1 /* Copyright 2008-2013 Broadcom Corporation
3 * Unless you and Broadcom execute a separate written software license
4 * agreement governing use of this software, this software is licensed to you
5 * under the terms of the GNU General Public License version 2, available
6 * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
8 * Notwithstanding the above, under no circumstances may you combine this
9 * software in any way with any other Broadcom software provided under a
10 * license other than the GPL, without Broadcom's express prior written
13 * Written by Yaniv Rosner
17 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
19 #include <linux/kernel.h>
20 #include <linux/errno.h>
21 #include <linux/pci.h>
22 #include <linux/netdevice.h>
23 #include <linux/delay.h>
24 #include <linux/ethtool.h>
25 #include <linux/mutex.h>
28 #include "bnx2x_cmn.h"
30 typedef int (*read_sfp_module_eeprom_func_p)(struct bnx2x_phy *phy,
31 struct link_params *params,
32 u8 dev_addr, u16 addr, u8 byte_cnt,
34 /********************************************************/
36 /* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
37 #define ETH_OVREHEAD (ETH_HLEN + 8 + 8)
38 #define ETH_MIN_PACKET_SIZE 60
39 #define ETH_MAX_PACKET_SIZE 1500
40 #define ETH_MAX_JUMBO_PACKET_SIZE 9600
41 #define MDIO_ACCESS_TIMEOUT 1000
43 #define I2C_SWITCH_WIDTH 2
46 #define I2C_WA_RETRY_CNT 3
47 #define I2C_WA_PWR_ITER (I2C_WA_RETRY_CNT - 1)
48 #define MCPR_IMC_COMMAND_READ_OP 1
49 #define MCPR_IMC_COMMAND_WRITE_OP 2
51 /* LED Blink rate that will achieve ~15.9Hz */
52 #define LED_BLINK_RATE_VAL_E3 354
53 #define LED_BLINK_RATE_VAL_E1X_E2 480
54 /***********************************************************/
55 /* Shortcut definitions */
56 /***********************************************************/
58 #define NIG_LATCH_BC_ENABLE_MI_INT 0
60 #define NIG_STATUS_EMAC0_MI_INT \
61 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
62 #define NIG_STATUS_XGXS0_LINK10G \
63 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
64 #define NIG_STATUS_XGXS0_LINK_STATUS \
65 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
66 #define NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
67 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
68 #define NIG_STATUS_SERDES0_LINK_STATUS \
69 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
70 #define NIG_MASK_MI_INT \
71 NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
72 #define NIG_MASK_XGXS0_LINK10G \
73 NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
74 #define NIG_MASK_XGXS0_LINK_STATUS \
75 NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
76 #define NIG_MASK_SERDES0_LINK_STATUS \
77 NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS
79 #define MDIO_AN_CL73_OR_37_COMPLETE \
80 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
81 MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)
83 #define XGXS_RESET_BITS \
84 (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW | \
85 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ | \
86 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN | \
87 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \
88 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB)
90 #define SERDES_RESET_BITS \
91 (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \
92 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ | \
93 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN | \
94 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD)
96 #define AUTONEG_CL37 SHARED_HW_CFG_AN_ENABLE_CL37
97 #define AUTONEG_CL73 SHARED_HW_CFG_AN_ENABLE_CL73
98 #define AUTONEG_BAM SHARED_HW_CFG_AN_ENABLE_BAM
99 #define AUTONEG_PARALLEL \
100 SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
101 #define AUTONEG_SGMII_FIBER_AUTODET \
102 SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
103 #define AUTONEG_REMOTE_PHY SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
105 #define GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
106 MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
107 #define GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
108 MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
109 #define GP_STATUS_SPEED_MASK \
110 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
111 #define GP_STATUS_10M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
112 #define GP_STATUS_100M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
113 #define GP_STATUS_1G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
114 #define GP_STATUS_2_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
115 #define GP_STATUS_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
116 #define GP_STATUS_6G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
117 #define GP_STATUS_10G_HIG \
118 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
119 #define GP_STATUS_10G_CX4 \
120 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
121 #define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
122 #define GP_STATUS_10G_KX4 \
123 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
124 #define GP_STATUS_10G_KR MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KR
125 #define GP_STATUS_10G_XFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_XFI
126 #define GP_STATUS_20G_DXGXS MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_DXGXS
127 #define GP_STATUS_10G_SFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_SFI
128 #define GP_STATUS_20G_KR2 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_KR2
129 #define LINK_10THD LINK_STATUS_SPEED_AND_DUPLEX_10THD
130 #define LINK_10TFD LINK_STATUS_SPEED_AND_DUPLEX_10TFD
131 #define LINK_100TXHD LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
132 #define LINK_100T4 LINK_STATUS_SPEED_AND_DUPLEX_100T4
133 #define LINK_100TXFD LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
134 #define LINK_1000THD LINK_STATUS_SPEED_AND_DUPLEX_1000THD
135 #define LINK_1000TFD LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
136 #define LINK_1000XFD LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
137 #define LINK_2500THD LINK_STATUS_SPEED_AND_DUPLEX_2500THD
138 #define LINK_2500TFD LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
139 #define LINK_2500XFD LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
140 #define LINK_10GTFD LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
141 #define LINK_10GXFD LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
142 #define LINK_20GTFD LINK_STATUS_SPEED_AND_DUPLEX_20GTFD
143 #define LINK_20GXFD LINK_STATUS_SPEED_AND_DUPLEX_20GXFD
145 #define LINK_UPDATE_MASK \
146 (LINK_STATUS_SPEED_AND_DUPLEX_MASK | \
147 LINK_STATUS_LINK_UP | \
148 LINK_STATUS_PHYSICAL_LINK_FLAG | \
149 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE | \
150 LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK | \
151 LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK | \
152 LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK | \
153 LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE | \
154 LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE)
156 #define SFP_EEPROM_CON_TYPE_ADDR 0x2
157 #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7
158 #define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21
159 #define SFP_EEPROM_CON_TYPE_VAL_RJ45 0x22
162 #define SFP_EEPROM_COMP_CODE_ADDR 0x3
163 #define SFP_EEPROM_COMP_CODE_SR_MASK (1<<4)
164 #define SFP_EEPROM_COMP_CODE_LR_MASK (1<<5)
165 #define SFP_EEPROM_COMP_CODE_LRM_MASK (1<<6)
167 #define SFP_EEPROM_FC_TX_TECH_ADDR 0x8
168 #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
169 #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8
171 #define SFP_EEPROM_OPTIONS_ADDR 0x40
172 #define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
173 #define SFP_EEPROM_OPTIONS_SIZE 2
175 #define EDC_MODE_LINEAR 0x0022
176 #define EDC_MODE_LIMITING 0x0044
177 #define EDC_MODE_PASSIVE_DAC 0x0055
178 #define EDC_MODE_ACTIVE_DAC 0x0066
181 #define DCBX_INVALID_COS (0xFF)
183 #define ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000)
184 #define ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000)
185 #define ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS (1360)
186 #define ETS_E3B0_NIG_MIN_W_VAL_20GBPS (2720)
187 #define ETS_E3B0_PBF_MIN_W_VAL (10000)
189 #define MAX_PACKET_SIZE (9700)
190 #define MAX_KR_LINK_RETRY 4
192 /**********************************************************/
194 /**********************************************************/
196 #define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
197 bnx2x_cl45_write(_bp, _phy, \
198 (_phy)->def_md_devad, \
199 (_bank + (_addr & 0xf)), \
202 #define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
203 bnx2x_cl45_read(_bp, _phy, \
204 (_phy)->def_md_devad, \
205 (_bank + (_addr & 0xf)), \
208 static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
210 u32 val = REG_RD(bp, reg);
213 REG_WR(bp, reg, val);
217 static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
219 u32 val = REG_RD(bp, reg);
222 REG_WR(bp, reg, val);
227 * bnx2x_check_lfa - This function checks if link reinitialization is required,
228 * or link flap can be avoided.
230 * @params: link parameters
231 * Returns 0 if Link Flap Avoidance conditions are met otherwise, the failed
234 static int bnx2x_check_lfa(struct link_params *params)
236 u32 link_status, cfg_idx, lfa_mask, cfg_size;
237 u32 cur_speed_cap_mask, cur_req_fc_auto_adv, additional_config;
238 u32 saved_val, req_val, eee_status;
239 struct bnx2x *bp = params->bp;
242 REG_RD(bp, params->lfa_base +
243 offsetof(struct shmem_lfa, additional_config));
245 /* NOTE: must be first condition checked -
246 * to verify DCC bit is cleared in any case!
248 if (additional_config & NO_LFA_DUE_TO_DCC_MASK) {
249 DP(NETIF_MSG_LINK, "No LFA due to DCC flap after clp exit\n");
250 REG_WR(bp, params->lfa_base +
251 offsetof(struct shmem_lfa, additional_config),
252 additional_config & ~NO_LFA_DUE_TO_DCC_MASK);
253 return LFA_DCC_LFA_DISABLED;
256 /* Verify that link is up */
257 link_status = REG_RD(bp, params->shmem_base +
258 offsetof(struct shmem_region,
259 port_mb[params->port].link_status));
260 if (!(link_status & LINK_STATUS_LINK_UP))
261 return LFA_LINK_DOWN;
263 /* if loaded after BOOT from SAN, don't flap the link in any case and
264 * rely on link set by preboot driver
266 if (params->feature_config_flags & FEATURE_CONFIG_BOOT_FROM_SAN)
269 /* Verify that loopback mode is not set */
270 if (params->loopback_mode)
271 return LFA_LOOPBACK_ENABLED;
273 /* Verify that MFW supports LFA */
274 if (!params->lfa_base)
275 return LFA_MFW_IS_TOO_OLD;
277 if (params->num_phys == 3) {
279 lfa_mask = 0xffffffff;
286 saved_val = REG_RD(bp, params->lfa_base +
287 offsetof(struct shmem_lfa, req_duplex));
288 req_val = params->req_duplex[0] | (params->req_duplex[1] << 16);
289 if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
290 DP(NETIF_MSG_LINK, "Duplex mismatch %x vs. %x\n",
291 (saved_val & lfa_mask), (req_val & lfa_mask));
292 return LFA_DUPLEX_MISMATCH;
294 /* Compare Flow Control */
295 saved_val = REG_RD(bp, params->lfa_base +
296 offsetof(struct shmem_lfa, req_flow_ctrl));
297 req_val = params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16);
298 if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
299 DP(NETIF_MSG_LINK, "Flow control mismatch %x vs. %x\n",
300 (saved_val & lfa_mask), (req_val & lfa_mask));
301 return LFA_FLOW_CTRL_MISMATCH;
303 /* Compare Link Speed */
304 saved_val = REG_RD(bp, params->lfa_base +
305 offsetof(struct shmem_lfa, req_line_speed));
306 req_val = params->req_line_speed[0] | (params->req_line_speed[1] << 16);
307 if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
308 DP(NETIF_MSG_LINK, "Link speed mismatch %x vs. %x\n",
309 (saved_val & lfa_mask), (req_val & lfa_mask));
310 return LFA_LINK_SPEED_MISMATCH;
313 for (cfg_idx = 0; cfg_idx < cfg_size; cfg_idx++) {
314 cur_speed_cap_mask = REG_RD(bp, params->lfa_base +
315 offsetof(struct shmem_lfa,
316 speed_cap_mask[cfg_idx]));
318 if (cur_speed_cap_mask != params->speed_cap_mask[cfg_idx]) {
319 DP(NETIF_MSG_LINK, "Speed Cap mismatch %x vs. %x\n",
321 params->speed_cap_mask[cfg_idx]);
322 return LFA_SPEED_CAP_MISMATCH;
326 cur_req_fc_auto_adv =
327 REG_RD(bp, params->lfa_base +
328 offsetof(struct shmem_lfa, additional_config)) &
329 REQ_FC_AUTO_ADV_MASK;
331 if ((u16)cur_req_fc_auto_adv != params->req_fc_auto_adv) {
332 DP(NETIF_MSG_LINK, "Flow Ctrl AN mismatch %x vs. %x\n",
333 cur_req_fc_auto_adv, params->req_fc_auto_adv);
334 return LFA_FLOW_CTRL_MISMATCH;
337 eee_status = REG_RD(bp, params->shmem2_base +
338 offsetof(struct shmem2_region,
339 eee_status[params->port]));
341 if (((eee_status & SHMEM_EEE_LPI_REQUESTED_BIT) ^
342 (params->eee_mode & EEE_MODE_ENABLE_LPI)) ||
343 ((eee_status & SHMEM_EEE_REQUESTED_BIT) ^
344 (params->eee_mode & EEE_MODE_ADV_LPI))) {
345 DP(NETIF_MSG_LINK, "EEE mismatch %x vs. %x\n", params->eee_mode,
347 return LFA_EEE_MISMATCH;
350 /* LFA conditions are met */
353 /******************************************************************/
354 /* EPIO/GPIO section */
355 /******************************************************************/
356 static void bnx2x_get_epio(struct bnx2x *bp, u32 epio_pin, u32 *en)
358 u32 epio_mask, gp_oenable;
362 DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to get\n", epio_pin);
366 epio_mask = 1 << epio_pin;
367 /* Set this EPIO to output */
368 gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
369 REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable & ~epio_mask);
371 *en = (REG_RD(bp, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin;
373 static void bnx2x_set_epio(struct bnx2x *bp, u32 epio_pin, u32 en)
375 u32 epio_mask, gp_output, gp_oenable;
379 DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to set\n", epio_pin);
382 DP(NETIF_MSG_LINK, "Setting EPIO pin %d to %d\n", epio_pin, en);
383 epio_mask = 1 << epio_pin;
384 /* Set this EPIO to output */
385 gp_output = REG_RD(bp, MCP_REG_MCPR_GP_OUTPUTS);
387 gp_output |= epio_mask;
389 gp_output &= ~epio_mask;
391 REG_WR(bp, MCP_REG_MCPR_GP_OUTPUTS, gp_output);
393 /* Set the value for this EPIO */
394 gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
395 REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable | epio_mask);
398 static void bnx2x_set_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 val)
400 if (pin_cfg == PIN_CFG_NA)
402 if (pin_cfg >= PIN_CFG_EPIO0) {
403 bnx2x_set_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
405 u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
406 u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
407 bnx2x_set_gpio(bp, gpio_num, (u8)val, gpio_port);
411 static u32 bnx2x_get_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 *val)
413 if (pin_cfg == PIN_CFG_NA)
415 if (pin_cfg >= PIN_CFG_EPIO0) {
416 bnx2x_get_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
418 u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
419 u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
420 *val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
425 /******************************************************************/
427 /******************************************************************/
428 static void bnx2x_ets_e2e3a0_disabled(struct link_params *params)
430 /* ETS disabled configuration*/
431 struct bnx2x *bp = params->bp;
433 DP(NETIF_MSG_LINK, "ETS E2E3 disabled configuration\n");
435 /* mapping between entry priority to client number (0,1,2 -debug and
436 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
438 * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
439 * cos1-100 cos0-011 dbg1-010 dbg0-001 MCP-000
442 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
443 /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
444 * as strict. Bits 0,1,2 - debug and management entries, 3 -
445 * COS0 entry, 4 - COS1 entry.
446 * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
447 * bit4 bit3 bit2 bit1 bit0
448 * MCP and debug are strict
451 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
452 /* defines which entries (clients) are subjected to WFQ arbitration */
453 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
454 /* For strict priority entries defines the number of consecutive
455 * slots for the highest priority.
457 REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
458 /* mapping between the CREDIT_WEIGHT registers and actual client
461 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
462 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
463 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
465 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
466 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
467 REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
468 /* ETS mode disable */
469 REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
470 /* If ETS mode is enabled (there is no strict priority) defines a WFQ
471 * weight for COS0/COS1.
473 REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
474 REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
475 /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
476 REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
477 REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
478 /* Defines the number of consecutive slots for the strict priority */
479 REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
481 /******************************************************************************
483 * Getting min_w_val will be set according to line speed .
485 ******************************************************************************/
486 static u32 bnx2x_ets_get_min_w_val_nig(const struct link_vars *vars)
489 /* Calculate min_w_val.*/
491 if (vars->line_speed == SPEED_20000)
492 min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
494 min_w_val = ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS;
496 min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
497 /* If the link isn't up (static configuration for example ) The
498 * link will be according to 20GBPS.
502 /******************************************************************************
504 * Getting credit upper bound form min_w_val.
506 ******************************************************************************/
507 static u32 bnx2x_ets_get_credit_upper_bound(const u32 min_w_val)
509 const u32 credit_upper_bound = (u32)MAXVAL((150 * min_w_val),
511 return credit_upper_bound;
513 /******************************************************************************
515 * Set credit upper bound for NIG.
517 ******************************************************************************/
518 static void bnx2x_ets_e3b0_set_credit_upper_bound_nig(
519 const struct link_params *params,
522 struct bnx2x *bp = params->bp;
523 const u8 port = params->port;
524 const u32 credit_upper_bound =
525 bnx2x_ets_get_credit_upper_bound(min_w_val);
527 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_0 :
528 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, credit_upper_bound);
529 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_1 :
530 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, credit_upper_bound);
531 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_2 :
532 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_2, credit_upper_bound);
533 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_3 :
534 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_3, credit_upper_bound);
535 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_4 :
536 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_4, credit_upper_bound);
537 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 :
538 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5, credit_upper_bound);
541 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6,
543 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7,
545 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8,
549 /******************************************************************************
551 * Will return the NIG ETS registers to init values.Except
552 * credit_upper_bound.
553 * That isn't used in this configuration (No WFQ is enabled) and will be
554 * configured acording to spec
556 ******************************************************************************/
557 static void bnx2x_ets_e3b0_nig_disabled(const struct link_params *params,
558 const struct link_vars *vars)
560 struct bnx2x *bp = params->bp;
561 const u8 port = params->port;
562 const u32 min_w_val = bnx2x_ets_get_min_w_val_nig(vars);
563 /* Mapping between entry priority to client number (0,1,2 -debug and
564 * management clients, 3 - COS0 client, 4 - COS1, ... 8 -
565 * COS5)(HIGHEST) 4bits client num.TODO_ETS - Should be done by
566 * reset value or init tool
569 REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 0x543210);
570 REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB, 0x0);
572 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 0x76543210);
573 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 0x8);
575 /* For strict priority entries defines the number of consecutive
576 * slots for the highest priority.
578 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS :
579 NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
580 /* Mapping between the CREDIT_WEIGHT registers and actual client
585 REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 0x210543);
586 REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x0);
589 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB,
591 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5);
594 /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
595 * as strict. Bits 0,1,2 - debug and management entries, 3 -
596 * COS0 entry, 4 - COS1 entry.
597 * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
598 * bit4 bit3 bit2 bit1 bit0
599 * MCP and debug are strict
602 REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f);
604 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1ff);
605 /* defines which entries (clients) are subjected to WFQ arbitration */
606 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
607 NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
609 /* Please notice the register address are note continuous and a
610 * for here is note appropriate.In 2 port mode port0 only COS0-5
611 * can be used. DEBUG1,DEBUG1,MGMT are never used for WFQ* In 4
612 * port mode port1 only COS0-2 can be used. DEBUG1,DEBUG1,MGMT
613 * are never used for WFQ
615 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
616 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0x0);
617 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
618 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0x0);
619 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
620 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2, 0x0);
621 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_3 :
622 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3, 0x0);
623 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_4 :
624 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4, 0x0);
625 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 :
626 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5, 0x0);
628 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6, 0x0);
629 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7, 0x0);
630 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8, 0x0);
633 bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val);
635 /******************************************************************************
637 * Set credit upper bound for PBF.
639 ******************************************************************************/
640 static void bnx2x_ets_e3b0_set_credit_upper_bound_pbf(
641 const struct link_params *params,
644 struct bnx2x *bp = params->bp;
645 const u32 credit_upper_bound =
646 bnx2x_ets_get_credit_upper_bound(min_w_val);
647 const u8 port = params->port;
648 u32 base_upper_bound = 0;
651 /* In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4
652 * port mode port1 has COS0-2 that can be used for WFQ.
655 base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0;
656 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
658 base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1;
659 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
662 for (i = 0; i < max_cos; i++)
663 REG_WR(bp, base_upper_bound + (i << 2), credit_upper_bound);
666 /******************************************************************************
668 * Will return the PBF ETS registers to init values.Except
669 * credit_upper_bound.
670 * That isn't used in this configuration (No WFQ is enabled) and will be
671 * configured acording to spec
673 ******************************************************************************/
674 static void bnx2x_ets_e3b0_pbf_disabled(const struct link_params *params)
676 struct bnx2x *bp = params->bp;
677 const u8 port = params->port;
678 const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
683 /* Mapping between entry priority to client number 0 - COS0
684 * client, 2 - COS1, ... 5 - COS5)(HIGHEST) 4bits client num.
685 * TODO_ETS - Should be done by reset value or init tool
688 /* 0x688 (|011|0 10|00 1|000) */
689 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , 0x688);
691 /* (10 1|100 |011|0 10|00 1|000) */
692 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , 0x2C688);
694 /* TODO_ETS - Should be done by reset value or init tool */
696 /* 0x688 (|011|0 10|00 1|000)*/
697 REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688);
699 /* 0x2C688 (10 1|100 |011|0 10|00 1|000) */
700 REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688);
702 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P1 :
703 PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P0 , 0x100);
706 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
707 PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , 0);
709 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
710 PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0 , 0);
711 /* In 2 port mode port0 has COS0-5 that can be used for WFQ.
712 * In 4 port mode port1 has COS0-2 that can be used for WFQ.
715 base_weight = PBF_REG_COS0_WEIGHT_P0;
716 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
718 base_weight = PBF_REG_COS0_WEIGHT_P1;
719 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
722 for (i = 0; i < max_cos; i++)
723 REG_WR(bp, base_weight + (0x4 * i), 0);
725 bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
727 /******************************************************************************
729 * E3B0 disable will return basicly the values to init values.
731 ******************************************************************************/
732 static int bnx2x_ets_e3b0_disabled(const struct link_params *params,
733 const struct link_vars *vars)
735 struct bnx2x *bp = params->bp;
737 if (!CHIP_IS_E3B0(bp)) {
739 "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
743 bnx2x_ets_e3b0_nig_disabled(params, vars);
745 bnx2x_ets_e3b0_pbf_disabled(params);
750 /******************************************************************************
752 * Disable will return basicly the values to init values.
754 ******************************************************************************/
755 int bnx2x_ets_disabled(struct link_params *params,
756 struct link_vars *vars)
758 struct bnx2x *bp = params->bp;
759 int bnx2x_status = 0;
761 if ((CHIP_IS_E2(bp)) || (CHIP_IS_E3A0(bp)))
762 bnx2x_ets_e2e3a0_disabled(params);
763 else if (CHIP_IS_E3B0(bp))
764 bnx2x_status = bnx2x_ets_e3b0_disabled(params, vars);
766 DP(NETIF_MSG_LINK, "bnx2x_ets_disabled - chip not supported\n");
773 /******************************************************************************
775 * Set the COS mappimg to SP and BW until this point all the COS are not
777 ******************************************************************************/
778 static int bnx2x_ets_e3b0_cli_map(const struct link_params *params,
779 const struct bnx2x_ets_params *ets_params,
780 const u8 cos_sp_bitmap,
781 const u8 cos_bw_bitmap)
783 struct bnx2x *bp = params->bp;
784 const u8 port = params->port;
785 const u8 nig_cli_sp_bitmap = 0x7 | (cos_sp_bitmap << 3);
786 const u8 pbf_cli_sp_bitmap = cos_sp_bitmap;
787 const u8 nig_cli_subject2wfq_bitmap = cos_bw_bitmap << 3;
788 const u8 pbf_cli_subject2wfq_bitmap = cos_bw_bitmap;
790 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT :
791 NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, nig_cli_sp_bitmap);
793 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
794 PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , pbf_cli_sp_bitmap);
796 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
797 NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ,
798 nig_cli_subject2wfq_bitmap);
800 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
801 PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0,
802 pbf_cli_subject2wfq_bitmap);
807 /******************************************************************************
809 * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
810 * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
811 ******************************************************************************/
812 static int bnx2x_ets_e3b0_set_cos_bw(struct bnx2x *bp,
814 const u32 min_w_val_nig,
815 const u32 min_w_val_pbf,
820 u32 nig_reg_adress_crd_weight = 0;
821 u32 pbf_reg_adress_crd_weight = 0;
822 /* Calculate and set BW for this COS - use 1 instead of 0 for BW */
823 const u32 cos_bw_nig = ((bw ? bw : 1) * min_w_val_nig) / total_bw;
824 const u32 cos_bw_pbf = ((bw ? bw : 1) * min_w_val_pbf) / total_bw;
828 nig_reg_adress_crd_weight =
829 (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
830 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0;
831 pbf_reg_adress_crd_weight = (port) ?
832 PBF_REG_COS0_WEIGHT_P1 : PBF_REG_COS0_WEIGHT_P0;
835 nig_reg_adress_crd_weight = (port) ?
836 NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
837 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1;
838 pbf_reg_adress_crd_weight = (port) ?
839 PBF_REG_COS1_WEIGHT_P1 : PBF_REG_COS1_WEIGHT_P0;
842 nig_reg_adress_crd_weight = (port) ?
843 NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
844 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2;
846 pbf_reg_adress_crd_weight = (port) ?
847 PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0;
852 nig_reg_adress_crd_weight =
853 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3;
854 pbf_reg_adress_crd_weight =
855 PBF_REG_COS3_WEIGHT_P0;
860 nig_reg_adress_crd_weight =
861 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4;
862 pbf_reg_adress_crd_weight = PBF_REG_COS4_WEIGHT_P0;
867 nig_reg_adress_crd_weight =
868 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5;
869 pbf_reg_adress_crd_weight = PBF_REG_COS5_WEIGHT_P0;
873 REG_WR(bp, nig_reg_adress_crd_weight, cos_bw_nig);
875 REG_WR(bp, pbf_reg_adress_crd_weight, cos_bw_pbf);
879 /******************************************************************************
881 * Calculate the total BW.A value of 0 isn't legal.
883 ******************************************************************************/
884 static int bnx2x_ets_e3b0_get_total_bw(
885 const struct link_params *params,
886 struct bnx2x_ets_params *ets_params,
889 struct bnx2x *bp = params->bp;
891 u8 is_bw_cos_exist = 0;
894 /* Calculate total BW requested */
895 for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
896 if (ets_params->cos[cos_idx].state == bnx2x_cos_state_bw) {
898 if (!ets_params->cos[cos_idx].params.bw_params.bw) {
899 DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config BW"
901 /* This is to prevent a state when ramrods
904 ets_params->cos[cos_idx].params.bw_params.bw
908 ets_params->cos[cos_idx].params.bw_params.bw;
912 /* Check total BW is valid */
913 if ((is_bw_cos_exist == 1) && (*total_bw != 100)) {
914 if (*total_bw == 0) {
916 "bnx2x_ets_E3B0_config total BW shouldn't be 0\n");
920 "bnx2x_ets_E3B0_config total BW should be 100\n");
921 /* We can handle a case whre the BW isn't 100 this can happen
922 * if the TC are joined.
928 /******************************************************************************
930 * Invalidate all the sp_pri_to_cos.
932 ******************************************************************************/
933 static void bnx2x_ets_e3b0_sp_pri_to_cos_init(u8 *sp_pri_to_cos)
936 for (pri = 0; pri < DCBX_MAX_NUM_COS; pri++)
937 sp_pri_to_cos[pri] = DCBX_INVALID_COS;
939 /******************************************************************************
941 * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
942 * according to sp_pri_to_cos.
944 ******************************************************************************/
945 static int bnx2x_ets_e3b0_sp_pri_to_cos_set(const struct link_params *params,
946 u8 *sp_pri_to_cos, const u8 pri,
949 struct bnx2x *bp = params->bp;
950 const u8 port = params->port;
951 const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
952 DCBX_E3B0_MAX_NUM_COS_PORT0;
954 if (pri >= max_num_of_cos) {
955 DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
956 "parameter Illegal strict priority\n");
960 if (sp_pri_to_cos[pri] != DCBX_INVALID_COS) {
961 DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
962 "parameter There can't be two COS's with "
963 "the same strict pri\n");
967 sp_pri_to_cos[pri] = cos_entry;
972 /******************************************************************************
974 * Returns the correct value according to COS and priority in
975 * the sp_pri_cli register.
977 ******************************************************************************/
978 static u64 bnx2x_e3b0_sp_get_pri_cli_reg(const u8 cos, const u8 cos_offset,
984 pri_cli_nig = ((u64)(cos + cos_offset)) << (entry_size *
985 (pri_set + pri_offset));
989 /******************************************************************************
991 * Returns the correct value according to COS and priority in the
992 * sp_pri_cli register for NIG.
994 ******************************************************************************/
995 static u64 bnx2x_e3b0_sp_get_pri_cli_reg_nig(const u8 cos, const u8 pri_set)
997 /* MCP Dbg0 and dbg1 are always with higher strict pri*/
998 const u8 nig_cos_offset = 3;
999 const u8 nig_pri_offset = 3;
1001 return bnx2x_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
1005 /******************************************************************************
1007 * Returns the correct value according to COS and priority in the
1008 * sp_pri_cli register for PBF.
1010 ******************************************************************************/
1011 static u64 bnx2x_e3b0_sp_get_pri_cli_reg_pbf(const u8 cos, const u8 pri_set)
1013 const u8 pbf_cos_offset = 0;
1014 const u8 pbf_pri_offset = 0;
1016 return bnx2x_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
1021 /******************************************************************************
1023 * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
1024 * according to sp_pri_to_cos.(which COS has higher priority)
1026 ******************************************************************************/
1027 static int bnx2x_ets_e3b0_sp_set_pri_cli_reg(const struct link_params *params,
1030 struct bnx2x *bp = params->bp;
1032 const u8 port = params->port;
1033 /* MCP Dbg0 and dbg1 are always with higher strict pri*/
1034 u64 pri_cli_nig = 0x210;
1035 u32 pri_cli_pbf = 0x0;
1038 const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
1039 DCBX_E3B0_MAX_NUM_COS_PORT0;
1041 u8 cos_bit_to_set = (1 << max_num_of_cos) - 1;
1043 /* Set all the strict priority first */
1044 for (i = 0; i < max_num_of_cos; i++) {
1045 if (sp_pri_to_cos[i] != DCBX_INVALID_COS) {
1046 if (sp_pri_to_cos[i] >= DCBX_MAX_NUM_COS) {
1048 "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
1049 "invalid cos entry\n");
1053 pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
1054 sp_pri_to_cos[i], pri_set);
1056 pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
1057 sp_pri_to_cos[i], pri_set);
1058 pri_bitmask = 1 << sp_pri_to_cos[i];
1059 /* COS is used remove it from bitmap.*/
1060 if (!(pri_bitmask & cos_bit_to_set)) {
1062 "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
1063 "invalid There can't be two COS's with"
1064 " the same strict pri\n");
1067 cos_bit_to_set &= ~pri_bitmask;
1072 /* Set all the Non strict priority i= COS*/
1073 for (i = 0; i < max_num_of_cos; i++) {
1074 pri_bitmask = 1 << i;
1075 /* Check if COS was already used for SP */
1076 if (pri_bitmask & cos_bit_to_set) {
1077 /* COS wasn't used for SP */
1078 pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
1081 pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
1083 /* COS is used remove it from bitmap.*/
1084 cos_bit_to_set &= ~pri_bitmask;
1089 if (pri_set != max_num_of_cos) {
1090 DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_set_pri_cli_reg not all "
1091 "entries were set\n");
1096 /* Only 6 usable clients*/
1097 REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
1100 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf);
1102 /* Only 9 usable clients*/
1103 const u32 pri_cli_nig_lsb = (u32) (pri_cli_nig);
1104 const u32 pri_cli_nig_msb = (u32) ((pri_cli_nig >> 32) & 0xF);
1106 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB,
1108 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB,
1111 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf);
1116 /******************************************************************************
1118 * Configure the COS to ETS according to BW and SP settings.
1119 ******************************************************************************/
1120 int bnx2x_ets_e3b0_config(const struct link_params *params,
1121 const struct link_vars *vars,
1122 struct bnx2x_ets_params *ets_params)
1124 struct bnx2x *bp = params->bp;
1125 int bnx2x_status = 0;
1126 const u8 port = params->port;
1128 const u32 min_w_val_nig = bnx2x_ets_get_min_w_val_nig(vars);
1129 const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
1130 u8 cos_bw_bitmap = 0;
1131 u8 cos_sp_bitmap = 0;
1132 u8 sp_pri_to_cos[DCBX_MAX_NUM_COS] = {0};
1133 const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
1134 DCBX_E3B0_MAX_NUM_COS_PORT0;
1137 if (!CHIP_IS_E3B0(bp)) {
1139 "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
1143 if ((ets_params->num_of_cos > max_num_of_cos)) {
1144 DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config the number of COS "
1145 "isn't supported\n");
1149 /* Prepare sp strict priority parameters*/
1150 bnx2x_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);
1152 /* Prepare BW parameters*/
1153 bnx2x_status = bnx2x_ets_e3b0_get_total_bw(params, ets_params,
1157 "bnx2x_ets_E3B0_config get_total_bw failed\n");
1161 /* Upper bound is set according to current link speed (min_w_val
1162 * should be the same for upper bound and COS credit val).
1164 bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig);
1165 bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
1168 for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) {
1169 if (bnx2x_cos_state_bw == ets_params->cos[cos_entry].state) {
1170 cos_bw_bitmap |= (1 << cos_entry);
1171 /* The function also sets the BW in HW(not the mappin
1174 bnx2x_status = bnx2x_ets_e3b0_set_cos_bw(
1175 bp, cos_entry, min_w_val_nig, min_w_val_pbf,
1177 ets_params->cos[cos_entry].params.bw_params.bw,
1179 } else if (bnx2x_cos_state_strict ==
1180 ets_params->cos[cos_entry].state){
1181 cos_sp_bitmap |= (1 << cos_entry);
1183 bnx2x_status = bnx2x_ets_e3b0_sp_pri_to_cos_set(
1186 ets_params->cos[cos_entry].params.sp_params.pri,
1191 "bnx2x_ets_e3b0_config cos state not valid\n");
1196 "bnx2x_ets_e3b0_config set cos bw failed\n");
1197 return bnx2x_status;
1201 /* Set SP register (which COS has higher priority) */
1202 bnx2x_status = bnx2x_ets_e3b0_sp_set_pri_cli_reg(params,
1207 "bnx2x_ets_E3B0_config set_pri_cli_reg failed\n");
1208 return bnx2x_status;
1211 /* Set client mapping of BW and strict */
1212 bnx2x_status = bnx2x_ets_e3b0_cli_map(params, ets_params,
1217 DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n");
1218 return bnx2x_status;
1222 static void bnx2x_ets_bw_limit_common(const struct link_params *params)
1224 /* ETS disabled configuration */
1225 struct bnx2x *bp = params->bp;
1226 DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
1227 /* Defines which entries (clients) are subjected to WFQ arbitration
1231 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
1232 /* Mapping between the ARB_CREDIT_WEIGHT registers and actual
1233 * client numbers (WEIGHT_0 does not actually have to represent
1235 * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
1236 * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010
1238 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
1240 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
1241 ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1242 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
1243 ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1245 /* ETS mode enabled*/
1246 REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
1248 /* Defines the number of consecutive slots for the strict priority */
1249 REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
1250 /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
1251 * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0
1252 * entry, 4 - COS1 entry.
1253 * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
1254 * bit4 bit3 bit2 bit1 bit0
1255 * MCP and debug are strict
1257 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
1259 /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
1260 REG_WR(bp, PBF_REG_COS0_UPPER_BOUND,
1261 ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1262 REG_WR(bp, PBF_REG_COS1_UPPER_BOUND,
1263 ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1266 void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
1269 /* ETS disabled configuration*/
1270 struct bnx2x *bp = params->bp;
1271 const u32 total_bw = cos0_bw + cos1_bw;
1272 u32 cos0_credit_weight = 0;
1273 u32 cos1_credit_weight = 0;
1275 DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
1280 DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
1284 cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
1286 cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
1289 bnx2x_ets_bw_limit_common(params);
1291 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
1292 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
1294 REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
1295 REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
1298 int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
1300 /* ETS disabled configuration*/
1301 struct bnx2x *bp = params->bp;
1304 DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
1305 /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
1306 * as strict. Bits 0,1,2 - debug and management entries,
1307 * 3 - COS0 entry, 4 - COS1 entry.
1308 * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
1309 * bit4 bit3 bit2 bit1 bit0
1310 * MCP and debug are strict
1312 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
1313 /* For strict priority entries defines the number of consecutive slots
1314 * for the highest priority.
1316 REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
1317 /* ETS mode disable */
1318 REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
1319 /* Defines the number of consecutive slots for the strict priority */
1320 REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
1322 /* Defines the number of consecutive slots for the strict priority */
1323 REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
1325 /* Mapping between entry priority to client number (0,1,2 -debug and
1326 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
1328 * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
1329 * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000
1330 * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000
1332 val = (!strict_cos) ? 0x2318 : 0x22E0;
1333 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
1338 /******************************************************************/
1340 /******************************************************************/
1341 static void bnx2x_update_pfc_xmac(struct link_params *params,
1342 struct link_vars *vars,
1345 struct bnx2x *bp = params->bp;
1347 u32 pause_val, pfc0_val, pfc1_val;
1349 /* XMAC base adrr */
1350 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1352 /* Initialize pause and pfc registers */
1353 pause_val = 0x18000;
1354 pfc0_val = 0xFFFF8000;
1357 /* No PFC support */
1358 if (!(params->feature_config_flags &
1359 FEATURE_CONFIG_PFC_ENABLED)) {
1361 /* RX flow control - Process pause frame in receive direction
1363 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
1364 pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
1366 /* TX flow control - Send pause packet when buffer is full */
1367 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
1368 pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
1369 } else {/* PFC support */
1370 pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
1371 XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
1372 XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
1373 XMAC_PFC_CTRL_HI_REG_TX_PFC_EN |
1374 XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
1375 /* Write pause and PFC registers */
1376 REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
1377 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
1378 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
1379 pfc1_val &= ~XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
1383 /* Write pause and PFC registers */
1384 REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
1385 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
1386 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
1389 /* Set MAC address for source TX Pause/PFC frames */
1390 REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_LO,
1391 ((params->mac_addr[2] << 24) |
1392 (params->mac_addr[3] << 16) |
1393 (params->mac_addr[4] << 8) |
1394 (params->mac_addr[5])));
1395 REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_HI,
1396 ((params->mac_addr[0] << 8) |
1397 (params->mac_addr[1])));
1403 static void bnx2x_emac_get_pfc_stat(struct link_params *params,
1404 u32 pfc_frames_sent[2],
1405 u32 pfc_frames_received[2])
1407 /* Read pfc statistic */
1408 struct bnx2x *bp = params->bp;
1409 u32 emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1413 DP(NETIF_MSG_LINK, "pfc statistic read from EMAC\n");
1415 /* PFC received frames */
1416 val_xoff = REG_RD(bp, emac_base +
1417 EMAC_REG_RX_PFC_STATS_XOFF_RCVD);
1418 val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_RCVD_COUNT;
1419 val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_RCVD);
1420 val_xon &= EMAC_REG_RX_PFC_STATS_XON_RCVD_COUNT;
1422 pfc_frames_received[0] = val_xon + val_xoff;
1424 /* PFC received sent */
1425 val_xoff = REG_RD(bp, emac_base +
1426 EMAC_REG_RX_PFC_STATS_XOFF_SENT);
1427 val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_SENT_COUNT;
1428 val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_SENT);
1429 val_xon &= EMAC_REG_RX_PFC_STATS_XON_SENT_COUNT;
1431 pfc_frames_sent[0] = val_xon + val_xoff;
1434 /* Read pfc statistic*/
1435 void bnx2x_pfc_statistic(struct link_params *params, struct link_vars *vars,
1436 u32 pfc_frames_sent[2],
1437 u32 pfc_frames_received[2])
1439 /* Read pfc statistic */
1440 struct bnx2x *bp = params->bp;
1442 DP(NETIF_MSG_LINK, "pfc statistic\n");
1447 if (vars->mac_type == MAC_TYPE_EMAC) {
1448 DP(NETIF_MSG_LINK, "About to read PFC stats from EMAC\n");
1449 bnx2x_emac_get_pfc_stat(params, pfc_frames_sent,
1450 pfc_frames_received);
1453 /******************************************************************/
1454 /* MAC/PBF section */
1455 /******************************************************************/
1456 static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id,
1459 u32 new_mode, cur_mode;
1461 /* Set clause 45 mode, slow down the MDIO clock to 2.5MHz
1462 * (a value of 49==0x31) and make sure that the AUTO poll is off
1464 cur_mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
1466 if (USES_WARPCORE(bp))
1467 clc_cnt = 74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT;
1469 clc_cnt = 49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT;
1471 if (((cur_mode & EMAC_MDIO_MODE_CLOCK_CNT) == clc_cnt) &&
1472 (cur_mode & (EMAC_MDIO_MODE_CLAUSE_45)))
1475 new_mode = cur_mode &
1476 ~(EMAC_MDIO_MODE_AUTO_POLL | EMAC_MDIO_MODE_CLOCK_CNT);
1477 new_mode |= clc_cnt;
1478 new_mode |= (EMAC_MDIO_MODE_CLAUSE_45);
1480 DP(NETIF_MSG_LINK, "Changing emac_mode from 0x%x to 0x%x\n",
1481 cur_mode, new_mode);
1482 REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, new_mode);
1486 static void bnx2x_set_mdio_emac_per_phy(struct bnx2x *bp,
1487 struct link_params *params)
1490 /* Set mdio clock per phy */
1491 for (phy_index = INT_PHY; phy_index < params->num_phys;
1493 bnx2x_set_mdio_clk(bp, params->chip_id,
1494 params->phy[phy_index].mdio_ctrl);
1497 static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
1499 u32 port4mode_ovwr_val;
1500 /* Check 4-port override enabled */
1501 port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
1502 if (port4mode_ovwr_val & (1<<0)) {
1503 /* Return 4-port mode override value */
1504 return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
1506 /* Return 4-port mode from input pin */
1507 return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
1510 static void bnx2x_emac_init(struct link_params *params,
1511 struct link_vars *vars)
1513 /* reset and unreset the emac core */
1514 struct bnx2x *bp = params->bp;
1515 u8 port = params->port;
1516 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1520 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1521 (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
1523 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1524 (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
1526 /* init emac - use read-modify-write */
1527 /* self clear reset */
1528 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
1529 EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
1533 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
1534 DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
1536 DP(NETIF_MSG_LINK, "EMAC timeout!\n");
1540 } while (val & EMAC_MODE_RESET);
1542 bnx2x_set_mdio_emac_per_phy(bp, params);
1543 /* Set mac address */
1544 val = ((params->mac_addr[0] << 8) |
1545 params->mac_addr[1]);
1546 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
1548 val = ((params->mac_addr[2] << 24) |
1549 (params->mac_addr[3] << 16) |
1550 (params->mac_addr[4] << 8) |
1551 params->mac_addr[5]);
1552 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
1555 static void bnx2x_set_xumac_nig(struct link_params *params,
1559 struct bnx2x *bp = params->bp;
1561 REG_WR(bp, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
1563 REG_WR(bp, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
1565 REG_WR(bp, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
1566 NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
1569 static void bnx2x_set_umac_rxtx(struct link_params *params, u8 en)
1571 u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
1573 struct bnx2x *bp = params->bp;
1574 if (!(REG_RD(bp, MISC_REG_RESET_REG_2) &
1575 (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port)))
1577 val = REG_RD(bp, umac_base + UMAC_REG_COMMAND_CONFIG);
1579 val |= (UMAC_COMMAND_CONFIG_REG_TX_ENA |
1580 UMAC_COMMAND_CONFIG_REG_RX_ENA);
1582 val &= ~(UMAC_COMMAND_CONFIG_REG_TX_ENA |
1583 UMAC_COMMAND_CONFIG_REG_RX_ENA);
1584 /* Disable RX and TX */
1585 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1588 static void bnx2x_umac_enable(struct link_params *params,
1589 struct link_vars *vars, u8 lb)
1592 u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
1593 struct bnx2x *bp = params->bp;
1595 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1596 (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
1597 usleep_range(1000, 2000);
1599 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1600 (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
1602 DP(NETIF_MSG_LINK, "enabling UMAC\n");
1604 /* This register opens the gate for the UMAC despite its name */
1605 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
1607 val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
1608 UMAC_COMMAND_CONFIG_REG_PAD_EN |
1609 UMAC_COMMAND_CONFIG_REG_SW_RESET |
1610 UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
1611 switch (vars->line_speed) {
1625 DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n",
1629 if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1630 val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE;
1632 if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
1633 val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE;
1635 if (vars->duplex == DUPLEX_HALF)
1636 val |= UMAC_COMMAND_CONFIG_REG_HD_ENA;
1638 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1641 /* Configure UMAC for EEE */
1642 if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
1643 DP(NETIF_MSG_LINK, "configured UMAC for EEE\n");
1644 REG_WR(bp, umac_base + UMAC_REG_UMAC_EEE_CTRL,
1645 UMAC_UMAC_EEE_CTRL_REG_EEE_EN);
1646 REG_WR(bp, umac_base + UMAC_REG_EEE_WAKE_TIMER, 0x11);
1648 REG_WR(bp, umac_base + UMAC_REG_UMAC_EEE_CTRL, 0x0);
1651 /* Set MAC address for source TX Pause/PFC frames (under SW reset) */
1652 REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR0,
1653 ((params->mac_addr[2] << 24) |
1654 (params->mac_addr[3] << 16) |
1655 (params->mac_addr[4] << 8) |
1656 (params->mac_addr[5])));
1657 REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR1,
1658 ((params->mac_addr[0] << 8) |
1659 (params->mac_addr[1])));
1661 /* Enable RX and TX */
1662 val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
1663 val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
1664 UMAC_COMMAND_CONFIG_REG_RX_ENA;
1665 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1668 /* Remove SW Reset */
1669 val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
1671 /* Check loopback mode */
1673 val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
1674 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1676 /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
1677 * length used by the MAC receive logic to check frames.
1679 REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
1680 bnx2x_set_xumac_nig(params,
1681 ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
1682 vars->mac_type = MAC_TYPE_UMAC;
1686 /* Define the XMAC mode */
1687 static void bnx2x_xmac_init(struct link_params *params, u32 max_speed)
1689 struct bnx2x *bp = params->bp;
1690 u32 is_port4mode = bnx2x_is_4_port_mode(bp);
1692 /* In 4-port mode, need to set the mode only once, so if XMAC is
1693 * already out of reset, it means the mode has already been set,
1694 * and it must not* reset the XMAC again, since it controls both
1698 if (((CHIP_NUM(bp) == CHIP_NUM_57840_4_10) ||
1699 (CHIP_NUM(bp) == CHIP_NUM_57840_2_20) ||
1700 (CHIP_NUM(bp) == CHIP_NUM_57840_OBSOLETE)) &&
1702 (REG_RD(bp, MISC_REG_RESET_REG_2) &
1703 MISC_REGISTERS_RESET_REG_2_XMAC)) {
1705 "XMAC already out of reset in 4-port mode\n");
1710 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1711 MISC_REGISTERS_RESET_REG_2_XMAC);
1712 usleep_range(1000, 2000);
1714 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1715 MISC_REGISTERS_RESET_REG_2_XMAC);
1717 DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n");
1719 /* Set the number of ports on the system side to up to 2 */
1720 REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);
1722 /* Set the number of ports on the Warp Core to 10G */
1723 REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
1725 /* Set the number of ports on the system side to 1 */
1726 REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
1727 if (max_speed == SPEED_10000) {
1729 "Init XMAC to 10G x 1 port per path\n");
1730 /* Set the number of ports on the Warp Core to 10G */
1731 REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
1734 "Init XMAC to 20G x 2 ports per path\n");
1735 /* Set the number of ports on the Warp Core to 20G */
1736 REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
1740 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1741 MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
1742 usleep_range(1000, 2000);
1744 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1745 MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
1749 static void bnx2x_set_xmac_rxtx(struct link_params *params, u8 en)
1751 u8 port = params->port;
1752 struct bnx2x *bp = params->bp;
1753 u32 pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1756 if (REG_RD(bp, MISC_REG_RESET_REG_2) &
1757 MISC_REGISTERS_RESET_REG_2_XMAC) {
1758 /* Send an indication to change the state in the NIG back to XON
1759 * Clearing this bit enables the next set of this bit to get
1762 pfc_ctrl = REG_RD(bp, xmac_base + XMAC_REG_PFC_CTRL_HI);
1763 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
1764 (pfc_ctrl & ~(1<<1)));
1765 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
1766 (pfc_ctrl | (1<<1)));
1767 DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
1768 val = REG_RD(bp, xmac_base + XMAC_REG_CTRL);
1770 val |= (XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
1772 val &= ~(XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
1773 REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
1777 static int bnx2x_xmac_enable(struct link_params *params,
1778 struct link_vars *vars, u8 lb)
1781 struct bnx2x *bp = params->bp;
1782 DP(NETIF_MSG_LINK, "enabling XMAC\n");
1784 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1786 bnx2x_xmac_init(params, vars->line_speed);
1788 /* This register determines on which events the MAC will assert
1789 * error on the i/f to the NIG along w/ EOP.
1792 /* This register tells the NIG whether to send traffic to UMAC
1795 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
1797 /* When XMAC is in XLGMII mode, disable sending idles for fault
1800 if (!(params->phy[INT_PHY].flags & FLAGS_TX_ERROR_CHECK)) {
1801 REG_WR(bp, xmac_base + XMAC_REG_RX_LSS_CTRL,
1802 (XMAC_RX_LSS_CTRL_REG_LOCAL_FAULT_DISABLE |
1803 XMAC_RX_LSS_CTRL_REG_REMOTE_FAULT_DISABLE));
1804 REG_WR(bp, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
1805 REG_WR(bp, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
1806 XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
1807 XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
1809 /* Set Max packet size */
1810 REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
1812 /* CRC append for Tx packets */
1813 REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
1816 bnx2x_update_pfc_xmac(params, vars, 0);
1818 if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
1819 DP(NETIF_MSG_LINK, "Setting XMAC for EEE\n");
1820 REG_WR(bp, xmac_base + XMAC_REG_EEE_TIMERS_HI, 0x1380008);
1821 REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x1);
1823 REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x0);
1826 /* Enable TX and RX */
1827 val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
1829 /* Set MAC in XLGMII mode for dual-mode */
1830 if ((vars->line_speed == SPEED_20000) &&
1831 (params->phy[INT_PHY].supported &
1832 SUPPORTED_20000baseKR2_Full))
1833 val |= XMAC_CTRL_REG_XLGMII_ALIGN_ENB;
1835 /* Check loopback mode */
1837 val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK;
1838 REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
1839 bnx2x_set_xumac_nig(params,
1840 ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
1842 vars->mac_type = MAC_TYPE_XMAC;
1847 static int bnx2x_emac_enable(struct link_params *params,
1848 struct link_vars *vars, u8 lb)
1850 struct bnx2x *bp = params->bp;
1851 u8 port = params->port;
1852 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1855 DP(NETIF_MSG_LINK, "enabling EMAC\n");
1858 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1859 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
1861 /* enable emac and not bmac */
1862 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
1865 if (vars->phy_flags & PHY_XGXS_FLAG) {
1866 u32 ser_lane = ((params->lane_config &
1867 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
1868 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
1870 DP(NETIF_MSG_LINK, "XGXS\n");
1871 /* select the master lanes (out of 0-3) */
1872 REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
1874 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
1876 } else { /* SerDes */
1877 DP(NETIF_MSG_LINK, "SerDes\n");
1879 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
1882 bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
1883 EMAC_RX_MODE_RESET);
1884 bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
1885 EMAC_TX_MODE_RESET);
1887 /* pause enable/disable */
1888 bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
1889 EMAC_RX_MODE_FLOW_EN);
1891 bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
1892 (EMAC_TX_MODE_EXT_PAUSE_EN |
1893 EMAC_TX_MODE_FLOW_EN));
1894 if (!(params->feature_config_flags &
1895 FEATURE_CONFIG_PFC_ENABLED)) {
1896 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
1897 bnx2x_bits_en(bp, emac_base +
1898 EMAC_REG_EMAC_RX_MODE,
1899 EMAC_RX_MODE_FLOW_EN);
1901 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
1902 bnx2x_bits_en(bp, emac_base +
1903 EMAC_REG_EMAC_TX_MODE,
1904 (EMAC_TX_MODE_EXT_PAUSE_EN |
1905 EMAC_TX_MODE_FLOW_EN));
1907 bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
1908 EMAC_TX_MODE_FLOW_EN);
1910 /* KEEP_VLAN_TAG, promiscuous */
1911 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
1912 val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
1914 /* Setting this bit causes MAC control frames (except for pause
1915 * frames) to be passed on for processing. This setting has no
1916 * affect on the operation of the pause frames. This bit effects
1917 * all packets regardless of RX Parser packet sorting logic.
1918 * Turn the PFC off to make sure we are in Xon state before
1921 EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
1922 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
1923 DP(NETIF_MSG_LINK, "PFC is enabled\n");
1924 /* Enable PFC again */
1925 EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
1926 EMAC_REG_RX_PFC_MODE_RX_EN |
1927 EMAC_REG_RX_PFC_MODE_TX_EN |
1928 EMAC_REG_RX_PFC_MODE_PRIORITIES);
1930 EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
1932 EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
1934 EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
1935 val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
1937 EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
1940 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
1945 EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
1948 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
1950 /* Enable emac for jumbo packets */
1951 EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
1952 (EMAC_RX_MTU_SIZE_JUMBO_ENA |
1953 (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
1956 REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
1958 /* Disable the NIG in/out to the bmac */
1959 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
1960 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
1961 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
1963 /* Enable the NIG in/out to the emac */
1964 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
1966 if ((params->feature_config_flags &
1967 FEATURE_CONFIG_PFC_ENABLED) ||
1968 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1971 REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
1972 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
1974 REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
1976 vars->mac_type = MAC_TYPE_EMAC;
1980 static void bnx2x_update_pfc_bmac1(struct link_params *params,
1981 struct link_vars *vars)
1984 struct bnx2x *bp = params->bp;
1985 u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
1986 NIG_REG_INGRESS_BMAC0_MEM;
1989 if ((!(params->feature_config_flags &
1990 FEATURE_CONFIG_PFC_ENABLED)) &&
1991 (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
1992 /* Enable BigMAC to react on received Pause packets */
1996 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
2000 if (!(params->feature_config_flags &
2001 FEATURE_CONFIG_PFC_ENABLED) &&
2002 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
2006 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
2009 static void bnx2x_update_pfc_bmac2(struct link_params *params,
2010 struct link_vars *vars,
2013 /* Set rx control: Strip CRC and enable BigMAC to relay
2014 * control packets to the system as well
2017 struct bnx2x *bp = params->bp;
2018 u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
2019 NIG_REG_INGRESS_BMAC0_MEM;
2022 if ((!(params->feature_config_flags &
2023 FEATURE_CONFIG_PFC_ENABLED)) &&
2024 (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
2025 /* Enable BigMAC to react on received Pause packets */
2029 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
2034 if (!(params->feature_config_flags &
2035 FEATURE_CONFIG_PFC_ENABLED) &&
2036 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
2040 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
2042 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
2043 DP(NETIF_MSG_LINK, "PFC is enabled\n");
2044 /* Enable PFC RX & TX & STATS and set 8 COS */
2046 wb_data[0] |= (1<<0); /* RX */
2047 wb_data[0] |= (1<<1); /* TX */
2048 wb_data[0] |= (1<<2); /* Force initial Xon */
2049 wb_data[0] |= (1<<3); /* 8 cos */
2050 wb_data[0] |= (1<<5); /* STATS */
2052 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
2054 /* Clear the force Xon */
2055 wb_data[0] &= ~(1<<2);
2057 DP(NETIF_MSG_LINK, "PFC is disabled\n");
2058 /* Disable PFC RX & TX & STATS and set 8 COS */
2063 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
2065 /* Set Time (based unit is 512 bit time) between automatic
2066 * re-sending of PP packets amd enable automatic re-send of
2067 * Per-Priroity Packet as long as pp_gen is asserted and
2068 * pp_disable is low.
2071 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
2072 val |= (1<<16); /* enable automatic re-send */
2076 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
2080 val = 0x3; /* Enable RX and TX */
2082 val |= 0x4; /* Local loopback */
2083 DP(NETIF_MSG_LINK, "enable bmac loopback\n");
2085 /* When PFC enabled, Pass pause frames towards the NIG. */
2086 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
2087 val |= ((1<<6)|(1<<5));
2091 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
2094 /******************************************************************************
2096 * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
2097 * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
2098 ******************************************************************************/
2099 static int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
2101 u32 priority_mask, u8 port)
2103 u32 nig_reg_rx_priority_mask_add = 0;
2105 switch (cos_entry) {
2107 nig_reg_rx_priority_mask_add = (port) ?
2108 NIG_REG_P1_RX_COS0_PRIORITY_MASK :
2109 NIG_REG_P0_RX_COS0_PRIORITY_MASK;
2112 nig_reg_rx_priority_mask_add = (port) ?
2113 NIG_REG_P1_RX_COS1_PRIORITY_MASK :
2114 NIG_REG_P0_RX_COS1_PRIORITY_MASK;
2117 nig_reg_rx_priority_mask_add = (port) ?
2118 NIG_REG_P1_RX_COS2_PRIORITY_MASK :
2119 NIG_REG_P0_RX_COS2_PRIORITY_MASK;
2124 nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
2129 nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
2134 nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
2138 REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);
2142 static void bnx2x_update_mng(struct link_params *params, u32 link_status)
2144 struct bnx2x *bp = params->bp;
2146 REG_WR(bp, params->shmem_base +
2147 offsetof(struct shmem_region,
2148 port_mb[params->port].link_status), link_status);
2151 static void bnx2x_update_link_attr(struct link_params *params, u32 link_attr)
2153 struct bnx2x *bp = params->bp;
2155 if (SHMEM2_HAS(bp, link_attr_sync))
2156 REG_WR(bp, params->shmem2_base +
2157 offsetof(struct shmem2_region,
2158 link_attr_sync[params->port]), link_attr);
2161 static void bnx2x_update_pfc_nig(struct link_params *params,
2162 struct link_vars *vars,
2163 struct bnx2x_nig_brb_pfc_port_params *nig_params)
2165 u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
2166 u32 llfc_enable = 0, xcm_out_en = 0, hwpfc_enable = 0;
2167 u32 pkt_priority_to_cos = 0;
2168 struct bnx2x *bp = params->bp;
2169 u8 port = params->port;
2171 int set_pfc = params->feature_config_flags &
2172 FEATURE_CONFIG_PFC_ENABLED;
2173 DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
2175 /* When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
2176 * MAC control frames (that are not pause packets)
2177 * will be forwarded to the XCM.
2179 xcm_mask = REG_RD(bp, port ? NIG_REG_LLH1_XCM_MASK :
2180 NIG_REG_LLH0_XCM_MASK);
2181 /* NIG params will override non PFC params, since it's possible to
2182 * do transition from PFC to SAFC
2192 xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
2193 NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
2198 llfc_out_en = nig_params->llfc_out_en;
2199 llfc_enable = nig_params->llfc_enable;
2200 pause_enable = nig_params->pause_enable;
2201 } else /* Default non PFC mode - PAUSE */
2204 xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
2205 NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
2210 REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
2211 NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
2212 REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
2213 NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
2214 REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
2215 NIG_REG_LLFC_ENABLE_0, llfc_enable);
2216 REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
2217 NIG_REG_PAUSE_ENABLE_0, pause_enable);
2219 REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
2220 NIG_REG_PPP_ENABLE_0, ppp_enable);
2222 REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
2223 NIG_REG_LLH0_XCM_MASK, xcm_mask);
2225 REG_WR(bp, port ? NIG_REG_LLFC_EGRESS_SRC_ENABLE_1 :
2226 NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
2228 /* Output enable for RX_XCM # IF */
2229 REG_WR(bp, port ? NIG_REG_XCM1_OUT_EN :
2230 NIG_REG_XCM0_OUT_EN, xcm_out_en);
2232 /* HW PFC TX enable */
2233 REG_WR(bp, port ? NIG_REG_P1_HWPFC_ENABLE :
2234 NIG_REG_P0_HWPFC_ENABLE, hwpfc_enable);
2238 pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
2240 for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
2241 bnx2x_pfc_nig_rx_priority_mask(bp, i,
2242 nig_params->rx_cos_priority_mask[i], port);
2244 REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
2245 NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
2246 nig_params->llfc_high_priority_classes);
2248 REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
2249 NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
2250 nig_params->llfc_low_priority_classes);
2252 REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
2253 NIG_REG_P0_PKT_PRIORITY_TO_COS,
2254 pkt_priority_to_cos);
2257 int bnx2x_update_pfc(struct link_params *params,
2258 struct link_vars *vars,
2259 struct bnx2x_nig_brb_pfc_port_params *pfc_params)
2261 /* The PFC and pause are orthogonal to one another, meaning when
2262 * PFC is enabled, the pause are disabled, and when PFC is
2263 * disabled, pause are set according to the pause result.
2266 struct bnx2x *bp = params->bp;
2267 int bnx2x_status = 0;
2268 u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
2270 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
2271 vars->link_status |= LINK_STATUS_PFC_ENABLED;
2273 vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
2275 bnx2x_update_mng(params, vars->link_status);
2277 /* Update NIG params */
2278 bnx2x_update_pfc_nig(params, vars, pfc_params);
2281 return bnx2x_status;
2283 DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
2285 if (CHIP_IS_E3(bp)) {
2286 if (vars->mac_type == MAC_TYPE_XMAC)
2287 bnx2x_update_pfc_xmac(params, vars, 0);
2289 val = REG_RD(bp, MISC_REG_RESET_REG_2);
2291 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
2293 DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
2294 bnx2x_emac_enable(params, vars, 0);
2295 return bnx2x_status;
2298 bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
2300 bnx2x_update_pfc_bmac1(params, vars);
2303 if ((params->feature_config_flags &
2304 FEATURE_CONFIG_PFC_ENABLED) ||
2305 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
2307 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
2309 return bnx2x_status;
2312 static int bnx2x_bmac1_enable(struct link_params *params,
2313 struct link_vars *vars,
2316 struct bnx2x *bp = params->bp;
2317 u8 port = params->port;
2318 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2319 NIG_REG_INGRESS_BMAC0_MEM;
2323 DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
2328 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
2332 wb_data[0] = ((params->mac_addr[2] << 24) |
2333 (params->mac_addr[3] << 16) |
2334 (params->mac_addr[4] << 8) |
2335 params->mac_addr[5]);
2336 wb_data[1] = ((params->mac_addr[0] << 8) |
2337 params->mac_addr[1]);
2338 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
2344 DP(NETIF_MSG_LINK, "enable bmac loopback\n");
2348 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
2351 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2353 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
2355 bnx2x_update_pfc_bmac1(params, vars);
2358 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2360 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
2362 /* Set cnt max size */
2363 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2365 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
2367 /* Configure SAFC */
2368 wb_data[0] = 0x1000200;
2370 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
2376 static int bnx2x_bmac2_enable(struct link_params *params,
2377 struct link_vars *vars,
2380 struct bnx2x *bp = params->bp;
2381 u8 port = params->port;
2382 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2383 NIG_REG_INGRESS_BMAC0_MEM;
2386 DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
2390 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
2393 /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
2396 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
2402 wb_data[0] = ((params->mac_addr[2] << 24) |
2403 (params->mac_addr[3] << 16) |
2404 (params->mac_addr[4] << 8) |
2405 params->mac_addr[5]);
2406 wb_data[1] = ((params->mac_addr[0] << 8) |
2407 params->mac_addr[1]);
2408 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
2413 /* Configure SAFC */
2414 wb_data[0] = 0x1000200;
2416 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
2421 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2423 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
2427 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2429 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
2431 /* Set cnt max size */
2432 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
2434 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
2436 bnx2x_update_pfc_bmac2(params, vars, is_lb);
2441 static int bnx2x_bmac_enable(struct link_params *params,
2442 struct link_vars *vars,
2443 u8 is_lb, u8 reset_bmac)
2446 u8 port = params->port;
2447 struct bnx2x *bp = params->bp;
2449 /* Reset and unreset the BigMac */
2451 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
2452 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
2453 usleep_range(1000, 2000);
2456 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
2457 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
2459 /* Enable access for bmac registers */
2460 REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
2462 /* Enable BMAC according to BMAC type*/
2464 rc = bnx2x_bmac2_enable(params, vars, is_lb);
2466 rc = bnx2x_bmac1_enable(params, vars, is_lb);
2467 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
2468 REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
2469 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
2471 if ((params->feature_config_flags &
2472 FEATURE_CONFIG_PFC_ENABLED) ||
2473 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
2475 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
2476 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
2477 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
2478 REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
2479 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
2480 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
2482 vars->mac_type = MAC_TYPE_BMAC;
2486 static void bnx2x_set_bmac_rx(struct bnx2x *bp, u32 chip_id, u8 port, u8 en)
2488 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2489 NIG_REG_INGRESS_BMAC0_MEM;
2491 u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
2494 bmac_addr += BIGMAC2_REGISTER_BMAC_CONTROL;
2496 bmac_addr += BIGMAC_REGISTER_BMAC_CONTROL;
2497 /* Only if the bmac is out of reset */
2498 if (REG_RD(bp, MISC_REG_RESET_REG_2) &
2499 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
2501 /* Clear Rx Enable bit in BMAC_CONTROL register */
2502 REG_RD_DMAE(bp, bmac_addr, wb_data, 2);
2504 wb_data[0] |= BMAC_CONTROL_RX_ENABLE;
2506 wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
2507 REG_WR_DMAE(bp, bmac_addr, wb_data, 2);
2508 usleep_range(1000, 2000);
2512 static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
2515 struct bnx2x *bp = params->bp;
2516 u8 port = params->port;
2521 REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
2523 /* Wait for init credit */
2524 init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
2525 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2526 DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
2528 while ((init_crd != crd) && count) {
2529 usleep_range(5000, 10000);
2530 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2533 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2534 if (init_crd != crd) {
2535 DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
2540 if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
2541 line_speed == SPEED_10 ||
2542 line_speed == SPEED_100 ||
2543 line_speed == SPEED_1000 ||
2544 line_speed == SPEED_2500) {
2545 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
2546 /* Update threshold */
2547 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
2548 /* Update init credit */
2549 init_crd = 778; /* (800-18-4) */
2552 u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
2554 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
2555 /* Update threshold */
2556 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
2557 /* Update init credit */
2558 switch (line_speed) {
2560 init_crd = thresh + 553 - 22;
2563 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
2568 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
2569 DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
2570 line_speed, init_crd);
2572 /* Probe the credit changes */
2573 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
2574 usleep_range(5000, 10000);
2575 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
2578 REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
2583 * bnx2x_get_emac_base - retrive emac base address
2585 * @bp: driver handle
2586 * @mdc_mdio_access: access type
2589 * This function selects the MDC/MDIO access (through emac0 or
2590 * emac1) depend on the mdc_mdio_access, port, port swapped. Each
2591 * phy has a default access mode, which could also be overridden
2592 * by nvram configuration. This parameter, whether this is the
2593 * default phy configuration, or the nvram overrun
2594 * configuration, is passed here as mdc_mdio_access and selects
2595 * the emac_base for the CL45 read/writes operations
2597 static u32 bnx2x_get_emac_base(struct bnx2x *bp,
2598 u32 mdc_mdio_access, u8 port)
2601 switch (mdc_mdio_access) {
2602 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
2604 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
2605 if (REG_RD(bp, NIG_REG_PORT_SWAP))
2606 emac_base = GRCBASE_EMAC1;
2608 emac_base = GRCBASE_EMAC0;
2610 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
2611 if (REG_RD(bp, NIG_REG_PORT_SWAP))
2612 emac_base = GRCBASE_EMAC0;
2614 emac_base = GRCBASE_EMAC1;
2616 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
2617 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
2619 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
2620 emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
2629 /******************************************************************/
2630 /* CL22 access functions */
2631 /******************************************************************/
2632 static int bnx2x_cl22_write(struct bnx2x *bp,
2633 struct bnx2x_phy *phy,
2639 /* Switch to CL22 */
2640 mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
2641 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
2642 mode & ~EMAC_MDIO_MODE_CLAUSE_45);
2645 tmp = ((phy->addr << 21) | (reg << 16) | val |
2646 EMAC_MDIO_COMM_COMMAND_WRITE_22 |
2647 EMAC_MDIO_COMM_START_BUSY);
2648 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
2650 for (i = 0; i < 50; i++) {
2653 tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2654 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
2659 if (tmp & EMAC_MDIO_COMM_START_BUSY) {
2660 DP(NETIF_MSG_LINK, "write phy register failed\n");
2663 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
2667 static int bnx2x_cl22_read(struct bnx2x *bp,
2668 struct bnx2x_phy *phy,
2669 u16 reg, u16 *ret_val)
2675 /* Switch to CL22 */
2676 mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
2677 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
2678 mode & ~EMAC_MDIO_MODE_CLAUSE_45);
2681 val = ((phy->addr << 21) | (reg << 16) |
2682 EMAC_MDIO_COMM_COMMAND_READ_22 |
2683 EMAC_MDIO_COMM_START_BUSY);
2684 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
2686 for (i = 0; i < 50; i++) {
2689 val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2690 if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
2691 *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
2696 if (val & EMAC_MDIO_COMM_START_BUSY) {
2697 DP(NETIF_MSG_LINK, "read phy register failed\n");
2702 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
2706 /******************************************************************/
2707 /* CL45 access functions */
2708 /******************************************************************/
2709 static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
2710 u8 devad, u16 reg, u16 *ret_val)
2716 if (phy->flags & FLAGS_MDC_MDIO_WA_G) {
2717 chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
2718 ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
2719 bnx2x_set_mdio_clk(bp, chip_id, phy->mdio_ctrl);
2722 if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
2723 bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
2724 EMAC_MDIO_STATUS_10MB);
2726 val = ((phy->addr << 21) | (devad << 16) | reg |
2727 EMAC_MDIO_COMM_COMMAND_ADDRESS |
2728 EMAC_MDIO_COMM_START_BUSY);
2729 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
2731 for (i = 0; i < 50; i++) {
2734 val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2735 if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
2740 if (val & EMAC_MDIO_COMM_START_BUSY) {
2741 DP(NETIF_MSG_LINK, "read phy register failed\n");
2742 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
2747 val = ((phy->addr << 21) | (devad << 16) |
2748 EMAC_MDIO_COMM_COMMAND_READ_45 |
2749 EMAC_MDIO_COMM_START_BUSY);
2750 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
2752 for (i = 0; i < 50; i++) {
2755 val = REG_RD(bp, phy->mdio_ctrl +
2756 EMAC_REG_EMAC_MDIO_COMM);
2757 if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
2758 *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
2762 if (val & EMAC_MDIO_COMM_START_BUSY) {
2763 DP(NETIF_MSG_LINK, "read phy register failed\n");
2764 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
2769 /* Work around for E3 A0 */
2770 if (phy->flags & FLAGS_MDC_MDIO_WA) {
2771 phy->flags ^= FLAGS_DUMMY_READ;
2772 if (phy->flags & FLAGS_DUMMY_READ) {
2774 bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
2778 if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
2779 bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
2780 EMAC_MDIO_STATUS_10MB);
2784 static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
2785 u8 devad, u16 reg, u16 val)
2791 if (phy->flags & FLAGS_MDC_MDIO_WA_G) {
2792 chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
2793 ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
2794 bnx2x_set_mdio_clk(bp, chip_id, phy->mdio_ctrl);
2797 if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
2798 bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
2799 EMAC_MDIO_STATUS_10MB);
2802 tmp = ((phy->addr << 21) | (devad << 16) | reg |
2803 EMAC_MDIO_COMM_COMMAND_ADDRESS |
2804 EMAC_MDIO_COMM_START_BUSY);
2805 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
2807 for (i = 0; i < 50; i++) {
2810 tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2811 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
2816 if (tmp & EMAC_MDIO_COMM_START_BUSY) {
2817 DP(NETIF_MSG_LINK, "write phy register failed\n");
2818 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
2822 tmp = ((phy->addr << 21) | (devad << 16) | val |
2823 EMAC_MDIO_COMM_COMMAND_WRITE_45 |
2824 EMAC_MDIO_COMM_START_BUSY);
2825 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
2827 for (i = 0; i < 50; i++) {
2830 tmp = REG_RD(bp, phy->mdio_ctrl +
2831 EMAC_REG_EMAC_MDIO_COMM);
2832 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
2837 if (tmp & EMAC_MDIO_COMM_START_BUSY) {
2838 DP(NETIF_MSG_LINK, "write phy register failed\n");
2839 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
2843 /* Work around for E3 A0 */
2844 if (phy->flags & FLAGS_MDC_MDIO_WA) {
2845 phy->flags ^= FLAGS_DUMMY_READ;
2846 if (phy->flags & FLAGS_DUMMY_READ) {
2848 bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
2851 if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
2852 bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
2853 EMAC_MDIO_STATUS_10MB);
2857 /******************************************************************/
2859 /******************************************************************/
2860 static u8 bnx2x_eee_has_cap(struct link_params *params)
2862 struct bnx2x *bp = params->bp;
2864 if (REG_RD(bp, params->shmem2_base) <=
2865 offsetof(struct shmem2_region, eee_status[params->port]))
2871 static int bnx2x_eee_nvram_to_time(u32 nvram_mode, u32 *idle_timer)
2873 switch (nvram_mode) {
2874 case PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED:
2875 *idle_timer = EEE_MODE_NVRAM_BALANCED_TIME;
2877 case PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE:
2878 *idle_timer = EEE_MODE_NVRAM_AGGRESSIVE_TIME;
2880 case PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY:
2881 *idle_timer = EEE_MODE_NVRAM_LATENCY_TIME;
2891 static int bnx2x_eee_time_to_nvram(u32 idle_timer, u32 *nvram_mode)
2893 switch (idle_timer) {
2894 case EEE_MODE_NVRAM_BALANCED_TIME:
2895 *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED;
2897 case EEE_MODE_NVRAM_AGGRESSIVE_TIME:
2898 *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE;
2900 case EEE_MODE_NVRAM_LATENCY_TIME:
2901 *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY;
2904 *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_DISABLED;
2911 static u32 bnx2x_eee_calc_timer(struct link_params *params)
2913 u32 eee_mode, eee_idle;
2914 struct bnx2x *bp = params->bp;
2916 if (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) {
2917 if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
2918 /* time value in eee_mode --> used directly*/
2919 eee_idle = params->eee_mode & EEE_MODE_TIMER_MASK;
2921 /* hsi value in eee_mode --> time */
2922 if (bnx2x_eee_nvram_to_time(params->eee_mode &
2923 EEE_MODE_NVRAM_MASK,
2928 /* hsi values in nvram --> time*/
2929 eee_mode = ((REG_RD(bp, params->shmem_base +
2930 offsetof(struct shmem_region, dev_info.
2931 port_feature_config[params->port].
2933 PORT_FEAT_CFG_EEE_POWER_MODE_MASK) >>
2934 PORT_FEAT_CFG_EEE_POWER_MODE_SHIFT);
2936 if (bnx2x_eee_nvram_to_time(eee_mode, &eee_idle))
2943 static int bnx2x_eee_set_timers(struct link_params *params,
2944 struct link_vars *vars)
2946 u32 eee_idle = 0, eee_mode;
2947 struct bnx2x *bp = params->bp;
2949 eee_idle = bnx2x_eee_calc_timer(params);
2952 REG_WR(bp, MISC_REG_CPMU_LP_IDLE_THR_P0 + (params->port << 2),
2954 } else if ((params->eee_mode & EEE_MODE_ENABLE_LPI) &&
2955 (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) &&
2956 (params->eee_mode & EEE_MODE_OUTPUT_TIME)) {
2957 DP(NETIF_MSG_LINK, "Error: Tx LPI is enabled with timer 0\n");
2961 vars->eee_status &= ~(SHMEM_EEE_TIMER_MASK | SHMEM_EEE_TIME_OUTPUT_BIT);
2962 if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
2963 /* eee_idle in 1u --> eee_status in 16u */
2965 vars->eee_status |= (eee_idle & SHMEM_EEE_TIMER_MASK) |
2966 SHMEM_EEE_TIME_OUTPUT_BIT;
2968 if (bnx2x_eee_time_to_nvram(eee_idle, &eee_mode))
2970 vars->eee_status |= eee_mode;
2976 static int bnx2x_eee_initial_config(struct link_params *params,
2977 struct link_vars *vars, u8 mode)
2979 vars->eee_status |= ((u32) mode) << SHMEM_EEE_SUPPORTED_SHIFT;
2981 /* Propogate params' bits --> vars (for migration exposure) */
2982 if (params->eee_mode & EEE_MODE_ENABLE_LPI)
2983 vars->eee_status |= SHMEM_EEE_LPI_REQUESTED_BIT;
2985 vars->eee_status &= ~SHMEM_EEE_LPI_REQUESTED_BIT;
2987 if (params->eee_mode & EEE_MODE_ADV_LPI)
2988 vars->eee_status |= SHMEM_EEE_REQUESTED_BIT;
2990 vars->eee_status &= ~SHMEM_EEE_REQUESTED_BIT;
2992 return bnx2x_eee_set_timers(params, vars);
2995 static int bnx2x_eee_disable(struct bnx2x_phy *phy,
2996 struct link_params *params,
2997 struct link_vars *vars)
2999 struct bnx2x *bp = params->bp;
3001 /* Make Certain LPI is disabled */
3002 REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2), 0);
3004 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, 0x0);
3006 vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
3011 static int bnx2x_eee_advertise(struct bnx2x_phy *phy,
3012 struct link_params *params,
3013 struct link_vars *vars, u8 modes)
3015 struct bnx2x *bp = params->bp;
3018 /* Mask events preventing LPI generation */
3019 REG_WR(bp, MISC_REG_CPMU_LP_MASK_EXT_P0 + (params->port << 2), 0xfc20);
3021 if (modes & SHMEM_EEE_10G_ADV) {
3022 DP(NETIF_MSG_LINK, "Advertise 10GBase-T EEE\n");
3025 if (modes & SHMEM_EEE_1G_ADV) {
3026 DP(NETIF_MSG_LINK, "Advertise 1GBase-T EEE\n");
3030 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, val);
3032 vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
3033 vars->eee_status |= (modes << SHMEM_EEE_ADV_STATUS_SHIFT);
3038 static void bnx2x_update_mng_eee(struct link_params *params, u32 eee_status)
3040 struct bnx2x *bp = params->bp;
3042 if (bnx2x_eee_has_cap(params))
3043 REG_WR(bp, params->shmem2_base +
3044 offsetof(struct shmem2_region,
3045 eee_status[params->port]), eee_status);
3048 static void bnx2x_eee_an_resolve(struct bnx2x_phy *phy,
3049 struct link_params *params,
3050 struct link_vars *vars)
3052 struct bnx2x *bp = params->bp;
3053 u16 adv = 0, lp = 0;
3057 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, &adv);
3058 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_LP_EEE_ADV, &lp);
3061 lp_adv |= SHMEM_EEE_100M_ADV;
3063 if (vars->line_speed == SPEED_100)
3065 DP(NETIF_MSG_LINK, "EEE negotiated - 100M\n");
3069 lp_adv |= SHMEM_EEE_1G_ADV;
3071 if (vars->line_speed == SPEED_1000)
3073 DP(NETIF_MSG_LINK, "EEE negotiated - 1G\n");
3077 lp_adv |= SHMEM_EEE_10G_ADV;
3079 if (vars->line_speed == SPEED_10000)
3081 DP(NETIF_MSG_LINK, "EEE negotiated - 10G\n");
3085 vars->eee_status &= ~SHMEM_EEE_LP_ADV_STATUS_MASK;
3086 vars->eee_status |= (lp_adv << SHMEM_EEE_LP_ADV_STATUS_SHIFT);
3089 DP(NETIF_MSG_LINK, "EEE is active\n");
3090 vars->eee_status |= SHMEM_EEE_ACTIVE_BIT;
3095 /******************************************************************/
3096 /* BSC access functions from E3 */
3097 /******************************************************************/
3098 static void bnx2x_bsc_module_sel(struct link_params *params)
3101 u32 board_cfg, sfp_ctrl;
3102 u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
3103 struct bnx2x *bp = params->bp;
3104 u8 port = params->port;
3105 /* Read I2C output PINs */
3106 board_cfg = REG_RD(bp, params->shmem_base +
3107 offsetof(struct shmem_region,
3108 dev_info.shared_hw_config.board));
3109 i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
3110 i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
3111 SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
3113 /* Read I2C output value */
3114 sfp_ctrl = REG_RD(bp, params->shmem_base +
3115 offsetof(struct shmem_region,
3116 dev_info.port_hw_config[port].e3_cmn_pin_cfg));
3117 i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
3118 i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
3119 DP(NETIF_MSG_LINK, "Setting BSC switch\n");
3120 for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
3121 bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
3124 static int bnx2x_bsc_read(struct link_params *params,
3135 if (xfer_cnt > 16) {
3136 DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
3140 bnx2x_bsc_module_sel(params);
3142 xfer_cnt = 16 - lc_addr;
3144 /* Enable the engine */
3145 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3146 val |= MCPR_IMC_COMMAND_ENABLE;
3147 REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3149 /* Program slave device ID */
3150 val = (sl_devid << 16) | sl_addr;
3151 REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
3153 /* Start xfer with 0 byte to update the address pointer ???*/
3154 val = (MCPR_IMC_COMMAND_ENABLE) |
3155 (MCPR_IMC_COMMAND_WRITE_OP <<
3156 MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
3157 (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
3158 REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3160 /* Poll for completion */
3162 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3163 while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
3165 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3167 DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
3176 /* Start xfer with read op */
3177 val = (MCPR_IMC_COMMAND_ENABLE) |
3178 (MCPR_IMC_COMMAND_READ_OP <<
3179 MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
3180 (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
3182 REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3184 /* Poll for completion */
3186 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3187 while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
3189 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3191 DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
3199 for (i = (lc_addr >> 2); i < 4; i++) {
3200 data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
3202 data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
3203 ((data_array[i] & 0x0000ff00) << 8) |
3204 ((data_array[i] & 0x00ff0000) >> 8) |
3205 ((data_array[i] & 0xff000000) >> 24);
3211 static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
3212 u8 devad, u16 reg, u16 or_val)
3215 bnx2x_cl45_read(bp, phy, devad, reg, &val);
3216 bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
3219 static void bnx2x_cl45_read_and_write(struct bnx2x *bp,
3220 struct bnx2x_phy *phy,
3221 u8 devad, u16 reg, u16 and_val)
3224 bnx2x_cl45_read(bp, phy, devad, reg, &val);
3225 bnx2x_cl45_write(bp, phy, devad, reg, val & and_val);
3228 int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
3229 u8 devad, u16 reg, u16 *ret_val)
3232 /* Probe for the phy according to the given phy_addr, and execute
3233 * the read request on it
3235 for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
3236 if (params->phy[phy_index].addr == phy_addr) {
3237 return bnx2x_cl45_read(params->bp,
3238 ¶ms->phy[phy_index], devad,
3245 int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
3246 u8 devad, u16 reg, u16 val)
3249 /* Probe for the phy according to the given phy_addr, and execute
3250 * the write request on it
3252 for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
3253 if (params->phy[phy_index].addr == phy_addr) {
3254 return bnx2x_cl45_write(params->bp,
3255 ¶ms->phy[phy_index], devad,
3261 static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
3262 struct link_params *params)
3265 struct bnx2x *bp = params->bp;
3266 u32 path_swap, path_swap_ovr;
3270 port = params->port;
3272 if (bnx2x_is_4_port_mode(bp)) {
3273 u32 port_swap, port_swap_ovr;
3275 /* Figure out path swap value */
3276 path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
3277 if (path_swap_ovr & 0x1)
3278 path_swap = (path_swap_ovr & 0x2);
3280 path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);
3285 /* Figure out port swap value */
3286 port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
3287 if (port_swap_ovr & 0x1)
3288 port_swap = (port_swap_ovr & 0x2);
3290 port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);
3295 lane = (port<<1) + path;
3296 } else { /* Two port mode - no port swap */
3298 /* Figure out path swap value */
3300 REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
3301 if (path_swap_ovr & 0x1) {
3302 path_swap = (path_swap_ovr & 0x2);
3305 REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
3315 static void bnx2x_set_aer_mmd(struct link_params *params,
3316 struct bnx2x_phy *phy)
3319 u16 offset, aer_val;
3320 struct bnx2x *bp = params->bp;
3321 ser_lane = ((params->lane_config &
3322 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
3323 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
3325 offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
3326 (phy->addr + ser_lane) : 0;
3328 if (USES_WARPCORE(bp)) {
3329 aer_val = bnx2x_get_warpcore_lane(phy, params);
3330 /* In Dual-lane mode, two lanes are joined together,
3331 * so in order to configure them, the AER broadcast method is
3333 * 0x200 is the broadcast address for lanes 0,1
3334 * 0x201 is the broadcast address for lanes 2,3
3336 if (phy->flags & FLAGS_WC_DUAL_MODE)
3337 aer_val = (aer_val >> 1) | 0x200;
3338 } else if (CHIP_IS_E2(bp))
3339 aer_val = 0x3800 + offset - 1;
3341 aer_val = 0x3800 + offset;
3343 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3344 MDIO_AER_BLOCK_AER_REG, aer_val);
3348 /******************************************************************/
3349 /* Internal phy section */
3350 /******************************************************************/
3352 static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
3354 u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
3357 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
3358 REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
3360 REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
3363 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
3366 static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
3370 DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
3372 val = SERDES_RESET_BITS << (port*16);
3374 /* Reset and unreset the SerDes/XGXS */
3375 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
3377 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
3379 bnx2x_set_serdes_access(bp, port);
3381 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
3382 DEFAULT_PHY_DEV_ADDR);
3385 static void bnx2x_xgxs_specific_func(struct bnx2x_phy *phy,
3386 struct link_params *params,
3389 struct bnx2x *bp = params->bp;
3392 /* Set correct devad */
3393 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + params->port*0x18, 0);
3394 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + params->port*0x18,
3400 static void bnx2x_xgxs_deassert(struct link_params *params)
3402 struct bnx2x *bp = params->bp;
3405 DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
3406 port = params->port;
3408 val = XGXS_RESET_BITS << (port*16);
3410 /* Reset and unreset the SerDes/XGXS */
3411 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
3413 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
3414 bnx2x_xgxs_specific_func(¶ms->phy[INT_PHY], params,
3418 static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
3419 struct link_params *params, u16 *ieee_fc)
3421 struct bnx2x *bp = params->bp;
3422 *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
3423 /* Resolve pause mode and advertisement Please refer to Table
3424 * 28B-3 of the 802.3ab-1999 spec
3427 switch (phy->req_flow_ctrl) {
3428 case BNX2X_FLOW_CTRL_AUTO:
3429 switch (params->req_fc_auto_adv) {
3430 case BNX2X_FLOW_CTRL_BOTH:
3431 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
3433 case BNX2X_FLOW_CTRL_RX:
3434 case BNX2X_FLOW_CTRL_TX:
3436 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
3442 case BNX2X_FLOW_CTRL_TX:
3443 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
3446 case BNX2X_FLOW_CTRL_RX:
3447 case BNX2X_FLOW_CTRL_BOTH:
3448 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
3451 case BNX2X_FLOW_CTRL_NONE:
3453 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
3456 DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
3459 static void set_phy_vars(struct link_params *params,
3460 struct link_vars *vars)
3462 struct bnx2x *bp = params->bp;
3463 u8 actual_phy_idx, phy_index, link_cfg_idx;
3464 u8 phy_config_swapped = params->multi_phy_config &
3465 PORT_HW_CFG_PHY_SWAPPED_ENABLED;
3466 for (phy_index = INT_PHY; phy_index < params->num_phys;
3468 link_cfg_idx = LINK_CONFIG_IDX(phy_index);
3469 actual_phy_idx = phy_index;
3470 if (phy_config_swapped) {
3471 if (phy_index == EXT_PHY1)
3472 actual_phy_idx = EXT_PHY2;
3473 else if (phy_index == EXT_PHY2)
3474 actual_phy_idx = EXT_PHY1;
3476 params->phy[actual_phy_idx].req_flow_ctrl =
3477 params->req_flow_ctrl[link_cfg_idx];
3479 params->phy[actual_phy_idx].req_line_speed =
3480 params->req_line_speed[link_cfg_idx];
3482 params->phy[actual_phy_idx].speed_cap_mask =
3483 params->speed_cap_mask[link_cfg_idx];
3485 params->phy[actual_phy_idx].req_duplex =
3486 params->req_duplex[link_cfg_idx];
3488 if (params->req_line_speed[link_cfg_idx] ==
3490 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
3492 DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
3493 " speed_cap_mask %x\n",
3494 params->phy[actual_phy_idx].req_flow_ctrl,
3495 params->phy[actual_phy_idx].req_line_speed,
3496 params->phy[actual_phy_idx].speed_cap_mask);
3500 static void bnx2x_ext_phy_set_pause(struct link_params *params,
3501 struct bnx2x_phy *phy,
3502 struct link_vars *vars)
3505 struct bnx2x *bp = params->bp;
3506 /* Read modify write pause advertizing */
3507 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
3509 val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
3511 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
3512 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
3513 if ((vars->ieee_fc &
3514 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
3515 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
3516 val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
3518 if ((vars->ieee_fc &
3519 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
3520 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
3521 val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
3523 DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
3524 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
3527 static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
3529 switch (pause_result) { /* ASYM P ASYM P */
3530 case 0xb: /* 1 0 1 1 */
3531 vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
3534 case 0xe: /* 1 1 1 0 */
3535 vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
3538 case 0x5: /* 0 1 0 1 */
3539 case 0x7: /* 0 1 1 1 */
3540 case 0xd: /* 1 1 0 1 */
3541 case 0xf: /* 1 1 1 1 */
3542 vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
3548 if (pause_result & (1<<0))
3549 vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
3550 if (pause_result & (1<<1))
3551 vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
3555 static void bnx2x_ext_phy_update_adv_fc(struct bnx2x_phy *phy,
3556 struct link_params *params,
3557 struct link_vars *vars)
3559 u16 ld_pause; /* local */
3560 u16 lp_pause; /* link partner */
3562 struct bnx2x *bp = params->bp;
3563 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
3564 bnx2x_cl22_read(bp, phy, 0x4, &ld_pause);
3565 bnx2x_cl22_read(bp, phy, 0x5, &lp_pause);
3566 } else if (CHIP_IS_E3(bp) &&
3567 SINGLE_MEDIA_DIRECT(params)) {
3568 u8 lane = bnx2x_get_warpcore_lane(phy, params);
3569 u16 gp_status, gp_mask;
3570 bnx2x_cl45_read(bp, phy,
3571 MDIO_AN_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_4,
3573 gp_mask = (MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL |
3574 MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP) <<
3576 if ((gp_status & gp_mask) == gp_mask) {
3577 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3578 MDIO_AN_REG_ADV_PAUSE, &ld_pause);
3579 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3580 MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
3582 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3583 MDIO_AN_REG_CL37_FC_LD, &ld_pause);
3584 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3585 MDIO_AN_REG_CL37_FC_LP, &lp_pause);
3586 ld_pause = ((ld_pause &
3587 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
3589 lp_pause = ((lp_pause &
3590 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
3594 bnx2x_cl45_read(bp, phy,
3596 MDIO_AN_REG_ADV_PAUSE, &ld_pause);
3597 bnx2x_cl45_read(bp, phy,
3599 MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
3601 pause_result = (ld_pause &
3602 MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
3603 pause_result |= (lp_pause &
3604 MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
3605 DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n", pause_result);
3606 bnx2x_pause_resolve(vars, pause_result);
3610 static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
3611 struct link_params *params,
3612 struct link_vars *vars)
3615 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
3616 if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
3617 /* Update the advertised flow-controled of LD/LP in AN */
3618 if (phy->req_line_speed == SPEED_AUTO_NEG)
3619 bnx2x_ext_phy_update_adv_fc(phy, params, vars);
3620 /* But set the flow-control result as the requested one */
3621 vars->flow_ctrl = phy->req_flow_ctrl;
3622 } else if (phy->req_line_speed != SPEED_AUTO_NEG)
3623 vars->flow_ctrl = params->req_fc_auto_adv;
3624 else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
3626 bnx2x_ext_phy_update_adv_fc(phy, params, vars);
3630 /******************************************************************/
3631 /* Warpcore section */
3632 /******************************************************************/
3633 /* The init_internal_warpcore should mirror the xgxs,
3634 * i.e. reset the lane (if needed), set aer for the
3635 * init configuration, and set/clear SGMII flag. Internal
3636 * phy init is done purely in phy_init stage.
3638 #define WC_TX_DRIVER(post2, idriver, ipre) \
3639 ((post2 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) | \
3640 (idriver << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) | \
3641 (ipre << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET))
3643 #define WC_TX_FIR(post, main, pre) \
3644 ((post << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) | \
3645 (main << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) | \
3646 (pre << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET))
3648 static void bnx2x_warpcore_enable_AN_KR2(struct bnx2x_phy *phy,
3649 struct link_params *params,
3650 struct link_vars *vars)
3652 struct bnx2x *bp = params->bp;
3654 static struct bnx2x_reg_set reg_set[] = {
3655 /* Step 1 - Program the TX/RX alignment markers */
3656 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0xa157},
3657 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xcbe2},
3658 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0x7537},
3659 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0xa157},
3660 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xcbe2},
3661 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0x7537},
3662 /* Step 2 - Configure the NP registers */
3663 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000a},
3664 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6400},
3665 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0620},
3666 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0157},
3667 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x6464},
3668 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x3150},
3669 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x3150},
3670 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0157},
3671 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0620}
3673 DP(NETIF_MSG_LINK, "Enabling 20G-KR2\n");
3675 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3676 MDIO_WC_REG_CL49_USERB0_CTRL, (3<<6));
3678 for (i = 0; i < ARRAY_SIZE(reg_set); i++)
3679 bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
3682 /* Start KR2 work-around timer which handles BCM8073 link-parner */
3683 vars->link_attr_sync |= LINK_ATTR_SYNC_KR2_ENABLE;
3684 bnx2x_update_link_attr(params, vars->link_attr_sync);
3687 static void bnx2x_disable_kr2(struct link_params *params,
3688 struct link_vars *vars,
3689 struct bnx2x_phy *phy)
3691 struct bnx2x *bp = params->bp;
3693 static struct bnx2x_reg_set reg_set[] = {
3694 /* Step 1 - Program the TX/RX alignment markers */
3695 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0x7690},
3696 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xe647},
3697 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0xc4f0},
3698 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0x7690},
3699 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xe647},
3700 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0xc4f0},
3701 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000c},
3702 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6000},
3703 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0000},
3704 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0002},
3705 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x0000},
3706 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x0af7},
3707 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x0af7},
3708 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0002},
3709 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0000}
3711 DP(NETIF_MSG_LINK, "Disabling 20G-KR2\n");
3713 for (i = 0; i < ARRAY_SIZE(reg_set); i++)
3714 bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
3716 vars->link_attr_sync &= ~LINK_ATTR_SYNC_KR2_ENABLE;
3717 bnx2x_update_link_attr(params, vars->link_attr_sync);
3719 vars->check_kr2_recovery_cnt = CHECK_KR2_RECOVERY_CNT;
3722 static void bnx2x_warpcore_set_lpi_passthrough(struct bnx2x_phy *phy,
3723 struct link_params *params)
3725 struct bnx2x *bp = params->bp;
3727 DP(NETIF_MSG_LINK, "Configure WC for LPI pass through\n");
3728 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3729 MDIO_WC_REG_EEE_COMBO_CONTROL0, 0x7c);
3730 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3731 MDIO_WC_REG_DIGITAL4_MISC5, 0xc000);
3734 static void bnx2x_warpcore_restart_AN_KR(struct bnx2x_phy *phy,
3735 struct link_params *params)
3737 /* Restart autoneg on the leading lane only */
3738 struct bnx2x *bp = params->bp;
3739 u16 lane = bnx2x_get_warpcore_lane(phy, params);
3740 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3741 MDIO_AER_BLOCK_AER_REG, lane);
3742 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3743 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
3746 bnx2x_set_aer_mmd(params, phy);
3749 static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
3750 struct link_params *params,
3751 struct link_vars *vars) {
3752 u16 lane, i, cl72_ctrl, an_adv = 0;
3753 struct bnx2x *bp = params->bp;
3754 static struct bnx2x_reg_set reg_set[] = {
3755 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
3756 {MDIO_PMA_DEVAD, MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0},
3757 {MDIO_WC_DEVAD, MDIO_WC_REG_RX66_CONTROL, 0x7415},
3758 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190},
3759 /* Disable Autoneg: re-enable it after adv is done. */
3760 {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0},
3761 {MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2},
3762 {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0},
3764 DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
3765 /* Set to default registers that may be overriden by 10G force */
3766 for (i = 0; i < ARRAY_SIZE(reg_set); i++)
3767 bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
3770 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3771 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &cl72_ctrl);
3772 cl72_ctrl &= 0x08ff;
3773 cl72_ctrl |= 0x3800;
3774 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3775 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, cl72_ctrl);
3777 /* Check adding advertisement for 1G KX */
3778 if (((vars->line_speed == SPEED_AUTO_NEG) &&
3779 (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
3780 (vars->line_speed == SPEED_1000)) {
3781 u16 addr = MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2;
3784 /* Enable CL37 1G Parallel Detect */
3785 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, addr, 0x1);
3786 DP(NETIF_MSG_LINK, "Advertize 1G\n");
3788 if (((vars->line_speed == SPEED_AUTO_NEG) &&
3789 (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
3790 (vars->line_speed == SPEED_10000)) {
3791 /* Check adding advertisement for 10G KR */
3793 /* Enable 10G Parallel Detect */
3794 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3795 MDIO_AER_BLOCK_AER_REG, 0);
3797 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3798 MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
3799 bnx2x_set_aer_mmd(params, phy);
3800 DP(NETIF_MSG_LINK, "Advertize 10G\n");
3803 /* Set Transmit PMD settings */
3804 lane = bnx2x_get_warpcore_lane(phy, params);
3805 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3806 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
3807 WC_TX_DRIVER(0x02, 0x06, 0x09));
3808 /* Configure the next lane if dual mode */
3809 if (phy->flags & FLAGS_WC_DUAL_MODE)
3810 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3811 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*(lane+1),
3812 WC_TX_DRIVER(0x02, 0x06, 0x09));
3813 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3814 MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
3816 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3817 MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
3820 /* Advertised speeds */
3821 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3822 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, an_adv);
3824 /* Advertised and set FEC (Forward Error Correction) */
3825 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3826 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
3827 (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
3828 MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));
3830 /* Enable CL37 BAM */
3831 if (REG_RD(bp, params->shmem_base +
3832 offsetof(struct shmem_region, dev_info.
3833 port_hw_config[params->port].default_cfg)) &
3834 PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
3835 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3836 MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL,
3838 DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
3841 /* Advertise pause */
3842 bnx2x_ext_phy_set_pause(params, phy, vars);
3843 vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
3844 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3845 MDIO_WC_REG_DIGITAL5_MISC7, 0x100);
3847 /* Over 1G - AN local device user page 1 */
3848 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3849 MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
3851 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
3852 (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)) ||
3853 (phy->req_line_speed == SPEED_20000)) {
3855 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3856 MDIO_AER_BLOCK_AER_REG, lane);
3858 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3859 MDIO_WC_REG_RX1_PCI_CTRL + (0x10*lane),
3862 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3863 MDIO_WC_REG_XGXS_X2_CONTROL3, 0x7);
3864 bnx2x_set_aer_mmd(params, phy);
3866 bnx2x_warpcore_enable_AN_KR2(phy, params, vars);
3868 /* Enable Auto-Detect to support 1G over CL37 as well */
3869 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3870 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0x10);
3872 /* Force cl48 sync_status LOW to avoid getting stuck in CL73
3873 * parallel-detect loop when CL73 and CL37 are enabled.
3875 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3876 MDIO_AER_BLOCK_AER_REG, 0);
3877 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3878 MDIO_WC_REG_RXB_ANA_RX_CONTROL_PCI, 0x0800);
3879 bnx2x_set_aer_mmd(params, phy);
3881 bnx2x_disable_kr2(params, vars, phy);
3884 /* Enable Autoneg: only on the main lane */
3885 bnx2x_warpcore_restart_AN_KR(phy, params);
3888 static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
3889 struct link_params *params,
3890 struct link_vars *vars)
3892 struct bnx2x *bp = params->bp;
3894 static struct bnx2x_reg_set reg_set[] = {
3895 /* Disable Autoneg */
3896 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
3897 {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
3899 {MDIO_AN_DEVAD, MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0},
3900 {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0},
3901 {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL3_UP1, 0x1},
3902 {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL5_MISC7, 0xa},
3903 /* Leave cl72 training enable, needed for KR */
3904 {MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2}
3907 for (i = 0; i < ARRAY_SIZE(reg_set); i++)
3908 bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
3911 lane = bnx2x_get_warpcore_lane(phy, params);
3912 /* Global registers */
3913 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3914 MDIO_AER_BLOCK_AER_REG, 0);
3915 /* Disable CL36 PCS Tx */
3916 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3917 MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
3918 val16 &= ~(0x0011 << lane);
3919 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3920 MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
3922 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3923 MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
3924 val16 |= (0x0303 << (lane << 1));
3925 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3926 MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
3928 bnx2x_set_aer_mmd(params, phy);
3929 /* Set speed via PMA/PMD register */
3930 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
3931 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
3933 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
3934 MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
3936 /* Enable encoded forced speed */
3937 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3938 MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
3940 /* Turn TX scramble payload only the 64/66 scrambler */
3941 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3942 MDIO_WC_REG_TX66_CONTROL, 0x9);
3944 /* Turn RX scramble payload only the 64/66 scrambler */
3945 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3946 MDIO_WC_REG_RX66_CONTROL, 0xF9);
3948 /* Set and clear loopback to cause a reset to 64/66 decoder */
3949 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3950 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
3951 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3952 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
3956 static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
3957 struct link_params *params,
3960 struct bnx2x *bp = params->bp;
3961 u16 misc1_val, tap_val, tx_driver_val, lane, val;
3962 u32 cfg_tap_val, tx_drv_brdct, tx_equal;
3964 /* Hold rxSeqStart */
3965 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3966 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x8000);
3968 /* Hold tx_fifo_reset */
3969 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3970 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x1);
3972 /* Disable CL73 AN */
3973 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
3975 /* Disable 100FX Enable and Auto-Detect */
3976 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
3977 MDIO_WC_REG_FX100_CTRL1, 0xFFFA);
3979 /* Disable 100FX Idle detect */
3980 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3981 MDIO_WC_REG_FX100_CTRL3, 0x0080);
3983 /* Set Block address to Remote PHY & Clear forced_speed[5] */
3984 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
3985 MDIO_WC_REG_DIGITAL4_MISC3, 0xFF7F);
3987 /* Turn off auto-detect & fiber mode */
3988 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
3989 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
3992 /* Set filter_force_link, disable_false_link and parallel_detect */
3993 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3994 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
3995 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3996 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
3997 ((val | 0x0006) & 0xFFFE));
4000 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4001 MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
4003 misc1_val &= ~(0x1f);
4007 tap_val = WC_TX_FIR(0x08, 0x37, 0x00);
4008 tx_driver_val = WC_TX_DRIVER(0x00, 0x02, 0x03);
4010 cfg_tap_val = REG_RD(bp, params->shmem_base +
4011 offsetof(struct shmem_region, dev_info.
4012 port_hw_config[params->port].
4015 tx_equal = cfg_tap_val & PORT_HW_CFG_TX_EQUALIZATION_MASK;
4017 tx_drv_brdct = (cfg_tap_val &
4018 PORT_HW_CFG_TX_DRV_BROADCAST_MASK) >>
4019 PORT_HW_CFG_TX_DRV_BROADCAST_SHIFT;
4023 /* TAP values are controlled by nvram, if value there isn't 0 */
4025 tap_val = (u16)tx_equal;
4027 tap_val = WC_TX_FIR(0x0f, 0x2b, 0x02);
4030 tx_driver_val = WC_TX_DRIVER(0x03, (u16)tx_drv_brdct,
4033 tx_driver_val = WC_TX_DRIVER(0x03, 0x02, 0x06);
4035 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4036 MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
4038 /* Set Transmit PMD settings */
4039 lane = bnx2x_get_warpcore_lane(phy, params);
4040 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4041 MDIO_WC_REG_TX_FIR_TAP,
4042 tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
4043 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4044 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
4047 /* Enable fiber mode, enable and invert sig_det */
4048 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4049 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0xd);
4051 /* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
4052 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4053 MDIO_WC_REG_DIGITAL4_MISC3, 0x8080);
4055 bnx2x_warpcore_set_lpi_passthrough(phy, params);
4057 /* 10G XFI Full Duplex */
4058 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4059 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
4061 /* Release tx_fifo_reset */
4062 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4063 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
4065 /* Release rxSeqStart */
4066 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4067 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x7FFF);
4070 static void bnx2x_warpcore_set_20G_force_KR2(struct bnx2x_phy *phy,
4071 struct link_params *params)
4074 struct bnx2x *bp = params->bp;
4075 /* Set global registers, so set AER lane to 0 */
4076 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4077 MDIO_AER_BLOCK_AER_REG, 0);
4079 /* Disable sequencer */
4080 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4081 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, ~(1<<13));
4083 bnx2x_set_aer_mmd(params, phy);
4085 bnx2x_cl45_read_and_write(bp, phy, MDIO_PMA_DEVAD,
4086 MDIO_WC_REG_PMD_KR_CONTROL, ~(1<<1));
4087 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
4088 MDIO_AN_REG_CTRL, 0);
4090 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4091 MDIO_WC_REG_CL73_USERB0_CTRL, &val);
4094 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4095 MDIO_WC_REG_CL73_USERB0_CTRL, val);
4097 /* Set 20G KR2 force speed */
4098 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4099 MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x1f);
4101 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4102 MDIO_WC_REG_DIGITAL4_MISC3, (1<<7));
4104 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4105 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &val);
4108 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4109 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, val);
4110 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4111 MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0x835A);
4113 /* Enable sequencer (over lane 0) */
4114 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4115 MDIO_AER_BLOCK_AER_REG, 0);
4117 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4118 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, (1<<13));
4120 bnx2x_set_aer_mmd(params, phy);
4123 static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
4124 struct bnx2x_phy *phy,
4127 /* Rx0 anaRxControl1G */
4128 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4129 MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
4131 /* Rx2 anaRxControl1G */
4132 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4133 MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
4135 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4136 MDIO_WC_REG_RX66_SCW0, 0xE070);
4138 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4139 MDIO_WC_REG_RX66_SCW1, 0xC0D0);
4141 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4142 MDIO_WC_REG_RX66_SCW2, 0xA0B0);
4144 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4145 MDIO_WC_REG_RX66_SCW3, 0x8090);
4147 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4148 MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
4150 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4151 MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
4153 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4154 MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
4156 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4157 MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
4159 /* Serdes Digital Misc1 */
4160 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4161 MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
4163 /* Serdes Digital4 Misc3 */
4164 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4165 MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
4167 /* Set Transmit PMD settings */
4168 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4169 MDIO_WC_REG_TX_FIR_TAP,
4170 (WC_TX_FIR(0x12, 0x2d, 0x00) |
4171 MDIO_WC_REG_TX_FIR_TAP_ENABLE));
4172 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4173 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
4174 WC_TX_DRIVER(0x02, 0x02, 0x02));
4177 static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
4178 struct link_params *params,
4182 struct bnx2x *bp = params->bp;
4183 u16 val16, digctrl_kx1, digctrl_kx2;
4185 /* Clear XFI clock comp in non-10G single lane mode. */
4186 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4187 MDIO_WC_REG_RX66_CONTROL, ~(3<<13));
4189 bnx2x_warpcore_set_lpi_passthrough(phy, params);
4191 if (always_autoneg || phy->req_line_speed == SPEED_AUTO_NEG) {
4193 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4194 MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
4196 DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
4198 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4199 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4201 switch (phy->req_line_speed) {
4212 "Speed not supported: 0x%x\n", phy->req_line_speed);
4216 if (phy->req_duplex == DUPLEX_FULL)
4219 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4220 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
4222 DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
4223 phy->req_line_speed);
4224 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4225 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4226 DP(NETIF_MSG_LINK, " (readback) %x\n", val16);
4229 /* SGMII Slave mode and disable signal detect */
4230 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4231 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
4235 digctrl_kx1 &= 0xff4a;
4237 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4238 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4241 /* Turn off parallel detect */
4242 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4243 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
4244 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4245 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4246 (digctrl_kx2 & ~(1<<2)));
4248 /* Re-enable parallel detect */
4249 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4250 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4251 (digctrl_kx2 | (1<<2)));
4253 /* Enable autodet */
4254 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4255 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4256 (digctrl_kx1 | 0x10));
4259 static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
4260 struct bnx2x_phy *phy,
4264 /* Take lane out of reset after configuration is finished */
4265 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4266 MDIO_WC_REG_DIGITAL5_MISC6, &val);
4271 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4272 MDIO_WC_REG_DIGITAL5_MISC6, val);
4273 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4274 MDIO_WC_REG_DIGITAL5_MISC6, &val);
4276 /* Clear SFI/XFI link settings registers */
4277 static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
4278 struct link_params *params,
4281 struct bnx2x *bp = params->bp;
4283 static struct bnx2x_reg_set wc_regs[] = {
4284 {MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0},
4285 {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL1, 0x014a},
4286 {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL3, 0x0800},
4287 {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL4_MISC3, 0x8008},
4288 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4290 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4292 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
4294 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000},
4295 {MDIO_WC_DEVAD, MDIO_WC_REG_TX_FIR_TAP, 0x0000},
4296 {MDIO_WC_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040},
4297 {MDIO_WC_DEVAD, MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140}
4299 /* Set XFI clock comp as default. */
4300 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4301 MDIO_WC_REG_RX66_CONTROL, (3<<13));
4303 for (i = 0; i < ARRAY_SIZE(wc_regs); i++)
4304 bnx2x_cl45_write(bp, phy, wc_regs[i].devad, wc_regs[i].reg,
4307 lane = bnx2x_get_warpcore_lane(phy, params);
4308 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4309 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
4313 static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
4315 u32 shmem_base, u8 port,
4316 u8 *gpio_num, u8 *gpio_port)
4321 if (CHIP_IS_E3(bp)) {
4322 cfg_pin = (REG_RD(bp, shmem_base +
4323 offsetof(struct shmem_region,
4324 dev_info.port_hw_config[port].e3_sfp_ctrl)) &
4325 PORT_HW_CFG_E3_MOD_ABS_MASK) >>
4326 PORT_HW_CFG_E3_MOD_ABS_SHIFT;
4328 /* Should not happen. This function called upon interrupt
4329 * triggered by GPIO ( since EPIO can only generate interrupts
4331 * So if this function was called and none of the GPIOs was set,
4332 * it means the shit hit the fan.
4334 if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
4335 (cfg_pin > PIN_CFG_GPIO3_P1)) {
4337 "No cfg pin %x for module detect indication\n",
4342 *gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
4343 *gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
4345 *gpio_num = MISC_REGISTERS_GPIO_3;
4352 static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
4353 struct link_params *params)
4355 struct bnx2x *bp = params->bp;
4356 u8 gpio_num, gpio_port;
4358 if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
4359 params->shmem_base, params->port,
4360 &gpio_num, &gpio_port) != 0)
4362 gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
4364 /* Call the handling function in case module is detected */
4370 static int bnx2x_warpcore_get_sigdet(struct bnx2x_phy *phy,
4371 struct link_params *params)
4373 u16 gp2_status_reg0, lane;
4374 struct bnx2x *bp = params->bp;
4376 lane = bnx2x_get_warpcore_lane(phy, params);
4378 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
4381 return (gp2_status_reg0 >> (8+lane)) & 0x1;
4384 static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy,
4385 struct link_params *params,
4386 struct link_vars *vars)
4388 struct bnx2x *bp = params->bp;
4390 u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
4392 vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;
4394 if (!vars->turn_to_run_wc_rt)
4397 if (vars->rx_tx_asic_rst) {
4398 u16 lane = bnx2x_get_warpcore_lane(phy, params);
4399 serdes_net_if = (REG_RD(bp, params->shmem_base +
4400 offsetof(struct shmem_region, dev_info.
4401 port_hw_config[params->port].default_cfg)) &
4402 PORT_HW_CFG_NET_SERDES_IF_MASK);
4404 switch (serdes_net_if) {
4405 case PORT_HW_CFG_NET_SERDES_IF_KR:
4406 /* Do we get link yet? */
4407 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 0x81d1,
4409 lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */
4411 lnkup_kr = (gp_status1 >> (12+lane)) & 0x1;
4413 if (lnkup_kr || lnkup) {
4414 vars->rx_tx_asic_rst = 0;
4416 /* Reset the lane to see if link comes up.*/
4417 bnx2x_warpcore_reset_lane(bp, phy, 1);
4418 bnx2x_warpcore_reset_lane(bp, phy, 0);
4420 /* Restart Autoneg */
4421 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
4422 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
4424 vars->rx_tx_asic_rst--;
4425 DP(NETIF_MSG_LINK, "0x%x retry left\n",
4426 vars->rx_tx_asic_rst);
4434 } /*params->rx_tx_asic_rst*/
4437 static void bnx2x_warpcore_config_sfi(struct bnx2x_phy *phy,
4438 struct link_params *params)
4440 u16 lane = bnx2x_get_warpcore_lane(phy, params);
4441 struct bnx2x *bp = params->bp;
4442 bnx2x_warpcore_clear_regs(phy, params, lane);
4443 if ((params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)] ==
4445 (phy->media_type != ETH_PHY_SFP_1G_FIBER)) {
4446 DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
4447 bnx2x_warpcore_set_10G_XFI(phy, params, 0);
4449 DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
4450 bnx2x_warpcore_set_sgmii_speed(phy, params, 1, 0);
4454 static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
4455 struct bnx2x_phy *phy,
4458 struct bnx2x *bp = params->bp;
4460 u8 port = params->port;
4462 cfg_pin = REG_RD(bp, params->shmem_base +
4463 offsetof(struct shmem_region,
4464 dev_info.port_hw_config[port].e3_sfp_ctrl)) &
4465 PORT_HW_CFG_E3_TX_LASER_MASK;
4466 /* Set the !tx_en since this pin is DISABLE_TX_LASER */
4467 DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
4469 /* For 20G, the expected pin to be used is 3 pins after the current */
4470 bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
4471 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
4472 bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
4475 static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
4476 struct link_params *params,
4477 struct link_vars *vars)
4479 struct bnx2x *bp = params->bp;
4482 u16 lane = bnx2x_get_warpcore_lane(phy, params);
4483 serdes_net_if = (REG_RD(bp, params->shmem_base +
4484 offsetof(struct shmem_region, dev_info.
4485 port_hw_config[params->port].default_cfg)) &
4486 PORT_HW_CFG_NET_SERDES_IF_MASK);
4487 DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
4488 "serdes_net_if = 0x%x\n",
4489 vars->line_speed, serdes_net_if);
4490 bnx2x_set_aer_mmd(params, phy);
4491 bnx2x_warpcore_reset_lane(bp, phy, 1);
4492 vars->phy_flags |= PHY_XGXS_FLAG;
4493 if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
4494 (phy->req_line_speed &&
4495 ((phy->req_line_speed == SPEED_100) ||
4496 (phy->req_line_speed == SPEED_10)))) {
4497 vars->phy_flags |= PHY_SGMII_FLAG;
4498 DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
4499 bnx2x_warpcore_clear_regs(phy, params, lane);
4500 bnx2x_warpcore_set_sgmii_speed(phy, params, 0, 1);
4502 switch (serdes_net_if) {
4503 case PORT_HW_CFG_NET_SERDES_IF_KR:
4504 /* Enable KR Auto Neg */
4505 if (params->loopback_mode != LOOPBACK_EXT)
4506 bnx2x_warpcore_enable_AN_KR(phy, params, vars);
4508 DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
4509 bnx2x_warpcore_set_10G_KR(phy, params, vars);
4513 case PORT_HW_CFG_NET_SERDES_IF_XFI:
4514 bnx2x_warpcore_clear_regs(phy, params, lane);
4515 if (vars->line_speed == SPEED_10000) {
4516 DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
4517 bnx2x_warpcore_set_10G_XFI(phy, params, 1);
4519 if (SINGLE_MEDIA_DIRECT(params)) {
4520 DP(NETIF_MSG_LINK, "1G Fiber\n");
4523 DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
4526 bnx2x_warpcore_set_sgmii_speed(phy,
4534 case PORT_HW_CFG_NET_SERDES_IF_SFI:
4535 /* Issue Module detection if module is plugged, or
4536 * enabled transmitter to avoid current leakage in case
4537 * no module is connected
4539 if ((params->loopback_mode == LOOPBACK_NONE) ||
4540 (params->loopback_mode == LOOPBACK_EXT)) {
4541 if (bnx2x_is_sfp_module_plugged(phy, params))
4542 bnx2x_sfp_module_detection(phy, params);
4544 bnx2x_sfp_e3_set_transmitter(params,
4548 bnx2x_warpcore_config_sfi(phy, params);
4551 case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
4552 if (vars->line_speed != SPEED_20000) {
4553 DP(NETIF_MSG_LINK, "Speed not supported yet\n");
4556 DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
4557 bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
4558 /* Issue Module detection */
4560 bnx2x_sfp_module_detection(phy, params);
4562 case PORT_HW_CFG_NET_SERDES_IF_KR2:
4563 if (!params->loopback_mode) {
4564 bnx2x_warpcore_enable_AN_KR(phy, params, vars);
4566 DP(NETIF_MSG_LINK, "Setting KR 20G-Force\n");
4567 bnx2x_warpcore_set_20G_force_KR2(phy, params);
4572 "Unsupported Serdes Net Interface 0x%x\n",
4578 /* Take lane out of reset after configuration is finished */
4579 bnx2x_warpcore_reset_lane(bp, phy, 0);
4580 DP(NETIF_MSG_LINK, "Exit config init\n");
4583 static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
4584 struct link_params *params)
4586 struct bnx2x *bp = params->bp;
4588 bnx2x_sfp_e3_set_transmitter(params, phy, 0);
4589 bnx2x_set_mdio_emac_per_phy(bp, params);
4590 bnx2x_set_aer_mmd(params, phy);
4591 /* Global register */
4592 bnx2x_warpcore_reset_lane(bp, phy, 1);
4594 /* Clear loopback settings (if any) */
4596 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4597 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0xBFFF);
4599 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4600 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0xfffe);
4602 /* Update those 1-copy registers */
4603 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4604 MDIO_AER_BLOCK_AER_REG, 0);
4605 /* Enable 1G MDIO (1-copy) */
4606 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4607 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4610 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4611 MDIO_WC_REG_XGXSBLK1_LANECTRL2, 0xff00);
4612 lane = bnx2x_get_warpcore_lane(phy, params);
4613 /* Disable CL36 PCS Tx */
4614 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4615 MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
4616 val16 |= (0x11 << lane);
4617 if (phy->flags & FLAGS_WC_DUAL_MODE)
4618 val16 |= (0x22 << lane);
4619 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4620 MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
4622 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4623 MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
4624 val16 &= ~(0x0303 << (lane << 1));
4625 val16 |= (0x0101 << (lane << 1));
4626 if (phy->flags & FLAGS_WC_DUAL_MODE) {
4627 val16 &= ~(0x0c0c << (lane << 1));
4628 val16 |= (0x0404 << (lane << 1));
4631 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4632 MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
4634 bnx2x_set_aer_mmd(params, phy);
4638 static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
4639 struct link_params *params)
4641 struct bnx2x *bp = params->bp;
4644 DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
4645 params->loopback_mode, phy->req_line_speed);
4647 if (phy->req_line_speed < SPEED_10000 ||
4648 phy->supported & SUPPORTED_20000baseKR2_Full) {
4649 /* 10/100/1000/20G-KR2 */
4651 /* Update those 1-copy registers */
4652 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4653 MDIO_AER_BLOCK_AER_REG, 0);
4654 /* Enable 1G MDIO (1-copy) */
4655 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4656 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4658 /* Set 1G loopback based on lane (1-copy) */
4659 lane = bnx2x_get_warpcore_lane(phy, params);
4660 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4661 MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
4663 if (phy->flags & FLAGS_WC_DUAL_MODE)
4665 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4666 MDIO_WC_REG_XGXSBLK1_LANECTRL2,
4669 /* Switch back to 4-copy registers */
4670 bnx2x_set_aer_mmd(params, phy);
4672 /* 10G / 20G-DXGXS */
4673 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4674 MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
4676 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4677 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1);
4683 static void bnx2x_sync_link(struct link_params *params,
4684 struct link_vars *vars)
4686 struct bnx2x *bp = params->bp;
4688 if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
4689 vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
4690 vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
4691 if (vars->link_up) {
4692 DP(NETIF_MSG_LINK, "phy link up\n");
4694 vars->phy_link_up = 1;
4695 vars->duplex = DUPLEX_FULL;
4696 switch (vars->link_status &
4697 LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
4699 vars->duplex = DUPLEX_HALF;
4702 vars->line_speed = SPEED_10;
4706 vars->duplex = DUPLEX_HALF;
4710 vars->line_speed = SPEED_100;
4714 vars->duplex = DUPLEX_HALF;
4717 vars->line_speed = SPEED_1000;
4721 vars->duplex = DUPLEX_HALF;
4724 vars->line_speed = SPEED_2500;
4728 vars->line_speed = SPEED_10000;
4731 vars->line_speed = SPEED_20000;
4736 vars->flow_ctrl = 0;
4737 if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
4738 vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
4740 if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
4741 vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
4743 if (!vars->flow_ctrl)
4744 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
4746 if (vars->line_speed &&
4747 ((vars->line_speed == SPEED_10) ||
4748 (vars->line_speed == SPEED_100))) {
4749 vars->phy_flags |= PHY_SGMII_FLAG;
4751 vars->phy_flags &= ~PHY_SGMII_FLAG;
4753 if (vars->line_speed &&
4754 USES_WARPCORE(bp) &&
4755 (vars->line_speed == SPEED_1000))
4756 vars->phy_flags |= PHY_SGMII_FLAG;
4757 /* Anything 10 and over uses the bmac */
4758 link_10g_plus = (vars->line_speed >= SPEED_10000);
4760 if (link_10g_plus) {
4761 if (USES_WARPCORE(bp))
4762 vars->mac_type = MAC_TYPE_XMAC;
4764 vars->mac_type = MAC_TYPE_BMAC;
4766 if (USES_WARPCORE(bp))
4767 vars->mac_type = MAC_TYPE_UMAC;
4769 vars->mac_type = MAC_TYPE_EMAC;
4771 } else { /* Link down */
4772 DP(NETIF_MSG_LINK, "phy link down\n");
4774 vars->phy_link_up = 0;
4776 vars->line_speed = 0;
4777 vars->duplex = DUPLEX_FULL;
4778 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
4780 /* Indicate no mac active */
4781 vars->mac_type = MAC_TYPE_NONE;
4782 if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
4783 vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
4784 if (vars->link_status & LINK_STATUS_SFP_TX_FAULT)
4785 vars->phy_flags |= PHY_SFP_TX_FAULT_FLAG;
4789 void bnx2x_link_status_update(struct link_params *params,
4790 struct link_vars *vars)
4792 struct bnx2x *bp = params->bp;
4793 u8 port = params->port;
4794 u32 sync_offset, media_types;
4795 /* Update PHY configuration */
4796 set_phy_vars(params, vars);
4798 vars->link_status = REG_RD(bp, params->shmem_base +
4799 offsetof(struct shmem_region,
4800 port_mb[port].link_status));
4802 /* Force link UP in non LOOPBACK_EXT loopback mode(s) */
4803 if (params->loopback_mode != LOOPBACK_NONE &&
4804 params->loopback_mode != LOOPBACK_EXT)
4805 vars->link_status |= LINK_STATUS_LINK_UP;
4807 if (bnx2x_eee_has_cap(params))
4808 vars->eee_status = REG_RD(bp, params->shmem2_base +
4809 offsetof(struct shmem2_region,
4810 eee_status[params->port]));
4812 vars->phy_flags = PHY_XGXS_FLAG;
4813 bnx2x_sync_link(params, vars);
4814 /* Sync media type */
4815 sync_offset = params->shmem_base +
4816 offsetof(struct shmem_region,
4817 dev_info.port_hw_config[port].media_type);
4818 media_types = REG_RD(bp, sync_offset);
4820 params->phy[INT_PHY].media_type =
4821 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
4822 PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
4823 params->phy[EXT_PHY1].media_type =
4824 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
4825 PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
4826 params->phy[EXT_PHY2].media_type =
4827 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
4828 PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
4829 DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
4831 /* Sync AEU offset */
4832 sync_offset = params->shmem_base +
4833 offsetof(struct shmem_region,
4834 dev_info.port_hw_config[port].aeu_int_mask);
4836 vars->aeu_int_mask = REG_RD(bp, sync_offset);
4838 /* Sync PFC status */
4839 if (vars->link_status & LINK_STATUS_PFC_ENABLED)
4840 params->feature_config_flags |=
4841 FEATURE_CONFIG_PFC_ENABLED;
4843 params->feature_config_flags &=
4844 ~FEATURE_CONFIG_PFC_ENABLED;
4846 if (SHMEM2_HAS(bp, link_attr_sync))
4847 vars->link_attr_sync = SHMEM2_RD(bp,
4848 link_attr_sync[params->port]);
4850 DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
4851 vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
4852 DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
4853 vars->line_speed, vars->duplex, vars->flow_ctrl);
4856 static void bnx2x_set_master_ln(struct link_params *params,
4857 struct bnx2x_phy *phy)
4859 struct bnx2x *bp = params->bp;
4860 u16 new_master_ln, ser_lane;
4861 ser_lane = ((params->lane_config &
4862 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
4863 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
4865 /* Set the master_ln for AN */
4866 CL22_RD_OVER_CL45(bp, phy,
4867 MDIO_REG_BANK_XGXS_BLOCK2,
4868 MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
4871 CL22_WR_OVER_CL45(bp, phy,
4872 MDIO_REG_BANK_XGXS_BLOCK2 ,
4873 MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
4874 (new_master_ln | ser_lane));
4877 static int bnx2x_reset_unicore(struct link_params *params,
4878 struct bnx2x_phy *phy,
4881 struct bnx2x *bp = params->bp;
4884 CL22_RD_OVER_CL45(bp, phy,
4885 MDIO_REG_BANK_COMBO_IEEE0,
4886 MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
4888 /* Reset the unicore */
4889 CL22_WR_OVER_CL45(bp, phy,
4890 MDIO_REG_BANK_COMBO_IEEE0,
4891 MDIO_COMBO_IEEE0_MII_CONTROL,
4893 MDIO_COMBO_IEEO_MII_CONTROL_RESET));
4895 bnx2x_set_serdes_access(bp, params->port);
4897 /* Wait for the reset to self clear */
4898 for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
4901 /* The reset erased the previous bank value */
4902 CL22_RD_OVER_CL45(bp, phy,
4903 MDIO_REG_BANK_COMBO_IEEE0,
4904 MDIO_COMBO_IEEE0_MII_CONTROL,
4907 if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
4913 netdev_err(bp->dev, "Warning: PHY was not initialized,"
4916 DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
4921 static void bnx2x_set_swap_lanes(struct link_params *params,
4922 struct bnx2x_phy *phy)
4924 struct bnx2x *bp = params->bp;
4925 /* Each two bits represents a lane number:
4926 * No swap is 0123 => 0x1b no need to enable the swap
4928 u16 rx_lane_swap, tx_lane_swap;
4930 rx_lane_swap = ((params->lane_config &
4931 PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
4932 PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
4933 tx_lane_swap = ((params->lane_config &
4934 PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
4935 PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
4937 if (rx_lane_swap != 0x1b) {
4938 CL22_WR_OVER_CL45(bp, phy,
4939 MDIO_REG_BANK_XGXS_BLOCK2,
4940 MDIO_XGXS_BLOCK2_RX_LN_SWAP,
4942 MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
4943 MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
4945 CL22_WR_OVER_CL45(bp, phy,
4946 MDIO_REG_BANK_XGXS_BLOCK2,
4947 MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
4950 if (tx_lane_swap != 0x1b) {
4951 CL22_WR_OVER_CL45(bp, phy,
4952 MDIO_REG_BANK_XGXS_BLOCK2,
4953 MDIO_XGXS_BLOCK2_TX_LN_SWAP,
4955 MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
4957 CL22_WR_OVER_CL45(bp, phy,
4958 MDIO_REG_BANK_XGXS_BLOCK2,
4959 MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
4963 static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
4964 struct link_params *params)
4966 struct bnx2x *bp = params->bp;
4968 CL22_RD_OVER_CL45(bp, phy,
4969 MDIO_REG_BANK_SERDES_DIGITAL,
4970 MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
4972 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
4973 control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
4975 control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
4976 DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
4977 phy->speed_cap_mask, control2);
4978 CL22_WR_OVER_CL45(bp, phy,
4979 MDIO_REG_BANK_SERDES_DIGITAL,
4980 MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
4983 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
4984 (phy->speed_cap_mask &
4985 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
4986 DP(NETIF_MSG_LINK, "XGXS\n");
4988 CL22_WR_OVER_CL45(bp, phy,
4989 MDIO_REG_BANK_10G_PARALLEL_DETECT,
4990 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
4991 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
4993 CL22_RD_OVER_CL45(bp, phy,
4994 MDIO_REG_BANK_10G_PARALLEL_DETECT,
4995 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
5000 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
5002 CL22_WR_OVER_CL45(bp, phy,
5003 MDIO_REG_BANK_10G_PARALLEL_DETECT,
5004 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
5007 /* Disable parallel detection of HiG */
5008 CL22_WR_OVER_CL45(bp, phy,
5009 MDIO_REG_BANK_XGXS_BLOCK2,
5010 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
5011 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
5012 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
5016 static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
5017 struct link_params *params,
5018 struct link_vars *vars,
5021 struct bnx2x *bp = params->bp;
5025 CL22_RD_OVER_CL45(bp, phy,
5026 MDIO_REG_BANK_COMBO_IEEE0,
5027 MDIO_COMBO_IEEE0_MII_CONTROL, ®_val);
5029 /* CL37 Autoneg Enabled */
5030 if (vars->line_speed == SPEED_AUTO_NEG)
5031 reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
5032 else /* CL37 Autoneg Disabled */
5033 reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5034 MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
5036 CL22_WR_OVER_CL45(bp, phy,
5037 MDIO_REG_BANK_COMBO_IEEE0,
5038 MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
5040 /* Enable/Disable Autodetection */
5042 CL22_RD_OVER_CL45(bp, phy,
5043 MDIO_REG_BANK_SERDES_DIGITAL,
5044 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, ®_val);
5045 reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
5046 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
5047 reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
5048 if (vars->line_speed == SPEED_AUTO_NEG)
5049 reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
5051 reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
5053 CL22_WR_OVER_CL45(bp, phy,
5054 MDIO_REG_BANK_SERDES_DIGITAL,
5055 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
5057 /* Enable TetonII and BAM autoneg */
5058 CL22_RD_OVER_CL45(bp, phy,
5059 MDIO_REG_BANK_BAM_NEXT_PAGE,
5060 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
5062 if (vars->line_speed == SPEED_AUTO_NEG) {
5063 /* Enable BAM aneg Mode and TetonII aneg Mode */
5064 reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
5065 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
5067 /* TetonII and BAM Autoneg Disabled */
5068 reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
5069 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
5071 CL22_WR_OVER_CL45(bp, phy,
5072 MDIO_REG_BANK_BAM_NEXT_PAGE,
5073 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
5077 /* Enable Cl73 FSM status bits */
5078 CL22_WR_OVER_CL45(bp, phy,
5079 MDIO_REG_BANK_CL73_USERB0,
5080 MDIO_CL73_USERB0_CL73_UCTRL,
5083 /* Enable BAM Station Manager*/
5084 CL22_WR_OVER_CL45(bp, phy,
5085 MDIO_REG_BANK_CL73_USERB0,
5086 MDIO_CL73_USERB0_CL73_BAM_CTRL1,
5087 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
5088 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
5089 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
5091 /* Advertise CL73 link speeds */
5092 CL22_RD_OVER_CL45(bp, phy,
5093 MDIO_REG_BANK_CL73_IEEEB1,
5094 MDIO_CL73_IEEEB1_AN_ADV2,
5096 if (phy->speed_cap_mask &
5097 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
5098 reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
5099 if (phy->speed_cap_mask &
5100 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
5101 reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
5103 CL22_WR_OVER_CL45(bp, phy,
5104 MDIO_REG_BANK_CL73_IEEEB1,
5105 MDIO_CL73_IEEEB1_AN_ADV2,
5108 /* CL73 Autoneg Enabled */
5109 reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
5111 } else /* CL73 Autoneg Disabled */
5114 CL22_WR_OVER_CL45(bp, phy,
5115 MDIO_REG_BANK_CL73_IEEEB0,
5116 MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
5119 /* Program SerDes, forced speed */
5120 static void bnx2x_program_serdes(struct bnx2x_phy *phy,
5121 struct link_params *params,
5122 struct link_vars *vars)
5124 struct bnx2x *bp = params->bp;
5127 /* Program duplex, disable autoneg and sgmii*/
5128 CL22_RD_OVER_CL45(bp, phy,
5129 MDIO_REG_BANK_COMBO_IEEE0,
5130 MDIO_COMBO_IEEE0_MII_CONTROL, ®_val);
5131 reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
5132 MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5133 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
5134 if (phy->req_duplex == DUPLEX_FULL)
5135 reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
5136 CL22_WR_OVER_CL45(bp, phy,
5137 MDIO_REG_BANK_COMBO_IEEE0,
5138 MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
5141 * - needed only if the speed is greater than 1G (2.5G or 10G)
5143 CL22_RD_OVER_CL45(bp, phy,
5144 MDIO_REG_BANK_SERDES_DIGITAL,
5145 MDIO_SERDES_DIGITAL_MISC1, ®_val);
5146 /* Clearing the speed value before setting the right speed */
5147 DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
5149 reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
5150 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
5152 if (!((vars->line_speed == SPEED_1000) ||
5153 (vars->line_speed == SPEED_100) ||
5154 (vars->line_speed == SPEED_10))) {
5156 reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
5157 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
5158 if (vars->line_speed == SPEED_10000)
5160 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
5163 CL22_WR_OVER_CL45(bp, phy,
5164 MDIO_REG_BANK_SERDES_DIGITAL,
5165 MDIO_SERDES_DIGITAL_MISC1, reg_val);
5169 static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
5170 struct link_params *params)
5172 struct bnx2x *bp = params->bp;
5175 /* Set extended capabilities */
5176 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
5177 val |= MDIO_OVER_1G_UP1_2_5G;
5178 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
5179 val |= MDIO_OVER_1G_UP1_10G;
5180 CL22_WR_OVER_CL45(bp, phy,
5181 MDIO_REG_BANK_OVER_1G,
5182 MDIO_OVER_1G_UP1, val);
5184 CL22_WR_OVER_CL45(bp, phy,
5185 MDIO_REG_BANK_OVER_1G,
5186 MDIO_OVER_1G_UP3, 0x400);
5189 static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
5190 struct link_params *params,
5193 struct bnx2x *bp = params->bp;
5195 /* For AN, we are always publishing full duplex */
5197 CL22_WR_OVER_CL45(bp, phy,
5198 MDIO_REG_BANK_COMBO_IEEE0,
5199 MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
5200 CL22_RD_OVER_CL45(bp, phy,
5201 MDIO_REG_BANK_CL73_IEEEB1,
5202 MDIO_CL73_IEEEB1_AN_ADV1, &val);
5203 val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
5204 val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
5205 CL22_WR_OVER_CL45(bp, phy,
5206 MDIO_REG_BANK_CL73_IEEEB1,
5207 MDIO_CL73_IEEEB1_AN_ADV1, val);
5210 static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
5211 struct link_params *params,
5214 struct bnx2x *bp = params->bp;
5217 DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
5218 /* Enable and restart BAM/CL37 aneg */
5221 CL22_RD_OVER_CL45(bp, phy,
5222 MDIO_REG_BANK_CL73_IEEEB0,
5223 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5226 CL22_WR_OVER_CL45(bp, phy,
5227 MDIO_REG_BANK_CL73_IEEEB0,
5228 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5230 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
5231 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
5234 CL22_RD_OVER_CL45(bp, phy,
5235 MDIO_REG_BANK_COMBO_IEEE0,
5236 MDIO_COMBO_IEEE0_MII_CONTROL,
5239 "bnx2x_restart_autoneg mii_control before = 0x%x\n",
5241 CL22_WR_OVER_CL45(bp, phy,
5242 MDIO_REG_BANK_COMBO_IEEE0,
5243 MDIO_COMBO_IEEE0_MII_CONTROL,
5245 MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5246 MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
5250 static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
5251 struct link_params *params,
5252 struct link_vars *vars)
5254 struct bnx2x *bp = params->bp;
5257 /* In SGMII mode, the unicore is always slave */
5259 CL22_RD_OVER_CL45(bp, phy,
5260 MDIO_REG_BANK_SERDES_DIGITAL,
5261 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
5263 control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
5264 /* Set sgmii mode (and not fiber) */
5265 control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
5266 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
5267 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
5268 CL22_WR_OVER_CL45(bp, phy,
5269 MDIO_REG_BANK_SERDES_DIGITAL,
5270 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
5273 /* If forced speed */
5274 if (!(vars->line_speed == SPEED_AUTO_NEG)) {
5275 /* Set speed, disable autoneg */
5278 CL22_RD_OVER_CL45(bp, phy,
5279 MDIO_REG_BANK_COMBO_IEEE0,
5280 MDIO_COMBO_IEEE0_MII_CONTROL,
5282 mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5283 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
5284 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
5286 switch (vars->line_speed) {
5289 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
5293 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
5296 /* There is nothing to set for 10M */
5299 /* Invalid speed for SGMII */
5300 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
5305 /* Setting the full duplex */
5306 if (phy->req_duplex == DUPLEX_FULL)
5308 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
5309 CL22_WR_OVER_CL45(bp, phy,
5310 MDIO_REG_BANK_COMBO_IEEE0,
5311 MDIO_COMBO_IEEE0_MII_CONTROL,
5314 } else { /* AN mode */
5315 /* Enable and restart AN */
5316 bnx2x_restart_autoneg(phy, params, 0);
5322 static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
5323 struct link_params *params)
5325 struct bnx2x *bp = params->bp;
5326 u16 pd_10g, status2_1000x;
5327 if (phy->req_line_speed != SPEED_AUTO_NEG)
5329 CL22_RD_OVER_CL45(bp, phy,
5330 MDIO_REG_BANK_SERDES_DIGITAL,
5331 MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
5333 CL22_RD_OVER_CL45(bp, phy,
5334 MDIO_REG_BANK_SERDES_DIGITAL,
5335 MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
5337 if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
5338 DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
5343 CL22_RD_OVER_CL45(bp, phy,
5344 MDIO_REG_BANK_10G_PARALLEL_DETECT,
5345 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
5348 if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
5349 DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
5356 static void bnx2x_update_adv_fc(struct bnx2x_phy *phy,
5357 struct link_params *params,
5358 struct link_vars *vars,
5361 u16 ld_pause; /* local driver */
5362 u16 lp_pause; /* link partner */
5364 struct bnx2x *bp = params->bp;
5366 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
5367 MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
5368 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
5369 MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
5371 CL22_RD_OVER_CL45(bp, phy,
5372 MDIO_REG_BANK_CL73_IEEEB1,
5373 MDIO_CL73_IEEEB1_AN_ADV1,
5375 CL22_RD_OVER_CL45(bp, phy,
5376 MDIO_REG_BANK_CL73_IEEEB1,
5377 MDIO_CL73_IEEEB1_AN_LP_ADV1,
5379 pause_result = (ld_pause &
5380 MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK) >> 8;
5381 pause_result |= (lp_pause &
5382 MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK) >> 10;
5383 DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n", pause_result);
5385 CL22_RD_OVER_CL45(bp, phy,
5386 MDIO_REG_BANK_COMBO_IEEE0,
5387 MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
5389 CL22_RD_OVER_CL45(bp, phy,
5390 MDIO_REG_BANK_COMBO_IEEE0,
5391 MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
5393 pause_result = (ld_pause &
5394 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
5395 pause_result |= (lp_pause &
5396 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
5397 DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n", pause_result);
5399 bnx2x_pause_resolve(vars, pause_result);
5403 static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
5404 struct link_params *params,
5405 struct link_vars *vars,
5408 struct bnx2x *bp = params->bp;
5409 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
5411 /* Resolve from gp_status in case of AN complete and not sgmii */
5412 if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
5413 /* Update the advertised flow-controled of LD/LP in AN */
5414 if (phy->req_line_speed == SPEED_AUTO_NEG)
5415 bnx2x_update_adv_fc(phy, params, vars, gp_status);
5416 /* But set the flow-control result as the requested one */
5417 vars->flow_ctrl = phy->req_flow_ctrl;
5418 } else if (phy->req_line_speed != SPEED_AUTO_NEG)
5419 vars->flow_ctrl = params->req_fc_auto_adv;
5420 else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
5421 (!(vars->phy_flags & PHY_SGMII_FLAG))) {
5422 if (bnx2x_direct_parallel_detect_used(phy, params)) {
5423 vars->flow_ctrl = params->req_fc_auto_adv;
5426 bnx2x_update_adv_fc(phy, params, vars, gp_status);
5428 DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
5431 static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
5432 struct link_params *params)
5434 struct bnx2x *bp = params->bp;
5435 u16 rx_status, ustat_val, cl37_fsm_received;
5436 DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
5437 /* Step 1: Make sure signal is detected */
5438 CL22_RD_OVER_CL45(bp, phy,
5442 if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
5443 (MDIO_RX0_RX_STATUS_SIGDET)) {
5444 DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
5445 "rx_status(0x80b0) = 0x%x\n", rx_status);
5446 CL22_WR_OVER_CL45(bp, phy,
5447 MDIO_REG_BANK_CL73_IEEEB0,
5448 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5449 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
5452 /* Step 2: Check CL73 state machine */
5453 CL22_RD_OVER_CL45(bp, phy,
5454 MDIO_REG_BANK_CL73_USERB0,
5455 MDIO_CL73_USERB0_CL73_USTAT1,
5458 (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
5459 MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
5460 (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
5461 MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
5462 DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
5463 "ustat_val(0x8371) = 0x%x\n", ustat_val);
5466 /* Step 3: Check CL37 Message Pages received to indicate LP
5467 * supports only CL37
5469 CL22_RD_OVER_CL45(bp, phy,
5470 MDIO_REG_BANK_REMOTE_PHY,
5471 MDIO_REMOTE_PHY_MISC_RX_STATUS,
5472 &cl37_fsm_received);
5473 if ((cl37_fsm_received &
5474 (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
5475 MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
5476 (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
5477 MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
5478 DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
5479 "misc_rx_status(0x8330) = 0x%x\n",
5483 /* The combined cl37/cl73 fsm state information indicating that
5484 * we are connected to a device which does not support cl73, but
5485 * does support cl37 BAM. In this case we disable cl73 and
5486 * restart cl37 auto-neg
5490 CL22_WR_OVER_CL45(bp, phy,
5491 MDIO_REG_BANK_CL73_IEEEB0,
5492 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5494 /* Restart CL37 autoneg */
5495 bnx2x_restart_autoneg(phy, params, 0);
5496 DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
5499 static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
5500 struct link_params *params,
5501 struct link_vars *vars,
5504 if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
5505 vars->link_status |=
5506 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
5508 if (bnx2x_direct_parallel_detect_used(phy, params))
5509 vars->link_status |=
5510 LINK_STATUS_PARALLEL_DETECTION_USED;
5512 static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
5513 struct link_params *params,
5514 struct link_vars *vars,
5519 struct bnx2x *bp = params->bp;
5520 if (phy->req_line_speed == SPEED_AUTO_NEG)
5521 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
5523 DP(NETIF_MSG_LINK, "phy link up\n");
5525 vars->phy_link_up = 1;
5526 vars->link_status |= LINK_STATUS_LINK_UP;
5528 switch (speed_mask) {
5530 vars->line_speed = SPEED_10;
5531 if (is_duplex == DUPLEX_FULL)
5532 vars->link_status |= LINK_10TFD;
5534 vars->link_status |= LINK_10THD;
5537 case GP_STATUS_100M:
5538 vars->line_speed = SPEED_100;
5539 if (is_duplex == DUPLEX_FULL)
5540 vars->link_status |= LINK_100TXFD;
5542 vars->link_status |= LINK_100TXHD;
5546 case GP_STATUS_1G_KX:
5547 vars->line_speed = SPEED_1000;
5548 if (is_duplex == DUPLEX_FULL)
5549 vars->link_status |= LINK_1000TFD;
5551 vars->link_status |= LINK_1000THD;
5554 case GP_STATUS_2_5G:
5555 vars->line_speed = SPEED_2500;
5556 if (is_duplex == DUPLEX_FULL)
5557 vars->link_status |= LINK_2500TFD;
5559 vars->link_status |= LINK_2500THD;
5565 "link speed unsupported gp_status 0x%x\n",
5569 case GP_STATUS_10G_KX4:
5570 case GP_STATUS_10G_HIG:
5571 case GP_STATUS_10G_CX4:
5572 case GP_STATUS_10G_KR:
5573 case GP_STATUS_10G_SFI:
5574 case GP_STATUS_10G_XFI:
5575 vars->line_speed = SPEED_10000;
5576 vars->link_status |= LINK_10GTFD;
5578 case GP_STATUS_20G_DXGXS:
5579 case GP_STATUS_20G_KR2:
5580 vars->line_speed = SPEED_20000;
5581 vars->link_status |= LINK_20GTFD;
5585 "link speed unsupported gp_status 0x%x\n",
5589 } else { /* link_down */
5590 DP(NETIF_MSG_LINK, "phy link down\n");
5592 vars->phy_link_up = 0;
5594 vars->duplex = DUPLEX_FULL;
5595 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
5596 vars->mac_type = MAC_TYPE_NONE;
5598 DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
5599 vars->phy_link_up, vars->line_speed);
5603 static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
5604 struct link_params *params,
5605 struct link_vars *vars)
5607 struct bnx2x *bp = params->bp;
5609 u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
5612 /* Read gp_status */
5613 CL22_RD_OVER_CL45(bp, phy,
5614 MDIO_REG_BANK_GP_STATUS,
5615 MDIO_GP_STATUS_TOP_AN_STATUS1,
5617 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
5618 duplex = DUPLEX_FULL;
5619 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
5621 speed_mask = gp_status & GP_STATUS_SPEED_MASK;
5622 DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
5623 gp_status, link_up, speed_mask);
5624 rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
5629 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
5630 if (SINGLE_MEDIA_DIRECT(params)) {
5631 vars->duplex = duplex;
5632 bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
5633 if (phy->req_line_speed == SPEED_AUTO_NEG)
5634 bnx2x_xgxs_an_resolve(phy, params, vars,
5637 } else { /* Link_down */
5638 if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
5639 SINGLE_MEDIA_DIRECT(params)) {
5640 /* Check signal is detected */
5641 bnx2x_check_fallback_to_cl37(phy, params);
5645 /* Read LP advertised speeds*/
5646 if (SINGLE_MEDIA_DIRECT(params) &&
5647 (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)) {
5650 CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB1,
5651 MDIO_CL73_IEEEB1_AN_LP_ADV2, &val);
5653 if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
5654 vars->link_status |=
5655 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
5656 if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
5657 MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
5658 vars->link_status |=
5659 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5661 CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_OVER_1G,
5662 MDIO_OVER_1G_LP_UP1, &val);
5664 if (val & MDIO_OVER_1G_UP1_2_5G)
5665 vars->link_status |=
5666 LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
5667 if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
5668 vars->link_status |=
5669 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5672 DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
5673 vars->duplex, vars->flow_ctrl, vars->link_status);
5677 static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
5678 struct link_params *params,
5679 struct link_vars *vars)
5681 struct bnx2x *bp = params->bp;
5683 u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
5685 lane = bnx2x_get_warpcore_lane(phy, params);
5686 /* Read gp_status */
5687 if ((params->loopback_mode) &&
5688 (phy->flags & FLAGS_WC_DUAL_MODE)) {
5689 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5690 MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
5691 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5692 MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
5694 } else if ((phy->req_line_speed > SPEED_10000) &&
5695 (phy->supported & SUPPORTED_20000baseMLD2_Full)) {
5697 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5699 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5701 DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
5702 temp_link_up, link_up);
5705 bnx2x_ext_phy_resolve_fc(phy, params, vars);
5707 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5708 MDIO_WC_REG_GP2_STATUS_GP_2_1,
5710 DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
5711 /* Check for either KR, 1G, or AN up. */
5712 link_up = ((gp_status1 >> 8) |
5713 (gp_status1 >> 12) |
5716 if (phy->supported & SUPPORTED_20000baseKR2_Full) {
5718 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
5719 MDIO_AN_REG_STATUS, &an_link);
5720 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
5721 MDIO_AN_REG_STATUS, &an_link);
5722 link_up |= (an_link & (1<<2));
5724 if (link_up && SINGLE_MEDIA_DIRECT(params)) {
5726 if (phy->req_line_speed == SPEED_AUTO_NEG) {
5727 /* Check Autoneg complete */
5728 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5729 MDIO_WC_REG_GP2_STATUS_GP_2_4,
5731 if (gp_status4 & ((1<<12)<<lane))
5732 vars->link_status |=
5733 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
5735 /* Check parallel detect used */
5736 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5737 MDIO_WC_REG_PAR_DET_10G_STATUS,
5740 vars->link_status |=
5741 LINK_STATUS_PARALLEL_DETECTION_USED;
5743 bnx2x_ext_phy_resolve_fc(phy, params, vars);
5744 vars->duplex = duplex;
5748 if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) &&
5749 SINGLE_MEDIA_DIRECT(params)) {
5752 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
5753 MDIO_AN_REG_LP_AUTO_NEG2, &val);
5755 if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
5756 vars->link_status |=
5757 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
5758 if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
5759 MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
5760 vars->link_status |=
5761 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5763 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5764 MDIO_WC_REG_DIGITAL3_LP_UP1, &val);
5766 if (val & MDIO_OVER_1G_UP1_2_5G)
5767 vars->link_status |=
5768 LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
5769 if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
5770 vars->link_status |=
5771 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5777 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5778 MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
5780 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5781 MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
5783 DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
5785 if ((lane & 1) == 0)
5788 link_up = !!link_up;
5790 rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
5793 /* In case of KR link down, start up the recovering procedure */
5794 if ((!link_up) && (phy->media_type == ETH_PHY_KR) &&
5795 (!(phy->flags & FLAGS_WC_DUAL_MODE)))
5796 vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
5798 DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
5799 vars->duplex, vars->flow_ctrl, vars->link_status);
5802 static void bnx2x_set_gmii_tx_driver(struct link_params *params)
5804 struct bnx2x *bp = params->bp;
5805 struct bnx2x_phy *phy = ¶ms->phy[INT_PHY];
5811 CL22_RD_OVER_CL45(bp, phy,
5812 MDIO_REG_BANK_OVER_1G,
5813 MDIO_OVER_1G_LP_UP2, &lp_up2);
5815 /* Bits [10:7] at lp_up2, positioned at [15:12] */
5816 lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
5817 MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
5818 MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
5823 for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
5824 bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
5825 CL22_RD_OVER_CL45(bp, phy,
5827 MDIO_TX0_TX_DRIVER, &tx_driver);
5829 /* Replace tx_driver bits [15:12] */
5831 (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
5832 tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
5833 tx_driver |= lp_up2;
5834 CL22_WR_OVER_CL45(bp, phy,
5836 MDIO_TX0_TX_DRIVER, tx_driver);
5841 static int bnx2x_emac_program(struct link_params *params,
5842 struct link_vars *vars)
5844 struct bnx2x *bp = params->bp;
5845 u8 port = params->port;
5848 DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
5849 bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
5851 (EMAC_MODE_25G_MODE |
5852 EMAC_MODE_PORT_MII_10M |
5853 EMAC_MODE_HALF_DUPLEX));
5854 switch (vars->line_speed) {
5856 mode |= EMAC_MODE_PORT_MII_10M;
5860 mode |= EMAC_MODE_PORT_MII;
5864 mode |= EMAC_MODE_PORT_GMII;
5868 mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
5872 /* 10G not valid for EMAC */
5873 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
5878 if (vars->duplex == DUPLEX_HALF)
5879 mode |= EMAC_MODE_HALF_DUPLEX;
5881 GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
5884 bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
5888 static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
5889 struct link_params *params)
5893 struct bnx2x *bp = params->bp;
5895 for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
5896 bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
5897 CL22_WR_OVER_CL45(bp, phy,
5899 MDIO_RX0_RX_EQ_BOOST,
5900 phy->rx_preemphasis[i]);
5903 for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
5904 bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
5905 CL22_WR_OVER_CL45(bp, phy,
5908 phy->tx_preemphasis[i]);
5912 static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
5913 struct link_params *params,
5914 struct link_vars *vars)
5916 struct bnx2x *bp = params->bp;
5917 u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
5918 (params->loopback_mode == LOOPBACK_XGXS));
5919 if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
5920 if (SINGLE_MEDIA_DIRECT(params) &&
5921 (params->feature_config_flags &
5922 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
5923 bnx2x_set_preemphasis(phy, params);
5925 /* Forced speed requested? */
5926 if (vars->line_speed != SPEED_AUTO_NEG ||
5927 (SINGLE_MEDIA_DIRECT(params) &&
5928 params->loopback_mode == LOOPBACK_EXT)) {
5929 DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
5931 /* Disable autoneg */
5932 bnx2x_set_autoneg(phy, params, vars, 0);
5934 /* Program speed and duplex */
5935 bnx2x_program_serdes(phy, params, vars);
5937 } else { /* AN_mode */
5938 DP(NETIF_MSG_LINK, "not SGMII, AN\n");
5941 bnx2x_set_brcm_cl37_advertisement(phy, params);
5943 /* Program duplex & pause advertisement (for aneg) */
5944 bnx2x_set_ieee_aneg_advertisement(phy, params,
5947 /* Enable autoneg */
5948 bnx2x_set_autoneg(phy, params, vars, enable_cl73);
5950 /* Enable and restart AN */
5951 bnx2x_restart_autoneg(phy, params, enable_cl73);
5954 } else { /* SGMII mode */
5955 DP(NETIF_MSG_LINK, "SGMII\n");
5957 bnx2x_initialize_sgmii_process(phy, params, vars);
5961 static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
5962 struct link_params *params,
5963 struct link_vars *vars)
5966 vars->phy_flags |= PHY_XGXS_FLAG;
5967 if ((phy->req_line_speed &&
5968 ((phy->req_line_speed == SPEED_100) ||
5969 (phy->req_line_speed == SPEED_10))) ||
5970 (!phy->req_line_speed &&
5971 (phy->speed_cap_mask >=
5972 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
5973 (phy->speed_cap_mask <
5974 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
5975 (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
5976 vars->phy_flags |= PHY_SGMII_FLAG;
5978 vars->phy_flags &= ~PHY_SGMII_FLAG;
5980 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
5981 bnx2x_set_aer_mmd(params, phy);
5982 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
5983 bnx2x_set_master_ln(params, phy);
5985 rc = bnx2x_reset_unicore(params, phy, 0);
5986 /* Reset the SerDes and wait for reset bit return low */
5990 bnx2x_set_aer_mmd(params, phy);
5991 /* Setting the masterLn_def again after the reset */
5992 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
5993 bnx2x_set_master_ln(params, phy);
5994 bnx2x_set_swap_lanes(params, phy);
6000 static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
6001 struct bnx2x_phy *phy,
6002 struct link_params *params)
6005 /* Wait for soft reset to get cleared up to 1 sec */
6006 for (cnt = 0; cnt < 1000; cnt++) {
6007 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
6008 bnx2x_cl22_read(bp, phy,
6009 MDIO_PMA_REG_CTRL, &ctrl);
6011 bnx2x_cl45_read(bp, phy,
6013 MDIO_PMA_REG_CTRL, &ctrl);
6014 if (!(ctrl & (1<<15)))
6016 usleep_range(1000, 2000);
6020 netdev_err(bp->dev, "Warning: PHY was not initialized,"
6023 DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
6027 static void bnx2x_link_int_enable(struct link_params *params)
6029 u8 port = params->port;
6031 struct bnx2x *bp = params->bp;
6033 /* Setting the status to report on link up for either XGXS or SerDes */
6034 if (CHIP_IS_E3(bp)) {
6035 mask = NIG_MASK_XGXS0_LINK_STATUS;
6036 if (!(SINGLE_MEDIA_DIRECT(params)))
6037 mask |= NIG_MASK_MI_INT;
6038 } else if (params->switch_cfg == SWITCH_CFG_10G) {
6039 mask = (NIG_MASK_XGXS0_LINK10G |
6040 NIG_MASK_XGXS0_LINK_STATUS);
6041 DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
6042 if (!(SINGLE_MEDIA_DIRECT(params)) &&
6043 params->phy[INT_PHY].type !=
6044 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
6045 mask |= NIG_MASK_MI_INT;
6046 DP(NETIF_MSG_LINK, "enabled external phy int\n");
6049 } else { /* SerDes */
6050 mask = NIG_MASK_SERDES0_LINK_STATUS;
6051 DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
6052 if (!(SINGLE_MEDIA_DIRECT(params)) &&
6053 params->phy[INT_PHY].type !=
6054 PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
6055 mask |= NIG_MASK_MI_INT;
6056 DP(NETIF_MSG_LINK, "enabled external phy int\n");
6060 NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
6063 DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
6064 (params->switch_cfg == SWITCH_CFG_10G),
6065 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
6066 DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
6067 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
6068 REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
6069 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
6070 DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
6071 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
6072 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
6075 static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
6078 u32 latch_status = 0;
6080 /* Disable the MI INT ( external phy int ) by writing 1 to the
6081 * status register. Link down indication is high-active-signal,
6082 * so in this case we need to write the status to clear the XOR
6084 /* Read Latched signals */
6085 latch_status = REG_RD(bp,
6086 NIG_REG_LATCH_STATUS_0 + port*8);
6087 DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
6088 /* Handle only those with latched-signal=up.*/
6091 NIG_REG_STATUS_INTERRUPT_PORT0
6093 NIG_STATUS_EMAC0_MI_INT);
6096 NIG_REG_STATUS_INTERRUPT_PORT0
6098 NIG_STATUS_EMAC0_MI_INT);
6100 if (latch_status & 1) {
6102 /* For all latched-signal=up : Re-Arm Latch signals */
6103 REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
6104 (latch_status & 0xfffe) | (latch_status & 1));
6106 /* For all latched-signal=up,Write original_signal to status */
6109 static void bnx2x_link_int_ack(struct link_params *params,
6110 struct link_vars *vars, u8 is_10g_plus)
6112 struct bnx2x *bp = params->bp;
6113 u8 port = params->port;
6115 /* First reset all status we assume only one line will be
6118 bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
6119 (NIG_STATUS_XGXS0_LINK10G |
6120 NIG_STATUS_XGXS0_LINK_STATUS |
6121 NIG_STATUS_SERDES0_LINK_STATUS));
6122 if (vars->phy_link_up) {
6123 if (USES_WARPCORE(bp))
6124 mask = NIG_STATUS_XGXS0_LINK_STATUS;
6127 mask = NIG_STATUS_XGXS0_LINK10G;
6128 else if (params->switch_cfg == SWITCH_CFG_10G) {
6129 /* Disable the link interrupt by writing 1 to
6130 * the relevant lane in the status register
6133 ((params->lane_config &
6134 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
6135 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
6136 mask = ((1 << ser_lane) <<
6137 NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
6139 mask = NIG_STATUS_SERDES0_LINK_STATUS;
6141 DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
6144 NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
6149 static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
6152 u32 mask = 0xf0000000;
6155 u8 remove_leading_zeros = 1;
6157 /* Need more than 10chars for this format */
6165 digit = ((num & mask) >> shift);
6166 if (digit == 0 && remove_leading_zeros) {
6169 } else if (digit < 0xa)
6170 *str_ptr = digit + '0';
6172 *str_ptr = digit - 0xa + 'a';
6173 remove_leading_zeros = 0;
6181 remove_leading_zeros = 1;
6188 static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
6195 int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 *version,
6201 u8 *ver_p = version;
6202 u16 remain_len = len;
6203 if (version == NULL || params == NULL)
6207 /* Extract first external phy*/
6209 spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
6211 if (params->phy[EXT_PHY1].format_fw_ver) {
6212 status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
6215 ver_p += (len - remain_len);
6217 if ((params->num_phys == MAX_PHYS) &&
6218 (params->phy[EXT_PHY2].ver_addr != 0)) {
6219 spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
6220 if (params->phy[EXT_PHY2].format_fw_ver) {
6224 status |= params->phy[EXT_PHY2].format_fw_ver(
6228 ver_p = version + (len - remain_len);
6235 static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
6236 struct link_params *params)
6238 u8 port = params->port;
6239 struct bnx2x *bp = params->bp;
6241 if (phy->req_line_speed != SPEED_1000) {
6244 DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
6246 if (!CHIP_IS_E3(bp)) {
6247 /* Change the uni_phy_addr in the nig */
6248 md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
6251 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
6255 bnx2x_cl45_write(bp, phy,
6257 (MDIO_REG_BANK_AER_BLOCK +
6258 (MDIO_AER_BLOCK_AER_REG & 0xf)),
6261 bnx2x_cl45_write(bp, phy,
6263 (MDIO_REG_BANK_CL73_IEEEB0 +
6264 (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
6267 /* Set aer mmd back */
6268 bnx2x_set_aer_mmd(params, phy);
6270 if (!CHIP_IS_E3(bp)) {
6272 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
6277 DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
6278 bnx2x_cl45_read(bp, phy, 5,
6279 (MDIO_REG_BANK_COMBO_IEEE0 +
6280 (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
6282 bnx2x_cl45_write(bp, phy, 5,
6283 (MDIO_REG_BANK_COMBO_IEEE0 +
6284 (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
6286 MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
6290 int bnx2x_set_led(struct link_params *params,
6291 struct link_vars *vars, u8 mode, u32 speed)
6293 u8 port = params->port;
6294 u16 hw_led_mode = params->hw_led_mode;
6298 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
6299 struct bnx2x *bp = params->bp;
6300 DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
6301 DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
6302 speed, hw_led_mode);
6304 for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
6305 if (params->phy[phy_idx].set_link_led) {
6306 params->phy[phy_idx].set_link_led(
6307 ¶ms->phy[phy_idx], params, mode);
6312 case LED_MODE_FRONT_PANEL_OFF:
6314 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
6315 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
6316 SHARED_HW_CFG_LED_MAC1);
6318 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6319 if (params->phy[EXT_PHY1].type ==
6320 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
6321 tmp &= ~(EMAC_LED_1000MB_OVERRIDE |
6322 EMAC_LED_100MB_OVERRIDE |
6323 EMAC_LED_10MB_OVERRIDE);
6325 tmp |= EMAC_LED_OVERRIDE;
6327 EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp);
6331 /* For all other phys, OPER mode is same as ON, so in case
6332 * link is down, do nothing
6337 if (((params->phy[EXT_PHY1].type ==
6338 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
6339 (params->phy[EXT_PHY1].type ==
6340 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
6341 CHIP_IS_E2(bp) && params->num_phys == 2) {
6342 /* This is a work-around for E2+8727 Configurations */
6343 if (mode == LED_MODE_ON ||
6344 speed == SPEED_10000){
6345 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
6346 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
6348 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6349 EMAC_WR(bp, EMAC_REG_EMAC_LED,
6350 (tmp | EMAC_LED_OVERRIDE));
6351 /* Return here without enabling traffic
6352 * LED blink and setting rate in ON mode.
6353 * In oper mode, enabling LED blink
6354 * and setting rate is needed.
6356 if (mode == LED_MODE_ON)
6359 } else if (SINGLE_MEDIA_DIRECT(params)) {
6360 /* This is a work-around for HW issue found when link
6363 if ((!CHIP_IS_E3(bp)) ||
6365 mode == LED_MODE_ON))
6366 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
6368 if (CHIP_IS_E1x(bp) ||
6370 (mode == LED_MODE_ON))
6371 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
6373 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
6375 } else if ((params->phy[EXT_PHY1].type ==
6376 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
6377 (mode == LED_MODE_ON)) {
6378 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
6379 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6380 EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp |
6381 EMAC_LED_OVERRIDE | EMAC_LED_1000MB_OVERRIDE);
6382 /* Break here; otherwise, it'll disable the
6383 * intended override.
6387 u32 nig_led_mode = ((params->hw_led_mode <<
6388 SHARED_HW_CFG_LED_MODE_SHIFT) ==
6389 SHARED_HW_CFG_LED_EXTPHY2) ?
6390 (SHARED_HW_CFG_LED_PHY1 >>
6391 SHARED_HW_CFG_LED_MODE_SHIFT) : hw_led_mode;
6392 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
6396 REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
6397 /* Set blinking rate to ~15.9Hz */
6399 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
6400 LED_BLINK_RATE_VAL_E3);
6402 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
6403 LED_BLINK_RATE_VAL_E1X_E2);
6404 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
6406 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6407 EMAC_WR(bp, EMAC_REG_EMAC_LED,
6408 (tmp & (~EMAC_LED_OVERRIDE)));
6410 if (CHIP_IS_E1(bp) &&
6411 ((speed == SPEED_2500) ||
6412 (speed == SPEED_1000) ||
6413 (speed == SPEED_100) ||
6414 (speed == SPEED_10))) {
6415 /* For speeds less than 10G LED scheme is different */
6416 REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
6418 REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
6420 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
6427 DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
6435 /* This function comes to reflect the actual link state read DIRECTLY from the
6438 int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
6441 struct bnx2x *bp = params->bp;
6442 u16 gp_status = 0, phy_index = 0;
6443 u8 ext_phy_link_up = 0, serdes_phy_type;
6444 struct link_vars temp_vars;
6445 struct bnx2x_phy *int_phy = ¶ms->phy[INT_PHY];
6447 if (CHIP_IS_E3(bp)) {
6449 if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
6451 /* Check 20G link */
6452 bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
6454 bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
6458 /* Check 10G link and below*/
6459 u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
6460 bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
6461 MDIO_WC_REG_GP2_STATUS_GP_2_1,
6463 gp_status = ((gp_status >> 8) & 0xf) |
6464 ((gp_status >> 12) & 0xf);
6465 link_up = gp_status & (1 << lane);
6470 CL22_RD_OVER_CL45(bp, int_phy,
6471 MDIO_REG_BANK_GP_STATUS,
6472 MDIO_GP_STATUS_TOP_AN_STATUS1,
6474 /* Link is up only if both local phy and external phy are up */
6475 if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
6478 /* In XGXS loopback mode, do not check external PHY */
6479 if (params->loopback_mode == LOOPBACK_XGXS)
6482 switch (params->num_phys) {
6484 /* No external PHY */
6487 ext_phy_link_up = params->phy[EXT_PHY1].read_status(
6488 ¶ms->phy[EXT_PHY1],
6489 params, &temp_vars);
6491 case 3: /* Dual Media */
6492 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6494 serdes_phy_type = ((params->phy[phy_index].media_type ==
6495 ETH_PHY_SFPP_10G_FIBER) ||
6496 (params->phy[phy_index].media_type ==
6497 ETH_PHY_SFP_1G_FIBER) ||
6498 (params->phy[phy_index].media_type ==
6499 ETH_PHY_XFP_FIBER) ||
6500 (params->phy[phy_index].media_type ==
6501 ETH_PHY_DA_TWINAX));
6503 if (is_serdes != serdes_phy_type)
6505 if (params->phy[phy_index].read_status) {
6507 params->phy[phy_index].read_status(
6508 ¶ms->phy[phy_index],
6509 params, &temp_vars);
6514 if (ext_phy_link_up)
6519 static int bnx2x_link_initialize(struct link_params *params,
6520 struct link_vars *vars)
6523 u8 phy_index, non_ext_phy;
6524 struct bnx2x *bp = params->bp;
6525 /* In case of external phy existence, the line speed would be the
6526 * line speed linked up by the external phy. In case it is direct
6527 * only, then the line_speed during initialization will be
6528 * equal to the req_line_speed
6530 vars->line_speed = params->phy[INT_PHY].req_line_speed;
6532 /* Initialize the internal phy in case this is a direct board
6533 * (no external phys), or this board has external phy which requires
6536 if (!USES_WARPCORE(bp))
6537 bnx2x_prepare_xgxs(¶ms->phy[INT_PHY], params, vars);
6538 /* init ext phy and enable link state int */
6539 non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
6540 (params->loopback_mode == LOOPBACK_XGXS));
6543 (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
6544 (params->loopback_mode == LOOPBACK_EXT_PHY)) {
6545 struct bnx2x_phy *phy = ¶ms->phy[INT_PHY];
6546 if (vars->line_speed == SPEED_AUTO_NEG &&
6549 bnx2x_set_parallel_detection(phy, params);
6550 if (params->phy[INT_PHY].config_init)
6551 params->phy[INT_PHY].config_init(phy, params, vars);
6554 /* Re-read this value in case it was changed inside config_init due to
6555 * limitations of optic module
6557 vars->line_speed = params->phy[INT_PHY].req_line_speed;
6559 /* Init external phy*/
6561 if (params->phy[INT_PHY].supported &
6563 vars->link_status |= LINK_STATUS_SERDES_LINK;
6565 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6567 /* No need to initialize second phy in case of first
6568 * phy only selection. In case of second phy, we do
6569 * need to initialize the first phy, since they are
6572 if (params->phy[phy_index].supported &
6574 vars->link_status |= LINK_STATUS_SERDES_LINK;
6576 if (phy_index == EXT_PHY2 &&
6577 (bnx2x_phy_selection(params) ==
6578 PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
6580 "Not initializing second phy\n");
6583 params->phy[phy_index].config_init(
6584 ¶ms->phy[phy_index],
6588 /* Reset the interrupt indication after phy was initialized */
6589 bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
6591 (NIG_STATUS_XGXS0_LINK10G |
6592 NIG_STATUS_XGXS0_LINK_STATUS |
6593 NIG_STATUS_SERDES0_LINK_STATUS |
6598 static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
6599 struct link_params *params)
6601 /* Reset the SerDes/XGXS */
6602 REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
6603 (0x1ff << (params->port*16)));
6606 static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
6607 struct link_params *params)
6609 struct bnx2x *bp = params->bp;
6613 gpio_port = BP_PATH(bp);
6615 gpio_port = params->port;
6616 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
6617 MISC_REGISTERS_GPIO_OUTPUT_LOW,
6619 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
6620 MISC_REGISTERS_GPIO_OUTPUT_LOW,
6622 DP(NETIF_MSG_LINK, "reset external PHY\n");
6625 static int bnx2x_update_link_down(struct link_params *params,
6626 struct link_vars *vars)
6628 struct bnx2x *bp = params->bp;
6629 u8 port = params->port;
6631 DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
6632 bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
6633 vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
6634 /* Indicate no mac active */
6635 vars->mac_type = MAC_TYPE_NONE;
6637 /* Update shared memory */
6638 vars->link_status &= ~LINK_UPDATE_MASK;
6639 vars->line_speed = 0;
6640 bnx2x_update_mng(params, vars->link_status);
6642 /* Activate nig drain */
6643 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
6646 if (!CHIP_IS_E3(bp))
6647 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
6649 usleep_range(10000, 20000);
6650 /* Reset BigMac/Xmac */
6651 if (CHIP_IS_E1x(bp) ||
6653 bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
6655 if (CHIP_IS_E3(bp)) {
6656 /* Prevent LPI Generation by chip */
6657 REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2),
6659 REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 + (params->port << 2),
6661 vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
6662 SHMEM_EEE_ACTIVE_BIT);
6664 bnx2x_update_mng_eee(params, vars->eee_status);
6665 bnx2x_set_xmac_rxtx(params, 0);
6666 bnx2x_set_umac_rxtx(params, 0);
6672 static int bnx2x_update_link_up(struct link_params *params,
6673 struct link_vars *vars,
6676 struct bnx2x *bp = params->bp;
6677 u8 phy_idx, port = params->port;
6680 vars->link_status |= (LINK_STATUS_LINK_UP |
6681 LINK_STATUS_PHYSICAL_LINK_FLAG);
6682 vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
6684 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
6685 vars->link_status |=
6686 LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
6688 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
6689 vars->link_status |=
6690 LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
6691 if (USES_WARPCORE(bp)) {
6693 if (bnx2x_xmac_enable(params, vars, 0) ==
6695 DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
6697 vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
6698 vars->link_status &= ~LINK_STATUS_LINK_UP;
6701 bnx2x_umac_enable(params, vars, 0);
6702 bnx2x_set_led(params, vars,
6703 LED_MODE_OPER, vars->line_speed);
6705 if ((vars->eee_status & SHMEM_EEE_ACTIVE_BIT) &&
6706 (vars->eee_status & SHMEM_EEE_LPI_REQUESTED_BIT)) {
6707 DP(NETIF_MSG_LINK, "Enabling LPI assertion\n");
6708 REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 +
6709 (params->port << 2), 1);
6710 REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 1);
6711 REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 +
6712 (params->port << 2), 0xfc20);
6715 if ((CHIP_IS_E1x(bp) ||
6718 if (bnx2x_bmac_enable(params, vars, 0, 1) ==
6720 DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
6722 vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
6723 vars->link_status &= ~LINK_STATUS_LINK_UP;
6726 bnx2x_set_led(params, vars,
6727 LED_MODE_OPER, SPEED_10000);
6729 rc = bnx2x_emac_program(params, vars);
6730 bnx2x_emac_enable(params, vars, 0);
6733 if ((vars->link_status &
6734 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
6735 && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
6736 SINGLE_MEDIA_DIRECT(params))
6737 bnx2x_set_gmii_tx_driver(params);
6742 if (CHIP_IS_E1x(bp))
6743 rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
6747 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
6749 /* Update shared memory */
6750 bnx2x_update_mng(params, vars->link_status);
6751 bnx2x_update_mng_eee(params, vars->eee_status);
6752 /* Check remote fault */
6753 for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
6754 if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
6755 bnx2x_check_half_open_conn(params, vars, 0);
6762 /* The bnx2x_link_update function should be called upon link
6764 * Link is considered up as follows:
6765 * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
6767 * - SINGLE_MEDIA - The link between the 577xx and the external
6768 * phy (XGXS) need to up as well as the external link of the
6770 * - DUAL_MEDIA - The link between the 577xx and the first
6771 * external phy needs to be up, and at least one of the 2
6772 * external phy link must be up.
6774 int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
6776 struct bnx2x *bp = params->bp;
6777 struct link_vars phy_vars[MAX_PHYS];
6778 u8 port = params->port;
6779 u8 link_10g_plus, phy_index;
6780 u8 ext_phy_link_up = 0, cur_link_up;
6783 u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
6784 u8 active_external_phy = INT_PHY;
6785 vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
6786 vars->link_status &= ~LINK_UPDATE_MASK;
6787 for (phy_index = INT_PHY; phy_index < params->num_phys;
6789 phy_vars[phy_index].flow_ctrl = 0;
6790 phy_vars[phy_index].link_status = 0;
6791 phy_vars[phy_index].line_speed = 0;
6792 phy_vars[phy_index].duplex = DUPLEX_FULL;
6793 phy_vars[phy_index].phy_link_up = 0;
6794 phy_vars[phy_index].link_up = 0;
6795 phy_vars[phy_index].fault_detected = 0;
6796 /* different consideration, since vars holds inner state */
6797 phy_vars[phy_index].eee_status = vars->eee_status;
6800 if (USES_WARPCORE(bp))
6801 bnx2x_set_aer_mmd(params, ¶ms->phy[INT_PHY]);
6803 DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
6804 port, (vars->phy_flags & PHY_XGXS_FLAG),
6805 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
6807 is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
6809 DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
6810 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
6812 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
6814 DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
6815 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
6816 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
6819 if (!CHIP_IS_E3(bp))
6820 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
6823 * Check external link change only for external phys, and apply
6824 * priority selection between them in case the link on both phys
6825 * is up. Note that instead of the common vars, a temporary
6826 * vars argument is used since each phy may have different link/
6827 * speed/duplex result
6829 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6831 struct bnx2x_phy *phy = ¶ms->phy[phy_index];
6832 if (!phy->read_status)
6834 /* Read link status and params of this ext phy */
6835 cur_link_up = phy->read_status(phy, params,
6836 &phy_vars[phy_index]);
6838 DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
6841 DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
6846 if (!ext_phy_link_up) {
6847 ext_phy_link_up = 1;
6848 active_external_phy = phy_index;
6850 switch (bnx2x_phy_selection(params)) {
6851 case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
6852 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
6853 /* In this option, the first PHY makes sure to pass the
6854 * traffic through itself only.
6855 * Its not clear how to reset the link on the second phy
6857 active_external_phy = EXT_PHY1;
6859 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
6860 /* In this option, the first PHY makes sure to pass the
6861 * traffic through the second PHY.
6863 active_external_phy = EXT_PHY2;
6866 /* Link indication on both PHYs with the following cases
6868 * - FIRST_PHY means that second phy wasn't initialized,
6869 * hence its link is expected to be down
6870 * - SECOND_PHY means that first phy should not be able
6871 * to link up by itself (using configuration)
6872 * - DEFAULT should be overriden during initialiazation
6874 DP(NETIF_MSG_LINK, "Invalid link indication"
6875 "mpc=0x%x. DISABLING LINK !!!\n",
6876 params->multi_phy_config);
6877 ext_phy_link_up = 0;
6882 prev_line_speed = vars->line_speed;
6884 * Read the status of the internal phy. In case of
6885 * DIRECT_SINGLE_MEDIA board, this link is the external link,
6886 * otherwise this is the link between the 577xx and the first
6889 if (params->phy[INT_PHY].read_status)
6890 params->phy[INT_PHY].read_status(
6891 ¶ms->phy[INT_PHY],
6893 /* The INT_PHY flow control reside in the vars. This include the
6894 * case where the speed or flow control are not set to AUTO.
6895 * Otherwise, the active external phy flow control result is set
6896 * to the vars. The ext_phy_line_speed is needed to check if the
6897 * speed is different between the internal phy and external phy.
6898 * This case may be result of intermediate link speed change.
6900 if (active_external_phy > INT_PHY) {
6901 vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
6902 /* Link speed is taken from the XGXS. AN and FC result from
6905 vars->link_status |= phy_vars[active_external_phy].link_status;
6907 /* if active_external_phy is first PHY and link is up - disable
6908 * disable TX on second external PHY
6910 if (active_external_phy == EXT_PHY1) {
6911 if (params->phy[EXT_PHY2].phy_specific_func) {
6913 "Disabling TX on EXT_PHY2\n");
6914 params->phy[EXT_PHY2].phy_specific_func(
6915 ¶ms->phy[EXT_PHY2],
6916 params, DISABLE_TX);
6920 ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
6921 vars->duplex = phy_vars[active_external_phy].duplex;
6922 if (params->phy[active_external_phy].supported &
6924 vars->link_status |= LINK_STATUS_SERDES_LINK;
6926 vars->link_status &= ~LINK_STATUS_SERDES_LINK;
6928 vars->eee_status = phy_vars[active_external_phy].eee_status;
6930 DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
6931 active_external_phy);
6934 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6936 if (params->phy[phy_index].flags &
6937 FLAGS_REARM_LATCH_SIGNAL) {
6938 bnx2x_rearm_latch_signal(bp, port,
6940 active_external_phy);
6944 DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
6945 " ext_phy_line_speed = %d\n", vars->flow_ctrl,
6946 vars->link_status, ext_phy_line_speed);
6947 /* Upon link speed change set the NIG into drain mode. Comes to
6948 * deals with possible FIFO glitch due to clk change when speed
6949 * is decreased without link down indicator
6952 if (vars->phy_link_up) {
6953 if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
6954 (ext_phy_line_speed != vars->line_speed)) {
6955 DP(NETIF_MSG_LINK, "Internal link speed %d is"
6956 " different than the external"
6957 " link speed %d\n", vars->line_speed,
6958 ext_phy_line_speed);
6959 vars->phy_link_up = 0;
6960 } else if (prev_line_speed != vars->line_speed) {
6961 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
6963 usleep_range(1000, 2000);
6967 /* Anything 10 and over uses the bmac */
6968 link_10g_plus = (vars->line_speed >= SPEED_10000);
6970 bnx2x_link_int_ack(params, vars, link_10g_plus);
6972 /* In case external phy link is up, and internal link is down
6973 * (not initialized yet probably after link initialization, it
6974 * needs to be initialized.
6975 * Note that after link down-up as result of cable plug, the xgxs
6976 * link would probably become up again without the need
6979 if (!(SINGLE_MEDIA_DIRECT(params))) {
6980 DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
6981 " init_preceding = %d\n", ext_phy_link_up,
6983 params->phy[EXT_PHY1].flags &
6984 FLAGS_INIT_XGXS_FIRST);
6985 if (!(params->phy[EXT_PHY1].flags &
6986 FLAGS_INIT_XGXS_FIRST)
6987 && ext_phy_link_up && !vars->phy_link_up) {
6988 vars->line_speed = ext_phy_line_speed;
6989 if (vars->line_speed < SPEED_1000)
6990 vars->phy_flags |= PHY_SGMII_FLAG;
6992 vars->phy_flags &= ~PHY_SGMII_FLAG;
6994 if (params->phy[INT_PHY].config_init)
6995 params->phy[INT_PHY].config_init(
6996 ¶ms->phy[INT_PHY], params,
7000 /* Link is up only if both local phy and external phy (in case of
7001 * non-direct board) are up and no fault detected on active PHY.
7003 vars->link_up = (vars->phy_link_up &&
7005 SINGLE_MEDIA_DIRECT(params)) &&
7006 (phy_vars[active_external_phy].fault_detected == 0));
7008 /* Update the PFC configuration in case it was changed */
7009 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
7010 vars->link_status |= LINK_STATUS_PFC_ENABLED;
7012 vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
7015 rc = bnx2x_update_link_up(params, vars, link_10g_plus);
7017 rc = bnx2x_update_link_down(params, vars);
7019 /* Update MCP link status was changed */
7020 if (params->feature_config_flags & FEATURE_CONFIG_BC_SUPPORTS_AFEX)
7021 bnx2x_fw_command(bp, DRV_MSG_CODE_LINK_STATUS_CHANGED, 0);
7026 /*****************************************************************************/
7027 /* External Phy section */
7028 /*****************************************************************************/
7029 void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
7031 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
7032 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
7033 usleep_range(1000, 2000);
7034 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
7035 MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
7038 static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
7039 u32 spirom_ver, u32 ver_addr)
7041 DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
7042 (u16)(spirom_ver>>16), (u16)spirom_ver, port);
7045 REG_WR(bp, ver_addr, spirom_ver);
7048 static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
7049 struct bnx2x_phy *phy,
7052 u16 fw_ver1, fw_ver2;
7054 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
7055 MDIO_PMA_REG_ROM_VER1, &fw_ver1);
7056 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
7057 MDIO_PMA_REG_ROM_VER2, &fw_ver2);
7058 bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
7062 static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
7063 struct bnx2x_phy *phy,
7064 struct link_vars *vars)
7067 bnx2x_cl45_read(bp, phy,
7069 MDIO_AN_REG_STATUS, &val);
7070 bnx2x_cl45_read(bp, phy,
7072 MDIO_AN_REG_STATUS, &val);
7074 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
7075 if ((val & (1<<0)) == 0)
7076 vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
7079 /******************************************************************/
7080 /* common BCM8073/BCM8727 PHY SECTION */
7081 /******************************************************************/
7082 static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
7083 struct link_params *params,
7084 struct link_vars *vars)
7086 struct bnx2x *bp = params->bp;
7087 if (phy->req_line_speed == SPEED_10 ||
7088 phy->req_line_speed == SPEED_100) {
7089 vars->flow_ctrl = phy->req_flow_ctrl;
7093 if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
7094 (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
7096 u16 ld_pause; /* local */
7097 u16 lp_pause; /* link partner */
7098 bnx2x_cl45_read(bp, phy,
7100 MDIO_AN_REG_CL37_FC_LD, &ld_pause);
7102 bnx2x_cl45_read(bp, phy,
7104 MDIO_AN_REG_CL37_FC_LP, &lp_pause);
7105 pause_result = (ld_pause &
7106 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
7107 pause_result |= (lp_pause &
7108 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
7110 bnx2x_pause_resolve(vars, pause_result);
7111 DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
7115 static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
7116 struct bnx2x_phy *phy,
7120 u16 fw_ver1, fw_msgout;
7123 /* Boot port from external ROM */
7125 bnx2x_cl45_write(bp, phy,
7127 MDIO_PMA_REG_GEN_CTRL,
7130 /* Ucode reboot and rst */
7131 bnx2x_cl45_write(bp, phy,
7133 MDIO_PMA_REG_GEN_CTRL,
7136 bnx2x_cl45_write(bp, phy,
7138 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
7140 /* Reset internal microprocessor */
7141 bnx2x_cl45_write(bp, phy,
7143 MDIO_PMA_REG_GEN_CTRL,
7144 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
7146 /* Release srst bit */
7147 bnx2x_cl45_write(bp, phy,
7149 MDIO_PMA_REG_GEN_CTRL,
7150 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
7152 /* Delay 100ms per the PHY specifications */
7155 /* 8073 sometimes taking longer to download */
7160 "bnx2x_8073_8727_external_rom_boot port %x:"
7161 "Download failed. fw version = 0x%x\n",
7167 bnx2x_cl45_read(bp, phy,
7169 MDIO_PMA_REG_ROM_VER1, &fw_ver1);
7170 bnx2x_cl45_read(bp, phy,
7172 MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
7174 usleep_range(1000, 2000);
7175 } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
7176 ((fw_msgout & 0xff) != 0x03 && (phy->type ==
7177 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
7179 /* Clear ser_boot_ctl bit */
7180 bnx2x_cl45_write(bp, phy,
7182 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
7183 bnx2x_save_bcm_spirom_ver(bp, phy, port);
7186 "bnx2x_8073_8727_external_rom_boot port %x:"
7187 "Download complete. fw version = 0x%x\n",
7193 /******************************************************************/
7194 /* BCM8073 PHY SECTION */
7195 /******************************************************************/
7196 static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
7198 /* This is only required for 8073A1, version 102 only */
7201 /* Read 8073 HW revision*/
7202 bnx2x_cl45_read(bp, phy,
7204 MDIO_PMA_REG_8073_CHIP_REV, &val);
7207 /* No need to workaround in 8073 A1 */
7211 bnx2x_cl45_read(bp, phy,
7213 MDIO_PMA_REG_ROM_VER2, &val);
7215 /* SNR should be applied only for version 0x102 */
7222 static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
7224 u16 val, cnt, cnt1 ;
7226 bnx2x_cl45_read(bp, phy,
7228 MDIO_PMA_REG_8073_CHIP_REV, &val);
7231 /* No need to workaround in 8073 A1 */
7234 /* XAUI workaround in 8073 A0: */
7236 /* After loading the boot ROM and restarting Autoneg, poll
7240 for (cnt = 0; cnt < 1000; cnt++) {
7241 bnx2x_cl45_read(bp, phy,
7243 MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
7245 /* If bit [14] = 0 or bit [13] = 0, continue on with
7246 * system initialization (XAUI work-around not required, as
7247 * these bits indicate 2.5G or 1G link up).
7249 if (!(val & (1<<14)) || !(val & (1<<13))) {
7250 DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
7252 } else if (!(val & (1<<15))) {
7253 DP(NETIF_MSG_LINK, "bit 15 went off\n");
7254 /* If bit 15 is 0, then poll Dev1, Reg $C841 until it's
7255 * MSB (bit15) goes to 1 (indicating that the XAUI
7256 * workaround has completed), then continue on with
7257 * system initialization.
7259 for (cnt1 = 0; cnt1 < 1000; cnt1++) {
7260 bnx2x_cl45_read(bp, phy,
7262 MDIO_PMA_REG_8073_XAUI_WA, &val);
7263 if (val & (1<<15)) {
7265 "XAUI workaround has completed\n");
7268 usleep_range(3000, 6000);
7272 usleep_range(3000, 6000);
7274 DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
7278 static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
7280 /* Force KR or KX */
7281 bnx2x_cl45_write(bp, phy,
7282 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
7283 bnx2x_cl45_write(bp, phy,
7284 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
7285 bnx2x_cl45_write(bp, phy,
7286 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
7287 bnx2x_cl45_write(bp, phy,
7288 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
7291 static void bnx2x_8073_set_pause_cl37(struct link_params *params,
7292 struct bnx2x_phy *phy,
7293 struct link_vars *vars)
7296 struct bnx2x *bp = params->bp;
7297 bnx2x_cl45_read(bp, phy,
7298 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
7300 cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
7301 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
7302 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
7303 if ((vars->ieee_fc &
7304 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
7305 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
7306 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
7308 if ((vars->ieee_fc &
7309 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
7310 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
7311 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
7313 if ((vars->ieee_fc &
7314 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
7315 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
7316 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
7319 "Ext phy AN advertize cl37 0x%x\n", cl37_val);
7321 bnx2x_cl45_write(bp, phy,
7322 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
7326 static void bnx2x_8073_specific_func(struct bnx2x_phy *phy,
7327 struct link_params *params,
7330 struct bnx2x *bp = params->bp;
7334 bnx2x_cl45_write(bp, phy,
7335 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
7336 bnx2x_cl45_write(bp, phy,
7337 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004);
7342 static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
7343 struct link_params *params,
7344 struct link_vars *vars)
7346 struct bnx2x *bp = params->bp;
7349 DP(NETIF_MSG_LINK, "Init 8073\n");
7352 gpio_port = BP_PATH(bp);
7354 gpio_port = params->port;
7355 /* Restore normal power mode*/
7356 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
7357 MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
7359 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
7360 MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
7362 bnx2x_8073_specific_func(phy, params, PHY_INIT);
7363 bnx2x_8073_set_pause_cl37(params, phy, vars);
7365 bnx2x_cl45_read(bp, phy,
7366 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
7368 bnx2x_cl45_read(bp, phy,
7369 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
7371 DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
7373 /* Swap polarity if required - Must be done only in non-1G mode */
7374 if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
7375 /* Configure the 8073 to swap _P and _N of the KR lines */
7376 DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
7377 /* 10G Rx/Tx and 1G Tx signal polarity swap */
7378 bnx2x_cl45_read(bp, phy,
7380 MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
7381 bnx2x_cl45_write(bp, phy,
7383 MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
7388 /* Enable CL37 BAM */
7389 if (REG_RD(bp, params->shmem_base +
7390 offsetof(struct shmem_region, dev_info.
7391 port_hw_config[params->port].default_cfg)) &
7392 PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
7394 bnx2x_cl45_read(bp, phy,
7396 MDIO_AN_REG_8073_BAM, &val);
7397 bnx2x_cl45_write(bp, phy,
7399 MDIO_AN_REG_8073_BAM, val | 1);
7400 DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
7402 if (params->loopback_mode == LOOPBACK_EXT) {
7403 bnx2x_807x_force_10G(bp, phy);
7404 DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
7407 bnx2x_cl45_write(bp, phy,
7408 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
7410 if (phy->req_line_speed != SPEED_AUTO_NEG) {
7411 if (phy->req_line_speed == SPEED_10000) {
7413 } else if (phy->req_line_speed == SPEED_2500) {
7415 /* Note that 2.5G works only when used with 1G
7422 if (phy->speed_cap_mask &
7423 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
7426 /* Note that 2.5G works only when used with 1G advertisement */
7427 if (phy->speed_cap_mask &
7428 (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
7429 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
7431 DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
7434 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
7435 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
7437 if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
7438 (phy->req_line_speed == SPEED_AUTO_NEG)) ||
7439 (phy->req_line_speed == SPEED_2500)) {
7441 /* Allow 2.5G for A1 and above */
7442 bnx2x_cl45_read(bp, phy,
7443 MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
7445 DP(NETIF_MSG_LINK, "Add 2.5G\n");
7451 DP(NETIF_MSG_LINK, "Disable 2.5G\n");
7455 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
7456 /* Add support for CL37 (passive mode) II */
7458 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
7459 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
7460 (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
7463 /* Add support for CL37 (passive mode) III */
7464 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
7466 /* The SNR will improve about 2db by changing BW and FEE main
7467 * tap. Rest commands are executed after link is up
7468 * Change FFE main cursor to 5 in EDC register
7470 if (bnx2x_8073_is_snr_needed(bp, phy))
7471 bnx2x_cl45_write(bp, phy,
7472 MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
7475 /* Enable FEC (Forware Error Correction) Request in the AN */
7476 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
7478 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
7480 bnx2x_ext_phy_set_pause(params, phy, vars);
7482 /* Restart autoneg */
7484 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
7485 DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
7486 ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
7490 static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
7491 struct link_params *params,
7492 struct link_vars *vars)
7494 struct bnx2x *bp = params->bp;
7497 u16 link_status = 0;
7498 u16 an1000_status = 0;
7500 bnx2x_cl45_read(bp, phy,
7501 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
7503 DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
7505 /* Clear the interrupt LASI status register */
7506 bnx2x_cl45_read(bp, phy,
7507 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
7508 bnx2x_cl45_read(bp, phy,
7509 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
7510 DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
7512 bnx2x_cl45_read(bp, phy,
7513 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
7515 /* Check the LASI */
7516 bnx2x_cl45_read(bp, phy,
7517 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
7519 DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
7521 /* Check the link status */
7522 bnx2x_cl45_read(bp, phy,
7523 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
7524 DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
7526 bnx2x_cl45_read(bp, phy,
7527 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
7528 bnx2x_cl45_read(bp, phy,
7529 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
7530 link_up = ((val1 & 4) == 4);
7531 DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
7534 ((phy->req_line_speed != SPEED_10000))) {
7535 if (bnx2x_8073_xaui_wa(bp, phy) != 0)
7538 bnx2x_cl45_read(bp, phy,
7539 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
7540 bnx2x_cl45_read(bp, phy,
7541 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
7543 /* Check the link status on 1.1.2 */
7544 bnx2x_cl45_read(bp, phy,
7545 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
7546 bnx2x_cl45_read(bp, phy,
7547 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
7548 DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
7549 "an_link_status=0x%x\n", val2, val1, an1000_status);
7551 link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
7552 if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
7553 /* The SNR will improve about 2dbby changing the BW and FEE main
7554 * tap. The 1st write to change FFE main tap is set before
7555 * restart AN. Change PLL Bandwidth in EDC register
7557 bnx2x_cl45_write(bp, phy,
7558 MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
7561 /* Change CDR Bandwidth in EDC register */
7562 bnx2x_cl45_write(bp, phy,
7563 MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
7566 bnx2x_cl45_read(bp, phy,
7567 MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
7570 /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
7571 if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
7573 vars->line_speed = SPEED_10000;
7574 DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
7576 } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
7578 vars->line_speed = SPEED_2500;
7579 DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
7581 } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
7583 vars->line_speed = SPEED_1000;
7584 DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
7588 DP(NETIF_MSG_LINK, "port %x: External link is down\n",
7593 /* Swap polarity if required */
7594 if (params->lane_config &
7595 PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
7596 /* Configure the 8073 to swap P and N of the KR lines */
7597 bnx2x_cl45_read(bp, phy,
7599 MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
7600 /* Set bit 3 to invert Rx in 1G mode and clear this bit
7601 * when it`s in 10G mode.
7603 if (vars->line_speed == SPEED_1000) {
7604 DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
7610 bnx2x_cl45_write(bp, phy,
7612 MDIO_XS_REG_8073_RX_CTRL_PCIE,
7615 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
7616 bnx2x_8073_resolve_fc(phy, params, vars);
7617 vars->duplex = DUPLEX_FULL;
7620 if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
7621 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
7622 MDIO_AN_REG_LP_AUTO_NEG2, &val1);
7625 vars->link_status |=
7626 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
7628 vars->link_status |=
7629 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
7635 static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
7636 struct link_params *params)
7638 struct bnx2x *bp = params->bp;
7641 gpio_port = BP_PATH(bp);
7643 gpio_port = params->port;
7644 DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
7646 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
7647 MISC_REGISTERS_GPIO_OUTPUT_LOW,
7651 /******************************************************************/
7652 /* BCM8705 PHY SECTION */
7653 /******************************************************************/
7654 static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
7655 struct link_params *params,
7656 struct link_vars *vars)
7658 struct bnx2x *bp = params->bp;
7659 DP(NETIF_MSG_LINK, "init 8705\n");
7660 /* Restore normal power mode*/
7661 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
7662 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
7664 bnx2x_ext_phy_hw_reset(bp, params->port);
7665 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
7666 bnx2x_wait_reset_complete(bp, phy, params);
7668 bnx2x_cl45_write(bp, phy,
7669 MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
7670 bnx2x_cl45_write(bp, phy,
7671 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
7672 bnx2x_cl45_write(bp, phy,
7673 MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
7674 bnx2x_cl45_write(bp, phy,
7675 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
7676 /* BCM8705 doesn't have microcode, hence the 0 */
7677 bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
7681 static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
7682 struct link_params *params,
7683 struct link_vars *vars)
7687 struct bnx2x *bp = params->bp;
7688 DP(NETIF_MSG_LINK, "read status 8705\n");
7689 bnx2x_cl45_read(bp, phy,
7690 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
7691 DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
7693 bnx2x_cl45_read(bp, phy,
7694 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
7695 DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
7697 bnx2x_cl45_read(bp, phy,
7698 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
7700 bnx2x_cl45_read(bp, phy,
7701 MDIO_PMA_DEVAD, 0xc809, &val1);
7702 bnx2x_cl45_read(bp, phy,
7703 MDIO_PMA_DEVAD, 0xc809, &val1);
7705 DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
7706 link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
7708 vars->line_speed = SPEED_10000;
7709 bnx2x_ext_phy_resolve_fc(phy, params, vars);
7714 /******************************************************************/
7715 /* SFP+ module Section */
7716 /******************************************************************/
7717 static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
7718 struct bnx2x_phy *phy,
7721 struct bnx2x *bp = params->bp;
7722 /* Disable transmitter only for bootcodes which can enable it afterwards
7726 if (params->feature_config_flags &
7727 FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
7728 DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
7730 DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
7734 DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
7735 bnx2x_cl45_write(bp, phy,
7737 MDIO_PMA_REG_TX_DISABLE, pmd_dis);
7740 static u8 bnx2x_get_gpio_port(struct link_params *params)
7743 u32 swap_val, swap_override;
7744 struct bnx2x *bp = params->bp;
7746 gpio_port = BP_PATH(bp);
7748 gpio_port = params->port;
7749 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
7750 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
7751 return gpio_port ^ (swap_val && swap_override);
7754 static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
7755 struct bnx2x_phy *phy,
7759 u8 port = params->port;
7760 struct bnx2x *bp = params->bp;
7763 /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
7764 tx_en_mode = REG_RD(bp, params->shmem_base +
7765 offsetof(struct shmem_region,
7766 dev_info.port_hw_config[port].sfp_ctrl)) &
7767 PORT_HW_CFG_TX_LASER_MASK;
7768 DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
7769 "mode = %x\n", tx_en, port, tx_en_mode);
7770 switch (tx_en_mode) {
7771 case PORT_HW_CFG_TX_LASER_MDIO:
7773 bnx2x_cl45_read(bp, phy,
7775 MDIO_PMA_REG_PHY_IDENTIFIER,
7783 bnx2x_cl45_write(bp, phy,
7785 MDIO_PMA_REG_PHY_IDENTIFIER,
7788 case PORT_HW_CFG_TX_LASER_GPIO0:
7789 case PORT_HW_CFG_TX_LASER_GPIO1:
7790 case PORT_HW_CFG_TX_LASER_GPIO2:
7791 case PORT_HW_CFG_TX_LASER_GPIO3:
7794 u8 gpio_port, gpio_mode;
7796 gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
7798 gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
7800 gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
7801 gpio_port = bnx2x_get_gpio_port(params);
7802 bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
7806 DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
7811 static void bnx2x_sfp_set_transmitter(struct link_params *params,
7812 struct bnx2x_phy *phy,
7815 struct bnx2x *bp = params->bp;
7816 DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
7818 bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
7820 bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
7823 static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7824 struct link_params *params,
7825 u8 dev_addr, u16 addr, u8 byte_cnt,
7826 u8 *o_buf, u8 is_init)
7828 struct bnx2x *bp = params->bp;
7831 if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
7833 "Reading from eeprom is limited to 0xf\n");
7836 /* Set the read command byte count */
7837 bnx2x_cl45_write(bp, phy,
7838 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
7839 (byte_cnt | (dev_addr << 8)));
7841 /* Set the read command address */
7842 bnx2x_cl45_write(bp, phy,
7843 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
7846 /* Activate read command */
7847 bnx2x_cl45_write(bp, phy,
7848 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
7851 /* Wait up to 500us for command complete status */
7852 for (i = 0; i < 100; i++) {
7853 bnx2x_cl45_read(bp, phy,
7855 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
7856 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7857 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
7862 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
7863 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
7865 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
7866 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
7870 /* Read the buffer */
7871 for (i = 0; i < byte_cnt; i++) {
7872 bnx2x_cl45_read(bp, phy,
7874 MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
7875 o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
7878 for (i = 0; i < 100; i++) {
7879 bnx2x_cl45_read(bp, phy,
7881 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
7882 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7883 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
7885 usleep_range(1000, 2000);
7890 static void bnx2x_warpcore_power_module(struct link_params *params,
7894 struct bnx2x *bp = params->bp;
7896 pin_cfg = (REG_RD(bp, params->shmem_base +
7897 offsetof(struct shmem_region,
7898 dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
7899 PORT_HW_CFG_E3_PWR_DIS_MASK) >>
7900 PORT_HW_CFG_E3_PWR_DIS_SHIFT;
7902 if (pin_cfg == PIN_CFG_NA)
7904 DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
7906 /* Low ==> corresponding SFP+ module is powered
7907 * high ==> the SFP+ module is powered down
7909 bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
7911 static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7912 struct link_params *params,
7914 u16 addr, u8 byte_cnt,
7915 u8 *o_buf, u8 is_init)
7918 u8 i, j = 0, cnt = 0;
7921 struct bnx2x *bp = params->bp;
7923 if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
7925 "Reading from eeprom is limited to 16 bytes\n");
7929 /* 4 byte aligned address */
7930 addr32 = addr & (~0x3);
7932 if ((!is_init) && (cnt == I2C_WA_PWR_ITER)) {
7933 bnx2x_warpcore_power_module(params, 0);
7934 /* Note that 100us are not enough here */
7935 usleep_range(1000, 2000);
7936 bnx2x_warpcore_power_module(params, 1);
7938 rc = bnx2x_bsc_read(params, bp, dev_addr, addr32, 0, byte_cnt,
7940 } while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
7943 for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
7944 o_buf[j] = *((u8 *)data_array + i);
7952 static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7953 struct link_params *params,
7954 u8 dev_addr, u16 addr, u8 byte_cnt,
7955 u8 *o_buf, u8 is_init)
7957 struct bnx2x *bp = params->bp;
7960 if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
7962 "Reading from eeprom is limited to 0xf\n");
7966 /* Set 2-wire transfer rate of SFP+ module EEPROM
7967 * to 100Khz since some DACs(direct attached cables) do
7968 * not work at 400Khz.
7970 bnx2x_cl45_write(bp, phy,
7972 MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
7973 ((dev_addr << 8) | 1));
7975 /* Need to read from 1.8000 to clear it */
7976 bnx2x_cl45_read(bp, phy,
7978 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
7981 /* Set the read command byte count */
7982 bnx2x_cl45_write(bp, phy,
7984 MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
7985 ((byte_cnt < 2) ? 2 : byte_cnt));
7987 /* Set the read command address */
7988 bnx2x_cl45_write(bp, phy,
7990 MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
7992 /* Set the destination address */
7993 bnx2x_cl45_write(bp, phy,
7996 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
7998 /* Activate read command */
7999 bnx2x_cl45_write(bp, phy,
8001 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
8003 /* Wait appropriate time for two-wire command to finish before
8004 * polling the status register
8006 usleep_range(1000, 2000);
8008 /* Wait up to 500us for command complete status */
8009 for (i = 0; i < 100; i++) {
8010 bnx2x_cl45_read(bp, phy,
8012 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
8013 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
8014 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
8019 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
8020 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
8022 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
8023 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
8027 /* Read the buffer */
8028 for (i = 0; i < byte_cnt; i++) {
8029 bnx2x_cl45_read(bp, phy,
8031 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
8032 o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
8035 for (i = 0; i < 100; i++) {
8036 bnx2x_cl45_read(bp, phy,
8038 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
8039 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
8040 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
8042 usleep_range(1000, 2000);
8047 int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
8048 struct link_params *params, u8 dev_addr,
8049 u16 addr, u16 byte_cnt, u8 *o_buf)
8052 struct bnx2x *bp = params->bp;
8054 u8 *user_data = o_buf;
8055 read_sfp_module_eeprom_func_p read_func;
8057 if ((dev_addr != 0xa0) && (dev_addr != 0xa2)) {
8058 DP(NETIF_MSG_LINK, "invalid dev_addr 0x%x\n", dev_addr);
8062 switch (phy->type) {
8063 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
8064 read_func = bnx2x_8726_read_sfp_module_eeprom;
8066 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
8067 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
8068 read_func = bnx2x_8727_read_sfp_module_eeprom;
8070 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
8071 read_func = bnx2x_warpcore_read_sfp_module_eeprom;
8077 while (!rc && (byte_cnt > 0)) {
8078 xfer_size = (byte_cnt > SFP_EEPROM_PAGE_SIZE) ?
8079 SFP_EEPROM_PAGE_SIZE : byte_cnt;
8080 rc = read_func(phy, params, dev_addr, addr, xfer_size,
8082 byte_cnt -= xfer_size;
8083 user_data += xfer_size;
8089 static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
8090 struct link_params *params,
8093 struct bnx2x *bp = params->bp;
8094 u32 sync_offset = 0, phy_idx, media_types;
8095 u8 gport, val[2], check_limiting_mode = 0;
8096 *edc_mode = EDC_MODE_LIMITING;
8097 phy->media_type = ETH_PHY_UNSPECIFIED;
8098 /* First check for copper cable */
8099 if (bnx2x_read_sfp_module_eeprom(phy,
8102 SFP_EEPROM_CON_TYPE_ADDR,
8105 DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
8110 case SFP_EEPROM_CON_TYPE_VAL_COPPER:
8112 u8 copper_module_type;
8113 phy->media_type = ETH_PHY_DA_TWINAX;
8114 /* Check if its active cable (includes SFP+ module)
8117 if (bnx2x_read_sfp_module_eeprom(phy,
8120 SFP_EEPROM_FC_TX_TECH_ADDR,
8122 &copper_module_type) != 0) {
8124 "Failed to read copper-cable-type"
8125 " from SFP+ EEPROM\n");
8129 if (copper_module_type &
8130 SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
8131 DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
8132 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
8133 *edc_mode = EDC_MODE_ACTIVE_DAC;
8135 check_limiting_mode = 1;
8137 *edc_mode = EDC_MODE_PASSIVE_DAC;
8138 /* Even in case PASSIVE_DAC indication is not set,
8139 * treat it as a passive DAC cable, since some cables
8140 * don't have this indication.
8142 if (copper_module_type &
8143 SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
8145 "Passive Copper cable detected\n");
8148 "Unknown copper-cable-type\n");
8153 case SFP_EEPROM_CON_TYPE_VAL_LC:
8154 case SFP_EEPROM_CON_TYPE_VAL_RJ45:
8155 check_limiting_mode = 1;
8156 if ((val[1] & (SFP_EEPROM_COMP_CODE_SR_MASK |
8157 SFP_EEPROM_COMP_CODE_LR_MASK |
8158 SFP_EEPROM_COMP_CODE_LRM_MASK)) == 0) {
8159 DP(NETIF_MSG_LINK, "1G SFP module detected\n");
8160 gport = params->port;
8161 phy->media_type = ETH_PHY_SFP_1G_FIBER;
8162 if (phy->req_line_speed != SPEED_1000) {
8163 phy->req_line_speed = SPEED_1000;
8164 if (!CHIP_IS_E1x(bp)) {
8165 gport = BP_PATH(bp) +
8166 (params->port << 1);
8169 "Warning: Link speed was forced to 1000Mbps. Current SFP module in port %d is not compliant with 10G Ethernet\n",
8173 int idx, cfg_idx = 0;
8174 DP(NETIF_MSG_LINK, "10G Optic module detected\n");
8175 for (idx = INT_PHY; idx < MAX_PHYS; idx++) {
8176 if (params->phy[idx].type == phy->type) {
8177 cfg_idx = LINK_CONFIG_IDX(idx);
8181 phy->media_type = ETH_PHY_SFPP_10G_FIBER;
8182 phy->req_line_speed = params->req_line_speed[cfg_idx];
8186 DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
8190 sync_offset = params->shmem_base +
8191 offsetof(struct shmem_region,
8192 dev_info.port_hw_config[params->port].media_type);
8193 media_types = REG_RD(bp, sync_offset);
8194 /* Update media type for non-PMF sync */
8195 for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
8196 if (&(params->phy[phy_idx]) == phy) {
8197 media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
8198 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
8199 media_types |= ((phy->media_type &
8200 PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
8201 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
8205 REG_WR(bp, sync_offset, media_types);
8206 if (check_limiting_mode) {
8207 u8 options[SFP_EEPROM_OPTIONS_SIZE];
8208 if (bnx2x_read_sfp_module_eeprom(phy,
8211 SFP_EEPROM_OPTIONS_ADDR,
8212 SFP_EEPROM_OPTIONS_SIZE,
8215 "Failed to read Option field from module EEPROM\n");
8218 if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
8219 *edc_mode = EDC_MODE_LINEAR;
8221 *edc_mode = EDC_MODE_LIMITING;
8223 DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
8226 /* This function read the relevant field from the module (SFP+), and verify it
8227 * is compliant with this board
8229 static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
8230 struct link_params *params)
8232 struct bnx2x *bp = params->bp;
8234 u32 fw_resp, fw_cmd_param;
8235 char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
8236 char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
8237 phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
8238 val = REG_RD(bp, params->shmem_base +
8239 offsetof(struct shmem_region, dev_info.
8240 port_feature_config[params->port].config));
8241 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8242 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
8243 DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
8247 if (params->feature_config_flags &
8248 FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
8249 /* Use specific phy request */
8250 cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
8251 } else if (params->feature_config_flags &
8252 FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
8253 /* Use first phy request only in case of non-dual media*/
8254 if (DUAL_MEDIA(params)) {
8256 "FW does not support OPT MDL verification\n");
8259 cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
8261 /* No support in OPT MDL detection */
8263 "FW does not support OPT MDL verification\n");
8267 fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
8268 fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
8269 if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
8270 DP(NETIF_MSG_LINK, "Approved module\n");
8274 /* Format the warning message */
8275 if (bnx2x_read_sfp_module_eeprom(phy,
8278 SFP_EEPROM_VENDOR_NAME_ADDR,
8279 SFP_EEPROM_VENDOR_NAME_SIZE,
8281 vendor_name[0] = '\0';
8283 vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
8284 if (bnx2x_read_sfp_module_eeprom(phy,
8287 SFP_EEPROM_PART_NO_ADDR,
8288 SFP_EEPROM_PART_NO_SIZE,
8290 vendor_pn[0] = '\0';
8292 vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
8294 netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
8295 " Port %d from %s part number %s\n",
8296 params->port, vendor_name, vendor_pn);
8297 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
8298 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_WARNING_MSG)
8299 phy->flags |= FLAGS_SFP_NOT_APPROVED;
8303 static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
8304 struct link_params *params)
8309 struct bnx2x *bp = params->bp;
8311 /* Initialization time after hot-plug may take up to 300ms for
8312 * some phys type ( e.g. JDSU )
8315 for (timeout = 0; timeout < 60; timeout++) {
8316 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
8317 rc = bnx2x_warpcore_read_sfp_module_eeprom(
8318 phy, params, I2C_DEV_ADDR_A0, 1, 1, &val,
8321 rc = bnx2x_read_sfp_module_eeprom(phy, params,
8326 "SFP+ module initialization took %d ms\n",
8330 usleep_range(5000, 10000);
8332 rc = bnx2x_read_sfp_module_eeprom(phy, params, I2C_DEV_ADDR_A0,
8337 static void bnx2x_8727_power_module(struct bnx2x *bp,
8338 struct bnx2x_phy *phy,
8340 /* Make sure GPIOs are not using for LED mode */
8342 /* In the GPIO register, bit 4 is use to determine if the GPIOs are
8343 * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
8345 * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
8346 * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
8347 * where the 1st bit is the over-current(only input), and 2nd bit is
8348 * for power( only output )
8350 * In case of NOC feature is disabled and power is up, set GPIO control
8351 * as input to enable listening of over-current indication
8353 if (phy->flags & FLAGS_NOC)
8358 /* Set GPIO control to OUTPUT, and set the power bit
8359 * to according to the is_power_up
8363 bnx2x_cl45_write(bp, phy,
8365 MDIO_PMA_REG_8727_GPIO_CTRL,
8369 static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
8370 struct bnx2x_phy *phy,
8373 u16 cur_limiting_mode;
8375 bnx2x_cl45_read(bp, phy,
8377 MDIO_PMA_REG_ROM_VER2,
8378 &cur_limiting_mode);
8379 DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
8382 if (edc_mode == EDC_MODE_LIMITING) {
8383 DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
8384 bnx2x_cl45_write(bp, phy,
8386 MDIO_PMA_REG_ROM_VER2,
8388 } else { /* LRM mode ( default )*/
8390 DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
8392 /* Changing to LRM mode takes quite few seconds. So do it only
8393 * if current mode is limiting (default is LRM)
8395 if (cur_limiting_mode != EDC_MODE_LIMITING)
8398 bnx2x_cl45_write(bp, phy,
8400 MDIO_PMA_REG_LRM_MODE,
8402 bnx2x_cl45_write(bp, phy,
8404 MDIO_PMA_REG_ROM_VER2,
8406 bnx2x_cl45_write(bp, phy,
8408 MDIO_PMA_REG_MISC_CTRL0,
8410 bnx2x_cl45_write(bp, phy,
8412 MDIO_PMA_REG_LRM_MODE,
8418 static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
8419 struct bnx2x_phy *phy,
8424 bnx2x_cl45_read(bp, phy,
8426 MDIO_PMA_REG_PHY_IDENTIFIER,
8429 bnx2x_cl45_write(bp, phy,
8431 MDIO_PMA_REG_PHY_IDENTIFIER,
8432 (phy_identifier & ~(1<<9)));
8434 bnx2x_cl45_read(bp, phy,
8436 MDIO_PMA_REG_ROM_VER2,
8438 /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
8439 bnx2x_cl45_write(bp, phy,
8441 MDIO_PMA_REG_ROM_VER2,
8442 (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
8444 bnx2x_cl45_write(bp, phy,
8446 MDIO_PMA_REG_PHY_IDENTIFIER,
8447 (phy_identifier | (1<<9)));
8452 static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
8453 struct link_params *params,
8456 struct bnx2x *bp = params->bp;
8460 bnx2x_sfp_set_transmitter(params, phy, 0);
8463 if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
8464 bnx2x_sfp_set_transmitter(params, phy, 1);
8467 bnx2x_cl45_write(bp, phy,
8468 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
8470 bnx2x_cl45_write(bp, phy,
8471 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
8473 bnx2x_cl45_write(bp, phy,
8474 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0006);
8475 /* Make MOD_ABS give interrupt on change */
8476 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
8477 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
8480 if (phy->flags & FLAGS_NOC)
8482 /* Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
8483 * status which reflect SFP+ module over-current
8485 if (!(phy->flags & FLAGS_NOC))
8486 val &= 0xff8f; /* Reset bits 4-6 */
8487 bnx2x_cl45_write(bp, phy,
8488 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
8492 DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
8498 static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
8501 struct bnx2x *bp = params->bp;
8503 u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
8504 offsetof(struct shmem_region,
8505 dev_info.port_hw_config[params->port].sfp_ctrl)) &
8506 PORT_HW_CFG_FAULT_MODULE_LED_MASK;
8507 switch (fault_led_gpio) {
8508 case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
8510 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
8511 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
8512 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
8513 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
8515 u8 gpio_port = bnx2x_get_gpio_port(params);
8516 u16 gpio_pin = fault_led_gpio -
8517 PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
8518 DP(NETIF_MSG_LINK, "Set fault module-detected led "
8519 "pin %x port %x mode %x\n",
8520 gpio_pin, gpio_port, gpio_mode);
8521 bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
8525 DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
8530 static void bnx2x_set_e3_module_fault_led(struct link_params *params,
8534 u8 port = params->port;
8535 struct bnx2x *bp = params->bp;
8536 pin_cfg = (REG_RD(bp, params->shmem_base +
8537 offsetof(struct shmem_region,
8538 dev_info.port_hw_config[port].e3_sfp_ctrl)) &
8539 PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
8540 PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
8541 DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
8542 gpio_mode, pin_cfg);
8543 bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
8546 static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
8549 struct bnx2x *bp = params->bp;
8550 DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
8551 if (CHIP_IS_E3(bp)) {
8552 /* Low ==> if SFP+ module is supported otherwise
8553 * High ==> if SFP+ module is not on the approved vendor list
8555 bnx2x_set_e3_module_fault_led(params, gpio_mode);
8557 bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
8560 static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
8561 struct link_params *params)
8563 struct bnx2x *bp = params->bp;
8564 bnx2x_warpcore_power_module(params, 0);
8565 /* Put Warpcore in low power mode */
8566 REG_WR(bp, MISC_REG_WC0_RESET, 0x0c0e);
8568 /* Put LCPLL in low power mode */
8569 REG_WR(bp, MISC_REG_LCPLL_E40_PWRDWN, 1);
8570 REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_ANA, 0);
8571 REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_DIG, 0);
8574 static void bnx2x_power_sfp_module(struct link_params *params,
8575 struct bnx2x_phy *phy,
8578 struct bnx2x *bp = params->bp;
8579 DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
8581 switch (phy->type) {
8582 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
8583 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
8584 bnx2x_8727_power_module(params->bp, phy, power);
8586 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
8587 bnx2x_warpcore_power_module(params, power);
8593 static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
8594 struct bnx2x_phy *phy,
8598 u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
8599 struct bnx2x *bp = params->bp;
8601 u8 lane = bnx2x_get_warpcore_lane(phy, params);
8602 /* This is a global register which controls all lanes */
8603 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
8604 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
8605 val &= ~(0xf << (lane << 2));
8608 case EDC_MODE_LINEAR:
8609 case EDC_MODE_LIMITING:
8610 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
8612 case EDC_MODE_PASSIVE_DAC:
8613 case EDC_MODE_ACTIVE_DAC:
8614 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
8620 val |= (mode << (lane << 2));
8621 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
8622 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
8624 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
8625 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
8627 /* Restart microcode to re-read the new mode */
8628 bnx2x_warpcore_reset_lane(bp, phy, 1);
8629 bnx2x_warpcore_reset_lane(bp, phy, 0);
8633 static void bnx2x_set_limiting_mode(struct link_params *params,
8634 struct bnx2x_phy *phy,
8637 switch (phy->type) {
8638 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
8639 bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
8641 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
8642 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
8643 bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
8645 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
8646 bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
8651 int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
8652 struct link_params *params)
8654 struct bnx2x *bp = params->bp;
8658 u32 val = REG_RD(bp, params->shmem_base +
8659 offsetof(struct shmem_region, dev_info.
8660 port_feature_config[params->port].config));
8661 /* Enabled transmitter by default */
8662 bnx2x_sfp_set_transmitter(params, phy, 1);
8663 DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
8665 /* Power up module */
8666 bnx2x_power_sfp_module(params, phy, 1);
8667 if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
8668 DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
8670 } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
8671 /* Check SFP+ module compatibility */
8672 DP(NETIF_MSG_LINK, "Module verification failed!!\n");
8674 /* Turn on fault module-detected led */
8675 bnx2x_set_sfp_module_fault_led(params,
8676 MISC_REGISTERS_GPIO_HIGH);
8678 /* Check if need to power down the SFP+ module */
8679 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8680 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
8681 DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
8682 bnx2x_power_sfp_module(params, phy, 0);
8686 /* Turn off fault module-detected led */
8687 bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
8690 /* Check and set limiting mode / LRM mode on 8726. On 8727 it
8691 * is done automatically
8693 bnx2x_set_limiting_mode(params, phy, edc_mode);
8695 /* Disable transmit for this module if the module is not approved, and
8696 * laser needs to be disabled.
8699 ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8700 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER))
8701 bnx2x_sfp_set_transmitter(params, phy, 0);
8706 void bnx2x_handle_module_detect_int(struct link_params *params)
8708 struct bnx2x *bp = params->bp;
8709 struct bnx2x_phy *phy;
8711 u8 gpio_num, gpio_port;
8712 if (CHIP_IS_E3(bp)) {
8713 phy = ¶ms->phy[INT_PHY];
8714 /* Always enable TX laser,will be disabled in case of fault */
8715 bnx2x_sfp_set_transmitter(params, phy, 1);
8717 phy = ¶ms->phy[EXT_PHY1];
8719 if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
8720 params->port, &gpio_num, &gpio_port) ==
8722 DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
8726 /* Set valid module led off */
8727 bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
8729 /* Get current gpio val reflecting module plugged in / out*/
8730 gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
8732 /* Call the handling function in case module is detected */
8733 if (gpio_val == 0) {
8734 bnx2x_set_mdio_emac_per_phy(bp, params);
8735 bnx2x_set_aer_mmd(params, phy);
8737 bnx2x_power_sfp_module(params, phy, 1);
8738 bnx2x_set_gpio_int(bp, gpio_num,
8739 MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
8741 if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0) {
8742 bnx2x_sfp_module_detection(phy, params);
8743 if (CHIP_IS_E3(bp)) {
8745 /* In case WC is out of reset, reconfigure the
8746 * link speed while taking into account 1G
8747 * module limitation.
8749 bnx2x_cl45_read(bp, phy,
8751 MDIO_WC_REG_DIGITAL5_MISC6,
8753 if ((!rx_tx_in_reset) &&
8754 (params->link_flags &
8756 bnx2x_warpcore_reset_lane(bp, phy, 1);
8757 bnx2x_warpcore_config_sfi(phy, params);
8758 bnx2x_warpcore_reset_lane(bp, phy, 0);
8762 DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
8765 bnx2x_set_gpio_int(bp, gpio_num,
8766 MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
8768 /* Module was plugged out.
8769 * Disable transmit for this module
8771 phy->media_type = ETH_PHY_NOT_PRESENT;
8775 /******************************************************************/
8776 /* Used by 8706 and 8727 */
8777 /******************************************************************/
8778 static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
8779 struct bnx2x_phy *phy,
8780 u16 alarm_status_offset,
8781 u16 alarm_ctrl_offset)
8783 u16 alarm_status, val;
8784 bnx2x_cl45_read(bp, phy,
8785 MDIO_PMA_DEVAD, alarm_status_offset,
8787 bnx2x_cl45_read(bp, phy,
8788 MDIO_PMA_DEVAD, alarm_status_offset,
8790 /* Mask or enable the fault event. */
8791 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
8792 if (alarm_status & (1<<0))
8796 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
8798 /******************************************************************/
8799 /* common BCM8706/BCM8726 PHY SECTION */
8800 /******************************************************************/
8801 static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
8802 struct link_params *params,
8803 struct link_vars *vars)
8806 u16 val1, val2, rx_sd, pcs_status;
8807 struct bnx2x *bp = params->bp;
8808 DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
8810 bnx2x_cl45_read(bp, phy,
8811 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
8813 bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
8814 MDIO_PMA_LASI_TXCTRL);
8816 /* Clear LASI indication*/
8817 bnx2x_cl45_read(bp, phy,
8818 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
8819 bnx2x_cl45_read(bp, phy,
8820 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
8821 DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
8823 bnx2x_cl45_read(bp, phy,
8824 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
8825 bnx2x_cl45_read(bp, phy,
8826 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
8827 bnx2x_cl45_read(bp, phy,
8828 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
8829 bnx2x_cl45_read(bp, phy,
8830 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
8832 DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
8833 " link_status 0x%x\n", rx_sd, pcs_status, val2);
8834 /* Link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
8835 * are set, or if the autoneg bit 1 is set
8837 link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
8840 vars->line_speed = SPEED_1000;
8842 vars->line_speed = SPEED_10000;
8843 bnx2x_ext_phy_resolve_fc(phy, params, vars);
8844 vars->duplex = DUPLEX_FULL;
8847 /* Capture 10G link fault. Read twice to clear stale value. */
8848 if (vars->line_speed == SPEED_10000) {
8849 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
8850 MDIO_PMA_LASI_TXSTAT, &val1);
8851 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
8852 MDIO_PMA_LASI_TXSTAT, &val1);
8854 vars->fault_detected = 1;
8860 /******************************************************************/
8861 /* BCM8706 PHY SECTION */
8862 /******************************************************************/
8863 static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
8864 struct link_params *params,
8865 struct link_vars *vars)
8869 struct bnx2x *bp = params->bp;
8871 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
8872 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
8874 bnx2x_ext_phy_hw_reset(bp, params->port);
8875 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
8876 bnx2x_wait_reset_complete(bp, phy, params);
8878 /* Wait until fw is loaded */
8879 for (cnt = 0; cnt < 100; cnt++) {
8880 bnx2x_cl45_read(bp, phy,
8881 MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
8884 usleep_range(10000, 20000);
8886 DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
8887 if ((params->feature_config_flags &
8888 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
8891 for (i = 0; i < 4; i++) {
8892 reg = MDIO_XS_8706_REG_BANK_RX0 +
8893 i*(MDIO_XS_8706_REG_BANK_RX1 -
8894 MDIO_XS_8706_REG_BANK_RX0);
8895 bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
8896 /* Clear first 3 bits of the control */
8898 /* Set control bits according to configuration */
8899 val |= (phy->rx_preemphasis[i] & 0x7);
8900 DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
8901 " reg 0x%x <-- val 0x%x\n", reg, val);
8902 bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
8906 if (phy->req_line_speed == SPEED_10000) {
8907 DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
8909 bnx2x_cl45_write(bp, phy,
8911 MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
8912 bnx2x_cl45_write(bp, phy,
8913 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
8915 /* Arm LASI for link and Tx fault. */
8916 bnx2x_cl45_write(bp, phy,
8917 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
8919 /* Force 1Gbps using autoneg with 1G advertisement */
8921 /* Allow CL37 through CL73 */
8922 DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
8923 bnx2x_cl45_write(bp, phy,
8924 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
8926 /* Enable Full-Duplex advertisement on CL37 */
8927 bnx2x_cl45_write(bp, phy,
8928 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
8929 /* Enable CL37 AN */
8930 bnx2x_cl45_write(bp, phy,
8931 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
8933 bnx2x_cl45_write(bp, phy,
8934 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
8936 /* Enable clause 73 AN */
8937 bnx2x_cl45_write(bp, phy,
8938 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
8939 bnx2x_cl45_write(bp, phy,
8940 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
8942 bnx2x_cl45_write(bp, phy,
8943 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
8946 bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
8948 /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
8949 * power mode, if TX Laser is disabled
8952 tx_en_mode = REG_RD(bp, params->shmem_base +
8953 offsetof(struct shmem_region,
8954 dev_info.port_hw_config[params->port].sfp_ctrl))
8955 & PORT_HW_CFG_TX_LASER_MASK;
8957 if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
8958 DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
8959 bnx2x_cl45_read(bp, phy,
8960 MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
8962 bnx2x_cl45_write(bp, phy,
8963 MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
8969 static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
8970 struct link_params *params,
8971 struct link_vars *vars)
8973 return bnx2x_8706_8726_read_status(phy, params, vars);
8976 /******************************************************************/
8977 /* BCM8726 PHY SECTION */
8978 /******************************************************************/
8979 static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
8980 struct link_params *params)
8982 struct bnx2x *bp = params->bp;
8983 DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
8984 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
8987 static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
8988 struct link_params *params)
8990 struct bnx2x *bp = params->bp;
8991 /* Need to wait 100ms after reset */
8994 /* Micro controller re-boot */
8995 bnx2x_cl45_write(bp, phy,
8996 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
8998 /* Set soft reset */
8999 bnx2x_cl45_write(bp, phy,
9001 MDIO_PMA_REG_GEN_CTRL,
9002 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
9004 bnx2x_cl45_write(bp, phy,
9006 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
9008 bnx2x_cl45_write(bp, phy,
9010 MDIO_PMA_REG_GEN_CTRL,
9011 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
9013 /* Wait for 150ms for microcode load */
9016 /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
9017 bnx2x_cl45_write(bp, phy,
9019 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
9022 bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
9025 static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
9026 struct link_params *params,
9027 struct link_vars *vars)
9029 struct bnx2x *bp = params->bp;
9031 u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
9033 bnx2x_cl45_read(bp, phy,
9034 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
9036 if (val1 & (1<<15)) {
9037 DP(NETIF_MSG_LINK, "Tx is disabled\n");
9039 vars->line_speed = 0;
9046 static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
9047 struct link_params *params,
9048 struct link_vars *vars)
9050 struct bnx2x *bp = params->bp;
9051 DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
9053 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
9054 bnx2x_wait_reset_complete(bp, phy, params);
9056 bnx2x_8726_external_rom_boot(phy, params);
9058 /* Need to call module detected on initialization since the module
9059 * detection triggered by actual module insertion might occur before
9060 * driver is loaded, and when driver is loaded, it reset all
9061 * registers, including the transmitter
9063 bnx2x_sfp_module_detection(phy, params);
9065 if (phy->req_line_speed == SPEED_1000) {
9066 DP(NETIF_MSG_LINK, "Setting 1G force\n");
9067 bnx2x_cl45_write(bp, phy,
9068 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
9069 bnx2x_cl45_write(bp, phy,
9070 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
9071 bnx2x_cl45_write(bp, phy,
9072 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
9073 bnx2x_cl45_write(bp, phy,
9074 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
9076 } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
9077 (phy->speed_cap_mask &
9078 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
9079 ((phy->speed_cap_mask &
9080 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
9081 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
9082 DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
9083 /* Set Flow control */
9084 bnx2x_ext_phy_set_pause(params, phy, vars);
9085 bnx2x_cl45_write(bp, phy,
9086 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
9087 bnx2x_cl45_write(bp, phy,
9088 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
9089 bnx2x_cl45_write(bp, phy,
9090 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
9091 bnx2x_cl45_write(bp, phy,
9092 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
9093 bnx2x_cl45_write(bp, phy,
9094 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
9095 /* Enable RX-ALARM control to receive interrupt for 1G speed
9098 bnx2x_cl45_write(bp, phy,
9099 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
9100 bnx2x_cl45_write(bp, phy,
9101 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
9104 } else { /* Default 10G. Set only LASI control */
9105 bnx2x_cl45_write(bp, phy,
9106 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
9109 /* Set TX PreEmphasis if needed */
9110 if ((params->feature_config_flags &
9111 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
9113 "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
9114 phy->tx_preemphasis[0],
9115 phy->tx_preemphasis[1]);
9116 bnx2x_cl45_write(bp, phy,
9118 MDIO_PMA_REG_8726_TX_CTRL1,
9119 phy->tx_preemphasis[0]);
9121 bnx2x_cl45_write(bp, phy,
9123 MDIO_PMA_REG_8726_TX_CTRL2,
9124 phy->tx_preemphasis[1]);
9131 static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
9132 struct link_params *params)
9134 struct bnx2x *bp = params->bp;
9135 DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
9136 /* Set serial boot control for external load */
9137 bnx2x_cl45_write(bp, phy,
9139 MDIO_PMA_REG_GEN_CTRL, 0x0001);
9142 /******************************************************************/
9143 /* BCM8727 PHY SECTION */
9144 /******************************************************************/
9146 static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
9147 struct link_params *params, u8 mode)
9149 struct bnx2x *bp = params->bp;
9150 u16 led_mode_bitmask = 0;
9151 u16 gpio_pins_bitmask = 0;
9153 /* Only NOC flavor requires to set the LED specifically */
9154 if (!(phy->flags & FLAGS_NOC))
9157 case LED_MODE_FRONT_PANEL_OFF:
9159 led_mode_bitmask = 0;
9160 gpio_pins_bitmask = 0x03;
9163 led_mode_bitmask = 0;
9164 gpio_pins_bitmask = 0x02;
9167 led_mode_bitmask = 0x60;
9168 gpio_pins_bitmask = 0x11;
9171 bnx2x_cl45_read(bp, phy,
9173 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
9176 val |= led_mode_bitmask;
9177 bnx2x_cl45_write(bp, phy,
9179 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
9181 bnx2x_cl45_read(bp, phy,
9183 MDIO_PMA_REG_8727_GPIO_CTRL,
9186 val |= gpio_pins_bitmask;
9187 bnx2x_cl45_write(bp, phy,
9189 MDIO_PMA_REG_8727_GPIO_CTRL,
9192 static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
9193 struct link_params *params) {
9194 u32 swap_val, swap_override;
9196 /* The PHY reset is controlled by GPIO 1. Fake the port number
9197 * to cancel the swap done in set_gpio()
9199 struct bnx2x *bp = params->bp;
9200 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
9201 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
9202 port = (swap_val && swap_override) ^ 1;
9203 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
9204 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
9207 static void bnx2x_8727_config_speed(struct bnx2x_phy *phy,
9208 struct link_params *params)
9210 struct bnx2x *bp = params->bp;
9212 /* Set option 1G speed */
9213 if ((phy->req_line_speed == SPEED_1000) ||
9214 (phy->media_type == ETH_PHY_SFP_1G_FIBER)) {
9215 DP(NETIF_MSG_LINK, "Setting 1G force\n");
9216 bnx2x_cl45_write(bp, phy,
9217 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
9218 bnx2x_cl45_write(bp, phy,
9219 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
9220 bnx2x_cl45_read(bp, phy,
9221 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
9222 DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
9223 /* Power down the XAUI until link is up in case of dual-media
9226 if (DUAL_MEDIA(params)) {
9227 bnx2x_cl45_read(bp, phy,
9229 MDIO_PMA_REG_8727_PCS_GP, &val);
9231 bnx2x_cl45_write(bp, phy,
9233 MDIO_PMA_REG_8727_PCS_GP, val);
9235 } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
9236 ((phy->speed_cap_mask &
9237 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
9238 ((phy->speed_cap_mask &
9239 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
9240 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
9242 DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
9243 bnx2x_cl45_write(bp, phy,
9244 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
9245 bnx2x_cl45_write(bp, phy,
9246 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
9248 /* Since the 8727 has only single reset pin, need to set the 10G
9249 * registers although it is default
9251 bnx2x_cl45_write(bp, phy,
9252 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
9254 bnx2x_cl45_write(bp, phy,
9255 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
9256 bnx2x_cl45_write(bp, phy,
9257 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
9258 bnx2x_cl45_write(bp, phy,
9259 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
9264 static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
9265 struct link_params *params,
9266 struct link_vars *vars)
9269 u16 tmp1, mod_abs, tmp2;
9270 struct bnx2x *bp = params->bp;
9271 /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
9273 bnx2x_wait_reset_complete(bp, phy, params);
9275 DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
9277 bnx2x_8727_specific_func(phy, params, PHY_INIT);
9278 /* Initially configure MOD_ABS to interrupt when module is
9281 bnx2x_cl45_read(bp, phy,
9282 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
9283 /* Set EDC off by setting OPTXLOS signal input to low (bit 9).
9284 * When the EDC is off it locks onto a reference clock and avoids
9288 if (!(phy->flags & FLAGS_NOC))
9290 bnx2x_cl45_write(bp, phy,
9291 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
9293 /* Enable/Disable PHY transmitter output */
9294 bnx2x_set_disable_pmd_transmit(params, phy, 0);
9296 bnx2x_8727_power_module(bp, phy, 1);
9298 bnx2x_cl45_read(bp, phy,
9299 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
9301 bnx2x_cl45_read(bp, phy,
9302 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
9304 bnx2x_8727_config_speed(phy, params);
9307 /* Set TX PreEmphasis if needed */
9308 if ((params->feature_config_flags &
9309 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
9310 DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
9311 phy->tx_preemphasis[0],
9312 phy->tx_preemphasis[1]);
9313 bnx2x_cl45_write(bp, phy,
9314 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
9315 phy->tx_preemphasis[0]);
9317 bnx2x_cl45_write(bp, phy,
9318 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
9319 phy->tx_preemphasis[1]);
9322 /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
9323 * power mode, if TX Laser is disabled
9325 tx_en_mode = REG_RD(bp, params->shmem_base +
9326 offsetof(struct shmem_region,
9327 dev_info.port_hw_config[params->port].sfp_ctrl))
9328 & PORT_HW_CFG_TX_LASER_MASK;
9330 if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
9332 DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
9333 bnx2x_cl45_read(bp, phy,
9334 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
9337 bnx2x_cl45_write(bp, phy,
9338 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
9339 bnx2x_cl45_read(bp, phy,
9340 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
9342 bnx2x_cl45_write(bp, phy,
9343 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
9350 static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
9351 struct link_params *params)
9353 struct bnx2x *bp = params->bp;
9354 u16 mod_abs, rx_alarm_status;
9355 u32 val = REG_RD(bp, params->shmem_base +
9356 offsetof(struct shmem_region, dev_info.
9357 port_feature_config[params->port].
9359 bnx2x_cl45_read(bp, phy,
9361 MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
9362 if (mod_abs & (1<<8)) {
9364 /* Module is absent */
9366 "MOD_ABS indication show module is absent\n");
9367 phy->media_type = ETH_PHY_NOT_PRESENT;
9368 /* 1. Set mod_abs to detect next module
9370 * 2. Set EDC off by setting OPTXLOS signal input to low
9372 * When the EDC is off it locks onto a reference clock and
9373 * avoids becoming 'lost'.
9376 if (!(phy->flags & FLAGS_NOC))
9378 bnx2x_cl45_write(bp, phy,
9380 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
9382 /* Clear RX alarm since it stays up as long as
9383 * the mod_abs wasn't changed
9385 bnx2x_cl45_read(bp, phy,
9387 MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
9390 /* Module is present */
9392 "MOD_ABS indication show module is present\n");
9393 /* First disable transmitter, and if the module is ok, the
9394 * module_detection will enable it
9395 * 1. Set mod_abs to detect next module absent event ( bit 8)
9396 * 2. Restore the default polarity of the OPRXLOS signal and
9397 * this signal will then correctly indicate the presence or
9398 * absence of the Rx signal. (bit 9)
9401 if (!(phy->flags & FLAGS_NOC))
9403 bnx2x_cl45_write(bp, phy,
9405 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
9407 /* Clear RX alarm since it stays up as long as the mod_abs
9408 * wasn't changed. This is need to be done before calling the
9409 * module detection, otherwise it will clear* the link update
9412 bnx2x_cl45_read(bp, phy,
9414 MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
9417 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
9418 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
9419 bnx2x_sfp_set_transmitter(params, phy, 0);
9421 if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
9422 bnx2x_sfp_module_detection(phy, params);
9424 DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
9426 /* Reconfigure link speed based on module type limitations */
9427 bnx2x_8727_config_speed(phy, params);
9430 DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
9432 /* No need to check link status in case of module plugged in/out */
9435 static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
9436 struct link_params *params,
9437 struct link_vars *vars)
9440 struct bnx2x *bp = params->bp;
9441 u8 link_up = 0, oc_port = params->port;
9442 u16 link_status = 0;
9443 u16 rx_alarm_status, lasi_ctrl, val1;
9445 /* If PHY is not initialized, do not check link status */
9446 bnx2x_cl45_read(bp, phy,
9447 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
9452 /* Check the LASI on Rx */
9453 bnx2x_cl45_read(bp, phy,
9454 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
9456 vars->line_speed = 0;
9457 DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
9459 bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
9460 MDIO_PMA_LASI_TXCTRL);
9462 bnx2x_cl45_read(bp, phy,
9463 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
9465 DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
9468 bnx2x_cl45_read(bp, phy,
9469 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
9471 /* If a module is present and there is need to check
9474 if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
9475 /* Check over-current using 8727 GPIO0 input*/
9476 bnx2x_cl45_read(bp, phy,
9477 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
9480 if ((val1 & (1<<8)) == 0) {
9481 if (!CHIP_IS_E1x(bp))
9482 oc_port = BP_PATH(bp) + (params->port << 1);
9484 "8727 Power fault has been detected on port %d\n",
9486 netdev_err(bp->dev, "Error: Power fault on Port %d has "
9487 "been detected and the power to "
9488 "that SFP+ module has been removed "
9489 "to prevent failure of the card. "
9490 "Please remove the SFP+ module and "
9491 "restart the system to clear this "
9494 /* Disable all RX_ALARMs except for mod_abs */
9495 bnx2x_cl45_write(bp, phy,
9497 MDIO_PMA_LASI_RXCTRL, (1<<5));
9499 bnx2x_cl45_read(bp, phy,
9501 MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
9502 /* Wait for module_absent_event */
9504 bnx2x_cl45_write(bp, phy,
9506 MDIO_PMA_REG_PHY_IDENTIFIER, val1);
9507 /* Clear RX alarm */
9508 bnx2x_cl45_read(bp, phy,
9510 MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
9511 bnx2x_8727_power_module(params->bp, phy, 0);
9514 } /* Over current check */
9516 /* When module absent bit is set, check module */
9517 if (rx_alarm_status & (1<<5)) {
9518 bnx2x_8727_handle_mod_abs(phy, params);
9519 /* Enable all mod_abs and link detection bits */
9520 bnx2x_cl45_write(bp, phy,
9521 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
9525 if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
9526 DP(NETIF_MSG_LINK, "Enabling 8727 TX laser\n");
9527 bnx2x_sfp_set_transmitter(params, phy, 1);
9529 DP(NETIF_MSG_LINK, "Tx is disabled\n");
9533 bnx2x_cl45_read(bp, phy,
9535 MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
9537 /* Bits 0..2 --> speed detected,
9538 * Bits 13..15--> link is down
9540 if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
9542 vars->line_speed = SPEED_10000;
9543 DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
9545 } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
9547 vars->line_speed = SPEED_1000;
9548 DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
9552 DP(NETIF_MSG_LINK, "port %x: External link is down\n",
9556 /* Capture 10G link fault. */
9557 if (vars->line_speed == SPEED_10000) {
9558 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
9559 MDIO_PMA_LASI_TXSTAT, &val1);
9561 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
9562 MDIO_PMA_LASI_TXSTAT, &val1);
9564 if (val1 & (1<<0)) {
9565 vars->fault_detected = 1;
9570 bnx2x_ext_phy_resolve_fc(phy, params, vars);
9571 vars->duplex = DUPLEX_FULL;
9572 DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
9575 if ((DUAL_MEDIA(params)) &&
9576 (phy->req_line_speed == SPEED_1000)) {
9577 bnx2x_cl45_read(bp, phy,
9579 MDIO_PMA_REG_8727_PCS_GP, &val1);
9580 /* In case of dual-media board and 1G, power up the XAUI side,
9581 * otherwise power it down. For 10G it is done automatically
9587 bnx2x_cl45_write(bp, phy,
9589 MDIO_PMA_REG_8727_PCS_GP, val1);
9594 static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
9595 struct link_params *params)
9597 struct bnx2x *bp = params->bp;
9599 /* Enable/Disable PHY transmitter output */
9600 bnx2x_set_disable_pmd_transmit(params, phy, 1);
9602 /* Disable Transmitter */
9603 bnx2x_sfp_set_transmitter(params, phy, 0);
9605 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
9609 /******************************************************************/
9610 /* BCM8481/BCM84823/BCM84833 PHY SECTION */
9611 /******************************************************************/
9612 static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
9616 u16 val, fw_ver2, cnt, i;
9617 static struct bnx2x_reg_set reg_set[] = {
9618 {MDIO_PMA_DEVAD, 0xA819, 0x0014},
9619 {MDIO_PMA_DEVAD, 0xA81A, 0xc200},
9620 {MDIO_PMA_DEVAD, 0xA81B, 0x0000},
9621 {MDIO_PMA_DEVAD, 0xA81C, 0x0300},
9622 {MDIO_PMA_DEVAD, 0xA817, 0x0009}
9626 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
9627 (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
9628 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
9629 bnx2x_save_spirom_version(bp, port, fw_ver1 & 0xfff,
9632 /* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */
9633 /* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
9634 for (i = 0; i < ARRAY_SIZE(reg_set); i++)
9635 bnx2x_cl45_write(bp, phy, reg_set[i].devad,
9636 reg_set[i].reg, reg_set[i].val);
9638 for (cnt = 0; cnt < 100; cnt++) {
9639 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
9645 DP(NETIF_MSG_LINK, "Unable to read 848xx "
9646 "phy fw version(1)\n");
9647 bnx2x_save_spirom_version(bp, port, 0,
9653 /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
9654 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
9655 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
9656 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
9657 for (cnt = 0; cnt < 100; cnt++) {
9658 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
9664 DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw "
9666 bnx2x_save_spirom_version(bp, port, 0,
9671 /* lower 16 bits of the register SPI_FW_STATUS */
9672 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
9673 /* upper 16 bits of register SPI_FW_STATUS */
9674 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
9676 bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
9681 static void bnx2x_848xx_set_led(struct bnx2x *bp,
9682 struct bnx2x_phy *phy)
9685 static struct bnx2x_reg_set reg_set[] = {
9686 {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED1_MASK, 0x0080},
9687 {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED2_MASK, 0x0018},
9688 {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_MASK, 0x0006},
9689 {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_BLINK, 0x0000},
9690 {MDIO_PMA_DEVAD, MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH,
9691 MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ},
9692 {MDIO_AN_DEVAD, 0xFFFB, 0xFFFD}
9694 /* PHYC_CTL_LED_CTL */
9695 bnx2x_cl45_read(bp, phy,
9697 MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
9701 bnx2x_cl45_write(bp, phy,
9703 MDIO_PMA_REG_8481_LINK_SIGNAL, val);
9705 for (i = 0; i < ARRAY_SIZE(reg_set); i++)
9706 bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
9709 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
9710 (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834))
9711 offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1;
9713 offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1;
9715 /* stretch_en for LED3*/
9716 bnx2x_cl45_read_or_write(bp, phy,
9717 MDIO_PMA_DEVAD, offset,
9718 MDIO_PMA_REG_84823_LED3_STRETCH_EN);
9721 static void bnx2x_848xx_specific_func(struct bnx2x_phy *phy,
9722 struct link_params *params,
9725 struct bnx2x *bp = params->bp;
9728 if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
9729 (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
9730 /* Save spirom version */
9731 bnx2x_save_848xx_spirom_version(phy, bp, params->port);
9733 /* This phy uses the NIG latch mechanism since link indication
9734 * arrives through its LED4 and not via its LASI signal, so we
9735 * get steady signal instead of clear on read
9737 bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
9738 1 << NIG_LATCH_BC_ENABLE_MI_INT);
9740 bnx2x_848xx_set_led(bp, phy);
9745 static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
9746 struct link_params *params,
9747 struct link_vars *vars)
9749 struct bnx2x *bp = params->bp;
9750 u16 autoneg_val, an_1000_val, an_10_100_val;
9752 bnx2x_848xx_specific_func(phy, params, PHY_INIT);
9753 bnx2x_cl45_write(bp, phy,
9754 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
9756 /* set 1000 speed advertisement */
9757 bnx2x_cl45_read(bp, phy,
9758 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
9761 bnx2x_ext_phy_set_pause(params, phy, vars);
9762 bnx2x_cl45_read(bp, phy,
9764 MDIO_AN_REG_8481_LEGACY_AN_ADV,
9766 bnx2x_cl45_read(bp, phy,
9767 MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
9769 /* Disable forced speed */
9770 autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
9771 an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
9773 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
9774 (phy->speed_cap_mask &
9775 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
9776 (phy->req_line_speed == SPEED_1000)) {
9777 an_1000_val |= (1<<8);
9778 autoneg_val |= (1<<9 | 1<<12);
9779 if (phy->req_duplex == DUPLEX_FULL)
9780 an_1000_val |= (1<<9);
9781 DP(NETIF_MSG_LINK, "Advertising 1G\n");
9783 an_1000_val &= ~((1<<8) | (1<<9));
9785 bnx2x_cl45_write(bp, phy,
9786 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
9789 /* Set 10/100 speed advertisement */
9790 if (phy->req_line_speed == SPEED_AUTO_NEG) {
9791 if (phy->speed_cap_mask &
9792 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL) {
9793 /* Enable autoneg and restart autoneg for legacy speeds
9795 autoneg_val |= (1<<9 | 1<<12);
9796 an_10_100_val |= (1<<8);
9797 DP(NETIF_MSG_LINK, "Advertising 100M-FD\n");
9800 if (phy->speed_cap_mask &
9801 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF) {
9802 /* Enable autoneg and restart autoneg for legacy speeds
9804 autoneg_val |= (1<<9 | 1<<12);
9805 an_10_100_val |= (1<<7);
9806 DP(NETIF_MSG_LINK, "Advertising 100M-HD\n");
9809 if ((phy->speed_cap_mask &
9810 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
9811 (phy->supported & SUPPORTED_10baseT_Full)) {
9812 an_10_100_val |= (1<<6);
9813 autoneg_val |= (1<<9 | 1<<12);
9814 DP(NETIF_MSG_LINK, "Advertising 10M-FD\n");
9817 if ((phy->speed_cap_mask &
9818 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF) &&
9819 (phy->supported & SUPPORTED_10baseT_Half)) {
9820 an_10_100_val |= (1<<5);
9821 autoneg_val |= (1<<9 | 1<<12);
9822 DP(NETIF_MSG_LINK, "Advertising 10M-HD\n");
9826 /* Only 10/100 are allowed to work in FORCE mode */
9827 if ((phy->req_line_speed == SPEED_100) &&
9829 (SUPPORTED_100baseT_Half |
9830 SUPPORTED_100baseT_Full))) {
9831 autoneg_val |= (1<<13);
9832 /* Enabled AUTO-MDIX when autoneg is disabled */
9833 bnx2x_cl45_write(bp, phy,
9834 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
9835 (1<<15 | 1<<9 | 7<<0));
9836 /* The PHY needs this set even for forced link. */
9837 an_10_100_val |= (1<<8) | (1<<7);
9838 DP(NETIF_MSG_LINK, "Setting 100M force\n");
9840 if ((phy->req_line_speed == SPEED_10) &&
9842 (SUPPORTED_10baseT_Half |
9843 SUPPORTED_10baseT_Full))) {
9844 /* Enabled AUTO-MDIX when autoneg is disabled */
9845 bnx2x_cl45_write(bp, phy,
9846 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
9847 (1<<15 | 1<<9 | 7<<0));
9848 DP(NETIF_MSG_LINK, "Setting 10M force\n");
9851 bnx2x_cl45_write(bp, phy,
9852 MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
9855 if (phy->req_duplex == DUPLEX_FULL)
9856 autoneg_val |= (1<<8);
9858 /* Always write this if this is not 84833/4.
9859 * For 84833/4, write it only when it's a forced speed.
9861 if (((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
9862 (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) ||
9863 ((autoneg_val & (1<<12)) == 0))
9864 bnx2x_cl45_write(bp, phy,
9866 MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
9868 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
9869 (phy->speed_cap_mask &
9870 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
9871 (phy->req_line_speed == SPEED_10000)) {
9872 DP(NETIF_MSG_LINK, "Advertising 10G\n");
9873 /* Restart autoneg for 10G*/
9875 bnx2x_cl45_read_or_write(
9878 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
9880 bnx2x_cl45_write(bp, phy,
9881 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
9884 bnx2x_cl45_write(bp, phy,
9886 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
9892 static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
9893 struct link_params *params,
9894 struct link_vars *vars)
9896 struct bnx2x *bp = params->bp;
9897 /* Restore normal power mode*/
9898 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
9899 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
9902 bnx2x_ext_phy_hw_reset(bp, params->port);
9903 bnx2x_wait_reset_complete(bp, phy, params);
9905 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
9906 return bnx2x_848xx_cmn_config_init(phy, params, vars);
9909 #define PHY84833_CMDHDLR_WAIT 300
9910 #define PHY84833_CMDHDLR_MAX_ARGS 5
9911 static int bnx2x_84833_cmd_hdlr(struct bnx2x_phy *phy,
9912 struct link_params *params, u16 fw_cmd,
9913 u16 cmd_args[], int argc)
9917 struct bnx2x *bp = params->bp;
9918 /* Write CMD_OPEN_OVERRIDE to STATUS reg */
9919 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9920 MDIO_84833_CMD_HDLR_STATUS,
9921 PHY84833_STATUS_CMD_OPEN_OVERRIDE);
9922 for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
9923 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9924 MDIO_84833_CMD_HDLR_STATUS, &val);
9925 if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS)
9927 usleep_range(1000, 2000);
9929 if (idx >= PHY84833_CMDHDLR_WAIT) {
9930 DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
9934 /* Prepare argument(s) and issue command */
9935 for (idx = 0; idx < argc; idx++) {
9936 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9937 MDIO_84833_CMD_HDLR_DATA1 + idx,
9940 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9941 MDIO_84833_CMD_HDLR_COMMAND, fw_cmd);
9942 for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
9943 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9944 MDIO_84833_CMD_HDLR_STATUS, &val);
9945 if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) ||
9946 (val == PHY84833_STATUS_CMD_COMPLETE_ERROR))
9948 usleep_range(1000, 2000);
9950 if ((idx >= PHY84833_CMDHDLR_WAIT) ||
9951 (val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) {
9952 DP(NETIF_MSG_LINK, "FW cmd failed.\n");
9955 /* Gather returning data */
9956 for (idx = 0; idx < argc; idx++) {
9957 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9958 MDIO_84833_CMD_HDLR_DATA1 + idx,
9961 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9962 MDIO_84833_CMD_HDLR_STATUS,
9963 PHY84833_STATUS_CMD_CLEAR_COMPLETE);
9967 static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
9968 struct link_params *params,
9969 struct link_vars *vars)
9972 u16 data[PHY84833_CMDHDLR_MAX_ARGS];
9974 struct bnx2x *bp = params->bp;
9976 /* Check for configuration. */
9977 pair_swap = REG_RD(bp, params->shmem_base +
9978 offsetof(struct shmem_region,
9979 dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
9980 PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
9985 /* Only the second argument is used for this command */
9986 data[1] = (u16)pair_swap;
9988 status = bnx2x_84833_cmd_hdlr(phy, params,
9989 PHY84833_CMD_SET_PAIR_SWAP, data, PHY84833_CMDHDLR_MAX_ARGS);
9991 DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data[1]);
9996 static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
9997 u32 shmem_base_path[],
10003 if (CHIP_IS_E3(bp)) {
10004 /* Assume that these will be GPIOs, not EPIOs. */
10005 for (idx = 0; idx < 2; idx++) {
10006 /* Map config param to register bit. */
10007 reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
10008 offsetof(struct shmem_region,
10009 dev_info.port_hw_config[0].e3_cmn_pin_cfg));
10010 reset_pin[idx] = (reset_pin[idx] &
10011 PORT_HW_CFG_E3_PHY_RESET_MASK) >>
10012 PORT_HW_CFG_E3_PHY_RESET_SHIFT;
10013 reset_pin[idx] -= PIN_CFG_GPIO0_P0;
10014 reset_pin[idx] = (1 << reset_pin[idx]);
10016 reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
10018 /* E2, look from diff place of shmem. */
10019 for (idx = 0; idx < 2; idx++) {
10020 reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
10021 offsetof(struct shmem_region,
10022 dev_info.port_hw_config[0].default_cfg));
10023 reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
10024 reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
10025 reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
10026 reset_pin[idx] = (1 << reset_pin[idx]);
10028 reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
10031 return reset_gpios;
10034 static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
10035 struct link_params *params)
10037 struct bnx2x *bp = params->bp;
10039 u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
10040 offsetof(struct shmem2_region,
10041 other_shmem_base_addr));
10043 u32 shmem_base_path[2];
10045 /* Work around for 84833 LED failure inside RESET status */
10046 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
10047 MDIO_AN_REG_8481_LEGACY_MII_CTRL,
10048 MDIO_AN_REG_8481_MII_CTRL_FORCE_1G);
10049 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
10050 MDIO_AN_REG_8481_1G_100T_EXT_CTRL,
10051 MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF);
10053 shmem_base_path[0] = params->shmem_base;
10054 shmem_base_path[1] = other_shmem_base_addr;
10056 reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
10059 bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
10061 DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
10067 static int bnx2x_8483x_disable_eee(struct bnx2x_phy *phy,
10068 struct link_params *params,
10069 struct link_vars *vars)
10072 struct bnx2x *bp = params->bp;
10075 DP(NETIF_MSG_LINK, "Don't Advertise 10GBase-T EEE\n");
10077 /* Prevent Phy from working in EEE and advertising it */
10078 rc = bnx2x_84833_cmd_hdlr(phy, params,
10079 PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
10081 DP(NETIF_MSG_LINK, "EEE disable failed.\n");
10085 return bnx2x_eee_disable(phy, params, vars);
10088 static int bnx2x_8483x_enable_eee(struct bnx2x_phy *phy,
10089 struct link_params *params,
10090 struct link_vars *vars)
10093 struct bnx2x *bp = params->bp;
10096 rc = bnx2x_84833_cmd_hdlr(phy, params,
10097 PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
10099 DP(NETIF_MSG_LINK, "EEE enable failed.\n");
10103 return bnx2x_eee_advertise(phy, params, vars, SHMEM_EEE_10G_ADV);
10106 #define PHY84833_CONSTANT_LATENCY 1193
10107 static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
10108 struct link_params *params,
10109 struct link_vars *vars)
10111 struct bnx2x *bp = params->bp;
10112 u8 port, initialize = 1;
10114 u32 actual_phy_selection;
10115 u16 cmd_args[PHY84833_CMDHDLR_MAX_ARGS];
10118 usleep_range(1000, 2000);
10120 if (!(CHIP_IS_E1x(bp)))
10121 port = BP_PATH(bp);
10123 port = params->port;
10125 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
10126 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
10127 MISC_REGISTERS_GPIO_OUTPUT_HIGH,
10131 bnx2x_cl45_write(bp, phy,
10133 MDIO_PMA_REG_CTRL, 0x8000);
10136 bnx2x_wait_reset_complete(bp, phy, params);
10138 /* Wait for GPHY to come out of reset */
10140 if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
10141 (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
10142 /* BCM84823 requires that XGXS links up first @ 10G for normal
10146 temp = vars->line_speed;
10147 vars->line_speed = SPEED_10000;
10148 bnx2x_set_autoneg(¶ms->phy[INT_PHY], params, vars, 0);
10149 bnx2x_program_serdes(¶ms->phy[INT_PHY], params, vars);
10150 vars->line_speed = temp;
10153 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10154 MDIO_CTL_REG_84823_MEDIA, &val);
10155 val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
10156 MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
10157 MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
10158 MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
10159 MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
10161 if (CHIP_IS_E3(bp)) {
10162 val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
10163 MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
10165 val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
10166 MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
10169 actual_phy_selection = bnx2x_phy_selection(params);
10171 switch (actual_phy_selection) {
10172 case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
10173 /* Do nothing. Essentially this is like the priority copper */
10175 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
10176 val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
10178 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
10179 val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
10181 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
10182 /* Do nothing here. The first PHY won't be initialized at all */
10184 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
10185 val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
10189 if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
10190 val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
10192 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
10193 MDIO_CTL_REG_84823_MEDIA, val);
10194 DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
10195 params->multi_phy_config, val);
10197 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
10198 (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
10199 bnx2x_84833_pair_swap_cfg(phy, params, vars);
10201 /* Keep AutogrEEEn disabled. */
10204 cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1;
10205 cmd_args[3] = PHY84833_CONSTANT_LATENCY;
10206 rc = bnx2x_84833_cmd_hdlr(phy, params,
10207 PHY84833_CMD_SET_EEE_MODE, cmd_args,
10208 PHY84833_CMDHDLR_MAX_ARGS);
10210 DP(NETIF_MSG_LINK, "Cfg AutogrEEEn failed.\n");
10213 rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
10215 bnx2x_save_848xx_spirom_version(phy, bp, params->port);
10216 /* 84833 PHY has a better feature and doesn't need to support this. */
10217 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
10218 u32 cms_enable = REG_RD(bp, params->shmem_base +
10219 offsetof(struct shmem_region,
10220 dev_info.port_hw_config[params->port].default_cfg)) &
10221 PORT_HW_CFG_ENABLE_CMS_MASK;
10223 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10224 MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
10226 val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
10228 val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
10229 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
10230 MDIO_CTL_REG_84823_USER_CTRL_REG, val);
10233 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10234 MDIO_84833_TOP_CFG_FW_REV, &val);
10236 /* Configure EEE support */
10237 if ((val >= MDIO_84833_TOP_CFG_FW_EEE) &&
10238 (val != MDIO_84833_TOP_CFG_FW_NO_EEE) &&
10239 bnx2x_eee_has_cap(params)) {
10240 rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_10G_ADV);
10242 DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
10243 bnx2x_8483x_disable_eee(phy, params, vars);
10247 if ((phy->req_duplex == DUPLEX_FULL) &&
10248 (params->eee_mode & EEE_MODE_ADV_LPI) &&
10249 (bnx2x_eee_calc_timer(params) ||
10250 !(params->eee_mode & EEE_MODE_ENABLE_LPI)))
10251 rc = bnx2x_8483x_enable_eee(phy, params, vars);
10253 rc = bnx2x_8483x_disable_eee(phy, params, vars);
10255 DP(NETIF_MSG_LINK, "Failed to set EEE advertisement\n");
10259 vars->eee_status &= ~SHMEM_EEE_SUPPORTED_MASK;
10262 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
10263 (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
10264 /* Bring PHY out of super isolate mode as the final step. */
10265 bnx2x_cl45_read_and_write(bp, phy,
10267 MDIO_84833_TOP_CFG_XGPHY_STRAP1,
10268 (u16)~MDIO_84833_SUPER_ISOLATE);
10273 static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
10274 struct link_params *params,
10275 struct link_vars *vars)
10277 struct bnx2x *bp = params->bp;
10278 u16 val, val1, val2;
10282 /* Check 10G-BaseT link status */
10283 /* Check PMD signal ok */
10284 bnx2x_cl45_read(bp, phy,
10285 MDIO_AN_DEVAD, 0xFFFA, &val1);
10286 bnx2x_cl45_read(bp, phy,
10287 MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
10289 DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
10291 /* Check link 10G */
10292 if (val2 & (1<<11)) {
10293 vars->line_speed = SPEED_10000;
10294 vars->duplex = DUPLEX_FULL;
10296 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
10297 } else { /* Check Legacy speed link */
10298 u16 legacy_status, legacy_speed;
10300 /* Enable expansion register 0x42 (Operation mode status) */
10301 bnx2x_cl45_write(bp, phy,
10303 MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
10305 /* Get legacy speed operation status */
10306 bnx2x_cl45_read(bp, phy,
10308 MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
10311 DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
10313 link_up = ((legacy_status & (1<<11)) == (1<<11));
10314 legacy_speed = (legacy_status & (3<<9));
10315 if (legacy_speed == (0<<9))
10316 vars->line_speed = SPEED_10;
10317 else if (legacy_speed == (1<<9))
10318 vars->line_speed = SPEED_100;
10319 else if (legacy_speed == (2<<9))
10320 vars->line_speed = SPEED_1000;
10321 else { /* Should not happen: Treat as link down */
10322 vars->line_speed = 0;
10327 if (legacy_status & (1<<8))
10328 vars->duplex = DUPLEX_FULL;
10330 vars->duplex = DUPLEX_HALF;
10333 "Link is up in %dMbps, is_duplex_full= %d\n",
10335 (vars->duplex == DUPLEX_FULL));
10336 /* Check legacy speed AN resolution */
10337 bnx2x_cl45_read(bp, phy,
10339 MDIO_AN_REG_8481_LEGACY_MII_STATUS,
10342 vars->link_status |=
10343 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
10344 bnx2x_cl45_read(bp, phy,
10346 MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
10348 if ((val & (1<<0)) == 0)
10349 vars->link_status |=
10350 LINK_STATUS_PARALLEL_DETECTION_USED;
10354 DP(NETIF_MSG_LINK, "BCM848x3: link speed is %d\n",
10356 bnx2x_ext_phy_resolve_fc(phy, params, vars);
10358 /* Read LP advertised speeds */
10359 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10360 MDIO_AN_REG_CL37_FC_LP, &val);
10362 vars->link_status |=
10363 LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
10365 vars->link_status |=
10366 LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
10368 vars->link_status |=
10369 LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
10371 vars->link_status |=
10372 LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
10374 vars->link_status |=
10375 LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
10377 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10378 MDIO_AN_REG_1000T_STATUS, &val);
10381 vars->link_status |=
10382 LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
10384 vars->link_status |=
10385 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
10387 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10388 MDIO_AN_REG_MASTER_STATUS, &val);
10391 vars->link_status |=
10392 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
10394 /* Determine if EEE was negotiated */
10395 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
10396 (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834))
10397 bnx2x_eee_an_resolve(phy, params, vars);
10403 static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
10407 spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
10408 status = bnx2x_format_ver(spirom_ver, str, len);
10412 static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
10413 struct link_params *params)
10415 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
10416 MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
10417 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
10418 MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
10421 static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
10422 struct link_params *params)
10424 bnx2x_cl45_write(params->bp, phy,
10425 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
10426 bnx2x_cl45_write(params->bp, phy,
10427 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
10430 static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
10431 struct link_params *params)
10433 struct bnx2x *bp = params->bp;
10437 if (!(CHIP_IS_E1x(bp)))
10438 port = BP_PATH(bp);
10440 port = params->port;
10442 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
10443 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
10444 MISC_REGISTERS_GPIO_OUTPUT_LOW,
10447 bnx2x_cl45_read(bp, phy,
10449 MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16);
10450 val16 |= MDIO_84833_SUPER_ISOLATE;
10451 bnx2x_cl45_write(bp, phy,
10453 MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16);
10457 static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
10458 struct link_params *params, u8 mode)
10460 struct bnx2x *bp = params->bp;
10464 if (!(CHIP_IS_E1x(bp)))
10465 port = BP_PATH(bp);
10467 port = params->port;
10472 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
10474 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10475 SHARED_HW_CFG_LED_EXTPHY1) {
10477 /* Set LED masks */
10478 bnx2x_cl45_write(bp, phy,
10480 MDIO_PMA_REG_8481_LED1_MASK,
10483 bnx2x_cl45_write(bp, phy,
10485 MDIO_PMA_REG_8481_LED2_MASK,
10488 bnx2x_cl45_write(bp, phy,
10490 MDIO_PMA_REG_8481_LED3_MASK,
10493 bnx2x_cl45_write(bp, phy,
10495 MDIO_PMA_REG_8481_LED5_MASK,
10499 bnx2x_cl45_write(bp, phy,
10501 MDIO_PMA_REG_8481_LED1_MASK,
10505 case LED_MODE_FRONT_PANEL_OFF:
10507 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
10510 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10511 SHARED_HW_CFG_LED_EXTPHY1) {
10513 /* Set LED masks */
10514 bnx2x_cl45_write(bp, phy,
10516 MDIO_PMA_REG_8481_LED1_MASK,
10519 bnx2x_cl45_write(bp, phy,
10521 MDIO_PMA_REG_8481_LED2_MASK,
10524 bnx2x_cl45_write(bp, phy,
10526 MDIO_PMA_REG_8481_LED3_MASK,
10529 bnx2x_cl45_write(bp, phy,
10531 MDIO_PMA_REG_8481_LED5_MASK,
10535 bnx2x_cl45_write(bp, phy,
10537 MDIO_PMA_REG_8481_LED1_MASK,
10540 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
10541 /* Disable MI_INT interrupt before setting LED4
10542 * source to constant off.
10544 if (REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
10547 params->link_flags |=
10548 LINK_FLAGS_INT_DISABLED;
10552 NIG_REG_MASK_INTERRUPT_PORT0 +
10556 bnx2x_cl45_write(bp, phy,
10558 MDIO_PMA_REG_8481_SIGNAL_MASK,
10565 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
10567 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10568 SHARED_HW_CFG_LED_EXTPHY1) {
10569 /* Set control reg */
10570 bnx2x_cl45_read(bp, phy,
10572 MDIO_PMA_REG_8481_LINK_SIGNAL,
10577 bnx2x_cl45_write(bp, phy,
10579 MDIO_PMA_REG_8481_LINK_SIGNAL,
10582 /* Set LED masks */
10583 bnx2x_cl45_write(bp, phy,
10585 MDIO_PMA_REG_8481_LED1_MASK,
10588 bnx2x_cl45_write(bp, phy,
10590 MDIO_PMA_REG_8481_LED2_MASK,
10593 bnx2x_cl45_write(bp, phy,
10595 MDIO_PMA_REG_8481_LED3_MASK,
10598 bnx2x_cl45_write(bp, phy,
10600 MDIO_PMA_REG_8481_LED5_MASK,
10603 bnx2x_cl45_write(bp, phy,
10605 MDIO_PMA_REG_8481_LED1_MASK,
10608 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
10609 /* Disable MI_INT interrupt before setting LED4
10610 * source to constant on.
10612 if (REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
10615 params->link_flags |=
10616 LINK_FLAGS_INT_DISABLED;
10620 NIG_REG_MASK_INTERRUPT_PORT0 +
10624 bnx2x_cl45_write(bp, phy,
10626 MDIO_PMA_REG_8481_SIGNAL_MASK,
10632 case LED_MODE_OPER:
10634 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
10636 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10637 SHARED_HW_CFG_LED_EXTPHY1) {
10639 /* Set control reg */
10640 bnx2x_cl45_read(bp, phy,
10642 MDIO_PMA_REG_8481_LINK_SIGNAL,
10646 MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
10647 >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
10648 DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
10649 bnx2x_cl45_write(bp, phy,
10651 MDIO_PMA_REG_8481_LINK_SIGNAL,
10655 /* Set LED masks */
10656 bnx2x_cl45_write(bp, phy,
10658 MDIO_PMA_REG_8481_LED1_MASK,
10661 bnx2x_cl45_write(bp, phy,
10663 MDIO_PMA_REG_8481_LED2_MASK,
10666 bnx2x_cl45_write(bp, phy,
10668 MDIO_PMA_REG_8481_LED3_MASK,
10671 bnx2x_cl45_write(bp, phy,
10673 MDIO_PMA_REG_8481_LED5_MASK,
10677 /* EXTPHY2 LED mode indicate that the 100M/1G/10G LED
10678 * sources are all wired through LED1, rather than only
10679 * 10G in other modes.
10681 val = ((params->hw_led_mode <<
10682 SHARED_HW_CFG_LED_MODE_SHIFT) ==
10683 SHARED_HW_CFG_LED_EXTPHY2) ? 0x98 : 0x80;
10685 bnx2x_cl45_write(bp, phy,
10687 MDIO_PMA_REG_8481_LED1_MASK,
10690 /* Tell LED3 to blink on source */
10691 bnx2x_cl45_read(bp, phy,
10693 MDIO_PMA_REG_8481_LINK_SIGNAL,
10696 val |= (1<<6); /* A83B[8:6]= 1 */
10697 bnx2x_cl45_write(bp, phy,
10699 MDIO_PMA_REG_8481_LINK_SIGNAL,
10702 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
10703 /* Restore LED4 source to external link,
10704 * and re-enable interrupts.
10706 bnx2x_cl45_write(bp, phy,
10708 MDIO_PMA_REG_8481_SIGNAL_MASK,
10710 if (params->link_flags &
10711 LINK_FLAGS_INT_DISABLED) {
10712 bnx2x_link_int_enable(params);
10713 params->link_flags &=
10714 ~LINK_FLAGS_INT_DISABLED;
10721 /* This is a workaround for E3+84833 until autoneg
10722 * restart is fixed in f/w
10724 if (CHIP_IS_E3(bp)) {
10725 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
10726 MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
10730 /******************************************************************/
10731 /* 54618SE PHY SECTION */
10732 /******************************************************************/
10733 static void bnx2x_54618se_specific_func(struct bnx2x_phy *phy,
10734 struct link_params *params,
10737 struct bnx2x *bp = params->bp;
10741 /* Configure LED4: set to INTR (0x6). */
10742 /* Accessing shadow register 0xe. */
10743 bnx2x_cl22_write(bp, phy,
10744 MDIO_REG_GPHY_SHADOW,
10745 MDIO_REG_GPHY_SHADOW_LED_SEL2);
10746 bnx2x_cl22_read(bp, phy,
10747 MDIO_REG_GPHY_SHADOW,
10749 temp &= ~(0xf << 4);
10750 temp |= (0x6 << 4);
10751 bnx2x_cl22_write(bp, phy,
10752 MDIO_REG_GPHY_SHADOW,
10753 MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
10754 /* Configure INTR based on link status change. */
10755 bnx2x_cl22_write(bp, phy,
10756 MDIO_REG_INTR_MASK,
10757 ~MDIO_REG_INTR_MASK_LINK_STATUS);
10762 static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
10763 struct link_params *params,
10764 struct link_vars *vars)
10766 struct bnx2x *bp = params->bp;
10768 u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
10771 DP(NETIF_MSG_LINK, "54618SE cfg init\n");
10772 usleep_range(1000, 2000);
10774 /* This works with E3 only, no need to check the chip
10775 * before determining the port.
10777 port = params->port;
10779 cfg_pin = (REG_RD(bp, params->shmem_base +
10780 offsetof(struct shmem_region,
10781 dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
10782 PORT_HW_CFG_E3_PHY_RESET_MASK) >>
10783 PORT_HW_CFG_E3_PHY_RESET_SHIFT;
10785 /* Drive pin high to bring the GPHY out of reset. */
10786 bnx2x_set_cfg_pin(bp, cfg_pin, 1);
10788 /* wait for GPHY to reset */
10792 bnx2x_cl22_write(bp, phy,
10793 MDIO_PMA_REG_CTRL, 0x8000);
10794 bnx2x_wait_reset_complete(bp, phy, params);
10796 /* Wait for GPHY to reset */
10800 bnx2x_54618se_specific_func(phy, params, PHY_INIT);
10801 /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
10802 bnx2x_cl22_write(bp, phy,
10803 MDIO_REG_GPHY_SHADOW,
10804 MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
10805 bnx2x_cl22_read(bp, phy,
10806 MDIO_REG_GPHY_SHADOW,
10808 temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
10809 bnx2x_cl22_write(bp, phy,
10810 MDIO_REG_GPHY_SHADOW,
10811 MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
10814 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
10815 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
10817 if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
10818 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
10819 fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
10821 if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
10822 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
10823 fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
10825 /* Read all advertisement */
10826 bnx2x_cl22_read(bp, phy,
10830 bnx2x_cl22_read(bp, phy,
10834 bnx2x_cl22_read(bp, phy,
10838 /* Disable forced speed */
10839 autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
10840 an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
10843 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
10844 (phy->speed_cap_mask &
10845 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
10846 (phy->req_line_speed == SPEED_1000)) {
10847 an_1000_val |= (1<<8);
10848 autoneg_val |= (1<<9 | 1<<12);
10849 if (phy->req_duplex == DUPLEX_FULL)
10850 an_1000_val |= (1<<9);
10851 DP(NETIF_MSG_LINK, "Advertising 1G\n");
10853 an_1000_val &= ~((1<<8) | (1<<9));
10855 bnx2x_cl22_write(bp, phy,
10858 bnx2x_cl22_read(bp, phy,
10862 /* Advertise 10/100 link speed */
10863 if (phy->req_line_speed == SPEED_AUTO_NEG) {
10864 if (phy->speed_cap_mask &
10865 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF) {
10866 an_10_100_val |= (1<<5);
10867 autoneg_val |= (1<<9 | 1<<12);
10868 DP(NETIF_MSG_LINK, "Advertising 10M-HD\n");
10870 if (phy->speed_cap_mask &
10871 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) {
10872 an_10_100_val |= (1<<6);
10873 autoneg_val |= (1<<9 | 1<<12);
10874 DP(NETIF_MSG_LINK, "Advertising 10M-FD\n");
10876 if (phy->speed_cap_mask &
10877 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF) {
10878 an_10_100_val |= (1<<7);
10879 autoneg_val |= (1<<9 | 1<<12);
10880 DP(NETIF_MSG_LINK, "Advertising 100M-HD\n");
10882 if (phy->speed_cap_mask &
10883 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL) {
10884 an_10_100_val |= (1<<8);
10885 autoneg_val |= (1<<9 | 1<<12);
10886 DP(NETIF_MSG_LINK, "Advertising 100M-FD\n");
10890 /* Only 10/100 are allowed to work in FORCE mode */
10891 if (phy->req_line_speed == SPEED_100) {
10892 autoneg_val |= (1<<13);
10893 /* Enabled AUTO-MDIX when autoneg is disabled */
10894 bnx2x_cl22_write(bp, phy,
10896 (1<<15 | 1<<9 | 7<<0));
10897 DP(NETIF_MSG_LINK, "Setting 100M force\n");
10899 if (phy->req_line_speed == SPEED_10) {
10900 /* Enabled AUTO-MDIX when autoneg is disabled */
10901 bnx2x_cl22_write(bp, phy,
10903 (1<<15 | 1<<9 | 7<<0));
10904 DP(NETIF_MSG_LINK, "Setting 10M force\n");
10907 if ((phy->flags & FLAGS_EEE) && bnx2x_eee_has_cap(params)) {
10910 bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS,
10911 MDIO_REG_GPHY_EXP_ACCESS_TOP |
10912 MDIO_REG_GPHY_EXP_TOP_2K_BUF);
10913 bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, &temp);
10915 bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, temp);
10917 rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_1G_ADV);
10919 DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
10920 bnx2x_eee_disable(phy, params, vars);
10921 } else if ((params->eee_mode & EEE_MODE_ADV_LPI) &&
10922 (phy->req_duplex == DUPLEX_FULL) &&
10923 (bnx2x_eee_calc_timer(params) ||
10924 !(params->eee_mode & EEE_MODE_ENABLE_LPI))) {
10925 /* Need to advertise EEE only when requested,
10926 * and either no LPI assertion was requested,
10927 * or it was requested and a valid timer was set.
10928 * Also notice full duplex is required for EEE.
10930 bnx2x_eee_advertise(phy, params, vars,
10933 DP(NETIF_MSG_LINK, "Don't Advertise 1GBase-T EEE\n");
10934 bnx2x_eee_disable(phy, params, vars);
10937 vars->eee_status &= ~SHMEM_EEE_1G_ADV <<
10938 SHMEM_EEE_SUPPORTED_SHIFT;
10940 if (phy->flags & FLAGS_EEE) {
10941 /* Handle legacy auto-grEEEn */
10942 if (params->feature_config_flags &
10943 FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
10945 DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
10948 DP(NETIF_MSG_LINK, "Don't Adv. EEE\n");
10950 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
10951 MDIO_AN_REG_EEE_ADV, temp);
10955 bnx2x_cl22_write(bp, phy,
10957 an_10_100_val | fc_val);
10959 if (phy->req_duplex == DUPLEX_FULL)
10960 autoneg_val |= (1<<8);
10962 bnx2x_cl22_write(bp, phy,
10963 MDIO_PMA_REG_CTRL, autoneg_val);
10969 static void bnx2x_5461x_set_link_led(struct bnx2x_phy *phy,
10970 struct link_params *params, u8 mode)
10972 struct bnx2x *bp = params->bp;
10975 bnx2x_cl22_write(bp, phy,
10976 MDIO_REG_GPHY_SHADOW,
10977 MDIO_REG_GPHY_SHADOW_LED_SEL1);
10978 bnx2x_cl22_read(bp, phy,
10979 MDIO_REG_GPHY_SHADOW,
10983 DP(NETIF_MSG_LINK, "54618x set link led (mode=%x)\n", mode);
10985 case LED_MODE_FRONT_PANEL_OFF:
10989 case LED_MODE_OPER:
10998 bnx2x_cl22_write(bp, phy,
10999 MDIO_REG_GPHY_SHADOW,
11000 MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
11005 static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
11006 struct link_params *params)
11008 struct bnx2x *bp = params->bp;
11012 /* In case of no EPIO routed to reset the GPHY, put it
11013 * in low power mode.
11015 bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
11016 /* This works with E3 only, no need to check the chip
11017 * before determining the port.
11019 port = params->port;
11020 cfg_pin = (REG_RD(bp, params->shmem_base +
11021 offsetof(struct shmem_region,
11022 dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
11023 PORT_HW_CFG_E3_PHY_RESET_MASK) >>
11024 PORT_HW_CFG_E3_PHY_RESET_SHIFT;
11026 /* Drive pin low to put GPHY in reset. */
11027 bnx2x_set_cfg_pin(bp, cfg_pin, 0);
11030 static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
11031 struct link_params *params,
11032 struct link_vars *vars)
11034 struct bnx2x *bp = params->bp;
11037 u16 legacy_status, legacy_speed;
11039 /* Get speed operation status */
11040 bnx2x_cl22_read(bp, phy,
11041 MDIO_REG_GPHY_AUX_STATUS,
11043 DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
11045 /* Read status to clear the PHY interrupt. */
11046 bnx2x_cl22_read(bp, phy,
11047 MDIO_REG_INTR_STATUS,
11050 link_up = ((legacy_status & (1<<2)) == (1<<2));
11053 legacy_speed = (legacy_status & (7<<8));
11054 if (legacy_speed == (7<<8)) {
11055 vars->line_speed = SPEED_1000;
11056 vars->duplex = DUPLEX_FULL;
11057 } else if (legacy_speed == (6<<8)) {
11058 vars->line_speed = SPEED_1000;
11059 vars->duplex = DUPLEX_HALF;
11060 } else if (legacy_speed == (5<<8)) {
11061 vars->line_speed = SPEED_100;
11062 vars->duplex = DUPLEX_FULL;
11064 /* Omitting 100Base-T4 for now */
11065 else if (legacy_speed == (3<<8)) {
11066 vars->line_speed = SPEED_100;
11067 vars->duplex = DUPLEX_HALF;
11068 } else if (legacy_speed == (2<<8)) {
11069 vars->line_speed = SPEED_10;
11070 vars->duplex = DUPLEX_FULL;
11071 } else if (legacy_speed == (1<<8)) {
11072 vars->line_speed = SPEED_10;
11073 vars->duplex = DUPLEX_HALF;
11074 } else /* Should not happen */
11075 vars->line_speed = 0;
11078 "Link is up in %dMbps, is_duplex_full= %d\n",
11080 (vars->duplex == DUPLEX_FULL));
11082 /* Check legacy speed AN resolution */
11083 bnx2x_cl22_read(bp, phy,
11087 vars->link_status |=
11088 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
11089 bnx2x_cl22_read(bp, phy,
11092 if ((val & (1<<0)) == 0)
11093 vars->link_status |=
11094 LINK_STATUS_PARALLEL_DETECTION_USED;
11096 DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
11099 bnx2x_ext_phy_resolve_fc(phy, params, vars);
11101 if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
11102 /* Report LP advertised speeds */
11103 bnx2x_cl22_read(bp, phy, 0x5, &val);
11106 vars->link_status |=
11107 LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
11109 vars->link_status |=
11110 LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
11112 vars->link_status |=
11113 LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
11115 vars->link_status |=
11116 LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
11118 vars->link_status |=
11119 LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
11121 bnx2x_cl22_read(bp, phy, 0xa, &val);
11123 vars->link_status |=
11124 LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
11126 vars->link_status |=
11127 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
11129 if ((phy->flags & FLAGS_EEE) &&
11130 bnx2x_eee_has_cap(params))
11131 bnx2x_eee_an_resolve(phy, params, vars);
11137 static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
11138 struct link_params *params)
11140 struct bnx2x *bp = params->bp;
11142 u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
11144 DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
11146 /* Enable master/slave manual mmode and set to master */
11147 /* mii write 9 [bits set 11 12] */
11148 bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
11150 /* forced 1G and disable autoneg */
11151 /* set val [mii read 0] */
11152 /* set val [expr $val & [bits clear 6 12 13]] */
11153 /* set val [expr $val | [bits set 6 8]] */
11154 /* mii write 0 $val */
11155 bnx2x_cl22_read(bp, phy, 0x00, &val);
11156 val &= ~((1<<6) | (1<<12) | (1<<13));
11157 val |= (1<<6) | (1<<8);
11158 bnx2x_cl22_write(bp, phy, 0x00, val);
11160 /* Set external loopback and Tx using 6dB coding */
11161 /* mii write 0x18 7 */
11162 /* set val [mii read 0x18] */
11163 /* mii write 0x18 [expr $val | [bits set 10 15]] */
11164 bnx2x_cl22_write(bp, phy, 0x18, 7);
11165 bnx2x_cl22_read(bp, phy, 0x18, &val);
11166 bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
11168 /* This register opens the gate for the UMAC despite its name */
11169 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
11171 /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
11172 * length used by the MAC receive logic to check frames.
11174 REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
11177 /******************************************************************/
11178 /* SFX7101 PHY SECTION */
11179 /******************************************************************/
11180 static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
11181 struct link_params *params)
11183 struct bnx2x *bp = params->bp;
11184 /* SFX7101_XGXS_TEST1 */
11185 bnx2x_cl45_write(bp, phy,
11186 MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
11189 static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
11190 struct link_params *params,
11191 struct link_vars *vars)
11193 u16 fw_ver1, fw_ver2, val;
11194 struct bnx2x *bp = params->bp;
11195 DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
11197 /* Restore normal power mode*/
11198 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
11199 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
11201 bnx2x_ext_phy_hw_reset(bp, params->port);
11202 bnx2x_wait_reset_complete(bp, phy, params);
11204 bnx2x_cl45_write(bp, phy,
11205 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
11206 DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
11207 bnx2x_cl45_write(bp, phy,
11208 MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
11210 bnx2x_ext_phy_set_pause(params, phy, vars);
11211 /* Restart autoneg */
11212 bnx2x_cl45_read(bp, phy,
11213 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
11215 bnx2x_cl45_write(bp, phy,
11216 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
11218 /* Save spirom version */
11219 bnx2x_cl45_read(bp, phy,
11220 MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
11222 bnx2x_cl45_read(bp, phy,
11223 MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
11224 bnx2x_save_spirom_version(bp, params->port,
11225 (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
11229 static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
11230 struct link_params *params,
11231 struct link_vars *vars)
11233 struct bnx2x *bp = params->bp;
11236 bnx2x_cl45_read(bp, phy,
11237 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
11238 bnx2x_cl45_read(bp, phy,
11239 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
11240 DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
11242 bnx2x_cl45_read(bp, phy,
11243 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
11244 bnx2x_cl45_read(bp, phy,
11245 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
11246 DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
11248 link_up = ((val1 & 4) == 4);
11249 /* If link is up print the AN outcome of the SFX7101 PHY */
11251 bnx2x_cl45_read(bp, phy,
11252 MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
11254 vars->line_speed = SPEED_10000;
11255 vars->duplex = DUPLEX_FULL;
11256 DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
11257 val2, (val2 & (1<<14)));
11258 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
11259 bnx2x_ext_phy_resolve_fc(phy, params, vars);
11261 /* Read LP advertised speeds */
11262 if (val2 & (1<<11))
11263 vars->link_status |=
11264 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
11269 static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
11273 str[0] = (spirom_ver & 0xFF);
11274 str[1] = (spirom_ver & 0xFF00) >> 8;
11275 str[2] = (spirom_ver & 0xFF0000) >> 16;
11276 str[3] = (spirom_ver & 0xFF000000) >> 24;
11282 void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
11286 bnx2x_cl45_read(bp, phy,
11288 MDIO_PMA_REG_7101_RESET, &val);
11290 for (cnt = 0; cnt < 10; cnt++) {
11292 /* Writes a self-clearing reset */
11293 bnx2x_cl45_write(bp, phy,
11295 MDIO_PMA_REG_7101_RESET,
11297 /* Wait for clear */
11298 bnx2x_cl45_read(bp, phy,
11300 MDIO_PMA_REG_7101_RESET, &val);
11302 if ((val & (1<<15)) == 0)
11307 static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
11308 struct link_params *params) {
11309 /* Low power mode is controlled by GPIO 2 */
11310 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
11311 MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
11312 /* The PHY reset is controlled by GPIO 1 */
11313 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
11314 MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
11317 static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
11318 struct link_params *params, u8 mode)
11321 struct bnx2x *bp = params->bp;
11323 case LED_MODE_FRONT_PANEL_OFF:
11330 case LED_MODE_OPER:
11334 bnx2x_cl45_write(bp, phy,
11336 MDIO_PMA_REG_7107_LINK_LED_CNTL,
11340 /******************************************************************/
11341 /* STATIC PHY DECLARATION */
11342 /******************************************************************/
11344 static const struct bnx2x_phy phy_null = {
11345 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
11348 .flags = FLAGS_INIT_XGXS_FIRST,
11349 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11350 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11353 .media_type = ETH_PHY_NOT_PRESENT,
11355 .req_flow_ctrl = 0,
11356 .req_line_speed = 0,
11357 .speed_cap_mask = 0,
11360 .config_init = (config_init_t)NULL,
11361 .read_status = (read_status_t)NULL,
11362 .link_reset = (link_reset_t)NULL,
11363 .config_loopback = (config_loopback_t)NULL,
11364 .format_fw_ver = (format_fw_ver_t)NULL,
11365 .hw_reset = (hw_reset_t)NULL,
11366 .set_link_led = (set_link_led_t)NULL,
11367 .phy_specific_func = (phy_specific_func_t)NULL
11370 static const struct bnx2x_phy phy_serdes = {
11371 .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
11375 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11376 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11378 .supported = (SUPPORTED_10baseT_Half |
11379 SUPPORTED_10baseT_Full |
11380 SUPPORTED_100baseT_Half |
11381 SUPPORTED_100baseT_Full |
11382 SUPPORTED_1000baseT_Full |
11383 SUPPORTED_2500baseX_Full |
11385 SUPPORTED_Autoneg |
11387 SUPPORTED_Asym_Pause),
11388 .media_type = ETH_PHY_BASE_T,
11390 .req_flow_ctrl = 0,
11391 .req_line_speed = 0,
11392 .speed_cap_mask = 0,
11395 .config_init = (config_init_t)bnx2x_xgxs_config_init,
11396 .read_status = (read_status_t)bnx2x_link_settings_status,
11397 .link_reset = (link_reset_t)bnx2x_int_link_reset,
11398 .config_loopback = (config_loopback_t)NULL,
11399 .format_fw_ver = (format_fw_ver_t)NULL,
11400 .hw_reset = (hw_reset_t)NULL,
11401 .set_link_led = (set_link_led_t)NULL,
11402 .phy_specific_func = (phy_specific_func_t)NULL
11405 static const struct bnx2x_phy phy_xgxs = {
11406 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
11410 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11411 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11413 .supported = (SUPPORTED_10baseT_Half |
11414 SUPPORTED_10baseT_Full |
11415 SUPPORTED_100baseT_Half |
11416 SUPPORTED_100baseT_Full |
11417 SUPPORTED_1000baseT_Full |
11418 SUPPORTED_2500baseX_Full |
11419 SUPPORTED_10000baseT_Full |
11421 SUPPORTED_Autoneg |
11423 SUPPORTED_Asym_Pause),
11424 .media_type = ETH_PHY_CX4,
11426 .req_flow_ctrl = 0,
11427 .req_line_speed = 0,
11428 .speed_cap_mask = 0,
11431 .config_init = (config_init_t)bnx2x_xgxs_config_init,
11432 .read_status = (read_status_t)bnx2x_link_settings_status,
11433 .link_reset = (link_reset_t)bnx2x_int_link_reset,
11434 .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
11435 .format_fw_ver = (format_fw_ver_t)NULL,
11436 .hw_reset = (hw_reset_t)NULL,
11437 .set_link_led = (set_link_led_t)NULL,
11438 .phy_specific_func = (phy_specific_func_t)bnx2x_xgxs_specific_func
11440 static const struct bnx2x_phy phy_warpcore = {
11441 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
11444 .flags = FLAGS_TX_ERROR_CHECK,
11445 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11446 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11448 .supported = (SUPPORTED_10baseT_Half |
11449 SUPPORTED_10baseT_Full |
11450 SUPPORTED_100baseT_Half |
11451 SUPPORTED_100baseT_Full |
11452 SUPPORTED_1000baseT_Full |
11453 SUPPORTED_10000baseT_Full |
11454 SUPPORTED_20000baseKR2_Full |
11455 SUPPORTED_20000baseMLD2_Full |
11457 SUPPORTED_Autoneg |
11459 SUPPORTED_Asym_Pause),
11460 .media_type = ETH_PHY_UNSPECIFIED,
11462 .req_flow_ctrl = 0,
11463 .req_line_speed = 0,
11464 .speed_cap_mask = 0,
11465 /* req_duplex = */0,
11467 .config_init = (config_init_t)bnx2x_warpcore_config_init,
11468 .read_status = (read_status_t)bnx2x_warpcore_read_status,
11469 .link_reset = (link_reset_t)bnx2x_warpcore_link_reset,
11470 .config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
11471 .format_fw_ver = (format_fw_ver_t)NULL,
11472 .hw_reset = (hw_reset_t)bnx2x_warpcore_hw_reset,
11473 .set_link_led = (set_link_led_t)NULL,
11474 .phy_specific_func = (phy_specific_func_t)NULL
11478 static const struct bnx2x_phy phy_7101 = {
11479 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
11482 .flags = FLAGS_FAN_FAILURE_DET_REQ,
11483 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11484 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11486 .supported = (SUPPORTED_10000baseT_Full |
11488 SUPPORTED_Autoneg |
11490 SUPPORTED_Asym_Pause),
11491 .media_type = ETH_PHY_BASE_T,
11493 .req_flow_ctrl = 0,
11494 .req_line_speed = 0,
11495 .speed_cap_mask = 0,
11498 .config_init = (config_init_t)bnx2x_7101_config_init,
11499 .read_status = (read_status_t)bnx2x_7101_read_status,
11500 .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
11501 .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
11502 .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
11503 .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
11504 .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
11505 .phy_specific_func = (phy_specific_func_t)NULL
11507 static const struct bnx2x_phy phy_8073 = {
11508 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
11512 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11513 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11515 .supported = (SUPPORTED_10000baseT_Full |
11516 SUPPORTED_2500baseX_Full |
11517 SUPPORTED_1000baseT_Full |
11519 SUPPORTED_Autoneg |
11521 SUPPORTED_Asym_Pause),
11522 .media_type = ETH_PHY_KR,
11524 .req_flow_ctrl = 0,
11525 .req_line_speed = 0,
11526 .speed_cap_mask = 0,
11529 .config_init = (config_init_t)bnx2x_8073_config_init,
11530 .read_status = (read_status_t)bnx2x_8073_read_status,
11531 .link_reset = (link_reset_t)bnx2x_8073_link_reset,
11532 .config_loopback = (config_loopback_t)NULL,
11533 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
11534 .hw_reset = (hw_reset_t)NULL,
11535 .set_link_led = (set_link_led_t)NULL,
11536 .phy_specific_func = (phy_specific_func_t)bnx2x_8073_specific_func
11538 static const struct bnx2x_phy phy_8705 = {
11539 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
11542 .flags = FLAGS_INIT_XGXS_FIRST,
11543 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11544 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11546 .supported = (SUPPORTED_10000baseT_Full |
11549 SUPPORTED_Asym_Pause),
11550 .media_type = ETH_PHY_XFP_FIBER,
11552 .req_flow_ctrl = 0,
11553 .req_line_speed = 0,
11554 .speed_cap_mask = 0,
11557 .config_init = (config_init_t)bnx2x_8705_config_init,
11558 .read_status = (read_status_t)bnx2x_8705_read_status,
11559 .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
11560 .config_loopback = (config_loopback_t)NULL,
11561 .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
11562 .hw_reset = (hw_reset_t)NULL,
11563 .set_link_led = (set_link_led_t)NULL,
11564 .phy_specific_func = (phy_specific_func_t)NULL
11566 static const struct bnx2x_phy phy_8706 = {
11567 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
11570 .flags = FLAGS_INIT_XGXS_FIRST,
11571 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11572 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11574 .supported = (SUPPORTED_10000baseT_Full |
11575 SUPPORTED_1000baseT_Full |
11578 SUPPORTED_Asym_Pause),
11579 .media_type = ETH_PHY_SFPP_10G_FIBER,
11581 .req_flow_ctrl = 0,
11582 .req_line_speed = 0,
11583 .speed_cap_mask = 0,
11586 .config_init = (config_init_t)bnx2x_8706_config_init,
11587 .read_status = (read_status_t)bnx2x_8706_read_status,
11588 .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
11589 .config_loopback = (config_loopback_t)NULL,
11590 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
11591 .hw_reset = (hw_reset_t)NULL,
11592 .set_link_led = (set_link_led_t)NULL,
11593 .phy_specific_func = (phy_specific_func_t)NULL
11596 static const struct bnx2x_phy phy_8726 = {
11597 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
11600 .flags = (FLAGS_INIT_XGXS_FIRST |
11601 FLAGS_TX_ERROR_CHECK),
11602 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11603 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11605 .supported = (SUPPORTED_10000baseT_Full |
11606 SUPPORTED_1000baseT_Full |
11607 SUPPORTED_Autoneg |
11610 SUPPORTED_Asym_Pause),
11611 .media_type = ETH_PHY_NOT_PRESENT,
11613 .req_flow_ctrl = 0,
11614 .req_line_speed = 0,
11615 .speed_cap_mask = 0,
11618 .config_init = (config_init_t)bnx2x_8726_config_init,
11619 .read_status = (read_status_t)bnx2x_8726_read_status,
11620 .link_reset = (link_reset_t)bnx2x_8726_link_reset,
11621 .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
11622 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
11623 .hw_reset = (hw_reset_t)NULL,
11624 .set_link_led = (set_link_led_t)NULL,
11625 .phy_specific_func = (phy_specific_func_t)NULL
11628 static const struct bnx2x_phy phy_8727 = {
11629 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
11632 .flags = (FLAGS_FAN_FAILURE_DET_REQ |
11633 FLAGS_TX_ERROR_CHECK),
11634 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11635 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11637 .supported = (SUPPORTED_10000baseT_Full |
11638 SUPPORTED_1000baseT_Full |
11641 SUPPORTED_Asym_Pause),
11642 .media_type = ETH_PHY_NOT_PRESENT,
11644 .req_flow_ctrl = 0,
11645 .req_line_speed = 0,
11646 .speed_cap_mask = 0,
11649 .config_init = (config_init_t)bnx2x_8727_config_init,
11650 .read_status = (read_status_t)bnx2x_8727_read_status,
11651 .link_reset = (link_reset_t)bnx2x_8727_link_reset,
11652 .config_loopback = (config_loopback_t)NULL,
11653 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
11654 .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
11655 .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
11656 .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
11658 static const struct bnx2x_phy phy_8481 = {
11659 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
11662 .flags = FLAGS_FAN_FAILURE_DET_REQ |
11663 FLAGS_REARM_LATCH_SIGNAL,
11664 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11665 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11667 .supported = (SUPPORTED_10baseT_Half |
11668 SUPPORTED_10baseT_Full |
11669 SUPPORTED_100baseT_Half |
11670 SUPPORTED_100baseT_Full |
11671 SUPPORTED_1000baseT_Full |
11672 SUPPORTED_10000baseT_Full |
11674 SUPPORTED_Autoneg |
11676 SUPPORTED_Asym_Pause),
11677 .media_type = ETH_PHY_BASE_T,
11679 .req_flow_ctrl = 0,
11680 .req_line_speed = 0,
11681 .speed_cap_mask = 0,
11684 .config_init = (config_init_t)bnx2x_8481_config_init,
11685 .read_status = (read_status_t)bnx2x_848xx_read_status,
11686 .link_reset = (link_reset_t)bnx2x_8481_link_reset,
11687 .config_loopback = (config_loopback_t)NULL,
11688 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
11689 .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
11690 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
11691 .phy_specific_func = (phy_specific_func_t)NULL
11694 static const struct bnx2x_phy phy_84823 = {
11695 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
11698 .flags = (FLAGS_FAN_FAILURE_DET_REQ |
11699 FLAGS_REARM_LATCH_SIGNAL |
11700 FLAGS_TX_ERROR_CHECK),
11701 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11702 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11704 .supported = (SUPPORTED_10baseT_Half |
11705 SUPPORTED_10baseT_Full |
11706 SUPPORTED_100baseT_Half |
11707 SUPPORTED_100baseT_Full |
11708 SUPPORTED_1000baseT_Full |
11709 SUPPORTED_10000baseT_Full |
11711 SUPPORTED_Autoneg |
11713 SUPPORTED_Asym_Pause),
11714 .media_type = ETH_PHY_BASE_T,
11716 .req_flow_ctrl = 0,
11717 .req_line_speed = 0,
11718 .speed_cap_mask = 0,
11721 .config_init = (config_init_t)bnx2x_848x3_config_init,
11722 .read_status = (read_status_t)bnx2x_848xx_read_status,
11723 .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
11724 .config_loopback = (config_loopback_t)NULL,
11725 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
11726 .hw_reset = (hw_reset_t)NULL,
11727 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
11728 .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
11731 static const struct bnx2x_phy phy_84833 = {
11732 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
11735 .flags = (FLAGS_FAN_FAILURE_DET_REQ |
11736 FLAGS_REARM_LATCH_SIGNAL |
11737 FLAGS_TX_ERROR_CHECK),
11738 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11739 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11741 .supported = (SUPPORTED_100baseT_Half |
11742 SUPPORTED_100baseT_Full |
11743 SUPPORTED_1000baseT_Full |
11744 SUPPORTED_10000baseT_Full |
11746 SUPPORTED_Autoneg |
11748 SUPPORTED_Asym_Pause),
11749 .media_type = ETH_PHY_BASE_T,
11751 .req_flow_ctrl = 0,
11752 .req_line_speed = 0,
11753 .speed_cap_mask = 0,
11756 .config_init = (config_init_t)bnx2x_848x3_config_init,
11757 .read_status = (read_status_t)bnx2x_848xx_read_status,
11758 .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
11759 .config_loopback = (config_loopback_t)NULL,
11760 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
11761 .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
11762 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
11763 .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
11766 static const struct bnx2x_phy phy_84834 = {
11767 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834,
11770 .flags = FLAGS_FAN_FAILURE_DET_REQ |
11771 FLAGS_REARM_LATCH_SIGNAL,
11772 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11773 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11775 .supported = (SUPPORTED_100baseT_Half |
11776 SUPPORTED_100baseT_Full |
11777 SUPPORTED_1000baseT_Full |
11778 SUPPORTED_10000baseT_Full |
11780 SUPPORTED_Autoneg |
11782 SUPPORTED_Asym_Pause),
11783 .media_type = ETH_PHY_BASE_T,
11785 .req_flow_ctrl = 0,
11786 .req_line_speed = 0,
11787 .speed_cap_mask = 0,
11790 .config_init = (config_init_t)bnx2x_848x3_config_init,
11791 .read_status = (read_status_t)bnx2x_848xx_read_status,
11792 .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
11793 .config_loopback = (config_loopback_t)NULL,
11794 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
11795 .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
11796 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
11797 .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
11800 static const struct bnx2x_phy phy_54618se = {
11801 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
11804 .flags = FLAGS_INIT_XGXS_FIRST,
11805 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11806 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11808 .supported = (SUPPORTED_10baseT_Half |
11809 SUPPORTED_10baseT_Full |
11810 SUPPORTED_100baseT_Half |
11811 SUPPORTED_100baseT_Full |
11812 SUPPORTED_1000baseT_Full |
11814 SUPPORTED_Autoneg |
11816 SUPPORTED_Asym_Pause),
11817 .media_type = ETH_PHY_BASE_T,
11819 .req_flow_ctrl = 0,
11820 .req_line_speed = 0,
11821 .speed_cap_mask = 0,
11822 /* req_duplex = */0,
11824 .config_init = (config_init_t)bnx2x_54618se_config_init,
11825 .read_status = (read_status_t)bnx2x_54618se_read_status,
11826 .link_reset = (link_reset_t)bnx2x_54618se_link_reset,
11827 .config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
11828 .format_fw_ver = (format_fw_ver_t)NULL,
11829 .hw_reset = (hw_reset_t)NULL,
11830 .set_link_led = (set_link_led_t)bnx2x_5461x_set_link_led,
11831 .phy_specific_func = (phy_specific_func_t)bnx2x_54618se_specific_func
11833 /*****************************************************************/
11835 /* Populate the phy according. Main function: bnx2x_populate_phy */
11837 /*****************************************************************/
11839 static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
11840 struct bnx2x_phy *phy, u8 port,
11843 /* Get the 4 lanes xgxs config rx and tx */
11844 u32 rx = 0, tx = 0, i;
11845 for (i = 0; i < 2; i++) {
11846 /* INT_PHY and EXT_PHY1 share the same value location in
11847 * the shmem. When num_phys is greater than 1, than this value
11848 * applies only to EXT_PHY1
11850 if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
11851 rx = REG_RD(bp, shmem_base +
11852 offsetof(struct shmem_region,
11853 dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
11855 tx = REG_RD(bp, shmem_base +
11856 offsetof(struct shmem_region,
11857 dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
11859 rx = REG_RD(bp, shmem_base +
11860 offsetof(struct shmem_region,
11861 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
11863 tx = REG_RD(bp, shmem_base +
11864 offsetof(struct shmem_region,
11865 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
11868 phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
11869 phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
11871 phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
11872 phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
11876 static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
11877 u8 phy_index, u8 port)
11879 u32 ext_phy_config = 0;
11880 switch (phy_index) {
11882 ext_phy_config = REG_RD(bp, shmem_base +
11883 offsetof(struct shmem_region,
11884 dev_info.port_hw_config[port].external_phy_config));
11887 ext_phy_config = REG_RD(bp, shmem_base +
11888 offsetof(struct shmem_region,
11889 dev_info.port_hw_config[port].external_phy_config2));
11892 DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
11896 return ext_phy_config;
11898 static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
11899 struct bnx2x_phy *phy)
11903 u32 switch_cfg = (REG_RD(bp, shmem_base +
11904 offsetof(struct shmem_region,
11905 dev_info.port_feature_config[port].link_config)) &
11906 PORT_FEATURE_CONNECTED_SWITCH_MASK);
11907 chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
11908 ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
11910 DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
11911 if (USES_WARPCORE(bp)) {
11913 phy_addr = REG_RD(bp,
11914 MISC_REG_WC0_CTRL_PHY_ADDR);
11915 *phy = phy_warpcore;
11916 if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
11917 phy->flags |= FLAGS_4_PORT_MODE;
11919 phy->flags &= ~FLAGS_4_PORT_MODE;
11920 /* Check Dual mode */
11921 serdes_net_if = (REG_RD(bp, shmem_base +
11922 offsetof(struct shmem_region, dev_info.
11923 port_hw_config[port].default_cfg)) &
11924 PORT_HW_CFG_NET_SERDES_IF_MASK);
11925 /* Set the appropriate supported and flags indications per
11926 * interface type of the chip
11928 switch (serdes_net_if) {
11929 case PORT_HW_CFG_NET_SERDES_IF_SGMII:
11930 phy->supported &= (SUPPORTED_10baseT_Half |
11931 SUPPORTED_10baseT_Full |
11932 SUPPORTED_100baseT_Half |
11933 SUPPORTED_100baseT_Full |
11934 SUPPORTED_1000baseT_Full |
11936 SUPPORTED_Autoneg |
11938 SUPPORTED_Asym_Pause);
11939 phy->media_type = ETH_PHY_BASE_T;
11941 case PORT_HW_CFG_NET_SERDES_IF_XFI:
11942 phy->supported &= (SUPPORTED_1000baseT_Full |
11943 SUPPORTED_10000baseT_Full |
11946 SUPPORTED_Asym_Pause);
11947 phy->media_type = ETH_PHY_XFP_FIBER;
11949 case PORT_HW_CFG_NET_SERDES_IF_SFI:
11950 phy->supported &= (SUPPORTED_1000baseT_Full |
11951 SUPPORTED_10000baseT_Full |
11954 SUPPORTED_Asym_Pause);
11955 phy->media_type = ETH_PHY_SFPP_10G_FIBER;
11957 case PORT_HW_CFG_NET_SERDES_IF_KR:
11958 phy->media_type = ETH_PHY_KR;
11959 phy->supported &= (SUPPORTED_1000baseT_Full |
11960 SUPPORTED_10000baseT_Full |
11962 SUPPORTED_Autoneg |
11964 SUPPORTED_Asym_Pause);
11966 case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
11967 phy->media_type = ETH_PHY_KR;
11968 phy->flags |= FLAGS_WC_DUAL_MODE;
11969 phy->supported &= (SUPPORTED_20000baseMLD2_Full |
11972 SUPPORTED_Asym_Pause);
11974 case PORT_HW_CFG_NET_SERDES_IF_KR2:
11975 phy->media_type = ETH_PHY_KR;
11976 phy->flags |= FLAGS_WC_DUAL_MODE;
11977 phy->supported &= (SUPPORTED_20000baseKR2_Full |
11978 SUPPORTED_10000baseT_Full |
11979 SUPPORTED_1000baseT_Full |
11980 SUPPORTED_Autoneg |
11983 SUPPORTED_Asym_Pause);
11984 phy->flags &= ~FLAGS_TX_ERROR_CHECK;
11987 DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
11992 /* Enable MDC/MDIO work-around for E3 A0 since free running MDC
11993 * was not set as expected. For B0, ECO will be enabled so there
11994 * won't be an issue there
11996 if (CHIP_REV(bp) == CHIP_REV_Ax)
11997 phy->flags |= FLAGS_MDC_MDIO_WA;
11999 phy->flags |= FLAGS_MDC_MDIO_WA_B0;
12001 switch (switch_cfg) {
12002 case SWITCH_CFG_1G:
12003 phy_addr = REG_RD(bp,
12004 NIG_REG_SERDES0_CTRL_PHY_ADDR +
12008 case SWITCH_CFG_10G:
12009 phy_addr = REG_RD(bp,
12010 NIG_REG_XGXS0_CTRL_PHY_ADDR +
12015 DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
12019 phy->addr = (u8)phy_addr;
12020 phy->mdio_ctrl = bnx2x_get_emac_base(bp,
12021 SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
12023 if (CHIP_IS_E2(bp))
12024 phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
12026 phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
12028 DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
12029 port, phy->addr, phy->mdio_ctrl);
12031 bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
12035 static int bnx2x_populate_ext_phy(struct bnx2x *bp,
12040 struct bnx2x_phy *phy)
12042 u32 ext_phy_config, phy_type, config2;
12043 u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
12044 ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
12046 phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
12047 /* Select the phy type */
12048 switch (phy_type) {
12049 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
12050 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
12053 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
12056 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
12059 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
12060 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
12063 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
12064 /* BCM8727_NOC => BCM8727 no over current */
12065 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
12067 phy->flags |= FLAGS_NOC;
12069 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
12070 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
12071 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
12074 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
12077 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
12080 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
12083 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
12086 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
12087 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
12088 *phy = phy_54618se;
12089 if (phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
12090 phy->flags |= FLAGS_EEE;
12092 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
12095 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
12100 /* In case external PHY wasn't found */
12101 if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
12102 (phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
12107 phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
12108 bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
12110 /* The shmem address of the phy version is located on different
12111 * structures. In case this structure is too old, do not set
12114 config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
12115 dev_info.shared_hw_config.config2));
12116 if (phy_index == EXT_PHY1) {
12117 phy->ver_addr = shmem_base + offsetof(struct shmem_region,
12118 port_mb[port].ext_phy_fw_version);
12120 /* Check specific mdc mdio settings */
12121 if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
12122 mdc_mdio_access = config2 &
12123 SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
12125 u32 size = REG_RD(bp, shmem2_base);
12128 offsetof(struct shmem2_region, ext_phy_fw_version2)) {
12129 phy->ver_addr = shmem2_base +
12130 offsetof(struct shmem2_region,
12131 ext_phy_fw_version2[port]);
12133 /* Check specific mdc mdio settings */
12134 if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
12135 mdc_mdio_access = (config2 &
12136 SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
12137 (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
12138 SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
12140 phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
12142 if (((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
12143 (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) &&
12145 /* Remove 100Mb link supported for BCM84833/4 when phy fw
12146 * version lower than or equal to 1.39
12148 u32 raw_ver = REG_RD(bp, phy->ver_addr);
12149 if (((raw_ver & 0x7F) <= 39) &&
12150 (((raw_ver & 0xF80) >> 7) <= 1))
12151 phy->supported &= ~(SUPPORTED_100baseT_Half |
12152 SUPPORTED_100baseT_Full);
12155 DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
12156 phy_type, port, phy_index);
12157 DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
12158 phy->addr, phy->mdio_ctrl);
12162 static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
12163 u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
12166 phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
12167 if (phy_index == INT_PHY)
12168 return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
12169 status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
12174 static void bnx2x_phy_def_cfg(struct link_params *params,
12175 struct bnx2x_phy *phy,
12178 struct bnx2x *bp = params->bp;
12180 /* Populate the default phy configuration for MF mode */
12181 if (phy_index == EXT_PHY2) {
12182 link_config = REG_RD(bp, params->shmem_base +
12183 offsetof(struct shmem_region, dev_info.
12184 port_feature_config[params->port].link_config2));
12185 phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
12186 offsetof(struct shmem_region,
12188 port_hw_config[params->port].speed_capability_mask2));
12190 link_config = REG_RD(bp, params->shmem_base +
12191 offsetof(struct shmem_region, dev_info.
12192 port_feature_config[params->port].link_config));
12193 phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
12194 offsetof(struct shmem_region,
12196 port_hw_config[params->port].speed_capability_mask));
12199 "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
12200 phy_index, link_config, phy->speed_cap_mask);
12202 phy->req_duplex = DUPLEX_FULL;
12203 switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
12204 case PORT_FEATURE_LINK_SPEED_10M_HALF:
12205 phy->req_duplex = DUPLEX_HALF;
12206 case PORT_FEATURE_LINK_SPEED_10M_FULL:
12207 phy->req_line_speed = SPEED_10;
12209 case PORT_FEATURE_LINK_SPEED_100M_HALF:
12210 phy->req_duplex = DUPLEX_HALF;
12211 case PORT_FEATURE_LINK_SPEED_100M_FULL:
12212 phy->req_line_speed = SPEED_100;
12214 case PORT_FEATURE_LINK_SPEED_1G:
12215 phy->req_line_speed = SPEED_1000;
12217 case PORT_FEATURE_LINK_SPEED_2_5G:
12218 phy->req_line_speed = SPEED_2500;
12220 case PORT_FEATURE_LINK_SPEED_10G_CX4:
12221 phy->req_line_speed = SPEED_10000;
12224 phy->req_line_speed = SPEED_AUTO_NEG;
12228 switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
12229 case PORT_FEATURE_FLOW_CONTROL_AUTO:
12230 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
12232 case PORT_FEATURE_FLOW_CONTROL_TX:
12233 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
12235 case PORT_FEATURE_FLOW_CONTROL_RX:
12236 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
12238 case PORT_FEATURE_FLOW_CONTROL_BOTH:
12239 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
12242 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12247 u32 bnx2x_phy_selection(struct link_params *params)
12249 u32 phy_config_swapped, prio_cfg;
12250 u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
12252 phy_config_swapped = params->multi_phy_config &
12253 PORT_HW_CFG_PHY_SWAPPED_ENABLED;
12255 prio_cfg = params->multi_phy_config &
12256 PORT_HW_CFG_PHY_SELECTION_MASK;
12258 if (phy_config_swapped) {
12259 switch (prio_cfg) {
12260 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
12261 return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
12263 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
12264 return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
12266 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
12267 return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
12269 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
12270 return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
12274 return_cfg = prio_cfg;
12279 int bnx2x_phy_probe(struct link_params *params)
12281 u8 phy_index, actual_phy_idx;
12282 u32 phy_config_swapped, sync_offset, media_types;
12283 struct bnx2x *bp = params->bp;
12284 struct bnx2x_phy *phy;
12285 params->num_phys = 0;
12286 DP(NETIF_MSG_LINK, "Begin phy probe\n");
12287 phy_config_swapped = params->multi_phy_config &
12288 PORT_HW_CFG_PHY_SWAPPED_ENABLED;
12290 for (phy_index = INT_PHY; phy_index < MAX_PHYS;
12292 actual_phy_idx = phy_index;
12293 if (phy_config_swapped) {
12294 if (phy_index == EXT_PHY1)
12295 actual_phy_idx = EXT_PHY2;
12296 else if (phy_index == EXT_PHY2)
12297 actual_phy_idx = EXT_PHY1;
12299 DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
12300 " actual_phy_idx %x\n", phy_config_swapped,
12301 phy_index, actual_phy_idx);
12302 phy = ¶ms->phy[actual_phy_idx];
12303 if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
12304 params->shmem2_base, params->port,
12306 params->num_phys = 0;
12307 DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
12309 for (phy_index = INT_PHY;
12310 phy_index < MAX_PHYS;
12315 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
12318 if (params->feature_config_flags &
12319 FEATURE_CONFIG_DISABLE_REMOTE_FAULT_DET)
12320 phy->flags &= ~FLAGS_TX_ERROR_CHECK;
12322 if (!(params->feature_config_flags &
12323 FEATURE_CONFIG_MT_SUPPORT))
12324 phy->flags |= FLAGS_MDC_MDIO_WA_G;
12326 sync_offset = params->shmem_base +
12327 offsetof(struct shmem_region,
12328 dev_info.port_hw_config[params->port].media_type);
12329 media_types = REG_RD(bp, sync_offset);
12331 /* Update media type for non-PMF sync only for the first time
12332 * In case the media type changes afterwards, it will be updated
12333 * using the update_status function
12335 if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
12336 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
12337 actual_phy_idx))) == 0) {
12338 media_types |= ((phy->media_type &
12339 PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
12340 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
12343 REG_WR(bp, sync_offset, media_types);
12345 bnx2x_phy_def_cfg(params, phy, phy_index);
12346 params->num_phys++;
12349 DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
12353 static void bnx2x_init_bmac_loopback(struct link_params *params,
12354 struct link_vars *vars)
12356 struct bnx2x *bp = params->bp;
12358 vars->line_speed = SPEED_10000;
12359 vars->duplex = DUPLEX_FULL;
12360 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12361 vars->mac_type = MAC_TYPE_BMAC;
12363 vars->phy_flags = PHY_XGXS_FLAG;
12365 bnx2x_xgxs_deassert(params);
12367 /* Set bmac loopback */
12368 bnx2x_bmac_enable(params, vars, 1, 1);
12370 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12373 static void bnx2x_init_emac_loopback(struct link_params *params,
12374 struct link_vars *vars)
12376 struct bnx2x *bp = params->bp;
12378 vars->line_speed = SPEED_1000;
12379 vars->duplex = DUPLEX_FULL;
12380 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12381 vars->mac_type = MAC_TYPE_EMAC;
12383 vars->phy_flags = PHY_XGXS_FLAG;
12385 bnx2x_xgxs_deassert(params);
12386 /* Set bmac loopback */
12387 bnx2x_emac_enable(params, vars, 1);
12388 bnx2x_emac_program(params, vars);
12389 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12392 static void bnx2x_init_xmac_loopback(struct link_params *params,
12393 struct link_vars *vars)
12395 struct bnx2x *bp = params->bp;
12397 if (!params->req_line_speed[0])
12398 vars->line_speed = SPEED_10000;
12400 vars->line_speed = params->req_line_speed[0];
12401 vars->duplex = DUPLEX_FULL;
12402 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12403 vars->mac_type = MAC_TYPE_XMAC;
12404 vars->phy_flags = PHY_XGXS_FLAG;
12405 /* Set WC to loopback mode since link is required to provide clock
12406 * to the XMAC in 20G mode
12408 bnx2x_set_aer_mmd(params, ¶ms->phy[0]);
12409 bnx2x_warpcore_reset_lane(bp, ¶ms->phy[0], 0);
12410 params->phy[INT_PHY].config_loopback(
12411 ¶ms->phy[INT_PHY],
12414 bnx2x_xmac_enable(params, vars, 1);
12415 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12418 static void bnx2x_init_umac_loopback(struct link_params *params,
12419 struct link_vars *vars)
12421 struct bnx2x *bp = params->bp;
12423 vars->line_speed = SPEED_1000;
12424 vars->duplex = DUPLEX_FULL;
12425 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12426 vars->mac_type = MAC_TYPE_UMAC;
12427 vars->phy_flags = PHY_XGXS_FLAG;
12428 bnx2x_umac_enable(params, vars, 1);
12430 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12433 static void bnx2x_init_xgxs_loopback(struct link_params *params,
12434 struct link_vars *vars)
12436 struct bnx2x *bp = params->bp;
12437 struct bnx2x_phy *int_phy = ¶ms->phy[INT_PHY];
12439 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12440 vars->duplex = DUPLEX_FULL;
12441 if (params->req_line_speed[0] == SPEED_1000)
12442 vars->line_speed = SPEED_1000;
12443 else if ((params->req_line_speed[0] == SPEED_20000) ||
12444 (int_phy->flags & FLAGS_WC_DUAL_MODE))
12445 vars->line_speed = SPEED_20000;
12447 vars->line_speed = SPEED_10000;
12449 if (!USES_WARPCORE(bp))
12450 bnx2x_xgxs_deassert(params);
12451 bnx2x_link_initialize(params, vars);
12453 if (params->req_line_speed[0] == SPEED_1000) {
12454 if (USES_WARPCORE(bp))
12455 bnx2x_umac_enable(params, vars, 0);
12457 bnx2x_emac_program(params, vars);
12458 bnx2x_emac_enable(params, vars, 0);
12461 if (USES_WARPCORE(bp))
12462 bnx2x_xmac_enable(params, vars, 0);
12464 bnx2x_bmac_enable(params, vars, 0, 1);
12467 if (params->loopback_mode == LOOPBACK_XGXS) {
12468 /* Set 10G XGXS loopback */
12469 int_phy->config_loopback(int_phy, params);
12471 /* Set external phy loopback */
12473 for (phy_index = EXT_PHY1;
12474 phy_index < params->num_phys; phy_index++)
12475 if (params->phy[phy_index].config_loopback)
12476 params->phy[phy_index].config_loopback(
12477 ¶ms->phy[phy_index],
12480 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12482 bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
12485 void bnx2x_set_rx_filter(struct link_params *params, u8 en)
12487 struct bnx2x *bp = params->bp;
12488 u8 val = en * 0x1F;
12490 /* Open / close the gate between the NIG and the BRB */
12491 if (!CHIP_IS_E1x(bp))
12493 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + params->port*4, val);
12495 if (!CHIP_IS_E1(bp)) {
12496 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + params->port*4,
12500 REG_WR(bp, (params->port ? NIG_REG_LLH1_BRB1_NOT_MCP :
12501 NIG_REG_LLH0_BRB1_NOT_MCP), en);
12503 static int bnx2x_avoid_link_flap(struct link_params *params,
12504 struct link_vars *vars)
12507 u32 dont_clear_stat, lfa_sts;
12508 struct bnx2x *bp = params->bp;
12510 /* Sync the link parameters */
12511 bnx2x_link_status_update(params, vars);
12514 * The module verification was already done by previous link owner,
12515 * so this call is meant only to get warning message
12518 for (phy_idx = INT_PHY; phy_idx < params->num_phys; phy_idx++) {
12519 struct bnx2x_phy *phy = ¶ms->phy[phy_idx];
12520 if (phy->phy_specific_func) {
12521 DP(NETIF_MSG_LINK, "Calling PHY specific func\n");
12522 phy->phy_specific_func(phy, params, PHY_INIT);
12524 if ((phy->media_type == ETH_PHY_SFPP_10G_FIBER) ||
12525 (phy->media_type == ETH_PHY_SFP_1G_FIBER) ||
12526 (phy->media_type == ETH_PHY_DA_TWINAX))
12527 bnx2x_verify_sfp_module(phy, params);
12529 lfa_sts = REG_RD(bp, params->lfa_base +
12530 offsetof(struct shmem_lfa,
12533 dont_clear_stat = lfa_sts & SHMEM_LFA_DONT_CLEAR_STAT;
12535 /* Re-enable the NIG/MAC */
12536 if (CHIP_IS_E3(bp)) {
12537 if (!dont_clear_stat) {
12538 REG_WR(bp, GRCBASE_MISC +
12539 MISC_REGISTERS_RESET_REG_2_CLEAR,
12540 (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
12542 REG_WR(bp, GRCBASE_MISC +
12543 MISC_REGISTERS_RESET_REG_2_SET,
12544 (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
12547 if (vars->line_speed < SPEED_10000)
12548 bnx2x_umac_enable(params, vars, 0);
12550 bnx2x_xmac_enable(params, vars, 0);
12552 if (vars->line_speed < SPEED_10000)
12553 bnx2x_emac_enable(params, vars, 0);
12555 bnx2x_bmac_enable(params, vars, 0, !dont_clear_stat);
12558 /* Increment LFA count */
12559 lfa_sts = ((lfa_sts & ~LINK_FLAP_AVOIDANCE_COUNT_MASK) |
12560 (((((lfa_sts & LINK_FLAP_AVOIDANCE_COUNT_MASK) >>
12561 LINK_FLAP_AVOIDANCE_COUNT_OFFSET) + 1) & 0xff)
12562 << LINK_FLAP_AVOIDANCE_COUNT_OFFSET));
12563 /* Clear link flap reason */
12564 lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
12566 REG_WR(bp, params->lfa_base +
12567 offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
12569 /* Disable NIG DRAIN */
12570 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12572 /* Enable interrupts */
12573 bnx2x_link_int_enable(params);
12577 static void bnx2x_cannot_avoid_link_flap(struct link_params *params,
12578 struct link_vars *vars,
12581 u32 lfa_sts, cfg_idx, tmp_val;
12582 struct bnx2x *bp = params->bp;
12584 bnx2x_link_reset(params, vars, 1);
12586 if (!params->lfa_base)
12588 /* Store the new link parameters */
12589 REG_WR(bp, params->lfa_base +
12590 offsetof(struct shmem_lfa, req_duplex),
12591 params->req_duplex[0] | (params->req_duplex[1] << 16));
12593 REG_WR(bp, params->lfa_base +
12594 offsetof(struct shmem_lfa, req_flow_ctrl),
12595 params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16));
12597 REG_WR(bp, params->lfa_base +
12598 offsetof(struct shmem_lfa, req_line_speed),
12599 params->req_line_speed[0] | (params->req_line_speed[1] << 16));
12601 for (cfg_idx = 0; cfg_idx < SHMEM_LINK_CONFIG_SIZE; cfg_idx++) {
12602 REG_WR(bp, params->lfa_base +
12603 offsetof(struct shmem_lfa,
12604 speed_cap_mask[cfg_idx]),
12605 params->speed_cap_mask[cfg_idx]);
12608 tmp_val = REG_RD(bp, params->lfa_base +
12609 offsetof(struct shmem_lfa, additional_config));
12610 tmp_val &= ~REQ_FC_AUTO_ADV_MASK;
12611 tmp_val |= params->req_fc_auto_adv;
12613 REG_WR(bp, params->lfa_base +
12614 offsetof(struct shmem_lfa, additional_config), tmp_val);
12616 lfa_sts = REG_RD(bp, params->lfa_base +
12617 offsetof(struct shmem_lfa, lfa_sts));
12619 /* Clear the "Don't Clear Statistics" bit, and set reason */
12620 lfa_sts &= ~SHMEM_LFA_DONT_CLEAR_STAT;
12622 /* Set link flap reason */
12623 lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
12624 lfa_sts |= ((lfa_status & LFA_LINK_FLAP_REASON_MASK) <<
12625 LFA_LINK_FLAP_REASON_OFFSET);
12627 /* Increment link flap counter */
12628 lfa_sts = ((lfa_sts & ~LINK_FLAP_COUNT_MASK) |
12629 (((((lfa_sts & LINK_FLAP_COUNT_MASK) >>
12630 LINK_FLAP_COUNT_OFFSET) + 1) & 0xff)
12631 << LINK_FLAP_COUNT_OFFSET));
12632 REG_WR(bp, params->lfa_base +
12633 offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
12634 /* Proceed with regular link initialization */
12637 int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
12640 struct bnx2x *bp = params->bp;
12641 DP(NETIF_MSG_LINK, "Phy Initialization started\n");
12642 DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
12643 params->req_line_speed[0], params->req_flow_ctrl[0]);
12644 DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
12645 params->req_line_speed[1], params->req_flow_ctrl[1]);
12646 DP(NETIF_MSG_LINK, "req_adv_flow_ctrl 0x%x\n", params->req_fc_auto_adv);
12647 vars->link_status = 0;
12648 vars->phy_link_up = 0;
12650 vars->line_speed = 0;
12651 vars->duplex = DUPLEX_FULL;
12652 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12653 vars->mac_type = MAC_TYPE_NONE;
12654 vars->phy_flags = 0;
12655 vars->check_kr2_recovery_cnt = 0;
12656 params->link_flags = PHY_INITIALIZED;
12657 /* Driver opens NIG-BRB filters */
12658 bnx2x_set_rx_filter(params, 1);
12659 /* Check if link flap can be avoided */
12660 lfa_status = bnx2x_check_lfa(params);
12662 if (lfa_status == 0) {
12663 DP(NETIF_MSG_LINK, "Link Flap Avoidance in progress\n");
12664 return bnx2x_avoid_link_flap(params, vars);
12667 DP(NETIF_MSG_LINK, "Cannot avoid link flap lfa_sta=0x%x\n",
12669 bnx2x_cannot_avoid_link_flap(params, vars, lfa_status);
12671 /* Disable attentions */
12672 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
12673 (NIG_MASK_XGXS0_LINK_STATUS |
12674 NIG_MASK_XGXS0_LINK10G |
12675 NIG_MASK_SERDES0_LINK_STATUS |
12678 bnx2x_emac_init(params, vars);
12680 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
12681 vars->link_status |= LINK_STATUS_PFC_ENABLED;
12683 if (params->num_phys == 0) {
12684 DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
12687 set_phy_vars(params, vars);
12689 DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
12690 switch (params->loopback_mode) {
12691 case LOOPBACK_BMAC:
12692 bnx2x_init_bmac_loopback(params, vars);
12694 case LOOPBACK_EMAC:
12695 bnx2x_init_emac_loopback(params, vars);
12697 case LOOPBACK_XMAC:
12698 bnx2x_init_xmac_loopback(params, vars);
12700 case LOOPBACK_UMAC:
12701 bnx2x_init_umac_loopback(params, vars);
12703 case LOOPBACK_XGXS:
12704 case LOOPBACK_EXT_PHY:
12705 bnx2x_init_xgxs_loopback(params, vars);
12708 if (!CHIP_IS_E3(bp)) {
12709 if (params->switch_cfg == SWITCH_CFG_10G)
12710 bnx2x_xgxs_deassert(params);
12712 bnx2x_serdes_deassert(bp, params->port);
12714 bnx2x_link_initialize(params, vars);
12716 bnx2x_link_int_enable(params);
12719 bnx2x_update_mng(params, vars->link_status);
12721 bnx2x_update_mng_eee(params, vars->eee_status);
12725 int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
12728 struct bnx2x *bp = params->bp;
12729 u8 phy_index, port = params->port, clear_latch_ind = 0;
12730 DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
12731 /* Disable attentions */
12732 vars->link_status = 0;
12733 bnx2x_update_mng(params, vars->link_status);
12734 vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
12735 SHMEM_EEE_ACTIVE_BIT);
12736 bnx2x_update_mng_eee(params, vars->eee_status);
12737 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
12738 (NIG_MASK_XGXS0_LINK_STATUS |
12739 NIG_MASK_XGXS0_LINK10G |
12740 NIG_MASK_SERDES0_LINK_STATUS |
12743 /* Activate nig drain */
12744 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
12746 /* Disable nig egress interface */
12747 if (!CHIP_IS_E3(bp)) {
12748 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
12749 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
12752 if (!CHIP_IS_E3(bp)) {
12753 bnx2x_set_bmac_rx(bp, params->chip_id, port, 0);
12755 bnx2x_set_xmac_rxtx(params, 0);
12756 bnx2x_set_umac_rxtx(params, 0);
12759 if (!CHIP_IS_E3(bp))
12760 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
12762 usleep_range(10000, 20000);
12763 /* The PHY reset is controlled by GPIO 1
12764 * Hold it as vars low
12766 /* Clear link led */
12767 bnx2x_set_mdio_emac_per_phy(bp, params);
12768 bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
12770 if (reset_ext_phy) {
12771 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
12773 if (params->phy[phy_index].link_reset) {
12774 bnx2x_set_aer_mmd(params,
12775 ¶ms->phy[phy_index]);
12776 params->phy[phy_index].link_reset(
12777 ¶ms->phy[phy_index],
12780 if (params->phy[phy_index].flags &
12781 FLAGS_REARM_LATCH_SIGNAL)
12782 clear_latch_ind = 1;
12786 if (clear_latch_ind) {
12787 /* Clear latching indication */
12788 bnx2x_rearm_latch_signal(bp, port, 0);
12789 bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
12790 1 << NIG_LATCH_BC_ENABLE_MI_INT);
12792 if (params->phy[INT_PHY].link_reset)
12793 params->phy[INT_PHY].link_reset(
12794 ¶ms->phy[INT_PHY], params);
12796 /* Disable nig ingress interface */
12797 if (!CHIP_IS_E3(bp)) {
12799 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
12800 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
12801 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
12802 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
12804 u32 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
12805 bnx2x_set_xumac_nig(params, 0, 0);
12806 if (REG_RD(bp, MISC_REG_RESET_REG_2) &
12807 MISC_REGISTERS_RESET_REG_2_XMAC)
12808 REG_WR(bp, xmac_base + XMAC_REG_CTRL,
12809 XMAC_CTRL_REG_SOFT_RESET);
12812 vars->phy_flags = 0;
12815 int bnx2x_lfa_reset(struct link_params *params,
12816 struct link_vars *vars)
12818 struct bnx2x *bp = params->bp;
12820 vars->phy_flags = 0;
12821 params->link_flags &= ~PHY_INITIALIZED;
12822 if (!params->lfa_base)
12823 return bnx2x_link_reset(params, vars, 1);
12825 * Activate NIG drain so that during this time the device won't send
12826 * anything while it is unable to response.
12828 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
12831 * Close gracefully the gate from BMAC to NIG such that no half packets
12834 if (!CHIP_IS_E3(bp))
12835 bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
12837 if (CHIP_IS_E3(bp)) {
12838 bnx2x_set_xmac_rxtx(params, 0);
12839 bnx2x_set_umac_rxtx(params, 0);
12841 /* Wait 10ms for the pipe to clean up*/
12842 usleep_range(10000, 20000);
12844 /* Clean the NIG-BRB using the network filters in a way that will
12845 * not cut a packet in the middle.
12847 bnx2x_set_rx_filter(params, 0);
12850 * Re-open the gate between the BMAC and the NIG, after verifying the
12851 * gate to the BRB is closed, otherwise packets may arrive to the
12852 * firmware before driver had initialized it. The target is to achieve
12853 * minimum management protocol down time.
12855 if (!CHIP_IS_E3(bp))
12856 bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 1);
12858 if (CHIP_IS_E3(bp)) {
12859 bnx2x_set_xmac_rxtx(params, 1);
12860 bnx2x_set_umac_rxtx(params, 1);
12862 /* Disable NIG drain */
12863 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12867 /****************************************************************************/
12868 /* Common function */
12869 /****************************************************************************/
12870 static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
12871 u32 shmem_base_path[],
12872 u32 shmem2_base_path[], u8 phy_index,
12875 struct bnx2x_phy phy[PORT_MAX];
12876 struct bnx2x_phy *phy_blk[PORT_MAX];
12879 s8 port_of_path = 0;
12880 u32 swap_val, swap_override;
12881 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
12882 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
12883 port ^= (swap_val && swap_override);
12884 bnx2x_ext_phy_hw_reset(bp, port);
12885 /* PART1 - Reset both phys */
12886 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
12887 u32 shmem_base, shmem2_base;
12888 /* In E2, same phy is using for port0 of the two paths */
12889 if (CHIP_IS_E1x(bp)) {
12890 shmem_base = shmem_base_path[0];
12891 shmem2_base = shmem2_base_path[0];
12892 port_of_path = port;
12894 shmem_base = shmem_base_path[port];
12895 shmem2_base = shmem2_base_path[port];
12899 /* Extract the ext phy address for the port */
12900 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
12901 port_of_path, &phy[port]) !=
12903 DP(NETIF_MSG_LINK, "populate_phy failed\n");
12906 /* Disable attentions */
12907 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
12909 (NIG_MASK_XGXS0_LINK_STATUS |
12910 NIG_MASK_XGXS0_LINK10G |
12911 NIG_MASK_SERDES0_LINK_STATUS |
12914 /* Need to take the phy out of low power mode in order
12915 * to write to access its registers
12917 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
12918 MISC_REGISTERS_GPIO_OUTPUT_HIGH,
12921 /* Reset the phy */
12922 bnx2x_cl45_write(bp, &phy[port],
12928 /* Add delay of 150ms after reset */
12931 if (phy[PORT_0].addr & 0x1) {
12932 phy_blk[PORT_0] = &(phy[PORT_1]);
12933 phy_blk[PORT_1] = &(phy[PORT_0]);
12935 phy_blk[PORT_0] = &(phy[PORT_0]);
12936 phy_blk[PORT_1] = &(phy[PORT_1]);
12939 /* PART2 - Download firmware to both phys */
12940 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
12941 if (CHIP_IS_E1x(bp))
12942 port_of_path = port;
12946 DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
12947 phy_blk[port]->addr);
12948 if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
12952 /* Only set bit 10 = 1 (Tx power down) */
12953 bnx2x_cl45_read(bp, phy_blk[port],
12955 MDIO_PMA_REG_TX_POWER_DOWN, &val);
12957 /* Phase1 of TX_POWER_DOWN reset */
12958 bnx2x_cl45_write(bp, phy_blk[port],
12960 MDIO_PMA_REG_TX_POWER_DOWN,
12964 /* Toggle Transmitter: Power down and then up with 600ms delay
12969 /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
12970 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
12971 /* Phase2 of POWER_DOWN_RESET */
12972 /* Release bit 10 (Release Tx power down) */
12973 bnx2x_cl45_read(bp, phy_blk[port],
12975 MDIO_PMA_REG_TX_POWER_DOWN, &val);
12977 bnx2x_cl45_write(bp, phy_blk[port],
12979 MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
12980 usleep_range(15000, 30000);
12982 /* Read modify write the SPI-ROM version select register */
12983 bnx2x_cl45_read(bp, phy_blk[port],
12985 MDIO_PMA_REG_EDC_FFE_MAIN, &val);
12986 bnx2x_cl45_write(bp, phy_blk[port],
12988 MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
12990 /* set GPIO2 back to LOW */
12991 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
12992 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
12996 static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
12997 u32 shmem_base_path[],
12998 u32 shmem2_base_path[], u8 phy_index,
13003 struct bnx2x_phy phy;
13004 /* Use port1 because of the static port-swap */
13005 /* Enable the module detection interrupt */
13006 val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
13007 val |= ((1<<MISC_REGISTERS_GPIO_3)|
13008 (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
13009 REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
13011 bnx2x_ext_phy_hw_reset(bp, 0);
13012 usleep_range(5000, 10000);
13013 for (port = 0; port < PORT_MAX; port++) {
13014 u32 shmem_base, shmem2_base;
13016 /* In E2, same phy is using for port0 of the two paths */
13017 if (CHIP_IS_E1x(bp)) {
13018 shmem_base = shmem_base_path[0];
13019 shmem2_base = shmem2_base_path[0];
13021 shmem_base = shmem_base_path[port];
13022 shmem2_base = shmem2_base_path[port];
13024 /* Extract the ext phy address for the port */
13025 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
13028 DP(NETIF_MSG_LINK, "populate phy failed\n");
13033 bnx2x_cl45_write(bp, &phy,
13034 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
13037 /* Set fault module detected LED on */
13038 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
13039 MISC_REGISTERS_GPIO_HIGH,
13045 static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
13046 u8 *io_gpio, u8 *io_port)
13049 u32 phy_gpio_reset = REG_RD(bp, shmem_base +
13050 offsetof(struct shmem_region,
13051 dev_info.port_hw_config[PORT_0].default_cfg));
13052 switch (phy_gpio_reset) {
13053 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
13057 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
13061 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
13065 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
13069 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
13073 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
13077 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
13081 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
13086 /* Don't override the io_gpio and io_port */
13091 static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
13092 u32 shmem_base_path[],
13093 u32 shmem2_base_path[], u8 phy_index,
13096 s8 port, reset_gpio;
13097 u32 swap_val, swap_override;
13098 struct bnx2x_phy phy[PORT_MAX];
13099 struct bnx2x_phy *phy_blk[PORT_MAX];
13101 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
13102 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
13104 reset_gpio = MISC_REGISTERS_GPIO_1;
13107 /* Retrieve the reset gpio/port which control the reset.
13108 * Default is GPIO1, PORT1
13110 bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
13111 (u8 *)&reset_gpio, (u8 *)&port);
13113 /* Calculate the port based on port swap */
13114 port ^= (swap_val && swap_override);
13116 /* Initiate PHY reset*/
13117 bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
13119 usleep_range(1000, 2000);
13120 bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
13123 usleep_range(5000, 10000);
13125 /* PART1 - Reset both phys */
13126 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
13127 u32 shmem_base, shmem2_base;
13129 /* In E2, same phy is using for port0 of the two paths */
13130 if (CHIP_IS_E1x(bp)) {
13131 shmem_base = shmem_base_path[0];
13132 shmem2_base = shmem2_base_path[0];
13133 port_of_path = port;
13135 shmem_base = shmem_base_path[port];
13136 shmem2_base = shmem2_base_path[port];
13140 /* Extract the ext phy address for the port */
13141 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
13142 port_of_path, &phy[port]) !=
13144 DP(NETIF_MSG_LINK, "populate phy failed\n");
13147 /* disable attentions */
13148 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
13150 (NIG_MASK_XGXS0_LINK_STATUS |
13151 NIG_MASK_XGXS0_LINK10G |
13152 NIG_MASK_SERDES0_LINK_STATUS |
13156 /* Reset the phy */
13157 bnx2x_cl45_write(bp, &phy[port],
13158 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
13161 /* Add delay of 150ms after reset */
13163 if (phy[PORT_0].addr & 0x1) {
13164 phy_blk[PORT_0] = &(phy[PORT_1]);
13165 phy_blk[PORT_1] = &(phy[PORT_0]);
13167 phy_blk[PORT_0] = &(phy[PORT_0]);
13168 phy_blk[PORT_1] = &(phy[PORT_1]);
13170 /* PART2 - Download firmware to both phys */
13171 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
13172 if (CHIP_IS_E1x(bp))
13173 port_of_path = port;
13176 DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
13177 phy_blk[port]->addr);
13178 if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
13181 /* Disable PHY transmitter output */
13182 bnx2x_cl45_write(bp, phy_blk[port],
13184 MDIO_PMA_REG_TX_DISABLE, 1);
13190 static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
13191 u32 shmem_base_path[],
13192 u32 shmem2_base_path[],
13197 reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
13198 bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
13200 bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
13201 DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
13206 static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
13207 u32 shmem2_base_path[], u8 phy_index,
13208 u32 ext_phy_type, u32 chip_id)
13212 switch (ext_phy_type) {
13213 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
13214 rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
13216 phy_index, chip_id);
13218 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
13219 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
13220 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
13221 rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
13223 phy_index, chip_id);
13226 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
13227 /* GPIO1 affects both ports, so there's need to pull
13228 * it for single port alone
13230 rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
13232 phy_index, chip_id);
13234 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
13235 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
13236 /* GPIO3's are linked, and so both need to be toggled
13237 * to obtain required 2us pulse.
13239 rc = bnx2x_84833_common_init_phy(bp, shmem_base_path,
13241 phy_index, chip_id);
13243 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
13248 "ext_phy 0x%x common init not required\n",
13254 netdev_err(bp->dev, "Warning: PHY was not initialized,"
13260 int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
13261 u32 shmem2_base_path[], u32 chip_id)
13266 u32 ext_phy_type, ext_phy_config;
13268 bnx2x_set_mdio_clk(bp, chip_id, GRCBASE_EMAC0);
13269 bnx2x_set_mdio_clk(bp, chip_id, GRCBASE_EMAC1);
13270 DP(NETIF_MSG_LINK, "Begin common phy init\n");
13271 if (CHIP_IS_E3(bp)) {
13273 val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
13274 REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
13276 /* Check if common init was already done */
13277 phy_ver = REG_RD(bp, shmem_base_path[0] +
13278 offsetof(struct shmem_region,
13279 port_mb[PORT_0].ext_phy_fw_version));
13281 DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
13286 /* Read the ext_phy_type for arbitrary port(0) */
13287 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
13289 ext_phy_config = bnx2x_get_ext_phy_config(bp,
13290 shmem_base_path[0],
13292 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
13293 rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
13295 phy_index, ext_phy_type,
13301 static void bnx2x_check_over_curr(struct link_params *params,
13302 struct link_vars *vars)
13304 struct bnx2x *bp = params->bp;
13306 u8 port = params->port;
13309 cfg_pin = (REG_RD(bp, params->shmem_base +
13310 offsetof(struct shmem_region,
13311 dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
13312 PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
13313 PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
13315 /* Ignore check if no external input PIN available */
13316 if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
13320 if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
13321 netdev_err(bp->dev, "Error: Power fault on Port %d has"
13322 " been detected and the power to "
13323 "that SFP+ module has been removed"
13324 " to prevent failure of the card."
13325 " Please remove the SFP+ module and"
13326 " restart the system to clear this"
13329 vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
13330 bnx2x_warpcore_power_module(params, 0);
13333 vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
13336 /* Returns 0 if no change occured since last check; 1 otherwise. */
13337 static u8 bnx2x_analyze_link_error(struct link_params *params,
13338 struct link_vars *vars, u32 status,
13339 u32 phy_flag, u32 link_flag, u8 notify)
13341 struct bnx2x *bp = params->bp;
13342 /* Compare new value with previous value */
13344 u32 old_status = (vars->phy_flags & phy_flag) ? 1 : 0;
13346 if ((status ^ old_status) == 0)
13349 /* If values differ */
13350 switch (phy_flag) {
13351 case PHY_HALF_OPEN_CONN_FLAG:
13352 DP(NETIF_MSG_LINK, "Analyze Remote Fault\n");
13354 case PHY_SFP_TX_FAULT_FLAG:
13355 DP(NETIF_MSG_LINK, "Analyze TX Fault\n");
13358 DP(NETIF_MSG_LINK, "Analyze UNKNOWN\n");
13360 DP(NETIF_MSG_LINK, "Link changed:[%x %x]->%x\n", vars->link_up,
13361 old_status, status);
13363 /* Do not touch the link in case physical link down */
13364 if ((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0)
13367 /* a. Update shmem->link_status accordingly
13368 * b. Update link_vars->link_up
13371 vars->link_status &= ~LINK_STATUS_LINK_UP;
13372 vars->link_status |= link_flag;
13374 vars->phy_flags |= phy_flag;
13376 /* activate nig drain */
13377 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
13378 /* Set LED mode to off since the PHY doesn't know about these
13381 led_mode = LED_MODE_OFF;
13383 vars->link_status |= LINK_STATUS_LINK_UP;
13384 vars->link_status &= ~link_flag;
13386 vars->phy_flags &= ~phy_flag;
13387 led_mode = LED_MODE_OPER;
13389 /* Clear nig drain */
13390 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
13392 bnx2x_sync_link(params, vars);
13393 /* Update the LED according to the link state */
13394 bnx2x_set_led(params, vars, led_mode, SPEED_10000);
13396 /* Update link status in the shared memory */
13397 bnx2x_update_mng(params, vars->link_status);
13399 /* C. Trigger General Attention */
13400 vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
13402 bnx2x_notify_link_changed(bp);
13407 /******************************************************************************
13409 * This function checks for half opened connection change indication.
13410 * When such change occurs, it calls the bnx2x_analyze_link_error
13411 * to check if Remote Fault is set or cleared. Reception of remote fault
13412 * status message in the MAC indicates that the peer's MAC has detected
13413 * a fault, for example, due to break in the TX side of fiber.
13415 ******************************************************************************/
13416 int bnx2x_check_half_open_conn(struct link_params *params,
13417 struct link_vars *vars,
13420 struct bnx2x *bp = params->bp;
13421 u32 lss_status = 0;
13423 /* In case link status is physically up @ 10G do */
13424 if (((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0) ||
13425 (REG_RD(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4)))
13428 if (CHIP_IS_E3(bp) &&
13429 (REG_RD(bp, MISC_REG_RESET_REG_2) &
13430 (MISC_REGISTERS_RESET_REG_2_XMAC))) {
13431 /* Check E3 XMAC */
13432 /* Note that link speed cannot be queried here, since it may be
13433 * zero while link is down. In case UMAC is active, LSS will
13434 * simply not be set
13436 mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
13438 /* Clear stick bits (Requires rising edge) */
13439 REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
13440 REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
13441 XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
13442 XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
13443 if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
13446 bnx2x_analyze_link_error(params, vars, lss_status,
13447 PHY_HALF_OPEN_CONN_FLAG,
13448 LINK_STATUS_NONE, notify);
13449 } else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
13450 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
13451 /* Check E1X / E2 BMAC */
13452 u32 lss_status_reg;
13454 mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
13455 NIG_REG_INGRESS_BMAC0_MEM;
13456 /* Read BIGMAC_REGISTER_RX_LSS_STATUS */
13457 if (CHIP_IS_E2(bp))
13458 lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
13460 lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
13462 REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
13463 lss_status = (wb_data[0] > 0);
13465 bnx2x_analyze_link_error(params, vars, lss_status,
13466 PHY_HALF_OPEN_CONN_FLAG,
13467 LINK_STATUS_NONE, notify);
13471 static void bnx2x_sfp_tx_fault_detection(struct bnx2x_phy *phy,
13472 struct link_params *params,
13473 struct link_vars *vars)
13475 struct bnx2x *bp = params->bp;
13476 u32 cfg_pin, value = 0;
13477 u8 led_change, port = params->port;
13479 /* Get The SFP+ TX_Fault controlling pin ([eg]pio) */
13480 cfg_pin = (REG_RD(bp, params->shmem_base + offsetof(struct shmem_region,
13481 dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
13482 PORT_HW_CFG_E3_TX_FAULT_MASK) >>
13483 PORT_HW_CFG_E3_TX_FAULT_SHIFT;
13485 if (bnx2x_get_cfg_pin(bp, cfg_pin, &value)) {
13486 DP(NETIF_MSG_LINK, "Failed to read pin 0x%02x\n", cfg_pin);
13490 led_change = bnx2x_analyze_link_error(params, vars, value,
13491 PHY_SFP_TX_FAULT_FLAG,
13492 LINK_STATUS_SFP_TX_FAULT, 1);
13495 /* Change TX_Fault led, set link status for further syncs */
13498 if (vars->phy_flags & PHY_SFP_TX_FAULT_FLAG) {
13499 led_mode = MISC_REGISTERS_GPIO_HIGH;
13500 vars->link_status |= LINK_STATUS_SFP_TX_FAULT;
13502 led_mode = MISC_REGISTERS_GPIO_LOW;
13503 vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
13506 /* If module is unapproved, led should be on regardless */
13507 if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
13508 DP(NETIF_MSG_LINK, "Change TX_Fault LED: ->%x\n",
13510 bnx2x_set_e3_module_fault_led(params, led_mode);
13514 static void bnx2x_kr2_recovery(struct link_params *params,
13515 struct link_vars *vars,
13516 struct bnx2x_phy *phy)
13518 struct bnx2x *bp = params->bp;
13519 DP(NETIF_MSG_LINK, "KR2 recovery\n");
13520 bnx2x_warpcore_enable_AN_KR2(phy, params, vars);
13521 bnx2x_warpcore_restart_AN_KR(phy, params);
13524 static void bnx2x_check_kr2_wa(struct link_params *params,
13525 struct link_vars *vars,
13526 struct bnx2x_phy *phy)
13528 struct bnx2x *bp = params->bp;
13529 u16 base_page, next_page, not_kr2_device, lane;
13532 /* Once KR2 was disabled, wait 5 seconds before checking KR2 recovery
13533 * Since some switches tend to reinit the AN process and clear the
13534 * the advertised BP/NP after ~2 seconds causing the KR2 to be disabled
13535 * and recovered many times
13537 if (vars->check_kr2_recovery_cnt > 0) {
13538 vars->check_kr2_recovery_cnt--;
13542 sigdet = bnx2x_warpcore_get_sigdet(phy, params);
13544 if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
13545 bnx2x_kr2_recovery(params, vars, phy);
13546 DP(NETIF_MSG_LINK, "No sigdet\n");
13551 lane = bnx2x_get_warpcore_lane(phy, params);
13552 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
13553 MDIO_AER_BLOCK_AER_REG, lane);
13554 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
13555 MDIO_AN_REG_LP_AUTO_NEG, &base_page);
13556 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
13557 MDIO_AN_REG_LP_AUTO_NEG2, &next_page);
13558 bnx2x_set_aer_mmd(params, phy);
13560 /* CL73 has not begun yet */
13561 if (base_page == 0) {
13562 if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
13563 bnx2x_kr2_recovery(params, vars, phy);
13564 DP(NETIF_MSG_LINK, "No BP\n");
13569 /* In case NP bit is not set in the BasePage, or it is set,
13570 * but only KX is advertised, declare this link partner as non-KR2
13573 not_kr2_device = (((base_page & 0x8000) == 0) ||
13574 (((base_page & 0x8000) &&
13575 ((next_page & 0xe0) == 0x20))));
13577 /* In case KR2 is already disabled, check if we need to re-enable it */
13578 if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
13579 if (!not_kr2_device) {
13580 DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page,
13582 bnx2x_kr2_recovery(params, vars, phy);
13586 /* KR2 is enabled, but not KR2 device */
13587 if (not_kr2_device) {
13588 /* Disable KR2 on both lanes */
13589 DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page, next_page);
13590 bnx2x_disable_kr2(params, vars, phy);
13591 /* Restart AN on leading lane */
13592 bnx2x_warpcore_restart_AN_KR(phy, params);
13597 void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
13600 struct bnx2x *bp = params->bp;
13601 for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
13602 if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
13603 bnx2x_set_aer_mmd(params, ¶ms->phy[phy_idx]);
13604 if (bnx2x_check_half_open_conn(params, vars, 1) !=
13606 DP(NETIF_MSG_LINK, "Fault detection failed\n");
13611 if (CHIP_IS_E3(bp)) {
13612 struct bnx2x_phy *phy = ¶ms->phy[INT_PHY];
13613 bnx2x_set_aer_mmd(params, phy);
13614 if ((phy->supported & SUPPORTED_20000baseKR2_Full) &&
13615 (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G))
13616 bnx2x_check_kr2_wa(params, vars, phy);
13617 bnx2x_check_over_curr(params, vars);
13618 if (vars->rx_tx_asic_rst)
13619 bnx2x_warpcore_config_runtime(phy, params, vars);
13621 if ((REG_RD(bp, params->shmem_base +
13622 offsetof(struct shmem_region, dev_info.
13623 port_hw_config[params->port].default_cfg))
13624 & PORT_HW_CFG_NET_SERDES_IF_MASK) ==
13625 PORT_HW_CFG_NET_SERDES_IF_SFI) {
13626 if (bnx2x_is_sfp_module_plugged(phy, params)) {
13627 bnx2x_sfp_tx_fault_detection(phy, params, vars);
13628 } else if (vars->link_status &
13629 LINK_STATUS_SFP_TX_FAULT) {
13630 /* Clean trail, interrupt corrects the leds */
13631 vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
13632 vars->phy_flags &= ~PHY_SFP_TX_FAULT_FLAG;
13633 /* Update link status in the shared memory */
13634 bnx2x_update_mng(params, vars->link_status);
13640 u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
13645 u8 phy_index, fan_failure_det_req = 0;
13646 struct bnx2x_phy phy;
13647 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
13649 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
13652 DP(NETIF_MSG_LINK, "populate phy failed\n");
13655 fan_failure_det_req |= (phy.flags &
13656 FLAGS_FAN_FAILURE_DET_REQ);
13658 return fan_failure_det_req;
13661 void bnx2x_hw_reset_phy(struct link_params *params)
13664 struct bnx2x *bp = params->bp;
13665 bnx2x_update_mng(params, 0);
13666 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
13667 (NIG_MASK_XGXS0_LINK_STATUS |
13668 NIG_MASK_XGXS0_LINK10G |
13669 NIG_MASK_SERDES0_LINK_STATUS |
13672 for (phy_index = INT_PHY; phy_index < MAX_PHYS;
13674 if (params->phy[phy_index].hw_reset) {
13675 params->phy[phy_index].hw_reset(
13676 ¶ms->phy[phy_index],
13678 params->phy[phy_index] = phy_null;
13683 void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
13684 u32 chip_id, u32 shmem_base, u32 shmem2_base,
13687 u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
13689 u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
13690 if (CHIP_IS_E3(bp)) {
13691 if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
13698 struct bnx2x_phy phy;
13699 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
13701 if (bnx2x_populate_phy(bp, phy_index, shmem_base,
13702 shmem2_base, port, &phy)
13704 DP(NETIF_MSG_LINK, "populate phy failed\n");
13707 if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
13708 gpio_num = MISC_REGISTERS_GPIO_3;
13715 if (gpio_num == 0xff)
13718 /* Set GPIO3 to trigger SFP+ module insertion/removal */
13719 bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
13721 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
13722 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
13723 gpio_port ^= (swap_val && swap_override);
13725 vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
13726 (gpio_num + (gpio_port << 2));
13728 sync_offset = shmem_base +
13729 offsetof(struct shmem_region,
13730 dev_info.port_hw_config[port].aeu_int_mask);
13731 REG_WR(bp, sync_offset, vars->aeu_int_mask);
13733 DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
13734 gpio_num, gpio_port, vars->aeu_int_mask);
13737 offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
13739 offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
13741 /* Open appropriate AEU for interrupts */
13742 aeu_mask = REG_RD(bp, offset);
13743 aeu_mask |= vars->aeu_int_mask;
13744 REG_WR(bp, offset, aeu_mask);
13746 /* Enable the GPIO to trigger interrupt */
13747 val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
13748 val |= 1 << (gpio_num + (gpio_port << 2));
13749 REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);