1 /* Copyright 2008-2013 Broadcom Corporation
2 * Copyright (c) 2014 QLogic Corporation
3 * All rights reserved
4 *
5 * Unless you and QLogic execute a separate written software license
6 * agreement governing use of this software, this software is licensed to you
7 * under the terms of the GNU General Public License version 2, available
8 * at http://www.gnu.org/licenses/gpl-2.0.html (the "GPL").
9 *
10 * Notwithstanding the above, under no circumstances may you combine this
11 * software in any way with any other Qlogic software provided under a
12 * license other than the GPL, without Qlogic's express prior written
13 * consent.
14 *
15 * Written by Yaniv Rosner
16 *
17 */
18
19 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
20
21 #include <linux/kernel.h>
22 #include <linux/errno.h>
23 #include <linux/pci.h>
24 #include <linux/netdevice.h>
25 #include <linux/delay.h>
26 #include <linux/ethtool.h>
27 #include <linux/mutex.h>
28
29 #include "bnx2x.h"
30 #include "bnx2x_cmn.h"
31
32 typedef int (*read_sfp_module_eeprom_func_p)(struct bnx2x_phy *phy,
33 struct link_params *params,
34 u8 dev_addr, u16 addr, u8 byte_cnt,
35 u8 *o_buf, u8);
36 /********************************************************/
37 #define MDIO_ACCESS_TIMEOUT 1000
38 #define WC_LANE_MAX 4
39 #define I2C_SWITCH_WIDTH 2
40 #define I2C_BSC0 0
41 #define I2C_BSC1 1
42 #define I2C_WA_RETRY_CNT 3
43 #define I2C_WA_PWR_ITER (I2C_WA_RETRY_CNT - 1)
44 #define MCPR_IMC_COMMAND_READ_OP 1
45 #define MCPR_IMC_COMMAND_WRITE_OP 2
46
47 /* LED Blink rate that will achieve ~15.9Hz */
48 #define LED_BLINK_RATE_VAL_E3 354
49 #define LED_BLINK_RATE_VAL_E1X_E2 480
50 /***********************************************************/
51 /* Shortcut definitions */
52 /***********************************************************/
53
54 #define NIG_LATCH_BC_ENABLE_MI_INT 0
55
56 #define NIG_STATUS_EMAC0_MI_INT \
57 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
58 #define NIG_STATUS_XGXS0_LINK10G \
59 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
60 #define NIG_STATUS_XGXS0_LINK_STATUS \
61 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
62 #define NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
63 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
64 #define NIG_STATUS_SERDES0_LINK_STATUS \
65 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
66 #define NIG_MASK_MI_INT \
67 NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
68 #define NIG_MASK_XGXS0_LINK10G \
69 NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
70 #define NIG_MASK_XGXS0_LINK_STATUS \
71 NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
72 #define NIG_MASK_SERDES0_LINK_STATUS \
73 NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS
74
75 #define MDIO_AN_CL73_OR_37_COMPLETE \
76 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
77 MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)
78
79 #define XGXS_RESET_BITS \
80 (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW | \
81 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ | \
82 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN | \
83 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \
84 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB)
85
86 #define SERDES_RESET_BITS \
87 (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \
88 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ | \
89 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN | \
90 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD)
91
92 #define AUTONEG_CL37 SHARED_HW_CFG_AN_ENABLE_CL37
93 #define AUTONEG_CL73 SHARED_HW_CFG_AN_ENABLE_CL73
94 #define AUTONEG_BAM SHARED_HW_CFG_AN_ENABLE_BAM
95 #define AUTONEG_PARALLEL \
96 SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
97 #define AUTONEG_SGMII_FIBER_AUTODET \
98 SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
99 #define AUTONEG_REMOTE_PHY SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
100
101 #define GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
102 MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
103 #define GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
104 MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
105 #define GP_STATUS_SPEED_MASK \
106 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
107 #define GP_STATUS_10M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
108 #define GP_STATUS_100M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
109 #define GP_STATUS_1G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
110 #define GP_STATUS_2_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
111 #define GP_STATUS_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
112 #define GP_STATUS_6G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
113 #define GP_STATUS_10G_HIG \
114 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
115 #define GP_STATUS_10G_CX4 \
116 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
117 #define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
118 #define GP_STATUS_10G_KX4 \
119 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
120 #define GP_STATUS_10G_KR MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KR
121 #define GP_STATUS_10G_XFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_XFI
122 #define GP_STATUS_20G_DXGXS MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_DXGXS
123 #define GP_STATUS_10G_SFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_SFI
124 #define GP_STATUS_20G_KR2 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_KR2
125 #define LINK_10THD LINK_STATUS_SPEED_AND_DUPLEX_10THD
126 #define LINK_10TFD LINK_STATUS_SPEED_AND_DUPLEX_10TFD
127 #define LINK_100TXHD LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
128 #define LINK_100T4 LINK_STATUS_SPEED_AND_DUPLEX_100T4
129 #define LINK_100TXFD LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
130 #define LINK_1000THD LINK_STATUS_SPEED_AND_DUPLEX_1000THD
131 #define LINK_1000TFD LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
132 #define LINK_1000XFD LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
133 #define LINK_2500THD LINK_STATUS_SPEED_AND_DUPLEX_2500THD
134 #define LINK_2500TFD LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
135 #define LINK_2500XFD LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
136 #define LINK_10GTFD LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
137 #define LINK_10GXFD LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
138 #define LINK_20GTFD LINK_STATUS_SPEED_AND_DUPLEX_20GTFD
139 #define LINK_20GXFD LINK_STATUS_SPEED_AND_DUPLEX_20GXFD
140
141 #define LINK_UPDATE_MASK \
142 (LINK_STATUS_SPEED_AND_DUPLEX_MASK | \
143 LINK_STATUS_LINK_UP | \
144 LINK_STATUS_PHYSICAL_LINK_FLAG | \
145 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE | \
146 LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK | \
147 LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK | \
148 LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK | \
149 LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE | \
150 LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE)
151
152 #define SFP_EEPROM_CON_TYPE_ADDR 0x2
153 #define SFP_EEPROM_CON_TYPE_VAL_UNKNOWN 0x0
154 #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7
155 #define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21
156 #define SFP_EEPROM_CON_TYPE_VAL_RJ45 0x22
157
158
159 #define SFP_EEPROM_10G_COMP_CODE_ADDR 0x3
160 #define SFP_EEPROM_10G_COMP_CODE_SR_MASK (1<<4)
161 #define SFP_EEPROM_10G_COMP_CODE_LR_MASK (1<<5)
162 #define SFP_EEPROM_10G_COMP_CODE_LRM_MASK (1<<6)
163
164 #define SFP_EEPROM_1G_COMP_CODE_ADDR 0x6
165 #define SFP_EEPROM_1G_COMP_CODE_SX (1<<0)
166 #define SFP_EEPROM_1G_COMP_CODE_LX (1<<1)
167 #define SFP_EEPROM_1G_COMP_CODE_CX (1<<2)
168 #define SFP_EEPROM_1G_COMP_CODE_BASE_T (1<<3)
169
170 #define SFP_EEPROM_FC_TX_TECH_ADDR 0x8
171 #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
172 #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8
173
174 #define SFP_EEPROM_OPTIONS_ADDR 0x40
175 #define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
176 #define SFP_EEPROM_OPTIONS_SIZE 2
177
178 #define EDC_MODE_LINEAR 0x0022
179 #define EDC_MODE_LIMITING 0x0044
180 #define EDC_MODE_PASSIVE_DAC 0x0055
181 #define EDC_MODE_ACTIVE_DAC 0x0066
182
183 /* ETS defines*/
184 #define DCBX_INVALID_COS (0xFF)
185
186 #define ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000)
187 #define ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000)
188 #define ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS (1360)
189 #define ETS_E3B0_NIG_MIN_W_VAL_20GBPS (2720)
190 #define ETS_E3B0_PBF_MIN_W_VAL (10000)
191
192 #define MAX_PACKET_SIZE (9700)
193 #define MAX_KR_LINK_RETRY 4
194 #define DEFAULT_TX_DRV_BRDCT 2
195 #define DEFAULT_TX_DRV_IFIR 0
196 #define DEFAULT_TX_DRV_POST2 3
197 #define DEFAULT_TX_DRV_IPRE_DRIVER 6
198
199 /**********************************************************/
200 /* INTERFACE */
201 /**********************************************************/
202
203 #define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
204 bnx2x_cl45_write(_bp, _phy, \
205 (_phy)->def_md_devad, \
206 (_bank + (_addr & 0xf)), \
207 _val)
208
209 #define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
210 bnx2x_cl45_read(_bp, _phy, \
211 (_phy)->def_md_devad, \
212 (_bank + (_addr & 0xf)), \
213 _val)
214
215 static int bnx2x_check_half_open_conn(struct link_params *params,
216 struct link_vars *vars, u8 notify);
217 static int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
218 struct link_params *params);
219
bnx2x_bits_en(struct bnx2x * bp,u32 reg,u32 bits)220 static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
221 {
222 u32 val = REG_RD(bp, reg);
223
224 val |= bits;
225 REG_WR(bp, reg, val);
226 return val;
227 }
228
bnx2x_bits_dis(struct bnx2x * bp,u32 reg,u32 bits)229 static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
230 {
231 u32 val = REG_RD(bp, reg);
232
233 val &= ~bits;
234 REG_WR(bp, reg, val);
235 return val;
236 }
237
238 /*
239 * bnx2x_check_lfa - This function checks if link reinitialization is required,
240 * or link flap can be avoided.
241 *
242 * @params: link parameters
243 * Returns 0 if Link Flap Avoidance conditions are met otherwise, the failed
244 * condition code.
245 */
bnx2x_check_lfa(struct link_params * params)246 static int bnx2x_check_lfa(struct link_params *params)
247 {
248 u32 link_status, cfg_idx, lfa_mask, cfg_size;
249 u32 cur_speed_cap_mask, cur_req_fc_auto_adv, additional_config;
250 u32 saved_val, req_val, eee_status;
251 struct bnx2x *bp = params->bp;
252
253 additional_config =
254 REG_RD(bp, params->lfa_base +
255 offsetof(struct shmem_lfa, additional_config));
256
257 /* NOTE: must be first condition checked -
258 * to verify DCC bit is cleared in any case!
259 */
260 if (additional_config & NO_LFA_DUE_TO_DCC_MASK) {
261 DP(NETIF_MSG_LINK, "No LFA due to DCC flap after clp exit\n");
262 REG_WR(bp, params->lfa_base +
263 offsetof(struct shmem_lfa, additional_config),
264 additional_config & ~NO_LFA_DUE_TO_DCC_MASK);
265 return LFA_DCC_LFA_DISABLED;
266 }
267
268 /* Verify that link is up */
269 link_status = REG_RD(bp, params->shmem_base +
270 offsetof(struct shmem_region,
271 port_mb[params->port].link_status));
272 if (!(link_status & LINK_STATUS_LINK_UP))
273 return LFA_LINK_DOWN;
274
275 /* if loaded after BOOT from SAN, don't flap the link in any case and
276 * rely on link set by preboot driver
277 */
278 if (params->feature_config_flags & FEATURE_CONFIG_BOOT_FROM_SAN)
279 return 0;
280
281 /* Verify that loopback mode is not set */
282 if (params->loopback_mode)
283 return LFA_LOOPBACK_ENABLED;
284
285 /* Verify that MFW supports LFA */
286 if (!params->lfa_base)
287 return LFA_MFW_IS_TOO_OLD;
288
289 if (params->num_phys == 3) {
290 cfg_size = 2;
291 lfa_mask = 0xffffffff;
292 } else {
293 cfg_size = 1;
294 lfa_mask = 0xffff;
295 }
296
297 /* Compare Duplex */
298 saved_val = REG_RD(bp, params->lfa_base +
299 offsetof(struct shmem_lfa, req_duplex));
300 req_val = params->req_duplex[0] | (params->req_duplex[1] << 16);
301 if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
302 DP(NETIF_MSG_LINK, "Duplex mismatch %x vs. %x\n",
303 (saved_val & lfa_mask), (req_val & lfa_mask));
304 return LFA_DUPLEX_MISMATCH;
305 }
306 /* Compare Flow Control */
307 saved_val = REG_RD(bp, params->lfa_base +
308 offsetof(struct shmem_lfa, req_flow_ctrl));
309 req_val = params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16);
310 if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
311 DP(NETIF_MSG_LINK, "Flow control mismatch %x vs. %x\n",
312 (saved_val & lfa_mask), (req_val & lfa_mask));
313 return LFA_FLOW_CTRL_MISMATCH;
314 }
315 /* Compare Link Speed */
316 saved_val = REG_RD(bp, params->lfa_base +
317 offsetof(struct shmem_lfa, req_line_speed));
318 req_val = params->req_line_speed[0] | (params->req_line_speed[1] << 16);
319 if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
320 DP(NETIF_MSG_LINK, "Link speed mismatch %x vs. %x\n",
321 (saved_val & lfa_mask), (req_val & lfa_mask));
322 return LFA_LINK_SPEED_MISMATCH;
323 }
324
325 for (cfg_idx = 0; cfg_idx < cfg_size; cfg_idx++) {
326 cur_speed_cap_mask = REG_RD(bp, params->lfa_base +
327 offsetof(struct shmem_lfa,
328 speed_cap_mask[cfg_idx]));
329
330 if (cur_speed_cap_mask != params->speed_cap_mask[cfg_idx]) {
331 DP(NETIF_MSG_LINK, "Speed Cap mismatch %x vs. %x\n",
332 cur_speed_cap_mask,
333 params->speed_cap_mask[cfg_idx]);
334 return LFA_SPEED_CAP_MISMATCH;
335 }
336 }
337
338 cur_req_fc_auto_adv =
339 REG_RD(bp, params->lfa_base +
340 offsetof(struct shmem_lfa, additional_config)) &
341 REQ_FC_AUTO_ADV_MASK;
342
343 if ((u16)cur_req_fc_auto_adv != params->req_fc_auto_adv) {
344 DP(NETIF_MSG_LINK, "Flow Ctrl AN mismatch %x vs. %x\n",
345 cur_req_fc_auto_adv, params->req_fc_auto_adv);
346 return LFA_FLOW_CTRL_MISMATCH;
347 }
348
349 eee_status = REG_RD(bp, params->shmem2_base +
350 offsetof(struct shmem2_region,
351 eee_status[params->port]));
352
353 if (((eee_status & SHMEM_EEE_LPI_REQUESTED_BIT) ^
354 (params->eee_mode & EEE_MODE_ENABLE_LPI)) ||
355 ((eee_status & SHMEM_EEE_REQUESTED_BIT) ^
356 (params->eee_mode & EEE_MODE_ADV_LPI))) {
357 DP(NETIF_MSG_LINK, "EEE mismatch %x vs. %x\n", params->eee_mode,
358 eee_status);
359 return LFA_EEE_MISMATCH;
360 }
361
362 /* LFA conditions are met */
363 return 0;
364 }
365 /******************************************************************/
366 /* EPIO/GPIO section */
367 /******************************************************************/
bnx2x_get_epio(struct bnx2x * bp,u32 epio_pin,u32 * en)368 static void bnx2x_get_epio(struct bnx2x *bp, u32 epio_pin, u32 *en)
369 {
370 u32 epio_mask, gp_oenable;
371 *en = 0;
372 /* Sanity check */
373 if (epio_pin > 31) {
374 DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to get\n", epio_pin);
375 return;
376 }
377
378 epio_mask = 1 << epio_pin;
379 /* Set this EPIO to output */
380 gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
381 REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable & ~epio_mask);
382
383 *en = (REG_RD(bp, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin;
384 }
bnx2x_set_epio(struct bnx2x * bp,u32 epio_pin,u32 en)385 static void bnx2x_set_epio(struct bnx2x *bp, u32 epio_pin, u32 en)
386 {
387 u32 epio_mask, gp_output, gp_oenable;
388
389 /* Sanity check */
390 if (epio_pin > 31) {
391 DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to set\n", epio_pin);
392 return;
393 }
394 DP(NETIF_MSG_LINK, "Setting EPIO pin %d to %d\n", epio_pin, en);
395 epio_mask = 1 << epio_pin;
396 /* Set this EPIO to output */
397 gp_output = REG_RD(bp, MCP_REG_MCPR_GP_OUTPUTS);
398 if (en)
399 gp_output |= epio_mask;
400 else
401 gp_output &= ~epio_mask;
402
403 REG_WR(bp, MCP_REG_MCPR_GP_OUTPUTS, gp_output);
404
405 /* Set the value for this EPIO */
406 gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
407 REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable | epio_mask);
408 }
409
bnx2x_set_cfg_pin(struct bnx2x * bp,u32 pin_cfg,u32 val)410 static void bnx2x_set_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 val)
411 {
412 if (pin_cfg == PIN_CFG_NA)
413 return;
414 if (pin_cfg >= PIN_CFG_EPIO0) {
415 bnx2x_set_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
416 } else {
417 u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
418 u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
419 bnx2x_set_gpio(bp, gpio_num, (u8)val, gpio_port);
420 }
421 }
422
bnx2x_get_cfg_pin(struct bnx2x * bp,u32 pin_cfg,u32 * val)423 static u32 bnx2x_get_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 *val)
424 {
425 if (pin_cfg == PIN_CFG_NA)
426 return -EINVAL;
427 if (pin_cfg >= PIN_CFG_EPIO0) {
428 bnx2x_get_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
429 } else {
430 u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
431 u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
432 *val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
433 }
434 return 0;
435
436 }
437 /******************************************************************/
438 /* ETS section */
439 /******************************************************************/
bnx2x_ets_e2e3a0_disabled(struct link_params * params)440 static void bnx2x_ets_e2e3a0_disabled(struct link_params *params)
441 {
442 /* ETS disabled configuration*/
443 struct bnx2x *bp = params->bp;
444
445 DP(NETIF_MSG_LINK, "ETS E2E3 disabled configuration\n");
446
447 /* mapping between entry priority to client number (0,1,2 -debug and
448 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
449 * 3bits client num.
450 * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
451 * cos1-100 cos0-011 dbg1-010 dbg0-001 MCP-000
452 */
453
454 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
455 /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
456 * as strict. Bits 0,1,2 - debug and management entries, 3 -
457 * COS0 entry, 4 - COS1 entry.
458 * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
459 * bit4 bit3 bit2 bit1 bit0
460 * MCP and debug are strict
461 */
462
463 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
464 /* defines which entries (clients) are subjected to WFQ arbitration */
465 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
466 /* For strict priority entries defines the number of consecutive
467 * slots for the highest priority.
468 */
469 REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
470 /* mapping between the CREDIT_WEIGHT registers and actual client
471 * numbers
472 */
473 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
474 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
475 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
476
477 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
478 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
479 REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
480 /* ETS mode disable */
481 REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
482 /* If ETS mode is enabled (there is no strict priority) defines a WFQ
483 * weight for COS0/COS1.
484 */
485 REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
486 REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
487 /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
488 REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
489 REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
490 /* Defines the number of consecutive slots for the strict priority */
491 REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
492 }
493 /******************************************************************************
494 * Description:
495 * Getting min_w_val will be set according to line speed .
496 *.
497 ******************************************************************************/
bnx2x_ets_get_min_w_val_nig(const struct link_vars * vars)498 static u32 bnx2x_ets_get_min_w_val_nig(const struct link_vars *vars)
499 {
500 u32 min_w_val = 0;
501 /* Calculate min_w_val.*/
502 if (vars->link_up) {
503 if (vars->line_speed == SPEED_20000)
504 min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
505 else
506 min_w_val = ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS;
507 } else
508 min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
509 /* If the link isn't up (static configuration for example ) The
510 * link will be according to 20GBPS.
511 */
512 return min_w_val;
513 }
514 /******************************************************************************
515 * Description:
516 * Getting credit upper bound form min_w_val.
517 *.
518 ******************************************************************************/
bnx2x_ets_get_credit_upper_bound(const u32 min_w_val)519 static u32 bnx2x_ets_get_credit_upper_bound(const u32 min_w_val)
520 {
521 const u32 credit_upper_bound = (u32)MAXVAL((150 * min_w_val),
522 MAX_PACKET_SIZE);
523 return credit_upper_bound;
524 }
525 /******************************************************************************
526 * Description:
527 * Set credit upper bound for NIG.
528 *.
529 ******************************************************************************/
bnx2x_ets_e3b0_set_credit_upper_bound_nig(const struct link_params * params,const u32 min_w_val)530 static void bnx2x_ets_e3b0_set_credit_upper_bound_nig(
531 const struct link_params *params,
532 const u32 min_w_val)
533 {
534 struct bnx2x *bp = params->bp;
535 const u8 port = params->port;
536 const u32 credit_upper_bound =
537 bnx2x_ets_get_credit_upper_bound(min_w_val);
538
539 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_0 :
540 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, credit_upper_bound);
541 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_1 :
542 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, credit_upper_bound);
543 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_2 :
544 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_2, credit_upper_bound);
545 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_3 :
546 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_3, credit_upper_bound);
547 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_4 :
548 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_4, credit_upper_bound);
549 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 :
550 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5, credit_upper_bound);
551
552 if (!port) {
553 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6,
554 credit_upper_bound);
555 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7,
556 credit_upper_bound);
557 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8,
558 credit_upper_bound);
559 }
560 }
561 /******************************************************************************
562 * Description:
563 * Will return the NIG ETS registers to init values.Except
564 * credit_upper_bound.
565 * That isn't used in this configuration (No WFQ is enabled) and will be
566 * configured according to spec
567 *.
568 ******************************************************************************/
bnx2x_ets_e3b0_nig_disabled(const struct link_params * params,const struct link_vars * vars)569 static void bnx2x_ets_e3b0_nig_disabled(const struct link_params *params,
570 const struct link_vars *vars)
571 {
572 struct bnx2x *bp = params->bp;
573 const u8 port = params->port;
574 const u32 min_w_val = bnx2x_ets_get_min_w_val_nig(vars);
575 /* Mapping between entry priority to client number (0,1,2 -debug and
576 * management clients, 3 - COS0 client, 4 - COS1, ... 8 -
577 * COS5)(HIGHEST) 4bits client num.TODO_ETS - Should be done by
578 * reset value or init tool
579 */
580 if (port) {
581 REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 0x543210);
582 REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB, 0x0);
583 } else {
584 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 0x76543210);
585 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 0x8);
586 }
587 /* For strict priority entries defines the number of consecutive
588 * slots for the highest priority.
589 */
590 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS :
591 NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
592 /* Mapping between the CREDIT_WEIGHT registers and actual client
593 * numbers
594 */
595 if (port) {
596 /*Port 1 has 6 COS*/
597 REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 0x210543);
598 REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x0);
599 } else {
600 /*Port 0 has 9 COS*/
601 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB,
602 0x43210876);
603 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5);
604 }
605
606 /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
607 * as strict. Bits 0,1,2 - debug and management entries, 3 -
608 * COS0 entry, 4 - COS1 entry.
609 * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
610 * bit4 bit3 bit2 bit1 bit0
611 * MCP and debug are strict
612 */
613 if (port)
614 REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f);
615 else
616 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1ff);
617 /* defines which entries (clients) are subjected to WFQ arbitration */
618 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
619 NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
620
621 /* Please notice the register address are note continuous and a
622 * for here is note appropriate.In 2 port mode port0 only COS0-5
623 * can be used. DEBUG1,DEBUG1,MGMT are never used for WFQ* In 4
624 * port mode port1 only COS0-2 can be used. DEBUG1,DEBUG1,MGMT
625 * are never used for WFQ
626 */
627 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
628 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0x0);
629 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
630 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0x0);
631 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
632 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2, 0x0);
633 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_3 :
634 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3, 0x0);
635 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_4 :
636 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4, 0x0);
637 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 :
638 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5, 0x0);
639 if (!port) {
640 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6, 0x0);
641 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7, 0x0);
642 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8, 0x0);
643 }
644
645 bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val);
646 }
647 /******************************************************************************
648 * Description:
649 * Set credit upper bound for PBF.
650 *.
651 ******************************************************************************/
bnx2x_ets_e3b0_set_credit_upper_bound_pbf(const struct link_params * params,const u32 min_w_val)652 static void bnx2x_ets_e3b0_set_credit_upper_bound_pbf(
653 const struct link_params *params,
654 const u32 min_w_val)
655 {
656 struct bnx2x *bp = params->bp;
657 const u32 credit_upper_bound =
658 bnx2x_ets_get_credit_upper_bound(min_w_val);
659 const u8 port = params->port;
660 u32 base_upper_bound = 0;
661 u8 max_cos = 0;
662 u8 i = 0;
663 /* In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4
664 * port mode port1 has COS0-2 that can be used for WFQ.
665 */
666 if (!port) {
667 base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0;
668 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
669 } else {
670 base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1;
671 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
672 }
673
674 for (i = 0; i < max_cos; i++)
675 REG_WR(bp, base_upper_bound + (i << 2), credit_upper_bound);
676 }
677
678 /******************************************************************************
679 * Description:
680 * Will return the PBF ETS registers to init values.Except
681 * credit_upper_bound.
682 * That isn't used in this configuration (No WFQ is enabled) and will be
683 * configured according to spec
684 *.
685 ******************************************************************************/
bnx2x_ets_e3b0_pbf_disabled(const struct link_params * params)686 static void bnx2x_ets_e3b0_pbf_disabled(const struct link_params *params)
687 {
688 struct bnx2x *bp = params->bp;
689 const u8 port = params->port;
690 const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
691 u8 i = 0;
692 u32 base_weight = 0;
693 u8 max_cos = 0;
694
695 /* Mapping between entry priority to client number 0 - COS0
696 * client, 2 - COS1, ... 5 - COS5)(HIGHEST) 4bits client num.
697 * TODO_ETS - Should be done by reset value or init tool
698 */
699 if (port)
700 /* 0x688 (|011|0 10|00 1|000) */
701 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , 0x688);
702 else
703 /* (10 1|100 |011|0 10|00 1|000) */
704 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , 0x2C688);
705
706 /* TODO_ETS - Should be done by reset value or init tool */
707 if (port)
708 /* 0x688 (|011|0 10|00 1|000)*/
709 REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688);
710 else
711 /* 0x2C688 (10 1|100 |011|0 10|00 1|000) */
712 REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688);
713
714 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P1 :
715 PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P0 , 0x100);
716
717
718 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
719 PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , 0);
720
721 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
722 PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0 , 0);
723 /* In 2 port mode port0 has COS0-5 that can be used for WFQ.
724 * In 4 port mode port1 has COS0-2 that can be used for WFQ.
725 */
726 if (!port) {
727 base_weight = PBF_REG_COS0_WEIGHT_P0;
728 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
729 } else {
730 base_weight = PBF_REG_COS0_WEIGHT_P1;
731 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
732 }
733
734 for (i = 0; i < max_cos; i++)
735 REG_WR(bp, base_weight + (0x4 * i), 0);
736
737 bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
738 }
739 /******************************************************************************
740 * Description:
741 * E3B0 disable will return basically the values to init values.
742 *.
743 ******************************************************************************/
bnx2x_ets_e3b0_disabled(const struct link_params * params,const struct link_vars * vars)744 static int bnx2x_ets_e3b0_disabled(const struct link_params *params,
745 const struct link_vars *vars)
746 {
747 struct bnx2x *bp = params->bp;
748
749 if (!CHIP_IS_E3B0(bp)) {
750 DP(NETIF_MSG_LINK,
751 "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
752 return -EINVAL;
753 }
754
755 bnx2x_ets_e3b0_nig_disabled(params, vars);
756
757 bnx2x_ets_e3b0_pbf_disabled(params);
758
759 return 0;
760 }
761
762 /******************************************************************************
763 * Description:
764 * Disable will return basically the values to init values.
765 *
766 ******************************************************************************/
bnx2x_ets_disabled(struct link_params * params,struct link_vars * vars)767 int bnx2x_ets_disabled(struct link_params *params,
768 struct link_vars *vars)
769 {
770 struct bnx2x *bp = params->bp;
771 int bnx2x_status = 0;
772
773 if ((CHIP_IS_E2(bp)) || (CHIP_IS_E3A0(bp)))
774 bnx2x_ets_e2e3a0_disabled(params);
775 else if (CHIP_IS_E3B0(bp))
776 bnx2x_status = bnx2x_ets_e3b0_disabled(params, vars);
777 else {
778 DP(NETIF_MSG_LINK, "bnx2x_ets_disabled - chip not supported\n");
779 return -EINVAL;
780 }
781
782 return bnx2x_status;
783 }
784
785 /******************************************************************************
786 * Description
787 * Set the COS mappimg to SP and BW until this point all the COS are not
788 * set as SP or BW.
789 ******************************************************************************/
bnx2x_ets_e3b0_cli_map(const struct link_params * params,const struct bnx2x_ets_params * ets_params,const u8 cos_sp_bitmap,const u8 cos_bw_bitmap)790 static int bnx2x_ets_e3b0_cli_map(const struct link_params *params,
791 const struct bnx2x_ets_params *ets_params,
792 const u8 cos_sp_bitmap,
793 const u8 cos_bw_bitmap)
794 {
795 struct bnx2x *bp = params->bp;
796 const u8 port = params->port;
797 const u8 nig_cli_sp_bitmap = 0x7 | (cos_sp_bitmap << 3);
798 const u8 pbf_cli_sp_bitmap = cos_sp_bitmap;
799 const u8 nig_cli_subject2wfq_bitmap = cos_bw_bitmap << 3;
800 const u8 pbf_cli_subject2wfq_bitmap = cos_bw_bitmap;
801
802 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT :
803 NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, nig_cli_sp_bitmap);
804
805 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
806 PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , pbf_cli_sp_bitmap);
807
808 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
809 NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ,
810 nig_cli_subject2wfq_bitmap);
811
812 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
813 PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0,
814 pbf_cli_subject2wfq_bitmap);
815
816 return 0;
817 }
818
819 /******************************************************************************
820 * Description:
821 * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
822 * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
823 ******************************************************************************/
bnx2x_ets_e3b0_set_cos_bw(struct bnx2x * bp,const u8 cos_entry,const u32 min_w_val_nig,const u32 min_w_val_pbf,const u16 total_bw,const u8 bw,const u8 port)824 static int bnx2x_ets_e3b0_set_cos_bw(struct bnx2x *bp,
825 const u8 cos_entry,
826 const u32 min_w_val_nig,
827 const u32 min_w_val_pbf,
828 const u16 total_bw,
829 const u8 bw,
830 const u8 port)
831 {
832 u32 nig_reg_adress_crd_weight = 0;
833 u32 pbf_reg_adress_crd_weight = 0;
834 /* Calculate and set BW for this COS - use 1 instead of 0 for BW */
835 const u32 cos_bw_nig = ((bw ? bw : 1) * min_w_val_nig) / total_bw;
836 const u32 cos_bw_pbf = ((bw ? bw : 1) * min_w_val_pbf) / total_bw;
837
838 switch (cos_entry) {
839 case 0:
840 nig_reg_adress_crd_weight =
841 (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
842 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0;
843 pbf_reg_adress_crd_weight = (port) ?
844 PBF_REG_COS0_WEIGHT_P1 : PBF_REG_COS0_WEIGHT_P0;
845 break;
846 case 1:
847 nig_reg_adress_crd_weight = (port) ?
848 NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
849 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1;
850 pbf_reg_adress_crd_weight = (port) ?
851 PBF_REG_COS1_WEIGHT_P1 : PBF_REG_COS1_WEIGHT_P0;
852 break;
853 case 2:
854 nig_reg_adress_crd_weight = (port) ?
855 NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
856 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2;
857
858 pbf_reg_adress_crd_weight = (port) ?
859 PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0;
860 break;
861 case 3:
862 if (port)
863 return -EINVAL;
864 nig_reg_adress_crd_weight = NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3;
865 pbf_reg_adress_crd_weight = PBF_REG_COS3_WEIGHT_P0;
866 break;
867 case 4:
868 if (port)
869 return -EINVAL;
870 nig_reg_adress_crd_weight = NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4;
871 pbf_reg_adress_crd_weight = PBF_REG_COS4_WEIGHT_P0;
872 break;
873 case 5:
874 if (port)
875 return -EINVAL;
876 nig_reg_adress_crd_weight = NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5;
877 pbf_reg_adress_crd_weight = PBF_REG_COS5_WEIGHT_P0;
878 break;
879 }
880
881 REG_WR(bp, nig_reg_adress_crd_weight, cos_bw_nig);
882
883 REG_WR(bp, pbf_reg_adress_crd_weight, cos_bw_pbf);
884
885 return 0;
886 }
887 /******************************************************************************
888 * Description:
889 * Calculate the total BW.A value of 0 isn't legal.
890 *
891 ******************************************************************************/
bnx2x_ets_e3b0_get_total_bw(const struct link_params * params,struct bnx2x_ets_params * ets_params,u16 * total_bw)892 static int bnx2x_ets_e3b0_get_total_bw(
893 const struct link_params *params,
894 struct bnx2x_ets_params *ets_params,
895 u16 *total_bw)
896 {
897 struct bnx2x *bp = params->bp;
898 u8 cos_idx = 0;
899 u8 is_bw_cos_exist = 0;
900
901 *total_bw = 0 ;
902 /* Calculate total BW requested */
903 for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
904 if (ets_params->cos[cos_idx].state == bnx2x_cos_state_bw) {
905 is_bw_cos_exist = 1;
906 if (!ets_params->cos[cos_idx].params.bw_params.bw) {
907 DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config BW"
908 "was set to 0\n");
909 /* This is to prevent a state when ramrods
910 * can't be sent
911 */
912 ets_params->cos[cos_idx].params.bw_params.bw
913 = 1;
914 }
915 *total_bw +=
916 ets_params->cos[cos_idx].params.bw_params.bw;
917 }
918 }
919
920 /* Check total BW is valid */
921 if ((is_bw_cos_exist == 1) && (*total_bw != 100)) {
922 if (*total_bw == 0) {
923 DP(NETIF_MSG_LINK,
924 "bnx2x_ets_E3B0_config total BW shouldn't be 0\n");
925 return -EINVAL;
926 }
927 DP(NETIF_MSG_LINK,
928 "bnx2x_ets_E3B0_config total BW should be 100\n");
929 /* We can handle a case whre the BW isn't 100 this can happen
930 * if the TC are joined.
931 */
932 }
933 return 0;
934 }
935
936 /******************************************************************************
937 * Description:
938 * Invalidate all the sp_pri_to_cos.
939 *
940 ******************************************************************************/
bnx2x_ets_e3b0_sp_pri_to_cos_init(u8 * sp_pri_to_cos)941 static void bnx2x_ets_e3b0_sp_pri_to_cos_init(u8 *sp_pri_to_cos)
942 {
943 u8 pri = 0;
944 for (pri = 0; pri < DCBX_MAX_NUM_COS; pri++)
945 sp_pri_to_cos[pri] = DCBX_INVALID_COS;
946 }
947 /******************************************************************************
948 * Description:
949 * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
950 * according to sp_pri_to_cos.
951 *
952 ******************************************************************************/
bnx2x_ets_e3b0_sp_pri_to_cos_set(const struct link_params * params,u8 * sp_pri_to_cos,const u8 pri,const u8 cos_entry)953 static int bnx2x_ets_e3b0_sp_pri_to_cos_set(const struct link_params *params,
954 u8 *sp_pri_to_cos, const u8 pri,
955 const u8 cos_entry)
956 {
957 struct bnx2x *bp = params->bp;
958 const u8 port = params->port;
959 const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
960 DCBX_E3B0_MAX_NUM_COS_PORT0;
961
962 if (pri >= max_num_of_cos) {
963 DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
964 "parameter Illegal strict priority\n");
965 return -EINVAL;
966 }
967
968 if (sp_pri_to_cos[pri] != DCBX_INVALID_COS) {
969 DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
970 "parameter There can't be two COS's with "
971 "the same strict pri\n");
972 return -EINVAL;
973 }
974
975 sp_pri_to_cos[pri] = cos_entry;
976 return 0;
977
978 }
979
980 /******************************************************************************
981 * Description:
982 * Returns the correct value according to COS and priority in
983 * the sp_pri_cli register.
984 *
985 ******************************************************************************/
bnx2x_e3b0_sp_get_pri_cli_reg(const u8 cos,const u8 cos_offset,const u8 pri_set,const u8 pri_offset,const u8 entry_size)986 static u64 bnx2x_e3b0_sp_get_pri_cli_reg(const u8 cos, const u8 cos_offset,
987 const u8 pri_set,
988 const u8 pri_offset,
989 const u8 entry_size)
990 {
991 u64 pri_cli_nig = 0;
992 pri_cli_nig = ((u64)(cos + cos_offset)) << (entry_size *
993 (pri_set + pri_offset));
994
995 return pri_cli_nig;
996 }
997 /******************************************************************************
998 * Description:
999 * Returns the correct value according to COS and priority in the
1000 * sp_pri_cli register for NIG.
1001 *
1002 ******************************************************************************/
bnx2x_e3b0_sp_get_pri_cli_reg_nig(const u8 cos,const u8 pri_set)1003 static u64 bnx2x_e3b0_sp_get_pri_cli_reg_nig(const u8 cos, const u8 pri_set)
1004 {
1005 /* MCP Dbg0 and dbg1 are always with higher strict pri*/
1006 const u8 nig_cos_offset = 3;
1007 const u8 nig_pri_offset = 3;
1008
1009 return bnx2x_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
1010 nig_pri_offset, 4);
1011
1012 }
1013 /******************************************************************************
1014 * Description:
1015 * Returns the correct value according to COS and priority in the
1016 * sp_pri_cli register for PBF.
1017 *
1018 ******************************************************************************/
bnx2x_e3b0_sp_get_pri_cli_reg_pbf(const u8 cos,const u8 pri_set)1019 static u64 bnx2x_e3b0_sp_get_pri_cli_reg_pbf(const u8 cos, const u8 pri_set)
1020 {
1021 const u8 pbf_cos_offset = 0;
1022 const u8 pbf_pri_offset = 0;
1023
1024 return bnx2x_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
1025 pbf_pri_offset, 3);
1026
1027 }
1028
1029 /******************************************************************************
1030 * Description:
1031 * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
1032 * according to sp_pri_to_cos.(which COS has higher priority)
1033 *
1034 ******************************************************************************/
bnx2x_ets_e3b0_sp_set_pri_cli_reg(const struct link_params * params,u8 * sp_pri_to_cos)1035 static int bnx2x_ets_e3b0_sp_set_pri_cli_reg(const struct link_params *params,
1036 u8 *sp_pri_to_cos)
1037 {
1038 struct bnx2x *bp = params->bp;
1039 u8 i = 0;
1040 const u8 port = params->port;
1041 /* MCP Dbg0 and dbg1 are always with higher strict pri*/
1042 u64 pri_cli_nig = 0x210;
1043 u32 pri_cli_pbf = 0x0;
1044 u8 pri_set = 0;
1045 u8 pri_bitmask = 0;
1046 const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
1047 DCBX_E3B0_MAX_NUM_COS_PORT0;
1048
1049 u8 cos_bit_to_set = (1 << max_num_of_cos) - 1;
1050
1051 /* Set all the strict priority first */
1052 for (i = 0; i < max_num_of_cos; i++) {
1053 if (sp_pri_to_cos[i] != DCBX_INVALID_COS) {
1054 if (sp_pri_to_cos[i] >= DCBX_MAX_NUM_COS) {
1055 DP(NETIF_MSG_LINK,
1056 "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
1057 "invalid cos entry\n");
1058 return -EINVAL;
1059 }
1060
1061 pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
1062 sp_pri_to_cos[i], pri_set);
1063
1064 pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
1065 sp_pri_to_cos[i], pri_set);
1066 pri_bitmask = 1 << sp_pri_to_cos[i];
1067 /* COS is used remove it from bitmap.*/
1068 if (!(pri_bitmask & cos_bit_to_set)) {
1069 DP(NETIF_MSG_LINK,
1070 "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
1071 "invalid There can't be two COS's with"
1072 " the same strict pri\n");
1073 return -EINVAL;
1074 }
1075 cos_bit_to_set &= ~pri_bitmask;
1076 pri_set++;
1077 }
1078 }
1079
1080 /* Set all the Non strict priority i= COS*/
1081 for (i = 0; i < max_num_of_cos; i++) {
1082 pri_bitmask = 1 << i;
1083 /* Check if COS was already used for SP */
1084 if (pri_bitmask & cos_bit_to_set) {
1085 /* COS wasn't used for SP */
1086 pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
1087 i, pri_set);
1088
1089 pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
1090 i, pri_set);
1091 /* COS is used remove it from bitmap.*/
1092 cos_bit_to_set &= ~pri_bitmask;
1093 pri_set++;
1094 }
1095 }
1096
1097 if (pri_set != max_num_of_cos) {
1098 DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_set_pri_cli_reg not all "
1099 "entries were set\n");
1100 return -EINVAL;
1101 }
1102
1103 if (port) {
1104 /* Only 6 usable clients*/
1105 REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
1106 (u32)pri_cli_nig);
1107
1108 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf);
1109 } else {
1110 /* Only 9 usable clients*/
1111 const u32 pri_cli_nig_lsb = (u32) (pri_cli_nig);
1112 const u32 pri_cli_nig_msb = (u32) ((pri_cli_nig >> 32) & 0xF);
1113
1114 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB,
1115 pri_cli_nig_lsb);
1116 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB,
1117 pri_cli_nig_msb);
1118
1119 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf);
1120 }
1121 return 0;
1122 }
1123
1124 /******************************************************************************
1125 * Description:
1126 * Configure the COS to ETS according to BW and SP settings.
1127 ******************************************************************************/
bnx2x_ets_e3b0_config(const struct link_params * params,const struct link_vars * vars,struct bnx2x_ets_params * ets_params)1128 int bnx2x_ets_e3b0_config(const struct link_params *params,
1129 const struct link_vars *vars,
1130 struct bnx2x_ets_params *ets_params)
1131 {
1132 struct bnx2x *bp = params->bp;
1133 int bnx2x_status = 0;
1134 const u8 port = params->port;
1135 u16 total_bw = 0;
1136 const u32 min_w_val_nig = bnx2x_ets_get_min_w_val_nig(vars);
1137 const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
1138 u8 cos_bw_bitmap = 0;
1139 u8 cos_sp_bitmap = 0;
1140 u8 sp_pri_to_cos[DCBX_MAX_NUM_COS] = {0};
1141 const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
1142 DCBX_E3B0_MAX_NUM_COS_PORT0;
1143 u8 cos_entry = 0;
1144
1145 if (!CHIP_IS_E3B0(bp)) {
1146 DP(NETIF_MSG_LINK,
1147 "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
1148 return -EINVAL;
1149 }
1150
1151 if ((ets_params->num_of_cos > max_num_of_cos)) {
1152 DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config the number of COS "
1153 "isn't supported\n");
1154 return -EINVAL;
1155 }
1156
1157 /* Prepare sp strict priority parameters*/
1158 bnx2x_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);
1159
1160 /* Prepare BW parameters*/
1161 bnx2x_status = bnx2x_ets_e3b0_get_total_bw(params, ets_params,
1162 &total_bw);
1163 if (bnx2x_status) {
1164 DP(NETIF_MSG_LINK,
1165 "bnx2x_ets_E3B0_config get_total_bw failed\n");
1166 return -EINVAL;
1167 }
1168
1169 /* Upper bound is set according to current link speed (min_w_val
1170 * should be the same for upper bound and COS credit val).
1171 */
1172 bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig);
1173 bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
1174
1175
1176 for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) {
1177 if (bnx2x_cos_state_bw == ets_params->cos[cos_entry].state) {
1178 cos_bw_bitmap |= (1 << cos_entry);
1179 /* The function also sets the BW in HW(not the mappin
1180 * yet)
1181 */
1182 bnx2x_status = bnx2x_ets_e3b0_set_cos_bw(
1183 bp, cos_entry, min_w_val_nig, min_w_val_pbf,
1184 total_bw,
1185 ets_params->cos[cos_entry].params.bw_params.bw,
1186 port);
1187 } else if (bnx2x_cos_state_strict ==
1188 ets_params->cos[cos_entry].state){
1189 cos_sp_bitmap |= (1 << cos_entry);
1190
1191 bnx2x_status = bnx2x_ets_e3b0_sp_pri_to_cos_set(
1192 params,
1193 sp_pri_to_cos,
1194 ets_params->cos[cos_entry].params.sp_params.pri,
1195 cos_entry);
1196
1197 } else {
1198 DP(NETIF_MSG_LINK,
1199 "bnx2x_ets_e3b0_config cos state not valid\n");
1200 return -EINVAL;
1201 }
1202 if (bnx2x_status) {
1203 DP(NETIF_MSG_LINK,
1204 "bnx2x_ets_e3b0_config set cos bw failed\n");
1205 return bnx2x_status;
1206 }
1207 }
1208
1209 /* Set SP register (which COS has higher priority) */
1210 bnx2x_status = bnx2x_ets_e3b0_sp_set_pri_cli_reg(params,
1211 sp_pri_to_cos);
1212
1213 if (bnx2x_status) {
1214 DP(NETIF_MSG_LINK,
1215 "bnx2x_ets_E3B0_config set_pri_cli_reg failed\n");
1216 return bnx2x_status;
1217 }
1218
1219 /* Set client mapping of BW and strict */
1220 bnx2x_status = bnx2x_ets_e3b0_cli_map(params, ets_params,
1221 cos_sp_bitmap,
1222 cos_bw_bitmap);
1223
1224 if (bnx2x_status) {
1225 DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n");
1226 return bnx2x_status;
1227 }
1228 return 0;
1229 }
bnx2x_ets_bw_limit_common(const struct link_params * params)1230 static void bnx2x_ets_bw_limit_common(const struct link_params *params)
1231 {
1232 /* ETS disabled configuration */
1233 struct bnx2x *bp = params->bp;
1234 DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
1235 /* Defines which entries (clients) are subjected to WFQ arbitration
1236 * COS0 0x8
1237 * COS1 0x10
1238 */
1239 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
1240 /* Mapping between the ARB_CREDIT_WEIGHT registers and actual
1241 * client numbers (WEIGHT_0 does not actually have to represent
1242 * client 0)
1243 * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
1244 * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010
1245 */
1246 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
1247
1248 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
1249 ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1250 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
1251 ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1252
1253 /* ETS mode enabled*/
1254 REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
1255
1256 /* Defines the number of consecutive slots for the strict priority */
1257 REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
1258 /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
1259 * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0
1260 * entry, 4 - COS1 entry.
1261 * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
1262 * bit4 bit3 bit2 bit1 bit0
1263 * MCP and debug are strict
1264 */
1265 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
1266
1267 /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
1268 REG_WR(bp, PBF_REG_COS0_UPPER_BOUND,
1269 ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1270 REG_WR(bp, PBF_REG_COS1_UPPER_BOUND,
1271 ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1272 }
1273
bnx2x_ets_bw_limit(const struct link_params * params,const u32 cos0_bw,const u32 cos1_bw)1274 void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
1275 const u32 cos1_bw)
1276 {
1277 /* ETS disabled configuration*/
1278 struct bnx2x *bp = params->bp;
1279 const u32 total_bw = cos0_bw + cos1_bw;
1280 u32 cos0_credit_weight = 0;
1281 u32 cos1_credit_weight = 0;
1282
1283 DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
1284
1285 if ((!total_bw) ||
1286 (!cos0_bw) ||
1287 (!cos1_bw)) {
1288 DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
1289 return;
1290 }
1291
1292 cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
1293 total_bw;
1294 cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
1295 total_bw;
1296
1297 bnx2x_ets_bw_limit_common(params);
1298
1299 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
1300 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
1301
1302 REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
1303 REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
1304 }
1305
bnx2x_ets_strict(const struct link_params * params,const u8 strict_cos)1306 int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
1307 {
1308 /* ETS disabled configuration*/
1309 struct bnx2x *bp = params->bp;
1310 u32 val = 0;
1311
1312 DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
1313 /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
1314 * as strict. Bits 0,1,2 - debug and management entries,
1315 * 3 - COS0 entry, 4 - COS1 entry.
1316 * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
1317 * bit4 bit3 bit2 bit1 bit0
1318 * MCP and debug are strict
1319 */
1320 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
1321 /* For strict priority entries defines the number of consecutive slots
1322 * for the highest priority.
1323 */
1324 REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
1325 /* ETS mode disable */
1326 REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
1327 /* Defines the number of consecutive slots for the strict priority */
1328 REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
1329
1330 /* Defines the number of consecutive slots for the strict priority */
1331 REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
1332
1333 /* Mapping between entry priority to client number (0,1,2 -debug and
1334 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
1335 * 3bits client num.
1336 * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
1337 * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000
1338 * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000
1339 */
1340 val = (!strict_cos) ? 0x2318 : 0x22E0;
1341 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
1342
1343 return 0;
1344 }
1345
1346 /******************************************************************/
1347 /* PFC section */
1348 /******************************************************************/
bnx2x_update_pfc_xmac(struct link_params * params,struct link_vars * vars,u8 is_lb)1349 static void bnx2x_update_pfc_xmac(struct link_params *params,
1350 struct link_vars *vars,
1351 u8 is_lb)
1352 {
1353 struct bnx2x *bp = params->bp;
1354 u32 xmac_base;
1355 u32 pause_val, pfc0_val, pfc1_val;
1356
1357 /* XMAC base adrr */
1358 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1359
1360 /* Initialize pause and pfc registers */
1361 pause_val = 0x18000;
1362 pfc0_val = 0xFFFF8000;
1363 pfc1_val = 0x2;
1364
1365 /* No PFC support */
1366 if (!(params->feature_config_flags &
1367 FEATURE_CONFIG_PFC_ENABLED)) {
1368
1369 /* RX flow control - Process pause frame in receive direction
1370 */
1371 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
1372 pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
1373
1374 /* TX flow control - Send pause packet when buffer is full */
1375 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
1376 pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
1377 } else {/* PFC support */
1378 pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
1379 XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
1380 XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
1381 XMAC_PFC_CTRL_HI_REG_TX_PFC_EN |
1382 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);
1387 pfc1_val &= ~XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
1388
1389 }
1390
1391 /* Write pause and PFC registers */
1392 REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
1393 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
1394 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
1395
1396
1397 /* Set MAC address for source TX Pause/PFC frames */
1398 REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_LO,
1399 ((params->mac_addr[2] << 24) |
1400 (params->mac_addr[3] << 16) |
1401 (params->mac_addr[4] << 8) |
1402 (params->mac_addr[5])));
1403 REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_HI,
1404 ((params->mac_addr[0] << 8) |
1405 (params->mac_addr[1])));
1406
1407 udelay(30);
1408 }
1409
1410 /******************************************************************/
1411 /* MAC/PBF section */
1412 /******************************************************************/
bnx2x_set_mdio_clk(struct bnx2x * bp,u32 chip_id,u32 emac_base)1413 static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id,
1414 u32 emac_base)
1415 {
1416 u32 new_mode, cur_mode;
1417 u32 clc_cnt;
1418 /* Set clause 45 mode, slow down the MDIO clock to 2.5MHz
1419 * (a value of 49==0x31) and make sure that the AUTO poll is off
1420 */
1421 cur_mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
1422
1423 if (USES_WARPCORE(bp))
1424 clc_cnt = 74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT;
1425 else
1426 clc_cnt = 49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT;
1427
1428 if (((cur_mode & EMAC_MDIO_MODE_CLOCK_CNT) == clc_cnt) &&
1429 (cur_mode & (EMAC_MDIO_MODE_CLAUSE_45)))
1430 return;
1431
1432 new_mode = cur_mode &
1433 ~(EMAC_MDIO_MODE_AUTO_POLL | EMAC_MDIO_MODE_CLOCK_CNT);
1434 new_mode |= clc_cnt;
1435 new_mode |= (EMAC_MDIO_MODE_CLAUSE_45);
1436
1437 DP(NETIF_MSG_LINK, "Changing emac_mode from 0x%x to 0x%x\n",
1438 cur_mode, new_mode);
1439 REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, new_mode);
1440 udelay(40);
1441 }
1442
bnx2x_set_mdio_emac_per_phy(struct bnx2x * bp,struct link_params * params)1443 static void bnx2x_set_mdio_emac_per_phy(struct bnx2x *bp,
1444 struct link_params *params)
1445 {
1446 u8 phy_index;
1447 /* Set mdio clock per phy */
1448 for (phy_index = INT_PHY; phy_index < params->num_phys;
1449 phy_index++)
1450 bnx2x_set_mdio_clk(bp, params->chip_id,
1451 params->phy[phy_index].mdio_ctrl);
1452 }
1453
bnx2x_is_4_port_mode(struct bnx2x * bp)1454 static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
1455 {
1456 u32 port4mode_ovwr_val;
1457 /* Check 4-port override enabled */
1458 port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
1459 if (port4mode_ovwr_val & (1<<0)) {
1460 /* Return 4-port mode override value */
1461 return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
1462 }
1463 /* Return 4-port mode from input pin */
1464 return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
1465 }
1466
bnx2x_emac_init(struct link_params * params,struct link_vars * vars)1467 static void bnx2x_emac_init(struct link_params *params,
1468 struct link_vars *vars)
1469 {
1470 /* reset and unreset the emac core */
1471 struct bnx2x *bp = params->bp;
1472 u8 port = params->port;
1473 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1474 u32 val;
1475 u16 timeout;
1476
1477 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1478 (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
1479 udelay(5);
1480 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1481 (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
1482
1483 /* init emac - use read-modify-write */
1484 /* self clear reset */
1485 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
1486 EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
1487
1488 timeout = 200;
1489 do {
1490 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
1491 DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
1492 if (!timeout) {
1493 DP(NETIF_MSG_LINK, "EMAC timeout!\n");
1494 return;
1495 }
1496 timeout--;
1497 } while (val & EMAC_MODE_RESET);
1498
1499 bnx2x_set_mdio_emac_per_phy(bp, params);
1500 /* Set mac address */
1501 val = ((params->mac_addr[0] << 8) |
1502 params->mac_addr[1]);
1503 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
1504
1505 val = ((params->mac_addr[2] << 24) |
1506 (params->mac_addr[3] << 16) |
1507 (params->mac_addr[4] << 8) |
1508 params->mac_addr[5]);
1509 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
1510 }
1511
bnx2x_set_xumac_nig(struct link_params * params,u16 tx_pause_en,u8 enable)1512 static void bnx2x_set_xumac_nig(struct link_params *params,
1513 u16 tx_pause_en,
1514 u8 enable)
1515 {
1516 struct bnx2x *bp = params->bp;
1517
1518 REG_WR(bp, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
1519 enable);
1520 REG_WR(bp, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
1521 enable);
1522 REG_WR(bp, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
1523 NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
1524 }
1525
bnx2x_set_umac_rxtx(struct link_params * params,u8 en)1526 static void bnx2x_set_umac_rxtx(struct link_params *params, u8 en)
1527 {
1528 u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
1529 u32 val;
1530 struct bnx2x *bp = params->bp;
1531 if (!(REG_RD(bp, MISC_REG_RESET_REG_2) &
1532 (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port)))
1533 return;
1534 val = REG_RD(bp, umac_base + UMAC_REG_COMMAND_CONFIG);
1535 if (en)
1536 val |= (UMAC_COMMAND_CONFIG_REG_TX_ENA |
1537 UMAC_COMMAND_CONFIG_REG_RX_ENA);
1538 else
1539 val &= ~(UMAC_COMMAND_CONFIG_REG_TX_ENA |
1540 UMAC_COMMAND_CONFIG_REG_RX_ENA);
1541 /* Disable RX and TX */
1542 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1543 }
1544
bnx2x_umac_enable(struct link_params * params,struct link_vars * vars,u8 lb)1545 static void bnx2x_umac_enable(struct link_params *params,
1546 struct link_vars *vars, u8 lb)
1547 {
1548 u32 val;
1549 u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
1550 struct bnx2x *bp = params->bp;
1551 /* Reset UMAC */
1552 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1553 (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
1554 usleep_range(1000, 2000);
1555
1556 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1557 (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
1558
1559 DP(NETIF_MSG_LINK, "enabling UMAC\n");
1560
1561 /* This register opens the gate for the UMAC despite its name */
1562 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
1563
1564 val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
1565 UMAC_COMMAND_CONFIG_REG_PAD_EN |
1566 UMAC_COMMAND_CONFIG_REG_SW_RESET |
1567 UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
1568 switch (vars->line_speed) {
1569 case SPEED_10:
1570 val |= (0<<2);
1571 break;
1572 case SPEED_100:
1573 val |= (1<<2);
1574 break;
1575 case SPEED_1000:
1576 val |= (2<<2);
1577 break;
1578 case SPEED_2500:
1579 val |= (3<<2);
1580 break;
1581 default:
1582 DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n",
1583 vars->line_speed);
1584 break;
1585 }
1586 if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1587 val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE;
1588
1589 if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
1590 val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE;
1591
1592 if (vars->duplex == DUPLEX_HALF)
1593 val |= UMAC_COMMAND_CONFIG_REG_HD_ENA;
1594
1595 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1596 udelay(50);
1597
1598 /* Configure UMAC for EEE */
1599 if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
1600 DP(NETIF_MSG_LINK, "configured UMAC for EEE\n");
1601 REG_WR(bp, umac_base + UMAC_REG_UMAC_EEE_CTRL,
1602 UMAC_UMAC_EEE_CTRL_REG_EEE_EN);
1603 REG_WR(bp, umac_base + UMAC_REG_EEE_WAKE_TIMER, 0x11);
1604 } else {
1605 REG_WR(bp, umac_base + UMAC_REG_UMAC_EEE_CTRL, 0x0);
1606 }
1607
1608 /* Set MAC address for source TX Pause/PFC frames (under SW reset) */
1609 REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR0,
1610 ((params->mac_addr[2] << 24) |
1611 (params->mac_addr[3] << 16) |
1612 (params->mac_addr[4] << 8) |
1613 (params->mac_addr[5])));
1614 REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR1,
1615 ((params->mac_addr[0] << 8) |
1616 (params->mac_addr[1])));
1617
1618 /* Enable RX and TX */
1619 val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
1620 val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
1621 UMAC_COMMAND_CONFIG_REG_RX_ENA;
1622 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1623 udelay(50);
1624
1625 /* Remove SW Reset */
1626 val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
1627
1628 /* Check loopback mode */
1629 if (lb)
1630 val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
1631 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1632
1633 /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
1634 * length used by the MAC receive logic to check frames.
1635 */
1636 REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
1637 bnx2x_set_xumac_nig(params,
1638 ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
1639 vars->mac_type = MAC_TYPE_UMAC;
1640
1641 }
1642
1643 /* Define the XMAC mode */
bnx2x_xmac_init(struct link_params * params,u32 max_speed)1644 static void bnx2x_xmac_init(struct link_params *params, u32 max_speed)
1645 {
1646 struct bnx2x *bp = params->bp;
1647 u32 is_port4mode = bnx2x_is_4_port_mode(bp);
1648
1649 /* In 4-port mode, need to set the mode only once, so if XMAC is
1650 * already out of reset, it means the mode has already been set,
1651 * and it must not* reset the XMAC again, since it controls both
1652 * ports of the path
1653 */
1654
1655 if (((CHIP_NUM(bp) == CHIP_NUM_57840_4_10) ||
1656 (CHIP_NUM(bp) == CHIP_NUM_57840_2_20) ||
1657 (CHIP_NUM(bp) == CHIP_NUM_57840_OBSOLETE)) &&
1658 is_port4mode &&
1659 (REG_RD(bp, MISC_REG_RESET_REG_2) &
1660 MISC_REGISTERS_RESET_REG_2_XMAC)) {
1661 DP(NETIF_MSG_LINK,
1662 "XMAC already out of reset in 4-port mode\n");
1663 return;
1664 }
1665
1666 /* Hard reset */
1667 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1668 MISC_REGISTERS_RESET_REG_2_XMAC);
1669 usleep_range(1000, 2000);
1670
1671 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1672 MISC_REGISTERS_RESET_REG_2_XMAC);
1673 if (is_port4mode) {
1674 DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n");
1675
1676 /* Set the number of ports on the system side to up to 2 */
1677 REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);
1678
1679 /* Set the number of ports on the Warp Core to 10G */
1680 REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
1681 } else {
1682 /* Set the number of ports on the system side to 1 */
1683 REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
1684 if (max_speed == SPEED_10000) {
1685 DP(NETIF_MSG_LINK,
1686 "Init XMAC to 10G x 1 port per path\n");
1687 /* Set the number of ports on the Warp Core to 10G */
1688 REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
1689 } else {
1690 DP(NETIF_MSG_LINK,
1691 "Init XMAC to 20G x 2 ports per path\n");
1692 /* Set the number of ports on the Warp Core to 20G */
1693 REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
1694 }
1695 }
1696 /* Soft reset */
1697 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1698 MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
1699 usleep_range(1000, 2000);
1700
1701 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1702 MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
1703
1704 }
1705
bnx2x_set_xmac_rxtx(struct link_params * params,u8 en)1706 static void bnx2x_set_xmac_rxtx(struct link_params *params, u8 en)
1707 {
1708 u8 port = params->port;
1709 struct bnx2x *bp = params->bp;
1710 u32 pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1711 u32 val;
1712
1713 if (REG_RD(bp, MISC_REG_RESET_REG_2) &
1714 MISC_REGISTERS_RESET_REG_2_XMAC) {
1715 /* Send an indication to change the state in the NIG back to XON
1716 * Clearing this bit enables the next set of this bit to get
1717 * rising edge
1718 */
1719 pfc_ctrl = REG_RD(bp, xmac_base + XMAC_REG_PFC_CTRL_HI);
1720 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
1721 (pfc_ctrl & ~(1<<1)));
1722 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
1723 (pfc_ctrl | (1<<1)));
1724 DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
1725 val = REG_RD(bp, xmac_base + XMAC_REG_CTRL);
1726 if (en)
1727 val |= (XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
1728 else
1729 val &= ~(XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
1730 REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
1731 }
1732 }
1733
bnx2x_xmac_enable(struct link_params * params,struct link_vars * vars,u8 lb)1734 static int bnx2x_xmac_enable(struct link_params *params,
1735 struct link_vars *vars, u8 lb)
1736 {
1737 u32 val, xmac_base;
1738 struct bnx2x *bp = params->bp;
1739 DP(NETIF_MSG_LINK, "enabling XMAC\n");
1740
1741 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1742
1743 bnx2x_xmac_init(params, vars->line_speed);
1744
1745 /* This register determines on which events the MAC will assert
1746 * error on the i/f to the NIG along w/ EOP.
1747 */
1748
1749 /* This register tells the NIG whether to send traffic to UMAC
1750 * or XMAC
1751 */
1752 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
1753
1754 /* When XMAC is in XLGMII mode, disable sending idles for fault
1755 * detection.
1756 */
1757 if (!(params->phy[INT_PHY].flags & FLAGS_TX_ERROR_CHECK)) {
1758 REG_WR(bp, xmac_base + XMAC_REG_RX_LSS_CTRL,
1759 (XMAC_RX_LSS_CTRL_REG_LOCAL_FAULT_DISABLE |
1760 XMAC_RX_LSS_CTRL_REG_REMOTE_FAULT_DISABLE));
1761 REG_WR(bp, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
1762 REG_WR(bp, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
1763 XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
1764 XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
1765 }
1766 /* Set Max packet size */
1767 REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
1768
1769 /* CRC append for Tx packets */
1770 REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
1771
1772 /* update PFC */
1773 bnx2x_update_pfc_xmac(params, vars, 0);
1774
1775 if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
1776 DP(NETIF_MSG_LINK, "Setting XMAC for EEE\n");
1777 REG_WR(bp, xmac_base + XMAC_REG_EEE_TIMERS_HI, 0x1380008);
1778 REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x1);
1779 } else {
1780 REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x0);
1781 }
1782
1783 /* Enable TX and RX */
1784 val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
1785
1786 /* Set MAC in XLGMII mode for dual-mode */
1787 if ((vars->line_speed == SPEED_20000) &&
1788 (params->phy[INT_PHY].supported &
1789 SUPPORTED_20000baseKR2_Full))
1790 val |= XMAC_CTRL_REG_XLGMII_ALIGN_ENB;
1791
1792 /* Check loopback mode */
1793 if (lb)
1794 val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK;
1795 REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
1796 bnx2x_set_xumac_nig(params,
1797 ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
1798
1799 vars->mac_type = MAC_TYPE_XMAC;
1800
1801 return 0;
1802 }
1803
bnx2x_emac_enable(struct link_params * params,struct link_vars * vars,u8 lb)1804 static int bnx2x_emac_enable(struct link_params *params,
1805 struct link_vars *vars, u8 lb)
1806 {
1807 struct bnx2x *bp = params->bp;
1808 u8 port = params->port;
1809 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1810 u32 val;
1811
1812 DP(NETIF_MSG_LINK, "enabling EMAC\n");
1813
1814 /* Disable BMAC */
1815 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1816 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
1817
1818 /* enable emac and not bmac */
1819 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
1820
1821 /* ASIC */
1822 if (vars->phy_flags & PHY_XGXS_FLAG) {
1823 u32 ser_lane = ((params->lane_config &
1824 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
1825 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
1826
1827 DP(NETIF_MSG_LINK, "XGXS\n");
1828 /* select the master lanes (out of 0-3) */
1829 REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
1830 /* select XGXS */
1831 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
1832
1833 } else { /* SerDes */
1834 DP(NETIF_MSG_LINK, "SerDes\n");
1835 /* select SerDes */
1836 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
1837 }
1838
1839 bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
1840 EMAC_RX_MODE_RESET);
1841 bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
1842 EMAC_TX_MODE_RESET);
1843
1844 /* pause enable/disable */
1845 bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
1846 EMAC_RX_MODE_FLOW_EN);
1847
1848 bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
1849 (EMAC_TX_MODE_EXT_PAUSE_EN |
1850 EMAC_TX_MODE_FLOW_EN));
1851 if (!(params->feature_config_flags &
1852 FEATURE_CONFIG_PFC_ENABLED)) {
1853 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
1854 bnx2x_bits_en(bp, emac_base +
1855 EMAC_REG_EMAC_RX_MODE,
1856 EMAC_RX_MODE_FLOW_EN);
1857
1858 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
1859 bnx2x_bits_en(bp, emac_base +
1860 EMAC_REG_EMAC_TX_MODE,
1861 (EMAC_TX_MODE_EXT_PAUSE_EN |
1862 EMAC_TX_MODE_FLOW_EN));
1863 } else
1864 bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
1865 EMAC_TX_MODE_FLOW_EN);
1866
1867 /* KEEP_VLAN_TAG, promiscuous */
1868 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
1869 val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
1870
1871 /* Setting this bit causes MAC control frames (except for pause
1872 * frames) to be passed on for processing. This setting has no
1873 * affect on the operation of the pause frames. This bit effects
1874 * all packets regardless of RX Parser packet sorting logic.
1875 * Turn the PFC off to make sure we are in Xon state before
1876 * enabling it.
1877 */
1878 EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
1879 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
1880 DP(NETIF_MSG_LINK, "PFC is enabled\n");
1881 /* Enable PFC again */
1882 EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
1883 EMAC_REG_RX_PFC_MODE_RX_EN |
1884 EMAC_REG_RX_PFC_MODE_TX_EN |
1885 EMAC_REG_RX_PFC_MODE_PRIORITIES);
1886
1887 EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
1888 ((0x0101 <<
1889 EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
1890 (0x00ff <<
1891 EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
1892 val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
1893 }
1894 EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
1895
1896 /* Set Loopback */
1897 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
1898 if (lb)
1899 val |= 0x810;
1900 else
1901 val &= ~0x810;
1902 EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
1903
1904 /* Enable emac */
1905 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
1906
1907 /* Enable emac for jumbo packets */
1908 EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
1909 (EMAC_RX_MTU_SIZE_JUMBO_ENA |
1910 (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVERHEAD)));
1911
1912 /* Strip CRC */
1913 REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
1914
1915 /* Disable the NIG in/out to the bmac */
1916 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
1917 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
1918 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
1919
1920 /* Enable the NIG in/out to the emac */
1921 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
1922 val = 0;
1923 if ((params->feature_config_flags &
1924 FEATURE_CONFIG_PFC_ENABLED) ||
1925 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1926 val = 1;
1927
1928 REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
1929 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
1930
1931 REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
1932
1933 vars->mac_type = MAC_TYPE_EMAC;
1934 return 0;
1935 }
1936
bnx2x_update_pfc_bmac1(struct link_params * params,struct link_vars * vars)1937 static void bnx2x_update_pfc_bmac1(struct link_params *params,
1938 struct link_vars *vars)
1939 {
1940 u32 wb_data[2];
1941 struct bnx2x *bp = params->bp;
1942 u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
1943 NIG_REG_INGRESS_BMAC0_MEM;
1944
1945 u32 val = 0x14;
1946 if ((!(params->feature_config_flags &
1947 FEATURE_CONFIG_PFC_ENABLED)) &&
1948 (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
1949 /* Enable BigMAC to react on received Pause packets */
1950 val |= (1<<5);
1951 wb_data[0] = val;
1952 wb_data[1] = 0;
1953 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
1954
1955 /* TX control */
1956 val = 0xc0;
1957 if (!(params->feature_config_flags &
1958 FEATURE_CONFIG_PFC_ENABLED) &&
1959 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1960 val |= 0x800000;
1961 wb_data[0] = val;
1962 wb_data[1] = 0;
1963 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
1964 }
1965
bnx2x_update_pfc_bmac2(struct link_params * params,struct link_vars * vars,u8 is_lb)1966 static void bnx2x_update_pfc_bmac2(struct link_params *params,
1967 struct link_vars *vars,
1968 u8 is_lb)
1969 {
1970 /* Set rx control: Strip CRC and enable BigMAC to relay
1971 * control packets to the system as well
1972 */
1973 u32 wb_data[2];
1974 struct bnx2x *bp = params->bp;
1975 u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
1976 NIG_REG_INGRESS_BMAC0_MEM;
1977 u32 val = 0x14;
1978
1979 if ((!(params->feature_config_flags &
1980 FEATURE_CONFIG_PFC_ENABLED)) &&
1981 (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
1982 /* Enable BigMAC to react on received Pause packets */
1983 val |= (1<<5);
1984 wb_data[0] = val;
1985 wb_data[1] = 0;
1986 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
1987 udelay(30);
1988
1989 /* Tx control */
1990 val = 0xc0;
1991 if (!(params->feature_config_flags &
1992 FEATURE_CONFIG_PFC_ENABLED) &&
1993 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1994 val |= 0x800000;
1995 wb_data[0] = val;
1996 wb_data[1] = 0;
1997 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
1998
1999 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
2000 DP(NETIF_MSG_LINK, "PFC is enabled\n");
2001 /* Enable PFC RX & TX & STATS and set 8 COS */
2002 wb_data[0] = 0x0;
2003 wb_data[0] |= (1<<0); /* RX */
2004 wb_data[0] |= (1<<1); /* TX */
2005 wb_data[0] |= (1<<2); /* Force initial Xon */
2006 wb_data[0] |= (1<<3); /* 8 cos */
2007 wb_data[0] |= (1<<5); /* STATS */
2008 wb_data[1] = 0;
2009 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
2010 wb_data, 2);
2011 /* Clear the force Xon */
2012 wb_data[0] &= ~(1<<2);
2013 } else {
2014 DP(NETIF_MSG_LINK, "PFC is disabled\n");
2015 /* Disable PFC RX & TX & STATS and set 8 COS */
2016 wb_data[0] = 0x8;
2017 wb_data[1] = 0;
2018 }
2019
2020 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
2021
2022 /* Set Time (based unit is 512 bit time) between automatic
2023 * re-sending of PP packets amd enable automatic re-send of
2024 * Per-Priroity Packet as long as pp_gen is asserted and
2025 * pp_disable is low.
2026 */
2027 val = 0x8000;
2028 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
2029 val |= (1<<16); /* enable automatic re-send */
2030
2031 wb_data[0] = val;
2032 wb_data[1] = 0;
2033 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
2034 wb_data, 2);
2035
2036 /* mac control */
2037 val = 0x3; /* Enable RX and TX */
2038 if (is_lb) {
2039 val |= 0x4; /* Local loopback */
2040 DP(NETIF_MSG_LINK, "enable bmac loopback\n");
2041 }
2042 /* When PFC enabled, Pass pause frames towards the NIG. */
2043 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
2044 val |= ((1<<6)|(1<<5));
2045
2046 wb_data[0] = val;
2047 wb_data[1] = 0;
2048 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
2049 }
2050
2051 /******************************************************************************
2052 * Description:
2053 * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
2054 * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
2055 ******************************************************************************/
bnx2x_pfc_nig_rx_priority_mask(struct bnx2x * bp,u8 cos_entry,u32 priority_mask,u8 port)2056 static int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
2057 u8 cos_entry,
2058 u32 priority_mask, u8 port)
2059 {
2060 u32 nig_reg_rx_priority_mask_add = 0;
2061
2062 switch (cos_entry) {
2063 case 0:
2064 nig_reg_rx_priority_mask_add = (port) ?
2065 NIG_REG_P1_RX_COS0_PRIORITY_MASK :
2066 NIG_REG_P0_RX_COS0_PRIORITY_MASK;
2067 break;
2068 case 1:
2069 nig_reg_rx_priority_mask_add = (port) ?
2070 NIG_REG_P1_RX_COS1_PRIORITY_MASK :
2071 NIG_REG_P0_RX_COS1_PRIORITY_MASK;
2072 break;
2073 case 2:
2074 nig_reg_rx_priority_mask_add = (port) ?
2075 NIG_REG_P1_RX_COS2_PRIORITY_MASK :
2076 NIG_REG_P0_RX_COS2_PRIORITY_MASK;
2077 break;
2078 case 3:
2079 if (port)
2080 return -EINVAL;
2081 nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
2082 break;
2083 case 4:
2084 if (port)
2085 return -EINVAL;
2086 nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
2087 break;
2088 case 5:
2089 if (port)
2090 return -EINVAL;
2091 nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
2092 break;
2093 }
2094
2095 REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);
2096
2097 return 0;
2098 }
bnx2x_update_mng(struct link_params * params,u32 link_status)2099 static void bnx2x_update_mng(struct link_params *params, u32 link_status)
2100 {
2101 struct bnx2x *bp = params->bp;
2102
2103 REG_WR(bp, params->shmem_base +
2104 offsetof(struct shmem_region,
2105 port_mb[params->port].link_status), link_status);
2106 }
2107
bnx2x_update_link_attr(struct link_params * params,u32 link_attr)2108 static void bnx2x_update_link_attr(struct link_params *params, u32 link_attr)
2109 {
2110 struct bnx2x *bp = params->bp;
2111
2112 if (SHMEM2_HAS(bp, link_attr_sync))
2113 REG_WR(bp, params->shmem2_base +
2114 offsetof(struct shmem2_region,
2115 link_attr_sync[params->port]), link_attr);
2116 }
2117
bnx2x_update_pfc_nig(struct link_params * params,struct link_vars * vars,struct bnx2x_nig_brb_pfc_port_params * nig_params)2118 static void bnx2x_update_pfc_nig(struct link_params *params,
2119 struct link_vars *vars,
2120 struct bnx2x_nig_brb_pfc_port_params *nig_params)
2121 {
2122 u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
2123 u32 llfc_enable = 0, xcm_out_en = 0, hwpfc_enable = 0;
2124 u32 pkt_priority_to_cos = 0;
2125 struct bnx2x *bp = params->bp;
2126 u8 port = params->port;
2127
2128 int set_pfc = params->feature_config_flags &
2129 FEATURE_CONFIG_PFC_ENABLED;
2130 DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
2131
2132 /* When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
2133 * MAC control frames (that are not pause packets)
2134 * will be forwarded to the XCM.
2135 */
2136 xcm_mask = REG_RD(bp, port ? NIG_REG_LLH1_XCM_MASK :
2137 NIG_REG_LLH0_XCM_MASK);
2138 /* NIG params will override non PFC params, since it's possible to
2139 * do transition from PFC to SAFC
2140 */
2141 if (set_pfc) {
2142 pause_enable = 0;
2143 llfc_out_en = 0;
2144 llfc_enable = 0;
2145 if (CHIP_IS_E3(bp))
2146 ppp_enable = 0;
2147 else
2148 ppp_enable = 1;
2149 xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
2150 NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
2151 xcm_out_en = 0;
2152 hwpfc_enable = 1;
2153 } else {
2154 if (nig_params) {
2155 llfc_out_en = nig_params->llfc_out_en;
2156 llfc_enable = nig_params->llfc_enable;
2157 pause_enable = nig_params->pause_enable;
2158 } else /* Default non PFC mode - PAUSE */
2159 pause_enable = 1;
2160
2161 xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
2162 NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
2163 xcm_out_en = 1;
2164 }
2165
2166 if (CHIP_IS_E3(bp))
2167 REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
2168 NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
2169 REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
2170 NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
2171 REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
2172 NIG_REG_LLFC_ENABLE_0, llfc_enable);
2173 REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
2174 NIG_REG_PAUSE_ENABLE_0, pause_enable);
2175
2176 REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
2177 NIG_REG_PPP_ENABLE_0, ppp_enable);
2178
2179 REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
2180 NIG_REG_LLH0_XCM_MASK, xcm_mask);
2181
2182 REG_WR(bp, port ? NIG_REG_LLFC_EGRESS_SRC_ENABLE_1 :
2183 NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
2184
2185 /* Output enable for RX_XCM # IF */
2186 REG_WR(bp, port ? NIG_REG_XCM1_OUT_EN :
2187 NIG_REG_XCM0_OUT_EN, xcm_out_en);
2188
2189 /* HW PFC TX enable */
2190 REG_WR(bp, port ? NIG_REG_P1_HWPFC_ENABLE :
2191 NIG_REG_P0_HWPFC_ENABLE, hwpfc_enable);
2192
2193 if (nig_params) {
2194 u8 i = 0;
2195 pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
2196
2197 for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
2198 bnx2x_pfc_nig_rx_priority_mask(bp, i,
2199 nig_params->rx_cos_priority_mask[i], port);
2200
2201 REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
2202 NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
2203 nig_params->llfc_high_priority_classes);
2204
2205 REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
2206 NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
2207 nig_params->llfc_low_priority_classes);
2208 }
2209 REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
2210 NIG_REG_P0_PKT_PRIORITY_TO_COS,
2211 pkt_priority_to_cos);
2212 }
2213
bnx2x_update_pfc(struct link_params * params,struct link_vars * vars,struct bnx2x_nig_brb_pfc_port_params * pfc_params)2214 int bnx2x_update_pfc(struct link_params *params,
2215 struct link_vars *vars,
2216 struct bnx2x_nig_brb_pfc_port_params *pfc_params)
2217 {
2218 /* The PFC and pause are orthogonal to one another, meaning when
2219 * PFC is enabled, the pause are disabled, and when PFC is
2220 * disabled, pause are set according to the pause result.
2221 */
2222 u32 val;
2223 struct bnx2x *bp = params->bp;
2224 u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
2225
2226 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
2227 vars->link_status |= LINK_STATUS_PFC_ENABLED;
2228 else
2229 vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
2230
2231 bnx2x_update_mng(params, vars->link_status);
2232
2233 /* Update NIG params */
2234 bnx2x_update_pfc_nig(params, vars, pfc_params);
2235
2236 if (!vars->link_up)
2237 return 0;
2238
2239 DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
2240
2241 if (CHIP_IS_E3(bp)) {
2242 if (vars->mac_type == MAC_TYPE_XMAC)
2243 bnx2x_update_pfc_xmac(params, vars, 0);
2244 } else {
2245 val = REG_RD(bp, MISC_REG_RESET_REG_2);
2246 if ((val &
2247 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
2248 == 0) {
2249 DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
2250 bnx2x_emac_enable(params, vars, 0);
2251 return 0;
2252 }
2253 if (CHIP_IS_E2(bp))
2254 bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
2255 else
2256 bnx2x_update_pfc_bmac1(params, vars);
2257
2258 val = 0;
2259 if ((params->feature_config_flags &
2260 FEATURE_CONFIG_PFC_ENABLED) ||
2261 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
2262 val = 1;
2263 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
2264 }
2265 return 0;
2266 }
2267
bnx2x_bmac1_enable(struct link_params * params,struct link_vars * vars,u8 is_lb)2268 static int bnx2x_bmac1_enable(struct link_params *params,
2269 struct link_vars *vars,
2270 u8 is_lb)
2271 {
2272 struct bnx2x *bp = params->bp;
2273 u8 port = params->port;
2274 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2275 NIG_REG_INGRESS_BMAC0_MEM;
2276 u32 wb_data[2];
2277 u32 val;
2278
2279 DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
2280
2281 /* XGXS control */
2282 wb_data[0] = 0x3c;
2283 wb_data[1] = 0;
2284 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
2285 wb_data, 2);
2286
2287 /* TX MAC SA */
2288 wb_data[0] = ((params->mac_addr[2] << 24) |
2289 (params->mac_addr[3] << 16) |
2290 (params->mac_addr[4] << 8) |
2291 params->mac_addr[5]);
2292 wb_data[1] = ((params->mac_addr[0] << 8) |
2293 params->mac_addr[1]);
2294 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
2295
2296 /* MAC control */
2297 val = 0x3;
2298 if (is_lb) {
2299 val |= 0x4;
2300 DP(NETIF_MSG_LINK, "enable bmac loopback\n");
2301 }
2302 wb_data[0] = val;
2303 wb_data[1] = 0;
2304 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
2305
2306 /* Set rx mtu */
2307 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVERHEAD;
2308 wb_data[1] = 0;
2309 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
2310
2311 bnx2x_update_pfc_bmac1(params, vars);
2312
2313 /* Set tx mtu */
2314 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVERHEAD;
2315 wb_data[1] = 0;
2316 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
2317
2318 /* Set cnt max size */
2319 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVERHEAD;
2320 wb_data[1] = 0;
2321 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
2322
2323 /* Configure SAFC */
2324 wb_data[0] = 0x1000200;
2325 wb_data[1] = 0;
2326 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
2327 wb_data, 2);
2328
2329 return 0;
2330 }
2331
bnx2x_bmac2_enable(struct link_params * params,struct link_vars * vars,u8 is_lb)2332 static int bnx2x_bmac2_enable(struct link_params *params,
2333 struct link_vars *vars,
2334 u8 is_lb)
2335 {
2336 struct bnx2x *bp = params->bp;
2337 u8 port = params->port;
2338 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2339 NIG_REG_INGRESS_BMAC0_MEM;
2340 u32 wb_data[2];
2341
2342 DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
2343
2344 wb_data[0] = 0;
2345 wb_data[1] = 0;
2346 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
2347 udelay(30);
2348
2349 /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
2350 wb_data[0] = 0x3c;
2351 wb_data[1] = 0;
2352 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
2353 wb_data, 2);
2354
2355 udelay(30);
2356
2357 /* TX MAC SA */
2358 wb_data[0] = ((params->mac_addr[2] << 24) |
2359 (params->mac_addr[3] << 16) |
2360 (params->mac_addr[4] << 8) |
2361 params->mac_addr[5]);
2362 wb_data[1] = ((params->mac_addr[0] << 8) |
2363 params->mac_addr[1]);
2364 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
2365 wb_data, 2);
2366
2367 udelay(30);
2368
2369 /* Configure SAFC */
2370 wb_data[0] = 0x1000200;
2371 wb_data[1] = 0;
2372 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
2373 wb_data, 2);
2374 udelay(30);
2375
2376 /* Set RX MTU */
2377 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVERHEAD;
2378 wb_data[1] = 0;
2379 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
2380 udelay(30);
2381
2382 /* Set TX MTU */
2383 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVERHEAD;
2384 wb_data[1] = 0;
2385 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
2386 udelay(30);
2387 /* Set cnt max size */
2388 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVERHEAD - 2;
2389 wb_data[1] = 0;
2390 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
2391 udelay(30);
2392 bnx2x_update_pfc_bmac2(params, vars, is_lb);
2393
2394 return 0;
2395 }
2396
bnx2x_bmac_enable(struct link_params * params,struct link_vars * vars,u8 is_lb,u8 reset_bmac)2397 static int bnx2x_bmac_enable(struct link_params *params,
2398 struct link_vars *vars,
2399 u8 is_lb, u8 reset_bmac)
2400 {
2401 int rc = 0;
2402 u8 port = params->port;
2403 struct bnx2x *bp = params->bp;
2404 u32 val;
2405 /* Reset and unreset the BigMac */
2406 if (reset_bmac) {
2407 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
2408 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
2409 usleep_range(1000, 2000);
2410 }
2411
2412 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
2413 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
2414
2415 /* Enable access for bmac registers */
2416 REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
2417
2418 /* Enable BMAC according to BMAC type*/
2419 if (CHIP_IS_E2(bp))
2420 rc = bnx2x_bmac2_enable(params, vars, is_lb);
2421 else
2422 rc = bnx2x_bmac1_enable(params, vars, is_lb);
2423 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
2424 REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
2425 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
2426 val = 0;
2427 if ((params->feature_config_flags &
2428 FEATURE_CONFIG_PFC_ENABLED) ||
2429 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
2430 val = 1;
2431 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
2432 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
2433 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
2434 REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
2435 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
2436 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
2437
2438 vars->mac_type = MAC_TYPE_BMAC;
2439 return rc;
2440 }
2441
bnx2x_set_bmac_rx(struct bnx2x * bp,u32 chip_id,u8 port,u8 en)2442 static void bnx2x_set_bmac_rx(struct bnx2x *bp, u32 chip_id, u8 port, u8 en)
2443 {
2444 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2445 NIG_REG_INGRESS_BMAC0_MEM;
2446 u32 wb_data[2];
2447 u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
2448
2449 if (CHIP_IS_E2(bp))
2450 bmac_addr += BIGMAC2_REGISTER_BMAC_CONTROL;
2451 else
2452 bmac_addr += BIGMAC_REGISTER_BMAC_CONTROL;
2453 /* Only if the bmac is out of reset */
2454 if (REG_RD(bp, MISC_REG_RESET_REG_2) &
2455 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
2456 nig_bmac_enable) {
2457 /* Clear Rx Enable bit in BMAC_CONTROL register */
2458 REG_RD_DMAE(bp, bmac_addr, wb_data, 2);
2459 if (en)
2460 wb_data[0] |= BMAC_CONTROL_RX_ENABLE;
2461 else
2462 wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
2463 REG_WR_DMAE(bp, bmac_addr, wb_data, 2);
2464 usleep_range(1000, 2000);
2465 }
2466 }
2467
bnx2x_pbf_update(struct link_params * params,u32 flow_ctrl,u32 line_speed)2468 static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
2469 u32 line_speed)
2470 {
2471 struct bnx2x *bp = params->bp;
2472 u8 port = params->port;
2473 u32 init_crd, crd;
2474 u32 count = 1000;
2475
2476 /* Disable port */
2477 REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
2478
2479 /* Wait for init credit */
2480 init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
2481 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2482 DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
2483
2484 while ((init_crd != crd) && count) {
2485 usleep_range(5000, 10000);
2486 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2487 count--;
2488 }
2489 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2490 if (init_crd != crd) {
2491 DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
2492 init_crd, crd);
2493 return -EINVAL;
2494 }
2495
2496 if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
2497 line_speed == SPEED_10 ||
2498 line_speed == SPEED_100 ||
2499 line_speed == SPEED_1000 ||
2500 line_speed == SPEED_2500) {
2501 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
2502 /* Update threshold */
2503 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
2504 /* Update init credit */
2505 init_crd = 778; /* (800-18-4) */
2506
2507 } else {
2508 u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
2509 ETH_OVERHEAD)/16;
2510 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
2511 /* Update threshold */
2512 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
2513 /* Update init credit */
2514 switch (line_speed) {
2515 case SPEED_10000:
2516 init_crd = thresh + 553 - 22;
2517 break;
2518 default:
2519 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
2520 line_speed);
2521 return -EINVAL;
2522 }
2523 }
2524 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
2525 DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
2526 line_speed, init_crd);
2527
2528 /* Probe the credit changes */
2529 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
2530 usleep_range(5000, 10000);
2531 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
2532
2533 /* Enable port */
2534 REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
2535 return 0;
2536 }
2537
2538 /**
2539 * bnx2x_get_emac_base - retrive emac base address
2540 *
2541 * @bp: driver handle
2542 * @mdc_mdio_access: access type
2543 * @port: port id
2544 *
2545 * This function selects the MDC/MDIO access (through emac0 or
2546 * emac1) depend on the mdc_mdio_access, port, port swapped. Each
2547 * phy has a default access mode, which could also be overridden
2548 * by nvram configuration. This parameter, whether this is the
2549 * default phy configuration, or the nvram overrun
2550 * configuration, is passed here as mdc_mdio_access and selects
2551 * the emac_base for the CL45 read/writes operations
2552 */
bnx2x_get_emac_base(struct bnx2x * bp,u32 mdc_mdio_access,u8 port)2553 static u32 bnx2x_get_emac_base(struct bnx2x *bp,
2554 u32 mdc_mdio_access, u8 port)
2555 {
2556 u32 emac_base = 0;
2557 switch (mdc_mdio_access) {
2558 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
2559 break;
2560 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
2561 if (REG_RD(bp, NIG_REG_PORT_SWAP))
2562 emac_base = GRCBASE_EMAC1;
2563 else
2564 emac_base = GRCBASE_EMAC0;
2565 break;
2566 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
2567 if (REG_RD(bp, NIG_REG_PORT_SWAP))
2568 emac_base = GRCBASE_EMAC0;
2569 else
2570 emac_base = GRCBASE_EMAC1;
2571 break;
2572 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
2573 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
2574 break;
2575 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
2576 emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
2577 break;
2578 default:
2579 break;
2580 }
2581 return emac_base;
2582
2583 }
2584
2585 /******************************************************************/
2586 /* CL22 access functions */
2587 /******************************************************************/
bnx2x_cl22_write(struct bnx2x * bp,struct bnx2x_phy * phy,u16 reg,u16 val)2588 static int bnx2x_cl22_write(struct bnx2x *bp,
2589 struct bnx2x_phy *phy,
2590 u16 reg, u16 val)
2591 {
2592 u32 tmp, mode;
2593 u8 i;
2594 int rc = 0;
2595 /* Switch to CL22 */
2596 mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
2597 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
2598 mode & ~EMAC_MDIO_MODE_CLAUSE_45);
2599
2600 /* Address */
2601 tmp = ((phy->addr << 21) | (reg << 16) | val |
2602 EMAC_MDIO_COMM_COMMAND_WRITE_22 |
2603 EMAC_MDIO_COMM_START_BUSY);
2604 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
2605
2606 for (i = 0; i < 50; i++) {
2607 udelay(10);
2608
2609 tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2610 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
2611 udelay(5);
2612 break;
2613 }
2614 }
2615 if (tmp & EMAC_MDIO_COMM_START_BUSY) {
2616 DP(NETIF_MSG_LINK, "write phy register failed\n");
2617 rc = -EFAULT;
2618 }
2619 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
2620 return rc;
2621 }
2622
bnx2x_cl22_read(struct bnx2x * bp,struct bnx2x_phy * phy,u16 reg,u16 * ret_val)2623 static int bnx2x_cl22_read(struct bnx2x *bp,
2624 struct bnx2x_phy *phy,
2625 u16 reg, u16 *ret_val)
2626 {
2627 u32 val, mode;
2628 u16 i;
2629 int rc = 0;
2630
2631 /* Switch to CL22 */
2632 mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
2633 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
2634 mode & ~EMAC_MDIO_MODE_CLAUSE_45);
2635
2636 /* Address */
2637 val = ((phy->addr << 21) | (reg << 16) |
2638 EMAC_MDIO_COMM_COMMAND_READ_22 |
2639 EMAC_MDIO_COMM_START_BUSY);
2640 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
2641
2642 for (i = 0; i < 50; i++) {
2643 udelay(10);
2644
2645 val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2646 if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
2647 *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
2648 udelay(5);
2649 break;
2650 }
2651 }
2652 if (val & EMAC_MDIO_COMM_START_BUSY) {
2653 DP(NETIF_MSG_LINK, "read phy register failed\n");
2654
2655 *ret_val = 0;
2656 rc = -EFAULT;
2657 }
2658 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
2659 return rc;
2660 }
2661
2662 /******************************************************************/
2663 /* CL45 access functions */
2664 /******************************************************************/
bnx2x_cl45_read(struct bnx2x * bp,struct bnx2x_phy * phy,u8 devad,u16 reg,u16 * ret_val)2665 static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
2666 u8 devad, u16 reg, u16 *ret_val)
2667 {
2668 u32 val;
2669 u16 i;
2670 int rc = 0;
2671 u32 chip_id;
2672 if (phy->flags & FLAGS_MDC_MDIO_WA_G) {
2673 chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
2674 ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
2675 bnx2x_set_mdio_clk(bp, chip_id, phy->mdio_ctrl);
2676 }
2677
2678 if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
2679 bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
2680 EMAC_MDIO_STATUS_10MB);
2681 /* Address */
2682 val = ((phy->addr << 21) | (devad << 16) | reg |
2683 EMAC_MDIO_COMM_COMMAND_ADDRESS |
2684 EMAC_MDIO_COMM_START_BUSY);
2685 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
2686
2687 for (i = 0; i < 50; i++) {
2688 udelay(10);
2689
2690 val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2691 if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
2692 udelay(5);
2693 break;
2694 }
2695 }
2696 if (val & EMAC_MDIO_COMM_START_BUSY) {
2697 DP(NETIF_MSG_LINK, "read phy register failed\n");
2698 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
2699 *ret_val = 0;
2700 rc = -EFAULT;
2701 } else {
2702 /* Data */
2703 val = ((phy->addr << 21) | (devad << 16) |
2704 EMAC_MDIO_COMM_COMMAND_READ_45 |
2705 EMAC_MDIO_COMM_START_BUSY);
2706 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
2707
2708 for (i = 0; i < 50; i++) {
2709 udelay(10);
2710
2711 val = REG_RD(bp, phy->mdio_ctrl +
2712 EMAC_REG_EMAC_MDIO_COMM);
2713 if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
2714 *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
2715 break;
2716 }
2717 }
2718 if (val & EMAC_MDIO_COMM_START_BUSY) {
2719 DP(NETIF_MSG_LINK, "read phy register failed\n");
2720 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
2721 *ret_val = 0;
2722 rc = -EFAULT;
2723 }
2724 }
2725 /* Work around for E3 A0 */
2726 if (phy->flags & FLAGS_MDC_MDIO_WA) {
2727 phy->flags ^= FLAGS_DUMMY_READ;
2728 if (phy->flags & FLAGS_DUMMY_READ) {
2729 u16 temp_val;
2730 bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
2731 }
2732 }
2733
2734 if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
2735 bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
2736 EMAC_MDIO_STATUS_10MB);
2737 return rc;
2738 }
2739
bnx2x_cl45_write(struct bnx2x * bp,struct bnx2x_phy * phy,u8 devad,u16 reg,u16 val)2740 static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
2741 u8 devad, u16 reg, u16 val)
2742 {
2743 u32 tmp;
2744 u8 i;
2745 int rc = 0;
2746 u32 chip_id;
2747 if (phy->flags & FLAGS_MDC_MDIO_WA_G) {
2748 chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
2749 ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
2750 bnx2x_set_mdio_clk(bp, chip_id, phy->mdio_ctrl);
2751 }
2752
2753 if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
2754 bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
2755 EMAC_MDIO_STATUS_10MB);
2756
2757 /* Address */
2758 tmp = ((phy->addr << 21) | (devad << 16) | reg |
2759 EMAC_MDIO_COMM_COMMAND_ADDRESS |
2760 EMAC_MDIO_COMM_START_BUSY);
2761 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
2762
2763 for (i = 0; i < 50; i++) {
2764 udelay(10);
2765
2766 tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2767 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
2768 udelay(5);
2769 break;
2770 }
2771 }
2772 if (tmp & EMAC_MDIO_COMM_START_BUSY) {
2773 DP(NETIF_MSG_LINK, "write phy register failed\n");
2774 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
2775 rc = -EFAULT;
2776 } else {
2777 /* Data */
2778 tmp = ((phy->addr << 21) | (devad << 16) | val |
2779 EMAC_MDIO_COMM_COMMAND_WRITE_45 |
2780 EMAC_MDIO_COMM_START_BUSY);
2781 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
2782
2783 for (i = 0; i < 50; i++) {
2784 udelay(10);
2785
2786 tmp = REG_RD(bp, phy->mdio_ctrl +
2787 EMAC_REG_EMAC_MDIO_COMM);
2788 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
2789 udelay(5);
2790 break;
2791 }
2792 }
2793 if (tmp & EMAC_MDIO_COMM_START_BUSY) {
2794 DP(NETIF_MSG_LINK, "write phy register failed\n");
2795 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
2796 rc = -EFAULT;
2797 }
2798 }
2799 /* Work around for E3 A0 */
2800 if (phy->flags & FLAGS_MDC_MDIO_WA) {
2801 phy->flags ^= FLAGS_DUMMY_READ;
2802 if (phy->flags & FLAGS_DUMMY_READ) {
2803 u16 temp_val;
2804 bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
2805 }
2806 }
2807 if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
2808 bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
2809 EMAC_MDIO_STATUS_10MB);
2810 return rc;
2811 }
2812
2813 /******************************************************************/
2814 /* EEE section */
2815 /******************************************************************/
bnx2x_eee_has_cap(struct link_params * params)2816 static u8 bnx2x_eee_has_cap(struct link_params *params)
2817 {
2818 struct bnx2x *bp = params->bp;
2819
2820 if (REG_RD(bp, params->shmem2_base) <=
2821 offsetof(struct shmem2_region, eee_status[params->port]))
2822 return 0;
2823
2824 return 1;
2825 }
2826
bnx2x_eee_nvram_to_time(u32 nvram_mode,u32 * idle_timer)2827 static int bnx2x_eee_nvram_to_time(u32 nvram_mode, u32 *idle_timer)
2828 {
2829 switch (nvram_mode) {
2830 case PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED:
2831 *idle_timer = EEE_MODE_NVRAM_BALANCED_TIME;
2832 break;
2833 case PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE:
2834 *idle_timer = EEE_MODE_NVRAM_AGGRESSIVE_TIME;
2835 break;
2836 case PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY:
2837 *idle_timer = EEE_MODE_NVRAM_LATENCY_TIME;
2838 break;
2839 default:
2840 *idle_timer = 0;
2841 break;
2842 }
2843
2844 return 0;
2845 }
2846
bnx2x_eee_time_to_nvram(u32 idle_timer,u32 * nvram_mode)2847 static int bnx2x_eee_time_to_nvram(u32 idle_timer, u32 *nvram_mode)
2848 {
2849 switch (idle_timer) {
2850 case EEE_MODE_NVRAM_BALANCED_TIME:
2851 *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED;
2852 break;
2853 case EEE_MODE_NVRAM_AGGRESSIVE_TIME:
2854 *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE;
2855 break;
2856 case EEE_MODE_NVRAM_LATENCY_TIME:
2857 *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY;
2858 break;
2859 default:
2860 *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_DISABLED;
2861 break;
2862 }
2863
2864 return 0;
2865 }
2866
bnx2x_eee_calc_timer(struct link_params * params)2867 static u32 bnx2x_eee_calc_timer(struct link_params *params)
2868 {
2869 u32 eee_mode, eee_idle;
2870 struct bnx2x *bp = params->bp;
2871
2872 if (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) {
2873 if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
2874 /* time value in eee_mode --> used directly*/
2875 eee_idle = params->eee_mode & EEE_MODE_TIMER_MASK;
2876 } else {
2877 /* hsi value in eee_mode --> time */
2878 if (bnx2x_eee_nvram_to_time(params->eee_mode &
2879 EEE_MODE_NVRAM_MASK,
2880 &eee_idle))
2881 return 0;
2882 }
2883 } else {
2884 /* hsi values in nvram --> time*/
2885 eee_mode = ((REG_RD(bp, params->shmem_base +
2886 offsetof(struct shmem_region, dev_info.
2887 port_feature_config[params->port].
2888 eee_power_mode)) &
2889 PORT_FEAT_CFG_EEE_POWER_MODE_MASK) >>
2890 PORT_FEAT_CFG_EEE_POWER_MODE_SHIFT);
2891
2892 if (bnx2x_eee_nvram_to_time(eee_mode, &eee_idle))
2893 return 0;
2894 }
2895
2896 return eee_idle;
2897 }
2898
bnx2x_eee_set_timers(struct link_params * params,struct link_vars * vars)2899 static int bnx2x_eee_set_timers(struct link_params *params,
2900 struct link_vars *vars)
2901 {
2902 u32 eee_idle = 0, eee_mode;
2903 struct bnx2x *bp = params->bp;
2904
2905 eee_idle = bnx2x_eee_calc_timer(params);
2906
2907 if (eee_idle) {
2908 REG_WR(bp, MISC_REG_CPMU_LP_IDLE_THR_P0 + (params->port << 2),
2909 eee_idle);
2910 } else if ((params->eee_mode & EEE_MODE_ENABLE_LPI) &&
2911 (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) &&
2912 (params->eee_mode & EEE_MODE_OUTPUT_TIME)) {
2913 DP(NETIF_MSG_LINK, "Error: Tx LPI is enabled with timer 0\n");
2914 return -EINVAL;
2915 }
2916
2917 vars->eee_status &= ~(SHMEM_EEE_TIMER_MASK | SHMEM_EEE_TIME_OUTPUT_BIT);
2918 if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
2919 /* eee_idle in 1u --> eee_status in 16u */
2920 eee_idle >>= 4;
2921 vars->eee_status |= (eee_idle & SHMEM_EEE_TIMER_MASK) |
2922 SHMEM_EEE_TIME_OUTPUT_BIT;
2923 } else {
2924 if (bnx2x_eee_time_to_nvram(eee_idle, &eee_mode))
2925 return -EINVAL;
2926 vars->eee_status |= eee_mode;
2927 }
2928
2929 return 0;
2930 }
2931
bnx2x_eee_initial_config(struct link_params * params,struct link_vars * vars,u8 mode)2932 static int bnx2x_eee_initial_config(struct link_params *params,
2933 struct link_vars *vars, u8 mode)
2934 {
2935 vars->eee_status |= ((u32) mode) << SHMEM_EEE_SUPPORTED_SHIFT;
2936
2937 /* Propagate params' bits --> vars (for migration exposure) */
2938 if (params->eee_mode & EEE_MODE_ENABLE_LPI)
2939 vars->eee_status |= SHMEM_EEE_LPI_REQUESTED_BIT;
2940 else
2941 vars->eee_status &= ~SHMEM_EEE_LPI_REQUESTED_BIT;
2942
2943 if (params->eee_mode & EEE_MODE_ADV_LPI)
2944 vars->eee_status |= SHMEM_EEE_REQUESTED_BIT;
2945 else
2946 vars->eee_status &= ~SHMEM_EEE_REQUESTED_BIT;
2947
2948 return bnx2x_eee_set_timers(params, vars);
2949 }
2950
bnx2x_eee_disable(struct bnx2x_phy * phy,struct link_params * params,struct link_vars * vars)2951 static int bnx2x_eee_disable(struct bnx2x_phy *phy,
2952 struct link_params *params,
2953 struct link_vars *vars)
2954 {
2955 struct bnx2x *bp = params->bp;
2956
2957 /* Make Certain LPI is disabled */
2958 REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2), 0);
2959
2960 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, 0x0);
2961
2962 vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
2963
2964 return 0;
2965 }
2966
bnx2x_eee_advertise(struct bnx2x_phy * phy,struct link_params * params,struct link_vars * vars,u8 modes)2967 static int bnx2x_eee_advertise(struct bnx2x_phy *phy,
2968 struct link_params *params,
2969 struct link_vars *vars, u8 modes)
2970 {
2971 struct bnx2x *bp = params->bp;
2972 u16 val = 0;
2973
2974 /* Mask events preventing LPI generation */
2975 REG_WR(bp, MISC_REG_CPMU_LP_MASK_EXT_P0 + (params->port << 2), 0xfc20);
2976
2977 if (modes & SHMEM_EEE_10G_ADV) {
2978 DP(NETIF_MSG_LINK, "Advertise 10GBase-T EEE\n");
2979 val |= 0x8;
2980 }
2981 if (modes & SHMEM_EEE_1G_ADV) {
2982 DP(NETIF_MSG_LINK, "Advertise 1GBase-T EEE\n");
2983 val |= 0x4;
2984 }
2985
2986 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, val);
2987
2988 vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
2989 vars->eee_status |= (modes << SHMEM_EEE_ADV_STATUS_SHIFT);
2990
2991 return 0;
2992 }
2993
bnx2x_update_mng_eee(struct link_params * params,u32 eee_status)2994 static void bnx2x_update_mng_eee(struct link_params *params, u32 eee_status)
2995 {
2996 struct bnx2x *bp = params->bp;
2997
2998 if (bnx2x_eee_has_cap(params))
2999 REG_WR(bp, params->shmem2_base +
3000 offsetof(struct shmem2_region,
3001 eee_status[params->port]), eee_status);
3002 }
3003
bnx2x_eee_an_resolve(struct bnx2x_phy * phy,struct link_params * params,struct link_vars * vars)3004 static void bnx2x_eee_an_resolve(struct bnx2x_phy *phy,
3005 struct link_params *params,
3006 struct link_vars *vars)
3007 {
3008 struct bnx2x *bp = params->bp;
3009 u16 adv = 0, lp = 0;
3010 u32 lp_adv = 0;
3011 u8 neg = 0;
3012
3013 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, &adv);
3014 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_LP_EEE_ADV, &lp);
3015
3016 if (lp & 0x2) {
3017 lp_adv |= SHMEM_EEE_100M_ADV;
3018 if (adv & 0x2) {
3019 if (vars->line_speed == SPEED_100)
3020 neg = 1;
3021 DP(NETIF_MSG_LINK, "EEE negotiated - 100M\n");
3022 }
3023 }
3024 if (lp & 0x14) {
3025 lp_adv |= SHMEM_EEE_1G_ADV;
3026 if (adv & 0x14) {
3027 if (vars->line_speed == SPEED_1000)
3028 neg = 1;
3029 DP(NETIF_MSG_LINK, "EEE negotiated - 1G\n");
3030 }
3031 }
3032 if (lp & 0x68) {
3033 lp_adv |= SHMEM_EEE_10G_ADV;
3034 if (adv & 0x68) {
3035 if (vars->line_speed == SPEED_10000)
3036 neg = 1;
3037 DP(NETIF_MSG_LINK, "EEE negotiated - 10G\n");
3038 }
3039 }
3040
3041 vars->eee_status &= ~SHMEM_EEE_LP_ADV_STATUS_MASK;
3042 vars->eee_status |= (lp_adv << SHMEM_EEE_LP_ADV_STATUS_SHIFT);
3043
3044 if (neg) {
3045 DP(NETIF_MSG_LINK, "EEE is active\n");
3046 vars->eee_status |= SHMEM_EEE_ACTIVE_BIT;
3047 }
3048
3049 }
3050
3051 /******************************************************************/
3052 /* BSC access functions from E3 */
3053 /******************************************************************/
bnx2x_bsc_module_sel(struct link_params * params)3054 static void bnx2x_bsc_module_sel(struct link_params *params)
3055 {
3056 int idx;
3057 u32 board_cfg, sfp_ctrl;
3058 u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
3059 struct bnx2x *bp = params->bp;
3060 u8 port = params->port;
3061 /* Read I2C output PINs */
3062 board_cfg = REG_RD(bp, params->shmem_base +
3063 offsetof(struct shmem_region,
3064 dev_info.shared_hw_config.board));
3065 i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
3066 i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
3067 SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
3068
3069 /* Read I2C output value */
3070 sfp_ctrl = REG_RD(bp, params->shmem_base +
3071 offsetof(struct shmem_region,
3072 dev_info.port_hw_config[port].e3_cmn_pin_cfg));
3073 i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
3074 i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
3075 DP(NETIF_MSG_LINK, "Setting BSC switch\n");
3076 for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
3077 bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
3078 }
3079
bnx2x_bsc_read(struct link_params * params,struct bnx2x * bp,u8 sl_devid,u16 sl_addr,u8 lc_addr,u8 xfer_cnt,u32 * data_array)3080 static int bnx2x_bsc_read(struct link_params *params,
3081 struct bnx2x *bp,
3082 u8 sl_devid,
3083 u16 sl_addr,
3084 u8 lc_addr,
3085 u8 xfer_cnt,
3086 u32 *data_array)
3087 {
3088 u64 t0, delta;
3089 u32 val, i;
3090 int rc = 0;
3091
3092 if (xfer_cnt > 16) {
3093 DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
3094 xfer_cnt);
3095 return -EINVAL;
3096 }
3097 bnx2x_bsc_module_sel(params);
3098
3099 xfer_cnt = 16 - lc_addr;
3100
3101 /* Enable the engine */
3102 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3103 val |= MCPR_IMC_COMMAND_ENABLE;
3104 REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3105
3106 /* Program slave device ID */
3107 val = (sl_devid << 16) | sl_addr;
3108 REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
3109
3110 /* Start xfer with 0 byte to update the address pointer ???*/
3111 val = (MCPR_IMC_COMMAND_ENABLE) |
3112 (MCPR_IMC_COMMAND_WRITE_OP <<
3113 MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
3114 (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
3115 REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3116
3117 /* Poll for completion */
3118 t0 = ktime_get_ns();
3119 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3120 while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
3121 delta = ktime_get_ns() - t0;
3122 if (delta > 10 * NSEC_PER_MSEC) {
3123 DP(NETIF_MSG_LINK, "wr 0 byte timed out after %Lu ns\n",
3124 delta);
3125 rc = -EFAULT;
3126 break;
3127 }
3128 usleep_range(10, 20);
3129 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3130 }
3131 if (rc == -EFAULT)
3132 return rc;
3133
3134 /* Start xfer with read op */
3135 val = (MCPR_IMC_COMMAND_ENABLE) |
3136 (MCPR_IMC_COMMAND_READ_OP <<
3137 MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
3138 (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
3139 (xfer_cnt);
3140 REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3141
3142 /* Poll for completion */
3143 t0 = ktime_get_ns();
3144 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3145 while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
3146 delta = ktime_get_ns() - t0;
3147 if (delta > 10 * NSEC_PER_MSEC) {
3148 DP(NETIF_MSG_LINK, "rd op timed out after %Lu ns\n",
3149 delta);
3150 rc = -EFAULT;
3151 break;
3152 }
3153 usleep_range(10, 20);
3154 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3155 }
3156 if (rc == -EFAULT)
3157 return rc;
3158
3159 for (i = (lc_addr >> 2); i < 4; i++) {
3160 data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
3161 #ifdef __BIG_ENDIAN
3162 data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
3163 ((data_array[i] & 0x0000ff00) << 8) |
3164 ((data_array[i] & 0x00ff0000) >> 8) |
3165 ((data_array[i] & 0xff000000) >> 24);
3166 #endif
3167 }
3168 return rc;
3169 }
3170
bnx2x_cl45_read_or_write(struct bnx2x * bp,struct bnx2x_phy * phy,u8 devad,u16 reg,u16 or_val)3171 static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
3172 u8 devad, u16 reg, u16 or_val)
3173 {
3174 u16 val;
3175 bnx2x_cl45_read(bp, phy, devad, reg, &val);
3176 bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
3177 }
3178
bnx2x_cl45_read_and_write(struct bnx2x * bp,struct bnx2x_phy * phy,u8 devad,u16 reg,u16 and_val)3179 static void bnx2x_cl45_read_and_write(struct bnx2x *bp,
3180 struct bnx2x_phy *phy,
3181 u8 devad, u16 reg, u16 and_val)
3182 {
3183 u16 val;
3184 bnx2x_cl45_read(bp, phy, devad, reg, &val);
3185 bnx2x_cl45_write(bp, phy, devad, reg, val & and_val);
3186 }
3187
bnx2x_phy_read(struct link_params * params,u8 phy_addr,u8 devad,u16 reg,u16 * ret_val)3188 int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
3189 u8 devad, u16 reg, u16 *ret_val)
3190 {
3191 u8 phy_index;
3192 /* Probe for the phy according to the given phy_addr, and execute
3193 * the read request on it
3194 */
3195 for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
3196 if (params->phy[phy_index].addr == phy_addr) {
3197 return bnx2x_cl45_read(params->bp,
3198 ¶ms->phy[phy_index], devad,
3199 reg, ret_val);
3200 }
3201 }
3202 return -EINVAL;
3203 }
3204
bnx2x_phy_write(struct link_params * params,u8 phy_addr,u8 devad,u16 reg,u16 val)3205 int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
3206 u8 devad, u16 reg, u16 val)
3207 {
3208 u8 phy_index;
3209 /* Probe for the phy according to the given phy_addr, and execute
3210 * the write request on it
3211 */
3212 for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
3213 if (params->phy[phy_index].addr == phy_addr) {
3214 return bnx2x_cl45_write(params->bp,
3215 ¶ms->phy[phy_index], devad,
3216 reg, val);
3217 }
3218 }
3219 return -EINVAL;
3220 }
bnx2x_get_warpcore_lane(struct bnx2x_phy * phy,struct link_params * params)3221 static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
3222 struct link_params *params)
3223 {
3224 u8 lane = 0;
3225 struct bnx2x *bp = params->bp;
3226 u32 path_swap, path_swap_ovr;
3227 u8 path, port;
3228
3229 path = BP_PATH(bp);
3230 port = params->port;
3231
3232 if (bnx2x_is_4_port_mode(bp)) {
3233 u32 port_swap, port_swap_ovr;
3234
3235 /* Figure out path swap value */
3236 path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
3237 if (path_swap_ovr & 0x1)
3238 path_swap = (path_swap_ovr & 0x2);
3239 else
3240 path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);
3241
3242 if (path_swap)
3243 path = path ^ 1;
3244
3245 /* Figure out port swap value */
3246 port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
3247 if (port_swap_ovr & 0x1)
3248 port_swap = (port_swap_ovr & 0x2);
3249 else
3250 port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);
3251
3252 if (port_swap)
3253 port = port ^ 1;
3254
3255 lane = (port<<1) + path;
3256 } else { /* Two port mode - no port swap */
3257
3258 /* Figure out path swap value */
3259 path_swap_ovr =
3260 REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
3261 if (path_swap_ovr & 0x1) {
3262 path_swap = (path_swap_ovr & 0x2);
3263 } else {
3264 path_swap =
3265 REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
3266 }
3267 if (path_swap)
3268 path = path ^ 1;
3269
3270 lane = path << 1 ;
3271 }
3272 return lane;
3273 }
3274
bnx2x_set_aer_mmd(struct link_params * params,struct bnx2x_phy * phy)3275 static void bnx2x_set_aer_mmd(struct link_params *params,
3276 struct bnx2x_phy *phy)
3277 {
3278 u32 ser_lane;
3279 u16 offset, aer_val;
3280 struct bnx2x *bp = params->bp;
3281 ser_lane = ((params->lane_config &
3282 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
3283 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
3284
3285 offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
3286 (phy->addr + ser_lane) : 0;
3287
3288 if (USES_WARPCORE(bp)) {
3289 aer_val = bnx2x_get_warpcore_lane(phy, params);
3290 /* In Dual-lane mode, two lanes are joined together,
3291 * so in order to configure them, the AER broadcast method is
3292 * used here.
3293 * 0x200 is the broadcast address for lanes 0,1
3294 * 0x201 is the broadcast address for lanes 2,3
3295 */
3296 if (phy->flags & FLAGS_WC_DUAL_MODE)
3297 aer_val = (aer_val >> 1) | 0x200;
3298 } else if (CHIP_IS_E2(bp))
3299 aer_val = 0x3800 + offset - 1;
3300 else
3301 aer_val = 0x3800 + offset;
3302
3303 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3304 MDIO_AER_BLOCK_AER_REG, aer_val);
3305
3306 }
3307
3308 /******************************************************************/
3309 /* Internal phy section */
3310 /******************************************************************/
3311
bnx2x_set_serdes_access(struct bnx2x * bp,u8 port)3312 static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
3313 {
3314 u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
3315
3316 /* Set Clause 22 */
3317 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
3318 REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
3319 udelay(500);
3320 REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
3321 udelay(500);
3322 /* Set Clause 45 */
3323 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
3324 }
3325
bnx2x_serdes_deassert(struct bnx2x * bp,u8 port)3326 static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
3327 {
3328 u32 val;
3329
3330 DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
3331
3332 val = SERDES_RESET_BITS << (port*16);
3333
3334 /* Reset and unreset the SerDes/XGXS */
3335 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
3336 udelay(500);
3337 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
3338
3339 bnx2x_set_serdes_access(bp, port);
3340
3341 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
3342 DEFAULT_PHY_DEV_ADDR);
3343 }
3344
bnx2x_xgxs_specific_func(struct bnx2x_phy * phy,struct link_params * params,u32 action)3345 static void bnx2x_xgxs_specific_func(struct bnx2x_phy *phy,
3346 struct link_params *params,
3347 u32 action)
3348 {
3349 struct bnx2x *bp = params->bp;
3350 switch (action) {
3351 case PHY_INIT:
3352 /* Set correct devad */
3353 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + params->port*0x18, 0);
3354 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + params->port*0x18,
3355 phy->def_md_devad);
3356 break;
3357 }
3358 }
3359
bnx2x_xgxs_deassert(struct link_params * params)3360 static void bnx2x_xgxs_deassert(struct link_params *params)
3361 {
3362 struct bnx2x *bp = params->bp;
3363 u8 port;
3364 u32 val;
3365 DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
3366 port = params->port;
3367
3368 val = XGXS_RESET_BITS << (port*16);
3369
3370 /* Reset and unreset the SerDes/XGXS */
3371 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
3372 udelay(500);
3373 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
3374 bnx2x_xgxs_specific_func(¶ms->phy[INT_PHY], params,
3375 PHY_INIT);
3376 }
3377
bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy * phy,struct link_params * params,u16 * ieee_fc)3378 static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
3379 struct link_params *params, u16 *ieee_fc)
3380 {
3381 struct bnx2x *bp = params->bp;
3382 *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
3383 /* Resolve pause mode and advertisement Please refer to Table
3384 * 28B-3 of the 802.3ab-1999 spec
3385 */
3386
3387 switch (phy->req_flow_ctrl) {
3388 case BNX2X_FLOW_CTRL_AUTO:
3389 switch (params->req_fc_auto_adv) {
3390 case BNX2X_FLOW_CTRL_BOTH:
3391 case BNX2X_FLOW_CTRL_RX:
3392 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
3393 break;
3394 case BNX2X_FLOW_CTRL_TX:
3395 *ieee_fc |=
3396 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
3397 break;
3398 default:
3399 break;
3400 }
3401 break;
3402 case BNX2X_FLOW_CTRL_TX:
3403 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
3404 break;
3405
3406 case BNX2X_FLOW_CTRL_RX:
3407 case BNX2X_FLOW_CTRL_BOTH:
3408 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
3409 break;
3410
3411 case BNX2X_FLOW_CTRL_NONE:
3412 default:
3413 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
3414 break;
3415 }
3416 DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
3417 }
3418
set_phy_vars(struct link_params * params,struct link_vars * vars)3419 static void set_phy_vars(struct link_params *params,
3420 struct link_vars *vars)
3421 {
3422 struct bnx2x *bp = params->bp;
3423 u8 actual_phy_idx, phy_index, link_cfg_idx;
3424 u8 phy_config_swapped = params->multi_phy_config &
3425 PORT_HW_CFG_PHY_SWAPPED_ENABLED;
3426 for (phy_index = INT_PHY; phy_index < params->num_phys;
3427 phy_index++) {
3428 link_cfg_idx = LINK_CONFIG_IDX(phy_index);
3429 actual_phy_idx = phy_index;
3430 if (phy_config_swapped) {
3431 if (phy_index == EXT_PHY1)
3432 actual_phy_idx = EXT_PHY2;
3433 else if (phy_index == EXT_PHY2)
3434 actual_phy_idx = EXT_PHY1;
3435 }
3436 params->phy[actual_phy_idx].req_flow_ctrl =
3437 params->req_flow_ctrl[link_cfg_idx];
3438
3439 params->phy[actual_phy_idx].req_line_speed =
3440 params->req_line_speed[link_cfg_idx];
3441
3442 params->phy[actual_phy_idx].speed_cap_mask =
3443 params->speed_cap_mask[link_cfg_idx];
3444
3445 params->phy[actual_phy_idx].req_duplex =
3446 params->req_duplex[link_cfg_idx];
3447
3448 if (params->req_line_speed[link_cfg_idx] ==
3449 SPEED_AUTO_NEG)
3450 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
3451
3452 DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
3453 " speed_cap_mask %x\n",
3454 params->phy[actual_phy_idx].req_flow_ctrl,
3455 params->phy[actual_phy_idx].req_line_speed,
3456 params->phy[actual_phy_idx].speed_cap_mask);
3457 }
3458 }
3459
bnx2x_ext_phy_set_pause(struct link_params * params,struct bnx2x_phy * phy,struct link_vars * vars)3460 static void bnx2x_ext_phy_set_pause(struct link_params *params,
3461 struct bnx2x_phy *phy,
3462 struct link_vars *vars)
3463 {
3464 u16 val;
3465 struct bnx2x *bp = params->bp;
3466 /* Read modify write pause advertizing */
3467 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
3468
3469 val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
3470
3471 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
3472 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
3473 if ((vars->ieee_fc &
3474 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
3475 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
3476 val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
3477 }
3478 if ((vars->ieee_fc &
3479 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
3480 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
3481 val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
3482 }
3483 DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
3484 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
3485 }
3486
bnx2x_pause_resolve(struct bnx2x_phy * phy,struct link_params * params,struct link_vars * vars,u32 pause_result)3487 static void bnx2x_pause_resolve(struct bnx2x_phy *phy,
3488 struct link_params *params,
3489 struct link_vars *vars,
3490 u32 pause_result)
3491 {
3492 struct bnx2x *bp = params->bp;
3493 /* LD LP */
3494 switch (pause_result) { /* ASYM P ASYM P */
3495 case 0xb: /* 1 0 1 1 */
3496 DP(NETIF_MSG_LINK, "Flow Control: TX only\n");
3497 vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
3498 break;
3499
3500 case 0xe: /* 1 1 1 0 */
3501 DP(NETIF_MSG_LINK, "Flow Control: RX only\n");
3502 vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
3503 break;
3504
3505 case 0x5: /* 0 1 0 1 */
3506 case 0x7: /* 0 1 1 1 */
3507 case 0xd: /* 1 1 0 1 */
3508 case 0xf: /* 1 1 1 1 */
3509 /* If the user selected to advertise RX ONLY,
3510 * although we advertised both, need to enable
3511 * RX only.
3512 */
3513 if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH) {
3514 DP(NETIF_MSG_LINK, "Flow Control: RX & TX\n");
3515 vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
3516 } else {
3517 DP(NETIF_MSG_LINK, "Flow Control: RX only\n");
3518 vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
3519 }
3520 break;
3521
3522 default:
3523 DP(NETIF_MSG_LINK, "Flow Control: None\n");
3524 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
3525 break;
3526 }
3527 if (pause_result & (1<<0))
3528 vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
3529 if (pause_result & (1<<1))
3530 vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
3531
3532 }
3533
bnx2x_ext_phy_update_adv_fc(struct bnx2x_phy * phy,struct link_params * params,struct link_vars * vars)3534 static void bnx2x_ext_phy_update_adv_fc(struct bnx2x_phy *phy,
3535 struct link_params *params,
3536 struct link_vars *vars)
3537 {
3538 u16 ld_pause; /* local */
3539 u16 lp_pause; /* link partner */
3540 u16 pause_result;
3541 struct bnx2x *bp = params->bp;
3542 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
3543 bnx2x_cl22_read(bp, phy, 0x4, &ld_pause);
3544 bnx2x_cl22_read(bp, phy, 0x5, &lp_pause);
3545 } else if (CHIP_IS_E3(bp) &&
3546 SINGLE_MEDIA_DIRECT(params)) {
3547 u8 lane = bnx2x_get_warpcore_lane(phy, params);
3548 u16 gp_status, gp_mask;
3549 bnx2x_cl45_read(bp, phy,
3550 MDIO_AN_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_4,
3551 &gp_status);
3552 gp_mask = (MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL |
3553 MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP) <<
3554 lane;
3555 if ((gp_status & gp_mask) == gp_mask) {
3556 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3557 MDIO_AN_REG_ADV_PAUSE, &ld_pause);
3558 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3559 MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
3560 } else {
3561 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3562 MDIO_AN_REG_CL37_FC_LD, &ld_pause);
3563 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3564 MDIO_AN_REG_CL37_FC_LP, &lp_pause);
3565 ld_pause = ((ld_pause &
3566 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
3567 << 3);
3568 lp_pause = ((lp_pause &
3569 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
3570 << 3);
3571 }
3572 } else {
3573 bnx2x_cl45_read(bp, phy,
3574 MDIO_AN_DEVAD,
3575 MDIO_AN_REG_ADV_PAUSE, &ld_pause);
3576 bnx2x_cl45_read(bp, phy,
3577 MDIO_AN_DEVAD,
3578 MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
3579 }
3580 pause_result = (ld_pause &
3581 MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
3582 pause_result |= (lp_pause &
3583 MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
3584 DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n", pause_result);
3585 bnx2x_pause_resolve(phy, params, vars, pause_result);
3586
3587 }
3588
bnx2x_ext_phy_resolve_fc(struct bnx2x_phy * phy,struct link_params * params,struct link_vars * vars)3589 static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
3590 struct link_params *params,
3591 struct link_vars *vars)
3592 {
3593 u8 ret = 0;
3594 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
3595 if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
3596 /* Update the advertised flow-controled of LD/LP in AN */
3597 if (phy->req_line_speed == SPEED_AUTO_NEG)
3598 bnx2x_ext_phy_update_adv_fc(phy, params, vars);
3599 /* But set the flow-control result as the requested one */
3600 vars->flow_ctrl = phy->req_flow_ctrl;
3601 } else if (phy->req_line_speed != SPEED_AUTO_NEG)
3602 vars->flow_ctrl = params->req_fc_auto_adv;
3603 else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
3604 ret = 1;
3605 bnx2x_ext_phy_update_adv_fc(phy, params, vars);
3606 }
3607 return ret;
3608 }
3609 /******************************************************************/
3610 /* Warpcore section */
3611 /******************************************************************/
3612 /* The init_internal_warpcore should mirror the xgxs,
3613 * i.e. reset the lane (if needed), set aer for the
3614 * init configuration, and set/clear SGMII flag. Internal
3615 * phy init is done purely in phy_init stage.
3616 */
3617 #define WC_TX_DRIVER(post2, idriver, ipre, ifir) \
3618 ((post2 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) | \
3619 (idriver << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) | \
3620 (ipre << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET) | \
3621 (ifir << MDIO_WC_REG_TX0_TX_DRIVER_IFIR_OFFSET))
3622
3623 #define WC_TX_FIR(post, main, pre) \
3624 ((post << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) | \
3625 (main << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) | \
3626 (pre << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET))
3627
bnx2x_warpcore_enable_AN_KR2(struct bnx2x_phy * phy,struct link_params * params,struct link_vars * vars)3628 static void bnx2x_warpcore_enable_AN_KR2(struct bnx2x_phy *phy,
3629 struct link_params *params,
3630 struct link_vars *vars)
3631 {
3632 struct bnx2x *bp = params->bp;
3633 u16 i;
3634 static struct bnx2x_reg_set reg_set[] = {
3635 /* Step 1 - Program the TX/RX alignment markers */
3636 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0xa157},
3637 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xcbe2},
3638 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0x7537},
3639 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0xa157},
3640 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xcbe2},
3641 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0x7537},
3642 /* Step 2 - Configure the NP registers */
3643 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000a},
3644 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6400},
3645 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0620},
3646 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0157},
3647 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x6464},
3648 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x3150},
3649 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x3150},
3650 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0157},
3651 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0620}
3652 };
3653 DP(NETIF_MSG_LINK, "Enabling 20G-KR2\n");
3654
3655 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3656 MDIO_WC_REG_CL49_USERB0_CTRL, (3<<6));
3657
3658 for (i = 0; i < ARRAY_SIZE(reg_set); i++)
3659 bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
3660 reg_set[i].val);
3661
3662 /* Start KR2 work-around timer which handles BCM8073 link-parner */
3663 params->link_attr_sync |= LINK_ATTR_SYNC_KR2_ENABLE;
3664 bnx2x_update_link_attr(params, params->link_attr_sync);
3665 }
3666
bnx2x_disable_kr2(struct link_params * params,struct link_vars * vars,struct bnx2x_phy * phy)3667 static void bnx2x_disable_kr2(struct link_params *params,
3668 struct link_vars *vars,
3669 struct bnx2x_phy *phy)
3670 {
3671 struct bnx2x *bp = params->bp;
3672 int i;
3673 static struct bnx2x_reg_set reg_set[] = {
3674 /* Step 1 - Program the TX/RX alignment markers */
3675 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0x7690},
3676 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xe647},
3677 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0xc4f0},
3678 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0x7690},
3679 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xe647},
3680 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0xc4f0},
3681 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000c},
3682 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6000},
3683 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0000},
3684 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0002},
3685 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x0000},
3686 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x0af7},
3687 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x0af7},
3688 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0002},
3689 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0000}
3690 };
3691 DP(NETIF_MSG_LINK, "Disabling 20G-KR2\n");
3692
3693 for (i = 0; i < ARRAY_SIZE(reg_set); i++)
3694 bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
3695 reg_set[i].val);
3696 params->link_attr_sync &= ~LINK_ATTR_SYNC_KR2_ENABLE;
3697 bnx2x_update_link_attr(params, params->link_attr_sync);
3698
3699 vars->check_kr2_recovery_cnt = CHECK_KR2_RECOVERY_CNT;
3700 }
3701
bnx2x_warpcore_set_lpi_passthrough(struct bnx2x_phy * phy,struct link_params * params)3702 static void bnx2x_warpcore_set_lpi_passthrough(struct bnx2x_phy *phy,
3703 struct link_params *params)
3704 {
3705 struct bnx2x *bp = params->bp;
3706
3707 DP(NETIF_MSG_LINK, "Configure WC for LPI pass through\n");
3708 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3709 MDIO_WC_REG_EEE_COMBO_CONTROL0, 0x7c);
3710 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3711 MDIO_WC_REG_DIGITAL4_MISC5, 0xc000);
3712 }
3713
bnx2x_warpcore_restart_AN_KR(struct bnx2x_phy * phy,struct link_params * params)3714 static void bnx2x_warpcore_restart_AN_KR(struct bnx2x_phy *phy,
3715 struct link_params *params)
3716 {
3717 /* Restart autoneg on the leading lane only */
3718 struct bnx2x *bp = params->bp;
3719 u16 lane = bnx2x_get_warpcore_lane(phy, params);
3720 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3721 MDIO_AER_BLOCK_AER_REG, lane);
3722 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3723 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
3724
3725 /* Restore AER */
3726 bnx2x_set_aer_mmd(params, phy);
3727 }
3728
bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy * phy,struct link_params * params,struct link_vars * vars)3729 static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
3730 struct link_params *params,
3731 struct link_vars *vars) {
3732 u16 lane, i, cl72_ctrl, an_adv = 0, val;
3733 u32 wc_lane_config;
3734 struct bnx2x *bp = params->bp;
3735 static struct bnx2x_reg_set reg_set[] = {
3736 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
3737 {MDIO_PMA_DEVAD, MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0},
3738 {MDIO_WC_DEVAD, MDIO_WC_REG_RX66_CONTROL, 0x7415},
3739 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190},
3740 /* Disable Autoneg: re-enable it after adv is done. */
3741 {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0},
3742 {MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2},
3743 {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0},
3744 };
3745 DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
3746 /* Set to default registers that may be overriden by 10G force */
3747 for (i = 0; i < ARRAY_SIZE(reg_set); i++)
3748 bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
3749 reg_set[i].val);
3750
3751 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3752 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &cl72_ctrl);
3753 cl72_ctrl &= 0x08ff;
3754 cl72_ctrl |= 0x3800;
3755 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3756 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, cl72_ctrl);
3757
3758 /* Check adding advertisement for 1G KX */
3759 if (((vars->line_speed == SPEED_AUTO_NEG) &&
3760 (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
3761 (vars->line_speed == SPEED_1000)) {
3762 u16 addr = MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2;
3763 an_adv |= (1<<5);
3764
3765 /* Enable CL37 1G Parallel Detect */
3766 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, addr, 0x1);
3767 DP(NETIF_MSG_LINK, "Advertize 1G\n");
3768 }
3769 if (((vars->line_speed == SPEED_AUTO_NEG) &&
3770 (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
3771 (vars->line_speed == SPEED_10000)) {
3772 /* Check adding advertisement for 10G KR */
3773 an_adv |= (1<<7);
3774 /* Enable 10G Parallel Detect */
3775 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3776 MDIO_AER_BLOCK_AER_REG, 0);
3777
3778 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3779 MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
3780 bnx2x_set_aer_mmd(params, phy);
3781 DP(NETIF_MSG_LINK, "Advertize 10G\n");
3782 }
3783
3784 /* Set Transmit PMD settings */
3785 lane = bnx2x_get_warpcore_lane(phy, params);
3786 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3787 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
3788 WC_TX_DRIVER(0x02, 0x06, 0x09, 0));
3789 /* Configure the next lane if dual mode */
3790 if (phy->flags & FLAGS_WC_DUAL_MODE)
3791 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3792 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*(lane+1),
3793 WC_TX_DRIVER(0x02, 0x06, 0x09, 0));
3794 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3795 MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
3796 0x03f0);
3797 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3798 MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
3799 0x03f0);
3800
3801 /* Advertised speeds */
3802 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3803 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, an_adv);
3804
3805 /* Advertised and set FEC (Forward Error Correction) */
3806 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3807 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
3808 (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
3809 MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));
3810
3811 /* Enable CL37 BAM */
3812 if (REG_RD(bp, params->shmem_base +
3813 offsetof(struct shmem_region, dev_info.
3814 port_hw_config[params->port].default_cfg)) &
3815 PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
3816 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3817 MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL,
3818 1);
3819 DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
3820 }
3821
3822 /* Advertise pause */
3823 bnx2x_ext_phy_set_pause(params, phy, vars);
3824 vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
3825 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3826 MDIO_WC_REG_DIGITAL5_MISC7, 0x100);
3827
3828 /* Over 1G - AN local device user page 1 */
3829 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3830 MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
3831
3832 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
3833 (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)) ||
3834 (phy->req_line_speed == SPEED_20000)) {
3835
3836 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3837 MDIO_AER_BLOCK_AER_REG, lane);
3838
3839 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3840 MDIO_WC_REG_RX1_PCI_CTRL + (0x10*lane),
3841 (1<<11));
3842
3843 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3844 MDIO_WC_REG_XGXS_X2_CONTROL3, 0x7);
3845 bnx2x_set_aer_mmd(params, phy);
3846
3847 bnx2x_warpcore_enable_AN_KR2(phy, params, vars);
3848 } else {
3849 /* Enable Auto-Detect to support 1G over CL37 as well */
3850 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3851 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0x10);
3852 wc_lane_config = REG_RD(bp, params->shmem_base +
3853 offsetof(struct shmem_region, dev_info.
3854 shared_hw_config.wc_lane_config));
3855 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3856 MDIO_WC_REG_RX0_PCI_CTRL + (lane << 4), &val);
3857 /* Force cl48 sync_status LOW to avoid getting stuck in CL73
3858 * parallel-detect loop when CL73 and CL37 are enabled.
3859 */
3860 val |= 1 << 11;
3861
3862 /* Restore Polarity settings in case it was run over by
3863 * previous link owner
3864 */
3865 if (wc_lane_config &
3866 (SHARED_HW_CFG_RX_LANE0_POL_FLIP_ENABLED << lane))
3867 val |= 3 << 2;
3868 else
3869 val &= ~(3 << 2);
3870 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3871 MDIO_WC_REG_RX0_PCI_CTRL + (lane << 4),
3872 val);
3873
3874 bnx2x_disable_kr2(params, vars, phy);
3875 }
3876
3877 /* Enable Autoneg: only on the main lane */
3878 bnx2x_warpcore_restart_AN_KR(phy, params);
3879 }
3880
bnx2x_warpcore_set_10G_KR(struct bnx2x_phy * phy,struct link_params * params,struct link_vars * vars)3881 static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
3882 struct link_params *params,
3883 struct link_vars *vars)
3884 {
3885 struct bnx2x *bp = params->bp;
3886 u16 val16, i, lane;
3887 static struct bnx2x_reg_set reg_set[] = {
3888 /* Disable Autoneg */
3889 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
3890 {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
3891 0x3f00},
3892 {MDIO_AN_DEVAD, MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0},
3893 {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0},
3894 {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL3_UP1, 0x1},
3895 {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL5_MISC7, 0xa},
3896 /* Leave cl72 training enable, needed for KR */
3897 {MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2}
3898 };
3899
3900 for (i = 0; i < ARRAY_SIZE(reg_set); i++)
3901 bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
3902 reg_set[i].val);
3903
3904 lane = bnx2x_get_warpcore_lane(phy, params);
3905 /* Global registers */
3906 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3907 MDIO_AER_BLOCK_AER_REG, 0);
3908 /* Disable CL36 PCS Tx */
3909 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3910 MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
3911 val16 &= ~(0x0011 << lane);
3912 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3913 MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
3914
3915 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3916 MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
3917 val16 |= (0x0303 << (lane << 1));
3918 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3919 MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
3920 /* Restore AER */
3921 bnx2x_set_aer_mmd(params, phy);
3922 /* Set speed via PMA/PMD register */
3923 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
3924 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
3925
3926 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
3927 MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
3928
3929 /* Enable encoded forced speed */
3930 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3931 MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
3932
3933 /* Turn TX scramble payload only the 64/66 scrambler */
3934 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3935 MDIO_WC_REG_TX66_CONTROL, 0x9);
3936
3937 /* Turn RX scramble payload only the 64/66 scrambler */
3938 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3939 MDIO_WC_REG_RX66_CONTROL, 0xF9);
3940
3941 /* Set and clear loopback to cause a reset to 64/66 decoder */
3942 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3943 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
3944 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3945 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
3946
3947 }
3948
bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy * phy,struct link_params * params,u8 is_xfi)3949 static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
3950 struct link_params *params,
3951 u8 is_xfi)
3952 {
3953 struct bnx2x *bp = params->bp;
3954 u16 misc1_val, tap_val, tx_driver_val, lane, val;
3955 u32 cfg_tap_val, tx_drv_brdct, tx_equal;
3956 u32 ifir_val, ipost2_val, ipre_driver_val;
3957
3958 /* Hold rxSeqStart */
3959 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3960 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x8000);
3961
3962 /* Hold tx_fifo_reset */
3963 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3964 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x1);
3965
3966 /* Disable CL73 AN */
3967 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
3968
3969 /* Disable 100FX Enable and Auto-Detect */
3970 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
3971 MDIO_WC_REG_FX100_CTRL1, 0xFFFA);
3972
3973 /* Disable 100FX Idle detect */
3974 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3975 MDIO_WC_REG_FX100_CTRL3, 0x0080);
3976
3977 /* Set Block address to Remote PHY & Clear forced_speed[5] */
3978 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
3979 MDIO_WC_REG_DIGITAL4_MISC3, 0xFF7F);
3980
3981 /* Turn off auto-detect & fiber mode */
3982 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
3983 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
3984 0xFFEE);
3985
3986 /* Set filter_force_link, disable_false_link and parallel_detect */
3987 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3988 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
3989 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3990 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
3991 ((val | 0x0006) & 0xFFFE));
3992
3993 /* Set XFI / SFI */
3994 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3995 MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
3996
3997 misc1_val &= ~(0x1f);
3998
3999 if (is_xfi) {
4000 misc1_val |= 0x5;
4001 tap_val = WC_TX_FIR(0x08, 0x37, 0x00);
4002 tx_driver_val = WC_TX_DRIVER(0x00, 0x02, 0x03, 0);
4003 } else {
4004 cfg_tap_val = REG_RD(bp, params->shmem_base +
4005 offsetof(struct shmem_region, dev_info.
4006 port_hw_config[params->port].
4007 sfi_tap_values));
4008
4009 tx_equal = cfg_tap_val & PORT_HW_CFG_TX_EQUALIZATION_MASK;
4010
4011 misc1_val |= 0x9;
4012
4013 /* TAP values are controlled by nvram, if value there isn't 0 */
4014 if (tx_equal)
4015 tap_val = (u16)tx_equal;
4016 else
4017 tap_val = WC_TX_FIR(0x0f, 0x2b, 0x02);
4018
4019 ifir_val = DEFAULT_TX_DRV_IFIR;
4020 ipost2_val = DEFAULT_TX_DRV_POST2;
4021 ipre_driver_val = DEFAULT_TX_DRV_IPRE_DRIVER;
4022 tx_drv_brdct = DEFAULT_TX_DRV_BRDCT;
4023
4024 /* If any of the IFIR/IPRE_DRIVER/POST@ is set, apply all
4025 * configuration.
4026 */
4027 if (cfg_tap_val & (PORT_HW_CFG_TX_DRV_IFIR_MASK |
4028 PORT_HW_CFG_TX_DRV_IPREDRIVER_MASK |
4029 PORT_HW_CFG_TX_DRV_POST2_MASK)) {
4030 ifir_val = (cfg_tap_val &
4031 PORT_HW_CFG_TX_DRV_IFIR_MASK) >>
4032 PORT_HW_CFG_TX_DRV_IFIR_SHIFT;
4033 ipre_driver_val = (cfg_tap_val &
4034 PORT_HW_CFG_TX_DRV_IPREDRIVER_MASK)
4035 >> PORT_HW_CFG_TX_DRV_IPREDRIVER_SHIFT;
4036 ipost2_val = (cfg_tap_val &
4037 PORT_HW_CFG_TX_DRV_POST2_MASK) >>
4038 PORT_HW_CFG_TX_DRV_POST2_SHIFT;
4039 }
4040
4041 if (cfg_tap_val & PORT_HW_CFG_TX_DRV_BROADCAST_MASK) {
4042 tx_drv_brdct = (cfg_tap_val &
4043 PORT_HW_CFG_TX_DRV_BROADCAST_MASK) >>
4044 PORT_HW_CFG_TX_DRV_BROADCAST_SHIFT;
4045 }
4046
4047 tx_driver_val = WC_TX_DRIVER(ipost2_val, tx_drv_brdct,
4048 ipre_driver_val, ifir_val);
4049 }
4050 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4051 MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
4052
4053 /* Set Transmit PMD settings */
4054 lane = bnx2x_get_warpcore_lane(phy, params);
4055 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4056 MDIO_WC_REG_TX_FIR_TAP,
4057 tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
4058 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4059 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
4060 tx_driver_val);
4061
4062 /* Enable fiber mode, enable and invert sig_det */
4063 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4064 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0xd);
4065
4066 /* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
4067 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4068 MDIO_WC_REG_DIGITAL4_MISC3, 0x8080);
4069
4070 bnx2x_warpcore_set_lpi_passthrough(phy, params);
4071
4072 /* 10G XFI Full Duplex */
4073 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4074 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
4075
4076 /* Release tx_fifo_reset */
4077 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4078 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
4079 0xFFFE);
4080 /* Release rxSeqStart */
4081 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4082 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x7FFF);
4083 }
4084
bnx2x_warpcore_set_20G_force_KR2(struct bnx2x_phy * phy,struct link_params * params)4085 static void bnx2x_warpcore_set_20G_force_KR2(struct bnx2x_phy *phy,
4086 struct link_params *params)
4087 {
4088 u16 val;
4089 struct bnx2x *bp = params->bp;
4090 /* Set global registers, so set AER lane to 0 */
4091 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4092 MDIO_AER_BLOCK_AER_REG, 0);
4093
4094 /* Disable sequencer */
4095 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4096 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, ~(1<<13));
4097
4098 bnx2x_set_aer_mmd(params, phy);
4099
4100 bnx2x_cl45_read_and_write(bp, phy, MDIO_PMA_DEVAD,
4101 MDIO_WC_REG_PMD_KR_CONTROL, ~(1<<1));
4102 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
4103 MDIO_AN_REG_CTRL, 0);
4104 /* Turn off CL73 */
4105 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4106 MDIO_WC_REG_CL73_USERB0_CTRL, &val);
4107 val &= ~(1<<5);
4108 val |= (1<<6);
4109 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4110 MDIO_WC_REG_CL73_USERB0_CTRL, val);
4111
4112 /* Set 20G KR2 force speed */
4113 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4114 MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x1f);
4115
4116 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4117 MDIO_WC_REG_DIGITAL4_MISC3, (1<<7));
4118
4119 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4120 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &val);
4121 val &= ~(3<<14);
4122 val |= (1<<15);
4123 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4124 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, val);
4125 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4126 MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0x835A);
4127
4128 /* Enable sequencer (over lane 0) */
4129 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4130 MDIO_AER_BLOCK_AER_REG, 0);
4131
4132 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4133 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, (1<<13));
4134
4135 bnx2x_set_aer_mmd(params, phy);
4136 }
4137
bnx2x_warpcore_set_20G_DXGXS(struct bnx2x * bp,struct bnx2x_phy * phy,u16 lane)4138 static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
4139 struct bnx2x_phy *phy,
4140 u16 lane)
4141 {
4142 /* Rx0 anaRxControl1G */
4143 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4144 MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
4145
4146 /* Rx2 anaRxControl1G */
4147 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4148 MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
4149
4150 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4151 MDIO_WC_REG_RX66_SCW0, 0xE070);
4152
4153 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4154 MDIO_WC_REG_RX66_SCW1, 0xC0D0);
4155
4156 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4157 MDIO_WC_REG_RX66_SCW2, 0xA0B0);
4158
4159 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4160 MDIO_WC_REG_RX66_SCW3, 0x8090);
4161
4162 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4163 MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
4164
4165 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4166 MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
4167
4168 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4169 MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
4170
4171 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4172 MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
4173
4174 /* Serdes Digital Misc1 */
4175 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4176 MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
4177
4178 /* Serdes Digital4 Misc3 */
4179 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4180 MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
4181
4182 /* Set Transmit PMD settings */
4183 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4184 MDIO_WC_REG_TX_FIR_TAP,
4185 (WC_TX_FIR(0x12, 0x2d, 0x00) |
4186 MDIO_WC_REG_TX_FIR_TAP_ENABLE));
4187 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4188 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
4189 WC_TX_DRIVER(0x02, 0x02, 0x02, 0));
4190 }
4191
bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy * phy,struct link_params * params,u8 fiber_mode,u8 always_autoneg)4192 static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
4193 struct link_params *params,
4194 u8 fiber_mode,
4195 u8 always_autoneg)
4196 {
4197 struct bnx2x *bp = params->bp;
4198 u16 val16, digctrl_kx1, digctrl_kx2;
4199
4200 /* Clear XFI clock comp in non-10G single lane mode. */
4201 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4202 MDIO_WC_REG_RX66_CONTROL, ~(3<<13));
4203
4204 bnx2x_warpcore_set_lpi_passthrough(phy, params);
4205
4206 if (always_autoneg || phy->req_line_speed == SPEED_AUTO_NEG) {
4207 /* SGMII Autoneg */
4208 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4209 MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
4210 0x1000);
4211 DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
4212 } else {
4213 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4214 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4215 val16 &= 0xcebf;
4216 switch (phy->req_line_speed) {
4217 case SPEED_10:
4218 break;
4219 case SPEED_100:
4220 val16 |= 0x2000;
4221 break;
4222 case SPEED_1000:
4223 val16 |= 0x0040;
4224 break;
4225 default:
4226 DP(NETIF_MSG_LINK,
4227 "Speed not supported: 0x%x\n", phy->req_line_speed);
4228 return;
4229 }
4230
4231 if (phy->req_duplex == DUPLEX_FULL)
4232 val16 |= 0x0100;
4233
4234 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4235 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
4236
4237 DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
4238 phy->req_line_speed);
4239 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4240 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4241 DP(NETIF_MSG_LINK, " (readback) %x\n", val16);
4242 }
4243
4244 /* SGMII Slave mode and disable signal detect */
4245 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4246 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
4247 if (fiber_mode)
4248 digctrl_kx1 = 1;
4249 else
4250 digctrl_kx1 &= 0xff4a;
4251
4252 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4253 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4254 digctrl_kx1);
4255
4256 /* Turn off parallel detect */
4257 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4258 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
4259 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4260 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4261 (digctrl_kx2 & ~(1<<2)));
4262
4263 /* Re-enable parallel detect */
4264 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4265 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4266 (digctrl_kx2 | (1<<2)));
4267
4268 /* Enable autodet */
4269 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4270 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4271 (digctrl_kx1 | 0x10));
4272 }
4273
bnx2x_warpcore_reset_lane(struct bnx2x * bp,struct bnx2x_phy * phy,u8 reset)4274 static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
4275 struct bnx2x_phy *phy,
4276 u8 reset)
4277 {
4278 u16 val;
4279 /* Take lane out of reset after configuration is finished */
4280 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4281 MDIO_WC_REG_DIGITAL5_MISC6, &val);
4282 if (reset)
4283 val |= 0xC000;
4284 else
4285 val &= 0x3FFF;
4286 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4287 MDIO_WC_REG_DIGITAL5_MISC6, val);
4288 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4289 MDIO_WC_REG_DIGITAL5_MISC6, &val);
4290 }
4291 /* Clear SFI/XFI link settings registers */
bnx2x_warpcore_clear_regs(struct bnx2x_phy * phy,struct link_params * params,u16 lane)4292 static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
4293 struct link_params *params,
4294 u16 lane)
4295 {
4296 struct bnx2x *bp = params->bp;
4297 u16 i;
4298 static struct bnx2x_reg_set wc_regs[] = {
4299 {MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0},
4300 {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL1, 0x014a},
4301 {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL3, 0x0800},
4302 {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL4_MISC3, 0x8008},
4303 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4304 0x0195},
4305 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4306 0x0007},
4307 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
4308 0x0002},
4309 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000},
4310 {MDIO_WC_DEVAD, MDIO_WC_REG_TX_FIR_TAP, 0x0000},
4311 {MDIO_WC_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040},
4312 {MDIO_WC_DEVAD, MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140}
4313 };
4314 /* Set XFI clock comp as default. */
4315 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4316 MDIO_WC_REG_RX66_CONTROL, (3<<13));
4317
4318 for (i = 0; i < ARRAY_SIZE(wc_regs); i++)
4319 bnx2x_cl45_write(bp, phy, wc_regs[i].devad, wc_regs[i].reg,
4320 wc_regs[i].val);
4321
4322 lane = bnx2x_get_warpcore_lane(phy, params);
4323 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4324 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
4325
4326 }
4327
bnx2x_get_mod_abs_int_cfg(struct bnx2x * bp,u32 chip_id,u32 shmem_base,u8 port,u8 * gpio_num,u8 * gpio_port)4328 static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
4329 u32 chip_id,
4330 u32 shmem_base, u8 port,
4331 u8 *gpio_num, u8 *gpio_port)
4332 {
4333 u32 cfg_pin;
4334 *gpio_num = 0;
4335 *gpio_port = 0;
4336 if (CHIP_IS_E3(bp)) {
4337 cfg_pin = (REG_RD(bp, shmem_base +
4338 offsetof(struct shmem_region,
4339 dev_info.port_hw_config[port].e3_sfp_ctrl)) &
4340 PORT_HW_CFG_E3_MOD_ABS_MASK) >>
4341 PORT_HW_CFG_E3_MOD_ABS_SHIFT;
4342
4343 /* Should not happen. This function called upon interrupt
4344 * triggered by GPIO ( since EPIO can only generate interrupts
4345 * to MCP).
4346 * So if this function was called and none of the GPIOs was set,
4347 * it means the shit hit the fan.
4348 */
4349 if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
4350 (cfg_pin > PIN_CFG_GPIO3_P1)) {
4351 DP(NETIF_MSG_LINK,
4352 "No cfg pin %x for module detect indication\n",
4353 cfg_pin);
4354 return -EINVAL;
4355 }
4356
4357 *gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
4358 *gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
4359 } else {
4360 *gpio_num = MISC_REGISTERS_GPIO_3;
4361 *gpio_port = port;
4362 }
4363
4364 return 0;
4365 }
4366
bnx2x_is_sfp_module_plugged(struct bnx2x_phy * phy,struct link_params * params)4367 static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
4368 struct link_params *params)
4369 {
4370 struct bnx2x *bp = params->bp;
4371 u8 gpio_num, gpio_port;
4372 u32 gpio_val;
4373 if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
4374 params->shmem_base, params->port,
4375 &gpio_num, &gpio_port) != 0)
4376 return 0;
4377 gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
4378
4379 /* Call the handling function in case module is detected */
4380 if (gpio_val == 0)
4381 return 1;
4382 else
4383 return 0;
4384 }
bnx2x_warpcore_get_sigdet(struct bnx2x_phy * phy,struct link_params * params)4385 static int bnx2x_warpcore_get_sigdet(struct bnx2x_phy *phy,
4386 struct link_params *params)
4387 {
4388 u16 gp2_status_reg0, lane;
4389 struct bnx2x *bp = params->bp;
4390
4391 lane = bnx2x_get_warpcore_lane(phy, params);
4392
4393 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
4394 &gp2_status_reg0);
4395
4396 return (gp2_status_reg0 >> (8+lane)) & 0x1;
4397 }
4398
bnx2x_warpcore_config_runtime(struct bnx2x_phy * phy,struct link_params * params,struct link_vars * vars)4399 static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy,
4400 struct link_params *params,
4401 struct link_vars *vars)
4402 {
4403 struct bnx2x *bp = params->bp;
4404 u32 serdes_net_if;
4405 u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
4406
4407 vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;
4408
4409 if (!vars->turn_to_run_wc_rt)
4410 return;
4411
4412 if (vars->rx_tx_asic_rst) {
4413 u16 lane = bnx2x_get_warpcore_lane(phy, params);
4414 serdes_net_if = (REG_RD(bp, params->shmem_base +
4415 offsetof(struct shmem_region, dev_info.
4416 port_hw_config[params->port].default_cfg)) &
4417 PORT_HW_CFG_NET_SERDES_IF_MASK);
4418
4419 switch (serdes_net_if) {
4420 case PORT_HW_CFG_NET_SERDES_IF_KR:
4421 /* Do we get link yet? */
4422 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 0x81d1,
4423 &gp_status1);
4424 lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */
4425 /*10G KR*/
4426 lnkup_kr = (gp_status1 >> (12+lane)) & 0x1;
4427
4428 if (lnkup_kr || lnkup) {
4429 vars->rx_tx_asic_rst = 0;
4430 } else {
4431 /* Reset the lane to see if link comes up.*/
4432 bnx2x_warpcore_reset_lane(bp, phy, 1);
4433 bnx2x_warpcore_reset_lane(bp, phy, 0);
4434
4435 /* Restart Autoneg */
4436 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
4437 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
4438
4439 vars->rx_tx_asic_rst--;
4440 DP(NETIF_MSG_LINK, "0x%x retry left\n",
4441 vars->rx_tx_asic_rst);
4442 }
4443 break;
4444
4445 default:
4446 break;
4447 }
4448
4449 } /*params->rx_tx_asic_rst*/
4450
4451 }
bnx2x_warpcore_config_sfi(struct bnx2x_phy * phy,struct link_params * params)4452 static void bnx2x_warpcore_config_sfi(struct bnx2x_phy *phy,
4453 struct link_params *params)
4454 {
4455 u16 lane = bnx2x_get_warpcore_lane(phy, params);
4456 struct bnx2x *bp = params->bp;
4457 bnx2x_warpcore_clear_regs(phy, params, lane);
4458 if ((params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)] ==
4459 SPEED_10000) &&
4460 (phy->media_type != ETH_PHY_SFP_1G_FIBER)) {
4461 DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
4462 bnx2x_warpcore_set_10G_XFI(phy, params, 0);
4463 } else {
4464 DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
4465 bnx2x_warpcore_set_sgmii_speed(phy, params, 1, 0);
4466 }
4467 }
4468
bnx2x_sfp_e3_set_transmitter(struct link_params * params,struct bnx2x_phy * phy,u8 tx_en)4469 static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
4470 struct bnx2x_phy *phy,
4471 u8 tx_en)
4472 {
4473 struct bnx2x *bp = params->bp;
4474 u32 cfg_pin;
4475 u8 port = params->port;
4476
4477 cfg_pin = REG_RD(bp, params->shmem_base +
4478 offsetof(struct shmem_region,
4479 dev_info.port_hw_config[port].e3_sfp_ctrl)) &
4480 PORT_HW_CFG_E3_TX_LASER_MASK;
4481 /* Set the !tx_en since this pin is DISABLE_TX_LASER */
4482 DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
4483
4484 /* For 20G, the expected pin to be used is 3 pins after the current */
4485 bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
4486 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
4487 bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
4488 }
4489
bnx2x_warpcore_config_init(struct bnx2x_phy * phy,struct link_params * params,struct link_vars * vars)4490 static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
4491 struct link_params *params,
4492 struct link_vars *vars)
4493 {
4494 struct bnx2x *bp = params->bp;
4495 u32 serdes_net_if;
4496 u8 fiber_mode;
4497 u16 lane = bnx2x_get_warpcore_lane(phy, params);
4498 serdes_net_if = (REG_RD(bp, params->shmem_base +
4499 offsetof(struct shmem_region, dev_info.
4500 port_hw_config[params->port].default_cfg)) &
4501 PORT_HW_CFG_NET_SERDES_IF_MASK);
4502 DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
4503 "serdes_net_if = 0x%x\n",
4504 vars->line_speed, serdes_net_if);
4505 bnx2x_set_aer_mmd(params, phy);
4506 bnx2x_warpcore_reset_lane(bp, phy, 1);
4507 vars->phy_flags |= PHY_XGXS_FLAG;
4508 if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
4509 (phy->req_line_speed &&
4510 ((phy->req_line_speed == SPEED_100) ||
4511 (phy->req_line_speed == SPEED_10)))) {
4512 vars->phy_flags |= PHY_SGMII_FLAG;
4513 DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
4514 bnx2x_warpcore_clear_regs(phy, params, lane);
4515 bnx2x_warpcore_set_sgmii_speed(phy, params, 0, 1);
4516 } else {
4517 switch (serdes_net_if) {
4518 case PORT_HW_CFG_NET_SERDES_IF_KR:
4519 /* Enable KR Auto Neg */
4520 if (params->loopback_mode != LOOPBACK_EXT)
4521 bnx2x_warpcore_enable_AN_KR(phy, params, vars);
4522 else {
4523 DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
4524 bnx2x_warpcore_set_10G_KR(phy, params, vars);
4525 }
4526 break;
4527
4528 case PORT_HW_CFG_NET_SERDES_IF_XFI:
4529 bnx2x_warpcore_clear_regs(phy, params, lane);
4530 if (vars->line_speed == SPEED_10000) {
4531 DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
4532 bnx2x_warpcore_set_10G_XFI(phy, params, 1);
4533 } else {
4534 if (SINGLE_MEDIA_DIRECT(params)) {
4535 DP(NETIF_MSG_LINK, "1G Fiber\n");
4536 fiber_mode = 1;
4537 } else {
4538 DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
4539 fiber_mode = 0;
4540 }
4541 bnx2x_warpcore_set_sgmii_speed(phy,
4542 params,
4543 fiber_mode,
4544 0);
4545 }
4546
4547 break;
4548
4549 case PORT_HW_CFG_NET_SERDES_IF_SFI:
4550 /* Issue Module detection if module is plugged, or
4551 * enabled transmitter to avoid current leakage in case
4552 * no module is connected
4553 */
4554 if ((params->loopback_mode == LOOPBACK_NONE) ||
4555 (params->loopback_mode == LOOPBACK_EXT)) {
4556 if (bnx2x_is_sfp_module_plugged(phy, params))
4557 bnx2x_sfp_module_detection(phy, params);
4558 else
4559 bnx2x_sfp_e3_set_transmitter(params,
4560 phy, 1);
4561 }
4562
4563 bnx2x_warpcore_config_sfi(phy, params);
4564 break;
4565
4566 case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
4567 if (vars->line_speed != SPEED_20000) {
4568 DP(NETIF_MSG_LINK, "Speed not supported yet\n");
4569 return;
4570 }
4571 DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
4572 bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
4573 /* Issue Module detection */
4574
4575 bnx2x_sfp_module_detection(phy, params);
4576 break;
4577 case PORT_HW_CFG_NET_SERDES_IF_KR2:
4578 if (!params->loopback_mode) {
4579 bnx2x_warpcore_enable_AN_KR(phy, params, vars);
4580 } else {
4581 DP(NETIF_MSG_LINK, "Setting KR 20G-Force\n");
4582 bnx2x_warpcore_set_20G_force_KR2(phy, params);
4583 }
4584 break;
4585 default:
4586 DP(NETIF_MSG_LINK,
4587 "Unsupported Serdes Net Interface 0x%x\n",
4588 serdes_net_if);
4589 return;
4590 }
4591 }
4592
4593 /* Take lane out of reset after configuration is finished */
4594 bnx2x_warpcore_reset_lane(bp, phy, 0);
4595 DP(NETIF_MSG_LINK, "Exit config init\n");
4596 }
4597
bnx2x_warpcore_link_reset(struct bnx2x_phy * phy,struct link_params * params)4598 static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
4599 struct link_params *params)
4600 {
4601 struct bnx2x *bp = params->bp;
4602 u16 val16, lane;
4603 bnx2x_sfp_e3_set_transmitter(params, phy, 0);
4604 bnx2x_set_mdio_emac_per_phy(bp, params);
4605 bnx2x_set_aer_mmd(params, phy);
4606 /* Global register */
4607 bnx2x_warpcore_reset_lane(bp, phy, 1);
4608
4609 /* Clear loopback settings (if any) */
4610 /* 10G & 20G */
4611 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4612 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0xBFFF);
4613
4614 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4615 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0xfffe);
4616
4617 /* Update those 1-copy registers */
4618 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4619 MDIO_AER_BLOCK_AER_REG, 0);
4620 /* Enable 1G MDIO (1-copy) */
4621 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4622 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4623 ~0x10);
4624
4625 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4626 MDIO_WC_REG_XGXSBLK1_LANECTRL2, 0xff00);
4627 lane = bnx2x_get_warpcore_lane(phy, params);
4628 /* Disable CL36 PCS Tx */
4629 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4630 MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
4631 val16 |= (0x11 << lane);
4632 if (phy->flags & FLAGS_WC_DUAL_MODE)
4633 val16 |= (0x22 << lane);
4634 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4635 MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
4636
4637 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4638 MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
4639 val16 &= ~(0x0303 << (lane << 1));
4640 val16 |= (0x0101 << (lane << 1));
4641 if (phy->flags & FLAGS_WC_DUAL_MODE) {
4642 val16 &= ~(0x0c0c << (lane << 1));
4643 val16 |= (0x0404 << (lane << 1));
4644 }
4645
4646 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4647 MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
4648 /* Restore AER */
4649 bnx2x_set_aer_mmd(params, phy);
4650
4651 }
4652
bnx2x_set_warpcore_loopback(struct bnx2x_phy * phy,struct link_params * params)4653 static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
4654 struct link_params *params)
4655 {
4656 struct bnx2x *bp = params->bp;
4657 u16 val16;
4658 u32 lane;
4659 DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
4660 params->loopback_mode, phy->req_line_speed);
4661
4662 if (phy->req_line_speed < SPEED_10000 ||
4663 phy->supported & SUPPORTED_20000baseKR2_Full) {
4664 /* 10/100/1000/20G-KR2 */
4665
4666 /* Update those 1-copy registers */
4667 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4668 MDIO_AER_BLOCK_AER_REG, 0);
4669 /* Enable 1G MDIO (1-copy) */
4670 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4671 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4672 0x10);
4673 /* Set 1G loopback based on lane (1-copy) */
4674 lane = bnx2x_get_warpcore_lane(phy, params);
4675 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4676 MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
4677 val16 |= (1<<lane);
4678 if (phy->flags & FLAGS_WC_DUAL_MODE)
4679 val16 |= (2<<lane);
4680 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4681 MDIO_WC_REG_XGXSBLK1_LANECTRL2,
4682 val16);
4683
4684 /* Switch back to 4-copy registers */
4685 bnx2x_set_aer_mmd(params, phy);
4686 } else {
4687 /* 10G / 20G-DXGXS */
4688 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4689 MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
4690 0x4000);
4691 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4692 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1);
4693 }
4694 }
4695
4696
4697
bnx2x_sync_link(struct link_params * params,struct link_vars * vars)4698 static void bnx2x_sync_link(struct link_params *params,
4699 struct link_vars *vars)
4700 {
4701 struct bnx2x *bp = params->bp;
4702 u8 link_10g_plus;
4703 if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
4704 vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
4705 vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
4706 if (vars->link_up) {
4707 DP(NETIF_MSG_LINK, "phy link up\n");
4708
4709 vars->phy_link_up = 1;
4710 vars->duplex = DUPLEX_FULL;
4711 switch (vars->link_status &
4712 LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
4713 case LINK_10THD:
4714 vars->duplex = DUPLEX_HALF;
4715 fallthrough;
4716 case LINK_10TFD:
4717 vars->line_speed = SPEED_10;
4718 break;
4719
4720 case LINK_100TXHD:
4721 vars->duplex = DUPLEX_HALF;
4722 fallthrough;
4723 case LINK_100T4:
4724 case LINK_100TXFD:
4725 vars->line_speed = SPEED_100;
4726 break;
4727
4728 case LINK_1000THD:
4729 vars->duplex = DUPLEX_HALF;
4730 fallthrough;
4731 case LINK_1000TFD:
4732 vars->line_speed = SPEED_1000;
4733 break;
4734
4735 case LINK_2500THD:
4736 vars->duplex = DUPLEX_HALF;
4737 fallthrough;
4738 case LINK_2500TFD:
4739 vars->line_speed = SPEED_2500;
4740 break;
4741
4742 case LINK_10GTFD:
4743 vars->line_speed = SPEED_10000;
4744 break;
4745 case LINK_20GTFD:
4746 vars->line_speed = SPEED_20000;
4747 break;
4748 default:
4749 break;
4750 }
4751 vars->flow_ctrl = 0;
4752 if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
4753 vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
4754
4755 if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
4756 vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
4757
4758 if (!vars->flow_ctrl)
4759 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
4760
4761 if (vars->line_speed &&
4762 ((vars->line_speed == SPEED_10) ||
4763 (vars->line_speed == SPEED_100))) {
4764 vars->phy_flags |= PHY_SGMII_FLAG;
4765 } else {
4766 vars->phy_flags &= ~PHY_SGMII_FLAG;
4767 }
4768 if (vars->line_speed &&
4769 USES_WARPCORE(bp) &&
4770 (vars->line_speed == SPEED_1000))
4771 vars->phy_flags |= PHY_SGMII_FLAG;
4772 /* Anything 10 and over uses the bmac */
4773 link_10g_plus = (vars->line_speed >= SPEED_10000);
4774
4775 if (link_10g_plus) {
4776 if (USES_WARPCORE(bp))
4777 vars->mac_type = MAC_TYPE_XMAC;
4778 else
4779 vars->mac_type = MAC_TYPE_BMAC;
4780 } else {
4781 if (USES_WARPCORE(bp))
4782 vars->mac_type = MAC_TYPE_UMAC;
4783 else
4784 vars->mac_type = MAC_TYPE_EMAC;
4785 }
4786 } else { /* Link down */
4787 DP(NETIF_MSG_LINK, "phy link down\n");
4788
4789 vars->phy_link_up = 0;
4790
4791 vars->line_speed = 0;
4792 vars->duplex = DUPLEX_FULL;
4793 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
4794
4795 /* Indicate no mac active */
4796 vars->mac_type = MAC_TYPE_NONE;
4797 if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
4798 vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
4799 if (vars->link_status & LINK_STATUS_SFP_TX_FAULT)
4800 vars->phy_flags |= PHY_SFP_TX_FAULT_FLAG;
4801 }
4802 }
4803
bnx2x_link_status_update(struct link_params * params,struct link_vars * vars)4804 void bnx2x_link_status_update(struct link_params *params,
4805 struct link_vars *vars)
4806 {
4807 struct bnx2x *bp = params->bp;
4808 u8 port = params->port;
4809 u32 sync_offset, media_types;
4810 /* Update PHY configuration */
4811 set_phy_vars(params, vars);
4812
4813 vars->link_status = REG_RD(bp, params->shmem_base +
4814 offsetof(struct shmem_region,
4815 port_mb[port].link_status));
4816
4817 /* Force link UP in non LOOPBACK_EXT loopback mode(s) */
4818 if (params->loopback_mode != LOOPBACK_NONE &&
4819 params->loopback_mode != LOOPBACK_EXT)
4820 vars->link_status |= LINK_STATUS_LINK_UP;
4821
4822 if (bnx2x_eee_has_cap(params))
4823 vars->eee_status = REG_RD(bp, params->shmem2_base +
4824 offsetof(struct shmem2_region,
4825 eee_status[params->port]));
4826
4827 vars->phy_flags = PHY_XGXS_FLAG;
4828 bnx2x_sync_link(params, vars);
4829 /* Sync media type */
4830 sync_offset = params->shmem_base +
4831 offsetof(struct shmem_region,
4832 dev_info.port_hw_config[port].media_type);
4833 media_types = REG_RD(bp, sync_offset);
4834
4835 params->phy[INT_PHY].media_type =
4836 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
4837 PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
4838 params->phy[EXT_PHY1].media_type =
4839 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
4840 PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
4841 params->phy[EXT_PHY2].media_type =
4842 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
4843 PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
4844 DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
4845
4846 /* Sync AEU offset */
4847 sync_offset = params->shmem_base +
4848 offsetof(struct shmem_region,
4849 dev_info.port_hw_config[port].aeu_int_mask);
4850
4851 vars->aeu_int_mask = REG_RD(bp, sync_offset);
4852
4853 /* Sync PFC status */
4854 if (vars->link_status & LINK_STATUS_PFC_ENABLED)
4855 params->feature_config_flags |=
4856 FEATURE_CONFIG_PFC_ENABLED;
4857 else
4858 params->feature_config_flags &=
4859 ~FEATURE_CONFIG_PFC_ENABLED;
4860
4861 if (SHMEM2_HAS(bp, link_attr_sync))
4862 params->link_attr_sync = SHMEM2_RD(bp,
4863 link_attr_sync[params->port]);
4864
4865 DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
4866 vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
4867 DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
4868 vars->line_speed, vars->duplex, vars->flow_ctrl);
4869 }
4870
bnx2x_set_master_ln(struct link_params * params,struct bnx2x_phy * phy)4871 static void bnx2x_set_master_ln(struct link_params *params,
4872 struct bnx2x_phy *phy)
4873 {
4874 struct bnx2x *bp = params->bp;
4875 u16 new_master_ln, ser_lane;
4876 ser_lane = ((params->lane_config &
4877 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
4878 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
4879
4880 /* Set the master_ln for AN */
4881 CL22_RD_OVER_CL45(bp, phy,
4882 MDIO_REG_BANK_XGXS_BLOCK2,
4883 MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
4884 &new_master_ln);
4885
4886 CL22_WR_OVER_CL45(bp, phy,
4887 MDIO_REG_BANK_XGXS_BLOCK2 ,
4888 MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
4889 (new_master_ln | ser_lane));
4890 }
4891
bnx2x_reset_unicore(struct link_params * params,struct bnx2x_phy * phy,u8 set_serdes)4892 static int bnx2x_reset_unicore(struct link_params *params,
4893 struct bnx2x_phy *phy,
4894 u8 set_serdes)
4895 {
4896 struct bnx2x *bp = params->bp;
4897 u16 mii_control;
4898 u16 i;
4899 CL22_RD_OVER_CL45(bp, phy,
4900 MDIO_REG_BANK_COMBO_IEEE0,
4901 MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
4902
4903 /* Reset the unicore */
4904 CL22_WR_OVER_CL45(bp, phy,
4905 MDIO_REG_BANK_COMBO_IEEE0,
4906 MDIO_COMBO_IEEE0_MII_CONTROL,
4907 (mii_control |
4908 MDIO_COMBO_IEEO_MII_CONTROL_RESET));
4909 if (set_serdes)
4910 bnx2x_set_serdes_access(bp, params->port);
4911
4912 /* Wait for the reset to self clear */
4913 for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
4914 udelay(5);
4915
4916 /* The reset erased the previous bank value */
4917 CL22_RD_OVER_CL45(bp, phy,
4918 MDIO_REG_BANK_COMBO_IEEE0,
4919 MDIO_COMBO_IEEE0_MII_CONTROL,
4920 &mii_control);
4921
4922 if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
4923 udelay(5);
4924 return 0;
4925 }
4926 }
4927
4928 netdev_err(bp->dev, "Warning: PHY was not initialized,"
4929 " Port %d\n",
4930 params->port);
4931 DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
4932 return -EINVAL;
4933
4934 }
4935
bnx2x_set_swap_lanes(struct link_params * params,struct bnx2x_phy * phy)4936 static void bnx2x_set_swap_lanes(struct link_params *params,
4937 struct bnx2x_phy *phy)
4938 {
4939 struct bnx2x *bp = params->bp;
4940 /* Each two bits represents a lane number:
4941 * No swap is 0123 => 0x1b no need to enable the swap
4942 */
4943 u16 rx_lane_swap, tx_lane_swap;
4944
4945 rx_lane_swap = ((params->lane_config &
4946 PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
4947 PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
4948 tx_lane_swap = ((params->lane_config &
4949 PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
4950 PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
4951
4952 if (rx_lane_swap != 0x1b) {
4953 CL22_WR_OVER_CL45(bp, phy,
4954 MDIO_REG_BANK_XGXS_BLOCK2,
4955 MDIO_XGXS_BLOCK2_RX_LN_SWAP,
4956 (rx_lane_swap |
4957 MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
4958 MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
4959 } else {
4960 CL22_WR_OVER_CL45(bp, phy,
4961 MDIO_REG_BANK_XGXS_BLOCK2,
4962 MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
4963 }
4964
4965 if (tx_lane_swap != 0x1b) {
4966 CL22_WR_OVER_CL45(bp, phy,
4967 MDIO_REG_BANK_XGXS_BLOCK2,
4968 MDIO_XGXS_BLOCK2_TX_LN_SWAP,
4969 (tx_lane_swap |
4970 MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
4971 } else {
4972 CL22_WR_OVER_CL45(bp, phy,
4973 MDIO_REG_BANK_XGXS_BLOCK2,
4974 MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
4975 }
4976 }
4977
bnx2x_set_parallel_detection(struct bnx2x_phy * phy,struct link_params * params)4978 static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
4979 struct link_params *params)
4980 {
4981 struct bnx2x *bp = params->bp;
4982 u16 control2;
4983 CL22_RD_OVER_CL45(bp, phy,
4984 MDIO_REG_BANK_SERDES_DIGITAL,
4985 MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
4986 &control2);
4987 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
4988 control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
4989 else
4990 control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
4991 DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
4992 phy->speed_cap_mask, control2);
4993 CL22_WR_OVER_CL45(bp, phy,
4994 MDIO_REG_BANK_SERDES_DIGITAL,
4995 MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
4996 control2);
4997
4998 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
4999 (phy->speed_cap_mask &
5000 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
5001 DP(NETIF_MSG_LINK, "XGXS\n");
5002
5003 CL22_WR_OVER_CL45(bp, phy,
5004 MDIO_REG_BANK_10G_PARALLEL_DETECT,
5005 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
5006 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
5007
5008 CL22_RD_OVER_CL45(bp, phy,
5009 MDIO_REG_BANK_10G_PARALLEL_DETECT,
5010 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
5011 &control2);
5012
5013
5014 control2 |=
5015 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
5016
5017 CL22_WR_OVER_CL45(bp, phy,
5018 MDIO_REG_BANK_10G_PARALLEL_DETECT,
5019 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
5020 control2);
5021
5022 /* Disable parallel detection of HiG */
5023 CL22_WR_OVER_CL45(bp, phy,
5024 MDIO_REG_BANK_XGXS_BLOCK2,
5025 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
5026 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
5027 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
5028 }
5029 }
5030
bnx2x_set_autoneg(struct bnx2x_phy * phy,struct link_params * params,struct link_vars * vars,u8 enable_cl73)5031 static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
5032 struct link_params *params,
5033 struct link_vars *vars,
5034 u8 enable_cl73)
5035 {
5036 struct bnx2x *bp = params->bp;
5037 u16 reg_val;
5038
5039 /* CL37 Autoneg */
5040 CL22_RD_OVER_CL45(bp, phy,
5041 MDIO_REG_BANK_COMBO_IEEE0,
5042 MDIO_COMBO_IEEE0_MII_CONTROL, ®_val);
5043
5044 /* CL37 Autoneg Enabled */
5045 if (vars->line_speed == SPEED_AUTO_NEG)
5046 reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
5047 else /* CL37 Autoneg Disabled */
5048 reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5049 MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
5050
5051 CL22_WR_OVER_CL45(bp, phy,
5052 MDIO_REG_BANK_COMBO_IEEE0,
5053 MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
5054
5055 /* Enable/Disable Autodetection */
5056
5057 CL22_RD_OVER_CL45(bp, phy,
5058 MDIO_REG_BANK_SERDES_DIGITAL,
5059 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, ®_val);
5060 reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
5061 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
5062 reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
5063 if (vars->line_speed == SPEED_AUTO_NEG)
5064 reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
5065 else
5066 reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
5067
5068 CL22_WR_OVER_CL45(bp, phy,
5069 MDIO_REG_BANK_SERDES_DIGITAL,
5070 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
5071
5072 /* Enable TetonII and BAM autoneg */
5073 CL22_RD_OVER_CL45(bp, phy,
5074 MDIO_REG_BANK_BAM_NEXT_PAGE,
5075 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
5076 ®_val);
5077 if (vars->line_speed == SPEED_AUTO_NEG) {
5078 /* Enable BAM aneg Mode and TetonII aneg Mode */
5079 reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
5080 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
5081 } else {
5082 /* TetonII and BAM Autoneg Disabled */
5083 reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
5084 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
5085 }
5086 CL22_WR_OVER_CL45(bp, phy,
5087 MDIO_REG_BANK_BAM_NEXT_PAGE,
5088 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
5089 reg_val);
5090
5091 if (enable_cl73) {
5092 /* Enable Cl73 FSM status bits */
5093 CL22_WR_OVER_CL45(bp, phy,
5094 MDIO_REG_BANK_CL73_USERB0,
5095 MDIO_CL73_USERB0_CL73_UCTRL,
5096 0xe);
5097
5098 /* Enable BAM Station Manager*/
5099 CL22_WR_OVER_CL45(bp, phy,
5100 MDIO_REG_BANK_CL73_USERB0,
5101 MDIO_CL73_USERB0_CL73_BAM_CTRL1,
5102 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
5103 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
5104 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
5105
5106 /* Advertise CL73 link speeds */
5107 CL22_RD_OVER_CL45(bp, phy,
5108 MDIO_REG_BANK_CL73_IEEEB1,
5109 MDIO_CL73_IEEEB1_AN_ADV2,
5110 ®_val);
5111 if (phy->speed_cap_mask &
5112 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
5113 reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
5114 if (phy->speed_cap_mask &
5115 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
5116 reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
5117
5118 CL22_WR_OVER_CL45(bp, phy,
5119 MDIO_REG_BANK_CL73_IEEEB1,
5120 MDIO_CL73_IEEEB1_AN_ADV2,
5121 reg_val);
5122
5123 /* CL73 Autoneg Enabled */
5124 reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
5125
5126 } else /* CL73 Autoneg Disabled */
5127 reg_val = 0;
5128
5129 CL22_WR_OVER_CL45(bp, phy,
5130 MDIO_REG_BANK_CL73_IEEEB0,
5131 MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
5132 }
5133
5134 /* Program SerDes, forced speed */
bnx2x_program_serdes(struct bnx2x_phy * phy,struct link_params * params,struct link_vars * vars)5135 static void bnx2x_program_serdes(struct bnx2x_phy *phy,
5136 struct link_params *params,
5137 struct link_vars *vars)
5138 {
5139 struct bnx2x *bp = params->bp;
5140 u16 reg_val;
5141
5142 /* Program duplex, disable autoneg and sgmii*/
5143 CL22_RD_OVER_CL45(bp, phy,
5144 MDIO_REG_BANK_COMBO_IEEE0,
5145 MDIO_COMBO_IEEE0_MII_CONTROL, ®_val);
5146 reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
5147 MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5148 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
5149 if (phy->req_duplex == DUPLEX_FULL)
5150 reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
5151 CL22_WR_OVER_CL45(bp, phy,
5152 MDIO_REG_BANK_COMBO_IEEE0,
5153 MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
5154
5155 /* Program speed
5156 * - needed only if the speed is greater than 1G (2.5G or 10G)
5157 */
5158 CL22_RD_OVER_CL45(bp, phy,
5159 MDIO_REG_BANK_SERDES_DIGITAL,
5160 MDIO_SERDES_DIGITAL_MISC1, ®_val);
5161 /* Clearing the speed value before setting the right speed */
5162 DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
5163
5164 reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
5165 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
5166
5167 if (!((vars->line_speed == SPEED_1000) ||
5168 (vars->line_speed == SPEED_100) ||
5169 (vars->line_speed == SPEED_10))) {
5170
5171 reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
5172 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
5173 if (vars->line_speed == SPEED_10000)
5174 reg_val |=
5175 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
5176 }
5177
5178 CL22_WR_OVER_CL45(bp, phy,
5179 MDIO_REG_BANK_SERDES_DIGITAL,
5180 MDIO_SERDES_DIGITAL_MISC1, reg_val);
5181
5182 }
5183
bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy * phy,struct link_params * params)5184 static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
5185 struct link_params *params)
5186 {
5187 struct bnx2x *bp = params->bp;
5188 u16 val = 0;
5189
5190 /* Set extended capabilities */
5191 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
5192 val |= MDIO_OVER_1G_UP1_2_5G;
5193 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
5194 val |= MDIO_OVER_1G_UP1_10G;
5195 CL22_WR_OVER_CL45(bp, phy,
5196 MDIO_REG_BANK_OVER_1G,
5197 MDIO_OVER_1G_UP1, val);
5198
5199 CL22_WR_OVER_CL45(bp, phy,
5200 MDIO_REG_BANK_OVER_1G,
5201 MDIO_OVER_1G_UP3, 0x400);
5202 }
5203
bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy * phy,struct link_params * params,u16 ieee_fc)5204 static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
5205 struct link_params *params,
5206 u16 ieee_fc)
5207 {
5208 struct bnx2x *bp = params->bp;
5209 u16 val;
5210 /* For AN, we are always publishing full duplex */
5211
5212 CL22_WR_OVER_CL45(bp, phy,
5213 MDIO_REG_BANK_COMBO_IEEE0,
5214 MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
5215 CL22_RD_OVER_CL45(bp, phy,
5216 MDIO_REG_BANK_CL73_IEEEB1,
5217 MDIO_CL73_IEEEB1_AN_ADV1, &val);
5218 val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
5219 val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
5220 CL22_WR_OVER_CL45(bp, phy,
5221 MDIO_REG_BANK_CL73_IEEEB1,
5222 MDIO_CL73_IEEEB1_AN_ADV1, val);
5223 }
5224
bnx2x_restart_autoneg(struct bnx2x_phy * phy,struct link_params * params,u8 enable_cl73)5225 static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
5226 struct link_params *params,
5227 u8 enable_cl73)
5228 {
5229 struct bnx2x *bp = params->bp;
5230 u16 mii_control;
5231
5232 DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
5233 /* Enable and restart BAM/CL37 aneg */
5234
5235 if (enable_cl73) {
5236 CL22_RD_OVER_CL45(bp, phy,
5237 MDIO_REG_BANK_CL73_IEEEB0,
5238 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5239 &mii_control);
5240
5241 CL22_WR_OVER_CL45(bp, phy,
5242 MDIO_REG_BANK_CL73_IEEEB0,
5243 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5244 (mii_control |
5245 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
5246 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
5247 } else {
5248
5249 CL22_RD_OVER_CL45(bp, phy,
5250 MDIO_REG_BANK_COMBO_IEEE0,
5251 MDIO_COMBO_IEEE0_MII_CONTROL,
5252 &mii_control);
5253 DP(NETIF_MSG_LINK,
5254 "bnx2x_restart_autoneg mii_control before = 0x%x\n",
5255 mii_control);
5256 CL22_WR_OVER_CL45(bp, phy,
5257 MDIO_REG_BANK_COMBO_IEEE0,
5258 MDIO_COMBO_IEEE0_MII_CONTROL,
5259 (mii_control |
5260 MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5261 MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
5262 }
5263 }
5264
bnx2x_initialize_sgmii_process(struct bnx2x_phy * phy,struct link_params * params,struct link_vars * vars)5265 static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
5266 struct link_params *params,
5267 struct link_vars *vars)
5268 {
5269 struct bnx2x *bp = params->bp;
5270 u16 control1;
5271
5272 /* In SGMII mode, the unicore is always slave */
5273
5274 CL22_RD_OVER_CL45(bp, phy,
5275 MDIO_REG_BANK_SERDES_DIGITAL,
5276 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
5277 &control1);
5278 control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
5279 /* Set sgmii mode (and not fiber) */
5280 control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
5281 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
5282 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
5283 CL22_WR_OVER_CL45(bp, phy,
5284 MDIO_REG_BANK_SERDES_DIGITAL,
5285 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
5286 control1);
5287
5288 /* If forced speed */
5289 if (!(vars->line_speed == SPEED_AUTO_NEG)) {
5290 /* Set speed, disable autoneg */
5291 u16 mii_control;
5292
5293 CL22_RD_OVER_CL45(bp, phy,
5294 MDIO_REG_BANK_COMBO_IEEE0,
5295 MDIO_COMBO_IEEE0_MII_CONTROL,
5296 &mii_control);
5297 mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5298 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
5299 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
5300
5301 switch (vars->line_speed) {
5302 case SPEED_100:
5303 mii_control |=
5304 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
5305 break;
5306 case SPEED_1000:
5307 mii_control |=
5308 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
5309 break;
5310 case SPEED_10:
5311 /* There is nothing to set for 10M */
5312 break;
5313 default:
5314 /* Invalid speed for SGMII */
5315 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
5316 vars->line_speed);
5317 break;
5318 }
5319
5320 /* Setting the full duplex */
5321 if (phy->req_duplex == DUPLEX_FULL)
5322 mii_control |=
5323 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
5324 CL22_WR_OVER_CL45(bp, phy,
5325 MDIO_REG_BANK_COMBO_IEEE0,
5326 MDIO_COMBO_IEEE0_MII_CONTROL,
5327 mii_control);
5328
5329 } else { /* AN mode */
5330 /* Enable and restart AN */
5331 bnx2x_restart_autoneg(phy, params, 0);
5332 }
5333 }
5334
5335 /* Link management
5336 */
bnx2x_direct_parallel_detect_used(struct bnx2x_phy * phy,struct link_params * params)5337 static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
5338 struct link_params *params)
5339 {
5340 struct bnx2x *bp = params->bp;
5341 u16 pd_10g, status2_1000x;
5342 if (phy->req_line_speed != SPEED_AUTO_NEG)
5343 return 0;
5344 CL22_RD_OVER_CL45(bp, phy,
5345 MDIO_REG_BANK_SERDES_DIGITAL,
5346 MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
5347 &status2_1000x);
5348 CL22_RD_OVER_CL45(bp, phy,
5349 MDIO_REG_BANK_SERDES_DIGITAL,
5350 MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
5351 &status2_1000x);
5352 if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
5353 DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
5354 params->port);
5355 return 1;
5356 }
5357
5358 CL22_RD_OVER_CL45(bp, phy,
5359 MDIO_REG_BANK_10G_PARALLEL_DETECT,
5360 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
5361 &pd_10g);
5362
5363 if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
5364 DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
5365 params->port);
5366 return 1;
5367 }
5368 return 0;
5369 }
5370
bnx2x_update_adv_fc(struct bnx2x_phy * phy,struct link_params * params,struct link_vars * vars,u32 gp_status)5371 static void bnx2x_update_adv_fc(struct bnx2x_phy *phy,
5372 struct link_params *params,
5373 struct link_vars *vars,
5374 u32 gp_status)
5375 {
5376 u16 ld_pause; /* local driver */
5377 u16 lp_pause; /* link partner */
5378 u16 pause_result;
5379 struct bnx2x *bp = params->bp;
5380 if ((gp_status &
5381 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
5382 MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
5383 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
5384 MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
5385
5386 CL22_RD_OVER_CL45(bp, phy,
5387 MDIO_REG_BANK_CL73_IEEEB1,
5388 MDIO_CL73_IEEEB1_AN_ADV1,
5389 &ld_pause);
5390 CL22_RD_OVER_CL45(bp, phy,
5391 MDIO_REG_BANK_CL73_IEEEB1,
5392 MDIO_CL73_IEEEB1_AN_LP_ADV1,
5393 &lp_pause);
5394 pause_result = (ld_pause &
5395 MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK) >> 8;
5396 pause_result |= (lp_pause &
5397 MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK) >> 10;
5398 DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n", pause_result);
5399 } else {
5400 CL22_RD_OVER_CL45(bp, phy,
5401 MDIO_REG_BANK_COMBO_IEEE0,
5402 MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
5403 &ld_pause);
5404 CL22_RD_OVER_CL45(bp, phy,
5405 MDIO_REG_BANK_COMBO_IEEE0,
5406 MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
5407 &lp_pause);
5408 pause_result = (ld_pause &
5409 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
5410 pause_result |= (lp_pause &
5411 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
5412 DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n", pause_result);
5413 }
5414 bnx2x_pause_resolve(phy, params, vars, pause_result);
5415
5416 }
5417
bnx2x_flow_ctrl_resolve(struct bnx2x_phy * phy,struct link_params * params,struct link_vars * vars,u32 gp_status)5418 static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
5419 struct link_params *params,
5420 struct link_vars *vars,
5421 u32 gp_status)
5422 {
5423 struct bnx2x *bp = params->bp;
5424 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
5425
5426 /* Resolve from gp_status in case of AN complete and not sgmii */
5427 if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
5428 /* Update the advertised flow-controled of LD/LP in AN */
5429 if (phy->req_line_speed == SPEED_AUTO_NEG)
5430 bnx2x_update_adv_fc(phy, params, vars, gp_status);
5431 /* But set the flow-control result as the requested one */
5432 vars->flow_ctrl = phy->req_flow_ctrl;
5433 } else if (phy->req_line_speed != SPEED_AUTO_NEG)
5434 vars->flow_ctrl = params->req_fc_auto_adv;
5435 else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
5436 (!(vars->phy_flags & PHY_SGMII_FLAG))) {
5437 if (bnx2x_direct_parallel_detect_used(phy, params)) {
5438 vars->flow_ctrl = params->req_fc_auto_adv;
5439 return;
5440 }
5441 bnx2x_update_adv_fc(phy, params, vars, gp_status);
5442 }
5443 DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
5444 }
5445
bnx2x_check_fallback_to_cl37(struct bnx2x_phy * phy,struct link_params * params)5446 static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
5447 struct link_params *params)
5448 {
5449 struct bnx2x *bp = params->bp;
5450 u16 rx_status, ustat_val, cl37_fsm_received;
5451 DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
5452 /* Step 1: Make sure signal is detected */
5453 CL22_RD_OVER_CL45(bp, phy,
5454 MDIO_REG_BANK_RX0,
5455 MDIO_RX0_RX_STATUS,
5456 &rx_status);
5457 if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
5458 (MDIO_RX0_RX_STATUS_SIGDET)) {
5459 DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
5460 "rx_status(0x80b0) = 0x%x\n", rx_status);
5461 CL22_WR_OVER_CL45(bp, phy,
5462 MDIO_REG_BANK_CL73_IEEEB0,
5463 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5464 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
5465 return;
5466 }
5467 /* Step 2: Check CL73 state machine */
5468 CL22_RD_OVER_CL45(bp, phy,
5469 MDIO_REG_BANK_CL73_USERB0,
5470 MDIO_CL73_USERB0_CL73_USTAT1,
5471 &ustat_val);
5472 if ((ustat_val &
5473 (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
5474 MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
5475 (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
5476 MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
5477 DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
5478 "ustat_val(0x8371) = 0x%x\n", ustat_val);
5479 return;
5480 }
5481 /* Step 3: Check CL37 Message Pages received to indicate LP
5482 * supports only CL37
5483 */
5484 CL22_RD_OVER_CL45(bp, phy,
5485 MDIO_REG_BANK_REMOTE_PHY,
5486 MDIO_REMOTE_PHY_MISC_RX_STATUS,
5487 &cl37_fsm_received);
5488 if ((cl37_fsm_received &
5489 (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
5490 MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
5491 (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
5492 MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
5493 DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
5494 "misc_rx_status(0x8330) = 0x%x\n",
5495 cl37_fsm_received);
5496 return;
5497 }
5498 /* The combined cl37/cl73 fsm state information indicating that
5499 * we are connected to a device which does not support cl73, but
5500 * does support cl37 BAM. In this case we disable cl73 and
5501 * restart cl37 auto-neg
5502 */
5503
5504 /* Disable CL73 */
5505 CL22_WR_OVER_CL45(bp, phy,
5506 MDIO_REG_BANK_CL73_IEEEB0,
5507 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5508 0);
5509 /* Restart CL37 autoneg */
5510 bnx2x_restart_autoneg(phy, params, 0);
5511 DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
5512 }
5513
bnx2x_xgxs_an_resolve(struct bnx2x_phy * phy,struct link_params * params,struct link_vars * vars,u32 gp_status)5514 static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
5515 struct link_params *params,
5516 struct link_vars *vars,
5517 u32 gp_status)
5518 {
5519 if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
5520 vars->link_status |=
5521 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
5522
5523 if (bnx2x_direct_parallel_detect_used(phy, params))
5524 vars->link_status |=
5525 LINK_STATUS_PARALLEL_DETECTION_USED;
5526 }
bnx2x_get_link_speed_duplex(struct bnx2x_phy * phy,struct link_params * params,struct link_vars * vars,u16 is_link_up,u16 speed_mask,u16 is_duplex)5527 static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
5528 struct link_params *params,
5529 struct link_vars *vars,
5530 u16 is_link_up,
5531 u16 speed_mask,
5532 u16 is_duplex)
5533 {
5534 struct bnx2x *bp = params->bp;
5535 if (phy->req_line_speed == SPEED_AUTO_NEG)
5536 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
5537 if (is_link_up) {
5538 DP(NETIF_MSG_LINK, "phy link up\n");
5539
5540 vars->phy_link_up = 1;
5541 vars->link_status |= LINK_STATUS_LINK_UP;
5542
5543 switch (speed_mask) {
5544 case GP_STATUS_10M:
5545 vars->line_speed = SPEED_10;
5546 if (is_duplex == DUPLEX_FULL)
5547 vars->link_status |= LINK_10TFD;
5548 else
5549 vars->link_status |= LINK_10THD;
5550 break;
5551
5552 case GP_STATUS_100M:
5553 vars->line_speed = SPEED_100;
5554 if (is_duplex == DUPLEX_FULL)
5555 vars->link_status |= LINK_100TXFD;
5556 else
5557 vars->link_status |= LINK_100TXHD;
5558 break;
5559
5560 case GP_STATUS_1G:
5561 case GP_STATUS_1G_KX:
5562 vars->line_speed = SPEED_1000;
5563 if (is_duplex == DUPLEX_FULL)
5564 vars->link_status |= LINK_1000TFD;
5565 else
5566 vars->link_status |= LINK_1000THD;
5567 break;
5568
5569 case GP_STATUS_2_5G:
5570 vars->line_speed = SPEED_2500;
5571 if (is_duplex == DUPLEX_FULL)
5572 vars->link_status |= LINK_2500TFD;
5573 else
5574 vars->link_status |= LINK_2500THD;
5575 break;
5576
5577 case GP_STATUS_5G:
5578 case GP_STATUS_6G:
5579 DP(NETIF_MSG_LINK,
5580 "link speed unsupported gp_status 0x%x\n",
5581 speed_mask);
5582 return -EINVAL;
5583
5584 case GP_STATUS_10G_KX4:
5585 case GP_STATUS_10G_HIG:
5586 case GP_STATUS_10G_CX4:
5587 case GP_STATUS_10G_KR:
5588 case GP_STATUS_10G_SFI:
5589 case GP_STATUS_10G_XFI:
5590 vars->line_speed = SPEED_10000;
5591 vars->link_status |= LINK_10GTFD;
5592 break;
5593 case GP_STATUS_20G_DXGXS:
5594 case GP_STATUS_20G_KR2:
5595 vars->line_speed = SPEED_20000;
5596 vars->link_status |= LINK_20GTFD;
5597 break;
5598 default:
5599 DP(NETIF_MSG_LINK,
5600 "link speed unsupported gp_status 0x%x\n",
5601 speed_mask);
5602 return -EINVAL;
5603 }
5604 } else { /* link_down */
5605 DP(NETIF_MSG_LINK, "phy link down\n");
5606
5607 vars->phy_link_up = 0;
5608
5609 vars->duplex = DUPLEX_FULL;
5610 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
5611 vars->mac_type = MAC_TYPE_NONE;
5612 }
5613 DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
5614 vars->phy_link_up, vars->line_speed);
5615 return 0;
5616 }
5617
bnx2x_link_settings_status(struct bnx2x_phy * phy,struct link_params * params,struct link_vars * vars)5618 static u8 bnx2x_link_settings_status(struct bnx2x_phy *phy,
5619 struct link_params *params,
5620 struct link_vars *vars)
5621 {
5622 struct bnx2x *bp = params->bp;
5623
5624 u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
5625 int rc = 0;
5626
5627 /* Read gp_status */
5628 CL22_RD_OVER_CL45(bp, phy,
5629 MDIO_REG_BANK_GP_STATUS,
5630 MDIO_GP_STATUS_TOP_AN_STATUS1,
5631 &gp_status);
5632 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
5633 duplex = DUPLEX_FULL;
5634 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
5635 link_up = 1;
5636 speed_mask = gp_status & GP_STATUS_SPEED_MASK;
5637 DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
5638 gp_status, link_up, speed_mask);
5639 rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
5640 duplex);
5641 if (rc == -EINVAL)
5642 return rc;
5643
5644 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
5645 if (SINGLE_MEDIA_DIRECT(params)) {
5646 vars->duplex = duplex;
5647 bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
5648 if (phy->req_line_speed == SPEED_AUTO_NEG)
5649 bnx2x_xgxs_an_resolve(phy, params, vars,
5650 gp_status);
5651 }
5652 } else { /* Link_down */
5653 if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
5654 SINGLE_MEDIA_DIRECT(params)) {
5655 /* Check signal is detected */
5656 bnx2x_check_fallback_to_cl37(phy, params);
5657 }
5658 }
5659
5660 /* Read LP advertised speeds*/
5661 if (SINGLE_MEDIA_DIRECT(params) &&
5662 (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)) {
5663 u16 val;
5664
5665 CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB1,
5666 MDIO_CL73_IEEEB1_AN_LP_ADV2, &val);
5667
5668 if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
5669 vars->link_status |=
5670 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
5671 if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
5672 MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
5673 vars->link_status |=
5674 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5675
5676 CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_OVER_1G,
5677 MDIO_OVER_1G_LP_UP1, &val);
5678
5679 if (val & MDIO_OVER_1G_UP1_2_5G)
5680 vars->link_status |=
5681 LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
5682 if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
5683 vars->link_status |=
5684 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5685 }
5686
5687 DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
5688 vars->duplex, vars->flow_ctrl, vars->link_status);
5689 return rc;
5690 }
5691
bnx2x_warpcore_read_status(struct bnx2x_phy * phy,struct link_params * params,struct link_vars * vars)5692 static u8 bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
5693 struct link_params *params,
5694 struct link_vars *vars)
5695 {
5696 struct bnx2x *bp = params->bp;
5697 u8 lane;
5698 u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
5699 int rc = 0;
5700 lane = bnx2x_get_warpcore_lane(phy, params);
5701 /* Read gp_status */
5702 if ((params->loopback_mode) &&
5703 (phy->flags & FLAGS_WC_DUAL_MODE)) {
5704 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5705 MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
5706 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5707 MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
5708 link_up &= 0x1;
5709 } else if ((phy->req_line_speed > SPEED_10000) &&
5710 (phy->supported & SUPPORTED_20000baseMLD2_Full)) {
5711 u16 temp_link_up;
5712 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5713 1, &temp_link_up);
5714 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5715 1, &link_up);
5716 DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
5717 temp_link_up, link_up);
5718 link_up &= (1<<2);
5719 if (link_up)
5720 bnx2x_ext_phy_resolve_fc(phy, params, vars);
5721 } else {
5722 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5723 MDIO_WC_REG_GP2_STATUS_GP_2_1,
5724 &gp_status1);
5725 DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
5726 /* Check for either KR, 1G, or AN up. */
5727 link_up = ((gp_status1 >> 8) |
5728 (gp_status1 >> 12) |
5729 (gp_status1)) &
5730 (1 << lane);
5731 if (phy->supported & SUPPORTED_20000baseKR2_Full) {
5732 u16 an_link;
5733 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
5734 MDIO_AN_REG_STATUS, &an_link);
5735 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
5736 MDIO_AN_REG_STATUS, &an_link);
5737 link_up |= (an_link & (1<<2));
5738 }
5739 if (link_up && SINGLE_MEDIA_DIRECT(params)) {
5740 u16 pd, gp_status4;
5741 if (phy->req_line_speed == SPEED_AUTO_NEG) {
5742 /* Check Autoneg complete */
5743 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5744 MDIO_WC_REG_GP2_STATUS_GP_2_4,
5745 &gp_status4);
5746 if (gp_status4 & ((1<<12)<<lane))
5747 vars->link_status |=
5748 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
5749
5750 /* Check parallel detect used */
5751 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5752 MDIO_WC_REG_PAR_DET_10G_STATUS,
5753 &pd);
5754 if (pd & (1<<15))
5755 vars->link_status |=
5756 LINK_STATUS_PARALLEL_DETECTION_USED;
5757 }
5758 bnx2x_ext_phy_resolve_fc(phy, params, vars);
5759 vars->duplex = duplex;
5760 }
5761 }
5762
5763 if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) &&
5764 SINGLE_MEDIA_DIRECT(params)) {
5765 u16 val;
5766
5767 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
5768 MDIO_AN_REG_LP_AUTO_NEG2, &val);
5769
5770 if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
5771 vars->link_status |=
5772 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
5773 if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
5774 MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
5775 vars->link_status |=
5776 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5777
5778 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5779 MDIO_WC_REG_DIGITAL3_LP_UP1, &val);
5780
5781 if (val & MDIO_OVER_1G_UP1_2_5G)
5782 vars->link_status |=
5783 LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
5784 if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
5785 vars->link_status |=
5786 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5787
5788 }
5789
5790
5791 if (lane < 2) {
5792 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5793 MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
5794 } else {
5795 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5796 MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
5797 }
5798 DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
5799
5800 if ((lane & 1) == 0)
5801 gp_speed <<= 8;
5802 gp_speed &= 0x3f00;
5803 link_up = !!link_up;
5804
5805 rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
5806 duplex);
5807
5808 /* In case of KR link down, start up the recovering procedure */
5809 if ((!link_up) && (phy->media_type == ETH_PHY_KR) &&
5810 (!(phy->flags & FLAGS_WC_DUAL_MODE)))
5811 vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
5812
5813 DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
5814 vars->duplex, vars->flow_ctrl, vars->link_status);
5815 return rc;
5816 }
bnx2x_set_gmii_tx_driver(struct link_params * params)5817 static void bnx2x_set_gmii_tx_driver(struct link_params *params)
5818 {
5819 struct bnx2x *bp = params->bp;
5820 struct bnx2x_phy *phy = ¶ms->phy[INT_PHY];
5821 u16 lp_up2;
5822 u16 tx_driver;
5823 u16 bank;
5824
5825 /* Read precomp */
5826 CL22_RD_OVER_CL45(bp, phy,
5827 MDIO_REG_BANK_OVER_1G,
5828 MDIO_OVER_1G_LP_UP2, &lp_up2);
5829
5830 /* Bits [10:7] at lp_up2, positioned at [15:12] */
5831 lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
5832 MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
5833 MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
5834
5835 if (lp_up2 == 0)
5836 return;
5837
5838 for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
5839 bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
5840 CL22_RD_OVER_CL45(bp, phy,
5841 bank,
5842 MDIO_TX0_TX_DRIVER, &tx_driver);
5843
5844 /* Replace tx_driver bits [15:12] */
5845 if (lp_up2 !=
5846 (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
5847 tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
5848 tx_driver |= lp_up2;
5849 CL22_WR_OVER_CL45(bp, phy,
5850 bank,
5851 MDIO_TX0_TX_DRIVER, tx_driver);
5852 }
5853 }
5854 }
5855
bnx2x_emac_program(struct link_params * params,struct link_vars * vars)5856 static int bnx2x_emac_program(struct link_params *params,
5857 struct link_vars *vars)
5858 {
5859 struct bnx2x *bp = params->bp;
5860 u8 port = params->port;
5861 u16 mode = 0;
5862
5863 DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
5864 bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
5865 EMAC_REG_EMAC_MODE,
5866 (EMAC_MODE_25G_MODE |
5867 EMAC_MODE_PORT_MII_10M |
5868 EMAC_MODE_HALF_DUPLEX));
5869 switch (vars->line_speed) {
5870 case SPEED_10:
5871 mode |= EMAC_MODE_PORT_MII_10M;
5872 break;
5873
5874 case SPEED_100:
5875 mode |= EMAC_MODE_PORT_MII;
5876 break;
5877
5878 case SPEED_1000:
5879 mode |= EMAC_MODE_PORT_GMII;
5880 break;
5881
5882 case SPEED_2500:
5883 mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
5884 break;
5885
5886 default:
5887 /* 10G not valid for EMAC */
5888 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
5889 vars->line_speed);
5890 return -EINVAL;
5891 }
5892
5893 if (vars->duplex == DUPLEX_HALF)
5894 mode |= EMAC_MODE_HALF_DUPLEX;
5895 bnx2x_bits_en(bp,
5896 GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
5897 mode);
5898
5899 bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
5900 return 0;
5901 }
5902
bnx2x_set_preemphasis(struct bnx2x_phy * phy,struct link_params * params)5903 static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
5904 struct link_params *params)
5905 {
5906
5907 u16 bank, i = 0;
5908 struct bnx2x *bp = params->bp;
5909
5910 for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
5911 bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
5912 CL22_WR_OVER_CL45(bp, phy,
5913 bank,
5914 MDIO_RX0_RX_EQ_BOOST,
5915 phy->rx_preemphasis[i]);
5916 }
5917
5918 for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
5919 bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
5920 CL22_WR_OVER_CL45(bp, phy,
5921 bank,
5922 MDIO_TX0_TX_DRIVER,
5923 phy->tx_preemphasis[i]);
5924 }
5925 }
5926
bnx2x_xgxs_config_init(struct bnx2x_phy * phy,struct link_params * params,struct link_vars * vars)5927 static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
5928 struct link_params *params,
5929 struct link_vars *vars)
5930 {
5931 struct bnx2x *bp = params->bp;
5932 u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
5933 (params->loopback_mode == LOOPBACK_XGXS));
5934 if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
5935 if (SINGLE_MEDIA_DIRECT(params) &&
5936 (params->feature_config_flags &
5937 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
5938 bnx2x_set_preemphasis(phy, params);
5939
5940 /* Forced speed requested? */
5941 if (vars->line_speed != SPEED_AUTO_NEG ||
5942 (SINGLE_MEDIA_DIRECT(params) &&
5943 params->loopback_mode == LOOPBACK_EXT)) {
5944 DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
5945
5946 /* Disable autoneg */
5947 bnx2x_set_autoneg(phy, params, vars, 0);
5948
5949 /* Program speed and duplex */
5950 bnx2x_program_serdes(phy, params, vars);
5951
5952 } else { /* AN_mode */
5953 DP(NETIF_MSG_LINK, "not SGMII, AN\n");
5954
5955 /* AN enabled */
5956 bnx2x_set_brcm_cl37_advertisement(phy, params);
5957
5958 /* Program duplex & pause advertisement (for aneg) */
5959 bnx2x_set_ieee_aneg_advertisement(phy, params,
5960 vars->ieee_fc);
5961
5962 /* Enable autoneg */
5963 bnx2x_set_autoneg(phy, params, vars, enable_cl73);
5964
5965 /* Enable and restart AN */
5966 bnx2x_restart_autoneg(phy, params, enable_cl73);
5967 }
5968
5969 } else { /* SGMII mode */
5970 DP(NETIF_MSG_LINK, "SGMII\n");
5971
5972 bnx2x_initialize_sgmii_process(phy, params, vars);
5973 }
5974 }
5975
bnx2x_prepare_xgxs(struct bnx2x_phy * phy,struct link_params * params,struct link_vars * vars)5976 static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
5977 struct link_params *params,
5978 struct link_vars *vars)
5979 {
5980 int rc;
5981 vars->phy_flags |= PHY_XGXS_FLAG;
5982 if ((phy->req_line_speed &&
5983 ((phy->req_line_speed == SPEED_100) ||
5984 (phy->req_line_speed == SPEED_10))) ||
5985 (!phy->req_line_speed &&
5986 (phy->speed_cap_mask >=
5987 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
5988 (phy->speed_cap_mask <
5989 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
5990 (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
5991 vars->phy_flags |= PHY_SGMII_FLAG;
5992 else
5993 vars->phy_flags &= ~PHY_SGMII_FLAG;
5994
5995 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
5996 bnx2x_set_aer_mmd(params, phy);
5997 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
5998 bnx2x_set_master_ln(params, phy);
5999
6000 rc = bnx2x_reset_unicore(params, phy, 0);
6001 /* Reset the SerDes and wait for reset bit return low */
6002 if (rc)
6003 return rc;
6004
6005 bnx2x_set_aer_mmd(params, phy);
6006 /* Setting the masterLn_def again after the reset */
6007 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
6008 bnx2x_set_master_ln(params, phy);
6009 bnx2x_set_swap_lanes(params, phy);
6010 }
6011
6012 return rc;
6013 }
6014
bnx2x_wait_reset_complete(struct bnx2x * bp,struct bnx2x_phy * phy,struct link_params * params)6015 static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
6016 struct bnx2x_phy *phy,
6017 struct link_params *params)
6018 {
6019 u16 cnt, ctrl;
6020 /* Wait for soft reset to get cleared up to 1 sec */
6021 for (cnt = 0; cnt < 1000; cnt++) {
6022 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
6023 bnx2x_cl22_read(bp, phy,
6024 MDIO_PMA_REG_CTRL, &ctrl);
6025 else
6026 bnx2x_cl45_read(bp, phy,
6027 MDIO_PMA_DEVAD,
6028 MDIO_PMA_REG_CTRL, &ctrl);
6029 if (!(ctrl & (1<<15)))
6030 break;
6031 usleep_range(1000, 2000);
6032 }
6033
6034 if (cnt == 1000)
6035 netdev_err(bp->dev, "Warning: PHY was not initialized,"
6036 " Port %d\n",
6037 params->port);
6038 DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
6039 return cnt;
6040 }
6041
bnx2x_link_int_enable(struct link_params * params)6042 static void bnx2x_link_int_enable(struct link_params *params)
6043 {
6044 u8 port = params->port;
6045 u32 mask;
6046 struct bnx2x *bp = params->bp;
6047
6048 /* Setting the status to report on link up for either XGXS or SerDes */
6049 if (CHIP_IS_E3(bp)) {
6050 mask = NIG_MASK_XGXS0_LINK_STATUS;
6051 if (!(SINGLE_MEDIA_DIRECT(params)))
6052 mask |= NIG_MASK_MI_INT;
6053 } else if (params->switch_cfg == SWITCH_CFG_10G) {
6054 mask = (NIG_MASK_XGXS0_LINK10G |
6055 NIG_MASK_XGXS0_LINK_STATUS);
6056 DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
6057 if (!(SINGLE_MEDIA_DIRECT(params)) &&
6058 params->phy[INT_PHY].type !=
6059 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
6060 mask |= NIG_MASK_MI_INT;
6061 DP(NETIF_MSG_LINK, "enabled external phy int\n");
6062 }
6063
6064 } else { /* SerDes */
6065 mask = NIG_MASK_SERDES0_LINK_STATUS;
6066 DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
6067 if (!(SINGLE_MEDIA_DIRECT(params)) &&
6068 params->phy[INT_PHY].type !=
6069 PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
6070 mask |= NIG_MASK_MI_INT;
6071 DP(NETIF_MSG_LINK, "enabled external phy int\n");
6072 }
6073 }
6074 bnx2x_bits_en(bp,
6075 NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
6076 mask);
6077
6078 DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
6079 (params->switch_cfg == SWITCH_CFG_10G),
6080 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
6081 DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
6082 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
6083 REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
6084 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
6085 DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
6086 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
6087 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
6088 }
6089
bnx2x_rearm_latch_signal(struct bnx2x * bp,u8 port,u8 exp_mi_int)6090 static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
6091 u8 exp_mi_int)
6092 {
6093 u32 latch_status = 0;
6094
6095 /* Disable the MI INT ( external phy int ) by writing 1 to the
6096 * status register. Link down indication is high-active-signal,
6097 * so in this case we need to write the status to clear the XOR
6098 */
6099 /* Read Latched signals */
6100 latch_status = REG_RD(bp,
6101 NIG_REG_LATCH_STATUS_0 + port*8);
6102 DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
6103 /* Handle only those with latched-signal=up.*/
6104 if (exp_mi_int)
6105 bnx2x_bits_en(bp,
6106 NIG_REG_STATUS_INTERRUPT_PORT0
6107 + port*4,
6108 NIG_STATUS_EMAC0_MI_INT);
6109 else
6110 bnx2x_bits_dis(bp,
6111 NIG_REG_STATUS_INTERRUPT_PORT0
6112 + port*4,
6113 NIG_STATUS_EMAC0_MI_INT);
6114
6115 if (latch_status & 1) {
6116
6117 /* For all latched-signal=up : Re-Arm Latch signals */
6118 REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
6119 (latch_status & 0xfffe) | (latch_status & 1));
6120 }
6121 /* For all latched-signal=up,Write original_signal to status */
6122 }
6123
bnx2x_link_int_ack(struct link_params * params,struct link_vars * vars,u8 is_10g_plus)6124 static void bnx2x_link_int_ack(struct link_params *params,
6125 struct link_vars *vars, u8 is_10g_plus)
6126 {
6127 struct bnx2x *bp = params->bp;
6128 u8 port = params->port;
6129 u32 mask;
6130 /* First reset all status we assume only one line will be
6131 * change at a time
6132 */
6133 bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
6134 (NIG_STATUS_XGXS0_LINK10G |
6135 NIG_STATUS_XGXS0_LINK_STATUS |
6136 NIG_STATUS_SERDES0_LINK_STATUS));
6137 if (vars->phy_link_up) {
6138 if (USES_WARPCORE(bp))
6139 mask = NIG_STATUS_XGXS0_LINK_STATUS;
6140 else {
6141 if (is_10g_plus)
6142 mask = NIG_STATUS_XGXS0_LINK10G;
6143 else if (params->switch_cfg == SWITCH_CFG_10G) {
6144 /* Disable the link interrupt by writing 1 to
6145 * the relevant lane in the status register
6146 */
6147 u32 ser_lane =
6148 ((params->lane_config &
6149 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
6150 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
6151 mask = ((1 << ser_lane) <<
6152 NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
6153 } else
6154 mask = NIG_STATUS_SERDES0_LINK_STATUS;
6155 }
6156 DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
6157 mask);
6158 bnx2x_bits_en(bp,
6159 NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
6160 mask);
6161 }
6162 }
6163
bnx2x_null_format_ver(u32 spirom_ver,u8 * str,u16 * len)6164 static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
6165 {
6166 str[0] = '\0';
6167 (*len)--;
6168 return 0;
6169 }
6170
bnx2x_format_ver(u32 num,u8 * str,u16 * len)6171 static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
6172 {
6173 u16 ret;
6174
6175 if (*len < 10) {
6176 /* Need more than 10chars for this format */
6177 bnx2x_null_format_ver(num, str, len);
6178 return -EINVAL;
6179 }
6180
6181 ret = scnprintf(str, *len, "%x.%x", (num >> 16) & 0xFFFF,
6182 num & 0xFFFF);
6183 *len -= ret;
6184 return 0;
6185 }
6186
bnx2x_3_seq_format_ver(u32 num,u8 * str,u16 * len)6187 static int bnx2x_3_seq_format_ver(u32 num, u8 *str, u16 *len)
6188 {
6189 u16 ret;
6190
6191 if (*len < 10) {
6192 /* Need more than 10chars for this format */
6193 bnx2x_null_format_ver(num, str, len);
6194 return -EINVAL;
6195 }
6196
6197 ret = scnprintf(str, *len, "%x.%x.%x", (num >> 16) & 0xFF,
6198 (num >> 8) & 0xFF, num & 0xFF);
6199 *len -= ret;
6200 return 0;
6201 }
6202
bnx2x_get_ext_phy_fw_version(struct link_params * params,u8 * version,u16 len)6203 int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 *version,
6204 u16 len)
6205 {
6206 struct bnx2x *bp;
6207 u32 spirom_ver = 0;
6208 int status = 0;
6209 u8 *ver_p = version;
6210 u16 remain_len = len;
6211 if (version == NULL || params == NULL)
6212 return -EINVAL;
6213 bp = params->bp;
6214
6215 /* Extract first external phy*/
6216 version[0] = '\0';
6217 spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
6218
6219 if (params->phy[EXT_PHY1].format_fw_ver) {
6220 status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
6221 ver_p,
6222 &remain_len);
6223 ver_p += (len - remain_len);
6224 }
6225 if ((params->num_phys == MAX_PHYS) &&
6226 (params->phy[EXT_PHY2].ver_addr != 0)) {
6227 spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
6228 if (params->phy[EXT_PHY2].format_fw_ver) {
6229 *ver_p = '/';
6230 ver_p++;
6231 remain_len--;
6232 status |= params->phy[EXT_PHY2].format_fw_ver(
6233 spirom_ver,
6234 ver_p,
6235 &remain_len);
6236 ver_p = version + (len - remain_len);
6237 }
6238 }
6239 *ver_p = '\0';
6240 return status;
6241 }
6242
bnx2x_set_xgxs_loopback(struct bnx2x_phy * phy,struct link_params * params)6243 static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
6244 struct link_params *params)
6245 {
6246 u8 port = params->port;
6247 struct bnx2x *bp = params->bp;
6248
6249 if (phy->req_line_speed != SPEED_1000) {
6250 u32 md_devad = 0;
6251
6252 DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
6253
6254 if (!CHIP_IS_E3(bp)) {
6255 /* Change the uni_phy_addr in the nig */
6256 md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
6257 port*0x18));
6258
6259 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
6260 0x5);
6261 }
6262
6263 bnx2x_cl45_write(bp, phy,
6264 5,
6265 (MDIO_REG_BANK_AER_BLOCK +
6266 (MDIO_AER_BLOCK_AER_REG & 0xf)),
6267 0x2800);
6268
6269 bnx2x_cl45_write(bp, phy,
6270 5,
6271 (MDIO_REG_BANK_CL73_IEEEB0 +
6272 (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
6273 0x6041);
6274 msleep(200);
6275 /* Set aer mmd back */
6276 bnx2x_set_aer_mmd(params, phy);
6277
6278 if (!CHIP_IS_E3(bp)) {
6279 /* And md_devad */
6280 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
6281 md_devad);
6282 }
6283 } else {
6284 u16 mii_ctrl;
6285 DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
6286 bnx2x_cl45_read(bp, phy, 5,
6287 (MDIO_REG_BANK_COMBO_IEEE0 +
6288 (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
6289 &mii_ctrl);
6290 bnx2x_cl45_write(bp, phy, 5,
6291 (MDIO_REG_BANK_COMBO_IEEE0 +
6292 (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
6293 mii_ctrl |
6294 MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
6295 }
6296 }
6297
bnx2x_set_led(struct link_params * params,struct link_vars * vars,u8 mode,u32 speed)6298 int bnx2x_set_led(struct link_params *params,
6299 struct link_vars *vars, u8 mode, u32 speed)
6300 {
6301 u8 port = params->port;
6302 u16 hw_led_mode = params->hw_led_mode;
6303 int rc = 0;
6304 u8 phy_idx;
6305 u32 tmp;
6306 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
6307 struct bnx2x *bp = params->bp;
6308 DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
6309 DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
6310 speed, hw_led_mode);
6311 /* In case */
6312 for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
6313 if (params->phy[phy_idx].set_link_led) {
6314 params->phy[phy_idx].set_link_led(
6315 ¶ms->phy[phy_idx], params, mode);
6316 }
6317 }
6318
6319 switch (mode) {
6320 case LED_MODE_FRONT_PANEL_OFF:
6321 case LED_MODE_OFF:
6322 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
6323 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
6324 SHARED_HW_CFG_LED_MAC1);
6325
6326 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6327 if (params->phy[EXT_PHY1].type ==
6328 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
6329 tmp &= ~(EMAC_LED_1000MB_OVERRIDE |
6330 EMAC_LED_100MB_OVERRIDE |
6331 EMAC_LED_10MB_OVERRIDE);
6332 else
6333 tmp |= EMAC_LED_OVERRIDE;
6334
6335 EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp);
6336 break;
6337
6338 case LED_MODE_OPER:
6339 /* For all other phys, OPER mode is same as ON, so in case
6340 * link is down, do nothing
6341 */
6342 if (!vars->link_up)
6343 break;
6344 fallthrough;
6345 case LED_MODE_ON:
6346 if (((params->phy[EXT_PHY1].type ==
6347 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
6348 (params->phy[EXT_PHY1].type ==
6349 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
6350 CHIP_IS_E2(bp) && params->num_phys == 2) {
6351 /* This is a work-around for E2+8727 Configurations */
6352 if (mode == LED_MODE_ON ||
6353 speed == SPEED_10000){
6354 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
6355 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
6356
6357 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6358 EMAC_WR(bp, EMAC_REG_EMAC_LED,
6359 (tmp | EMAC_LED_OVERRIDE));
6360 /* Return here without enabling traffic
6361 * LED blink and setting rate in ON mode.
6362 * In oper mode, enabling LED blink
6363 * and setting rate is needed.
6364 */
6365 if (mode == LED_MODE_ON)
6366 return rc;
6367 }
6368 } else if (SINGLE_MEDIA_DIRECT(params)) {
6369 /* This is a work-around for HW issue found when link
6370 * is up in CL73
6371 */
6372 if ((!CHIP_IS_E3(bp)) ||
6373 (CHIP_IS_E3(bp) &&
6374 mode == LED_MODE_ON))
6375 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
6376
6377 if (CHIP_IS_E1x(bp) ||
6378 CHIP_IS_E2(bp) ||
6379 (mode == LED_MODE_ON))
6380 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
6381 else
6382 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
6383 hw_led_mode);
6384 } else if ((params->phy[EXT_PHY1].type ==
6385 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
6386 (mode == LED_MODE_ON)) {
6387 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
6388 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6389 EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp |
6390 EMAC_LED_OVERRIDE | EMAC_LED_1000MB_OVERRIDE);
6391 /* Break here; otherwise, it'll disable the
6392 * intended override.
6393 */
6394 break;
6395 } else {
6396 u32 nig_led_mode = ((params->hw_led_mode <<
6397 SHARED_HW_CFG_LED_MODE_SHIFT) ==
6398 SHARED_HW_CFG_LED_EXTPHY2) ?
6399 (SHARED_HW_CFG_LED_PHY1 >>
6400 SHARED_HW_CFG_LED_MODE_SHIFT) : hw_led_mode;
6401 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
6402 nig_led_mode);
6403 }
6404
6405 REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
6406 /* Set blinking rate to ~15.9Hz */
6407 if (CHIP_IS_E3(bp))
6408 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
6409 LED_BLINK_RATE_VAL_E3);
6410 else
6411 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
6412 LED_BLINK_RATE_VAL_E1X_E2);
6413 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
6414 port*4, 1);
6415 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6416 EMAC_WR(bp, EMAC_REG_EMAC_LED,
6417 (tmp & (~EMAC_LED_OVERRIDE)));
6418
6419 if (CHIP_IS_E1(bp) &&
6420 ((speed == SPEED_2500) ||
6421 (speed == SPEED_1000) ||
6422 (speed == SPEED_100) ||
6423 (speed == SPEED_10))) {
6424 /* For speeds less than 10G LED scheme is different */
6425 REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
6426 + port*4, 1);
6427 REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
6428 port*4, 0);
6429 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
6430 port*4, 1);
6431 }
6432 break;
6433
6434 default:
6435 rc = -EINVAL;
6436 DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
6437 mode);
6438 break;
6439 }
6440 return rc;
6441
6442 }
6443
6444 /* This function comes to reflect the actual link state read DIRECTLY from the
6445 * HW
6446 */
bnx2x_test_link(struct link_params * params,struct link_vars * vars,u8 is_serdes)6447 int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
6448 u8 is_serdes)
6449 {
6450 struct bnx2x *bp = params->bp;
6451 u16 gp_status = 0, phy_index = 0;
6452 u8 ext_phy_link_up = 0, serdes_phy_type;
6453 struct link_vars temp_vars;
6454 struct bnx2x_phy *int_phy = ¶ms->phy[INT_PHY];
6455
6456 if (CHIP_IS_E3(bp)) {
6457 u16 link_up;
6458 if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
6459 > SPEED_10000) {
6460 /* Check 20G link */
6461 bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
6462 1, &link_up);
6463 bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
6464 1, &link_up);
6465 link_up &= (1<<2);
6466 } else {
6467 /* Check 10G link and below*/
6468 u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
6469 bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
6470 MDIO_WC_REG_GP2_STATUS_GP_2_1,
6471 &gp_status);
6472 gp_status = ((gp_status >> 8) & 0xf) |
6473 ((gp_status >> 12) & 0xf);
6474 link_up = gp_status & (1 << lane);
6475 }
6476 if (!link_up)
6477 return -ESRCH;
6478 } else {
6479 CL22_RD_OVER_CL45(bp, int_phy,
6480 MDIO_REG_BANK_GP_STATUS,
6481 MDIO_GP_STATUS_TOP_AN_STATUS1,
6482 &gp_status);
6483 /* Link is up only if both local phy and external phy are up */
6484 if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
6485 return -ESRCH;
6486 }
6487 /* In XGXS loopback mode, do not check external PHY */
6488 if (params->loopback_mode == LOOPBACK_XGXS)
6489 return 0;
6490
6491 switch (params->num_phys) {
6492 case 1:
6493 /* No external PHY */
6494 return 0;
6495 case 2:
6496 ext_phy_link_up = params->phy[EXT_PHY1].read_status(
6497 ¶ms->phy[EXT_PHY1],
6498 params, &temp_vars);
6499 break;
6500 case 3: /* Dual Media */
6501 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6502 phy_index++) {
6503 serdes_phy_type = ((params->phy[phy_index].media_type ==
6504 ETH_PHY_SFPP_10G_FIBER) ||
6505 (params->phy[phy_index].media_type ==
6506 ETH_PHY_SFP_1G_FIBER) ||
6507 (params->phy[phy_index].media_type ==
6508 ETH_PHY_XFP_FIBER) ||
6509 (params->phy[phy_index].media_type ==
6510 ETH_PHY_DA_TWINAX));
6511
6512 if (is_serdes != serdes_phy_type)
6513 continue;
6514 if (params->phy[phy_index].read_status) {
6515 ext_phy_link_up |=
6516 params->phy[phy_index].read_status(
6517 ¶ms->phy[phy_index],
6518 params, &temp_vars);
6519 }
6520 }
6521 break;
6522 }
6523 if (ext_phy_link_up)
6524 return 0;
6525 return -ESRCH;
6526 }
6527
bnx2x_link_initialize(struct link_params * params,struct link_vars * vars)6528 static int bnx2x_link_initialize(struct link_params *params,
6529 struct link_vars *vars)
6530 {
6531 u8 phy_index, non_ext_phy;
6532 struct bnx2x *bp = params->bp;
6533 /* In case of external phy existence, the line speed would be the
6534 * line speed linked up by the external phy. In case it is direct
6535 * only, then the line_speed during initialization will be
6536 * equal to the req_line_speed
6537 */
6538 vars->line_speed = params->phy[INT_PHY].req_line_speed;
6539
6540 /* Initialize the internal phy in case this is a direct board
6541 * (no external phys), or this board has external phy which requires
6542 * to first.
6543 */
6544 if (!USES_WARPCORE(bp))
6545 bnx2x_prepare_xgxs(¶ms->phy[INT_PHY], params, vars);
6546 /* init ext phy and enable link state int */
6547 non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
6548 (params->loopback_mode == LOOPBACK_XGXS));
6549
6550 if (non_ext_phy ||
6551 (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
6552 (params->loopback_mode == LOOPBACK_EXT_PHY)) {
6553 struct bnx2x_phy *phy = ¶ms->phy[INT_PHY];
6554 if (vars->line_speed == SPEED_AUTO_NEG &&
6555 (CHIP_IS_E1x(bp) ||
6556 CHIP_IS_E2(bp)))
6557 bnx2x_set_parallel_detection(phy, params);
6558 if (params->phy[INT_PHY].config_init)
6559 params->phy[INT_PHY].config_init(phy, params, vars);
6560 }
6561
6562 /* Re-read this value in case it was changed inside config_init due to
6563 * limitations of optic module
6564 */
6565 vars->line_speed = params->phy[INT_PHY].req_line_speed;
6566
6567 /* Init external phy*/
6568 if (non_ext_phy) {
6569 if (params->phy[INT_PHY].supported &
6570 SUPPORTED_FIBRE)
6571 vars->link_status |= LINK_STATUS_SERDES_LINK;
6572 } else {
6573 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6574 phy_index++) {
6575 /* No need to initialize second phy in case of first
6576 * phy only selection. In case of second phy, we do
6577 * need to initialize the first phy, since they are
6578 * connected.
6579 */
6580 if (params->phy[phy_index].supported &
6581 SUPPORTED_FIBRE)
6582 vars->link_status |= LINK_STATUS_SERDES_LINK;
6583
6584 if (phy_index == EXT_PHY2 &&
6585 (bnx2x_phy_selection(params) ==
6586 PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
6587 DP(NETIF_MSG_LINK,
6588 "Not initializing second phy\n");
6589 continue;
6590 }
6591 params->phy[phy_index].config_init(
6592 ¶ms->phy[phy_index],
6593 params, vars);
6594 }
6595 }
6596 /* Reset the interrupt indication after phy was initialized */
6597 bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
6598 params->port*4,
6599 (NIG_STATUS_XGXS0_LINK10G |
6600 NIG_STATUS_XGXS0_LINK_STATUS |
6601 NIG_STATUS_SERDES0_LINK_STATUS |
6602 NIG_MASK_MI_INT));
6603 return 0;
6604 }
6605
bnx2x_int_link_reset(struct bnx2x_phy * phy,struct link_params * params)6606 static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
6607 struct link_params *params)
6608 {
6609 /* Reset the SerDes/XGXS */
6610 REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
6611 (0x1ff << (params->port*16)));
6612 }
6613
bnx2x_common_ext_link_reset(struct bnx2x_phy * phy,struct link_params * params)6614 static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
6615 struct link_params *params)
6616 {
6617 struct bnx2x *bp = params->bp;
6618 u8 gpio_port;
6619 /* HW reset */
6620 if (CHIP_IS_E2(bp))
6621 gpio_port = BP_PATH(bp);
6622 else
6623 gpio_port = params->port;
6624 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
6625 MISC_REGISTERS_GPIO_OUTPUT_LOW,
6626 gpio_port);
6627 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
6628 MISC_REGISTERS_GPIO_OUTPUT_LOW,
6629 gpio_port);
6630 DP(NETIF_MSG_LINK, "reset external PHY\n");
6631 }
6632
bnx2x_update_link_down(struct link_params * params,struct link_vars * vars)6633 static int bnx2x_update_link_down(struct link_params *params,
6634 struct link_vars *vars)
6635 {
6636 struct bnx2x *bp = params->bp;
6637 u8 port = params->port;
6638
6639 DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
6640 bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
6641 vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
6642 /* Indicate no mac active */
6643 vars->mac_type = MAC_TYPE_NONE;
6644
6645 /* Update shared memory */
6646 vars->link_status &= ~LINK_UPDATE_MASK;
6647 vars->line_speed = 0;
6648 bnx2x_update_mng(params, vars->link_status);
6649
6650 /* Activate nig drain */
6651 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
6652
6653 /* Disable emac */
6654 if (!CHIP_IS_E3(bp))
6655 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
6656
6657 usleep_range(10000, 20000);
6658 /* Reset BigMac/Xmac */
6659 if (CHIP_IS_E1x(bp) ||
6660 CHIP_IS_E2(bp))
6661 bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
6662
6663 if (CHIP_IS_E3(bp)) {
6664 /* Prevent LPI Generation by chip */
6665 REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2),
6666 0);
6667 REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 + (params->port << 2),
6668 0);
6669 vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
6670 SHMEM_EEE_ACTIVE_BIT);
6671
6672 bnx2x_update_mng_eee(params, vars->eee_status);
6673 bnx2x_set_xmac_rxtx(params, 0);
6674 bnx2x_set_umac_rxtx(params, 0);
6675 }
6676
6677 return 0;
6678 }
6679
bnx2x_update_link_up(struct link_params * params,struct link_vars * vars,u8 link_10g)6680 static int bnx2x_update_link_up(struct link_params *params,
6681 struct link_vars *vars,
6682 u8 link_10g)
6683 {
6684 struct bnx2x *bp = params->bp;
6685 u8 phy_idx, port = params->port;
6686 int rc = 0;
6687
6688 vars->link_status |= (LINK_STATUS_LINK_UP |
6689 LINK_STATUS_PHYSICAL_LINK_FLAG);
6690 vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
6691
6692 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
6693 vars->link_status |=
6694 LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
6695
6696 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
6697 vars->link_status |=
6698 LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
6699 if (USES_WARPCORE(bp)) {
6700 if (link_10g) {
6701 if (bnx2x_xmac_enable(params, vars, 0) ==
6702 -ESRCH) {
6703 DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
6704 vars->link_up = 0;
6705 vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
6706 vars->link_status &= ~LINK_STATUS_LINK_UP;
6707 }
6708 } else
6709 bnx2x_umac_enable(params, vars, 0);
6710 bnx2x_set_led(params, vars,
6711 LED_MODE_OPER, vars->line_speed);
6712
6713 if ((vars->eee_status & SHMEM_EEE_ACTIVE_BIT) &&
6714 (vars->eee_status & SHMEM_EEE_LPI_REQUESTED_BIT)) {
6715 DP(NETIF_MSG_LINK, "Enabling LPI assertion\n");
6716 REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 +
6717 (params->port << 2), 1);
6718 REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 1);
6719 REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 +
6720 (params->port << 2), 0xfc20);
6721 }
6722 }
6723 if ((CHIP_IS_E1x(bp) ||
6724 CHIP_IS_E2(bp))) {
6725 if (link_10g) {
6726 if (bnx2x_bmac_enable(params, vars, 0, 1) ==
6727 -ESRCH) {
6728 DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
6729 vars->link_up = 0;
6730 vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
6731 vars->link_status &= ~LINK_STATUS_LINK_UP;
6732 }
6733
6734 bnx2x_set_led(params, vars,
6735 LED_MODE_OPER, SPEED_10000);
6736 } else {
6737 rc = bnx2x_emac_program(params, vars);
6738 bnx2x_emac_enable(params, vars, 0);
6739
6740 /* AN complete? */
6741 if ((vars->link_status &
6742 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
6743 && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
6744 SINGLE_MEDIA_DIRECT(params))
6745 bnx2x_set_gmii_tx_driver(params);
6746 }
6747 }
6748
6749 /* PBF - link up */
6750 if (CHIP_IS_E1x(bp))
6751 rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
6752 vars->line_speed);
6753
6754 /* Disable drain */
6755 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
6756
6757 /* Update shared memory */
6758 bnx2x_update_mng(params, vars->link_status);
6759 bnx2x_update_mng_eee(params, vars->eee_status);
6760 /* Check remote fault */
6761 for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
6762 if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
6763 bnx2x_check_half_open_conn(params, vars, 0);
6764 break;
6765 }
6766 }
6767 msleep(20);
6768 return rc;
6769 }
6770
bnx2x_chng_link_count(struct link_params * params,bool clear)6771 static void bnx2x_chng_link_count(struct link_params *params, bool clear)
6772 {
6773 struct bnx2x *bp = params->bp;
6774 u32 addr, val;
6775
6776 /* Verify the link_change_count is supported by the MFW */
6777 if (!(SHMEM2_HAS(bp, link_change_count)))
6778 return;
6779
6780 addr = params->shmem2_base +
6781 offsetof(struct shmem2_region, link_change_count[params->port]);
6782 if (clear)
6783 val = 0;
6784 else
6785 val = REG_RD(bp, addr) + 1;
6786 REG_WR(bp, addr, val);
6787 }
6788
6789 /* The bnx2x_link_update function should be called upon link
6790 * interrupt.
6791 * Link is considered up as follows:
6792 * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
6793 * to be up
6794 * - SINGLE_MEDIA - The link between the 577xx and the external
6795 * phy (XGXS) need to up as well as the external link of the
6796 * phy (PHY_EXT1)
6797 * - DUAL_MEDIA - The link between the 577xx and the first
6798 * external phy needs to be up, and at least one of the 2
6799 * external phy link must be up.
6800 */
bnx2x_link_update(struct link_params * params,struct link_vars * vars)6801 int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
6802 {
6803 struct bnx2x *bp = params->bp;
6804 struct link_vars phy_vars[MAX_PHYS];
6805 u8 port = params->port;
6806 u8 link_10g_plus, phy_index;
6807 u32 prev_link_status = vars->link_status;
6808 u8 ext_phy_link_up = 0, cur_link_up;
6809 int rc = 0;
6810 u8 is_mi_int = 0;
6811 u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
6812 u8 active_external_phy = INT_PHY;
6813 vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
6814 vars->link_status &= ~LINK_UPDATE_MASK;
6815 for (phy_index = INT_PHY; phy_index < params->num_phys;
6816 phy_index++) {
6817 phy_vars[phy_index].flow_ctrl = 0;
6818 phy_vars[phy_index].link_status = 0;
6819 phy_vars[phy_index].line_speed = 0;
6820 phy_vars[phy_index].duplex = DUPLEX_FULL;
6821 phy_vars[phy_index].phy_link_up = 0;
6822 phy_vars[phy_index].link_up = 0;
6823 phy_vars[phy_index].fault_detected = 0;
6824 /* different consideration, since vars holds inner state */
6825 phy_vars[phy_index].eee_status = vars->eee_status;
6826 }
6827
6828 if (USES_WARPCORE(bp))
6829 bnx2x_set_aer_mmd(params, ¶ms->phy[INT_PHY]);
6830
6831 DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
6832 port, (vars->phy_flags & PHY_XGXS_FLAG),
6833 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
6834
6835 is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
6836 port*0x18) > 0);
6837 DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
6838 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
6839 is_mi_int,
6840 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
6841
6842 DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
6843 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
6844 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
6845
6846 /* Disable emac */
6847 if (!CHIP_IS_E3(bp))
6848 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
6849
6850 /* Step 1:
6851 * Check external link change only for external phys, and apply
6852 * priority selection between them in case the link on both phys
6853 * is up. Note that instead of the common vars, a temporary
6854 * vars argument is used since each phy may have different link/
6855 * speed/duplex result
6856 */
6857 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6858 phy_index++) {
6859 struct bnx2x_phy *phy = ¶ms->phy[phy_index];
6860 if (!phy->read_status)
6861 continue;
6862 /* Read link status and params of this ext phy */
6863 cur_link_up = phy->read_status(phy, params,
6864 &phy_vars[phy_index]);
6865 if (cur_link_up) {
6866 DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
6867 phy_index);
6868 } else {
6869 DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
6870 phy_index);
6871 continue;
6872 }
6873
6874 if (!ext_phy_link_up) {
6875 ext_phy_link_up = 1;
6876 active_external_phy = phy_index;
6877 } else {
6878 switch (bnx2x_phy_selection(params)) {
6879 case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
6880 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
6881 /* In this option, the first PHY makes sure to pass the
6882 * traffic through itself only.
6883 * It's not clear how to reset the link on the second
6884 * phy.
6885 */
6886 active_external_phy = EXT_PHY1;
6887 break;
6888 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
6889 /* In this option, the first PHY makes sure to pass the
6890 * traffic through the second PHY.
6891 */
6892 active_external_phy = EXT_PHY2;
6893 break;
6894 default:
6895 /* Link indication on both PHYs with the following cases
6896 * is invalid:
6897 * - FIRST_PHY means that second phy wasn't initialized,
6898 * hence its link is expected to be down
6899 * - SECOND_PHY means that first phy should not be able
6900 * to link up by itself (using configuration)
6901 * - DEFAULT should be overridden during initialization
6902 */
6903 DP(NETIF_MSG_LINK, "Invalid link indication"
6904 "mpc=0x%x. DISABLING LINK !!!\n",
6905 params->multi_phy_config);
6906 ext_phy_link_up = 0;
6907 break;
6908 }
6909 }
6910 }
6911 prev_line_speed = vars->line_speed;
6912 /* Step 2:
6913 * Read the status of the internal phy. In case of
6914 * DIRECT_SINGLE_MEDIA board, this link is the external link,
6915 * otherwise this is the link between the 577xx and the first
6916 * external phy
6917 */
6918 if (params->phy[INT_PHY].read_status)
6919 params->phy[INT_PHY].read_status(
6920 ¶ms->phy[INT_PHY],
6921 params, vars);
6922 /* The INT_PHY flow control reside in the vars. This include the
6923 * case where the speed or flow control are not set to AUTO.
6924 * Otherwise, the active external phy flow control result is set
6925 * to the vars. The ext_phy_line_speed is needed to check if the
6926 * speed is different between the internal phy and external phy.
6927 * This case may be result of intermediate link speed change.
6928 */
6929 if (active_external_phy > INT_PHY) {
6930 vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
6931 /* Link speed is taken from the XGXS. AN and FC result from
6932 * the external phy.
6933 */
6934 vars->link_status |= phy_vars[active_external_phy].link_status;
6935
6936 /* if active_external_phy is first PHY and link is up - disable
6937 * disable TX on second external PHY
6938 */
6939 if (active_external_phy == EXT_PHY1) {
6940 if (params->phy[EXT_PHY2].phy_specific_func) {
6941 DP(NETIF_MSG_LINK,
6942 "Disabling TX on EXT_PHY2\n");
6943 params->phy[EXT_PHY2].phy_specific_func(
6944 ¶ms->phy[EXT_PHY2],
6945 params, DISABLE_TX);
6946 }
6947 }
6948
6949 ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
6950 vars->duplex = phy_vars[active_external_phy].duplex;
6951 if (params->phy[active_external_phy].supported &
6952 SUPPORTED_FIBRE)
6953 vars->link_status |= LINK_STATUS_SERDES_LINK;
6954 else
6955 vars->link_status &= ~LINK_STATUS_SERDES_LINK;
6956
6957 vars->eee_status = phy_vars[active_external_phy].eee_status;
6958
6959 DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
6960 active_external_phy);
6961 }
6962
6963 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6964 phy_index++) {
6965 if (params->phy[phy_index].flags &
6966 FLAGS_REARM_LATCH_SIGNAL) {
6967 bnx2x_rearm_latch_signal(bp, port,
6968 phy_index ==
6969 active_external_phy);
6970 break;
6971 }
6972 }
6973 DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
6974 " ext_phy_line_speed = %d\n", vars->flow_ctrl,
6975 vars->link_status, ext_phy_line_speed);
6976 /* Upon link speed change set the NIG into drain mode. Comes to
6977 * deals with possible FIFO glitch due to clk change when speed
6978 * is decreased without link down indicator
6979 */
6980
6981 if (vars->phy_link_up) {
6982 if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
6983 (ext_phy_line_speed != vars->line_speed)) {
6984 DP(NETIF_MSG_LINK, "Internal link speed %d is"
6985 " different than the external"
6986 " link speed %d\n", vars->line_speed,
6987 ext_phy_line_speed);
6988 vars->phy_link_up = 0;
6989 } else if (prev_line_speed != vars->line_speed) {
6990 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
6991 0);
6992 usleep_range(1000, 2000);
6993 }
6994 }
6995
6996 /* Anything 10 and over uses the bmac */
6997 link_10g_plus = (vars->line_speed >= SPEED_10000);
6998
6999 bnx2x_link_int_ack(params, vars, link_10g_plus);
7000
7001 /* In case external phy link is up, and internal link is down
7002 * (not initialized yet probably after link initialization, it
7003 * needs to be initialized.
7004 * Note that after link down-up as result of cable plug, the xgxs
7005 * link would probably become up again without the need
7006 * initialize it
7007 */
7008 if (!(SINGLE_MEDIA_DIRECT(params))) {
7009 DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
7010 " init_preceding = %d\n", ext_phy_link_up,
7011 vars->phy_link_up,
7012 params->phy[EXT_PHY1].flags &
7013 FLAGS_INIT_XGXS_FIRST);
7014 if (!(params->phy[EXT_PHY1].flags &
7015 FLAGS_INIT_XGXS_FIRST)
7016 && ext_phy_link_up && !vars->phy_link_up) {
7017 vars->line_speed = ext_phy_line_speed;
7018 if (vars->line_speed < SPEED_1000)
7019 vars->phy_flags |= PHY_SGMII_FLAG;
7020 else
7021 vars->phy_flags &= ~PHY_SGMII_FLAG;
7022
7023 if (params->phy[INT_PHY].config_init)
7024 params->phy[INT_PHY].config_init(
7025 ¶ms->phy[INT_PHY], params,
7026 vars);
7027 }
7028 }
7029 /* Link is up only if both local phy and external phy (in case of
7030 * non-direct board) are up and no fault detected on active PHY.
7031 */
7032 vars->link_up = (vars->phy_link_up &&
7033 (ext_phy_link_up ||
7034 SINGLE_MEDIA_DIRECT(params)) &&
7035 (phy_vars[active_external_phy].fault_detected == 0));
7036
7037 /* Update the PFC configuration in case it was changed */
7038 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
7039 vars->link_status |= LINK_STATUS_PFC_ENABLED;
7040 else
7041 vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
7042
7043 if (vars->link_up)
7044 rc = bnx2x_update_link_up(params, vars, link_10g_plus);
7045 else
7046 rc = bnx2x_update_link_down(params, vars);
7047
7048 if ((prev_link_status ^ vars->link_status) & LINK_STATUS_LINK_UP)
7049 bnx2x_chng_link_count(params, false);
7050
7051 /* Update MCP link status was changed */
7052 if (params->feature_config_flags & FEATURE_CONFIG_BC_SUPPORTS_AFEX)
7053 bnx2x_fw_command(bp, DRV_MSG_CODE_LINK_STATUS_CHANGED, 0);
7054
7055 return rc;
7056 }
7057
7058 /*****************************************************************************/
7059 /* External Phy section */
7060 /*****************************************************************************/
bnx2x_ext_phy_hw_reset(struct bnx2x * bp,u8 port)7061 void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
7062 {
7063 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
7064 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
7065 usleep_range(1000, 2000);
7066 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
7067 MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
7068 }
7069
bnx2x_save_spirom_version(struct bnx2x * bp,u8 port,u32 spirom_ver,u32 ver_addr)7070 static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
7071 u32 spirom_ver, u32 ver_addr)
7072 {
7073 DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
7074 (u16)(spirom_ver>>16), (u16)spirom_ver, port);
7075
7076 if (ver_addr)
7077 REG_WR(bp, ver_addr, spirom_ver);
7078 }
7079
bnx2x_save_bcm_spirom_ver(struct bnx2x * bp,struct bnx2x_phy * phy,u8 port)7080 static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
7081 struct bnx2x_phy *phy,
7082 u8 port)
7083 {
7084 u16 fw_ver1, fw_ver2;
7085
7086 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
7087 MDIO_PMA_REG_ROM_VER1, &fw_ver1);
7088 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
7089 MDIO_PMA_REG_ROM_VER2, &fw_ver2);
7090 bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
7091 phy->ver_addr);
7092 }
7093
bnx2x_ext_phy_10G_an_resolve(struct bnx2x * bp,struct bnx2x_phy * phy,struct link_vars * vars)7094 static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
7095 struct bnx2x_phy *phy,
7096 struct link_vars *vars)
7097 {
7098 u16 val;
7099 bnx2x_cl45_read(bp, phy,
7100 MDIO_AN_DEVAD,
7101 MDIO_AN_REG_STATUS, &val);
7102 bnx2x_cl45_read(bp, phy,
7103 MDIO_AN_DEVAD,
7104 MDIO_AN_REG_STATUS, &val);
7105 if (val & (1<<5))
7106 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
7107 if ((val & (1<<0)) == 0)
7108 vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
7109 }
7110
7111 /******************************************************************/
7112 /* common BCM8073/BCM8727 PHY SECTION */
7113 /******************************************************************/
bnx2x_8073_resolve_fc(struct bnx2x_phy * phy,struct link_params * params,struct link_vars * vars)7114 static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
7115 struct link_params *params,
7116 struct link_vars *vars)
7117 {
7118 struct bnx2x *bp = params->bp;
7119 if (phy->req_line_speed == SPEED_10 ||
7120 phy->req_line_speed == SPEED_100) {
7121 vars->flow_ctrl = phy->req_flow_ctrl;
7122 return;
7123 }
7124
7125 if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
7126 (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
7127 u16 pause_result;
7128 u16 ld_pause; /* local */
7129 u16 lp_pause; /* link partner */
7130 bnx2x_cl45_read(bp, phy,
7131 MDIO_AN_DEVAD,
7132 MDIO_AN_REG_CL37_FC_LD, &ld_pause);
7133
7134 bnx2x_cl45_read(bp, phy,
7135 MDIO_AN_DEVAD,
7136 MDIO_AN_REG_CL37_FC_LP, &lp_pause);
7137 pause_result = (ld_pause &
7138 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
7139 pause_result |= (lp_pause &
7140 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
7141
7142 bnx2x_pause_resolve(phy, params, vars, pause_result);
7143 DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
7144 pause_result);
7145 }
7146 }
bnx2x_8073_8727_external_rom_boot(struct bnx2x * bp,struct bnx2x_phy * phy,u8 port)7147 static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
7148 struct bnx2x_phy *phy,
7149 u8 port)
7150 {
7151 u32 count = 0;
7152 u16 fw_ver1, fw_msgout;
7153 int rc = 0;
7154
7155 /* Boot port from external ROM */
7156 /* EDC grst */
7157 bnx2x_cl45_write(bp, phy,
7158 MDIO_PMA_DEVAD,
7159 MDIO_PMA_REG_GEN_CTRL,
7160 0x0001);
7161
7162 /* Ucode reboot and rst */
7163 bnx2x_cl45_write(bp, phy,
7164 MDIO_PMA_DEVAD,
7165 MDIO_PMA_REG_GEN_CTRL,
7166 0x008c);
7167
7168 bnx2x_cl45_write(bp, phy,
7169 MDIO_PMA_DEVAD,
7170 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
7171
7172 /* Reset internal microprocessor */
7173 bnx2x_cl45_write(bp, phy,
7174 MDIO_PMA_DEVAD,
7175 MDIO_PMA_REG_GEN_CTRL,
7176 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
7177
7178 /* Release srst bit */
7179 bnx2x_cl45_write(bp, phy,
7180 MDIO_PMA_DEVAD,
7181 MDIO_PMA_REG_GEN_CTRL,
7182 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
7183
7184 /* Delay 100ms per the PHY specifications */
7185 msleep(100);
7186
7187 /* 8073 sometimes taking longer to download */
7188 do {
7189 count++;
7190 if (count > 300) {
7191 DP(NETIF_MSG_LINK,
7192 "bnx2x_8073_8727_external_rom_boot port %x:"
7193 "Download failed. fw version = 0x%x\n",
7194 port, fw_ver1);
7195 rc = -EINVAL;
7196 break;
7197 }
7198
7199 bnx2x_cl45_read(bp, phy,
7200 MDIO_PMA_DEVAD,
7201 MDIO_PMA_REG_ROM_VER1, &fw_ver1);
7202 bnx2x_cl45_read(bp, phy,
7203 MDIO_PMA_DEVAD,
7204 MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
7205
7206 usleep_range(1000, 2000);
7207 } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
7208 ((fw_msgout & 0xff) != 0x03 && (phy->type ==
7209 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
7210
7211 /* Clear ser_boot_ctl bit */
7212 bnx2x_cl45_write(bp, phy,
7213 MDIO_PMA_DEVAD,
7214 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
7215 bnx2x_save_bcm_spirom_ver(bp, phy, port);
7216
7217 DP(NETIF_MSG_LINK,
7218 "bnx2x_8073_8727_external_rom_boot port %x:"
7219 "Download complete. fw version = 0x%x\n",
7220 port, fw_ver1);
7221
7222 return rc;
7223 }
7224
7225 /******************************************************************/
7226 /* BCM8073 PHY SECTION */
7227 /******************************************************************/
bnx2x_8073_is_snr_needed(struct bnx2x * bp,struct bnx2x_phy * phy)7228 static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
7229 {
7230 /* This is only required for 8073A1, version 102 only */
7231 u16 val;
7232
7233 /* Read 8073 HW revision*/
7234 bnx2x_cl45_read(bp, phy,
7235 MDIO_PMA_DEVAD,
7236 MDIO_PMA_REG_8073_CHIP_REV, &val);
7237
7238 if (val != 1) {
7239 /* No need to workaround in 8073 A1 */
7240 return 0;
7241 }
7242
7243 bnx2x_cl45_read(bp, phy,
7244 MDIO_PMA_DEVAD,
7245 MDIO_PMA_REG_ROM_VER2, &val);
7246
7247 /* SNR should be applied only for version 0x102 */
7248 if (val != 0x102)
7249 return 0;
7250
7251 return 1;
7252 }
7253
bnx2x_8073_xaui_wa(struct bnx2x * bp,struct bnx2x_phy * phy)7254 static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
7255 {
7256 u16 val, cnt, cnt1 ;
7257
7258 bnx2x_cl45_read(bp, phy,
7259 MDIO_PMA_DEVAD,
7260 MDIO_PMA_REG_8073_CHIP_REV, &val);
7261
7262 if (val > 0) {
7263 /* No need to workaround in 8073 A1 */
7264 return 0;
7265 }
7266 /* XAUI workaround in 8073 A0: */
7267
7268 /* After loading the boot ROM and restarting Autoneg, poll
7269 * Dev1, Reg $C820:
7270 */
7271
7272 for (cnt = 0; cnt < 1000; cnt++) {
7273 bnx2x_cl45_read(bp, phy,
7274 MDIO_PMA_DEVAD,
7275 MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
7276 &val);
7277 /* If bit [14] = 0 or bit [13] = 0, continue on with
7278 * system initialization (XAUI work-around not required, as
7279 * these bits indicate 2.5G or 1G link up).
7280 */
7281 if (!(val & (1<<14)) || !(val & (1<<13))) {
7282 DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
7283 return 0;
7284 } else if (!(val & (1<<15))) {
7285 DP(NETIF_MSG_LINK, "bit 15 went off\n");
7286 /* If bit 15 is 0, then poll Dev1, Reg $C841 until it's
7287 * MSB (bit15) goes to 1 (indicating that the XAUI
7288 * workaround has completed), then continue on with
7289 * system initialization.
7290 */
7291 for (cnt1 = 0; cnt1 < 1000; cnt1++) {
7292 bnx2x_cl45_read(bp, phy,
7293 MDIO_PMA_DEVAD,
7294 MDIO_PMA_REG_8073_XAUI_WA, &val);
7295 if (val & (1<<15)) {
7296 DP(NETIF_MSG_LINK,
7297 "XAUI workaround has completed\n");
7298 return 0;
7299 }
7300 usleep_range(3000, 6000);
7301 }
7302 break;
7303 }
7304 usleep_range(3000, 6000);
7305 }
7306 DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
7307 return -EINVAL;
7308 }
7309
bnx2x_807x_force_10G(struct bnx2x * bp,struct bnx2x_phy * phy)7310 static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
7311 {
7312 /* Force KR or KX */
7313 bnx2x_cl45_write(bp, phy,
7314 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
7315 bnx2x_cl45_write(bp, phy,
7316 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
7317 bnx2x_cl45_write(bp, phy,
7318 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
7319 bnx2x_cl45_write(bp, phy,
7320 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
7321 }
7322
bnx2x_8073_set_pause_cl37(struct link_params * params,struct bnx2x_phy * phy,struct link_vars * vars)7323 static void bnx2x_8073_set_pause_cl37(struct link_params *params,
7324 struct bnx2x_phy *phy,
7325 struct link_vars *vars)
7326 {
7327 u16 cl37_val;
7328 struct bnx2x *bp = params->bp;
7329 bnx2x_cl45_read(bp, phy,
7330 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
7331
7332 cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
7333 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
7334 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
7335 if ((vars->ieee_fc &
7336 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
7337 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
7338 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
7339 }
7340 if ((vars->ieee_fc &
7341 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
7342 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
7343 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
7344 }
7345 if ((vars->ieee_fc &
7346 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
7347 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
7348 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
7349 }
7350 DP(NETIF_MSG_LINK,
7351 "Ext phy AN advertize cl37 0x%x\n", cl37_val);
7352
7353 bnx2x_cl45_write(bp, phy,
7354 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
7355 msleep(500);
7356 }
7357
bnx2x_8073_specific_func(struct bnx2x_phy * phy,struct link_params * params,u32 action)7358 static void bnx2x_8073_specific_func(struct bnx2x_phy *phy,
7359 struct link_params *params,
7360 u32 action)
7361 {
7362 struct bnx2x *bp = params->bp;
7363 switch (action) {
7364 case PHY_INIT:
7365 /* Enable LASI */
7366 bnx2x_cl45_write(bp, phy,
7367 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
7368 bnx2x_cl45_write(bp, phy,
7369 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004);
7370 break;
7371 }
7372 }
7373
bnx2x_8073_config_init(struct bnx2x_phy * phy,struct link_params * params,struct link_vars * vars)7374 static void bnx2x_8073_config_init(struct bnx2x_phy *phy,
7375 struct link_params *params,
7376 struct link_vars *vars)
7377 {
7378 struct bnx2x *bp = params->bp;
7379 u16 val = 0, tmp1;
7380 u8 gpio_port;
7381 DP(NETIF_MSG_LINK, "Init 8073\n");
7382
7383 if (CHIP_IS_E2(bp))
7384 gpio_port = BP_PATH(bp);
7385 else
7386 gpio_port = params->port;
7387 /* Restore normal power mode*/
7388 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
7389 MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
7390
7391 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
7392 MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
7393
7394 bnx2x_8073_specific_func(phy, params, PHY_INIT);
7395 bnx2x_8073_set_pause_cl37(params, phy, vars);
7396
7397 bnx2x_cl45_read(bp, phy,
7398 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
7399
7400 bnx2x_cl45_read(bp, phy,
7401 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
7402
7403 DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
7404
7405 /* Swap polarity if required - Must be done only in non-1G mode */
7406 if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
7407 /* Configure the 8073 to swap _P and _N of the KR lines */
7408 DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
7409 /* 10G Rx/Tx and 1G Tx signal polarity swap */
7410 bnx2x_cl45_read(bp, phy,
7411 MDIO_PMA_DEVAD,
7412 MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
7413 bnx2x_cl45_write(bp, phy,
7414 MDIO_PMA_DEVAD,
7415 MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
7416 (val | (3<<9)));
7417 }
7418
7419
7420 /* Enable CL37 BAM */
7421 if (REG_RD(bp, params->shmem_base +
7422 offsetof(struct shmem_region, dev_info.
7423 port_hw_config[params->port].default_cfg)) &
7424 PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
7425
7426 bnx2x_cl45_read(bp, phy,
7427 MDIO_AN_DEVAD,
7428 MDIO_AN_REG_8073_BAM, &val);
7429 bnx2x_cl45_write(bp, phy,
7430 MDIO_AN_DEVAD,
7431 MDIO_AN_REG_8073_BAM, val | 1);
7432 DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
7433 }
7434 if (params->loopback_mode == LOOPBACK_EXT) {
7435 bnx2x_807x_force_10G(bp, phy);
7436 DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
7437 return;
7438 } else {
7439 bnx2x_cl45_write(bp, phy,
7440 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
7441 }
7442 if (phy->req_line_speed != SPEED_AUTO_NEG) {
7443 if (phy->req_line_speed == SPEED_10000) {
7444 val = (1<<7);
7445 } else if (phy->req_line_speed == SPEED_2500) {
7446 val = (1<<5);
7447 /* Note that 2.5G works only when used with 1G
7448 * advertisement
7449 */
7450 } else
7451 val = (1<<5);
7452 } else {
7453 val = 0;
7454 if (phy->speed_cap_mask &
7455 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
7456 val |= (1<<7);
7457
7458 /* Note that 2.5G works only when used with 1G advertisement */
7459 if (phy->speed_cap_mask &
7460 (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
7461 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
7462 val |= (1<<5);
7463 DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
7464 }
7465
7466 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
7467 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
7468
7469 if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
7470 (phy->req_line_speed == SPEED_AUTO_NEG)) ||
7471 (phy->req_line_speed == SPEED_2500)) {
7472 u16 phy_ver;
7473 /* Allow 2.5G for A1 and above */
7474 bnx2x_cl45_read(bp, phy,
7475 MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
7476 &phy_ver);
7477 DP(NETIF_MSG_LINK, "Add 2.5G\n");
7478 if (phy_ver > 0)
7479 tmp1 |= 1;
7480 else
7481 tmp1 &= 0xfffe;
7482 } else {
7483 DP(NETIF_MSG_LINK, "Disable 2.5G\n");
7484 tmp1 &= 0xfffe;
7485 }
7486
7487 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
7488 /* Add support for CL37 (passive mode) II */
7489
7490 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
7491 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
7492 (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
7493 0x20 : 0x40)));
7494
7495 /* Add support for CL37 (passive mode) III */
7496 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
7497
7498 /* The SNR will improve about 2db by changing BW and FEE main
7499 * tap. Rest commands are executed after link is up
7500 * Change FFE main cursor to 5 in EDC register
7501 */
7502 if (bnx2x_8073_is_snr_needed(bp, phy))
7503 bnx2x_cl45_write(bp, phy,
7504 MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
7505 0xFB0C);
7506
7507 /* Enable FEC (Forware Error Correction) Request in the AN */
7508 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
7509 tmp1 |= (1<<15);
7510 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
7511
7512 bnx2x_ext_phy_set_pause(params, phy, vars);
7513
7514 /* Restart autoneg */
7515 msleep(500);
7516 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
7517 DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
7518 ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
7519 }
7520
bnx2x_8073_read_status(struct bnx2x_phy * phy,struct link_params * params,struct link_vars * vars)7521 static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
7522 struct link_params *params,
7523 struct link_vars *vars)
7524 {
7525 struct bnx2x *bp = params->bp;
7526 u8 link_up = 0;
7527 u16 val1, val2;
7528 u16 link_status = 0;
7529 u16 an1000_status = 0;
7530
7531 bnx2x_cl45_read(bp, phy,
7532 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
7533
7534 DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
7535
7536 /* Clear the interrupt LASI status register */
7537 bnx2x_cl45_read(bp, phy,
7538 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
7539 bnx2x_cl45_read(bp, phy,
7540 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
7541 DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
7542 /* Clear MSG-OUT */
7543 bnx2x_cl45_read(bp, phy,
7544 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
7545
7546 /* Check the LASI */
7547 bnx2x_cl45_read(bp, phy,
7548 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
7549
7550 DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
7551
7552 /* Check the link status */
7553 bnx2x_cl45_read(bp, phy,
7554 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
7555 DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
7556
7557 bnx2x_cl45_read(bp, phy,
7558 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
7559 bnx2x_cl45_read(bp, phy,
7560 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
7561 link_up = ((val1 & 4) == 4);
7562 DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
7563
7564 if (link_up &&
7565 ((phy->req_line_speed != SPEED_10000))) {
7566 if (bnx2x_8073_xaui_wa(bp, phy) != 0)
7567 return 0;
7568 }
7569 bnx2x_cl45_read(bp, phy,
7570 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
7571 bnx2x_cl45_read(bp, phy,
7572 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
7573
7574 /* Check the link status on 1.1.2 */
7575 bnx2x_cl45_read(bp, phy,
7576 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
7577 bnx2x_cl45_read(bp, phy,
7578 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
7579 DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
7580 "an_link_status=0x%x\n", val2, val1, an1000_status);
7581
7582 link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
7583 if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
7584 /* The SNR will improve about 2dbby changing the BW and FEE main
7585 * tap. The 1st write to change FFE main tap is set before
7586 * restart AN. Change PLL Bandwidth in EDC register
7587 */
7588 bnx2x_cl45_write(bp, phy,
7589 MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
7590 0x26BC);
7591
7592 /* Change CDR Bandwidth in EDC register */
7593 bnx2x_cl45_write(bp, phy,
7594 MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
7595 0x0333);
7596 }
7597 bnx2x_cl45_read(bp, phy,
7598 MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
7599 &link_status);
7600
7601 /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
7602 if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
7603 link_up = 1;
7604 vars->line_speed = SPEED_10000;
7605 DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
7606 params->port);
7607 } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
7608 link_up = 1;
7609 vars->line_speed = SPEED_2500;
7610 DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
7611 params->port);
7612 } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
7613 link_up = 1;
7614 vars->line_speed = SPEED_1000;
7615 DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
7616 params->port);
7617 } else {
7618 link_up = 0;
7619 DP(NETIF_MSG_LINK, "port %x: External link is down\n",
7620 params->port);
7621 }
7622
7623 if (link_up) {
7624 /* Swap polarity if required */
7625 if (params->lane_config &
7626 PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
7627 /* Configure the 8073 to swap P and N of the KR lines */
7628 bnx2x_cl45_read(bp, phy,
7629 MDIO_XS_DEVAD,
7630 MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
7631 /* Set bit 3 to invert Rx in 1G mode and clear this bit
7632 * when it`s in 10G mode.
7633 */
7634 if (vars->line_speed == SPEED_1000) {
7635 DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
7636 "the 8073\n");
7637 val1 |= (1<<3);
7638 } else
7639 val1 &= ~(1<<3);
7640
7641 bnx2x_cl45_write(bp, phy,
7642 MDIO_XS_DEVAD,
7643 MDIO_XS_REG_8073_RX_CTRL_PCIE,
7644 val1);
7645 }
7646 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
7647 bnx2x_8073_resolve_fc(phy, params, vars);
7648 vars->duplex = DUPLEX_FULL;
7649 }
7650
7651 if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
7652 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
7653 MDIO_AN_REG_LP_AUTO_NEG2, &val1);
7654
7655 if (val1 & (1<<5))
7656 vars->link_status |=
7657 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
7658 if (val1 & (1<<7))
7659 vars->link_status |=
7660 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
7661 }
7662
7663 return link_up;
7664 }
7665
bnx2x_8073_link_reset(struct bnx2x_phy * phy,struct link_params * params)7666 static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
7667 struct link_params *params)
7668 {
7669 struct bnx2x *bp = params->bp;
7670 u8 gpio_port;
7671 if (CHIP_IS_E2(bp))
7672 gpio_port = BP_PATH(bp);
7673 else
7674 gpio_port = params->port;
7675 DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
7676 gpio_port);
7677 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
7678 MISC_REGISTERS_GPIO_OUTPUT_LOW,
7679 gpio_port);
7680 }
7681
7682 /******************************************************************/
7683 /* BCM8705 PHY SECTION */
7684 /******************************************************************/
bnx2x_8705_config_init(struct bnx2x_phy * phy,struct link_params * params,struct link_vars * vars)7685 static void bnx2x_8705_config_init(struct bnx2x_phy *phy,
7686 struct link_params *params,
7687 struct link_vars *vars)
7688 {
7689 struct bnx2x *bp = params->bp;
7690 DP(NETIF_MSG_LINK, "init 8705\n");
7691 /* Restore normal power mode*/
7692 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
7693 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
7694 /* HW reset */
7695 bnx2x_ext_phy_hw_reset(bp, params->port);
7696 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
7697 bnx2x_wait_reset_complete(bp, phy, params);
7698
7699 bnx2x_cl45_write(bp, phy,
7700 MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
7701 bnx2x_cl45_write(bp, phy,
7702 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
7703 bnx2x_cl45_write(bp, phy,
7704 MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
7705 bnx2x_cl45_write(bp, phy,
7706 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
7707 /* BCM8705 doesn't have microcode, hence the 0 */
7708 bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
7709 }
7710
bnx2x_8705_read_status(struct bnx2x_phy * phy,struct link_params * params,struct link_vars * vars)7711 static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
7712 struct link_params *params,
7713 struct link_vars *vars)
7714 {
7715 u8 link_up = 0;
7716 u16 val1, rx_sd;
7717 struct bnx2x *bp = params->bp;
7718 DP(NETIF_MSG_LINK, "read status 8705\n");
7719 bnx2x_cl45_read(bp, phy,
7720 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
7721 DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
7722
7723 bnx2x_cl45_read(bp, phy,
7724 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
7725 DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
7726
7727 bnx2x_cl45_read(bp, phy,
7728 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
7729
7730 bnx2x_cl45_read(bp, phy,
7731 MDIO_PMA_DEVAD, 0xc809, &val1);
7732 bnx2x_cl45_read(bp, phy,
7733 MDIO_PMA_DEVAD, 0xc809, &val1);
7734
7735 DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
7736 link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
7737 if (link_up) {
7738 vars->line_speed = SPEED_10000;
7739 bnx2x_ext_phy_resolve_fc(phy, params, vars);
7740 }
7741 return link_up;
7742 }
7743
7744 /******************************************************************/
7745 /* SFP+ module Section */
7746 /******************************************************************/
bnx2x_set_disable_pmd_transmit(struct link_params * params,struct bnx2x_phy * phy,u8 pmd_dis)7747 static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
7748 struct bnx2x_phy *phy,
7749 u8 pmd_dis)
7750 {
7751 struct bnx2x *bp = params->bp;
7752 /* Disable transmitter only for bootcodes which can enable it afterwards
7753 * (for D3 link)
7754 */
7755 if (pmd_dis) {
7756 if (params->feature_config_flags &
7757 FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
7758 DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
7759 else {
7760 DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
7761 return;
7762 }
7763 } else
7764 DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
7765 bnx2x_cl45_write(bp, phy,
7766 MDIO_PMA_DEVAD,
7767 MDIO_PMA_REG_TX_DISABLE, pmd_dis);
7768 }
7769
bnx2x_get_gpio_port(struct link_params * params)7770 static u8 bnx2x_get_gpio_port(struct link_params *params)
7771 {
7772 u8 gpio_port;
7773 u32 swap_val, swap_override;
7774 struct bnx2x *bp = params->bp;
7775 if (CHIP_IS_E2(bp))
7776 gpio_port = BP_PATH(bp);
7777 else
7778 gpio_port = params->port;
7779 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
7780 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
7781 return gpio_port ^ (swap_val && swap_override);
7782 }
7783
bnx2x_sfp_e1e2_set_transmitter(struct link_params * params,struct bnx2x_phy * phy,u8 tx_en)7784 static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
7785 struct bnx2x_phy *phy,
7786 u8 tx_en)
7787 {
7788 u16 val;
7789 u8 port = params->port;
7790 struct bnx2x *bp = params->bp;
7791 u32 tx_en_mode;
7792
7793 /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
7794 tx_en_mode = REG_RD(bp, params->shmem_base +
7795 offsetof(struct shmem_region,
7796 dev_info.port_hw_config[port].sfp_ctrl)) &
7797 PORT_HW_CFG_TX_LASER_MASK;
7798 DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
7799 "mode = %x\n", tx_en, port, tx_en_mode);
7800 switch (tx_en_mode) {
7801 case PORT_HW_CFG_TX_LASER_MDIO:
7802
7803 bnx2x_cl45_read(bp, phy,
7804 MDIO_PMA_DEVAD,
7805 MDIO_PMA_REG_PHY_IDENTIFIER,
7806 &val);
7807
7808 if (tx_en)
7809 val &= ~(1<<15);
7810 else
7811 val |= (1<<15);
7812
7813 bnx2x_cl45_write(bp, phy,
7814 MDIO_PMA_DEVAD,
7815 MDIO_PMA_REG_PHY_IDENTIFIER,
7816 val);
7817 break;
7818 case PORT_HW_CFG_TX_LASER_GPIO0:
7819 case PORT_HW_CFG_TX_LASER_GPIO1:
7820 case PORT_HW_CFG_TX_LASER_GPIO2:
7821 case PORT_HW_CFG_TX_LASER_GPIO3:
7822 {
7823 u16 gpio_pin;
7824 u8 gpio_port, gpio_mode;
7825 if (tx_en)
7826 gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
7827 else
7828 gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
7829
7830 gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
7831 gpio_port = bnx2x_get_gpio_port(params);
7832 bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
7833 break;
7834 }
7835 default:
7836 DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
7837 break;
7838 }
7839 }
7840
bnx2x_sfp_set_transmitter(struct link_params * params,struct bnx2x_phy * phy,u8 tx_en)7841 static void bnx2x_sfp_set_transmitter(struct link_params *params,
7842 struct bnx2x_phy *phy,
7843 u8 tx_en)
7844 {
7845 struct bnx2x *bp = params->bp;
7846 DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
7847 if (CHIP_IS_E3(bp))
7848 bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
7849 else
7850 bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
7851 }
7852
bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy * phy,struct link_params * params,u8 dev_addr,u16 addr,u8 byte_cnt,u8 * o_buf,u8 is_init)7853 static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7854 struct link_params *params,
7855 u8 dev_addr, u16 addr, u8 byte_cnt,
7856 u8 *o_buf, u8 is_init)
7857 {
7858 struct bnx2x *bp = params->bp;
7859 u16 val = 0;
7860 u16 i;
7861 if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
7862 DP(NETIF_MSG_LINK,
7863 "Reading from eeprom is limited to 0xf\n");
7864 return -EINVAL;
7865 }
7866 /* Set the read command byte count */
7867 bnx2x_cl45_write(bp, phy,
7868 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
7869 (byte_cnt | (dev_addr << 8)));
7870
7871 /* Set the read command address */
7872 bnx2x_cl45_write(bp, phy,
7873 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
7874 addr);
7875
7876 /* Activate read command */
7877 bnx2x_cl45_write(bp, phy,
7878 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
7879 0x2c0f);
7880
7881 /* Wait up to 500us for command complete status */
7882 for (i = 0; i < 100; i++) {
7883 bnx2x_cl45_read(bp, phy,
7884 MDIO_PMA_DEVAD,
7885 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
7886 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7887 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
7888 break;
7889 udelay(5);
7890 }
7891
7892 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
7893 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
7894 DP(NETIF_MSG_LINK,
7895 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
7896 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
7897 return -EINVAL;
7898 }
7899
7900 /* Read the buffer */
7901 for (i = 0; i < byte_cnt; i++) {
7902 bnx2x_cl45_read(bp, phy,
7903 MDIO_PMA_DEVAD,
7904 MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
7905 o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
7906 }
7907
7908 for (i = 0; i < 100; i++) {
7909 bnx2x_cl45_read(bp, phy,
7910 MDIO_PMA_DEVAD,
7911 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
7912 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7913 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
7914 return 0;
7915 usleep_range(1000, 2000);
7916 }
7917 return -EINVAL;
7918 }
7919
bnx2x_warpcore_power_module(struct link_params * params,u8 power)7920 static void bnx2x_warpcore_power_module(struct link_params *params,
7921 u8 power)
7922 {
7923 u32 pin_cfg;
7924 struct bnx2x *bp = params->bp;
7925
7926 pin_cfg = (REG_RD(bp, params->shmem_base +
7927 offsetof(struct shmem_region,
7928 dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
7929 PORT_HW_CFG_E3_PWR_DIS_MASK) >>
7930 PORT_HW_CFG_E3_PWR_DIS_SHIFT;
7931
7932 if (pin_cfg == PIN_CFG_NA)
7933 return;
7934 DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
7935 power, pin_cfg);
7936 /* Low ==> corresponding SFP+ module is powered
7937 * high ==> the SFP+ module is powered down
7938 */
7939 bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
7940 }
bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy * phy,struct link_params * params,u8 dev_addr,u16 addr,u8 byte_cnt,u8 * o_buf,u8 is_init)7941 static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7942 struct link_params *params,
7943 u8 dev_addr,
7944 u16 addr, u8 byte_cnt,
7945 u8 *o_buf, u8 is_init)
7946 {
7947 int rc = 0;
7948 u8 i, j = 0, cnt = 0;
7949 u32 data_array[4];
7950 u16 addr32;
7951 struct bnx2x *bp = params->bp;
7952
7953 if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
7954 DP(NETIF_MSG_LINK,
7955 "Reading from eeprom is limited to 16 bytes\n");
7956 return -EINVAL;
7957 }
7958
7959 /* 4 byte aligned address */
7960 addr32 = addr & (~0x3);
7961 do {
7962 if ((!is_init) && (cnt == I2C_WA_PWR_ITER)) {
7963 bnx2x_warpcore_power_module(params, 0);
7964 /* Note that 100us are not enough here */
7965 usleep_range(1000, 2000);
7966 bnx2x_warpcore_power_module(params, 1);
7967 }
7968 rc = bnx2x_bsc_read(params, bp, dev_addr, addr32, 0, byte_cnt,
7969 data_array);
7970 } while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
7971
7972 if (rc == 0) {
7973 for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
7974 o_buf[j] = *((u8 *)data_array + i);
7975 j++;
7976 }
7977 }
7978
7979 return rc;
7980 }
7981
bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy * phy,struct link_params * params,u8 dev_addr,u16 addr,u8 byte_cnt,u8 * o_buf,u8 is_init)7982 static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7983 struct link_params *params,
7984 u8 dev_addr, u16 addr, u8 byte_cnt,
7985 u8 *o_buf, u8 is_init)
7986 {
7987 struct bnx2x *bp = params->bp;
7988 u16 val, i;
7989
7990 if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
7991 DP(NETIF_MSG_LINK,
7992 "Reading from eeprom is limited to 0xf\n");
7993 return -EINVAL;
7994 }
7995
7996 /* Set 2-wire transfer rate of SFP+ module EEPROM
7997 * to 100Khz since some DACs(direct attached cables) do
7998 * not work at 400Khz.
7999 */
8000 bnx2x_cl45_write(bp, phy,
8001 MDIO_PMA_DEVAD,
8002 MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
8003 ((dev_addr << 8) | 1));
8004
8005 /* Need to read from 1.8000 to clear it */
8006 bnx2x_cl45_read(bp, phy,
8007 MDIO_PMA_DEVAD,
8008 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
8009 &val);
8010
8011 /* Set the read command byte count */
8012 bnx2x_cl45_write(bp, phy,
8013 MDIO_PMA_DEVAD,
8014 MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
8015 ((byte_cnt < 2) ? 2 : byte_cnt));
8016
8017 /* Set the read command address */
8018 bnx2x_cl45_write(bp, phy,
8019 MDIO_PMA_DEVAD,
8020 MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
8021 addr);
8022 /* Set the destination address */
8023 bnx2x_cl45_write(bp, phy,
8024 MDIO_PMA_DEVAD,
8025 0x8004,
8026 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
8027
8028 /* Activate read command */
8029 bnx2x_cl45_write(bp, phy,
8030 MDIO_PMA_DEVAD,
8031 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
8032 0x8002);
8033 /* Wait appropriate time for two-wire command to finish before
8034 * polling the status register
8035 */
8036 usleep_range(1000, 2000);
8037
8038 /* Wait up to 500us for command complete status */
8039 for (i = 0; i < 100; i++) {
8040 bnx2x_cl45_read(bp, phy,
8041 MDIO_PMA_DEVAD,
8042 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
8043 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
8044 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
8045 break;
8046 udelay(5);
8047 }
8048
8049 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
8050 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
8051 DP(NETIF_MSG_LINK,
8052 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
8053 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
8054 return -EFAULT;
8055 }
8056
8057 /* Read the buffer */
8058 for (i = 0; i < byte_cnt; i++) {
8059 bnx2x_cl45_read(bp, phy,
8060 MDIO_PMA_DEVAD,
8061 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
8062 o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
8063 }
8064
8065 for (i = 0; i < 100; i++) {
8066 bnx2x_cl45_read(bp, phy,
8067 MDIO_PMA_DEVAD,
8068 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
8069 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
8070 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
8071 return 0;
8072 usleep_range(1000, 2000);
8073 }
8074
8075 return -EINVAL;
8076 }
bnx2x_read_sfp_module_eeprom(struct bnx2x_phy * phy,struct link_params * params,u8 dev_addr,u16 addr,u16 byte_cnt,u8 * o_buf)8077 int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
8078 struct link_params *params, u8 dev_addr,
8079 u16 addr, u16 byte_cnt, u8 *o_buf)
8080 {
8081 int rc = 0;
8082 struct bnx2x *bp = params->bp;
8083 u8 xfer_size;
8084 u8 *user_data = o_buf;
8085 read_sfp_module_eeprom_func_p read_func;
8086
8087 if ((dev_addr != 0xa0) && (dev_addr != 0xa2)) {
8088 DP(NETIF_MSG_LINK, "invalid dev_addr 0x%x\n", dev_addr);
8089 return -EINVAL;
8090 }
8091
8092 switch (phy->type) {
8093 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
8094 read_func = bnx2x_8726_read_sfp_module_eeprom;
8095 break;
8096 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
8097 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
8098 read_func = bnx2x_8727_read_sfp_module_eeprom;
8099 break;
8100 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
8101 read_func = bnx2x_warpcore_read_sfp_module_eeprom;
8102 break;
8103 default:
8104 return -EOPNOTSUPP;
8105 }
8106
8107 while (!rc && (byte_cnt > 0)) {
8108 xfer_size = (byte_cnt > SFP_EEPROM_PAGE_SIZE) ?
8109 SFP_EEPROM_PAGE_SIZE : byte_cnt;
8110 rc = read_func(phy, params, dev_addr, addr, xfer_size,
8111 user_data, 0);
8112 byte_cnt -= xfer_size;
8113 user_data += xfer_size;
8114 addr += xfer_size;
8115 }
8116 return rc;
8117 }
8118
bnx2x_get_edc_mode(struct bnx2x_phy * phy,struct link_params * params,u16 * edc_mode)8119 static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
8120 struct link_params *params,
8121 u16 *edc_mode)
8122 {
8123 struct bnx2x *bp = params->bp;
8124 u32 sync_offset = 0, phy_idx, media_types;
8125 u8 val[SFP_EEPROM_FC_TX_TECH_ADDR + 1], check_limiting_mode = 0;
8126 *edc_mode = EDC_MODE_LIMITING;
8127 phy->media_type = ETH_PHY_UNSPECIFIED;
8128 /* First check for copper cable */
8129 if (bnx2x_read_sfp_module_eeprom(phy,
8130 params,
8131 I2C_DEV_ADDR_A0,
8132 0,
8133 SFP_EEPROM_FC_TX_TECH_ADDR + 1,
8134 (u8 *)val) != 0) {
8135 DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
8136 return -EINVAL;
8137 }
8138 params->link_attr_sync &= ~LINK_SFP_EEPROM_COMP_CODE_MASK;
8139 params->link_attr_sync |= val[SFP_EEPROM_10G_COMP_CODE_ADDR] <<
8140 LINK_SFP_EEPROM_COMP_CODE_SHIFT;
8141 bnx2x_update_link_attr(params, params->link_attr_sync);
8142 switch (val[SFP_EEPROM_CON_TYPE_ADDR]) {
8143 case SFP_EEPROM_CON_TYPE_VAL_COPPER:
8144 {
8145 u8 copper_module_type;
8146 phy->media_type = ETH_PHY_DA_TWINAX;
8147 /* Check if its active cable (includes SFP+ module)
8148 * of passive cable
8149 */
8150 copper_module_type = val[SFP_EEPROM_FC_TX_TECH_ADDR];
8151
8152 if (copper_module_type &
8153 SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
8154 DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
8155 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
8156 *edc_mode = EDC_MODE_ACTIVE_DAC;
8157 else
8158 check_limiting_mode = 1;
8159 } else {
8160 *edc_mode = EDC_MODE_PASSIVE_DAC;
8161 /* Even in case PASSIVE_DAC indication is not set,
8162 * treat it as a passive DAC cable, since some cables
8163 * don't have this indication.
8164 */
8165 if (copper_module_type &
8166 SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
8167 DP(NETIF_MSG_LINK,
8168 "Passive Copper cable detected\n");
8169 } else {
8170 DP(NETIF_MSG_LINK,
8171 "Unknown copper-cable-type\n");
8172 }
8173 }
8174 break;
8175 }
8176 case SFP_EEPROM_CON_TYPE_VAL_UNKNOWN:
8177 case SFP_EEPROM_CON_TYPE_VAL_LC:
8178 case SFP_EEPROM_CON_TYPE_VAL_RJ45:
8179 check_limiting_mode = 1;
8180 if (((val[SFP_EEPROM_10G_COMP_CODE_ADDR] &
8181 (SFP_EEPROM_10G_COMP_CODE_SR_MASK |
8182 SFP_EEPROM_10G_COMP_CODE_LR_MASK |
8183 SFP_EEPROM_10G_COMP_CODE_LRM_MASK)) == 0) &&
8184 (val[SFP_EEPROM_1G_COMP_CODE_ADDR] != 0)) {
8185 DP(NETIF_MSG_LINK, "1G SFP module detected\n");
8186 phy->media_type = ETH_PHY_SFP_1G_FIBER;
8187 if (phy->req_line_speed != SPEED_1000) {
8188 u8 gport = params->port;
8189 phy->req_line_speed = SPEED_1000;
8190 if (!CHIP_IS_E1x(bp)) {
8191 gport = BP_PATH(bp) +
8192 (params->port << 1);
8193 }
8194 netdev_err(bp->dev,
8195 "Warning: Link speed was forced to 1000Mbps. Current SFP module in port %d is not compliant with 10G Ethernet\n",
8196 gport);
8197 }
8198 if (val[SFP_EEPROM_1G_COMP_CODE_ADDR] &
8199 SFP_EEPROM_1G_COMP_CODE_BASE_T) {
8200 bnx2x_sfp_set_transmitter(params, phy, 0);
8201 msleep(40);
8202 bnx2x_sfp_set_transmitter(params, phy, 1);
8203 }
8204 } else {
8205 int idx, cfg_idx = 0;
8206 DP(NETIF_MSG_LINK, "10G Optic module detected\n");
8207 for (idx = INT_PHY; idx < MAX_PHYS; idx++) {
8208 if (params->phy[idx].type == phy->type) {
8209 cfg_idx = LINK_CONFIG_IDX(idx);
8210 break;
8211 }
8212 }
8213 phy->media_type = ETH_PHY_SFPP_10G_FIBER;
8214 phy->req_line_speed = params->req_line_speed[cfg_idx];
8215 }
8216 break;
8217 default:
8218 DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
8219 val[SFP_EEPROM_CON_TYPE_ADDR]);
8220 return -EINVAL;
8221 }
8222 sync_offset = params->shmem_base +
8223 offsetof(struct shmem_region,
8224 dev_info.port_hw_config[params->port].media_type);
8225 media_types = REG_RD(bp, sync_offset);
8226 /* Update media type for non-PMF sync */
8227 for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
8228 if (&(params->phy[phy_idx]) == phy) {
8229 media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
8230 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
8231 media_types |= ((phy->media_type &
8232 PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
8233 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
8234 break;
8235 }
8236 }
8237 REG_WR(bp, sync_offset, media_types);
8238 if (check_limiting_mode) {
8239 u8 options[SFP_EEPROM_OPTIONS_SIZE];
8240 if (bnx2x_read_sfp_module_eeprom(phy,
8241 params,
8242 I2C_DEV_ADDR_A0,
8243 SFP_EEPROM_OPTIONS_ADDR,
8244 SFP_EEPROM_OPTIONS_SIZE,
8245 options) != 0) {
8246 DP(NETIF_MSG_LINK,
8247 "Failed to read Option field from module EEPROM\n");
8248 return -EINVAL;
8249 }
8250 if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
8251 *edc_mode = EDC_MODE_LINEAR;
8252 else
8253 *edc_mode = EDC_MODE_LIMITING;
8254 }
8255 DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
8256 return 0;
8257 }
8258 /* This function read the relevant field from the module (SFP+), and verify it
8259 * is compliant with this board
8260 */
bnx2x_verify_sfp_module(struct bnx2x_phy * phy,struct link_params * params)8261 static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
8262 struct link_params *params)
8263 {
8264 struct bnx2x *bp = params->bp;
8265 u32 val, cmd;
8266 u32 fw_resp, fw_cmd_param;
8267 char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
8268 char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
8269 phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
8270 val = REG_RD(bp, params->shmem_base +
8271 offsetof(struct shmem_region, dev_info.
8272 port_feature_config[params->port].config));
8273 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8274 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
8275 DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
8276 return 0;
8277 }
8278
8279 if (params->feature_config_flags &
8280 FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
8281 /* Use specific phy request */
8282 cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
8283 } else if (params->feature_config_flags &
8284 FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
8285 /* Use first phy request only in case of non-dual media*/
8286 if (DUAL_MEDIA(params)) {
8287 DP(NETIF_MSG_LINK,
8288 "FW does not support OPT MDL verification\n");
8289 return -EINVAL;
8290 }
8291 cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
8292 } else {
8293 /* No support in OPT MDL detection */
8294 DP(NETIF_MSG_LINK,
8295 "FW does not support OPT MDL verification\n");
8296 return -EINVAL;
8297 }
8298
8299 fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
8300 fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
8301 if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
8302 DP(NETIF_MSG_LINK, "Approved module\n");
8303 return 0;
8304 }
8305
8306 /* Format the warning message */
8307 if (bnx2x_read_sfp_module_eeprom(phy,
8308 params,
8309 I2C_DEV_ADDR_A0,
8310 SFP_EEPROM_VENDOR_NAME_ADDR,
8311 SFP_EEPROM_VENDOR_NAME_SIZE,
8312 (u8 *)vendor_name))
8313 vendor_name[0] = '\0';
8314 else
8315 vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
8316 if (bnx2x_read_sfp_module_eeprom(phy,
8317 params,
8318 I2C_DEV_ADDR_A0,
8319 SFP_EEPROM_PART_NO_ADDR,
8320 SFP_EEPROM_PART_NO_SIZE,
8321 (u8 *)vendor_pn))
8322 vendor_pn[0] = '\0';
8323 else
8324 vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
8325
8326 netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
8327 " Port %d from %s part number %s\n",
8328 params->port, vendor_name, vendor_pn);
8329 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
8330 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_WARNING_MSG)
8331 phy->flags |= FLAGS_SFP_NOT_APPROVED;
8332 return -EINVAL;
8333 }
8334
bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy * phy,struct link_params * params)8335 static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
8336 struct link_params *params)
8337
8338 {
8339 u8 val;
8340 int rc;
8341 struct bnx2x *bp = params->bp;
8342 u16 timeout;
8343 /* Initialization time after hot-plug may take up to 300ms for
8344 * some phys type ( e.g. JDSU )
8345 */
8346
8347 for (timeout = 0; timeout < 60; timeout++) {
8348 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
8349 rc = bnx2x_warpcore_read_sfp_module_eeprom(
8350 phy, params, I2C_DEV_ADDR_A0, 1, 1, &val,
8351 1);
8352 else
8353 rc = bnx2x_read_sfp_module_eeprom(phy, params,
8354 I2C_DEV_ADDR_A0,
8355 1, 1, &val);
8356 if (rc == 0) {
8357 DP(NETIF_MSG_LINK,
8358 "SFP+ module initialization took %d ms\n",
8359 timeout * 5);
8360 return 0;
8361 }
8362 usleep_range(5000, 10000);
8363 }
8364 rc = bnx2x_read_sfp_module_eeprom(phy, params, I2C_DEV_ADDR_A0,
8365 1, 1, &val);
8366 return rc;
8367 }
8368
bnx2x_8727_power_module(struct bnx2x * bp,struct bnx2x_phy * phy,u8 is_power_up)8369 static void bnx2x_8727_power_module(struct bnx2x *bp,
8370 struct bnx2x_phy *phy,
8371 u8 is_power_up) {
8372 /* Make sure GPIOs are not using for LED mode */
8373 u16 val;
8374 /* In the GPIO register, bit 4 is use to determine if the GPIOs are
8375 * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
8376 * output
8377 * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
8378 * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
8379 * where the 1st bit is the over-current(only input), and 2nd bit is
8380 * for power( only output )
8381 *
8382 * In case of NOC feature is disabled and power is up, set GPIO control
8383 * as input to enable listening of over-current indication
8384 */
8385 if (phy->flags & FLAGS_NOC)
8386 return;
8387 if (is_power_up)
8388 val = (1<<4);
8389 else
8390 /* Set GPIO control to OUTPUT, and set the power bit
8391 * to according to the is_power_up
8392 */
8393 val = (1<<1);
8394
8395 bnx2x_cl45_write(bp, phy,
8396 MDIO_PMA_DEVAD,
8397 MDIO_PMA_REG_8727_GPIO_CTRL,
8398 val);
8399 }
8400
bnx2x_8726_set_limiting_mode(struct bnx2x * bp,struct bnx2x_phy * phy,u16 edc_mode)8401 static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
8402 struct bnx2x_phy *phy,
8403 u16 edc_mode)
8404 {
8405 u16 cur_limiting_mode;
8406
8407 bnx2x_cl45_read(bp, phy,
8408 MDIO_PMA_DEVAD,
8409 MDIO_PMA_REG_ROM_VER2,
8410 &cur_limiting_mode);
8411 DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
8412 cur_limiting_mode);
8413
8414 if (edc_mode == EDC_MODE_LIMITING) {
8415 DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
8416 bnx2x_cl45_write(bp, phy,
8417 MDIO_PMA_DEVAD,
8418 MDIO_PMA_REG_ROM_VER2,
8419 EDC_MODE_LIMITING);
8420 } else { /* LRM mode ( default )*/
8421
8422 DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
8423
8424 /* Changing to LRM mode takes quite few seconds. So do it only
8425 * if current mode is limiting (default is LRM)
8426 */
8427 if (cur_limiting_mode != EDC_MODE_LIMITING)
8428 return 0;
8429
8430 bnx2x_cl45_write(bp, phy,
8431 MDIO_PMA_DEVAD,
8432 MDIO_PMA_REG_LRM_MODE,
8433 0);
8434 bnx2x_cl45_write(bp, phy,
8435 MDIO_PMA_DEVAD,
8436 MDIO_PMA_REG_ROM_VER2,
8437 0x128);
8438 bnx2x_cl45_write(bp, phy,
8439 MDIO_PMA_DEVAD,
8440 MDIO_PMA_REG_MISC_CTRL0,
8441 0x4008);
8442 bnx2x_cl45_write(bp, phy,
8443 MDIO_PMA_DEVAD,
8444 MDIO_PMA_REG_LRM_MODE,
8445 0xaaaa);
8446 }
8447 return 0;
8448 }
8449
bnx2x_8727_set_limiting_mode(struct bnx2x * bp,struct bnx2x_phy * phy,u16 edc_mode)8450 static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
8451 struct bnx2x_phy *phy,
8452 u16 edc_mode)
8453 {
8454 u16 phy_identifier;
8455 u16 rom_ver2_val;
8456 bnx2x_cl45_read(bp, phy,
8457 MDIO_PMA_DEVAD,
8458 MDIO_PMA_REG_PHY_IDENTIFIER,
8459 &phy_identifier);
8460
8461 bnx2x_cl45_write(bp, phy,
8462 MDIO_PMA_DEVAD,
8463 MDIO_PMA_REG_PHY_IDENTIFIER,
8464 (phy_identifier & ~(1<<9)));
8465
8466 bnx2x_cl45_read(bp, phy,
8467 MDIO_PMA_DEVAD,
8468 MDIO_PMA_REG_ROM_VER2,
8469 &rom_ver2_val);
8470 /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
8471 bnx2x_cl45_write(bp, phy,
8472 MDIO_PMA_DEVAD,
8473 MDIO_PMA_REG_ROM_VER2,
8474 (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
8475
8476 bnx2x_cl45_write(bp, phy,
8477 MDIO_PMA_DEVAD,
8478 MDIO_PMA_REG_PHY_IDENTIFIER,
8479 (phy_identifier | (1<<9)));
8480
8481 return 0;
8482 }
8483
bnx2x_8727_specific_func(struct bnx2x_phy * phy,struct link_params * params,u32 action)8484 static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
8485 struct link_params *params,
8486 u32 action)
8487 {
8488 struct bnx2x *bp = params->bp;
8489 u16 val;
8490 switch (action) {
8491 case DISABLE_TX:
8492 bnx2x_sfp_set_transmitter(params, phy, 0);
8493 break;
8494 case ENABLE_TX:
8495 if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
8496 bnx2x_sfp_set_transmitter(params, phy, 1);
8497 break;
8498 case PHY_INIT:
8499 bnx2x_cl45_write(bp, phy,
8500 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
8501 (1<<2) | (1<<5));
8502 bnx2x_cl45_write(bp, phy,
8503 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
8504 0);
8505 bnx2x_cl45_write(bp, phy,
8506 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0006);
8507 /* Make MOD_ABS give interrupt on change */
8508 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
8509 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
8510 &val);
8511 val |= (1<<12);
8512 if (phy->flags & FLAGS_NOC)
8513 val |= (3<<5);
8514 /* Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
8515 * status which reflect SFP+ module over-current
8516 */
8517 if (!(phy->flags & FLAGS_NOC))
8518 val &= 0xff8f; /* Reset bits 4-6 */
8519 bnx2x_cl45_write(bp, phy,
8520 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
8521 val);
8522 break;
8523 default:
8524 DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
8525 action);
8526 return;
8527 }
8528 }
8529
bnx2x_set_e1e2_module_fault_led(struct link_params * params,u8 gpio_mode)8530 static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
8531 u8 gpio_mode)
8532 {
8533 struct bnx2x *bp = params->bp;
8534
8535 u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
8536 offsetof(struct shmem_region,
8537 dev_info.port_hw_config[params->port].sfp_ctrl)) &
8538 PORT_HW_CFG_FAULT_MODULE_LED_MASK;
8539 switch (fault_led_gpio) {
8540 case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
8541 return;
8542 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
8543 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
8544 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
8545 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
8546 {
8547 u8 gpio_port = bnx2x_get_gpio_port(params);
8548 u16 gpio_pin = fault_led_gpio -
8549 PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
8550 DP(NETIF_MSG_LINK, "Set fault module-detected led "
8551 "pin %x port %x mode %x\n",
8552 gpio_pin, gpio_port, gpio_mode);
8553 bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
8554 }
8555 break;
8556 default:
8557 DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
8558 fault_led_gpio);
8559 }
8560 }
8561
bnx2x_set_e3_module_fault_led(struct link_params * params,u8 gpio_mode)8562 static void bnx2x_set_e3_module_fault_led(struct link_params *params,
8563 u8 gpio_mode)
8564 {
8565 u32 pin_cfg;
8566 u8 port = params->port;
8567 struct bnx2x *bp = params->bp;
8568 pin_cfg = (REG_RD(bp, params->shmem_base +
8569 offsetof(struct shmem_region,
8570 dev_info.port_hw_config[port].e3_sfp_ctrl)) &
8571 PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
8572 PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
8573 DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
8574 gpio_mode, pin_cfg);
8575 bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
8576 }
8577
bnx2x_set_sfp_module_fault_led(struct link_params * params,u8 gpio_mode)8578 static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
8579 u8 gpio_mode)
8580 {
8581 struct bnx2x *bp = params->bp;
8582 DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
8583 if (CHIP_IS_E3(bp)) {
8584 /* Low ==> if SFP+ module is supported otherwise
8585 * High ==> if SFP+ module is not on the approved vendor list
8586 */
8587 bnx2x_set_e3_module_fault_led(params, gpio_mode);
8588 } else
8589 bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
8590 }
8591
bnx2x_warpcore_hw_reset(struct bnx2x_phy * phy,struct link_params * params)8592 static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
8593 struct link_params *params)
8594 {
8595 struct bnx2x *bp = params->bp;
8596 bnx2x_warpcore_power_module(params, 0);
8597 /* Put Warpcore in low power mode */
8598 REG_WR(bp, MISC_REG_WC0_RESET, 0x0c0e);
8599
8600 /* Put LCPLL in low power mode */
8601 REG_WR(bp, MISC_REG_LCPLL_E40_PWRDWN, 1);
8602 REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_ANA, 0);
8603 REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_DIG, 0);
8604 }
8605
bnx2x_power_sfp_module(struct link_params * params,struct bnx2x_phy * phy,u8 power)8606 static void bnx2x_power_sfp_module(struct link_params *params,
8607 struct bnx2x_phy *phy,
8608 u8 power)
8609 {
8610 struct bnx2x *bp = params->bp;
8611 DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
8612
8613 switch (phy->type) {
8614 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
8615 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
8616 bnx2x_8727_power_module(params->bp, phy, power);
8617 break;
8618 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
8619 bnx2x_warpcore_power_module(params, power);
8620 break;
8621 default:
8622 break;
8623 }
8624 }
bnx2x_warpcore_set_limiting_mode(struct link_params * params,struct bnx2x_phy * phy,u16 edc_mode)8625 static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
8626 struct bnx2x_phy *phy,
8627 u16 edc_mode)
8628 {
8629 u16 val = 0;
8630 u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
8631 struct bnx2x *bp = params->bp;
8632
8633 u8 lane = bnx2x_get_warpcore_lane(phy, params);
8634 /* This is a global register which controls all lanes */
8635 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
8636 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
8637 val &= ~(0xf << (lane << 2));
8638
8639 switch (edc_mode) {
8640 case EDC_MODE_LINEAR:
8641 case EDC_MODE_LIMITING:
8642 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
8643 break;
8644 case EDC_MODE_PASSIVE_DAC:
8645 case EDC_MODE_ACTIVE_DAC:
8646 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
8647 break;
8648 default:
8649 break;
8650 }
8651
8652 val |= (mode << (lane << 2));
8653 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
8654 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
8655 /* A must read */
8656 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
8657 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
8658
8659 /* Restart microcode to re-read the new mode */
8660 bnx2x_warpcore_reset_lane(bp, phy, 1);
8661 bnx2x_warpcore_reset_lane(bp, phy, 0);
8662
8663 }
8664
bnx2x_set_limiting_mode(struct link_params * params,struct bnx2x_phy * phy,u16 edc_mode)8665 static void bnx2x_set_limiting_mode(struct link_params *params,
8666 struct bnx2x_phy *phy,
8667 u16 edc_mode)
8668 {
8669 switch (phy->type) {
8670 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
8671 bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
8672 break;
8673 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
8674 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
8675 bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
8676 break;
8677 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
8678 bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
8679 break;
8680 }
8681 }
8682
bnx2x_sfp_module_detection(struct bnx2x_phy * phy,struct link_params * params)8683 static int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
8684 struct link_params *params)
8685 {
8686 struct bnx2x *bp = params->bp;
8687 u16 edc_mode;
8688 int rc = 0;
8689
8690 u32 val = REG_RD(bp, params->shmem_base +
8691 offsetof(struct shmem_region, dev_info.
8692 port_feature_config[params->port].config));
8693 /* Enabled transmitter by default */
8694 bnx2x_sfp_set_transmitter(params, phy, 1);
8695 DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
8696 params->port);
8697 /* Power up module */
8698 bnx2x_power_sfp_module(params, phy, 1);
8699 if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
8700 DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
8701 return -EINVAL;
8702 } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
8703 /* Check SFP+ module compatibility */
8704 DP(NETIF_MSG_LINK, "Module verification failed!!\n");
8705 rc = -EINVAL;
8706 /* Turn on fault module-detected led */
8707 bnx2x_set_sfp_module_fault_led(params,
8708 MISC_REGISTERS_GPIO_HIGH);
8709
8710 /* Check if need to power down the SFP+ module */
8711 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8712 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
8713 DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
8714 bnx2x_power_sfp_module(params, phy, 0);
8715 return rc;
8716 }
8717 } else {
8718 /* Turn off fault module-detected led */
8719 bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
8720 }
8721
8722 /* Check and set limiting mode / LRM mode on 8726. On 8727 it
8723 * is done automatically
8724 */
8725 bnx2x_set_limiting_mode(params, phy, edc_mode);
8726
8727 /* Disable transmit for this module if the module is not approved, and
8728 * laser needs to be disabled.
8729 */
8730 if ((rc) &&
8731 ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8732 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER))
8733 bnx2x_sfp_set_transmitter(params, phy, 0);
8734
8735 return rc;
8736 }
8737
bnx2x_handle_module_detect_int(struct link_params * params)8738 void bnx2x_handle_module_detect_int(struct link_params *params)
8739 {
8740 struct bnx2x *bp = params->bp;
8741 struct bnx2x_phy *phy;
8742 u32 gpio_val;
8743 u8 gpio_num, gpio_port;
8744 if (CHIP_IS_E3(bp)) {
8745 phy = ¶ms->phy[INT_PHY];
8746 /* Always enable TX laser,will be disabled in case of fault */
8747 bnx2x_sfp_set_transmitter(params, phy, 1);
8748 } else {
8749 phy = ¶ms->phy[EXT_PHY1];
8750 }
8751 if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
8752 params->port, &gpio_num, &gpio_port) ==
8753 -EINVAL) {
8754 DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
8755 return;
8756 }
8757
8758 /* Set valid module led off */
8759 bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
8760
8761 /* Get current gpio val reflecting module plugged in / out*/
8762 gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
8763
8764 /* Call the handling function in case module is detected */
8765 if (gpio_val == 0) {
8766 bnx2x_set_mdio_emac_per_phy(bp, params);
8767 bnx2x_set_aer_mmd(params, phy);
8768
8769 bnx2x_power_sfp_module(params, phy, 1);
8770 bnx2x_set_gpio_int(bp, gpio_num,
8771 MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
8772 gpio_port);
8773 if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0) {
8774 bnx2x_sfp_module_detection(phy, params);
8775 if (CHIP_IS_E3(bp)) {
8776 u16 rx_tx_in_reset;
8777 /* In case WC is out of reset, reconfigure the
8778 * link speed while taking into account 1G
8779 * module limitation.
8780 */
8781 bnx2x_cl45_read(bp, phy,
8782 MDIO_WC_DEVAD,
8783 MDIO_WC_REG_DIGITAL5_MISC6,
8784 &rx_tx_in_reset);
8785 if ((!rx_tx_in_reset) &&
8786 (params->link_flags &
8787 PHY_INITIALIZED)) {
8788 bnx2x_warpcore_reset_lane(bp, phy, 1);
8789 bnx2x_warpcore_config_sfi(phy, params);
8790 bnx2x_warpcore_reset_lane(bp, phy, 0);
8791 }
8792 }
8793 } else {
8794 DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
8795 }
8796 } else {
8797 bnx2x_set_gpio_int(bp, gpio_num,
8798 MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
8799 gpio_port);
8800 /* Module was plugged out.
8801 * Disable transmit for this module
8802 */
8803 phy->media_type = ETH_PHY_NOT_PRESENT;
8804 }
8805 }
8806
8807 /******************************************************************/
8808 /* Used by 8706 and 8727 */
8809 /******************************************************************/
bnx2x_sfp_mask_fault(struct bnx2x * bp,struct bnx2x_phy * phy,u16 alarm_status_offset,u16 alarm_ctrl_offset)8810 static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
8811 struct bnx2x_phy *phy,
8812 u16 alarm_status_offset,
8813 u16 alarm_ctrl_offset)
8814 {
8815 u16 alarm_status, val;
8816 bnx2x_cl45_read(bp, phy,
8817 MDIO_PMA_DEVAD, alarm_status_offset,
8818 &alarm_status);
8819 bnx2x_cl45_read(bp, phy,
8820 MDIO_PMA_DEVAD, alarm_status_offset,
8821 &alarm_status);
8822 /* Mask or enable the fault event. */
8823 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
8824 if (alarm_status & (1<<0))
8825 val &= ~(1<<0);
8826 else
8827 val |= (1<<0);
8828 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
8829 }
8830 /******************************************************************/
8831 /* common BCM8706/BCM8726 PHY SECTION */
8832 /******************************************************************/
bnx2x_8706_8726_read_status(struct bnx2x_phy * phy,struct link_params * params,struct link_vars * vars)8833 static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
8834 struct link_params *params,
8835 struct link_vars *vars)
8836 {
8837 u8 link_up = 0;
8838 u16 val1, val2, rx_sd, pcs_status;
8839 struct bnx2x *bp = params->bp;
8840 DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
8841 /* Clear RX Alarm*/
8842 bnx2x_cl45_read(bp, phy,
8843 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
8844
8845 bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
8846 MDIO_PMA_LASI_TXCTRL);
8847
8848 /* Clear LASI indication*/
8849 bnx2x_cl45_read(bp, phy,
8850 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
8851 bnx2x_cl45_read(bp, phy,
8852 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
8853 DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
8854
8855 bnx2x_cl45_read(bp, phy,
8856 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
8857 bnx2x_cl45_read(bp, phy,
8858 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
8859 bnx2x_cl45_read(bp, phy,
8860 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
8861 bnx2x_cl45_read(bp, phy,
8862 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
8863
8864 DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
8865 " link_status 0x%x\n", rx_sd, pcs_status, val2);
8866 /* Link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
8867 * are set, or if the autoneg bit 1 is set
8868 */
8869 link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
8870 if (link_up) {
8871 if (val2 & (1<<1))
8872 vars->line_speed = SPEED_1000;
8873 else
8874 vars->line_speed = SPEED_10000;
8875 bnx2x_ext_phy_resolve_fc(phy, params, vars);
8876 vars->duplex = DUPLEX_FULL;
8877 }
8878
8879 /* Capture 10G link fault. Read twice to clear stale value. */
8880 if (vars->line_speed == SPEED_10000) {
8881 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
8882 MDIO_PMA_LASI_TXSTAT, &val1);
8883 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
8884 MDIO_PMA_LASI_TXSTAT, &val1);
8885 if (val1 & (1<<0))
8886 vars->fault_detected = 1;
8887 }
8888
8889 return link_up;
8890 }
8891
8892 /******************************************************************/
8893 /* BCM8706 PHY SECTION */
8894 /******************************************************************/
bnx2x_8706_config_init(struct bnx2x_phy * phy,struct link_params * params,struct link_vars * vars)8895 static void bnx2x_8706_config_init(struct bnx2x_phy *phy,
8896 struct link_params *params,
8897 struct link_vars *vars)
8898 {
8899 u32 tx_en_mode;
8900 u16 cnt, val, tmp1;
8901 struct bnx2x *bp = params->bp;
8902
8903 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
8904 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
8905 /* HW reset */
8906 bnx2x_ext_phy_hw_reset(bp, params->port);
8907 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
8908 bnx2x_wait_reset_complete(bp, phy, params);
8909
8910 /* Wait until fw is loaded */
8911 for (cnt = 0; cnt < 100; cnt++) {
8912 bnx2x_cl45_read(bp, phy,
8913 MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
8914 if (val)
8915 break;
8916 usleep_range(10000, 20000);
8917 }
8918 DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
8919 if ((params->feature_config_flags &
8920 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
8921 u8 i;
8922 u16 reg;
8923 for (i = 0; i < 4; i++) {
8924 reg = MDIO_XS_8706_REG_BANK_RX0 +
8925 i*(MDIO_XS_8706_REG_BANK_RX1 -
8926 MDIO_XS_8706_REG_BANK_RX0);
8927 bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
8928 /* Clear first 3 bits of the control */
8929 val &= ~0x7;
8930 /* Set control bits according to configuration */
8931 val |= (phy->rx_preemphasis[i] & 0x7);
8932 DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
8933 " reg 0x%x <-- val 0x%x\n", reg, val);
8934 bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
8935 }
8936 }
8937 /* Force speed */
8938 if (phy->req_line_speed == SPEED_10000) {
8939 DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
8940
8941 bnx2x_cl45_write(bp, phy,
8942 MDIO_PMA_DEVAD,
8943 MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
8944 bnx2x_cl45_write(bp, phy,
8945 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
8946 0);
8947 /* Arm LASI for link and Tx fault. */
8948 bnx2x_cl45_write(bp, phy,
8949 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
8950 } else {
8951 /* Force 1Gbps using autoneg with 1G advertisement */
8952
8953 /* Allow CL37 through CL73 */
8954 DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
8955 bnx2x_cl45_write(bp, phy,
8956 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
8957
8958 /* Enable Full-Duplex advertisement on CL37 */
8959 bnx2x_cl45_write(bp, phy,
8960 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
8961 /* Enable CL37 AN */
8962 bnx2x_cl45_write(bp, phy,
8963 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
8964 /* 1G support */
8965 bnx2x_cl45_write(bp, phy,
8966 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
8967
8968 /* Enable clause 73 AN */
8969 bnx2x_cl45_write(bp, phy,
8970 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
8971 bnx2x_cl45_write(bp, phy,
8972 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
8973 0x0400);
8974 bnx2x_cl45_write(bp, phy,
8975 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
8976 0x0004);
8977 }
8978 bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
8979
8980 /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
8981 * power mode, if TX Laser is disabled
8982 */
8983
8984 tx_en_mode = REG_RD(bp, params->shmem_base +
8985 offsetof(struct shmem_region,
8986 dev_info.port_hw_config[params->port].sfp_ctrl))
8987 & PORT_HW_CFG_TX_LASER_MASK;
8988
8989 if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
8990 DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
8991 bnx2x_cl45_read(bp, phy,
8992 MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
8993 tmp1 |= 0x1;
8994 bnx2x_cl45_write(bp, phy,
8995 MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
8996 }
8997 }
8998
bnx2x_8706_read_status(struct bnx2x_phy * phy,struct link_params * params,struct link_vars * vars)8999 static u8 bnx2x_8706_read_status(struct bnx2x_phy *phy,
9000 struct link_params *params,
9001 struct link_vars *vars)
9002 {
9003 return bnx2x_8706_8726_read_status(phy, params, vars);
9004 }
9005
9006 /******************************************************************/
9007 /* BCM8726 PHY SECTION */
9008 /******************************************************************/
bnx2x_8726_config_loopback(struct bnx2x_phy * phy,struct link_params * params)9009 static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
9010 struct link_params *params)
9011 {
9012 struct bnx2x *bp = params->bp;
9013 DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
9014 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
9015 }
9016
bnx2x_8726_external_rom_boot(struct bnx2x_phy * phy,struct link_params * params)9017 static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
9018 struct link_params *params)
9019 {
9020 struct bnx2x *bp = params->bp;
9021 /* Need to wait 100ms after reset */
9022 msleep(100);
9023
9024 /* Micro controller re-boot */
9025 bnx2x_cl45_write(bp, phy,
9026 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
9027
9028 /* Set soft reset */
9029 bnx2x_cl45_write(bp, phy,
9030 MDIO_PMA_DEVAD,
9031 MDIO_PMA_REG_GEN_CTRL,
9032 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
9033
9034 bnx2x_cl45_write(bp, phy,
9035 MDIO_PMA_DEVAD,
9036 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
9037
9038 bnx2x_cl45_write(bp, phy,
9039 MDIO_PMA_DEVAD,
9040 MDIO_PMA_REG_GEN_CTRL,
9041 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
9042
9043 /* Wait for 150ms for microcode load */
9044 msleep(150);
9045
9046 /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
9047 bnx2x_cl45_write(bp, phy,
9048 MDIO_PMA_DEVAD,
9049 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
9050
9051 msleep(200);
9052 bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
9053 }
9054
bnx2x_8726_read_status(struct bnx2x_phy * phy,struct link_params * params,struct link_vars * vars)9055 static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
9056 struct link_params *params,
9057 struct link_vars *vars)
9058 {
9059 struct bnx2x *bp = params->bp;
9060 u16 val1;
9061 u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
9062 if (link_up) {
9063 bnx2x_cl45_read(bp, phy,
9064 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
9065 &val1);
9066 if (val1 & (1<<15)) {
9067 DP(NETIF_MSG_LINK, "Tx is disabled\n");
9068 link_up = 0;
9069 vars->line_speed = 0;
9070 }
9071 }
9072 return link_up;
9073 }
9074
9075
bnx2x_8726_config_init(struct bnx2x_phy * phy,struct link_params * params,struct link_vars * vars)9076 static void bnx2x_8726_config_init(struct bnx2x_phy *phy,
9077 struct link_params *params,
9078 struct link_vars *vars)
9079 {
9080 struct bnx2x *bp = params->bp;
9081 DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
9082
9083 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
9084 bnx2x_wait_reset_complete(bp, phy, params);
9085
9086 bnx2x_8726_external_rom_boot(phy, params);
9087
9088 /* Need to call module detected on initialization since the module
9089 * detection triggered by actual module insertion might occur before
9090 * driver is loaded, and when driver is loaded, it reset all
9091 * registers, including the transmitter
9092 */
9093 bnx2x_sfp_module_detection(phy, params);
9094
9095 if (phy->req_line_speed == SPEED_1000) {
9096 DP(NETIF_MSG_LINK, "Setting 1G force\n");
9097 bnx2x_cl45_write(bp, phy,
9098 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
9099 bnx2x_cl45_write(bp, phy,
9100 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
9101 bnx2x_cl45_write(bp, phy,
9102 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
9103 bnx2x_cl45_write(bp, phy,
9104 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
9105 0x400);
9106 } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
9107 (phy->speed_cap_mask &
9108 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
9109 ((phy->speed_cap_mask &
9110 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
9111 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
9112 DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
9113 /* Set Flow control */
9114 bnx2x_ext_phy_set_pause(params, phy, vars);
9115 bnx2x_cl45_write(bp, phy,
9116 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
9117 bnx2x_cl45_write(bp, phy,
9118 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
9119 bnx2x_cl45_write(bp, phy,
9120 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
9121 bnx2x_cl45_write(bp, phy,
9122 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
9123 bnx2x_cl45_write(bp, phy,
9124 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
9125 /* Enable RX-ALARM control to receive interrupt for 1G speed
9126 * change
9127 */
9128 bnx2x_cl45_write(bp, phy,
9129 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
9130 bnx2x_cl45_write(bp, phy,
9131 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
9132 0x400);
9133
9134 } else { /* Default 10G. Set only LASI control */
9135 bnx2x_cl45_write(bp, phy,
9136 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
9137 }
9138
9139 /* Set TX PreEmphasis if needed */
9140 if ((params->feature_config_flags &
9141 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
9142 DP(NETIF_MSG_LINK,
9143 "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
9144 phy->tx_preemphasis[0],
9145 phy->tx_preemphasis[1]);
9146 bnx2x_cl45_write(bp, phy,
9147 MDIO_PMA_DEVAD,
9148 MDIO_PMA_REG_8726_TX_CTRL1,
9149 phy->tx_preemphasis[0]);
9150
9151 bnx2x_cl45_write(bp, phy,
9152 MDIO_PMA_DEVAD,
9153 MDIO_PMA_REG_8726_TX_CTRL2,
9154 phy->tx_preemphasis[1]);
9155 }
9156 }
9157
bnx2x_8726_link_reset(struct bnx2x_phy * phy,struct link_params * params)9158 static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
9159 struct link_params *params)
9160 {
9161 struct bnx2x *bp = params->bp;
9162 DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
9163 /* Set serial boot control for external load */
9164 bnx2x_cl45_write(bp, phy,
9165 MDIO_PMA_DEVAD,
9166 MDIO_PMA_REG_GEN_CTRL, 0x0001);
9167 }
9168
9169 /******************************************************************/
9170 /* BCM8727 PHY SECTION */
9171 /******************************************************************/
9172
bnx2x_8727_set_link_led(struct bnx2x_phy * phy,struct link_params * params,u8 mode)9173 static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
9174 struct link_params *params, u8 mode)
9175 {
9176 struct bnx2x *bp = params->bp;
9177 u16 led_mode_bitmask = 0;
9178 u16 gpio_pins_bitmask = 0;
9179 u16 val;
9180 /* Only NOC flavor requires to set the LED specifically */
9181 if (!(phy->flags & FLAGS_NOC))
9182 return;
9183 switch (mode) {
9184 case LED_MODE_FRONT_PANEL_OFF:
9185 case LED_MODE_OFF:
9186 led_mode_bitmask = 0;
9187 gpio_pins_bitmask = 0x03;
9188 break;
9189 case LED_MODE_ON:
9190 led_mode_bitmask = 0;
9191 gpio_pins_bitmask = 0x02;
9192 break;
9193 case LED_MODE_OPER:
9194 led_mode_bitmask = 0x60;
9195 gpio_pins_bitmask = 0x11;
9196 break;
9197 }
9198 bnx2x_cl45_read(bp, phy,
9199 MDIO_PMA_DEVAD,
9200 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
9201 &val);
9202 val &= 0xff8f;
9203 val |= led_mode_bitmask;
9204 bnx2x_cl45_write(bp, phy,
9205 MDIO_PMA_DEVAD,
9206 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
9207 val);
9208 bnx2x_cl45_read(bp, phy,
9209 MDIO_PMA_DEVAD,
9210 MDIO_PMA_REG_8727_GPIO_CTRL,
9211 &val);
9212 val &= 0xffe0;
9213 val |= gpio_pins_bitmask;
9214 bnx2x_cl45_write(bp, phy,
9215 MDIO_PMA_DEVAD,
9216 MDIO_PMA_REG_8727_GPIO_CTRL,
9217 val);
9218 }
bnx2x_8727_hw_reset(struct bnx2x_phy * phy,struct link_params * params)9219 static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
9220 struct link_params *params) {
9221 u32 swap_val, swap_override;
9222 u8 port;
9223 /* The PHY reset is controlled by GPIO 1. Fake the port number
9224 * to cancel the swap done in set_gpio()
9225 */
9226 struct bnx2x *bp = params->bp;
9227 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
9228 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
9229 port = (swap_val && swap_override) ^ 1;
9230 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
9231 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
9232 }
9233
bnx2x_8727_config_speed(struct bnx2x_phy * phy,struct link_params * params)9234 static void bnx2x_8727_config_speed(struct bnx2x_phy *phy,
9235 struct link_params *params)
9236 {
9237 struct bnx2x *bp = params->bp;
9238 u16 tmp1, val;
9239 /* Set option 1G speed */
9240 if ((phy->req_line_speed == SPEED_1000) ||
9241 (phy->media_type == ETH_PHY_SFP_1G_FIBER)) {
9242 DP(NETIF_MSG_LINK, "Setting 1G force\n");
9243 bnx2x_cl45_write(bp, phy,
9244 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
9245 bnx2x_cl45_write(bp, phy,
9246 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
9247 bnx2x_cl45_read(bp, phy,
9248 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
9249 DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
9250 /* Power down the XAUI until link is up in case of dual-media
9251 * and 1G
9252 */
9253 if (DUAL_MEDIA(params)) {
9254 bnx2x_cl45_read(bp, phy,
9255 MDIO_PMA_DEVAD,
9256 MDIO_PMA_REG_8727_PCS_GP, &val);
9257 val |= (3<<10);
9258 bnx2x_cl45_write(bp, phy,
9259 MDIO_PMA_DEVAD,
9260 MDIO_PMA_REG_8727_PCS_GP, val);
9261 }
9262 } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
9263 ((phy->speed_cap_mask &
9264 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
9265 ((phy->speed_cap_mask &
9266 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
9267 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
9268
9269 DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
9270 bnx2x_cl45_write(bp, phy,
9271 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
9272 bnx2x_cl45_write(bp, phy,
9273 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
9274 } else {
9275 /* Since the 8727 has only single reset pin, need to set the 10G
9276 * registers although it is default
9277 */
9278 bnx2x_cl45_write(bp, phy,
9279 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
9280 0x0020);
9281 bnx2x_cl45_write(bp, phy,
9282 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
9283 bnx2x_cl45_write(bp, phy,
9284 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
9285 bnx2x_cl45_write(bp, phy,
9286 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
9287 0x0008);
9288 }
9289 }
9290
bnx2x_8727_config_init(struct bnx2x_phy * phy,struct link_params * params,struct link_vars * vars)9291 static void bnx2x_8727_config_init(struct bnx2x_phy *phy,
9292 struct link_params *params,
9293 struct link_vars *vars)
9294 {
9295 u32 tx_en_mode;
9296 u16 tmp1, mod_abs, tmp2;
9297 struct bnx2x *bp = params->bp;
9298 /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
9299
9300 bnx2x_wait_reset_complete(bp, phy, params);
9301
9302 DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
9303
9304 bnx2x_8727_specific_func(phy, params, PHY_INIT);
9305 /* Initially configure MOD_ABS to interrupt when module is
9306 * presence( bit 8)
9307 */
9308 bnx2x_cl45_read(bp, phy,
9309 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
9310 /* Set EDC off by setting OPTXLOS signal input to low (bit 9).
9311 * When the EDC is off it locks onto a reference clock and avoids
9312 * becoming 'lost'
9313 */
9314 mod_abs &= ~(1<<8);
9315 if (!(phy->flags & FLAGS_NOC))
9316 mod_abs &= ~(1<<9);
9317 bnx2x_cl45_write(bp, phy,
9318 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
9319
9320 /* Enable/Disable PHY transmitter output */
9321 bnx2x_set_disable_pmd_transmit(params, phy, 0);
9322
9323 bnx2x_8727_power_module(bp, phy, 1);
9324
9325 bnx2x_cl45_read(bp, phy,
9326 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
9327
9328 bnx2x_cl45_read(bp, phy,
9329 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
9330
9331 bnx2x_8727_config_speed(phy, params);
9332
9333
9334 /* Set TX PreEmphasis if needed */
9335 if ((params->feature_config_flags &
9336 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
9337 DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
9338 phy->tx_preemphasis[0],
9339 phy->tx_preemphasis[1]);
9340 bnx2x_cl45_write(bp, phy,
9341 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
9342 phy->tx_preemphasis[0]);
9343
9344 bnx2x_cl45_write(bp, phy,
9345 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
9346 phy->tx_preemphasis[1]);
9347 }
9348
9349 /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
9350 * power mode, if TX Laser is disabled
9351 */
9352 tx_en_mode = REG_RD(bp, params->shmem_base +
9353 offsetof(struct shmem_region,
9354 dev_info.port_hw_config[params->port].sfp_ctrl))
9355 & PORT_HW_CFG_TX_LASER_MASK;
9356
9357 if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
9358
9359 DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
9360 bnx2x_cl45_read(bp, phy,
9361 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
9362 tmp2 |= 0x1000;
9363 tmp2 &= 0xFFEF;
9364 bnx2x_cl45_write(bp, phy,
9365 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
9366 bnx2x_cl45_read(bp, phy,
9367 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
9368 &tmp2);
9369 bnx2x_cl45_write(bp, phy,
9370 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
9371 (tmp2 & 0x7fff));
9372 }
9373 }
9374
bnx2x_8727_handle_mod_abs(struct bnx2x_phy * phy,struct link_params * params)9375 static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
9376 struct link_params *params)
9377 {
9378 struct bnx2x *bp = params->bp;
9379 u16 mod_abs, rx_alarm_status;
9380 u32 val = REG_RD(bp, params->shmem_base +
9381 offsetof(struct shmem_region, dev_info.
9382 port_feature_config[params->port].
9383 config));
9384 bnx2x_cl45_read(bp, phy,
9385 MDIO_PMA_DEVAD,
9386 MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
9387 if (mod_abs & (1<<8)) {
9388
9389 /* Module is absent */
9390 DP(NETIF_MSG_LINK,
9391 "MOD_ABS indication show module is absent\n");
9392 phy->media_type = ETH_PHY_NOT_PRESENT;
9393 /* 1. Set mod_abs to detect next module
9394 * presence event
9395 * 2. Set EDC off by setting OPTXLOS signal input to low
9396 * (bit 9).
9397 * When the EDC is off it locks onto a reference clock and
9398 * avoids becoming 'lost'.
9399 */
9400 mod_abs &= ~(1<<8);
9401 if (!(phy->flags & FLAGS_NOC))
9402 mod_abs &= ~(1<<9);
9403 bnx2x_cl45_write(bp, phy,
9404 MDIO_PMA_DEVAD,
9405 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
9406
9407 /* Clear RX alarm since it stays up as long as
9408 * the mod_abs wasn't changed
9409 */
9410 bnx2x_cl45_read(bp, phy,
9411 MDIO_PMA_DEVAD,
9412 MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
9413
9414 } else {
9415 /* Module is present */
9416 DP(NETIF_MSG_LINK,
9417 "MOD_ABS indication show module is present\n");
9418 /* First disable transmitter, and if the module is ok, the
9419 * module_detection will enable it
9420 * 1. Set mod_abs to detect next module absent event ( bit 8)
9421 * 2. Restore the default polarity of the OPRXLOS signal and
9422 * this signal will then correctly indicate the presence or
9423 * absence of the Rx signal. (bit 9)
9424 */
9425 mod_abs |= (1<<8);
9426 if (!(phy->flags & FLAGS_NOC))
9427 mod_abs |= (1<<9);
9428 bnx2x_cl45_write(bp, phy,
9429 MDIO_PMA_DEVAD,
9430 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
9431
9432 /* Clear RX alarm since it stays up as long as the mod_abs
9433 * wasn't changed. This is need to be done before calling the
9434 * module detection, otherwise it will clear* the link update
9435 * alarm
9436 */
9437 bnx2x_cl45_read(bp, phy,
9438 MDIO_PMA_DEVAD,
9439 MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
9440
9441
9442 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
9443 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
9444 bnx2x_sfp_set_transmitter(params, phy, 0);
9445
9446 if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
9447 bnx2x_sfp_module_detection(phy, params);
9448 else
9449 DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
9450
9451 /* Reconfigure link speed based on module type limitations */
9452 bnx2x_8727_config_speed(phy, params);
9453 }
9454
9455 DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
9456 rx_alarm_status);
9457 /* No need to check link status in case of module plugged in/out */
9458 }
9459
bnx2x_8727_read_status(struct bnx2x_phy * phy,struct link_params * params,struct link_vars * vars)9460 static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
9461 struct link_params *params,
9462 struct link_vars *vars)
9463
9464 {
9465 struct bnx2x *bp = params->bp;
9466 u8 link_up = 0, oc_port = params->port;
9467 u16 link_status = 0;
9468 u16 rx_alarm_status, lasi_ctrl, val1;
9469
9470 /* If PHY is not initialized, do not check link status */
9471 bnx2x_cl45_read(bp, phy,
9472 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
9473 &lasi_ctrl);
9474 if (!lasi_ctrl)
9475 return 0;
9476
9477 /* Check the LASI on Rx */
9478 bnx2x_cl45_read(bp, phy,
9479 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
9480 &rx_alarm_status);
9481 vars->line_speed = 0;
9482 DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
9483
9484 bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
9485 MDIO_PMA_LASI_TXCTRL);
9486
9487 bnx2x_cl45_read(bp, phy,
9488 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
9489
9490 DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
9491
9492 /* Clear MSG-OUT */
9493 bnx2x_cl45_read(bp, phy,
9494 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
9495
9496 /* If a module is present and there is need to check
9497 * for over current
9498 */
9499 if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
9500 /* Check over-current using 8727 GPIO0 input*/
9501 bnx2x_cl45_read(bp, phy,
9502 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
9503 &val1);
9504
9505 if ((val1 & (1<<8)) == 0) {
9506 if (!CHIP_IS_E1x(bp))
9507 oc_port = BP_PATH(bp) + (params->port << 1);
9508 DP(NETIF_MSG_LINK,
9509 "8727 Power fault has been detected on port %d\n",
9510 oc_port);
9511 netdev_err(bp->dev, "Error: Power fault on Port %d has "
9512 "been detected and the power to "
9513 "that SFP+ module has been removed "
9514 "to prevent failure of the card. "
9515 "Please remove the SFP+ module and "
9516 "restart the system to clear this "
9517 "error.\n",
9518 oc_port);
9519 /* Disable all RX_ALARMs except for mod_abs */
9520 bnx2x_cl45_write(bp, phy,
9521 MDIO_PMA_DEVAD,
9522 MDIO_PMA_LASI_RXCTRL, (1<<5));
9523
9524 bnx2x_cl45_read(bp, phy,
9525 MDIO_PMA_DEVAD,
9526 MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
9527 /* Wait for module_absent_event */
9528 val1 |= (1<<8);
9529 bnx2x_cl45_write(bp, phy,
9530 MDIO_PMA_DEVAD,
9531 MDIO_PMA_REG_PHY_IDENTIFIER, val1);
9532 /* Clear RX alarm */
9533 bnx2x_cl45_read(bp, phy,
9534 MDIO_PMA_DEVAD,
9535 MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
9536 bnx2x_8727_power_module(params->bp, phy, 0);
9537 return 0;
9538 }
9539 } /* Over current check */
9540
9541 /* When module absent bit is set, check module */
9542 if (rx_alarm_status & (1<<5)) {
9543 bnx2x_8727_handle_mod_abs(phy, params);
9544 /* Enable all mod_abs and link detection bits */
9545 bnx2x_cl45_write(bp, phy,
9546 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
9547 ((1<<5) | (1<<2)));
9548 }
9549
9550 if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
9551 DP(NETIF_MSG_LINK, "Enabling 8727 TX laser\n");
9552 bnx2x_sfp_set_transmitter(params, phy, 1);
9553 } else {
9554 DP(NETIF_MSG_LINK, "Tx is disabled\n");
9555 return 0;
9556 }
9557
9558 bnx2x_cl45_read(bp, phy,
9559 MDIO_PMA_DEVAD,
9560 MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
9561
9562 /* Bits 0..2 --> speed detected,
9563 * Bits 13..15--> link is down
9564 */
9565 if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
9566 link_up = 1;
9567 vars->line_speed = SPEED_10000;
9568 DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
9569 params->port);
9570 } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
9571 link_up = 1;
9572 vars->line_speed = SPEED_1000;
9573 DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
9574 params->port);
9575 } else {
9576 link_up = 0;
9577 DP(NETIF_MSG_LINK, "port %x: External link is down\n",
9578 params->port);
9579 }
9580
9581 /* Capture 10G link fault. */
9582 if (vars->line_speed == SPEED_10000) {
9583 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
9584 MDIO_PMA_LASI_TXSTAT, &val1);
9585
9586 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
9587 MDIO_PMA_LASI_TXSTAT, &val1);
9588
9589 if (val1 & (1<<0)) {
9590 vars->fault_detected = 1;
9591 }
9592 }
9593
9594 if (link_up) {
9595 bnx2x_ext_phy_resolve_fc(phy, params, vars);
9596 vars->duplex = DUPLEX_FULL;
9597 DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
9598 }
9599
9600 if ((DUAL_MEDIA(params)) &&
9601 (phy->req_line_speed == SPEED_1000)) {
9602 bnx2x_cl45_read(bp, phy,
9603 MDIO_PMA_DEVAD,
9604 MDIO_PMA_REG_8727_PCS_GP, &val1);
9605 /* In case of dual-media board and 1G, power up the XAUI side,
9606 * otherwise power it down. For 10G it is done automatically
9607 */
9608 if (link_up)
9609 val1 &= ~(3<<10);
9610 else
9611 val1 |= (3<<10);
9612 bnx2x_cl45_write(bp, phy,
9613 MDIO_PMA_DEVAD,
9614 MDIO_PMA_REG_8727_PCS_GP, val1);
9615 }
9616 return link_up;
9617 }
9618
bnx2x_8727_link_reset(struct bnx2x_phy * phy,struct link_params * params)9619 static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
9620 struct link_params *params)
9621 {
9622 struct bnx2x *bp = params->bp;
9623
9624 /* Enable/Disable PHY transmitter output */
9625 bnx2x_set_disable_pmd_transmit(params, phy, 1);
9626
9627 /* Disable Transmitter */
9628 bnx2x_sfp_set_transmitter(params, phy, 0);
9629 /* Clear LASI */
9630 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
9631
9632 }
9633
9634 /******************************************************************/
9635 /* BCM8481/BCM84823/BCM84833 PHY SECTION */
9636 /******************************************************************/
bnx2x_is_8483x_8485x(struct bnx2x_phy * phy)9637 static int bnx2x_is_8483x_8485x(struct bnx2x_phy *phy)
9638 {
9639 return ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
9640 (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) ||
9641 (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858));
9642 }
9643
bnx2x_save_848xx_spirom_version(struct bnx2x_phy * phy,struct bnx2x * bp,u8 port)9644 static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
9645 struct bnx2x *bp,
9646 u8 port)
9647 {
9648 u16 val, fw_ver2, cnt, i;
9649 static struct bnx2x_reg_set reg_set[] = {
9650 {MDIO_PMA_DEVAD, 0xA819, 0x0014},
9651 {MDIO_PMA_DEVAD, 0xA81A, 0xc200},
9652 {MDIO_PMA_DEVAD, 0xA81B, 0x0000},
9653 {MDIO_PMA_DEVAD, 0xA81C, 0x0300},
9654 {MDIO_PMA_DEVAD, 0xA817, 0x0009}
9655 };
9656 u16 fw_ver1;
9657
9658 if (bnx2x_is_8483x_8485x(phy)) {
9659 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
9660 if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858)
9661 fw_ver1 &= 0xfff;
9662 bnx2x_save_spirom_version(bp, port, fw_ver1, phy->ver_addr);
9663 } else {
9664 /* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */
9665 /* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
9666 for (i = 0; i < ARRAY_SIZE(reg_set); i++)
9667 bnx2x_cl45_write(bp, phy, reg_set[i].devad,
9668 reg_set[i].reg, reg_set[i].val);
9669
9670 for (cnt = 0; cnt < 100; cnt++) {
9671 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
9672 if (val & 1)
9673 break;
9674 udelay(5);
9675 }
9676 if (cnt == 100) {
9677 DP(NETIF_MSG_LINK, "Unable to read 848xx "
9678 "phy fw version(1)\n");
9679 bnx2x_save_spirom_version(bp, port, 0,
9680 phy->ver_addr);
9681 return;
9682 }
9683
9684
9685 /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
9686 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
9687 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
9688 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
9689 for (cnt = 0; cnt < 100; cnt++) {
9690 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
9691 if (val & 1)
9692 break;
9693 udelay(5);
9694 }
9695 if (cnt == 100) {
9696 DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw "
9697 "version(2)\n");
9698 bnx2x_save_spirom_version(bp, port, 0,
9699 phy->ver_addr);
9700 return;
9701 }
9702
9703 /* lower 16 bits of the register SPI_FW_STATUS */
9704 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
9705 /* upper 16 bits of register SPI_FW_STATUS */
9706 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
9707
9708 bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
9709 phy->ver_addr);
9710 }
9711
9712 }
bnx2x_848xx_set_led(struct bnx2x * bp,struct bnx2x_phy * phy)9713 static void bnx2x_848xx_set_led(struct bnx2x *bp,
9714 struct bnx2x_phy *phy)
9715 {
9716 u16 val, led3_blink_rate, offset, i;
9717 static struct bnx2x_reg_set reg_set[] = {
9718 {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED1_MASK, 0x0080},
9719 {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED2_MASK, 0x0018},
9720 {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_MASK, 0x0006},
9721 {MDIO_PMA_DEVAD, MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH,
9722 MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ},
9723 {MDIO_AN_DEVAD, 0xFFFB, 0xFFFD}
9724 };
9725
9726 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858) {
9727 /* Set LED5 source */
9728 bnx2x_cl45_write(bp, phy,
9729 MDIO_PMA_DEVAD,
9730 MDIO_PMA_REG_8481_LED5_MASK,
9731 0x90);
9732 led3_blink_rate = 0x000f;
9733 } else {
9734 led3_blink_rate = 0x0000;
9735 }
9736 /* Set LED3 BLINK */
9737 bnx2x_cl45_write(bp, phy,
9738 MDIO_PMA_DEVAD,
9739 MDIO_PMA_REG_8481_LED3_BLINK,
9740 led3_blink_rate);
9741
9742 /* PHYC_CTL_LED_CTL */
9743 bnx2x_cl45_read(bp, phy,
9744 MDIO_PMA_DEVAD,
9745 MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
9746 val &= 0xFE00;
9747 val |= 0x0092;
9748
9749 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858)
9750 val |= 2 << 12; /* LED5 ON based on source */
9751
9752 bnx2x_cl45_write(bp, phy,
9753 MDIO_PMA_DEVAD,
9754 MDIO_PMA_REG_8481_LINK_SIGNAL, val);
9755
9756 for (i = 0; i < ARRAY_SIZE(reg_set); i++)
9757 bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
9758 reg_set[i].val);
9759
9760 if (bnx2x_is_8483x_8485x(phy))
9761 offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1;
9762 else
9763 offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1;
9764
9765 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858)
9766 val = MDIO_PMA_REG_84858_ALLOW_GPHY_ACT |
9767 MDIO_PMA_REG_84823_LED3_STRETCH_EN;
9768 else
9769 val = MDIO_PMA_REG_84823_LED3_STRETCH_EN;
9770
9771 /* stretch_en for LEDs */
9772 bnx2x_cl45_read_or_write(bp, phy,
9773 MDIO_PMA_DEVAD,
9774 offset,
9775 val);
9776 }
9777
bnx2x_848xx_specific_func(struct bnx2x_phy * phy,struct link_params * params,u32 action)9778 static void bnx2x_848xx_specific_func(struct bnx2x_phy *phy,
9779 struct link_params *params,
9780 u32 action)
9781 {
9782 struct bnx2x *bp = params->bp;
9783 switch (action) {
9784 case PHY_INIT:
9785 if (bnx2x_is_8483x_8485x(phy)) {
9786 /* Save spirom version */
9787 bnx2x_save_848xx_spirom_version(phy, bp, params->port);
9788 }
9789 /* This phy uses the NIG latch mechanism since link indication
9790 * arrives through its LED4 and not via its LASI signal, so we
9791 * get steady signal instead of clear on read
9792 */
9793 bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
9794 1 << NIG_LATCH_BC_ENABLE_MI_INT);
9795
9796 bnx2x_848xx_set_led(bp, phy);
9797 break;
9798 }
9799 }
9800
bnx2x_848xx_cmn_config_init(struct bnx2x_phy * phy,struct link_params * params,struct link_vars * vars)9801 static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
9802 struct link_params *params,
9803 struct link_vars *vars)
9804 {
9805 struct bnx2x *bp = params->bp;
9806 u16 autoneg_val, an_1000_val, an_10_100_val;
9807
9808 bnx2x_848xx_specific_func(phy, params, PHY_INIT);
9809 bnx2x_cl45_write(bp, phy,
9810 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
9811
9812 /* set 1000 speed advertisement */
9813 bnx2x_cl45_read(bp, phy,
9814 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
9815 &an_1000_val);
9816
9817 bnx2x_ext_phy_set_pause(params, phy, vars);
9818 bnx2x_cl45_read(bp, phy,
9819 MDIO_AN_DEVAD,
9820 MDIO_AN_REG_8481_LEGACY_AN_ADV,
9821 &an_10_100_val);
9822 bnx2x_cl45_read(bp, phy,
9823 MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
9824 &autoneg_val);
9825 /* Disable forced speed */
9826 autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
9827 an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
9828
9829 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
9830 (phy->speed_cap_mask &
9831 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
9832 (phy->req_line_speed == SPEED_1000)) {
9833 an_1000_val |= (1<<8);
9834 autoneg_val |= (1<<9 | 1<<12);
9835 if (phy->req_duplex == DUPLEX_FULL)
9836 an_1000_val |= (1<<9);
9837 DP(NETIF_MSG_LINK, "Advertising 1G\n");
9838 } else
9839 an_1000_val &= ~((1<<8) | (1<<9));
9840
9841 bnx2x_cl45_write(bp, phy,
9842 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
9843 an_1000_val);
9844
9845 /* Set 10/100 speed advertisement */
9846 if (phy->req_line_speed == SPEED_AUTO_NEG) {
9847 if (phy->speed_cap_mask &
9848 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL) {
9849 /* Enable autoneg and restart autoneg for legacy speeds
9850 */
9851 autoneg_val |= (1<<9 | 1<<12);
9852 an_10_100_val |= (1<<8);
9853 DP(NETIF_MSG_LINK, "Advertising 100M-FD\n");
9854 }
9855
9856 if (phy->speed_cap_mask &
9857 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF) {
9858 /* Enable autoneg and restart autoneg for legacy speeds
9859 */
9860 autoneg_val |= (1<<9 | 1<<12);
9861 an_10_100_val |= (1<<7);
9862 DP(NETIF_MSG_LINK, "Advertising 100M-HD\n");
9863 }
9864
9865 if ((phy->speed_cap_mask &
9866 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
9867 (phy->supported & SUPPORTED_10baseT_Full)) {
9868 an_10_100_val |= (1<<6);
9869 autoneg_val |= (1<<9 | 1<<12);
9870 DP(NETIF_MSG_LINK, "Advertising 10M-FD\n");
9871 }
9872
9873 if ((phy->speed_cap_mask &
9874 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF) &&
9875 (phy->supported & SUPPORTED_10baseT_Half)) {
9876 an_10_100_val |= (1<<5);
9877 autoneg_val |= (1<<9 | 1<<12);
9878 DP(NETIF_MSG_LINK, "Advertising 10M-HD\n");
9879 }
9880 }
9881
9882 /* Only 10/100 are allowed to work in FORCE mode */
9883 if ((phy->req_line_speed == SPEED_100) &&
9884 (phy->supported &
9885 (SUPPORTED_100baseT_Half |
9886 SUPPORTED_100baseT_Full))) {
9887 autoneg_val |= (1<<13);
9888 /* Enabled AUTO-MDIX when autoneg is disabled */
9889 bnx2x_cl45_write(bp, phy,
9890 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
9891 (1<<15 | 1<<9 | 7<<0));
9892 /* The PHY needs this set even for forced link. */
9893 an_10_100_val |= (1<<8) | (1<<7);
9894 DP(NETIF_MSG_LINK, "Setting 100M force\n");
9895 }
9896 if ((phy->req_line_speed == SPEED_10) &&
9897 (phy->supported &
9898 (SUPPORTED_10baseT_Half |
9899 SUPPORTED_10baseT_Full))) {
9900 /* Enabled AUTO-MDIX when autoneg is disabled */
9901 bnx2x_cl45_write(bp, phy,
9902 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
9903 (1<<15 | 1<<9 | 7<<0));
9904 DP(NETIF_MSG_LINK, "Setting 10M force\n");
9905 }
9906
9907 bnx2x_cl45_write(bp, phy,
9908 MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
9909 an_10_100_val);
9910
9911 if (phy->req_duplex == DUPLEX_FULL)
9912 autoneg_val |= (1<<8);
9913
9914 /* Always write this if this is not 84833/4.
9915 * For 84833/4, write it only when it's a forced speed.
9916 */
9917 if (!bnx2x_is_8483x_8485x(phy) ||
9918 ((autoneg_val & (1<<12)) == 0))
9919 bnx2x_cl45_write(bp, phy,
9920 MDIO_AN_DEVAD,
9921 MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
9922
9923 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
9924 (phy->speed_cap_mask &
9925 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
9926 (phy->req_line_speed == SPEED_10000)) {
9927 DP(NETIF_MSG_LINK, "Advertising 10G\n");
9928 /* Restart autoneg for 10G*/
9929
9930 bnx2x_cl45_read_or_write(
9931 bp, phy,
9932 MDIO_AN_DEVAD,
9933 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
9934 0x1000);
9935 bnx2x_cl45_write(bp, phy,
9936 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
9937 0x3200);
9938 } else
9939 bnx2x_cl45_write(bp, phy,
9940 MDIO_AN_DEVAD,
9941 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
9942 1);
9943
9944 return 0;
9945 }
9946
bnx2x_8481_config_init(struct bnx2x_phy * phy,struct link_params * params,struct link_vars * vars)9947 static void bnx2x_8481_config_init(struct bnx2x_phy *phy,
9948 struct link_params *params,
9949 struct link_vars *vars)
9950 {
9951 struct bnx2x *bp = params->bp;
9952 /* Restore normal power mode*/
9953 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
9954 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
9955
9956 /* HW reset */
9957 bnx2x_ext_phy_hw_reset(bp, params->port);
9958 bnx2x_wait_reset_complete(bp, phy, params);
9959
9960 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
9961 bnx2x_848xx_cmn_config_init(phy, params, vars);
9962 }
9963
9964 #define PHY848xx_CMDHDLR_WAIT 300
9965 #define PHY848xx_CMDHDLR_MAX_ARGS 5
9966
bnx2x_84858_cmd_hdlr(struct bnx2x_phy * phy,struct link_params * params,u16 fw_cmd,u16 cmd_args[],int argc)9967 static int bnx2x_84858_cmd_hdlr(struct bnx2x_phy *phy,
9968 struct link_params *params,
9969 u16 fw_cmd,
9970 u16 cmd_args[], int argc)
9971 {
9972 int idx;
9973 u16 val;
9974 struct bnx2x *bp = params->bp;
9975
9976 /* Step 1: Poll the STATUS register to see whether the previous command
9977 * is in progress or the system is busy (CMD_IN_PROGRESS or
9978 * SYSTEM_BUSY). If previous command is in progress or system is busy,
9979 * check again until the previous command finishes execution and the
9980 * system is available for taking command
9981 */
9982
9983 for (idx = 0; idx < PHY848xx_CMDHDLR_WAIT; idx++) {
9984 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9985 MDIO_848xx_CMD_HDLR_STATUS, &val);
9986 if ((val != PHY84858_STATUS_CMD_IN_PROGRESS) &&
9987 (val != PHY84858_STATUS_CMD_SYSTEM_BUSY))
9988 break;
9989 usleep_range(1000, 2000);
9990 }
9991 if (idx >= PHY848xx_CMDHDLR_WAIT) {
9992 DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
9993 return -EINVAL;
9994 }
9995
9996 /* Step2: If any parameters are required for the function, write them
9997 * to the required DATA registers
9998 */
9999
10000 for (idx = 0; idx < argc; idx++) {
10001 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
10002 MDIO_848xx_CMD_HDLR_DATA1 + idx,
10003 cmd_args[idx]);
10004 }
10005
10006 /* Step3: When the firmware is ready for commands, write the 'Command
10007 * code' to the CMD register
10008 */
10009 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
10010 MDIO_848xx_CMD_HDLR_COMMAND, fw_cmd);
10011
10012 /* Step4: Once the command has been written, poll the STATUS register
10013 * to check whether the command has completed (CMD_COMPLETED_PASS/
10014 * CMD_FOR_CMDS or CMD_COMPLETED_ERROR).
10015 */
10016
10017 for (idx = 0; idx < PHY848xx_CMDHDLR_WAIT; idx++) {
10018 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10019 MDIO_848xx_CMD_HDLR_STATUS, &val);
10020 if ((val == PHY84858_STATUS_CMD_COMPLETE_PASS) ||
10021 (val == PHY84858_STATUS_CMD_COMPLETE_ERROR))
10022 break;
10023 usleep_range(1000, 2000);
10024 }
10025 if ((idx >= PHY848xx_CMDHDLR_WAIT) ||
10026 (val == PHY84858_STATUS_CMD_COMPLETE_ERROR)) {
10027 DP(NETIF_MSG_LINK, "FW cmd failed.\n");
10028 return -EINVAL;
10029 }
10030 /* Step5: Once the command has completed, read the specficied DATA
10031 * registers for any saved results for the command, if applicable
10032 */
10033
10034 /* Gather returning data */
10035 for (idx = 0; idx < argc; idx++) {
10036 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10037 MDIO_848xx_CMD_HDLR_DATA1 + idx,
10038 &cmd_args[idx]);
10039 }
10040
10041 return 0;
10042 }
10043
bnx2x_84833_cmd_hdlr(struct bnx2x_phy * phy,struct link_params * params,u16 fw_cmd,u16 cmd_args[],int argc,int process)10044 static int bnx2x_84833_cmd_hdlr(struct bnx2x_phy *phy,
10045 struct link_params *params, u16 fw_cmd,
10046 u16 cmd_args[], int argc, int process)
10047 {
10048 int idx;
10049 u16 val;
10050 struct bnx2x *bp = params->bp;
10051 int rc = 0;
10052
10053 if (process == PHY84833_MB_PROCESS2) {
10054 /* Write CMD_OPEN_OVERRIDE to STATUS reg */
10055 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
10056 MDIO_848xx_CMD_HDLR_STATUS,
10057 PHY84833_STATUS_CMD_OPEN_OVERRIDE);
10058 }
10059
10060 for (idx = 0; idx < PHY848xx_CMDHDLR_WAIT; idx++) {
10061 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10062 MDIO_848xx_CMD_HDLR_STATUS, &val);
10063 if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS)
10064 break;
10065 usleep_range(1000, 2000);
10066 }
10067 if (idx >= PHY848xx_CMDHDLR_WAIT) {
10068 DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
10069 /* if the status is CMD_COMPLETE_PASS or CMD_COMPLETE_ERROR
10070 * clear the status to CMD_CLEAR_COMPLETE
10071 */
10072 if (val == PHY84833_STATUS_CMD_COMPLETE_PASS ||
10073 val == PHY84833_STATUS_CMD_COMPLETE_ERROR) {
10074 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
10075 MDIO_848xx_CMD_HDLR_STATUS,
10076 PHY84833_STATUS_CMD_CLEAR_COMPLETE);
10077 }
10078 return -EINVAL;
10079 }
10080 if (process == PHY84833_MB_PROCESS1 ||
10081 process == PHY84833_MB_PROCESS2) {
10082 /* Prepare argument(s) */
10083 for (idx = 0; idx < argc; idx++) {
10084 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
10085 MDIO_848xx_CMD_HDLR_DATA1 + idx,
10086 cmd_args[idx]);
10087 }
10088 }
10089
10090 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
10091 MDIO_848xx_CMD_HDLR_COMMAND, fw_cmd);
10092 for (idx = 0; idx < PHY848xx_CMDHDLR_WAIT; idx++) {
10093 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10094 MDIO_848xx_CMD_HDLR_STATUS, &val);
10095 if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) ||
10096 (val == PHY84833_STATUS_CMD_COMPLETE_ERROR))
10097 break;
10098 usleep_range(1000, 2000);
10099 }
10100 if ((idx >= PHY848xx_CMDHDLR_WAIT) ||
10101 (val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) {
10102 DP(NETIF_MSG_LINK, "FW cmd failed.\n");
10103 rc = -EINVAL;
10104 }
10105 if (process == PHY84833_MB_PROCESS3 && rc == 0) {
10106 /* Gather returning data */
10107 for (idx = 0; idx < argc; idx++) {
10108 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10109 MDIO_848xx_CMD_HDLR_DATA1 + idx,
10110 &cmd_args[idx]);
10111 }
10112 }
10113 if (val == PHY84833_STATUS_CMD_COMPLETE_ERROR ||
10114 val == PHY84833_STATUS_CMD_COMPLETE_PASS) {
10115 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
10116 MDIO_848xx_CMD_HDLR_STATUS,
10117 PHY84833_STATUS_CMD_CLEAR_COMPLETE);
10118 }
10119 return rc;
10120 }
10121
bnx2x_848xx_cmd_hdlr(struct bnx2x_phy * phy,struct link_params * params,u16 fw_cmd,u16 cmd_args[],int argc,int process)10122 static int bnx2x_848xx_cmd_hdlr(struct bnx2x_phy *phy,
10123 struct link_params *params,
10124 u16 fw_cmd,
10125 u16 cmd_args[], int argc,
10126 int process)
10127 {
10128 struct bnx2x *bp = params->bp;
10129
10130 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858) ||
10131 (REG_RD(bp, params->shmem2_base +
10132 offsetof(struct shmem2_region,
10133 link_attr_sync[params->port])) &
10134 LINK_ATTR_84858)) {
10135 return bnx2x_84858_cmd_hdlr(phy, params, fw_cmd, cmd_args,
10136 argc);
10137 } else {
10138 return bnx2x_84833_cmd_hdlr(phy, params, fw_cmd, cmd_args,
10139 argc, process);
10140 }
10141 }
10142
bnx2x_848xx_pair_swap_cfg(struct bnx2x_phy * phy,struct link_params * params,struct link_vars * vars)10143 static int bnx2x_848xx_pair_swap_cfg(struct bnx2x_phy *phy,
10144 struct link_params *params,
10145 struct link_vars *vars)
10146 {
10147 u32 pair_swap;
10148 u16 data[PHY848xx_CMDHDLR_MAX_ARGS];
10149 int status;
10150 struct bnx2x *bp = params->bp;
10151
10152 /* Check for configuration. */
10153 pair_swap = REG_RD(bp, params->shmem_base +
10154 offsetof(struct shmem_region,
10155 dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
10156 PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
10157
10158 if (pair_swap == 0)
10159 return 0;
10160
10161 /* Only the second argument is used for this command */
10162 data[1] = (u16)pair_swap;
10163
10164 status = bnx2x_848xx_cmd_hdlr(phy, params,
10165 PHY848xx_CMD_SET_PAIR_SWAP, data,
10166 2, PHY84833_MB_PROCESS2);
10167 if (status == 0)
10168 DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data[1]);
10169
10170 return status;
10171 }
10172
bnx2x_84833_get_reset_gpios(struct bnx2x * bp,u32 shmem_base_path[],u32 chip_id)10173 static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
10174 u32 shmem_base_path[],
10175 u32 chip_id)
10176 {
10177 u32 reset_pin[2];
10178 u32 idx;
10179 u8 reset_gpios;
10180 if (CHIP_IS_E3(bp)) {
10181 /* Assume that these will be GPIOs, not EPIOs. */
10182 for (idx = 0; idx < 2; idx++) {
10183 /* Map config param to register bit. */
10184 reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
10185 offsetof(struct shmem_region,
10186 dev_info.port_hw_config[0].e3_cmn_pin_cfg));
10187 reset_pin[idx] = (reset_pin[idx] &
10188 PORT_HW_CFG_E3_PHY_RESET_MASK) >>
10189 PORT_HW_CFG_E3_PHY_RESET_SHIFT;
10190 reset_pin[idx] -= PIN_CFG_GPIO0_P0;
10191 reset_pin[idx] = (1 << reset_pin[idx]);
10192 }
10193 reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
10194 } else {
10195 /* E2, look from diff place of shmem. */
10196 for (idx = 0; idx < 2; idx++) {
10197 reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
10198 offsetof(struct shmem_region,
10199 dev_info.port_hw_config[0].default_cfg));
10200 reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
10201 reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
10202 reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
10203 reset_pin[idx] = (1 << reset_pin[idx]);
10204 }
10205 reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
10206 }
10207
10208 return reset_gpios;
10209 }
10210
bnx2x_84833_hw_reset_phy(struct bnx2x_phy * phy,struct link_params * params)10211 static void bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
10212 struct link_params *params)
10213 {
10214 struct bnx2x *bp = params->bp;
10215 u8 reset_gpios;
10216 u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
10217 offsetof(struct shmem2_region,
10218 other_shmem_base_addr));
10219
10220 u32 shmem_base_path[2];
10221
10222 /* Work around for 84833 LED failure inside RESET status */
10223 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
10224 MDIO_AN_REG_8481_LEGACY_MII_CTRL,
10225 MDIO_AN_REG_8481_MII_CTRL_FORCE_1G);
10226 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
10227 MDIO_AN_REG_8481_1G_100T_EXT_CTRL,
10228 MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF);
10229
10230 shmem_base_path[0] = params->shmem_base;
10231 shmem_base_path[1] = other_shmem_base_addr;
10232
10233 reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
10234 params->chip_id);
10235
10236 bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
10237 udelay(10);
10238 DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
10239 reset_gpios);
10240 }
10241
bnx2x_8483x_disable_eee(struct bnx2x_phy * phy,struct link_params * params,struct link_vars * vars)10242 static int bnx2x_8483x_disable_eee(struct bnx2x_phy *phy,
10243 struct link_params *params,
10244 struct link_vars *vars)
10245 {
10246 int rc;
10247 struct bnx2x *bp = params->bp;
10248 u16 cmd_args = 0;
10249
10250 DP(NETIF_MSG_LINK, "Don't Advertise 10GBase-T EEE\n");
10251
10252 /* Prevent Phy from working in EEE and advertising it */
10253 rc = bnx2x_848xx_cmd_hdlr(phy, params, PHY848xx_CMD_SET_EEE_MODE,
10254 &cmd_args, 1, PHY84833_MB_PROCESS1);
10255 if (rc) {
10256 DP(NETIF_MSG_LINK, "EEE disable failed.\n");
10257 return rc;
10258 }
10259
10260 return bnx2x_eee_disable(phy, params, vars);
10261 }
10262
bnx2x_8483x_enable_eee(struct bnx2x_phy * phy,struct link_params * params,struct link_vars * vars)10263 static int bnx2x_8483x_enable_eee(struct bnx2x_phy *phy,
10264 struct link_params *params,
10265 struct link_vars *vars)
10266 {
10267 int rc;
10268 struct bnx2x *bp = params->bp;
10269 u16 cmd_args = 1;
10270
10271 rc = bnx2x_848xx_cmd_hdlr(phy, params, PHY848xx_CMD_SET_EEE_MODE,
10272 &cmd_args, 1, PHY84833_MB_PROCESS1);
10273 if (rc) {
10274 DP(NETIF_MSG_LINK, "EEE enable failed.\n");
10275 return rc;
10276 }
10277
10278 return bnx2x_eee_advertise(phy, params, vars, SHMEM_EEE_10G_ADV);
10279 }
10280
10281 #define PHY84833_CONSTANT_LATENCY 1193
bnx2x_848x3_config_init(struct bnx2x_phy * phy,struct link_params * params,struct link_vars * vars)10282 static void bnx2x_848x3_config_init(struct bnx2x_phy *phy,
10283 struct link_params *params,
10284 struct link_vars *vars)
10285 {
10286 struct bnx2x *bp = params->bp;
10287 u8 port, initialize = 1;
10288 u16 val;
10289 u32 actual_phy_selection;
10290 u16 cmd_args[PHY848xx_CMDHDLR_MAX_ARGS];
10291 int rc = 0;
10292
10293 usleep_range(1000, 2000);
10294
10295 if (!(CHIP_IS_E1x(bp)))
10296 port = BP_PATH(bp);
10297 else
10298 port = params->port;
10299
10300 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
10301 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
10302 MISC_REGISTERS_GPIO_OUTPUT_HIGH,
10303 port);
10304 } else {
10305 /* MDIO reset */
10306 bnx2x_cl45_write(bp, phy,
10307 MDIO_PMA_DEVAD,
10308 MDIO_PMA_REG_CTRL, 0x8000);
10309 }
10310
10311 bnx2x_wait_reset_complete(bp, phy, params);
10312
10313 /* Wait for GPHY to come out of reset */
10314 msleep(50);
10315 if (!bnx2x_is_8483x_8485x(phy)) {
10316 /* BCM84823 requires that XGXS links up first @ 10G for normal
10317 * behavior.
10318 */
10319 u16 temp;
10320 temp = vars->line_speed;
10321 vars->line_speed = SPEED_10000;
10322 bnx2x_set_autoneg(¶ms->phy[INT_PHY], params, vars, 0);
10323 bnx2x_program_serdes(¶ms->phy[INT_PHY], params, vars);
10324 vars->line_speed = temp;
10325 }
10326 /* Check if this is actually BCM84858 */
10327 if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858) {
10328 u16 hw_rev;
10329
10330 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10331 MDIO_AN_REG_848xx_ID_MSB, &hw_rev);
10332 if (hw_rev == BCM84858_PHY_ID) {
10333 params->link_attr_sync |= LINK_ATTR_84858;
10334 bnx2x_update_link_attr(params, params->link_attr_sync);
10335 }
10336 }
10337
10338 /* Set dual-media configuration according to configuration */
10339 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10340 MDIO_CTL_REG_84823_MEDIA, &val);
10341 val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
10342 MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
10343 MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
10344 MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
10345 MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
10346
10347 if (CHIP_IS_E3(bp)) {
10348 val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
10349 MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
10350 } else {
10351 val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
10352 MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
10353 }
10354
10355 actual_phy_selection = bnx2x_phy_selection(params);
10356
10357 switch (actual_phy_selection) {
10358 case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
10359 /* Do nothing. Essentially this is like the priority copper */
10360 break;
10361 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
10362 val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
10363 break;
10364 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
10365 val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
10366 break;
10367 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
10368 /* Do nothing here. The first PHY won't be initialized at all */
10369 break;
10370 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
10371 val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
10372 initialize = 0;
10373 break;
10374 }
10375 if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
10376 val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
10377
10378 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
10379 MDIO_CTL_REG_84823_MEDIA, val);
10380 DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
10381 params->multi_phy_config, val);
10382
10383 if (bnx2x_is_8483x_8485x(phy)) {
10384 bnx2x_848xx_pair_swap_cfg(phy, params, vars);
10385
10386 /* Keep AutogrEEEn disabled. */
10387 cmd_args[0] = 0x0;
10388 cmd_args[1] = 0x0;
10389 cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1;
10390 cmd_args[3] = PHY84833_CONSTANT_LATENCY;
10391 rc = bnx2x_848xx_cmd_hdlr(phy, params,
10392 PHY848xx_CMD_SET_EEE_MODE, cmd_args,
10393 4, PHY84833_MB_PROCESS1);
10394 if (rc)
10395 DP(NETIF_MSG_LINK, "Cfg AutogrEEEn failed.\n");
10396 }
10397 if (initialize)
10398 rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
10399 else
10400 bnx2x_save_848xx_spirom_version(phy, bp, params->port);
10401 /* 84833 PHY has a better feature and doesn't need to support this. */
10402 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
10403 u32 cms_enable = REG_RD(bp, params->shmem_base +
10404 offsetof(struct shmem_region,
10405 dev_info.port_hw_config[params->port].default_cfg)) &
10406 PORT_HW_CFG_ENABLE_CMS_MASK;
10407
10408 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10409 MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
10410 if (cms_enable)
10411 val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
10412 else
10413 val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
10414 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
10415 MDIO_CTL_REG_84823_USER_CTRL_REG, val);
10416 }
10417
10418 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10419 MDIO_84833_TOP_CFG_FW_REV, &val);
10420
10421 /* Configure EEE support */
10422 if ((val >= MDIO_84833_TOP_CFG_FW_EEE) &&
10423 (val != MDIO_84833_TOP_CFG_FW_NO_EEE) &&
10424 bnx2x_eee_has_cap(params)) {
10425 rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_10G_ADV);
10426 if (rc) {
10427 DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
10428 bnx2x_8483x_disable_eee(phy, params, vars);
10429 return;
10430 }
10431
10432 if ((phy->req_duplex == DUPLEX_FULL) &&
10433 (params->eee_mode & EEE_MODE_ADV_LPI) &&
10434 (bnx2x_eee_calc_timer(params) ||
10435 !(params->eee_mode & EEE_MODE_ENABLE_LPI)))
10436 rc = bnx2x_8483x_enable_eee(phy, params, vars);
10437 else
10438 rc = bnx2x_8483x_disable_eee(phy, params, vars);
10439 if (rc) {
10440 DP(NETIF_MSG_LINK, "Failed to set EEE advertisement\n");
10441 return;
10442 }
10443 } else {
10444 vars->eee_status &= ~SHMEM_EEE_SUPPORTED_MASK;
10445 }
10446
10447 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
10448 /* Additional settings for jumbo packets in 1000BASE-T mode */
10449 /* Allow rx extended length */
10450 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10451 MDIO_AN_REG_8481_AUX_CTRL, &val);
10452 val |= 0x4000;
10453 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
10454 MDIO_AN_REG_8481_AUX_CTRL, val);
10455 /* TX FIFO Elasticity LSB */
10456 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10457 MDIO_AN_REG_8481_1G_100T_EXT_CTRL, &val);
10458 val |= 0x1;
10459 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
10460 MDIO_AN_REG_8481_1G_100T_EXT_CTRL, val);
10461 /* TX FIFO Elasticity MSB */
10462 /* Enable expansion register 0x46 (Pattern Generator status) */
10463 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
10464 MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf46);
10465
10466 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10467 MDIO_AN_REG_8481_EXPANSION_REG_RD_RW, &val);
10468 val |= 0x4000;
10469 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
10470 MDIO_AN_REG_8481_EXPANSION_REG_RD_RW, val);
10471 }
10472
10473 if (bnx2x_is_8483x_8485x(phy)) {
10474 /* Bring PHY out of super isolate mode as the final step. */
10475 bnx2x_cl45_read_and_write(bp, phy,
10476 MDIO_CTL_DEVAD,
10477 MDIO_84833_TOP_CFG_XGPHY_STRAP1,
10478 (u16)~MDIO_84833_SUPER_ISOLATE);
10479 }
10480 }
10481
bnx2x_848xx_read_status(struct bnx2x_phy * phy,struct link_params * params,struct link_vars * vars)10482 static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
10483 struct link_params *params,
10484 struct link_vars *vars)
10485 {
10486 struct bnx2x *bp = params->bp;
10487 u16 val, val1, val2;
10488 u8 link_up = 0;
10489
10490
10491 /* Check 10G-BaseT link status */
10492 /* Check PMD signal ok */
10493 bnx2x_cl45_read(bp, phy,
10494 MDIO_AN_DEVAD, 0xFFFA, &val1);
10495 bnx2x_cl45_read(bp, phy,
10496 MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
10497 &val2);
10498 DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
10499
10500 /* Check link 10G */
10501 if (val2 & (1<<11)) {
10502 vars->line_speed = SPEED_10000;
10503 vars->duplex = DUPLEX_FULL;
10504 link_up = 1;
10505 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
10506 } else { /* Check Legacy speed link */
10507 u16 legacy_status, legacy_speed;
10508
10509 /* Enable expansion register 0x42 (Operation mode status) */
10510 bnx2x_cl45_write(bp, phy,
10511 MDIO_AN_DEVAD,
10512 MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
10513
10514 /* Get legacy speed operation status */
10515 bnx2x_cl45_read(bp, phy,
10516 MDIO_AN_DEVAD,
10517 MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
10518 &legacy_status);
10519
10520 DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
10521 legacy_status);
10522 link_up = ((legacy_status & (1<<11)) == (1<<11));
10523 legacy_speed = (legacy_status & (3<<9));
10524 if (legacy_speed == (0<<9))
10525 vars->line_speed = SPEED_10;
10526 else if (legacy_speed == (1<<9))
10527 vars->line_speed = SPEED_100;
10528 else if (legacy_speed == (2<<9))
10529 vars->line_speed = SPEED_1000;
10530 else { /* Should not happen: Treat as link down */
10531 vars->line_speed = 0;
10532 link_up = 0;
10533 }
10534
10535 if (link_up) {
10536 if (legacy_status & (1<<8))
10537 vars->duplex = DUPLEX_FULL;
10538 else
10539 vars->duplex = DUPLEX_HALF;
10540
10541 DP(NETIF_MSG_LINK,
10542 "Link is up in %dMbps, is_duplex_full= %d\n",
10543 vars->line_speed,
10544 (vars->duplex == DUPLEX_FULL));
10545 /* Check legacy speed AN resolution */
10546 bnx2x_cl45_read(bp, phy,
10547 MDIO_AN_DEVAD,
10548 MDIO_AN_REG_8481_LEGACY_MII_STATUS,
10549 &val);
10550 if (val & (1<<5))
10551 vars->link_status |=
10552 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
10553 bnx2x_cl45_read(bp, phy,
10554 MDIO_AN_DEVAD,
10555 MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
10556 &val);
10557 if ((val & (1<<0)) == 0)
10558 vars->link_status |=
10559 LINK_STATUS_PARALLEL_DETECTION_USED;
10560 }
10561 }
10562 if (link_up) {
10563 DP(NETIF_MSG_LINK, "BCM848x3: link speed is %d\n",
10564 vars->line_speed);
10565 bnx2x_ext_phy_resolve_fc(phy, params, vars);
10566
10567 /* Read LP advertised speeds */
10568 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10569 MDIO_AN_REG_CL37_FC_LP, &val);
10570 if (val & (1<<5))
10571 vars->link_status |=
10572 LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
10573 if (val & (1<<6))
10574 vars->link_status |=
10575 LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
10576 if (val & (1<<7))
10577 vars->link_status |=
10578 LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
10579 if (val & (1<<8))
10580 vars->link_status |=
10581 LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
10582 if (val & (1<<9))
10583 vars->link_status |=
10584 LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
10585
10586 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10587 MDIO_AN_REG_1000T_STATUS, &val);
10588
10589 if (val & (1<<10))
10590 vars->link_status |=
10591 LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
10592 if (val & (1<<11))
10593 vars->link_status |=
10594 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
10595
10596 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10597 MDIO_AN_REG_MASTER_STATUS, &val);
10598
10599 if (val & (1<<11))
10600 vars->link_status |=
10601 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
10602
10603 /* Determine if EEE was negotiated */
10604 if (bnx2x_is_8483x_8485x(phy))
10605 bnx2x_eee_an_resolve(phy, params, vars);
10606 }
10607
10608 return link_up;
10609 }
10610
bnx2x_8485x_format_ver(u32 raw_ver,u8 * str,u16 * len)10611 static int bnx2x_8485x_format_ver(u32 raw_ver, u8 *str, u16 *len)
10612 {
10613 u32 num;
10614
10615 num = ((raw_ver & 0xF80) >> 7) << 16 | ((raw_ver & 0x7F) << 8) |
10616 ((raw_ver & 0xF000) >> 12);
10617 return bnx2x_3_seq_format_ver(num, str, len);
10618 }
10619
bnx2x_848xx_format_ver(u32 raw_ver,u8 * str,u16 * len)10620 static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
10621 {
10622 u32 spirom_ver;
10623
10624 spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
10625 return bnx2x_format_ver(spirom_ver, str, len);
10626 }
10627
bnx2x_8481_hw_reset(struct bnx2x_phy * phy,struct link_params * params)10628 static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
10629 struct link_params *params)
10630 {
10631 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
10632 MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
10633 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
10634 MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
10635 }
10636
bnx2x_8481_link_reset(struct bnx2x_phy * phy,struct link_params * params)10637 static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
10638 struct link_params *params)
10639 {
10640 bnx2x_cl45_write(params->bp, phy,
10641 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
10642 bnx2x_cl45_write(params->bp, phy,
10643 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
10644 }
10645
bnx2x_848x3_link_reset(struct bnx2x_phy * phy,struct link_params * params)10646 static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
10647 struct link_params *params)
10648 {
10649 struct bnx2x *bp = params->bp;
10650 u8 port;
10651 u16 val16;
10652
10653 if (!(CHIP_IS_E1x(bp)))
10654 port = BP_PATH(bp);
10655 else
10656 port = params->port;
10657
10658 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
10659 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
10660 MISC_REGISTERS_GPIO_OUTPUT_LOW,
10661 port);
10662 } else {
10663 bnx2x_cl45_read(bp, phy,
10664 MDIO_CTL_DEVAD,
10665 MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16);
10666 val16 |= MDIO_84833_SUPER_ISOLATE;
10667 bnx2x_cl45_write(bp, phy,
10668 MDIO_CTL_DEVAD,
10669 MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16);
10670 }
10671 }
10672
bnx2x_848xx_set_link_led(struct bnx2x_phy * phy,struct link_params * params,u8 mode)10673 static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
10674 struct link_params *params, u8 mode)
10675 {
10676 struct bnx2x *bp = params->bp;
10677 u16 val;
10678 u8 port;
10679
10680 if (!(CHIP_IS_E1x(bp)))
10681 port = BP_PATH(bp);
10682 else
10683 port = params->port;
10684
10685 switch (mode) {
10686 case LED_MODE_OFF:
10687
10688 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
10689
10690 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10691 SHARED_HW_CFG_LED_EXTPHY1) {
10692
10693 /* Set LED masks */
10694 bnx2x_cl45_write(bp, phy,
10695 MDIO_PMA_DEVAD,
10696 MDIO_PMA_REG_8481_LED1_MASK,
10697 0x0);
10698
10699 bnx2x_cl45_write(bp, phy,
10700 MDIO_PMA_DEVAD,
10701 MDIO_PMA_REG_8481_LED2_MASK,
10702 0x0);
10703
10704 bnx2x_cl45_write(bp, phy,
10705 MDIO_PMA_DEVAD,
10706 MDIO_PMA_REG_8481_LED3_MASK,
10707 0x0);
10708
10709 bnx2x_cl45_write(bp, phy,
10710 MDIO_PMA_DEVAD,
10711 MDIO_PMA_REG_8481_LED5_MASK,
10712 0x0);
10713
10714 } else {
10715 /* LED 1 OFF */
10716 bnx2x_cl45_write(bp, phy,
10717 MDIO_PMA_DEVAD,
10718 MDIO_PMA_REG_8481_LED1_MASK,
10719 0x0);
10720
10721 if (phy->type ==
10722 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858) {
10723 /* LED 2 OFF */
10724 bnx2x_cl45_write(bp, phy,
10725 MDIO_PMA_DEVAD,
10726 MDIO_PMA_REG_8481_LED2_MASK,
10727 0x0);
10728 /* LED 3 OFF */
10729 bnx2x_cl45_write(bp, phy,
10730 MDIO_PMA_DEVAD,
10731 MDIO_PMA_REG_8481_LED3_MASK,
10732 0x0);
10733 }
10734 }
10735 break;
10736 case LED_MODE_FRONT_PANEL_OFF:
10737
10738 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
10739 port);
10740
10741 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10742 SHARED_HW_CFG_LED_EXTPHY1) {
10743
10744 /* Set LED masks */
10745 bnx2x_cl45_write(bp, phy,
10746 MDIO_PMA_DEVAD,
10747 MDIO_PMA_REG_8481_LED1_MASK,
10748 0x0);
10749
10750 bnx2x_cl45_write(bp, phy,
10751 MDIO_PMA_DEVAD,
10752 MDIO_PMA_REG_8481_LED2_MASK,
10753 0x0);
10754
10755 bnx2x_cl45_write(bp, phy,
10756 MDIO_PMA_DEVAD,
10757 MDIO_PMA_REG_8481_LED3_MASK,
10758 0x0);
10759
10760 bnx2x_cl45_write(bp, phy,
10761 MDIO_PMA_DEVAD,
10762 MDIO_PMA_REG_8481_LED5_MASK,
10763 0x20);
10764
10765 } else {
10766 bnx2x_cl45_write(bp, phy,
10767 MDIO_PMA_DEVAD,
10768 MDIO_PMA_REG_8481_LED1_MASK,
10769 0x0);
10770 if (phy->type ==
10771 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
10772 /* Disable MI_INT interrupt before setting LED4
10773 * source to constant off.
10774 */
10775 if (REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
10776 params->port*4) &
10777 NIG_MASK_MI_INT) {
10778 params->link_flags |=
10779 LINK_FLAGS_INT_DISABLED;
10780
10781 bnx2x_bits_dis(
10782 bp,
10783 NIG_REG_MASK_INTERRUPT_PORT0 +
10784 params->port*4,
10785 NIG_MASK_MI_INT);
10786 }
10787 bnx2x_cl45_write(bp, phy,
10788 MDIO_PMA_DEVAD,
10789 MDIO_PMA_REG_8481_SIGNAL_MASK,
10790 0x0);
10791 }
10792 if (phy->type ==
10793 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858) {
10794 /* LED 2 OFF */
10795 bnx2x_cl45_write(bp, phy,
10796 MDIO_PMA_DEVAD,
10797 MDIO_PMA_REG_8481_LED2_MASK,
10798 0x0);
10799 /* LED 3 OFF */
10800 bnx2x_cl45_write(bp, phy,
10801 MDIO_PMA_DEVAD,
10802 MDIO_PMA_REG_8481_LED3_MASK,
10803 0x0);
10804 }
10805 }
10806 break;
10807 case LED_MODE_ON:
10808
10809 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
10810
10811 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10812 SHARED_HW_CFG_LED_EXTPHY1) {
10813 /* Set control reg */
10814 bnx2x_cl45_read(bp, phy,
10815 MDIO_PMA_DEVAD,
10816 MDIO_PMA_REG_8481_LINK_SIGNAL,
10817 &val);
10818 val &= 0x8000;
10819 val |= 0x2492;
10820
10821 bnx2x_cl45_write(bp, phy,
10822 MDIO_PMA_DEVAD,
10823 MDIO_PMA_REG_8481_LINK_SIGNAL,
10824 val);
10825
10826 /* Set LED masks */
10827 bnx2x_cl45_write(bp, phy,
10828 MDIO_PMA_DEVAD,
10829 MDIO_PMA_REG_8481_LED1_MASK,
10830 0x0);
10831
10832 bnx2x_cl45_write(bp, phy,
10833 MDIO_PMA_DEVAD,
10834 MDIO_PMA_REG_8481_LED2_MASK,
10835 0x20);
10836
10837 bnx2x_cl45_write(bp, phy,
10838 MDIO_PMA_DEVAD,
10839 MDIO_PMA_REG_8481_LED3_MASK,
10840 0x20);
10841
10842 bnx2x_cl45_write(bp, phy,
10843 MDIO_PMA_DEVAD,
10844 MDIO_PMA_REG_8481_LED5_MASK,
10845 0x0);
10846 } else {
10847 bnx2x_cl45_write(bp, phy,
10848 MDIO_PMA_DEVAD,
10849 MDIO_PMA_REG_8481_LED1_MASK,
10850 0x20);
10851 if (phy->type ==
10852 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
10853 /* Disable MI_INT interrupt before setting LED4
10854 * source to constant on.
10855 */
10856 if (REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
10857 params->port*4) &
10858 NIG_MASK_MI_INT) {
10859 params->link_flags |=
10860 LINK_FLAGS_INT_DISABLED;
10861
10862 bnx2x_bits_dis(
10863 bp,
10864 NIG_REG_MASK_INTERRUPT_PORT0 +
10865 params->port*4,
10866 NIG_MASK_MI_INT);
10867 }
10868 }
10869 if (phy->type ==
10870 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858) {
10871 /* Tell LED3 to constant on */
10872 bnx2x_cl45_read(bp, phy,
10873 MDIO_PMA_DEVAD,
10874 MDIO_PMA_REG_8481_LINK_SIGNAL,
10875 &val);
10876 val &= ~(7<<6);
10877 val |= (2<<6); /* A83B[8:6]= 2 */
10878 bnx2x_cl45_write(bp, phy,
10879 MDIO_PMA_DEVAD,
10880 MDIO_PMA_REG_8481_LINK_SIGNAL,
10881 val);
10882 bnx2x_cl45_write(bp, phy,
10883 MDIO_PMA_DEVAD,
10884 MDIO_PMA_REG_8481_LED3_MASK,
10885 0x20);
10886 } else {
10887 bnx2x_cl45_write(bp, phy,
10888 MDIO_PMA_DEVAD,
10889 MDIO_PMA_REG_8481_SIGNAL_MASK,
10890 0x20);
10891 }
10892 }
10893 break;
10894
10895 case LED_MODE_OPER:
10896
10897 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
10898
10899 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10900 SHARED_HW_CFG_LED_EXTPHY1) {
10901
10902 /* Set control reg */
10903 bnx2x_cl45_read(bp, phy,
10904 MDIO_PMA_DEVAD,
10905 MDIO_PMA_REG_8481_LINK_SIGNAL,
10906 &val);
10907
10908 if (!((val &
10909 MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
10910 >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
10911 DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
10912 bnx2x_cl45_write(bp, phy,
10913 MDIO_PMA_DEVAD,
10914 MDIO_PMA_REG_8481_LINK_SIGNAL,
10915 0xa492);
10916 }
10917
10918 /* Set LED masks */
10919 bnx2x_cl45_write(bp, phy,
10920 MDIO_PMA_DEVAD,
10921 MDIO_PMA_REG_8481_LED1_MASK,
10922 0x10);
10923
10924 bnx2x_cl45_write(bp, phy,
10925 MDIO_PMA_DEVAD,
10926 MDIO_PMA_REG_8481_LED2_MASK,
10927 0x80);
10928
10929 bnx2x_cl45_write(bp, phy,
10930 MDIO_PMA_DEVAD,
10931 MDIO_PMA_REG_8481_LED3_MASK,
10932 0x98);
10933
10934 bnx2x_cl45_write(bp, phy,
10935 MDIO_PMA_DEVAD,
10936 MDIO_PMA_REG_8481_LED5_MASK,
10937 0x40);
10938
10939 } else {
10940 /* EXTPHY2 LED mode indicate that the 100M/1G/10G LED
10941 * sources are all wired through LED1, rather than only
10942 * 10G in other modes.
10943 */
10944 val = ((params->hw_led_mode <<
10945 SHARED_HW_CFG_LED_MODE_SHIFT) ==
10946 SHARED_HW_CFG_LED_EXTPHY2) ? 0x98 : 0x80;
10947
10948 bnx2x_cl45_write(bp, phy,
10949 MDIO_PMA_DEVAD,
10950 MDIO_PMA_REG_8481_LED1_MASK,
10951 val);
10952
10953 /* Tell LED3 to blink on source */
10954 bnx2x_cl45_read(bp, phy,
10955 MDIO_PMA_DEVAD,
10956 MDIO_PMA_REG_8481_LINK_SIGNAL,
10957 &val);
10958 val &= ~(7<<6);
10959 val |= (1<<6); /* A83B[8:6]= 1 */
10960 bnx2x_cl45_write(bp, phy,
10961 MDIO_PMA_DEVAD,
10962 MDIO_PMA_REG_8481_LINK_SIGNAL,
10963 val);
10964 if (phy->type ==
10965 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858) {
10966 bnx2x_cl45_write(bp, phy,
10967 MDIO_PMA_DEVAD,
10968 MDIO_PMA_REG_8481_LED2_MASK,
10969 0x18);
10970 bnx2x_cl45_write(bp, phy,
10971 MDIO_PMA_DEVAD,
10972 MDIO_PMA_REG_8481_LED3_MASK,
10973 0x06);
10974 }
10975 if (phy->type ==
10976 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
10977 /* Restore LED4 source to external link,
10978 * and re-enable interrupts.
10979 */
10980 bnx2x_cl45_write(bp, phy,
10981 MDIO_PMA_DEVAD,
10982 MDIO_PMA_REG_8481_SIGNAL_MASK,
10983 0x40);
10984 if (params->link_flags &
10985 LINK_FLAGS_INT_DISABLED) {
10986 bnx2x_link_int_enable(params);
10987 params->link_flags &=
10988 ~LINK_FLAGS_INT_DISABLED;
10989 }
10990 }
10991 }
10992 break;
10993 }
10994
10995 /* This is a workaround for E3+84833 until autoneg
10996 * restart is fixed in f/w
10997 */
10998 if (CHIP_IS_E3(bp)) {
10999 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
11000 MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
11001 }
11002 }
11003
11004 /******************************************************************/
11005 /* 54618SE PHY SECTION */
11006 /******************************************************************/
bnx2x_54618se_specific_func(struct bnx2x_phy * phy,struct link_params * params,u32 action)11007 static void bnx2x_54618se_specific_func(struct bnx2x_phy *phy,
11008 struct link_params *params,
11009 u32 action)
11010 {
11011 struct bnx2x *bp = params->bp;
11012 u16 temp;
11013 switch (action) {
11014 case PHY_INIT:
11015 /* Configure LED4: set to INTR (0x6). */
11016 /* Accessing shadow register 0xe. */
11017 bnx2x_cl22_write(bp, phy,
11018 MDIO_REG_GPHY_SHADOW,
11019 MDIO_REG_GPHY_SHADOW_LED_SEL2);
11020 bnx2x_cl22_read(bp, phy,
11021 MDIO_REG_GPHY_SHADOW,
11022 &temp);
11023 temp &= ~(0xf << 4);
11024 temp |= (0x6 << 4);
11025 bnx2x_cl22_write(bp, phy,
11026 MDIO_REG_GPHY_SHADOW,
11027 MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
11028 /* Configure INTR based on link status change. */
11029 bnx2x_cl22_write(bp, phy,
11030 MDIO_REG_INTR_MASK,
11031 ~MDIO_REG_INTR_MASK_LINK_STATUS);
11032 break;
11033 }
11034 }
11035
bnx2x_54618se_config_init(struct bnx2x_phy * phy,struct link_params * params,struct link_vars * vars)11036 static void bnx2x_54618se_config_init(struct bnx2x_phy *phy,
11037 struct link_params *params,
11038 struct link_vars *vars)
11039 {
11040 struct bnx2x *bp = params->bp;
11041 u8 port;
11042 u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
11043 u32 cfg_pin;
11044
11045 DP(NETIF_MSG_LINK, "54618SE cfg init\n");
11046 usleep_range(1000, 2000);
11047
11048 /* This works with E3 only, no need to check the chip
11049 * before determining the port.
11050 */
11051 port = params->port;
11052
11053 cfg_pin = (REG_RD(bp, params->shmem_base +
11054 offsetof(struct shmem_region,
11055 dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
11056 PORT_HW_CFG_E3_PHY_RESET_MASK) >>
11057 PORT_HW_CFG_E3_PHY_RESET_SHIFT;
11058
11059 /* Drive pin high to bring the GPHY out of reset. */
11060 bnx2x_set_cfg_pin(bp, cfg_pin, 1);
11061
11062 /* wait for GPHY to reset */
11063 msleep(50);
11064
11065 /* reset phy */
11066 bnx2x_cl22_write(bp, phy,
11067 MDIO_PMA_REG_CTRL, 0x8000);
11068 bnx2x_wait_reset_complete(bp, phy, params);
11069
11070 /* Wait for GPHY to reset */
11071 msleep(50);
11072
11073
11074 bnx2x_54618se_specific_func(phy, params, PHY_INIT);
11075 /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
11076 bnx2x_cl22_write(bp, phy,
11077 MDIO_REG_GPHY_SHADOW,
11078 MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
11079 bnx2x_cl22_read(bp, phy,
11080 MDIO_REG_GPHY_SHADOW,
11081 &temp);
11082 temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
11083 bnx2x_cl22_write(bp, phy,
11084 MDIO_REG_GPHY_SHADOW,
11085 MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
11086
11087 /* Set up fc */
11088 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
11089 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
11090 fc_val = 0;
11091 if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
11092 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
11093 fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
11094
11095 if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
11096 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
11097 fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
11098
11099 /* Read all advertisement */
11100 bnx2x_cl22_read(bp, phy,
11101 0x09,
11102 &an_1000_val);
11103
11104 bnx2x_cl22_read(bp, phy,
11105 0x04,
11106 &an_10_100_val);
11107
11108 bnx2x_cl22_read(bp, phy,
11109 MDIO_PMA_REG_CTRL,
11110 &autoneg_val);
11111
11112 /* Disable forced speed */
11113 autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
11114 an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
11115 (1<<11));
11116
11117 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
11118 (phy->speed_cap_mask &
11119 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
11120 (phy->req_line_speed == SPEED_1000)) {
11121 an_1000_val |= (1<<8);
11122 autoneg_val |= (1<<9 | 1<<12);
11123 if (phy->req_duplex == DUPLEX_FULL)
11124 an_1000_val |= (1<<9);
11125 DP(NETIF_MSG_LINK, "Advertising 1G\n");
11126 } else
11127 an_1000_val &= ~((1<<8) | (1<<9));
11128
11129 bnx2x_cl22_write(bp, phy,
11130 0x09,
11131 an_1000_val);
11132 bnx2x_cl22_read(bp, phy,
11133 0x09,
11134 &an_1000_val);
11135
11136 /* Advertise 10/100 link speed */
11137 if (phy->req_line_speed == SPEED_AUTO_NEG) {
11138 if (phy->speed_cap_mask &
11139 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF) {
11140 an_10_100_val |= (1<<5);
11141 autoneg_val |= (1<<9 | 1<<12);
11142 DP(NETIF_MSG_LINK, "Advertising 10M-HD\n");
11143 }
11144 if (phy->speed_cap_mask &
11145 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) {
11146 an_10_100_val |= (1<<6);
11147 autoneg_val |= (1<<9 | 1<<12);
11148 DP(NETIF_MSG_LINK, "Advertising 10M-FD\n");
11149 }
11150 if (phy->speed_cap_mask &
11151 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF) {
11152 an_10_100_val |= (1<<7);
11153 autoneg_val |= (1<<9 | 1<<12);
11154 DP(NETIF_MSG_LINK, "Advertising 100M-HD\n");
11155 }
11156 if (phy->speed_cap_mask &
11157 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL) {
11158 an_10_100_val |= (1<<8);
11159 autoneg_val |= (1<<9 | 1<<12);
11160 DP(NETIF_MSG_LINK, "Advertising 100M-FD\n");
11161 }
11162 }
11163
11164 /* Only 10/100 are allowed to work in FORCE mode */
11165 if (phy->req_line_speed == SPEED_100) {
11166 autoneg_val |= (1<<13);
11167 /* Enabled AUTO-MDIX when autoneg is disabled */
11168 bnx2x_cl22_write(bp, phy,
11169 0x18,
11170 (1<<15 | 1<<9 | 7<<0));
11171 DP(NETIF_MSG_LINK, "Setting 100M force\n");
11172 }
11173 if (phy->req_line_speed == SPEED_10) {
11174 /* Enabled AUTO-MDIX when autoneg is disabled */
11175 bnx2x_cl22_write(bp, phy,
11176 0x18,
11177 (1<<15 | 1<<9 | 7<<0));
11178 DP(NETIF_MSG_LINK, "Setting 10M force\n");
11179 }
11180
11181 if ((phy->flags & FLAGS_EEE) && bnx2x_eee_has_cap(params)) {
11182 int rc;
11183
11184 bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS,
11185 MDIO_REG_GPHY_EXP_ACCESS_TOP |
11186 MDIO_REG_GPHY_EXP_TOP_2K_BUF);
11187 bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, &temp);
11188 temp &= 0xfffe;
11189 bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, temp);
11190
11191 rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_1G_ADV);
11192 if (rc) {
11193 DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
11194 bnx2x_eee_disable(phy, params, vars);
11195 } else if ((params->eee_mode & EEE_MODE_ADV_LPI) &&
11196 (phy->req_duplex == DUPLEX_FULL) &&
11197 (bnx2x_eee_calc_timer(params) ||
11198 !(params->eee_mode & EEE_MODE_ENABLE_LPI))) {
11199 /* Need to advertise EEE only when requested,
11200 * and either no LPI assertion was requested,
11201 * or it was requested and a valid timer was set.
11202 * Also notice full duplex is required for EEE.
11203 */
11204 bnx2x_eee_advertise(phy, params, vars,
11205 SHMEM_EEE_1G_ADV);
11206 } else {
11207 DP(NETIF_MSG_LINK, "Don't Advertise 1GBase-T EEE\n");
11208 bnx2x_eee_disable(phy, params, vars);
11209 }
11210 } else {
11211 vars->eee_status &= ~SHMEM_EEE_1G_ADV <<
11212 SHMEM_EEE_SUPPORTED_SHIFT;
11213
11214 if (phy->flags & FLAGS_EEE) {
11215 /* Handle legacy auto-grEEEn */
11216 if (params->feature_config_flags &
11217 FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
11218 temp = 6;
11219 DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
11220 } else {
11221 temp = 0;
11222 DP(NETIF_MSG_LINK, "Don't Adv. EEE\n");
11223 }
11224 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
11225 MDIO_AN_REG_EEE_ADV, temp);
11226 }
11227 }
11228
11229 bnx2x_cl22_write(bp, phy,
11230 0x04,
11231 an_10_100_val | fc_val);
11232
11233 if (phy->req_duplex == DUPLEX_FULL)
11234 autoneg_val |= (1<<8);
11235
11236 bnx2x_cl22_write(bp, phy,
11237 MDIO_PMA_REG_CTRL, autoneg_val);
11238 }
11239
11240
bnx2x_5461x_set_link_led(struct bnx2x_phy * phy,struct link_params * params,u8 mode)11241 static void bnx2x_5461x_set_link_led(struct bnx2x_phy *phy,
11242 struct link_params *params, u8 mode)
11243 {
11244 struct bnx2x *bp = params->bp;
11245 u16 temp;
11246
11247 bnx2x_cl22_write(bp, phy,
11248 MDIO_REG_GPHY_SHADOW,
11249 MDIO_REG_GPHY_SHADOW_LED_SEL1);
11250 bnx2x_cl22_read(bp, phy,
11251 MDIO_REG_GPHY_SHADOW,
11252 &temp);
11253 temp &= 0xff00;
11254
11255 DP(NETIF_MSG_LINK, "54618x set link led (mode=%x)\n", mode);
11256 switch (mode) {
11257 case LED_MODE_FRONT_PANEL_OFF:
11258 case LED_MODE_OFF:
11259 temp |= 0x00ee;
11260 break;
11261 case LED_MODE_OPER:
11262 temp |= 0x0001;
11263 break;
11264 case LED_MODE_ON:
11265 temp |= 0x00ff;
11266 break;
11267 default:
11268 break;
11269 }
11270 bnx2x_cl22_write(bp, phy,
11271 MDIO_REG_GPHY_SHADOW,
11272 MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
11273 return;
11274 }
11275
11276
bnx2x_54618se_link_reset(struct bnx2x_phy * phy,struct link_params * params)11277 static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
11278 struct link_params *params)
11279 {
11280 struct bnx2x *bp = params->bp;
11281 u32 cfg_pin;
11282 u8 port;
11283
11284 /* In case of no EPIO routed to reset the GPHY, put it
11285 * in low power mode.
11286 */
11287 bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
11288 /* This works with E3 only, no need to check the chip
11289 * before determining the port.
11290 */
11291 port = params->port;
11292 cfg_pin = (REG_RD(bp, params->shmem_base +
11293 offsetof(struct shmem_region,
11294 dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
11295 PORT_HW_CFG_E3_PHY_RESET_MASK) >>
11296 PORT_HW_CFG_E3_PHY_RESET_SHIFT;
11297
11298 /* Drive pin low to put GPHY in reset. */
11299 bnx2x_set_cfg_pin(bp, cfg_pin, 0);
11300 }
11301
bnx2x_54618se_read_status(struct bnx2x_phy * phy,struct link_params * params,struct link_vars * vars)11302 static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
11303 struct link_params *params,
11304 struct link_vars *vars)
11305 {
11306 struct bnx2x *bp = params->bp;
11307 u16 val;
11308 u8 link_up = 0;
11309 u16 legacy_status, legacy_speed;
11310
11311 /* Get speed operation status */
11312 bnx2x_cl22_read(bp, phy,
11313 MDIO_REG_GPHY_AUX_STATUS,
11314 &legacy_status);
11315 DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
11316
11317 /* Read status to clear the PHY interrupt. */
11318 bnx2x_cl22_read(bp, phy,
11319 MDIO_REG_INTR_STATUS,
11320 &val);
11321
11322 link_up = ((legacy_status & (1<<2)) == (1<<2));
11323
11324 if (link_up) {
11325 legacy_speed = (legacy_status & (7<<8));
11326 if (legacy_speed == (7<<8)) {
11327 vars->line_speed = SPEED_1000;
11328 vars->duplex = DUPLEX_FULL;
11329 } else if (legacy_speed == (6<<8)) {
11330 vars->line_speed = SPEED_1000;
11331 vars->duplex = DUPLEX_HALF;
11332 } else if (legacy_speed == (5<<8)) {
11333 vars->line_speed = SPEED_100;
11334 vars->duplex = DUPLEX_FULL;
11335 }
11336 /* Omitting 100Base-T4 for now */
11337 else if (legacy_speed == (3<<8)) {
11338 vars->line_speed = SPEED_100;
11339 vars->duplex = DUPLEX_HALF;
11340 } else if (legacy_speed == (2<<8)) {
11341 vars->line_speed = SPEED_10;
11342 vars->duplex = DUPLEX_FULL;
11343 } else if (legacy_speed == (1<<8)) {
11344 vars->line_speed = SPEED_10;
11345 vars->duplex = DUPLEX_HALF;
11346 } else /* Should not happen */
11347 vars->line_speed = 0;
11348
11349 DP(NETIF_MSG_LINK,
11350 "Link is up in %dMbps, is_duplex_full= %d\n",
11351 vars->line_speed,
11352 (vars->duplex == DUPLEX_FULL));
11353
11354 /* Check legacy speed AN resolution */
11355 bnx2x_cl22_read(bp, phy,
11356 0x01,
11357 &val);
11358 if (val & (1<<5))
11359 vars->link_status |=
11360 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
11361 bnx2x_cl22_read(bp, phy,
11362 0x06,
11363 &val);
11364 if ((val & (1<<0)) == 0)
11365 vars->link_status |=
11366 LINK_STATUS_PARALLEL_DETECTION_USED;
11367
11368 DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
11369 vars->line_speed);
11370
11371 bnx2x_ext_phy_resolve_fc(phy, params, vars);
11372
11373 if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
11374 /* Report LP advertised speeds */
11375 bnx2x_cl22_read(bp, phy, 0x5, &val);
11376
11377 if (val & (1<<5))
11378 vars->link_status |=
11379 LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
11380 if (val & (1<<6))
11381 vars->link_status |=
11382 LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
11383 if (val & (1<<7))
11384 vars->link_status |=
11385 LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
11386 if (val & (1<<8))
11387 vars->link_status |=
11388 LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
11389 if (val & (1<<9))
11390 vars->link_status |=
11391 LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
11392
11393 bnx2x_cl22_read(bp, phy, 0xa, &val);
11394 if (val & (1<<10))
11395 vars->link_status |=
11396 LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
11397 if (val & (1<<11))
11398 vars->link_status |=
11399 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
11400
11401 if ((phy->flags & FLAGS_EEE) &&
11402 bnx2x_eee_has_cap(params))
11403 bnx2x_eee_an_resolve(phy, params, vars);
11404 }
11405 }
11406 return link_up;
11407 }
11408
bnx2x_54618se_config_loopback(struct bnx2x_phy * phy,struct link_params * params)11409 static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
11410 struct link_params *params)
11411 {
11412 struct bnx2x *bp = params->bp;
11413 u16 val;
11414 u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
11415
11416 DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
11417
11418 /* Enable master/slave manual mmode and set to master */
11419 /* mii write 9 [bits set 11 12] */
11420 bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
11421
11422 /* forced 1G and disable autoneg */
11423 /* set val [mii read 0] */
11424 /* set val [expr $val & [bits clear 6 12 13]] */
11425 /* set val [expr $val | [bits set 6 8]] */
11426 /* mii write 0 $val */
11427 bnx2x_cl22_read(bp, phy, 0x00, &val);
11428 val &= ~((1<<6) | (1<<12) | (1<<13));
11429 val |= (1<<6) | (1<<8);
11430 bnx2x_cl22_write(bp, phy, 0x00, val);
11431
11432 /* Set external loopback and Tx using 6dB coding */
11433 /* mii write 0x18 7 */
11434 /* set val [mii read 0x18] */
11435 /* mii write 0x18 [expr $val | [bits set 10 15]] */
11436 bnx2x_cl22_write(bp, phy, 0x18, 7);
11437 bnx2x_cl22_read(bp, phy, 0x18, &val);
11438 bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
11439
11440 /* This register opens the gate for the UMAC despite its name */
11441 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
11442
11443 /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
11444 * length used by the MAC receive logic to check frames.
11445 */
11446 REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
11447 }
11448
11449 /******************************************************************/
11450 /* SFX7101 PHY SECTION */
11451 /******************************************************************/
bnx2x_7101_config_loopback(struct bnx2x_phy * phy,struct link_params * params)11452 static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
11453 struct link_params *params)
11454 {
11455 struct bnx2x *bp = params->bp;
11456 /* SFX7101_XGXS_TEST1 */
11457 bnx2x_cl45_write(bp, phy,
11458 MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
11459 }
11460
bnx2x_7101_config_init(struct bnx2x_phy * phy,struct link_params * params,struct link_vars * vars)11461 static void bnx2x_7101_config_init(struct bnx2x_phy *phy,
11462 struct link_params *params,
11463 struct link_vars *vars)
11464 {
11465 u16 fw_ver1, fw_ver2, val;
11466 struct bnx2x *bp = params->bp;
11467 DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
11468
11469 /* Restore normal power mode*/
11470 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
11471 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
11472 /* HW reset */
11473 bnx2x_ext_phy_hw_reset(bp, params->port);
11474 bnx2x_wait_reset_complete(bp, phy, params);
11475
11476 bnx2x_cl45_write(bp, phy,
11477 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
11478 DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
11479 bnx2x_cl45_write(bp, phy,
11480 MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
11481
11482 bnx2x_ext_phy_set_pause(params, phy, vars);
11483 /* Restart autoneg */
11484 bnx2x_cl45_read(bp, phy,
11485 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
11486 val |= 0x200;
11487 bnx2x_cl45_write(bp, phy,
11488 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
11489
11490 /* Save spirom version */
11491 bnx2x_cl45_read(bp, phy,
11492 MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
11493
11494 bnx2x_cl45_read(bp, phy,
11495 MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
11496 bnx2x_save_spirom_version(bp, params->port,
11497 (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
11498 }
11499
bnx2x_7101_read_status(struct bnx2x_phy * phy,struct link_params * params,struct link_vars * vars)11500 static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
11501 struct link_params *params,
11502 struct link_vars *vars)
11503 {
11504 struct bnx2x *bp = params->bp;
11505 u8 link_up;
11506 u16 val1, val2;
11507 bnx2x_cl45_read(bp, phy,
11508 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
11509 bnx2x_cl45_read(bp, phy,
11510 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
11511 DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
11512 val2, val1);
11513 bnx2x_cl45_read(bp, phy,
11514 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
11515 bnx2x_cl45_read(bp, phy,
11516 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
11517 DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
11518 val2, val1);
11519 link_up = ((val1 & 4) == 4);
11520 /* If link is up print the AN outcome of the SFX7101 PHY */
11521 if (link_up) {
11522 bnx2x_cl45_read(bp, phy,
11523 MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
11524 &val2);
11525 vars->line_speed = SPEED_10000;
11526 vars->duplex = DUPLEX_FULL;
11527 DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
11528 val2, (val2 & (1<<14)));
11529 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
11530 bnx2x_ext_phy_resolve_fc(phy, params, vars);
11531
11532 /* Read LP advertised speeds */
11533 if (val2 & (1<<11))
11534 vars->link_status |=
11535 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
11536 }
11537 return link_up;
11538 }
11539
bnx2x_7101_format_ver(u32 spirom_ver,u8 * str,u16 * len)11540 static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
11541 {
11542 if (*len < 5)
11543 return -EINVAL;
11544 str[0] = (spirom_ver & 0xFF);
11545 str[1] = (spirom_ver & 0xFF00) >> 8;
11546 str[2] = (spirom_ver & 0xFF0000) >> 16;
11547 str[3] = (spirom_ver & 0xFF000000) >> 24;
11548 str[4] = '\0';
11549 *len -= 5;
11550 return 0;
11551 }
11552
bnx2x_sfx7101_sp_sw_reset(struct bnx2x * bp,struct bnx2x_phy * phy)11553 void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
11554 {
11555 u16 val, cnt;
11556
11557 bnx2x_cl45_read(bp, phy,
11558 MDIO_PMA_DEVAD,
11559 MDIO_PMA_REG_7101_RESET, &val);
11560
11561 for (cnt = 0; cnt < 10; cnt++) {
11562 msleep(50);
11563 /* Writes a self-clearing reset */
11564 bnx2x_cl45_write(bp, phy,
11565 MDIO_PMA_DEVAD,
11566 MDIO_PMA_REG_7101_RESET,
11567 (val | (1<<15)));
11568 /* Wait for clear */
11569 bnx2x_cl45_read(bp, phy,
11570 MDIO_PMA_DEVAD,
11571 MDIO_PMA_REG_7101_RESET, &val);
11572
11573 if ((val & (1<<15)) == 0)
11574 break;
11575 }
11576 }
11577
bnx2x_7101_hw_reset(struct bnx2x_phy * phy,struct link_params * params)11578 static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
11579 struct link_params *params) {
11580 /* Low power mode is controlled by GPIO 2 */
11581 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
11582 MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
11583 /* The PHY reset is controlled by GPIO 1 */
11584 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
11585 MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
11586 }
11587
bnx2x_7101_set_link_led(struct bnx2x_phy * phy,struct link_params * params,u8 mode)11588 static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
11589 struct link_params *params, u8 mode)
11590 {
11591 u16 val = 0;
11592 struct bnx2x *bp = params->bp;
11593 switch (mode) {
11594 case LED_MODE_FRONT_PANEL_OFF:
11595 case LED_MODE_OFF:
11596 val = 2;
11597 break;
11598 case LED_MODE_ON:
11599 val = 1;
11600 break;
11601 case LED_MODE_OPER:
11602 val = 0;
11603 break;
11604 }
11605 bnx2x_cl45_write(bp, phy,
11606 MDIO_PMA_DEVAD,
11607 MDIO_PMA_REG_7107_LINK_LED_CNTL,
11608 val);
11609 }
11610
11611 /******************************************************************/
11612 /* STATIC PHY DECLARATION */
11613 /******************************************************************/
11614
11615 static const struct bnx2x_phy phy_null = {
11616 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
11617 .addr = 0,
11618 .def_md_devad = 0,
11619 .flags = FLAGS_INIT_XGXS_FIRST,
11620 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11621 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11622 .mdio_ctrl = 0,
11623 .supported = 0,
11624 .media_type = ETH_PHY_NOT_PRESENT,
11625 .ver_addr = 0,
11626 .req_flow_ctrl = 0,
11627 .req_line_speed = 0,
11628 .speed_cap_mask = 0,
11629 .req_duplex = 0,
11630 .rsrv = 0,
11631 .config_init = NULL,
11632 .read_status = NULL,
11633 .link_reset = NULL,
11634 .config_loopback = NULL,
11635 .format_fw_ver = NULL,
11636 .hw_reset = NULL,
11637 .set_link_led = NULL,
11638 .phy_specific_func = NULL
11639 };
11640
11641 static const struct bnx2x_phy phy_serdes = {
11642 .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
11643 .addr = 0xff,
11644 .def_md_devad = 0,
11645 .flags = 0,
11646 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11647 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11648 .mdio_ctrl = 0,
11649 .supported = (SUPPORTED_10baseT_Half |
11650 SUPPORTED_10baseT_Full |
11651 SUPPORTED_100baseT_Half |
11652 SUPPORTED_100baseT_Full |
11653 SUPPORTED_1000baseT_Full |
11654 SUPPORTED_2500baseX_Full |
11655 SUPPORTED_TP |
11656 SUPPORTED_Autoneg |
11657 SUPPORTED_Pause |
11658 SUPPORTED_Asym_Pause),
11659 .media_type = ETH_PHY_BASE_T,
11660 .ver_addr = 0,
11661 .req_flow_ctrl = 0,
11662 .req_line_speed = 0,
11663 .speed_cap_mask = 0,
11664 .req_duplex = 0,
11665 .rsrv = 0,
11666 .config_init = bnx2x_xgxs_config_init,
11667 .read_status = bnx2x_link_settings_status,
11668 .link_reset = bnx2x_int_link_reset,
11669 .config_loopback = NULL,
11670 .format_fw_ver = NULL,
11671 .hw_reset = NULL,
11672 .set_link_led = NULL,
11673 .phy_specific_func = NULL
11674 };
11675
11676 static const struct bnx2x_phy phy_xgxs = {
11677 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
11678 .addr = 0xff,
11679 .def_md_devad = 0,
11680 .flags = 0,
11681 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11682 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11683 .mdio_ctrl = 0,
11684 .supported = (SUPPORTED_10baseT_Half |
11685 SUPPORTED_10baseT_Full |
11686 SUPPORTED_100baseT_Half |
11687 SUPPORTED_100baseT_Full |
11688 SUPPORTED_1000baseT_Full |
11689 SUPPORTED_2500baseX_Full |
11690 SUPPORTED_10000baseT_Full |
11691 SUPPORTED_FIBRE |
11692 SUPPORTED_Autoneg |
11693 SUPPORTED_Pause |
11694 SUPPORTED_Asym_Pause),
11695 .media_type = ETH_PHY_CX4,
11696 .ver_addr = 0,
11697 .req_flow_ctrl = 0,
11698 .req_line_speed = 0,
11699 .speed_cap_mask = 0,
11700 .req_duplex = 0,
11701 .rsrv = 0,
11702 .config_init = bnx2x_xgxs_config_init,
11703 .read_status = bnx2x_link_settings_status,
11704 .link_reset = bnx2x_int_link_reset,
11705 .config_loopback = bnx2x_set_xgxs_loopback,
11706 .format_fw_ver = NULL,
11707 .hw_reset = NULL,
11708 .set_link_led = NULL,
11709 .phy_specific_func = bnx2x_xgxs_specific_func
11710 };
11711 static const struct bnx2x_phy phy_warpcore = {
11712 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
11713 .addr = 0xff,
11714 .def_md_devad = 0,
11715 .flags = FLAGS_TX_ERROR_CHECK,
11716 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11717 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11718 .mdio_ctrl = 0,
11719 .supported = (SUPPORTED_10baseT_Half |
11720 SUPPORTED_10baseT_Full |
11721 SUPPORTED_100baseT_Half |
11722 SUPPORTED_100baseT_Full |
11723 SUPPORTED_1000baseT_Full |
11724 SUPPORTED_1000baseKX_Full |
11725 SUPPORTED_10000baseT_Full |
11726 SUPPORTED_10000baseKR_Full |
11727 SUPPORTED_20000baseKR2_Full |
11728 SUPPORTED_20000baseMLD2_Full |
11729 SUPPORTED_FIBRE |
11730 SUPPORTED_Autoneg |
11731 SUPPORTED_Pause |
11732 SUPPORTED_Asym_Pause),
11733 .media_type = ETH_PHY_UNSPECIFIED,
11734 .ver_addr = 0,
11735 .req_flow_ctrl = 0,
11736 .req_line_speed = 0,
11737 .speed_cap_mask = 0,
11738 /* req_duplex = */0,
11739 /* rsrv = */0,
11740 .config_init = bnx2x_warpcore_config_init,
11741 .read_status = bnx2x_warpcore_read_status,
11742 .link_reset = bnx2x_warpcore_link_reset,
11743 .config_loopback = bnx2x_set_warpcore_loopback,
11744 .format_fw_ver = NULL,
11745 .hw_reset = bnx2x_warpcore_hw_reset,
11746 .set_link_led = NULL,
11747 .phy_specific_func = NULL
11748 };
11749
11750
11751 static const struct bnx2x_phy phy_7101 = {
11752 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
11753 .addr = 0xff,
11754 .def_md_devad = 0,
11755 .flags = FLAGS_FAN_FAILURE_DET_REQ,
11756 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11757 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11758 .mdio_ctrl = 0,
11759 .supported = (SUPPORTED_10000baseT_Full |
11760 SUPPORTED_TP |
11761 SUPPORTED_Autoneg |
11762 SUPPORTED_Pause |
11763 SUPPORTED_Asym_Pause),
11764 .media_type = ETH_PHY_BASE_T,
11765 .ver_addr = 0,
11766 .req_flow_ctrl = 0,
11767 .req_line_speed = 0,
11768 .speed_cap_mask = 0,
11769 .req_duplex = 0,
11770 .rsrv = 0,
11771 .config_init = bnx2x_7101_config_init,
11772 .read_status = bnx2x_7101_read_status,
11773 .link_reset = bnx2x_common_ext_link_reset,
11774 .config_loopback = bnx2x_7101_config_loopback,
11775 .format_fw_ver = bnx2x_7101_format_ver,
11776 .hw_reset = bnx2x_7101_hw_reset,
11777 .set_link_led = bnx2x_7101_set_link_led,
11778 .phy_specific_func = NULL
11779 };
11780 static const struct bnx2x_phy phy_8073 = {
11781 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
11782 .addr = 0xff,
11783 .def_md_devad = 0,
11784 .flags = 0,
11785 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11786 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11787 .mdio_ctrl = 0,
11788 .supported = (SUPPORTED_10000baseT_Full |
11789 SUPPORTED_2500baseX_Full |
11790 SUPPORTED_1000baseT_Full |
11791 SUPPORTED_FIBRE |
11792 SUPPORTED_Autoneg |
11793 SUPPORTED_Pause |
11794 SUPPORTED_Asym_Pause),
11795 .media_type = ETH_PHY_KR,
11796 .ver_addr = 0,
11797 .req_flow_ctrl = 0,
11798 .req_line_speed = 0,
11799 .speed_cap_mask = 0,
11800 .req_duplex = 0,
11801 .rsrv = 0,
11802 .config_init = bnx2x_8073_config_init,
11803 .read_status = bnx2x_8073_read_status,
11804 .link_reset = bnx2x_8073_link_reset,
11805 .config_loopback = NULL,
11806 .format_fw_ver = bnx2x_format_ver,
11807 .hw_reset = NULL,
11808 .set_link_led = NULL,
11809 .phy_specific_func = bnx2x_8073_specific_func
11810 };
11811 static const struct bnx2x_phy phy_8705 = {
11812 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
11813 .addr = 0xff,
11814 .def_md_devad = 0,
11815 .flags = FLAGS_INIT_XGXS_FIRST,
11816 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11817 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11818 .mdio_ctrl = 0,
11819 .supported = (SUPPORTED_10000baseT_Full |
11820 SUPPORTED_FIBRE |
11821 SUPPORTED_Pause |
11822 SUPPORTED_Asym_Pause),
11823 .media_type = ETH_PHY_XFP_FIBER,
11824 .ver_addr = 0,
11825 .req_flow_ctrl = 0,
11826 .req_line_speed = 0,
11827 .speed_cap_mask = 0,
11828 .req_duplex = 0,
11829 .rsrv = 0,
11830 .config_init = bnx2x_8705_config_init,
11831 .read_status = bnx2x_8705_read_status,
11832 .link_reset = bnx2x_common_ext_link_reset,
11833 .config_loopback = NULL,
11834 .format_fw_ver = bnx2x_null_format_ver,
11835 .hw_reset = NULL,
11836 .set_link_led = NULL,
11837 .phy_specific_func = NULL
11838 };
11839 static const struct bnx2x_phy phy_8706 = {
11840 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
11841 .addr = 0xff,
11842 .def_md_devad = 0,
11843 .flags = FLAGS_INIT_XGXS_FIRST,
11844 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11845 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11846 .mdio_ctrl = 0,
11847 .supported = (SUPPORTED_10000baseT_Full |
11848 SUPPORTED_1000baseT_Full |
11849 SUPPORTED_FIBRE |
11850 SUPPORTED_Pause |
11851 SUPPORTED_Asym_Pause),
11852 .media_type = ETH_PHY_SFPP_10G_FIBER,
11853 .ver_addr = 0,
11854 .req_flow_ctrl = 0,
11855 .req_line_speed = 0,
11856 .speed_cap_mask = 0,
11857 .req_duplex = 0,
11858 .rsrv = 0,
11859 .config_init = bnx2x_8706_config_init,
11860 .read_status = bnx2x_8706_read_status,
11861 .link_reset = bnx2x_common_ext_link_reset,
11862 .config_loopback = NULL,
11863 .format_fw_ver = bnx2x_format_ver,
11864 .hw_reset = NULL,
11865 .set_link_led = NULL,
11866 .phy_specific_func = NULL
11867 };
11868
11869 static const struct bnx2x_phy phy_8726 = {
11870 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
11871 .addr = 0xff,
11872 .def_md_devad = 0,
11873 .flags = (FLAGS_INIT_XGXS_FIRST |
11874 FLAGS_TX_ERROR_CHECK),
11875 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11876 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11877 .mdio_ctrl = 0,
11878 .supported = (SUPPORTED_10000baseT_Full |
11879 SUPPORTED_1000baseT_Full |
11880 SUPPORTED_Autoneg |
11881 SUPPORTED_FIBRE |
11882 SUPPORTED_Pause |
11883 SUPPORTED_Asym_Pause),
11884 .media_type = ETH_PHY_NOT_PRESENT,
11885 .ver_addr = 0,
11886 .req_flow_ctrl = 0,
11887 .req_line_speed = 0,
11888 .speed_cap_mask = 0,
11889 .req_duplex = 0,
11890 .rsrv = 0,
11891 .config_init = bnx2x_8726_config_init,
11892 .read_status = bnx2x_8726_read_status,
11893 .link_reset = bnx2x_8726_link_reset,
11894 .config_loopback = bnx2x_8726_config_loopback,
11895 .format_fw_ver = bnx2x_format_ver,
11896 .hw_reset = NULL,
11897 .set_link_led = NULL,
11898 .phy_specific_func = NULL
11899 };
11900
11901 static const struct bnx2x_phy phy_8727 = {
11902 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
11903 .addr = 0xff,
11904 .def_md_devad = 0,
11905 .flags = (FLAGS_FAN_FAILURE_DET_REQ |
11906 FLAGS_TX_ERROR_CHECK),
11907 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11908 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11909 .mdio_ctrl = 0,
11910 .supported = (SUPPORTED_10000baseT_Full |
11911 SUPPORTED_1000baseT_Full |
11912 SUPPORTED_FIBRE |
11913 SUPPORTED_Pause |
11914 SUPPORTED_Asym_Pause),
11915 .media_type = ETH_PHY_NOT_PRESENT,
11916 .ver_addr = 0,
11917 .req_flow_ctrl = 0,
11918 .req_line_speed = 0,
11919 .speed_cap_mask = 0,
11920 .req_duplex = 0,
11921 .rsrv = 0,
11922 .config_init = bnx2x_8727_config_init,
11923 .read_status = bnx2x_8727_read_status,
11924 .link_reset = bnx2x_8727_link_reset,
11925 .config_loopback = NULL,
11926 .format_fw_ver = bnx2x_format_ver,
11927 .hw_reset = bnx2x_8727_hw_reset,
11928 .set_link_led = bnx2x_8727_set_link_led,
11929 .phy_specific_func = bnx2x_8727_specific_func
11930 };
11931 static const struct bnx2x_phy phy_8481 = {
11932 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
11933 .addr = 0xff,
11934 .def_md_devad = 0,
11935 .flags = FLAGS_FAN_FAILURE_DET_REQ |
11936 FLAGS_REARM_LATCH_SIGNAL,
11937 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11938 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11939 .mdio_ctrl = 0,
11940 .supported = (SUPPORTED_10baseT_Half |
11941 SUPPORTED_10baseT_Full |
11942 SUPPORTED_100baseT_Half |
11943 SUPPORTED_100baseT_Full |
11944 SUPPORTED_1000baseT_Full |
11945 SUPPORTED_10000baseT_Full |
11946 SUPPORTED_TP |
11947 SUPPORTED_Autoneg |
11948 SUPPORTED_Pause |
11949 SUPPORTED_Asym_Pause),
11950 .media_type = ETH_PHY_BASE_T,
11951 .ver_addr = 0,
11952 .req_flow_ctrl = 0,
11953 .req_line_speed = 0,
11954 .speed_cap_mask = 0,
11955 .req_duplex = 0,
11956 .rsrv = 0,
11957 .config_init = bnx2x_8481_config_init,
11958 .read_status = bnx2x_848xx_read_status,
11959 .link_reset = bnx2x_8481_link_reset,
11960 .config_loopback = NULL,
11961 .format_fw_ver = bnx2x_848xx_format_ver,
11962 .hw_reset = bnx2x_8481_hw_reset,
11963 .set_link_led = bnx2x_848xx_set_link_led,
11964 .phy_specific_func = NULL
11965 };
11966
11967 static const struct bnx2x_phy phy_84823 = {
11968 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
11969 .addr = 0xff,
11970 .def_md_devad = 0,
11971 .flags = (FLAGS_FAN_FAILURE_DET_REQ |
11972 FLAGS_REARM_LATCH_SIGNAL |
11973 FLAGS_TX_ERROR_CHECK),
11974 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11975 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11976 .mdio_ctrl = 0,
11977 .supported = (SUPPORTED_10baseT_Half |
11978 SUPPORTED_10baseT_Full |
11979 SUPPORTED_100baseT_Half |
11980 SUPPORTED_100baseT_Full |
11981 SUPPORTED_1000baseT_Full |
11982 SUPPORTED_10000baseT_Full |
11983 SUPPORTED_TP |
11984 SUPPORTED_Autoneg |
11985 SUPPORTED_Pause |
11986 SUPPORTED_Asym_Pause),
11987 .media_type = ETH_PHY_BASE_T,
11988 .ver_addr = 0,
11989 .req_flow_ctrl = 0,
11990 .req_line_speed = 0,
11991 .speed_cap_mask = 0,
11992 .req_duplex = 0,
11993 .rsrv = 0,
11994 .config_init = bnx2x_848x3_config_init,
11995 .read_status = bnx2x_848xx_read_status,
11996 .link_reset = bnx2x_848x3_link_reset,
11997 .config_loopback = NULL,
11998 .format_fw_ver = bnx2x_848xx_format_ver,
11999 .hw_reset = NULL,
12000 .set_link_led = bnx2x_848xx_set_link_led,
12001 .phy_specific_func = bnx2x_848xx_specific_func
12002 };
12003
12004 static const struct bnx2x_phy phy_84833 = {
12005 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
12006 .addr = 0xff,
12007 .def_md_devad = 0,
12008 .flags = (FLAGS_FAN_FAILURE_DET_REQ |
12009 FLAGS_REARM_LATCH_SIGNAL |
12010 FLAGS_TX_ERROR_CHECK),
12011 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12012 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12013 .mdio_ctrl = 0,
12014 .supported = (SUPPORTED_100baseT_Half |
12015 SUPPORTED_100baseT_Full |
12016 SUPPORTED_1000baseT_Full |
12017 SUPPORTED_10000baseT_Full |
12018 SUPPORTED_TP |
12019 SUPPORTED_Autoneg |
12020 SUPPORTED_Pause |
12021 SUPPORTED_Asym_Pause),
12022 .media_type = ETH_PHY_BASE_T,
12023 .ver_addr = 0,
12024 .req_flow_ctrl = 0,
12025 .req_line_speed = 0,
12026 .speed_cap_mask = 0,
12027 .req_duplex = 0,
12028 .rsrv = 0,
12029 .config_init = bnx2x_848x3_config_init,
12030 .read_status = bnx2x_848xx_read_status,
12031 .link_reset = bnx2x_848x3_link_reset,
12032 .config_loopback = NULL,
12033 .format_fw_ver = bnx2x_848xx_format_ver,
12034 .hw_reset = bnx2x_84833_hw_reset_phy,
12035 .set_link_led = bnx2x_848xx_set_link_led,
12036 .phy_specific_func = bnx2x_848xx_specific_func
12037 };
12038
12039 static const struct bnx2x_phy phy_84834 = {
12040 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834,
12041 .addr = 0xff,
12042 .def_md_devad = 0,
12043 .flags = FLAGS_FAN_FAILURE_DET_REQ |
12044 FLAGS_REARM_LATCH_SIGNAL,
12045 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12046 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12047 .mdio_ctrl = 0,
12048 .supported = (SUPPORTED_100baseT_Half |
12049 SUPPORTED_100baseT_Full |
12050 SUPPORTED_1000baseT_Full |
12051 SUPPORTED_10000baseT_Full |
12052 SUPPORTED_TP |
12053 SUPPORTED_Autoneg |
12054 SUPPORTED_Pause |
12055 SUPPORTED_Asym_Pause),
12056 .media_type = ETH_PHY_BASE_T,
12057 .ver_addr = 0,
12058 .req_flow_ctrl = 0,
12059 .req_line_speed = 0,
12060 .speed_cap_mask = 0,
12061 .req_duplex = 0,
12062 .rsrv = 0,
12063 .config_init = bnx2x_848x3_config_init,
12064 .read_status = bnx2x_848xx_read_status,
12065 .link_reset = bnx2x_848x3_link_reset,
12066 .config_loopback = NULL,
12067 .format_fw_ver = bnx2x_848xx_format_ver,
12068 .hw_reset = bnx2x_84833_hw_reset_phy,
12069 .set_link_led = bnx2x_848xx_set_link_led,
12070 .phy_specific_func = bnx2x_848xx_specific_func
12071 };
12072
12073 static const struct bnx2x_phy phy_84858 = {
12074 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858,
12075 .addr = 0xff,
12076 .def_md_devad = 0,
12077 .flags = FLAGS_FAN_FAILURE_DET_REQ |
12078 FLAGS_REARM_LATCH_SIGNAL,
12079 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12080 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12081 .mdio_ctrl = 0,
12082 .supported = (SUPPORTED_100baseT_Half |
12083 SUPPORTED_100baseT_Full |
12084 SUPPORTED_1000baseT_Full |
12085 SUPPORTED_10000baseT_Full |
12086 SUPPORTED_TP |
12087 SUPPORTED_Autoneg |
12088 SUPPORTED_Pause |
12089 SUPPORTED_Asym_Pause),
12090 .media_type = ETH_PHY_BASE_T,
12091 .ver_addr = 0,
12092 .req_flow_ctrl = 0,
12093 .req_line_speed = 0,
12094 .speed_cap_mask = 0,
12095 .req_duplex = 0,
12096 .rsrv = 0,
12097 .config_init = bnx2x_848x3_config_init,
12098 .read_status = bnx2x_848xx_read_status,
12099 .link_reset = bnx2x_848x3_link_reset,
12100 .config_loopback = NULL,
12101 .format_fw_ver = bnx2x_8485x_format_ver,
12102 .hw_reset = bnx2x_84833_hw_reset_phy,
12103 .set_link_led = bnx2x_848xx_set_link_led,
12104 .phy_specific_func = bnx2x_848xx_specific_func
12105 };
12106
12107 static const struct bnx2x_phy phy_54618se = {
12108 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
12109 .addr = 0xff,
12110 .def_md_devad = 0,
12111 .flags = FLAGS_INIT_XGXS_FIRST,
12112 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12113 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12114 .mdio_ctrl = 0,
12115 .supported = (SUPPORTED_10baseT_Half |
12116 SUPPORTED_10baseT_Full |
12117 SUPPORTED_100baseT_Half |
12118 SUPPORTED_100baseT_Full |
12119 SUPPORTED_1000baseT_Full |
12120 SUPPORTED_TP |
12121 SUPPORTED_Autoneg |
12122 SUPPORTED_Pause |
12123 SUPPORTED_Asym_Pause),
12124 .media_type = ETH_PHY_BASE_T,
12125 .ver_addr = 0,
12126 .req_flow_ctrl = 0,
12127 .req_line_speed = 0,
12128 .speed_cap_mask = 0,
12129 /* req_duplex = */0,
12130 /* rsrv = */0,
12131 .config_init = bnx2x_54618se_config_init,
12132 .read_status = bnx2x_54618se_read_status,
12133 .link_reset = bnx2x_54618se_link_reset,
12134 .config_loopback = bnx2x_54618se_config_loopback,
12135 .format_fw_ver = NULL,
12136 .hw_reset = NULL,
12137 .set_link_led = bnx2x_5461x_set_link_led,
12138 .phy_specific_func = bnx2x_54618se_specific_func
12139 };
12140 /*****************************************************************/
12141 /* */
12142 /* Populate the phy according. Main function: bnx2x_populate_phy */
12143 /* */
12144 /*****************************************************************/
12145
bnx2x_populate_preemphasis(struct bnx2x * bp,u32 shmem_base,struct bnx2x_phy * phy,u8 port,u8 phy_index)12146 static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
12147 struct bnx2x_phy *phy, u8 port,
12148 u8 phy_index)
12149 {
12150 /* Get the 4 lanes xgxs config rx and tx */
12151 u32 rx = 0, tx = 0, i;
12152 for (i = 0; i < 2; i++) {
12153 /* INT_PHY and EXT_PHY1 share the same value location in
12154 * the shmem. When num_phys is greater than 1, than this value
12155 * applies only to EXT_PHY1
12156 */
12157 if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
12158 rx = REG_RD(bp, shmem_base +
12159 offsetof(struct shmem_region,
12160 dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
12161
12162 tx = REG_RD(bp, shmem_base +
12163 offsetof(struct shmem_region,
12164 dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
12165 } else {
12166 rx = REG_RD(bp, shmem_base +
12167 offsetof(struct shmem_region,
12168 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
12169
12170 tx = REG_RD(bp, shmem_base +
12171 offsetof(struct shmem_region,
12172 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
12173 }
12174
12175 phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
12176 phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
12177
12178 phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
12179 phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
12180 }
12181 }
12182
bnx2x_get_ext_phy_config(struct bnx2x * bp,u32 shmem_base,u8 phy_index,u8 port)12183 static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
12184 u8 phy_index, u8 port)
12185 {
12186 u32 ext_phy_config = 0;
12187 switch (phy_index) {
12188 case EXT_PHY1:
12189 ext_phy_config = REG_RD(bp, shmem_base +
12190 offsetof(struct shmem_region,
12191 dev_info.port_hw_config[port].external_phy_config));
12192 break;
12193 case EXT_PHY2:
12194 ext_phy_config = REG_RD(bp, shmem_base +
12195 offsetof(struct shmem_region,
12196 dev_info.port_hw_config[port].external_phy_config2));
12197 break;
12198 default:
12199 DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
12200 return -EINVAL;
12201 }
12202
12203 return ext_phy_config;
12204 }
bnx2x_populate_int_phy(struct bnx2x * bp,u32 shmem_base,u8 port,struct bnx2x_phy * phy)12205 static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
12206 struct bnx2x_phy *phy)
12207 {
12208 u32 phy_addr;
12209 u32 chip_id;
12210 u32 switch_cfg = (REG_RD(bp, shmem_base +
12211 offsetof(struct shmem_region,
12212 dev_info.port_feature_config[port].link_config)) &
12213 PORT_FEATURE_CONNECTED_SWITCH_MASK);
12214 chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
12215 ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
12216
12217 DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
12218 if (USES_WARPCORE(bp)) {
12219 u32 serdes_net_if;
12220 phy_addr = REG_RD(bp,
12221 MISC_REG_WC0_CTRL_PHY_ADDR);
12222 *phy = phy_warpcore;
12223 if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
12224 phy->flags |= FLAGS_4_PORT_MODE;
12225 else
12226 phy->flags &= ~FLAGS_4_PORT_MODE;
12227 /* Check Dual mode */
12228 serdes_net_if = (REG_RD(bp, shmem_base +
12229 offsetof(struct shmem_region, dev_info.
12230 port_hw_config[port].default_cfg)) &
12231 PORT_HW_CFG_NET_SERDES_IF_MASK);
12232 /* Set the appropriate supported and flags indications per
12233 * interface type of the chip
12234 */
12235 switch (serdes_net_if) {
12236 case PORT_HW_CFG_NET_SERDES_IF_SGMII:
12237 phy->supported &= (SUPPORTED_10baseT_Half |
12238 SUPPORTED_10baseT_Full |
12239 SUPPORTED_100baseT_Half |
12240 SUPPORTED_100baseT_Full |
12241 SUPPORTED_1000baseT_Full |
12242 SUPPORTED_FIBRE |
12243 SUPPORTED_Autoneg |
12244 SUPPORTED_Pause |
12245 SUPPORTED_Asym_Pause);
12246 phy->media_type = ETH_PHY_BASE_T;
12247 break;
12248 case PORT_HW_CFG_NET_SERDES_IF_XFI:
12249 phy->supported &= (SUPPORTED_1000baseT_Full |
12250 SUPPORTED_10000baseT_Full |
12251 SUPPORTED_FIBRE |
12252 SUPPORTED_Pause |
12253 SUPPORTED_Asym_Pause);
12254 phy->media_type = ETH_PHY_XFP_FIBER;
12255 break;
12256 case PORT_HW_CFG_NET_SERDES_IF_SFI:
12257 phy->supported &= (SUPPORTED_1000baseT_Full |
12258 SUPPORTED_10000baseT_Full |
12259 SUPPORTED_FIBRE |
12260 SUPPORTED_Pause |
12261 SUPPORTED_Asym_Pause);
12262 phy->media_type = ETH_PHY_SFPP_10G_FIBER;
12263 break;
12264 case PORT_HW_CFG_NET_SERDES_IF_KR:
12265 phy->media_type = ETH_PHY_KR;
12266 phy->supported &= (SUPPORTED_1000baseKX_Full |
12267 SUPPORTED_10000baseKR_Full |
12268 SUPPORTED_FIBRE |
12269 SUPPORTED_Autoneg |
12270 SUPPORTED_Pause |
12271 SUPPORTED_Asym_Pause);
12272 break;
12273 case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
12274 phy->media_type = ETH_PHY_KR;
12275 phy->flags |= FLAGS_WC_DUAL_MODE;
12276 phy->supported &= (SUPPORTED_20000baseMLD2_Full |
12277 SUPPORTED_FIBRE |
12278 SUPPORTED_Pause |
12279 SUPPORTED_Asym_Pause);
12280 break;
12281 case PORT_HW_CFG_NET_SERDES_IF_KR2:
12282 phy->media_type = ETH_PHY_KR;
12283 phy->flags |= FLAGS_WC_DUAL_MODE;
12284 phy->supported &= (SUPPORTED_20000baseKR2_Full |
12285 SUPPORTED_10000baseKR_Full |
12286 SUPPORTED_1000baseKX_Full |
12287 SUPPORTED_Autoneg |
12288 SUPPORTED_FIBRE |
12289 SUPPORTED_Pause |
12290 SUPPORTED_Asym_Pause);
12291 phy->flags &= ~FLAGS_TX_ERROR_CHECK;
12292 break;
12293 default:
12294 DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
12295 serdes_net_if);
12296 break;
12297 }
12298
12299 /* Enable MDC/MDIO work-around for E3 A0 since free running MDC
12300 * was not set as expected. For B0, ECO will be enabled so there
12301 * won't be an issue there
12302 */
12303 if (CHIP_REV(bp) == CHIP_REV_Ax)
12304 phy->flags |= FLAGS_MDC_MDIO_WA;
12305 else
12306 phy->flags |= FLAGS_MDC_MDIO_WA_B0;
12307 } else {
12308 switch (switch_cfg) {
12309 case SWITCH_CFG_1G:
12310 phy_addr = REG_RD(bp,
12311 NIG_REG_SERDES0_CTRL_PHY_ADDR +
12312 port * 0x10);
12313 *phy = phy_serdes;
12314 break;
12315 case SWITCH_CFG_10G:
12316 phy_addr = REG_RD(bp,
12317 NIG_REG_XGXS0_CTRL_PHY_ADDR +
12318 port * 0x18);
12319 *phy = phy_xgxs;
12320 break;
12321 default:
12322 DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
12323 return -EINVAL;
12324 }
12325 }
12326 phy->addr = (u8)phy_addr;
12327 phy->mdio_ctrl = bnx2x_get_emac_base(bp,
12328 SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
12329 port);
12330 if (CHIP_IS_E2(bp))
12331 phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
12332 else
12333 phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
12334
12335 DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
12336 port, phy->addr, phy->mdio_ctrl);
12337
12338 bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
12339 return 0;
12340 }
12341
bnx2x_populate_ext_phy(struct bnx2x * bp,u8 phy_index,u32 shmem_base,u32 shmem2_base,u8 port,struct bnx2x_phy * phy)12342 static int bnx2x_populate_ext_phy(struct bnx2x *bp,
12343 u8 phy_index,
12344 u32 shmem_base,
12345 u32 shmem2_base,
12346 u8 port,
12347 struct bnx2x_phy *phy)
12348 {
12349 u32 ext_phy_config, phy_type, config2;
12350 u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
12351 ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
12352 phy_index, port);
12353 phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
12354 /* Select the phy type */
12355 switch (phy_type) {
12356 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
12357 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
12358 *phy = phy_8073;
12359 break;
12360 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
12361 *phy = phy_8705;
12362 break;
12363 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
12364 *phy = phy_8706;
12365 break;
12366 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
12367 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
12368 *phy = phy_8726;
12369 break;
12370 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
12371 /* BCM8727_NOC => BCM8727 no over current */
12372 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
12373 *phy = phy_8727;
12374 phy->flags |= FLAGS_NOC;
12375 break;
12376 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
12377 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
12378 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
12379 *phy = phy_8727;
12380 break;
12381 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
12382 *phy = phy_8481;
12383 break;
12384 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
12385 *phy = phy_84823;
12386 break;
12387 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
12388 *phy = phy_84833;
12389 break;
12390 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
12391 *phy = phy_84834;
12392 break;
12393 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858:
12394 *phy = phy_84858;
12395 break;
12396 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
12397 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
12398 *phy = phy_54618se;
12399 if (phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
12400 phy->flags |= FLAGS_EEE;
12401 break;
12402 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
12403 *phy = phy_7101;
12404 break;
12405 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
12406 *phy = phy_null;
12407 return -EINVAL;
12408 default:
12409 *phy = phy_null;
12410 /* In case external PHY wasn't found */
12411 if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
12412 (phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
12413 return -EINVAL;
12414 return 0;
12415 }
12416
12417 phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
12418 bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
12419
12420 /* The shmem address of the phy version is located on different
12421 * structures. In case this structure is too old, do not set
12422 * the address
12423 */
12424 config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
12425 dev_info.shared_hw_config.config2));
12426 if (phy_index == EXT_PHY1) {
12427 phy->ver_addr = shmem_base + offsetof(struct shmem_region,
12428 port_mb[port].ext_phy_fw_version);
12429
12430 /* Check specific mdc mdio settings */
12431 if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
12432 mdc_mdio_access = config2 &
12433 SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
12434 } else {
12435 u32 size = REG_RD(bp, shmem2_base);
12436
12437 if (size >
12438 offsetof(struct shmem2_region, ext_phy_fw_version2)) {
12439 phy->ver_addr = shmem2_base +
12440 offsetof(struct shmem2_region,
12441 ext_phy_fw_version2[port]);
12442 }
12443 /* Check specific mdc mdio settings */
12444 if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
12445 mdc_mdio_access = (config2 &
12446 SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
12447 (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
12448 SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
12449 }
12450 phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
12451
12452 if (bnx2x_is_8483x_8485x(phy) && (phy->ver_addr)) {
12453 /* Remove 100Mb link supported for BCM84833/4 when phy fw
12454 * version lower than or equal to 1.39
12455 */
12456 u32 raw_ver = REG_RD(bp, phy->ver_addr);
12457 if (((raw_ver & 0x7F) <= 39) &&
12458 (((raw_ver & 0xF80) >> 7) <= 1))
12459 phy->supported &= ~(SUPPORTED_100baseT_Half |
12460 SUPPORTED_100baseT_Full);
12461 }
12462
12463 DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
12464 phy_type, port, phy_index);
12465 DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
12466 phy->addr, phy->mdio_ctrl);
12467 return 0;
12468 }
12469
bnx2x_populate_phy(struct bnx2x * bp,u8 phy_index,u32 shmem_base,u32 shmem2_base,u8 port,struct bnx2x_phy * phy)12470 static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
12471 u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
12472 {
12473 phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
12474 if (phy_index == INT_PHY)
12475 return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
12476
12477 return bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
12478 port, phy);
12479 }
12480
bnx2x_phy_def_cfg(struct link_params * params,struct bnx2x_phy * phy,u8 phy_index)12481 static void bnx2x_phy_def_cfg(struct link_params *params,
12482 struct bnx2x_phy *phy,
12483 u8 phy_index)
12484 {
12485 struct bnx2x *bp = params->bp;
12486 u32 link_config;
12487 /* Populate the default phy configuration for MF mode */
12488 if (phy_index == EXT_PHY2) {
12489 link_config = REG_RD(bp, params->shmem_base +
12490 offsetof(struct shmem_region, dev_info.
12491 port_feature_config[params->port].link_config2));
12492 phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
12493 offsetof(struct shmem_region,
12494 dev_info.
12495 port_hw_config[params->port].speed_capability_mask2));
12496 } else {
12497 link_config = REG_RD(bp, params->shmem_base +
12498 offsetof(struct shmem_region, dev_info.
12499 port_feature_config[params->port].link_config));
12500 phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
12501 offsetof(struct shmem_region,
12502 dev_info.
12503 port_hw_config[params->port].speed_capability_mask));
12504 }
12505 DP(NETIF_MSG_LINK,
12506 "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
12507 phy_index, link_config, phy->speed_cap_mask);
12508
12509 phy->req_duplex = DUPLEX_FULL;
12510 switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
12511 case PORT_FEATURE_LINK_SPEED_10M_HALF:
12512 phy->req_duplex = DUPLEX_HALF;
12513 fallthrough;
12514 case PORT_FEATURE_LINK_SPEED_10M_FULL:
12515 phy->req_line_speed = SPEED_10;
12516 break;
12517 case PORT_FEATURE_LINK_SPEED_100M_HALF:
12518 phy->req_duplex = DUPLEX_HALF;
12519 fallthrough;
12520 case PORT_FEATURE_LINK_SPEED_100M_FULL:
12521 phy->req_line_speed = SPEED_100;
12522 break;
12523 case PORT_FEATURE_LINK_SPEED_1G:
12524 phy->req_line_speed = SPEED_1000;
12525 break;
12526 case PORT_FEATURE_LINK_SPEED_2_5G:
12527 phy->req_line_speed = SPEED_2500;
12528 break;
12529 case PORT_FEATURE_LINK_SPEED_10G_CX4:
12530 phy->req_line_speed = SPEED_10000;
12531 break;
12532 default:
12533 phy->req_line_speed = SPEED_AUTO_NEG;
12534 break;
12535 }
12536
12537 switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
12538 case PORT_FEATURE_FLOW_CONTROL_AUTO:
12539 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
12540 break;
12541 case PORT_FEATURE_FLOW_CONTROL_TX:
12542 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
12543 break;
12544 case PORT_FEATURE_FLOW_CONTROL_RX:
12545 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
12546 break;
12547 case PORT_FEATURE_FLOW_CONTROL_BOTH:
12548 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
12549 break;
12550 default:
12551 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12552 break;
12553 }
12554 }
12555
bnx2x_phy_selection(struct link_params * params)12556 u32 bnx2x_phy_selection(struct link_params *params)
12557 {
12558 u32 phy_config_swapped, prio_cfg;
12559 u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
12560
12561 phy_config_swapped = params->multi_phy_config &
12562 PORT_HW_CFG_PHY_SWAPPED_ENABLED;
12563
12564 prio_cfg = params->multi_phy_config &
12565 PORT_HW_CFG_PHY_SELECTION_MASK;
12566
12567 if (phy_config_swapped) {
12568 switch (prio_cfg) {
12569 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
12570 return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
12571 break;
12572 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
12573 return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
12574 break;
12575 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
12576 return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
12577 break;
12578 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
12579 return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
12580 break;
12581 }
12582 } else
12583 return_cfg = prio_cfg;
12584
12585 return return_cfg;
12586 }
12587
bnx2x_phy_probe(struct link_params * params)12588 int bnx2x_phy_probe(struct link_params *params)
12589 {
12590 u8 phy_index, actual_phy_idx;
12591 u32 phy_config_swapped, sync_offset, media_types;
12592 struct bnx2x *bp = params->bp;
12593 struct bnx2x_phy *phy;
12594 params->num_phys = 0;
12595 DP(NETIF_MSG_LINK, "Begin phy probe\n");
12596 phy_config_swapped = params->multi_phy_config &
12597 PORT_HW_CFG_PHY_SWAPPED_ENABLED;
12598
12599 for (phy_index = INT_PHY; phy_index < MAX_PHYS;
12600 phy_index++) {
12601 actual_phy_idx = phy_index;
12602 if (phy_config_swapped) {
12603 if (phy_index == EXT_PHY1)
12604 actual_phy_idx = EXT_PHY2;
12605 else if (phy_index == EXT_PHY2)
12606 actual_phy_idx = EXT_PHY1;
12607 }
12608 DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
12609 " actual_phy_idx %x\n", phy_config_swapped,
12610 phy_index, actual_phy_idx);
12611 phy = ¶ms->phy[actual_phy_idx];
12612 if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
12613 params->shmem2_base, params->port,
12614 phy) != 0) {
12615 params->num_phys = 0;
12616 DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
12617 phy_index);
12618 for (phy_index = INT_PHY;
12619 phy_index < MAX_PHYS;
12620 phy_index++)
12621 *phy = phy_null;
12622 return -EINVAL;
12623 }
12624 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
12625 break;
12626
12627 if (params->feature_config_flags &
12628 FEATURE_CONFIG_DISABLE_REMOTE_FAULT_DET)
12629 phy->flags &= ~FLAGS_TX_ERROR_CHECK;
12630
12631 if (!(params->feature_config_flags &
12632 FEATURE_CONFIG_MT_SUPPORT))
12633 phy->flags |= FLAGS_MDC_MDIO_WA_G;
12634
12635 sync_offset = params->shmem_base +
12636 offsetof(struct shmem_region,
12637 dev_info.port_hw_config[params->port].media_type);
12638 media_types = REG_RD(bp, sync_offset);
12639
12640 /* Update media type for non-PMF sync only for the first time
12641 * In case the media type changes afterwards, it will be updated
12642 * using the update_status function
12643 */
12644 if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
12645 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
12646 actual_phy_idx))) == 0) {
12647 media_types |= ((phy->media_type &
12648 PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
12649 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
12650 actual_phy_idx));
12651 }
12652 REG_WR(bp, sync_offset, media_types);
12653
12654 bnx2x_phy_def_cfg(params, phy, phy_index);
12655 params->num_phys++;
12656 }
12657
12658 DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
12659 return 0;
12660 }
12661
bnx2x_init_bmac_loopback(struct link_params * params,struct link_vars * vars)12662 static void bnx2x_init_bmac_loopback(struct link_params *params,
12663 struct link_vars *vars)
12664 {
12665 struct bnx2x *bp = params->bp;
12666 vars->link_up = 1;
12667 vars->line_speed = SPEED_10000;
12668 vars->duplex = DUPLEX_FULL;
12669 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12670 vars->mac_type = MAC_TYPE_BMAC;
12671
12672 vars->phy_flags = PHY_XGXS_FLAG;
12673
12674 bnx2x_xgxs_deassert(params);
12675
12676 /* Set bmac loopback */
12677 bnx2x_bmac_enable(params, vars, 1, 1);
12678
12679 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port * 4, 0);
12680 }
12681
bnx2x_init_emac_loopback(struct link_params * params,struct link_vars * vars)12682 static void bnx2x_init_emac_loopback(struct link_params *params,
12683 struct link_vars *vars)
12684 {
12685 struct bnx2x *bp = params->bp;
12686 vars->link_up = 1;
12687 vars->line_speed = SPEED_1000;
12688 vars->duplex = DUPLEX_FULL;
12689 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12690 vars->mac_type = MAC_TYPE_EMAC;
12691
12692 vars->phy_flags = PHY_XGXS_FLAG;
12693
12694 bnx2x_xgxs_deassert(params);
12695 /* Set bmac loopback */
12696 bnx2x_emac_enable(params, vars, 1);
12697 bnx2x_emac_program(params, vars);
12698 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port * 4, 0);
12699 }
12700
bnx2x_init_xmac_loopback(struct link_params * params,struct link_vars * vars)12701 static void bnx2x_init_xmac_loopback(struct link_params *params,
12702 struct link_vars *vars)
12703 {
12704 struct bnx2x *bp = params->bp;
12705 vars->link_up = 1;
12706 if (!params->req_line_speed[0])
12707 vars->line_speed = SPEED_10000;
12708 else
12709 vars->line_speed = params->req_line_speed[0];
12710 vars->duplex = DUPLEX_FULL;
12711 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12712 vars->mac_type = MAC_TYPE_XMAC;
12713 vars->phy_flags = PHY_XGXS_FLAG;
12714 /* Set WC to loopback mode since link is required to provide clock
12715 * to the XMAC in 20G mode
12716 */
12717 bnx2x_set_aer_mmd(params, ¶ms->phy[0]);
12718 bnx2x_warpcore_reset_lane(bp, ¶ms->phy[0], 0);
12719 params->phy[INT_PHY].config_loopback(
12720 ¶ms->phy[INT_PHY],
12721 params);
12722
12723 bnx2x_xmac_enable(params, vars, 1);
12724 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12725 }
12726
bnx2x_init_umac_loopback(struct link_params * params,struct link_vars * vars)12727 static void bnx2x_init_umac_loopback(struct link_params *params,
12728 struct link_vars *vars)
12729 {
12730 struct bnx2x *bp = params->bp;
12731 vars->link_up = 1;
12732 vars->line_speed = SPEED_1000;
12733 vars->duplex = DUPLEX_FULL;
12734 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12735 vars->mac_type = MAC_TYPE_UMAC;
12736 vars->phy_flags = PHY_XGXS_FLAG;
12737 bnx2x_umac_enable(params, vars, 1);
12738
12739 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12740 }
12741
bnx2x_init_xgxs_loopback(struct link_params * params,struct link_vars * vars)12742 static void bnx2x_init_xgxs_loopback(struct link_params *params,
12743 struct link_vars *vars)
12744 {
12745 struct bnx2x *bp = params->bp;
12746 struct bnx2x_phy *int_phy = ¶ms->phy[INT_PHY];
12747 vars->link_up = 1;
12748 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12749 vars->duplex = DUPLEX_FULL;
12750 if (params->req_line_speed[0] == SPEED_1000)
12751 vars->line_speed = SPEED_1000;
12752 else if ((params->req_line_speed[0] == SPEED_20000) ||
12753 (int_phy->flags & FLAGS_WC_DUAL_MODE))
12754 vars->line_speed = SPEED_20000;
12755 else
12756 vars->line_speed = SPEED_10000;
12757
12758 if (!USES_WARPCORE(bp))
12759 bnx2x_xgxs_deassert(params);
12760 bnx2x_link_initialize(params, vars);
12761
12762 if (params->req_line_speed[0] == SPEED_1000) {
12763 if (USES_WARPCORE(bp))
12764 bnx2x_umac_enable(params, vars, 0);
12765 else {
12766 bnx2x_emac_program(params, vars);
12767 bnx2x_emac_enable(params, vars, 0);
12768 }
12769 } else {
12770 if (USES_WARPCORE(bp))
12771 bnx2x_xmac_enable(params, vars, 0);
12772 else
12773 bnx2x_bmac_enable(params, vars, 0, 1);
12774 }
12775
12776 if (params->loopback_mode == LOOPBACK_XGXS) {
12777 /* Set 10G XGXS loopback */
12778 int_phy->config_loopback(int_phy, params);
12779 } else {
12780 /* Set external phy loopback */
12781 u8 phy_index;
12782 for (phy_index = EXT_PHY1;
12783 phy_index < params->num_phys; phy_index++)
12784 if (params->phy[phy_index].config_loopback)
12785 params->phy[phy_index].config_loopback(
12786 ¶ms->phy[phy_index],
12787 params);
12788 }
12789 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12790
12791 bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
12792 }
12793
bnx2x_set_rx_filter(struct link_params * params,u8 en)12794 void bnx2x_set_rx_filter(struct link_params *params, u8 en)
12795 {
12796 struct bnx2x *bp = params->bp;
12797 u8 val = en * 0x1F;
12798
12799 /* Open / close the gate between the NIG and the BRB */
12800 if (!CHIP_IS_E1x(bp))
12801 val |= en * 0x20;
12802 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + params->port*4, val);
12803
12804 if (!CHIP_IS_E1(bp)) {
12805 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + params->port*4,
12806 en*0x3);
12807 }
12808
12809 REG_WR(bp, (params->port ? NIG_REG_LLH1_BRB1_NOT_MCP :
12810 NIG_REG_LLH0_BRB1_NOT_MCP), en);
12811 }
bnx2x_avoid_link_flap(struct link_params * params,struct link_vars * vars)12812 static int bnx2x_avoid_link_flap(struct link_params *params,
12813 struct link_vars *vars)
12814 {
12815 u32 phy_idx;
12816 u32 dont_clear_stat, lfa_sts;
12817 struct bnx2x *bp = params->bp;
12818
12819 bnx2x_set_mdio_emac_per_phy(bp, params);
12820 /* Sync the link parameters */
12821 bnx2x_link_status_update(params, vars);
12822
12823 /*
12824 * The module verification was already done by previous link owner,
12825 * so this call is meant only to get warning message
12826 */
12827
12828 for (phy_idx = INT_PHY; phy_idx < params->num_phys; phy_idx++) {
12829 struct bnx2x_phy *phy = ¶ms->phy[phy_idx];
12830 if (phy->phy_specific_func) {
12831 DP(NETIF_MSG_LINK, "Calling PHY specific func\n");
12832 phy->phy_specific_func(phy, params, PHY_INIT);
12833 }
12834 if ((phy->media_type == ETH_PHY_SFPP_10G_FIBER) ||
12835 (phy->media_type == ETH_PHY_SFP_1G_FIBER) ||
12836 (phy->media_type == ETH_PHY_DA_TWINAX))
12837 bnx2x_verify_sfp_module(phy, params);
12838 }
12839 lfa_sts = REG_RD(bp, params->lfa_base +
12840 offsetof(struct shmem_lfa,
12841 lfa_sts));
12842
12843 dont_clear_stat = lfa_sts & SHMEM_LFA_DONT_CLEAR_STAT;
12844
12845 /* Re-enable the NIG/MAC */
12846 if (CHIP_IS_E3(bp)) {
12847 if (!dont_clear_stat) {
12848 REG_WR(bp, GRCBASE_MISC +
12849 MISC_REGISTERS_RESET_REG_2_CLEAR,
12850 (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
12851 params->port));
12852 REG_WR(bp, GRCBASE_MISC +
12853 MISC_REGISTERS_RESET_REG_2_SET,
12854 (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
12855 params->port));
12856 }
12857 if (vars->line_speed < SPEED_10000)
12858 bnx2x_umac_enable(params, vars, 0);
12859 else
12860 bnx2x_xmac_enable(params, vars, 0);
12861 } else {
12862 if (vars->line_speed < SPEED_10000)
12863 bnx2x_emac_enable(params, vars, 0);
12864 else
12865 bnx2x_bmac_enable(params, vars, 0, !dont_clear_stat);
12866 }
12867
12868 /* Increment LFA count */
12869 lfa_sts = ((lfa_sts & ~LINK_FLAP_AVOIDANCE_COUNT_MASK) |
12870 (((((lfa_sts & LINK_FLAP_AVOIDANCE_COUNT_MASK) >>
12871 LINK_FLAP_AVOIDANCE_COUNT_OFFSET) + 1) & 0xff)
12872 << LINK_FLAP_AVOIDANCE_COUNT_OFFSET));
12873 /* Clear link flap reason */
12874 lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
12875
12876 REG_WR(bp, params->lfa_base +
12877 offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
12878
12879 /* Disable NIG DRAIN */
12880 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12881
12882 /* Enable interrupts */
12883 bnx2x_link_int_enable(params);
12884 return 0;
12885 }
12886
bnx2x_cannot_avoid_link_flap(struct link_params * params,struct link_vars * vars,int lfa_status)12887 static void bnx2x_cannot_avoid_link_flap(struct link_params *params,
12888 struct link_vars *vars,
12889 int lfa_status)
12890 {
12891 u32 lfa_sts, cfg_idx, tmp_val;
12892 struct bnx2x *bp = params->bp;
12893
12894 bnx2x_link_reset(params, vars, 1);
12895
12896 if (!params->lfa_base)
12897 return;
12898 /* Store the new link parameters */
12899 REG_WR(bp, params->lfa_base +
12900 offsetof(struct shmem_lfa, req_duplex),
12901 params->req_duplex[0] | (params->req_duplex[1] << 16));
12902
12903 REG_WR(bp, params->lfa_base +
12904 offsetof(struct shmem_lfa, req_flow_ctrl),
12905 params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16));
12906
12907 REG_WR(bp, params->lfa_base +
12908 offsetof(struct shmem_lfa, req_line_speed),
12909 params->req_line_speed[0] | (params->req_line_speed[1] << 16));
12910
12911 for (cfg_idx = 0; cfg_idx < SHMEM_LINK_CONFIG_SIZE; cfg_idx++) {
12912 REG_WR(bp, params->lfa_base +
12913 offsetof(struct shmem_lfa,
12914 speed_cap_mask[cfg_idx]),
12915 params->speed_cap_mask[cfg_idx]);
12916 }
12917
12918 tmp_val = REG_RD(bp, params->lfa_base +
12919 offsetof(struct shmem_lfa, additional_config));
12920 tmp_val &= ~REQ_FC_AUTO_ADV_MASK;
12921 tmp_val |= params->req_fc_auto_adv;
12922
12923 REG_WR(bp, params->lfa_base +
12924 offsetof(struct shmem_lfa, additional_config), tmp_val);
12925
12926 lfa_sts = REG_RD(bp, params->lfa_base +
12927 offsetof(struct shmem_lfa, lfa_sts));
12928
12929 /* Clear the "Don't Clear Statistics" bit, and set reason */
12930 lfa_sts &= ~SHMEM_LFA_DONT_CLEAR_STAT;
12931
12932 /* Set link flap reason */
12933 lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
12934 lfa_sts |= ((lfa_status & LFA_LINK_FLAP_REASON_MASK) <<
12935 LFA_LINK_FLAP_REASON_OFFSET);
12936
12937 /* Increment link flap counter */
12938 lfa_sts = ((lfa_sts & ~LINK_FLAP_COUNT_MASK) |
12939 (((((lfa_sts & LINK_FLAP_COUNT_MASK) >>
12940 LINK_FLAP_COUNT_OFFSET) + 1) & 0xff)
12941 << LINK_FLAP_COUNT_OFFSET));
12942 REG_WR(bp, params->lfa_base +
12943 offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
12944 /* Proceed with regular link initialization */
12945 }
12946
bnx2x_phy_init(struct link_params * params,struct link_vars * vars)12947 int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
12948 {
12949 int lfa_status;
12950 struct bnx2x *bp = params->bp;
12951 DP(NETIF_MSG_LINK, "Phy Initialization started\n");
12952 DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
12953 params->req_line_speed[0], params->req_flow_ctrl[0]);
12954 DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
12955 params->req_line_speed[1], params->req_flow_ctrl[1]);
12956 DP(NETIF_MSG_LINK, "req_adv_flow_ctrl 0x%x\n", params->req_fc_auto_adv);
12957 vars->link_status = 0;
12958 vars->phy_link_up = 0;
12959 vars->link_up = 0;
12960 vars->line_speed = 0;
12961 vars->duplex = DUPLEX_FULL;
12962 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12963 vars->mac_type = MAC_TYPE_NONE;
12964 vars->phy_flags = 0;
12965 vars->check_kr2_recovery_cnt = 0;
12966 params->link_flags = PHY_INITIALIZED;
12967 /* Driver opens NIG-BRB filters */
12968 bnx2x_set_rx_filter(params, 1);
12969 bnx2x_chng_link_count(params, true);
12970 /* Check if link flap can be avoided */
12971 lfa_status = bnx2x_check_lfa(params);
12972
12973 if (lfa_status == 0) {
12974 DP(NETIF_MSG_LINK, "Link Flap Avoidance in progress\n");
12975 return bnx2x_avoid_link_flap(params, vars);
12976 }
12977
12978 DP(NETIF_MSG_LINK, "Cannot avoid link flap lfa_sta=0x%x\n",
12979 lfa_status);
12980 bnx2x_cannot_avoid_link_flap(params, vars, lfa_status);
12981
12982 /* Disable attentions */
12983 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
12984 (NIG_MASK_XGXS0_LINK_STATUS |
12985 NIG_MASK_XGXS0_LINK10G |
12986 NIG_MASK_SERDES0_LINK_STATUS |
12987 NIG_MASK_MI_INT));
12988
12989 bnx2x_emac_init(params, vars);
12990
12991 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
12992 vars->link_status |= LINK_STATUS_PFC_ENABLED;
12993
12994 if (params->num_phys == 0) {
12995 DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
12996 return -EINVAL;
12997 }
12998 set_phy_vars(params, vars);
12999
13000 DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
13001 switch (params->loopback_mode) {
13002 case LOOPBACK_BMAC:
13003 bnx2x_init_bmac_loopback(params, vars);
13004 break;
13005 case LOOPBACK_EMAC:
13006 bnx2x_init_emac_loopback(params, vars);
13007 break;
13008 case LOOPBACK_XMAC:
13009 bnx2x_init_xmac_loopback(params, vars);
13010 break;
13011 case LOOPBACK_UMAC:
13012 bnx2x_init_umac_loopback(params, vars);
13013 break;
13014 case LOOPBACK_XGXS:
13015 case LOOPBACK_EXT_PHY:
13016 bnx2x_init_xgxs_loopback(params, vars);
13017 break;
13018 default:
13019 if (!CHIP_IS_E3(bp)) {
13020 if (params->switch_cfg == SWITCH_CFG_10G)
13021 bnx2x_xgxs_deassert(params);
13022 else
13023 bnx2x_serdes_deassert(bp, params->port);
13024 }
13025 bnx2x_link_initialize(params, vars);
13026 msleep(30);
13027 bnx2x_link_int_enable(params);
13028 break;
13029 }
13030 bnx2x_update_mng(params, vars->link_status);
13031
13032 bnx2x_update_mng_eee(params, vars->eee_status);
13033 return 0;
13034 }
13035
bnx2x_link_reset(struct link_params * params,struct link_vars * vars,u8 reset_ext_phy)13036 int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
13037 u8 reset_ext_phy)
13038 {
13039 struct bnx2x *bp = params->bp;
13040 u8 phy_index, port = params->port, clear_latch_ind = 0;
13041 DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
13042 /* Disable attentions */
13043 vars->link_status = 0;
13044 bnx2x_chng_link_count(params, true);
13045 bnx2x_update_mng(params, vars->link_status);
13046 vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
13047 SHMEM_EEE_ACTIVE_BIT);
13048 bnx2x_update_mng_eee(params, vars->eee_status);
13049 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
13050 (NIG_MASK_XGXS0_LINK_STATUS |
13051 NIG_MASK_XGXS0_LINK10G |
13052 NIG_MASK_SERDES0_LINK_STATUS |
13053 NIG_MASK_MI_INT));
13054
13055 /* Activate nig drain */
13056 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
13057
13058 /* Disable nig egress interface */
13059 if (!CHIP_IS_E3(bp)) {
13060 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
13061 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
13062 }
13063
13064 if (!CHIP_IS_E3(bp)) {
13065 bnx2x_set_bmac_rx(bp, params->chip_id, port, 0);
13066 } else {
13067 bnx2x_set_xmac_rxtx(params, 0);
13068 bnx2x_set_umac_rxtx(params, 0);
13069 }
13070 /* Disable emac */
13071 if (!CHIP_IS_E3(bp))
13072 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
13073
13074 usleep_range(10000, 20000);
13075 /* The PHY reset is controlled by GPIO 1
13076 * Hold it as vars low
13077 */
13078 /* Clear link led */
13079 bnx2x_set_mdio_emac_per_phy(bp, params);
13080 bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
13081
13082 if (reset_ext_phy) {
13083 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
13084 phy_index++) {
13085 if (params->phy[phy_index].link_reset) {
13086 bnx2x_set_aer_mmd(params,
13087 ¶ms->phy[phy_index]);
13088 params->phy[phy_index].link_reset(
13089 ¶ms->phy[phy_index],
13090 params);
13091 }
13092 if (params->phy[phy_index].flags &
13093 FLAGS_REARM_LATCH_SIGNAL)
13094 clear_latch_ind = 1;
13095 }
13096 }
13097
13098 if (clear_latch_ind) {
13099 /* Clear latching indication */
13100 bnx2x_rearm_latch_signal(bp, port, 0);
13101 bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
13102 1 << NIG_LATCH_BC_ENABLE_MI_INT);
13103 }
13104 if (params->phy[INT_PHY].link_reset)
13105 params->phy[INT_PHY].link_reset(
13106 ¶ms->phy[INT_PHY], params);
13107
13108 /* Disable nig ingress interface */
13109 if (!CHIP_IS_E3(bp)) {
13110 /* Reset BigMac */
13111 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
13112 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
13113 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
13114 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
13115 } else {
13116 u32 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
13117 bnx2x_set_xumac_nig(params, 0, 0);
13118 if (REG_RD(bp, MISC_REG_RESET_REG_2) &
13119 MISC_REGISTERS_RESET_REG_2_XMAC)
13120 REG_WR(bp, xmac_base + XMAC_REG_CTRL,
13121 XMAC_CTRL_REG_SOFT_RESET);
13122 }
13123 vars->link_up = 0;
13124 vars->phy_flags = 0;
13125 return 0;
13126 }
bnx2x_lfa_reset(struct link_params * params,struct link_vars * vars)13127 int bnx2x_lfa_reset(struct link_params *params,
13128 struct link_vars *vars)
13129 {
13130 struct bnx2x *bp = params->bp;
13131 vars->link_up = 0;
13132 vars->phy_flags = 0;
13133 params->link_flags &= ~PHY_INITIALIZED;
13134 if (!params->lfa_base)
13135 return bnx2x_link_reset(params, vars, 1);
13136 /*
13137 * Activate NIG drain so that during this time the device won't send
13138 * anything while it is unable to response.
13139 */
13140 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
13141
13142 /*
13143 * Close gracefully the gate from BMAC to NIG such that no half packets
13144 * are passed.
13145 */
13146 if (!CHIP_IS_E3(bp))
13147 bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
13148
13149 if (CHIP_IS_E3(bp)) {
13150 bnx2x_set_xmac_rxtx(params, 0);
13151 bnx2x_set_umac_rxtx(params, 0);
13152 }
13153 /* Wait 10ms for the pipe to clean up*/
13154 usleep_range(10000, 20000);
13155
13156 /* Clean the NIG-BRB using the network filters in a way that will
13157 * not cut a packet in the middle.
13158 */
13159 bnx2x_set_rx_filter(params, 0);
13160
13161 /*
13162 * Re-open the gate between the BMAC and the NIG, after verifying the
13163 * gate to the BRB is closed, otherwise packets may arrive to the
13164 * firmware before driver had initialized it. The target is to achieve
13165 * minimum management protocol down time.
13166 */
13167 if (!CHIP_IS_E3(bp))
13168 bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 1);
13169
13170 if (CHIP_IS_E3(bp)) {
13171 bnx2x_set_xmac_rxtx(params, 1);
13172 bnx2x_set_umac_rxtx(params, 1);
13173 }
13174 /* Disable NIG drain */
13175 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
13176 return 0;
13177 }
13178
13179 /****************************************************************************/
13180 /* Common function */
13181 /****************************************************************************/
bnx2x_8073_common_init_phy(struct bnx2x * bp,u32 shmem_base_path[],u32 shmem2_base_path[],u8 phy_index,u32 chip_id)13182 static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
13183 u32 shmem_base_path[],
13184 u32 shmem2_base_path[], u8 phy_index,
13185 u32 chip_id)
13186 {
13187 struct bnx2x_phy phy[PORT_MAX];
13188 struct bnx2x_phy *phy_blk[PORT_MAX];
13189 u16 val;
13190 s8 port = 0;
13191 s8 port_of_path = 0;
13192 u32 swap_val, swap_override;
13193 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
13194 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
13195 port ^= (swap_val && swap_override);
13196 bnx2x_ext_phy_hw_reset(bp, port);
13197 /* PART1 - Reset both phys */
13198 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
13199 u32 shmem_base, shmem2_base;
13200 /* In E2, same phy is using for port0 of the two paths */
13201 if (CHIP_IS_E1x(bp)) {
13202 shmem_base = shmem_base_path[0];
13203 shmem2_base = shmem2_base_path[0];
13204 port_of_path = port;
13205 } else {
13206 shmem_base = shmem_base_path[port];
13207 shmem2_base = shmem2_base_path[port];
13208 port_of_path = 0;
13209 }
13210
13211 /* Extract the ext phy address for the port */
13212 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
13213 port_of_path, &phy[port]) !=
13214 0) {
13215 DP(NETIF_MSG_LINK, "populate_phy failed\n");
13216 return -EINVAL;
13217 }
13218 /* Disable attentions */
13219 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
13220 port_of_path*4,
13221 (NIG_MASK_XGXS0_LINK_STATUS |
13222 NIG_MASK_XGXS0_LINK10G |
13223 NIG_MASK_SERDES0_LINK_STATUS |
13224 NIG_MASK_MI_INT));
13225
13226 /* Need to take the phy out of low power mode in order
13227 * to write to access its registers
13228 */
13229 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
13230 MISC_REGISTERS_GPIO_OUTPUT_HIGH,
13231 port);
13232
13233 /* Reset the phy */
13234 bnx2x_cl45_write(bp, &phy[port],
13235 MDIO_PMA_DEVAD,
13236 MDIO_PMA_REG_CTRL,
13237 1<<15);
13238 }
13239
13240 /* Add delay of 150ms after reset */
13241 msleep(150);
13242
13243 if (phy[PORT_0].addr & 0x1) {
13244 phy_blk[PORT_0] = &(phy[PORT_1]);
13245 phy_blk[PORT_1] = &(phy[PORT_0]);
13246 } else {
13247 phy_blk[PORT_0] = &(phy[PORT_0]);
13248 phy_blk[PORT_1] = &(phy[PORT_1]);
13249 }
13250
13251 /* PART2 - Download firmware to both phys */
13252 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
13253 if (CHIP_IS_E1x(bp))
13254 port_of_path = port;
13255 else
13256 port_of_path = 0;
13257
13258 DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
13259 phy_blk[port]->addr);
13260 if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
13261 port_of_path))
13262 return -EINVAL;
13263
13264 /* Only set bit 10 = 1 (Tx power down) */
13265 bnx2x_cl45_read(bp, phy_blk[port],
13266 MDIO_PMA_DEVAD,
13267 MDIO_PMA_REG_TX_POWER_DOWN, &val);
13268
13269 /* Phase1 of TX_POWER_DOWN reset */
13270 bnx2x_cl45_write(bp, phy_blk[port],
13271 MDIO_PMA_DEVAD,
13272 MDIO_PMA_REG_TX_POWER_DOWN,
13273 (val | 1<<10));
13274 }
13275
13276 /* Toggle Transmitter: Power down and then up with 600ms delay
13277 * between
13278 */
13279 msleep(600);
13280
13281 /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
13282 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
13283 /* Phase2 of POWER_DOWN_RESET */
13284 /* Release bit 10 (Release Tx power down) */
13285 bnx2x_cl45_read(bp, phy_blk[port],
13286 MDIO_PMA_DEVAD,
13287 MDIO_PMA_REG_TX_POWER_DOWN, &val);
13288
13289 bnx2x_cl45_write(bp, phy_blk[port],
13290 MDIO_PMA_DEVAD,
13291 MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
13292 usleep_range(15000, 30000);
13293
13294 /* Read modify write the SPI-ROM version select register */
13295 bnx2x_cl45_read(bp, phy_blk[port],
13296 MDIO_PMA_DEVAD,
13297 MDIO_PMA_REG_EDC_FFE_MAIN, &val);
13298 bnx2x_cl45_write(bp, phy_blk[port],
13299 MDIO_PMA_DEVAD,
13300 MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
13301
13302 /* set GPIO2 back to LOW */
13303 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
13304 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
13305 }
13306 return 0;
13307 }
bnx2x_8726_common_init_phy(struct bnx2x * bp,u32 shmem_base_path[],u32 shmem2_base_path[],u8 phy_index,u32 chip_id)13308 static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
13309 u32 shmem_base_path[],
13310 u32 shmem2_base_path[], u8 phy_index,
13311 u32 chip_id)
13312 {
13313 u32 val;
13314 s8 port;
13315 struct bnx2x_phy phy;
13316 /* Use port1 because of the static port-swap */
13317 /* Enable the module detection interrupt */
13318 val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
13319 val |= ((1<<MISC_REGISTERS_GPIO_3)|
13320 (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
13321 REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
13322
13323 bnx2x_ext_phy_hw_reset(bp, 0);
13324 usleep_range(5000, 10000);
13325 for (port = 0; port < PORT_MAX; port++) {
13326 u32 shmem_base, shmem2_base;
13327
13328 /* In E2, same phy is using for port0 of the two paths */
13329 if (CHIP_IS_E1x(bp)) {
13330 shmem_base = shmem_base_path[0];
13331 shmem2_base = shmem2_base_path[0];
13332 } else {
13333 shmem_base = shmem_base_path[port];
13334 shmem2_base = shmem2_base_path[port];
13335 }
13336 /* Extract the ext phy address for the port */
13337 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
13338 port, &phy) !=
13339 0) {
13340 DP(NETIF_MSG_LINK, "populate phy failed\n");
13341 return -EINVAL;
13342 }
13343
13344 /* Reset phy*/
13345 bnx2x_cl45_write(bp, &phy,
13346 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
13347
13348
13349 /* Set fault module detected LED on */
13350 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
13351 MISC_REGISTERS_GPIO_HIGH,
13352 port);
13353 }
13354
13355 return 0;
13356 }
bnx2x_get_ext_phy_reset_gpio(struct bnx2x * bp,u32 shmem_base,u8 * io_gpio,u8 * io_port)13357 static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
13358 u8 *io_gpio, u8 *io_port)
13359 {
13360
13361 u32 phy_gpio_reset = REG_RD(bp, shmem_base +
13362 offsetof(struct shmem_region,
13363 dev_info.port_hw_config[PORT_0].default_cfg));
13364 switch (phy_gpio_reset) {
13365 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
13366 *io_gpio = 0;
13367 *io_port = 0;
13368 break;
13369 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
13370 *io_gpio = 1;
13371 *io_port = 0;
13372 break;
13373 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
13374 *io_gpio = 2;
13375 *io_port = 0;
13376 break;
13377 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
13378 *io_gpio = 3;
13379 *io_port = 0;
13380 break;
13381 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
13382 *io_gpio = 0;
13383 *io_port = 1;
13384 break;
13385 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
13386 *io_gpio = 1;
13387 *io_port = 1;
13388 break;
13389 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
13390 *io_gpio = 2;
13391 *io_port = 1;
13392 break;
13393 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
13394 *io_gpio = 3;
13395 *io_port = 1;
13396 break;
13397 default:
13398 /* Don't override the io_gpio and io_port */
13399 break;
13400 }
13401 }
13402
bnx2x_8727_common_init_phy(struct bnx2x * bp,u32 shmem_base_path[],u32 shmem2_base_path[],u8 phy_index,u32 chip_id)13403 static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
13404 u32 shmem_base_path[],
13405 u32 shmem2_base_path[], u8 phy_index,
13406 u32 chip_id)
13407 {
13408 s8 port, reset_gpio;
13409 u32 swap_val, swap_override;
13410 struct bnx2x_phy phy[PORT_MAX];
13411 struct bnx2x_phy *phy_blk[PORT_MAX];
13412 s8 port_of_path;
13413 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
13414 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
13415
13416 reset_gpio = MISC_REGISTERS_GPIO_1;
13417 port = 1;
13418
13419 /* Retrieve the reset gpio/port which control the reset.
13420 * Default is GPIO1, PORT1
13421 */
13422 bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
13423 (u8 *)&reset_gpio, (u8 *)&port);
13424
13425 /* Calculate the port based on port swap */
13426 port ^= (swap_val && swap_override);
13427
13428 /* Initiate PHY reset*/
13429 bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
13430 port);
13431 usleep_range(1000, 2000);
13432 bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
13433 port);
13434
13435 usleep_range(5000, 10000);
13436
13437 /* PART1 - Reset both phys */
13438 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
13439 u32 shmem_base, shmem2_base;
13440
13441 /* In E2, same phy is using for port0 of the two paths */
13442 if (CHIP_IS_E1x(bp)) {
13443 shmem_base = shmem_base_path[0];
13444 shmem2_base = shmem2_base_path[0];
13445 port_of_path = port;
13446 } else {
13447 shmem_base = shmem_base_path[port];
13448 shmem2_base = shmem2_base_path[port];
13449 port_of_path = 0;
13450 }
13451
13452 /* Extract the ext phy address for the port */
13453 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
13454 port_of_path, &phy[port]) !=
13455 0) {
13456 DP(NETIF_MSG_LINK, "populate phy failed\n");
13457 return -EINVAL;
13458 }
13459 /* disable attentions */
13460 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
13461 port_of_path*4,
13462 (NIG_MASK_XGXS0_LINK_STATUS |
13463 NIG_MASK_XGXS0_LINK10G |
13464 NIG_MASK_SERDES0_LINK_STATUS |
13465 NIG_MASK_MI_INT));
13466
13467
13468 /* Reset the phy */
13469 bnx2x_cl45_write(bp, &phy[port],
13470 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
13471 }
13472
13473 /* Add delay of 150ms after reset */
13474 msleep(150);
13475 if (phy[PORT_0].addr & 0x1) {
13476 phy_blk[PORT_0] = &(phy[PORT_1]);
13477 phy_blk[PORT_1] = &(phy[PORT_0]);
13478 } else {
13479 phy_blk[PORT_0] = &(phy[PORT_0]);
13480 phy_blk[PORT_1] = &(phy[PORT_1]);
13481 }
13482 /* PART2 - Download firmware to both phys */
13483 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
13484 if (CHIP_IS_E1x(bp))
13485 port_of_path = port;
13486 else
13487 port_of_path = 0;
13488 DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
13489 phy_blk[port]->addr);
13490 if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
13491 port_of_path))
13492 return -EINVAL;
13493 /* Disable PHY transmitter output */
13494 bnx2x_cl45_write(bp, phy_blk[port],
13495 MDIO_PMA_DEVAD,
13496 MDIO_PMA_REG_TX_DISABLE, 1);
13497
13498 }
13499 return 0;
13500 }
13501
bnx2x_84833_common_init_phy(struct bnx2x * bp,u32 shmem_base_path[],u32 shmem2_base_path[],u8 phy_index,u32 chip_id)13502 static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
13503 u32 shmem_base_path[],
13504 u32 shmem2_base_path[],
13505 u8 phy_index,
13506 u32 chip_id)
13507 {
13508 u8 reset_gpios;
13509 reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
13510 bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
13511 udelay(10);
13512 bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
13513 DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
13514 reset_gpios);
13515 return 0;
13516 }
13517
bnx2x_ext_phy_common_init(struct bnx2x * bp,u32 shmem_base_path[],u32 shmem2_base_path[],u8 phy_index,u32 ext_phy_type,u32 chip_id)13518 static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
13519 u32 shmem2_base_path[], u8 phy_index,
13520 u32 ext_phy_type, u32 chip_id)
13521 {
13522 int rc = 0;
13523
13524 switch (ext_phy_type) {
13525 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
13526 rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
13527 shmem2_base_path,
13528 phy_index, chip_id);
13529 break;
13530 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
13531 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
13532 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
13533 rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
13534 shmem2_base_path,
13535 phy_index, chip_id);
13536 break;
13537
13538 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
13539 /* GPIO1 affects both ports, so there's need to pull
13540 * it for single port alone
13541 */
13542 rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
13543 shmem2_base_path,
13544 phy_index, chip_id);
13545 break;
13546 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
13547 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
13548 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858:
13549 /* GPIO3's are linked, and so both need to be toggled
13550 * to obtain required 2us pulse.
13551 */
13552 rc = bnx2x_84833_common_init_phy(bp, shmem_base_path,
13553 shmem2_base_path,
13554 phy_index, chip_id);
13555 break;
13556 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
13557 rc = -EINVAL;
13558 break;
13559 default:
13560 DP(NETIF_MSG_LINK,
13561 "ext_phy 0x%x common init not required\n",
13562 ext_phy_type);
13563 break;
13564 }
13565
13566 if (rc)
13567 netdev_err(bp->dev, "Warning: PHY was not initialized,"
13568 " Port %d\n",
13569 0);
13570 return rc;
13571 }
13572
bnx2x_common_init_phy(struct bnx2x * bp,u32 shmem_base_path[],u32 shmem2_base_path[],u32 chip_id)13573 int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
13574 u32 shmem2_base_path[], u32 chip_id)
13575 {
13576 int rc = 0;
13577 u32 phy_ver, val;
13578 u8 phy_index = 0;
13579 u32 ext_phy_type, ext_phy_config;
13580
13581 bnx2x_set_mdio_clk(bp, chip_id, GRCBASE_EMAC0);
13582 bnx2x_set_mdio_clk(bp, chip_id, GRCBASE_EMAC1);
13583 DP(NETIF_MSG_LINK, "Begin common phy init\n");
13584 if (CHIP_IS_E3(bp)) {
13585 /* Enable EPIO */
13586 val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
13587 REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
13588 }
13589 /* Check if common init was already done */
13590 phy_ver = REG_RD(bp, shmem_base_path[0] +
13591 offsetof(struct shmem_region,
13592 port_mb[PORT_0].ext_phy_fw_version));
13593 if (phy_ver) {
13594 DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
13595 phy_ver);
13596 return 0;
13597 }
13598
13599 /* Read the ext_phy_type for arbitrary port(0) */
13600 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
13601 phy_index++) {
13602 ext_phy_config = bnx2x_get_ext_phy_config(bp,
13603 shmem_base_path[0],
13604 phy_index, 0);
13605 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
13606 rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
13607 shmem2_base_path,
13608 phy_index, ext_phy_type,
13609 chip_id);
13610 }
13611 return rc;
13612 }
13613
bnx2x_check_over_curr(struct link_params * params,struct link_vars * vars)13614 static void bnx2x_check_over_curr(struct link_params *params,
13615 struct link_vars *vars)
13616 {
13617 struct bnx2x *bp = params->bp;
13618 u32 cfg_pin;
13619 u8 port = params->port;
13620 u32 pin_val;
13621
13622 cfg_pin = (REG_RD(bp, params->shmem_base +
13623 offsetof(struct shmem_region,
13624 dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
13625 PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
13626 PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
13627
13628 /* Ignore check if no external input PIN available */
13629 if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
13630 return;
13631
13632 if (!pin_val) {
13633 if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
13634 netdev_err(bp->dev, "Error: Power fault on Port %d has"
13635 " been detected and the power to "
13636 "that SFP+ module has been removed"
13637 " to prevent failure of the card."
13638 " Please remove the SFP+ module and"
13639 " restart the system to clear this"
13640 " error.\n",
13641 params->port);
13642 vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
13643 bnx2x_warpcore_power_module(params, 0);
13644 }
13645 } else
13646 vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
13647 }
13648
13649 /* Returns 0 if no change occurred since last check; 1 otherwise. */
bnx2x_analyze_link_error(struct link_params * params,struct link_vars * vars,u32 status,u32 phy_flag,u32 link_flag,u8 notify)13650 static u8 bnx2x_analyze_link_error(struct link_params *params,
13651 struct link_vars *vars, u32 status,
13652 u32 phy_flag, u32 link_flag, u8 notify)
13653 {
13654 struct bnx2x *bp = params->bp;
13655 /* Compare new value with previous value */
13656 u8 led_mode;
13657 u32 old_status = (vars->phy_flags & phy_flag) ? 1 : 0;
13658
13659 if ((status ^ old_status) == 0)
13660 return 0;
13661
13662 /* If values differ */
13663 switch (phy_flag) {
13664 case PHY_HALF_OPEN_CONN_FLAG:
13665 DP(NETIF_MSG_LINK, "Analyze Remote Fault\n");
13666 break;
13667 case PHY_SFP_TX_FAULT_FLAG:
13668 DP(NETIF_MSG_LINK, "Analyze TX Fault\n");
13669 break;
13670 default:
13671 DP(NETIF_MSG_LINK, "Analyze UNKNOWN\n");
13672 }
13673 DP(NETIF_MSG_LINK, "Link changed:[%x %x]->%x\n", vars->link_up,
13674 old_status, status);
13675
13676 /* Do not touch the link in case physical link down */
13677 if ((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0)
13678 return 1;
13679
13680 /* a. Update shmem->link_status accordingly
13681 * b. Update link_vars->link_up
13682 */
13683 if (status) {
13684 vars->link_status &= ~LINK_STATUS_LINK_UP;
13685 vars->link_status |= link_flag;
13686 vars->link_up = 0;
13687 vars->phy_flags |= phy_flag;
13688
13689 /* activate nig drain */
13690 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
13691 /* Set LED mode to off since the PHY doesn't know about these
13692 * errors
13693 */
13694 led_mode = LED_MODE_OFF;
13695 } else {
13696 vars->link_status |= LINK_STATUS_LINK_UP;
13697 vars->link_status &= ~link_flag;
13698 vars->link_up = 1;
13699 vars->phy_flags &= ~phy_flag;
13700 led_mode = LED_MODE_OPER;
13701
13702 /* Clear nig drain */
13703 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
13704 }
13705 bnx2x_sync_link(params, vars);
13706 /* Update the LED according to the link state */
13707 bnx2x_set_led(params, vars, led_mode, SPEED_10000);
13708
13709 /* Update link status in the shared memory */
13710 bnx2x_update_mng(params, vars->link_status);
13711
13712 /* C. Trigger General Attention */
13713 vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
13714 if (notify)
13715 bnx2x_notify_link_changed(bp);
13716
13717 return 1;
13718 }
13719
13720 /******************************************************************************
13721 * Description:
13722 * This function checks for half opened connection change indication.
13723 * When such change occurs, it calls the bnx2x_analyze_link_error
13724 * to check if Remote Fault is set or cleared. Reception of remote fault
13725 * status message in the MAC indicates that the peer's MAC has detected
13726 * a fault, for example, due to break in the TX side of fiber.
13727 *
13728 ******************************************************************************/
bnx2x_check_half_open_conn(struct link_params * params,struct link_vars * vars,u8 notify)13729 static int bnx2x_check_half_open_conn(struct link_params *params,
13730 struct link_vars *vars,
13731 u8 notify)
13732 {
13733 struct bnx2x *bp = params->bp;
13734 u32 lss_status = 0;
13735 u32 mac_base;
13736 /* In case link status is physically up @ 10G do */
13737 if (((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0) ||
13738 (REG_RD(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4)))
13739 return 0;
13740
13741 if (CHIP_IS_E3(bp) &&
13742 (REG_RD(bp, MISC_REG_RESET_REG_2) &
13743 (MISC_REGISTERS_RESET_REG_2_XMAC))) {
13744 /* Check E3 XMAC */
13745 /* Note that link speed cannot be queried here, since it may be
13746 * zero while link is down. In case UMAC is active, LSS will
13747 * simply not be set
13748 */
13749 mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
13750
13751 /* Clear stick bits (Requires rising edge) */
13752 REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
13753 REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
13754 XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
13755 XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
13756 if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
13757 lss_status = 1;
13758
13759 bnx2x_analyze_link_error(params, vars, lss_status,
13760 PHY_HALF_OPEN_CONN_FLAG,
13761 LINK_STATUS_NONE, notify);
13762 } else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
13763 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
13764 /* Check E1X / E2 BMAC */
13765 u32 lss_status_reg;
13766 u32 wb_data[2];
13767 mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
13768 NIG_REG_INGRESS_BMAC0_MEM;
13769 /* Read BIGMAC_REGISTER_RX_LSS_STATUS */
13770 if (CHIP_IS_E2(bp))
13771 lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
13772 else
13773 lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
13774
13775 REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
13776 lss_status = (wb_data[0] > 0);
13777
13778 bnx2x_analyze_link_error(params, vars, lss_status,
13779 PHY_HALF_OPEN_CONN_FLAG,
13780 LINK_STATUS_NONE, notify);
13781 }
13782 return 0;
13783 }
bnx2x_sfp_tx_fault_detection(struct bnx2x_phy * phy,struct link_params * params,struct link_vars * vars)13784 static void bnx2x_sfp_tx_fault_detection(struct bnx2x_phy *phy,
13785 struct link_params *params,
13786 struct link_vars *vars)
13787 {
13788 struct bnx2x *bp = params->bp;
13789 u32 cfg_pin, value = 0;
13790 u8 led_change, port = params->port;
13791
13792 /* Get The SFP+ TX_Fault controlling pin ([eg]pio) */
13793 cfg_pin = (REG_RD(bp, params->shmem_base + offsetof(struct shmem_region,
13794 dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
13795 PORT_HW_CFG_E3_TX_FAULT_MASK) >>
13796 PORT_HW_CFG_E3_TX_FAULT_SHIFT;
13797
13798 if (bnx2x_get_cfg_pin(bp, cfg_pin, &value)) {
13799 DP(NETIF_MSG_LINK, "Failed to read pin 0x%02x\n", cfg_pin);
13800 return;
13801 }
13802
13803 led_change = bnx2x_analyze_link_error(params, vars, value,
13804 PHY_SFP_TX_FAULT_FLAG,
13805 LINK_STATUS_SFP_TX_FAULT, 1);
13806
13807 if (led_change) {
13808 /* Change TX_Fault led, set link status for further syncs */
13809 u8 led_mode;
13810
13811 if (vars->phy_flags & PHY_SFP_TX_FAULT_FLAG) {
13812 led_mode = MISC_REGISTERS_GPIO_HIGH;
13813 vars->link_status |= LINK_STATUS_SFP_TX_FAULT;
13814 } else {
13815 led_mode = MISC_REGISTERS_GPIO_LOW;
13816 vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
13817 }
13818
13819 /* If module is unapproved, led should be on regardless */
13820 if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
13821 DP(NETIF_MSG_LINK, "Change TX_Fault LED: ->%x\n",
13822 led_mode);
13823 bnx2x_set_e3_module_fault_led(params, led_mode);
13824 }
13825 }
13826 }
bnx2x_kr2_recovery(struct link_params * params,struct link_vars * vars,struct bnx2x_phy * phy)13827 static void bnx2x_kr2_recovery(struct link_params *params,
13828 struct link_vars *vars,
13829 struct bnx2x_phy *phy)
13830 {
13831 struct bnx2x *bp = params->bp;
13832 DP(NETIF_MSG_LINK, "KR2 recovery\n");
13833 bnx2x_warpcore_enable_AN_KR2(phy, params, vars);
13834 bnx2x_warpcore_restart_AN_KR(phy, params);
13835 }
13836
bnx2x_check_kr2_wa(struct link_params * params,struct link_vars * vars,struct bnx2x_phy * phy)13837 static void bnx2x_check_kr2_wa(struct link_params *params,
13838 struct link_vars *vars,
13839 struct bnx2x_phy *phy)
13840 {
13841 struct bnx2x *bp = params->bp;
13842 u16 base_page, next_page, not_kr2_device, lane;
13843 int sigdet;
13844
13845 /* Once KR2 was disabled, wait 5 seconds before checking KR2 recovery
13846 * Since some switches tend to reinit the AN process and clear the
13847 * advertised BP/NP after ~2 seconds causing the KR2 to be disabled
13848 * and recovered many times
13849 */
13850 if (vars->check_kr2_recovery_cnt > 0) {
13851 vars->check_kr2_recovery_cnt--;
13852 return;
13853 }
13854
13855 sigdet = bnx2x_warpcore_get_sigdet(phy, params);
13856 if (!sigdet) {
13857 if (!(params->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
13858 bnx2x_kr2_recovery(params, vars, phy);
13859 DP(NETIF_MSG_LINK, "No sigdet\n");
13860 }
13861 return;
13862 }
13863
13864 lane = bnx2x_get_warpcore_lane(phy, params);
13865 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
13866 MDIO_AER_BLOCK_AER_REG, lane);
13867 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
13868 MDIO_AN_REG_LP_AUTO_NEG, &base_page);
13869 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
13870 MDIO_AN_REG_LP_AUTO_NEG2, &next_page);
13871 bnx2x_set_aer_mmd(params, phy);
13872
13873 /* CL73 has not begun yet */
13874 if (base_page == 0) {
13875 if (!(params->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
13876 bnx2x_kr2_recovery(params, vars, phy);
13877 DP(NETIF_MSG_LINK, "No BP\n");
13878 }
13879 return;
13880 }
13881
13882 /* In case NP bit is not set in the BasePage, or it is set,
13883 * but only KX is advertised, declare this link partner as non-KR2
13884 * device.
13885 */
13886 not_kr2_device = (((base_page & 0x8000) == 0) ||
13887 (((base_page & 0x8000) &&
13888 ((next_page & 0xe0) == 0x20))));
13889
13890 /* In case KR2 is already disabled, check if we need to re-enable it */
13891 if (!(params->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
13892 if (!not_kr2_device) {
13893 DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page,
13894 next_page);
13895 bnx2x_kr2_recovery(params, vars, phy);
13896 }
13897 return;
13898 }
13899 /* KR2 is enabled, but not KR2 device */
13900 if (not_kr2_device) {
13901 /* Disable KR2 on both lanes */
13902 DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page, next_page);
13903 bnx2x_disable_kr2(params, vars, phy);
13904 /* Restart AN on leading lane */
13905 bnx2x_warpcore_restart_AN_KR(phy, params);
13906 return;
13907 }
13908 }
13909
bnx2x_period_func(struct link_params * params,struct link_vars * vars)13910 void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
13911 {
13912 u16 phy_idx;
13913 struct bnx2x *bp = params->bp;
13914 for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
13915 if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
13916 bnx2x_set_aer_mmd(params, ¶ms->phy[phy_idx]);
13917 if (bnx2x_check_half_open_conn(params, vars, 1) !=
13918 0)
13919 DP(NETIF_MSG_LINK, "Fault detection failed\n");
13920 break;
13921 }
13922 }
13923
13924 if (CHIP_IS_E3(bp)) {
13925 struct bnx2x_phy *phy = ¶ms->phy[INT_PHY];
13926 bnx2x_set_aer_mmd(params, phy);
13927 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
13928 (phy->speed_cap_mask &
13929 PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)) ||
13930 (phy->req_line_speed == SPEED_20000))
13931 bnx2x_check_kr2_wa(params, vars, phy);
13932 bnx2x_check_over_curr(params, vars);
13933 if (vars->rx_tx_asic_rst)
13934 bnx2x_warpcore_config_runtime(phy, params, vars);
13935
13936 if ((REG_RD(bp, params->shmem_base +
13937 offsetof(struct shmem_region, dev_info.
13938 port_hw_config[params->port].default_cfg))
13939 & PORT_HW_CFG_NET_SERDES_IF_MASK) ==
13940 PORT_HW_CFG_NET_SERDES_IF_SFI) {
13941 if (bnx2x_is_sfp_module_plugged(phy, params)) {
13942 bnx2x_sfp_tx_fault_detection(phy, params, vars);
13943 } else if (vars->link_status &
13944 LINK_STATUS_SFP_TX_FAULT) {
13945 /* Clean trail, interrupt corrects the leds */
13946 vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
13947 vars->phy_flags &= ~PHY_SFP_TX_FAULT_FLAG;
13948 /* Update link status in the shared memory */
13949 bnx2x_update_mng(params, vars->link_status);
13950 }
13951 }
13952 }
13953 }
13954
bnx2x_fan_failure_det_req(struct bnx2x * bp,u32 shmem_base,u32 shmem2_base,u8 port)13955 u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
13956 u32 shmem_base,
13957 u32 shmem2_base,
13958 u8 port)
13959 {
13960 u8 phy_index, fan_failure_det_req = 0;
13961 struct bnx2x_phy phy;
13962 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
13963 phy_index++) {
13964 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
13965 port, &phy)
13966 != 0) {
13967 DP(NETIF_MSG_LINK, "populate phy failed\n");
13968 return 0;
13969 }
13970 fan_failure_det_req |= (phy.flags &
13971 FLAGS_FAN_FAILURE_DET_REQ);
13972 }
13973 return fan_failure_det_req;
13974 }
13975
bnx2x_hw_reset_phy(struct link_params * params)13976 void bnx2x_hw_reset_phy(struct link_params *params)
13977 {
13978 u8 phy_index;
13979 struct bnx2x *bp = params->bp;
13980 bnx2x_update_mng(params, 0);
13981 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
13982 (NIG_MASK_XGXS0_LINK_STATUS |
13983 NIG_MASK_XGXS0_LINK10G |
13984 NIG_MASK_SERDES0_LINK_STATUS |
13985 NIG_MASK_MI_INT));
13986
13987 for (phy_index = INT_PHY; phy_index < MAX_PHYS;
13988 phy_index++) {
13989 if (params->phy[phy_index].hw_reset) {
13990 params->phy[phy_index].hw_reset(
13991 ¶ms->phy[phy_index],
13992 params);
13993 params->phy[phy_index] = phy_null;
13994 }
13995 }
13996 }
13997
bnx2x_init_mod_abs_int(struct bnx2x * bp,struct link_vars * vars,u32 chip_id,u32 shmem_base,u32 shmem2_base,u8 port)13998 void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
13999 u32 chip_id, u32 shmem_base, u32 shmem2_base,
14000 u8 port)
14001 {
14002 u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
14003 u32 val;
14004 u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
14005 if (CHIP_IS_E3(bp)) {
14006 if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
14007 shmem_base,
14008 port,
14009 &gpio_num,
14010 &gpio_port) != 0)
14011 return;
14012 } else {
14013 struct bnx2x_phy phy;
14014 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
14015 phy_index++) {
14016 if (bnx2x_populate_phy(bp, phy_index, shmem_base,
14017 shmem2_base, port, &phy)
14018 != 0) {
14019 DP(NETIF_MSG_LINK, "populate phy failed\n");
14020 return;
14021 }
14022 if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
14023 gpio_num = MISC_REGISTERS_GPIO_3;
14024 gpio_port = port;
14025 break;
14026 }
14027 }
14028 }
14029
14030 if (gpio_num == 0xff)
14031 return;
14032
14033 /* Set GPIO3 to trigger SFP+ module insertion/removal */
14034 bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
14035
14036 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
14037 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
14038 gpio_port ^= (swap_val && swap_override);
14039
14040 vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
14041 (gpio_num + (gpio_port << 2));
14042
14043 sync_offset = shmem_base +
14044 offsetof(struct shmem_region,
14045 dev_info.port_hw_config[port].aeu_int_mask);
14046 REG_WR(bp, sync_offset, vars->aeu_int_mask);
14047
14048 DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
14049 gpio_num, gpio_port, vars->aeu_int_mask);
14050
14051 if (port == 0)
14052 offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
14053 else
14054 offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
14055
14056 /* Open appropriate AEU for interrupts */
14057 aeu_mask = REG_RD(bp, offset);
14058 aeu_mask |= vars->aeu_int_mask;
14059 REG_WR(bp, offset, aeu_mask);
14060
14061 /* Enable the GPIO to trigger interrupt */
14062 val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
14063 val |= 1 << (gpio_num + (gpio_port << 2));
14064 REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
14065 }
14066