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2874c5fd | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
ce973b14 | 2 | /* |
047584ce | 3 | * Copyright (C) 2006-2009 Freescale Semicondutor, Inc. All rights reserved. |
ce973b14 LY |
4 | * |
5 | * Author: Shlomi Gridish <gridish@freescale.com> | |
18a8e864 | 6 | * Li Yang <leoli@freescale.com> |
ce973b14 LY |
7 | * |
8 | * Description: | |
9 | * QE UCC Gigabit Ethernet Driver | |
ce973b14 | 10 | */ |
c84d8055 JP |
11 | |
12 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt | |
13 | ||
ce973b14 LY |
14 | #include <linux/kernel.h> |
15 | #include <linux/init.h> | |
16 | #include <linux/errno.h> | |
17 | #include <linux/slab.h> | |
18 | #include <linux/stddef.h> | |
9d9779e7 | 19 | #include <linux/module.h> |
ce973b14 LY |
20 | #include <linux/interrupt.h> |
21 | #include <linux/netdevice.h> | |
22 | #include <linux/etherdevice.h> | |
23 | #include <linux/skbuff.h> | |
24 | #include <linux/spinlock.h> | |
25 | #include <linux/mm.h> | |
ce973b14 | 26 | #include <linux/dma-mapping.h> |
ce973b14 | 27 | #include <linux/mii.h> |
728de4c9 | 28 | #include <linux/phy.h> |
a28777f2 | 29 | #include <linux/phy_fixed.h> |
df19b6b0 | 30 | #include <linux/workqueue.h> |
5af50730 RH |
31 | #include <linux/of_address.h> |
32 | #include <linux/of_irq.h> | |
0b9da337 | 33 | #include <linux/of_mdio.h> |
4b6ba8aa | 34 | #include <linux/of_net.h> |
55b6c8e9 | 35 | #include <linux/of_platform.h> |
ce973b14 | 36 | |
7c0f6ba6 | 37 | #include <linux/uaccess.h> |
ce973b14 LY |
38 | #include <asm/irq.h> |
39 | #include <asm/io.h> | |
7aa1aa6e ZQ |
40 | #include <soc/fsl/qe/immap_qe.h> |
41 | #include <soc/fsl/qe/qe.h> | |
42 | #include <soc/fsl/qe/ucc.h> | |
43 | #include <soc/fsl/qe/ucc_fast.h> | |
81abb43a | 44 | #include <asm/machdep.h> |
ce973b14 LY |
45 | |
46 | #include "ucc_geth.h" | |
ce973b14 LY |
47 | |
48 | #undef DEBUG | |
49 | ||
ce973b14 LY |
50 | #define ugeth_printk(level, format, arg...) \ |
51 | printk(level format "\n", ## arg) | |
52 | ||
53 | #define ugeth_dbg(format, arg...) \ | |
54 | ugeth_printk(KERN_DEBUG , format , ## arg) | |
ce973b14 LY |
55 | |
56 | #ifdef UGETH_VERBOSE_DEBUG | |
57 | #define ugeth_vdbg ugeth_dbg | |
58 | #else | |
59 | #define ugeth_vdbg(fmt, args...) do { } while (0) | |
60 | #endif /* UGETH_VERBOSE_DEBUG */ | |
890de95e | 61 | #define UGETH_MSG_DEFAULT (NETIF_MSG_IFUP << 1 ) - 1 |
ce973b14 | 62 | |
88a15f2e | 63 | |
ce973b14 LY |
64 | static DEFINE_SPINLOCK(ugeth_lock); |
65 | ||
890de95e LY |
66 | static struct { |
67 | u32 msg_enable; | |
68 | } debug = { -1 }; | |
69 | ||
70 | module_param_named(debug, debug.msg_enable, int, 0); | |
71 | MODULE_PARM_DESC(debug, "Debug verbosity level (0=none, ..., 0xffff=all)"); | |
72 | ||
634b5bd7 RV |
73 | static int ucc_geth_thread_count(enum ucc_geth_num_of_threads idx) |
74 | { | |
75 | static const u8 count[] = { | |
76 | [UCC_GETH_NUM_OF_THREADS_1] = 1, | |
77 | [UCC_GETH_NUM_OF_THREADS_2] = 2, | |
78 | [UCC_GETH_NUM_OF_THREADS_4] = 4, | |
79 | [UCC_GETH_NUM_OF_THREADS_6] = 6, | |
80 | [UCC_GETH_NUM_OF_THREADS_8] = 8, | |
81 | }; | |
82 | if (idx >= ARRAY_SIZE(count)) | |
83 | return 0; | |
84 | return count[idx]; | |
85 | } | |
86 | ||
53f49d86 RV |
87 | static inline int ucc_geth_tx_queues(const struct ucc_geth_info *info) |
88 | { | |
89 | return 1; | |
90 | } | |
91 | ||
92 | static inline int ucc_geth_rx_queues(const struct ucc_geth_info *info) | |
93 | { | |
94 | return 1; | |
95 | } | |
96 | ||
b0292e08 | 97 | static const struct ucc_geth_info ugeth_primary_info = { |
ce973b14 | 98 | .uf_info = { |
ce973b14 LY |
99 | .rtsm = UCC_FAST_SEND_IDLES_BETWEEN_FRAMES, |
100 | .max_rx_buf_length = 1536, | |
728de4c9 | 101 | /* adjusted at startup if max-speed 1000 */ |
ce973b14 LY |
102 | .urfs = UCC_GETH_URFS_INIT, |
103 | .urfet = UCC_GETH_URFET_INIT, | |
104 | .urfset = UCC_GETH_URFSET_INIT, | |
105 | .utfs = UCC_GETH_UTFS_INIT, | |
106 | .utfet = UCC_GETH_UTFET_INIT, | |
107 | .utftt = UCC_GETH_UTFTT_INIT, | |
ce973b14 LY |
108 | .ufpt = 256, |
109 | .mode = UCC_FAST_PROTOCOL_MODE_ETHERNET, | |
110 | .ttx_trx = UCC_FAST_GUMR_TRANSPARENT_TTX_TRX_NORMAL, | |
111 | .tenc = UCC_FAST_TX_ENCODING_NRZ, | |
112 | .renc = UCC_FAST_RX_ENCODING_NRZ, | |
113 | .tcrc = UCC_FAST_16_BIT_CRC, | |
114 | .synl = UCC_FAST_SYNC_LEN_NOT_USED, | |
115 | }, | |
ce973b14 LY |
116 | .extendedFilteringChainPointer = ((uint32_t) NULL), |
117 | .typeorlen = 3072 /*1536 */ , | |
118 | .nonBackToBackIfgPart1 = 0x40, | |
119 | .nonBackToBackIfgPart2 = 0x60, | |
120 | .miminumInterFrameGapEnforcement = 0x50, | |
121 | .backToBackInterFrameGap = 0x60, | |
122 | .mblinterval = 128, | |
123 | .nortsrbytetime = 5, | |
124 | .fracsiz = 1, | |
125 | .strictpriorityq = 0xff, | |
126 | .altBebTruncation = 0xa, | |
127 | .excessDefer = 1, | |
128 | .maxRetransmission = 0xf, | |
129 | .collisionWindow = 0x37, | |
130 | .receiveFlowControl = 1, | |
ac421852 | 131 | .transmitFlowControl = 1, |
ce973b14 LY |
132 | .maxGroupAddrInHash = 4, |
133 | .maxIndAddrInHash = 4, | |
134 | .prel = 7, | |
70f8002d | 135 | .maxFrameLength = 1518+16, /* Add extra bytes for VLANs etc. */ |
ce973b14 | 136 | .minFrameLength = 64, |
70f8002d JT |
137 | .maxD1Length = 1520+16, /* Add extra bytes for VLANs etc. */ |
138 | .maxD2Length = 1520+16, /* Add extra bytes for VLANs etc. */ | |
ce973b14 LY |
139 | .vlantype = 0x8100, |
140 | .ecamptr = ((uint32_t) NULL), | |
141 | .eventRegMask = UCCE_OTHER, | |
142 | .pausePeriod = 0xf000, | |
143 | .interruptcoalescingmaxvalue = {1, 1, 1, 1, 1, 1, 1, 1}, | |
144 | .bdRingLenTx = { | |
145 | TX_BD_RING_LEN, | |
146 | TX_BD_RING_LEN, | |
147 | TX_BD_RING_LEN, | |
148 | TX_BD_RING_LEN, | |
149 | TX_BD_RING_LEN, | |
150 | TX_BD_RING_LEN, | |
151 | TX_BD_RING_LEN, | |
152 | TX_BD_RING_LEN}, | |
153 | ||
154 | .bdRingLenRx = { | |
155 | RX_BD_RING_LEN, | |
156 | RX_BD_RING_LEN, | |
157 | RX_BD_RING_LEN, | |
158 | RX_BD_RING_LEN, | |
159 | RX_BD_RING_LEN, | |
160 | RX_BD_RING_LEN, | |
161 | RX_BD_RING_LEN, | |
162 | RX_BD_RING_LEN}, | |
163 | ||
164 | .numStationAddresses = UCC_GETH_NUM_OF_STATION_ADDRESSES_1, | |
165 | .largestexternallookupkeysize = | |
166 | QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_NONE, | |
ac421852 LY |
167 | .statisticsMode = UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE | |
168 | UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX | | |
169 | UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX, | |
ce973b14 LY |
170 | .vlanOperationTagged = UCC_GETH_VLAN_OPERATION_TAGGED_NOP, |
171 | .vlanOperationNonTagged = UCC_GETH_VLAN_OPERATION_NON_TAGGED_NOP, | |
172 | .rxQoSMode = UCC_GETH_QOS_MODE_DEFAULT, | |
173 | .aufc = UPSMR_AUTOMATIC_FLOW_CONTROL_MODE_NONE, | |
174 | .padAndCrc = MACCFG2_PAD_AND_CRC_MODE_PAD_AND_CRC, | |
ffea31ed JT |
175 | .numThreadsTx = UCC_GETH_NUM_OF_THREADS_1, |
176 | .numThreadsRx = UCC_GETH_NUM_OF_THREADS_1, | |
ce973b14 LY |
177 | .riscTx = QE_RISC_ALLOCATION_RISC1_AND_RISC2, |
178 | .riscRx = QE_RISC_ALLOCATION_RISC1_AND_RISC2, | |
179 | }; | |
180 | ||
ce973b14 LY |
181 | #ifdef DEBUG |
182 | static void mem_disp(u8 *addr, int size) | |
183 | { | |
184 | u8 *i; | |
185 | int size16Aling = (size >> 4) << 4; | |
186 | int size4Aling = (size >> 2) << 2; | |
187 | int notAlign = 0; | |
188 | if (size % 16) | |
189 | notAlign = 1; | |
190 | ||
191 | for (i = addr; (u32) i < (u32) addr + size16Aling; i += 16) | |
192 | printk("0x%08x: %08x %08x %08x %08x\r\n", | |
193 | (u32) i, | |
194 | *((u32 *) (i)), | |
195 | *((u32 *) (i + 4)), | |
196 | *((u32 *) (i + 8)), *((u32 *) (i + 12))); | |
197 | if (notAlign == 1) | |
198 | printk("0x%08x: ", (u32) i); | |
199 | for (; (u32) i < (u32) addr + size4Aling; i += 4) | |
200 | printk("%08x ", *((u32 *) (i))); | |
201 | for (; (u32) i < (u32) addr + size; i++) | |
64699336 | 202 | printk("%02x", *((i))); |
ce973b14 LY |
203 | if (notAlign == 1) |
204 | printk("\r\n"); | |
205 | } | |
206 | #endif /* DEBUG */ | |
207 | ||
ce973b14 LY |
208 | static struct list_head *dequeue(struct list_head *lh) |
209 | { | |
210 | unsigned long flags; | |
211 | ||
1083cfe1 | 212 | spin_lock_irqsave(&ugeth_lock, flags); |
ce973b14 LY |
213 | if (!list_empty(lh)) { |
214 | struct list_head *node = lh->next; | |
215 | list_del(node); | |
1083cfe1 | 216 | spin_unlock_irqrestore(&ugeth_lock, flags); |
ce973b14 LY |
217 | return node; |
218 | } else { | |
1083cfe1 | 219 | spin_unlock_irqrestore(&ugeth_lock, flags); |
ce973b14 LY |
220 | return NULL; |
221 | } | |
222 | } | |
223 | ||
6fee40e9 AF |
224 | static struct sk_buff *get_new_skb(struct ucc_geth_private *ugeth, |
225 | u8 __iomem *bd) | |
ce973b14 | 226 | { |
acb600de | 227 | struct sk_buff *skb; |
ce973b14 | 228 | |
acb600de ED |
229 | skb = netdev_alloc_skb(ugeth->ndev, |
230 | ugeth->ug_info->uf_info.max_rx_buf_length + | |
231 | UCC_GETH_RX_DATA_BUF_ALIGNMENT); | |
50f238fd | 232 | if (!skb) |
ce973b14 LY |
233 | return NULL; |
234 | ||
235 | /* We need the data buffer to be aligned properly. We will reserve | |
236 | * as many bytes as needed to align the data properly | |
237 | */ | |
238 | skb_reserve(skb, | |
239 | UCC_GETH_RX_DATA_BUF_ALIGNMENT - | |
240 | (((unsigned)skb->data) & (UCC_GETH_RX_DATA_BUF_ALIGNMENT - | |
241 | 1))); | |
242 | ||
6fee40e9 | 243 | out_be32(&((struct qe_bd __iomem *)bd)->buf, |
da1aa63e | 244 | dma_map_single(ugeth->dev, |
ce973b14 LY |
245 | skb->data, |
246 | ugeth->ug_info->uf_info.max_rx_buf_length + | |
247 | UCC_GETH_RX_DATA_BUF_ALIGNMENT, | |
248 | DMA_FROM_DEVICE)); | |
249 | ||
6fee40e9 AF |
250 | out_be32((u32 __iomem *)bd, |
251 | (R_E | R_I | (in_be32((u32 __iomem*)bd) & R_W))); | |
ce973b14 LY |
252 | |
253 | return skb; | |
254 | } | |
255 | ||
18a8e864 | 256 | static int rx_bd_buffer_set(struct ucc_geth_private *ugeth, u8 rxQ) |
ce973b14 | 257 | { |
6fee40e9 | 258 | u8 __iomem *bd; |
ce973b14 LY |
259 | u32 bd_status; |
260 | struct sk_buff *skb; | |
261 | int i; | |
262 | ||
263 | bd = ugeth->p_rx_bd_ring[rxQ]; | |
264 | i = 0; | |
265 | ||
266 | do { | |
6fee40e9 | 267 | bd_status = in_be32((u32 __iomem *)bd); |
ce973b14 LY |
268 | skb = get_new_skb(ugeth, bd); |
269 | ||
270 | if (!skb) /* If can not allocate data buffer, | |
271 | abort. Cleanup will be elsewhere */ | |
272 | return -ENOMEM; | |
273 | ||
274 | ugeth->rx_skbuff[rxQ][i] = skb; | |
275 | ||
276 | /* advance the BD pointer */ | |
18a8e864 | 277 | bd += sizeof(struct qe_bd); |
ce973b14 LY |
278 | i++; |
279 | } while (!(bd_status & R_W)); | |
280 | ||
281 | return 0; | |
282 | } | |
283 | ||
18a8e864 | 284 | static int fill_init_enet_entries(struct ucc_geth_private *ugeth, |
6fee40e9 | 285 | u32 *p_start, |
ce973b14 LY |
286 | u8 num_entries, |
287 | u32 thread_size, | |
288 | u32 thread_alignment, | |
345f8422 | 289 | unsigned int risc, |
ce973b14 LY |
290 | int skip_page_for_first_entry) |
291 | { | |
292 | u32 init_enet_offset; | |
293 | u8 i; | |
294 | int snum; | |
295 | ||
296 | for (i = 0; i < num_entries; i++) { | |
297 | if ((snum = qe_get_snum()) < 0) { | |
890de95e | 298 | if (netif_msg_ifup(ugeth)) |
c84d8055 | 299 | pr_err("Can not get SNUM\n"); |
ce973b14 LY |
300 | return snum; |
301 | } | |
302 | if ((i == 0) && skip_page_for_first_entry) | |
303 | /* First entry of Rx does not have page */ | |
304 | init_enet_offset = 0; | |
305 | else { | |
306 | init_enet_offset = | |
307 | qe_muram_alloc(thread_size, thread_alignment); | |
4c35630c | 308 | if (IS_ERR_VALUE(init_enet_offset)) { |
890de95e | 309 | if (netif_msg_ifup(ugeth)) |
c84d8055 | 310 | pr_err("Can not allocate DPRAM memory\n"); |
ce973b14 LY |
311 | qe_put_snum((u8) snum); |
312 | return -ENOMEM; | |
313 | } | |
314 | } | |
315 | *(p_start++) = | |
316 | ((u8) snum << ENET_INIT_PARAM_SNUM_SHIFT) | init_enet_offset | |
317 | | risc; | |
318 | } | |
319 | ||
320 | return 0; | |
321 | } | |
322 | ||
18a8e864 | 323 | static int return_init_enet_entries(struct ucc_geth_private *ugeth, |
6fee40e9 | 324 | u32 *p_start, |
ce973b14 | 325 | u8 num_entries, |
345f8422 | 326 | unsigned int risc, |
ce973b14 LY |
327 | int skip_page_for_first_entry) |
328 | { | |
329 | u32 init_enet_offset; | |
330 | u8 i; | |
331 | int snum; | |
332 | ||
333 | for (i = 0; i < num_entries; i++) { | |
6fee40e9 AF |
334 | u32 val = *p_start; |
335 | ||
ce973b14 LY |
336 | /* Check that this entry was actually valid -- |
337 | needed in case failed in allocations */ | |
6fee40e9 | 338 | if ((val & ENET_INIT_PARAM_RISC_MASK) == risc) { |
ce973b14 | 339 | snum = |
6fee40e9 | 340 | (u32) (val & ENET_INIT_PARAM_SNUM_MASK) >> |
ce973b14 LY |
341 | ENET_INIT_PARAM_SNUM_SHIFT; |
342 | qe_put_snum((u8) snum); | |
343 | if (!((i == 0) && skip_page_for_first_entry)) { | |
344 | /* First entry of Rx does not have page */ | |
345 | init_enet_offset = | |
6fee40e9 | 346 | (val & ENET_INIT_PARAM_PTR_MASK); |
ce973b14 LY |
347 | qe_muram_free(init_enet_offset); |
348 | } | |
6fee40e9 | 349 | *p_start++ = 0; |
ce973b14 LY |
350 | } |
351 | } | |
352 | ||
353 | return 0; | |
354 | } | |
355 | ||
356 | #ifdef DEBUG | |
18a8e864 | 357 | static int dump_init_enet_entries(struct ucc_geth_private *ugeth, |
6fee40e9 | 358 | u32 __iomem *p_start, |
ce973b14 LY |
359 | u8 num_entries, |
360 | u32 thread_size, | |
345f8422 | 361 | unsigned int risc, |
ce973b14 LY |
362 | int skip_page_for_first_entry) |
363 | { | |
364 | u32 init_enet_offset; | |
365 | u8 i; | |
366 | int snum; | |
367 | ||
368 | for (i = 0; i < num_entries; i++) { | |
6fee40e9 AF |
369 | u32 val = in_be32(p_start); |
370 | ||
ce973b14 LY |
371 | /* Check that this entry was actually valid -- |
372 | needed in case failed in allocations */ | |
6fee40e9 | 373 | if ((val & ENET_INIT_PARAM_RISC_MASK) == risc) { |
ce973b14 | 374 | snum = |
6fee40e9 | 375 | (u32) (val & ENET_INIT_PARAM_SNUM_MASK) >> |
ce973b14 LY |
376 | ENET_INIT_PARAM_SNUM_SHIFT; |
377 | qe_put_snum((u8) snum); | |
378 | if (!((i == 0) && skip_page_for_first_entry)) { | |
379 | /* First entry of Rx does not have page */ | |
380 | init_enet_offset = | |
381 | (in_be32(p_start) & | |
382 | ENET_INIT_PARAM_PTR_MASK); | |
c84d8055 JP |
383 | pr_info("Init enet entry %d:\n", i); |
384 | pr_info("Base address: 0x%08x\n", | |
385 | (u32)qe_muram_addr(init_enet_offset)); | |
ce973b14 LY |
386 | mem_disp(qe_muram_addr(init_enet_offset), |
387 | thread_size); | |
388 | } | |
389 | p_start++; | |
390 | } | |
391 | } | |
392 | ||
393 | return 0; | |
394 | } | |
395 | #endif | |
396 | ||
18a8e864 | 397 | static void put_enet_addr_container(struct enet_addr_container *enet_addr_cont) |
ce973b14 LY |
398 | { |
399 | kfree(enet_addr_cont); | |
400 | } | |
401 | ||
df19b6b0 | 402 | static void set_mac_addr(__be16 __iomem *reg, u8 *mac) |
18a8e864 LY |
403 | { |
404 | out_be16(®[0], ((u16)mac[5] << 8) | mac[4]); | |
405 | out_be16(®[1], ((u16)mac[3] << 8) | mac[2]); | |
406 | out_be16(®[2], ((u16)mac[1] << 8) | mac[0]); | |
407 | } | |
408 | ||
18a8e864 | 409 | static int hw_clear_addr_in_paddr(struct ucc_geth_private *ugeth, u8 paddr_num) |
ce973b14 | 410 | { |
6fee40e9 | 411 | struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt; |
ce973b14 | 412 | |
c84d8055 JP |
413 | if (paddr_num >= NUM_OF_PADDRS) { |
414 | pr_warn("%s: Invalid paddr_num: %u\n", __func__, paddr_num); | |
ce973b14 LY |
415 | return -EINVAL; |
416 | } | |
417 | ||
418 | p_82xx_addr_filt = | |
6fee40e9 | 419 | (struct ucc_geth_82xx_address_filtering_pram __iomem *) ugeth->p_rx_glbl_pram-> |
ce973b14 LY |
420 | addressfiltering; |
421 | ||
422 | /* Writing address ff.ff.ff.ff.ff.ff disables address | |
423 | recognition for this register */ | |
424 | out_be16(&p_82xx_addr_filt->paddr[paddr_num].h, 0xffff); | |
425 | out_be16(&p_82xx_addr_filt->paddr[paddr_num].m, 0xffff); | |
426 | out_be16(&p_82xx_addr_filt->paddr[paddr_num].l, 0xffff); | |
427 | ||
428 | return 0; | |
429 | } | |
430 | ||
18a8e864 LY |
431 | static void hw_add_addr_in_hash(struct ucc_geth_private *ugeth, |
432 | u8 *p_enet_addr) | |
ce973b14 | 433 | { |
6fee40e9 | 434 | struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt; |
ce973b14 LY |
435 | u32 cecr_subblock; |
436 | ||
437 | p_82xx_addr_filt = | |
6fee40e9 | 438 | (struct ucc_geth_82xx_address_filtering_pram __iomem *) ugeth->p_rx_glbl_pram-> |
ce973b14 LY |
439 | addressfiltering; |
440 | ||
441 | cecr_subblock = | |
442 | ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num); | |
443 | ||
444 | /* Ethernet frames are defined in Little Endian mode, | |
3ad2f3fb | 445 | therefore to insert */ |
ce973b14 | 446 | /* the address to the hash (Big Endian mode), we reverse the bytes.*/ |
18a8e864 LY |
447 | |
448 | set_mac_addr(&p_82xx_addr_filt->taddr.h, p_enet_addr); | |
ce973b14 LY |
449 | |
450 | qe_issue_cmd(QE_SET_GROUP_ADDRESS, cecr_subblock, | |
18a8e864 | 451 | QE_CR_PROTOCOL_ETHERNET, 0); |
ce973b14 LY |
452 | } |
453 | ||
ce973b14 | 454 | #ifdef DEBUG |
18a8e864 LY |
455 | static void get_statistics(struct ucc_geth_private *ugeth, |
456 | struct ucc_geth_tx_firmware_statistics * | |
ce973b14 | 457 | tx_firmware_statistics, |
18a8e864 | 458 | struct ucc_geth_rx_firmware_statistics * |
ce973b14 | 459 | rx_firmware_statistics, |
18a8e864 | 460 | struct ucc_geth_hardware_statistics *hardware_statistics) |
ce973b14 | 461 | { |
6fee40e9 AF |
462 | struct ucc_fast __iomem *uf_regs; |
463 | struct ucc_geth __iomem *ug_regs; | |
18a8e864 LY |
464 | struct ucc_geth_tx_firmware_statistics_pram *p_tx_fw_statistics_pram; |
465 | struct ucc_geth_rx_firmware_statistics_pram *p_rx_fw_statistics_pram; | |
ce973b14 LY |
466 | |
467 | ug_regs = ugeth->ug_regs; | |
6fee40e9 | 468 | uf_regs = (struct ucc_fast __iomem *) ug_regs; |
ce973b14 LY |
469 | p_tx_fw_statistics_pram = ugeth->p_tx_fw_statistics_pram; |
470 | p_rx_fw_statistics_pram = ugeth->p_rx_fw_statistics_pram; | |
471 | ||
472 | /* Tx firmware only if user handed pointer and driver actually | |
473 | gathers Tx firmware statistics */ | |
474 | if (tx_firmware_statistics && p_tx_fw_statistics_pram) { | |
475 | tx_firmware_statistics->sicoltx = | |
476 | in_be32(&p_tx_fw_statistics_pram->sicoltx); | |
477 | tx_firmware_statistics->mulcoltx = | |
478 | in_be32(&p_tx_fw_statistics_pram->mulcoltx); | |
479 | tx_firmware_statistics->latecoltxfr = | |
480 | in_be32(&p_tx_fw_statistics_pram->latecoltxfr); | |
481 | tx_firmware_statistics->frabortduecol = | |
482 | in_be32(&p_tx_fw_statistics_pram->frabortduecol); | |
483 | tx_firmware_statistics->frlostinmactxer = | |
484 | in_be32(&p_tx_fw_statistics_pram->frlostinmactxer); | |
485 | tx_firmware_statistics->carriersenseertx = | |
486 | in_be32(&p_tx_fw_statistics_pram->carriersenseertx); | |
487 | tx_firmware_statistics->frtxok = | |
488 | in_be32(&p_tx_fw_statistics_pram->frtxok); | |
489 | tx_firmware_statistics->txfrexcessivedefer = | |
490 | in_be32(&p_tx_fw_statistics_pram->txfrexcessivedefer); | |
491 | tx_firmware_statistics->txpkts256 = | |
492 | in_be32(&p_tx_fw_statistics_pram->txpkts256); | |
493 | tx_firmware_statistics->txpkts512 = | |
494 | in_be32(&p_tx_fw_statistics_pram->txpkts512); | |
495 | tx_firmware_statistics->txpkts1024 = | |
496 | in_be32(&p_tx_fw_statistics_pram->txpkts1024); | |
497 | tx_firmware_statistics->txpktsjumbo = | |
498 | in_be32(&p_tx_fw_statistics_pram->txpktsjumbo); | |
499 | } | |
500 | ||
501 | /* Rx firmware only if user handed pointer and driver actually | |
502 | * gathers Rx firmware statistics */ | |
503 | if (rx_firmware_statistics && p_rx_fw_statistics_pram) { | |
504 | int i; | |
505 | rx_firmware_statistics->frrxfcser = | |
506 | in_be32(&p_rx_fw_statistics_pram->frrxfcser); | |
507 | rx_firmware_statistics->fraligner = | |
508 | in_be32(&p_rx_fw_statistics_pram->fraligner); | |
509 | rx_firmware_statistics->inrangelenrxer = | |
510 | in_be32(&p_rx_fw_statistics_pram->inrangelenrxer); | |
511 | rx_firmware_statistics->outrangelenrxer = | |
512 | in_be32(&p_rx_fw_statistics_pram->outrangelenrxer); | |
513 | rx_firmware_statistics->frtoolong = | |
514 | in_be32(&p_rx_fw_statistics_pram->frtoolong); | |
515 | rx_firmware_statistics->runt = | |
516 | in_be32(&p_rx_fw_statistics_pram->runt); | |
517 | rx_firmware_statistics->verylongevent = | |
518 | in_be32(&p_rx_fw_statistics_pram->verylongevent); | |
519 | rx_firmware_statistics->symbolerror = | |
520 | in_be32(&p_rx_fw_statistics_pram->symbolerror); | |
521 | rx_firmware_statistics->dropbsy = | |
522 | in_be32(&p_rx_fw_statistics_pram->dropbsy); | |
523 | for (i = 0; i < 0x8; i++) | |
524 | rx_firmware_statistics->res0[i] = | |
525 | p_rx_fw_statistics_pram->res0[i]; | |
526 | rx_firmware_statistics->mismatchdrop = | |
527 | in_be32(&p_rx_fw_statistics_pram->mismatchdrop); | |
528 | rx_firmware_statistics->underpkts = | |
529 | in_be32(&p_rx_fw_statistics_pram->underpkts); | |
530 | rx_firmware_statistics->pkts256 = | |
531 | in_be32(&p_rx_fw_statistics_pram->pkts256); | |
532 | rx_firmware_statistics->pkts512 = | |
533 | in_be32(&p_rx_fw_statistics_pram->pkts512); | |
534 | rx_firmware_statistics->pkts1024 = | |
535 | in_be32(&p_rx_fw_statistics_pram->pkts1024); | |
536 | rx_firmware_statistics->pktsjumbo = | |
537 | in_be32(&p_rx_fw_statistics_pram->pktsjumbo); | |
538 | rx_firmware_statistics->frlossinmacer = | |
539 | in_be32(&p_rx_fw_statistics_pram->frlossinmacer); | |
540 | rx_firmware_statistics->pausefr = | |
541 | in_be32(&p_rx_fw_statistics_pram->pausefr); | |
542 | for (i = 0; i < 0x4; i++) | |
543 | rx_firmware_statistics->res1[i] = | |
544 | p_rx_fw_statistics_pram->res1[i]; | |
545 | rx_firmware_statistics->removevlan = | |
546 | in_be32(&p_rx_fw_statistics_pram->removevlan); | |
547 | rx_firmware_statistics->replacevlan = | |
548 | in_be32(&p_rx_fw_statistics_pram->replacevlan); | |
549 | rx_firmware_statistics->insertvlan = | |
550 | in_be32(&p_rx_fw_statistics_pram->insertvlan); | |
551 | } | |
552 | ||
553 | /* Hardware only if user handed pointer and driver actually | |
554 | gathers hardware statistics */ | |
3bc53427 TT |
555 | if (hardware_statistics && |
556 | (in_be32(&uf_regs->upsmr) & UCC_GETH_UPSMR_HSE)) { | |
ce973b14 LY |
557 | hardware_statistics->tx64 = in_be32(&ug_regs->tx64); |
558 | hardware_statistics->tx127 = in_be32(&ug_regs->tx127); | |
559 | hardware_statistics->tx255 = in_be32(&ug_regs->tx255); | |
560 | hardware_statistics->rx64 = in_be32(&ug_regs->rx64); | |
561 | hardware_statistics->rx127 = in_be32(&ug_regs->rx127); | |
562 | hardware_statistics->rx255 = in_be32(&ug_regs->rx255); | |
563 | hardware_statistics->txok = in_be32(&ug_regs->txok); | |
564 | hardware_statistics->txcf = in_be16(&ug_regs->txcf); | |
565 | hardware_statistics->tmca = in_be32(&ug_regs->tmca); | |
566 | hardware_statistics->tbca = in_be32(&ug_regs->tbca); | |
567 | hardware_statistics->rxfok = in_be32(&ug_regs->rxfok); | |
568 | hardware_statistics->rxbok = in_be32(&ug_regs->rxbok); | |
569 | hardware_statistics->rbyt = in_be32(&ug_regs->rbyt); | |
570 | hardware_statistics->rmca = in_be32(&ug_regs->rmca); | |
571 | hardware_statistics->rbca = in_be32(&ug_regs->rbca); | |
572 | } | |
573 | } | |
574 | ||
18a8e864 | 575 | static void dump_bds(struct ucc_geth_private *ugeth) |
ce973b14 LY |
576 | { |
577 | int i; | |
578 | int length; | |
579 | ||
53f49d86 | 580 | for (i = 0; i < ucc_geth_tx_queues(ugeth->ug_info); i++) { |
ce973b14 LY |
581 | if (ugeth->p_tx_bd_ring[i]) { |
582 | length = | |
583 | (ugeth->ug_info->bdRingLenTx[i] * | |
18a8e864 | 584 | sizeof(struct qe_bd)); |
c84d8055 | 585 | pr_info("TX BDs[%d]\n", i); |
ce973b14 LY |
586 | mem_disp(ugeth->p_tx_bd_ring[i], length); |
587 | } | |
588 | } | |
53f49d86 | 589 | for (i = 0; i < ucc_geth_rx_queues(ugeth->ug_info); i++) { |
ce973b14 LY |
590 | if (ugeth->p_rx_bd_ring[i]) { |
591 | length = | |
592 | (ugeth->ug_info->bdRingLenRx[i] * | |
18a8e864 | 593 | sizeof(struct qe_bd)); |
c84d8055 | 594 | pr_info("RX BDs[%d]\n", i); |
ce973b14 LY |
595 | mem_disp(ugeth->p_rx_bd_ring[i], length); |
596 | } | |
597 | } | |
598 | } | |
599 | ||
18a8e864 | 600 | static void dump_regs(struct ucc_geth_private *ugeth) |
ce973b14 LY |
601 | { |
602 | int i; | |
603 | ||
c84d8055 JP |
604 | pr_info("UCC%d Geth registers:\n", ugeth->ug_info->uf_info.ucc_num + 1); |
605 | pr_info("Base address: 0x%08x\n", (u32)ugeth->ug_regs); | |
606 | ||
607 | pr_info("maccfg1 : addr - 0x%08x, val - 0x%08x\n", | |
608 | (u32)&ugeth->ug_regs->maccfg1, | |
609 | in_be32(&ugeth->ug_regs->maccfg1)); | |
610 | pr_info("maccfg2 : addr - 0x%08x, val - 0x%08x\n", | |
611 | (u32)&ugeth->ug_regs->maccfg2, | |
612 | in_be32(&ugeth->ug_regs->maccfg2)); | |
613 | pr_info("ipgifg : addr - 0x%08x, val - 0x%08x\n", | |
614 | (u32)&ugeth->ug_regs->ipgifg, | |
615 | in_be32(&ugeth->ug_regs->ipgifg)); | |
616 | pr_info("hafdup : addr - 0x%08x, val - 0x%08x\n", | |
617 | (u32)&ugeth->ug_regs->hafdup, | |
618 | in_be32(&ugeth->ug_regs->hafdup)); | |
619 | pr_info("ifctl : addr - 0x%08x, val - 0x%08x\n", | |
620 | (u32)&ugeth->ug_regs->ifctl, | |
621 | in_be32(&ugeth->ug_regs->ifctl)); | |
622 | pr_info("ifstat : addr - 0x%08x, val - 0x%08x\n", | |
623 | (u32)&ugeth->ug_regs->ifstat, | |
624 | in_be32(&ugeth->ug_regs->ifstat)); | |
625 | pr_info("macstnaddr1: addr - 0x%08x, val - 0x%08x\n", | |
626 | (u32)&ugeth->ug_regs->macstnaddr1, | |
627 | in_be32(&ugeth->ug_regs->macstnaddr1)); | |
628 | pr_info("macstnaddr2: addr - 0x%08x, val - 0x%08x\n", | |
629 | (u32)&ugeth->ug_regs->macstnaddr2, | |
630 | in_be32(&ugeth->ug_regs->macstnaddr2)); | |
631 | pr_info("uempr : addr - 0x%08x, val - 0x%08x\n", | |
632 | (u32)&ugeth->ug_regs->uempr, | |
633 | in_be32(&ugeth->ug_regs->uempr)); | |
634 | pr_info("utbipar : addr - 0x%08x, val - 0x%08x\n", | |
635 | (u32)&ugeth->ug_regs->utbipar, | |
636 | in_be32(&ugeth->ug_regs->utbipar)); | |
637 | pr_info("uescr : addr - 0x%08x, val - 0x%04x\n", | |
638 | (u32)&ugeth->ug_regs->uescr, | |
639 | in_be16(&ugeth->ug_regs->uescr)); | |
640 | pr_info("tx64 : addr - 0x%08x, val - 0x%08x\n", | |
641 | (u32)&ugeth->ug_regs->tx64, | |
642 | in_be32(&ugeth->ug_regs->tx64)); | |
643 | pr_info("tx127 : addr - 0x%08x, val - 0x%08x\n", | |
644 | (u32)&ugeth->ug_regs->tx127, | |
645 | in_be32(&ugeth->ug_regs->tx127)); | |
646 | pr_info("tx255 : addr - 0x%08x, val - 0x%08x\n", | |
647 | (u32)&ugeth->ug_regs->tx255, | |
648 | in_be32(&ugeth->ug_regs->tx255)); | |
649 | pr_info("rx64 : addr - 0x%08x, val - 0x%08x\n", | |
650 | (u32)&ugeth->ug_regs->rx64, | |
651 | in_be32(&ugeth->ug_regs->rx64)); | |
652 | pr_info("rx127 : addr - 0x%08x, val - 0x%08x\n", | |
653 | (u32)&ugeth->ug_regs->rx127, | |
654 | in_be32(&ugeth->ug_regs->rx127)); | |
655 | pr_info("rx255 : addr - 0x%08x, val - 0x%08x\n", | |
656 | (u32)&ugeth->ug_regs->rx255, | |
657 | in_be32(&ugeth->ug_regs->rx255)); | |
658 | pr_info("txok : addr - 0x%08x, val - 0x%08x\n", | |
659 | (u32)&ugeth->ug_regs->txok, | |
660 | in_be32(&ugeth->ug_regs->txok)); | |
661 | pr_info("txcf : addr - 0x%08x, val - 0x%04x\n", | |
662 | (u32)&ugeth->ug_regs->txcf, | |
663 | in_be16(&ugeth->ug_regs->txcf)); | |
664 | pr_info("tmca : addr - 0x%08x, val - 0x%08x\n", | |
665 | (u32)&ugeth->ug_regs->tmca, | |
666 | in_be32(&ugeth->ug_regs->tmca)); | |
667 | pr_info("tbca : addr - 0x%08x, val - 0x%08x\n", | |
668 | (u32)&ugeth->ug_regs->tbca, | |
669 | in_be32(&ugeth->ug_regs->tbca)); | |
670 | pr_info("rxfok : addr - 0x%08x, val - 0x%08x\n", | |
671 | (u32)&ugeth->ug_regs->rxfok, | |
672 | in_be32(&ugeth->ug_regs->rxfok)); | |
673 | pr_info("rxbok : addr - 0x%08x, val - 0x%08x\n", | |
674 | (u32)&ugeth->ug_regs->rxbok, | |
675 | in_be32(&ugeth->ug_regs->rxbok)); | |
676 | pr_info("rbyt : addr - 0x%08x, val - 0x%08x\n", | |
677 | (u32)&ugeth->ug_regs->rbyt, | |
678 | in_be32(&ugeth->ug_regs->rbyt)); | |
679 | pr_info("rmca : addr - 0x%08x, val - 0x%08x\n", | |
680 | (u32)&ugeth->ug_regs->rmca, | |
681 | in_be32(&ugeth->ug_regs->rmca)); | |
682 | pr_info("rbca : addr - 0x%08x, val - 0x%08x\n", | |
683 | (u32)&ugeth->ug_regs->rbca, | |
684 | in_be32(&ugeth->ug_regs->rbca)); | |
685 | pr_info("scar : addr - 0x%08x, val - 0x%08x\n", | |
686 | (u32)&ugeth->ug_regs->scar, | |
687 | in_be32(&ugeth->ug_regs->scar)); | |
688 | pr_info("scam : addr - 0x%08x, val - 0x%08x\n", | |
689 | (u32)&ugeth->ug_regs->scam, | |
690 | in_be32(&ugeth->ug_regs->scam)); | |
ce973b14 LY |
691 | |
692 | if (ugeth->p_thread_data_tx) { | |
634b5bd7 | 693 | int count = ucc_geth_thread_count(ugeth->ug_info->numThreadsTx); |
ce973b14 | 694 | |
c84d8055 JP |
695 | pr_info("Thread data TXs:\n"); |
696 | pr_info("Base address: 0x%08x\n", | |
697 | (u32)ugeth->p_thread_data_tx); | |
634b5bd7 | 698 | for (i = 0; i < count; i++) { |
c84d8055 JP |
699 | pr_info("Thread data TX[%d]:\n", i); |
700 | pr_info("Base address: 0x%08x\n", | |
701 | (u32)&ugeth->p_thread_data_tx[i]); | |
ce973b14 | 702 | mem_disp((u8 *) & ugeth->p_thread_data_tx[i], |
18a8e864 | 703 | sizeof(struct ucc_geth_thread_data_tx)); |
ce973b14 LY |
704 | } |
705 | } | |
706 | if (ugeth->p_thread_data_rx) { | |
634b5bd7 | 707 | int count = ucc_geth_thread_count(ugeth->ug_info->numThreadsRx); |
ce973b14 | 708 | |
c84d8055 JP |
709 | pr_info("Thread data RX:\n"); |
710 | pr_info("Base address: 0x%08x\n", | |
711 | (u32)ugeth->p_thread_data_rx); | |
634b5bd7 | 712 | for (i = 0; i < count; i++) { |
c84d8055 JP |
713 | pr_info("Thread data RX[%d]:\n", i); |
714 | pr_info("Base address: 0x%08x\n", | |
715 | (u32)&ugeth->p_thread_data_rx[i]); | |
ce973b14 | 716 | mem_disp((u8 *) & ugeth->p_thread_data_rx[i], |
18a8e864 | 717 | sizeof(struct ucc_geth_thread_data_rx)); |
ce973b14 LY |
718 | } |
719 | } | |
720 | if (ugeth->p_exf_glbl_param) { | |
c84d8055 JP |
721 | pr_info("EXF global param:\n"); |
722 | pr_info("Base address: 0x%08x\n", | |
723 | (u32)ugeth->p_exf_glbl_param); | |
ce973b14 LY |
724 | mem_disp((u8 *) ugeth->p_exf_glbl_param, |
725 | sizeof(*ugeth->p_exf_glbl_param)); | |
726 | } | |
727 | if (ugeth->p_tx_glbl_pram) { | |
c84d8055 JP |
728 | pr_info("TX global param:\n"); |
729 | pr_info("Base address: 0x%08x\n", (u32)ugeth->p_tx_glbl_pram); | |
730 | pr_info("temoder : addr - 0x%08x, val - 0x%04x\n", | |
731 | (u32)&ugeth->p_tx_glbl_pram->temoder, | |
732 | in_be16(&ugeth->p_tx_glbl_pram->temoder)); | |
733 | pr_info("sqptr : addr - 0x%08x, val - 0x%08x\n", | |
734 | (u32)&ugeth->p_tx_glbl_pram->sqptr, | |
735 | in_be32(&ugeth->p_tx_glbl_pram->sqptr)); | |
736 | pr_info("schedulerbasepointer: addr - 0x%08x, val - 0x%08x\n", | |
737 | (u32)&ugeth->p_tx_glbl_pram->schedulerbasepointer, | |
738 | in_be32(&ugeth->p_tx_glbl_pram->schedulerbasepointer)); | |
739 | pr_info("txrmonbaseptr: addr - 0x%08x, val - 0x%08x\n", | |
740 | (u32)&ugeth->p_tx_glbl_pram->txrmonbaseptr, | |
741 | in_be32(&ugeth->p_tx_glbl_pram->txrmonbaseptr)); | |
742 | pr_info("tstate : addr - 0x%08x, val - 0x%08x\n", | |
743 | (u32)&ugeth->p_tx_glbl_pram->tstate, | |
744 | in_be32(&ugeth->p_tx_glbl_pram->tstate)); | |
745 | pr_info("iphoffset[0] : addr - 0x%08x, val - 0x%02x\n", | |
746 | (u32)&ugeth->p_tx_glbl_pram->iphoffset[0], | |
747 | ugeth->p_tx_glbl_pram->iphoffset[0]); | |
748 | pr_info("iphoffset[1] : addr - 0x%08x, val - 0x%02x\n", | |
749 | (u32)&ugeth->p_tx_glbl_pram->iphoffset[1], | |
750 | ugeth->p_tx_glbl_pram->iphoffset[1]); | |
751 | pr_info("iphoffset[2] : addr - 0x%08x, val - 0x%02x\n", | |
752 | (u32)&ugeth->p_tx_glbl_pram->iphoffset[2], | |
753 | ugeth->p_tx_glbl_pram->iphoffset[2]); | |
754 | pr_info("iphoffset[3] : addr - 0x%08x, val - 0x%02x\n", | |
755 | (u32)&ugeth->p_tx_glbl_pram->iphoffset[3], | |
756 | ugeth->p_tx_glbl_pram->iphoffset[3]); | |
757 | pr_info("iphoffset[4] : addr - 0x%08x, val - 0x%02x\n", | |
758 | (u32)&ugeth->p_tx_glbl_pram->iphoffset[4], | |
759 | ugeth->p_tx_glbl_pram->iphoffset[4]); | |
760 | pr_info("iphoffset[5] : addr - 0x%08x, val - 0x%02x\n", | |
761 | (u32)&ugeth->p_tx_glbl_pram->iphoffset[5], | |
762 | ugeth->p_tx_glbl_pram->iphoffset[5]); | |
763 | pr_info("iphoffset[6] : addr - 0x%08x, val - 0x%02x\n", | |
764 | (u32)&ugeth->p_tx_glbl_pram->iphoffset[6], | |
765 | ugeth->p_tx_glbl_pram->iphoffset[6]); | |
766 | pr_info("iphoffset[7] : addr - 0x%08x, val - 0x%02x\n", | |
767 | (u32)&ugeth->p_tx_glbl_pram->iphoffset[7], | |
768 | ugeth->p_tx_glbl_pram->iphoffset[7]); | |
769 | pr_info("vtagtable[0] : addr - 0x%08x, val - 0x%08x\n", | |
770 | (u32)&ugeth->p_tx_glbl_pram->vtagtable[0], | |
771 | in_be32(&ugeth->p_tx_glbl_pram->vtagtable[0])); | |
772 | pr_info("vtagtable[1] : addr - 0x%08x, val - 0x%08x\n", | |
773 | (u32)&ugeth->p_tx_glbl_pram->vtagtable[1], | |
774 | in_be32(&ugeth->p_tx_glbl_pram->vtagtable[1])); | |
775 | pr_info("vtagtable[2] : addr - 0x%08x, val - 0x%08x\n", | |
776 | (u32)&ugeth->p_tx_glbl_pram->vtagtable[2], | |
777 | in_be32(&ugeth->p_tx_glbl_pram->vtagtable[2])); | |
778 | pr_info("vtagtable[3] : addr - 0x%08x, val - 0x%08x\n", | |
779 | (u32)&ugeth->p_tx_glbl_pram->vtagtable[3], | |
780 | in_be32(&ugeth->p_tx_glbl_pram->vtagtable[3])); | |
781 | pr_info("vtagtable[4] : addr - 0x%08x, val - 0x%08x\n", | |
782 | (u32)&ugeth->p_tx_glbl_pram->vtagtable[4], | |
783 | in_be32(&ugeth->p_tx_glbl_pram->vtagtable[4])); | |
784 | pr_info("vtagtable[5] : addr - 0x%08x, val - 0x%08x\n", | |
785 | (u32)&ugeth->p_tx_glbl_pram->vtagtable[5], | |
786 | in_be32(&ugeth->p_tx_glbl_pram->vtagtable[5])); | |
787 | pr_info("vtagtable[6] : addr - 0x%08x, val - 0x%08x\n", | |
788 | (u32)&ugeth->p_tx_glbl_pram->vtagtable[6], | |
789 | in_be32(&ugeth->p_tx_glbl_pram->vtagtable[6])); | |
790 | pr_info("vtagtable[7] : addr - 0x%08x, val - 0x%08x\n", | |
791 | (u32)&ugeth->p_tx_glbl_pram->vtagtable[7], | |
792 | in_be32(&ugeth->p_tx_glbl_pram->vtagtable[7])); | |
793 | pr_info("tqptr : addr - 0x%08x, val - 0x%08x\n", | |
794 | (u32)&ugeth->p_tx_glbl_pram->tqptr, | |
795 | in_be32(&ugeth->p_tx_glbl_pram->tqptr)); | |
ce973b14 LY |
796 | } |
797 | if (ugeth->p_rx_glbl_pram) { | |
c84d8055 JP |
798 | pr_info("RX global param:\n"); |
799 | pr_info("Base address: 0x%08x\n", (u32)ugeth->p_rx_glbl_pram); | |
800 | pr_info("remoder : addr - 0x%08x, val - 0x%08x\n", | |
801 | (u32)&ugeth->p_rx_glbl_pram->remoder, | |
802 | in_be32(&ugeth->p_rx_glbl_pram->remoder)); | |
803 | pr_info("rqptr : addr - 0x%08x, val - 0x%08x\n", | |
804 | (u32)&ugeth->p_rx_glbl_pram->rqptr, | |
805 | in_be32(&ugeth->p_rx_glbl_pram->rqptr)); | |
806 | pr_info("typeorlen : addr - 0x%08x, val - 0x%04x\n", | |
807 | (u32)&ugeth->p_rx_glbl_pram->typeorlen, | |
808 | in_be16(&ugeth->p_rx_glbl_pram->typeorlen)); | |
809 | pr_info("rxgstpack : addr - 0x%08x, val - 0x%02x\n", | |
810 | (u32)&ugeth->p_rx_glbl_pram->rxgstpack, | |
811 | ugeth->p_rx_glbl_pram->rxgstpack); | |
812 | pr_info("rxrmonbaseptr : addr - 0x%08x, val - 0x%08x\n", | |
813 | (u32)&ugeth->p_rx_glbl_pram->rxrmonbaseptr, | |
814 | in_be32(&ugeth->p_rx_glbl_pram->rxrmonbaseptr)); | |
815 | pr_info("intcoalescingptr: addr - 0x%08x, val - 0x%08x\n", | |
816 | (u32)&ugeth->p_rx_glbl_pram->intcoalescingptr, | |
817 | in_be32(&ugeth->p_rx_glbl_pram->intcoalescingptr)); | |
818 | pr_info("rstate : addr - 0x%08x, val - 0x%02x\n", | |
819 | (u32)&ugeth->p_rx_glbl_pram->rstate, | |
820 | ugeth->p_rx_glbl_pram->rstate); | |
821 | pr_info("mrblr : addr - 0x%08x, val - 0x%04x\n", | |
822 | (u32)&ugeth->p_rx_glbl_pram->mrblr, | |
823 | in_be16(&ugeth->p_rx_glbl_pram->mrblr)); | |
824 | pr_info("rbdqptr : addr - 0x%08x, val - 0x%08x\n", | |
825 | (u32)&ugeth->p_rx_glbl_pram->rbdqptr, | |
826 | in_be32(&ugeth->p_rx_glbl_pram->rbdqptr)); | |
827 | pr_info("mflr : addr - 0x%08x, val - 0x%04x\n", | |
828 | (u32)&ugeth->p_rx_glbl_pram->mflr, | |
829 | in_be16(&ugeth->p_rx_glbl_pram->mflr)); | |
830 | pr_info("minflr : addr - 0x%08x, val - 0x%04x\n", | |
831 | (u32)&ugeth->p_rx_glbl_pram->minflr, | |
832 | in_be16(&ugeth->p_rx_glbl_pram->minflr)); | |
833 | pr_info("maxd1 : addr - 0x%08x, val - 0x%04x\n", | |
834 | (u32)&ugeth->p_rx_glbl_pram->maxd1, | |
835 | in_be16(&ugeth->p_rx_glbl_pram->maxd1)); | |
836 | pr_info("maxd2 : addr - 0x%08x, val - 0x%04x\n", | |
837 | (u32)&ugeth->p_rx_glbl_pram->maxd2, | |
838 | in_be16(&ugeth->p_rx_glbl_pram->maxd2)); | |
839 | pr_info("ecamptr : addr - 0x%08x, val - 0x%08x\n", | |
840 | (u32)&ugeth->p_rx_glbl_pram->ecamptr, | |
841 | in_be32(&ugeth->p_rx_glbl_pram->ecamptr)); | |
842 | pr_info("l2qt : addr - 0x%08x, val - 0x%08x\n", | |
843 | (u32)&ugeth->p_rx_glbl_pram->l2qt, | |
844 | in_be32(&ugeth->p_rx_glbl_pram->l2qt)); | |
845 | pr_info("l3qt[0] : addr - 0x%08x, val - 0x%08x\n", | |
846 | (u32)&ugeth->p_rx_glbl_pram->l3qt[0], | |
847 | in_be32(&ugeth->p_rx_glbl_pram->l3qt[0])); | |
848 | pr_info("l3qt[1] : addr - 0x%08x, val - 0x%08x\n", | |
849 | (u32)&ugeth->p_rx_glbl_pram->l3qt[1], | |
850 | in_be32(&ugeth->p_rx_glbl_pram->l3qt[1])); | |
851 | pr_info("l3qt[2] : addr - 0x%08x, val - 0x%08x\n", | |
852 | (u32)&ugeth->p_rx_glbl_pram->l3qt[2], | |
853 | in_be32(&ugeth->p_rx_glbl_pram->l3qt[2])); | |
854 | pr_info("l3qt[3] : addr - 0x%08x, val - 0x%08x\n", | |
855 | (u32)&ugeth->p_rx_glbl_pram->l3qt[3], | |
856 | in_be32(&ugeth->p_rx_glbl_pram->l3qt[3])); | |
857 | pr_info("l3qt[4] : addr - 0x%08x, val - 0x%08x\n", | |
858 | (u32)&ugeth->p_rx_glbl_pram->l3qt[4], | |
859 | in_be32(&ugeth->p_rx_glbl_pram->l3qt[4])); | |
860 | pr_info("l3qt[5] : addr - 0x%08x, val - 0x%08x\n", | |
861 | (u32)&ugeth->p_rx_glbl_pram->l3qt[5], | |
862 | in_be32(&ugeth->p_rx_glbl_pram->l3qt[5])); | |
863 | pr_info("l3qt[6] : addr - 0x%08x, val - 0x%08x\n", | |
864 | (u32)&ugeth->p_rx_glbl_pram->l3qt[6], | |
865 | in_be32(&ugeth->p_rx_glbl_pram->l3qt[6])); | |
866 | pr_info("l3qt[7] : addr - 0x%08x, val - 0x%08x\n", | |
867 | (u32)&ugeth->p_rx_glbl_pram->l3qt[7], | |
868 | in_be32(&ugeth->p_rx_glbl_pram->l3qt[7])); | |
869 | pr_info("vlantype : addr - 0x%08x, val - 0x%04x\n", | |
870 | (u32)&ugeth->p_rx_glbl_pram->vlantype, | |
871 | in_be16(&ugeth->p_rx_glbl_pram->vlantype)); | |
872 | pr_info("vlantci : addr - 0x%08x, val - 0x%04x\n", | |
873 | (u32)&ugeth->p_rx_glbl_pram->vlantci, | |
874 | in_be16(&ugeth->p_rx_glbl_pram->vlantci)); | |
ce973b14 | 875 | for (i = 0; i < 64; i++) |
c84d8055 JP |
876 | pr_info("addressfiltering[%d]: addr - 0x%08x, val - 0x%02x\n", |
877 | i, | |
878 | (u32)&ugeth->p_rx_glbl_pram->addressfiltering[i], | |
879 | ugeth->p_rx_glbl_pram->addressfiltering[i]); | |
880 | pr_info("exfGlobalParam : addr - 0x%08x, val - 0x%08x\n", | |
881 | (u32)&ugeth->p_rx_glbl_pram->exfGlobalParam, | |
882 | in_be32(&ugeth->p_rx_glbl_pram->exfGlobalParam)); | |
ce973b14 LY |
883 | } |
884 | if (ugeth->p_send_q_mem_reg) { | |
c84d8055 JP |
885 | pr_info("Send Q memory registers:\n"); |
886 | pr_info("Base address: 0x%08x\n", (u32)ugeth->p_send_q_mem_reg); | |
53f49d86 | 887 | for (i = 0; i < ucc_geth_tx_queues(ugeth->ug_info); i++) { |
c84d8055 JP |
888 | pr_info("SQQD[%d]:\n", i); |
889 | pr_info("Base address: 0x%08x\n", | |
890 | (u32)&ugeth->p_send_q_mem_reg->sqqd[i]); | |
ce973b14 | 891 | mem_disp((u8 *) & ugeth->p_send_q_mem_reg->sqqd[i], |
18a8e864 | 892 | sizeof(struct ucc_geth_send_queue_qd)); |
ce973b14 LY |
893 | } |
894 | } | |
895 | if (ugeth->p_scheduler) { | |
c84d8055 JP |
896 | pr_info("Scheduler:\n"); |
897 | pr_info("Base address: 0x%08x\n", (u32)ugeth->p_scheduler); | |
ce973b14 LY |
898 | mem_disp((u8 *) ugeth->p_scheduler, |
899 | sizeof(*ugeth->p_scheduler)); | |
900 | } | |
901 | if (ugeth->p_tx_fw_statistics_pram) { | |
c84d8055 JP |
902 | pr_info("TX FW statistics pram:\n"); |
903 | pr_info("Base address: 0x%08x\n", | |
904 | (u32)ugeth->p_tx_fw_statistics_pram); | |
ce973b14 LY |
905 | mem_disp((u8 *) ugeth->p_tx_fw_statistics_pram, |
906 | sizeof(*ugeth->p_tx_fw_statistics_pram)); | |
907 | } | |
908 | if (ugeth->p_rx_fw_statistics_pram) { | |
c84d8055 JP |
909 | pr_info("RX FW statistics pram:\n"); |
910 | pr_info("Base address: 0x%08x\n", | |
911 | (u32)ugeth->p_rx_fw_statistics_pram); | |
ce973b14 LY |
912 | mem_disp((u8 *) ugeth->p_rx_fw_statistics_pram, |
913 | sizeof(*ugeth->p_rx_fw_statistics_pram)); | |
914 | } | |
915 | if (ugeth->p_rx_irq_coalescing_tbl) { | |
c84d8055 JP |
916 | pr_info("RX IRQ coalescing tables:\n"); |
917 | pr_info("Base address: 0x%08x\n", | |
918 | (u32)ugeth->p_rx_irq_coalescing_tbl); | |
53f49d86 | 919 | for (i = 0; i < ucc_geth_rx_queues(ugeth->ug_info); i++) { |
c84d8055 JP |
920 | pr_info("RX IRQ coalescing table entry[%d]:\n", i); |
921 | pr_info("Base address: 0x%08x\n", | |
922 | (u32)&ugeth->p_rx_irq_coalescing_tbl-> | |
923 | coalescingentry[i]); | |
924 | pr_info("interruptcoalescingmaxvalue: addr - 0x%08x, val - 0x%08x\n", | |
925 | (u32)&ugeth->p_rx_irq_coalescing_tbl-> | |
926 | coalescingentry[i].interruptcoalescingmaxvalue, | |
927 | in_be32(&ugeth->p_rx_irq_coalescing_tbl-> | |
928 | coalescingentry[i]. | |
929 | interruptcoalescingmaxvalue)); | |
930 | pr_info("interruptcoalescingcounter : addr - 0x%08x, val - 0x%08x\n", | |
931 | (u32)&ugeth->p_rx_irq_coalescing_tbl-> | |
932 | coalescingentry[i].interruptcoalescingcounter, | |
933 | in_be32(&ugeth->p_rx_irq_coalescing_tbl-> | |
934 | coalescingentry[i]. | |
935 | interruptcoalescingcounter)); | |
ce973b14 LY |
936 | } |
937 | } | |
938 | if (ugeth->p_rx_bd_qs_tbl) { | |
c84d8055 JP |
939 | pr_info("RX BD QS tables:\n"); |
940 | pr_info("Base address: 0x%08x\n", (u32)ugeth->p_rx_bd_qs_tbl); | |
53f49d86 | 941 | for (i = 0; i < ucc_geth_rx_queues(ugeth->ug_info); i++) { |
c84d8055 JP |
942 | pr_info("RX BD QS table[%d]:\n", i); |
943 | pr_info("Base address: 0x%08x\n", | |
944 | (u32)&ugeth->p_rx_bd_qs_tbl[i]); | |
945 | pr_info("bdbaseptr : addr - 0x%08x, val - 0x%08x\n", | |
946 | (u32)&ugeth->p_rx_bd_qs_tbl[i].bdbaseptr, | |
947 | in_be32(&ugeth->p_rx_bd_qs_tbl[i].bdbaseptr)); | |
948 | pr_info("bdptr : addr - 0x%08x, val - 0x%08x\n", | |
949 | (u32)&ugeth->p_rx_bd_qs_tbl[i].bdptr, | |
950 | in_be32(&ugeth->p_rx_bd_qs_tbl[i].bdptr)); | |
951 | pr_info("externalbdbaseptr: addr - 0x%08x, val - 0x%08x\n", | |
952 | (u32)&ugeth->p_rx_bd_qs_tbl[i].externalbdbaseptr, | |
953 | in_be32(&ugeth->p_rx_bd_qs_tbl[i]. | |
954 | externalbdbaseptr)); | |
955 | pr_info("externalbdptr : addr - 0x%08x, val - 0x%08x\n", | |
956 | (u32)&ugeth->p_rx_bd_qs_tbl[i].externalbdptr, | |
957 | in_be32(&ugeth->p_rx_bd_qs_tbl[i].externalbdptr)); | |
958 | pr_info("ucode RX Prefetched BDs:\n"); | |
959 | pr_info("Base address: 0x%08x\n", | |
960 | (u32)qe_muram_addr(in_be32 | |
961 | (&ugeth->p_rx_bd_qs_tbl[i]. | |
962 | bdbaseptr))); | |
ce973b14 LY |
963 | mem_disp((u8 *) |
964 | qe_muram_addr(in_be32 | |
965 | (&ugeth->p_rx_bd_qs_tbl[i]. | |
966 | bdbaseptr)), | |
18a8e864 | 967 | sizeof(struct ucc_geth_rx_prefetched_bds)); |
ce973b14 LY |
968 | } |
969 | } | |
970 | if (ugeth->p_init_enet_param_shadow) { | |
971 | int size; | |
c84d8055 JP |
972 | pr_info("Init enet param shadow:\n"); |
973 | pr_info("Base address: 0x%08x\n", | |
974 | (u32) ugeth->p_init_enet_param_shadow); | |
ce973b14 LY |
975 | mem_disp((u8 *) ugeth->p_init_enet_param_shadow, |
976 | sizeof(*ugeth->p_init_enet_param_shadow)); | |
977 | ||
18a8e864 | 978 | size = sizeof(struct ucc_geth_thread_rx_pram); |
ce973b14 LY |
979 | if (ugeth->ug_info->rxExtendedFiltering) { |
980 | size += | |
981 | THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING; | |
982 | if (ugeth->ug_info->largestexternallookupkeysize == | |
983 | QE_FLTR_TABLE_LOOKUP_KEY_SIZE_8_BYTES) | |
984 | size += | |
985 | THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_8; | |
986 | if (ugeth->ug_info->largestexternallookupkeysize == | |
987 | QE_FLTR_TABLE_LOOKUP_KEY_SIZE_16_BYTES) | |
988 | size += | |
989 | THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_16; | |
990 | } | |
991 | ||
992 | dump_init_enet_entries(ugeth, | |
993 | &(ugeth->p_init_enet_param_shadow-> | |
994 | txthread[0]), | |
995 | ENET_INIT_PARAM_MAX_ENTRIES_TX, | |
18a8e864 | 996 | sizeof(struct ucc_geth_thread_tx_pram), |
ce973b14 LY |
997 | ugeth->ug_info->riscTx, 0); |
998 | dump_init_enet_entries(ugeth, | |
999 | &(ugeth->p_init_enet_param_shadow-> | |
1000 | rxthread[0]), | |
1001 | ENET_INIT_PARAM_MAX_ENTRIES_RX, size, | |
1002 | ugeth->ug_info->riscRx, 1); | |
1003 | } | |
1004 | } | |
1005 | #endif /* DEBUG */ | |
1006 | ||
6fee40e9 AF |
1007 | static void init_default_reg_vals(u32 __iomem *upsmr_register, |
1008 | u32 __iomem *maccfg1_register, | |
1009 | u32 __iomem *maccfg2_register) | |
ce973b14 LY |
1010 | { |
1011 | out_be32(upsmr_register, UCC_GETH_UPSMR_INIT); | |
1012 | out_be32(maccfg1_register, UCC_GETH_MACCFG1_INIT); | |
1013 | out_be32(maccfg2_register, UCC_GETH_MACCFG2_INIT); | |
1014 | } | |
1015 | ||
1016 | static int init_half_duplex_params(int alt_beb, | |
1017 | int back_pressure_no_backoff, | |
1018 | int no_backoff, | |
1019 | int excess_defer, | |
1020 | u8 alt_beb_truncation, | |
1021 | u8 max_retransmissions, | |
1022 | u8 collision_window, | |
6fee40e9 | 1023 | u32 __iomem *hafdup_register) |
ce973b14 LY |
1024 | { |
1025 | u32 value = 0; | |
1026 | ||
1027 | if ((alt_beb_truncation > HALFDUP_ALT_BEB_TRUNCATION_MAX) || | |
1028 | (max_retransmissions > HALFDUP_MAX_RETRANSMISSION_MAX) || | |
1029 | (collision_window > HALFDUP_COLLISION_WINDOW_MAX)) | |
1030 | return -EINVAL; | |
1031 | ||
1032 | value = (u32) (alt_beb_truncation << HALFDUP_ALT_BEB_TRUNCATION_SHIFT); | |
1033 | ||
1034 | if (alt_beb) | |
1035 | value |= HALFDUP_ALT_BEB; | |
1036 | if (back_pressure_no_backoff) | |
1037 | value |= HALFDUP_BACK_PRESSURE_NO_BACKOFF; | |
1038 | if (no_backoff) | |
1039 | value |= HALFDUP_NO_BACKOFF; | |
1040 | if (excess_defer) | |
1041 | value |= HALFDUP_EXCESSIVE_DEFER; | |
1042 | ||
1043 | value |= (max_retransmissions << HALFDUP_MAX_RETRANSMISSION_SHIFT); | |
1044 | ||
1045 | value |= collision_window; | |
1046 | ||
1047 | out_be32(hafdup_register, value); | |
1048 | return 0; | |
1049 | } | |
1050 | ||
1051 | static int init_inter_frame_gap_params(u8 non_btb_cs_ipg, | |
1052 | u8 non_btb_ipg, | |
1053 | u8 min_ifg, | |
1054 | u8 btb_ipg, | |
6fee40e9 | 1055 | u32 __iomem *ipgifg_register) |
ce973b14 LY |
1056 | { |
1057 | u32 value = 0; | |
1058 | ||
1059 | /* Non-Back-to-back IPG part 1 should be <= Non-Back-to-back | |
1060 | IPG part 2 */ | |
1061 | if (non_btb_cs_ipg > non_btb_ipg) | |
1062 | return -EINVAL; | |
1063 | ||
1064 | if ((non_btb_cs_ipg > IPGIFG_NON_BACK_TO_BACK_IFG_PART1_MAX) || | |
1065 | (non_btb_ipg > IPGIFG_NON_BACK_TO_BACK_IFG_PART2_MAX) || | |
1066 | /*(min_ifg > IPGIFG_MINIMUM_IFG_ENFORCEMENT_MAX) || */ | |
1067 | (btb_ipg > IPGIFG_BACK_TO_BACK_IFG_MAX)) | |
1068 | return -EINVAL; | |
1069 | ||
1070 | value |= | |
1071 | ((non_btb_cs_ipg << IPGIFG_NON_BACK_TO_BACK_IFG_PART1_SHIFT) & | |
1072 | IPGIFG_NBTB_CS_IPG_MASK); | |
1073 | value |= | |
1074 | ((non_btb_ipg << IPGIFG_NON_BACK_TO_BACK_IFG_PART2_SHIFT) & | |
1075 | IPGIFG_NBTB_IPG_MASK); | |
1076 | value |= | |
1077 | ((min_ifg << IPGIFG_MINIMUM_IFG_ENFORCEMENT_SHIFT) & | |
1078 | IPGIFG_MIN_IFG_MASK); | |
1079 | value |= (btb_ipg & IPGIFG_BTB_IPG_MASK); | |
1080 | ||
1081 | out_be32(ipgifg_register, value); | |
1082 | return 0; | |
1083 | } | |
1084 | ||
ac421852 | 1085 | int init_flow_control_params(u32 automatic_flow_control_mode, |
ce973b14 LY |
1086 | int rx_flow_control_enable, |
1087 | int tx_flow_control_enable, | |
1088 | u16 pause_period, | |
1089 | u16 extension_field, | |
6fee40e9 AF |
1090 | u32 __iomem *upsmr_register, |
1091 | u32 __iomem *uempr_register, | |
1092 | u32 __iomem *maccfg1_register) | |
ce973b14 LY |
1093 | { |
1094 | u32 value = 0; | |
1095 | ||
1096 | /* Set UEMPR register */ | |
1097 | value = (u32) pause_period << UEMPR_PAUSE_TIME_VALUE_SHIFT; | |
1098 | value |= (u32) extension_field << UEMPR_EXTENDED_PAUSE_TIME_VALUE_SHIFT; | |
1099 | out_be32(uempr_register, value); | |
1100 | ||
1101 | /* Set UPSMR register */ | |
3bc53427 | 1102 | setbits32(upsmr_register, automatic_flow_control_mode); |
ce973b14 LY |
1103 | |
1104 | value = in_be32(maccfg1_register); | |
1105 | if (rx_flow_control_enable) | |
1106 | value |= MACCFG1_FLOW_RX; | |
1107 | if (tx_flow_control_enable) | |
1108 | value |= MACCFG1_FLOW_TX; | |
1109 | out_be32(maccfg1_register, value); | |
1110 | ||
1111 | return 0; | |
1112 | } | |
1113 | ||
1114 | static int init_hw_statistics_gathering_mode(int enable_hardware_statistics, | |
1115 | int auto_zero_hardware_statistics, | |
6fee40e9 AF |
1116 | u32 __iomem *upsmr_register, |
1117 | u16 __iomem *uescr_register) | |
ce973b14 | 1118 | { |
ce973b14 | 1119 | u16 uescr_value = 0; |
3bc53427 | 1120 | |
ce973b14 | 1121 | /* Enable hardware statistics gathering if requested */ |
3bc53427 TT |
1122 | if (enable_hardware_statistics) |
1123 | setbits32(upsmr_register, UCC_GETH_UPSMR_HSE); | |
ce973b14 LY |
1124 | |
1125 | /* Clear hardware statistics counters */ | |
1126 | uescr_value = in_be16(uescr_register); | |
1127 | uescr_value |= UESCR_CLRCNT; | |
1128 | /* Automatically zero hardware statistics counters on read, | |
1129 | if requested */ | |
1130 | if (auto_zero_hardware_statistics) | |
1131 | uescr_value |= UESCR_AUTOZ; | |
1132 | out_be16(uescr_register, uescr_value); | |
1133 | ||
1134 | return 0; | |
1135 | } | |
1136 | ||
1137 | static int init_firmware_statistics_gathering_mode(int | |
1138 | enable_tx_firmware_statistics, | |
1139 | int enable_rx_firmware_statistics, | |
6fee40e9 | 1140 | u32 __iomem *tx_rmon_base_ptr, |
ce973b14 | 1141 | u32 tx_firmware_statistics_structure_address, |
6fee40e9 | 1142 | u32 __iomem *rx_rmon_base_ptr, |
ce973b14 | 1143 | u32 rx_firmware_statistics_structure_address, |
6fee40e9 AF |
1144 | u16 __iomem *temoder_register, |
1145 | u32 __iomem *remoder_register) | |
ce973b14 LY |
1146 | { |
1147 | /* Note: this function does not check if */ | |
1148 | /* the parameters it receives are NULL */ | |
ce973b14 LY |
1149 | |
1150 | if (enable_tx_firmware_statistics) { | |
1151 | out_be32(tx_rmon_base_ptr, | |
1152 | tx_firmware_statistics_structure_address); | |
3bc53427 | 1153 | setbits16(temoder_register, TEMODER_TX_RMON_STATISTICS_ENABLE); |
ce973b14 LY |
1154 | } |
1155 | ||
1156 | if (enable_rx_firmware_statistics) { | |
1157 | out_be32(rx_rmon_base_ptr, | |
1158 | rx_firmware_statistics_structure_address); | |
3bc53427 | 1159 | setbits32(remoder_register, REMODER_RX_RMON_STATISTICS_ENABLE); |
ce973b14 LY |
1160 | } |
1161 | ||
1162 | return 0; | |
1163 | } | |
1164 | ||
1165 | static int init_mac_station_addr_regs(u8 address_byte_0, | |
1166 | u8 address_byte_1, | |
1167 | u8 address_byte_2, | |
1168 | u8 address_byte_3, | |
1169 | u8 address_byte_4, | |
1170 | u8 address_byte_5, | |
6fee40e9 AF |
1171 | u32 __iomem *macstnaddr1_register, |
1172 | u32 __iomem *macstnaddr2_register) | |
ce973b14 LY |
1173 | { |
1174 | u32 value = 0; | |
1175 | ||
1176 | /* Example: for a station address of 0x12345678ABCD, */ | |
1177 | /* 0x12 is byte 0, 0x34 is byte 1 and so on and 0xCD is byte 5 */ | |
1178 | ||
1179 | /* MACSTNADDR1 Register: */ | |
1180 | ||
1181 | /* 0 7 8 15 */ | |
1182 | /* station address byte 5 station address byte 4 */ | |
1183 | /* 16 23 24 31 */ | |
1184 | /* station address byte 3 station address byte 2 */ | |
1185 | value |= (u32) ((address_byte_2 << 0) & 0x000000FF); | |
1186 | value |= (u32) ((address_byte_3 << 8) & 0x0000FF00); | |
1187 | value |= (u32) ((address_byte_4 << 16) & 0x00FF0000); | |
1188 | value |= (u32) ((address_byte_5 << 24) & 0xFF000000); | |
1189 | ||
1190 | out_be32(macstnaddr1_register, value); | |
1191 | ||
1192 | /* MACSTNADDR2 Register: */ | |
1193 | ||
1194 | /* 0 7 8 15 */ | |
1195 | /* station address byte 1 station address byte 0 */ | |
1196 | /* 16 23 24 31 */ | |
1197 | /* reserved reserved */ | |
1198 | value = 0; | |
1199 | value |= (u32) ((address_byte_0 << 16) & 0x00FF0000); | |
1200 | value |= (u32) ((address_byte_1 << 24) & 0xFF000000); | |
1201 | ||
1202 | out_be32(macstnaddr2_register, value); | |
1203 | ||
1204 | return 0; | |
1205 | } | |
1206 | ||
ce973b14 | 1207 | static int init_check_frame_length_mode(int length_check, |
6fee40e9 | 1208 | u32 __iomem *maccfg2_register) |
ce973b14 LY |
1209 | { |
1210 | u32 value = 0; | |
1211 | ||
1212 | value = in_be32(maccfg2_register); | |
1213 | ||
1214 | if (length_check) | |
1215 | value |= MACCFG2_LC; | |
1216 | else | |
1217 | value &= ~MACCFG2_LC; | |
1218 | ||
1219 | out_be32(maccfg2_register, value); | |
1220 | return 0; | |
1221 | } | |
1222 | ||
1223 | static int init_preamble_length(u8 preamble_length, | |
6fee40e9 | 1224 | u32 __iomem *maccfg2_register) |
ce973b14 | 1225 | { |
ce973b14 LY |
1226 | if ((preamble_length < 3) || (preamble_length > 7)) |
1227 | return -EINVAL; | |
1228 | ||
3bc53427 TT |
1229 | clrsetbits_be32(maccfg2_register, MACCFG2_PREL_MASK, |
1230 | preamble_length << MACCFG2_PREL_SHIFT); | |
1231 | ||
ce973b14 LY |
1232 | return 0; |
1233 | } | |
1234 | ||
ce973b14 LY |
1235 | static int init_rx_parameters(int reject_broadcast, |
1236 | int receive_short_frames, | |
6fee40e9 | 1237 | int promiscuous, u32 __iomem *upsmr_register) |
ce973b14 LY |
1238 | { |
1239 | u32 value = 0; | |
1240 | ||
1241 | value = in_be32(upsmr_register); | |
1242 | ||
1243 | if (reject_broadcast) | |
3bc53427 | 1244 | value |= UCC_GETH_UPSMR_BRO; |
ce973b14 | 1245 | else |
3bc53427 | 1246 | value &= ~UCC_GETH_UPSMR_BRO; |
ce973b14 LY |
1247 | |
1248 | if (receive_short_frames) | |
3bc53427 | 1249 | value |= UCC_GETH_UPSMR_RSH; |
ce973b14 | 1250 | else |
3bc53427 | 1251 | value &= ~UCC_GETH_UPSMR_RSH; |
ce973b14 LY |
1252 | |
1253 | if (promiscuous) | |
3bc53427 | 1254 | value |= UCC_GETH_UPSMR_PRO; |
ce973b14 | 1255 | else |
3bc53427 | 1256 | value &= ~UCC_GETH_UPSMR_PRO; |
ce973b14 LY |
1257 | |
1258 | out_be32(upsmr_register, value); | |
1259 | ||
1260 | return 0; | |
1261 | } | |
1262 | ||
1263 | static int init_max_rx_buff_len(u16 max_rx_buf_len, | |
6fee40e9 | 1264 | u16 __iomem *mrblr_register) |
ce973b14 LY |
1265 | { |
1266 | /* max_rx_buf_len value must be a multiple of 128 */ | |
8e95a202 JP |
1267 | if ((max_rx_buf_len == 0) || |
1268 | (max_rx_buf_len % UCC_GETH_MRBLR_ALIGNMENT)) | |
ce973b14 LY |
1269 | return -EINVAL; |
1270 | ||
1271 | out_be16(mrblr_register, max_rx_buf_len); | |
1272 | return 0; | |
1273 | } | |
1274 | ||
1275 | static int init_min_frame_len(u16 min_frame_length, | |
6fee40e9 AF |
1276 | u16 __iomem *minflr_register, |
1277 | u16 __iomem *mrblr_register) | |
ce973b14 LY |
1278 | { |
1279 | u16 mrblr_value = 0; | |
1280 | ||
1281 | mrblr_value = in_be16(mrblr_register); | |
1282 | if (min_frame_length >= (mrblr_value - 4)) | |
1283 | return -EINVAL; | |
1284 | ||
1285 | out_be16(minflr_register, min_frame_length); | |
1286 | return 0; | |
1287 | } | |
1288 | ||
18a8e864 | 1289 | static int adjust_enet_interface(struct ucc_geth_private *ugeth) |
ce973b14 | 1290 | { |
18a8e864 | 1291 | struct ucc_geth_info *ug_info; |
6fee40e9 AF |
1292 | struct ucc_geth __iomem *ug_regs; |
1293 | struct ucc_fast __iomem *uf_regs; | |
728de4c9 | 1294 | int ret_val; |
81abb43a | 1295 | u32 upsmr, maccfg2; |
ce973b14 LY |
1296 | u16 value; |
1297 | ||
b39d66a8 | 1298 | ugeth_vdbg("%s: IN", __func__); |
ce973b14 LY |
1299 | |
1300 | ug_info = ugeth->ug_info; | |
1301 | ug_regs = ugeth->ug_regs; | |
1302 | uf_regs = ugeth->uccf->uf_regs; | |
1303 | ||
ce973b14 LY |
1304 | /* Set MACCFG2 */ |
1305 | maccfg2 = in_be32(&ug_regs->maccfg2); | |
1306 | maccfg2 &= ~MACCFG2_INTERFACE_MODE_MASK; | |
728de4c9 KP |
1307 | if ((ugeth->max_speed == SPEED_10) || |
1308 | (ugeth->max_speed == SPEED_100)) | |
ce973b14 | 1309 | maccfg2 |= MACCFG2_INTERFACE_MODE_NIBBLE; |
728de4c9 | 1310 | else if (ugeth->max_speed == SPEED_1000) |
ce973b14 LY |
1311 | maccfg2 |= MACCFG2_INTERFACE_MODE_BYTE; |
1312 | maccfg2 |= ug_info->padAndCrc; | |
1313 | out_be32(&ug_regs->maccfg2, maccfg2); | |
1314 | ||
1315 | /* Set UPSMR */ | |
1316 | upsmr = in_be32(&uf_regs->upsmr); | |
3bc53427 TT |
1317 | upsmr &= ~(UCC_GETH_UPSMR_RPM | UCC_GETH_UPSMR_R10M | |
1318 | UCC_GETH_UPSMR_TBIM | UCC_GETH_UPSMR_RMM); | |
728de4c9 KP |
1319 | if ((ugeth->phy_interface == PHY_INTERFACE_MODE_RMII) || |
1320 | (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII) || | |
1321 | (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_ID) || | |
bd0ceaab KP |
1322 | (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_RXID) || |
1323 | (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_TXID) || | |
728de4c9 | 1324 | (ugeth->phy_interface == PHY_INTERFACE_MODE_RTBI)) { |
cef309cf HS |
1325 | if (ugeth->phy_interface != PHY_INTERFACE_MODE_RMII) |
1326 | upsmr |= UCC_GETH_UPSMR_RPM; | |
728de4c9 KP |
1327 | switch (ugeth->max_speed) { |
1328 | case SPEED_10: | |
3bc53427 | 1329 | upsmr |= UCC_GETH_UPSMR_R10M; |
df561f66 | 1330 | fallthrough; |
728de4c9 KP |
1331 | case SPEED_100: |
1332 | if (ugeth->phy_interface != PHY_INTERFACE_MODE_RTBI) | |
3bc53427 | 1333 | upsmr |= UCC_GETH_UPSMR_RMM; |
728de4c9 KP |
1334 | } |
1335 | } | |
1336 | if ((ugeth->phy_interface == PHY_INTERFACE_MODE_TBI) || | |
1337 | (ugeth->phy_interface == PHY_INTERFACE_MODE_RTBI)) { | |
3bc53427 | 1338 | upsmr |= UCC_GETH_UPSMR_TBIM; |
728de4c9 | 1339 | } |
dab23422 | 1340 | if (ugeth->phy_interface == PHY_INTERFACE_MODE_SGMII) |
047584ce HW |
1341 | upsmr |= UCC_GETH_UPSMR_SGMM; |
1342 | ||
ce973b14 LY |
1343 | out_be32(&uf_regs->upsmr, upsmr); |
1344 | ||
ce973b14 LY |
1345 | /* Disable autonegotiation in tbi mode, because by default it |
1346 | comes up in autonegotiation mode. */ | |
1347 | /* Note that this depends on proper setting in utbipar register. */ | |
728de4c9 KP |
1348 | if ((ugeth->phy_interface == PHY_INTERFACE_MODE_TBI) || |
1349 | (ugeth->phy_interface == PHY_INTERFACE_MODE_RTBI)) { | |
81abb43a LYB |
1350 | struct ucc_geth_info *ug_info = ugeth->ug_info; |
1351 | struct phy_device *tbiphy; | |
1352 | ||
1353 | if (!ug_info->tbi_node) | |
c84d8055 | 1354 | pr_warn("TBI mode requires that the device tree specify a tbi-handle\n"); |
81abb43a LYB |
1355 | |
1356 | tbiphy = of_phy_find_device(ug_info->tbi_node); | |
1357 | if (!tbiphy) | |
c84d8055 | 1358 | pr_warn("Could not get TBI device\n"); |
81abb43a LYB |
1359 | |
1360 | value = phy_read(tbiphy, ENET_TBI_MII_CR); | |
ce973b14 | 1361 | value &= ~0x1000; /* Turn off autonegotiation */ |
81abb43a | 1362 | phy_write(tbiphy, ENET_TBI_MII_CR, value); |
04d53b20 | 1363 | |
e5a03bfd | 1364 | put_device(&tbiphy->mdio.dev); |
ce973b14 LY |
1365 | } |
1366 | ||
1367 | init_check_frame_length_mode(ug_info->lengthCheckRx, &ug_regs->maccfg2); | |
1368 | ||
1369 | ret_val = init_preamble_length(ug_info->prel, &ug_regs->maccfg2); | |
1370 | if (ret_val != 0) { | |
890de95e | 1371 | if (netif_msg_probe(ugeth)) |
c84d8055 | 1372 | pr_err("Preamble length must be between 3 and 7 inclusive\n"); |
ce973b14 LY |
1373 | return ret_val; |
1374 | } | |
1375 | ||
1376 | return 0; | |
1377 | } | |
1378 | ||
7de8ee78 AV |
1379 | static int ugeth_graceful_stop_tx(struct ucc_geth_private *ugeth) |
1380 | { | |
1381 | struct ucc_fast_private *uccf; | |
1382 | u32 cecr_subblock; | |
1383 | u32 temp; | |
1384 | int i = 10; | |
1385 | ||
1386 | uccf = ugeth->uccf; | |
1387 | ||
1388 | /* Mask GRACEFUL STOP TX interrupt bit and clear it */ | |
1389 | clrbits32(uccf->p_uccm, UCC_GETH_UCCE_GRA); | |
1390 | out_be32(uccf->p_ucce, UCC_GETH_UCCE_GRA); /* clear by writing 1 */ | |
1391 | ||
1392 | /* Issue host command */ | |
1393 | cecr_subblock = | |
1394 | ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num); | |
1395 | qe_issue_cmd(QE_GRACEFUL_STOP_TX, cecr_subblock, | |
1396 | QE_CR_PROTOCOL_ETHERNET, 0); | |
1397 | ||
1398 | /* Wait for command to complete */ | |
1399 | do { | |
1400 | msleep(10); | |
1401 | temp = in_be32(uccf->p_ucce); | |
1402 | } while (!(temp & UCC_GETH_UCCE_GRA) && --i); | |
1403 | ||
1404 | uccf->stopped_tx = 1; | |
1405 | ||
1406 | return 0; | |
1407 | } | |
1408 | ||
1409 | static int ugeth_graceful_stop_rx(struct ucc_geth_private *ugeth) | |
1410 | { | |
1411 | struct ucc_fast_private *uccf; | |
1412 | u32 cecr_subblock; | |
1413 | u8 temp; | |
1414 | int i = 10; | |
1415 | ||
1416 | uccf = ugeth->uccf; | |
1417 | ||
1418 | /* Clear acknowledge bit */ | |
1419 | temp = in_8(&ugeth->p_rx_glbl_pram->rxgstpack); | |
1420 | temp &= ~GRACEFUL_STOP_ACKNOWLEDGE_RX; | |
1421 | out_8(&ugeth->p_rx_glbl_pram->rxgstpack, temp); | |
1422 | ||
1423 | /* Keep issuing command and checking acknowledge bit until | |
1424 | it is asserted, according to spec */ | |
1425 | do { | |
1426 | /* Issue host command */ | |
1427 | cecr_subblock = | |
1428 | ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info. | |
1429 | ucc_num); | |
1430 | qe_issue_cmd(QE_GRACEFUL_STOP_RX, cecr_subblock, | |
1431 | QE_CR_PROTOCOL_ETHERNET, 0); | |
1432 | msleep(10); | |
1433 | temp = in_8(&ugeth->p_rx_glbl_pram->rxgstpack); | |
1434 | } while (!(temp & GRACEFUL_STOP_ACKNOWLEDGE_RX) && --i); | |
1435 | ||
1436 | uccf->stopped_rx = 1; | |
1437 | ||
1438 | return 0; | |
1439 | } | |
1440 | ||
1441 | static int ugeth_restart_tx(struct ucc_geth_private *ugeth) | |
1442 | { | |
1443 | struct ucc_fast_private *uccf; | |
1444 | u32 cecr_subblock; | |
1445 | ||
1446 | uccf = ugeth->uccf; | |
1447 | ||
1448 | cecr_subblock = | |
1449 | ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num); | |
1450 | qe_issue_cmd(QE_RESTART_TX, cecr_subblock, QE_CR_PROTOCOL_ETHERNET, 0); | |
1451 | uccf->stopped_tx = 0; | |
1452 | ||
1453 | return 0; | |
1454 | } | |
1455 | ||
1456 | static int ugeth_restart_rx(struct ucc_geth_private *ugeth) | |
1457 | { | |
1458 | struct ucc_fast_private *uccf; | |
1459 | u32 cecr_subblock; | |
1460 | ||
1461 | uccf = ugeth->uccf; | |
1462 | ||
1463 | cecr_subblock = | |
1464 | ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num); | |
1465 | qe_issue_cmd(QE_RESTART_RX, cecr_subblock, QE_CR_PROTOCOL_ETHERNET, | |
1466 | 0); | |
1467 | uccf->stopped_rx = 0; | |
1468 | ||
1469 | return 0; | |
1470 | } | |
1471 | ||
1472 | static int ugeth_enable(struct ucc_geth_private *ugeth, enum comm_dir mode) | |
1473 | { | |
1474 | struct ucc_fast_private *uccf; | |
1475 | int enabled_tx, enabled_rx; | |
1476 | ||
1477 | uccf = ugeth->uccf; | |
1478 | ||
1479 | /* check if the UCC number is in range. */ | |
1480 | if (ugeth->ug_info->uf_info.ucc_num >= UCC_MAX_NUM) { | |
1481 | if (netif_msg_probe(ugeth)) | |
c84d8055 | 1482 | pr_err("ucc_num out of range\n"); |
7de8ee78 AV |
1483 | return -EINVAL; |
1484 | } | |
1485 | ||
1486 | enabled_tx = uccf->enabled_tx; | |
1487 | enabled_rx = uccf->enabled_rx; | |
1488 | ||
1489 | /* Get Tx and Rx going again, in case this channel was actively | |
1490 | disabled. */ | |
1491 | if ((mode & COMM_DIR_TX) && (!enabled_tx) && uccf->stopped_tx) | |
1492 | ugeth_restart_tx(ugeth); | |
1493 | if ((mode & COMM_DIR_RX) && (!enabled_rx) && uccf->stopped_rx) | |
1494 | ugeth_restart_rx(ugeth); | |
1495 | ||
1496 | ucc_fast_enable(uccf, mode); /* OK to do even if not disabled */ | |
1497 | ||
1498 | return 0; | |
1499 | ||
1500 | } | |
1501 | ||
1502 | static int ugeth_disable(struct ucc_geth_private *ugeth, enum comm_dir mode) | |
1503 | { | |
1504 | struct ucc_fast_private *uccf; | |
1505 | ||
1506 | uccf = ugeth->uccf; | |
1507 | ||
1508 | /* check if the UCC number is in range. */ | |
1509 | if (ugeth->ug_info->uf_info.ucc_num >= UCC_MAX_NUM) { | |
1510 | if (netif_msg_probe(ugeth)) | |
c84d8055 | 1511 | pr_err("ucc_num out of range\n"); |
7de8ee78 AV |
1512 | return -EINVAL; |
1513 | } | |
1514 | ||
1515 | /* Stop any transmissions */ | |
1516 | if ((mode & COMM_DIR_TX) && uccf->enabled_tx && !uccf->stopped_tx) | |
1517 | ugeth_graceful_stop_tx(ugeth); | |
1518 | ||
1519 | /* Stop any receptions */ | |
1520 | if ((mode & COMM_DIR_RX) && uccf->enabled_rx && !uccf->stopped_rx) | |
1521 | ugeth_graceful_stop_rx(ugeth); | |
1522 | ||
1523 | ucc_fast_disable(ugeth->uccf, mode); /* OK to do even if not enabled */ | |
1524 | ||
1525 | return 0; | |
1526 | } | |
1527 | ||
864fdf88 AV |
1528 | static void ugeth_quiesce(struct ucc_geth_private *ugeth) |
1529 | { | |
79dde73c VL |
1530 | /* Prevent any further xmits */ |
1531 | netif_tx_stop_all_queues(ugeth->ndev); | |
864fdf88 AV |
1532 | |
1533 | /* Disable the interrupt to avoid NAPI rescheduling. */ | |
1534 | disable_irq(ugeth->ug_info->uf_info.irq); | |
1535 | ||
1536 | /* Stop NAPI, and possibly wait for its completion. */ | |
1537 | napi_disable(&ugeth->napi); | |
1538 | } | |
1539 | ||
1540 | static void ugeth_activate(struct ucc_geth_private *ugeth) | |
1541 | { | |
1542 | napi_enable(&ugeth->napi); | |
1543 | enable_irq(ugeth->ug_info->uf_info.irq); | |
79dde73c VL |
1544 | |
1545 | /* allow to xmit again */ | |
1546 | netif_tx_wake_all_queues(ugeth->ndev); | |
1547 | __netdev_watchdog_up(ugeth->ndev); | |
864fdf88 AV |
1548 | } |
1549 | ||
ce973b14 LY |
1550 | /* Called every time the controller might need to be made |
1551 | * aware of new link state. The PHY code conveys this | |
1552 | * information through variables in the ugeth structure, and this | |
1553 | * function converts those variables into the appropriate | |
1554 | * register values, and can bring down the device if needed. | |
1555 | */ | |
728de4c9 | 1556 | |
ce973b14 LY |
1557 | static void adjust_link(struct net_device *dev) |
1558 | { | |
18a8e864 | 1559 | struct ucc_geth_private *ugeth = netdev_priv(dev); |
6fee40e9 AF |
1560 | struct ucc_geth __iomem *ug_regs; |
1561 | struct ucc_fast __iomem *uf_regs; | |
728de4c9 | 1562 | struct phy_device *phydev = ugeth->phydev; |
728de4c9 | 1563 | int new_state = 0; |
ce973b14 LY |
1564 | |
1565 | ug_regs = ugeth->ug_regs; | |
728de4c9 | 1566 | uf_regs = ugeth->uccf->uf_regs; |
ce973b14 | 1567 | |
728de4c9 KP |
1568 | if (phydev->link) { |
1569 | u32 tempval = in_be32(&ug_regs->maccfg2); | |
1570 | u32 upsmr = in_be32(&uf_regs->upsmr); | |
ce973b14 LY |
1571 | /* Now we make sure that we can be in full duplex mode. |
1572 | * If not, we operate in half-duplex mode. */ | |
728de4c9 KP |
1573 | if (phydev->duplex != ugeth->oldduplex) { |
1574 | new_state = 1; | |
1575 | if (!(phydev->duplex)) | |
ce973b14 | 1576 | tempval &= ~(MACCFG2_FDX); |
728de4c9 | 1577 | else |
ce973b14 | 1578 | tempval |= MACCFG2_FDX; |
728de4c9 | 1579 | ugeth->oldduplex = phydev->duplex; |
ce973b14 LY |
1580 | } |
1581 | ||
728de4c9 KP |
1582 | if (phydev->speed != ugeth->oldspeed) { |
1583 | new_state = 1; | |
1584 | switch (phydev->speed) { | |
1585 | case SPEED_1000: | |
1586 | tempval = ((tempval & | |
1587 | ~(MACCFG2_INTERFACE_MODE_MASK)) | | |
1588 | MACCFG2_INTERFACE_MODE_BYTE); | |
a1862a53 | 1589 | break; |
728de4c9 KP |
1590 | case SPEED_100: |
1591 | case SPEED_10: | |
1592 | tempval = ((tempval & | |
1593 | ~(MACCFG2_INTERFACE_MODE_MASK)) | | |
1594 | MACCFG2_INTERFACE_MODE_NIBBLE); | |
1595 | /* if reduced mode, re-set UPSMR.R10M */ | |
1596 | if ((ugeth->phy_interface == PHY_INTERFACE_MODE_RMII) || | |
1597 | (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII) || | |
1598 | (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_ID) || | |
bd0ceaab KP |
1599 | (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_RXID) || |
1600 | (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_TXID) || | |
728de4c9 KP |
1601 | (ugeth->phy_interface == PHY_INTERFACE_MODE_RTBI)) { |
1602 | if (phydev->speed == SPEED_10) | |
3bc53427 | 1603 | upsmr |= UCC_GETH_UPSMR_R10M; |
728de4c9 | 1604 | else |
3bc53427 | 1605 | upsmr &= ~UCC_GETH_UPSMR_R10M; |
728de4c9 | 1606 | } |
ce973b14 LY |
1607 | break; |
1608 | default: | |
728de4c9 | 1609 | if (netif_msg_link(ugeth)) |
c84d8055 | 1610 | pr_warn( |
728de4c9 KP |
1611 | "%s: Ack! Speed (%d) is not 10/100/1000!", |
1612 | dev->name, phydev->speed); | |
ce973b14 LY |
1613 | break; |
1614 | } | |
728de4c9 | 1615 | ugeth->oldspeed = phydev->speed; |
ce973b14 LY |
1616 | } |
1617 | ||
1618 | if (!ugeth->oldlink) { | |
728de4c9 | 1619 | new_state = 1; |
ce973b14 | 1620 | ugeth->oldlink = 1; |
ce973b14 | 1621 | } |
08fafd84 AV |
1622 | |
1623 | if (new_state) { | |
1624 | /* | |
1625 | * To change the MAC configuration we need to disable | |
1626 | * the controller. To do so, we have to either grab | |
1627 | * ugeth->lock, which is a bad idea since 'graceful | |
1628 | * stop' commands might take quite a while, or we can | |
1629 | * quiesce driver's activity. | |
1630 | */ | |
1631 | ugeth_quiesce(ugeth); | |
1632 | ugeth_disable(ugeth, COMM_DIR_RX_AND_TX); | |
1633 | ||
1634 | out_be32(&ug_regs->maccfg2, tempval); | |
1635 | out_be32(&uf_regs->upsmr, upsmr); | |
1636 | ||
1637 | ugeth_enable(ugeth, COMM_DIR_RX_AND_TX); | |
1638 | ugeth_activate(ugeth); | |
1639 | } | |
728de4c9 KP |
1640 | } else if (ugeth->oldlink) { |
1641 | new_state = 1; | |
ce973b14 LY |
1642 | ugeth->oldlink = 0; |
1643 | ugeth->oldspeed = 0; | |
1644 | ugeth->oldduplex = -1; | |
ce973b14 | 1645 | } |
728de4c9 KP |
1646 | |
1647 | if (new_state && netif_msg_link(ugeth)) | |
1648 | phy_print_status(phydev); | |
ce973b14 LY |
1649 | } |
1650 | ||
fb1001f3 HW |
1651 | /* Initialize TBI PHY interface for communicating with the |
1652 | * SERDES lynx PHY on the chip. We communicate with this PHY | |
1653 | * through the MDIO bus on each controller, treating it as a | |
1654 | * "normal" PHY at the address found in the UTBIPA register. We assume | |
1655 | * that the UTBIPA register is valid. Either the MDIO bus code will set | |
1656 | * it to a value that doesn't conflict with other PHYs on the bus, or the | |
1657 | * value doesn't matter, as there are no other PHYs on the bus. | |
1658 | */ | |
1659 | static void uec_configure_serdes(struct net_device *dev) | |
1660 | { | |
1661 | struct ucc_geth_private *ugeth = netdev_priv(dev); | |
1662 | struct ucc_geth_info *ug_info = ugeth->ug_info; | |
1663 | struct phy_device *tbiphy; | |
1664 | ||
1665 | if (!ug_info->tbi_node) { | |
1666 | dev_warn(&dev->dev, "SGMII mode requires that the device " | |
1667 | "tree specify a tbi-handle\n"); | |
1668 | return; | |
1669 | } | |
1670 | ||
1671 | tbiphy = of_phy_find_device(ug_info->tbi_node); | |
1672 | if (!tbiphy) { | |
1673 | dev_err(&dev->dev, "error: Could not get TBI device\n"); | |
1674 | return; | |
1675 | } | |
1676 | ||
1677 | /* | |
1678 | * If the link is already up, we must already be ok, and don't need to | |
1679 | * configure and reset the TBI<->SerDes link. Maybe U-Boot configured | |
1680 | * everything for us? Resetting it takes the link down and requires | |
1681 | * several seconds for it to come back. | |
1682 | */ | |
04d53b20 | 1683 | if (phy_read(tbiphy, ENET_TBI_MII_SR) & TBISR_LSTATUS) { |
e5a03bfd | 1684 | put_device(&tbiphy->mdio.dev); |
fb1001f3 | 1685 | return; |
04d53b20 | 1686 | } |
fb1001f3 HW |
1687 | |
1688 | /* Single clk mode, mii mode off(for serdes communication) */ | |
1689 | phy_write(tbiphy, ENET_TBI_MII_ANA, TBIANA_SETTINGS); | |
1690 | ||
1691 | phy_write(tbiphy, ENET_TBI_MII_TBICON, TBICON_CLK_SELECT); | |
1692 | ||
1693 | phy_write(tbiphy, ENET_TBI_MII_CR, TBICR_SETTINGS); | |
04d53b20 | 1694 | |
5e431650 | 1695 | put_device(&tbiphy->mdio.dev); |
fb1001f3 HW |
1696 | } |
1697 | ||
ce973b14 LY |
1698 | /* Configure the PHY for dev. |
1699 | * returns 0 if success. -1 if failure | |
1700 | */ | |
1701 | static int init_phy(struct net_device *dev) | |
1702 | { | |
728de4c9 | 1703 | struct ucc_geth_private *priv = netdev_priv(dev); |
61fa9dcf | 1704 | struct ucc_geth_info *ug_info = priv->ug_info; |
728de4c9 | 1705 | struct phy_device *phydev; |
ce973b14 | 1706 | |
728de4c9 KP |
1707 | priv->oldlink = 0; |
1708 | priv->oldspeed = 0; | |
1709 | priv->oldduplex = -1; | |
ce973b14 | 1710 | |
0b9da337 GL |
1711 | phydev = of_phy_connect(dev, ug_info->phy_node, &adjust_link, 0, |
1712 | priv->phy_interface); | |
1713 | if (!phydev) { | |
3104a6ff | 1714 | dev_err(&dev->dev, "Could not attach to PHY\n"); |
0b9da337 | 1715 | return -ENODEV; |
ce973b14 LY |
1716 | } |
1717 | ||
047584ce HW |
1718 | if (priv->phy_interface == PHY_INTERFACE_MODE_SGMII) |
1719 | uec_configure_serdes(dev); | |
1720 | ||
3c1bcc86 | 1721 | phy_set_max_speed(phydev, priv->max_speed); |
68dc44af | 1722 | |
728de4c9 | 1723 | priv->phydev = phydev; |
ce973b14 LY |
1724 | |
1725 | return 0; | |
ce973b14 LY |
1726 | } |
1727 | ||
18a8e864 | 1728 | static void ugeth_dump_regs(struct ucc_geth_private *ugeth) |
ce973b14 LY |
1729 | { |
1730 | #ifdef DEBUG | |
1731 | ucc_fast_dump_regs(ugeth->uccf); | |
1732 | dump_regs(ugeth); | |
1733 | dump_bds(ugeth); | |
1734 | #endif | |
1735 | } | |
1736 | ||
18a8e864 | 1737 | static int ugeth_82xx_filtering_clear_all_addr_in_hash(struct ucc_geth_private * |
ce973b14 | 1738 | ugeth, |
18a8e864 | 1739 | enum enet_addr_type |
ce973b14 LY |
1740 | enet_addr_type) |
1741 | { | |
6fee40e9 | 1742 | struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt; |
18a8e864 LY |
1743 | struct ucc_fast_private *uccf; |
1744 | enum comm_dir comm_dir; | |
ce973b14 LY |
1745 | struct list_head *p_lh; |
1746 | u16 i, num; | |
6fee40e9 AF |
1747 | u32 __iomem *addr_h; |
1748 | u32 __iomem *addr_l; | |
ce973b14 LY |
1749 | u8 *p_counter; |
1750 | ||
1751 | uccf = ugeth->uccf; | |
1752 | ||
1753 | p_82xx_addr_filt = | |
6fee40e9 AF |
1754 | (struct ucc_geth_82xx_address_filtering_pram __iomem *) |
1755 | ugeth->p_rx_glbl_pram->addressfiltering; | |
ce973b14 LY |
1756 | |
1757 | if (enet_addr_type == ENET_ADDR_TYPE_GROUP) { | |
1758 | addr_h = &(p_82xx_addr_filt->gaddr_h); | |
1759 | addr_l = &(p_82xx_addr_filt->gaddr_l); | |
1760 | p_lh = &ugeth->group_hash_q; | |
1761 | p_counter = &(ugeth->numGroupAddrInHash); | |
1762 | } else if (enet_addr_type == ENET_ADDR_TYPE_INDIVIDUAL) { | |
1763 | addr_h = &(p_82xx_addr_filt->iaddr_h); | |
1764 | addr_l = &(p_82xx_addr_filt->iaddr_l); | |
1765 | p_lh = &ugeth->ind_hash_q; | |
1766 | p_counter = &(ugeth->numIndAddrInHash); | |
1767 | } else | |
1768 | return -EINVAL; | |
1769 | ||
1770 | comm_dir = 0; | |
1771 | if (uccf->enabled_tx) | |
1772 | comm_dir |= COMM_DIR_TX; | |
1773 | if (uccf->enabled_rx) | |
1774 | comm_dir |= COMM_DIR_RX; | |
1775 | if (comm_dir) | |
1776 | ugeth_disable(ugeth, comm_dir); | |
1777 | ||
1778 | /* Clear the hash table. */ | |
1779 | out_be32(addr_h, 0x00000000); | |
1780 | out_be32(addr_l, 0x00000000); | |
1781 | ||
1782 | if (!p_lh) | |
1783 | return 0; | |
1784 | ||
1785 | num = *p_counter; | |
1786 | ||
1787 | /* Delete all remaining CQ elements */ | |
1788 | for (i = 0; i < num; i++) | |
1789 | put_enet_addr_container(ENET_ADDR_CONT_ENTRY(dequeue(p_lh))); | |
1790 | ||
1791 | *p_counter = 0; | |
1792 | ||
1793 | if (comm_dir) | |
1794 | ugeth_enable(ugeth, comm_dir); | |
1795 | ||
1796 | return 0; | |
1797 | } | |
1798 | ||
18a8e864 | 1799 | static int ugeth_82xx_filtering_clear_addr_in_paddr(struct ucc_geth_private *ugeth, |
ce973b14 LY |
1800 | u8 paddr_num) |
1801 | { | |
1802 | ugeth->indAddrRegUsed[paddr_num] = 0; /* mark this paddr as not used */ | |
1803 | return hw_clear_addr_in_paddr(ugeth, paddr_num);/* clear in hardware */ | |
1804 | } | |
1805 | ||
e19a82c1 PG |
1806 | static void ucc_geth_free_rx(struct ucc_geth_private *ugeth) |
1807 | { | |
1808 | struct ucc_geth_info *ug_info; | |
1809 | struct ucc_fast_info *uf_info; | |
1810 | u16 i, j; | |
1811 | u8 __iomem *bd; | |
1812 | ||
1813 | ||
1814 | ug_info = ugeth->ug_info; | |
1815 | uf_info = &ug_info->uf_info; | |
1816 | ||
53f49d86 | 1817 | for (i = 0; i < ucc_geth_rx_queues(ugeth->ug_info); i++) { |
e19a82c1 PG |
1818 | if (ugeth->p_rx_bd_ring[i]) { |
1819 | /* Return existing data buffers in ring */ | |
1820 | bd = ugeth->p_rx_bd_ring[i]; | |
1821 | for (j = 0; j < ugeth->ug_info->bdRingLenRx[i]; j++) { | |
1822 | if (ugeth->rx_skbuff[i][j]) { | |
1823 | dma_unmap_single(ugeth->dev, | |
1824 | in_be32(&((struct qe_bd __iomem *)bd)->buf), | |
1825 | ugeth->ug_info-> | |
1826 | uf_info.max_rx_buf_length + | |
1827 | UCC_GETH_RX_DATA_BUF_ALIGNMENT, | |
1828 | DMA_FROM_DEVICE); | |
1829 | dev_kfree_skb_any( | |
1830 | ugeth->rx_skbuff[i][j]); | |
1831 | ugeth->rx_skbuff[i][j] = NULL; | |
1832 | } | |
1833 | bd += sizeof(struct qe_bd); | |
1834 | } | |
1835 | ||
1836 | kfree(ugeth->rx_skbuff[i]); | |
1837 | ||
9b0dfef4 | 1838 | kfree(ugeth->p_rx_bd_ring[i]); |
e19a82c1 PG |
1839 | ugeth->p_rx_bd_ring[i] = NULL; |
1840 | } | |
1841 | } | |
1842 | ||
1843 | } | |
1844 | ||
1845 | static void ucc_geth_free_tx(struct ucc_geth_private *ugeth) | |
ce973b14 | 1846 | { |
e19a82c1 PG |
1847 | struct ucc_geth_info *ug_info; |
1848 | struct ucc_fast_info *uf_info; | |
ce973b14 | 1849 | u16 i, j; |
6fee40e9 | 1850 | u8 __iomem *bd; |
ce973b14 | 1851 | |
e15aa3b2 MT |
1852 | netdev_reset_queue(ugeth->ndev); |
1853 | ||
e19a82c1 PG |
1854 | ug_info = ugeth->ug_info; |
1855 | uf_info = &ug_info->uf_info; | |
1856 | ||
53f49d86 | 1857 | for (i = 0; i < ucc_geth_tx_queues(ugeth->ug_info); i++) { |
e19a82c1 PG |
1858 | bd = ugeth->p_tx_bd_ring[i]; |
1859 | if (!bd) | |
1860 | continue; | |
1861 | for (j = 0; j < ugeth->ug_info->bdRingLenTx[i]; j++) { | |
1862 | if (ugeth->tx_skbuff[i][j]) { | |
1863 | dma_unmap_single(ugeth->dev, | |
1864 | in_be32(&((struct qe_bd __iomem *)bd)->buf), | |
1865 | (in_be32((u32 __iomem *)bd) & | |
1866 | BD_LENGTH_MASK), | |
1867 | DMA_TO_DEVICE); | |
1868 | dev_kfree_skb_any(ugeth->tx_skbuff[i][j]); | |
1869 | ugeth->tx_skbuff[i][j] = NULL; | |
1870 | } | |
1871 | } | |
1872 | ||
1873 | kfree(ugeth->tx_skbuff[i]); | |
1874 | ||
9b0dfef4 RV |
1875 | kfree(ugeth->p_tx_bd_ring[i]); |
1876 | ugeth->p_tx_bd_ring[i] = NULL; | |
e19a82c1 PG |
1877 | } |
1878 | ||
1879 | } | |
1880 | ||
1881 | static void ucc_geth_memclean(struct ucc_geth_private *ugeth) | |
1882 | { | |
ce973b14 LY |
1883 | if (!ugeth) |
1884 | return; | |
1885 | ||
80a9fad8 | 1886 | if (ugeth->uccf) { |
ce973b14 | 1887 | ucc_fast_free(ugeth->uccf); |
80a9fad8 AV |
1888 | ugeth->uccf = NULL; |
1889 | } | |
ce973b14 | 1890 | |
03588e92 RV |
1891 | qe_muram_free_addr(ugeth->p_thread_data_tx); |
1892 | ugeth->p_thread_data_tx = NULL; | |
1893 | ||
1894 | qe_muram_free_addr(ugeth->p_thread_data_rx); | |
1895 | ugeth->p_thread_data_rx = NULL; | |
1896 | ||
1897 | qe_muram_free_addr(ugeth->p_exf_glbl_param); | |
1898 | ugeth->p_exf_glbl_param = NULL; | |
1899 | ||
1900 | qe_muram_free_addr(ugeth->p_rx_glbl_pram); | |
1901 | ugeth->p_rx_glbl_pram = NULL; | |
1902 | ||
1903 | qe_muram_free_addr(ugeth->p_tx_glbl_pram); | |
1904 | ugeth->p_tx_glbl_pram = NULL; | |
1905 | ||
1906 | qe_muram_free_addr(ugeth->p_send_q_mem_reg); | |
1907 | ugeth->p_send_q_mem_reg = NULL; | |
1908 | ||
1909 | qe_muram_free_addr(ugeth->p_scheduler); | |
1910 | ugeth->p_scheduler = NULL; | |
1911 | ||
1912 | qe_muram_free_addr(ugeth->p_tx_fw_statistics_pram); | |
1913 | ugeth->p_tx_fw_statistics_pram = NULL; | |
1914 | ||
1915 | qe_muram_free_addr(ugeth->p_rx_fw_statistics_pram); | |
1916 | ugeth->p_rx_fw_statistics_pram = NULL; | |
1917 | ||
1918 | qe_muram_free_addr(ugeth->p_rx_irq_coalescing_tbl); | |
1919 | ugeth->p_rx_irq_coalescing_tbl = NULL; | |
1920 | ||
1921 | qe_muram_free_addr(ugeth->p_rx_bd_qs_tbl); | |
1922 | ugeth->p_rx_bd_qs_tbl = NULL; | |
1923 | ||
ce973b14 LY |
1924 | if (ugeth->p_init_enet_param_shadow) { |
1925 | return_init_enet_entries(ugeth, | |
1926 | &(ugeth->p_init_enet_param_shadow-> | |
1927 | rxthread[0]), | |
1928 | ENET_INIT_PARAM_MAX_ENTRIES_RX, | |
1929 | ugeth->ug_info->riscRx, 1); | |
1930 | return_init_enet_entries(ugeth, | |
1931 | &(ugeth->p_init_enet_param_shadow-> | |
1932 | txthread[0]), | |
1933 | ENET_INIT_PARAM_MAX_ENTRIES_TX, | |
1934 | ugeth->ug_info->riscTx, 0); | |
1935 | kfree(ugeth->p_init_enet_param_shadow); | |
1936 | ugeth->p_init_enet_param_shadow = NULL; | |
1937 | } | |
e19a82c1 PG |
1938 | ucc_geth_free_tx(ugeth); |
1939 | ucc_geth_free_rx(ugeth); | |
ce973b14 LY |
1940 | while (!list_empty(&ugeth->group_hash_q)) |
1941 | put_enet_addr_container(ENET_ADDR_CONT_ENTRY | |
1942 | (dequeue(&ugeth->group_hash_q))); | |
1943 | while (!list_empty(&ugeth->ind_hash_q)) | |
1944 | put_enet_addr_container(ENET_ADDR_CONT_ENTRY | |
1945 | (dequeue(&ugeth->ind_hash_q))); | |
3e73fc9a AV |
1946 | if (ugeth->ug_regs) { |
1947 | iounmap(ugeth->ug_regs); | |
1948 | ugeth->ug_regs = NULL; | |
1949 | } | |
ce973b14 LY |
1950 | } |
1951 | ||
1952 | static void ucc_geth_set_multi(struct net_device *dev) | |
1953 | { | |
18a8e864 | 1954 | struct ucc_geth_private *ugeth; |
22bedad3 | 1955 | struct netdev_hw_addr *ha; |
6fee40e9 AF |
1956 | struct ucc_fast __iomem *uf_regs; |
1957 | struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt; | |
ce973b14 LY |
1958 | |
1959 | ugeth = netdev_priv(dev); | |
1960 | ||
1961 | uf_regs = ugeth->uccf->uf_regs; | |
1962 | ||
1963 | if (dev->flags & IFF_PROMISC) { | |
3bc53427 | 1964 | setbits32(&uf_regs->upsmr, UCC_GETH_UPSMR_PRO); |
ce973b14 | 1965 | } else { |
3bc53427 | 1966 | clrbits32(&uf_regs->upsmr, UCC_GETH_UPSMR_PRO); |
ce973b14 LY |
1967 | |
1968 | p_82xx_addr_filt = | |
6fee40e9 | 1969 | (struct ucc_geth_82xx_address_filtering_pram __iomem *) ugeth-> |
ce973b14 LY |
1970 | p_rx_glbl_pram->addressfiltering; |
1971 | ||
1972 | if (dev->flags & IFF_ALLMULTI) { | |
1973 | /* Catch all multicast addresses, so set the | |
1974 | * filter to all 1's. | |
1975 | */ | |
1976 | out_be32(&p_82xx_addr_filt->gaddr_h, 0xffffffff); | |
1977 | out_be32(&p_82xx_addr_filt->gaddr_l, 0xffffffff); | |
1978 | } else { | |
1979 | /* Clear filter and add the addresses in the list. | |
1980 | */ | |
1981 | out_be32(&p_82xx_addr_filt->gaddr_h, 0x0); | |
1982 | out_be32(&p_82xx_addr_filt->gaddr_l, 0x0); | |
1983 | ||
22bedad3 | 1984 | netdev_for_each_mc_addr(ha, dev) { |
ce973b14 LY |
1985 | /* Ask CPM to run CRC and set bit in |
1986 | * filter mask. | |
1987 | */ | |
22bedad3 | 1988 | hw_add_addr_in_hash(ugeth, ha->addr); |
ce973b14 LY |
1989 | } |
1990 | } | |
1991 | } | |
1992 | } | |
1993 | ||
18a8e864 | 1994 | static void ucc_geth_stop(struct ucc_geth_private *ugeth) |
ce973b14 | 1995 | { |
6fee40e9 | 1996 | struct ucc_geth __iomem *ug_regs = ugeth->ug_regs; |
728de4c9 | 1997 | struct phy_device *phydev = ugeth->phydev; |
ce973b14 | 1998 | |
b39d66a8 | 1999 | ugeth_vdbg("%s: IN", __func__); |
ce973b14 | 2000 | |
75e60474 JT |
2001 | /* |
2002 | * Tell the kernel the link is down. | |
2003 | * Must be done before disabling the controller | |
2004 | * or deadlock may happen. | |
2005 | */ | |
2006 | phy_stop(phydev); | |
2007 | ||
ce973b14 LY |
2008 | /* Disable the controller */ |
2009 | ugeth_disable(ugeth, COMM_DIR_RX_AND_TX); | |
2010 | ||
ce973b14 | 2011 | /* Mask all interrupts */ |
c6f5047b | 2012 | out_be32(ugeth->uccf->p_uccm, 0x00000000); |
ce973b14 LY |
2013 | |
2014 | /* Clear all interrupts */ | |
2015 | out_be32(ugeth->uccf->p_ucce, 0xffffffff); | |
2016 | ||
2017 | /* Disable Rx and Tx */ | |
3bc53427 | 2018 | clrbits32(&ug_regs->maccfg1, MACCFG1_ENABLE_RX | MACCFG1_ENABLE_TX); |
ce973b14 | 2019 | |
ce973b14 LY |
2020 | ucc_geth_memclean(ugeth); |
2021 | } | |
2022 | ||
728de4c9 | 2023 | static int ucc_struct_init(struct ucc_geth_private *ugeth) |
ce973b14 | 2024 | { |
18a8e864 LY |
2025 | struct ucc_geth_info *ug_info; |
2026 | struct ucc_fast_info *uf_info; | |
728de4c9 | 2027 | int i; |
ce973b14 LY |
2028 | |
2029 | ug_info = ugeth->ug_info; | |
2030 | uf_info = &ug_info->uf_info; | |
2031 | ||
ce973b14 | 2032 | /* Rx BD lengths */ |
53f49d86 | 2033 | for (i = 0; i < ucc_geth_rx_queues(ug_info); i++) { |
ce973b14 LY |
2034 | if ((ug_info->bdRingLenRx[i] < UCC_GETH_RX_BD_RING_SIZE_MIN) || |
2035 | (ug_info->bdRingLenRx[i] % | |
2036 | UCC_GETH_RX_BD_RING_SIZE_ALIGNMENT)) { | |
890de95e | 2037 | if (netif_msg_probe(ugeth)) |
c84d8055 | 2038 | pr_err("Rx BD ring length must be multiple of 4, no smaller than 8\n"); |
ce973b14 LY |
2039 | return -EINVAL; |
2040 | } | |
2041 | } | |
2042 | ||
2043 | /* Tx BD lengths */ | |
53f49d86 | 2044 | for (i = 0; i < ucc_geth_tx_queues(ug_info); i++) { |
ce973b14 | 2045 | if (ug_info->bdRingLenTx[i] < UCC_GETH_TX_BD_RING_SIZE_MIN) { |
890de95e | 2046 | if (netif_msg_probe(ugeth)) |
c84d8055 | 2047 | pr_err("Tx BD ring length must be no smaller than 2\n"); |
ce973b14 LY |
2048 | return -EINVAL; |
2049 | } | |
2050 | } | |
2051 | ||
2052 | /* mrblr */ | |
2053 | if ((uf_info->max_rx_buf_length == 0) || | |
2054 | (uf_info->max_rx_buf_length % UCC_GETH_MRBLR_ALIGNMENT)) { | |
890de95e | 2055 | if (netif_msg_probe(ugeth)) |
c84d8055 | 2056 | pr_err("max_rx_buf_length must be non-zero multiple of 128\n"); |
ce973b14 LY |
2057 | return -EINVAL; |
2058 | } | |
2059 | ||
2060 | /* num Tx queues */ | |
53f49d86 | 2061 | if (ucc_geth_tx_queues(ug_info) > NUM_TX_QUEUES) { |
890de95e | 2062 | if (netif_msg_probe(ugeth)) |
c84d8055 | 2063 | pr_err("number of tx queues too large\n"); |
ce973b14 LY |
2064 | return -EINVAL; |
2065 | } | |
2066 | ||
2067 | /* num Rx queues */ | |
53f49d86 | 2068 | if (ucc_geth_rx_queues(ug_info) > NUM_RX_QUEUES) { |
890de95e | 2069 | if (netif_msg_probe(ugeth)) |
c84d8055 | 2070 | pr_err("number of rx queues too large\n"); |
ce973b14 LY |
2071 | return -EINVAL; |
2072 | } | |
2073 | ||
2074 | /* l2qt */ | |
2075 | for (i = 0; i < UCC_GETH_VLAN_PRIORITY_MAX; i++) { | |
53f49d86 | 2076 | if (ug_info->l2qt[i] >= ucc_geth_rx_queues(ug_info)) { |
890de95e | 2077 | if (netif_msg_probe(ugeth)) |
c84d8055 | 2078 | pr_err("VLAN priority table entry must not be larger than number of Rx queues\n"); |
ce973b14 LY |
2079 | return -EINVAL; |
2080 | } | |
2081 | } | |
2082 | ||
2083 | /* l3qt */ | |
2084 | for (i = 0; i < UCC_GETH_IP_PRIORITY_MAX; i++) { | |
53f49d86 | 2085 | if (ug_info->l3qt[i] >= ucc_geth_rx_queues(ug_info)) { |
890de95e | 2086 | if (netif_msg_probe(ugeth)) |
c84d8055 | 2087 | pr_err("IP priority table entry must not be larger than number of Rx queues\n"); |
ce973b14 LY |
2088 | return -EINVAL; |
2089 | } | |
2090 | } | |
2091 | ||
2092 | if (ug_info->cam && !ug_info->ecamptr) { | |
890de95e | 2093 | if (netif_msg_probe(ugeth)) |
c84d8055 | 2094 | pr_err("If cam mode is chosen, must supply cam ptr\n"); |
ce973b14 LY |
2095 | return -EINVAL; |
2096 | } | |
2097 | ||
2098 | if ((ug_info->numStationAddresses != | |
8e95a202 JP |
2099 | UCC_GETH_NUM_OF_STATION_ADDRESSES_1) && |
2100 | ug_info->rxExtendedFiltering) { | |
890de95e | 2101 | if (netif_msg_probe(ugeth)) |
c84d8055 | 2102 | pr_err("Number of station addresses greater than 1 not allowed in extended parsing mode\n"); |
ce973b14 LY |
2103 | return -EINVAL; |
2104 | } | |
2105 | ||
2106 | /* Generate uccm_mask for receive */ | |
2107 | uf_info->uccm_mask = ug_info->eventRegMask & UCCE_OTHER;/* Errors */ | |
53f49d86 | 2108 | for (i = 0; i < ucc_geth_rx_queues(ug_info); i++) |
3bc53427 | 2109 | uf_info->uccm_mask |= (UCC_GETH_UCCE_RXF0 << i); |
ce973b14 | 2110 | |
53f49d86 | 2111 | for (i = 0; i < ucc_geth_tx_queues(ug_info); i++) |
3bc53427 | 2112 | uf_info->uccm_mask |= (UCC_GETH_UCCE_TXB0 << i); |
ce973b14 | 2113 | /* Initialize the general fast UCC block. */ |
728de4c9 | 2114 | if (ucc_fast_init(uf_info, &ugeth->uccf)) { |
890de95e | 2115 | if (netif_msg_probe(ugeth)) |
c84d8055 | 2116 | pr_err("Failed to init uccf\n"); |
ce973b14 LY |
2117 | return -ENOMEM; |
2118 | } | |
728de4c9 | 2119 | |
345f8422 HW |
2120 | /* read the number of risc engines, update the riscTx and riscRx |
2121 | * if there are 4 riscs in QE | |
2122 | */ | |
2123 | if (qe_get_num_of_risc() == 4) { | |
2124 | ug_info->riscTx = QE_RISC_ALLOCATION_FOUR_RISCS; | |
2125 | ug_info->riscRx = QE_RISC_ALLOCATION_FOUR_RISCS; | |
2126 | } | |
2127 | ||
3e73fc9a AV |
2128 | ugeth->ug_regs = ioremap(uf_info->regs, sizeof(*ugeth->ug_regs)); |
2129 | if (!ugeth->ug_regs) { | |
2130 | if (netif_msg_probe(ugeth)) | |
c84d8055 | 2131 | pr_err("Failed to ioremap regs\n"); |
3e73fc9a AV |
2132 | return -ENOMEM; |
2133 | } | |
728de4c9 KP |
2134 | |
2135 | return 0; | |
2136 | } | |
2137 | ||
e19a82c1 PG |
2138 | static int ucc_geth_alloc_tx(struct ucc_geth_private *ugeth) |
2139 | { | |
2140 | struct ucc_geth_info *ug_info; | |
2141 | struct ucc_fast_info *uf_info; | |
2142 | int length; | |
2143 | u16 i, j; | |
2144 | u8 __iomem *bd; | |
2145 | ||
2146 | ug_info = ugeth->ug_info; | |
2147 | uf_info = &ug_info->uf_info; | |
2148 | ||
2149 | /* Allocate Tx bds */ | |
53f49d86 | 2150 | for (j = 0; j < ucc_geth_tx_queues(ug_info); j++) { |
9b0dfef4 RV |
2151 | u32 align = max(UCC_GETH_TX_BD_RING_ALIGNMENT, |
2152 | UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT); | |
2153 | u32 alloc; | |
2154 | ||
2155 | length = ug_info->bdRingLenTx[j] * sizeof(struct qe_bd); | |
2156 | alloc = round_up(length, align); | |
2157 | alloc = roundup_pow_of_two(alloc); | |
2158 | ||
2159 | ugeth->p_tx_bd_ring[j] = kmalloc(alloc, GFP_KERNEL); | |
64a99fe5 | 2160 | |
e19a82c1 PG |
2161 | if (!ugeth->p_tx_bd_ring[j]) { |
2162 | if (netif_msg_ifup(ugeth)) | |
c84d8055 | 2163 | pr_err("Can not allocate memory for Tx bd rings\n"); |
e19a82c1 PG |
2164 | return -ENOMEM; |
2165 | } | |
2166 | /* Zero unused end of bd ring, according to spec */ | |
9b0dfef4 | 2167 | memset(ugeth->p_tx_bd_ring[j] + length, 0, alloc - length); |
e19a82c1 PG |
2168 | } |
2169 | ||
2170 | /* Init Tx bds */ | |
53f49d86 | 2171 | for (j = 0; j < ucc_geth_tx_queues(ug_info); j++) { |
e19a82c1 | 2172 | /* Setup the skbuff rings */ |
6da2ec56 | 2173 | ugeth->tx_skbuff[j] = |
33deb13c RV |
2174 | kcalloc(ugeth->ug_info->bdRingLenTx[j], |
2175 | sizeof(struct sk_buff *), GFP_KERNEL); | |
e19a82c1 PG |
2176 | |
2177 | if (ugeth->tx_skbuff[j] == NULL) { | |
2178 | if (netif_msg_ifup(ugeth)) | |
c84d8055 | 2179 | pr_err("Could not allocate tx_skbuff\n"); |
e19a82c1 PG |
2180 | return -ENOMEM; |
2181 | } | |
2182 | ||
e19a82c1 PG |
2183 | ugeth->skb_curtx[j] = ugeth->skb_dirtytx[j] = 0; |
2184 | bd = ugeth->confBd[j] = ugeth->txBd[j] = ugeth->p_tx_bd_ring[j]; | |
2185 | for (i = 0; i < ug_info->bdRingLenTx[j]; i++) { | |
2186 | /* clear bd buffer */ | |
2187 | out_be32(&((struct qe_bd __iomem *)bd)->buf, 0); | |
2188 | /* set bd status and length */ | |
2189 | out_be32((u32 __iomem *)bd, 0); | |
2190 | bd += sizeof(struct qe_bd); | |
2191 | } | |
2192 | bd -= sizeof(struct qe_bd); | |
2193 | /* set bd status and length */ | |
2194 | out_be32((u32 __iomem *)bd, T_W); /* for last BD set Wrap bit */ | |
2195 | } | |
2196 | ||
2197 | return 0; | |
2198 | } | |
2199 | ||
2200 | static int ucc_geth_alloc_rx(struct ucc_geth_private *ugeth) | |
2201 | { | |
2202 | struct ucc_geth_info *ug_info; | |
2203 | struct ucc_fast_info *uf_info; | |
2204 | int length; | |
2205 | u16 i, j; | |
2206 | u8 __iomem *bd; | |
2207 | ||
2208 | ug_info = ugeth->ug_info; | |
2209 | uf_info = &ug_info->uf_info; | |
2210 | ||
2211 | /* Allocate Rx bds */ | |
53f49d86 | 2212 | for (j = 0; j < ucc_geth_rx_queues(ug_info); j++) { |
64a99fe5 | 2213 | u32 align = UCC_GETH_RX_BD_RING_ALIGNMENT; |
9b0dfef4 | 2214 | u32 alloc; |
64a99fe5 | 2215 | |
e19a82c1 | 2216 | length = ug_info->bdRingLenRx[j] * sizeof(struct qe_bd); |
9b0dfef4 RV |
2217 | alloc = round_up(length, align); |
2218 | alloc = roundup_pow_of_two(alloc); | |
64a99fe5 | 2219 | |
9b0dfef4 | 2220 | ugeth->p_rx_bd_ring[j] = kmalloc(alloc, GFP_KERNEL); |
e19a82c1 PG |
2221 | if (!ugeth->p_rx_bd_ring[j]) { |
2222 | if (netif_msg_ifup(ugeth)) | |
c84d8055 | 2223 | pr_err("Can not allocate memory for Rx bd rings\n"); |
e19a82c1 PG |
2224 | return -ENOMEM; |
2225 | } | |
2226 | } | |
2227 | ||
2228 | /* Init Rx bds */ | |
53f49d86 | 2229 | for (j = 0; j < ucc_geth_rx_queues(ug_info); j++) { |
e19a82c1 | 2230 | /* Setup the skbuff rings */ |
6da2ec56 | 2231 | ugeth->rx_skbuff[j] = |
33deb13c RV |
2232 | kcalloc(ugeth->ug_info->bdRingLenRx[j], |
2233 | sizeof(struct sk_buff *), GFP_KERNEL); | |
e19a82c1 PG |
2234 | |
2235 | if (ugeth->rx_skbuff[j] == NULL) { | |
2236 | if (netif_msg_ifup(ugeth)) | |
c84d8055 | 2237 | pr_err("Could not allocate rx_skbuff\n"); |
e19a82c1 PG |
2238 | return -ENOMEM; |
2239 | } | |
2240 | ||
e19a82c1 PG |
2241 | ugeth->skb_currx[j] = 0; |
2242 | bd = ugeth->rxBd[j] = ugeth->p_rx_bd_ring[j]; | |
2243 | for (i = 0; i < ug_info->bdRingLenRx[j]; i++) { | |
2244 | /* set bd status and length */ | |
2245 | out_be32((u32 __iomem *)bd, R_I); | |
2246 | /* clear bd buffer */ | |
2247 | out_be32(&((struct qe_bd __iomem *)bd)->buf, 0); | |
2248 | bd += sizeof(struct qe_bd); | |
2249 | } | |
2250 | bd -= sizeof(struct qe_bd); | |
2251 | /* set bd status and length */ | |
2252 | out_be32((u32 __iomem *)bd, R_W); /* for last BD set Wrap bit */ | |
2253 | } | |
2254 | ||
2255 | return 0; | |
2256 | } | |
2257 | ||
728de4c9 KP |
2258 | static int ucc_geth_startup(struct ucc_geth_private *ugeth) |
2259 | { | |
6fee40e9 AF |
2260 | struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt; |
2261 | struct ucc_geth_init_pram __iomem *p_init_enet_pram; | |
728de4c9 KP |
2262 | struct ucc_fast_private *uccf; |
2263 | struct ucc_geth_info *ug_info; | |
2264 | struct ucc_fast_info *uf_info; | |
6fee40e9 AF |
2265 | struct ucc_fast __iomem *uf_regs; |
2266 | struct ucc_geth __iomem *ug_regs; | |
728de4c9 KP |
2267 | int ret_val = -EINVAL; |
2268 | u32 remoder = UCC_GETH_REMODER_INIT; | |
3bc53427 | 2269 | u32 init_enet_pram_offset, cecr_subblock, command; |
e19a82c1 | 2270 | u32 ifstat, i, j, size, l2qt, l3qt; |
728de4c9 | 2271 | u16 temoder = UCC_GETH_TEMODER_INIT; |
728de4c9 | 2272 | u8 function_code = 0; |
6fee40e9 | 2273 | u8 __iomem *endOfRing; |
728de4c9 | 2274 | u8 numThreadsRxNumerical, numThreadsTxNumerical; |
7d9fe900 | 2275 | s32 rx_glbl_pram_offset, tx_glbl_pram_offset; |
728de4c9 | 2276 | |
b39d66a8 | 2277 | ugeth_vdbg("%s: IN", __func__); |
728de4c9 KP |
2278 | uccf = ugeth->uccf; |
2279 | ug_info = ugeth->ug_info; | |
2280 | uf_info = &ug_info->uf_info; | |
2281 | uf_regs = uccf->uf_regs; | |
2282 | ug_regs = ugeth->ug_regs; | |
ce973b14 | 2283 | |
634b5bd7 RV |
2284 | numThreadsRxNumerical = ucc_geth_thread_count(ug_info->numThreadsRx); |
2285 | if (!numThreadsRxNumerical) { | |
890de95e | 2286 | if (netif_msg_ifup(ugeth)) |
c84d8055 | 2287 | pr_err("Bad number of Rx threads value\n"); |
ce973b14 | 2288 | return -EINVAL; |
ce973b14 LY |
2289 | } |
2290 | ||
634b5bd7 RV |
2291 | numThreadsTxNumerical = ucc_geth_thread_count(ug_info->numThreadsTx); |
2292 | if (!numThreadsTxNumerical) { | |
890de95e | 2293 | if (netif_msg_ifup(ugeth)) |
c84d8055 | 2294 | pr_err("Bad number of Tx threads value\n"); |
ce973b14 | 2295 | return -EINVAL; |
ce973b14 LY |
2296 | } |
2297 | ||
2298 | /* Calculate rx_extended_features */ | |
2299 | ugeth->rx_non_dynamic_extended_features = ug_info->ipCheckSumCheck || | |
2300 | ug_info->ipAddressAlignment || | |
2301 | (ug_info->numStationAddresses != | |
2302 | UCC_GETH_NUM_OF_STATION_ADDRESSES_1); | |
2303 | ||
2304 | ugeth->rx_extended_features = ugeth->rx_non_dynamic_extended_features || | |
8e95a202 JP |
2305 | (ug_info->vlanOperationTagged != UCC_GETH_VLAN_OPERATION_TAGGED_NOP) || |
2306 | (ug_info->vlanOperationNonTagged != | |
2307 | UCC_GETH_VLAN_OPERATION_NON_TAGGED_NOP); | |
ce973b14 | 2308 | |
ce973b14 LY |
2309 | init_default_reg_vals(&uf_regs->upsmr, |
2310 | &ug_regs->maccfg1, &ug_regs->maccfg2); | |
2311 | ||
2312 | /* Set UPSMR */ | |
2313 | /* For more details see the hardware spec. */ | |
2314 | init_rx_parameters(ug_info->bro, | |
2315 | ug_info->rsh, ug_info->pro, &uf_regs->upsmr); | |
2316 | ||
2317 | /* We're going to ignore other registers for now, */ | |
2318 | /* except as needed to get up and running */ | |
2319 | ||
2320 | /* Set MACCFG1 */ | |
2321 | /* For more details see the hardware spec. */ | |
2322 | init_flow_control_params(ug_info->aufc, | |
2323 | ug_info->receiveFlowControl, | |
ac421852 | 2324 | ug_info->transmitFlowControl, |
ce973b14 LY |
2325 | ug_info->pausePeriod, |
2326 | ug_info->extensionField, | |
2327 | &uf_regs->upsmr, | |
2328 | &ug_regs->uempr, &ug_regs->maccfg1); | |
2329 | ||
3bc53427 | 2330 | setbits32(&ug_regs->maccfg1, MACCFG1_ENABLE_RX | MACCFG1_ENABLE_TX); |
ce973b14 LY |
2331 | |
2332 | /* Set IPGIFG */ | |
2333 | /* For more details see the hardware spec. */ | |
2334 | ret_val = init_inter_frame_gap_params(ug_info->nonBackToBackIfgPart1, | |
2335 | ug_info->nonBackToBackIfgPart2, | |
2336 | ug_info-> | |
2337 | miminumInterFrameGapEnforcement, | |
2338 | ug_info->backToBackInterFrameGap, | |
2339 | &ug_regs->ipgifg); | |
2340 | if (ret_val != 0) { | |
890de95e | 2341 | if (netif_msg_ifup(ugeth)) |
c84d8055 | 2342 | pr_err("IPGIFG initialization parameter too large\n"); |
ce973b14 LY |
2343 | return ret_val; |
2344 | } | |
2345 | ||
2346 | /* Set HAFDUP */ | |
2347 | /* For more details see the hardware spec. */ | |
2348 | ret_val = init_half_duplex_params(ug_info->altBeb, | |
2349 | ug_info->backPressureNoBackoff, | |
2350 | ug_info->noBackoff, | |
2351 | ug_info->excessDefer, | |
2352 | ug_info->altBebTruncation, | |
2353 | ug_info->maxRetransmission, | |
2354 | ug_info->collisionWindow, | |
2355 | &ug_regs->hafdup); | |
2356 | if (ret_val != 0) { | |
890de95e | 2357 | if (netif_msg_ifup(ugeth)) |
c84d8055 | 2358 | pr_err("Half Duplex initialization parameter too large\n"); |
ce973b14 LY |
2359 | return ret_val; |
2360 | } | |
2361 | ||
2362 | /* Set IFSTAT */ | |
2363 | /* For more details see the hardware spec. */ | |
2364 | /* Read only - resets upon read */ | |
2365 | ifstat = in_be32(&ug_regs->ifstat); | |
2366 | ||
2367 | /* Clear UEMPR */ | |
2368 | /* For more details see the hardware spec. */ | |
2369 | out_be32(&ug_regs->uempr, 0); | |
2370 | ||
2371 | /* Set UESCR */ | |
2372 | /* For more details see the hardware spec. */ | |
2373 | init_hw_statistics_gathering_mode((ug_info->statisticsMode & | |
2374 | UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE), | |
2375 | 0, &uf_regs->upsmr, &ug_regs->uescr); | |
2376 | ||
e19a82c1 PG |
2377 | ret_val = ucc_geth_alloc_tx(ugeth); |
2378 | if (ret_val != 0) | |
2379 | return ret_val; | |
ce973b14 | 2380 | |
e19a82c1 PG |
2381 | ret_val = ucc_geth_alloc_rx(ugeth); |
2382 | if (ret_val != 0) | |
2383 | return ret_val; | |
ce973b14 LY |
2384 | |
2385 | /* | |
2386 | * Global PRAM | |
2387 | */ | |
2388 | /* Tx global PRAM */ | |
2389 | /* Allocate global tx parameter RAM page */ | |
7d9fe900 | 2390 | tx_glbl_pram_offset = |
18a8e864 | 2391 | qe_muram_alloc(sizeof(struct ucc_geth_tx_global_pram), |
ce973b14 | 2392 | UCC_GETH_TX_GLOBAL_PRAM_ALIGNMENT); |
7d9fe900 | 2393 | if (tx_glbl_pram_offset < 0) { |
890de95e | 2394 | if (netif_msg_ifup(ugeth)) |
c84d8055 | 2395 | pr_err("Can not allocate DPRAM memory for p_tx_glbl_pram\n"); |
ce973b14 LY |
2396 | return -ENOMEM; |
2397 | } | |
7d9fe900 | 2398 | ugeth->p_tx_glbl_pram = qe_muram_addr(tx_glbl_pram_offset); |
ce973b14 LY |
2399 | /* Fill global PRAM */ |
2400 | ||
2401 | /* TQPTR */ | |
2402 | /* Size varies with number of Tx threads */ | |
2403 | ugeth->thread_dat_tx_offset = | |
2404 | qe_muram_alloc(numThreadsTxNumerical * | |
18a8e864 | 2405 | sizeof(struct ucc_geth_thread_data_tx) + |
ce973b14 LY |
2406 | 32 * (numThreadsTxNumerical == 1), |
2407 | UCC_GETH_THREAD_DATA_ALIGNMENT); | |
4c35630c | 2408 | if (IS_ERR_VALUE(ugeth->thread_dat_tx_offset)) { |
890de95e | 2409 | if (netif_msg_ifup(ugeth)) |
c84d8055 | 2410 | pr_err("Can not allocate DPRAM memory for p_thread_data_tx\n"); |
ce973b14 LY |
2411 | return -ENOMEM; |
2412 | } | |
2413 | ||
2414 | ugeth->p_thread_data_tx = | |
6fee40e9 | 2415 | (struct ucc_geth_thread_data_tx __iomem *) qe_muram_addr(ugeth-> |
ce973b14 LY |
2416 | thread_dat_tx_offset); |
2417 | out_be32(&ugeth->p_tx_glbl_pram->tqptr, ugeth->thread_dat_tx_offset); | |
2418 | ||
2419 | /* vtagtable */ | |
2420 | for (i = 0; i < UCC_GETH_TX_VTAG_TABLE_ENTRY_MAX; i++) | |
2421 | out_be32(&ugeth->p_tx_glbl_pram->vtagtable[i], | |
2422 | ug_info->vtagtable[i]); | |
2423 | ||
2424 | /* iphoffset */ | |
2425 | for (i = 0; i < TX_IP_OFFSET_ENTRY_MAX; i++) | |
6fee40e9 AF |
2426 | out_8(&ugeth->p_tx_glbl_pram->iphoffset[i], |
2427 | ug_info->iphoffset[i]); | |
ce973b14 LY |
2428 | |
2429 | /* SQPTR */ | |
2430 | /* Size varies with number of Tx queues */ | |
2431 | ugeth->send_q_mem_reg_offset = | |
53f49d86 | 2432 | qe_muram_alloc(ucc_geth_tx_queues(ug_info) * |
18a8e864 | 2433 | sizeof(struct ucc_geth_send_queue_qd), |
ce973b14 | 2434 | UCC_GETH_SEND_QUEUE_QUEUE_DESCRIPTOR_ALIGNMENT); |
4c35630c | 2435 | if (IS_ERR_VALUE(ugeth->send_q_mem_reg_offset)) { |
890de95e | 2436 | if (netif_msg_ifup(ugeth)) |
c84d8055 | 2437 | pr_err("Can not allocate DPRAM memory for p_send_q_mem_reg\n"); |
ce973b14 LY |
2438 | return -ENOMEM; |
2439 | } | |
2440 | ||
2441 | ugeth->p_send_q_mem_reg = | |
6fee40e9 | 2442 | (struct ucc_geth_send_queue_mem_region __iomem *) qe_muram_addr(ugeth-> |
ce973b14 LY |
2443 | send_q_mem_reg_offset); |
2444 | out_be32(&ugeth->p_tx_glbl_pram->sqptr, ugeth->send_q_mem_reg_offset); | |
2445 | ||
2446 | /* Setup the table */ | |
2447 | /* Assume BD rings are already established */ | |
53f49d86 | 2448 | for (i = 0; i < ucc_geth_tx_queues(ug_info); i++) { |
ce973b14 LY |
2449 | endOfRing = |
2450 | ugeth->p_tx_bd_ring[i] + (ug_info->bdRingLenTx[i] - | |
18a8e864 | 2451 | 1) * sizeof(struct qe_bd); |
64a99fe5 RV |
2452 | out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].bd_ring_base, |
2453 | (u32) virt_to_phys(ugeth->p_tx_bd_ring[i])); | |
2454 | out_be32(&ugeth->p_send_q_mem_reg->sqqd[i]. | |
2455 | last_bd_completed_address, | |
2456 | (u32) virt_to_phys(endOfRing)); | |
ce973b14 LY |
2457 | } |
2458 | ||
2459 | /* schedulerbasepointer */ | |
2460 | ||
53f49d86 | 2461 | if (ucc_geth_tx_queues(ug_info) > 1) { |
ce973b14 LY |
2462 | /* scheduler exists only if more than 1 tx queue */ |
2463 | ugeth->scheduler_offset = | |
18a8e864 | 2464 | qe_muram_alloc(sizeof(struct ucc_geth_scheduler), |
ce973b14 | 2465 | UCC_GETH_SCHEDULER_ALIGNMENT); |
4c35630c | 2466 | if (IS_ERR_VALUE(ugeth->scheduler_offset)) { |
890de95e | 2467 | if (netif_msg_ifup(ugeth)) |
c84d8055 | 2468 | pr_err("Can not allocate DPRAM memory for p_scheduler\n"); |
ce973b14 LY |
2469 | return -ENOMEM; |
2470 | } | |
2471 | ||
2472 | ugeth->p_scheduler = | |
6fee40e9 | 2473 | (struct ucc_geth_scheduler __iomem *) qe_muram_addr(ugeth-> |
ce973b14 LY |
2474 | scheduler_offset); |
2475 | out_be32(&ugeth->p_tx_glbl_pram->schedulerbasepointer, | |
2476 | ugeth->scheduler_offset); | |
ce973b14 LY |
2477 | |
2478 | /* Set values in scheduler */ | |
2479 | out_be32(&ugeth->p_scheduler->mblinterval, | |
2480 | ug_info->mblinterval); | |
2481 | out_be16(&ugeth->p_scheduler->nortsrbytetime, | |
2482 | ug_info->nortsrbytetime); | |
6fee40e9 AF |
2483 | out_8(&ugeth->p_scheduler->fracsiz, ug_info->fracsiz); |
2484 | out_8(&ugeth->p_scheduler->strictpriorityq, | |
2485 | ug_info->strictpriorityq); | |
2486 | out_8(&ugeth->p_scheduler->txasap, ug_info->txasap); | |
2487 | out_8(&ugeth->p_scheduler->extrabw, ug_info->extrabw); | |
ce973b14 | 2488 | for (i = 0; i < NUM_TX_QUEUES; i++) |
6fee40e9 AF |
2489 | out_8(&ugeth->p_scheduler->weightfactor[i], |
2490 | ug_info->weightfactor[i]); | |
ce973b14 LY |
2491 | |
2492 | /* Set pointers to cpucount registers in scheduler */ | |
2493 | ugeth->p_cpucount[0] = &(ugeth->p_scheduler->cpucount0); | |
2494 | ugeth->p_cpucount[1] = &(ugeth->p_scheduler->cpucount1); | |
2495 | ugeth->p_cpucount[2] = &(ugeth->p_scheduler->cpucount2); | |
2496 | ugeth->p_cpucount[3] = &(ugeth->p_scheduler->cpucount3); | |
2497 | ugeth->p_cpucount[4] = &(ugeth->p_scheduler->cpucount4); | |
2498 | ugeth->p_cpucount[5] = &(ugeth->p_scheduler->cpucount5); | |
2499 | ugeth->p_cpucount[6] = &(ugeth->p_scheduler->cpucount6); | |
2500 | ugeth->p_cpucount[7] = &(ugeth->p_scheduler->cpucount7); | |
2501 | } | |
2502 | ||
2503 | /* schedulerbasepointer */ | |
2504 | /* TxRMON_PTR (statistics) */ | |
2505 | if (ug_info-> | |
2506 | statisticsMode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX) { | |
2507 | ugeth->tx_fw_statistics_pram_offset = | |
2508 | qe_muram_alloc(sizeof | |
18a8e864 | 2509 | (struct ucc_geth_tx_firmware_statistics_pram), |
ce973b14 | 2510 | UCC_GETH_TX_STATISTICS_ALIGNMENT); |
4c35630c | 2511 | if (IS_ERR_VALUE(ugeth->tx_fw_statistics_pram_offset)) { |
890de95e | 2512 | if (netif_msg_ifup(ugeth)) |
c84d8055 | 2513 | pr_err("Can not allocate DPRAM memory for p_tx_fw_statistics_pram\n"); |
ce973b14 LY |
2514 | return -ENOMEM; |
2515 | } | |
2516 | ugeth->p_tx_fw_statistics_pram = | |
6fee40e9 | 2517 | (struct ucc_geth_tx_firmware_statistics_pram __iomem *) |
ce973b14 | 2518 | qe_muram_addr(ugeth->tx_fw_statistics_pram_offset); |
ce973b14 LY |
2519 | } |
2520 | ||
2521 | /* temoder */ | |
2522 | /* Already has speed set */ | |
2523 | ||
53f49d86 | 2524 | if (ucc_geth_tx_queues(ug_info) > 1) |
ce973b14 LY |
2525 | temoder |= TEMODER_SCHEDULER_ENABLE; |
2526 | if (ug_info->ipCheckSumGenerate) | |
2527 | temoder |= TEMODER_IP_CHECKSUM_GENERATE; | |
53f49d86 | 2528 | temoder |= ((ucc_geth_tx_queues(ug_info) - 1) << TEMODER_NUM_OF_QUEUES_SHIFT); |
ce973b14 LY |
2529 | out_be16(&ugeth->p_tx_glbl_pram->temoder, temoder); |
2530 | ||
ce973b14 | 2531 | /* Function code register value to be used later */ |
6b0b594b | 2532 | function_code = UCC_BMR_BO_BE | UCC_BMR_GBL; |
ce973b14 LY |
2533 | /* Required for QE */ |
2534 | ||
2535 | /* function code register */ | |
2536 | out_be32(&ugeth->p_tx_glbl_pram->tstate, ((u32) function_code) << 24); | |
2537 | ||
2538 | /* Rx global PRAM */ | |
2539 | /* Allocate global rx parameter RAM page */ | |
7d9fe900 | 2540 | rx_glbl_pram_offset = |
18a8e864 | 2541 | qe_muram_alloc(sizeof(struct ucc_geth_rx_global_pram), |
ce973b14 | 2542 | UCC_GETH_RX_GLOBAL_PRAM_ALIGNMENT); |
7d9fe900 | 2543 | if (rx_glbl_pram_offset < 0) { |
890de95e | 2544 | if (netif_msg_ifup(ugeth)) |
c84d8055 | 2545 | pr_err("Can not allocate DPRAM memory for p_rx_glbl_pram\n"); |
ce973b14 LY |
2546 | return -ENOMEM; |
2547 | } | |
7d9fe900 | 2548 | ugeth->p_rx_glbl_pram = qe_muram_addr(rx_glbl_pram_offset); |
ce973b14 LY |
2549 | /* Fill global PRAM */ |
2550 | ||
2551 | /* RQPTR */ | |
2552 | /* Size varies with number of Rx threads */ | |
2553 | ugeth->thread_dat_rx_offset = | |
2554 | qe_muram_alloc(numThreadsRxNumerical * | |
18a8e864 | 2555 | sizeof(struct ucc_geth_thread_data_rx), |
ce973b14 | 2556 | UCC_GETH_THREAD_DATA_ALIGNMENT); |
4c35630c | 2557 | if (IS_ERR_VALUE(ugeth->thread_dat_rx_offset)) { |
890de95e | 2558 | if (netif_msg_ifup(ugeth)) |
c84d8055 | 2559 | pr_err("Can not allocate DPRAM memory for p_thread_data_rx\n"); |
ce973b14 LY |
2560 | return -ENOMEM; |
2561 | } | |
2562 | ||
2563 | ugeth->p_thread_data_rx = | |
6fee40e9 | 2564 | (struct ucc_geth_thread_data_rx __iomem *) qe_muram_addr(ugeth-> |
ce973b14 LY |
2565 | thread_dat_rx_offset); |
2566 | out_be32(&ugeth->p_rx_glbl_pram->rqptr, ugeth->thread_dat_rx_offset); | |
2567 | ||
2568 | /* typeorlen */ | |
2569 | out_be16(&ugeth->p_rx_glbl_pram->typeorlen, ug_info->typeorlen); | |
2570 | ||
2571 | /* rxrmonbaseptr (statistics) */ | |
2572 | if (ug_info-> | |
2573 | statisticsMode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX) { | |
2574 | ugeth->rx_fw_statistics_pram_offset = | |
2575 | qe_muram_alloc(sizeof | |
18a8e864 | 2576 | (struct ucc_geth_rx_firmware_statistics_pram), |
ce973b14 | 2577 | UCC_GETH_RX_STATISTICS_ALIGNMENT); |
4c35630c | 2578 | if (IS_ERR_VALUE(ugeth->rx_fw_statistics_pram_offset)) { |
890de95e | 2579 | if (netif_msg_ifup(ugeth)) |
c84d8055 | 2580 | pr_err("Can not allocate DPRAM memory for p_rx_fw_statistics_pram\n"); |
ce973b14 LY |
2581 | return -ENOMEM; |
2582 | } | |
2583 | ugeth->p_rx_fw_statistics_pram = | |
6fee40e9 | 2584 | (struct ucc_geth_rx_firmware_statistics_pram __iomem *) |
ce973b14 | 2585 | qe_muram_addr(ugeth->rx_fw_statistics_pram_offset); |
ce973b14 LY |
2586 | } |
2587 | ||
2588 | /* intCoalescingPtr */ | |
2589 | ||
2590 | /* Size varies with number of Rx queues */ | |
2591 | ugeth->rx_irq_coalescing_tbl_offset = | |
53f49d86 | 2592 | qe_muram_alloc(ucc_geth_rx_queues(ug_info) * |
7563907e MB |
2593 | sizeof(struct ucc_geth_rx_interrupt_coalescing_entry) |
2594 | + 4, UCC_GETH_RX_INTERRUPT_COALESCING_ALIGNMENT); | |
4c35630c | 2595 | if (IS_ERR_VALUE(ugeth->rx_irq_coalescing_tbl_offset)) { |
890de95e | 2596 | if (netif_msg_ifup(ugeth)) |
c84d8055 | 2597 | pr_err("Can not allocate DPRAM memory for p_rx_irq_coalescing_tbl\n"); |
ce973b14 LY |
2598 | return -ENOMEM; |
2599 | } | |
2600 | ||
2601 | ugeth->p_rx_irq_coalescing_tbl = | |
6fee40e9 | 2602 | (struct ucc_geth_rx_interrupt_coalescing_table __iomem *) |
ce973b14 LY |
2603 | qe_muram_addr(ugeth->rx_irq_coalescing_tbl_offset); |
2604 | out_be32(&ugeth->p_rx_glbl_pram->intcoalescingptr, | |
2605 | ugeth->rx_irq_coalescing_tbl_offset); | |
2606 | ||
2607 | /* Fill interrupt coalescing table */ | |
53f49d86 | 2608 | for (i = 0; i < ucc_geth_rx_queues(ug_info); i++) { |
ce973b14 LY |
2609 | out_be32(&ugeth->p_rx_irq_coalescing_tbl->coalescingentry[i]. |
2610 | interruptcoalescingmaxvalue, | |
2611 | ug_info->interruptcoalescingmaxvalue[i]); | |
2612 | out_be32(&ugeth->p_rx_irq_coalescing_tbl->coalescingentry[i]. | |
2613 | interruptcoalescingcounter, | |
2614 | ug_info->interruptcoalescingmaxvalue[i]); | |
2615 | } | |
2616 | ||
2617 | /* MRBLR */ | |
2618 | init_max_rx_buff_len(uf_info->max_rx_buf_length, | |
2619 | &ugeth->p_rx_glbl_pram->mrblr); | |
2620 | /* MFLR */ | |
2621 | out_be16(&ugeth->p_rx_glbl_pram->mflr, ug_info->maxFrameLength); | |
2622 | /* MINFLR */ | |
2623 | init_min_frame_len(ug_info->minFrameLength, | |
2624 | &ugeth->p_rx_glbl_pram->minflr, | |
2625 | &ugeth->p_rx_glbl_pram->mrblr); | |
2626 | /* MAXD1 */ | |
2627 | out_be16(&ugeth->p_rx_glbl_pram->maxd1, ug_info->maxD1Length); | |
2628 | /* MAXD2 */ | |
2629 | out_be16(&ugeth->p_rx_glbl_pram->maxd2, ug_info->maxD2Length); | |
2630 | ||
2631 | /* l2qt */ | |
2632 | l2qt = 0; | |
2633 | for (i = 0; i < UCC_GETH_VLAN_PRIORITY_MAX; i++) | |
2634 | l2qt |= (ug_info->l2qt[i] << (28 - 4 * i)); | |
2635 | out_be32(&ugeth->p_rx_glbl_pram->l2qt, l2qt); | |
2636 | ||
2637 | /* l3qt */ | |
2638 | for (j = 0; j < UCC_GETH_IP_PRIORITY_MAX; j += 8) { | |
2639 | l3qt = 0; | |
2640 | for (i = 0; i < 8; i++) | |
2641 | l3qt |= (ug_info->l3qt[j + i] << (28 - 4 * i)); | |
18a8e864 | 2642 | out_be32(&ugeth->p_rx_glbl_pram->l3qt[j/8], l3qt); |
ce973b14 LY |
2643 | } |
2644 | ||
2645 | /* vlantype */ | |
2646 | out_be16(&ugeth->p_rx_glbl_pram->vlantype, ug_info->vlantype); | |
2647 | ||
2648 | /* vlantci */ | |
2649 | out_be16(&ugeth->p_rx_glbl_pram->vlantci, ug_info->vlantci); | |
2650 | ||
2651 | /* ecamptr */ | |
2652 | out_be32(&ugeth->p_rx_glbl_pram->ecamptr, ug_info->ecamptr); | |
2653 | ||
2654 | /* RBDQPTR */ | |
2655 | /* Size varies with number of Rx queues */ | |
2656 | ugeth->rx_bd_qs_tbl_offset = | |
53f49d86 | 2657 | qe_muram_alloc(ucc_geth_rx_queues(ug_info) * |
18a8e864 LY |
2658 | (sizeof(struct ucc_geth_rx_bd_queues_entry) + |
2659 | sizeof(struct ucc_geth_rx_prefetched_bds)), | |
ce973b14 | 2660 | UCC_GETH_RX_BD_QUEUES_ALIGNMENT); |
4c35630c | 2661 | if (IS_ERR_VALUE(ugeth->rx_bd_qs_tbl_offset)) { |
890de95e | 2662 | if (netif_msg_ifup(ugeth)) |
c84d8055 | 2663 | pr_err("Can not allocate DPRAM memory for p_rx_bd_qs_tbl\n"); |
ce973b14 LY |
2664 | return -ENOMEM; |
2665 | } | |
2666 | ||
2667 | ugeth->p_rx_bd_qs_tbl = | |
6fee40e9 | 2668 | (struct ucc_geth_rx_bd_queues_entry __iomem *) qe_muram_addr(ugeth-> |
ce973b14 LY |
2669 | rx_bd_qs_tbl_offset); |
2670 | out_be32(&ugeth->p_rx_glbl_pram->rbdqptr, ugeth->rx_bd_qs_tbl_offset); | |
ce973b14 LY |
2671 | |
2672 | /* Setup the table */ | |
2673 | /* Assume BD rings are already established */ | |
53f49d86 | 2674 | for (i = 0; i < ucc_geth_rx_queues(ug_info); i++) { |
64a99fe5 RV |
2675 | out_be32(&ugeth->p_rx_bd_qs_tbl[i].externalbdbaseptr, |
2676 | (u32) virt_to_phys(ugeth->p_rx_bd_ring[i])); | |
ce973b14 LY |
2677 | /* rest of fields handled by QE */ |
2678 | } | |
2679 | ||
2680 | /* remoder */ | |
2681 | /* Already has speed set */ | |
2682 | ||
2683 | if (ugeth->rx_extended_features) | |
2684 | remoder |= REMODER_RX_EXTENDED_FEATURES; | |
2685 | if (ug_info->rxExtendedFiltering) | |
2686 | remoder |= REMODER_RX_EXTENDED_FILTERING; | |
2687 | if (ug_info->dynamicMaxFrameLength) | |
2688 | remoder |= REMODER_DYNAMIC_MAX_FRAME_LENGTH; | |
2689 | if (ug_info->dynamicMinFrameLength) | |
2690 | remoder |= REMODER_DYNAMIC_MIN_FRAME_LENGTH; | |
2691 | remoder |= | |
2692 | ug_info->vlanOperationTagged << REMODER_VLAN_OPERATION_TAGGED_SHIFT; | |
2693 | remoder |= | |
2694 | ug_info-> | |
2695 | vlanOperationNonTagged << REMODER_VLAN_OPERATION_NON_TAGGED_SHIFT; | |
2696 | remoder |= ug_info->rxQoSMode << REMODER_RX_QOS_MODE_SHIFT; | |
53f49d86 | 2697 | remoder |= ((ucc_geth_rx_queues(ug_info) - 1) << REMODER_NUM_OF_QUEUES_SHIFT); |
ce973b14 LY |
2698 | if (ug_info->ipCheckSumCheck) |
2699 | remoder |= REMODER_IP_CHECKSUM_CHECK; | |
2700 | if (ug_info->ipAddressAlignment) | |
2701 | remoder |= REMODER_IP_ADDRESS_ALIGNMENT; | |
2702 | out_be32(&ugeth->p_rx_glbl_pram->remoder, remoder); | |
2703 | ||
2704 | /* Note that this function must be called */ | |
2705 | /* ONLY AFTER p_tx_fw_statistics_pram */ | |
2706 | /* andp_UccGethRxFirmwareStatisticsPram are allocated ! */ | |
2707 | init_firmware_statistics_gathering_mode((ug_info-> | |
2708 | statisticsMode & | |
2709 | UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX), | |
2710 | (ug_info->statisticsMode & | |
2711 | UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX), | |
2712 | &ugeth->p_tx_glbl_pram->txrmonbaseptr, | |
2713 | ugeth->tx_fw_statistics_pram_offset, | |
2714 | &ugeth->p_rx_glbl_pram->rxrmonbaseptr, | |
2715 | ugeth->rx_fw_statistics_pram_offset, | |
2716 | &ugeth->p_tx_glbl_pram->temoder, | |
2717 | &ugeth->p_rx_glbl_pram->remoder); | |
2718 | ||
2719 | /* function code register */ | |
6fee40e9 | 2720 | out_8(&ugeth->p_rx_glbl_pram->rstate, function_code); |
ce973b14 LY |
2721 | |
2722 | /* initialize extended filtering */ | |
2723 | if (ug_info->rxExtendedFiltering) { | |
2724 | if (!ug_info->extendedFilteringChainPointer) { | |
890de95e | 2725 | if (netif_msg_ifup(ugeth)) |
c84d8055 | 2726 | pr_err("Null Extended Filtering Chain Pointer\n"); |
ce973b14 LY |
2727 | return -EINVAL; |
2728 | } | |
2729 | ||
2730 | /* Allocate memory for extended filtering Mode Global | |
2731 | Parameters */ | |
2732 | ugeth->exf_glbl_param_offset = | |
18a8e864 | 2733 | qe_muram_alloc(sizeof(struct ucc_geth_exf_global_pram), |
ce973b14 | 2734 | UCC_GETH_RX_EXTENDED_FILTERING_GLOBAL_PARAMETERS_ALIGNMENT); |
4c35630c | 2735 | if (IS_ERR_VALUE(ugeth->exf_glbl_param_offset)) { |
890de95e | 2736 | if (netif_msg_ifup(ugeth)) |
c84d8055 | 2737 | pr_err("Can not allocate DPRAM memory for p_exf_glbl_param\n"); |
ce973b14 LY |
2738 | return -ENOMEM; |
2739 | } | |
2740 | ||
2741 | ugeth->p_exf_glbl_param = | |
6fee40e9 | 2742 | (struct ucc_geth_exf_global_pram __iomem *) qe_muram_addr(ugeth-> |
ce973b14 LY |
2743 | exf_glbl_param_offset); |
2744 | out_be32(&ugeth->p_rx_glbl_pram->exfGlobalParam, | |
2745 | ugeth->exf_glbl_param_offset); | |
2746 | out_be32(&ugeth->p_exf_glbl_param->l2pcdptr, | |
2747 | (u32) ug_info->extendedFilteringChainPointer); | |
2748 | ||
2749 | } else { /* initialize 82xx style address filtering */ | |
2750 | ||
2751 | /* Init individual address recognition registers to disabled */ | |
2752 | ||
2753 | for (j = 0; j < NUM_OF_PADDRS; j++) | |
2754 | ugeth_82xx_filtering_clear_addr_in_paddr(ugeth, (u8) j); | |
2755 | ||
ce973b14 | 2756 | p_82xx_addr_filt = |
6fee40e9 | 2757 | (struct ucc_geth_82xx_address_filtering_pram __iomem *) ugeth-> |
ce973b14 LY |
2758 | p_rx_glbl_pram->addressfiltering; |
2759 | ||
2760 | ugeth_82xx_filtering_clear_all_addr_in_hash(ugeth, | |
2761 | ENET_ADDR_TYPE_GROUP); | |
2762 | ugeth_82xx_filtering_clear_all_addr_in_hash(ugeth, | |
2763 | ENET_ADDR_TYPE_INDIVIDUAL); | |
2764 | } | |
2765 | ||
2766 | /* | |
2767 | * Initialize UCC at QE level | |
2768 | */ | |
2769 | ||
2770 | command = QE_INIT_TX_RX; | |
2771 | ||
2772 | /* Allocate shadow InitEnet command parameter structure. | |
2773 | * This is needed because after the InitEnet command is executed, | |
2774 | * the structure in DPRAM is released, because DPRAM is a premium | |
2775 | * resource. | |
2776 | * This shadow structure keeps a copy of what was done so that the | |
2777 | * allocated resources can be released when the channel is freed. | |
2778 | */ | |
2779 | if (!(ugeth->p_init_enet_param_shadow = | |
830c8ddc | 2780 | kzalloc(sizeof(struct ucc_geth_init_pram), GFP_KERNEL))) { |
890de95e | 2781 | if (netif_msg_ifup(ugeth)) |
c84d8055 | 2782 | pr_err("Can not allocate memory for p_UccInitEnetParamShadows\n"); |
ce973b14 LY |
2783 | return -ENOMEM; |
2784 | } | |
ce973b14 LY |
2785 | |
2786 | /* Fill shadow InitEnet command parameter structure */ | |
2787 | ||
2788 | ugeth->p_init_enet_param_shadow->resinit1 = | |
2789 | ENET_INIT_PARAM_MAGIC_RES_INIT1; | |
2790 | ugeth->p_init_enet_param_shadow->resinit2 = | |
2791 | ENET_INIT_PARAM_MAGIC_RES_INIT2; | |
2792 | ugeth->p_init_enet_param_shadow->resinit3 = | |
2793 | ENET_INIT_PARAM_MAGIC_RES_INIT3; | |
2794 | ugeth->p_init_enet_param_shadow->resinit4 = | |
2795 | ENET_INIT_PARAM_MAGIC_RES_INIT4; | |
2796 | ugeth->p_init_enet_param_shadow->resinit5 = | |
2797 | ENET_INIT_PARAM_MAGIC_RES_INIT5; | |
2798 | ugeth->p_init_enet_param_shadow->rgftgfrxglobal |= | |
2799 | ((u32) ug_info->numThreadsRx) << ENET_INIT_PARAM_RGF_SHIFT; | |
2800 | ugeth->p_init_enet_param_shadow->rgftgfrxglobal |= | |
2801 | ((u32) ug_info->numThreadsTx) << ENET_INIT_PARAM_TGF_SHIFT; | |
2802 | ||
2803 | ugeth->p_init_enet_param_shadow->rgftgfrxglobal |= | |
7d9fe900 | 2804 | rx_glbl_pram_offset | ug_info->riscRx; |
ce973b14 | 2805 | if ((ug_info->largestexternallookupkeysize != |
8e95a202 JP |
2806 | QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_NONE) && |
2807 | (ug_info->largestexternallookupkeysize != | |
2808 | QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_8_BYTES) && | |
2809 | (ug_info->largestexternallookupkeysize != | |
2810 | QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_16_BYTES)) { | |
890de95e | 2811 | if (netif_msg_ifup(ugeth)) |
c84d8055 | 2812 | pr_err("Invalid largest External Lookup Key Size\n"); |
ce973b14 LY |
2813 | return -EINVAL; |
2814 | } | |
2815 | ugeth->p_init_enet_param_shadow->largestexternallookupkeysize = | |
2816 | ug_info->largestexternallookupkeysize; | |
18a8e864 | 2817 | size = sizeof(struct ucc_geth_thread_rx_pram); |
ce973b14 LY |
2818 | if (ug_info->rxExtendedFiltering) { |
2819 | size += THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING; | |
2820 | if (ug_info->largestexternallookupkeysize == | |
8844a006 | 2821 | QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_8_BYTES) |
ce973b14 LY |
2822 | size += |
2823 | THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_8; | |
2824 | if (ug_info->largestexternallookupkeysize == | |
8844a006 | 2825 | QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_16_BYTES) |
ce973b14 LY |
2826 | size += |
2827 | THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_16; | |
2828 | } | |
2829 | ||
2830 | if ((ret_val = fill_init_enet_entries(ugeth, &(ugeth-> | |
2831 | p_init_enet_param_shadow->rxthread[0]), | |
2832 | (u8) (numThreadsRxNumerical + 1) | |
2833 | /* Rx needs one extra for terminator */ | |
2834 | , size, UCC_GETH_THREAD_RX_PRAM_ALIGNMENT, | |
2835 | ug_info->riscRx, 1)) != 0) { | |
890de95e | 2836 | if (netif_msg_ifup(ugeth)) |
c84d8055 | 2837 | pr_err("Can not fill p_init_enet_param_shadow\n"); |
ce973b14 LY |
2838 | return ret_val; |
2839 | } | |
2840 | ||
2841 | ugeth->p_init_enet_param_shadow->txglobal = | |
7d9fe900 | 2842 | tx_glbl_pram_offset | ug_info->riscTx; |
ce973b14 LY |
2843 | if ((ret_val = |
2844 | fill_init_enet_entries(ugeth, | |
2845 | &(ugeth->p_init_enet_param_shadow-> | |
2846 | txthread[0]), numThreadsTxNumerical, | |
18a8e864 | 2847 | sizeof(struct ucc_geth_thread_tx_pram), |
ce973b14 LY |
2848 | UCC_GETH_THREAD_TX_PRAM_ALIGNMENT, |
2849 | ug_info->riscTx, 0)) != 0) { | |
890de95e | 2850 | if (netif_msg_ifup(ugeth)) |
c84d8055 | 2851 | pr_err("Can not fill p_init_enet_param_shadow\n"); |
ce973b14 LY |
2852 | return ret_val; |
2853 | } | |
2854 | ||
2855 | /* Load Rx bds with buffers */ | |
53f49d86 | 2856 | for (i = 0; i < ucc_geth_rx_queues(ug_info); i++) { |
ce973b14 | 2857 | if ((ret_val = rx_bd_buffer_set(ugeth, (u8) i)) != 0) { |
890de95e | 2858 | if (netif_msg_ifup(ugeth)) |
c84d8055 | 2859 | pr_err("Can not fill Rx bds with buffers\n"); |
ce973b14 LY |
2860 | return ret_val; |
2861 | } | |
2862 | } | |
2863 | ||
2864 | /* Allocate InitEnet command parameter structure */ | |
18a8e864 | 2865 | init_enet_pram_offset = qe_muram_alloc(sizeof(struct ucc_geth_init_pram), 4); |
4c35630c | 2866 | if (IS_ERR_VALUE(init_enet_pram_offset)) { |
890de95e | 2867 | if (netif_msg_ifup(ugeth)) |
c84d8055 | 2868 | pr_err("Can not allocate DPRAM memory for p_init_enet_pram\n"); |
ce973b14 LY |
2869 | return -ENOMEM; |
2870 | } | |
2871 | p_init_enet_pram = | |
6fee40e9 | 2872 | (struct ucc_geth_init_pram __iomem *) qe_muram_addr(init_enet_pram_offset); |
ce973b14 LY |
2873 | |
2874 | /* Copy shadow InitEnet command parameter structure into PRAM */ | |
6fee40e9 AF |
2875 | out_8(&p_init_enet_pram->resinit1, |
2876 | ugeth->p_init_enet_param_shadow->resinit1); | |
2877 | out_8(&p_init_enet_pram->resinit2, | |
2878 | ugeth->p_init_enet_param_shadow->resinit2); | |
2879 | out_8(&p_init_enet_pram->resinit3, | |
2880 | ugeth->p_init_enet_param_shadow->resinit3); | |
2881 | out_8(&p_init_enet_pram->resinit4, | |
2882 | ugeth->p_init_enet_param_shadow->resinit4); | |
ce973b14 LY |
2883 | out_be16(&p_init_enet_pram->resinit5, |
2884 | ugeth->p_init_enet_param_shadow->resinit5); | |
6fee40e9 AF |
2885 | out_8(&p_init_enet_pram->largestexternallookupkeysize, |
2886 | ugeth->p_init_enet_param_shadow->largestexternallookupkeysize); | |
ce973b14 LY |
2887 | out_be32(&p_init_enet_pram->rgftgfrxglobal, |
2888 | ugeth->p_init_enet_param_shadow->rgftgfrxglobal); | |
2889 | for (i = 0; i < ENET_INIT_PARAM_MAX_ENTRIES_RX; i++) | |
2890 | out_be32(&p_init_enet_pram->rxthread[i], | |
2891 | ugeth->p_init_enet_param_shadow->rxthread[i]); | |
2892 | out_be32(&p_init_enet_pram->txglobal, | |
2893 | ugeth->p_init_enet_param_shadow->txglobal); | |
2894 | for (i = 0; i < ENET_INIT_PARAM_MAX_ENTRIES_TX; i++) | |
2895 | out_be32(&p_init_enet_pram->txthread[i], | |
2896 | ugeth->p_init_enet_param_shadow->txthread[i]); | |
2897 | ||
2898 | /* Issue QE command */ | |
2899 | cecr_subblock = | |
2900 | ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num); | |
18a8e864 | 2901 | qe_issue_cmd(command, cecr_subblock, QE_CR_PROTOCOL_ETHERNET, |
ce973b14 LY |
2902 | init_enet_pram_offset); |
2903 | ||
2904 | /* Free InitEnet command parameter */ | |
2905 | qe_muram_free(init_enet_pram_offset); | |
2906 | ||
2907 | return 0; | |
2908 | } | |
2909 | ||
ce973b14 LY |
2910 | /* This is called by the kernel when a frame is ready for transmission. */ |
2911 | /* It is pointed to by the dev->hard_start_xmit function pointer */ | |
06983aa5 Y |
2912 | static netdev_tx_t |
2913 | ucc_geth_start_xmit(struct sk_buff *skb, struct net_device *dev) | |
ce973b14 | 2914 | { |
18a8e864 | 2915 | struct ucc_geth_private *ugeth = netdev_priv(dev); |
d5b9049d MR |
2916 | #ifdef CONFIG_UGETH_TX_ON_DEMAND |
2917 | struct ucc_fast_private *uccf; | |
2918 | #endif | |
6fee40e9 | 2919 | u8 __iomem *bd; /* BD pointer */ |
ce973b14 LY |
2920 | u32 bd_status; |
2921 | u8 txQ = 0; | |
22580f89 | 2922 | unsigned long flags; |
ce973b14 | 2923 | |
b39d66a8 | 2924 | ugeth_vdbg("%s: IN", __func__); |
ce973b14 | 2925 | |
f79e7115 | 2926 | netdev_sent_queue(dev, skb->len); |
22580f89 | 2927 | spin_lock_irqsave(&ugeth->lock, flags); |
ce973b14 | 2928 | |
09f75cd7 | 2929 | dev->stats.tx_bytes += skb->len; |
ce973b14 LY |
2930 | |
2931 | /* Start from the next BD that should be filled */ | |
2932 | bd = ugeth->txBd[txQ]; | |
6fee40e9 | 2933 | bd_status = in_be32((u32 __iomem *)bd); |
ce973b14 LY |
2934 | /* Save the skb pointer so we can free it later */ |
2935 | ugeth->tx_skbuff[txQ][ugeth->skb_curtx[txQ]] = skb; | |
2936 | ||
2937 | /* Update the current skb pointer (wrapping if this was the last) */ | |
2938 | ugeth->skb_curtx[txQ] = | |
2939 | (ugeth->skb_curtx[txQ] + | |
2940 | 1) & TX_RING_MOD_MASK(ugeth->ug_info->bdRingLenTx[txQ]); | |
2941 | ||
2942 | /* set up the buffer descriptor */ | |
6fee40e9 | 2943 | out_be32(&((struct qe_bd __iomem *)bd)->buf, |
da1aa63e | 2944 | dma_map_single(ugeth->dev, skb->data, |
7f80202b | 2945 | skb->len, DMA_TO_DEVICE)); |
ce973b14 | 2946 | |
18a8e864 | 2947 | /* printk(KERN_DEBUG"skb->data is 0x%x\n",skb->data); */ |
ce973b14 LY |
2948 | |
2949 | bd_status = (bd_status & T_W) | T_R | T_I | T_L | skb->len; | |
2950 | ||
18a8e864 | 2951 | /* set bd status and length */ |
6fee40e9 | 2952 | out_be32((u32 __iomem *)bd, bd_status); |
ce973b14 | 2953 | |
ce973b14 LY |
2954 | /* Move to next BD in the ring */ |
2955 | if (!(bd_status & T_W)) | |
a394f013 | 2956 | bd += sizeof(struct qe_bd); |
ce973b14 | 2957 | else |
a394f013 | 2958 | bd = ugeth->p_tx_bd_ring[txQ]; |
ce973b14 LY |
2959 | |
2960 | /* If the next BD still needs to be cleaned up, then the bds | |
2961 | are full. We need to tell the kernel to stop sending us stuff. */ | |
2962 | if (bd == ugeth->confBd[txQ]) { | |
2963 | if (!netif_queue_stopped(dev)) | |
2964 | netif_stop_queue(dev); | |
2965 | } | |
2966 | ||
a394f013 LY |
2967 | ugeth->txBd[txQ] = bd; |
2968 | ||
d13d6bff RC |
2969 | skb_tx_timestamp(skb); |
2970 | ||
ce973b14 LY |
2971 | if (ugeth->p_scheduler) { |
2972 | ugeth->cpucount[txQ]++; | |
2973 | /* Indicate to QE that there are more Tx bds ready for | |
2974 | transmission */ | |
2975 | /* This is done by writing a running counter of the bd | |
2976 | count to the scheduler PRAM. */ | |
2977 | out_be16(ugeth->p_cpucount[txQ], ugeth->cpucount[txQ]); | |
2978 | } | |
2979 | ||
d5b9049d MR |
2980 | #ifdef CONFIG_UGETH_TX_ON_DEMAND |
2981 | uccf = ugeth->uccf; | |
2982 | out_be16(uccf->p_utodr, UCC_FAST_TOD); | |
2983 | #endif | |
22580f89 | 2984 | spin_unlock_irqrestore(&ugeth->lock, flags); |
ce973b14 | 2985 | |
6ed10654 | 2986 | return NETDEV_TX_OK; |
ce973b14 LY |
2987 | } |
2988 | ||
18a8e864 | 2989 | static int ucc_geth_rx(struct ucc_geth_private *ugeth, u8 rxQ, int rx_work_limit) |
ce973b14 LY |
2990 | { |
2991 | struct sk_buff *skb; | |
6fee40e9 | 2992 | u8 __iomem *bd; |
ce973b14 LY |
2993 | u16 length, howmany = 0; |
2994 | u32 bd_status; | |
2995 | u8 *bdBuffer; | |
4b8fdefa | 2996 | struct net_device *dev; |
ce973b14 | 2997 | |
b39d66a8 | 2998 | ugeth_vdbg("%s: IN", __func__); |
ce973b14 | 2999 | |
da1aa63e | 3000 | dev = ugeth->ndev; |
88a15f2e | 3001 | |
ce973b14 LY |
3002 | /* collect received buffers */ |
3003 | bd = ugeth->rxBd[rxQ]; | |
3004 | ||
6fee40e9 | 3005 | bd_status = in_be32((u32 __iomem *)bd); |
ce973b14 LY |
3006 | |
3007 | /* while there are received buffers and BD is full (~R_E) */ | |
3008 | while (!((bd_status & (R_E)) || (--rx_work_limit < 0))) { | |
6fee40e9 | 3009 | bdBuffer = (u8 *) in_be32(&((struct qe_bd __iomem *)bd)->buf); |
ce973b14 LY |
3010 | length = (u16) ((bd_status & BD_LENGTH_MASK) - 4); |
3011 | skb = ugeth->rx_skbuff[rxQ][ugeth->skb_currx[rxQ]]; | |
3012 | ||
3013 | /* determine whether buffer is first, last, first and last | |
3014 | (single buffer frame) or middle (not first and not last) */ | |
3015 | if (!skb || | |
3016 | (!(bd_status & (R_F | R_L))) || | |
3017 | (bd_status & R_ERRORS_FATAL)) { | |
890de95e | 3018 | if (netif_msg_rx_err(ugeth)) |
c84d8055 JP |
3019 | pr_err("%d: ERROR!!! skb - 0x%08x\n", |
3020 | __LINE__, (u32)skb); | |
66eef59f | 3021 | dev_kfree_skb(skb); |
ce973b14 LY |
3022 | |
3023 | ugeth->rx_skbuff[rxQ][ugeth->skb_currx[rxQ]] = NULL; | |
09f75cd7 | 3024 | dev->stats.rx_dropped++; |
ce973b14 | 3025 | } else { |
09f75cd7 | 3026 | dev->stats.rx_packets++; |
ce973b14 LY |
3027 | howmany++; |
3028 | ||
3029 | /* Prep the skb for the packet */ | |
3030 | skb_put(skb, length); | |
3031 | ||
3032 | /* Tell the skb what kind of packet this is */ | |
da1aa63e | 3033 | skb->protocol = eth_type_trans(skb, ugeth->ndev); |
ce973b14 | 3034 | |
09f75cd7 | 3035 | dev->stats.rx_bytes += length; |
ce973b14 | 3036 | /* Send the packet up the stack */ |
ce973b14 | 3037 | netif_receive_skb(skb); |
ce973b14 LY |
3038 | } |
3039 | ||
ce973b14 LY |
3040 | skb = get_new_skb(ugeth, bd); |
3041 | if (!skb) { | |
890de95e | 3042 | if (netif_msg_rx_err(ugeth)) |
c84d8055 | 3043 | pr_warn("No Rx Data Buffer\n"); |
09f75cd7 | 3044 | dev->stats.rx_dropped++; |
ce973b14 LY |
3045 | break; |
3046 | } | |
3047 | ||
3048 | ugeth->rx_skbuff[rxQ][ugeth->skb_currx[rxQ]] = skb; | |
3049 | ||
3050 | /* update to point at the next skb */ | |
3051 | ugeth->skb_currx[rxQ] = | |
3052 | (ugeth->skb_currx[rxQ] + | |
3053 | 1) & RX_RING_MOD_MASK(ugeth->ug_info->bdRingLenRx[rxQ]); | |
3054 | ||
3055 | if (bd_status & R_W) | |
3056 | bd = ugeth->p_rx_bd_ring[rxQ]; | |
3057 | else | |
18a8e864 | 3058 | bd += sizeof(struct qe_bd); |
ce973b14 | 3059 | |
6fee40e9 | 3060 | bd_status = in_be32((u32 __iomem *)bd); |
ce973b14 LY |
3061 | } |
3062 | ||
3063 | ugeth->rxBd[rxQ] = bd; | |
ce973b14 LY |
3064 | return howmany; |
3065 | } | |
3066 | ||
3067 | static int ucc_geth_tx(struct net_device *dev, u8 txQ) | |
3068 | { | |
3069 | /* Start from the next BD that should be filled */ | |
18a8e864 | 3070 | struct ucc_geth_private *ugeth = netdev_priv(dev); |
f79e7115 JT |
3071 | unsigned int bytes_sent = 0; |
3072 | int howmany = 0; | |
6fee40e9 | 3073 | u8 __iomem *bd; /* BD pointer */ |
ce973b14 LY |
3074 | u32 bd_status; |
3075 | ||
3076 | bd = ugeth->confBd[txQ]; | |
6fee40e9 | 3077 | bd_status = in_be32((u32 __iomem *)bd); |
ce973b14 LY |
3078 | |
3079 | /* Normal processing. */ | |
3080 | while ((bd_status & T_R) == 0) { | |
50f238fd AV |
3081 | struct sk_buff *skb; |
3082 | ||
ce973b14 LY |
3083 | /* BD contains already transmitted buffer. */ |
3084 | /* Handle the transmitted buffer and release */ | |
3085 | /* the BD to be used with the current frame */ | |
3086 | ||
34692421 JW |
3087 | skb = ugeth->tx_skbuff[txQ][ugeth->skb_dirtytx[txQ]]; |
3088 | if (!skb) | |
ce973b14 | 3089 | break; |
f79e7115 JT |
3090 | howmany++; |
3091 | bytes_sent += skb->len; | |
09f75cd7 | 3092 | dev->stats.tx_packets++; |
ce973b14 | 3093 | |
36145741 | 3094 | dev_consume_skb_any(skb); |
50f238fd | 3095 | |
ce973b14 LY |
3096 | ugeth->tx_skbuff[txQ][ugeth->skb_dirtytx[txQ]] = NULL; |
3097 | ugeth->skb_dirtytx[txQ] = | |
3098 | (ugeth->skb_dirtytx[txQ] + | |
3099 | 1) & TX_RING_MOD_MASK(ugeth->ug_info->bdRingLenTx[txQ]); | |
3100 | ||
3101 | /* We freed a buffer, so now we can restart transmission */ | |
3102 | if (netif_queue_stopped(dev)) | |
3103 | netif_wake_queue(dev); | |
3104 | ||
3105 | /* Advance the confirmation BD pointer */ | |
3106 | if (!(bd_status & T_W)) | |
a394f013 | 3107 | bd += sizeof(struct qe_bd); |
ce973b14 | 3108 | else |
a394f013 | 3109 | bd = ugeth->p_tx_bd_ring[txQ]; |
6fee40e9 | 3110 | bd_status = in_be32((u32 __iomem *)bd); |
ce973b14 | 3111 | } |
a394f013 | 3112 | ugeth->confBd[txQ] = bd; |
f79e7115 | 3113 | netdev_completed_queue(dev, howmany, bytes_sent); |
ce973b14 LY |
3114 | return 0; |
3115 | } | |
3116 | ||
bea3348e | 3117 | static int ucc_geth_poll(struct napi_struct *napi, int budget) |
ce973b14 | 3118 | { |
bea3348e | 3119 | struct ucc_geth_private *ugeth = container_of(napi, struct ucc_geth_private, napi); |
702ff12c | 3120 | struct ucc_geth_info *ug_info; |
bea3348e | 3121 | int howmany, i; |
ce973b14 | 3122 | |
702ff12c MR |
3123 | ug_info = ugeth->ug_info; |
3124 | ||
0cededf3 JT |
3125 | /* Tx event processing */ |
3126 | spin_lock(&ugeth->lock); | |
53f49d86 | 3127 | for (i = 0; i < ucc_geth_tx_queues(ug_info); i++) |
0cededf3 JT |
3128 | ucc_geth_tx(ugeth->ndev, i); |
3129 | spin_unlock(&ugeth->lock); | |
3130 | ||
50f238fd | 3131 | howmany = 0; |
53f49d86 | 3132 | for (i = 0; i < ucc_geth_rx_queues(ug_info); i++) |
50f238fd AV |
3133 | howmany += ucc_geth_rx(ugeth, i, budget - howmany); |
3134 | ||
bea3348e | 3135 | if (howmany < budget) { |
6ad20165 | 3136 | napi_complete_done(napi, howmany); |
0cededf3 | 3137 | setbits32(ugeth->uccf->p_uccm, UCCE_RX_EVENTS | UCCE_TX_EVENTS); |
702ff12c | 3138 | } |
ce973b14 | 3139 | |
bea3348e | 3140 | return howmany; |
ce973b14 | 3141 | } |
ce973b14 | 3142 | |
7d12e780 | 3143 | static irqreturn_t ucc_geth_irq_handler(int irq, void *info) |
ce973b14 | 3144 | { |
06efcad0 | 3145 | struct net_device *dev = info; |
18a8e864 LY |
3146 | struct ucc_geth_private *ugeth = netdev_priv(dev); |
3147 | struct ucc_fast_private *uccf; | |
3148 | struct ucc_geth_info *ug_info; | |
702ff12c MR |
3149 | register u32 ucce; |
3150 | register u32 uccm; | |
ce973b14 | 3151 | |
b39d66a8 | 3152 | ugeth_vdbg("%s: IN", __func__); |
ce973b14 | 3153 | |
ce973b14 LY |
3154 | uccf = ugeth->uccf; |
3155 | ug_info = ugeth->ug_info; | |
3156 | ||
702ff12c MR |
3157 | /* read and clear events */ |
3158 | ucce = (u32) in_be32(uccf->p_ucce); | |
3159 | uccm = (u32) in_be32(uccf->p_uccm); | |
3160 | ucce &= uccm; | |
3161 | out_be32(uccf->p_ucce, ucce); | |
ce973b14 | 3162 | |
702ff12c | 3163 | /* check for receive events that require processing */ |
0cededf3 | 3164 | if (ucce & (UCCE_RX_EVENTS | UCCE_TX_EVENTS)) { |
288379f0 | 3165 | if (napi_schedule_prep(&ugeth->napi)) { |
0cededf3 | 3166 | uccm &= ~(UCCE_RX_EVENTS | UCCE_TX_EVENTS); |
702ff12c | 3167 | out_be32(uccf->p_uccm, uccm); |
288379f0 | 3168 | __napi_schedule(&ugeth->napi); |
702ff12c | 3169 | } |
702ff12c | 3170 | } |
ce973b14 | 3171 | |
702ff12c MR |
3172 | /* Errors and other events */ |
3173 | if (ucce & UCCE_OTHER) { | |
3bc53427 | 3174 | if (ucce & UCC_GETH_UCCE_BSY) |
09f75cd7 | 3175 | dev->stats.rx_errors++; |
3bc53427 | 3176 | if (ucce & UCC_GETH_UCCE_TXE) |
09f75cd7 | 3177 | dev->stats.tx_errors++; |
ce973b14 | 3178 | } |
ce973b14 LY |
3179 | |
3180 | return IRQ_HANDLED; | |
3181 | } | |
3182 | ||
26d29ea7 AV |
3183 | #ifdef CONFIG_NET_POLL_CONTROLLER |
3184 | /* | |
3185 | * Polling 'interrupt' - used by things like netconsole to send skbs | |
3186 | * without having to re-enable interrupts. It's not called while | |
3187 | * the interrupt routine is executing. | |
3188 | */ | |
3189 | static void ucc_netpoll(struct net_device *dev) | |
3190 | { | |
3191 | struct ucc_geth_private *ugeth = netdev_priv(dev); | |
3192 | int irq = ugeth->ug_info->uf_info.irq; | |
3193 | ||
3194 | disable_irq(irq); | |
3195 | ucc_geth_irq_handler(irq, dev); | |
3196 | enable_irq(irq); | |
3197 | } | |
3198 | #endif /* CONFIG_NET_POLL_CONTROLLER */ | |
3199 | ||
3d6593e9 KH |
3200 | static int ucc_geth_set_mac_addr(struct net_device *dev, void *p) |
3201 | { | |
3202 | struct ucc_geth_private *ugeth = netdev_priv(dev); | |
3203 | struct sockaddr *addr = p; | |
3204 | ||
3205 | if (!is_valid_ether_addr(addr->sa_data)) | |
3206 | return -EADDRNOTAVAIL; | |
3207 | ||
a05e4c0a | 3208 | eth_hw_addr_set(dev, addr->sa_data); |
3d6593e9 KH |
3209 | |
3210 | /* | |
3211 | * If device is not running, we will set mac addr register | |
3212 | * when opening the device. | |
3213 | */ | |
3214 | if (!netif_running(dev)) | |
3215 | return 0; | |
3216 | ||
3217 | spin_lock_irq(&ugeth->lock); | |
3218 | init_mac_station_addr_regs(dev->dev_addr[0], | |
3219 | dev->dev_addr[1], | |
3220 | dev->dev_addr[2], | |
3221 | dev->dev_addr[3], | |
3222 | dev->dev_addr[4], | |
3223 | dev->dev_addr[5], | |
3224 | &ugeth->ug_regs->macstnaddr1, | |
3225 | &ugeth->ug_regs->macstnaddr2); | |
3226 | spin_unlock_irq(&ugeth->lock); | |
3227 | ||
3228 | return 0; | |
3229 | } | |
3230 | ||
54b15983 | 3231 | static int ucc_geth_init_mac(struct ucc_geth_private *ugeth) |
ce973b14 | 3232 | { |
54b15983 | 3233 | struct net_device *dev = ugeth->ndev; |
ce973b14 LY |
3234 | int err; |
3235 | ||
728de4c9 KP |
3236 | err = ucc_struct_init(ugeth); |
3237 | if (err) { | |
c84d8055 | 3238 | netif_err(ugeth, ifup, dev, "Cannot configure internal struct, aborting\n"); |
54b15983 | 3239 | goto err; |
728de4c9 KP |
3240 | } |
3241 | ||
ce973b14 LY |
3242 | err = ucc_geth_startup(ugeth); |
3243 | if (err) { | |
c84d8055 | 3244 | netif_err(ugeth, ifup, dev, "Cannot configure net device, aborting\n"); |
54b15983 | 3245 | goto err; |
ce973b14 LY |
3246 | } |
3247 | ||
3248 | err = adjust_enet_interface(ugeth); | |
3249 | if (err) { | |
c84d8055 | 3250 | netif_err(ugeth, ifup, dev, "Cannot configure net device, aborting\n"); |
54b15983 | 3251 | goto err; |
ce973b14 LY |
3252 | } |
3253 | ||
3254 | /* Set MACSTNADDR1, MACSTNADDR2 */ | |
3255 | /* For more details see the hardware spec. */ | |
3256 | init_mac_station_addr_regs(dev->dev_addr[0], | |
3257 | dev->dev_addr[1], | |
3258 | dev->dev_addr[2], | |
3259 | dev->dev_addr[3], | |
3260 | dev->dev_addr[4], | |
3261 | dev->dev_addr[5], | |
3262 | &ugeth->ug_regs->macstnaddr1, | |
3263 | &ugeth->ug_regs->macstnaddr2); | |
3264 | ||
67c2fb8f | 3265 | err = ugeth_enable(ugeth, COMM_DIR_RX_AND_TX); |
ce973b14 | 3266 | if (err) { |
c84d8055 | 3267 | netif_err(ugeth, ifup, dev, "Cannot enable net device, aborting\n"); |
54b15983 AV |
3268 | goto err; |
3269 | } | |
3270 | ||
3271 | return 0; | |
3272 | err: | |
3273 | ucc_geth_stop(ugeth); | |
3274 | return err; | |
3275 | } | |
3276 | ||
3277 | /* Called when something needs to use the ethernet device */ | |
3278 | /* Returns 0 for success. */ | |
3279 | static int ucc_geth_open(struct net_device *dev) | |
3280 | { | |
3281 | struct ucc_geth_private *ugeth = netdev_priv(dev); | |
3282 | int err; | |
3283 | ||
3284 | ugeth_vdbg("%s: IN", __func__); | |
3285 | ||
3286 | /* Test station address */ | |
3287 | if (dev->dev_addr[0] & ENET_GROUP_ADDR) { | |
c84d8055 JP |
3288 | netif_err(ugeth, ifup, dev, |
3289 | "Multicast address used for station address - is this what you wanted?\n"); | |
54b15983 AV |
3290 | return -EINVAL; |
3291 | } | |
3292 | ||
3293 | err = init_phy(dev); | |
3294 | if (err) { | |
c84d8055 | 3295 | netif_err(ugeth, ifup, dev, "Cannot initialize PHY, aborting\n"); |
54b15983 AV |
3296 | return err; |
3297 | } | |
3298 | ||
3299 | err = ucc_geth_init_mac(ugeth); | |
3300 | if (err) { | |
c84d8055 | 3301 | netif_err(ugeth, ifup, dev, "Cannot initialize MAC, aborting\n"); |
54b15983 | 3302 | goto err; |
ce973b14 | 3303 | } |
ce973b14 | 3304 | |
67c2fb8f AV |
3305 | err = request_irq(ugeth->ug_info->uf_info.irq, ucc_geth_irq_handler, |
3306 | 0, "UCC Geth", dev); | |
ce973b14 | 3307 | if (err) { |
c84d8055 | 3308 | netif_err(ugeth, ifup, dev, "Cannot get IRQ for net device, aborting\n"); |
54b15983 | 3309 | goto err; |
ce973b14 LY |
3310 | } |
3311 | ||
54b15983 AV |
3312 | phy_start(ugeth->phydev); |
3313 | napi_enable(&ugeth->napi); | |
f79e7115 | 3314 | netdev_reset_queue(dev); |
ce973b14 LY |
3315 | netif_start_queue(dev); |
3316 | ||
2394905f AV |
3317 | device_set_wakeup_capable(&dev->dev, |
3318 | qe_alive_during_sleep() || ugeth->phydev->irq); | |
3319 | device_set_wakeup_enable(&dev->dev, ugeth->wol_en); | |
3320 | ||
ce973b14 | 3321 | return err; |
bea3348e | 3322 | |
54b15983 | 3323 | err: |
ba574696 | 3324 | ucc_geth_stop(ugeth); |
bea3348e | 3325 | return err; |
ce973b14 LY |
3326 | } |
3327 | ||
3328 | /* Stops the kernel queue, and halts the controller */ | |
3329 | static int ucc_geth_close(struct net_device *dev) | |
3330 | { | |
18a8e864 | 3331 | struct ucc_geth_private *ugeth = netdev_priv(dev); |
ce973b14 | 3332 | |
b39d66a8 | 3333 | ugeth_vdbg("%s: IN", __func__); |
ce973b14 | 3334 | |
bea3348e | 3335 | napi_disable(&ugeth->napi); |
bea3348e | 3336 | |
2040bd57 | 3337 | cancel_work_sync(&ugeth->timeout_work); |
ce973b14 | 3338 | ucc_geth_stop(ugeth); |
2040bd57 JT |
3339 | phy_disconnect(ugeth->phydev); |
3340 | ugeth->phydev = NULL; | |
ce973b14 | 3341 | |
da1aa63e | 3342 | free_irq(ugeth->ug_info->uf_info.irq, ugeth->ndev); |
67c2fb8f | 3343 | |
ce973b14 | 3344 | netif_stop_queue(dev); |
f79e7115 | 3345 | netdev_reset_queue(dev); |
ce973b14 LY |
3346 | |
3347 | return 0; | |
3348 | } | |
3349 | ||
fdb614c2 AV |
3350 | /* Reopen device. This will reset the MAC and PHY. */ |
3351 | static void ucc_geth_timeout_work(struct work_struct *work) | |
3352 | { | |
3353 | struct ucc_geth_private *ugeth; | |
3354 | struct net_device *dev; | |
3355 | ||
3356 | ugeth = container_of(work, struct ucc_geth_private, timeout_work); | |
da1aa63e | 3357 | dev = ugeth->ndev; |
fdb614c2 AV |
3358 | |
3359 | ugeth_vdbg("%s: IN", __func__); | |
3360 | ||
3361 | dev->stats.tx_errors++; | |
3362 | ||
3363 | ugeth_dump_regs(ugeth); | |
3364 | ||
3365 | if (dev->flags & IFF_UP) { | |
3366 | /* | |
3367 | * Must reset MAC *and* PHY. This is done by reopening | |
3368 | * the device. | |
3369 | */ | |
2040bd57 JT |
3370 | netif_tx_stop_all_queues(dev); |
3371 | ucc_geth_stop(ugeth); | |
3372 | ucc_geth_init_mac(ugeth); | |
3373 | /* Must start PHY here */ | |
3374 | phy_start(ugeth->phydev); | |
3375 | netif_tx_start_all_queues(dev); | |
fdb614c2 AV |
3376 | } |
3377 | ||
3378 | netif_tx_schedule_all(dev); | |
3379 | } | |
3380 | ||
3381 | /* | |
3382 | * ucc_geth_timeout gets called when a packet has not been | |
3383 | * transmitted after a set amount of time. | |
3384 | */ | |
0290bd29 | 3385 | static void ucc_geth_timeout(struct net_device *dev, unsigned int txqueue) |
fdb614c2 AV |
3386 | { |
3387 | struct ucc_geth_private *ugeth = netdev_priv(dev); | |
3388 | ||
fdb614c2 AV |
3389 | schedule_work(&ugeth->timeout_work); |
3390 | } | |
3391 | ||
2394905f AV |
3392 | |
3393 | #ifdef CONFIG_PM | |
3394 | ||
2dc11581 | 3395 | static int ucc_geth_suspend(struct platform_device *ofdev, pm_message_t state) |
2394905f | 3396 | { |
8513fbd8 | 3397 | struct net_device *ndev = platform_get_drvdata(ofdev); |
2394905f AV |
3398 | struct ucc_geth_private *ugeth = netdev_priv(ndev); |
3399 | ||
3400 | if (!netif_running(ndev)) | |
3401 | return 0; | |
3402 | ||
29fb00e0 | 3403 | netif_device_detach(ndev); |
2394905f AV |
3404 | napi_disable(&ugeth->napi); |
3405 | ||
3406 | /* | |
3407 | * Disable the controller, otherwise we'll wakeup on any network | |
3408 | * activity. | |
3409 | */ | |
3410 | ugeth_disable(ugeth, COMM_DIR_RX_AND_TX); | |
3411 | ||
3412 | if (ugeth->wol_en & WAKE_MAGIC) { | |
3413 | setbits32(ugeth->uccf->p_uccm, UCC_GETH_UCCE_MPD); | |
3414 | setbits32(&ugeth->ug_regs->maccfg2, MACCFG2_MPE); | |
3415 | ucc_fast_enable(ugeth->uccf, COMM_DIR_RX_AND_TX); | |
3416 | } else if (!(ugeth->wol_en & WAKE_PHY)) { | |
3417 | phy_stop(ugeth->phydev); | |
3418 | } | |
3419 | ||
3420 | return 0; | |
3421 | } | |
3422 | ||
2dc11581 | 3423 | static int ucc_geth_resume(struct platform_device *ofdev) |
2394905f | 3424 | { |
8513fbd8 | 3425 | struct net_device *ndev = platform_get_drvdata(ofdev); |
2394905f AV |
3426 | struct ucc_geth_private *ugeth = netdev_priv(ndev); |
3427 | int err; | |
3428 | ||
3429 | if (!netif_running(ndev)) | |
3430 | return 0; | |
3431 | ||
3432 | if (qe_alive_during_sleep()) { | |
3433 | if (ugeth->wol_en & WAKE_MAGIC) { | |
3434 | ucc_fast_disable(ugeth->uccf, COMM_DIR_RX_AND_TX); | |
3435 | clrbits32(&ugeth->ug_regs->maccfg2, MACCFG2_MPE); | |
3436 | clrbits32(ugeth->uccf->p_uccm, UCC_GETH_UCCE_MPD); | |
3437 | } | |
3438 | ugeth_enable(ugeth, COMM_DIR_RX_AND_TX); | |
3439 | } else { | |
3440 | /* | |
3441 | * Full reinitialization is required if QE shuts down | |
3442 | * during sleep. | |
3443 | */ | |
3444 | ucc_geth_memclean(ugeth); | |
3445 | ||
3446 | err = ucc_geth_init_mac(ugeth); | |
3447 | if (err) { | |
c84d8055 | 3448 | netdev_err(ndev, "Cannot initialize MAC, aborting\n"); |
2394905f AV |
3449 | return err; |
3450 | } | |
3451 | } | |
3452 | ||
3453 | ugeth->oldlink = 0; | |
3454 | ugeth->oldspeed = 0; | |
3455 | ugeth->oldduplex = -1; | |
3456 | ||
3457 | phy_stop(ugeth->phydev); | |
3458 | phy_start(ugeth->phydev); | |
3459 | ||
3460 | napi_enable(&ugeth->napi); | |
29fb00e0 | 3461 | netif_device_attach(ndev); |
2394905f AV |
3462 | |
3463 | return 0; | |
3464 | } | |
3465 | ||
3466 | #else | |
3467 | #define ucc_geth_suspend NULL | |
3468 | #define ucc_geth_resume NULL | |
3469 | #endif | |
3470 | ||
4e19b5c1 | 3471 | static phy_interface_t to_phy_interface(const char *phy_connection_type) |
728de4c9 | 3472 | { |
4e19b5c1 | 3473 | if (strcasecmp(phy_connection_type, "mii") == 0) |
728de4c9 | 3474 | return PHY_INTERFACE_MODE_MII; |
4e19b5c1 | 3475 | if (strcasecmp(phy_connection_type, "gmii") == 0) |
728de4c9 | 3476 | return PHY_INTERFACE_MODE_GMII; |
4e19b5c1 | 3477 | if (strcasecmp(phy_connection_type, "tbi") == 0) |
728de4c9 | 3478 | return PHY_INTERFACE_MODE_TBI; |
4e19b5c1 | 3479 | if (strcasecmp(phy_connection_type, "rmii") == 0) |
728de4c9 | 3480 | return PHY_INTERFACE_MODE_RMII; |
4e19b5c1 | 3481 | if (strcasecmp(phy_connection_type, "rgmii") == 0) |
728de4c9 | 3482 | return PHY_INTERFACE_MODE_RGMII; |
4e19b5c1 | 3483 | if (strcasecmp(phy_connection_type, "rgmii-id") == 0) |
728de4c9 | 3484 | return PHY_INTERFACE_MODE_RGMII_ID; |
bd0ceaab KP |
3485 | if (strcasecmp(phy_connection_type, "rgmii-txid") == 0) |
3486 | return PHY_INTERFACE_MODE_RGMII_TXID; | |
3487 | if (strcasecmp(phy_connection_type, "rgmii-rxid") == 0) | |
3488 | return PHY_INTERFACE_MODE_RGMII_RXID; | |
4e19b5c1 | 3489 | if (strcasecmp(phy_connection_type, "rtbi") == 0) |
728de4c9 | 3490 | return PHY_INTERFACE_MODE_RTBI; |
047584ce HW |
3491 | if (strcasecmp(phy_connection_type, "sgmii") == 0) |
3492 | return PHY_INTERFACE_MODE_SGMII; | |
728de4c9 KP |
3493 | |
3494 | return PHY_INTERFACE_MODE_MII; | |
3495 | } | |
3496 | ||
d19b5149 SM |
3497 | static int ucc_geth_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) |
3498 | { | |
3499 | struct ucc_geth_private *ugeth = netdev_priv(dev); | |
3500 | ||
3501 | if (!netif_running(dev)) | |
3502 | return -EINVAL; | |
3503 | ||
3504 | if (!ugeth->phydev) | |
3505 | return -ENODEV; | |
3506 | ||
28b04113 | 3507 | return phy_mii_ioctl(ugeth->phydev, rq, cmd); |
d19b5149 SM |
3508 | } |
3509 | ||
a9dbae78 JT |
3510 | static const struct net_device_ops ucc_geth_netdev_ops = { |
3511 | .ndo_open = ucc_geth_open, | |
3512 | .ndo_stop = ucc_geth_close, | |
3513 | .ndo_start_xmit = ucc_geth_start_xmit, | |
3514 | .ndo_validate_addr = eth_validate_addr, | |
a28777f2 | 3515 | .ndo_change_carrier = fixed_phy_change_carrier, |
3d6593e9 | 3516 | .ndo_set_mac_address = ucc_geth_set_mac_addr, |
afc4b13d | 3517 | .ndo_set_rx_mode = ucc_geth_set_multi, |
a9dbae78 | 3518 | .ndo_tx_timeout = ucc_geth_timeout, |
a7605370 | 3519 | .ndo_eth_ioctl = ucc_geth_ioctl, |
a9dbae78 JT |
3520 | #ifdef CONFIG_NET_POLL_CONTROLLER |
3521 | .ndo_poll_controller = ucc_netpoll, | |
3522 | #endif | |
3523 | }; | |
3524 | ||
632e3f2d RV |
3525 | static int ucc_geth_parse_clock(struct device_node *np, const char *which, |
3526 | enum qe_clock *out) | |
3527 | { | |
3528 | const char *sprop; | |
3529 | char buf[24]; | |
3530 | ||
3531 | snprintf(buf, sizeof(buf), "%s-clock-name", which); | |
3532 | sprop = of_get_property(np, buf, NULL); | |
3533 | if (sprop) { | |
3534 | *out = qe_clock_source(sprop); | |
3535 | } else { | |
3536 | u32 val; | |
3537 | ||
3538 | snprintf(buf, sizeof(buf), "%s-clock", which); | |
3539 | if (of_property_read_u32(np, buf, &val)) { | |
3540 | /* If both *-clock-name and *-clock are missing, | |
3541 | * we want to tell people to use *-clock-name. | |
3542 | */ | |
3543 | pr_err("missing %s-clock-name property\n", buf); | |
3544 | return -EINVAL; | |
3545 | } | |
3546 | *out = val; | |
3547 | } | |
3548 | if (*out < QE_CLK_NONE || *out > QE_CLK24) { | |
3549 | pr_err("invalid %s property\n", buf); | |
3550 | return -EINVAL; | |
3551 | } | |
3552 | return 0; | |
3553 | } | |
3554 | ||
74888760 | 3555 | static int ucc_geth_probe(struct platform_device* ofdev) |
ce973b14 | 3556 | { |
18a8e864 | 3557 | struct device *device = &ofdev->dev; |
61c7a080 | 3558 | struct device_node *np = ofdev->dev.of_node; |
ce973b14 LY |
3559 | struct net_device *dev = NULL; |
3560 | struct ucc_geth_private *ugeth = NULL; | |
3561 | struct ucc_geth_info *ug_info; | |
18a8e864 | 3562 | struct resource res; |
728de4c9 | 3563 | int err, ucc_num, max_speed = 0; |
18a8e864 | 3564 | const unsigned int *prop; |
728de4c9 KP |
3565 | phy_interface_t phy_interface; |
3566 | static const int enet_to_speed[] = { | |
3567 | SPEED_10, SPEED_10, SPEED_10, | |
3568 | SPEED_100, SPEED_100, SPEED_100, | |
3569 | SPEED_1000, SPEED_1000, SPEED_1000, SPEED_1000, | |
3570 | }; | |
3571 | static const phy_interface_t enet_to_phy_interface[] = { | |
3572 | PHY_INTERFACE_MODE_MII, PHY_INTERFACE_MODE_RMII, | |
3573 | PHY_INTERFACE_MODE_RGMII, PHY_INTERFACE_MODE_MII, | |
3574 | PHY_INTERFACE_MODE_RMII, PHY_INTERFACE_MODE_RGMII, | |
3575 | PHY_INTERFACE_MODE_GMII, PHY_INTERFACE_MODE_RGMII, | |
3576 | PHY_INTERFACE_MODE_TBI, PHY_INTERFACE_MODE_RTBI, | |
047584ce | 3577 | PHY_INTERFACE_MODE_SGMII, |
728de4c9 | 3578 | }; |
ce973b14 | 3579 | |
b39d66a8 | 3580 | ugeth_vdbg("%s: IN", __func__); |
ce973b14 | 3581 | |
56626f33 AV |
3582 | prop = of_get_property(np, "cell-index", NULL); |
3583 | if (!prop) { | |
3584 | prop = of_get_property(np, "device-id", NULL); | |
3585 | if (!prop) | |
3586 | return -ENODEV; | |
3587 | } | |
3588 | ||
18a8e864 LY |
3589 | ucc_num = *prop - 1; |
3590 | if ((ucc_num < 0) || (ucc_num > 7)) | |
3591 | return -ENODEV; | |
3592 | ||
ec7d6dd8 | 3593 | ug_info = kmemdup(&ugeth_primary_info, sizeof(*ug_info), GFP_KERNEL); |
baff4311 RV |
3594 | if (ug_info == NULL) |
3595 | return -ENOMEM; | |
890de95e | 3596 | |
18a8e864 | 3597 | ug_info->uf_info.ucc_num = ucc_num; |
728de4c9 | 3598 | |
632e3f2d RV |
3599 | err = ucc_geth_parse_clock(np, "rx", &ug_info->uf_info.rx_clock); |
3600 | if (err) | |
baff4311 | 3601 | goto err_free_info; |
632e3f2d RV |
3602 | err = ucc_geth_parse_clock(np, "tx", &ug_info->uf_info.tx_clock); |
3603 | if (err) | |
baff4311 | 3604 | goto err_free_info; |
9fb1e350 | 3605 | |
18a8e864 LY |
3606 | err = of_address_to_resource(np, 0, &res); |
3607 | if (err) | |
baff4311 | 3608 | goto err_free_info; |
18a8e864 LY |
3609 | |
3610 | ug_info->uf_info.regs = res.start; | |
3611 | ug_info->uf_info.irq = irq_of_parse_and_map(np, 0); | |
3104a6ff AV |
3612 | |
3613 | ug_info->phy_node = of_parse_phandle(np, "phy-handle", 0); | |
a1f7d81b UKK |
3614 | if (!ug_info->phy_node && of_phy_is_fixed_link(np)) { |
3615 | /* | |
3616 | * In the case of a fixed PHY, the DT node associated | |
87009814 FF |
3617 | * to the PHY is the Ethernet MAC DT node. |
3618 | */ | |
a1f7d81b UKK |
3619 | err = of_phy_register_fixed_link(np); |
3620 | if (err) | |
baff4311 | 3621 | goto err_free_info; |
f1f02fa4 | 3622 | ug_info->phy_node = of_node_get(np); |
87009814 | 3623 | } |
728de4c9 | 3624 | |
fb1001f3 HW |
3625 | /* Find the TBI PHY node. If it's not there, we don't support SGMII */ |
3626 | ug_info->tbi_node = of_parse_phandle(np, "tbi-handle", 0); | |
3627 | ||
728de4c9 | 3628 | /* get the phy interface type, or default to MII */ |
4e19b5c1 | 3629 | prop = of_get_property(np, "phy-connection-type", NULL); |
728de4c9 KP |
3630 | if (!prop) { |
3631 | /* handle interface property present in old trees */ | |
3104a6ff | 3632 | prop = of_get_property(ug_info->phy_node, "interface", NULL); |
4e19b5c1 | 3633 | if (prop != NULL) { |
728de4c9 | 3634 | phy_interface = enet_to_phy_interface[*prop]; |
4e19b5c1 KP |
3635 | max_speed = enet_to_speed[*prop]; |
3636 | } else | |
728de4c9 KP |
3637 | phy_interface = PHY_INTERFACE_MODE_MII; |
3638 | } else { | |
3639 | phy_interface = to_phy_interface((const char *)prop); | |
3640 | } | |
3641 | ||
4e19b5c1 KP |
3642 | /* get speed, or derive from PHY interface */ |
3643 | if (max_speed == 0) | |
728de4c9 KP |
3644 | switch (phy_interface) { |
3645 | case PHY_INTERFACE_MODE_GMII: | |
3646 | case PHY_INTERFACE_MODE_RGMII: | |
3647 | case PHY_INTERFACE_MODE_RGMII_ID: | |
bd0ceaab KP |
3648 | case PHY_INTERFACE_MODE_RGMII_RXID: |
3649 | case PHY_INTERFACE_MODE_RGMII_TXID: | |
728de4c9 KP |
3650 | case PHY_INTERFACE_MODE_TBI: |
3651 | case PHY_INTERFACE_MODE_RTBI: | |
047584ce | 3652 | case PHY_INTERFACE_MODE_SGMII: |
728de4c9 KP |
3653 | max_speed = SPEED_1000; |
3654 | break; | |
3655 | default: | |
3656 | max_speed = SPEED_100; | |
3657 | break; | |
3658 | } | |
728de4c9 KP |
3659 | |
3660 | if (max_speed == SPEED_1000) { | |
fa1b42b4 DL |
3661 | unsigned int snums = qe_get_num_of_snums(); |
3662 | ||
4e19b5c1 | 3663 | /* configure muram FIFOs for gigabit operation */ |
728de4c9 KP |
3664 | ug_info->uf_info.urfs = UCC_GETH_URFS_GIGA_INIT; |
3665 | ug_info->uf_info.urfet = UCC_GETH_URFET_GIGA_INIT; | |
3666 | ug_info->uf_info.urfset = UCC_GETH_URFSET_GIGA_INIT; | |
3667 | ug_info->uf_info.utfs = UCC_GETH_UTFS_GIGA_INIT; | |
3668 | ug_info->uf_info.utfet = UCC_GETH_UTFET_GIGA_INIT; | |
3669 | ug_info->uf_info.utftt = UCC_GETH_UTFTT_GIGA_INIT; | |
ffea31ed | 3670 | ug_info->numThreadsTx = UCC_GETH_NUM_OF_THREADS_4; |
674e4f93 | 3671 | |
fa1b42b4 | 3672 | /* If QE's snum number is 46/76 which means we need to support |
674e4f93 HW |
3673 | * 4 UECs at 1000Base-T simultaneously, we need to allocate |
3674 | * more Threads to Rx. | |
3675 | */ | |
fa1b42b4 | 3676 | if ((snums == 76) || (snums == 46)) |
674e4f93 HW |
3677 | ug_info->numThreadsRx = UCC_GETH_NUM_OF_THREADS_6; |
3678 | else | |
3679 | ug_info->numThreadsRx = UCC_GETH_NUM_OF_THREADS_4; | |
728de4c9 KP |
3680 | } |
3681 | ||
890de95e | 3682 | if (netif_msg_probe(&debug)) |
2df9d673 VL |
3683 | pr_info("UCC%1d at 0x%8llx (irq = %d)\n", |
3684 | ug_info->uf_info.ucc_num + 1, | |
3685 | (u64)ug_info->uf_info.regs, | |
890de95e | 3686 | ug_info->uf_info.irq); |
ce973b14 | 3687 | |
ce973b14 LY |
3688 | /* Create an ethernet device instance */ |
3689 | dev = alloc_etherdev(sizeof(*ugeth)); | |
3690 | ||
fa310789 | 3691 | if (dev == NULL) { |
0807c4ce JH |
3692 | err = -ENOMEM; |
3693 | goto err_deregister_fixed_link; | |
fa310789 | 3694 | } |
ce973b14 LY |
3695 | |
3696 | ugeth = netdev_priv(dev); | |
3697 | spin_lock_init(&ugeth->lock); | |
3698 | ||
80a9fad8 AV |
3699 | /* Create CQs for hash tables */ |
3700 | INIT_LIST_HEAD(&ugeth->group_hash_q); | |
3701 | INIT_LIST_HEAD(&ugeth->ind_hash_q); | |
3702 | ||
ce973b14 LY |
3703 | dev_set_drvdata(device, dev); |
3704 | ||
3705 | /* Set the dev->base_addr to the gfar reg region */ | |
3706 | dev->base_addr = (unsigned long)(ug_info->uf_info.regs); | |
3707 | ||
ce973b14 LY |
3708 | SET_NETDEV_DEV(dev, device); |
3709 | ||
3710 | /* Fill in the dev structure */ | |
ac421852 | 3711 | uec_set_ethtool_ops(dev); |
a9dbae78 | 3712 | dev->netdev_ops = &ucc_geth_netdev_ops; |
ce973b14 | 3713 | dev->watchdog_timeo = TX_TIMEOUT; |
1762a29a | 3714 | INIT_WORK(&ugeth->timeout_work, ucc_geth_timeout_work); |
b48b89f9 | 3715 | netif_napi_add(dev, &ugeth->napi, ucc_geth_poll); |
ce973b14 | 3716 | dev->mtu = 1500; |
1385ae5c | 3717 | dev->max_mtu = 1518; |
ce973b14 | 3718 | |
890de95e | 3719 | ugeth->msg_enable = netif_msg_init(debug.msg_enable, UGETH_MSG_DEFAULT); |
728de4c9 KP |
3720 | ugeth->phy_interface = phy_interface; |
3721 | ugeth->max_speed = max_speed; | |
3722 | ||
1452db76 CC |
3723 | /* Carrier starts down, phylib will bring it up */ |
3724 | netif_carrier_off(dev); | |
3725 | ||
ce973b14 LY |
3726 | err = register_netdev(dev); |
3727 | if (err) { | |
890de95e | 3728 | if (netif_msg_probe(ugeth)) |
c84d8055 JP |
3729 | pr_err("%s: Cannot register net device, aborting\n", |
3730 | dev->name); | |
0807c4ce | 3731 | goto err_free_netdev; |
ce973b14 LY |
3732 | } |
3733 | ||
9ca01b25 | 3734 | of_get_ethdev_address(np, dev); |
ce973b14 | 3735 | |
728de4c9 | 3736 | ugeth->ug_info = ug_info; |
da1aa63e AV |
3737 | ugeth->dev = device; |
3738 | ugeth->ndev = dev; | |
b1c4a9dd | 3739 | ugeth->node = np; |
728de4c9 | 3740 | |
ce973b14 | 3741 | return 0; |
0807c4ce JH |
3742 | |
3743 | err_free_netdev: | |
3744 | free_netdev(dev); | |
3745 | err_deregister_fixed_link: | |
3746 | if (of_phy_is_fixed_link(np)) | |
3747 | of_phy_deregister_fixed_link(np); | |
3748 | of_node_put(ug_info->tbi_node); | |
3749 | of_node_put(ug_info->phy_node); | |
baff4311 RV |
3750 | err_free_info: |
3751 | kfree(ug_info); | |
0807c4ce JH |
3752 | |
3753 | return err; | |
ce973b14 LY |
3754 | } |
3755 | ||
2dc11581 | 3756 | static int ucc_geth_remove(struct platform_device* ofdev) |
ce973b14 | 3757 | { |
65d7e7ad | 3758 | struct net_device *dev = platform_get_drvdata(ofdev); |
ce973b14 | 3759 | struct ucc_geth_private *ugeth = netdev_priv(dev); |
0807c4ce | 3760 | struct device_node *np = ofdev->dev.of_node; |
ce973b14 | 3761 | |
80a9fad8 | 3762 | unregister_netdev(dev); |
80a9fad8 | 3763 | ucc_geth_memclean(ugeth); |
0807c4ce JH |
3764 | if (of_phy_is_fixed_link(np)) |
3765 | of_phy_deregister_fixed_link(np); | |
4da5e6a0 UKK |
3766 | of_node_put(ugeth->ug_info->tbi_node); |
3767 | of_node_put(ugeth->ug_info->phy_node); | |
baff4311 | 3768 | kfree(ugeth->ug_info); |
e925e0cd | 3769 | free_netdev(dev); |
ce973b14 LY |
3770 | |
3771 | return 0; | |
3772 | } | |
3773 | ||
94e5a2a8 | 3774 | static const struct of_device_id ucc_geth_match[] = { |
18a8e864 LY |
3775 | { |
3776 | .type = "network", | |
3777 | .compatible = "ucc_geth", | |
3778 | }, | |
3779 | {}, | |
3780 | }; | |
3781 | ||
3782 | MODULE_DEVICE_TABLE(of, ucc_geth_match); | |
3783 | ||
74888760 | 3784 | static struct platform_driver ucc_geth_driver = { |
4018294b GL |
3785 | .driver = { |
3786 | .name = DRV_NAME, | |
4018294b GL |
3787 | .of_match_table = ucc_geth_match, |
3788 | }, | |
18a8e864 LY |
3789 | .probe = ucc_geth_probe, |
3790 | .remove = ucc_geth_remove, | |
2394905f AV |
3791 | .suspend = ucc_geth_suspend, |
3792 | .resume = ucc_geth_resume, | |
ce973b14 LY |
3793 | }; |
3794 | ||
3795 | static int __init ucc_geth_init(void) | |
3796 | { | |
890de95e | 3797 | if (netif_msg_drv(&debug)) |
c84d8055 | 3798 | pr_info(DRV_DESC "\n"); |
728de4c9 | 3799 | |
baff4311 | 3800 | return platform_driver_register(&ucc_geth_driver); |
ce973b14 LY |
3801 | } |
3802 | ||
3803 | static void __exit ucc_geth_exit(void) | |
3804 | { | |
74888760 | 3805 | platform_driver_unregister(&ucc_geth_driver); |
ce973b14 LY |
3806 | } |
3807 | ||
3808 | module_init(ucc_geth_init); | |
3809 | module_exit(ucc_geth_exit); | |
3810 | ||
3811 | MODULE_AUTHOR("Freescale Semiconductor, Inc"); | |
3812 | MODULE_DESCRIPTION(DRV_DESC); | |
3813 | MODULE_LICENSE("GPL"); |