case FLASH_5752VENDOR_ATMEL_EEPROM_64KHZ:
14569 case FLASH_5752VENDOR_ATMEL_EEPROM_376KHZ:
14570 tp->nvram_jedecnum = JEDEC_ATMEL;
63c3a66f 14571 tg3_flag_set(tp, NVRAM_BUFFERED);
8590a603
MC		 14572 break;
14573 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
14574 tp->nvram_jedecnum = JEDEC_ATMEL;
63c3a66f
JP		 14575 tg3_flag_set(tp, NVRAM_BUFFERED);
14576 tg3_flag_set(tp, FLASH);
8590a603
MC		 14577 break;
14578 case FLASH_5752VENDOR_ST_M45PE10:
14579 case FLASH_5752VENDOR_ST_M45PE20:
14580 case FLASH_5752VENDOR_ST_M45PE40:
14581 tp->nvram_jedecnum = JEDEC_ST;
63c3a66f
JP		 14582 tg3_flag_set(tp, NVRAM_BUFFERED);
14583 tg3_flag_set(tp, FLASH);
8590a603 14584 break;
361b4ac2
MC		 14585 }
14586
63c3a66f 14587 if (tg3_flag(tp, FLASH)) {
a1b950d5 14588 tg3_nvram_get_pagesize(tp, nvcfg1);
8590a603 14589 } else {
361b4ac2
MC		 14590 /* For eeprom, set pagesize to maximum eeprom size */
14591 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
14592
14593 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
14594 tw32(NVRAM_CFG1, nvcfg1);
14595 }
14596}
14597
229b1ad1 14598static void tg3_get_5755_nvram_info(struct tg3 *tp)
d3c7b886 14599{
989a9d23 14600 u32 nvcfg1, protect = 0;
d3c7b886
MC		 14601
14602 nvcfg1 = tr32(NVRAM_CFG1);
14603
14604 /* NVRAM protection for TPM */
989a9d23 14605 if (nvcfg1 & (1 << 27)) {
63c3a66f 14606 tg3_flag_set(tp, PROTECTED_NVRAM);
989a9d23
MC		 14607 protect = 1;
14608 }
d3c7b886 14609
989a9d23
MC		 14610 nvcfg1 &= NVRAM_CFG1_5752VENDOR_MASK;
14611 switch (nvcfg1) {
8590a603
MC		 14612 case FLASH_5755VENDOR_ATMEL_FLASH_1:
14613 case FLASH_5755VENDOR_ATMEL_FLASH_2:
14614 case FLASH_5755VENDOR_ATMEL_FLASH_3:
14615 case FLASH_5755VENDOR_ATMEL_FLASH_5:
14616 tp->nvram_jedecnum = JEDEC_ATMEL;
63c3a66f
JP		 14617 tg3_flag_set(tp, NVRAM_BUFFERED);
14618 tg3_flag_set(tp, FLASH);
8590a603
MC		 14619 tp->nvram_pagesize = 264;
14620 if (nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_1 ||
14621 nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_5)
14622 tp->nvram_size = (protect ? 0x3e200 :
14623 TG3_NVRAM_SIZE_512KB);
14624 else if (nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_2)
14625 tp->nvram_size = (protect ? 0x1f200 :
14626 TG3_NVRAM_SIZE_256KB);
14627 else
14628 tp->nvram_size = (protect ? 0x1f200 :
14629 TG3_NVRAM_SIZE_128KB);
14630 break;
14631 case FLASH_5752VENDOR_ST_M45PE10:
14632 case FLASH_5752VENDOR_ST_M45PE20:
14633 case FLASH_5752VENDOR_ST_M45PE40:
14634 tp->nvram_jedecnum = JEDEC_ST;
63c3a66f
JP		 14635 tg3_flag_set(tp, NVRAM_BUFFERED);
14636 tg3_flag_set(tp, FLASH);
8590a603
MC		 14637 tp->nvram_pagesize = 256;
14638 if (nvcfg1 == FLASH_5752VENDOR_ST_M45PE10)
14639 tp->nvram_size = (protect ?
14640 TG3_NVRAM_SIZE_64KB :
14641 TG3_NVRAM_SIZE_128KB);
14642 else if (nvcfg1 == FLASH_5752VENDOR_ST_M45PE20)
14643 tp->nvram_size = (protect ?
14644 TG3_NVRAM_SIZE_64KB :
14645 TG3_NVRAM_SIZE_256KB);
14646 else
14647 tp->nvram_size = (protect ?
14648 TG3_NVRAM_SIZE_128KB :
14649 TG3_NVRAM_SIZE_512KB);
14650 break;
d3c7b886
MC		 14651 }
14652}
14653
229b1ad1 14654static void tg3_get_5787_nvram_info(struct tg3 *tp)
1b27777a
MC		 14655{
14656 u32 nvcfg1;
14657
14658 nvcfg1 = tr32(NVRAM_CFG1);
14659
14660 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
8590a603
MC		 14661 case FLASH_5787VENDOR_ATMEL_EEPROM_64KHZ:
14662 case FLASH_5787VENDOR_ATMEL_EEPROM_376KHZ:
14663 case FLASH_5787VENDOR_MICRO_EEPROM_64KHZ:
14664 case FLASH_5787VENDOR_MICRO_EEPROM_376KHZ:
14665 tp->nvram_jedecnum = JEDEC_ATMEL;
63c3a66f 14666 tg3_flag_set(tp, NVRAM_BUFFERED);
8590a603 14667 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
1b27777a 14668
8590a603
MC		 14669 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
14670 tw32(NVRAM_CFG1, nvcfg1);
14671 break;
14672 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
14673 case FLASH_5755VENDOR_ATMEL_FLASH_1:
14674 case FLASH_5755VENDOR_ATMEL_FLASH_2:
14675 case FLASH_5755VENDOR_ATMEL_FLASH_3:
14676 tp->nvram_jedecnum = JEDEC_ATMEL;
63c3a66f
JP		 14677 tg3_flag_set(tp, NVRAM_BUFFERED);
14678 tg3_flag_set(tp, FLASH);
8590a603
MC		 14679 tp->nvram_pagesize = 264;
14680 break;
14681 case FLASH_5752VENDOR_ST_M45PE10:
14682 case FLASH_5752VENDOR_ST_M45PE20:
14683 case FLASH_5752VENDOR_ST_M45PE40:
14684 tp->nvram_jedecnum = JEDEC_ST;
63c3a66f
JP		 14685 tg3_flag_set(tp, NVRAM_BUFFERED);
14686 tg3_flag_set(tp, FLASH);
8590a603
MC		 14687 tp->nvram_pagesize = 256;
14688 break;
1b27777a
MC		 14689 }
14690}
14691
229b1ad1 14692static void tg3_get_5761_nvram_info(struct tg3 *tp)
6b91fa02
MC		 14693{
14694 u32 nvcfg1, protect = 0;
14695
14696 nvcfg1 = tr32(NVRAM_CFG1);
14697
14698 /* NVRAM protection for TPM */
14699 if (nvcfg1 & (1 << 27)) {
63c3a66f 14700 tg3_flag_set(tp, PROTECTED_NVRAM);
6b91fa02
MC		 14701 protect = 1;
14702 }
14703
14704 nvcfg1 &= NVRAM_CFG1_5752VENDOR_MASK;
14705 switch (nvcfg1) {
8590a603
MC		 14706 case FLASH_5761VENDOR_ATMEL_ADB021D:
14707 case FLASH_5761VENDOR_ATMEL_ADB041D:
14708 case FLASH_5761VENDOR_ATMEL_ADB081D:
14709 case FLASH_5761VENDOR_ATMEL_ADB161D:
14710 case FLASH_5761VENDOR_ATMEL_MDB021D:
14711 case FLASH_5761VENDOR_ATMEL_MDB041D:
14712 case FLASH_5761VENDOR_ATMEL_MDB081D:
14713 case FLASH_5761VENDOR_ATMEL_MDB161D:
14714 tp->nvram_jedecnum = JEDEC_ATMEL;
63c3a66f
JP		 14715 tg3_flag_set(tp, NVRAM_BUFFERED);
14716 tg3_flag_set(tp, FLASH);
14717 tg3_flag_set(tp, NO_NVRAM_ADDR_TRANS);
8590a603
MC		 14718 tp->nvram_pagesize = 256;
14719 break;
14720 case FLASH_5761VENDOR_ST_A_M45PE20:
14721 case FLASH_5761VENDOR_ST_A_M45PE40:
14722 case FLASH_5761VENDOR_ST_A_M45PE80:
14723 case FLASH_5761VENDOR_ST_A_M45PE16:
14724 case FLASH_5761VENDOR_ST_M_M45PE20:
14725 case FLASH_5761VENDOR_ST_M_M45PE40:
14726 case FLASH_5761VENDOR_ST_M_M45PE80:
14727 case FLASH_5761VENDOR_ST_M_M45PE16:
14728 tp->nvram_jedecnum = JEDEC_ST;
63c3a66f
JP		 14729 tg3_flag_set(tp, NVRAM_BUFFERED);
14730 tg3_flag_set(tp, FLASH);
8590a603
MC		 14731 tp->nvram_pagesize = 256;
14732 break;
6b91fa02
MC		 14733 }
14734
14735 if (protect) {
14736 tp->nvram_size = tr32(NVRAM_ADDR_LOCKOUT);
14737 } else {
14738 switch (nvcfg1) {
8590a603
MC		 14739 case FLASH_5761VENDOR_ATMEL_ADB161D:
14740 case FLASH_5761VENDOR_ATMEL_MDB161D:
14741 case FLASH_5761VENDOR_ST_A_M45PE16:
14742 case FLASH_5761VENDOR_ST_M_M45PE16:
14743 tp->nvram_size = TG3_NVRAM_SIZE_2MB;
14744 break;
14745 case FLASH_5761VENDOR_ATMEL_ADB081D:
14746 case FLASH_5761VENDOR_ATMEL_MDB081D:
14747 case FLASH_5761VENDOR_ST_A_M45PE80:
14748 case FLASH_5761VENDOR_ST_M_M45PE80:
14749 tp->nvram_size = TG3_NVRAM_SIZE_1MB;
14750 break;
14751 case FLASH_5761VENDOR_ATMEL_ADB041D:
14752 case FLASH_5761VENDOR_ATMEL_MDB041D:
14753 case FLASH_5761VENDOR_ST_A_M45PE40:
14754 case FLASH_5761VENDOR_ST_M_M45PE40:
14755 tp->nvram_size = TG3_NVRAM_SIZE_512KB;
14756 break;
14757 case FLASH_5761VENDOR_ATMEL_ADB021D:
14758 case FLASH_5761VENDOR_ATMEL_MDB021D:
14759 case FLASH_5761VENDOR_ST_A_M45PE20:
14760 case FLASH_5761VENDOR_ST_M_M45PE20:
14761 tp->nvram_size = TG3_NVRAM_SIZE_256KB;
14762 break;
6b91fa02
MC		 14763 }
14764 }
14765}
14766
229b1ad1 14767static void tg3_get_5906_nvram_info(struct tg3 *tp)
b5d3772c
MC		 14768{
14769 tp->nvram_jedecnum = JEDEC_ATMEL;
63c3a66f 14770 tg3_flag_set(tp, NVRAM_BUFFERED);
b5d3772c
MC		 14771 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
14772}
14773
229b1ad1 14774static void tg3_get_57780_nvram_info(struct tg3 *tp)
321d32a0
MC		 14775{
14776 u32 nvcfg1;
14777
14778 nvcfg1 = tr32(NVRAM_CFG1);
14779
14780 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
14781 case FLASH_5787VENDOR_ATMEL_EEPROM_376KHZ:
14782 case FLASH_5787VENDOR_MICRO_EEPROM_376KHZ:
14783 tp->nvram_jedecnum = JEDEC_ATMEL;
63c3a66f 14784 tg3_flag_set(tp, NVRAM_BUFFERED);
321d32a0
MC		 14785 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
14786
14787 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
14788 tw32(NVRAM_CFG1, nvcfg1);
14789 return;
14790 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
14791 case FLASH_57780VENDOR_ATMEL_AT45DB011D:
14792 case FLASH_57780VENDOR_ATMEL_AT45DB011B:
14793 case FLASH_57780VENDOR_ATMEL_AT45DB021D:
14794 case FLASH_57780VENDOR_ATMEL_AT45DB021B:
14795 case FLASH_57780VENDOR_ATMEL_AT45DB041D:
14796 case FLASH_57780VENDOR_ATMEL_AT45DB041B:
14797 tp->nvram_jedecnum = JEDEC_ATMEL;
63c3a66f
JP		 14798 tg3_flag_set(tp, NVRAM_BUFFERED);
14799 tg3_flag_set(tp, FLASH);
321d32a0
MC		 14800
14801 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
14802 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
14803 case FLASH_57780VENDOR_ATMEL_AT45DB011D:
14804 case FLASH_57780VENDOR_ATMEL_AT45DB011B:
14805 tp->nvram_size = TG3_NVRAM_SIZE_128KB;
14806 break;
14807 case FLASH_57780VENDOR_ATMEL_AT45DB021D:
14808 case FLASH_57780VENDOR_ATMEL_AT45DB021B:
14809 tp->nvram_size = TG3_NVRAM_SIZE_256KB;
14810 break;
14811 case FLASH_57780VENDOR_ATMEL_AT45DB041D:
14812 case FLASH_57780VENDOR_ATMEL_AT45DB041B:
14813 tp->nvram_size = TG3_NVRAM_SIZE_512KB;
14814 break;
14815 }
14816 break;
14817 case FLASH_5752VENDOR_ST_M45PE10:
14818 case FLASH_5752VENDOR_ST_M45PE20:
14819 case FLASH_5752VENDOR_ST_M45PE40:
14820 tp->nvram_jedecnum = JEDEC_ST;
63c3a66f
JP		 14821 tg3_flag_set(tp, NVRAM_BUFFERED);
14822 tg3_flag_set(tp, FLASH);
321d32a0
MC		 14823
14824 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
14825 case FLASH_5752VENDOR_ST_M45PE10:
14826 tp->nvram_size = TG3_NVRAM_SIZE_128KB;
14827 break;
14828 case FLASH_5752VENDOR_ST_M45PE20:
14829 tp->nvram_size = TG3_NVRAM_SIZE_256KB;
14830 break;
14831 case FLASH_5752VENDOR_ST_M45PE40:
14832 tp->nvram_size = TG3_NVRAM_SIZE_512KB;
14833 break;
14834 }
14835 break;
14836 default:
63c3a66f 14837 tg3_flag_set(tp, NO_NVRAM);
321d32a0
MC		 14838 return;
14839 }
14840
a1b950d5
MC		 14841 tg3_nvram_get_pagesize(tp, nvcfg1);
14842 if (tp->nvram_pagesize != 264 && tp->nvram_pagesize != 528)
63c3a66f 14843 tg3_flag_set(tp, NO_NVRAM_ADDR_TRANS);
a1b950d5
MC		 14844}
14845
14846
229b1ad1 14847static void tg3_get_5717_nvram_info(struct tg3 *tp)
a1b950d5
MC		 14848{
14849 u32 nvcfg1;
14850
14851 nvcfg1 = tr32(NVRAM_CFG1);
14852
14853 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
14854 case FLASH_5717VENDOR_ATMEL_EEPROM:
14855 case FLASH_5717VENDOR_MICRO_EEPROM:
14856 tp->nvram_jedecnum = JEDEC_ATMEL;
63c3a66f 14857 tg3_flag_set(tp, NVRAM_BUFFERED);
a1b950d5
MC		 14858 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
14859
14860 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
14861 tw32(NVRAM_CFG1, nvcfg1);
14862 return;
14863 case FLASH_5717VENDOR_ATMEL_MDB011D:
14864 case FLASH_5717VENDOR_ATMEL_ADB011B:
14865 case FLASH_5717VENDOR_ATMEL_ADB011D:
14866 case FLASH_5717VENDOR_ATMEL_MDB021D:
14867 case FLASH_5717VENDOR_ATMEL_ADB021B:
14868 case FLASH_5717VENDOR_ATMEL_ADB021D:
14869 case FLASH_5717VENDOR_ATMEL_45USPT:
14870 tp->nvram_jedecnum = JEDEC_ATMEL;
63c3a66f
JP		 14871 tg3_flag_set(tp, NVRAM_BUFFERED);
14872 tg3_flag_set(tp, FLASH);
a1b950d5
MC		 14873
14874 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
14875 case FLASH_5717VENDOR_ATMEL_MDB021D:
66ee33bf
MC		 14876 /* Detect size with tg3_nvram_get_size() */
14877 break;
a1b950d5
MC		 14878 case FLASH_5717VENDOR_ATMEL_ADB021B:
14879 case FLASH_5717VENDOR_ATMEL_ADB021D:
14880 tp->nvram_size = TG3_NVRAM_SIZE_256KB;
14881 break;
14882 default:
14883 tp->nvram_size = TG3_NVRAM_SIZE_128KB;
14884 break;
14885 }
321d32a0 14886 break;
a1b950d5
MC		 14887 case FLASH_5717VENDOR_ST_M_M25PE10:
14888 case FLASH_5717VENDOR_ST_A_M25PE10:
14889 case FLASH_5717VENDOR_ST_M_M45PE10:
14890 case FLASH_5717VENDOR_ST_A_M45PE10:
14891 case FLASH_5717VENDOR_ST_M_M25PE20:
14892 case FLASH_5717VENDOR_ST_A_M25PE20:
14893 case FLASH_5717VENDOR_ST_M_M45PE20:
14894 case FLASH_5717VENDOR_ST_A_M45PE20:
14895 case FLASH_5717VENDOR_ST_25USPT:
14896 case FLASH_5717VENDOR_ST_45USPT:
14897 tp->nvram_jedecnum = JEDEC_ST;
63c3a66f
JP		 14898 tg3_flag_set(tp, NVRAM_BUFFERED);
14899 tg3_flag_set(tp, FLASH);
a1b950d5
MC		 14900
14901 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
14902 case FLASH_5717VENDOR_ST_M_M25PE20:
a1b950d5 14903 case FLASH_5717VENDOR_ST_M_M45PE20:
66ee33bf
MC		 14904 /* Detect size with tg3_nvram_get_size() */
14905 break;
14906 case FLASH_5717VENDOR_ST_A_M25PE20:
a1b950d5
MC		 14907 case FLASH_5717VENDOR_ST_A_M45PE20:
14908 tp->nvram_size = TG3_NVRAM_SIZE_256KB;
14909 break;
14910 default:
14911 tp->nvram_size = TG3_NVRAM_SIZE_128KB;
14912 break;
14913 }
321d32a0 14914 break;
a1b950d5 14915 default:
63c3a66f 14916 tg3_flag_set(tp, NO_NVRAM);
a1b950d5 14917 return;
321d32a0 14918 }
a1b950d5
MC		 14919
14920 tg3_nvram_get_pagesize(tp, nvcfg1);
14921 if (tp->nvram_pagesize != 264 && tp->nvram_pagesize != 528)
63c3a66f 14922 tg3_flag_set(tp, NO_NVRAM_ADDR_TRANS);
321d32a0
MC		 14923}
14924
229b1ad1 14925static void tg3_get_5720_nvram_info(struct tg3 *tp)
9b91b5f1 14926{
8a4816ca 14927 u32 nvcfg1, nvmpinstrp, nv_status;
9b91b5f1
MC		 14928
14929 nvcfg1 = tr32(NVRAM_CFG1);
14930 nvmpinstrp = nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK;
14931
4153577a 14932 if (tg3_asic_rev(tp) == ASIC_REV_5762) {
c86a8560
MC		 14933 if (!(nvcfg1 & NVRAM_CFG1_5762VENDOR_MASK)) {
14934 tg3_flag_set(tp, NO_NVRAM);
14935 return;
14936 }
14937
14938 switch (nvmpinstrp) {
8a4816ca
PS		 14939 case FLASH_5762_MX25L_100:
14940 case FLASH_5762_MX25L_200:
14941 case FLASH_5762_MX25L_400:
14942 case FLASH_5762_MX25L_800:
14943 case FLASH_5762_MX25L_160_320:
14944 tp->nvram_pagesize = 4096;
14945 tp->nvram_jedecnum = JEDEC_MACRONIX;
14946 tg3_flag_set(tp, NVRAM_BUFFERED);
14947 tg3_flag_set(tp, NO_NVRAM_ADDR_TRANS);
14948 tg3_flag_set(tp, FLASH);
14949 nv_status = tr32(NVRAM_AUTOSENSE_STATUS);
14950 tp->nvram_size =
14951 (1 << (nv_status >> AUTOSENSE_DEVID &
14952 AUTOSENSE_DEVID_MASK)
14953 << AUTOSENSE_SIZE_IN_MB);
14954 return;
14955
c86a8560
MC		 14956 case FLASH_5762_EEPROM_HD:
14957 nvmpinstrp = FLASH_5720_EEPROM_HD;
17e1a42f 14958 break;
c86a8560
MC		 14959 case FLASH_5762_EEPROM_LD:
14960 nvmpinstrp = FLASH_5720_EEPROM_LD;
17e1a42f 14961 break;
f6334bb8
MC		 14962 case FLASH_5720VENDOR_M_ST_M45PE20:
14963 /* This pinstrap supports multiple sizes, so force it
14964 * to read the actual size from location 0xf0.
14965 */
14966 nvmpinstrp = FLASH_5720VENDOR_ST_45USPT;
14967 break;
c86a8560
MC		 14968 }
14969 }
14970
9b91b5f1
MC		 14971 switch (nvmpinstrp) {
14972 case FLASH_5720_EEPROM_HD:
14973 case FLASH_5720_EEPROM_LD:
14974 tp->nvram_jedecnum = JEDEC_ATMEL;
63c3a66f 14975 tg3_flag_set(tp, NVRAM_BUFFERED);
9b91b5f1
MC		 14976
14977 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
14978 tw32(NVRAM_CFG1, nvcfg1);
14979 if (nvmpinstrp == FLASH_5720_EEPROM_HD)
14980 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
14981 else
14982 tp->nvram_pagesize = ATMEL_AT24C02_CHIP_SIZE;
14983 return;
14984 case FLASH_5720VENDOR_M_ATMEL_DB011D:
14985 case FLASH_5720VENDOR_A_ATMEL_DB011B:
14986 case FLASH_5720VENDOR_A_ATMEL_DB011D:
14987 case FLASH_5720VENDOR_M_ATMEL_DB021D:
14988 case FLASH_5720VENDOR_A_ATMEL_DB021B:
14989 case FLASH_5720VENDOR_A_ATMEL_DB021D:
14990 case FLASH_5720VENDOR_M_ATMEL_DB041D:
14991 case FLASH_5720VENDOR_A_ATMEL_DB041B:
14992 case FLASH_5720VENDOR_A_ATMEL_DB041D:
14993 case FLASH_5720VENDOR_M_ATMEL_DB081D:
14994 case FLASH_5720VENDOR_A_ATMEL_DB081D:
14995 case FLASH_5720VENDOR_ATMEL_45USPT:
14996 tp->nvram_jedecnum = JEDEC_ATMEL;
63c3a66f
JP		 14997 tg3_flag_set(tp, NVRAM_BUFFERED);
14998 tg3_flag_set(tp, FLASH);
9b91b5f1
MC		 14999
15000 switch (nvmpinstrp) {
15001 case FLASH_5720VENDOR_M_ATMEL_DB021D:
15002 case FLASH_5720VENDOR_A_ATMEL_DB021B:
15003 case FLASH_5720VENDOR_A_ATMEL_DB021D:
15004 tp->nvram_size = TG3_NVRAM_SIZE_256KB;
15005 break;
15006 case FLASH_5720VENDOR_M_ATMEL_DB041D:
15007 case FLASH_5720VENDOR_A_ATMEL_DB041B:
15008 case FLASH_5720VENDOR_A_ATMEL_DB041D:
15009 tp->nvram_size = TG3_NVRAM_SIZE_512KB;
15010 break;
15011 case FLASH_5720VENDOR_M_ATMEL_DB081D:
15012 case FLASH_5720VENDOR_A_ATMEL_DB081D:
15013 tp->nvram_size = TG3_NVRAM_SIZE_1MB;
15014 break;
15015 default:
4153577a 15016 if (tg3_asic_rev(tp) != ASIC_REV_5762)
c5d0b72e 15017 tp->nvram_size = TG3_NVRAM_SIZE_128KB;
9b91b5f1
MC		 15018 break;
15019 }
15020 break;
15021 case FLASH_5720VENDOR_M_ST_M25PE10:
15022 case FLASH_5720VENDOR_M_ST_M45PE10:
15023 case FLASH_5720VENDOR_A_ST_M25PE10:
15024 case FLASH_5720VENDOR_A_ST_M45PE10:
15025 case FLASH_5720VENDOR_M_ST_M25PE20:
15026 case FLASH_5720VENDOR_M_ST_M45PE20:
15027 case FLASH_5720VENDOR_A_ST_M25PE20:
15028 case FLASH_5720VENDOR_A_ST_M45PE20:
15029 case FLASH_5720VENDOR_M_ST_M25PE40:
15030 case FLASH_5720VENDOR_M_ST_M45PE40:
15031 case FLASH_5720VENDOR_A_ST_M25PE40:
15032 case FLASH_5720VENDOR_A_ST_M45PE40:
15033 case FLASH_5720VENDOR_M_ST_M25PE80:
15034 case FLASH_5720VENDOR_M_ST_M45PE80:
15035 case FLASH_5720VENDOR_A_ST_M25PE80:
15036 case FLASH_5720VENDOR_A_ST_M45PE80:
15037 case FLASH_5720VENDOR_ST_25USPT:
15038 case FLASH_5720VENDOR_ST_45USPT:
15039 tp->nvram_jedecnum = JEDEC_ST;
63c3a66f
JP		 15040 tg3_flag_set(tp, NVRAM_BUFFERED);
15041 tg3_flag_set(tp, FLASH);
9b91b5f1
MC		 15042
15043 switch (nvmpinstrp) {
15044 case FLASH_5720VENDOR_M_ST_M25PE20:
15045 case FLASH_5720VENDOR_M_ST_M45PE20:
15046 case FLASH_5720VENDOR_A_ST_M25PE20:
15047 case FLASH_5720VENDOR_A_ST_M45PE20:
15048 tp->nvram_size = TG3_NVRAM_SIZE_256KB;
15049 break;
15050 case FLASH_5720VENDOR_M_ST_M25PE40:
15051 case FLASH_5720VENDOR_M_ST_M45PE40:
15052 case FLASH_5720VENDOR_A_ST_M25PE40:
15053 case FLASH_5720VENDOR_A_ST_M45PE40:
15054 tp->nvram_size = TG3_NVRAM_SIZE_512KB;
15055 break;
15056 case FLASH_5720VENDOR_M_ST_M25PE80:
15057 case FLASH_5720VENDOR_M_ST_M45PE80:
15058 case FLASH_5720VENDOR_A_ST_M25PE80:
15059 case FLASH_5720VENDOR_A_ST_M45PE80:
15060 tp->nvram_size = TG3_NVRAM_SIZE_1MB;
15061 break;
15062 default:
4153577a 15063 if (tg3_asic_rev(tp) != ASIC_REV_5762)
c5d0b72e 15064 tp->nvram_size = TG3_NVRAM_SIZE_128KB;
9b91b5f1
MC		 15065 break;
15066 }
15067 break;
15068 default:
63c3a66f 15069 tg3_flag_set(tp, NO_NVRAM);
9b91b5f1
MC		 15070 return;
15071 }
15072
15073 tg3_nvram_get_pagesize(tp, nvcfg1);
15074 if (tp->nvram_pagesize != 264 && tp->nvram_pagesize != 528)
63c3a66f 15075 tg3_flag_set(tp, NO_NVRAM_ADDR_TRANS);
c86a8560 15076
4153577a 15077 if (tg3_asic_rev(tp) == ASIC_REV_5762) {
c86a8560
MC		 15078 u32 val;
15079
15080 if (tg3_nvram_read(tp, 0, &val))
15081 return;
15082
15083 if (val != TG3_EEPROM_MAGIC &&
15084 (val & TG3_EEPROM_MAGIC_FW_MSK) != TG3_EEPROM_MAGIC_FW)
15085 tg3_flag_set(tp, NO_NVRAM);
15086 }
9b91b5f1
MC		 15087}
15088
1da177e4 15089/* Chips other than 5700/5701 use the NVRAM for fetching info. */
229b1ad1 15090static void tg3_nvram_init(struct tg3 *tp)
1da177e4 15091{
7e6c63f0
HM		 15092 if (tg3_flag(tp, IS_SSB_CORE)) {
15093 /* No NVRAM and EEPROM on the SSB Broadcom GigE core. */
15094 tg3_flag_clear(tp, NVRAM);
15095 tg3_flag_clear(tp, NVRAM_BUFFERED);
15096 tg3_flag_set(tp, NO_NVRAM);
15097 return;
15098 }
15099
1da177e4
LT		 15100 tw32_f(GRC_EEPROM_ADDR,
15101 (EEPROM_ADDR_FSM_RESET |
15102 (EEPROM_DEFAULT_CLOCK_PERIOD <<
15103 EEPROM_ADDR_CLKPERD_SHIFT)));
15104
9d57f01c 15105 msleep(1);
1da177e4
LT		 15106
15107 /* Enable seeprom accesses. */
15108 tw32_f(GRC_LOCAL_CTRL,
15109 tr32(GRC_LOCAL_CTRL) | GRC_LCLCTRL_AUTO_SEEPROM);
15110 udelay(100);
15111
4153577a
JP		 15112 if (tg3_asic_rev(tp) != ASIC_REV_5700 &&
15113 tg3_asic_rev(tp) != ASIC_REV_5701) {
63c3a66f 15114 tg3_flag_set(tp, NVRAM);
1da177e4 15115
ec41c7df 15116 if (tg3_nvram_lock(tp)) {
5129c3a3
MC		 15117 netdev_warn(tp->dev,
15118 "Cannot get nvram lock, %s failed\n",
05dbe005 15119 __func__);
ec41c7df
MC		 15120 return;
15121 }
e6af301b 15122 tg3_enable_nvram_access(tp);
1da177e4 15123
989a9d23
MC		 15124 tp->nvram_size = 0;
15125
4153577a 15126 if (tg3_asic_rev(tp) == ASIC_REV_5752)
361b4ac2 15127 tg3_get_5752_nvram_info(tp);
4153577a 15128 else if (tg3_asic_rev(tp) == ASIC_REV_5755)
d3c7b886 15129 tg3_get_5755_nvram_info(tp);
4153577a
JP		 15130 else if (tg3_asic_rev(tp) == ASIC_REV_5787 ||
15131 tg3_asic_rev(tp) == ASIC_REV_5784 ||
15132 tg3_asic_rev(tp) == ASIC_REV_5785)
1b27777a 15133 tg3_get_5787_nvram_info(tp);
4153577a 15134 else if (tg3_asic_rev(tp) == ASIC_REV_5761)
6b91fa02 15135 tg3_get_5761_nvram_info(tp);
4153577a 15136 else if (tg3_asic_rev(tp) == ASIC_REV_5906)
b5d3772c 15137 tg3_get_5906_nvram_info(tp);
4153577a 15138 else if (tg3_asic_rev(tp) == ASIC_REV_57780 ||
55086ad9 15139 tg3_flag(tp, 57765_CLASS))
321d32a0 15140 tg3_get_57780_nvram_info(tp);
4153577a
JP		 15141 else if (tg3_asic_rev(tp) == ASIC_REV_5717 ||
15142 tg3_asic_rev(tp) == ASIC_REV_5719)
a1b950d5 15143 tg3_get_5717_nvram_info(tp);
4153577a
JP		 15144 else if (tg3_asic_rev(tp) == ASIC_REV_5720 ||
15145 tg3_asic_rev(tp) == ASIC_REV_5762)
9b91b5f1 15146 tg3_get_5720_nvram_info(tp);
361b4ac2
MC		 15147 else
15148 tg3_get_nvram_info(tp);
15149
989a9d23
MC		 15150 if (tp->nvram_size == 0)
15151 tg3_get_nvram_size(tp);
1da177e4 15152
e6af301b 15153 tg3_disable_nvram_access(tp);
381291b7 15154 tg3_nvram_unlock(tp);
1da177e4
LT		 15155
15156 } else {
63c3a66f
JP		 15157 tg3_flag_clear(tp, NVRAM);
15158 tg3_flag_clear(tp, NVRAM_BUFFERED);
1da177e4
LT		 15159
15160 tg3_get_eeprom_size(tp);
15161 }
15162}
15163
1da177e4
LT		 15164struct subsys_tbl_ent {
15165 u16 subsys_vendor, subsys_devid;
15166 u32 phy_id;
15167};
15168
229b1ad1 15169static struct subsys_tbl_ent subsys_id_to_phy_id[] = {
1da177e4 15170 /* Broadcom boards. */
24daf2b0 15171 { TG3PCI_SUBVENDOR_ID_BROADCOM,
79eb6904 15172 TG3PCI_SUBDEVICE_ID_BROADCOM_95700A6, TG3_PHY_ID_BCM5401 },
24daf2b0 15173 { TG3PCI_SUBVENDOR_ID_BROADCOM,
79eb6904 15174 TG3PCI_SUBDEVICE_ID_BROADCOM_95701A5, TG3_PHY_ID_BCM5701 },
24daf2b0 15175 { TG3PCI_SUBVENDOR_ID_BROADCOM,
79eb6904 15176 TG3PCI_SUBDEVICE_ID_BROADCOM_95700T6, TG3_PHY_ID_BCM8002 },
24daf2b0
MC		 15177 { TG3PCI_SUBVENDOR_ID_BROADCOM,
15178 TG3PCI_SUBDEVICE_ID_BROADCOM_95700A9, 0 },
15179 { TG3PCI_SUBVENDOR_ID_BROADCOM,
79eb6904 15180 TG3PCI_SUBDEVICE_ID_BROADCOM_95701T1, TG3_PHY_ID_BCM5701 },
24daf2b0 15181 { TG3PCI_SUBVENDOR_ID_BROADCOM,
79eb6904 15182 TG3PCI_SUBDEVICE_ID_BROADCOM_95701T8, TG3_PHY_ID_BCM5701 },
24daf2b0
MC		 15183 { TG3PCI_SUBVENDOR_ID_BROADCOM,
15184 TG3PCI_SUBDEVICE_ID_BROADCOM_95701A7, 0 },
15185 { TG3PCI_SUBVENDOR_ID_BROADCOM,
79eb6904 15186 TG3PCI_SUBDEVICE_ID_BROADCOM_95701A10, TG3_PHY_ID_BCM5701 },
24daf2b0 15187 { TG3PCI_SUBVENDOR_ID_BROADCOM,
79eb6904 15188 TG3PCI_SUBDEVICE_ID_BROADCOM_95701A12, TG3_PHY_ID_BCM5701 },
24daf2b0 15189 { TG3PCI_SUBVENDOR_ID_BROADCOM,
79eb6904 15190 TG3PCI_SUBDEVICE_ID_BROADCOM_95703AX1, TG3_PHY_ID_BCM5703 },
24daf2b0 15191 { TG3PCI_SUBVENDOR_ID_BROADCOM,
79eb6904 15192 TG3PCI_SUBDEVICE_ID_BROADCOM_95703AX2, TG3_PHY_ID_BCM5703 },
1da177e4
LT		 15193
15194 /* 3com boards. */
24daf2b0 15195 { TG3PCI_SUBVENDOR_ID_3COM,
79eb6904 15196 TG3PCI_SUBDEVICE_ID_3COM_3C996T, TG3_PHY_ID_BCM5401 },
24daf2b0 15197 { TG3PCI_SUBVENDOR_ID_3COM,
79eb6904 15198 TG3PCI_SUBDEVICE_ID_3COM_3C996BT, TG3_PHY_ID_BCM5701 },
24daf2b0
MC		 15199 { TG3PCI_SUBVENDOR_ID_3COM,
15200 TG3PCI_SUBDEVICE_ID_3COM_3C996SX, 0 },
15201 { TG3PCI_SUBVENDOR_ID_3COM,
79eb6904 15202 TG3PCI_SUBDEVICE_ID_3COM_3C1000T, TG3_PHY_ID_BCM5701 },
24daf2b0 15203 { TG3PCI_SUBVENDOR_ID_3COM,
79eb6904 15204 TG3PCI_SUBDEVICE_ID_3COM_3C940BR01, TG3_PHY_ID_BCM5701 },
1da177e4
LT		 15205
15206 /* DELL boards. */
24daf2b0 15207 { TG3PCI_SUBVENDOR_ID_DELL,
79eb6904 15208 TG3PCI_SUBDEVICE_ID_DELL_VIPER, TG3_PHY_ID_BCM5401 },
24daf2b0 15209 { TG3PCI_SUBVENDOR_ID_DELL,
79eb6904 15210 TG3PCI_SUBDEVICE_ID_DELL_JAGUAR, TG3_PHY_ID_BCM5401 },
24daf2b0 15211 { TG3PCI_SUBVENDOR_ID_DELL,
79eb6904 15212 TG3PCI_SUBDEVICE_ID_DELL_MERLOT, TG3_PHY_ID_BCM5411 },
24daf2b0 15213 { TG3PCI_SUBVENDOR_ID_DELL,
79eb6904 15214 TG3PCI_SUBDEVICE_ID_DELL_SLIM_MERLOT, TG3_PHY_ID_BCM5411 },
1da177e4
LT		 15215
15216 /* Compaq boards. */
24daf2b0 15217 { TG3PCI_SUBVENDOR_ID_COMPAQ,
79eb6904 15218 TG3PCI_SUBDEVICE_ID_COMPAQ_BANSHEE, TG3_PHY_ID_BCM5701 },
24daf2b0 15219 { TG3PCI_SUBVENDOR_ID_COMPAQ,
79eb6904 15220 TG3PCI_SUBDEVICE_ID_COMPAQ_BANSHEE_2, TG3_PHY_ID_BCM5701 },
24daf2b0
MC		 15221 { TG3PCI_SUBVENDOR_ID_COMPAQ,
15222 TG3PCI_SUBDEVICE_ID_COMPAQ_CHANGELING, 0 },
15223 { TG3PCI_SUBVENDOR_ID_COMPAQ,
79eb6904 15224 TG3PCI_SUBDEVICE_ID_COMPAQ_NC7780, TG3_PHY_ID_BCM5701 },
24daf2b0 15225 { TG3PCI_SUBVENDOR_ID_COMPAQ,
79eb6904 15226 TG3PCI_SUBDEVICE_ID_COMPAQ_NC7780_2, TG3_PHY_ID_BCM5701 },
1da177e4
LT		 15227
15228 /* IBM boards. */
24daf2b0
MC		 15229 { TG3PCI_SUBVENDOR_ID_IBM,
15230 TG3PCI_SUBDEVICE_ID_IBM_5703SAX2, 0 }
1da177e4
LT		 15231};
15232
229b1ad1 15233static struct subsys_tbl_ent *tg3_lookup_by_subsys(struct tg3 *tp)
1da177e4
LT		 15234{
15235 int i;
15236
15237 for (i = 0; i < ARRAY_SIZE(subsys_id_to_phy_id); i++) {
15238 if ((subsys_id_to_phy_id[i].subsys_vendor ==
15239 tp->pdev->subsystem_vendor) &&
15240 (subsys_id_to_phy_id[i].subsys_devid ==
15241 tp->pdev->subsystem_device))
15242 return &subsys_id_to_phy_id[i];
15243 }
15244 return NULL;
15245}
15246
229b1ad1 15247static void tg3_get_eeprom_hw_cfg(struct tg3 *tp)
1da177e4 15248{
1da177e4 15249 u32 val;
f49639e6 15250
79eb6904 15251 tp->phy_id = TG3_PHY_ID_INVALID;
7d0c41ef
MC		 15252 tp->led_ctrl = LED_CTRL_MODE_PHY_1;
15253
a85feb8c 15254 /* Assume an onboard device and WOL capable by default. */
63c3a66f
JP		 15255 tg3_flag_set(tp, EEPROM_WRITE_PROT);
15256 tg3_flag_set(tp, WOL_CAP);
72b845e0 15257
4153577a 15258 if (tg3_asic_rev(tp) == ASIC_REV_5906) {
9d26e213 15259 if (!(tr32(PCIE_TRANSACTION_CFG) & PCIE_TRANS_CFG_LOM)) {
63c3a66f
JP		 15260 tg3_flag_clear(tp, EEPROM_WRITE_PROT);
15261 tg3_flag_set(tp, IS_NIC);
9d26e213 15262 }
0527ba35
MC		 15263 val = tr32(VCPU_CFGSHDW);
15264 if (val & VCPU_CFGSHDW_ASPM_DBNC)
63c3a66f 15265 tg3_flag_set(tp, ASPM_WORKAROUND);
0527ba35 15266 if ((val & VCPU_CFGSHDW_WOL_ENABLE) &&
6fdbab9d 15267 (val & VCPU_CFGSHDW_WOL_MAGPKT)) {
63c3a66f 15268 tg3_flag_set(tp, WOL_ENABLE);
6fdbab9d
RW		 15269 device_set_wakeup_enable(&tp->pdev->dev, true);
15270 }
05ac4cb7 15271 goto done;
b5d3772c
MC		 15272 }
15273
1da177e4
LT		 15274 tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
15275 if (val == NIC_SRAM_DATA_SIG_MAGIC) {
15276 u32 nic_cfg, led_cfg;
7c786065
NS		 15277 u32 cfg2 = 0, cfg4 = 0, cfg5 = 0;
15278 u32 nic_phy_id, ver, eeprom_phy_id;
7d0c41ef 15279 int eeprom_phy_serdes = 0;
1da177e4
LT		 15280
15281 tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
15282 tp->nic_sram_data_cfg = nic_cfg;
15283
15284 tg3_read_mem(tp, NIC_SRAM_DATA_VER, &ver);
15285 ver >>= NIC_SRAM_DATA_VER_SHIFT;
4153577a
JP		 15286 if (tg3_asic_rev(tp) != ASIC_REV_5700 &&
15287 tg3_asic_rev(tp) != ASIC_REV_5701 &&
15288 tg3_asic_rev(tp) != ASIC_REV_5703 &&
1da177e4
LT		 15289 (ver > 0) && (ver < 0x100))
15290 tg3_read_mem(tp, NIC_SRAM_DATA_CFG_2, &cfg2);
15291
4153577a 15292 if (tg3_asic_rev(tp) == ASIC_REV_5785)
a9daf367
MC		 15293 tg3_read_mem(tp, NIC_SRAM_DATA_CFG_4, &cfg4);
15294
7c786065
NS		 15295 if (tg3_asic_rev(tp) == ASIC_REV_5717 ||
15296 tg3_asic_rev(tp) == ASIC_REV_5719 ||
15297 tg3_asic_rev(tp) == ASIC_REV_5720)
15298 tg3_read_mem(tp, NIC_SRAM_DATA_CFG_5, &cfg5);
15299
1da177e4
LT		 15300 if ((nic_cfg & NIC_SRAM_DATA_CFG_PHY_TYPE_MASK) ==
15301 NIC_SRAM_DATA_CFG_PHY_TYPE_FIBER)
15302 eeprom_phy_serdes = 1;
15303
15304 tg3_read_mem(tp, NIC_SRAM_DATA_PHY_ID, &nic_phy_id);
15305 if (nic_phy_id != 0) {
15306 u32 id1 = nic_phy_id & NIC_SRAM_DATA_PHY_ID1_MASK;
15307 u32 id2 = nic_phy_id & NIC_SRAM_DATA_PHY_ID2_MASK;
15308
15309 eeprom_phy_id = (id1 >> 16) << 10;
15310 eeprom_phy_id |= (id2 & 0xfc00) << 16;
15311 eeprom_phy_id |= (id2 & 0x03ff) << 0;
15312 } else
15313 eeprom_phy_id = 0;
15314
7d0c41ef 15315 tp->phy_id = eeprom_phy_id;
747e8f8b 15316 if (eeprom_phy_serdes) {
63c3a66f 15317 if (!tg3_flag(tp, 5705_PLUS))
f07e9af3 15318 tp->phy_flags |= TG3_PHYFLG_PHY_SERDES;
a50d0796 15319 else
f07e9af3 15320 tp->phy_flags |= TG3_PHYFLG_MII_SERDES;
747e8f8b 15321 }
7d0c41ef 15322
63c3a66f 15323 if (tg3_flag(tp, 5750_PLUS))
1da177e4
LT		 15324 led_cfg = cfg2 & (NIC_SRAM_DATA_CFG_LED_MODE_MASK |
15325 SHASTA_EXT_LED_MODE_MASK);
cbf46853 15326 else
1da177e4
LT		 15327 led_cfg = nic_cfg & NIC_SRAM_DATA_CFG_LED_MODE_MASK;
15328
15329 switch (led_cfg) {
15330 default:
15331 case NIC_SRAM_DATA_CFG_LED_MODE_PHY_1:
15332 tp->led_ctrl = LED_CTRL_MODE_PHY_1;
15333 break;
15334
15335 case NIC_SRAM_DATA_CFG_LED_MODE_PHY_2:
15336 tp->led_ctrl = LED_CTRL_MODE_PHY_2;
15337 break;
15338
15339 case NIC_SRAM_DATA_CFG_LED_MODE_MAC:
15340 tp->led_ctrl = LED_CTRL_MODE_MAC;
9ba27794
MC		 15341
15342 /* Default to PHY_1_MODE if 0 (MAC_MODE) is
15343 * read on some older 5700/5701 bootcode.
15344 */
4153577a
JP		 15345 if (tg3_asic_rev(tp) == ASIC_REV_5700 ||
15346 tg3_asic_rev(tp) == ASIC_REV_5701)
9ba27794
MC		 15347 tp->led_ctrl = LED_CTRL_MODE_PHY_1;
15348
1da177e4
LT		 15349 break;
15350
15351 case SHASTA_EXT_LED_SHARED:
15352 tp->led_ctrl = LED_CTRL_MODE_SHARED;
4153577a
JP		 15353 if (tg3_chip_rev_id(tp) != CHIPREV_ID_5750_A0 &&
15354 tg3_chip_rev_id(tp) != CHIPREV_ID_5750_A1)
1da177e4
LT		 15355 tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 |
15356 LED_CTRL_MODE_PHY_2);
89f67978
NS		 15357
15358 if (tg3_flag(tp, 5717_PLUS) ||
15359 tg3_asic_rev(tp) == ASIC_REV_5762)
15360 tp->led_ctrl |= LED_CTRL_BLINK_RATE_OVERRIDE |
15361 LED_CTRL_BLINK_RATE_MASK;
15362
1da177e4
LT		 15363 break;
15364
15365 case SHASTA_EXT_LED_MAC:
15366 tp->led_ctrl = LED_CTRL_MODE_SHASTA_MAC;
15367 break;
15368
15369 case SHASTA_EXT_LED_COMBO:
15370 tp->led_ctrl = LED_CTRL_MODE_COMBO;
4153577a 15371 if (tg3_chip_rev_id(tp) != CHIPREV_ID_5750_A0)
1da177e4
LT		 15372 tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 |
15373 LED_CTRL_MODE_PHY_2);
15374 break;
15375
855e1111 15376 }
1da177e4 15377
4153577a
JP		 15378 if ((tg3_asic_rev(tp) == ASIC_REV_5700 ||
15379 tg3_asic_rev(tp) == ASIC_REV_5701) &&
1da177e4
LT		 15380 tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL)
15381 tp->led_ctrl = LED_CTRL_MODE_PHY_2;
15382
4153577a 15383 if (tg3_chip_rev(tp) == CHIPREV_5784_AX)
b2a5c19c 15384 tp->led_ctrl = LED_CTRL_MODE_PHY_1;
5f60891b 15385
9d26e213 15386 if (nic_cfg & NIC_SRAM_DATA_CFG_EEPROM_WP) {
63c3a66f 15387 tg3_flag_set(tp, EEPROM_WRITE_PROT);
9d26e213
MC		 15388 if ((tp->pdev->subsystem_vendor ==
15389 PCI_VENDOR_ID_ARIMA) &&
15390 (tp->pdev->subsystem_device == 0x205a ||
15391 tp->pdev->subsystem_device == 0x2063))
63c3a66f 15392 tg3_flag_clear(tp, EEPROM_WRITE_PROT);
9d26e213 15393 } else {
63c3a66f
JP		 15394 tg3_flag_clear(tp, EEPROM_WRITE_PROT);
15395 tg3_flag_set(tp, IS_NIC);
9d26e213 15396 }
1da177e4
LT		 15397
15398 if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
63c3a66f
JP		 15399 tg3_flag_set(tp, ENABLE_ASF);
15400 if (tg3_flag(tp, 5750_PLUS))
15401 tg3_flag_set(tp, ASF_NEW_HANDSHAKE);
1da177e4 15402 }
b2b98d4a
MC		 15403
15404 if ((nic_cfg & NIC_SRAM_DATA_CFG_APE_ENABLE) &&
63c3a66f
JP		 15405 tg3_flag(tp, 5750_PLUS))
15406 tg3_flag_set(tp, ENABLE_APE);
b2b98d4a 15407
f07e9af3 15408 if (tp->phy_flags & TG3_PHYFLG_ANY_SERDES &&
a85feb8c 15409 !(nic_cfg & NIC_SRAM_DATA_CFG_FIBER_WOL))
63c3a66f 15410 tg3_flag_clear(tp, WOL_CAP);
1da177e4 15411
63c3a66f 15412 if (tg3_flag(tp, WOL_CAP) &&
6fdbab9d 15413 (nic_cfg & NIC_SRAM_DATA_CFG_WOL_ENABLE)) {
63c3a66f 15414 tg3_flag_set(tp, WOL_ENABLE);
6fdbab9d
RW		 15415 device_set_wakeup_enable(&tp->pdev->dev, true);
15416 }
0527ba35 15417
1da177e4 15418 if (cfg2 & (1 << 17))
f07e9af3 15419 tp->phy_flags |= TG3_PHYFLG_CAPACITIVE_COUPLING;
1da177e4
LT		 15420
15421 /* serdes signal pre-emphasis in register 0x590 set by */
15422 /* bootcode if bit 18 is set */
15423 if (cfg2 & (1 << 18))
f07e9af3 15424 tp->phy_flags |= TG3_PHYFLG_SERDES_PREEMPHASIS;
8ed5d97e 15425
63c3a66f 15426 if ((tg3_flag(tp, 57765_PLUS) ||
4153577a
JP		 15427 (tg3_asic_rev(tp) == ASIC_REV_5784 &&
15428 tg3_chip_rev(tp) != CHIPREV_5784_AX)) &&
6833c043 15429 (cfg2 & NIC_SRAM_DATA_CFG_2_APD_EN))
f07e9af3 15430 tp->phy_flags |= TG3_PHYFLG_ENABLE_APD;
6833c043 15431
942d1af0 15432 if (tg3_flag(tp, PCI_EXPRESS)) {
8ed5d97e
MC		 15433 u32 cfg3;
15434
15435 tg3_read_mem(tp, NIC_SRAM_DATA_CFG_3, &cfg3);
942d1af0
NS		 15436 if (tg3_asic_rev(tp) != ASIC_REV_5785 &&
15437 !tg3_flag(tp, 57765_PLUS) &&
15438 (cfg3 & NIC_SRAM_ASPM_DEBOUNCE))
63c3a66f 15439 tg3_flag_set(tp, ASPM_WORKAROUND);
942d1af0
NS		 15440 if (cfg3 & NIC_SRAM_LNK_FLAP_AVOID)
15441 tp->phy_flags |= TG3_PHYFLG_KEEP_LINK_ON_PWRDN;
15442 if (cfg3 & NIC_SRAM_1G_ON_VAUX_OK)
15443 tp->phy_flags |= TG3_PHYFLG_1G_ON_VAUX_OK;
8ed5d97e 15444 }
a9daf367 15445
14417063 15446 if (cfg4 & NIC_SRAM_RGMII_INBAND_DISABLE)
63c3a66f 15447 tg3_flag_set(tp, RGMII_INBAND_DISABLE);
a9daf367 15448 if (cfg4 & NIC_SRAM_RGMII_EXT_IBND_RX_EN)
63c3a66f 15449 tg3_flag_set(tp, RGMII_EXT_IBND_RX_EN);
a9daf367 15450 if (cfg4 & NIC_SRAM_RGMII_EXT_IBND_TX_EN)
63c3a66f 15451 tg3_flag_set(tp, RGMII_EXT_IBND_TX_EN);
7c786065
NS		 15452
15453 if (cfg5 & NIC_SRAM_DISABLE_1G_HALF_ADV)
15454 tp->phy_flags |= TG3_PHYFLG_DISABLE_1G_HD_ADV;
1da177e4 15455 }
05ac4cb7 15456done:
63c3a66f 15457 if (tg3_flag(tp, WOL_CAP))
43067ed8 15458 device_set_wakeup_enable(&tp->pdev->dev,
63c3a66f 15459 tg3_flag(tp, WOL_ENABLE));
43067ed8
RW		 15460 else
15461 device_set_wakeup_capable(&tp->pdev->dev, false);
7d0c41ef
MC		 15462}
15463
c86a8560
MC		 15464static int tg3_ape_otp_read(struct tg3 *tp, u32 offset, u32 *val)
15465{
15466 int i, err;
15467 u32 val2, off = offset * 8;
15468
15469 err = tg3_nvram_lock(tp);
15470 if (err)
15471 return err;
15472
15473 tg3_ape_write32(tp, TG3_APE_OTP_ADDR, off | APE_OTP_ADDR_CPU_ENABLE);
15474 tg3_ape_write32(tp, TG3_APE_OTP_CTRL, APE_OTP_CTRL_PROG_EN |
15475 APE_OTP_CTRL_CMD_RD | APE_OTP_CTRL_START);
15476 tg3_ape_read32(tp, TG3_APE_OTP_CTRL);
15477 udelay(10);
15478
15479 for (i = 0; i < 100; i++) {
15480 val2 = tg3_ape_read32(tp, TG3_APE_OTP_STATUS);
15481 if (val2 & APE_OTP_STATUS_CMD_DONE) {
15482 *val = tg3_ape_read32(tp, TG3_APE_OTP_RD_DATA);
15483 break;
15484 }
15485 udelay(10);
15486 }
15487
15488 tg3_ape_write32(tp, TG3_APE_OTP_CTRL, 0);
15489
15490 tg3_nvram_unlock(tp);
15491 if (val2 & APE_OTP_STATUS_CMD_DONE)
15492 return 0;
15493
15494 return -EBUSY;
15495}
15496
229b1ad1 15497static int tg3_issue_otp_command(struct tg3 *tp, u32 cmd)
b2a5c19c
MC		 15498{
15499 int i;
15500 u32 val;
15501
15502 tw32(OTP_CTRL, cmd | OTP_CTRL_OTP_CMD_START);
15503 tw32(OTP_CTRL, cmd);
15504
15505 /* Wait for up to 1 ms for command to execute. */
15506 for (i = 0; i < 100; i++) {
15507 val = tr32(OTP_STATUS);
15508 if (val & OTP_STATUS_CMD_DONE)
15509 break;
15510 udelay(10);
15511 }
15512
15513 return (val & OTP_STATUS_CMD_DONE) ? 0 : -EBUSY;
15514}
15515
15516/* Read the gphy configuration from the OTP region of the chip. The gphy
15517 * configuration is a 32-bit value that straddles the alignment boundary.
15518 * We do two 32-bit reads and then shift and merge the results.
15519 */
229b1ad1 15520static u32 tg3_read_otp_phycfg(struct tg3 *tp)
b2a5c19c
MC		 15521{
15522 u32 bhalf_otp, thalf_otp;
15523
15524 tw32(OTP_MODE, OTP_MODE_OTP_THRU_GRC);
15525
15526 if (tg3_issue_otp_command(tp, OTP_CTRL_OTP_CMD_INIT))
15527 return 0;
15528
15529 tw32(OTP_ADDRESS, OTP_ADDRESS_MAGIC1);
15530
15531 if (tg3_issue_otp_command(tp, OTP_CTRL_OTP_CMD_READ))
15532 return 0;
15533
15534 thalf_otp = tr32(OTP_READ_DATA);
15535
15536 tw32(OTP_ADDRESS, OTP_ADDRESS_MAGIC2);
15537
15538 if (tg3_issue_otp_command(tp, OTP_CTRL_OTP_CMD_READ))
15539 return 0;
15540
15541 bhalf_otp = tr32(OTP_READ_DATA);
15542
15543 return ((thalf_otp & 0x0000ffff) << 16) | (bhalf_otp >> 16);
15544}
15545
229b1ad1 15546static void tg3_phy_init_link_config(struct tg3 *tp)
e256f8a3 15547{
202ff1c2 15548 u32 adv = ADVERTISED_Autoneg;
e256f8a3 15549
7c786065
NS		 15550 if (!(tp->phy_flags & TG3_PHYFLG_10_100_ONLY)) {
15551 if (!(tp->phy_flags & TG3_PHYFLG_DISABLE_1G_HD_ADV))
15552 adv |= ADVERTISED_1000baseT_Half;
15553 adv |= ADVERTISED_1000baseT_Full;
15554 }
e256f8a3
MC		 15555
15556 if (!(tp->phy_flags & TG3_PHYFLG_ANY_SERDES))
15557 adv |= ADVERTISED_100baseT_Half |
15558 ADVERTISED_100baseT_Full |
15559 ADVERTISED_10baseT_Half |
15560 ADVERTISED_10baseT_Full |
15561 ADVERTISED_TP;
15562 else
15563 adv |= ADVERTISED_FIBRE;
15564
15565 tp->link_config.advertising = adv;
e740522e
MC		 15566 tp->link_config.speed = SPEED_UNKNOWN;
15567 tp->link_config.duplex = DUPLEX_UNKNOWN;
e256f8a3 15568 tp->link_config.autoneg = AUTONEG_ENABLE;
e740522e
MC		 15569 tp->link_config.active_speed = SPEED_UNKNOWN;
15570 tp->link_config.active_duplex = DUPLEX_UNKNOWN;
34655ad6
MC		 15571
15572 tp->old_link = -1;
e256f8a3
MC		 15573}
15574
229b1ad1 15575static int tg3_phy_probe(struct tg3 *tp)
7d0c41ef
MC		 15576{
15577 u32 hw_phy_id_1, hw_phy_id_2;
15578 u32 hw_phy_id, hw_phy_id_masked;
15579 int err;
1da177e4 15580
e256f8a3 15581 /* flow control autonegotiation is default behavior */
63c3a66f 15582 tg3_flag_set(tp, PAUSE_AUTONEG);
e256f8a3
MC		 15583 tp->link_config.flowctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
15584
8151ad57
MC		 15585 if (tg3_flag(tp, ENABLE_APE)) {
15586 switch (tp->pci_fn) {
15587 case 0:
15588 tp->phy_ape_lock = TG3_APE_LOCK_PHY0;
15589 break;
15590 case 1:
15591 tp->phy_ape_lock = TG3_APE_LOCK_PHY1;
15592 break;
15593 case 2:
15594 tp->phy_ape_lock = TG3_APE_LOCK_PHY2;
15595 break;
15596 case 3:
15597 tp->phy_ape_lock = TG3_APE_LOCK_PHY3;
15598 break;
15599 }
15600 }
15601
942d1af0
NS		 15602 if (!tg3_flag(tp, ENABLE_ASF) &&
15603 !(tp->phy_flags & TG3_PHYFLG_ANY_SERDES) &&
15604 !(tp->phy_flags & TG3_PHYFLG_10_100_ONLY))
15605 tp->phy_flags &= ~(TG3_PHYFLG_1G_ON_VAUX_OK |
15606 TG3_PHYFLG_KEEP_LINK_ON_PWRDN);
15607
63c3a66f 15608 if (tg3_flag(tp, USE_PHYLIB))
b02fd9e3
MC		 15609 return tg3_phy_init(tp);
15610
1da177e4 15611 /* Reading the PHY ID register can conflict with ASF
877d0310 15612 * firmware access to the PHY hardware.
1da177e4
LT		 15613 */
15614 err = 0;
63c3a66f 15615 if (tg3_flag(tp, ENABLE_ASF) || tg3_flag(tp, ENABLE_APE)) {
79eb6904 15616 hw_phy_id = hw_phy_id_masked = TG3_PHY_ID_INVALID;
1da177e4
LT		 15617 } else {
15618 /* Now read the physical PHY_ID from the chip and verify
15619 * that it is sane. If it doesn't look good, we fall back
15620 * to either the hard-coded table based PHY_ID and failing
15621 * that the value found in the eeprom area.
15622 */
15623 err |= tg3_readphy(tp, MII_PHYSID1, &hw_phy_id_1);
15624 err |= tg3_readphy(tp, MII_PHYSID2, &hw_phy_id_2);
15625
15626 hw_phy_id = (hw_phy_id_1 & 0xffff) << 10;
15627 hw_phy_id |= (hw_phy_id_2 & 0xfc00) << 16;
15628 hw_phy_id |= (hw_phy_id_2 & 0x03ff) << 0;
15629
79eb6904 15630 hw_phy_id_masked = hw_phy_id & TG3_PHY_ID_MASK;
1da177e4
LT		 15631 }
15632
79eb6904 15633 if (!err && TG3_KNOWN_PHY_ID(hw_phy_id_masked)) {
1da177e4 15634 tp->phy_id = hw_phy_id;
79eb6904 15635 if (hw_phy_id_masked == TG3_PHY_ID_BCM8002)
f07e9af3 15636 tp->phy_flags |= TG3_PHYFLG_PHY_SERDES;
da6b2d01 15637 else
f07e9af3 15638 tp->phy_flags &= ~TG3_PHYFLG_PHY_SERDES;
1da177e4 15639 } else {
79eb6904 15640 if (tp->phy_id != TG3_PHY_ID_INVALID) {
7d0c41ef
MC		 15641 /* Do nothing, phy ID already set up in
15642 * tg3_get_eeprom_hw_cfg().
15643 */
1da177e4
LT		 15644 } else {
15645 struct subsys_tbl_ent *p;
15646
15647 /* No eeprom signature? Try the hardcoded
15648 * subsys device table.
15649 */
24daf2b0 15650 p = tg3_lookup_by_subsys(tp);
7e6c63f0
HM		 15651 if (p) {
15652 tp->phy_id = p->phy_id;
15653 } else if (!tg3_flag(tp, IS_SSB_CORE)) {
15654 /* For now we saw the IDs 0xbc050cd0,
15655 * 0xbc050f80 and 0xbc050c30 on devices
15656 * connected to an BCM4785 and there are
15657 * probably more. Just assume that the phy is
15658 * supported when it is connected to a SSB core
15659 * for now.
15660 */
1da177e4 15661 return -ENODEV;
7e6c63f0 15662 }
1da177e4 15663
1da177e4 15664 if (!tp->phy_id ||
79eb6904 15665 tp->phy_id == TG3_PHY_ID_BCM8002)
f07e9af3 15666 tp->phy_flags |= TG3_PHYFLG_PHY_SERDES;
1da177e4
LT		 15667 }
15668 }
15669
a6b68dab 15670 if (!(tp->phy_flags & TG3_PHYFLG_ANY_SERDES) &&
4153577a
JP		 15671 (tg3_asic_rev(tp) == ASIC_REV_5719 ||
15672 tg3_asic_rev(tp) == ASIC_REV_5720 ||
c4dab506 15673 tg3_asic_rev(tp) == ASIC_REV_57766 ||
4153577a
JP		 15674 tg3_asic_rev(tp) == ASIC_REV_5762 ||
15675 (tg3_asic_rev(tp) == ASIC_REV_5717 &&
15676 tg3_chip_rev_id(tp) != CHIPREV_ID_5717_A0) ||
15677 (tg3_asic_rev(tp) == ASIC_REV_57765 &&
9e2ecbeb 15678 tg3_chip_rev_id(tp) != CHIPREV_ID_57765_A0))) {
52b02d04
MC		 15679 tp->phy_flags |= TG3_PHYFLG_EEE_CAP;
15680
9bc79134
HK		 15681 linkmode_zero(tp->eee.supported);
15682 linkmode_set_bit(ETHTOOL_LINK_MODE_100baseT_Full_BIT,
15683 tp->eee.supported);
15684 linkmode_set_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT,
15685 tp->eee.supported);
15686 linkmode_copy(tp->eee.advertised, tp->eee.supported);
15687
9e2ecbeb
NS		 15688 tp->eee.eee_enabled = 1;
15689 tp->eee.tx_lpi_enabled = 1;
15690 tp->eee.tx_lpi_timer = TG3_CPMU_DBTMR1_LNKIDLE_2047US;
15691 }
15692
e256f8a3
MC		 15693 tg3_phy_init_link_config(tp);
15694
942d1af0
NS		 15695 if (!(tp->phy_flags & TG3_PHYFLG_KEEP_LINK_ON_PWRDN) &&
15696 !(tp->phy_flags & TG3_PHYFLG_ANY_SERDES) &&
63c3a66f
JP		 15697 !tg3_flag(tp, ENABLE_APE) &&
15698 !tg3_flag(tp, ENABLE_ASF)) {
e2bf73e7 15699 u32 bmsr, dummy;
1da177e4
LT		 15700
15701 tg3_readphy(tp, MII_BMSR, &bmsr);
15702 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
15703 (bmsr & BMSR_LSTATUS))
15704 goto skip_phy_reset;
6aa20a22 15705
1da177e4
LT		 15706 err = tg3_phy_reset(tp);
15707 if (err)
15708 return err;
15709
42b64a45 15710 tg3_phy_set_wirespeed(tp);
1da177e4 15711
e2bf73e7 15712 if (!tg3_phy_copper_an_config_ok(tp, &dummy)) {
42b64a45
MC		 15713 tg3_phy_autoneg_cfg(tp, tp->link_config.advertising,
15714 tp->link_config.flowctrl);
1da177e4
LT		 15715
15716 tg3_writephy(tp, MII_BMCR,
15717 BMCR_ANENABLE | BMCR_ANRESTART);
15718 }
1da177e4
LT		 15719 }
15720
15721skip_phy_reset:
79eb6904 15722 if ((tp->phy_id & TG3_PHY_ID_MASK) == TG3_PHY_ID_BCM5401) {
1da177e4
LT		 15723 err = tg3_init_5401phy_dsp(tp);
15724 if (err)
15725 return err;
1da177e4 15726
1da177e4
LT		 15727 err = tg3_init_5401phy_dsp(tp);
15728 }
15729
1da177e4
LT		 15730 return err;
15731}
15732
229b1ad1 15733static void tg3_read_vpd(struct tg3 *tp)
1da177e4 15734{
a4a8bb15 15735 u8 *vpd_data;
466a79f4
HK		 15736 unsigned int len, vpdlen;
15737 int i;
a4a8bb15 15738
535a490e 15739 vpd_data = (u8 *)tg3_vpd_readblock(tp, &vpdlen);
a4a8bb15
MC		 15740 if (!vpd_data)
15741 goto out_no_vpd;
1da177e4 15742
466a79f4
HK		 15743 i = pci_vpd_find_ro_info_keyword(vpd_data, vpdlen,
15744 PCI_VPD_RO_KEYWORD_MFR_ID, &len);
4181b2c8 15745 if (i < 0)
466a79f4 15746 goto partno;
1da177e4 15747
466a79f4
HK		 15748 if (len != 4 || memcmp(vpd_data + i, "1028", 4))
15749 goto partno;
184b8904 15750
466a79f4
HK		 15751 i = pci_vpd_find_ro_info_keyword(vpd_data, vpdlen,
15752 PCI_VPD_RO_KEYWORD_VENDOR0, &len);
15753 if (i < 0)
15754 goto partno;
184b8904 15755
466a79f4
HK		 15756 memset(tp->fw_ver, 0, sizeof(tp->fw_ver));
15757 snprintf(tp->fw_ver, sizeof(tp->fw_ver), "%.*s bc ", len, vpd_data + i);
184b8904
MC		 15758
15759partno:
466a79f4
HK		 15760 i = pci_vpd_find_ro_info_keyword(vpd_data, vpdlen,
15761 PCI_VPD_RO_KEYWORD_PARTNO, &len);
4181b2c8
MC		 15762 if (i < 0)
15763 goto out_not_found;
af2c6a4a 15764
466a79f4 15765 if (len > TG3_BPN_SIZE)
4181b2c8 15766 goto out_not_found;
1da177e4 15767
4181b2c8 15768 memcpy(tp->board_part_number, &vpd_data[i], len);
1da177e4 15769
1da177e4 15770out_not_found:
a4a8bb15 15771 kfree(vpd_data);
37a949c5 15772 if (tp->board_part_number[0])
a4a8bb15
MC		 15773 return;
15774
15775out_no_vpd:
4153577a 15776 if (tg3_asic_rev(tp) == ASIC_REV_5717) {
79d49695
MC		 15777 if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_5717 ||
15778 tp->pdev->device == TG3PCI_DEVICE_TIGON3_5717_C)
37a949c5
MC		 15779 strcpy(tp->board_part_number, "BCM5717");
15780 else if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_5718)
15781 strcpy(tp->board_part_number, "BCM5718");
15782 else
15783 goto nomatch;
4153577a 15784 } else if (tg3_asic_rev(tp) == ASIC_REV_57780) {
37a949c5
MC		 15785 if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_57780)
15786 strcpy(tp->board_part_number, "BCM57780");
15787 else if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_57760)
15788 strcpy(tp->board_part_number, "BCM57760");
15789 else if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_57790)
15790 strcpy(tp->board_part_number, "BCM57790");
15791 else if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_57788)
15792 strcpy(tp->board_part_number, "BCM57788");
15793 else
15794 goto nomatch;
4153577a 15795 } else if (tg3_asic_rev(tp) == ASIC_REV_57765) {
37a949c5
MC		 15796 if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_57761)
15797 strcpy(tp->board_part_number, "BCM57761");
15798 else if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_57765)
15799 strcpy(tp->board_part_number, "BCM57765");
15800 else if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_57781)
15801 strcpy(tp->board_part_number, "BCM57781");
15802 else if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_57785)
15803 strcpy(tp->board_part_number, "BCM57785");
15804 else if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_57791)
15805 strcpy(tp->board_part_number, "BCM57791");
15806 else if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_57795)
15807 strcpy(tp->board_part_number, "BCM57795");
15808 else
15809 goto nomatch;
4153577a 15810 } else if (tg3_asic_rev(tp) == ASIC_REV_57766) {
55086ad9
MC		 15811 if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_57762)
15812 strcpy(tp->board_part_number, "BCM57762");
15813 else if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_57766)
15814 strcpy(tp->board_part_number, "BCM57766");
15815 else if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_57782)
15816 strcpy(tp->board_part_number, "BCM57782");
15817 else if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_57786)
15818 strcpy(tp->board_part_number, "BCM57786");
15819 else
15820 goto nomatch;
4153577a 15821 } else if (tg3_asic_rev(tp) == ASIC_REV_5906) {
b5d3772c 15822 strcpy(tp->board_part_number, "BCM95906");
37a949c5
MC		 15823 } else {
15824nomatch:
b5d3772c 15825 strcpy(tp->board_part_number, "none");
37a949c5 15826 }
1da177e4
LT		 15827}
15828
229b1ad1 15829static int tg3_fw_img_is_valid(struct tg3 *tp, u32 offset)
9c8a620e
MC		 15830{
15831 u32 val;
15832
e4f34110 15833 if (tg3_nvram_read(tp, offset, &val) ||
9c8a620e 15834 (val & 0xfc000000) != 0x0c000000 ||
e4f34110 15835 tg3_nvram_read(tp, offset + 4, &val) ||
9c8a620e
MC		 15836 val != 0)
15837 return 0;
15838
15839 return 1;
15840}
15841
229b1ad1 15842static void tg3_read_bc_ver(struct tg3 *tp)
acd9c119 15843{
ff3a7cb2 15844 u32 val, offset, start, ver_offset;
75f9936e 15845 int i, dst_off;
ff3a7cb2 15846 bool newver = false;
acd9c119
MC		 15847
15848 if (tg3_nvram_read(tp, 0xc, &offset) ||
15849 tg3_nvram_read(tp, 0x4, &start))
15850 return;
15851
15852 offset = tg3_nvram_logical_addr(tp, offset);
15853
ff3a7cb2 15854 if (tg3_nvram_read(tp, offset, &val))
acd9c119
MC		 15855 return;
15856
ff3a7cb2
MC		 15857 if ((val & 0xfc000000) == 0x0c000000) {
15858 if (tg3_nvram_read(tp, offset + 4, &val))
acd9c119
MC		 15859 return;
15860
ff3a7cb2
MC		 15861 if (val == 0)
15862 newver = true;
15863 }
15864
75f9936e
MC		 15865 dst_off = strlen(tp->fw_ver);
15866
ff3a7cb2 15867 if (newver) {
75f9936e
MC		 15868 if (TG3_VER_SIZE - dst_off < 16 ||
15869 tg3_nvram_read(tp, offset + 8, &ver_offset))
ff3a7cb2
MC		 15870 return;
15871
15872 offset = offset + ver_offset - start;
15873 for (i = 0; i < 16; i += 4) {
15874 __be32 v;
15875 if (tg3_nvram_read_be32(tp, offset + i, &v))
15876 return;
15877
75f9936e 15878 memcpy(tp->fw_ver + dst_off + i, &v, sizeof(v));
ff3a7cb2
MC		 15879 }
15880 } else {
15881 u32 major, minor;
15882
15883 if (tg3_nvram_read(tp, TG3_NVM_PTREV_BCVER, &ver_offset))
15884 return;
15885
15886 major = (ver_offset & TG3_NVM_BCVER_MAJMSK) >>
15887 TG3_NVM_BCVER_MAJSFT;
15888 minor = ver_offset & TG3_NVM_BCVER_MINMSK;
75f9936e
MC		 15889 snprintf(&tp->fw_ver[dst_off], TG3_VER_SIZE - dst_off,
15890 "v%d.%02d", major, minor);
acd9c119
MC		 15891 }
15892}
15893
229b1ad1 15894static void tg3_read_hwsb_ver(struct tg3 *tp)
a6f6cb1c
MC		 15895{
15896 u32 val, major, minor;
15897
15898 /* Use native endian representation */
15899 if (tg3_nvram_read(tp, TG3_NVM_HWSB_CFG1, &val))
15900 return;
15901
15902 major = (val & TG3_NVM_HWSB_CFG1_MAJMSK) >>
15903 TG3_NVM_HWSB_CFG1_MAJSFT;
15904 minor = (val & TG3_NVM_HWSB_CFG1_MINMSK) >>
15905 TG3_NVM_HWSB_CFG1_MINSFT;
15906
15907 snprintf(&tp->fw_ver[0], 32, "sb v%d.%02d", major, minor);
15908}
15909
229b1ad1 15910static void tg3_read_sb_ver(struct tg3 *tp, u32 val)
dfe00d7d
MC		 15911{
15912 u32 offset, major, minor, build;
15913
75f9936e 15914 strncat(tp->fw_ver, "sb", TG3_VER_SIZE - strlen(tp->fw_ver) - 1);
dfe00d7d
MC		 15915
15916 if ((val & TG3_EEPROM_SB_FORMAT_MASK) != TG3_EEPROM_SB_FORMAT_1)
15917 return;
15918
15919 switch (val & TG3_EEPROM_SB_REVISION_MASK) {
15920 case TG3_EEPROM_SB_REVISION_0:
15921 offset = TG3_EEPROM_SB_F1R0_EDH_OFF;
15922 break;
15923 case TG3_EEPROM_SB_REVISION_2:
15924 offset = TG3_EEPROM_SB_F1R2_EDH_OFF;
15925 break;
15926 case TG3_EEPROM_SB_REVISION_3:
15927 offset = TG3_EEPROM_SB_F1R3_EDH_OFF;
15928 break;
a4153d40
MC		 15929 case TG3_EEPROM_SB_REVISION_4:
15930 offset = TG3_EEPROM_SB_F1R4_EDH_OFF;
15931 break;
15932 case TG3_EEPROM_SB_REVISION_5:
15933 offset = TG3_EEPROM_SB_F1R5_EDH_OFF;
15934 break;
bba226ac
MC		 15935 case TG3_EEPROM_SB_REVISION_6:
15936 offset = TG3_EEPROM_SB_F1R6_EDH_OFF;
15937 break;
dfe00d7d
MC		 15938 default:
15939 return;
15940 }
15941
e4f34110 15942 if (tg3_nvram_read(tp, offset, &val))
dfe00d7d
MC		 15943 return;
15944
15945 build = (val & TG3_EEPROM_SB_EDH_BLD_MASK) >>
15946 TG3_EEPROM_SB_EDH_BLD_SHFT;
15947 major = (val & TG3_EEPROM_SB_EDH_MAJ_MASK) >>
15948 TG3_EEPROM_SB_EDH_MAJ_SHFT;
15949 minor = val & TG3_EEPROM_SB_EDH_MIN_MASK;
15950
15951 if (minor > 99 || build > 26)
15952 return;
15953
75f9936e
MC		 15954 offset = strlen(tp->fw_ver);
15955 snprintf(&tp->fw_ver[offset], TG3_VER_SIZE - offset,
15956 " v%d.%02d", major, minor);
dfe00d7d
MC		 15957
15958 if (build > 0) {
75f9936e
MC		 15959 offset = strlen(tp->fw_ver);
15960 if (offset < TG3_VER_SIZE - 1)
15961 tp->fw_ver[offset] = 'a' + build - 1;
dfe00d7d
MC		 15962 }
15963}
15964
229b1ad1 15965static void tg3_read_mgmtfw_ver(struct tg3 *tp)
c4e6575c
MC		 15966{
15967 u32 val, offset, start;
acd9c119 15968 int i, vlen;
9c8a620e
MC		 15969
15970 for (offset = TG3_NVM_DIR_START;
15971 offset < TG3_NVM_DIR_END;
15972 offset += TG3_NVM_DIRENT_SIZE) {
e4f34110 15973 if (tg3_nvram_read(tp, offset, &val))
c4e6575c
MC		 15974 return;
15975
9c8a620e
MC		 15976 if ((val >> TG3_NVM_DIRTYPE_SHIFT) == TG3_NVM_DIRTYPE_ASFINI)
15977 break;
15978 }
15979
15980 if (offset == TG3_NVM_DIR_END)
15981 return;
15982
63c3a66f 15983 if (!tg3_flag(tp, 5705_PLUS))
9c8a620e 15984 start = 0x08000000;
e4f34110 15985 else if (tg3_nvram_read(tp, offset - 4, &start))
9c8a620e
MC		 15986 return;
15987
e4f34110 15988 if (tg3_nvram_read(tp, offset + 4, &offset) ||
9c8a620e 15989 !tg3_fw_img_is_valid(tp, offset) ||
e4f34110 15990 tg3_nvram_read(tp, offset + 8, &val))
9c8a620e
MC		 15991 return;
15992
15993 offset += val - start;
15994
acd9c119 15995 vlen = strlen(tp->fw_ver);
9c8a620e 15996
acd9c119
MC		 15997 tp->fw_ver[vlen++] = ',';
15998 tp->fw_ver[vlen++] = ' ';
9c8a620e
MC		 15999
16000 for (i = 0; i < 4; i++) {
a9dc529d
MC		 16001 __be32 v;
16002 if (tg3_nvram_read_be32(tp, offset, &v))
c4e6575c
MC		 16003 return;
16004
b9fc7dc5 16005 offset += sizeof(v);
c4e6575c 16006
acd9c119
MC		 16007 if (vlen > TG3_VER_SIZE - sizeof(v)) {
16008 memcpy(&tp->fw_ver[vlen], &v, TG3_VER_SIZE - vlen);
9c8a620e 16009 break;
c4e6575c 16010 }
9c8a620e 16011
acd9c119
MC		 16012 memcpy(&tp->fw_ver[vlen], &v, sizeof(v));
16013 vlen += sizeof(v);
c4e6575c 16014 }
acd9c119
MC		 16015}
16016
229b1ad1 16017static void tg3_probe_ncsi(struct tg3 *tp)
7fd76445 16018{
7fd76445 16019 u32 apedata;
7fd76445
MC		 16020
16021 apedata = tg3_ape_read32(tp, TG3_APE_SEG_SIG);
16022 if (apedata != APE_SEG_SIG_MAGIC)
16023 return;
16024
16025 apedata = tg3_ape_read32(tp, TG3_APE_FW_STATUS);
16026 if (!(apedata & APE_FW_STATUS_READY))
16027 return;
16028
165f4d1c
MC		 16029 if (tg3_ape_read32(tp, TG3_APE_FW_FEATURES) & TG3_APE_FW_FEATURE_NCSI)
16030 tg3_flag_set(tp, APE_HAS_NCSI);
16031}
16032
229b1ad1 16033static void tg3_read_dash_ver(struct tg3 *tp)
165f4d1c
MC		 16034{
16035 int vlen;
16036 u32 apedata;
16037 char *fwtype;
16038
7fd76445
MC		 16039 apedata = tg3_ape_read32(tp, TG3_APE_FW_VERSION);
16040
165f4d1c 16041 if (tg3_flag(tp, APE_HAS_NCSI))
ecc79648 16042 fwtype = "NCSI";
c86a8560
MC		 16043 else if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_5725)
16044 fwtype = "SMASH";
165f4d1c 16045 else
ecc79648
MC		 16046 fwtype = "DASH";
16047
7fd76445
MC		 16048 vlen = strlen(tp->fw_ver);
16049
ecc79648
MC		 16050 snprintf(&tp->fw_ver[vlen], TG3_VER_SIZE - vlen, " %s v%d.%d.%d.%d",
16051 fwtype,
7fd76445
MC		 16052 (apedata & APE_FW_VERSION_MAJMSK) >> APE_FW_VERSION_MAJSFT,
16053 (apedata & APE_FW_VERSION_MINMSK) >> APE_FW_VERSION_MINSFT,
16054 (apedata & APE_FW_VERSION_REVMSK) >> APE_FW_VERSION_REVSFT,
16055 (apedata & APE_FW_VERSION_BLDMSK));
16056}
16057
c86a8560
MC		 16058static void tg3_read_otp_ver(struct tg3 *tp)
16059{
16060 u32 val, val2;
16061
4153577a 16062 if (tg3_asic_rev(tp) != ASIC_REV_5762)
c86a8560
MC		 16063 return;
16064
16065 if (!tg3_ape_otp_read(tp, OTP_ADDRESS_MAGIC0, &val) &&
16066 !tg3_ape_otp_read(tp, OTP_ADDRESS_MAGIC0 + 4, &val2) &&
16067 TG3_OTP_MAGIC0_VALID(val)) {
16068 u64 val64 = (u64) val << 32 | val2;
16069 u32 ver = 0;
16070 int i, vlen;
16071
16072 for (i = 0; i < 7; i++) {
16073 if ((val64 & 0xff) == 0)
16074 break;
16075 ver = val64 & 0xff;
16076 val64 >>= 8;
16077 }
16078 vlen = strlen(tp->fw_ver);
16079 snprintf(&tp->fw_ver[vlen], TG3_VER_SIZE - vlen, " .%02d", ver);
16080 }
16081}
16082
229b1ad1 16083static void tg3_read_fw_ver(struct tg3 *tp)
acd9c119
MC		 16084{
16085 u32 val;
75f9936e 16086 bool vpd_vers = false;
acd9c119 16087
75f9936e
MC		 16088 if (tp->fw_ver[0] != 0)
16089 vpd_vers = true;
df259d8c 16090
63c3a66f 16091 if (tg3_flag(tp, NO_NVRAM)) {
75f9936e 16092 strcat(tp->fw_ver, "sb");
c86a8560 16093 tg3_read_otp_ver(tp);
df259d8c
MC		 16094 return;
16095 }
16096
acd9c119
MC		 16097 if (tg3_nvram_read(tp, 0, &val))
16098 return;
16099
16100 if (val == TG3_EEPROM_MAGIC)
16101 tg3_read_bc_ver(tp);
16102 else if ((val & TG3_EEPROM_MAGIC_FW_MSK) == TG3_EEPROM_MAGIC_FW)
16103 tg3_read_sb_ver(tp, val);
a6f6cb1c
MC		 16104 else if ((val & TG3_EEPROM_MAGIC_HW_MSK) == TG3_EEPROM_MAGIC_HW)
16105 tg3_read_hwsb_ver(tp);
acd9c119 16106
165f4d1c
MC		 16107 if (tg3_flag(tp, ENABLE_ASF)) {
16108 if (tg3_flag(tp, ENABLE_APE)) {
16109 tg3_probe_ncsi(tp);
16110 if (!vpd_vers)
16111 tg3_read_dash_ver(tp);
16112 } else if (!vpd_vers) {
16113 tg3_read_mgmtfw_ver(tp);
16114 }
c9cab24e 16115 }
9c8a620e
MC		 16116
16117 tp->fw_ver[TG3_VER_SIZE - 1] = 0;
c4e6575c
MC		 16118}
16119
7cb32cf2
MC		 16120static inline u32 tg3_rx_ret_ring_size(struct tg3 *tp)
16121{
63c3a66f 16122 if (tg3_flag(tp, LRG_PROD_RING_CAP))
de9f5230 16123 return TG3_RX_RET_MAX_SIZE_5717;
63c3a66f 16124 else if (tg3_flag(tp, JUMBO_CAPABLE) && !tg3_flag(tp, 5780_CLASS))
de9f5230 16125 return TG3_RX_RET_MAX_SIZE_5700;
7cb32cf2 16126 else
de9f5230 16127 return TG3_RX_RET_MAX_SIZE_5705;
7cb32cf2
MC		 16128}
16129
9baa3c34 16130static const struct pci_device_id tg3_write_reorder_chipsets[] = {
895950c2
JP		 16131 { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_FE_GATE_700C) },
16132 { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_8131_BRIDGE) },
16133 { PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8385_0) },
16134 { },
16135};
16136
229b1ad1 16137static struct pci_dev *tg3_find_peer(struct tg3 *tp)
16c7fa7d
MC		 16138{
16139 struct pci_dev *peer;
16140 unsigned int func, devnr = tp->pdev->devfn & ~7;
16141
16142 for (func = 0; func < 8; func++) {
16143 peer = pci_get_slot(tp->pdev->bus, devnr | func);
16144 if (peer && peer != tp->pdev)
16145 break;
16146 pci_dev_put(peer);
16147 }
16148 /* 5704 can be configured in single-port mode, set peer to
16149 * tp->pdev in that case.
16150 */
16151 if (!peer) {
16152 peer = tp->pdev;
16153 return peer;
16154 }
16155
16156 /*
16157 * We don't need to keep the refcount elevated; there's no way
16158 * to remove one half of this device without removing the other
16159 */
16160 pci_dev_put(peer);
16161
16162 return peer;
16163}
16164
229b1ad1 16165static void tg3_detect_asic_rev(struct tg3 *tp, u32 misc_ctrl_reg)
42b123b1
MC		 16166{
16167 tp->pci_chip_rev_id = misc_ctrl_reg >> MISC_HOST_CTRL_CHIPREV_SHIFT;
4153577a 16168 if (tg3_asic_rev(tp) == ASIC_REV_USE_PROD_ID_REG) {
42b123b1
MC		 16169 u32 reg;
16170
16171 /* All devices that use the alternate
16172 * ASIC REV location have a CPMU.
16173 */
16174 tg3_flag_set(tp, CPMU_PRESENT);
16175
16176 if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_5717 ||
79d49695 16177 tp->pdev->device == TG3PCI_DEVICE_TIGON3_5717_C ||
42b123b1
MC		 16178 tp->pdev->device == TG3PCI_DEVICE_TIGON3_5718 ||
16179 tp->pdev->device == TG3PCI_DEVICE_TIGON3_5719 ||
c65a17f4 16180 tp->pdev->device == TG3PCI_DEVICE_TIGON3_5720 ||
68273712
NS		 16181 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57767 ||
16182 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57764 ||
c65a17f4
MC		 16183 tp->pdev->device == TG3PCI_DEVICE_TIGON3_5762 ||
16184 tp->pdev->device == TG3PCI_DEVICE_TIGON3_5725 ||
68273712
NS		 16185 tp->pdev->device == TG3PCI_DEVICE_TIGON3_5727 ||
16186 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57787)
42b123b1
MC		 16187 reg = TG3PCI_GEN2_PRODID_ASICREV;
16188 else if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_57781 ||
16189 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57785 ||
16190 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57761 ||
16191 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57765 ||
16192 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57791 ||
16193 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57795 ||
16194 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57762 ||
16195 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57766 ||
16196 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57782 ||
16197 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57786)
16198 reg = TG3PCI_GEN15_PRODID_ASICREV;
16199 else
16200 reg = TG3PCI_PRODID_ASICREV;
16201
16202 pci_read_config_dword(tp->pdev, reg, &tp->pci_chip_rev_id);
16203 }
16204
16205 /* Wrong chip ID in 5752 A0. This code can be removed later
16206 * as A0 is not in production.
16207 */
4153577a 16208 if (tg3_chip_rev_id(tp) == CHIPREV_ID_5752_A0_HW)
42b123b1
MC		 16209 tp->pci_chip_rev_id = CHIPREV_ID_5752_A0;
16210
4153577a 16211 if (tg3_chip_rev_id(tp) == CHIPREV_ID_5717_C0)
79d49695
MC		 16212 tp->pci_chip_rev_id = CHIPREV_ID_5720_A0;
16213
4153577a
JP		 16214 if (tg3_asic_rev(tp) == ASIC_REV_5717 ||
16215 tg3_asic_rev(tp) == ASIC_REV_5719 ||
16216 tg3_asic_rev(tp) == ASIC_REV_5720)
42b123b1
MC		 16217 tg3_flag_set(tp, 5717_PLUS);
16218
4153577a
JP		 16219 if (tg3_asic_rev(tp) == ASIC_REV_57765 ||
16220 tg3_asic_rev(tp) == ASIC_REV_57766)
42b123b1
MC		 16221 tg3_flag_set(tp, 57765_CLASS);
16222
c65a17f4 16223 if (tg3_flag(tp, 57765_CLASS) || tg3_flag(tp, 5717_PLUS) ||
4153577a 16224 tg3_asic_rev(tp) == ASIC_REV_5762)
42b123b1
MC		 16225 tg3_flag_set(tp, 57765_PLUS);
16226
16227 /* Intentionally exclude ASIC_REV_5906 */
4153577a
JP		 16228 if (tg3_asic_rev(tp) == ASIC_REV_5755 ||
16229 tg3_asic_rev(tp) == ASIC_REV_5787 ||
16230 tg3_asic_rev(tp) == ASIC_REV_5784 ||
16231 tg3_asic_rev(tp) == ASIC_REV_5761 ||
16232 tg3_asic_rev(tp) == ASIC_REV_5785 ||
16233 tg3_asic_rev(tp) == ASIC_REV_57780 ||
42b123b1
MC		 16234 tg3_flag(tp, 57765_PLUS))
16235 tg3_flag_set(tp, 5755_PLUS);
16236
4153577a
JP		 16237 if (tg3_asic_rev(tp) == ASIC_REV_5780 ||
16238 tg3_asic_rev(tp) == ASIC_REV_5714)
42b123b1
MC		 16239 tg3_flag_set(tp, 5780_CLASS);
16240
4153577a
JP		 16241 if (tg3_asic_rev(tp) == ASIC_REV_5750 ||
16242 tg3_asic_rev(tp) == ASIC_REV_5752 ||
16243 tg3_asic_rev(tp) == ASIC_REV_5906 ||
42b123b1
MC		 16244 tg3_flag(tp, 5755_PLUS) ||
16245 tg3_flag(tp, 5780_CLASS))
16246 tg3_flag_set(tp, 5750_PLUS);
16247
4153577a 16248 if (tg3_asic_rev(tp) == ASIC_REV_5705 ||
42b123b1
MC		 16249 tg3_flag(tp, 5750_PLUS))
16250 tg3_flag_set(tp, 5705_PLUS);
16251}
16252
3d567e0e
NNS		 16253static bool tg3_10_100_only_device(struct tg3 *tp,
16254 const struct pci_device_id *ent)
16255{
16256 u32 grc_misc_cfg = tr32(GRC_MISC_CFG) & GRC_MISC_CFG_BOARD_ID_MASK;
16257
4153577a
JP		 16258 if ((tg3_asic_rev(tp) == ASIC_REV_5703 &&
16259 (grc_misc_cfg == 0x8000 || grc_misc_cfg == 0x4000)) ||
3d567e0e
NNS		 16260 (tp->phy_flags & TG3_PHYFLG_IS_FET))
16261 return true;
16262
16263 if (ent->driver_data & TG3_DRV_DATA_FLAG_10_100_ONLY) {
4153577a 16264 if (tg3_asic_rev(tp) == ASIC_REV_5705) {
3d567e0e
NNS		 16265 if (ent->driver_data & TG3_DRV_DATA_FLAG_5705_10_100)
16266 return true;
16267 } else {
16268 return true;
16269 }
16270 }
16271
16272 return false;
16273}
16274
1dd06ae8 16275static int tg3_get_invariants(struct tg3 *tp, const struct pci_device_id *ent)
1da177e4 16276{
1da177e4 16277 u32 misc_ctrl_reg;
1da177e4
LT		 16278 u32 pci_state_reg, grc_misc_cfg;
16279 u32 val;
16280 u16 pci_cmd;
5e7dfd0f 16281 int err;
1da177e4 16282
1da177e4
LT		 16283 /* Force memory write invalidate off. If we leave it on,
16284 * then on 5700_BX chips we have to enable a workaround.
16285 * The workaround is to set the TG3PCI_DMA_RW_CTRL boundary
16286 * to match the cacheline size. The Broadcom driver have this
16287 * workaround but turns MWI off all the times so never uses
16288 * it. This seems to suggest that the workaround is insufficient.
16289 */
16290 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
16291 pci_cmd &= ~PCI_COMMAND_INVALIDATE;
16292 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
16293
16821285
MC		 16294 /* Important! -- Make sure register accesses are byteswapped
16295 * correctly. Also, for those chips that require it, make
16296 * sure that indirect register accesses are enabled before
16297 * the first operation.
1da177e4
LT		 16298 */
16299 pci_read_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
16300 &misc_ctrl_reg);
16821285
MC		 16301 tp->misc_host_ctrl |= (misc_ctrl_reg &
16302 MISC_HOST_CTRL_CHIPREV);
16303 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
16304 tp->misc_host_ctrl);
1da177e4 16305
42b123b1 16306 tg3_detect_asic_rev(tp, misc_ctrl_reg);
ff645bec 16307
6892914f
MC		 16308 /* If we have 5702/03 A1 or A2 on certain ICH chipsets,
16309 * we need to disable memory and use config. cycles
16310 * only to access all registers. The 5702/03 chips
16311 * can mistakenly decode the special cycles from the
16312 * ICH chipsets as memory write cycles, causing corruption
16313 * of register and memory space. Only certain ICH bridges
16314 * will drive special cycles with non-zero data during the
16315 * address phase which can fall within the 5703's address
16316 * range. This is not an ICH bug as the PCI spec allows
16317 * non-zero address during special cycles. However, only
16318 * these ICH bridges are known to drive non-zero addresses
16319 * during special cycles.
16320 *
16321 * Since special cycles do not cross PCI bridges, we only
16322 * enable this workaround if the 5703 is on the secondary
16323 * bus of these ICH bridges.
16324 */
4153577a
JP		 16325 if ((tg3_chip_rev_id(tp) == CHIPREV_ID_5703_A1) ||
16326 (tg3_chip_rev_id(tp) == CHIPREV_ID_5703_A2)) {
6892914f
MC		 16327 static struct tg3_dev_id {
16328 u32 vendor;
16329 u32 device;
16330 u32 rev;
16331 } ich_chipsets[] = {
16332 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AA_8,
16333 PCI_ANY_ID },
16334 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AB_8,
16335 PCI_ANY_ID },
16336 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_11,
16337 0xa },
16338 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_6,
16339 PCI_ANY_ID },
16340 { },
16341 };
16342 struct tg3_dev_id *pci_id = &ich_chipsets[0];
16343 struct pci_dev *bridge = NULL;
16344
16345 while (pci_id->vendor != 0) {
16346 bridge = pci_get_device(pci_id->vendor, pci_id->device,
16347 bridge);
16348 if (!bridge) {
16349 pci_id++;
16350 continue;
16351 }
16352 if (pci_id->rev != PCI_ANY_ID) {
44c10138 16353 if (bridge->revision > pci_id->rev)
6892914f
MC		 16354 continue;
16355 }
16356 if (bridge->subordinate &&
16357 (bridge->subordinate->number ==
16358 tp->pdev->bus->number)) {
63c3a66f 16359 tg3_flag_set(tp, ICH_WORKAROUND);
6892914f
MC		 16360 pci_dev_put(bridge);
16361 break;
16362 }
16363 }
16364 }
16365
4153577a 16366 if (tg3_asic_rev(tp) == ASIC_REV_5701) {
41588ba1
MC		 16367 static struct tg3_dev_id {
16368 u32 vendor;
16369 u32 device;
16370 } bridge_chipsets[] = {
16371 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_PXH_0 },
16372 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_PXH_1 },
16373 { },
16374 };
16375 struct tg3_dev_id *pci_id = &bridge_chipsets[0];
16376 struct pci_dev *bridge = NULL;
16377
16378 while (pci_id->vendor != 0) {
16379 bridge = pci_get_device(pci_id->vendor,
16380 pci_id->device,
16381 bridge);
16382 if (!bridge) {
16383 pci_id++;
16384 continue;
16385 }
16386 if (bridge->subordinate &&
16387 (bridge->subordinate->number <=
16388 tp->pdev->bus->number) &&
b918c62e 16389 (bridge->subordinate->busn_res.end >=
41588ba1 16390 tp->pdev->bus->number)) {
63c3a66f 16391 tg3_flag_set(tp, 5701_DMA_BUG);
41588ba1
MC		 16392 pci_dev_put(bridge);
16393 break;
16394 }
16395 }
16396 }
16397
4a29cc2e
MC		 16398 /* The EPB bridge inside 5714, 5715, and 5780 cannot support
16399 * DMA addresses > 40-bit. This bridge may have other additional
16400 * 57xx devices behind it in some 4-port NIC designs for example.
16401 * Any tg3 device found behind the bridge will also need the 40-bit
16402 * DMA workaround.
16403 */
42b123b1 16404 if (tg3_flag(tp, 5780_CLASS)) {
63c3a66f 16405 tg3_flag_set(tp, 40BIT_DMA_BUG);
0f847584 16406 tp->msi_cap = tp->pdev->msi_cap;
859a5887 16407 } else {
4a29cc2e
MC		 16408 struct pci_dev *bridge = NULL;
16409
16410 do {
16411 bridge = pci_get_device(PCI_VENDOR_ID_SERVERWORKS,
16412 PCI_DEVICE_ID_SERVERWORKS_EPB,
16413 bridge);
16414 if (bridge && bridge->subordinate &&
16415 (bridge->subordinate->number <=
16416 tp->pdev->bus->number) &&
b918c62e 16417 (bridge->subordinate->busn_res.end >=
4a29cc2e 16418 tp->pdev->bus->number)) {
63c3a66f 16419 tg3_flag_set(tp, 40BIT_DMA_BUG);
4a29cc2e
MC		 16420 pci_dev_put(bridge);
16421 break;
16422 }
16423 } while (bridge);
16424 }
4cf78e4f 16425
4153577a
JP		 16426 if (tg3_asic_rev(tp) == ASIC_REV_5704 ||
16427 tg3_asic_rev(tp) == ASIC_REV_5714)
7544b097
MC		 16428 tp->pdev_peer = tg3_find_peer(tp);
16429
507399f1 16430 /* Determine TSO capabilities */
4153577a 16431 if (tg3_chip_rev_id(tp) == CHIPREV_ID_5719_A0)
4d163b75 16432 ; /* Do nothing. HW bug. */
63c3a66f
JP		 16433 else if (tg3_flag(tp, 57765_PLUS))
16434 tg3_flag_set(tp, HW_TSO_3);
16435 else if (tg3_flag(tp, 5755_PLUS) ||
4153577a 16436 tg3_asic_rev(tp) == ASIC_REV_5906)
63c3a66f
JP		 16437 tg3_flag_set(tp, HW_TSO_2);
16438 else if (tg3_flag(tp, 5750_PLUS)) {
16439 tg3_flag_set(tp, HW_TSO_1);
16440 tg3_flag_set(tp, TSO_BUG);
4153577a
JP		 16441 if (tg3_asic_rev(tp) == ASIC_REV_5750 &&
16442 tg3_chip_rev_id(tp) >= CHIPREV_ID_5750_C2)
63c3a66f 16443 tg3_flag_clear(tp, TSO_BUG);
4153577a
JP		 16444 } else if (tg3_asic_rev(tp) != ASIC_REV_5700 &&
16445 tg3_asic_rev(tp) != ASIC_REV_5701 &&
16446 tg3_chip_rev_id(tp) != CHIPREV_ID_5705_A0) {
1caf13eb
MC		 16447 tg3_flag_set(tp, FW_TSO);
16448 tg3_flag_set(tp, TSO_BUG);
4153577a 16449 if (tg3_asic_rev(tp) == ASIC_REV_5705)
507399f1
MC		 16450 tp->fw_needed = FIRMWARE_TG3TSO5;
16451 else
16452 tp->fw_needed = FIRMWARE_TG3TSO;
16453 }
16454
dabc5c67 16455 /* Selectively allow TSO based on operating conditions */
6ff6f81d
MC		 16456 if (tg3_flag(tp, HW_TSO_1) ||
16457 tg3_flag(tp, HW_TSO_2) ||
16458 tg3_flag(tp, HW_TSO_3) ||
1caf13eb 16459 tg3_flag(tp, FW_TSO)) {
cf9ecf4b
MC		 16460 /* For firmware TSO, assume ASF is disabled.
16461 * We'll disable TSO later if we discover ASF
16462 * is enabled in tg3_get_eeprom_hw_cfg().
16463 */
dabc5c67 16464 tg3_flag_set(tp, TSO_CAPABLE);
cf9ecf4b 16465 } else {
dabc5c67
MC		 16466 tg3_flag_clear(tp, TSO_CAPABLE);
16467 tg3_flag_clear(tp, TSO_BUG);
16468 tp->fw_needed = NULL;
16469 }
16470
4153577a 16471 if (tg3_chip_rev_id(tp) == CHIPREV_ID_5701_A0)
dabc5c67
MC		 16472 tp->fw_needed = FIRMWARE_TG3;
16473
c4dab506
NS		 16474 if (tg3_asic_rev(tp) == ASIC_REV_57766)
16475 tp->fw_needed = FIRMWARE_TG357766;
16476
507399f1
MC		 16477 tp->irq_max = 1;
16478
63c3a66f
JP		 16479 if (tg3_flag(tp, 5750_PLUS)) {
16480 tg3_flag_set(tp, SUPPORT_MSI);
4153577a
JP		 16481 if (tg3_chip_rev(tp) == CHIPREV_5750_AX ||
16482 tg3_chip_rev(tp) == CHIPREV_5750_BX ||
16483 (tg3_asic_rev(tp) == ASIC_REV_5714 &&
16484 tg3_chip_rev_id(tp) <= CHIPREV_ID_5714_A2 &&
7544b097 16485 tp->pdev_peer == tp->pdev))
63c3a66f 16486 tg3_flag_clear(tp, SUPPORT_MSI);
7544b097 16487
63c3a66f 16488 if (tg3_flag(tp, 5755_PLUS) ||
4153577a 16489 tg3_asic_rev(tp) == ASIC_REV_5906) {
63c3a66f 16490 tg3_flag_set(tp, 1SHOT_MSI);
52c0fd83 16491 }
4f125f42 16492
63c3a66f
JP		 16493 if (tg3_flag(tp, 57765_PLUS)) {
16494 tg3_flag_set(tp, SUPPORT_MSIX);
507399f1
MC		 16495 tp->irq_max = TG3_IRQ_MAX_VECS;
16496 }
f6eb9b1f 16497 }
0e1406dd 16498
9102426a
MC		 16499 tp->txq_max = 1;
16500 tp->rxq_max = 1;
16501 if (tp->irq_max > 1) {
16502 tp->rxq_max = TG3_RSS_MAX_NUM_QS;
16503 tg3_rss_init_dflt_indir_tbl(tp, TG3_RSS_MAX_NUM_QS);
16504
4153577a
JP		 16505 if (tg3_asic_rev(tp) == ASIC_REV_5719 ||
16506 tg3_asic_rev(tp) == ASIC_REV_5720)
9102426a
MC		 16507 tp->txq_max = tp->irq_max - 1;
16508 }
16509
b7abee6e 16510 if (tg3_flag(tp, 5755_PLUS) ||
4153577a 16511 tg3_asic_rev(tp) == ASIC_REV_5906)
63c3a66f 16512 tg3_flag_set(tp, SHORT_DMA_BUG);
f6eb9b1f 16513
4153577a 16514 if (tg3_asic_rev(tp) == ASIC_REV_5719)
a4cb428d 16515 tp->dma_limit = TG3_TX_BD_DMA_MAX_4K;
e31aa987 16516
4153577a
JP		 16517 if (tg3_asic_rev(tp) == ASIC_REV_5717 ||
16518 tg3_asic_rev(tp) == ASIC_REV_5719 ||
16519 tg3_asic_rev(tp) == ASIC_REV_5720 ||
16520 tg3_asic_rev(tp) == ASIC_REV_5762)
63c3a66f 16521 tg3_flag_set(tp, LRG_PROD_RING_CAP);
de9f5230 16522
63c3a66f 16523 if (tg3_flag(tp, 57765_PLUS) &&
4153577a 16524 tg3_chip_rev_id(tp) != CHIPREV_ID_5719_A0)
63c3a66f 16525 tg3_flag_set(tp, USE_JUMBO_BDFLAG);
b703df6f 16526
63c3a66f
JP		 16527 if (!tg3_flag(tp, 5705_PLUS) ||
16528 tg3_flag(tp, 5780_CLASS) ||
16529 tg3_flag(tp, USE_JUMBO_BDFLAG))
16530 tg3_flag_set(tp, JUMBO_CAPABLE);
0f893dc6 16531
52f4490c
MC		 16532 pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
16533 &pci_state_reg);
16534
708ebb3a 16535 if (pci_is_pcie(tp->pdev)) {
5e7dfd0f
MC		 16536 u16 lnkctl;
16537
63c3a66f 16538 tg3_flag_set(tp, PCI_EXPRESS);
5f5c51e3 16539
0f49bfbd 16540 pcie_capability_read_word(tp->pdev, PCI_EXP_LNKCTL, &lnkctl);
5e7dfd0f 16541 if (lnkctl & PCI_EXP_LNKCTL_CLKREQ_EN) {
4153577a 16542 if (tg3_asic_rev(tp) == ASIC_REV_5906) {
63c3a66f 16543 tg3_flag_clear(tp, HW_TSO_2);
dabc5c67 16544 tg3_flag_clear(tp, TSO_CAPABLE);
7196cd6c 16545 }
4153577a
JP		 16546 if (tg3_asic_rev(tp) == ASIC_REV_5784 ||
16547 tg3_asic_rev(tp) == ASIC_REV_5761 ||
16548 tg3_chip_rev_id(tp) == CHIPREV_ID_57780_A0 ||
16549 tg3_chip_rev_id(tp) == CHIPREV_ID_57780_A1)
63c3a66f 16550 tg3_flag_set(tp, CLKREQ_BUG);
4153577a 16551 } else if (tg3_chip_rev_id(tp) == CHIPREV_ID_5717_A0) {
63c3a66f 16552 tg3_flag_set(tp, L1PLLPD_EN);
c7835a77 16553 }
4153577a 16554 } else if (tg3_asic_rev(tp) == ASIC_REV_5785) {
708ebb3a
JM		 16555 /* BCM5785 devices are effectively PCIe devices, and should
16556 * follow PCIe codepaths, but do not have a PCIe capabilities
16557 * section.
93a700a9 16558 */
63c3a66f
JP		 16559 tg3_flag_set(tp, PCI_EXPRESS);
16560 } else if (!tg3_flag(tp, 5705_PLUS) ||
16561 tg3_flag(tp, 5780_CLASS)) {
52f4490c
MC		 16562 tp->pcix_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_PCIX);
16563 if (!tp->pcix_cap) {
2445e461
MC		 16564 dev_err(&tp->pdev->dev,
16565 "Cannot find PCI-X capability, aborting\n");
52f4490c
MC		 16566 return -EIO;
16567 }
16568
16569 if (!(pci_state_reg & PCISTATE_CONV_PCI_MODE))
63c3a66f 16570 tg3_flag_set(tp, PCIX_MODE);
52f4490c 16571 }
1da177e4 16572
399de50b
MC		 16573 /* If we have an AMD 762 or VIA K8T800 chipset, write
16574 * reordering to the mailbox registers done by the host
16575 * controller can cause major troubles. We read back from
16576 * every mailbox register write to force the writes to be
16577 * posted to the chip in order.
16578 */
4143470c 16579 if (pci_dev_present(tg3_write_reorder_chipsets) &&
63c3a66f
JP		 16580 !tg3_flag(tp, PCI_EXPRESS))
16581 tg3_flag_set(tp, MBOX_WRITE_REORDER);
399de50b 16582
69fc4053
MC		 16583 pci_read_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE,
16584 &tp->pci_cacheline_sz);
16585 pci_read_config_byte(tp->pdev, PCI_LATENCY_TIMER,
16586 &tp->pci_lat_timer);
4153577a 16587 if (tg3_asic_rev(tp) == ASIC_REV_5703 &&
1da177e4
LT		 16588 tp->pci_lat_timer < 64) {
16589 tp->pci_lat_timer = 64;
69fc4053
MC		 16590 pci_write_config_byte(tp->pdev, PCI_LATENCY_TIMER,
16591 tp->pci_lat_timer);
1da177e4
LT		 16592 }
16593
16821285
MC		 16594 /* Important! -- It is critical that the PCI-X hw workaround
16595 * situation is decided before the first MMIO register access.
16596 */
4153577a 16597 if (tg3_chip_rev(tp) == CHIPREV_5700_BX) {
52f4490c
MC		 16598 /* 5700 BX chips need to have their TX producer index
16599 * mailboxes written twice to workaround a bug.
16600 */
63c3a66f 16601 tg3_flag_set(tp, TXD_MBOX_HWBUG);
1da177e4 16602
52f4490c 16603 /* If we are in PCI-X mode, enable register write workaround.
1da177e4
LT		 16604 *
16605 * The workaround is to use indirect register accesses
16606 * for all chip writes not to mailbox registers.
16607 */
63c3a66f 16608 if (tg3_flag(tp, PCIX_MODE)) {
1da177e4 16609 u32 pm_reg;
1da177e4 16610
63c3a66f 16611 tg3_flag_set(tp, PCIX_TARGET_HWBUG);
1da177e4
LT		 16612
16613 /* The chip can have it's power management PCI config
16614 * space registers clobbered due to this bug.
16615 * So explicitly force the chip into D0 here.
16616 */
9974a356 16617 pci_read_config_dword(tp->pdev,
0319f30e 16618 tp->pdev->pm_cap + PCI_PM_CTRL,
1da177e4
LT		 16619 &pm_reg);
16620 pm_reg &= ~PCI_PM_CTRL_STATE_MASK;
16621 pm_reg |= PCI_PM_CTRL_PME_ENABLE | 0 /* D0 */;
9974a356 16622 pci_write_config_dword(tp->pdev,
0319f30e 16623 tp->pdev->pm_cap + PCI_PM_CTRL,
1da177e4
LT		 16624 pm_reg);
16625
16626 /* Also, force SERR#/PERR# in PCI command. */
16627 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
16628 pci_cmd |= PCI_COMMAND_PARITY | PCI_COMMAND_SERR;
16629 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
16630 }
16631 }
16632
1da177e4 16633 if ((pci_state_reg & PCISTATE_BUS_SPEED_HIGH) != 0)
63c3a66f 16634 tg3_flag_set(tp, PCI_HIGH_SPEED);
1da177e4 16635 if ((pci_state_reg & PCISTATE_BUS_32BIT) != 0)
63c3a66f 16636 tg3_flag_set(tp, PCI_32BIT);
1da177e4
LT		 16637
16638 /* Chip-specific fixup from Broadcom driver */
4153577a 16639 if ((tg3_chip_rev_id(tp) == CHIPREV_ID_5704_A0) &&
1da177e4
LT		 16640 (!(pci_state_reg & PCISTATE_RETRY_SAME_DMA))) {
16641 pci_state_reg |= PCISTATE_RETRY_SAME_DMA;
16642 pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, pci_state_reg);
16643 }
16644
1ee582d8 16645 /* Default fast path register access methods */
20094930 16646 tp->read32 = tg3_read32;
1ee582d8 16647 tp->write32 = tg3_write32;
09ee929c 16648 tp->read32_mbox = tg3_read32;
20094930 16649 tp->write32_mbox = tg3_write32;
1ee582d8
MC		 16650 tp->write32_tx_mbox = tg3_write32;
16651 tp->write32_rx_mbox = tg3_write32;
16652
16653 /* Various workaround register access methods */
63c3a66f 16654 if (tg3_flag(tp, PCIX_TARGET_HWBUG))
1ee582d8 16655 tp->write32 = tg3_write_indirect_reg32;
4153577a 16656 else if (tg3_asic_rev(tp) == ASIC_REV_5701 ||
63c3a66f 16657 (tg3_flag(tp, PCI_EXPRESS) &&
4153577a 16658 tg3_chip_rev_id(tp) == CHIPREV_ID_5750_A0)) {
98efd8a6
MC		 16659 /*
16660 * Back to back register writes can cause problems on these
16661 * chips, the workaround is to read back all reg writes
16662 * except those to mailbox regs.
16663 *
16664 * See tg3_write_indirect_reg32().
16665 */
1ee582d8 16666 tp->write32 = tg3_write_flush_reg32;
98efd8a6
MC		 16667 }
16668
63c3a66f 16669 if (tg3_flag(tp, TXD_MBOX_HWBUG) || tg3_flag(tp, MBOX_WRITE_REORDER)) {
1ee582d8 16670 tp->write32_tx_mbox = tg3_write32_tx_mbox;
63c3a66f 16671 if (tg3_flag(tp, MBOX_WRITE_REORDER))
1ee582d8
MC		 16672 tp->write32_rx_mbox = tg3_write_flush_reg32;
16673 }
20094930 16674
63c3a66f 16675 if (tg3_flag(tp, ICH_WORKAROUND)) {
6892914f
MC		 16676 tp->read32 = tg3_read_indirect_reg32;
16677 tp->write32 = tg3_write_indirect_reg32;
16678 tp->read32_mbox = tg3_read_indirect_mbox;
16679 tp->write32_mbox = tg3_write_indirect_mbox;
16680 tp->write32_tx_mbox = tg3_write_indirect_mbox;
16681 tp->write32_rx_mbox = tg3_write_indirect_mbox;
16682
16683 iounmap(tp->regs);
22abe310 16684 tp->regs = NULL;
6892914f
MC		 16685
16686 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
16687 pci_cmd &= ~PCI_COMMAND_MEMORY;
16688 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
16689 }
4153577a 16690 if (tg3_asic_rev(tp) == ASIC_REV_5906) {
b5d3772c
MC		 16691 tp->read32_mbox = tg3_read32_mbox_5906;
16692 tp->write32_mbox = tg3_write32_mbox_5906;
16693 tp->write32_tx_mbox = tg3_write32_mbox_5906;
16694 tp->write32_rx_mbox = tg3_write32_mbox_5906;
16695 }
6892914f 16696
bbadf503 16697 if (tp->write32 == tg3_write_indirect_reg32 ||
63c3a66f 16698 (tg3_flag(tp, PCIX_MODE) &&
4153577a
JP		 16699 (tg3_asic_rev(tp) == ASIC_REV_5700 ||
16700 tg3_asic_rev(tp) == ASIC_REV_5701)))
63c3a66f 16701 tg3_flag_set(tp, SRAM_USE_CONFIG);
bbadf503 16702
16821285
MC		 16703 /* The memory arbiter has to be enabled in order for SRAM accesses
16704 * to succeed. Normally on powerup the tg3 chip firmware will make
16705 * sure it is enabled, but other entities such as system netboot
16706 * code might disable it.
16707 */
16708 val = tr32(MEMARB_MODE);
16709 tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE);
16710
9dc5e342 16711 tp->pci_fn = PCI_FUNC(tp->pdev->devfn) & 3;
4153577a 16712 if (tg3_asic_rev(tp) == ASIC_REV_5704 ||
9dc5e342
MC		 16713 tg3_flag(tp, 5780_CLASS)) {
16714 if (tg3_flag(tp, PCIX_MODE)) {
16715 pci_read_config_dword(tp->pdev,
16716 tp->pcix_cap + PCI_X_STATUS,
16717 &val);
16718 tp->pci_fn = val & 0x7;
16719 }
4153577a
JP		 16720 } else if (tg3_asic_rev(tp) == ASIC_REV_5717 ||
16721 tg3_asic_rev(tp) == ASIC_REV_5719 ||
16722 tg3_asic_rev(tp) == ASIC_REV_5720) {
9dc5e342 16723 tg3_read_mem(tp, NIC_SRAM_CPMU_STATUS, &val);
857001f0
MC		 16724 if ((val & NIC_SRAM_CPMUSTAT_SIG_MSK) != NIC_SRAM_CPMUSTAT_SIG)
16725 val = tr32(TG3_CPMU_STATUS);
16726
4153577a 16727 if (tg3_asic_rev(tp) == ASIC_REV_5717)
857001f0
MC		 16728 tp->pci_fn = (val & TG3_CPMU_STATUS_FMSK_5717) ? 1 : 0;
16729 else
9dc5e342
MC		 16730 tp->pci_fn = (val & TG3_CPMU_STATUS_FMSK_5719) >>
16731 TG3_CPMU_STATUS_FSHFT_5719;
69f11c99
MC		 16732 }
16733
7e6c63f0
HM		 16734 if (tg3_flag(tp, FLUSH_POSTED_WRITES)) {
16735 tp->write32_tx_mbox = tg3_write_flush_reg32;
16736 tp->write32_rx_mbox = tg3_write_flush_reg32;
16737 }
16738
7d0c41ef 16739 /* Get eeprom hw config before calling tg3_set_power_state().
63c3a66f 16740 * In particular, the TG3_FLAG_IS_NIC flag must be
7d0c41ef
MC		 16741 * determined before calling tg3_set_power_state() so that
16742 * we know whether or not to switch out of Vaux power.
16743 * When the flag is set, it means that GPIO1 is used for eeprom
16744 * write protect and also implies that it is a LOM where GPIOs
16745 * are not used to switch power.
6aa20a22 16746 */
7d0c41ef
MC		 16747 tg3_get_eeprom_hw_cfg(tp);
16748
1caf13eb 16749 if (tg3_flag(tp, FW_TSO) && tg3_flag(tp, ENABLE_ASF)) {
cf9ecf4b
MC		 16750 tg3_flag_clear(tp, TSO_CAPABLE);
16751 tg3_flag_clear(tp, TSO_BUG);
16752 tp->fw_needed = NULL;
16753 }
16754
63c3a66f 16755 if (tg3_flag(tp, ENABLE_APE)) {
0d3031d9
MC		 16756 /* Allow reads and writes to the
16757 * APE register and memory space.
16758 */
16759 pci_state_reg |= PCISTATE_ALLOW_APE_CTLSPC_WR |
f92d9dc1
MC		 16760 PCISTATE_ALLOW_APE_SHMEM_WR |
16761 PCISTATE_ALLOW_APE_PSPACE_WR;
0d3031d9
MC		 16762 pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE,
16763 pci_state_reg);
c9cab24e
MC		 16764
16765 tg3_ape_lock_init(tp);
506b0a39
PS		 16766 tp->ape_hb_interval =
16767 msecs_to_jiffies(APE_HOST_HEARTBEAT_INT_5SEC);
0d3031d9
MC		 16768 }
16769
16821285
MC		 16770 /* Set up tp->grc_local_ctrl before calling
16771 * tg3_pwrsrc_switch_to_vmain(). GPIO1 driven high
16772 * will bring 5700's external PHY out of reset.
314fba34
MC		 16773 * It is also used as eeprom write protect on LOMs.
16774 */
16775 tp->grc_local_ctrl = GRC_LCLCTRL_INT_ON_ATTN | GRC_LCLCTRL_AUTO_SEEPROM;
4153577a 16776 if (tg3_asic_rev(tp) == ASIC_REV_5700 ||
63c3a66f 16777 tg3_flag(tp, EEPROM_WRITE_PROT))
314fba34
MC		 16778 tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
16779 GRC_LCLCTRL_GPIO_OUTPUT1);
3e7d83bc
MC		 16780 /* Unused GPIO3 must be driven as output on 5752 because there
16781 * are no pull-up resistors on unused GPIO pins.
16782 */
4153577a 16783 else if (tg3_asic_rev(tp) == ASIC_REV_5752)
3e7d83bc 16784 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
314fba34 16785
4153577a
JP		 16786 if (tg3_asic_rev(tp) == ASIC_REV_5755 ||
16787 tg3_asic_rev(tp) == ASIC_REV_57780 ||
55086ad9 16788 tg3_flag(tp, 57765_CLASS))
af36e6b6
MC		 16789 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_UART_SEL;
16790
8d519ab2
MC		 16791 if (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5761 ||
16792 tp->pdev->device == TG3PCI_DEVICE_TIGON3_5761S) {
5f0c4a3c
MC		 16793 /* Turn off the debug UART. */
16794 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_UART_SEL;
63c3a66f 16795 if (tg3_flag(tp, IS_NIC))
5f0c4a3c
MC		 16796 /* Keep VMain power. */
16797 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE0 |
16798 GRC_LCLCTRL_GPIO_OUTPUT0;
16799 }
16800
4153577a 16801 if (tg3_asic_rev(tp) == ASIC_REV_5762)
c86a8560
MC		 16802 tp->grc_local_ctrl |=
16803 tr32(GRC_LOCAL_CTRL) & GRC_LCLCTRL_GPIO_UART_SEL;
16804
16821285
MC		 16805 /* Switch out of Vaux if it is a NIC */
16806 tg3_pwrsrc_switch_to_vmain(tp);
1da177e4 16807
1da177e4
LT		 16808 /* Derive initial jumbo mode from MTU assigned in
16809 * ether_setup() via the alloc_etherdev() call
16810 */
63c3a66f
JP		 16811 if (tp->dev->mtu > ETH_DATA_LEN && !tg3_flag(tp, 5780_CLASS))
16812 tg3_flag_set(tp, JUMBO_RING_ENABLE);
1da177e4
LT		 16813
16814 /* Determine WakeOnLan speed to use. */
4153577a
JP		 16815 if (tg3_asic_rev(tp) == ASIC_REV_5700 ||
16816 tg3_chip_rev_id(tp) == CHIPREV_ID_5701_A0 ||
16817 tg3_chip_rev_id(tp) == CHIPREV_ID_5701_B0 ||
16818 tg3_chip_rev_id(tp) == CHIPREV_ID_5701_B2) {
63c3a66f 16819 tg3_flag_clear(tp, WOL_SPEED_100MB);
1da177e4 16820 } else {
63c3a66f 16821 tg3_flag_set(tp, WOL_SPEED_100MB);
1da177e4
LT		 16822 }
16823
4153577a 16824 if (tg3_asic_rev(tp) == ASIC_REV_5906)
f07e9af3 16825 tp->phy_flags |= TG3_PHYFLG_IS_FET;
7f97a4bd 16826
1da177e4 16827 /* A few boards don't want Ethernet@WireSpeed phy feature */
4153577a
JP		 16828 if (tg3_asic_rev(tp) == ASIC_REV_5700 ||
16829 (tg3_asic_rev(tp) == ASIC_REV_5705 &&
16830 (tg3_chip_rev_id(tp) != CHIPREV_ID_5705_A0) &&
16831 (tg3_chip_rev_id(tp) != CHIPREV_ID_5705_A1)) ||
f07e9af3
MC		 16832 (tp->phy_flags & TG3_PHYFLG_IS_FET) ||
16833 (tp->phy_flags & TG3_PHYFLG_ANY_SERDES))
16834 tp->phy_flags |= TG3_PHYFLG_NO_ETH_WIRE_SPEED;
1da177e4 16835
4153577a
JP		 16836 if (tg3_chip_rev(tp) == CHIPREV_5703_AX ||
16837 tg3_chip_rev(tp) == CHIPREV_5704_AX)
f07e9af3 16838 tp->phy_flags |= TG3_PHYFLG_ADC_BUG;
4153577a 16839 if (tg3_chip_rev_id(tp) == CHIPREV_ID_5704_A0)
f07e9af3 16840 tp->phy_flags |= TG3_PHYFLG_5704_A0_BUG;
1da177e4 16841
63c3a66f 16842 if (tg3_flag(tp, 5705_PLUS) &&
f07e9af3 16843 !(tp->phy_flags & TG3_PHYFLG_IS_FET) &&
4153577a
JP		 16844 tg3_asic_rev(tp) != ASIC_REV_5785 &&
16845 tg3_asic_rev(tp) != ASIC_REV_57780 &&
63c3a66f 16846 !tg3_flag(tp, 57765_PLUS)) {
4153577a
JP		 16847 if (tg3_asic_rev(tp) == ASIC_REV_5755 ||
16848 tg3_asic_rev(tp) == ASIC_REV_5787 ||
16849 tg3_asic_rev(tp) == ASIC_REV_5784 ||
16850 tg3_asic_rev(tp) == ASIC_REV_5761) {
d4011ada
MC		 16851 if (tp->pdev->device != PCI_DEVICE_ID_TIGON3_5756 &&
16852 tp->pdev->device != PCI_DEVICE_ID_TIGON3_5722)
f07e9af3 16853 tp->phy_flags |= TG3_PHYFLG_JITTER_BUG;
c1d2a196 16854 if (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5755M)
f07e9af3 16855 tp->phy_flags |= TG3_PHYFLG_ADJUST_TRIM;
321d32a0 16856 } else
f07e9af3 16857 tp->phy_flags |= TG3_PHYFLG_BER_BUG;
c424cb24 16858 }
1da177e4 16859
4153577a
JP		 16860 if (tg3_asic_rev(tp) == ASIC_REV_5784 &&
16861 tg3_chip_rev(tp) != CHIPREV_5784_AX) {
b2a5c19c
MC		 16862 tp->phy_otp = tg3_read_otp_phycfg(tp);
16863 if (tp->phy_otp == 0)
16864 tp->phy_otp = TG3_OTP_DEFAULT;
16865 }
16866
63c3a66f 16867 if (tg3_flag(tp, CPMU_PRESENT))
8ef21428
MC		 16868 tp->mi_mode = MAC_MI_MODE_500KHZ_CONST;
16869 else
16870 tp->mi_mode = MAC_MI_MODE_BASE;
16871
1da177e4 16872 tp->coalesce_mode = 0;
4153577a
JP		 16873 if (tg3_chip_rev(tp) != CHIPREV_5700_AX &&
16874 tg3_chip_rev(tp) != CHIPREV_5700_BX)
1da177e4
LT		 16875 tp->coalesce_mode |= HOSTCC_MODE_32BYTE;
16876
4d958473 16877 /* Set these bits to enable statistics workaround. */
4153577a 16878 if (tg3_asic_rev(tp) == ASIC_REV_5717 ||
94962f7f 16879 tg3_asic_rev(tp) == ASIC_REV_5762 ||
4153577a
JP		 16880 tg3_chip_rev_id(tp) == CHIPREV_ID_5719_A0 ||
16881 tg3_chip_rev_id(tp) == CHIPREV_ID_5720_A0) {
4d958473
MC		 16882 tp->coalesce_mode |= HOSTCC_MODE_ATTN;
16883 tp->grc_mode |= GRC_MODE_IRQ_ON_FLOW_ATTN;
16884 }
16885
4153577a
JP		 16886 if (tg3_asic_rev(tp) == ASIC_REV_5785 ||
16887 tg3_asic_rev(tp) == ASIC_REV_57780)
63c3a66f 16888 tg3_flag_set(tp, USE_PHYLIB);
57e6983c 16889
158d7abd
MC		 16890 err = tg3_mdio_init(tp);
16891 if (err)
16892 return err;
1da177e4
LT		 16893
16894 /* Initialize data/descriptor byte/word swapping. */
16895 val = tr32(GRC_MODE);
4153577a
JP		 16896 if (tg3_asic_rev(tp) == ASIC_REV_5720 ||
16897 tg3_asic_rev(tp) == ASIC_REV_5762)
f2096f94
MC		 16898 val &= (GRC_MODE_BYTE_SWAP_B2HRX_DATA |
16899 GRC_MODE_WORD_SWAP_B2HRX_DATA |
16900 GRC_MODE_B2HRX_ENABLE |
16901 GRC_MODE_HTX2B_ENABLE |
16902 GRC_MODE_HOST_STACKUP);
16903 else
16904 val &= GRC_MODE_HOST_STACKUP;
16905
1da177e4
LT		 16906 tw32(GRC_MODE, val | tp->grc_mode);
16907
16908 tg3_switch_clocks(tp);
16909
16910 /* Clear this out for sanity. */
16911 tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
16912
388d3335
NG		 16913 /* Clear TG3PCI_REG_BASE_ADDR to prevent hangs. */
16914 tw32(TG3PCI_REG_BASE_ADDR, 0);
16915
1da177e4
LT		 16916 pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
16917 &pci_state_reg);
16918 if ((pci_state_reg & PCISTATE_CONV_PCI_MODE) == 0 &&
63c3a66f 16919 !tg3_flag(tp, PCIX_TARGET_HWBUG)) {
4153577a
JP		 16920 if (tg3_chip_rev_id(tp) == CHIPREV_ID_5701_A0 ||
16921 tg3_chip_rev_id(tp) == CHIPREV_ID_5701_B0 ||
16922 tg3_chip_rev_id(tp) == CHIPREV_ID_5701_B2 ||
16923 tg3_chip_rev_id(tp) == CHIPREV_ID_5701_B5) {
1da177e4
LT		 16924 void __iomem *sram_base;
16925
16926 /* Write some dummy words into the SRAM status block
16927 * area, see if it reads back correctly. If the return
16928 * value is bad, force enable the PCIX workaround.
16929 */
16930 sram_base = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_STATS_BLK;
16931
16932 writel(0x00000000, sram_base);
16933 writel(0x00000000, sram_base + 4);
16934 writel(0xffffffff, sram_base + 4);
16935 if (readl(sram_base) != 0x00000000)
63c3a66f 16936 tg3_flag_set(tp, PCIX_TARGET_HWBUG);
1da177e4
LT		 16937 }
16938 }
16939
16940 udelay(50);
16941 tg3_nvram_init(tp);
16942
c4dab506
NS		 16943 /* If the device has an NVRAM, no need to load patch firmware */
16944 if (tg3_asic_rev(tp) == ASIC_REV_57766 &&
16945 !tg3_flag(tp, NO_NVRAM))
16946 tp->fw_needed = NULL;
16947
1da177e4
LT		 16948 grc_misc_cfg = tr32(GRC_MISC_CFG);
16949 grc_misc_cfg &= GRC_MISC_CFG_BOARD_ID_MASK;
16950
4153577a 16951 if (tg3_asic_rev(tp) == ASIC_REV_5705 &&
1da177e4
LT		 16952 (grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788 ||
16953 grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788M))
63c3a66f 16954 tg3_flag_set(tp, IS_5788);
1da177e4 16955
63c3a66f 16956 if (!tg3_flag(tp, IS_5788) &&
4153577a 16957 tg3_asic_rev(tp) != ASIC_REV_5700)
63c3a66f
JP		 16958 tg3_flag_set(tp, TAGGED_STATUS);
16959 if (tg3_flag(tp, TAGGED_STATUS)) {
fac9b83e
DM		 16960 tp->coalesce_mode |= (HOSTCC_MODE_CLRTICK_RXBD |
16961 HOSTCC_MODE_CLRTICK_TXBD);
16962
16963 tp->misc_host_ctrl |= MISC_HOST_CTRL_TAGGED_STATUS;
16964 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
16965 tp->misc_host_ctrl);
16966 }
16967
3bda1258 16968 /* Preserve the APE MAC_MODE bits */
63c3a66f 16969 if (tg3_flag(tp, ENABLE_APE))
d2394e6b 16970 tp->mac_mode = MAC_MODE_APE_TX_EN | MAC_MODE_APE_RX_EN;
3bda1258 16971 else
6e01b20b 16972 tp->mac_mode = 0;
3bda1258 16973
3d567e0e 16974 if (tg3_10_100_only_device(tp, ent))
f07e9af3 16975 tp->phy_flags |= TG3_PHYFLG_10_100_ONLY;
1da177e4
LT		 16976
16977 err = tg3_phy_probe(tp);
16978 if (err) {
2445e461 16979 dev_err(&tp->pdev->dev, "phy probe failed, err %d\n", err);
1da177e4 16980 /* ... but do not return immediately ... */
b02fd9e3 16981 tg3_mdio_fini(tp);
1da177e4
LT		 16982 }
16983
184b8904 16984 tg3_read_vpd(tp);
c4e6575c 16985 tg3_read_fw_ver(tp);
1da177e4 16986
f07e9af3
MC		 16987 if (tp->phy_flags & TG3_PHYFLG_PHY_SERDES) {
16988 tp->phy_flags &= ~TG3_PHYFLG_USE_MI_INTERRUPT;
1da177e4 16989 } else {
4153577a 16990 if (tg3_asic_rev(tp) == ASIC_REV_5700)
f07e9af3 16991 tp->phy_flags |= TG3_PHYFLG_USE_MI_INTERRUPT;
1da177e4 16992 else
f07e9af3 16993 tp->phy_flags &= ~TG3_PHYFLG_USE_MI_INTERRUPT;
1da177e4
LT		 16994 }
16995
16996 /* 5700 {AX,BX} chips have a broken status block link
16997 * change bit implementation, so we must use the
16998 * status register in those cases.
16999 */
4153577a 17000 if (tg3_asic_rev(tp) == ASIC_REV_5700)
63c3a66f 17001 tg3_flag_set(tp, USE_LINKCHG_REG);
1da177e4 17002 else
63c3a66f 17003 tg3_flag_clear(tp, USE_LINKCHG_REG);
1da177e4
LT		 17004
17005 /* The led_ctrl is set during tg3_phy_probe, here we might
17006 * have to force the link status polling mechanism based
17007 * upon subsystem IDs.
17008 */
17009 if (tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL &&
4153577a 17010 tg3_asic_rev(tp) == ASIC_REV_5701 &&
f07e9af3
MC		 17011 !(tp->phy_flags & TG3_PHYFLG_PHY_SERDES)) {
17012 tp->phy_flags |= TG3_PHYFLG_USE_MI_INTERRUPT;
63c3a66f 17013 tg3_flag_set(tp, USE_LINKCHG_REG);
1da177e4
LT		 17014 }
17015
17016 /* For all SERDES we poll the MAC status register. */
f07e9af3 17017 if (tp->phy_flags & TG3_PHYFLG_PHY_SERDES)
63c3a66f 17018 tg3_flag_set(tp, POLL_SERDES);
1da177e4 17019 else
63c3a66f 17020 tg3_flag_clear(tp, POLL_SERDES);
1da177e4 17021
1743b83c
NS		 17022 if (tg3_flag(tp, ENABLE_APE) && tg3_flag(tp, ENABLE_ASF))
17023 tg3_flag_set(tp, POLL_CPMU_LINK);
17024
9205fd9c 17025 tp->rx_offset = NET_SKB_PAD + NET_IP_ALIGN;
d2757fc4 17026 tp->rx_copy_thresh = TG3_RX_COPY_THRESHOLD;
4153577a 17027 if (tg3_asic_rev(tp) == ASIC_REV_5701 &&
63c3a66f 17028 tg3_flag(tp, PCIX_MODE)) {
9205fd9c 17029 tp->rx_offset = NET_SKB_PAD;
d2757fc4 17030#ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
9dc7a113 17031 tp->rx_copy_thresh = ~(u16)0;
d2757fc4
MC		 17032#endif
17033 }
1da177e4 17034
2c49a44d
MC		 17035 tp->rx_std_ring_mask = TG3_RX_STD_RING_SIZE(tp) - 1;
17036 tp->rx_jmb_ring_mask = TG3_RX_JMB_RING_SIZE(tp) - 1;
7cb32cf2
MC		 17037 tp->rx_ret_ring_mask = tg3_rx_ret_ring_size(tp) - 1;
17038
2c49a44d 17039 tp->rx_std_max_post = tp->rx_std_ring_mask + 1;
f92905de
MC		 17040
17041 /* Increment the rx prod index on the rx std ring by at most
17042 * 8 for these chips to workaround hw errata.
17043 */
4153577a
JP		 17044 if (tg3_asic_rev(tp) == ASIC_REV_5750 ||
17045 tg3_asic_rev(tp) == ASIC_REV_5752 ||
17046 tg3_asic_rev(tp) == ASIC_REV_5755)
f92905de
MC		 17047 tp->rx_std_max_post = 8;
17048
63c3a66f 17049 if (tg3_flag(tp, ASPM_WORKAROUND))
8ed5d97e
MC		 17050 tp->pwrmgmt_thresh = tr32(PCIE_PWR_MGMT_THRESH) &
17051 PCIE_PWR_MGMT_L1_THRESH_MSK;
17052
1da177e4
LT		 17053 return err;
17054}
17055
a04436b2 17056static int tg3_get_device_address(struct tg3 *tp, u8 *addr)
1da177e4 17057{
1da177e4 17058 u32 hi, lo, mac_offset;
008652b3 17059 int addr_ok = 0;
7e6c63f0 17060 int err;
1da177e4 17061
a04436b2 17062 if (!eth_platform_get_mac_address(&tp->pdev->dev, addr))
1da177e4 17063 return 0;
1da177e4 17064
7e6c63f0 17065 if (tg3_flag(tp, IS_SSB_CORE)) {
a04436b2
JK		 17066 err = ssb_gige_get_macaddr(tp->pdev, addr);
17067 if (!err && is_valid_ether_addr(addr))
7e6c63f0
HM		 17068 return 0;
17069 }
17070
1da177e4 17071 mac_offset = 0x7c;
4153577a 17072 if (tg3_asic_rev(tp) == ASIC_REV_5704 ||
63c3a66f 17073 tg3_flag(tp, 5780_CLASS)) {
1da177e4
LT		 17074 if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
17075 mac_offset = 0xcc;
17076 if (tg3_nvram_lock(tp))
17077 tw32_f(NVRAM_CMD, NVRAM_CMD_RESET);
17078 else
17079 tg3_nvram_unlock(tp);
63c3a66f 17080 } else if (tg3_flag(tp, 5717_PLUS)) {
69f11c99 17081 if (tp->pci_fn & 1)
a1b950d5 17082 mac_offset = 0xcc;
69f11c99 17083 if (tp->pci_fn > 1)
a50d0796 17084 mac_offset += 0x18c;
4153577a 17085 } else if (tg3_asic_rev(tp) == ASIC_REV_5906)
b5d3772c 17086 mac_offset = 0x10;
1da177e4
LT		 17087
17088 /* First try to get it from MAC address mailbox. */
17089 tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_HIGH_MBOX, &hi);
17090 if ((hi >> 16) == 0x484b) {
a04436b2
JK		 17091 addr[0] = (hi >> 8) & 0xff;
17092 addr[1] = (hi >> 0) & 0xff;
1da177e4
LT		 17093
17094 tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_LOW_MBOX, &lo);
a04436b2
JK		 17095 addr[2] = (lo >> 24) & 0xff;
17096 addr[3] = (lo >> 16) & 0xff;
17097 addr[4] = (lo >> 8) & 0xff;
17098 addr[5] = (lo >> 0) & 0xff;
1da177e4 17099
008652b3 17100 /* Some old bootcode may report a 0 MAC address in SRAM */
a04436b2 17101 addr_ok = is_valid_ether_addr(addr);
008652b3
MC		 17102 }
17103 if (!addr_ok) {
76d37e4f
SH		 17104 __be32 be_hi, be_lo;
17105
008652b3 17106 /* Next, try NVRAM. */
63c3a66f 17107 if (!tg3_flag(tp, NO_NVRAM) &&
76d37e4f
SH		 17108 !tg3_nvram_read_be32(tp, mac_offset + 0, &be_hi) &&
17109 !tg3_nvram_read_be32(tp, mac_offset + 4, &be_lo)) {
17110 memcpy(&addr[0], ((char *)&be_hi) + 2, 2);
17111 memcpy(&addr[2], (char *)&be_lo, sizeof(be_lo));
008652b3
MC		 17112 }
17113 /* Finally just fetch it out of the MAC control regs. */
17114 else {
17115 hi = tr32(MAC_ADDR_0_HIGH);
17116 lo = tr32(MAC_ADDR_0_LOW);
17117
a04436b2
JK		 17118 addr[5] = lo & 0xff;
17119 addr[4] = (lo >> 8) & 0xff;
17120 addr[3] = (lo >> 16) & 0xff;
17121 addr[2] = (lo >> 24) & 0xff;
17122 addr[1] = hi & 0xff;
17123 addr[0] = (hi >> 8) & 0xff;
008652b3 17124 }
1da177e4
LT		 17125 }
17126
a04436b2 17127 if (!is_valid_ether_addr(addr))
1da177e4 17128 return -EINVAL;
1da177e4
LT		 17129 return 0;
17130}
17131
59e6b434
DM		 17132#define BOUNDARY_SINGLE_CACHELINE 1
17133#define BOUNDARY_MULTI_CACHELINE 2
17134
229b1ad1 17135static u32 tg3_calc_dma_bndry(struct tg3 *tp, u32 val)
59e6b434
DM		 17136{
17137 int cacheline_size;
17138 u8 byte;
17139 int goal;
17140
17141 pci_read_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE, &byte);
17142 if (byte == 0)
17143 cacheline_size = 1024;
17144 else
17145 cacheline_size = (int) byte * 4;
17146
17147 /* On 5703 and later chips, the boundary bits have no
17148 * effect.
17149 */
4153577a
JP		 17150 if (tg3_asic_rev(tp) != ASIC_REV_5700 &&
17151 tg3_asic_rev(tp) != ASIC_REV_5701 &&
63c3a66f 17152 !tg3_flag(tp, PCI_EXPRESS))
59e6b434
DM		 17153 goto out;
17154
cf8e8658 17155#if defined(CONFIG_PPC64) || defined(CONFIG_PARISC)
59e6b434
DM		 17156 goal = BOUNDARY_MULTI_CACHELINE;
17157#else
17158#if defined(CONFIG_SPARC64) || defined(CONFIG_ALPHA)
17159 goal = BOUNDARY_SINGLE_CACHELINE;
17160#else
17161 goal = 0;
17162#endif
17163#endif
17164
63c3a66f 17165 if (tg3_flag(tp, 57765_PLUS)) {
cbf9ca6c
MC		 17166 val = goal ? 0 : DMA_RWCTRL_DIS_CACHE_ALIGNMENT;
17167 goto out;
17168 }
17169
59e6b434
DM		 17170 if (!goal)
17171 goto out;
17172
17173 /* PCI controllers on most RISC systems tend to disconnect
17174 * when a device tries to burst across a cache-line boundary.
17175 * Therefore, letting tg3 do so just wastes PCI bandwidth.
17176 *
17177 * Unfortunately, for PCI-E there are only limited
17178 * write-side controls for this, and thus for reads
17179 * we will still get the disconnects. We'll also waste
17180 * these PCI cycles for both read and write for chips
17181 * other than 5700 and 5701 which do not implement the
17182 * boundary bits.
17183 */
63c3a66f 17184 if (tg3_flag(tp, PCIX_MODE) && !tg3_flag(tp, PCI_EXPRESS)) {
59e6b434
DM		 17185 switch (cacheline_size) {
17186 case 16:
17187 case 32:
17188 case 64:
17189 case 128:
17190 if (goal == BOUNDARY_SINGLE_CACHELINE) {
17191 val |= (DMA_RWCTRL_READ_BNDRY_128_PCIX |
17192 DMA_RWCTRL_WRITE_BNDRY_128_PCIX);
17193 } else {
17194 val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX |
17195 DMA_RWCTRL_WRITE_BNDRY_384_PCIX);
17196 }
17197 break;
17198
17199 case 256:
17200 val |= (DMA_RWCTRL_READ_BNDRY_256_PCIX |
17201 DMA_RWCTRL_WRITE_BNDRY_256_PCIX);
17202 break;
17203
17204 default:
17205 val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX |
17206 DMA_RWCTRL_WRITE_BNDRY_384_PCIX);
17207 break;
855e1111 17208 }
63c3a66f 17209 } else if (tg3_flag(tp, PCI_EXPRESS)) {
59e6b434
DM		 17210 switch (cacheline_size) {
17211 case 16:
17212 case 32:
17213 case 64:
17214 if (goal == BOUNDARY_SINGLE_CACHELINE) {
17215 val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE;
17216 val |= DMA_RWCTRL_WRITE_BNDRY_64_PCIE;
17217 break;
17218 }
df561f66 17219 fallthrough;
59e6b434
DM		 17220 case 128:
17221 default:
17222 val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE;
17223 val |= DMA_RWCTRL_WRITE_BNDRY_128_PCIE;
17224 break;
855e1111 17225 }
59e6b434
DM		 17226 } else {
17227 switch (cacheline_size) {
17228 case 16:
17229 if (goal == BOUNDARY_SINGLE_CACHELINE) {
17230 val |= (DMA_RWCTRL_READ_BNDRY_16 |
17231 DMA_RWCTRL_WRITE_BNDRY_16);
17232 break;
17233 }
df561f66 17234 fallthrough;
59e6b434
DM		 17235 case 32:
17236 if (goal == BOUNDARY_SINGLE_CACHELINE) {
17237 val |= (DMA_RWCTRL_READ_BNDRY_32 |
17238 DMA_RWCTRL_WRITE_BNDRY_32);
17239 break;
17240 }
df561f66 17241 fallthrough;
59e6b434
DM		 17242 case 64:
17243 if (goal == BOUNDARY_SINGLE_CACHELINE) {
17244 val |= (DMA_RWCTRL_READ_BNDRY_64 |
17245 DMA_RWCTRL_WRITE_BNDRY_64);
17246 break;
17247 }
df561f66 17248 fallthrough;
59e6b434
DM		 17249 case 128:
17250 if (goal == BOUNDARY_SINGLE_CACHELINE) {
17251 val |= (DMA_RWCTRL_READ_BNDRY_128 |
17252 DMA_RWCTRL_WRITE_BNDRY_128);
17253 break;
17254 }
df561f66 17255 fallthrough;
59e6b434
DM		 17256 case 256:
17257 val |= (DMA_RWCTRL_READ_BNDRY_256 |
17258 DMA_RWCTRL_WRITE_BNDRY_256);
17259 break;
17260 case 512:
17261 val |= (DMA_RWCTRL_READ_BNDRY_512 |
17262 DMA_RWCTRL_WRITE_BNDRY_512);
17263 break;
17264 case 1024:
17265 default:
17266 val |= (DMA_RWCTRL_READ_BNDRY_1024 |
17267 DMA_RWCTRL_WRITE_BNDRY_1024);
17268 break;
855e1111 17269 }
59e6b434
DM		 17270 }
17271
17272out:
17273 return val;
17274}
17275
229b1ad1 17276static int tg3_do_test_dma(struct tg3 *tp, u32 *buf, dma_addr_t buf_dma,
953c96e0 17277 int size, bool to_device)
1da177e4
LT		 17278{
17279 struct tg3_internal_buffer_desc test_desc;
17280 u32 sram_dma_descs;
17281 int i, ret;
17282
17283 sram_dma_descs = NIC_SRAM_DMA_DESC_POOL_BASE;
17284
17285 tw32(FTQ_RCVBD_COMP_FIFO_ENQDEQ, 0);
17286 tw32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ, 0);
17287 tw32(RDMAC_STATUS, 0);
17288 tw32(WDMAC_STATUS, 0);
17289
17290 tw32(BUFMGR_MODE, 0);
17291 tw32(FTQ_RESET, 0);
17292
17293 test_desc.addr_hi = ((u64) buf_dma) >> 32;
17294 test_desc.addr_lo = buf_dma & 0xffffffff;
17295 test_desc.nic_mbuf = 0x00002100;
17296 test_desc.len = size;
17297
17298 /*
17299 * HP ZX1 was seeing test failures for 5701 cards running at 33Mhz
17300 * the *second* time the tg3 driver was getting loaded after an
17301 * initial scan.
17302 *
17303 * Broadcom tells me:
17304 * ...the DMA engine is connected to the GRC block and a DMA
17305 * reset may affect the GRC block in some unpredictable way...
17306 * The behavior of resets to individual blocks has not been tested.
17307 *
17308 * Broadcom noted the GRC reset will also reset all sub-components.
17309 */
17310 if (to_device) {
17311 test_desc.cqid_sqid = (13 << 8) | 2;
17312
17313 tw32_f(RDMAC_MODE, RDMAC_MODE_ENABLE);
17314 udelay(40);
17315 } else {
17316 test_desc.cqid_sqid = (16 << 8) | 7;
17317
17318 tw32_f(WDMAC_MODE, WDMAC_MODE_ENABLE);
17319 udelay(40);
17320 }
17321 test_desc.flags = 0x00000005;
17322
17323 for (i = 0; i < (sizeof(test_desc) / sizeof(u32)); i++) {
17324 u32 val;
17325
17326 val = *(((u32 *)&test_desc) + i);
17327 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR,
17328 sram_dma_descs + (i * sizeof(u32)));
17329 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
17330 }
17331 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
17332
859a5887 17333 if (to_device)
1da177e4 17334 tw32(FTQ_DMA_HIGH_READ_FIFO_ENQDEQ, sram_dma_descs);
859a5887 17335 else
1da177e4 17336 tw32(FTQ_DMA_HIGH_WRITE_FIFO_ENQDEQ, sram_dma_descs);
1da177e4
LT		 17337
17338 ret = -ENODEV;
17339 for (i = 0; i < 40; i++) {
17340 u32 val;
17341
17342 if (to_device)
17343 val = tr32(FTQ_RCVBD_COMP_FIFO_ENQDEQ);
17344 else
17345 val = tr32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ);
17346 if ((val & 0xffff) == sram_dma_descs) {
17347 ret = 0;
17348 break;
17349 }
17350
17351 udelay(100);
17352 }
17353
17354 return ret;
17355}
17356
ded7340d 17357#define TEST_BUFFER_SIZE 0x2000
1da177e4 17358
9baa3c34 17359static const struct pci_device_id tg3_dma_wait_state_chipsets[] = {
895950c2
JP		 17360 { PCI_DEVICE(PCI_VENDOR_ID_APPLE, PCI_DEVICE_ID_APPLE_UNI_N_PCI15) },
17361 { },
17362};
17363
229b1ad1 17364static int tg3_test_dma(struct tg3 *tp)
1da177e4
LT		 17365{
17366 dma_addr_t buf_dma;
59e6b434 17367 u32 *buf, saved_dma_rwctrl;
cbf9ca6c 17368 int ret = 0;
1da177e4 17369
4bae65c8
MC		 17370 buf = dma_alloc_coherent(&tp->pdev->dev, TEST_BUFFER_SIZE,
17371 &buf_dma, GFP_KERNEL);
1da177e4
LT		 17372 if (!buf) {
17373 ret = -ENOMEM;
17374 goto out_nofree;
17375 }
17376
17377 tp->dma_rwctrl = ((0x7 << DMA_RWCTRL_PCI_WRITE_CMD_SHIFT) |
17378 (0x6 << DMA_RWCTRL_PCI_READ_CMD_SHIFT));
17379
59e6b434 17380 tp->dma_rwctrl = tg3_calc_dma_bndry(tp, tp->dma_rwctrl);
1da177e4 17381
63c3a66f 17382 if (tg3_flag(tp, 57765_PLUS))
cbf9ca6c
MC		 17383 goto out;
17384
63c3a66f 17385 if (tg3_flag(tp, PCI_EXPRESS)) {
1da177e4
LT		 17386 /* DMA read watermark not used on PCIE */
17387 tp->dma_rwctrl |= 0x00180000;
63c3a66f 17388 } else if (!tg3_flag(tp, PCIX_MODE)) {
4153577a
JP		 17389 if (tg3_asic_rev(tp) == ASIC_REV_5705 ||
17390 tg3_asic_rev(tp) == ASIC_REV_5750)
1da177e4
LT		 17391 tp->dma_rwctrl |= 0x003f0000;
17392 else
17393 tp->dma_rwctrl |= 0x003f000f;
17394 } else {
4153577a
JP		 17395 if (tg3_asic_rev(tp) == ASIC_REV_5703 ||
17396 tg3_asic_rev(tp) == ASIC_REV_5704) {
1da177e4 17397 u32 ccval = (tr32(TG3PCI_CLOCK_CTRL) & 0x1f);
49afdeb6 17398 u32 read_water = 0x7;
1da177e4 17399
4a29cc2e
MC		 17400 /* If the 5704 is behind the EPB bridge, we can
17401 * do the less restrictive ONE_DMA workaround for
17402 * better performance.
17403 */
63c3a66f 17404 if (tg3_flag(tp, 40BIT_DMA_BUG) &&
4153577a 17405 tg3_asic_rev(tp) == ASIC_REV_5704)
4a29cc2e
MC		 17406 tp->dma_rwctrl |= 0x8000;
17407 else if (ccval == 0x6 || ccval == 0x7)
1da177e4
LT		 17408 tp->dma_rwctrl |= DMA_RWCTRL_ONE_DMA;
17409
4153577a 17410 if (tg3_asic_rev(tp) == ASIC_REV_5703)
49afdeb6 17411 read_water = 4;
59e6b434 17412 /* Set bit 23 to enable PCIX hw bug fix */
49afdeb6
MC		 17413 tp->dma_rwctrl |=
17414 (read_water << DMA_RWCTRL_READ_WATER_SHIFT) |
17415 (0x3 << DMA_RWCTRL_WRITE_WATER_SHIFT) |
17416 (1 << 23);
4153577a 17417 } else if (tg3_asic_rev(tp) == ASIC_REV_5780) {
4cf78e4f
MC		 17418 /* 5780 always in PCIX mode */
17419 tp->dma_rwctrl |= 0x00144000;
4153577a 17420 } else if (tg3_asic_rev(tp) == ASIC_REV_5714) {
a4e2b347
MC		 17421 /* 5714 always in PCIX mode */
17422 tp->dma_rwctrl |= 0x00148000;
1da177e4
LT		 17423 } else {
17424 tp->dma_rwctrl |= 0x001b000f;
17425 }
17426 }
7e6c63f0
HM		 17427 if (tg3_flag(tp, ONE_DMA_AT_ONCE))
17428 tp->dma_rwctrl |= DMA_RWCTRL_ONE_DMA;
1da177e4 17429
4153577a
JP		 17430 if (tg3_asic_rev(tp) == ASIC_REV_5703 ||
17431 tg3_asic_rev(tp) == ASIC_REV_5704)
1da177e4
LT		 17432 tp->dma_rwctrl &= 0xfffffff0;
17433
4153577a
JP		 17434 if (tg3_asic_rev(tp) == ASIC_REV_5700 ||
17435 tg3_asic_rev(tp) == ASIC_REV_5701) {
1da177e4
LT		 17436 /* Remove this if it causes problems for some boards. */
17437 tp->dma_rwctrl |= DMA_RWCTRL_USE_MEM_READ_MULT;
17438
17439 /* On 5700/5701 chips, we need to set this bit.
17440 * Otherwise the chip will issue cacheline transactions
17441 * to streamable DMA memory with not all the byte
17442 * enables turned on. This is an error on several
17443 * RISC PCI controllers, in particular sparc64.
17444 *
17445 * On 5703/5704 chips, this bit has been reassigned
17446 * a different meaning. In particular, it is used
17447 * on those chips to enable a PCI-X workaround.
17448 */
17449 tp->dma_rwctrl |= DMA_RWCTRL_ASSERT_ALL_BE;
17450 }
17451
17452 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
17453
1da177e4 17454
4153577a
JP		 17455 if (tg3_asic_rev(tp) != ASIC_REV_5700 &&
17456 tg3_asic_rev(tp) != ASIC_REV_5701)
1da177e4
LT		 17457 goto out;
17458
59e6b434
DM		 17459 /* It is best to perform DMA test with maximum write burst size
17460 * to expose the 5700/5701 write DMA bug.
17461 */
17462 saved_dma_rwctrl = tp->dma_rwctrl;
17463 tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
17464 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
17465
1da177e4
LT		 17466 while (1) {
17467 u32 *p = buf, i;
17468
17469 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++)
17470 p[i] = i;
17471
17472 /* Send the buffer to the chip. */
953c96e0 17473 ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, true);
1da177e4 17474 if (ret) {
2445e461
MC		 17475 dev_err(&tp->pdev->dev,
17476 "%s: Buffer write failed. err = %d\n",
17477 __func__, ret);
1da177e4
LT		 17478 break;
17479 }
17480
1da177e4 17481 /* Now read it back. */
953c96e0 17482 ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, false);
1da177e4 17483 if (ret) {
5129c3a3
MC		 17484 dev_err(&tp->pdev->dev, "%s: Buffer read failed. "
17485 "err = %d\n", __func__, ret);
1da177e4
LT		 17486 break;
17487 }
17488
17489 /* Verify it. */
17490 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) {
17491 if (p[i] == i)
17492 continue;
17493
59e6b434
DM		 17494 if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
17495 DMA_RWCTRL_WRITE_BNDRY_16) {
17496 tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
1da177e4
LT		 17497 tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16;
17498 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
17499 break;
17500 } else {
2445e461
MC		 17501 dev_err(&tp->pdev->dev,
17502 "%s: Buffer corrupted on read back! "
17503 "(%d != %d)\n", __func__, p[i], i);
1da177e4
LT		 17504 ret = -ENODEV;
17505 goto out;
17506 }
17507 }
17508
17509 if (i == (TEST_BUFFER_SIZE / sizeof(u32))) {
17510 /* Success. */
17511 ret = 0;
17512 break;
17513 }
17514 }
59e6b434
DM		 17515 if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
17516 DMA_RWCTRL_WRITE_BNDRY_16) {
17517 /* DMA test passed without adjusting DMA boundary,
6d1cfbab
MC		 17518 * now look for chipsets that are known to expose the
17519 * DMA bug without failing the test.
59e6b434 17520 */
4143470c 17521 if (pci_dev_present(tg3_dma_wait_state_chipsets)) {
6d1cfbab
MC		 17522 tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
17523 tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16;
859a5887 17524 } else {
6d1cfbab
MC		 17525 /* Safe to use the calculated DMA boundary. */
17526 tp->dma_rwctrl = saved_dma_rwctrl;
859a5887 17527 }
6d1cfbab 17528
59e6b434
DM		 17529 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
17530 }
1da177e4
LT		 17531
17532out:
4bae65c8 17533 dma_free_coherent(&tp->pdev->dev, TEST_BUFFER_SIZE, buf, buf_dma);
1da177e4
LT		 17534out_nofree:
17535 return ret;
17536}
17537
229b1ad1 17538static void tg3_init_bufmgr_config(struct tg3 *tp)
1da177e4 17539{
63c3a66f 17540 if (tg3_flag(tp, 57765_PLUS)) {
666bc831
MC		 17541 tp->bufmgr_config.mbuf_read_dma_low_water =
17542 DEFAULT_MB_RDMA_LOW_WATER_5705;
17543 tp->bufmgr_config.mbuf_mac_rx_low_water =
17544 DEFAULT_MB_MACRX_LOW_WATER_57765;
17545 tp->bufmgr_config.mbuf_high_water =
17546 DEFAULT_MB_HIGH_WATER_57765;
17547
17548 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
17549 DEFAULT_MB_RDMA_LOW_WATER_5705;
17550 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
17551 DEFAULT_MB_MACRX_LOW_WATER_JUMBO_57765;
17552 tp->bufmgr_config.mbuf_high_water_jumbo =
17553 DEFAULT_MB_HIGH_WATER_JUMBO_57765;
63c3a66f 17554 } else if (tg3_flag(tp, 5705_PLUS)) {
fdfec172
MC		 17555 tp->bufmgr_config.mbuf_read_dma_low_water =
17556 DEFAULT_MB_RDMA_LOW_WATER_5705;
17557 tp->bufmgr_config.mbuf_mac_rx_low_water =
17558 DEFAULT_MB_MACRX_LOW_WATER_5705;
17559 tp->bufmgr_config.mbuf_high_water =
17560 DEFAULT_MB_HIGH_WATER_5705;
4153577a 17561 if (tg3_asic_rev(tp) == ASIC_REV_5906) {
b5d3772c
MC		 17562 tp->bufmgr_config.mbuf_mac_rx_low_water =
17563 DEFAULT_MB_MACRX_LOW_WATER_5906;
17564 tp->bufmgr_config.mbuf_high_water =
17565 DEFAULT_MB_HIGH_WATER_5906;
17566 }
fdfec172
MC		 17567
17568 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
17569 DEFAULT_MB_RDMA_LOW_WATER_JUMBO_5780;
17570 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
17571 DEFAULT_MB_MACRX_LOW_WATER_JUMBO_5780;
17572 tp->bufmgr_config.mbuf_high_water_jumbo =
17573 DEFAULT_MB_HIGH_WATER_JUMBO_5780;
17574 } else {
17575 tp->bufmgr_config.mbuf_read_dma_low_water =
17576 DEFAULT_MB_RDMA_LOW_WATER;
17577 tp->bufmgr_config.mbuf_mac_rx_low_water =
17578 DEFAULT_MB_MACRX_LOW_WATER;
17579 tp->bufmgr_config.mbuf_high_water =
17580 DEFAULT_MB_HIGH_WATER;
17581
17582 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
17583 DEFAULT_MB_RDMA_LOW_WATER_JUMBO;
17584 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
17585 DEFAULT_MB_MACRX_LOW_WATER_JUMBO;
17586 tp->bufmgr_config.mbuf_high_water_jumbo =
17587 DEFAULT_MB_HIGH_WATER_JUMBO;
17588 }
1da177e4
LT		 17589
17590 tp->bufmgr_config.dma_low_water = DEFAULT_DMA_LOW_WATER;
17591 tp->bufmgr_config.dma_high_water = DEFAULT_DMA_HIGH_WATER;
17592}
17593
229b1ad1 17594static char *tg3_phy_string(struct tg3 *tp)
1da177e4 17595{
79eb6904
MC		 17596 switch (tp->phy_id & TG3_PHY_ID_MASK) {
17597 case TG3_PHY_ID_BCM5400: return "5400";
17598 case TG3_PHY_ID_BCM5401: return "5401";
17599 case TG3_PHY_ID_BCM5411: return "5411";
17600 case TG3_PHY_ID_BCM5701: return "5701";
17601 case TG3_PHY_ID_BCM5703: return "5703";
17602 case TG3_PHY_ID_BCM5704: return "5704";
17603 case TG3_PHY_ID_BCM5705: return "5705";
17604 case TG3_PHY_ID_BCM5750: return "5750";
17605 case TG3_PHY_ID_BCM5752: return "5752";
17606 case TG3_PHY_ID_BCM5714: return "5714";
17607 case TG3_PHY_ID_BCM5780: return "5780";
17608 case TG3_PHY_ID_BCM5755: return "5755";
17609 case TG3_PHY_ID_BCM5787: return "5787";
17610 case TG3_PHY_ID_BCM5784: return "5784";
17611 case TG3_PHY_ID_BCM5756: return "5722/5756";
17612 case TG3_PHY_ID_BCM5906: return "5906";
17613 case TG3_PHY_ID_BCM5761: return "5761";
17614 case TG3_PHY_ID_BCM5718C: return "5718C";
17615 case TG3_PHY_ID_BCM5718S: return "5718S";
17616 case TG3_PHY_ID_BCM57765: return "57765";
302b500b 17617 case TG3_PHY_ID_BCM5719C: return "5719C";
6418f2c1 17618 case TG3_PHY_ID_BCM5720C: return "5720C";
c65a17f4 17619 case TG3_PHY_ID_BCM5762: return "5762C";
79eb6904 17620 case TG3_PHY_ID_BCM8002: return "8002/serdes";
1da177e4
LT		 17621 case 0: return "serdes";
17622 default: return "unknown";
855e1111 17623 }
1da177e4
LT		 17624}
17625
229b1ad1 17626static char *tg3_bus_string(struct tg3 *tp, char *str)
f9804ddb 17627{
63c3a66f 17628 if (tg3_flag(tp, PCI_EXPRESS)) {
f9804ddb
MC		 17629 strcpy(str, "PCI Express");
17630 return str;
63c3a66f 17631 } else if (tg3_flag(tp, PCIX_MODE)) {
f9804ddb
MC		 17632 u32 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL) & 0x1f;
17633
17634 strcpy(str, "PCIX:");
17635
17636 if ((clock_ctrl == 7) ||
17637 ((tr32(GRC_MISC_CFG) & GRC_MISC_CFG_BOARD_ID_MASK) ==
17638 GRC_MISC_CFG_BOARD_ID_5704CIOBE))
17639 strcat(str, "133MHz");
17640 else if (clock_ctrl == 0)
17641 strcat(str, "33MHz");
17642 else if (clock_ctrl == 2)
17643 strcat(str, "50MHz");
17644 else if (clock_ctrl == 4)
17645 strcat(str, "66MHz");
17646 else if (clock_ctrl == 6)
17647 strcat(str, "100MHz");
f9804ddb
MC		 17648 } else {
17649 strcpy(str, "PCI:");
63c3a66f 17650 if (tg3_flag(tp, PCI_HIGH_SPEED))
f9804ddb
MC		 17651 strcat(str, "66MHz");
17652 else
17653 strcat(str, "33MHz");
17654 }
63c3a66f 17655 if (tg3_flag(tp, PCI_32BIT))
f9804ddb
MC		 17656 strcat(str, ":32-bit");
17657 else
17658 strcat(str, ":64-bit");
17659 return str;
17660}
17661
229b1ad1 17662static void tg3_init_coal(struct tg3 *tp)
15f9850d
DM		 17663{
17664 struct ethtool_coalesce *ec = &tp->coal;
17665
17666 memset(ec, 0, sizeof(*ec));
17667 ec->cmd = ETHTOOL_GCOALESCE;
17668 ec->rx_coalesce_usecs = LOW_RXCOL_TICKS;
17669 ec->tx_coalesce_usecs = LOW_TXCOL_TICKS;
17670 ec->rx_max_coalesced_frames = LOW_RXMAX_FRAMES;
17671 ec->tx_max_coalesced_frames = LOW_TXMAX_FRAMES;
17672 ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT;
17673 ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT;
17674 ec->rx_max_coalesced_frames_irq = DEFAULT_RXCOAL_MAXF_INT;
17675 ec->tx_max_coalesced_frames_irq = DEFAULT_TXCOAL_MAXF_INT;
17676 ec->stats_block_coalesce_usecs = DEFAULT_STAT_COAL_TICKS;
17677
17678 if (tp->coalesce_mode & (HOSTCC_MODE_CLRTICK_RXBD |
17679 HOSTCC_MODE_CLRTICK_TXBD)) {
17680 ec->rx_coalesce_usecs = LOW_RXCOL_TICKS_CLRTCKS;
17681 ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT_CLRTCKS;
17682 ec->tx_coalesce_usecs = LOW_TXCOL_TICKS_CLRTCKS;
17683 ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT_CLRTCKS;
17684 }
d244c892 17685
63c3a66f 17686 if (tg3_flag(tp, 5705_PLUS)) {
d244c892
MC		 17687 ec->rx_coalesce_usecs_irq = 0;
17688 ec->tx_coalesce_usecs_irq = 0;
17689 ec->stats_block_coalesce_usecs = 0;
17690 }
15f9850d
DM		 17691}
17692
229b1ad1 17693static int tg3_init_one(struct pci_dev *pdev,
1da177e4
LT		 17694 const struct pci_device_id *ent)
17695{
1da177e4
LT		 17696 struct net_device *dev;
17697 struct tg3 *tp;
5865fc1b 17698 int i, err;
646c9edd 17699 u32 sndmbx, rcvmbx, intmbx;
f9804ddb 17700 char str[40];
72f2afb8 17701 u64 dma_mask, persist_dma_mask;
c8f44aff 17702 netdev_features_t features = 0;
a04436b2 17703 u8 addr[ETH_ALEN] __aligned(2);
1da177e4 17704
1da177e4
LT		 17705 err = pci_enable_device(pdev);
17706 if (err) {
2445e461 17707 dev_err(&pdev->dev, "Cannot enable PCI device, aborting\n");
1da177e4
LT		 17708 return err;
17709 }
17710
1da177e4
LT		 17711 err = pci_request_regions(pdev, DRV_MODULE_NAME);
17712 if (err) {
2445e461 17713 dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting\n");
1da177e4
LT		 17714 goto err_out_disable_pdev;
17715 }
17716
17717 pci_set_master(pdev);
17718
fe5f5787 17719 dev = alloc_etherdev_mq(sizeof(*tp), TG3_IRQ_MAX_VECS);
1da177e4 17720 if (!dev) {
1da177e4 17721 err = -ENOMEM;
5865fc1b 17722 goto err_out_free_res;
1da177e4
LT		 17723 }
17724
1da177e4
LT		 17725 SET_NETDEV_DEV(dev, &pdev->dev);
17726
1da177e4
LT		 17727 tp = netdev_priv(dev);
17728 tp->pdev = pdev;
17729 tp->dev = dev;
1da177e4
LT		 17730 tp->rx_mode = TG3_DEF_RX_MODE;
17731 tp->tx_mode = TG3_DEF_TX_MODE;
9c13cb8b 17732 tp->irq_sync = 1;
0486a063 17733 tp->pcierr_recovery = false;
8ef21428 17734
1da177e4
LT		 17735 if (tg3_debug > 0)
17736 tp->msg_enable = tg3_debug;
17737 else
17738 tp->msg_enable = TG3_DEF_MSG_ENABLE;
17739
7e6c63f0
HM		 17740 if (pdev_is_ssb_gige_core(pdev)) {
17741 tg3_flag_set(tp, IS_SSB_CORE);
17742 if (ssb_gige_must_flush_posted_writes(pdev))
17743 tg3_flag_set(tp, FLUSH_POSTED_WRITES);
17744 if (ssb_gige_one_dma_at_once(pdev))
17745 tg3_flag_set(tp, ONE_DMA_AT_ONCE);
ee002b64
HM		 17746 if (ssb_gige_have_roboswitch(pdev)) {
17747 tg3_flag_set(tp, USE_PHYLIB);
7e6c63f0 17748 tg3_flag_set(tp, ROBOSWITCH);
ee002b64 17749 }
7e6c63f0
HM		 17750 if (ssb_gige_is_rgmii(pdev))
17751 tg3_flag_set(tp, RGMII_MODE);
17752 }
17753
1da177e4
LT		 17754 /* The word/byte swap controls here control register access byte
17755 * swapping. DMA data byte swapping is controlled in the GRC_MODE
17756 * setting below.
17757 */
17758 tp->misc_host_ctrl =
17759 MISC_HOST_CTRL_MASK_PCI_INT |
17760 MISC_HOST_CTRL_WORD_SWAP |
17761 MISC_HOST_CTRL_INDIR_ACCESS |
17762 MISC_HOST_CTRL_PCISTATE_RW;
17763
17764 /* The NONFRM (non-frame) byte/word swap controls take effect
17765 * on descriptor entries, anything which isn't packet data.
17766 *
17767 * The StrongARM chips on the board (one for tx, one for rx)
17768 * are running in big-endian mode.
17769 */
17770 tp->grc_mode = (GRC_MODE_WSWAP_DATA | GRC_MODE_BSWAP_DATA |
17771 GRC_MODE_WSWAP_NONFRM_DATA);
17772#ifdef __BIG_ENDIAN
17773 tp->grc_mode |= GRC_MODE_BSWAP_NONFRM_DATA;
17774#endif
17775 spin_lock_init(&tp->lock);
1da177e4 17776 spin_lock_init(&tp->indirect_lock);
c4028958 17777 INIT_WORK(&tp->reset_task, tg3_reset_task);
1da177e4 17778
d5fe488a 17779 tp->regs = pci_ioremap_bar(pdev, BAR_0);
ab0049b4 17780 if (!tp->regs) {
ab96b241 17781 dev_err(&pdev->dev, "Cannot map device registers, aborting\n");
1da177e4
LT		 17782 err = -ENOMEM;
17783 goto err_out_free_dev;
17784 }
17785
c9cab24e
MC		 17786 if (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5761 ||
17787 tp->pdev->device == PCI_DEVICE_ID_TIGON3_5761E ||
17788 tp->pdev->device == TG3PCI_DEVICE_TIGON3_5761S ||
17789 tp->pdev->device == TG3PCI_DEVICE_TIGON3_5761SE ||
17790 tp->pdev->device == TG3PCI_DEVICE_TIGON3_5717 ||
79d49695 17791 tp->pdev->device == TG3PCI_DEVICE_TIGON3_5717_C ||
c9cab24e
MC		 17792 tp->pdev->device == TG3PCI_DEVICE_TIGON3_5718 ||
17793 tp->pdev->device == TG3PCI_DEVICE_TIGON3_5719 ||
c65a17f4 17794 tp->pdev->device == TG3PCI_DEVICE_TIGON3_5720 ||
68273712
NS		 17795 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57767 ||
17796 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57764 ||
c65a17f4
MC		 17797 tp->pdev->device == TG3PCI_DEVICE_TIGON3_5762 ||
17798 tp->pdev->device == TG3PCI_DEVICE_TIGON3_5725 ||
68273712
NS		 17799 tp->pdev->device == TG3PCI_DEVICE_TIGON3_5727 ||
17800 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57787) {
c9cab24e
MC		 17801 tg3_flag_set(tp, ENABLE_APE);
17802 tp->aperegs = pci_ioremap_bar(pdev, BAR_2);
17803 if (!tp->aperegs) {
17804 dev_err(&pdev->dev,
17805 "Cannot map APE registers, aborting\n");
17806 err = -ENOMEM;
17807 goto err_out_iounmap;
17808 }
17809 }
17810
1da177e4
LT		 17811 tp->rx_pending = TG3_DEF_RX_RING_PENDING;
17812 tp->rx_jumbo_pending = TG3_DEF_RX_JUMBO_RING_PENDING;
1da177e4 17813
1da177e4 17814 dev->ethtool_ops = &tg3_ethtool_ops;
1da177e4 17815 dev->watchdog_timeo = TG3_TX_TIMEOUT;
2ffcc981 17816 dev->netdev_ops = &tg3_netdev_ops;
1da177e4 17817 dev->irq = pdev->irq;
1da177e4 17818
3d567e0e 17819 err = tg3_get_invariants(tp, ent);
1da177e4 17820 if (err) {
ab96b241
MC		 17821 dev_err(&pdev->dev,
17822 "Problem fetching invariants of chip, aborting\n");
c9cab24e 17823 goto err_out_apeunmap;
1da177e4
LT		 17824 }
17825
4a29cc2e
MC		 17826 /* The EPB bridge inside 5714, 5715, and 5780 and any
17827 * device behind the EPB cannot support DMA addresses > 40-bit.
72f2afb8
MC		 17828 * On 64-bit systems with IOMMU, use 40-bit dma_mask.
17829 * On 64-bit systems without IOMMU, use 64-bit dma_mask and
c542b39b 17830 * do DMA address check in __tg3_start_xmit().
72f2afb8 17831 */
63c3a66f 17832 if (tg3_flag(tp, IS_5788))
284901a9 17833 persist_dma_mask = dma_mask = DMA_BIT_MASK(32);
63c3a66f 17834 else if (tg3_flag(tp, 40BIT_DMA_BUG)) {
50cf156a 17835 persist_dma_mask = dma_mask = DMA_BIT_MASK(40);
72f2afb8 17836#ifdef CONFIG_HIGHMEM
6a35528a 17837 dma_mask = DMA_BIT_MASK(64);
72f2afb8 17838#endif
4a29cc2e 17839 } else
6a35528a 17840 persist_dma_mask = dma_mask = DMA_BIT_MASK(64);
72f2afb8 17841
614f4d16
PC		 17842 if (tg3_asic_rev(tp) == ASIC_REV_57766)
17843 persist_dma_mask = DMA_BIT_MASK(31);
17844
72f2afb8 17845 /* Configure DMA attributes. */
284901a9 17846 if (dma_mask > DMA_BIT_MASK(32)) {
df70303d 17847 err = dma_set_mask(&pdev->dev, dma_mask);
72f2afb8 17848 if (!err) {
0da0606f 17849 features |= NETIF_F_HIGHDMA;
df70303d
CJ		 17850 err = dma_set_coherent_mask(&pdev->dev,
17851 persist_dma_mask);
72f2afb8 17852 if (err < 0) {
ab96b241
MC		 17853 dev_err(&pdev->dev, "Unable to obtain 64 bit "
17854 "DMA for consistent allocations\n");
c9cab24e 17855 goto err_out_apeunmap;
72f2afb8
MC		 17856 }
17857 }
17858 }
284901a9 17859 if (err || dma_mask == DMA_BIT_MASK(32)) {
df70303d 17860 err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
72f2afb8 17861 if (err) {
ab96b241
MC		 17862 dev_err(&pdev->dev,
17863 "No usable DMA configuration, aborting\n");
c9cab24e 17864 goto err_out_apeunmap;
72f2afb8
MC		 17865 }
17866 }
17867
fdfec172 17868 tg3_init_bufmgr_config(tp);
1da177e4 17869
0da0606f
MC		 17870 /* 5700 B0 chips do not support checksumming correctly due
17871 * to hardware bugs.
17872 */
4153577a 17873 if (tg3_chip_rev_id(tp) != CHIPREV_ID_5700_B0) {
0da0606f
MC		 17874 features |= NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM;
17875
17876 if (tg3_flag(tp, 5755_PLUS))
17877 features |= NETIF_F_IPV6_CSUM;
17878 }
17879
4e3a7aaa
MC		 17880 /* TSO is on by default on chips that support hardware TSO.
17881 * Firmware TSO on older chips gives lower performance, so it
17882 * is off by default, but can be enabled using ethtool.
17883 */
63c3a66f
JP		 17884 if ((tg3_flag(tp, HW_TSO_1) ||
17885 tg3_flag(tp, HW_TSO_2) ||
17886 tg3_flag(tp, HW_TSO_3)) &&
0da0606f
MC		 17887 (features & NETIF_F_IP_CSUM))
17888 features |= NETIF_F_TSO;
63c3a66f 17889 if (tg3_flag(tp, HW_TSO_2) || tg3_flag(tp, HW_TSO_3)) {
0da0606f
MC		 17890 if (features & NETIF_F_IPV6_CSUM)
17891 features |= NETIF_F_TSO6;
63c3a66f 17892 if (tg3_flag(tp, HW_TSO_3) ||
4153577a
JP		 17893 tg3_asic_rev(tp) == ASIC_REV_5761 ||
17894 (tg3_asic_rev(tp) == ASIC_REV_5784 &&
17895 tg3_chip_rev(tp) != CHIPREV_5784_AX) ||
17896 tg3_asic_rev(tp) == ASIC_REV_5785 ||
17897 tg3_asic_rev(tp) == ASIC_REV_57780)
0da0606f 17898 features |= NETIF_F_TSO_ECN;
b0026624 17899 }
1da177e4 17900
51dfe7b9
VY		 17901 dev->features |= features | NETIF_F_HW_VLAN_CTAG_TX |
17902 NETIF_F_HW_VLAN_CTAG_RX;
d542fe27
MC		 17903 dev->vlan_features |= features;
17904
06c03c02
MB		 17905 /*
17906 * Add loopback capability only for a subset of devices that support
17907 * MAC-LOOPBACK. Eventually this need to be enhanced to allow INT-PHY
17908 * loopback for the remaining devices.
17909 */
4153577a 17910 if (tg3_asic_rev(tp) != ASIC_REV_5780 &&
06c03c02
MB		 17911 !tg3_flag(tp, CPMU_PRESENT))
17912 /* Add the loopback capability */
0da0606f
MC		 17913 features |= NETIF_F_LOOPBACK;
17914
0da0606f 17915 dev->hw_features |= features;
e565eec3 17916 dev->priv_flags |= IFF_UNICAST_FLT;
06c03c02 17917
e1c6dcca
JW		 17918 /* MTU range: 60 - 9000 or 1500, depending on hardware */
17919 dev->min_mtu = TG3_MIN_MTU;
17920 dev->max_mtu = TG3_MAX_MTU(tp);
17921
4153577a 17922 if (tg3_chip_rev_id(tp) == CHIPREV_ID_5705_A1 &&
63c3a66f 17923 !tg3_flag(tp, TSO_CAPABLE) &&
1da177e4 17924 !(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH)) {
63c3a66f 17925 tg3_flag_set(tp, MAX_RXPEND_64);
1da177e4
LT		 17926 tp->rx_pending = 63;
17927 }
17928
a04436b2 17929 err = tg3_get_device_address(tp, addr);
1da177e4 17930 if (err) {
ab96b241
MC		 17931 dev_err(&pdev->dev,
17932 "Could not obtain valid ethernet address, aborting\n");
c9cab24e 17933 goto err_out_apeunmap;
c88864df 17934 }
a04436b2 17935 eth_hw_addr_set(dev, addr);
c88864df 17936
78f90dcf
MC		 17937 intmbx = MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW;
17938 rcvmbx = MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW;
17939 sndmbx = MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW;
6fd45cb8 17940 for (i = 0; i < tp->irq_max; i++) {
78f90dcf
MC		 17941 struct tg3_napi *tnapi = &tp->napi[i];
17942
17943 tnapi->tp = tp;
17944 tnapi->tx_pending = TG3_DEF_TX_RING_PENDING;
17945
17946 tnapi->int_mbox = intmbx;
ec1b9088 17947 intmbx += 0x8;
78f90dcf
MC		 17948
17949 tnapi->consmbox = rcvmbx;
17950 tnapi->prodmbox = sndmbx;
17951
66cfd1bd 17952 if (i)
78f90dcf 17953 tnapi->coal_now = HOSTCC_MODE_COAL_VEC1_NOW << (i - 1);
66cfd1bd 17954 else
78f90dcf 17955 tnapi->coal_now = HOSTCC_MODE_NOW;
78f90dcf 17956
63c3a66f 17957 if (!tg3_flag(tp, SUPPORT_MSIX))
78f90dcf
MC		 17958 break;
17959
17960 /*
17961 * If we support MSIX, we'll be using RSS. If we're using
17962 * RSS, the first vector only handles link interrupts and the
17963 * remaining vectors handle rx and tx interrupts. Reuse the
17964 * mailbox values for the next iteration. The values we setup
17965 * above are still useful for the single vectored mode.
17966 */
17967 if (!i)
17968 continue;
17969
17970 rcvmbx += 0x8;
17971
17972 if (sndmbx & 0x4)
17973 sndmbx -= 0x4;
17974 else
17975 sndmbx += 0xc;
17976 }
17977
05b0aa57
PS		 17978 /*
17979 * Reset chip in case UNDI or EFI driver did not shutdown
17980 * DMA self test will enable WDMAC and we'll see (spurious)
17981 * pending DMA on the PCI bus at that point.
17982 */
17983 if ((tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE) ||
17984 (tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
d0af71a3 17985 tg3_full_lock(tp, 0);
05b0aa57
PS		 17986 tw32(MEMARB_MODE, MEMARB_MODE_ENABLE);
17987 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
d0af71a3 17988 tg3_full_unlock(tp);
05b0aa57
PS		 17989 }
17990
17991 err = tg3_test_dma(tp);
17992 if (err) {
17993 dev_err(&pdev->dev, "DMA engine test failed, aborting\n");
17994 goto err_out_apeunmap;
17995 }
17996
15f9850d
DM		 17997 tg3_init_coal(tp);
17998
c49a1561
MC		 17999 pci_set_drvdata(pdev, dev);
18000
4153577a
JP		 18001 if (tg3_asic_rev(tp) == ASIC_REV_5719 ||
18002 tg3_asic_rev(tp) == ASIC_REV_5720 ||
18003 tg3_asic_rev(tp) == ASIC_REV_5762)
fb4ce8ad
MC		 18004 tg3_flag_set(tp, PTP_CAPABLE);
18005
21f7638e
MC		 18006 tg3_timer_init(tp);
18007
402e1398
MC		 18008 tg3_carrier_off(tp);
18009
1da177e4
LT		 18010 err = register_netdev(dev);
18011 if (err) {
ab96b241 18012 dev_err(&pdev->dev, "Cannot register net device, aborting\n");
0d3031d9 18013 goto err_out_apeunmap;
1da177e4
LT		 18014 }
18015
20d14a5d
IV		 18016 if (tg3_flag(tp, PTP_CAPABLE)) {
18017 tg3_ptp_init(tp);
18018 tp->ptp_clock = ptp_clock_register(&tp->ptp_info,
18019 &tp->pdev->dev);
18020 if (IS_ERR(tp->ptp_clock))
18021 tp->ptp_clock = NULL;
18022 }
18023
05dbe005
JP		 18024 netdev_info(dev, "Tigon3 [partno(%s) rev %04x] (%s) MAC address %pM\n",
18025 tp->board_part_number,
4153577a 18026 tg3_chip_rev_id(tp),
05dbe005
JP		 18027 tg3_bus_string(tp, str),
18028 dev->dev_addr);
1da177e4 18029
2220943a 18030 if (!(tp->phy_flags & TG3_PHYFLG_IS_CONNECTED)) {
f07e9af3
MC		 18031 char *ethtype;
18032
18033 if (tp->phy_flags & TG3_PHYFLG_10_100_ONLY)
18034 ethtype = "10/100Base-TX";
18035 else if (tp->phy_flags & TG3_PHYFLG_ANY_SERDES)
18036 ethtype = "1000Base-SX";
18037 else
18038 ethtype = "10/100/1000Base-T";
18039
5129c3a3 18040 netdev_info(dev, "attached PHY is %s (%s Ethernet) "
47007831
MC		 18041 "(WireSpeed[%d], EEE[%d])\n",
18042 tg3_phy_string(tp), ethtype,
18043 (tp->phy_flags & TG3_PHYFLG_NO_ETH_WIRE_SPEED) == 0,
18044 (tp->phy_flags & TG3_PHYFLG_EEE_CAP) != 0);
f07e9af3 18045 }
05dbe005
JP		 18046
18047 netdev_info(dev, "RXcsums[%d] LinkChgREG[%d] MIirq[%d] ASF[%d] TSOcap[%d]\n",
dc668910 18048 (dev->features & NETIF_F_RXCSUM) != 0,
63c3a66f 18049 tg3_flag(tp, USE_LINKCHG_REG) != 0,
f07e9af3 18050 (tp->phy_flags & TG3_PHYFLG_USE_MI_INTERRUPT) != 0,
63c3a66f
JP		 18051 tg3_flag(tp, ENABLE_ASF) != 0,
18052 tg3_flag(tp, TSO_CAPABLE) != 0);
05dbe005
JP		 18053 netdev_info(dev, "dma_rwctrl[%08x] dma_mask[%d-bit]\n",
18054 tp->dma_rwctrl,
18055 pdev->dma_mask == DMA_BIT_MASK(32) ? 32 :
18056 ((u64)pdev->dma_mask) == DMA_BIT_MASK(40) ? 40 : 64);
1da177e4 18057
b45aa2f6
MC		 18058 pci_save_state(pdev);
18059
1da177e4
LT		 18060 return 0;
18061
0d3031d9
MC		 18062err_out_apeunmap:
18063 if (tp->aperegs) {
18064 iounmap(tp->aperegs);
18065 tp->aperegs = NULL;
18066 }
18067
1da177e4 18068err_out_iounmap:
6892914f
MC		 18069 if (tp->regs) {
18070 iounmap(tp->regs);
22abe310 18071 tp->regs = NULL;
6892914f 18072 }
1da177e4
LT		 18073
18074err_out_free_dev:
18075 free_netdev(dev);
18076
18077err_out_free_res:
18078 pci_release_regions(pdev);
18079
18080err_out_disable_pdev:
c80dc13d
GS		 18081 if (pci_is_enabled(pdev))
18082 pci_disable_device(pdev);
1da177e4
LT		 18083 return err;
18084}
18085
229b1ad1 18086static void tg3_remove_one(struct pci_dev *pdev)
1da177e4
LT		 18087{
18088 struct net_device *dev = pci_get_drvdata(pdev);
18089
18090 if (dev) {
18091 struct tg3 *tp = netdev_priv(dev);
18092
20d14a5d
IV		 18093 tg3_ptp_fini(tp);
18094
e3c5530b 18095 release_firmware(tp->fw);
077f849d 18096
db219973 18097 tg3_reset_task_cancel(tp);
158d7abd 18098
e730c823 18099 if (tg3_flag(tp, USE_PHYLIB)) {
b02fd9e3 18100 tg3_phy_fini(tp);
158d7abd 18101 tg3_mdio_fini(tp);
b02fd9e3 18102 }
158d7abd 18103
1da177e4 18104 unregister_netdev(dev);
0d3031d9
MC		 18105 if (tp->aperegs) {
18106 iounmap(tp->aperegs);
18107 tp->aperegs = NULL;
18108 }
6892914f
MC		 18109 if (tp->regs) {
18110 iounmap(tp->regs);
22abe310 18111 tp->regs = NULL;
6892914f 18112 }
1da177e4
LT		 18113 free_netdev(dev);
18114 pci_release_regions(pdev);
18115 pci_disable_device(pdev);
1da177e4
LT		 18116 }
18117}
18118
aa6027ca 18119#ifdef CONFIG_PM_SLEEP
c866b7ea 18120static int tg3_suspend(struct device *device)
1da177e4 18121{
f521eaa9 18122 struct net_device *dev = dev_get_drvdata(device);
1da177e4 18123 struct tg3 *tp = netdev_priv(dev);
8496e85c
RW		 18124
18125 rtnl_lock();
1da177e4
LT		 18126
18127 if (!netif_running(dev))
8496e85c 18128 goto unlock;
1da177e4 18129
db219973 18130 tg3_reset_task_cancel(tp);
b02fd9e3 18131 tg3_phy_stop(tp);
1da177e4
LT		 18132 tg3_netif_stop(tp);
18133
21f7638e 18134 tg3_timer_stop(tp);
1da177e4 18135
f47c11ee 18136 tg3_full_lock(tp, 1);
1da177e4 18137 tg3_disable_ints(tp);
f47c11ee 18138 tg3_full_unlock(tp);
1da177e4
LT		 18139
18140 netif_device_detach(dev);
18141
f47c11ee 18142 tg3_full_lock(tp, 0);
944d980e 18143 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
63c3a66f 18144 tg3_flag_clear(tp, INIT_COMPLETE);
f47c11ee 18145 tg3_full_unlock(tp);
1da177e4 18146
d72b7357 18147 tg3_power_down_prepare(tp);
1da177e4 18148
8496e85c
RW		 18149unlock:
18150 rtnl_unlock();
d72b7357 18151 return 0;
1da177e4
LT		 18152}
18153
c866b7ea 18154static int tg3_resume(struct device *device)
1da177e4 18155{
f521eaa9 18156 struct net_device *dev = dev_get_drvdata(device);
1da177e4 18157 struct tg3 *tp = netdev_priv(dev);
8496e85c
RW		 18158 int err = 0;
18159
18160 rtnl_lock();
1da177e4
LT		 18161
18162 if (!netif_running(dev))
8496e85c 18163 goto unlock;
1da177e4 18164
1da177e4
LT		 18165 netif_device_attach(dev);
18166
8ed47e4e 18167 netdev_lock(dev);
f47c11ee 18168 tg3_full_lock(tp, 0);
1da177e4 18169
2e460fc0
NS		 18170 tg3_ape_driver_state_change(tp, RESET_KIND_INIT);
18171
63c3a66f 18172 tg3_flag_set(tp, INIT_COMPLETE);
942d1af0
NS		 18173 err = tg3_restart_hw(tp,
18174 !(tp->phy_flags & TG3_PHYFLG_KEEP_LINK_ON_PWRDN));
b9ec6c1b
MC		 18175 if (err)
18176 goto out;
1da177e4 18177
21f7638e 18178 tg3_timer_start(tp);
1da177e4 18179
1da177e4
LT		 18180 tg3_netif_start(tp);
18181
b9ec6c1b 18182out:
f47c11ee 18183 tg3_full_unlock(tp);
8ed47e4e 18184 netdev_unlock(dev);
1da177e4 18185
b02fd9e3
MC		 18186 if (!err)
18187 tg3_phy_start(tp);
18188
8496e85c
RW		 18189unlock:
18190 rtnl_unlock();
b9ec6c1b 18191 return err;
1da177e4 18192}
42df36a6 18193#endif /* CONFIG_PM_SLEEP */
1da177e4 18194
c866b7ea
RW		 18195static SIMPLE_DEV_PM_OPS(tg3_pm_ops, tg3_suspend, tg3_resume);
18196
e0efe83e
LS		 18197/* Systems where ACPI _PTS (Prepare To Sleep) S5 will result in a fatal
18198 * PCIe AER event on the tg3 device if the tg3 device is not, or cannot
18199 * be, powered down.
18200 */
18201static const struct dmi_system_id tg3_restart_aer_quirk_table[] = {
18202 {
18203 .matches = {
18204 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
18205 DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge R440"),
18206 },
18207 },
18208 {
18209 .matches = {
18210 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
18211 DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge R540"),
18212 },
18213 },
18214 {
18215 .matches = {
18216 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
18217 DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge R640"),
18218 },
18219 },
18220 {
18221 .matches = {
18222 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
18223 DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge R650"),
18224 },
18225 },
18226 {
18227 .matches = {
18228 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
18229 DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge R740"),
18230 },
18231 },
18232 {
18233 .matches = {
18234 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
18235 DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge R750"),
18236 },
18237 },
18238 {}
18239};
18240
4c305fa2
NS		 18241static void tg3_shutdown(struct pci_dev *pdev)
18242{
18243 struct net_device *dev = pci_get_drvdata(pdev);
18244 struct tg3 *tp = netdev_priv(dev);
18245
2ca1c94c
KHF		 18246 tg3_reset_task_cancel(tp);
18247
4c305fa2 18248 rtnl_lock();
2ca1c94c 18249
4c305fa2
NS		 18250 netif_device_detach(dev);
18251
18252 if (netif_running(dev))
18253 dev_close(dev);
18254
9fc3bc76
GS		 18255 if (system_state == SYSTEM_POWER_OFF)
18256 tg3_power_down(tp);
e0efe83e
LS		 18257 else if (system_state == SYSTEM_RESTART &&
18258 dmi_first_match(tg3_restart_aer_quirk_table) &&
18259 pdev->current_state != PCI_D3cold &&
18260 pdev->current_state != PCI_UNKNOWN) {
18261 /* Disable PCIe AER on the tg3 to avoid a fatal
18262 * error during this system restart.
18263 */
18264 pcie_capability_clear_word(pdev, PCI_EXP_DEVCTL,
18265 PCI_EXP_DEVCTL_CERE |
18266 PCI_EXP_DEVCTL_NFERE |
18267 PCI_EXP_DEVCTL_FERE |
18268 PCI_EXP_DEVCTL_URRE);
18269 }
4c305fa2
NS		 18270
18271 rtnl_unlock();
2ca1c94c
KHF		 18272
18273 pci_disable_device(pdev);
4c305fa2
NS		 18274}
18275
b45aa2f6
MC		 18276/**
18277 * tg3_io_error_detected - called when PCI error is detected
18278 * @pdev: Pointer to PCI device
18279 * @state: The current pci connection state
18280 *
18281 * This function is called after a PCI bus error affecting
18282 * this device has been detected.
18283 */
18284static pci_ers_result_t tg3_io_error_detected(struct pci_dev *pdev,
18285 pci_channel_state_t state)
18286{
18287 struct net_device *netdev = pci_get_drvdata(pdev);
18288 struct tg3 *tp = netdev_priv(netdev);
18289 pci_ers_result_t err = PCI_ERS_RESULT_NEED_RESET;
18290
18291 netdev_info(netdev, "PCI I/O error detected\n");
18292
6c4ca03b
DC		 18293 /* Want to make sure that the reset task doesn't run */
18294 tg3_reset_task_cancel(tp);
18295
b45aa2f6
MC		 18296 rtnl_lock();
18297
3a2656a2
DC		 18298 /* Could be second call or maybe we don't have netdev yet */
18299 if (!netdev || tp->pcierr_recovery || !netif_running(netdev))
b45aa2f6
MC		 18300 goto done;
18301
1b0ff898
MM		 18302 /* We needn't recover from permanent error */
18303 if (state == pci_channel_io_frozen)
18304 tp->pcierr_recovery = true;
18305
b45aa2f6
MC		 18306 tg3_phy_stop(tp);
18307
18308 tg3_netif_stop(tp);
18309
21f7638e 18310 tg3_timer_stop(tp);
b45aa2f6 18311
b45aa2f6
MC		 18312 netif_device_detach(netdev);
18313
18314 /* Clean up software state, even if MMIO is blocked */
18315 tg3_full_lock(tp, 0);
18316 tg3_halt(tp, RESET_KIND_SHUTDOWN, 0);
18317 tg3_full_unlock(tp);
18318
18319done:
72bb72b0 18320 if (state == pci_channel_io_perm_failure) {
68293099 18321 if (netdev) {
8ed47e4e 18322 netdev_lock(netdev);
68293099 18323 tg3_napi_enable(tp);
8ed47e4e 18324 netdev_unlock(netdev);
68293099
DB		 18325 dev_close(netdev);
18326 }
b45aa2f6 18327 err = PCI_ERS_RESULT_DISCONNECT;
72bb72b0 18328 } else {
b45aa2f6 18329 pci_disable_device(pdev);
72bb72b0 18330 }
b45aa2f6
MC		 18331
18332 rtnl_unlock();
18333
18334 return err;
18335}
18336
18337/**
18338 * tg3_io_slot_reset - called after the pci bus has been reset.
18339 * @pdev: Pointer to PCI device
18340 *
18341 * Restart the card from scratch, as if from a cold-boot.
9e2ffec5 18342 * At this point, the card has experienced a hard reset,
b45aa2f6
MC		 18343 * followed by fixups by BIOS, and has its config space
18344 * set up identically to what it was at cold boot.
18345 */
18346static pci_ers_result_t tg3_io_slot_reset(struct pci_dev *pdev)
18347{
18348 struct net_device *netdev = pci_get_drvdata(pdev);
18349 struct tg3 *tp = netdev_priv(netdev);
18350 pci_ers_result_t rc = PCI_ERS_RESULT_DISCONNECT;
18351 int err;
18352
18353 rtnl_lock();
18354
18355 if (pci_enable_device(pdev)) {
68293099
DB		 18356 dev_err(&pdev->dev,
18357 "Cannot re-enable PCI device after reset.\n");
b45aa2f6
MC		 18358 goto done;
18359 }
18360
18361 pci_set_master(pdev);
18362 pci_restore_state(pdev);
18363 pci_save_state(pdev);
18364
68293099 18365 if (!netdev || !netif_running(netdev)) {
b45aa2f6
MC		 18366 rc = PCI_ERS_RESULT_RECOVERED;
18367 goto done;
18368 }
18369
18370 err = tg3_power_up(tp);
bed9829f 18371 if (err)
b45aa2f6 18372 goto done;
b45aa2f6
MC		 18373
18374 rc = PCI_ERS_RESULT_RECOVERED;
18375
18376done:
68293099 18377 if (rc != PCI_ERS_RESULT_RECOVERED && netdev && netif_running(netdev)) {
8ed47e4e 18378 netdev_lock(netdev);
72bb72b0 18379 tg3_napi_enable(tp);
8ed47e4e 18380 netdev_unlock(netdev);
72bb72b0
MC		 18381 dev_close(netdev);
18382 }
b45aa2f6
MC		 18383 rtnl_unlock();
18384
18385 return rc;
18386}
18387
18388/**
18389 * tg3_io_resume - called when traffic can start flowing again.
18390 * @pdev: Pointer to PCI device
18391 *
18392 * This callback is called when the error recovery driver tells
18393 * us that its OK to resume normal operation.
18394 */
18395static void tg3_io_resume(struct pci_dev *pdev)
18396{
18397 struct net_device *netdev = pci_get_drvdata(pdev);
18398 struct tg3 *tp = netdev_priv(netdev);
18399 int err;
18400
18401 rtnl_lock();
18402
1b0ff898 18403 if (!netdev || !netif_running(netdev))
b45aa2f6
MC		 18404 goto done;
18405
8ed47e4e 18406 netdev_lock(netdev);
b45aa2f6 18407 tg3_full_lock(tp, 0);
2e460fc0 18408 tg3_ape_driver_state_change(tp, RESET_KIND_INIT);
63c3a66f 18409 tg3_flag_set(tp, INIT_COMPLETE);
953c96e0 18410 err = tg3_restart_hw(tp, true);
b45aa2f6 18411 if (err) {
35763066 18412 tg3_full_unlock(tp);
8ed47e4e 18413 netdev_unlock(netdev);
b45aa2f6
MC		 18414 netdev_err(netdev, "Cannot restart hardware after reset.\n");
18415 goto done;
18416 }
18417
18418 netif_device_attach(netdev);
18419
21f7638e 18420 tg3_timer_start(tp);
b45aa2f6
MC		 18421
18422 tg3_netif_start(tp);
18423
35763066 18424 tg3_full_unlock(tp);
8ed47e4e 18425 netdev_unlock(netdev);
35763066 18426
b45aa2f6
MC		 18427 tg3_phy_start(tp);
18428
18429done:
0486a063 18430 tp->pcierr_recovery = false;
b45aa2f6
MC		 18431 rtnl_unlock();
18432}
18433
3646f0e5 18434static const struct pci_error_handlers tg3_err_handler = {
b45aa2f6
MC		 18435 .error_detected = tg3_io_error_detected,
18436 .slot_reset = tg3_io_slot_reset,
18437 .resume = tg3_io_resume
18438};
18439
1da177e4
LT		 18440static struct pci_driver tg3_driver = {
18441 .name = DRV_MODULE_NAME,
18442 .id_table = tg3_pci_tbl,
18443 .probe = tg3_init_one,
229b1ad1 18444 .remove = tg3_remove_one,
b45aa2f6 18445 .err_handler = &tg3_err_handler,
42df36a6 18446 .driver.pm = &tg3_pm_ops,
4c305fa2 18447 .shutdown = tg3_shutdown,
1da177e4
LT		 18448};
18449
8dbb0dc2 18450module_pci_driver(tg3_driver);
Linux 6.x block layer and io_uring tree(s)