1 /* Copyright 2008-2013 Broadcom Corporation
3 * Unless you and Broadcom execute a separate written software license
4 * agreement governing use of this software, this software is licensed to you
5 * under the terms of the GNU General Public License version 2, available
6 * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
8 * Notwithstanding the above, under no circumstances may you combine this
9 * software in any way with any other Broadcom software provided under a
10 * license other than the GPL, without Broadcom's express prior written
13 * Written by Yaniv Rosner
17 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
19 #include <linux/kernel.h>
20 #include <linux/errno.h>
21 #include <linux/pci.h>
22 #include <linux/netdevice.h>
23 #include <linux/delay.h>
24 #include <linux/ethtool.h>
25 #include <linux/mutex.h>
28 #include "bnx2x_cmn.h"
30 typedef int (*read_sfp_module_eeprom_func_p)(struct bnx2x_phy *phy,
31 struct link_params *params,
32 u8 dev_addr, u16 addr, u8 byte_cnt,
34 /********************************************************/
36 /* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
37 #define ETH_OVREHEAD (ETH_HLEN + 8 + 8)
38 #define ETH_MIN_PACKET_SIZE 60
39 #define ETH_MAX_PACKET_SIZE 1500
40 #define ETH_MAX_JUMBO_PACKET_SIZE 9600
41 #define MDIO_ACCESS_TIMEOUT 1000
43 #define I2C_SWITCH_WIDTH 2
46 #define I2C_WA_RETRY_CNT 3
47 #define I2C_WA_PWR_ITER (I2C_WA_RETRY_CNT - 1)
48 #define MCPR_IMC_COMMAND_READ_OP 1
49 #define MCPR_IMC_COMMAND_WRITE_OP 2
51 /* LED Blink rate that will achieve ~15.9Hz */
52 #define LED_BLINK_RATE_VAL_E3 354
53 #define LED_BLINK_RATE_VAL_E1X_E2 480
54 /***********************************************************/
55 /* Shortcut definitions */
56 /***********************************************************/
58 #define NIG_LATCH_BC_ENABLE_MI_INT 0
60 #define NIG_STATUS_EMAC0_MI_INT \
61 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
62 #define NIG_STATUS_XGXS0_LINK10G \
63 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
64 #define NIG_STATUS_XGXS0_LINK_STATUS \
65 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
66 #define NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
67 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
68 #define NIG_STATUS_SERDES0_LINK_STATUS \
69 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
70 #define NIG_MASK_MI_INT \
71 NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
72 #define NIG_MASK_XGXS0_LINK10G \
73 NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
74 #define NIG_MASK_XGXS0_LINK_STATUS \
75 NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
76 #define NIG_MASK_SERDES0_LINK_STATUS \
77 NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS
79 #define MDIO_AN_CL73_OR_37_COMPLETE \
80 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
81 MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)
83 #define XGXS_RESET_BITS \
84 (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW | \
85 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ | \
86 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN | \
87 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \
88 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB)
90 #define SERDES_RESET_BITS \
91 (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \
92 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ | \
93 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN | \
94 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD)
96 #define AUTONEG_CL37 SHARED_HW_CFG_AN_ENABLE_CL37
97 #define AUTONEG_CL73 SHARED_HW_CFG_AN_ENABLE_CL73
98 #define AUTONEG_BAM SHARED_HW_CFG_AN_ENABLE_BAM
99 #define AUTONEG_PARALLEL \
100 SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
101 #define AUTONEG_SGMII_FIBER_AUTODET \
102 SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
103 #define AUTONEG_REMOTE_PHY SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
105 #define GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
106 MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
107 #define GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
108 MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
109 #define GP_STATUS_SPEED_MASK \
110 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
111 #define GP_STATUS_10M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
112 #define GP_STATUS_100M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
113 #define GP_STATUS_1G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
114 #define GP_STATUS_2_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
115 #define GP_STATUS_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
116 #define GP_STATUS_6G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
117 #define GP_STATUS_10G_HIG \
118 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
119 #define GP_STATUS_10G_CX4 \
120 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
121 #define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
122 #define GP_STATUS_10G_KX4 \
123 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
124 #define GP_STATUS_10G_KR MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KR
125 #define GP_STATUS_10G_XFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_XFI
126 #define GP_STATUS_20G_DXGXS MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_DXGXS
127 #define GP_STATUS_10G_SFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_SFI
128 #define GP_STATUS_20G_KR2 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_KR2
129 #define LINK_10THD LINK_STATUS_SPEED_AND_DUPLEX_10THD
130 #define LINK_10TFD LINK_STATUS_SPEED_AND_DUPLEX_10TFD
131 #define LINK_100TXHD LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
132 #define LINK_100T4 LINK_STATUS_SPEED_AND_DUPLEX_100T4
133 #define LINK_100TXFD LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
134 #define LINK_1000THD LINK_STATUS_SPEED_AND_DUPLEX_1000THD
135 #define LINK_1000TFD LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
136 #define LINK_1000XFD LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
137 #define LINK_2500THD LINK_STATUS_SPEED_AND_DUPLEX_2500THD
138 #define LINK_2500TFD LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
139 #define LINK_2500XFD LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
140 #define LINK_10GTFD LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
141 #define LINK_10GXFD LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
142 #define LINK_20GTFD LINK_STATUS_SPEED_AND_DUPLEX_20GTFD
143 #define LINK_20GXFD LINK_STATUS_SPEED_AND_DUPLEX_20GXFD
145 #define LINK_UPDATE_MASK \
146 (LINK_STATUS_SPEED_AND_DUPLEX_MASK | \
147 LINK_STATUS_LINK_UP | \
148 LINK_STATUS_PHYSICAL_LINK_FLAG | \
149 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE | \
150 LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK | \
151 LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK | \
152 LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK | \
153 LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE | \
154 LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE)
156 #define SFP_EEPROM_CON_TYPE_ADDR 0x2
157 #define SFP_EEPROM_CON_TYPE_VAL_UNKNOWN 0x0
158 #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7
159 #define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21
160 #define SFP_EEPROM_CON_TYPE_VAL_RJ45 0x22
163 #define SFP_EEPROM_10G_COMP_CODE_ADDR 0x3
164 #define SFP_EEPROM_10G_COMP_CODE_SR_MASK (1<<4)
165 #define SFP_EEPROM_10G_COMP_CODE_LR_MASK (1<<5)
166 #define SFP_EEPROM_10G_COMP_CODE_LRM_MASK (1<<6)
168 #define SFP_EEPROM_1G_COMP_CODE_ADDR 0x6
169 #define SFP_EEPROM_1G_COMP_CODE_SX (1<<0)
170 #define SFP_EEPROM_1G_COMP_CODE_LX (1<<1)
171 #define SFP_EEPROM_1G_COMP_CODE_CX (1<<2)
172 #define SFP_EEPROM_1G_COMP_CODE_BASE_T (1<<3)
174 #define SFP_EEPROM_FC_TX_TECH_ADDR 0x8
175 #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
176 #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8
178 #define SFP_EEPROM_OPTIONS_ADDR 0x40
179 #define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
180 #define SFP_EEPROM_OPTIONS_SIZE 2
182 #define EDC_MODE_LINEAR 0x0022
183 #define EDC_MODE_LIMITING 0x0044
184 #define EDC_MODE_PASSIVE_DAC 0x0055
185 #define EDC_MODE_ACTIVE_DAC 0x0066
188 #define DCBX_INVALID_COS (0xFF)
190 #define ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000)
191 #define ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000)
192 #define ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS (1360)
193 #define ETS_E3B0_NIG_MIN_W_VAL_20GBPS (2720)
194 #define ETS_E3B0_PBF_MIN_W_VAL (10000)
196 #define MAX_PACKET_SIZE (9700)
197 #define MAX_KR_LINK_RETRY 4
199 /**********************************************************/
201 /**********************************************************/
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)), \
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)), \
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);
220 static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
222 u32 val = REG_RD(bp, reg);
225 REG_WR(bp, reg, val);
229 static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
231 u32 val = REG_RD(bp, reg);
234 REG_WR(bp, reg, val);
239 * bnx2x_check_lfa - This function checks if link reinitialization is required,
240 * or link flap can be avoided.
242 * @params: link parameters
243 * Returns 0 if Link Flap Avoidance conditions are met otherwise, the failed
246 static int bnx2x_check_lfa(struct link_params *params)
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;
254 REG_RD(bp, params->lfa_base +
255 offsetof(struct shmem_lfa, additional_config));
257 /* NOTE: must be first condition checked -
258 * to verify DCC bit is cleared in any case!
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;
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;
275 /* if loaded after BOOT from SAN, don't flap the link in any case and
276 * rely on link set by preboot driver
278 if (params->feature_config_flags & FEATURE_CONFIG_BOOT_FROM_SAN)
281 /* Verify that loopback mode is not set */
282 if (params->loopback_mode)
283 return LFA_LOOPBACK_ENABLED;
285 /* Verify that MFW supports LFA */
286 if (!params->lfa_base)
287 return LFA_MFW_IS_TOO_OLD;
289 if (params->num_phys == 3) {
291 lfa_mask = 0xffffffff;
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;
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;
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;
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]));
330 if (cur_speed_cap_mask != params->speed_cap_mask[cfg_idx]) {
331 DP(NETIF_MSG_LINK, "Speed Cap mismatch %x vs. %x\n",
333 params->speed_cap_mask[cfg_idx]);
334 return LFA_SPEED_CAP_MISMATCH;
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;
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;
349 eee_status = REG_RD(bp, params->shmem2_base +
350 offsetof(struct shmem2_region,
351 eee_status[params->port]));
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,
359 return LFA_EEE_MISMATCH;
362 /* LFA conditions are met */
365 /******************************************************************/
366 /* EPIO/GPIO section */
367 /******************************************************************/
368 static void bnx2x_get_epio(struct bnx2x *bp, u32 epio_pin, u32 *en)
370 u32 epio_mask, gp_oenable;
374 DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to get\n", epio_pin);
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);
383 *en = (REG_RD(bp, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin;
385 static void bnx2x_set_epio(struct bnx2x *bp, u32 epio_pin, u32 en)
387 u32 epio_mask, gp_output, gp_oenable;
391 DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to set\n", epio_pin);
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);
399 gp_output |= epio_mask;
401 gp_output &= ~epio_mask;
403 REG_WR(bp, MCP_REG_MCPR_GP_OUTPUTS, gp_output);
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);
410 static void bnx2x_set_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 val)
412 if (pin_cfg == PIN_CFG_NA)
414 if (pin_cfg >= PIN_CFG_EPIO0) {
415 bnx2x_set_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
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);
423 static u32 bnx2x_get_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 *val)
425 if (pin_cfg == PIN_CFG_NA)
427 if (pin_cfg >= PIN_CFG_EPIO0) {
428 bnx2x_get_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
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);
437 /******************************************************************/
439 /******************************************************************/
440 static void bnx2x_ets_e2e3a0_disabled(struct link_params *params)
442 /* ETS disabled configuration*/
443 struct bnx2x *bp = params->bp;
445 DP(NETIF_MSG_LINK, "ETS E2E3 disabled configuration\n");
447 /* mapping between entry priority to client number (0,1,2 -debug and
448 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
450 * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
451 * cos1-100 cos0-011 dbg1-010 dbg0-001 MCP-000
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
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.
469 REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
470 /* mapping between the CREDIT_WEIGHT registers and actual client
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);
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.
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);
493 /******************************************************************************
495 * Getting min_w_val will be set according to line speed .
497 ******************************************************************************/
498 static u32 bnx2x_ets_get_min_w_val_nig(const struct link_vars *vars)
501 /* Calculate min_w_val.*/
503 if (vars->line_speed == SPEED_20000)
504 min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
506 min_w_val = ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS;
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.
514 /******************************************************************************
516 * Getting credit upper bound form min_w_val.
518 ******************************************************************************/
519 static u32 bnx2x_ets_get_credit_upper_bound(const u32 min_w_val)
521 const u32 credit_upper_bound = (u32)MAXVAL((150 * min_w_val),
523 return credit_upper_bound;
525 /******************************************************************************
527 * Set credit upper bound for NIG.
529 ******************************************************************************/
530 static void bnx2x_ets_e3b0_set_credit_upper_bound_nig(
531 const struct link_params *params,
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);
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);
553 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6,
555 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7,
557 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8,
561 /******************************************************************************
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 acording to spec
568 ******************************************************************************/
569 static void bnx2x_ets_e3b0_nig_disabled(const struct link_params *params,
570 const struct link_vars *vars)
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
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);
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);
587 /* For strict priority entries defines the number of consecutive
588 * slots for the highest priority.
590 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS :
591 NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
592 /* Mapping between the CREDIT_WEIGHT registers and actual client
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);
601 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB,
603 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5);
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
614 REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f);
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);
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
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);
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);
645 bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val);
647 /******************************************************************************
649 * Set credit upper bound for PBF.
651 ******************************************************************************/
652 static void bnx2x_ets_e3b0_set_credit_upper_bound_pbf(
653 const struct link_params *params,
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;
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.
667 base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0;
668 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
670 base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1;
671 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
674 for (i = 0; i < max_cos; i++)
675 REG_WR(bp, base_upper_bound + (i << 2), credit_upper_bound);
678 /******************************************************************************
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 acording to spec
685 ******************************************************************************/
686 static void bnx2x_ets_e3b0_pbf_disabled(const struct link_params *params)
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;
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
700 /* 0x688 (|011|0 10|00 1|000) */
701 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , 0x688);
703 /* (10 1|100 |011|0 10|00 1|000) */
704 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , 0x2C688);
706 /* TODO_ETS - Should be done by reset value or init tool */
708 /* 0x688 (|011|0 10|00 1|000)*/
709 REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688);
711 /* 0x2C688 (10 1|100 |011|0 10|00 1|000) */
712 REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688);
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);
718 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
719 PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , 0);
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.
727 base_weight = PBF_REG_COS0_WEIGHT_P0;
728 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
730 base_weight = PBF_REG_COS0_WEIGHT_P1;
731 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
734 for (i = 0; i < max_cos; i++)
735 REG_WR(bp, base_weight + (0x4 * i), 0);
737 bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
739 /******************************************************************************
741 * E3B0 disable will return basicly the values to init values.
743 ******************************************************************************/
744 static int bnx2x_ets_e3b0_disabled(const struct link_params *params,
745 const struct link_vars *vars)
747 struct bnx2x *bp = params->bp;
749 if (!CHIP_IS_E3B0(bp)) {
751 "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
755 bnx2x_ets_e3b0_nig_disabled(params, vars);
757 bnx2x_ets_e3b0_pbf_disabled(params);
762 /******************************************************************************
764 * Disable will return basicly the values to init values.
766 ******************************************************************************/
767 int bnx2x_ets_disabled(struct link_params *params,
768 struct link_vars *vars)
770 struct bnx2x *bp = params->bp;
771 int bnx2x_status = 0;
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);
778 DP(NETIF_MSG_LINK, "bnx2x_ets_disabled - chip not supported\n");
785 /******************************************************************************
787 * Set the COS mappimg to SP and BW until this point all the COS are not
789 ******************************************************************************/
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)
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;
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);
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);
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);
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);
819 /******************************************************************************
821 * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
822 * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
823 ******************************************************************************/
824 static int bnx2x_ets_e3b0_set_cos_bw(struct bnx2x *bp,
826 const u32 min_w_val_nig,
827 const u32 min_w_val_pbf,
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;
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;
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;
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;
858 pbf_reg_adress_crd_weight = (port) ?
859 PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0;
864 nig_reg_adress_crd_weight =
865 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3;
866 pbf_reg_adress_crd_weight =
867 PBF_REG_COS3_WEIGHT_P0;
872 nig_reg_adress_crd_weight =
873 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4;
874 pbf_reg_adress_crd_weight = PBF_REG_COS4_WEIGHT_P0;
879 nig_reg_adress_crd_weight =
880 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5;
881 pbf_reg_adress_crd_weight = PBF_REG_COS5_WEIGHT_P0;
885 REG_WR(bp, nig_reg_adress_crd_weight, cos_bw_nig);
887 REG_WR(bp, pbf_reg_adress_crd_weight, cos_bw_pbf);
891 /******************************************************************************
893 * Calculate the total BW.A value of 0 isn't legal.
895 ******************************************************************************/
896 static int bnx2x_ets_e3b0_get_total_bw(
897 const struct link_params *params,
898 struct bnx2x_ets_params *ets_params,
901 struct bnx2x *bp = params->bp;
903 u8 is_bw_cos_exist = 0;
906 /* Calculate total BW requested */
907 for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
908 if (ets_params->cos[cos_idx].state == bnx2x_cos_state_bw) {
910 if (!ets_params->cos[cos_idx].params.bw_params.bw) {
911 DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config BW"
913 /* This is to prevent a state when ramrods
916 ets_params->cos[cos_idx].params.bw_params.bw
920 ets_params->cos[cos_idx].params.bw_params.bw;
924 /* Check total BW is valid */
925 if ((is_bw_cos_exist == 1) && (*total_bw != 100)) {
926 if (*total_bw == 0) {
928 "bnx2x_ets_E3B0_config total BW shouldn't be 0\n");
932 "bnx2x_ets_E3B0_config total BW should be 100\n");
933 /* We can handle a case whre the BW isn't 100 this can happen
934 * if the TC are joined.
940 /******************************************************************************
942 * Invalidate all the sp_pri_to_cos.
944 ******************************************************************************/
945 static void bnx2x_ets_e3b0_sp_pri_to_cos_init(u8 *sp_pri_to_cos)
948 for (pri = 0; pri < DCBX_MAX_NUM_COS; pri++)
949 sp_pri_to_cos[pri] = DCBX_INVALID_COS;
951 /******************************************************************************
953 * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
954 * according to sp_pri_to_cos.
956 ******************************************************************************/
957 static int bnx2x_ets_e3b0_sp_pri_to_cos_set(const struct link_params *params,
958 u8 *sp_pri_to_cos, const u8 pri,
961 struct bnx2x *bp = params->bp;
962 const u8 port = params->port;
963 const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
964 DCBX_E3B0_MAX_NUM_COS_PORT0;
966 if (pri >= max_num_of_cos) {
967 DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
968 "parameter Illegal strict priority\n");
972 if (sp_pri_to_cos[pri] != DCBX_INVALID_COS) {
973 DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
974 "parameter There can't be two COS's with "
975 "the same strict pri\n");
979 sp_pri_to_cos[pri] = cos_entry;
984 /******************************************************************************
986 * Returns the correct value according to COS and priority in
987 * the sp_pri_cli register.
989 ******************************************************************************/
990 static u64 bnx2x_e3b0_sp_get_pri_cli_reg(const u8 cos, const u8 cos_offset,
996 pri_cli_nig = ((u64)(cos + cos_offset)) << (entry_size *
997 (pri_set + pri_offset));
1001 /******************************************************************************
1003 * Returns the correct value according to COS and priority in the
1004 * sp_pri_cli register for NIG.
1006 ******************************************************************************/
1007 static u64 bnx2x_e3b0_sp_get_pri_cli_reg_nig(const u8 cos, const u8 pri_set)
1009 /* MCP Dbg0 and dbg1 are always with higher strict pri*/
1010 const u8 nig_cos_offset = 3;
1011 const u8 nig_pri_offset = 3;
1013 return bnx2x_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
1017 /******************************************************************************
1019 * Returns the correct value according to COS and priority in the
1020 * sp_pri_cli register for PBF.
1022 ******************************************************************************/
1023 static u64 bnx2x_e3b0_sp_get_pri_cli_reg_pbf(const u8 cos, const u8 pri_set)
1025 const u8 pbf_cos_offset = 0;
1026 const u8 pbf_pri_offset = 0;
1028 return bnx2x_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
1033 /******************************************************************************
1035 * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
1036 * according to sp_pri_to_cos.(which COS has higher priority)
1038 ******************************************************************************/
1039 static int bnx2x_ets_e3b0_sp_set_pri_cli_reg(const struct link_params *params,
1042 struct bnx2x *bp = params->bp;
1044 const u8 port = params->port;
1045 /* MCP Dbg0 and dbg1 are always with higher strict pri*/
1046 u64 pri_cli_nig = 0x210;
1047 u32 pri_cli_pbf = 0x0;
1050 const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
1051 DCBX_E3B0_MAX_NUM_COS_PORT0;
1053 u8 cos_bit_to_set = (1 << max_num_of_cos) - 1;
1055 /* Set all the strict priority first */
1056 for (i = 0; i < max_num_of_cos; i++) {
1057 if (sp_pri_to_cos[i] != DCBX_INVALID_COS) {
1058 if (sp_pri_to_cos[i] >= DCBX_MAX_NUM_COS) {
1060 "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
1061 "invalid cos entry\n");
1065 pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
1066 sp_pri_to_cos[i], pri_set);
1068 pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
1069 sp_pri_to_cos[i], pri_set);
1070 pri_bitmask = 1 << sp_pri_to_cos[i];
1071 /* COS is used remove it from bitmap.*/
1072 if (!(pri_bitmask & cos_bit_to_set)) {
1074 "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
1075 "invalid There can't be two COS's with"
1076 " the same strict pri\n");
1079 cos_bit_to_set &= ~pri_bitmask;
1084 /* Set all the Non strict priority i= COS*/
1085 for (i = 0; i < max_num_of_cos; i++) {
1086 pri_bitmask = 1 << i;
1087 /* Check if COS was already used for SP */
1088 if (pri_bitmask & cos_bit_to_set) {
1089 /* COS wasn't used for SP */
1090 pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
1093 pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
1095 /* COS is used remove it from bitmap.*/
1096 cos_bit_to_set &= ~pri_bitmask;
1101 if (pri_set != max_num_of_cos) {
1102 DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_set_pri_cli_reg not all "
1103 "entries were set\n");
1108 /* Only 6 usable clients*/
1109 REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
1112 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf);
1114 /* Only 9 usable clients*/
1115 const u32 pri_cli_nig_lsb = (u32) (pri_cli_nig);
1116 const u32 pri_cli_nig_msb = (u32) ((pri_cli_nig >> 32) & 0xF);
1118 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB,
1120 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB,
1123 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf);
1128 /******************************************************************************
1130 * Configure the COS to ETS according to BW and SP settings.
1131 ******************************************************************************/
1132 int bnx2x_ets_e3b0_config(const struct link_params *params,
1133 const struct link_vars *vars,
1134 struct bnx2x_ets_params *ets_params)
1136 struct bnx2x *bp = params->bp;
1137 int bnx2x_status = 0;
1138 const u8 port = params->port;
1140 const u32 min_w_val_nig = bnx2x_ets_get_min_w_val_nig(vars);
1141 const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
1142 u8 cos_bw_bitmap = 0;
1143 u8 cos_sp_bitmap = 0;
1144 u8 sp_pri_to_cos[DCBX_MAX_NUM_COS] = {0};
1145 const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
1146 DCBX_E3B0_MAX_NUM_COS_PORT0;
1149 if (!CHIP_IS_E3B0(bp)) {
1151 "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
1155 if ((ets_params->num_of_cos > max_num_of_cos)) {
1156 DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config the number of COS "
1157 "isn't supported\n");
1161 /* Prepare sp strict priority parameters*/
1162 bnx2x_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);
1164 /* Prepare BW parameters*/
1165 bnx2x_status = bnx2x_ets_e3b0_get_total_bw(params, ets_params,
1169 "bnx2x_ets_E3B0_config get_total_bw failed\n");
1173 /* Upper bound is set according to current link speed (min_w_val
1174 * should be the same for upper bound and COS credit val).
1176 bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig);
1177 bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
1180 for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) {
1181 if (bnx2x_cos_state_bw == ets_params->cos[cos_entry].state) {
1182 cos_bw_bitmap |= (1 << cos_entry);
1183 /* The function also sets the BW in HW(not the mappin
1186 bnx2x_status = bnx2x_ets_e3b0_set_cos_bw(
1187 bp, cos_entry, min_w_val_nig, min_w_val_pbf,
1189 ets_params->cos[cos_entry].params.bw_params.bw,
1191 } else if (bnx2x_cos_state_strict ==
1192 ets_params->cos[cos_entry].state){
1193 cos_sp_bitmap |= (1 << cos_entry);
1195 bnx2x_status = bnx2x_ets_e3b0_sp_pri_to_cos_set(
1198 ets_params->cos[cos_entry].params.sp_params.pri,
1203 "bnx2x_ets_e3b0_config cos state not valid\n");
1208 "bnx2x_ets_e3b0_config set cos bw failed\n");
1209 return bnx2x_status;
1213 /* Set SP register (which COS has higher priority) */
1214 bnx2x_status = bnx2x_ets_e3b0_sp_set_pri_cli_reg(params,
1219 "bnx2x_ets_E3B0_config set_pri_cli_reg failed\n");
1220 return bnx2x_status;
1223 /* Set client mapping of BW and strict */
1224 bnx2x_status = bnx2x_ets_e3b0_cli_map(params, ets_params,
1229 DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n");
1230 return bnx2x_status;
1234 static void bnx2x_ets_bw_limit_common(const struct link_params *params)
1236 /* ETS disabled configuration */
1237 struct bnx2x *bp = params->bp;
1238 DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
1239 /* Defines which entries (clients) are subjected to WFQ arbitration
1243 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
1244 /* Mapping between the ARB_CREDIT_WEIGHT registers and actual
1245 * client numbers (WEIGHT_0 does not actually have to represent
1247 * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
1248 * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010
1250 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
1252 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
1253 ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1254 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
1255 ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1257 /* ETS mode enabled*/
1258 REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
1260 /* Defines the number of consecutive slots for the strict priority */
1261 REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
1262 /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
1263 * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0
1264 * entry, 4 - COS1 entry.
1265 * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
1266 * bit4 bit3 bit2 bit1 bit0
1267 * MCP and debug are strict
1269 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
1271 /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
1272 REG_WR(bp, PBF_REG_COS0_UPPER_BOUND,
1273 ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1274 REG_WR(bp, PBF_REG_COS1_UPPER_BOUND,
1275 ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1278 void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
1281 /* ETS disabled configuration*/
1282 struct bnx2x *bp = params->bp;
1283 const u32 total_bw = cos0_bw + cos1_bw;
1284 u32 cos0_credit_weight = 0;
1285 u32 cos1_credit_weight = 0;
1287 DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
1292 DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
1296 cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
1298 cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
1301 bnx2x_ets_bw_limit_common(params);
1303 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
1304 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
1306 REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
1307 REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
1310 int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
1312 /* ETS disabled configuration*/
1313 struct bnx2x *bp = params->bp;
1316 DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
1317 /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
1318 * as strict. Bits 0,1,2 - debug and management entries,
1319 * 3 - COS0 entry, 4 - COS1 entry.
1320 * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
1321 * bit4 bit3 bit2 bit1 bit0
1322 * MCP and debug are strict
1324 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
1325 /* For strict priority entries defines the number of consecutive slots
1326 * for the highest priority.
1328 REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
1329 /* ETS mode disable */
1330 REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
1331 /* Defines the number of consecutive slots for the strict priority */
1332 REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
1334 /* Defines the number of consecutive slots for the strict priority */
1335 REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
1337 /* Mapping between entry priority to client number (0,1,2 -debug and
1338 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
1340 * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
1341 * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000
1342 * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000
1344 val = (!strict_cos) ? 0x2318 : 0x22E0;
1345 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
1350 /******************************************************************/
1352 /******************************************************************/
1353 static void bnx2x_update_pfc_xmac(struct link_params *params,
1354 struct link_vars *vars,
1357 struct bnx2x *bp = params->bp;
1359 u32 pause_val, pfc0_val, pfc1_val;
1361 /* XMAC base adrr */
1362 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1364 /* Initialize pause and pfc registers */
1365 pause_val = 0x18000;
1366 pfc0_val = 0xFFFF8000;
1369 /* No PFC support */
1370 if (!(params->feature_config_flags &
1371 FEATURE_CONFIG_PFC_ENABLED)) {
1373 /* RX flow control - Process pause frame in receive direction
1375 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
1376 pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
1378 /* TX flow control - Send pause packet when buffer is full */
1379 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
1380 pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
1381 } else {/* PFC support */
1382 pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
1383 XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
1384 XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
1385 XMAC_PFC_CTRL_HI_REG_TX_PFC_EN |
1386 XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
1387 /* Write pause and PFC registers */
1388 REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
1389 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
1390 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
1391 pfc1_val &= ~XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
1395 /* Write pause and PFC registers */
1396 REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
1397 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
1398 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
1401 /* Set MAC address for source TX Pause/PFC frames */
1402 REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_LO,
1403 ((params->mac_addr[2] << 24) |
1404 (params->mac_addr[3] << 16) |
1405 (params->mac_addr[4] << 8) |
1406 (params->mac_addr[5])));
1407 REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_HI,
1408 ((params->mac_addr[0] << 8) |
1409 (params->mac_addr[1])));
1414 /******************************************************************/
1415 /* MAC/PBF section */
1416 /******************************************************************/
1417 static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id,
1420 u32 new_mode, cur_mode;
1422 /* Set clause 45 mode, slow down the MDIO clock to 2.5MHz
1423 * (a value of 49==0x31) and make sure that the AUTO poll is off
1425 cur_mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
1427 if (USES_WARPCORE(bp))
1428 clc_cnt = 74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT;
1430 clc_cnt = 49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT;
1432 if (((cur_mode & EMAC_MDIO_MODE_CLOCK_CNT) == clc_cnt) &&
1433 (cur_mode & (EMAC_MDIO_MODE_CLAUSE_45)))
1436 new_mode = cur_mode &
1437 ~(EMAC_MDIO_MODE_AUTO_POLL | EMAC_MDIO_MODE_CLOCK_CNT);
1438 new_mode |= clc_cnt;
1439 new_mode |= (EMAC_MDIO_MODE_CLAUSE_45);
1441 DP(NETIF_MSG_LINK, "Changing emac_mode from 0x%x to 0x%x\n",
1442 cur_mode, new_mode);
1443 REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, new_mode);
1447 static void bnx2x_set_mdio_emac_per_phy(struct bnx2x *bp,
1448 struct link_params *params)
1451 /* Set mdio clock per phy */
1452 for (phy_index = INT_PHY; phy_index < params->num_phys;
1454 bnx2x_set_mdio_clk(bp, params->chip_id,
1455 params->phy[phy_index].mdio_ctrl);
1458 static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
1460 u32 port4mode_ovwr_val;
1461 /* Check 4-port override enabled */
1462 port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
1463 if (port4mode_ovwr_val & (1<<0)) {
1464 /* Return 4-port mode override value */
1465 return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
1467 /* Return 4-port mode from input pin */
1468 return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
1471 static void bnx2x_emac_init(struct link_params *params,
1472 struct link_vars *vars)
1474 /* reset and unreset the emac core */
1475 struct bnx2x *bp = params->bp;
1476 u8 port = params->port;
1477 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1481 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1482 (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
1484 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1485 (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
1487 /* init emac - use read-modify-write */
1488 /* self clear reset */
1489 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
1490 EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
1494 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
1495 DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
1497 DP(NETIF_MSG_LINK, "EMAC timeout!\n");
1501 } while (val & EMAC_MODE_RESET);
1503 bnx2x_set_mdio_emac_per_phy(bp, params);
1504 /* Set mac address */
1505 val = ((params->mac_addr[0] << 8) |
1506 params->mac_addr[1]);
1507 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
1509 val = ((params->mac_addr[2] << 24) |
1510 (params->mac_addr[3] << 16) |
1511 (params->mac_addr[4] << 8) |
1512 params->mac_addr[5]);
1513 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
1516 static void bnx2x_set_xumac_nig(struct link_params *params,
1520 struct bnx2x *bp = params->bp;
1522 REG_WR(bp, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
1524 REG_WR(bp, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
1526 REG_WR(bp, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
1527 NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
1530 static void bnx2x_set_umac_rxtx(struct link_params *params, u8 en)
1532 u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
1534 struct bnx2x *bp = params->bp;
1535 if (!(REG_RD(bp, MISC_REG_RESET_REG_2) &
1536 (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port)))
1538 val = REG_RD(bp, umac_base + UMAC_REG_COMMAND_CONFIG);
1540 val |= (UMAC_COMMAND_CONFIG_REG_TX_ENA |
1541 UMAC_COMMAND_CONFIG_REG_RX_ENA);
1543 val &= ~(UMAC_COMMAND_CONFIG_REG_TX_ENA |
1544 UMAC_COMMAND_CONFIG_REG_RX_ENA);
1545 /* Disable RX and TX */
1546 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1549 static void bnx2x_umac_enable(struct link_params *params,
1550 struct link_vars *vars, u8 lb)
1553 u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
1554 struct bnx2x *bp = params->bp;
1556 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1557 (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
1558 usleep_range(1000, 2000);
1560 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1561 (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
1563 DP(NETIF_MSG_LINK, "enabling UMAC\n");
1565 /* This register opens the gate for the UMAC despite its name */
1566 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
1568 val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
1569 UMAC_COMMAND_CONFIG_REG_PAD_EN |
1570 UMAC_COMMAND_CONFIG_REG_SW_RESET |
1571 UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
1572 switch (vars->line_speed) {
1586 DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n",
1590 if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1591 val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE;
1593 if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
1594 val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE;
1596 if (vars->duplex == DUPLEX_HALF)
1597 val |= UMAC_COMMAND_CONFIG_REG_HD_ENA;
1599 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1602 /* Configure UMAC for EEE */
1603 if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
1604 DP(NETIF_MSG_LINK, "configured UMAC for EEE\n");
1605 REG_WR(bp, umac_base + UMAC_REG_UMAC_EEE_CTRL,
1606 UMAC_UMAC_EEE_CTRL_REG_EEE_EN);
1607 REG_WR(bp, umac_base + UMAC_REG_EEE_WAKE_TIMER, 0x11);
1609 REG_WR(bp, umac_base + UMAC_REG_UMAC_EEE_CTRL, 0x0);
1612 /* Set MAC address for source TX Pause/PFC frames (under SW reset) */
1613 REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR0,
1614 ((params->mac_addr[2] << 24) |
1615 (params->mac_addr[3] << 16) |
1616 (params->mac_addr[4] << 8) |
1617 (params->mac_addr[5])));
1618 REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR1,
1619 ((params->mac_addr[0] << 8) |
1620 (params->mac_addr[1])));
1622 /* Enable RX and TX */
1623 val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
1624 val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
1625 UMAC_COMMAND_CONFIG_REG_RX_ENA;
1626 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1629 /* Remove SW Reset */
1630 val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
1632 /* Check loopback mode */
1634 val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
1635 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
1637 /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
1638 * length used by the MAC receive logic to check frames.
1640 REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
1641 bnx2x_set_xumac_nig(params,
1642 ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
1643 vars->mac_type = MAC_TYPE_UMAC;
1647 /* Define the XMAC mode */
1648 static void bnx2x_xmac_init(struct link_params *params, u32 max_speed)
1650 struct bnx2x *bp = params->bp;
1651 u32 is_port4mode = bnx2x_is_4_port_mode(bp);
1653 /* In 4-port mode, need to set the mode only once, so if XMAC is
1654 * already out of reset, it means the mode has already been set,
1655 * and it must not* reset the XMAC again, since it controls both
1659 if (((CHIP_NUM(bp) == CHIP_NUM_57840_4_10) ||
1660 (CHIP_NUM(bp) == CHIP_NUM_57840_2_20) ||
1661 (CHIP_NUM(bp) == CHIP_NUM_57840_OBSOLETE)) &&
1663 (REG_RD(bp, MISC_REG_RESET_REG_2) &
1664 MISC_REGISTERS_RESET_REG_2_XMAC)) {
1666 "XMAC already out of reset in 4-port mode\n");
1671 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1672 MISC_REGISTERS_RESET_REG_2_XMAC);
1673 usleep_range(1000, 2000);
1675 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1676 MISC_REGISTERS_RESET_REG_2_XMAC);
1678 DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n");
1680 /* Set the number of ports on the system side to up to 2 */
1681 REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);
1683 /* Set the number of ports on the Warp Core to 10G */
1684 REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
1686 /* Set the number of ports on the system side to 1 */
1687 REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
1688 if (max_speed == SPEED_10000) {
1690 "Init XMAC to 10G x 1 port per path\n");
1691 /* Set the number of ports on the Warp Core to 10G */
1692 REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
1695 "Init XMAC to 20G x 2 ports per path\n");
1696 /* Set the number of ports on the Warp Core to 20G */
1697 REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
1701 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1702 MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
1703 usleep_range(1000, 2000);
1705 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
1706 MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
1710 static void bnx2x_set_xmac_rxtx(struct link_params *params, u8 en)
1712 u8 port = params->port;
1713 struct bnx2x *bp = params->bp;
1714 u32 pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1717 if (REG_RD(bp, MISC_REG_RESET_REG_2) &
1718 MISC_REGISTERS_RESET_REG_2_XMAC) {
1719 /* Send an indication to change the state in the NIG back to XON
1720 * Clearing this bit enables the next set of this bit to get
1723 pfc_ctrl = REG_RD(bp, xmac_base + XMAC_REG_PFC_CTRL_HI);
1724 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
1725 (pfc_ctrl & ~(1<<1)));
1726 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
1727 (pfc_ctrl | (1<<1)));
1728 DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
1729 val = REG_RD(bp, xmac_base + XMAC_REG_CTRL);
1731 val |= (XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
1733 val &= ~(XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
1734 REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
1738 static int bnx2x_xmac_enable(struct link_params *params,
1739 struct link_vars *vars, u8 lb)
1742 struct bnx2x *bp = params->bp;
1743 DP(NETIF_MSG_LINK, "enabling XMAC\n");
1745 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
1747 bnx2x_xmac_init(params, vars->line_speed);
1749 /* This register determines on which events the MAC will assert
1750 * error on the i/f to the NIG along w/ EOP.
1753 /* This register tells the NIG whether to send traffic to UMAC
1756 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
1758 /* When XMAC is in XLGMII mode, disable sending idles for fault
1761 if (!(params->phy[INT_PHY].flags & FLAGS_TX_ERROR_CHECK)) {
1762 REG_WR(bp, xmac_base + XMAC_REG_RX_LSS_CTRL,
1763 (XMAC_RX_LSS_CTRL_REG_LOCAL_FAULT_DISABLE |
1764 XMAC_RX_LSS_CTRL_REG_REMOTE_FAULT_DISABLE));
1765 REG_WR(bp, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
1766 REG_WR(bp, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
1767 XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
1768 XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
1770 /* Set Max packet size */
1771 REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
1773 /* CRC append for Tx packets */
1774 REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
1777 bnx2x_update_pfc_xmac(params, vars, 0);
1779 if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
1780 DP(NETIF_MSG_LINK, "Setting XMAC for EEE\n");
1781 REG_WR(bp, xmac_base + XMAC_REG_EEE_TIMERS_HI, 0x1380008);
1782 REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x1);
1784 REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x0);
1787 /* Enable TX and RX */
1788 val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
1790 /* Set MAC in XLGMII mode for dual-mode */
1791 if ((vars->line_speed == SPEED_20000) &&
1792 (params->phy[INT_PHY].supported &
1793 SUPPORTED_20000baseKR2_Full))
1794 val |= XMAC_CTRL_REG_XLGMII_ALIGN_ENB;
1796 /* Check loopback mode */
1798 val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK;
1799 REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
1800 bnx2x_set_xumac_nig(params,
1801 ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
1803 vars->mac_type = MAC_TYPE_XMAC;
1808 static int bnx2x_emac_enable(struct link_params *params,
1809 struct link_vars *vars, u8 lb)
1811 struct bnx2x *bp = params->bp;
1812 u8 port = params->port;
1813 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1816 DP(NETIF_MSG_LINK, "enabling EMAC\n");
1819 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
1820 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
1822 /* enable emac and not bmac */
1823 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
1826 if (vars->phy_flags & PHY_XGXS_FLAG) {
1827 u32 ser_lane = ((params->lane_config &
1828 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
1829 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
1831 DP(NETIF_MSG_LINK, "XGXS\n");
1832 /* select the master lanes (out of 0-3) */
1833 REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
1835 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
1837 } else { /* SerDes */
1838 DP(NETIF_MSG_LINK, "SerDes\n");
1840 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
1843 bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
1844 EMAC_RX_MODE_RESET);
1845 bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
1846 EMAC_TX_MODE_RESET);
1848 /* pause enable/disable */
1849 bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
1850 EMAC_RX_MODE_FLOW_EN);
1852 bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
1853 (EMAC_TX_MODE_EXT_PAUSE_EN |
1854 EMAC_TX_MODE_FLOW_EN));
1855 if (!(params->feature_config_flags &
1856 FEATURE_CONFIG_PFC_ENABLED)) {
1857 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
1858 bnx2x_bits_en(bp, emac_base +
1859 EMAC_REG_EMAC_RX_MODE,
1860 EMAC_RX_MODE_FLOW_EN);
1862 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
1863 bnx2x_bits_en(bp, emac_base +
1864 EMAC_REG_EMAC_TX_MODE,
1865 (EMAC_TX_MODE_EXT_PAUSE_EN |
1866 EMAC_TX_MODE_FLOW_EN));
1868 bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
1869 EMAC_TX_MODE_FLOW_EN);
1871 /* KEEP_VLAN_TAG, promiscuous */
1872 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
1873 val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
1875 /* Setting this bit causes MAC control frames (except for pause
1876 * frames) to be passed on for processing. This setting has no
1877 * affect on the operation of the pause frames. This bit effects
1878 * all packets regardless of RX Parser packet sorting logic.
1879 * Turn the PFC off to make sure we are in Xon state before
1882 EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
1883 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
1884 DP(NETIF_MSG_LINK, "PFC is enabled\n");
1885 /* Enable PFC again */
1886 EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
1887 EMAC_REG_RX_PFC_MODE_RX_EN |
1888 EMAC_REG_RX_PFC_MODE_TX_EN |
1889 EMAC_REG_RX_PFC_MODE_PRIORITIES);
1891 EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
1893 EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
1895 EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
1896 val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
1898 EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
1901 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
1906 EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
1909 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
1911 /* Enable emac for jumbo packets */
1912 EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
1913 (EMAC_RX_MTU_SIZE_JUMBO_ENA |
1914 (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
1917 REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
1919 /* Disable the NIG in/out to the bmac */
1920 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
1921 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
1922 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
1924 /* Enable the NIG in/out to the emac */
1925 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
1927 if ((params->feature_config_flags &
1928 FEATURE_CONFIG_PFC_ENABLED) ||
1929 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1932 REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
1933 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
1935 REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
1937 vars->mac_type = MAC_TYPE_EMAC;
1941 static void bnx2x_update_pfc_bmac1(struct link_params *params,
1942 struct link_vars *vars)
1945 struct bnx2x *bp = params->bp;
1946 u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
1947 NIG_REG_INGRESS_BMAC0_MEM;
1950 if ((!(params->feature_config_flags &
1951 FEATURE_CONFIG_PFC_ENABLED)) &&
1952 (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
1953 /* Enable BigMAC to react on received Pause packets */
1957 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
1961 if (!(params->feature_config_flags &
1962 FEATURE_CONFIG_PFC_ENABLED) &&
1963 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
1967 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
1970 static void bnx2x_update_pfc_bmac2(struct link_params *params,
1971 struct link_vars *vars,
1974 /* Set rx control: Strip CRC and enable BigMAC to relay
1975 * control packets to the system as well
1978 struct bnx2x *bp = params->bp;
1979 u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
1980 NIG_REG_INGRESS_BMAC0_MEM;
1983 if ((!(params->feature_config_flags &
1984 FEATURE_CONFIG_PFC_ENABLED)) &&
1985 (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
1986 /* Enable BigMAC to react on received Pause packets */
1990 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
1995 if (!(params->feature_config_flags &
1996 FEATURE_CONFIG_PFC_ENABLED) &&
1997 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
2001 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
2003 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
2004 DP(NETIF_MSG_LINK, "PFC is enabled\n");
2005 /* Enable PFC RX & TX & STATS and set 8 COS */
2007 wb_data[0] |= (1<<0); /* RX */
2008 wb_data[0] |= (1<<1); /* TX */
2009 wb_data[0] |= (1<<2); /* Force initial Xon */
2010 wb_data[0] |= (1<<3); /* 8 cos */
2011 wb_data[0] |= (1<<5); /* STATS */
2013 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
2015 /* Clear the force Xon */
2016 wb_data[0] &= ~(1<<2);
2018 DP(NETIF_MSG_LINK, "PFC is disabled\n");
2019 /* Disable PFC RX & TX & STATS and set 8 COS */
2024 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
2026 /* Set Time (based unit is 512 bit time) between automatic
2027 * re-sending of PP packets amd enable automatic re-send of
2028 * Per-Priroity Packet as long as pp_gen is asserted and
2029 * pp_disable is low.
2032 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
2033 val |= (1<<16); /* enable automatic re-send */
2037 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
2041 val = 0x3; /* Enable RX and TX */
2043 val |= 0x4; /* Local loopback */
2044 DP(NETIF_MSG_LINK, "enable bmac loopback\n");
2046 /* When PFC enabled, Pass pause frames towards the NIG. */
2047 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
2048 val |= ((1<<6)|(1<<5));
2052 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
2055 /******************************************************************************
2057 * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
2058 * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
2059 ******************************************************************************/
2060 static int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
2062 u32 priority_mask, u8 port)
2064 u32 nig_reg_rx_priority_mask_add = 0;
2066 switch (cos_entry) {
2068 nig_reg_rx_priority_mask_add = (port) ?
2069 NIG_REG_P1_RX_COS0_PRIORITY_MASK :
2070 NIG_REG_P0_RX_COS0_PRIORITY_MASK;
2073 nig_reg_rx_priority_mask_add = (port) ?
2074 NIG_REG_P1_RX_COS1_PRIORITY_MASK :
2075 NIG_REG_P0_RX_COS1_PRIORITY_MASK;
2078 nig_reg_rx_priority_mask_add = (port) ?
2079 NIG_REG_P1_RX_COS2_PRIORITY_MASK :
2080 NIG_REG_P0_RX_COS2_PRIORITY_MASK;
2085 nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
2090 nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
2095 nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
2099 REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);
2103 static void bnx2x_update_mng(struct link_params *params, u32 link_status)
2105 struct bnx2x *bp = params->bp;
2107 REG_WR(bp, params->shmem_base +
2108 offsetof(struct shmem_region,
2109 port_mb[params->port].link_status), link_status);
2112 static void bnx2x_update_link_attr(struct link_params *params, u32 link_attr)
2114 struct bnx2x *bp = params->bp;
2116 if (SHMEM2_HAS(bp, link_attr_sync))
2117 REG_WR(bp, params->shmem2_base +
2118 offsetof(struct shmem2_region,
2119 link_attr_sync[params->port]), link_attr);
2122 static void bnx2x_update_pfc_nig(struct link_params *params,
2123 struct link_vars *vars,
2124 struct bnx2x_nig_brb_pfc_port_params *nig_params)
2126 u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
2127 u32 llfc_enable = 0, xcm_out_en = 0, hwpfc_enable = 0;
2128 u32 pkt_priority_to_cos = 0;
2129 struct bnx2x *bp = params->bp;
2130 u8 port = params->port;
2132 int set_pfc = params->feature_config_flags &
2133 FEATURE_CONFIG_PFC_ENABLED;
2134 DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
2136 /* When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
2137 * MAC control frames (that are not pause packets)
2138 * will be forwarded to the XCM.
2140 xcm_mask = REG_RD(bp, port ? NIG_REG_LLH1_XCM_MASK :
2141 NIG_REG_LLH0_XCM_MASK);
2142 /* NIG params will override non PFC params, since it's possible to
2143 * do transition from PFC to SAFC
2153 xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
2154 NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
2159 llfc_out_en = nig_params->llfc_out_en;
2160 llfc_enable = nig_params->llfc_enable;
2161 pause_enable = nig_params->pause_enable;
2162 } else /* Default non PFC mode - PAUSE */
2165 xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
2166 NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
2171 REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
2172 NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
2173 REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
2174 NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
2175 REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
2176 NIG_REG_LLFC_ENABLE_0, llfc_enable);
2177 REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
2178 NIG_REG_PAUSE_ENABLE_0, pause_enable);
2180 REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
2181 NIG_REG_PPP_ENABLE_0, ppp_enable);
2183 REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
2184 NIG_REG_LLH0_XCM_MASK, xcm_mask);
2186 REG_WR(bp, port ? NIG_REG_LLFC_EGRESS_SRC_ENABLE_1 :
2187 NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
2189 /* Output enable for RX_XCM # IF */
2190 REG_WR(bp, port ? NIG_REG_XCM1_OUT_EN :
2191 NIG_REG_XCM0_OUT_EN, xcm_out_en);
2193 /* HW PFC TX enable */
2194 REG_WR(bp, port ? NIG_REG_P1_HWPFC_ENABLE :
2195 NIG_REG_P0_HWPFC_ENABLE, hwpfc_enable);
2199 pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
2201 for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
2202 bnx2x_pfc_nig_rx_priority_mask(bp, i,
2203 nig_params->rx_cos_priority_mask[i], port);
2205 REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
2206 NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
2207 nig_params->llfc_high_priority_classes);
2209 REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
2210 NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
2211 nig_params->llfc_low_priority_classes);
2213 REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
2214 NIG_REG_P0_PKT_PRIORITY_TO_COS,
2215 pkt_priority_to_cos);
2218 int bnx2x_update_pfc(struct link_params *params,
2219 struct link_vars *vars,
2220 struct bnx2x_nig_brb_pfc_port_params *pfc_params)
2222 /* The PFC and pause are orthogonal to one another, meaning when
2223 * PFC is enabled, the pause are disabled, and when PFC is
2224 * disabled, pause are set according to the pause result.
2227 struct bnx2x *bp = params->bp;
2228 u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
2230 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
2231 vars->link_status |= LINK_STATUS_PFC_ENABLED;
2233 vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
2235 bnx2x_update_mng(params, vars->link_status);
2237 /* Update NIG params */
2238 bnx2x_update_pfc_nig(params, vars, pfc_params);
2243 DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
2245 if (CHIP_IS_E3(bp)) {
2246 if (vars->mac_type == MAC_TYPE_XMAC)
2247 bnx2x_update_pfc_xmac(params, vars, 0);
2249 val = REG_RD(bp, MISC_REG_RESET_REG_2);
2251 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
2253 DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
2254 bnx2x_emac_enable(params, vars, 0);
2258 bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
2260 bnx2x_update_pfc_bmac1(params, vars);
2263 if ((params->feature_config_flags &
2264 FEATURE_CONFIG_PFC_ENABLED) ||
2265 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
2267 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
2272 static int bnx2x_bmac1_enable(struct link_params *params,
2273 struct link_vars *vars,
2276 struct bnx2x *bp = params->bp;
2277 u8 port = params->port;
2278 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2279 NIG_REG_INGRESS_BMAC0_MEM;
2283 DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
2288 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
2292 wb_data[0] = ((params->mac_addr[2] << 24) |
2293 (params->mac_addr[3] << 16) |
2294 (params->mac_addr[4] << 8) |
2295 params->mac_addr[5]);
2296 wb_data[1] = ((params->mac_addr[0] << 8) |
2297 params->mac_addr[1]);
2298 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
2304 DP(NETIF_MSG_LINK, "enable bmac loopback\n");
2308 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
2311 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2313 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
2315 bnx2x_update_pfc_bmac1(params, vars);
2318 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2320 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
2322 /* Set cnt max size */
2323 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2325 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
2327 /* Configure SAFC */
2328 wb_data[0] = 0x1000200;
2330 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
2336 static int bnx2x_bmac2_enable(struct link_params *params,
2337 struct link_vars *vars,
2340 struct bnx2x *bp = params->bp;
2341 u8 port = params->port;
2342 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2343 NIG_REG_INGRESS_BMAC0_MEM;
2346 DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
2350 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
2353 /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
2356 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
2362 wb_data[0] = ((params->mac_addr[2] << 24) |
2363 (params->mac_addr[3] << 16) |
2364 (params->mac_addr[4] << 8) |
2365 params->mac_addr[5]);
2366 wb_data[1] = ((params->mac_addr[0] << 8) |
2367 params->mac_addr[1]);
2368 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
2373 /* Configure SAFC */
2374 wb_data[0] = 0x1000200;
2376 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
2381 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2383 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
2387 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
2389 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
2391 /* Set cnt max size */
2392 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
2394 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
2396 bnx2x_update_pfc_bmac2(params, vars, is_lb);
2401 static int bnx2x_bmac_enable(struct link_params *params,
2402 struct link_vars *vars,
2403 u8 is_lb, u8 reset_bmac)
2406 u8 port = params->port;
2407 struct bnx2x *bp = params->bp;
2409 /* Reset and unreset the BigMac */
2411 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
2412 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
2413 usleep_range(1000, 2000);
2416 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
2417 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
2419 /* Enable access for bmac registers */
2420 REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
2422 /* Enable BMAC according to BMAC type*/
2424 rc = bnx2x_bmac2_enable(params, vars, is_lb);
2426 rc = bnx2x_bmac1_enable(params, vars, is_lb);
2427 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
2428 REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
2429 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
2431 if ((params->feature_config_flags &
2432 FEATURE_CONFIG_PFC_ENABLED) ||
2433 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
2435 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
2436 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
2437 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
2438 REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
2439 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
2440 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
2442 vars->mac_type = MAC_TYPE_BMAC;
2446 static void bnx2x_set_bmac_rx(struct bnx2x *bp, u32 chip_id, u8 port, u8 en)
2448 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
2449 NIG_REG_INGRESS_BMAC0_MEM;
2451 u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
2454 bmac_addr += BIGMAC2_REGISTER_BMAC_CONTROL;
2456 bmac_addr += BIGMAC_REGISTER_BMAC_CONTROL;
2457 /* Only if the bmac is out of reset */
2458 if (REG_RD(bp, MISC_REG_RESET_REG_2) &
2459 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
2461 /* Clear Rx Enable bit in BMAC_CONTROL register */
2462 REG_RD_DMAE(bp, bmac_addr, wb_data, 2);
2464 wb_data[0] |= BMAC_CONTROL_RX_ENABLE;
2466 wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
2467 REG_WR_DMAE(bp, bmac_addr, wb_data, 2);
2468 usleep_range(1000, 2000);
2472 static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
2475 struct bnx2x *bp = params->bp;
2476 u8 port = params->port;
2481 REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
2483 /* Wait for init credit */
2484 init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
2485 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2486 DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
2488 while ((init_crd != crd) && count) {
2489 usleep_range(5000, 10000);
2490 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2493 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
2494 if (init_crd != crd) {
2495 DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
2500 if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
2501 line_speed == SPEED_10 ||
2502 line_speed == SPEED_100 ||
2503 line_speed == SPEED_1000 ||
2504 line_speed == SPEED_2500) {
2505 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
2506 /* Update threshold */
2507 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
2508 /* Update init credit */
2509 init_crd = 778; /* (800-18-4) */
2512 u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
2514 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
2515 /* Update threshold */
2516 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
2517 /* Update init credit */
2518 switch (line_speed) {
2520 init_crd = thresh + 553 - 22;
2523 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
2528 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
2529 DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
2530 line_speed, init_crd);
2532 /* Probe the credit changes */
2533 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
2534 usleep_range(5000, 10000);
2535 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
2538 REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
2543 * bnx2x_get_emac_base - retrive emac base address
2545 * @bp: driver handle
2546 * @mdc_mdio_access: access type
2549 * This function selects the MDC/MDIO access (through emac0 or
2550 * emac1) depend on the mdc_mdio_access, port, port swapped. Each
2551 * phy has a default access mode, which could also be overridden
2552 * by nvram configuration. This parameter, whether this is the
2553 * default phy configuration, or the nvram overrun
2554 * configuration, is passed here as mdc_mdio_access and selects
2555 * the emac_base for the CL45 read/writes operations
2557 static u32 bnx2x_get_emac_base(struct bnx2x *bp,
2558 u32 mdc_mdio_access, u8 port)
2561 switch (mdc_mdio_access) {
2562 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
2564 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
2565 if (REG_RD(bp, NIG_REG_PORT_SWAP))
2566 emac_base = GRCBASE_EMAC1;
2568 emac_base = GRCBASE_EMAC0;
2570 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
2571 if (REG_RD(bp, NIG_REG_PORT_SWAP))
2572 emac_base = GRCBASE_EMAC0;
2574 emac_base = GRCBASE_EMAC1;
2576 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
2577 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
2579 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
2580 emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
2589 /******************************************************************/
2590 /* CL22 access functions */
2591 /******************************************************************/
2592 static int bnx2x_cl22_write(struct bnx2x *bp,
2593 struct bnx2x_phy *phy,
2599 /* Switch to CL22 */
2600 mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
2601 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
2602 mode & ~EMAC_MDIO_MODE_CLAUSE_45);
2605 tmp = ((phy->addr << 21) | (reg << 16) | val |
2606 EMAC_MDIO_COMM_COMMAND_WRITE_22 |
2607 EMAC_MDIO_COMM_START_BUSY);
2608 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
2610 for (i = 0; i < 50; i++) {
2613 tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2614 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
2619 if (tmp & EMAC_MDIO_COMM_START_BUSY) {
2620 DP(NETIF_MSG_LINK, "write phy register failed\n");
2623 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
2627 static int bnx2x_cl22_read(struct bnx2x *bp,
2628 struct bnx2x_phy *phy,
2629 u16 reg, u16 *ret_val)
2635 /* Switch to CL22 */
2636 mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
2637 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
2638 mode & ~EMAC_MDIO_MODE_CLAUSE_45);
2641 val = ((phy->addr << 21) | (reg << 16) |
2642 EMAC_MDIO_COMM_COMMAND_READ_22 |
2643 EMAC_MDIO_COMM_START_BUSY);
2644 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
2646 for (i = 0; i < 50; i++) {
2649 val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2650 if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
2651 *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
2656 if (val & EMAC_MDIO_COMM_START_BUSY) {
2657 DP(NETIF_MSG_LINK, "read phy register failed\n");
2662 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
2666 /******************************************************************/
2667 /* CL45 access functions */
2668 /******************************************************************/
2669 static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
2670 u8 devad, u16 reg, u16 *ret_val)
2676 if (phy->flags & FLAGS_MDC_MDIO_WA_G) {
2677 chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
2678 ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
2679 bnx2x_set_mdio_clk(bp, chip_id, phy->mdio_ctrl);
2682 if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
2683 bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
2684 EMAC_MDIO_STATUS_10MB);
2686 val = ((phy->addr << 21) | (devad << 16) | reg |
2687 EMAC_MDIO_COMM_COMMAND_ADDRESS |
2688 EMAC_MDIO_COMM_START_BUSY);
2689 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
2691 for (i = 0; i < 50; i++) {
2694 val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2695 if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
2700 if (val & EMAC_MDIO_COMM_START_BUSY) {
2701 DP(NETIF_MSG_LINK, "read phy register failed\n");
2702 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
2707 val = ((phy->addr << 21) | (devad << 16) |
2708 EMAC_MDIO_COMM_COMMAND_READ_45 |
2709 EMAC_MDIO_COMM_START_BUSY);
2710 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
2712 for (i = 0; i < 50; i++) {
2715 val = REG_RD(bp, phy->mdio_ctrl +
2716 EMAC_REG_EMAC_MDIO_COMM);
2717 if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
2718 *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
2722 if (val & EMAC_MDIO_COMM_START_BUSY) {
2723 DP(NETIF_MSG_LINK, "read phy register failed\n");
2724 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
2729 /* Work around for E3 A0 */
2730 if (phy->flags & FLAGS_MDC_MDIO_WA) {
2731 phy->flags ^= FLAGS_DUMMY_READ;
2732 if (phy->flags & FLAGS_DUMMY_READ) {
2734 bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
2738 if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
2739 bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
2740 EMAC_MDIO_STATUS_10MB);
2744 static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
2745 u8 devad, u16 reg, u16 val)
2751 if (phy->flags & FLAGS_MDC_MDIO_WA_G) {
2752 chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
2753 ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
2754 bnx2x_set_mdio_clk(bp, chip_id, phy->mdio_ctrl);
2757 if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
2758 bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
2759 EMAC_MDIO_STATUS_10MB);
2762 tmp = ((phy->addr << 21) | (devad << 16) | reg |
2763 EMAC_MDIO_COMM_COMMAND_ADDRESS |
2764 EMAC_MDIO_COMM_START_BUSY);
2765 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
2767 for (i = 0; i < 50; i++) {
2770 tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
2771 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
2776 if (tmp & EMAC_MDIO_COMM_START_BUSY) {
2777 DP(NETIF_MSG_LINK, "write phy register failed\n");
2778 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
2782 tmp = ((phy->addr << 21) | (devad << 16) | val |
2783 EMAC_MDIO_COMM_COMMAND_WRITE_45 |
2784 EMAC_MDIO_COMM_START_BUSY);
2785 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
2787 for (i = 0; i < 50; i++) {
2790 tmp = REG_RD(bp, phy->mdio_ctrl +
2791 EMAC_REG_EMAC_MDIO_COMM);
2792 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
2797 if (tmp & EMAC_MDIO_COMM_START_BUSY) {
2798 DP(NETIF_MSG_LINK, "write phy register failed\n");
2799 netdev_err(bp->dev, "MDC/MDIO access timeout\n");
2803 /* Work around for E3 A0 */
2804 if (phy->flags & FLAGS_MDC_MDIO_WA) {
2805 phy->flags ^= FLAGS_DUMMY_READ;
2806 if (phy->flags & FLAGS_DUMMY_READ) {
2808 bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
2811 if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
2812 bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
2813 EMAC_MDIO_STATUS_10MB);
2817 /******************************************************************/
2819 /******************************************************************/
2820 static u8 bnx2x_eee_has_cap(struct link_params *params)
2822 struct bnx2x *bp = params->bp;
2824 if (REG_RD(bp, params->shmem2_base) <=
2825 offsetof(struct shmem2_region, eee_status[params->port]))
2831 static int bnx2x_eee_nvram_to_time(u32 nvram_mode, u32 *idle_timer)
2833 switch (nvram_mode) {
2834 case PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED:
2835 *idle_timer = EEE_MODE_NVRAM_BALANCED_TIME;
2837 case PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE:
2838 *idle_timer = EEE_MODE_NVRAM_AGGRESSIVE_TIME;
2840 case PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY:
2841 *idle_timer = EEE_MODE_NVRAM_LATENCY_TIME;
2851 static int bnx2x_eee_time_to_nvram(u32 idle_timer, u32 *nvram_mode)
2853 switch (idle_timer) {
2854 case EEE_MODE_NVRAM_BALANCED_TIME:
2855 *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED;
2857 case EEE_MODE_NVRAM_AGGRESSIVE_TIME:
2858 *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE;
2860 case EEE_MODE_NVRAM_LATENCY_TIME:
2861 *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY;
2864 *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_DISABLED;
2871 static u32 bnx2x_eee_calc_timer(struct link_params *params)
2873 u32 eee_mode, eee_idle;
2874 struct bnx2x *bp = params->bp;
2876 if (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) {
2877 if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
2878 /* time value in eee_mode --> used directly*/
2879 eee_idle = params->eee_mode & EEE_MODE_TIMER_MASK;
2881 /* hsi value in eee_mode --> time */
2882 if (bnx2x_eee_nvram_to_time(params->eee_mode &
2883 EEE_MODE_NVRAM_MASK,
2888 /* hsi values in nvram --> time*/
2889 eee_mode = ((REG_RD(bp, params->shmem_base +
2890 offsetof(struct shmem_region, dev_info.
2891 port_feature_config[params->port].
2893 PORT_FEAT_CFG_EEE_POWER_MODE_MASK) >>
2894 PORT_FEAT_CFG_EEE_POWER_MODE_SHIFT);
2896 if (bnx2x_eee_nvram_to_time(eee_mode, &eee_idle))
2903 static int bnx2x_eee_set_timers(struct link_params *params,
2904 struct link_vars *vars)
2906 u32 eee_idle = 0, eee_mode;
2907 struct bnx2x *bp = params->bp;
2909 eee_idle = bnx2x_eee_calc_timer(params);
2912 REG_WR(bp, MISC_REG_CPMU_LP_IDLE_THR_P0 + (params->port << 2),
2914 } else if ((params->eee_mode & EEE_MODE_ENABLE_LPI) &&
2915 (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) &&
2916 (params->eee_mode & EEE_MODE_OUTPUT_TIME)) {
2917 DP(NETIF_MSG_LINK, "Error: Tx LPI is enabled with timer 0\n");
2921 vars->eee_status &= ~(SHMEM_EEE_TIMER_MASK | SHMEM_EEE_TIME_OUTPUT_BIT);
2922 if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
2923 /* eee_idle in 1u --> eee_status in 16u */
2925 vars->eee_status |= (eee_idle & SHMEM_EEE_TIMER_MASK) |
2926 SHMEM_EEE_TIME_OUTPUT_BIT;
2928 if (bnx2x_eee_time_to_nvram(eee_idle, &eee_mode))
2930 vars->eee_status |= eee_mode;
2936 static int bnx2x_eee_initial_config(struct link_params *params,
2937 struct link_vars *vars, u8 mode)
2939 vars->eee_status |= ((u32) mode) << SHMEM_EEE_SUPPORTED_SHIFT;
2941 /* Propogate params' bits --> vars (for migration exposure) */
2942 if (params->eee_mode & EEE_MODE_ENABLE_LPI)
2943 vars->eee_status |= SHMEM_EEE_LPI_REQUESTED_BIT;
2945 vars->eee_status &= ~SHMEM_EEE_LPI_REQUESTED_BIT;
2947 if (params->eee_mode & EEE_MODE_ADV_LPI)
2948 vars->eee_status |= SHMEM_EEE_REQUESTED_BIT;
2950 vars->eee_status &= ~SHMEM_EEE_REQUESTED_BIT;
2952 return bnx2x_eee_set_timers(params, vars);
2955 static int bnx2x_eee_disable(struct bnx2x_phy *phy,
2956 struct link_params *params,
2957 struct link_vars *vars)
2959 struct bnx2x *bp = params->bp;
2961 /* Make Certain LPI is disabled */
2962 REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2), 0);
2964 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, 0x0);
2966 vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
2971 static int bnx2x_eee_advertise(struct bnx2x_phy *phy,
2972 struct link_params *params,
2973 struct link_vars *vars, u8 modes)
2975 struct bnx2x *bp = params->bp;
2978 /* Mask events preventing LPI generation */
2979 REG_WR(bp, MISC_REG_CPMU_LP_MASK_EXT_P0 + (params->port << 2), 0xfc20);
2981 if (modes & SHMEM_EEE_10G_ADV) {
2982 DP(NETIF_MSG_LINK, "Advertise 10GBase-T EEE\n");
2985 if (modes & SHMEM_EEE_1G_ADV) {
2986 DP(NETIF_MSG_LINK, "Advertise 1GBase-T EEE\n");
2990 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, val);
2992 vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
2993 vars->eee_status |= (modes << SHMEM_EEE_ADV_STATUS_SHIFT);
2998 static void bnx2x_update_mng_eee(struct link_params *params, u32 eee_status)
3000 struct bnx2x *bp = params->bp;
3002 if (bnx2x_eee_has_cap(params))
3003 REG_WR(bp, params->shmem2_base +
3004 offsetof(struct shmem2_region,
3005 eee_status[params->port]), eee_status);
3008 static void bnx2x_eee_an_resolve(struct bnx2x_phy *phy,
3009 struct link_params *params,
3010 struct link_vars *vars)
3012 struct bnx2x *bp = params->bp;
3013 u16 adv = 0, lp = 0;
3017 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, &adv);
3018 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_LP_EEE_ADV, &lp);
3021 lp_adv |= SHMEM_EEE_100M_ADV;
3023 if (vars->line_speed == SPEED_100)
3025 DP(NETIF_MSG_LINK, "EEE negotiated - 100M\n");
3029 lp_adv |= SHMEM_EEE_1G_ADV;
3031 if (vars->line_speed == SPEED_1000)
3033 DP(NETIF_MSG_LINK, "EEE negotiated - 1G\n");
3037 lp_adv |= SHMEM_EEE_10G_ADV;
3039 if (vars->line_speed == SPEED_10000)
3041 DP(NETIF_MSG_LINK, "EEE negotiated - 10G\n");
3045 vars->eee_status &= ~SHMEM_EEE_LP_ADV_STATUS_MASK;
3046 vars->eee_status |= (lp_adv << SHMEM_EEE_LP_ADV_STATUS_SHIFT);
3049 DP(NETIF_MSG_LINK, "EEE is active\n");
3050 vars->eee_status |= SHMEM_EEE_ACTIVE_BIT;
3055 /******************************************************************/
3056 /* BSC access functions from E3 */
3057 /******************************************************************/
3058 static void bnx2x_bsc_module_sel(struct link_params *params)
3061 u32 board_cfg, sfp_ctrl;
3062 u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
3063 struct bnx2x *bp = params->bp;
3064 u8 port = params->port;
3065 /* Read I2C output PINs */
3066 board_cfg = REG_RD(bp, params->shmem_base +
3067 offsetof(struct shmem_region,
3068 dev_info.shared_hw_config.board));
3069 i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
3070 i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
3071 SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
3073 /* Read I2C output value */
3074 sfp_ctrl = REG_RD(bp, params->shmem_base +
3075 offsetof(struct shmem_region,
3076 dev_info.port_hw_config[port].e3_cmn_pin_cfg));
3077 i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
3078 i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
3079 DP(NETIF_MSG_LINK, "Setting BSC switch\n");
3080 for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
3081 bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
3084 static int bnx2x_bsc_read(struct link_params *params,
3095 if (xfer_cnt > 16) {
3096 DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
3100 bnx2x_bsc_module_sel(params);
3102 xfer_cnt = 16 - lc_addr;
3104 /* Enable the engine */
3105 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3106 val |= MCPR_IMC_COMMAND_ENABLE;
3107 REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3109 /* Program slave device ID */
3110 val = (sl_devid << 16) | sl_addr;
3111 REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
3113 /* Start xfer with 0 byte to update the address pointer ???*/
3114 val = (MCPR_IMC_COMMAND_ENABLE) |
3115 (MCPR_IMC_COMMAND_WRITE_OP <<
3116 MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
3117 (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
3118 REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3120 /* Poll for completion */
3122 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3123 while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
3125 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3127 DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
3136 /* Start xfer with read op */
3137 val = (MCPR_IMC_COMMAND_ENABLE) |
3138 (MCPR_IMC_COMMAND_READ_OP <<
3139 MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
3140 (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
3142 REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
3144 /* Poll for completion */
3146 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3147 while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
3149 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
3151 DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
3159 for (i = (lc_addr >> 2); i < 4; i++) {
3160 data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
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);
3171 static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
3172 u8 devad, u16 reg, u16 or_val)
3175 bnx2x_cl45_read(bp, phy, devad, reg, &val);
3176 bnx2x_cl45_write(bp, phy, devad, reg, val | or_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)
3184 bnx2x_cl45_read(bp, phy, devad, reg, &val);
3185 bnx2x_cl45_write(bp, phy, devad, reg, val & and_val);
3188 int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
3189 u8 devad, u16 reg, u16 *ret_val)
3192 /* Probe for the phy according to the given phy_addr, and execute
3193 * the read request on it
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,
3205 int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
3206 u8 devad, u16 reg, u16 val)
3209 /* Probe for the phy according to the given phy_addr, and execute
3210 * the write request on it
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,
3221 static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
3222 struct link_params *params)
3225 struct bnx2x *bp = params->bp;
3226 u32 path_swap, path_swap_ovr;
3230 port = params->port;
3232 if (bnx2x_is_4_port_mode(bp)) {
3233 u32 port_swap, port_swap_ovr;
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);
3240 path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);
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);
3250 port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);
3255 lane = (port<<1) + path;
3256 } else { /* Two port mode - no port swap */
3258 /* Figure out path swap value */
3260 REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
3261 if (path_swap_ovr & 0x1) {
3262 path_swap = (path_swap_ovr & 0x2);
3265 REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
3275 static void bnx2x_set_aer_mmd(struct link_params *params,
3276 struct bnx2x_phy *phy)
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);
3285 offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
3286 (phy->addr + ser_lane) : 0;
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
3293 * 0x200 is the broadcast address for lanes 0,1
3294 * 0x201 is the broadcast address for lanes 2,3
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;
3301 aer_val = 0x3800 + offset;
3303 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3304 MDIO_AER_BLOCK_AER_REG, aer_val);
3308 /******************************************************************/
3309 /* Internal phy section */
3310 /******************************************************************/
3312 static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
3314 u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
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);
3320 REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
3323 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
3326 static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
3330 DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
3332 val = SERDES_RESET_BITS << (port*16);
3334 /* Reset and unreset the SerDes/XGXS */
3335 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
3337 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
3339 bnx2x_set_serdes_access(bp, port);
3341 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
3342 DEFAULT_PHY_DEV_ADDR);
3345 static void bnx2x_xgxs_specific_func(struct bnx2x_phy *phy,
3346 struct link_params *params,
3349 struct bnx2x *bp = params->bp;
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,
3360 static void bnx2x_xgxs_deassert(struct link_params *params)
3362 struct bnx2x *bp = params->bp;
3365 DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
3366 port = params->port;
3368 val = XGXS_RESET_BITS << (port*16);
3370 /* Reset and unreset the SerDes/XGXS */
3371 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
3373 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
3374 bnx2x_xgxs_specific_func(¶ms->phy[INT_PHY], params,
3378 static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
3379 struct link_params *params, u16 *ieee_fc)
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
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 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
3393 case BNX2X_FLOW_CTRL_RX:
3394 case BNX2X_FLOW_CTRL_TX:
3396 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
3402 case BNX2X_FLOW_CTRL_TX:
3403 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
3406 case BNX2X_FLOW_CTRL_RX:
3407 case BNX2X_FLOW_CTRL_BOTH:
3408 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
3411 case BNX2X_FLOW_CTRL_NONE:
3413 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
3416 DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
3419 static void set_phy_vars(struct link_params *params,
3420 struct link_vars *vars)
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;
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;
3436 params->phy[actual_phy_idx].req_flow_ctrl =
3437 params->req_flow_ctrl[link_cfg_idx];
3439 params->phy[actual_phy_idx].req_line_speed =
3440 params->req_line_speed[link_cfg_idx];
3442 params->phy[actual_phy_idx].speed_cap_mask =
3443 params->speed_cap_mask[link_cfg_idx];
3445 params->phy[actual_phy_idx].req_duplex =
3446 params->req_duplex[link_cfg_idx];
3448 if (params->req_line_speed[link_cfg_idx] ==
3450 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
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);
3460 static void bnx2x_ext_phy_set_pause(struct link_params *params,
3461 struct bnx2x_phy *phy,
3462 struct link_vars *vars)
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);
3469 val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
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;
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;
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);
3487 static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
3489 switch (pause_result) { /* ASYM P ASYM P */
3490 case 0xb: /* 1 0 1 1 */
3491 vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
3494 case 0xe: /* 1 1 1 0 */
3495 vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
3498 case 0x5: /* 0 1 0 1 */
3499 case 0x7: /* 0 1 1 1 */
3500 case 0xd: /* 1 1 0 1 */
3501 case 0xf: /* 1 1 1 1 */
3502 vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
3508 if (pause_result & (1<<0))
3509 vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
3510 if (pause_result & (1<<1))
3511 vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
3515 static void bnx2x_ext_phy_update_adv_fc(struct bnx2x_phy *phy,
3516 struct link_params *params,
3517 struct link_vars *vars)
3519 u16 ld_pause; /* local */
3520 u16 lp_pause; /* link partner */
3522 struct bnx2x *bp = params->bp;
3523 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
3524 bnx2x_cl22_read(bp, phy, 0x4, &ld_pause);
3525 bnx2x_cl22_read(bp, phy, 0x5, &lp_pause);
3526 } else if (CHIP_IS_E3(bp) &&
3527 SINGLE_MEDIA_DIRECT(params)) {
3528 u8 lane = bnx2x_get_warpcore_lane(phy, params);
3529 u16 gp_status, gp_mask;
3530 bnx2x_cl45_read(bp, phy,
3531 MDIO_AN_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_4,
3533 gp_mask = (MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL |
3534 MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP) <<
3536 if ((gp_status & gp_mask) == gp_mask) {
3537 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3538 MDIO_AN_REG_ADV_PAUSE, &ld_pause);
3539 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3540 MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
3542 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3543 MDIO_AN_REG_CL37_FC_LD, &ld_pause);
3544 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
3545 MDIO_AN_REG_CL37_FC_LP, &lp_pause);
3546 ld_pause = ((ld_pause &
3547 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
3549 lp_pause = ((lp_pause &
3550 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
3554 bnx2x_cl45_read(bp, phy,
3556 MDIO_AN_REG_ADV_PAUSE, &ld_pause);
3557 bnx2x_cl45_read(bp, phy,
3559 MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
3561 pause_result = (ld_pause &
3562 MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
3563 pause_result |= (lp_pause &
3564 MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
3565 DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n", pause_result);
3566 bnx2x_pause_resolve(vars, pause_result);
3570 static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
3571 struct link_params *params,
3572 struct link_vars *vars)
3575 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
3576 if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
3577 /* Update the advertised flow-controled of LD/LP in AN */
3578 if (phy->req_line_speed == SPEED_AUTO_NEG)
3579 bnx2x_ext_phy_update_adv_fc(phy, params, vars);
3580 /* But set the flow-control result as the requested one */
3581 vars->flow_ctrl = phy->req_flow_ctrl;
3582 } else if (phy->req_line_speed != SPEED_AUTO_NEG)
3583 vars->flow_ctrl = params->req_fc_auto_adv;
3584 else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
3586 bnx2x_ext_phy_update_adv_fc(phy, params, vars);
3590 /******************************************************************/
3591 /* Warpcore section */
3592 /******************************************************************/
3593 /* The init_internal_warpcore should mirror the xgxs,
3594 * i.e. reset the lane (if needed), set aer for the
3595 * init configuration, and set/clear SGMII flag. Internal
3596 * phy init is done purely in phy_init stage.
3598 #define WC_TX_DRIVER(post2, idriver, ipre) \
3599 ((post2 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) | \
3600 (idriver << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) | \
3601 (ipre << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET))
3603 #define WC_TX_FIR(post, main, pre) \
3604 ((post << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) | \
3605 (main << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) | \
3606 (pre << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET))
3608 static void bnx2x_warpcore_enable_AN_KR2(struct bnx2x_phy *phy,
3609 struct link_params *params,
3610 struct link_vars *vars)
3612 struct bnx2x *bp = params->bp;
3614 static struct bnx2x_reg_set reg_set[] = {
3615 /* Step 1 - Program the TX/RX alignment markers */
3616 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0xa157},
3617 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xcbe2},
3618 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0x7537},
3619 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0xa157},
3620 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xcbe2},
3621 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0x7537},
3622 /* Step 2 - Configure the NP registers */
3623 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000a},
3624 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6400},
3625 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0620},
3626 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0157},
3627 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x6464},
3628 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x3150},
3629 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x3150},
3630 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0157},
3631 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0620}
3633 DP(NETIF_MSG_LINK, "Enabling 20G-KR2\n");
3635 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3636 MDIO_WC_REG_CL49_USERB0_CTRL, (3<<6));
3638 for (i = 0; i < ARRAY_SIZE(reg_set); i++)
3639 bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
3642 /* Start KR2 work-around timer which handles BCM8073 link-parner */
3643 params->link_attr_sync |= LINK_ATTR_SYNC_KR2_ENABLE;
3644 bnx2x_update_link_attr(params, params->link_attr_sync);
3647 static void bnx2x_disable_kr2(struct link_params *params,
3648 struct link_vars *vars,
3649 struct bnx2x_phy *phy)
3651 struct bnx2x *bp = params->bp;
3653 static struct bnx2x_reg_set reg_set[] = {
3654 /* Step 1 - Program the TX/RX alignment markers */
3655 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0x7690},
3656 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xe647},
3657 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0xc4f0},
3658 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0x7690},
3659 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xe647},
3660 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0xc4f0},
3661 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000c},
3662 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6000},
3663 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0000},
3664 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0002},
3665 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x0000},
3666 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x0af7},
3667 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x0af7},
3668 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0002},
3669 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0000}
3671 DP(NETIF_MSG_LINK, "Disabling 20G-KR2\n");
3673 for (i = 0; i < ARRAY_SIZE(reg_set); i++)
3674 bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
3676 params->link_attr_sync &= ~LINK_ATTR_SYNC_KR2_ENABLE;
3677 bnx2x_update_link_attr(params, params->link_attr_sync);
3679 vars->check_kr2_recovery_cnt = CHECK_KR2_RECOVERY_CNT;
3682 static void bnx2x_warpcore_set_lpi_passthrough(struct bnx2x_phy *phy,
3683 struct link_params *params)
3685 struct bnx2x *bp = params->bp;
3687 DP(NETIF_MSG_LINK, "Configure WC for LPI pass through\n");
3688 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3689 MDIO_WC_REG_EEE_COMBO_CONTROL0, 0x7c);
3690 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3691 MDIO_WC_REG_DIGITAL4_MISC5, 0xc000);
3694 static void bnx2x_warpcore_restart_AN_KR(struct bnx2x_phy *phy,
3695 struct link_params *params)
3697 /* Restart autoneg on the leading lane only */
3698 struct bnx2x *bp = params->bp;
3699 u16 lane = bnx2x_get_warpcore_lane(phy, params);
3700 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3701 MDIO_AER_BLOCK_AER_REG, lane);
3702 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3703 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
3706 bnx2x_set_aer_mmd(params, phy);
3709 static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
3710 struct link_params *params,
3711 struct link_vars *vars) {
3712 u16 lane, i, cl72_ctrl, an_adv = 0, val;
3714 struct bnx2x *bp = params->bp;
3715 static struct bnx2x_reg_set reg_set[] = {
3716 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
3717 {MDIO_PMA_DEVAD, MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0},
3718 {MDIO_WC_DEVAD, MDIO_WC_REG_RX66_CONTROL, 0x7415},
3719 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190},
3720 /* Disable Autoneg: re-enable it after adv is done. */
3721 {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0},
3722 {MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2},
3723 {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0},
3725 DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
3726 /* Set to default registers that may be overriden by 10G force */
3727 for (i = 0; i < ARRAY_SIZE(reg_set); i++)
3728 bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
3731 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3732 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &cl72_ctrl);
3733 cl72_ctrl &= 0x08ff;
3734 cl72_ctrl |= 0x3800;
3735 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3736 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, cl72_ctrl);
3738 /* Check adding advertisement for 1G KX */
3739 if (((vars->line_speed == SPEED_AUTO_NEG) &&
3740 (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
3741 (vars->line_speed == SPEED_1000)) {
3742 u16 addr = MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2;
3745 /* Enable CL37 1G Parallel Detect */
3746 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, addr, 0x1);
3747 DP(NETIF_MSG_LINK, "Advertize 1G\n");
3749 if (((vars->line_speed == SPEED_AUTO_NEG) &&
3750 (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
3751 (vars->line_speed == SPEED_10000)) {
3752 /* Check adding advertisement for 10G KR */
3754 /* Enable 10G Parallel Detect */
3755 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3756 MDIO_AER_BLOCK_AER_REG, 0);
3758 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3759 MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
3760 bnx2x_set_aer_mmd(params, phy);
3761 DP(NETIF_MSG_LINK, "Advertize 10G\n");
3764 /* Set Transmit PMD settings */
3765 lane = bnx2x_get_warpcore_lane(phy, params);
3766 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3767 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
3768 WC_TX_DRIVER(0x02, 0x06, 0x09));
3769 /* Configure the next lane if dual mode */
3770 if (phy->flags & FLAGS_WC_DUAL_MODE)
3771 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3772 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*(lane+1),
3773 WC_TX_DRIVER(0x02, 0x06, 0x09));
3774 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3775 MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
3777 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3778 MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
3781 /* Advertised speeds */
3782 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3783 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, an_adv);
3785 /* Advertised and set FEC (Forward Error Correction) */
3786 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
3787 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
3788 (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
3789 MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));
3791 /* Enable CL37 BAM */
3792 if (REG_RD(bp, params->shmem_base +
3793 offsetof(struct shmem_region, dev_info.
3794 port_hw_config[params->port].default_cfg)) &
3795 PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
3796 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3797 MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL,
3799 DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
3802 /* Advertise pause */
3803 bnx2x_ext_phy_set_pause(params, phy, vars);
3804 vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
3805 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3806 MDIO_WC_REG_DIGITAL5_MISC7, 0x100);
3808 /* Over 1G - AN local device user page 1 */
3809 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3810 MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
3812 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
3813 (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)) ||
3814 (phy->req_line_speed == SPEED_20000)) {
3816 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3817 MDIO_AER_BLOCK_AER_REG, lane);
3819 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3820 MDIO_WC_REG_RX1_PCI_CTRL + (0x10*lane),
3823 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3824 MDIO_WC_REG_XGXS_X2_CONTROL3, 0x7);
3825 bnx2x_set_aer_mmd(params, phy);
3827 bnx2x_warpcore_enable_AN_KR2(phy, params, vars);
3829 /* Enable Auto-Detect to support 1G over CL37 as well */
3830 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3831 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0x10);
3832 wc_lane_config = REG_RD(bp, params->shmem_base +
3833 offsetof(struct shmem_region, dev_info.
3834 shared_hw_config.wc_lane_config));
3835 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3836 MDIO_WC_REG_RX0_PCI_CTRL + (lane << 4), &val);
3837 /* Force cl48 sync_status LOW to avoid getting stuck in CL73
3838 * parallel-detect loop when CL73 and CL37 are enabled.
3842 /* Restore Polarity settings in case it was run over by
3843 * previous link owner
3845 if (wc_lane_config &
3846 (SHARED_HW_CFG_RX_LANE0_POL_FLIP_ENABLED << lane))
3850 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3851 MDIO_WC_REG_RX0_PCI_CTRL + (lane << 4),
3854 bnx2x_disable_kr2(params, vars, phy);
3857 /* Enable Autoneg: only on the main lane */
3858 bnx2x_warpcore_restart_AN_KR(phy, params);
3861 static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
3862 struct link_params *params,
3863 struct link_vars *vars)
3865 struct bnx2x *bp = params->bp;
3867 static struct bnx2x_reg_set reg_set[] = {
3868 /* Disable Autoneg */
3869 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
3870 {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
3872 {MDIO_AN_DEVAD, MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0},
3873 {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0},
3874 {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL3_UP1, 0x1},
3875 {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL5_MISC7, 0xa},
3876 /* Leave cl72 training enable, needed for KR */
3877 {MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2}
3880 for (i = 0; i < ARRAY_SIZE(reg_set); i++)
3881 bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
3884 lane = bnx2x_get_warpcore_lane(phy, params);
3885 /* Global registers */
3886 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
3887 MDIO_AER_BLOCK_AER_REG, 0);
3888 /* Disable CL36 PCS Tx */
3889 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3890 MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
3891 val16 &= ~(0x0011 << lane);
3892 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3893 MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
3895 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3896 MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
3897 val16 |= (0x0303 << (lane << 1));
3898 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3899 MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
3901 bnx2x_set_aer_mmd(params, phy);
3902 /* Set speed via PMA/PMD register */
3903 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
3904 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
3906 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
3907 MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
3909 /* Enable encoded forced speed */
3910 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3911 MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
3913 /* Turn TX scramble payload only the 64/66 scrambler */
3914 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3915 MDIO_WC_REG_TX66_CONTROL, 0x9);
3917 /* Turn RX scramble payload only the 64/66 scrambler */
3918 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3919 MDIO_WC_REG_RX66_CONTROL, 0xF9);
3921 /* Set and clear loopback to cause a reset to 64/66 decoder */
3922 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3923 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
3924 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3925 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
3929 static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
3930 struct link_params *params,
3933 struct bnx2x *bp = params->bp;
3934 u16 misc1_val, tap_val, tx_driver_val, lane, val;
3935 u32 cfg_tap_val, tx_drv_brdct, tx_equal;
3937 /* Hold rxSeqStart */
3938 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3939 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x8000);
3941 /* Hold tx_fifo_reset */
3942 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3943 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x1);
3945 /* Disable CL73 AN */
3946 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
3948 /* Disable 100FX Enable and Auto-Detect */
3949 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
3950 MDIO_WC_REG_FX100_CTRL1, 0xFFFA);
3952 /* Disable 100FX Idle detect */
3953 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
3954 MDIO_WC_REG_FX100_CTRL3, 0x0080);
3956 /* Set Block address to Remote PHY & Clear forced_speed[5] */
3957 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
3958 MDIO_WC_REG_DIGITAL4_MISC3, 0xFF7F);
3960 /* Turn off auto-detect & fiber mode */
3961 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
3962 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
3965 /* Set filter_force_link, disable_false_link and parallel_detect */
3966 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3967 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
3968 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
3969 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
3970 ((val | 0x0006) & 0xFFFE));
3973 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
3974 MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
3976 misc1_val &= ~(0x1f);
3980 tap_val = WC_TX_FIR(0x08, 0x37, 0x00);
3981 tx_driver_val = WC_TX_DRIVER(0x00, 0x02, 0x03);
3983 cfg_tap_val = REG_RD(bp, params->shmem_base +
3984 offsetof(struct shmem_region, dev_info.
3985 port_hw_config[params->port].
3988 tx_equal = cfg_tap_val & PORT_HW_CFG_TX_EQUALIZATION_MASK;
3990 tx_drv_brdct = (cfg_tap_val &
3991 PORT_HW_CFG_TX_DRV_BROADCAST_MASK) >>
3992 PORT_HW_CFG_TX_DRV_BROADCAST_SHIFT;
3996 /* TAP values are controlled by nvram, if value there isn't 0 */
3998 tap_val = (u16)tx_equal;
4000 tap_val = WC_TX_FIR(0x0f, 0x2b, 0x02);
4003 tx_driver_val = WC_TX_DRIVER(0x03, (u16)tx_drv_brdct,
4006 tx_driver_val = WC_TX_DRIVER(0x03, 0x02, 0x06);
4008 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4009 MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
4011 /* Set Transmit PMD settings */
4012 lane = bnx2x_get_warpcore_lane(phy, params);
4013 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4014 MDIO_WC_REG_TX_FIR_TAP,
4015 tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
4016 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4017 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
4020 /* Enable fiber mode, enable and invert sig_det */
4021 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4022 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0xd);
4024 /* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
4025 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4026 MDIO_WC_REG_DIGITAL4_MISC3, 0x8080);
4028 bnx2x_warpcore_set_lpi_passthrough(phy, params);
4030 /* 10G XFI Full Duplex */
4031 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4032 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
4034 /* Release tx_fifo_reset */
4035 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4036 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
4038 /* Release rxSeqStart */
4039 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4040 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x7FFF);
4043 static void bnx2x_warpcore_set_20G_force_KR2(struct bnx2x_phy *phy,
4044 struct link_params *params)
4047 struct bnx2x *bp = params->bp;
4048 /* Set global registers, so set AER lane to 0 */
4049 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4050 MDIO_AER_BLOCK_AER_REG, 0);
4052 /* Disable sequencer */
4053 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4054 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, ~(1<<13));
4056 bnx2x_set_aer_mmd(params, phy);
4058 bnx2x_cl45_read_and_write(bp, phy, MDIO_PMA_DEVAD,
4059 MDIO_WC_REG_PMD_KR_CONTROL, ~(1<<1));
4060 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
4061 MDIO_AN_REG_CTRL, 0);
4063 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4064 MDIO_WC_REG_CL73_USERB0_CTRL, &val);
4067 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4068 MDIO_WC_REG_CL73_USERB0_CTRL, val);
4070 /* Set 20G KR2 force speed */
4071 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4072 MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x1f);
4074 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4075 MDIO_WC_REG_DIGITAL4_MISC3, (1<<7));
4077 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4078 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &val);
4081 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4082 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, val);
4083 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4084 MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0x835A);
4086 /* Enable sequencer (over lane 0) */
4087 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4088 MDIO_AER_BLOCK_AER_REG, 0);
4090 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4091 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, (1<<13));
4093 bnx2x_set_aer_mmd(params, phy);
4096 static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
4097 struct bnx2x_phy *phy,
4100 /* Rx0 anaRxControl1G */
4101 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4102 MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
4104 /* Rx2 anaRxControl1G */
4105 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4106 MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
4108 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4109 MDIO_WC_REG_RX66_SCW0, 0xE070);
4111 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4112 MDIO_WC_REG_RX66_SCW1, 0xC0D0);
4114 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4115 MDIO_WC_REG_RX66_SCW2, 0xA0B0);
4117 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4118 MDIO_WC_REG_RX66_SCW3, 0x8090);
4120 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4121 MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
4123 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4124 MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
4126 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4127 MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
4129 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4130 MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
4132 /* Serdes Digital Misc1 */
4133 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4134 MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
4136 /* Serdes Digital4 Misc3 */
4137 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4138 MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
4140 /* Set Transmit PMD settings */
4141 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4142 MDIO_WC_REG_TX_FIR_TAP,
4143 (WC_TX_FIR(0x12, 0x2d, 0x00) |
4144 MDIO_WC_REG_TX_FIR_TAP_ENABLE));
4145 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4146 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
4147 WC_TX_DRIVER(0x02, 0x02, 0x02));
4150 static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
4151 struct link_params *params,
4155 struct bnx2x *bp = params->bp;
4156 u16 val16, digctrl_kx1, digctrl_kx2;
4158 /* Clear XFI clock comp in non-10G single lane mode. */
4159 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4160 MDIO_WC_REG_RX66_CONTROL, ~(3<<13));
4162 bnx2x_warpcore_set_lpi_passthrough(phy, params);
4164 if (always_autoneg || phy->req_line_speed == SPEED_AUTO_NEG) {
4166 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4167 MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
4169 DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
4171 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4172 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4174 switch (phy->req_line_speed) {
4185 "Speed not supported: 0x%x\n", phy->req_line_speed);
4189 if (phy->req_duplex == DUPLEX_FULL)
4192 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4193 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
4195 DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
4196 phy->req_line_speed);
4197 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4198 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
4199 DP(NETIF_MSG_LINK, " (readback) %x\n", val16);
4202 /* SGMII Slave mode and disable signal detect */
4203 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4204 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
4208 digctrl_kx1 &= 0xff4a;
4210 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4211 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4214 /* Turn off parallel detect */
4215 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4216 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
4217 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4218 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4219 (digctrl_kx2 & ~(1<<2)));
4221 /* Re-enable parallel detect */
4222 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4223 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4224 (digctrl_kx2 | (1<<2)));
4226 /* Enable autodet */
4227 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4228 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4229 (digctrl_kx1 | 0x10));
4232 static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
4233 struct bnx2x_phy *phy,
4237 /* Take lane out of reset after configuration is finished */
4238 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4239 MDIO_WC_REG_DIGITAL5_MISC6, &val);
4244 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4245 MDIO_WC_REG_DIGITAL5_MISC6, val);
4246 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4247 MDIO_WC_REG_DIGITAL5_MISC6, &val);
4249 /* Clear SFI/XFI link settings registers */
4250 static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
4251 struct link_params *params,
4254 struct bnx2x *bp = params->bp;
4256 static struct bnx2x_reg_set wc_regs[] = {
4257 {MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0},
4258 {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL1, 0x014a},
4259 {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL3, 0x0800},
4260 {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL4_MISC3, 0x8008},
4261 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4263 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4265 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
4267 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000},
4268 {MDIO_WC_DEVAD, MDIO_WC_REG_TX_FIR_TAP, 0x0000},
4269 {MDIO_WC_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040},
4270 {MDIO_WC_DEVAD, MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140}
4272 /* Set XFI clock comp as default. */
4273 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4274 MDIO_WC_REG_RX66_CONTROL, (3<<13));
4276 for (i = 0; i < ARRAY_SIZE(wc_regs); i++)
4277 bnx2x_cl45_write(bp, phy, wc_regs[i].devad, wc_regs[i].reg,
4280 lane = bnx2x_get_warpcore_lane(phy, params);
4281 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4282 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
4286 static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
4288 u32 shmem_base, u8 port,
4289 u8 *gpio_num, u8 *gpio_port)
4294 if (CHIP_IS_E3(bp)) {
4295 cfg_pin = (REG_RD(bp, shmem_base +
4296 offsetof(struct shmem_region,
4297 dev_info.port_hw_config[port].e3_sfp_ctrl)) &
4298 PORT_HW_CFG_E3_MOD_ABS_MASK) >>
4299 PORT_HW_CFG_E3_MOD_ABS_SHIFT;
4301 /* Should not happen. This function called upon interrupt
4302 * triggered by GPIO ( since EPIO can only generate interrupts
4304 * So if this function was called and none of the GPIOs was set,
4305 * it means the shit hit the fan.
4307 if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
4308 (cfg_pin > PIN_CFG_GPIO3_P1)) {
4310 "No cfg pin %x for module detect indication\n",
4315 *gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
4316 *gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
4318 *gpio_num = MISC_REGISTERS_GPIO_3;
4325 static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
4326 struct link_params *params)
4328 struct bnx2x *bp = params->bp;
4329 u8 gpio_num, gpio_port;
4331 if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
4332 params->shmem_base, params->port,
4333 &gpio_num, &gpio_port) != 0)
4335 gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
4337 /* Call the handling function in case module is detected */
4343 static int bnx2x_warpcore_get_sigdet(struct bnx2x_phy *phy,
4344 struct link_params *params)
4346 u16 gp2_status_reg0, lane;
4347 struct bnx2x *bp = params->bp;
4349 lane = bnx2x_get_warpcore_lane(phy, params);
4351 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
4354 return (gp2_status_reg0 >> (8+lane)) & 0x1;
4357 static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy,
4358 struct link_params *params,
4359 struct link_vars *vars)
4361 struct bnx2x *bp = params->bp;
4363 u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
4365 vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;
4367 if (!vars->turn_to_run_wc_rt)
4370 if (vars->rx_tx_asic_rst) {
4371 u16 lane = bnx2x_get_warpcore_lane(phy, params);
4372 serdes_net_if = (REG_RD(bp, params->shmem_base +
4373 offsetof(struct shmem_region, dev_info.
4374 port_hw_config[params->port].default_cfg)) &
4375 PORT_HW_CFG_NET_SERDES_IF_MASK);
4377 switch (serdes_net_if) {
4378 case PORT_HW_CFG_NET_SERDES_IF_KR:
4379 /* Do we get link yet? */
4380 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 0x81d1,
4382 lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */
4384 lnkup_kr = (gp_status1 >> (12+lane)) & 0x1;
4386 if (lnkup_kr || lnkup) {
4387 vars->rx_tx_asic_rst = 0;
4389 /* Reset the lane to see if link comes up.*/
4390 bnx2x_warpcore_reset_lane(bp, phy, 1);
4391 bnx2x_warpcore_reset_lane(bp, phy, 0);
4393 /* Restart Autoneg */
4394 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
4395 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
4397 vars->rx_tx_asic_rst--;
4398 DP(NETIF_MSG_LINK, "0x%x retry left\n",
4399 vars->rx_tx_asic_rst);
4407 } /*params->rx_tx_asic_rst*/
4410 static void bnx2x_warpcore_config_sfi(struct bnx2x_phy *phy,
4411 struct link_params *params)
4413 u16 lane = bnx2x_get_warpcore_lane(phy, params);
4414 struct bnx2x *bp = params->bp;
4415 bnx2x_warpcore_clear_regs(phy, params, lane);
4416 if ((params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)] ==
4418 (phy->media_type != ETH_PHY_SFP_1G_FIBER)) {
4419 DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
4420 bnx2x_warpcore_set_10G_XFI(phy, params, 0);
4422 DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
4423 bnx2x_warpcore_set_sgmii_speed(phy, params, 1, 0);
4427 static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
4428 struct bnx2x_phy *phy,
4431 struct bnx2x *bp = params->bp;
4433 u8 port = params->port;
4435 cfg_pin = REG_RD(bp, params->shmem_base +
4436 offsetof(struct shmem_region,
4437 dev_info.port_hw_config[port].e3_sfp_ctrl)) &
4438 PORT_HW_CFG_E3_TX_LASER_MASK;
4439 /* Set the !tx_en since this pin is DISABLE_TX_LASER */
4440 DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
4442 /* For 20G, the expected pin to be used is 3 pins after the current */
4443 bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
4444 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
4445 bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
4448 static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
4449 struct link_params *params,
4450 struct link_vars *vars)
4452 struct bnx2x *bp = params->bp;
4455 u16 lane = bnx2x_get_warpcore_lane(phy, params);
4456 serdes_net_if = (REG_RD(bp, params->shmem_base +
4457 offsetof(struct shmem_region, dev_info.
4458 port_hw_config[params->port].default_cfg)) &
4459 PORT_HW_CFG_NET_SERDES_IF_MASK);
4460 DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
4461 "serdes_net_if = 0x%x\n",
4462 vars->line_speed, serdes_net_if);
4463 bnx2x_set_aer_mmd(params, phy);
4464 bnx2x_warpcore_reset_lane(bp, phy, 1);
4465 vars->phy_flags |= PHY_XGXS_FLAG;
4466 if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
4467 (phy->req_line_speed &&
4468 ((phy->req_line_speed == SPEED_100) ||
4469 (phy->req_line_speed == SPEED_10)))) {
4470 vars->phy_flags |= PHY_SGMII_FLAG;
4471 DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
4472 bnx2x_warpcore_clear_regs(phy, params, lane);
4473 bnx2x_warpcore_set_sgmii_speed(phy, params, 0, 1);
4475 switch (serdes_net_if) {
4476 case PORT_HW_CFG_NET_SERDES_IF_KR:
4477 /* Enable KR Auto Neg */
4478 if (params->loopback_mode != LOOPBACK_EXT)
4479 bnx2x_warpcore_enable_AN_KR(phy, params, vars);
4481 DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
4482 bnx2x_warpcore_set_10G_KR(phy, params, vars);
4486 case PORT_HW_CFG_NET_SERDES_IF_XFI:
4487 bnx2x_warpcore_clear_regs(phy, params, lane);
4488 if (vars->line_speed == SPEED_10000) {
4489 DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
4490 bnx2x_warpcore_set_10G_XFI(phy, params, 1);
4492 if (SINGLE_MEDIA_DIRECT(params)) {
4493 DP(NETIF_MSG_LINK, "1G Fiber\n");
4496 DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
4499 bnx2x_warpcore_set_sgmii_speed(phy,
4507 case PORT_HW_CFG_NET_SERDES_IF_SFI:
4508 /* Issue Module detection if module is plugged, or
4509 * enabled transmitter to avoid current leakage in case
4510 * no module is connected
4512 if ((params->loopback_mode == LOOPBACK_NONE) ||
4513 (params->loopback_mode == LOOPBACK_EXT)) {
4514 if (bnx2x_is_sfp_module_plugged(phy, params))
4515 bnx2x_sfp_module_detection(phy, params);
4517 bnx2x_sfp_e3_set_transmitter(params,
4521 bnx2x_warpcore_config_sfi(phy, params);
4524 case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
4525 if (vars->line_speed != SPEED_20000) {
4526 DP(NETIF_MSG_LINK, "Speed not supported yet\n");
4529 DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
4530 bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
4531 /* Issue Module detection */
4533 bnx2x_sfp_module_detection(phy, params);
4535 case PORT_HW_CFG_NET_SERDES_IF_KR2:
4536 if (!params->loopback_mode) {
4537 bnx2x_warpcore_enable_AN_KR(phy, params, vars);
4539 DP(NETIF_MSG_LINK, "Setting KR 20G-Force\n");
4540 bnx2x_warpcore_set_20G_force_KR2(phy, params);
4545 "Unsupported Serdes Net Interface 0x%x\n",
4551 /* Take lane out of reset after configuration is finished */
4552 bnx2x_warpcore_reset_lane(bp, phy, 0);
4553 DP(NETIF_MSG_LINK, "Exit config init\n");
4556 static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
4557 struct link_params *params)
4559 struct bnx2x *bp = params->bp;
4561 bnx2x_sfp_e3_set_transmitter(params, phy, 0);
4562 bnx2x_set_mdio_emac_per_phy(bp, params);
4563 bnx2x_set_aer_mmd(params, phy);
4564 /* Global register */
4565 bnx2x_warpcore_reset_lane(bp, phy, 1);
4567 /* Clear loopback settings (if any) */
4569 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4570 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0xBFFF);
4572 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4573 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0xfffe);
4575 /* Update those 1-copy registers */
4576 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4577 MDIO_AER_BLOCK_AER_REG, 0);
4578 /* Enable 1G MDIO (1-copy) */
4579 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4580 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4583 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
4584 MDIO_WC_REG_XGXSBLK1_LANECTRL2, 0xff00);
4585 lane = bnx2x_get_warpcore_lane(phy, params);
4586 /* Disable CL36 PCS Tx */
4587 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4588 MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
4589 val16 |= (0x11 << lane);
4590 if (phy->flags & FLAGS_WC_DUAL_MODE)
4591 val16 |= (0x22 << lane);
4592 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4593 MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
4595 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4596 MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
4597 val16 &= ~(0x0303 << (lane << 1));
4598 val16 |= (0x0101 << (lane << 1));
4599 if (phy->flags & FLAGS_WC_DUAL_MODE) {
4600 val16 &= ~(0x0c0c << (lane << 1));
4601 val16 |= (0x0404 << (lane << 1));
4604 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4605 MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
4607 bnx2x_set_aer_mmd(params, phy);
4611 static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
4612 struct link_params *params)
4614 struct bnx2x *bp = params->bp;
4617 DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
4618 params->loopback_mode, phy->req_line_speed);
4620 if (phy->req_line_speed < SPEED_10000 ||
4621 phy->supported & SUPPORTED_20000baseKR2_Full) {
4622 /* 10/100/1000/20G-KR2 */
4624 /* Update those 1-copy registers */
4625 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
4626 MDIO_AER_BLOCK_AER_REG, 0);
4627 /* Enable 1G MDIO (1-copy) */
4628 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4629 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
4631 /* Set 1G loopback based on lane (1-copy) */
4632 lane = bnx2x_get_warpcore_lane(phy, params);
4633 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
4634 MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
4636 if (phy->flags & FLAGS_WC_DUAL_MODE)
4638 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
4639 MDIO_WC_REG_XGXSBLK1_LANECTRL2,
4642 /* Switch back to 4-copy registers */
4643 bnx2x_set_aer_mmd(params, phy);
4645 /* 10G / 20G-DXGXS */
4646 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4647 MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
4649 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
4650 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1);
4656 static void bnx2x_sync_link(struct link_params *params,
4657 struct link_vars *vars)
4659 struct bnx2x *bp = params->bp;
4661 if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
4662 vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
4663 vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
4664 if (vars->link_up) {
4665 DP(NETIF_MSG_LINK, "phy link up\n");
4667 vars->phy_link_up = 1;
4668 vars->duplex = DUPLEX_FULL;
4669 switch (vars->link_status &
4670 LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
4672 vars->duplex = DUPLEX_HALF;
4675 vars->line_speed = SPEED_10;
4679 vars->duplex = DUPLEX_HALF;
4683 vars->line_speed = SPEED_100;
4687 vars->duplex = DUPLEX_HALF;
4690 vars->line_speed = SPEED_1000;
4694 vars->duplex = DUPLEX_HALF;
4697 vars->line_speed = SPEED_2500;
4701 vars->line_speed = SPEED_10000;
4704 vars->line_speed = SPEED_20000;
4709 vars->flow_ctrl = 0;
4710 if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
4711 vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
4713 if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
4714 vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
4716 if (!vars->flow_ctrl)
4717 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
4719 if (vars->line_speed &&
4720 ((vars->line_speed == SPEED_10) ||
4721 (vars->line_speed == SPEED_100))) {
4722 vars->phy_flags |= PHY_SGMII_FLAG;
4724 vars->phy_flags &= ~PHY_SGMII_FLAG;
4726 if (vars->line_speed &&
4727 USES_WARPCORE(bp) &&
4728 (vars->line_speed == SPEED_1000))
4729 vars->phy_flags |= PHY_SGMII_FLAG;
4730 /* Anything 10 and over uses the bmac */
4731 link_10g_plus = (vars->line_speed >= SPEED_10000);
4733 if (link_10g_plus) {
4734 if (USES_WARPCORE(bp))
4735 vars->mac_type = MAC_TYPE_XMAC;
4737 vars->mac_type = MAC_TYPE_BMAC;
4739 if (USES_WARPCORE(bp))
4740 vars->mac_type = MAC_TYPE_UMAC;
4742 vars->mac_type = MAC_TYPE_EMAC;
4744 } else { /* Link down */
4745 DP(NETIF_MSG_LINK, "phy link down\n");
4747 vars->phy_link_up = 0;
4749 vars->line_speed = 0;
4750 vars->duplex = DUPLEX_FULL;
4751 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
4753 /* Indicate no mac active */
4754 vars->mac_type = MAC_TYPE_NONE;
4755 if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
4756 vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
4757 if (vars->link_status & LINK_STATUS_SFP_TX_FAULT)
4758 vars->phy_flags |= PHY_SFP_TX_FAULT_FLAG;
4762 void bnx2x_link_status_update(struct link_params *params,
4763 struct link_vars *vars)
4765 struct bnx2x *bp = params->bp;
4766 u8 port = params->port;
4767 u32 sync_offset, media_types;
4768 /* Update PHY configuration */
4769 set_phy_vars(params, vars);
4771 vars->link_status = REG_RD(bp, params->shmem_base +
4772 offsetof(struct shmem_region,
4773 port_mb[port].link_status));
4775 /* Force link UP in non LOOPBACK_EXT loopback mode(s) */
4776 if (params->loopback_mode != LOOPBACK_NONE &&
4777 params->loopback_mode != LOOPBACK_EXT)
4778 vars->link_status |= LINK_STATUS_LINK_UP;
4780 if (bnx2x_eee_has_cap(params))
4781 vars->eee_status = REG_RD(bp, params->shmem2_base +
4782 offsetof(struct shmem2_region,
4783 eee_status[params->port]));
4785 vars->phy_flags = PHY_XGXS_FLAG;
4786 bnx2x_sync_link(params, vars);
4787 /* Sync media type */
4788 sync_offset = params->shmem_base +
4789 offsetof(struct shmem_region,
4790 dev_info.port_hw_config[port].media_type);
4791 media_types = REG_RD(bp, sync_offset);
4793 params->phy[INT_PHY].media_type =
4794 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
4795 PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
4796 params->phy[EXT_PHY1].media_type =
4797 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
4798 PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
4799 params->phy[EXT_PHY2].media_type =
4800 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
4801 PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
4802 DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
4804 /* Sync AEU offset */
4805 sync_offset = params->shmem_base +
4806 offsetof(struct shmem_region,
4807 dev_info.port_hw_config[port].aeu_int_mask);
4809 vars->aeu_int_mask = REG_RD(bp, sync_offset);
4811 /* Sync PFC status */
4812 if (vars->link_status & LINK_STATUS_PFC_ENABLED)
4813 params->feature_config_flags |=
4814 FEATURE_CONFIG_PFC_ENABLED;
4816 params->feature_config_flags &=
4817 ~FEATURE_CONFIG_PFC_ENABLED;
4819 if (SHMEM2_HAS(bp, link_attr_sync))
4820 params->link_attr_sync = SHMEM2_RD(bp,
4821 link_attr_sync[params->port]);
4823 DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
4824 vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
4825 DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
4826 vars->line_speed, vars->duplex, vars->flow_ctrl);
4829 static void bnx2x_set_master_ln(struct link_params *params,
4830 struct bnx2x_phy *phy)
4832 struct bnx2x *bp = params->bp;
4833 u16 new_master_ln, ser_lane;
4834 ser_lane = ((params->lane_config &
4835 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
4836 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
4838 /* Set the master_ln for AN */
4839 CL22_RD_OVER_CL45(bp, phy,
4840 MDIO_REG_BANK_XGXS_BLOCK2,
4841 MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
4844 CL22_WR_OVER_CL45(bp, phy,
4845 MDIO_REG_BANK_XGXS_BLOCK2 ,
4846 MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
4847 (new_master_ln | ser_lane));
4850 static int bnx2x_reset_unicore(struct link_params *params,
4851 struct bnx2x_phy *phy,
4854 struct bnx2x *bp = params->bp;
4857 CL22_RD_OVER_CL45(bp, phy,
4858 MDIO_REG_BANK_COMBO_IEEE0,
4859 MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
4861 /* Reset the unicore */
4862 CL22_WR_OVER_CL45(bp, phy,
4863 MDIO_REG_BANK_COMBO_IEEE0,
4864 MDIO_COMBO_IEEE0_MII_CONTROL,
4866 MDIO_COMBO_IEEO_MII_CONTROL_RESET));
4868 bnx2x_set_serdes_access(bp, params->port);
4870 /* Wait for the reset to self clear */
4871 for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
4874 /* The reset erased the previous bank value */
4875 CL22_RD_OVER_CL45(bp, phy,
4876 MDIO_REG_BANK_COMBO_IEEE0,
4877 MDIO_COMBO_IEEE0_MII_CONTROL,
4880 if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
4886 netdev_err(bp->dev, "Warning: PHY was not initialized,"
4889 DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
4894 static void bnx2x_set_swap_lanes(struct link_params *params,
4895 struct bnx2x_phy *phy)
4897 struct bnx2x *bp = params->bp;
4898 /* Each two bits represents a lane number:
4899 * No swap is 0123 => 0x1b no need to enable the swap
4901 u16 rx_lane_swap, tx_lane_swap;
4903 rx_lane_swap = ((params->lane_config &
4904 PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
4905 PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
4906 tx_lane_swap = ((params->lane_config &
4907 PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
4908 PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
4910 if (rx_lane_swap != 0x1b) {
4911 CL22_WR_OVER_CL45(bp, phy,
4912 MDIO_REG_BANK_XGXS_BLOCK2,
4913 MDIO_XGXS_BLOCK2_RX_LN_SWAP,
4915 MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
4916 MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
4918 CL22_WR_OVER_CL45(bp, phy,
4919 MDIO_REG_BANK_XGXS_BLOCK2,
4920 MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
4923 if (tx_lane_swap != 0x1b) {
4924 CL22_WR_OVER_CL45(bp, phy,
4925 MDIO_REG_BANK_XGXS_BLOCK2,
4926 MDIO_XGXS_BLOCK2_TX_LN_SWAP,
4928 MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
4930 CL22_WR_OVER_CL45(bp, phy,
4931 MDIO_REG_BANK_XGXS_BLOCK2,
4932 MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
4936 static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
4937 struct link_params *params)
4939 struct bnx2x *bp = params->bp;
4941 CL22_RD_OVER_CL45(bp, phy,
4942 MDIO_REG_BANK_SERDES_DIGITAL,
4943 MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
4945 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
4946 control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
4948 control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
4949 DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
4950 phy->speed_cap_mask, control2);
4951 CL22_WR_OVER_CL45(bp, phy,
4952 MDIO_REG_BANK_SERDES_DIGITAL,
4953 MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
4956 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
4957 (phy->speed_cap_mask &
4958 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
4959 DP(NETIF_MSG_LINK, "XGXS\n");
4961 CL22_WR_OVER_CL45(bp, phy,
4962 MDIO_REG_BANK_10G_PARALLEL_DETECT,
4963 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
4964 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
4966 CL22_RD_OVER_CL45(bp, phy,
4967 MDIO_REG_BANK_10G_PARALLEL_DETECT,
4968 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
4973 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
4975 CL22_WR_OVER_CL45(bp, phy,
4976 MDIO_REG_BANK_10G_PARALLEL_DETECT,
4977 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
4980 /* Disable parallel detection of HiG */
4981 CL22_WR_OVER_CL45(bp, phy,
4982 MDIO_REG_BANK_XGXS_BLOCK2,
4983 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
4984 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
4985 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
4989 static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
4990 struct link_params *params,
4991 struct link_vars *vars,
4994 struct bnx2x *bp = params->bp;
4998 CL22_RD_OVER_CL45(bp, phy,
4999 MDIO_REG_BANK_COMBO_IEEE0,
5000 MDIO_COMBO_IEEE0_MII_CONTROL, ®_val);
5002 /* CL37 Autoneg Enabled */
5003 if (vars->line_speed == SPEED_AUTO_NEG)
5004 reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
5005 else /* CL37 Autoneg Disabled */
5006 reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5007 MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
5009 CL22_WR_OVER_CL45(bp, phy,
5010 MDIO_REG_BANK_COMBO_IEEE0,
5011 MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
5013 /* Enable/Disable Autodetection */
5015 CL22_RD_OVER_CL45(bp, phy,
5016 MDIO_REG_BANK_SERDES_DIGITAL,
5017 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, ®_val);
5018 reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
5019 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
5020 reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
5021 if (vars->line_speed == SPEED_AUTO_NEG)
5022 reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
5024 reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
5026 CL22_WR_OVER_CL45(bp, phy,
5027 MDIO_REG_BANK_SERDES_DIGITAL,
5028 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
5030 /* Enable TetonII and BAM autoneg */
5031 CL22_RD_OVER_CL45(bp, phy,
5032 MDIO_REG_BANK_BAM_NEXT_PAGE,
5033 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
5035 if (vars->line_speed == SPEED_AUTO_NEG) {
5036 /* Enable BAM aneg Mode and TetonII aneg Mode */
5037 reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
5038 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
5040 /* TetonII and BAM Autoneg Disabled */
5041 reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
5042 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
5044 CL22_WR_OVER_CL45(bp, phy,
5045 MDIO_REG_BANK_BAM_NEXT_PAGE,
5046 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
5050 /* Enable Cl73 FSM status bits */
5051 CL22_WR_OVER_CL45(bp, phy,
5052 MDIO_REG_BANK_CL73_USERB0,
5053 MDIO_CL73_USERB0_CL73_UCTRL,
5056 /* Enable BAM Station Manager*/
5057 CL22_WR_OVER_CL45(bp, phy,
5058 MDIO_REG_BANK_CL73_USERB0,
5059 MDIO_CL73_USERB0_CL73_BAM_CTRL1,
5060 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
5061 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
5062 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
5064 /* Advertise CL73 link speeds */
5065 CL22_RD_OVER_CL45(bp, phy,
5066 MDIO_REG_BANK_CL73_IEEEB1,
5067 MDIO_CL73_IEEEB1_AN_ADV2,
5069 if (phy->speed_cap_mask &
5070 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
5071 reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
5072 if (phy->speed_cap_mask &
5073 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
5074 reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
5076 CL22_WR_OVER_CL45(bp, phy,
5077 MDIO_REG_BANK_CL73_IEEEB1,
5078 MDIO_CL73_IEEEB1_AN_ADV2,
5081 /* CL73 Autoneg Enabled */
5082 reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
5084 } else /* CL73 Autoneg Disabled */
5087 CL22_WR_OVER_CL45(bp, phy,
5088 MDIO_REG_BANK_CL73_IEEEB0,
5089 MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
5092 /* Program SerDes, forced speed */
5093 static void bnx2x_program_serdes(struct bnx2x_phy *phy,
5094 struct link_params *params,
5095 struct link_vars *vars)
5097 struct bnx2x *bp = params->bp;
5100 /* Program duplex, disable autoneg and sgmii*/
5101 CL22_RD_OVER_CL45(bp, phy,
5102 MDIO_REG_BANK_COMBO_IEEE0,
5103 MDIO_COMBO_IEEE0_MII_CONTROL, ®_val);
5104 reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
5105 MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5106 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
5107 if (phy->req_duplex == DUPLEX_FULL)
5108 reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
5109 CL22_WR_OVER_CL45(bp, phy,
5110 MDIO_REG_BANK_COMBO_IEEE0,
5111 MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
5114 * - needed only if the speed is greater than 1G (2.5G or 10G)
5116 CL22_RD_OVER_CL45(bp, phy,
5117 MDIO_REG_BANK_SERDES_DIGITAL,
5118 MDIO_SERDES_DIGITAL_MISC1, ®_val);
5119 /* Clearing the speed value before setting the right speed */
5120 DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
5122 reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
5123 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
5125 if (!((vars->line_speed == SPEED_1000) ||
5126 (vars->line_speed == SPEED_100) ||
5127 (vars->line_speed == SPEED_10))) {
5129 reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
5130 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
5131 if (vars->line_speed == SPEED_10000)
5133 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
5136 CL22_WR_OVER_CL45(bp, phy,
5137 MDIO_REG_BANK_SERDES_DIGITAL,
5138 MDIO_SERDES_DIGITAL_MISC1, reg_val);
5142 static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
5143 struct link_params *params)
5145 struct bnx2x *bp = params->bp;
5148 /* Set extended capabilities */
5149 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
5150 val |= MDIO_OVER_1G_UP1_2_5G;
5151 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
5152 val |= MDIO_OVER_1G_UP1_10G;
5153 CL22_WR_OVER_CL45(bp, phy,
5154 MDIO_REG_BANK_OVER_1G,
5155 MDIO_OVER_1G_UP1, val);
5157 CL22_WR_OVER_CL45(bp, phy,
5158 MDIO_REG_BANK_OVER_1G,
5159 MDIO_OVER_1G_UP3, 0x400);
5162 static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
5163 struct link_params *params,
5166 struct bnx2x *bp = params->bp;
5168 /* For AN, we are always publishing full duplex */
5170 CL22_WR_OVER_CL45(bp, phy,
5171 MDIO_REG_BANK_COMBO_IEEE0,
5172 MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
5173 CL22_RD_OVER_CL45(bp, phy,
5174 MDIO_REG_BANK_CL73_IEEEB1,
5175 MDIO_CL73_IEEEB1_AN_ADV1, &val);
5176 val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
5177 val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
5178 CL22_WR_OVER_CL45(bp, phy,
5179 MDIO_REG_BANK_CL73_IEEEB1,
5180 MDIO_CL73_IEEEB1_AN_ADV1, val);
5183 static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
5184 struct link_params *params,
5187 struct bnx2x *bp = params->bp;
5190 DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
5191 /* Enable and restart BAM/CL37 aneg */
5194 CL22_RD_OVER_CL45(bp, phy,
5195 MDIO_REG_BANK_CL73_IEEEB0,
5196 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5199 CL22_WR_OVER_CL45(bp, phy,
5200 MDIO_REG_BANK_CL73_IEEEB0,
5201 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5203 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
5204 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
5207 CL22_RD_OVER_CL45(bp, phy,
5208 MDIO_REG_BANK_COMBO_IEEE0,
5209 MDIO_COMBO_IEEE0_MII_CONTROL,
5212 "bnx2x_restart_autoneg mii_control before = 0x%x\n",
5214 CL22_WR_OVER_CL45(bp, phy,
5215 MDIO_REG_BANK_COMBO_IEEE0,
5216 MDIO_COMBO_IEEE0_MII_CONTROL,
5218 MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5219 MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
5223 static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
5224 struct link_params *params,
5225 struct link_vars *vars)
5227 struct bnx2x *bp = params->bp;
5230 /* In SGMII mode, the unicore is always slave */
5232 CL22_RD_OVER_CL45(bp, phy,
5233 MDIO_REG_BANK_SERDES_DIGITAL,
5234 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
5236 control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
5237 /* Set sgmii mode (and not fiber) */
5238 control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
5239 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
5240 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
5241 CL22_WR_OVER_CL45(bp, phy,
5242 MDIO_REG_BANK_SERDES_DIGITAL,
5243 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
5246 /* If forced speed */
5247 if (!(vars->line_speed == SPEED_AUTO_NEG)) {
5248 /* Set speed, disable autoneg */
5251 CL22_RD_OVER_CL45(bp, phy,
5252 MDIO_REG_BANK_COMBO_IEEE0,
5253 MDIO_COMBO_IEEE0_MII_CONTROL,
5255 mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5256 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
5257 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
5259 switch (vars->line_speed) {
5262 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
5266 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
5269 /* There is nothing to set for 10M */
5272 /* Invalid speed for SGMII */
5273 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
5278 /* Setting the full duplex */
5279 if (phy->req_duplex == DUPLEX_FULL)
5281 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
5282 CL22_WR_OVER_CL45(bp, phy,
5283 MDIO_REG_BANK_COMBO_IEEE0,
5284 MDIO_COMBO_IEEE0_MII_CONTROL,
5287 } else { /* AN mode */
5288 /* Enable and restart AN */
5289 bnx2x_restart_autoneg(phy, params, 0);
5295 static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
5296 struct link_params *params)
5298 struct bnx2x *bp = params->bp;
5299 u16 pd_10g, status2_1000x;
5300 if (phy->req_line_speed != SPEED_AUTO_NEG)
5302 CL22_RD_OVER_CL45(bp, phy,
5303 MDIO_REG_BANK_SERDES_DIGITAL,
5304 MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
5306 CL22_RD_OVER_CL45(bp, phy,
5307 MDIO_REG_BANK_SERDES_DIGITAL,
5308 MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
5310 if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
5311 DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
5316 CL22_RD_OVER_CL45(bp, phy,
5317 MDIO_REG_BANK_10G_PARALLEL_DETECT,
5318 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
5321 if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
5322 DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
5329 static void bnx2x_update_adv_fc(struct bnx2x_phy *phy,
5330 struct link_params *params,
5331 struct link_vars *vars,
5334 u16 ld_pause; /* local driver */
5335 u16 lp_pause; /* link partner */
5337 struct bnx2x *bp = params->bp;
5339 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
5340 MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
5341 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
5342 MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
5344 CL22_RD_OVER_CL45(bp, phy,
5345 MDIO_REG_BANK_CL73_IEEEB1,
5346 MDIO_CL73_IEEEB1_AN_ADV1,
5348 CL22_RD_OVER_CL45(bp, phy,
5349 MDIO_REG_BANK_CL73_IEEEB1,
5350 MDIO_CL73_IEEEB1_AN_LP_ADV1,
5352 pause_result = (ld_pause &
5353 MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK) >> 8;
5354 pause_result |= (lp_pause &
5355 MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK) >> 10;
5356 DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n", pause_result);
5358 CL22_RD_OVER_CL45(bp, phy,
5359 MDIO_REG_BANK_COMBO_IEEE0,
5360 MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
5362 CL22_RD_OVER_CL45(bp, phy,
5363 MDIO_REG_BANK_COMBO_IEEE0,
5364 MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
5366 pause_result = (ld_pause &
5367 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
5368 pause_result |= (lp_pause &
5369 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
5370 DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n", pause_result);
5372 bnx2x_pause_resolve(vars, pause_result);
5376 static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
5377 struct link_params *params,
5378 struct link_vars *vars,
5381 struct bnx2x *bp = params->bp;
5382 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
5384 /* Resolve from gp_status in case of AN complete and not sgmii */
5385 if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
5386 /* Update the advertised flow-controled of LD/LP in AN */
5387 if (phy->req_line_speed == SPEED_AUTO_NEG)
5388 bnx2x_update_adv_fc(phy, params, vars, gp_status);
5389 /* But set the flow-control result as the requested one */
5390 vars->flow_ctrl = phy->req_flow_ctrl;
5391 } else if (phy->req_line_speed != SPEED_AUTO_NEG)
5392 vars->flow_ctrl = params->req_fc_auto_adv;
5393 else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
5394 (!(vars->phy_flags & PHY_SGMII_FLAG))) {
5395 if (bnx2x_direct_parallel_detect_used(phy, params)) {
5396 vars->flow_ctrl = params->req_fc_auto_adv;
5399 bnx2x_update_adv_fc(phy, params, vars, gp_status);
5401 DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
5404 static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
5405 struct link_params *params)
5407 struct bnx2x *bp = params->bp;
5408 u16 rx_status, ustat_val, cl37_fsm_received;
5409 DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
5410 /* Step 1: Make sure signal is detected */
5411 CL22_RD_OVER_CL45(bp, phy,
5415 if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
5416 (MDIO_RX0_RX_STATUS_SIGDET)) {
5417 DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
5418 "rx_status(0x80b0) = 0x%x\n", rx_status);
5419 CL22_WR_OVER_CL45(bp, phy,
5420 MDIO_REG_BANK_CL73_IEEEB0,
5421 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5422 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
5425 /* Step 2: Check CL73 state machine */
5426 CL22_RD_OVER_CL45(bp, phy,
5427 MDIO_REG_BANK_CL73_USERB0,
5428 MDIO_CL73_USERB0_CL73_USTAT1,
5431 (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
5432 MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
5433 (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
5434 MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
5435 DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
5436 "ustat_val(0x8371) = 0x%x\n", ustat_val);
5439 /* Step 3: Check CL37 Message Pages received to indicate LP
5440 * supports only CL37
5442 CL22_RD_OVER_CL45(bp, phy,
5443 MDIO_REG_BANK_REMOTE_PHY,
5444 MDIO_REMOTE_PHY_MISC_RX_STATUS,
5445 &cl37_fsm_received);
5446 if ((cl37_fsm_received &
5447 (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
5448 MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
5449 (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
5450 MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
5451 DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
5452 "misc_rx_status(0x8330) = 0x%x\n",
5456 /* The combined cl37/cl73 fsm state information indicating that
5457 * we are connected to a device which does not support cl73, but
5458 * does support cl37 BAM. In this case we disable cl73 and
5459 * restart cl37 auto-neg
5463 CL22_WR_OVER_CL45(bp, phy,
5464 MDIO_REG_BANK_CL73_IEEEB0,
5465 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
5467 /* Restart CL37 autoneg */
5468 bnx2x_restart_autoneg(phy, params, 0);
5469 DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
5472 static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
5473 struct link_params *params,
5474 struct link_vars *vars,
5477 if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
5478 vars->link_status |=
5479 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
5481 if (bnx2x_direct_parallel_detect_used(phy, params))
5482 vars->link_status |=
5483 LINK_STATUS_PARALLEL_DETECTION_USED;
5485 static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
5486 struct link_params *params,
5487 struct link_vars *vars,
5492 struct bnx2x *bp = params->bp;
5493 if (phy->req_line_speed == SPEED_AUTO_NEG)
5494 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
5496 DP(NETIF_MSG_LINK, "phy link up\n");
5498 vars->phy_link_up = 1;
5499 vars->link_status |= LINK_STATUS_LINK_UP;
5501 switch (speed_mask) {
5503 vars->line_speed = SPEED_10;
5504 if (is_duplex == DUPLEX_FULL)
5505 vars->link_status |= LINK_10TFD;
5507 vars->link_status |= LINK_10THD;
5510 case GP_STATUS_100M:
5511 vars->line_speed = SPEED_100;
5512 if (is_duplex == DUPLEX_FULL)
5513 vars->link_status |= LINK_100TXFD;
5515 vars->link_status |= LINK_100TXHD;
5519 case GP_STATUS_1G_KX:
5520 vars->line_speed = SPEED_1000;
5521 if (is_duplex == DUPLEX_FULL)
5522 vars->link_status |= LINK_1000TFD;
5524 vars->link_status |= LINK_1000THD;
5527 case GP_STATUS_2_5G:
5528 vars->line_speed = SPEED_2500;
5529 if (is_duplex == DUPLEX_FULL)
5530 vars->link_status |= LINK_2500TFD;
5532 vars->link_status |= LINK_2500THD;
5538 "link speed unsupported gp_status 0x%x\n",
5542 case GP_STATUS_10G_KX4:
5543 case GP_STATUS_10G_HIG:
5544 case GP_STATUS_10G_CX4:
5545 case GP_STATUS_10G_KR:
5546 case GP_STATUS_10G_SFI:
5547 case GP_STATUS_10G_XFI:
5548 vars->line_speed = SPEED_10000;
5549 vars->link_status |= LINK_10GTFD;
5551 case GP_STATUS_20G_DXGXS:
5552 case GP_STATUS_20G_KR2:
5553 vars->line_speed = SPEED_20000;
5554 vars->link_status |= LINK_20GTFD;
5558 "link speed unsupported gp_status 0x%x\n",
5562 } else { /* link_down */
5563 DP(NETIF_MSG_LINK, "phy link down\n");
5565 vars->phy_link_up = 0;
5567 vars->duplex = DUPLEX_FULL;
5568 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
5569 vars->mac_type = MAC_TYPE_NONE;
5571 DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
5572 vars->phy_link_up, vars->line_speed);
5576 static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
5577 struct link_params *params,
5578 struct link_vars *vars)
5580 struct bnx2x *bp = params->bp;
5582 u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
5585 /* Read gp_status */
5586 CL22_RD_OVER_CL45(bp, phy,
5587 MDIO_REG_BANK_GP_STATUS,
5588 MDIO_GP_STATUS_TOP_AN_STATUS1,
5590 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
5591 duplex = DUPLEX_FULL;
5592 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
5594 speed_mask = gp_status & GP_STATUS_SPEED_MASK;
5595 DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
5596 gp_status, link_up, speed_mask);
5597 rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
5602 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
5603 if (SINGLE_MEDIA_DIRECT(params)) {
5604 vars->duplex = duplex;
5605 bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
5606 if (phy->req_line_speed == SPEED_AUTO_NEG)
5607 bnx2x_xgxs_an_resolve(phy, params, vars,
5610 } else { /* Link_down */
5611 if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
5612 SINGLE_MEDIA_DIRECT(params)) {
5613 /* Check signal is detected */
5614 bnx2x_check_fallback_to_cl37(phy, params);
5618 /* Read LP advertised speeds*/
5619 if (SINGLE_MEDIA_DIRECT(params) &&
5620 (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)) {
5623 CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB1,
5624 MDIO_CL73_IEEEB1_AN_LP_ADV2, &val);
5626 if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
5627 vars->link_status |=
5628 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
5629 if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
5630 MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
5631 vars->link_status |=
5632 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5634 CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_OVER_1G,
5635 MDIO_OVER_1G_LP_UP1, &val);
5637 if (val & MDIO_OVER_1G_UP1_2_5G)
5638 vars->link_status |=
5639 LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
5640 if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
5641 vars->link_status |=
5642 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5645 DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
5646 vars->duplex, vars->flow_ctrl, vars->link_status);
5650 static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
5651 struct link_params *params,
5652 struct link_vars *vars)
5654 struct bnx2x *bp = params->bp;
5656 u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
5658 lane = bnx2x_get_warpcore_lane(phy, params);
5659 /* Read gp_status */
5660 if ((params->loopback_mode) &&
5661 (phy->flags & FLAGS_WC_DUAL_MODE)) {
5662 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5663 MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
5664 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5665 MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
5667 } else if ((phy->req_line_speed > SPEED_10000) &&
5668 (phy->supported & SUPPORTED_20000baseMLD2_Full)) {
5670 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5672 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5674 DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
5675 temp_link_up, link_up);
5678 bnx2x_ext_phy_resolve_fc(phy, params, vars);
5680 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5681 MDIO_WC_REG_GP2_STATUS_GP_2_1,
5683 DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
5684 /* Check for either KR, 1G, or AN up. */
5685 link_up = ((gp_status1 >> 8) |
5686 (gp_status1 >> 12) |
5689 if (phy->supported & SUPPORTED_20000baseKR2_Full) {
5691 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
5692 MDIO_AN_REG_STATUS, &an_link);
5693 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
5694 MDIO_AN_REG_STATUS, &an_link);
5695 link_up |= (an_link & (1<<2));
5697 if (link_up && SINGLE_MEDIA_DIRECT(params)) {
5699 if (phy->req_line_speed == SPEED_AUTO_NEG) {
5700 /* Check Autoneg complete */
5701 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5702 MDIO_WC_REG_GP2_STATUS_GP_2_4,
5704 if (gp_status4 & ((1<<12)<<lane))
5705 vars->link_status |=
5706 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
5708 /* Check parallel detect used */
5709 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5710 MDIO_WC_REG_PAR_DET_10G_STATUS,
5713 vars->link_status |=
5714 LINK_STATUS_PARALLEL_DETECTION_USED;
5716 bnx2x_ext_phy_resolve_fc(phy, params, vars);
5717 vars->duplex = duplex;
5721 if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) &&
5722 SINGLE_MEDIA_DIRECT(params)) {
5725 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
5726 MDIO_AN_REG_LP_AUTO_NEG2, &val);
5728 if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
5729 vars->link_status |=
5730 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
5731 if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
5732 MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
5733 vars->link_status |=
5734 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5736 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5737 MDIO_WC_REG_DIGITAL3_LP_UP1, &val);
5739 if (val & MDIO_OVER_1G_UP1_2_5G)
5740 vars->link_status |=
5741 LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
5742 if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
5743 vars->link_status |=
5744 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
5750 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5751 MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
5753 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
5754 MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
5756 DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
5758 if ((lane & 1) == 0)
5761 link_up = !!link_up;
5763 rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
5766 /* In case of KR link down, start up the recovering procedure */
5767 if ((!link_up) && (phy->media_type == ETH_PHY_KR) &&
5768 (!(phy->flags & FLAGS_WC_DUAL_MODE)))
5769 vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
5771 DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
5772 vars->duplex, vars->flow_ctrl, vars->link_status);
5775 static void bnx2x_set_gmii_tx_driver(struct link_params *params)
5777 struct bnx2x *bp = params->bp;
5778 struct bnx2x_phy *phy = ¶ms->phy[INT_PHY];
5784 CL22_RD_OVER_CL45(bp, phy,
5785 MDIO_REG_BANK_OVER_1G,
5786 MDIO_OVER_1G_LP_UP2, &lp_up2);
5788 /* Bits [10:7] at lp_up2, positioned at [15:12] */
5789 lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
5790 MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
5791 MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
5796 for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
5797 bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
5798 CL22_RD_OVER_CL45(bp, phy,
5800 MDIO_TX0_TX_DRIVER, &tx_driver);
5802 /* Replace tx_driver bits [15:12] */
5804 (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
5805 tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
5806 tx_driver |= lp_up2;
5807 CL22_WR_OVER_CL45(bp, phy,
5809 MDIO_TX0_TX_DRIVER, tx_driver);
5814 static int bnx2x_emac_program(struct link_params *params,
5815 struct link_vars *vars)
5817 struct bnx2x *bp = params->bp;
5818 u8 port = params->port;
5821 DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
5822 bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
5824 (EMAC_MODE_25G_MODE |
5825 EMAC_MODE_PORT_MII_10M |
5826 EMAC_MODE_HALF_DUPLEX));
5827 switch (vars->line_speed) {
5829 mode |= EMAC_MODE_PORT_MII_10M;
5833 mode |= EMAC_MODE_PORT_MII;
5837 mode |= EMAC_MODE_PORT_GMII;
5841 mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
5845 /* 10G not valid for EMAC */
5846 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
5851 if (vars->duplex == DUPLEX_HALF)
5852 mode |= EMAC_MODE_HALF_DUPLEX;
5854 GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
5857 bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
5861 static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
5862 struct link_params *params)
5866 struct bnx2x *bp = params->bp;
5868 for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
5869 bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
5870 CL22_WR_OVER_CL45(bp, phy,
5872 MDIO_RX0_RX_EQ_BOOST,
5873 phy->rx_preemphasis[i]);
5876 for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
5877 bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
5878 CL22_WR_OVER_CL45(bp, phy,
5881 phy->tx_preemphasis[i]);
5885 static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
5886 struct link_params *params,
5887 struct link_vars *vars)
5889 struct bnx2x *bp = params->bp;
5890 u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
5891 (params->loopback_mode == LOOPBACK_XGXS));
5892 if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
5893 if (SINGLE_MEDIA_DIRECT(params) &&
5894 (params->feature_config_flags &
5895 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
5896 bnx2x_set_preemphasis(phy, params);
5898 /* Forced speed requested? */
5899 if (vars->line_speed != SPEED_AUTO_NEG ||
5900 (SINGLE_MEDIA_DIRECT(params) &&
5901 params->loopback_mode == LOOPBACK_EXT)) {
5902 DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
5904 /* Disable autoneg */
5905 bnx2x_set_autoneg(phy, params, vars, 0);
5907 /* Program speed and duplex */
5908 bnx2x_program_serdes(phy, params, vars);
5910 } else { /* AN_mode */
5911 DP(NETIF_MSG_LINK, "not SGMII, AN\n");
5914 bnx2x_set_brcm_cl37_advertisement(phy, params);
5916 /* Program duplex & pause advertisement (for aneg) */
5917 bnx2x_set_ieee_aneg_advertisement(phy, params,
5920 /* Enable autoneg */
5921 bnx2x_set_autoneg(phy, params, vars, enable_cl73);
5923 /* Enable and restart AN */
5924 bnx2x_restart_autoneg(phy, params, enable_cl73);
5927 } else { /* SGMII mode */
5928 DP(NETIF_MSG_LINK, "SGMII\n");
5930 bnx2x_initialize_sgmii_process(phy, params, vars);
5934 static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
5935 struct link_params *params,
5936 struct link_vars *vars)
5939 vars->phy_flags |= PHY_XGXS_FLAG;
5940 if ((phy->req_line_speed &&
5941 ((phy->req_line_speed == SPEED_100) ||
5942 (phy->req_line_speed == SPEED_10))) ||
5943 (!phy->req_line_speed &&
5944 (phy->speed_cap_mask >=
5945 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
5946 (phy->speed_cap_mask <
5947 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
5948 (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
5949 vars->phy_flags |= PHY_SGMII_FLAG;
5951 vars->phy_flags &= ~PHY_SGMII_FLAG;
5953 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
5954 bnx2x_set_aer_mmd(params, phy);
5955 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
5956 bnx2x_set_master_ln(params, phy);
5958 rc = bnx2x_reset_unicore(params, phy, 0);
5959 /* Reset the SerDes and wait for reset bit return low */
5963 bnx2x_set_aer_mmd(params, phy);
5964 /* Setting the masterLn_def again after the reset */
5965 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
5966 bnx2x_set_master_ln(params, phy);
5967 bnx2x_set_swap_lanes(params, phy);
5973 static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
5974 struct bnx2x_phy *phy,
5975 struct link_params *params)
5978 /* Wait for soft reset to get cleared up to 1 sec */
5979 for (cnt = 0; cnt < 1000; cnt++) {
5980 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
5981 bnx2x_cl22_read(bp, phy,
5982 MDIO_PMA_REG_CTRL, &ctrl);
5984 bnx2x_cl45_read(bp, phy,
5986 MDIO_PMA_REG_CTRL, &ctrl);
5987 if (!(ctrl & (1<<15)))
5989 usleep_range(1000, 2000);
5993 netdev_err(bp->dev, "Warning: PHY was not initialized,"
5996 DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
6000 static void bnx2x_link_int_enable(struct link_params *params)
6002 u8 port = params->port;
6004 struct bnx2x *bp = params->bp;
6006 /* Setting the status to report on link up for either XGXS or SerDes */
6007 if (CHIP_IS_E3(bp)) {
6008 mask = NIG_MASK_XGXS0_LINK_STATUS;
6009 if (!(SINGLE_MEDIA_DIRECT(params)))
6010 mask |= NIG_MASK_MI_INT;
6011 } else if (params->switch_cfg == SWITCH_CFG_10G) {
6012 mask = (NIG_MASK_XGXS0_LINK10G |
6013 NIG_MASK_XGXS0_LINK_STATUS);
6014 DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
6015 if (!(SINGLE_MEDIA_DIRECT(params)) &&
6016 params->phy[INT_PHY].type !=
6017 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
6018 mask |= NIG_MASK_MI_INT;
6019 DP(NETIF_MSG_LINK, "enabled external phy int\n");
6022 } else { /* SerDes */
6023 mask = NIG_MASK_SERDES0_LINK_STATUS;
6024 DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
6025 if (!(SINGLE_MEDIA_DIRECT(params)) &&
6026 params->phy[INT_PHY].type !=
6027 PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
6028 mask |= NIG_MASK_MI_INT;
6029 DP(NETIF_MSG_LINK, "enabled external phy int\n");
6033 NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
6036 DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
6037 (params->switch_cfg == SWITCH_CFG_10G),
6038 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
6039 DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
6040 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
6041 REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
6042 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
6043 DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
6044 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
6045 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
6048 static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
6051 u32 latch_status = 0;
6053 /* Disable the MI INT ( external phy int ) by writing 1 to the
6054 * status register. Link down indication is high-active-signal,
6055 * so in this case we need to write the status to clear the XOR
6057 /* Read Latched signals */
6058 latch_status = REG_RD(bp,
6059 NIG_REG_LATCH_STATUS_0 + port*8);
6060 DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
6061 /* Handle only those with latched-signal=up.*/
6064 NIG_REG_STATUS_INTERRUPT_PORT0
6066 NIG_STATUS_EMAC0_MI_INT);
6069 NIG_REG_STATUS_INTERRUPT_PORT0
6071 NIG_STATUS_EMAC0_MI_INT);
6073 if (latch_status & 1) {
6075 /* For all latched-signal=up : Re-Arm Latch signals */
6076 REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
6077 (latch_status & 0xfffe) | (latch_status & 1));
6079 /* For all latched-signal=up,Write original_signal to status */
6082 static void bnx2x_link_int_ack(struct link_params *params,
6083 struct link_vars *vars, u8 is_10g_plus)
6085 struct bnx2x *bp = params->bp;
6086 u8 port = params->port;
6088 /* First reset all status we assume only one line will be
6091 bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
6092 (NIG_STATUS_XGXS0_LINK10G |
6093 NIG_STATUS_XGXS0_LINK_STATUS |
6094 NIG_STATUS_SERDES0_LINK_STATUS));
6095 if (vars->phy_link_up) {
6096 if (USES_WARPCORE(bp))
6097 mask = NIG_STATUS_XGXS0_LINK_STATUS;
6100 mask = NIG_STATUS_XGXS0_LINK10G;
6101 else if (params->switch_cfg == SWITCH_CFG_10G) {
6102 /* Disable the link interrupt by writing 1 to
6103 * the relevant lane in the status register
6106 ((params->lane_config &
6107 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
6108 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
6109 mask = ((1 << ser_lane) <<
6110 NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
6112 mask = NIG_STATUS_SERDES0_LINK_STATUS;
6114 DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
6117 NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
6122 static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
6125 u32 mask = 0xf0000000;
6128 u8 remove_leading_zeros = 1;
6130 /* Need more than 10chars for this format */
6138 digit = ((num & mask) >> shift);
6139 if (digit == 0 && remove_leading_zeros) {
6142 } else if (digit < 0xa)
6143 *str_ptr = digit + '0';
6145 *str_ptr = digit - 0xa + 'a';
6146 remove_leading_zeros = 0;
6154 remove_leading_zeros = 1;
6161 static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
6168 int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 *version,
6174 u8 *ver_p = version;
6175 u16 remain_len = len;
6176 if (version == NULL || params == NULL)
6180 /* Extract first external phy*/
6182 spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
6184 if (params->phy[EXT_PHY1].format_fw_ver) {
6185 status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
6188 ver_p += (len - remain_len);
6190 if ((params->num_phys == MAX_PHYS) &&
6191 (params->phy[EXT_PHY2].ver_addr != 0)) {
6192 spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
6193 if (params->phy[EXT_PHY2].format_fw_ver) {
6197 status |= params->phy[EXT_PHY2].format_fw_ver(
6201 ver_p = version + (len - remain_len);
6208 static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
6209 struct link_params *params)
6211 u8 port = params->port;
6212 struct bnx2x *bp = params->bp;
6214 if (phy->req_line_speed != SPEED_1000) {
6217 DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
6219 if (!CHIP_IS_E3(bp)) {
6220 /* Change the uni_phy_addr in the nig */
6221 md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
6224 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
6228 bnx2x_cl45_write(bp, phy,
6230 (MDIO_REG_BANK_AER_BLOCK +
6231 (MDIO_AER_BLOCK_AER_REG & 0xf)),
6234 bnx2x_cl45_write(bp, phy,
6236 (MDIO_REG_BANK_CL73_IEEEB0 +
6237 (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
6240 /* Set aer mmd back */
6241 bnx2x_set_aer_mmd(params, phy);
6243 if (!CHIP_IS_E3(bp)) {
6245 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
6250 DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
6251 bnx2x_cl45_read(bp, phy, 5,
6252 (MDIO_REG_BANK_COMBO_IEEE0 +
6253 (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
6255 bnx2x_cl45_write(bp, phy, 5,
6256 (MDIO_REG_BANK_COMBO_IEEE0 +
6257 (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
6259 MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
6263 int bnx2x_set_led(struct link_params *params,
6264 struct link_vars *vars, u8 mode, u32 speed)
6266 u8 port = params->port;
6267 u16 hw_led_mode = params->hw_led_mode;
6271 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
6272 struct bnx2x *bp = params->bp;
6273 DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
6274 DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
6275 speed, hw_led_mode);
6277 for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
6278 if (params->phy[phy_idx].set_link_led) {
6279 params->phy[phy_idx].set_link_led(
6280 ¶ms->phy[phy_idx], params, mode);
6285 case LED_MODE_FRONT_PANEL_OFF:
6287 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
6288 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
6289 SHARED_HW_CFG_LED_MAC1);
6291 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6292 if (params->phy[EXT_PHY1].type ==
6293 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
6294 tmp &= ~(EMAC_LED_1000MB_OVERRIDE |
6295 EMAC_LED_100MB_OVERRIDE |
6296 EMAC_LED_10MB_OVERRIDE);
6298 tmp |= EMAC_LED_OVERRIDE;
6300 EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp);
6304 /* For all other phys, OPER mode is same as ON, so in case
6305 * link is down, do nothing
6310 if (((params->phy[EXT_PHY1].type ==
6311 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
6312 (params->phy[EXT_PHY1].type ==
6313 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
6314 CHIP_IS_E2(bp) && params->num_phys == 2) {
6315 /* This is a work-around for E2+8727 Configurations */
6316 if (mode == LED_MODE_ON ||
6317 speed == SPEED_10000){
6318 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
6319 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
6321 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6322 EMAC_WR(bp, EMAC_REG_EMAC_LED,
6323 (tmp | EMAC_LED_OVERRIDE));
6324 /* Return here without enabling traffic
6325 * LED blink and setting rate in ON mode.
6326 * In oper mode, enabling LED blink
6327 * and setting rate is needed.
6329 if (mode == LED_MODE_ON)
6332 } else if (SINGLE_MEDIA_DIRECT(params)) {
6333 /* This is a work-around for HW issue found when link
6336 if ((!CHIP_IS_E3(bp)) ||
6338 mode == LED_MODE_ON))
6339 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
6341 if (CHIP_IS_E1x(bp) ||
6343 (mode == LED_MODE_ON))
6344 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
6346 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
6348 } else if ((params->phy[EXT_PHY1].type ==
6349 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
6350 (mode == LED_MODE_ON)) {
6351 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
6352 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6353 EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp |
6354 EMAC_LED_OVERRIDE | EMAC_LED_1000MB_OVERRIDE);
6355 /* Break here; otherwise, it'll disable the
6356 * intended override.
6360 u32 nig_led_mode = ((params->hw_led_mode <<
6361 SHARED_HW_CFG_LED_MODE_SHIFT) ==
6362 SHARED_HW_CFG_LED_EXTPHY2) ?
6363 (SHARED_HW_CFG_LED_PHY1 >>
6364 SHARED_HW_CFG_LED_MODE_SHIFT) : hw_led_mode;
6365 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
6369 REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
6370 /* Set blinking rate to ~15.9Hz */
6372 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
6373 LED_BLINK_RATE_VAL_E3);
6375 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
6376 LED_BLINK_RATE_VAL_E1X_E2);
6377 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
6379 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
6380 EMAC_WR(bp, EMAC_REG_EMAC_LED,
6381 (tmp & (~EMAC_LED_OVERRIDE)));
6383 if (CHIP_IS_E1(bp) &&
6384 ((speed == SPEED_2500) ||
6385 (speed == SPEED_1000) ||
6386 (speed == SPEED_100) ||
6387 (speed == SPEED_10))) {
6388 /* For speeds less than 10G LED scheme is different */
6389 REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
6391 REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
6393 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
6400 DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
6408 /* This function comes to reflect the actual link state read DIRECTLY from the
6411 int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
6414 struct bnx2x *bp = params->bp;
6415 u16 gp_status = 0, phy_index = 0;
6416 u8 ext_phy_link_up = 0, serdes_phy_type;
6417 struct link_vars temp_vars;
6418 struct bnx2x_phy *int_phy = ¶ms->phy[INT_PHY];
6420 if (CHIP_IS_E3(bp)) {
6422 if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
6424 /* Check 20G link */
6425 bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
6427 bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
6431 /* Check 10G link and below*/
6432 u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
6433 bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
6434 MDIO_WC_REG_GP2_STATUS_GP_2_1,
6436 gp_status = ((gp_status >> 8) & 0xf) |
6437 ((gp_status >> 12) & 0xf);
6438 link_up = gp_status & (1 << lane);
6443 CL22_RD_OVER_CL45(bp, int_phy,
6444 MDIO_REG_BANK_GP_STATUS,
6445 MDIO_GP_STATUS_TOP_AN_STATUS1,
6447 /* Link is up only if both local phy and external phy are up */
6448 if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
6451 /* In XGXS loopback mode, do not check external PHY */
6452 if (params->loopback_mode == LOOPBACK_XGXS)
6455 switch (params->num_phys) {
6457 /* No external PHY */
6460 ext_phy_link_up = params->phy[EXT_PHY1].read_status(
6461 ¶ms->phy[EXT_PHY1],
6462 params, &temp_vars);
6464 case 3: /* Dual Media */
6465 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6467 serdes_phy_type = ((params->phy[phy_index].media_type ==
6468 ETH_PHY_SFPP_10G_FIBER) ||
6469 (params->phy[phy_index].media_type ==
6470 ETH_PHY_SFP_1G_FIBER) ||
6471 (params->phy[phy_index].media_type ==
6472 ETH_PHY_XFP_FIBER) ||
6473 (params->phy[phy_index].media_type ==
6474 ETH_PHY_DA_TWINAX));
6476 if (is_serdes != serdes_phy_type)
6478 if (params->phy[phy_index].read_status) {
6480 params->phy[phy_index].read_status(
6481 ¶ms->phy[phy_index],
6482 params, &temp_vars);
6487 if (ext_phy_link_up)
6492 static int bnx2x_link_initialize(struct link_params *params,
6493 struct link_vars *vars)
6495 u8 phy_index, non_ext_phy;
6496 struct bnx2x *bp = params->bp;
6497 /* In case of external phy existence, the line speed would be the
6498 * line speed linked up by the external phy. In case it is direct
6499 * only, then the line_speed during initialization will be
6500 * equal to the req_line_speed
6502 vars->line_speed = params->phy[INT_PHY].req_line_speed;
6504 /* Initialize the internal phy in case this is a direct board
6505 * (no external phys), or this board has external phy which requires
6508 if (!USES_WARPCORE(bp))
6509 bnx2x_prepare_xgxs(¶ms->phy[INT_PHY], params, vars);
6510 /* init ext phy and enable link state int */
6511 non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
6512 (params->loopback_mode == LOOPBACK_XGXS));
6515 (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
6516 (params->loopback_mode == LOOPBACK_EXT_PHY)) {
6517 struct bnx2x_phy *phy = ¶ms->phy[INT_PHY];
6518 if (vars->line_speed == SPEED_AUTO_NEG &&
6521 bnx2x_set_parallel_detection(phy, params);
6522 if (params->phy[INT_PHY].config_init)
6523 params->phy[INT_PHY].config_init(phy, params, vars);
6526 /* Re-read this value in case it was changed inside config_init due to
6527 * limitations of optic module
6529 vars->line_speed = params->phy[INT_PHY].req_line_speed;
6531 /* Init external phy*/
6533 if (params->phy[INT_PHY].supported &
6535 vars->link_status |= LINK_STATUS_SERDES_LINK;
6537 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6539 /* No need to initialize second phy in case of first
6540 * phy only selection. In case of second phy, we do
6541 * need to initialize the first phy, since they are
6544 if (params->phy[phy_index].supported &
6546 vars->link_status |= LINK_STATUS_SERDES_LINK;
6548 if (phy_index == EXT_PHY2 &&
6549 (bnx2x_phy_selection(params) ==
6550 PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
6552 "Not initializing second phy\n");
6555 params->phy[phy_index].config_init(
6556 ¶ms->phy[phy_index],
6560 /* Reset the interrupt indication after phy was initialized */
6561 bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
6563 (NIG_STATUS_XGXS0_LINK10G |
6564 NIG_STATUS_XGXS0_LINK_STATUS |
6565 NIG_STATUS_SERDES0_LINK_STATUS |
6570 static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
6571 struct link_params *params)
6573 /* Reset the SerDes/XGXS */
6574 REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
6575 (0x1ff << (params->port*16)));
6578 static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
6579 struct link_params *params)
6581 struct bnx2x *bp = params->bp;
6585 gpio_port = BP_PATH(bp);
6587 gpio_port = params->port;
6588 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
6589 MISC_REGISTERS_GPIO_OUTPUT_LOW,
6591 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
6592 MISC_REGISTERS_GPIO_OUTPUT_LOW,
6594 DP(NETIF_MSG_LINK, "reset external PHY\n");
6597 static int bnx2x_update_link_down(struct link_params *params,
6598 struct link_vars *vars)
6600 struct bnx2x *bp = params->bp;
6601 u8 port = params->port;
6603 DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
6604 bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
6605 vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
6606 /* Indicate no mac active */
6607 vars->mac_type = MAC_TYPE_NONE;
6609 /* Update shared memory */
6610 vars->link_status &= ~LINK_UPDATE_MASK;
6611 vars->line_speed = 0;
6612 bnx2x_update_mng(params, vars->link_status);
6614 /* Activate nig drain */
6615 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
6618 if (!CHIP_IS_E3(bp))
6619 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
6621 usleep_range(10000, 20000);
6622 /* Reset BigMac/Xmac */
6623 if (CHIP_IS_E1x(bp) ||
6625 bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
6627 if (CHIP_IS_E3(bp)) {
6628 /* Prevent LPI Generation by chip */
6629 REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2),
6631 REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 + (params->port << 2),
6633 vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
6634 SHMEM_EEE_ACTIVE_BIT);
6636 bnx2x_update_mng_eee(params, vars->eee_status);
6637 bnx2x_set_xmac_rxtx(params, 0);
6638 bnx2x_set_umac_rxtx(params, 0);
6644 static int bnx2x_update_link_up(struct link_params *params,
6645 struct link_vars *vars,
6648 struct bnx2x *bp = params->bp;
6649 u8 phy_idx, port = params->port;
6652 vars->link_status |= (LINK_STATUS_LINK_UP |
6653 LINK_STATUS_PHYSICAL_LINK_FLAG);
6654 vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
6656 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
6657 vars->link_status |=
6658 LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
6660 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
6661 vars->link_status |=
6662 LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
6663 if (USES_WARPCORE(bp)) {
6665 if (bnx2x_xmac_enable(params, vars, 0) ==
6667 DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
6669 vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
6670 vars->link_status &= ~LINK_STATUS_LINK_UP;
6673 bnx2x_umac_enable(params, vars, 0);
6674 bnx2x_set_led(params, vars,
6675 LED_MODE_OPER, vars->line_speed);
6677 if ((vars->eee_status & SHMEM_EEE_ACTIVE_BIT) &&
6678 (vars->eee_status & SHMEM_EEE_LPI_REQUESTED_BIT)) {
6679 DP(NETIF_MSG_LINK, "Enabling LPI assertion\n");
6680 REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 +
6681 (params->port << 2), 1);
6682 REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 1);
6683 REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 +
6684 (params->port << 2), 0xfc20);
6687 if ((CHIP_IS_E1x(bp) ||
6690 if (bnx2x_bmac_enable(params, vars, 0, 1) ==
6692 DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
6694 vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
6695 vars->link_status &= ~LINK_STATUS_LINK_UP;
6698 bnx2x_set_led(params, vars,
6699 LED_MODE_OPER, SPEED_10000);
6701 rc = bnx2x_emac_program(params, vars);
6702 bnx2x_emac_enable(params, vars, 0);
6705 if ((vars->link_status &
6706 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
6707 && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
6708 SINGLE_MEDIA_DIRECT(params))
6709 bnx2x_set_gmii_tx_driver(params);
6714 if (CHIP_IS_E1x(bp))
6715 rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
6719 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
6721 /* Update shared memory */
6722 bnx2x_update_mng(params, vars->link_status);
6723 bnx2x_update_mng_eee(params, vars->eee_status);
6724 /* Check remote fault */
6725 for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
6726 if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
6727 bnx2x_check_half_open_conn(params, vars, 0);
6734 /* The bnx2x_link_update function should be called upon link
6736 * Link is considered up as follows:
6737 * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
6739 * - SINGLE_MEDIA - The link between the 577xx and the external
6740 * phy (XGXS) need to up as well as the external link of the
6742 * - DUAL_MEDIA - The link between the 577xx and the first
6743 * external phy needs to be up, and at least one of the 2
6744 * external phy link must be up.
6746 int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
6748 struct bnx2x *bp = params->bp;
6749 struct link_vars phy_vars[MAX_PHYS];
6750 u8 port = params->port;
6751 u8 link_10g_plus, phy_index;
6752 u8 ext_phy_link_up = 0, cur_link_up;
6755 u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
6756 u8 active_external_phy = INT_PHY;
6757 vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
6758 vars->link_status &= ~LINK_UPDATE_MASK;
6759 for (phy_index = INT_PHY; phy_index < params->num_phys;
6761 phy_vars[phy_index].flow_ctrl = 0;
6762 phy_vars[phy_index].link_status = 0;
6763 phy_vars[phy_index].line_speed = 0;
6764 phy_vars[phy_index].duplex = DUPLEX_FULL;
6765 phy_vars[phy_index].phy_link_up = 0;
6766 phy_vars[phy_index].link_up = 0;
6767 phy_vars[phy_index].fault_detected = 0;
6768 /* different consideration, since vars holds inner state */
6769 phy_vars[phy_index].eee_status = vars->eee_status;
6772 if (USES_WARPCORE(bp))
6773 bnx2x_set_aer_mmd(params, ¶ms->phy[INT_PHY]);
6775 DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
6776 port, (vars->phy_flags & PHY_XGXS_FLAG),
6777 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
6779 is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
6781 DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
6782 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
6784 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
6786 DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
6787 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
6788 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
6791 if (!CHIP_IS_E3(bp))
6792 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
6795 * Check external link change only for external phys, and apply
6796 * priority selection between them in case the link on both phys
6797 * is up. Note that instead of the common vars, a temporary
6798 * vars argument is used since each phy may have different link/
6799 * speed/duplex result
6801 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6803 struct bnx2x_phy *phy = ¶ms->phy[phy_index];
6804 if (!phy->read_status)
6806 /* Read link status and params of this ext phy */
6807 cur_link_up = phy->read_status(phy, params,
6808 &phy_vars[phy_index]);
6810 DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
6813 DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
6818 if (!ext_phy_link_up) {
6819 ext_phy_link_up = 1;
6820 active_external_phy = phy_index;
6822 switch (bnx2x_phy_selection(params)) {
6823 case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
6824 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
6825 /* In this option, the first PHY makes sure to pass the
6826 * traffic through itself only.
6827 * Its not clear how to reset the link on the second phy
6829 active_external_phy = EXT_PHY1;
6831 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
6832 /* In this option, the first PHY makes sure to pass the
6833 * traffic through the second PHY.
6835 active_external_phy = EXT_PHY2;
6838 /* Link indication on both PHYs with the following cases
6840 * - FIRST_PHY means that second phy wasn't initialized,
6841 * hence its link is expected to be down
6842 * - SECOND_PHY means that first phy should not be able
6843 * to link up by itself (using configuration)
6844 * - DEFAULT should be overriden during initialiazation
6846 DP(NETIF_MSG_LINK, "Invalid link indication"
6847 "mpc=0x%x. DISABLING LINK !!!\n",
6848 params->multi_phy_config);
6849 ext_phy_link_up = 0;
6854 prev_line_speed = vars->line_speed;
6856 * Read the status of the internal phy. In case of
6857 * DIRECT_SINGLE_MEDIA board, this link is the external link,
6858 * otherwise this is the link between the 577xx and the first
6861 if (params->phy[INT_PHY].read_status)
6862 params->phy[INT_PHY].read_status(
6863 ¶ms->phy[INT_PHY],
6865 /* The INT_PHY flow control reside in the vars. This include the
6866 * case where the speed or flow control are not set to AUTO.
6867 * Otherwise, the active external phy flow control result is set
6868 * to the vars. The ext_phy_line_speed is needed to check if the
6869 * speed is different between the internal phy and external phy.
6870 * This case may be result of intermediate link speed change.
6872 if (active_external_phy > INT_PHY) {
6873 vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
6874 /* Link speed is taken from the XGXS. AN and FC result from
6877 vars->link_status |= phy_vars[active_external_phy].link_status;
6879 /* if active_external_phy is first PHY and link is up - disable
6880 * disable TX on second external PHY
6882 if (active_external_phy == EXT_PHY1) {
6883 if (params->phy[EXT_PHY2].phy_specific_func) {
6885 "Disabling TX on EXT_PHY2\n");
6886 params->phy[EXT_PHY2].phy_specific_func(
6887 ¶ms->phy[EXT_PHY2],
6888 params, DISABLE_TX);
6892 ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
6893 vars->duplex = phy_vars[active_external_phy].duplex;
6894 if (params->phy[active_external_phy].supported &
6896 vars->link_status |= LINK_STATUS_SERDES_LINK;
6898 vars->link_status &= ~LINK_STATUS_SERDES_LINK;
6900 vars->eee_status = phy_vars[active_external_phy].eee_status;
6902 DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
6903 active_external_phy);
6906 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6908 if (params->phy[phy_index].flags &
6909 FLAGS_REARM_LATCH_SIGNAL) {
6910 bnx2x_rearm_latch_signal(bp, port,
6912 active_external_phy);
6916 DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
6917 " ext_phy_line_speed = %d\n", vars->flow_ctrl,
6918 vars->link_status, ext_phy_line_speed);
6919 /* Upon link speed change set the NIG into drain mode. Comes to
6920 * deals with possible FIFO glitch due to clk change when speed
6921 * is decreased without link down indicator
6924 if (vars->phy_link_up) {
6925 if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
6926 (ext_phy_line_speed != vars->line_speed)) {
6927 DP(NETIF_MSG_LINK, "Internal link speed %d is"
6928 " different than the external"
6929 " link speed %d\n", vars->line_speed,
6930 ext_phy_line_speed);
6931 vars->phy_link_up = 0;
6932 } else if (prev_line_speed != vars->line_speed) {
6933 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
6935 usleep_range(1000, 2000);
6939 /* Anything 10 and over uses the bmac */
6940 link_10g_plus = (vars->line_speed >= SPEED_10000);
6942 bnx2x_link_int_ack(params, vars, link_10g_plus);
6944 /* In case external phy link is up, and internal link is down
6945 * (not initialized yet probably after link initialization, it
6946 * needs to be initialized.
6947 * Note that after link down-up as result of cable plug, the xgxs
6948 * link would probably become up again without the need
6951 if (!(SINGLE_MEDIA_DIRECT(params))) {
6952 DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
6953 " init_preceding = %d\n", ext_phy_link_up,
6955 params->phy[EXT_PHY1].flags &
6956 FLAGS_INIT_XGXS_FIRST);
6957 if (!(params->phy[EXT_PHY1].flags &
6958 FLAGS_INIT_XGXS_FIRST)
6959 && ext_phy_link_up && !vars->phy_link_up) {
6960 vars->line_speed = ext_phy_line_speed;
6961 if (vars->line_speed < SPEED_1000)
6962 vars->phy_flags |= PHY_SGMII_FLAG;
6964 vars->phy_flags &= ~PHY_SGMII_FLAG;
6966 if (params->phy[INT_PHY].config_init)
6967 params->phy[INT_PHY].config_init(
6968 ¶ms->phy[INT_PHY], params,
6972 /* Link is up only if both local phy and external phy (in case of
6973 * non-direct board) are up and no fault detected on active PHY.
6975 vars->link_up = (vars->phy_link_up &&
6977 SINGLE_MEDIA_DIRECT(params)) &&
6978 (phy_vars[active_external_phy].fault_detected == 0));
6980 /* Update the PFC configuration in case it was changed */
6981 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
6982 vars->link_status |= LINK_STATUS_PFC_ENABLED;
6984 vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
6987 rc = bnx2x_update_link_up(params, vars, link_10g_plus);
6989 rc = bnx2x_update_link_down(params, vars);
6991 /* Update MCP link status was changed */
6992 if (params->feature_config_flags & FEATURE_CONFIG_BC_SUPPORTS_AFEX)
6993 bnx2x_fw_command(bp, DRV_MSG_CODE_LINK_STATUS_CHANGED, 0);
6998 /*****************************************************************************/
6999 /* External Phy section */
7000 /*****************************************************************************/
7001 void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
7003 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
7004 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
7005 usleep_range(1000, 2000);
7006 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
7007 MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
7010 static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
7011 u32 spirom_ver, u32 ver_addr)
7013 DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
7014 (u16)(spirom_ver>>16), (u16)spirom_ver, port);
7017 REG_WR(bp, ver_addr, spirom_ver);
7020 static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
7021 struct bnx2x_phy *phy,
7024 u16 fw_ver1, fw_ver2;
7026 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
7027 MDIO_PMA_REG_ROM_VER1, &fw_ver1);
7028 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
7029 MDIO_PMA_REG_ROM_VER2, &fw_ver2);
7030 bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
7034 static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
7035 struct bnx2x_phy *phy,
7036 struct link_vars *vars)
7039 bnx2x_cl45_read(bp, phy,
7041 MDIO_AN_REG_STATUS, &val);
7042 bnx2x_cl45_read(bp, phy,
7044 MDIO_AN_REG_STATUS, &val);
7046 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
7047 if ((val & (1<<0)) == 0)
7048 vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
7051 /******************************************************************/
7052 /* common BCM8073/BCM8727 PHY SECTION */
7053 /******************************************************************/
7054 static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
7055 struct link_params *params,
7056 struct link_vars *vars)
7058 struct bnx2x *bp = params->bp;
7059 if (phy->req_line_speed == SPEED_10 ||
7060 phy->req_line_speed == SPEED_100) {
7061 vars->flow_ctrl = phy->req_flow_ctrl;
7065 if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
7066 (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
7068 u16 ld_pause; /* local */
7069 u16 lp_pause; /* link partner */
7070 bnx2x_cl45_read(bp, phy,
7072 MDIO_AN_REG_CL37_FC_LD, &ld_pause);
7074 bnx2x_cl45_read(bp, phy,
7076 MDIO_AN_REG_CL37_FC_LP, &lp_pause);
7077 pause_result = (ld_pause &
7078 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
7079 pause_result |= (lp_pause &
7080 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
7082 bnx2x_pause_resolve(vars, pause_result);
7083 DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
7087 static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
7088 struct bnx2x_phy *phy,
7092 u16 fw_ver1, fw_msgout;
7095 /* Boot port from external ROM */
7097 bnx2x_cl45_write(bp, phy,
7099 MDIO_PMA_REG_GEN_CTRL,
7102 /* Ucode reboot and rst */
7103 bnx2x_cl45_write(bp, phy,
7105 MDIO_PMA_REG_GEN_CTRL,
7108 bnx2x_cl45_write(bp, phy,
7110 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
7112 /* Reset internal microprocessor */
7113 bnx2x_cl45_write(bp, phy,
7115 MDIO_PMA_REG_GEN_CTRL,
7116 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
7118 /* Release srst bit */
7119 bnx2x_cl45_write(bp, phy,
7121 MDIO_PMA_REG_GEN_CTRL,
7122 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
7124 /* Delay 100ms per the PHY specifications */
7127 /* 8073 sometimes taking longer to download */
7132 "bnx2x_8073_8727_external_rom_boot port %x:"
7133 "Download failed. fw version = 0x%x\n",
7139 bnx2x_cl45_read(bp, phy,
7141 MDIO_PMA_REG_ROM_VER1, &fw_ver1);
7142 bnx2x_cl45_read(bp, phy,
7144 MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
7146 usleep_range(1000, 2000);
7147 } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
7148 ((fw_msgout & 0xff) != 0x03 && (phy->type ==
7149 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
7151 /* Clear ser_boot_ctl bit */
7152 bnx2x_cl45_write(bp, phy,
7154 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
7155 bnx2x_save_bcm_spirom_ver(bp, phy, port);
7158 "bnx2x_8073_8727_external_rom_boot port %x:"
7159 "Download complete. fw version = 0x%x\n",
7165 /******************************************************************/
7166 /* BCM8073 PHY SECTION */
7167 /******************************************************************/
7168 static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
7170 /* This is only required for 8073A1, version 102 only */
7173 /* Read 8073 HW revision*/
7174 bnx2x_cl45_read(bp, phy,
7176 MDIO_PMA_REG_8073_CHIP_REV, &val);
7179 /* No need to workaround in 8073 A1 */
7183 bnx2x_cl45_read(bp, phy,
7185 MDIO_PMA_REG_ROM_VER2, &val);
7187 /* SNR should be applied only for version 0x102 */
7194 static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
7196 u16 val, cnt, cnt1 ;
7198 bnx2x_cl45_read(bp, phy,
7200 MDIO_PMA_REG_8073_CHIP_REV, &val);
7203 /* No need to workaround in 8073 A1 */
7206 /* XAUI workaround in 8073 A0: */
7208 /* After loading the boot ROM and restarting Autoneg, poll
7212 for (cnt = 0; cnt < 1000; cnt++) {
7213 bnx2x_cl45_read(bp, phy,
7215 MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
7217 /* If bit [14] = 0 or bit [13] = 0, continue on with
7218 * system initialization (XAUI work-around not required, as
7219 * these bits indicate 2.5G or 1G link up).
7221 if (!(val & (1<<14)) || !(val & (1<<13))) {
7222 DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
7224 } else if (!(val & (1<<15))) {
7225 DP(NETIF_MSG_LINK, "bit 15 went off\n");
7226 /* If bit 15 is 0, then poll Dev1, Reg $C841 until it's
7227 * MSB (bit15) goes to 1 (indicating that the XAUI
7228 * workaround has completed), then continue on with
7229 * system initialization.
7231 for (cnt1 = 0; cnt1 < 1000; cnt1++) {
7232 bnx2x_cl45_read(bp, phy,
7234 MDIO_PMA_REG_8073_XAUI_WA, &val);
7235 if (val & (1<<15)) {
7237 "XAUI workaround has completed\n");
7240 usleep_range(3000, 6000);
7244 usleep_range(3000, 6000);
7246 DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
7250 static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
7252 /* Force KR or KX */
7253 bnx2x_cl45_write(bp, phy,
7254 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
7255 bnx2x_cl45_write(bp, phy,
7256 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
7257 bnx2x_cl45_write(bp, phy,
7258 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
7259 bnx2x_cl45_write(bp, phy,
7260 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
7263 static void bnx2x_8073_set_pause_cl37(struct link_params *params,
7264 struct bnx2x_phy *phy,
7265 struct link_vars *vars)
7268 struct bnx2x *bp = params->bp;
7269 bnx2x_cl45_read(bp, phy,
7270 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
7272 cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
7273 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
7274 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
7275 if ((vars->ieee_fc &
7276 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
7277 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
7278 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
7280 if ((vars->ieee_fc &
7281 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
7282 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
7283 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
7285 if ((vars->ieee_fc &
7286 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
7287 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
7288 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
7291 "Ext phy AN advertize cl37 0x%x\n", cl37_val);
7293 bnx2x_cl45_write(bp, phy,
7294 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
7298 static void bnx2x_8073_specific_func(struct bnx2x_phy *phy,
7299 struct link_params *params,
7302 struct bnx2x *bp = params->bp;
7306 bnx2x_cl45_write(bp, phy,
7307 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
7308 bnx2x_cl45_write(bp, phy,
7309 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004);
7314 static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
7315 struct link_params *params,
7316 struct link_vars *vars)
7318 struct bnx2x *bp = params->bp;
7321 DP(NETIF_MSG_LINK, "Init 8073\n");
7324 gpio_port = BP_PATH(bp);
7326 gpio_port = params->port;
7327 /* Restore normal power mode*/
7328 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
7329 MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
7331 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
7332 MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
7334 bnx2x_8073_specific_func(phy, params, PHY_INIT);
7335 bnx2x_8073_set_pause_cl37(params, phy, vars);
7337 bnx2x_cl45_read(bp, phy,
7338 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
7340 bnx2x_cl45_read(bp, phy,
7341 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
7343 DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
7345 /* Swap polarity if required - Must be done only in non-1G mode */
7346 if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
7347 /* Configure the 8073 to swap _P and _N of the KR lines */
7348 DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
7349 /* 10G Rx/Tx and 1G Tx signal polarity swap */
7350 bnx2x_cl45_read(bp, phy,
7352 MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
7353 bnx2x_cl45_write(bp, phy,
7355 MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
7360 /* Enable CL37 BAM */
7361 if (REG_RD(bp, params->shmem_base +
7362 offsetof(struct shmem_region, dev_info.
7363 port_hw_config[params->port].default_cfg)) &
7364 PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
7366 bnx2x_cl45_read(bp, phy,
7368 MDIO_AN_REG_8073_BAM, &val);
7369 bnx2x_cl45_write(bp, phy,
7371 MDIO_AN_REG_8073_BAM, val | 1);
7372 DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
7374 if (params->loopback_mode == LOOPBACK_EXT) {
7375 bnx2x_807x_force_10G(bp, phy);
7376 DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
7379 bnx2x_cl45_write(bp, phy,
7380 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
7382 if (phy->req_line_speed != SPEED_AUTO_NEG) {
7383 if (phy->req_line_speed == SPEED_10000) {
7385 } else if (phy->req_line_speed == SPEED_2500) {
7387 /* Note that 2.5G works only when used with 1G
7394 if (phy->speed_cap_mask &
7395 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
7398 /* Note that 2.5G works only when used with 1G advertisement */
7399 if (phy->speed_cap_mask &
7400 (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
7401 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
7403 DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
7406 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
7407 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
7409 if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
7410 (phy->req_line_speed == SPEED_AUTO_NEG)) ||
7411 (phy->req_line_speed == SPEED_2500)) {
7413 /* Allow 2.5G for A1 and above */
7414 bnx2x_cl45_read(bp, phy,
7415 MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
7417 DP(NETIF_MSG_LINK, "Add 2.5G\n");
7423 DP(NETIF_MSG_LINK, "Disable 2.5G\n");
7427 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
7428 /* Add support for CL37 (passive mode) II */
7430 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
7431 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
7432 (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
7435 /* Add support for CL37 (passive mode) III */
7436 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
7438 /* The SNR will improve about 2db by changing BW and FEE main
7439 * tap. Rest commands are executed after link is up
7440 * Change FFE main cursor to 5 in EDC register
7442 if (bnx2x_8073_is_snr_needed(bp, phy))
7443 bnx2x_cl45_write(bp, phy,
7444 MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
7447 /* Enable FEC (Forware Error Correction) Request in the AN */
7448 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
7450 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
7452 bnx2x_ext_phy_set_pause(params, phy, vars);
7454 /* Restart autoneg */
7456 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
7457 DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
7458 ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
7462 static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
7463 struct link_params *params,
7464 struct link_vars *vars)
7466 struct bnx2x *bp = params->bp;
7469 u16 link_status = 0;
7470 u16 an1000_status = 0;
7472 bnx2x_cl45_read(bp, phy,
7473 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
7475 DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
7477 /* Clear the interrupt LASI status register */
7478 bnx2x_cl45_read(bp, phy,
7479 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
7480 bnx2x_cl45_read(bp, phy,
7481 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
7482 DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
7484 bnx2x_cl45_read(bp, phy,
7485 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
7487 /* Check the LASI */
7488 bnx2x_cl45_read(bp, phy,
7489 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
7491 DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
7493 /* Check the link status */
7494 bnx2x_cl45_read(bp, phy,
7495 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
7496 DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
7498 bnx2x_cl45_read(bp, phy,
7499 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
7500 bnx2x_cl45_read(bp, phy,
7501 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
7502 link_up = ((val1 & 4) == 4);
7503 DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
7506 ((phy->req_line_speed != SPEED_10000))) {
7507 if (bnx2x_8073_xaui_wa(bp, phy) != 0)
7510 bnx2x_cl45_read(bp, phy,
7511 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
7512 bnx2x_cl45_read(bp, phy,
7513 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
7515 /* Check the link status on 1.1.2 */
7516 bnx2x_cl45_read(bp, phy,
7517 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
7518 bnx2x_cl45_read(bp, phy,
7519 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
7520 DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
7521 "an_link_status=0x%x\n", val2, val1, an1000_status);
7523 link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
7524 if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
7525 /* The SNR will improve about 2dbby changing the BW and FEE main
7526 * tap. The 1st write to change FFE main tap is set before
7527 * restart AN. Change PLL Bandwidth in EDC register
7529 bnx2x_cl45_write(bp, phy,
7530 MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
7533 /* Change CDR Bandwidth in EDC register */
7534 bnx2x_cl45_write(bp, phy,
7535 MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
7538 bnx2x_cl45_read(bp, phy,
7539 MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
7542 /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
7543 if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
7545 vars->line_speed = SPEED_10000;
7546 DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
7548 } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
7550 vars->line_speed = SPEED_2500;
7551 DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
7553 } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
7555 vars->line_speed = SPEED_1000;
7556 DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
7560 DP(NETIF_MSG_LINK, "port %x: External link is down\n",
7565 /* Swap polarity if required */
7566 if (params->lane_config &
7567 PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
7568 /* Configure the 8073 to swap P and N of the KR lines */
7569 bnx2x_cl45_read(bp, phy,
7571 MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
7572 /* Set bit 3 to invert Rx in 1G mode and clear this bit
7573 * when it`s in 10G mode.
7575 if (vars->line_speed == SPEED_1000) {
7576 DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
7582 bnx2x_cl45_write(bp, phy,
7584 MDIO_XS_REG_8073_RX_CTRL_PCIE,
7587 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
7588 bnx2x_8073_resolve_fc(phy, params, vars);
7589 vars->duplex = DUPLEX_FULL;
7592 if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
7593 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
7594 MDIO_AN_REG_LP_AUTO_NEG2, &val1);
7597 vars->link_status |=
7598 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
7600 vars->link_status |=
7601 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
7607 static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
7608 struct link_params *params)
7610 struct bnx2x *bp = params->bp;
7613 gpio_port = BP_PATH(bp);
7615 gpio_port = params->port;
7616 DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
7618 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
7619 MISC_REGISTERS_GPIO_OUTPUT_LOW,
7623 /******************************************************************/
7624 /* BCM8705 PHY SECTION */
7625 /******************************************************************/
7626 static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
7627 struct link_params *params,
7628 struct link_vars *vars)
7630 struct bnx2x *bp = params->bp;
7631 DP(NETIF_MSG_LINK, "init 8705\n");
7632 /* Restore normal power mode*/
7633 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
7634 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
7636 bnx2x_ext_phy_hw_reset(bp, params->port);
7637 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
7638 bnx2x_wait_reset_complete(bp, phy, params);
7640 bnx2x_cl45_write(bp, phy,
7641 MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
7642 bnx2x_cl45_write(bp, phy,
7643 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
7644 bnx2x_cl45_write(bp, phy,
7645 MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
7646 bnx2x_cl45_write(bp, phy,
7647 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
7648 /* BCM8705 doesn't have microcode, hence the 0 */
7649 bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
7653 static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
7654 struct link_params *params,
7655 struct link_vars *vars)
7659 struct bnx2x *bp = params->bp;
7660 DP(NETIF_MSG_LINK, "read status 8705\n");
7661 bnx2x_cl45_read(bp, phy,
7662 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
7663 DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
7665 bnx2x_cl45_read(bp, phy,
7666 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
7667 DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
7669 bnx2x_cl45_read(bp, phy,
7670 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
7672 bnx2x_cl45_read(bp, phy,
7673 MDIO_PMA_DEVAD, 0xc809, &val1);
7674 bnx2x_cl45_read(bp, phy,
7675 MDIO_PMA_DEVAD, 0xc809, &val1);
7677 DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
7678 link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
7680 vars->line_speed = SPEED_10000;
7681 bnx2x_ext_phy_resolve_fc(phy, params, vars);
7686 /******************************************************************/
7687 /* SFP+ module Section */
7688 /******************************************************************/
7689 static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
7690 struct bnx2x_phy *phy,
7693 struct bnx2x *bp = params->bp;
7694 /* Disable transmitter only for bootcodes which can enable it afterwards
7698 if (params->feature_config_flags &
7699 FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
7700 DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
7702 DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
7706 DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
7707 bnx2x_cl45_write(bp, phy,
7709 MDIO_PMA_REG_TX_DISABLE, pmd_dis);
7712 static u8 bnx2x_get_gpio_port(struct link_params *params)
7715 u32 swap_val, swap_override;
7716 struct bnx2x *bp = params->bp;
7718 gpio_port = BP_PATH(bp);
7720 gpio_port = params->port;
7721 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
7722 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
7723 return gpio_port ^ (swap_val && swap_override);
7726 static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
7727 struct bnx2x_phy *phy,
7731 u8 port = params->port;
7732 struct bnx2x *bp = params->bp;
7735 /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
7736 tx_en_mode = REG_RD(bp, params->shmem_base +
7737 offsetof(struct shmem_region,
7738 dev_info.port_hw_config[port].sfp_ctrl)) &
7739 PORT_HW_CFG_TX_LASER_MASK;
7740 DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
7741 "mode = %x\n", tx_en, port, tx_en_mode);
7742 switch (tx_en_mode) {
7743 case PORT_HW_CFG_TX_LASER_MDIO:
7745 bnx2x_cl45_read(bp, phy,
7747 MDIO_PMA_REG_PHY_IDENTIFIER,
7755 bnx2x_cl45_write(bp, phy,
7757 MDIO_PMA_REG_PHY_IDENTIFIER,
7760 case PORT_HW_CFG_TX_LASER_GPIO0:
7761 case PORT_HW_CFG_TX_LASER_GPIO1:
7762 case PORT_HW_CFG_TX_LASER_GPIO2:
7763 case PORT_HW_CFG_TX_LASER_GPIO3:
7766 u8 gpio_port, gpio_mode;
7768 gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
7770 gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
7772 gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
7773 gpio_port = bnx2x_get_gpio_port(params);
7774 bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
7778 DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
7783 static void bnx2x_sfp_set_transmitter(struct link_params *params,
7784 struct bnx2x_phy *phy,
7787 struct bnx2x *bp = params->bp;
7788 DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
7790 bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
7792 bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
7795 static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7796 struct link_params *params,
7797 u8 dev_addr, u16 addr, u8 byte_cnt,
7798 u8 *o_buf, u8 is_init)
7800 struct bnx2x *bp = params->bp;
7803 if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
7805 "Reading from eeprom is limited to 0xf\n");
7808 /* Set the read command byte count */
7809 bnx2x_cl45_write(bp, phy,
7810 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
7811 (byte_cnt | (dev_addr << 8)));
7813 /* Set the read command address */
7814 bnx2x_cl45_write(bp, phy,
7815 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
7818 /* Activate read command */
7819 bnx2x_cl45_write(bp, phy,
7820 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
7823 /* Wait up to 500us for command complete status */
7824 for (i = 0; i < 100; i++) {
7825 bnx2x_cl45_read(bp, phy,
7827 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
7828 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7829 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
7834 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
7835 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
7837 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
7838 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
7842 /* Read the buffer */
7843 for (i = 0; i < byte_cnt; i++) {
7844 bnx2x_cl45_read(bp, phy,
7846 MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
7847 o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
7850 for (i = 0; i < 100; i++) {
7851 bnx2x_cl45_read(bp, phy,
7853 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
7854 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7855 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
7857 usleep_range(1000, 2000);
7862 static void bnx2x_warpcore_power_module(struct link_params *params,
7866 struct bnx2x *bp = params->bp;
7868 pin_cfg = (REG_RD(bp, params->shmem_base +
7869 offsetof(struct shmem_region,
7870 dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
7871 PORT_HW_CFG_E3_PWR_DIS_MASK) >>
7872 PORT_HW_CFG_E3_PWR_DIS_SHIFT;
7874 if (pin_cfg == PIN_CFG_NA)
7876 DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
7878 /* Low ==> corresponding SFP+ module is powered
7879 * high ==> the SFP+ module is powered down
7881 bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
7883 static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7884 struct link_params *params,
7886 u16 addr, u8 byte_cnt,
7887 u8 *o_buf, u8 is_init)
7890 u8 i, j = 0, cnt = 0;
7893 struct bnx2x *bp = params->bp;
7895 if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
7897 "Reading from eeprom is limited to 16 bytes\n");
7901 /* 4 byte aligned address */
7902 addr32 = addr & (~0x3);
7904 if ((!is_init) && (cnt == I2C_WA_PWR_ITER)) {
7905 bnx2x_warpcore_power_module(params, 0);
7906 /* Note that 100us are not enough here */
7907 usleep_range(1000, 2000);
7908 bnx2x_warpcore_power_module(params, 1);
7910 rc = bnx2x_bsc_read(params, bp, dev_addr, addr32, 0, byte_cnt,
7912 } while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
7915 for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
7916 o_buf[j] = *((u8 *)data_array + i);
7924 static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
7925 struct link_params *params,
7926 u8 dev_addr, u16 addr, u8 byte_cnt,
7927 u8 *o_buf, u8 is_init)
7929 struct bnx2x *bp = params->bp;
7932 if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
7934 "Reading from eeprom is limited to 0xf\n");
7938 /* Set 2-wire transfer rate of SFP+ module EEPROM
7939 * to 100Khz since some DACs(direct attached cables) do
7940 * not work at 400Khz.
7942 bnx2x_cl45_write(bp, phy,
7944 MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
7945 ((dev_addr << 8) | 1));
7947 /* Need to read from 1.8000 to clear it */
7948 bnx2x_cl45_read(bp, phy,
7950 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
7953 /* Set the read command byte count */
7954 bnx2x_cl45_write(bp, phy,
7956 MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
7957 ((byte_cnt < 2) ? 2 : byte_cnt));
7959 /* Set the read command address */
7960 bnx2x_cl45_write(bp, phy,
7962 MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
7964 /* Set the destination address */
7965 bnx2x_cl45_write(bp, phy,
7968 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
7970 /* Activate read command */
7971 bnx2x_cl45_write(bp, phy,
7973 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
7975 /* Wait appropriate time for two-wire command to finish before
7976 * polling the status register
7978 usleep_range(1000, 2000);
7980 /* Wait up to 500us for command complete status */
7981 for (i = 0; i < 100; i++) {
7982 bnx2x_cl45_read(bp, phy,
7984 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
7985 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
7986 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
7991 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
7992 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
7994 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
7995 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
7999 /* Read the buffer */
8000 for (i = 0; i < byte_cnt; i++) {
8001 bnx2x_cl45_read(bp, phy,
8003 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
8004 o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
8007 for (i = 0; i < 100; i++) {
8008 bnx2x_cl45_read(bp, phy,
8010 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
8011 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
8012 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
8014 usleep_range(1000, 2000);
8019 int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
8020 struct link_params *params, u8 dev_addr,
8021 u16 addr, u16 byte_cnt, u8 *o_buf)
8024 struct bnx2x *bp = params->bp;
8026 u8 *user_data = o_buf;
8027 read_sfp_module_eeprom_func_p read_func;
8029 if ((dev_addr != 0xa0) && (dev_addr != 0xa2)) {
8030 DP(NETIF_MSG_LINK, "invalid dev_addr 0x%x\n", dev_addr);
8034 switch (phy->type) {
8035 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
8036 read_func = bnx2x_8726_read_sfp_module_eeprom;
8038 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
8039 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
8040 read_func = bnx2x_8727_read_sfp_module_eeprom;
8042 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
8043 read_func = bnx2x_warpcore_read_sfp_module_eeprom;
8049 while (!rc && (byte_cnt > 0)) {
8050 xfer_size = (byte_cnt > SFP_EEPROM_PAGE_SIZE) ?
8051 SFP_EEPROM_PAGE_SIZE : byte_cnt;
8052 rc = read_func(phy, params, dev_addr, addr, xfer_size,
8054 byte_cnt -= xfer_size;
8055 user_data += xfer_size;
8061 static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
8062 struct link_params *params,
8065 struct bnx2x *bp = params->bp;
8066 u32 sync_offset = 0, phy_idx, media_types;
8067 u8 val[SFP_EEPROM_FC_TX_TECH_ADDR + 1], check_limiting_mode = 0;
8068 *edc_mode = EDC_MODE_LIMITING;
8069 phy->media_type = ETH_PHY_UNSPECIFIED;
8070 /* First check for copper cable */
8071 if (bnx2x_read_sfp_module_eeprom(phy,
8075 SFP_EEPROM_FC_TX_TECH_ADDR + 1,
8077 DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
8080 params->link_attr_sync &= ~LINK_SFP_EEPROM_COMP_CODE_MASK;
8081 params->link_attr_sync |= val[SFP_EEPROM_10G_COMP_CODE_ADDR] <<
8082 LINK_SFP_EEPROM_COMP_CODE_SHIFT;
8083 bnx2x_update_link_attr(params, params->link_attr_sync);
8084 switch (val[SFP_EEPROM_CON_TYPE_ADDR]) {
8085 case SFP_EEPROM_CON_TYPE_VAL_COPPER:
8087 u8 copper_module_type;
8088 phy->media_type = ETH_PHY_DA_TWINAX;
8089 /* Check if its active cable (includes SFP+ module)
8092 copper_module_type = val[SFP_EEPROM_FC_TX_TECH_ADDR];
8094 if (copper_module_type &
8095 SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
8096 DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
8097 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
8098 *edc_mode = EDC_MODE_ACTIVE_DAC;
8100 check_limiting_mode = 1;
8102 *edc_mode = EDC_MODE_PASSIVE_DAC;
8103 /* Even in case PASSIVE_DAC indication is not set,
8104 * treat it as a passive DAC cable, since some cables
8105 * don't have this indication.
8107 if (copper_module_type &
8108 SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
8110 "Passive Copper cable detected\n");
8113 "Unknown copper-cable-type\n");
8118 case SFP_EEPROM_CON_TYPE_VAL_UNKNOWN:
8119 case SFP_EEPROM_CON_TYPE_VAL_LC:
8120 case SFP_EEPROM_CON_TYPE_VAL_RJ45:
8121 check_limiting_mode = 1;
8122 if ((val[SFP_EEPROM_10G_COMP_CODE_ADDR] &
8123 (SFP_EEPROM_10G_COMP_CODE_SR_MASK |
8124 SFP_EEPROM_10G_COMP_CODE_LR_MASK |
8125 SFP_EEPROM_10G_COMP_CODE_LRM_MASK)) == 0) {
8126 DP(NETIF_MSG_LINK, "1G SFP module detected\n");
8127 phy->media_type = ETH_PHY_SFP_1G_FIBER;
8128 if (phy->req_line_speed != SPEED_1000) {
8129 u8 gport = params->port;
8130 phy->req_line_speed = SPEED_1000;
8131 if (!CHIP_IS_E1x(bp)) {
8132 gport = BP_PATH(bp) +
8133 (params->port << 1);
8136 "Warning: Link speed was forced to 1000Mbps. Current SFP module in port %d is not compliant with 10G Ethernet\n",
8139 if (val[SFP_EEPROM_1G_COMP_CODE_ADDR] &
8140 SFP_EEPROM_1G_COMP_CODE_BASE_T) {
8141 bnx2x_sfp_set_transmitter(params, phy, 0);
8143 bnx2x_sfp_set_transmitter(params, phy, 1);
8146 int idx, cfg_idx = 0;
8147 DP(NETIF_MSG_LINK, "10G Optic module detected\n");
8148 for (idx = INT_PHY; idx < MAX_PHYS; idx++) {
8149 if (params->phy[idx].type == phy->type) {
8150 cfg_idx = LINK_CONFIG_IDX(idx);
8154 phy->media_type = ETH_PHY_SFPP_10G_FIBER;
8155 phy->req_line_speed = params->req_line_speed[cfg_idx];
8159 DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
8160 val[SFP_EEPROM_CON_TYPE_ADDR]);
8163 sync_offset = params->shmem_base +
8164 offsetof(struct shmem_region,
8165 dev_info.port_hw_config[params->port].media_type);
8166 media_types = REG_RD(bp, sync_offset);
8167 /* Update media type for non-PMF sync */
8168 for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
8169 if (&(params->phy[phy_idx]) == phy) {
8170 media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
8171 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
8172 media_types |= ((phy->media_type &
8173 PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
8174 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
8178 REG_WR(bp, sync_offset, media_types);
8179 if (check_limiting_mode) {
8180 u8 options[SFP_EEPROM_OPTIONS_SIZE];
8181 if (bnx2x_read_sfp_module_eeprom(phy,
8184 SFP_EEPROM_OPTIONS_ADDR,
8185 SFP_EEPROM_OPTIONS_SIZE,
8188 "Failed to read Option field from module EEPROM\n");
8191 if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
8192 *edc_mode = EDC_MODE_LINEAR;
8194 *edc_mode = EDC_MODE_LIMITING;
8196 DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
8199 /* This function read the relevant field from the module (SFP+), and verify it
8200 * is compliant with this board
8202 static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
8203 struct link_params *params)
8205 struct bnx2x *bp = params->bp;
8207 u32 fw_resp, fw_cmd_param;
8208 char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
8209 char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
8210 phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
8211 val = REG_RD(bp, params->shmem_base +
8212 offsetof(struct shmem_region, dev_info.
8213 port_feature_config[params->port].config));
8214 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8215 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
8216 DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
8220 if (params->feature_config_flags &
8221 FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
8222 /* Use specific phy request */
8223 cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
8224 } else if (params->feature_config_flags &
8225 FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
8226 /* Use first phy request only in case of non-dual media*/
8227 if (DUAL_MEDIA(params)) {
8229 "FW does not support OPT MDL verification\n");
8232 cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
8234 /* No support in OPT MDL detection */
8236 "FW does not support OPT MDL verification\n");
8240 fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
8241 fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
8242 if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
8243 DP(NETIF_MSG_LINK, "Approved module\n");
8247 /* Format the warning message */
8248 if (bnx2x_read_sfp_module_eeprom(phy,
8251 SFP_EEPROM_VENDOR_NAME_ADDR,
8252 SFP_EEPROM_VENDOR_NAME_SIZE,
8254 vendor_name[0] = '\0';
8256 vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
8257 if (bnx2x_read_sfp_module_eeprom(phy,
8260 SFP_EEPROM_PART_NO_ADDR,
8261 SFP_EEPROM_PART_NO_SIZE,
8263 vendor_pn[0] = '\0';
8265 vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
8267 netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
8268 " Port %d from %s part number %s\n",
8269 params->port, vendor_name, vendor_pn);
8270 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
8271 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_WARNING_MSG)
8272 phy->flags |= FLAGS_SFP_NOT_APPROVED;
8276 static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
8277 struct link_params *params)
8282 struct bnx2x *bp = params->bp;
8284 /* Initialization time after hot-plug may take up to 300ms for
8285 * some phys type ( e.g. JDSU )
8288 for (timeout = 0; timeout < 60; timeout++) {
8289 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
8290 rc = bnx2x_warpcore_read_sfp_module_eeprom(
8291 phy, params, I2C_DEV_ADDR_A0, 1, 1, &val,
8294 rc = bnx2x_read_sfp_module_eeprom(phy, params,
8299 "SFP+ module initialization took %d ms\n",
8303 usleep_range(5000, 10000);
8305 rc = bnx2x_read_sfp_module_eeprom(phy, params, I2C_DEV_ADDR_A0,
8310 static void bnx2x_8727_power_module(struct bnx2x *bp,
8311 struct bnx2x_phy *phy,
8313 /* Make sure GPIOs are not using for LED mode */
8315 /* In the GPIO register, bit 4 is use to determine if the GPIOs are
8316 * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
8318 * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
8319 * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
8320 * where the 1st bit is the over-current(only input), and 2nd bit is
8321 * for power( only output )
8323 * In case of NOC feature is disabled and power is up, set GPIO control
8324 * as input to enable listening of over-current indication
8326 if (phy->flags & FLAGS_NOC)
8331 /* Set GPIO control to OUTPUT, and set the power bit
8332 * to according to the is_power_up
8336 bnx2x_cl45_write(bp, phy,
8338 MDIO_PMA_REG_8727_GPIO_CTRL,
8342 static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
8343 struct bnx2x_phy *phy,
8346 u16 cur_limiting_mode;
8348 bnx2x_cl45_read(bp, phy,
8350 MDIO_PMA_REG_ROM_VER2,
8351 &cur_limiting_mode);
8352 DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
8355 if (edc_mode == EDC_MODE_LIMITING) {
8356 DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
8357 bnx2x_cl45_write(bp, phy,
8359 MDIO_PMA_REG_ROM_VER2,
8361 } else { /* LRM mode ( default )*/
8363 DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
8365 /* Changing to LRM mode takes quite few seconds. So do it only
8366 * if current mode is limiting (default is LRM)
8368 if (cur_limiting_mode != EDC_MODE_LIMITING)
8371 bnx2x_cl45_write(bp, phy,
8373 MDIO_PMA_REG_LRM_MODE,
8375 bnx2x_cl45_write(bp, phy,
8377 MDIO_PMA_REG_ROM_VER2,
8379 bnx2x_cl45_write(bp, phy,
8381 MDIO_PMA_REG_MISC_CTRL0,
8383 bnx2x_cl45_write(bp, phy,
8385 MDIO_PMA_REG_LRM_MODE,
8391 static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
8392 struct bnx2x_phy *phy,
8397 bnx2x_cl45_read(bp, phy,
8399 MDIO_PMA_REG_PHY_IDENTIFIER,
8402 bnx2x_cl45_write(bp, phy,
8404 MDIO_PMA_REG_PHY_IDENTIFIER,
8405 (phy_identifier & ~(1<<9)));
8407 bnx2x_cl45_read(bp, phy,
8409 MDIO_PMA_REG_ROM_VER2,
8411 /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
8412 bnx2x_cl45_write(bp, phy,
8414 MDIO_PMA_REG_ROM_VER2,
8415 (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
8417 bnx2x_cl45_write(bp, phy,
8419 MDIO_PMA_REG_PHY_IDENTIFIER,
8420 (phy_identifier | (1<<9)));
8425 static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
8426 struct link_params *params,
8429 struct bnx2x *bp = params->bp;
8433 bnx2x_sfp_set_transmitter(params, phy, 0);
8436 if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
8437 bnx2x_sfp_set_transmitter(params, phy, 1);
8440 bnx2x_cl45_write(bp, phy,
8441 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
8443 bnx2x_cl45_write(bp, phy,
8444 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
8446 bnx2x_cl45_write(bp, phy,
8447 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0006);
8448 /* Make MOD_ABS give interrupt on change */
8449 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
8450 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
8453 if (phy->flags & FLAGS_NOC)
8455 /* Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
8456 * status which reflect SFP+ module over-current
8458 if (!(phy->flags & FLAGS_NOC))
8459 val &= 0xff8f; /* Reset bits 4-6 */
8460 bnx2x_cl45_write(bp, phy,
8461 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
8465 DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
8471 static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
8474 struct bnx2x *bp = params->bp;
8476 u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
8477 offsetof(struct shmem_region,
8478 dev_info.port_hw_config[params->port].sfp_ctrl)) &
8479 PORT_HW_CFG_FAULT_MODULE_LED_MASK;
8480 switch (fault_led_gpio) {
8481 case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
8483 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
8484 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
8485 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
8486 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
8488 u8 gpio_port = bnx2x_get_gpio_port(params);
8489 u16 gpio_pin = fault_led_gpio -
8490 PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
8491 DP(NETIF_MSG_LINK, "Set fault module-detected led "
8492 "pin %x port %x mode %x\n",
8493 gpio_pin, gpio_port, gpio_mode);
8494 bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
8498 DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
8503 static void bnx2x_set_e3_module_fault_led(struct link_params *params,
8507 u8 port = params->port;
8508 struct bnx2x *bp = params->bp;
8509 pin_cfg = (REG_RD(bp, params->shmem_base +
8510 offsetof(struct shmem_region,
8511 dev_info.port_hw_config[port].e3_sfp_ctrl)) &
8512 PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
8513 PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
8514 DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
8515 gpio_mode, pin_cfg);
8516 bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
8519 static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
8522 struct bnx2x *bp = params->bp;
8523 DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
8524 if (CHIP_IS_E3(bp)) {
8525 /* Low ==> if SFP+ module is supported otherwise
8526 * High ==> if SFP+ module is not on the approved vendor list
8528 bnx2x_set_e3_module_fault_led(params, gpio_mode);
8530 bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
8533 static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
8534 struct link_params *params)
8536 struct bnx2x *bp = params->bp;
8537 bnx2x_warpcore_power_module(params, 0);
8538 /* Put Warpcore in low power mode */
8539 REG_WR(bp, MISC_REG_WC0_RESET, 0x0c0e);
8541 /* Put LCPLL in low power mode */
8542 REG_WR(bp, MISC_REG_LCPLL_E40_PWRDWN, 1);
8543 REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_ANA, 0);
8544 REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_DIG, 0);
8547 static void bnx2x_power_sfp_module(struct link_params *params,
8548 struct bnx2x_phy *phy,
8551 struct bnx2x *bp = params->bp;
8552 DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
8554 switch (phy->type) {
8555 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
8556 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
8557 bnx2x_8727_power_module(params->bp, phy, power);
8559 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
8560 bnx2x_warpcore_power_module(params, power);
8566 static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
8567 struct bnx2x_phy *phy,
8571 u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
8572 struct bnx2x *bp = params->bp;
8574 u8 lane = bnx2x_get_warpcore_lane(phy, params);
8575 /* This is a global register which controls all lanes */
8576 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
8577 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
8578 val &= ~(0xf << (lane << 2));
8581 case EDC_MODE_LINEAR:
8582 case EDC_MODE_LIMITING:
8583 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
8585 case EDC_MODE_PASSIVE_DAC:
8586 case EDC_MODE_ACTIVE_DAC:
8587 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
8593 val |= (mode << (lane << 2));
8594 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
8595 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
8597 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
8598 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
8600 /* Restart microcode to re-read the new mode */
8601 bnx2x_warpcore_reset_lane(bp, phy, 1);
8602 bnx2x_warpcore_reset_lane(bp, phy, 0);
8606 static void bnx2x_set_limiting_mode(struct link_params *params,
8607 struct bnx2x_phy *phy,
8610 switch (phy->type) {
8611 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
8612 bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
8614 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
8615 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
8616 bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
8618 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
8619 bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
8624 static int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
8625 struct link_params *params)
8627 struct bnx2x *bp = params->bp;
8631 u32 val = REG_RD(bp, params->shmem_base +
8632 offsetof(struct shmem_region, dev_info.
8633 port_feature_config[params->port].config));
8634 /* Enabled transmitter by default */
8635 bnx2x_sfp_set_transmitter(params, phy, 1);
8636 DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
8638 /* Power up module */
8639 bnx2x_power_sfp_module(params, phy, 1);
8640 if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
8641 DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
8643 } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
8644 /* Check SFP+ module compatibility */
8645 DP(NETIF_MSG_LINK, "Module verification failed!!\n");
8647 /* Turn on fault module-detected led */
8648 bnx2x_set_sfp_module_fault_led(params,
8649 MISC_REGISTERS_GPIO_HIGH);
8651 /* Check if need to power down the SFP+ module */
8652 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8653 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
8654 DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
8655 bnx2x_power_sfp_module(params, phy, 0);
8659 /* Turn off fault module-detected led */
8660 bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
8663 /* Check and set limiting mode / LRM mode on 8726. On 8727 it
8664 * is done automatically
8666 bnx2x_set_limiting_mode(params, phy, edc_mode);
8668 /* Disable transmit for this module if the module is not approved, and
8669 * laser needs to be disabled.
8672 ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
8673 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER))
8674 bnx2x_sfp_set_transmitter(params, phy, 0);
8679 void bnx2x_handle_module_detect_int(struct link_params *params)
8681 struct bnx2x *bp = params->bp;
8682 struct bnx2x_phy *phy;
8684 u8 gpio_num, gpio_port;
8685 if (CHIP_IS_E3(bp)) {
8686 phy = ¶ms->phy[INT_PHY];
8687 /* Always enable TX laser,will be disabled in case of fault */
8688 bnx2x_sfp_set_transmitter(params, phy, 1);
8690 phy = ¶ms->phy[EXT_PHY1];
8692 if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
8693 params->port, &gpio_num, &gpio_port) ==
8695 DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
8699 /* Set valid module led off */
8700 bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
8702 /* Get current gpio val reflecting module plugged in / out*/
8703 gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
8705 /* Call the handling function in case module is detected */
8706 if (gpio_val == 0) {
8707 bnx2x_set_mdio_emac_per_phy(bp, params);
8708 bnx2x_set_aer_mmd(params, phy);
8710 bnx2x_power_sfp_module(params, phy, 1);
8711 bnx2x_set_gpio_int(bp, gpio_num,
8712 MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
8714 if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0) {
8715 bnx2x_sfp_module_detection(phy, params);
8716 if (CHIP_IS_E3(bp)) {
8718 /* In case WC is out of reset, reconfigure the
8719 * link speed while taking into account 1G
8720 * module limitation.
8722 bnx2x_cl45_read(bp, phy,
8724 MDIO_WC_REG_DIGITAL5_MISC6,
8726 if ((!rx_tx_in_reset) &&
8727 (params->link_flags &
8729 bnx2x_warpcore_reset_lane(bp, phy, 1);
8730 bnx2x_warpcore_config_sfi(phy, params);
8731 bnx2x_warpcore_reset_lane(bp, phy, 0);
8735 DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
8738 bnx2x_set_gpio_int(bp, gpio_num,
8739 MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
8741 /* Module was plugged out.
8742 * Disable transmit for this module
8744 phy->media_type = ETH_PHY_NOT_PRESENT;
8748 /******************************************************************/
8749 /* Used by 8706 and 8727 */
8750 /******************************************************************/
8751 static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
8752 struct bnx2x_phy *phy,
8753 u16 alarm_status_offset,
8754 u16 alarm_ctrl_offset)
8756 u16 alarm_status, val;
8757 bnx2x_cl45_read(bp, phy,
8758 MDIO_PMA_DEVAD, alarm_status_offset,
8760 bnx2x_cl45_read(bp, phy,
8761 MDIO_PMA_DEVAD, alarm_status_offset,
8763 /* Mask or enable the fault event. */
8764 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
8765 if (alarm_status & (1<<0))
8769 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
8771 /******************************************************************/
8772 /* common BCM8706/BCM8726 PHY SECTION */
8773 /******************************************************************/
8774 static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
8775 struct link_params *params,
8776 struct link_vars *vars)
8779 u16 val1, val2, rx_sd, pcs_status;
8780 struct bnx2x *bp = params->bp;
8781 DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
8783 bnx2x_cl45_read(bp, phy,
8784 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
8786 bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
8787 MDIO_PMA_LASI_TXCTRL);
8789 /* Clear LASI indication*/
8790 bnx2x_cl45_read(bp, phy,
8791 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
8792 bnx2x_cl45_read(bp, phy,
8793 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
8794 DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
8796 bnx2x_cl45_read(bp, phy,
8797 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
8798 bnx2x_cl45_read(bp, phy,
8799 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
8800 bnx2x_cl45_read(bp, phy,
8801 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
8802 bnx2x_cl45_read(bp, phy,
8803 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
8805 DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
8806 " link_status 0x%x\n", rx_sd, pcs_status, val2);
8807 /* Link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
8808 * are set, or if the autoneg bit 1 is set
8810 link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
8813 vars->line_speed = SPEED_1000;
8815 vars->line_speed = SPEED_10000;
8816 bnx2x_ext_phy_resolve_fc(phy, params, vars);
8817 vars->duplex = DUPLEX_FULL;
8820 /* Capture 10G link fault. Read twice to clear stale value. */
8821 if (vars->line_speed == SPEED_10000) {
8822 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
8823 MDIO_PMA_LASI_TXSTAT, &val1);
8824 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
8825 MDIO_PMA_LASI_TXSTAT, &val1);
8827 vars->fault_detected = 1;
8833 /******************************************************************/
8834 /* BCM8706 PHY SECTION */
8835 /******************************************************************/
8836 static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
8837 struct link_params *params,
8838 struct link_vars *vars)
8842 struct bnx2x *bp = params->bp;
8844 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
8845 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
8847 bnx2x_ext_phy_hw_reset(bp, params->port);
8848 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
8849 bnx2x_wait_reset_complete(bp, phy, params);
8851 /* Wait until fw is loaded */
8852 for (cnt = 0; cnt < 100; cnt++) {
8853 bnx2x_cl45_read(bp, phy,
8854 MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
8857 usleep_range(10000, 20000);
8859 DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
8860 if ((params->feature_config_flags &
8861 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
8864 for (i = 0; i < 4; i++) {
8865 reg = MDIO_XS_8706_REG_BANK_RX0 +
8866 i*(MDIO_XS_8706_REG_BANK_RX1 -
8867 MDIO_XS_8706_REG_BANK_RX0);
8868 bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
8869 /* Clear first 3 bits of the control */
8871 /* Set control bits according to configuration */
8872 val |= (phy->rx_preemphasis[i] & 0x7);
8873 DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
8874 " reg 0x%x <-- val 0x%x\n", reg, val);
8875 bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
8879 if (phy->req_line_speed == SPEED_10000) {
8880 DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
8882 bnx2x_cl45_write(bp, phy,
8884 MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
8885 bnx2x_cl45_write(bp, phy,
8886 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
8888 /* Arm LASI for link and Tx fault. */
8889 bnx2x_cl45_write(bp, phy,
8890 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
8892 /* Force 1Gbps using autoneg with 1G advertisement */
8894 /* Allow CL37 through CL73 */
8895 DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
8896 bnx2x_cl45_write(bp, phy,
8897 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
8899 /* Enable Full-Duplex advertisement on CL37 */
8900 bnx2x_cl45_write(bp, phy,
8901 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
8902 /* Enable CL37 AN */
8903 bnx2x_cl45_write(bp, phy,
8904 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
8906 bnx2x_cl45_write(bp, phy,
8907 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
8909 /* Enable clause 73 AN */
8910 bnx2x_cl45_write(bp, phy,
8911 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
8912 bnx2x_cl45_write(bp, phy,
8913 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
8915 bnx2x_cl45_write(bp, phy,
8916 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
8919 bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
8921 /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
8922 * power mode, if TX Laser is disabled
8925 tx_en_mode = REG_RD(bp, params->shmem_base +
8926 offsetof(struct shmem_region,
8927 dev_info.port_hw_config[params->port].sfp_ctrl))
8928 & PORT_HW_CFG_TX_LASER_MASK;
8930 if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
8931 DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
8932 bnx2x_cl45_read(bp, phy,
8933 MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
8935 bnx2x_cl45_write(bp, phy,
8936 MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
8942 static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
8943 struct link_params *params,
8944 struct link_vars *vars)
8946 return bnx2x_8706_8726_read_status(phy, params, vars);
8949 /******************************************************************/
8950 /* BCM8726 PHY SECTION */
8951 /******************************************************************/
8952 static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
8953 struct link_params *params)
8955 struct bnx2x *bp = params->bp;
8956 DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
8957 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
8960 static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
8961 struct link_params *params)
8963 struct bnx2x *bp = params->bp;
8964 /* Need to wait 100ms after reset */
8967 /* Micro controller re-boot */
8968 bnx2x_cl45_write(bp, phy,
8969 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
8971 /* Set soft reset */
8972 bnx2x_cl45_write(bp, phy,
8974 MDIO_PMA_REG_GEN_CTRL,
8975 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
8977 bnx2x_cl45_write(bp, phy,
8979 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
8981 bnx2x_cl45_write(bp, phy,
8983 MDIO_PMA_REG_GEN_CTRL,
8984 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
8986 /* Wait for 150ms for microcode load */
8989 /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
8990 bnx2x_cl45_write(bp, phy,
8992 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
8995 bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
8998 static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
8999 struct link_params *params,
9000 struct link_vars *vars)
9002 struct bnx2x *bp = params->bp;
9004 u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
9006 bnx2x_cl45_read(bp, phy,
9007 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
9009 if (val1 & (1<<15)) {
9010 DP(NETIF_MSG_LINK, "Tx is disabled\n");
9012 vars->line_speed = 0;
9019 static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
9020 struct link_params *params,
9021 struct link_vars *vars)
9023 struct bnx2x *bp = params->bp;
9024 DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
9026 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
9027 bnx2x_wait_reset_complete(bp, phy, params);
9029 bnx2x_8726_external_rom_boot(phy, params);
9031 /* Need to call module detected on initialization since the module
9032 * detection triggered by actual module insertion might occur before
9033 * driver is loaded, and when driver is loaded, it reset all
9034 * registers, including the transmitter
9036 bnx2x_sfp_module_detection(phy, params);
9038 if (phy->req_line_speed == SPEED_1000) {
9039 DP(NETIF_MSG_LINK, "Setting 1G force\n");
9040 bnx2x_cl45_write(bp, phy,
9041 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
9042 bnx2x_cl45_write(bp, phy,
9043 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
9044 bnx2x_cl45_write(bp, phy,
9045 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
9046 bnx2x_cl45_write(bp, phy,
9047 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
9049 } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
9050 (phy->speed_cap_mask &
9051 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
9052 ((phy->speed_cap_mask &
9053 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
9054 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
9055 DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
9056 /* Set Flow control */
9057 bnx2x_ext_phy_set_pause(params, phy, vars);
9058 bnx2x_cl45_write(bp, phy,
9059 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
9060 bnx2x_cl45_write(bp, phy,
9061 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
9062 bnx2x_cl45_write(bp, phy,
9063 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
9064 bnx2x_cl45_write(bp, phy,
9065 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
9066 bnx2x_cl45_write(bp, phy,
9067 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
9068 /* Enable RX-ALARM control to receive interrupt for 1G speed
9071 bnx2x_cl45_write(bp, phy,
9072 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
9073 bnx2x_cl45_write(bp, phy,
9074 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
9077 } else { /* Default 10G. Set only LASI control */
9078 bnx2x_cl45_write(bp, phy,
9079 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
9082 /* Set TX PreEmphasis if needed */
9083 if ((params->feature_config_flags &
9084 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
9086 "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
9087 phy->tx_preemphasis[0],
9088 phy->tx_preemphasis[1]);
9089 bnx2x_cl45_write(bp, phy,
9091 MDIO_PMA_REG_8726_TX_CTRL1,
9092 phy->tx_preemphasis[0]);
9094 bnx2x_cl45_write(bp, phy,
9096 MDIO_PMA_REG_8726_TX_CTRL2,
9097 phy->tx_preemphasis[1]);
9104 static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
9105 struct link_params *params)
9107 struct bnx2x *bp = params->bp;
9108 DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
9109 /* Set serial boot control for external load */
9110 bnx2x_cl45_write(bp, phy,
9112 MDIO_PMA_REG_GEN_CTRL, 0x0001);
9115 /******************************************************************/
9116 /* BCM8727 PHY SECTION */
9117 /******************************************************************/
9119 static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
9120 struct link_params *params, u8 mode)
9122 struct bnx2x *bp = params->bp;
9123 u16 led_mode_bitmask = 0;
9124 u16 gpio_pins_bitmask = 0;
9126 /* Only NOC flavor requires to set the LED specifically */
9127 if (!(phy->flags & FLAGS_NOC))
9130 case LED_MODE_FRONT_PANEL_OFF:
9132 led_mode_bitmask = 0;
9133 gpio_pins_bitmask = 0x03;
9136 led_mode_bitmask = 0;
9137 gpio_pins_bitmask = 0x02;
9140 led_mode_bitmask = 0x60;
9141 gpio_pins_bitmask = 0x11;
9144 bnx2x_cl45_read(bp, phy,
9146 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
9149 val |= led_mode_bitmask;
9150 bnx2x_cl45_write(bp, phy,
9152 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
9154 bnx2x_cl45_read(bp, phy,
9156 MDIO_PMA_REG_8727_GPIO_CTRL,
9159 val |= gpio_pins_bitmask;
9160 bnx2x_cl45_write(bp, phy,
9162 MDIO_PMA_REG_8727_GPIO_CTRL,
9165 static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
9166 struct link_params *params) {
9167 u32 swap_val, swap_override;
9169 /* The PHY reset is controlled by GPIO 1. Fake the port number
9170 * to cancel the swap done in set_gpio()
9172 struct bnx2x *bp = params->bp;
9173 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
9174 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
9175 port = (swap_val && swap_override) ^ 1;
9176 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
9177 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
9180 static void bnx2x_8727_config_speed(struct bnx2x_phy *phy,
9181 struct link_params *params)
9183 struct bnx2x *bp = params->bp;
9185 /* Set option 1G speed */
9186 if ((phy->req_line_speed == SPEED_1000) ||
9187 (phy->media_type == ETH_PHY_SFP_1G_FIBER)) {
9188 DP(NETIF_MSG_LINK, "Setting 1G force\n");
9189 bnx2x_cl45_write(bp, phy,
9190 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
9191 bnx2x_cl45_write(bp, phy,
9192 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
9193 bnx2x_cl45_read(bp, phy,
9194 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
9195 DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
9196 /* Power down the XAUI until link is up in case of dual-media
9199 if (DUAL_MEDIA(params)) {
9200 bnx2x_cl45_read(bp, phy,
9202 MDIO_PMA_REG_8727_PCS_GP, &val);
9204 bnx2x_cl45_write(bp, phy,
9206 MDIO_PMA_REG_8727_PCS_GP, val);
9208 } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
9209 ((phy->speed_cap_mask &
9210 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
9211 ((phy->speed_cap_mask &
9212 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
9213 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
9215 DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
9216 bnx2x_cl45_write(bp, phy,
9217 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
9218 bnx2x_cl45_write(bp, phy,
9219 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
9221 /* Since the 8727 has only single reset pin, need to set the 10G
9222 * registers although it is default
9224 bnx2x_cl45_write(bp, phy,
9225 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
9227 bnx2x_cl45_write(bp, phy,
9228 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
9229 bnx2x_cl45_write(bp, phy,
9230 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
9231 bnx2x_cl45_write(bp, phy,
9232 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
9237 static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
9238 struct link_params *params,
9239 struct link_vars *vars)
9242 u16 tmp1, mod_abs, tmp2;
9243 struct bnx2x *bp = params->bp;
9244 /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
9246 bnx2x_wait_reset_complete(bp, phy, params);
9248 DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
9250 bnx2x_8727_specific_func(phy, params, PHY_INIT);
9251 /* Initially configure MOD_ABS to interrupt when module is
9254 bnx2x_cl45_read(bp, phy,
9255 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
9256 /* Set EDC off by setting OPTXLOS signal input to low (bit 9).
9257 * When the EDC is off it locks onto a reference clock and avoids
9261 if (!(phy->flags & FLAGS_NOC))
9263 bnx2x_cl45_write(bp, phy,
9264 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
9266 /* Enable/Disable PHY transmitter output */
9267 bnx2x_set_disable_pmd_transmit(params, phy, 0);
9269 bnx2x_8727_power_module(bp, phy, 1);
9271 bnx2x_cl45_read(bp, phy,
9272 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
9274 bnx2x_cl45_read(bp, phy,
9275 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
9277 bnx2x_8727_config_speed(phy, params);
9280 /* Set TX PreEmphasis if needed */
9281 if ((params->feature_config_flags &
9282 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
9283 DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
9284 phy->tx_preemphasis[0],
9285 phy->tx_preemphasis[1]);
9286 bnx2x_cl45_write(bp, phy,
9287 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
9288 phy->tx_preemphasis[0]);
9290 bnx2x_cl45_write(bp, phy,
9291 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
9292 phy->tx_preemphasis[1]);
9295 /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
9296 * power mode, if TX Laser is disabled
9298 tx_en_mode = REG_RD(bp, params->shmem_base +
9299 offsetof(struct shmem_region,
9300 dev_info.port_hw_config[params->port].sfp_ctrl))
9301 & PORT_HW_CFG_TX_LASER_MASK;
9303 if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
9305 DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
9306 bnx2x_cl45_read(bp, phy,
9307 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
9310 bnx2x_cl45_write(bp, phy,
9311 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
9312 bnx2x_cl45_read(bp, phy,
9313 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
9315 bnx2x_cl45_write(bp, phy,
9316 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
9323 static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
9324 struct link_params *params)
9326 struct bnx2x *bp = params->bp;
9327 u16 mod_abs, rx_alarm_status;
9328 u32 val = REG_RD(bp, params->shmem_base +
9329 offsetof(struct shmem_region, dev_info.
9330 port_feature_config[params->port].
9332 bnx2x_cl45_read(bp, phy,
9334 MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
9335 if (mod_abs & (1<<8)) {
9337 /* Module is absent */
9339 "MOD_ABS indication show module is absent\n");
9340 phy->media_type = ETH_PHY_NOT_PRESENT;
9341 /* 1. Set mod_abs to detect next module
9343 * 2. Set EDC off by setting OPTXLOS signal input to low
9345 * When the EDC is off it locks onto a reference clock and
9346 * avoids becoming 'lost'.
9349 if (!(phy->flags & FLAGS_NOC))
9351 bnx2x_cl45_write(bp, phy,
9353 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
9355 /* Clear RX alarm since it stays up as long as
9356 * the mod_abs wasn't changed
9358 bnx2x_cl45_read(bp, phy,
9360 MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
9363 /* Module is present */
9365 "MOD_ABS indication show module is present\n");
9366 /* First disable transmitter, and if the module is ok, the
9367 * module_detection will enable it
9368 * 1. Set mod_abs to detect next module absent event ( bit 8)
9369 * 2. Restore the default polarity of the OPRXLOS signal and
9370 * this signal will then correctly indicate the presence or
9371 * absence of the Rx signal. (bit 9)
9374 if (!(phy->flags & FLAGS_NOC))
9376 bnx2x_cl45_write(bp, phy,
9378 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
9380 /* Clear RX alarm since it stays up as long as the mod_abs
9381 * wasn't changed. This is need to be done before calling the
9382 * module detection, otherwise it will clear* the link update
9385 bnx2x_cl45_read(bp, phy,
9387 MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
9390 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
9391 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
9392 bnx2x_sfp_set_transmitter(params, phy, 0);
9394 if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
9395 bnx2x_sfp_module_detection(phy, params);
9397 DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
9399 /* Reconfigure link speed based on module type limitations */
9400 bnx2x_8727_config_speed(phy, params);
9403 DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
9405 /* No need to check link status in case of module plugged in/out */
9408 static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
9409 struct link_params *params,
9410 struct link_vars *vars)
9413 struct bnx2x *bp = params->bp;
9414 u8 link_up = 0, oc_port = params->port;
9415 u16 link_status = 0;
9416 u16 rx_alarm_status, lasi_ctrl, val1;
9418 /* If PHY is not initialized, do not check link status */
9419 bnx2x_cl45_read(bp, phy,
9420 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
9425 /* Check the LASI on Rx */
9426 bnx2x_cl45_read(bp, phy,
9427 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
9429 vars->line_speed = 0;
9430 DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
9432 bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
9433 MDIO_PMA_LASI_TXCTRL);
9435 bnx2x_cl45_read(bp, phy,
9436 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
9438 DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
9441 bnx2x_cl45_read(bp, phy,
9442 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
9444 /* If a module is present and there is need to check
9447 if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
9448 /* Check over-current using 8727 GPIO0 input*/
9449 bnx2x_cl45_read(bp, phy,
9450 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
9453 if ((val1 & (1<<8)) == 0) {
9454 if (!CHIP_IS_E1x(bp))
9455 oc_port = BP_PATH(bp) + (params->port << 1);
9457 "8727 Power fault has been detected on port %d\n",
9459 netdev_err(bp->dev, "Error: Power fault on Port %d has "
9460 "been detected and the power to "
9461 "that SFP+ module has been removed "
9462 "to prevent failure of the card. "
9463 "Please remove the SFP+ module and "
9464 "restart the system to clear this "
9467 /* Disable all RX_ALARMs except for mod_abs */
9468 bnx2x_cl45_write(bp, phy,
9470 MDIO_PMA_LASI_RXCTRL, (1<<5));
9472 bnx2x_cl45_read(bp, phy,
9474 MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
9475 /* Wait for module_absent_event */
9477 bnx2x_cl45_write(bp, phy,
9479 MDIO_PMA_REG_PHY_IDENTIFIER, val1);
9480 /* Clear RX alarm */
9481 bnx2x_cl45_read(bp, phy,
9483 MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
9484 bnx2x_8727_power_module(params->bp, phy, 0);
9487 } /* Over current check */
9489 /* When module absent bit is set, check module */
9490 if (rx_alarm_status & (1<<5)) {
9491 bnx2x_8727_handle_mod_abs(phy, params);
9492 /* Enable all mod_abs and link detection bits */
9493 bnx2x_cl45_write(bp, phy,
9494 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
9498 if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
9499 DP(NETIF_MSG_LINK, "Enabling 8727 TX laser\n");
9500 bnx2x_sfp_set_transmitter(params, phy, 1);
9502 DP(NETIF_MSG_LINK, "Tx is disabled\n");
9506 bnx2x_cl45_read(bp, phy,
9508 MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
9510 /* Bits 0..2 --> speed detected,
9511 * Bits 13..15--> link is down
9513 if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
9515 vars->line_speed = SPEED_10000;
9516 DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
9518 } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
9520 vars->line_speed = SPEED_1000;
9521 DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
9525 DP(NETIF_MSG_LINK, "port %x: External link is down\n",
9529 /* Capture 10G link fault. */
9530 if (vars->line_speed == SPEED_10000) {
9531 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
9532 MDIO_PMA_LASI_TXSTAT, &val1);
9534 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
9535 MDIO_PMA_LASI_TXSTAT, &val1);
9537 if (val1 & (1<<0)) {
9538 vars->fault_detected = 1;
9543 bnx2x_ext_phy_resolve_fc(phy, params, vars);
9544 vars->duplex = DUPLEX_FULL;
9545 DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
9548 if ((DUAL_MEDIA(params)) &&
9549 (phy->req_line_speed == SPEED_1000)) {
9550 bnx2x_cl45_read(bp, phy,
9552 MDIO_PMA_REG_8727_PCS_GP, &val1);
9553 /* In case of dual-media board and 1G, power up the XAUI side,
9554 * otherwise power it down. For 10G it is done automatically
9560 bnx2x_cl45_write(bp, phy,
9562 MDIO_PMA_REG_8727_PCS_GP, val1);
9567 static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
9568 struct link_params *params)
9570 struct bnx2x *bp = params->bp;
9572 /* Enable/Disable PHY transmitter output */
9573 bnx2x_set_disable_pmd_transmit(params, phy, 1);
9575 /* Disable Transmitter */
9576 bnx2x_sfp_set_transmitter(params, phy, 0);
9578 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
9582 /******************************************************************/
9583 /* BCM8481/BCM84823/BCM84833 PHY SECTION */
9584 /******************************************************************/
9585 static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
9589 u16 val, fw_ver2, cnt, i;
9590 static struct bnx2x_reg_set reg_set[] = {
9591 {MDIO_PMA_DEVAD, 0xA819, 0x0014},
9592 {MDIO_PMA_DEVAD, 0xA81A, 0xc200},
9593 {MDIO_PMA_DEVAD, 0xA81B, 0x0000},
9594 {MDIO_PMA_DEVAD, 0xA81C, 0x0300},
9595 {MDIO_PMA_DEVAD, 0xA817, 0x0009}
9599 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
9600 (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
9601 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
9602 bnx2x_save_spirom_version(bp, port, fw_ver1 & 0xfff,
9605 /* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */
9606 /* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
9607 for (i = 0; i < ARRAY_SIZE(reg_set); i++)
9608 bnx2x_cl45_write(bp, phy, reg_set[i].devad,
9609 reg_set[i].reg, reg_set[i].val);
9611 for (cnt = 0; cnt < 100; cnt++) {
9612 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
9618 DP(NETIF_MSG_LINK, "Unable to read 848xx "
9619 "phy fw version(1)\n");
9620 bnx2x_save_spirom_version(bp, port, 0,
9626 /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
9627 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
9628 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
9629 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
9630 for (cnt = 0; cnt < 100; cnt++) {
9631 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
9637 DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw "
9639 bnx2x_save_spirom_version(bp, port, 0,
9644 /* lower 16 bits of the register SPI_FW_STATUS */
9645 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
9646 /* upper 16 bits of register SPI_FW_STATUS */
9647 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
9649 bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
9654 static void bnx2x_848xx_set_led(struct bnx2x *bp,
9655 struct bnx2x_phy *phy)
9658 static struct bnx2x_reg_set reg_set[] = {
9659 {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED1_MASK, 0x0080},
9660 {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED2_MASK, 0x0018},
9661 {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_MASK, 0x0006},
9662 {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_BLINK, 0x0000},
9663 {MDIO_PMA_DEVAD, MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH,
9664 MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ},
9665 {MDIO_AN_DEVAD, 0xFFFB, 0xFFFD}
9667 /* PHYC_CTL_LED_CTL */
9668 bnx2x_cl45_read(bp, phy,
9670 MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
9674 bnx2x_cl45_write(bp, phy,
9676 MDIO_PMA_REG_8481_LINK_SIGNAL, val);
9678 for (i = 0; i < ARRAY_SIZE(reg_set); i++)
9679 bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
9682 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
9683 (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834))
9684 offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1;
9686 offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1;
9688 /* stretch_en for LED3*/
9689 bnx2x_cl45_read_or_write(bp, phy,
9690 MDIO_PMA_DEVAD, offset,
9691 MDIO_PMA_REG_84823_LED3_STRETCH_EN);
9694 static void bnx2x_848xx_specific_func(struct bnx2x_phy *phy,
9695 struct link_params *params,
9698 struct bnx2x *bp = params->bp;
9701 if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
9702 (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
9703 /* Save spirom version */
9704 bnx2x_save_848xx_spirom_version(phy, bp, params->port);
9706 /* This phy uses the NIG latch mechanism since link indication
9707 * arrives through its LED4 and not via its LASI signal, so we
9708 * get steady signal instead of clear on read
9710 bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
9711 1 << NIG_LATCH_BC_ENABLE_MI_INT);
9713 bnx2x_848xx_set_led(bp, phy);
9718 static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
9719 struct link_params *params,
9720 struct link_vars *vars)
9722 struct bnx2x *bp = params->bp;
9723 u16 autoneg_val, an_1000_val, an_10_100_val;
9725 bnx2x_848xx_specific_func(phy, params, PHY_INIT);
9726 bnx2x_cl45_write(bp, phy,
9727 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
9729 /* set 1000 speed advertisement */
9730 bnx2x_cl45_read(bp, phy,
9731 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
9734 bnx2x_ext_phy_set_pause(params, phy, vars);
9735 bnx2x_cl45_read(bp, phy,
9737 MDIO_AN_REG_8481_LEGACY_AN_ADV,
9739 bnx2x_cl45_read(bp, phy,
9740 MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
9742 /* Disable forced speed */
9743 autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
9744 an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
9746 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
9747 (phy->speed_cap_mask &
9748 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
9749 (phy->req_line_speed == SPEED_1000)) {
9750 an_1000_val |= (1<<8);
9751 autoneg_val |= (1<<9 | 1<<12);
9752 if (phy->req_duplex == DUPLEX_FULL)
9753 an_1000_val |= (1<<9);
9754 DP(NETIF_MSG_LINK, "Advertising 1G\n");
9756 an_1000_val &= ~((1<<8) | (1<<9));
9758 bnx2x_cl45_write(bp, phy,
9759 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
9762 /* Set 10/100 speed advertisement */
9763 if (phy->req_line_speed == SPEED_AUTO_NEG) {
9764 if (phy->speed_cap_mask &
9765 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL) {
9766 /* Enable autoneg and restart autoneg for legacy speeds
9768 autoneg_val |= (1<<9 | 1<<12);
9769 an_10_100_val |= (1<<8);
9770 DP(NETIF_MSG_LINK, "Advertising 100M-FD\n");
9773 if (phy->speed_cap_mask &
9774 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF) {
9775 /* Enable autoneg and restart autoneg for legacy speeds
9777 autoneg_val |= (1<<9 | 1<<12);
9778 an_10_100_val |= (1<<7);
9779 DP(NETIF_MSG_LINK, "Advertising 100M-HD\n");
9782 if ((phy->speed_cap_mask &
9783 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
9784 (phy->supported & SUPPORTED_10baseT_Full)) {
9785 an_10_100_val |= (1<<6);
9786 autoneg_val |= (1<<9 | 1<<12);
9787 DP(NETIF_MSG_LINK, "Advertising 10M-FD\n");
9790 if ((phy->speed_cap_mask &
9791 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF) &&
9792 (phy->supported & SUPPORTED_10baseT_Half)) {
9793 an_10_100_val |= (1<<5);
9794 autoneg_val |= (1<<9 | 1<<12);
9795 DP(NETIF_MSG_LINK, "Advertising 10M-HD\n");
9799 /* Only 10/100 are allowed to work in FORCE mode */
9800 if ((phy->req_line_speed == SPEED_100) &&
9802 (SUPPORTED_100baseT_Half |
9803 SUPPORTED_100baseT_Full))) {
9804 autoneg_val |= (1<<13);
9805 /* Enabled AUTO-MDIX when autoneg is disabled */
9806 bnx2x_cl45_write(bp, phy,
9807 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
9808 (1<<15 | 1<<9 | 7<<0));
9809 /* The PHY needs this set even for forced link. */
9810 an_10_100_val |= (1<<8) | (1<<7);
9811 DP(NETIF_MSG_LINK, "Setting 100M force\n");
9813 if ((phy->req_line_speed == SPEED_10) &&
9815 (SUPPORTED_10baseT_Half |
9816 SUPPORTED_10baseT_Full))) {
9817 /* Enabled AUTO-MDIX when autoneg is disabled */
9818 bnx2x_cl45_write(bp, phy,
9819 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
9820 (1<<15 | 1<<9 | 7<<0));
9821 DP(NETIF_MSG_LINK, "Setting 10M force\n");
9824 bnx2x_cl45_write(bp, phy,
9825 MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
9828 if (phy->req_duplex == DUPLEX_FULL)
9829 autoneg_val |= (1<<8);
9831 /* Always write this if this is not 84833/4.
9832 * For 84833/4, write it only when it's a forced speed.
9834 if (((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
9835 (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) ||
9836 ((autoneg_val & (1<<12)) == 0))
9837 bnx2x_cl45_write(bp, phy,
9839 MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
9841 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
9842 (phy->speed_cap_mask &
9843 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
9844 (phy->req_line_speed == SPEED_10000)) {
9845 DP(NETIF_MSG_LINK, "Advertising 10G\n");
9846 /* Restart autoneg for 10G*/
9848 bnx2x_cl45_read_or_write(
9851 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
9853 bnx2x_cl45_write(bp, phy,
9854 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
9857 bnx2x_cl45_write(bp, phy,
9859 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
9865 static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
9866 struct link_params *params,
9867 struct link_vars *vars)
9869 struct bnx2x *bp = params->bp;
9870 /* Restore normal power mode*/
9871 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
9872 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
9875 bnx2x_ext_phy_hw_reset(bp, params->port);
9876 bnx2x_wait_reset_complete(bp, phy, params);
9878 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
9879 return bnx2x_848xx_cmn_config_init(phy, params, vars);
9882 #define PHY84833_CMDHDLR_WAIT 300
9883 #define PHY84833_CMDHDLR_MAX_ARGS 5
9884 static int bnx2x_84833_cmd_hdlr(struct bnx2x_phy *phy,
9885 struct link_params *params, u16 fw_cmd,
9886 u16 cmd_args[], int argc)
9890 struct bnx2x *bp = params->bp;
9891 /* Write CMD_OPEN_OVERRIDE to STATUS reg */
9892 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9893 MDIO_84833_CMD_HDLR_STATUS,
9894 PHY84833_STATUS_CMD_OPEN_OVERRIDE);
9895 for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
9896 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9897 MDIO_84833_CMD_HDLR_STATUS, &val);
9898 if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS)
9900 usleep_range(1000, 2000);
9902 if (idx >= PHY84833_CMDHDLR_WAIT) {
9903 DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
9907 /* Prepare argument(s) and issue command */
9908 for (idx = 0; idx < argc; idx++) {
9909 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9910 MDIO_84833_CMD_HDLR_DATA1 + idx,
9913 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9914 MDIO_84833_CMD_HDLR_COMMAND, fw_cmd);
9915 for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
9916 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9917 MDIO_84833_CMD_HDLR_STATUS, &val);
9918 if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) ||
9919 (val == PHY84833_STATUS_CMD_COMPLETE_ERROR))
9921 usleep_range(1000, 2000);
9923 if ((idx >= PHY84833_CMDHDLR_WAIT) ||
9924 (val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) {
9925 DP(NETIF_MSG_LINK, "FW cmd failed.\n");
9928 /* Gather returning data */
9929 for (idx = 0; idx < argc; idx++) {
9930 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
9931 MDIO_84833_CMD_HDLR_DATA1 + idx,
9934 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
9935 MDIO_84833_CMD_HDLR_STATUS,
9936 PHY84833_STATUS_CMD_CLEAR_COMPLETE);
9940 static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
9941 struct link_params *params,
9942 struct link_vars *vars)
9945 u16 data[PHY84833_CMDHDLR_MAX_ARGS];
9947 struct bnx2x *bp = params->bp;
9949 /* Check for configuration. */
9950 pair_swap = REG_RD(bp, params->shmem_base +
9951 offsetof(struct shmem_region,
9952 dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
9953 PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
9958 /* Only the second argument is used for this command */
9959 data[1] = (u16)pair_swap;
9961 status = bnx2x_84833_cmd_hdlr(phy, params,
9962 PHY84833_CMD_SET_PAIR_SWAP, data, PHY84833_CMDHDLR_MAX_ARGS);
9964 DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data[1]);
9969 static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
9970 u32 shmem_base_path[],
9976 if (CHIP_IS_E3(bp)) {
9977 /* Assume that these will be GPIOs, not EPIOs. */
9978 for (idx = 0; idx < 2; idx++) {
9979 /* Map config param to register bit. */
9980 reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
9981 offsetof(struct shmem_region,
9982 dev_info.port_hw_config[0].e3_cmn_pin_cfg));
9983 reset_pin[idx] = (reset_pin[idx] &
9984 PORT_HW_CFG_E3_PHY_RESET_MASK) >>
9985 PORT_HW_CFG_E3_PHY_RESET_SHIFT;
9986 reset_pin[idx] -= PIN_CFG_GPIO0_P0;
9987 reset_pin[idx] = (1 << reset_pin[idx]);
9989 reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
9991 /* E2, look from diff place of shmem. */
9992 for (idx = 0; idx < 2; idx++) {
9993 reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
9994 offsetof(struct shmem_region,
9995 dev_info.port_hw_config[0].default_cfg));
9996 reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
9997 reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
9998 reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
9999 reset_pin[idx] = (1 << reset_pin[idx]);
10001 reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
10004 return reset_gpios;
10007 static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
10008 struct link_params *params)
10010 struct bnx2x *bp = params->bp;
10012 u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
10013 offsetof(struct shmem2_region,
10014 other_shmem_base_addr));
10016 u32 shmem_base_path[2];
10018 /* Work around for 84833 LED failure inside RESET status */
10019 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
10020 MDIO_AN_REG_8481_LEGACY_MII_CTRL,
10021 MDIO_AN_REG_8481_MII_CTRL_FORCE_1G);
10022 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
10023 MDIO_AN_REG_8481_1G_100T_EXT_CTRL,
10024 MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF);
10026 shmem_base_path[0] = params->shmem_base;
10027 shmem_base_path[1] = other_shmem_base_addr;
10029 reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
10032 bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
10034 DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
10040 static int bnx2x_8483x_disable_eee(struct bnx2x_phy *phy,
10041 struct link_params *params,
10042 struct link_vars *vars)
10045 struct bnx2x *bp = params->bp;
10048 DP(NETIF_MSG_LINK, "Don't Advertise 10GBase-T EEE\n");
10050 /* Prevent Phy from working in EEE and advertising it */
10051 rc = bnx2x_84833_cmd_hdlr(phy, params,
10052 PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
10054 DP(NETIF_MSG_LINK, "EEE disable failed.\n");
10058 return bnx2x_eee_disable(phy, params, vars);
10061 static int bnx2x_8483x_enable_eee(struct bnx2x_phy *phy,
10062 struct link_params *params,
10063 struct link_vars *vars)
10066 struct bnx2x *bp = params->bp;
10069 rc = bnx2x_84833_cmd_hdlr(phy, params,
10070 PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
10072 DP(NETIF_MSG_LINK, "EEE enable failed.\n");
10076 return bnx2x_eee_advertise(phy, params, vars, SHMEM_EEE_10G_ADV);
10079 #define PHY84833_CONSTANT_LATENCY 1193
10080 static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
10081 struct link_params *params,
10082 struct link_vars *vars)
10084 struct bnx2x *bp = params->bp;
10085 u8 port, initialize = 1;
10087 u32 actual_phy_selection;
10088 u16 cmd_args[PHY84833_CMDHDLR_MAX_ARGS];
10091 usleep_range(1000, 2000);
10093 if (!(CHIP_IS_E1x(bp)))
10094 port = BP_PATH(bp);
10096 port = params->port;
10098 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
10099 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
10100 MISC_REGISTERS_GPIO_OUTPUT_HIGH,
10104 bnx2x_cl45_write(bp, phy,
10106 MDIO_PMA_REG_CTRL, 0x8000);
10109 bnx2x_wait_reset_complete(bp, phy, params);
10111 /* Wait for GPHY to come out of reset */
10113 if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
10114 (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
10115 /* BCM84823 requires that XGXS links up first @ 10G for normal
10119 temp = vars->line_speed;
10120 vars->line_speed = SPEED_10000;
10121 bnx2x_set_autoneg(¶ms->phy[INT_PHY], params, vars, 0);
10122 bnx2x_program_serdes(¶ms->phy[INT_PHY], params, vars);
10123 vars->line_speed = temp;
10126 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10127 MDIO_CTL_REG_84823_MEDIA, &val);
10128 val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
10129 MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
10130 MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
10131 MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
10132 MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
10134 if (CHIP_IS_E3(bp)) {
10135 val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
10136 MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
10138 val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
10139 MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
10142 actual_phy_selection = bnx2x_phy_selection(params);
10144 switch (actual_phy_selection) {
10145 case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
10146 /* Do nothing. Essentially this is like the priority copper */
10148 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
10149 val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
10151 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
10152 val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
10154 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
10155 /* Do nothing here. The first PHY won't be initialized at all */
10157 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
10158 val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
10162 if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
10163 val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
10165 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
10166 MDIO_CTL_REG_84823_MEDIA, val);
10167 DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
10168 params->multi_phy_config, val);
10170 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
10171 (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
10172 bnx2x_84833_pair_swap_cfg(phy, params, vars);
10174 /* Keep AutogrEEEn disabled. */
10177 cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1;
10178 cmd_args[3] = PHY84833_CONSTANT_LATENCY;
10179 rc = bnx2x_84833_cmd_hdlr(phy, params,
10180 PHY84833_CMD_SET_EEE_MODE, cmd_args,
10181 PHY84833_CMDHDLR_MAX_ARGS);
10183 DP(NETIF_MSG_LINK, "Cfg AutogrEEEn failed.\n");
10186 rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
10188 bnx2x_save_848xx_spirom_version(phy, bp, params->port);
10189 /* 84833 PHY has a better feature and doesn't need to support this. */
10190 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
10191 u32 cms_enable = REG_RD(bp, params->shmem_base +
10192 offsetof(struct shmem_region,
10193 dev_info.port_hw_config[params->port].default_cfg)) &
10194 PORT_HW_CFG_ENABLE_CMS_MASK;
10196 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10197 MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
10199 val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
10201 val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
10202 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
10203 MDIO_CTL_REG_84823_USER_CTRL_REG, val);
10206 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
10207 MDIO_84833_TOP_CFG_FW_REV, &val);
10209 /* Configure EEE support */
10210 if ((val >= MDIO_84833_TOP_CFG_FW_EEE) &&
10211 (val != MDIO_84833_TOP_CFG_FW_NO_EEE) &&
10212 bnx2x_eee_has_cap(params)) {
10213 rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_10G_ADV);
10215 DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
10216 bnx2x_8483x_disable_eee(phy, params, vars);
10220 if ((phy->req_duplex == DUPLEX_FULL) &&
10221 (params->eee_mode & EEE_MODE_ADV_LPI) &&
10222 (bnx2x_eee_calc_timer(params) ||
10223 !(params->eee_mode & EEE_MODE_ENABLE_LPI)))
10224 rc = bnx2x_8483x_enable_eee(phy, params, vars);
10226 rc = bnx2x_8483x_disable_eee(phy, params, vars);
10228 DP(NETIF_MSG_LINK, "Failed to set EEE advertisement\n");
10232 vars->eee_status &= ~SHMEM_EEE_SUPPORTED_MASK;
10235 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
10236 (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
10237 /* Bring PHY out of super isolate mode as the final step. */
10238 bnx2x_cl45_read_and_write(bp, phy,
10240 MDIO_84833_TOP_CFG_XGPHY_STRAP1,
10241 (u16)~MDIO_84833_SUPER_ISOLATE);
10246 static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
10247 struct link_params *params,
10248 struct link_vars *vars)
10250 struct bnx2x *bp = params->bp;
10251 u16 val, val1, val2;
10255 /* Check 10G-BaseT link status */
10256 /* Check PMD signal ok */
10257 bnx2x_cl45_read(bp, phy,
10258 MDIO_AN_DEVAD, 0xFFFA, &val1);
10259 bnx2x_cl45_read(bp, phy,
10260 MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
10262 DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
10264 /* Check link 10G */
10265 if (val2 & (1<<11)) {
10266 vars->line_speed = SPEED_10000;
10267 vars->duplex = DUPLEX_FULL;
10269 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
10270 } else { /* Check Legacy speed link */
10271 u16 legacy_status, legacy_speed;
10273 /* Enable expansion register 0x42 (Operation mode status) */
10274 bnx2x_cl45_write(bp, phy,
10276 MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
10278 /* Get legacy speed operation status */
10279 bnx2x_cl45_read(bp, phy,
10281 MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
10284 DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
10286 link_up = ((legacy_status & (1<<11)) == (1<<11));
10287 legacy_speed = (legacy_status & (3<<9));
10288 if (legacy_speed == (0<<9))
10289 vars->line_speed = SPEED_10;
10290 else if (legacy_speed == (1<<9))
10291 vars->line_speed = SPEED_100;
10292 else if (legacy_speed == (2<<9))
10293 vars->line_speed = SPEED_1000;
10294 else { /* Should not happen: Treat as link down */
10295 vars->line_speed = 0;
10300 if (legacy_status & (1<<8))
10301 vars->duplex = DUPLEX_FULL;
10303 vars->duplex = DUPLEX_HALF;
10306 "Link is up in %dMbps, is_duplex_full= %d\n",
10308 (vars->duplex == DUPLEX_FULL));
10309 /* Check legacy speed AN resolution */
10310 bnx2x_cl45_read(bp, phy,
10312 MDIO_AN_REG_8481_LEGACY_MII_STATUS,
10315 vars->link_status |=
10316 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
10317 bnx2x_cl45_read(bp, phy,
10319 MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
10321 if ((val & (1<<0)) == 0)
10322 vars->link_status |=
10323 LINK_STATUS_PARALLEL_DETECTION_USED;
10327 DP(NETIF_MSG_LINK, "BCM848x3: link speed is %d\n",
10329 bnx2x_ext_phy_resolve_fc(phy, params, vars);
10331 /* Read LP advertised speeds */
10332 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10333 MDIO_AN_REG_CL37_FC_LP, &val);
10335 vars->link_status |=
10336 LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
10338 vars->link_status |=
10339 LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
10341 vars->link_status |=
10342 LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
10344 vars->link_status |=
10345 LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
10347 vars->link_status |=
10348 LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
10350 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10351 MDIO_AN_REG_1000T_STATUS, &val);
10354 vars->link_status |=
10355 LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
10357 vars->link_status |=
10358 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
10360 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
10361 MDIO_AN_REG_MASTER_STATUS, &val);
10364 vars->link_status |=
10365 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
10367 /* Determine if EEE was negotiated */
10368 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
10369 (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834))
10370 bnx2x_eee_an_resolve(phy, params, vars);
10376 static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
10380 spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
10381 status = bnx2x_format_ver(spirom_ver, str, len);
10385 static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
10386 struct link_params *params)
10388 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
10389 MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
10390 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
10391 MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
10394 static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
10395 struct link_params *params)
10397 bnx2x_cl45_write(params->bp, phy,
10398 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
10399 bnx2x_cl45_write(params->bp, phy,
10400 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
10403 static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
10404 struct link_params *params)
10406 struct bnx2x *bp = params->bp;
10410 if (!(CHIP_IS_E1x(bp)))
10411 port = BP_PATH(bp);
10413 port = params->port;
10415 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
10416 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
10417 MISC_REGISTERS_GPIO_OUTPUT_LOW,
10420 bnx2x_cl45_read(bp, phy,
10422 MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16);
10423 val16 |= MDIO_84833_SUPER_ISOLATE;
10424 bnx2x_cl45_write(bp, phy,
10426 MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16);
10430 static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
10431 struct link_params *params, u8 mode)
10433 struct bnx2x *bp = params->bp;
10437 if (!(CHIP_IS_E1x(bp)))
10438 port = BP_PATH(bp);
10440 port = params->port;
10445 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
10447 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10448 SHARED_HW_CFG_LED_EXTPHY1) {
10450 /* Set LED masks */
10451 bnx2x_cl45_write(bp, phy,
10453 MDIO_PMA_REG_8481_LED1_MASK,
10456 bnx2x_cl45_write(bp, phy,
10458 MDIO_PMA_REG_8481_LED2_MASK,
10461 bnx2x_cl45_write(bp, phy,
10463 MDIO_PMA_REG_8481_LED3_MASK,
10466 bnx2x_cl45_write(bp, phy,
10468 MDIO_PMA_REG_8481_LED5_MASK,
10472 bnx2x_cl45_write(bp, phy,
10474 MDIO_PMA_REG_8481_LED1_MASK,
10478 case LED_MODE_FRONT_PANEL_OFF:
10480 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
10483 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10484 SHARED_HW_CFG_LED_EXTPHY1) {
10486 /* Set LED masks */
10487 bnx2x_cl45_write(bp, phy,
10489 MDIO_PMA_REG_8481_LED1_MASK,
10492 bnx2x_cl45_write(bp, phy,
10494 MDIO_PMA_REG_8481_LED2_MASK,
10497 bnx2x_cl45_write(bp, phy,
10499 MDIO_PMA_REG_8481_LED3_MASK,
10502 bnx2x_cl45_write(bp, phy,
10504 MDIO_PMA_REG_8481_LED5_MASK,
10508 bnx2x_cl45_write(bp, phy,
10510 MDIO_PMA_REG_8481_LED1_MASK,
10513 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
10514 /* Disable MI_INT interrupt before setting LED4
10515 * source to constant off.
10517 if (REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
10520 params->link_flags |=
10521 LINK_FLAGS_INT_DISABLED;
10525 NIG_REG_MASK_INTERRUPT_PORT0 +
10529 bnx2x_cl45_write(bp, phy,
10531 MDIO_PMA_REG_8481_SIGNAL_MASK,
10538 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
10540 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10541 SHARED_HW_CFG_LED_EXTPHY1) {
10542 /* Set control reg */
10543 bnx2x_cl45_read(bp, phy,
10545 MDIO_PMA_REG_8481_LINK_SIGNAL,
10550 bnx2x_cl45_write(bp, phy,
10552 MDIO_PMA_REG_8481_LINK_SIGNAL,
10555 /* Set LED masks */
10556 bnx2x_cl45_write(bp, phy,
10558 MDIO_PMA_REG_8481_LED1_MASK,
10561 bnx2x_cl45_write(bp, phy,
10563 MDIO_PMA_REG_8481_LED2_MASK,
10566 bnx2x_cl45_write(bp, phy,
10568 MDIO_PMA_REG_8481_LED3_MASK,
10571 bnx2x_cl45_write(bp, phy,
10573 MDIO_PMA_REG_8481_LED5_MASK,
10576 bnx2x_cl45_write(bp, phy,
10578 MDIO_PMA_REG_8481_LED1_MASK,
10581 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
10582 /* Disable MI_INT interrupt before setting LED4
10583 * source to constant on.
10585 if (REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
10588 params->link_flags |=
10589 LINK_FLAGS_INT_DISABLED;
10593 NIG_REG_MASK_INTERRUPT_PORT0 +
10597 bnx2x_cl45_write(bp, phy,
10599 MDIO_PMA_REG_8481_SIGNAL_MASK,
10605 case LED_MODE_OPER:
10607 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
10609 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
10610 SHARED_HW_CFG_LED_EXTPHY1) {
10612 /* Set control reg */
10613 bnx2x_cl45_read(bp, phy,
10615 MDIO_PMA_REG_8481_LINK_SIGNAL,
10619 MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
10620 >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
10621 DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
10622 bnx2x_cl45_write(bp, phy,
10624 MDIO_PMA_REG_8481_LINK_SIGNAL,
10628 /* Set LED masks */
10629 bnx2x_cl45_write(bp, phy,
10631 MDIO_PMA_REG_8481_LED1_MASK,
10634 bnx2x_cl45_write(bp, phy,
10636 MDIO_PMA_REG_8481_LED2_MASK,
10639 bnx2x_cl45_write(bp, phy,
10641 MDIO_PMA_REG_8481_LED3_MASK,
10644 bnx2x_cl45_write(bp, phy,
10646 MDIO_PMA_REG_8481_LED5_MASK,
10650 /* EXTPHY2 LED mode indicate that the 100M/1G/10G LED
10651 * sources are all wired through LED1, rather than only
10652 * 10G in other modes.
10654 val = ((params->hw_led_mode <<
10655 SHARED_HW_CFG_LED_MODE_SHIFT) ==
10656 SHARED_HW_CFG_LED_EXTPHY2) ? 0x98 : 0x80;
10658 bnx2x_cl45_write(bp, phy,
10660 MDIO_PMA_REG_8481_LED1_MASK,
10663 /* Tell LED3 to blink on source */
10664 bnx2x_cl45_read(bp, phy,
10666 MDIO_PMA_REG_8481_LINK_SIGNAL,
10669 val |= (1<<6); /* A83B[8:6]= 1 */
10670 bnx2x_cl45_write(bp, phy,
10672 MDIO_PMA_REG_8481_LINK_SIGNAL,
10675 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
10676 /* Restore LED4 source to external link,
10677 * and re-enable interrupts.
10679 bnx2x_cl45_write(bp, phy,
10681 MDIO_PMA_REG_8481_SIGNAL_MASK,
10683 if (params->link_flags &
10684 LINK_FLAGS_INT_DISABLED) {
10685 bnx2x_link_int_enable(params);
10686 params->link_flags &=
10687 ~LINK_FLAGS_INT_DISABLED;
10694 /* This is a workaround for E3+84833 until autoneg
10695 * restart is fixed in f/w
10697 if (CHIP_IS_E3(bp)) {
10698 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
10699 MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
10703 /******************************************************************/
10704 /* 54618SE PHY SECTION */
10705 /******************************************************************/
10706 static void bnx2x_54618se_specific_func(struct bnx2x_phy *phy,
10707 struct link_params *params,
10710 struct bnx2x *bp = params->bp;
10714 /* Configure LED4: set to INTR (0x6). */
10715 /* Accessing shadow register 0xe. */
10716 bnx2x_cl22_write(bp, phy,
10717 MDIO_REG_GPHY_SHADOW,
10718 MDIO_REG_GPHY_SHADOW_LED_SEL2);
10719 bnx2x_cl22_read(bp, phy,
10720 MDIO_REG_GPHY_SHADOW,
10722 temp &= ~(0xf << 4);
10723 temp |= (0x6 << 4);
10724 bnx2x_cl22_write(bp, phy,
10725 MDIO_REG_GPHY_SHADOW,
10726 MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
10727 /* Configure INTR based on link status change. */
10728 bnx2x_cl22_write(bp, phy,
10729 MDIO_REG_INTR_MASK,
10730 ~MDIO_REG_INTR_MASK_LINK_STATUS);
10735 static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
10736 struct link_params *params,
10737 struct link_vars *vars)
10739 struct bnx2x *bp = params->bp;
10741 u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
10744 DP(NETIF_MSG_LINK, "54618SE cfg init\n");
10745 usleep_range(1000, 2000);
10747 /* This works with E3 only, no need to check the chip
10748 * before determining the port.
10750 port = params->port;
10752 cfg_pin = (REG_RD(bp, params->shmem_base +
10753 offsetof(struct shmem_region,
10754 dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
10755 PORT_HW_CFG_E3_PHY_RESET_MASK) >>
10756 PORT_HW_CFG_E3_PHY_RESET_SHIFT;
10758 /* Drive pin high to bring the GPHY out of reset. */
10759 bnx2x_set_cfg_pin(bp, cfg_pin, 1);
10761 /* wait for GPHY to reset */
10765 bnx2x_cl22_write(bp, phy,
10766 MDIO_PMA_REG_CTRL, 0x8000);
10767 bnx2x_wait_reset_complete(bp, phy, params);
10769 /* Wait for GPHY to reset */
10773 bnx2x_54618se_specific_func(phy, params, PHY_INIT);
10774 /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
10775 bnx2x_cl22_write(bp, phy,
10776 MDIO_REG_GPHY_SHADOW,
10777 MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
10778 bnx2x_cl22_read(bp, phy,
10779 MDIO_REG_GPHY_SHADOW,
10781 temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
10782 bnx2x_cl22_write(bp, phy,
10783 MDIO_REG_GPHY_SHADOW,
10784 MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
10787 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
10788 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
10790 if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
10791 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
10792 fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
10794 if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
10795 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
10796 fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
10798 /* Read all advertisement */
10799 bnx2x_cl22_read(bp, phy,
10803 bnx2x_cl22_read(bp, phy,
10807 bnx2x_cl22_read(bp, phy,
10811 /* Disable forced speed */
10812 autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
10813 an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
10816 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
10817 (phy->speed_cap_mask &
10818 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
10819 (phy->req_line_speed == SPEED_1000)) {
10820 an_1000_val |= (1<<8);
10821 autoneg_val |= (1<<9 | 1<<12);
10822 if (phy->req_duplex == DUPLEX_FULL)
10823 an_1000_val |= (1<<9);
10824 DP(NETIF_MSG_LINK, "Advertising 1G\n");
10826 an_1000_val &= ~((1<<8) | (1<<9));
10828 bnx2x_cl22_write(bp, phy,
10831 bnx2x_cl22_read(bp, phy,
10835 /* Advertise 10/100 link speed */
10836 if (phy->req_line_speed == SPEED_AUTO_NEG) {
10837 if (phy->speed_cap_mask &
10838 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF) {
10839 an_10_100_val |= (1<<5);
10840 autoneg_val |= (1<<9 | 1<<12);
10841 DP(NETIF_MSG_LINK, "Advertising 10M-HD\n");
10843 if (phy->speed_cap_mask &
10844 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) {
10845 an_10_100_val |= (1<<6);
10846 autoneg_val |= (1<<9 | 1<<12);
10847 DP(NETIF_MSG_LINK, "Advertising 10M-FD\n");
10849 if (phy->speed_cap_mask &
10850 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF) {
10851 an_10_100_val |= (1<<7);
10852 autoneg_val |= (1<<9 | 1<<12);
10853 DP(NETIF_MSG_LINK, "Advertising 100M-HD\n");
10855 if (phy->speed_cap_mask &
10856 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL) {
10857 an_10_100_val |= (1<<8);
10858 autoneg_val |= (1<<9 | 1<<12);
10859 DP(NETIF_MSG_LINK, "Advertising 100M-FD\n");
10863 /* Only 10/100 are allowed to work in FORCE mode */
10864 if (phy->req_line_speed == SPEED_100) {
10865 autoneg_val |= (1<<13);
10866 /* Enabled AUTO-MDIX when autoneg is disabled */
10867 bnx2x_cl22_write(bp, phy,
10869 (1<<15 | 1<<9 | 7<<0));
10870 DP(NETIF_MSG_LINK, "Setting 100M force\n");
10872 if (phy->req_line_speed == SPEED_10) {
10873 /* Enabled AUTO-MDIX when autoneg is disabled */
10874 bnx2x_cl22_write(bp, phy,
10876 (1<<15 | 1<<9 | 7<<0));
10877 DP(NETIF_MSG_LINK, "Setting 10M force\n");
10880 if ((phy->flags & FLAGS_EEE) && bnx2x_eee_has_cap(params)) {
10883 bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS,
10884 MDIO_REG_GPHY_EXP_ACCESS_TOP |
10885 MDIO_REG_GPHY_EXP_TOP_2K_BUF);
10886 bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, &temp);
10888 bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, temp);
10890 rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_1G_ADV);
10892 DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
10893 bnx2x_eee_disable(phy, params, vars);
10894 } else if ((params->eee_mode & EEE_MODE_ADV_LPI) &&
10895 (phy->req_duplex == DUPLEX_FULL) &&
10896 (bnx2x_eee_calc_timer(params) ||
10897 !(params->eee_mode & EEE_MODE_ENABLE_LPI))) {
10898 /* Need to advertise EEE only when requested,
10899 * and either no LPI assertion was requested,
10900 * or it was requested and a valid timer was set.
10901 * Also notice full duplex is required for EEE.
10903 bnx2x_eee_advertise(phy, params, vars,
10906 DP(NETIF_MSG_LINK, "Don't Advertise 1GBase-T EEE\n");
10907 bnx2x_eee_disable(phy, params, vars);
10910 vars->eee_status &= ~SHMEM_EEE_1G_ADV <<
10911 SHMEM_EEE_SUPPORTED_SHIFT;
10913 if (phy->flags & FLAGS_EEE) {
10914 /* Handle legacy auto-grEEEn */
10915 if (params->feature_config_flags &
10916 FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
10918 DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
10921 DP(NETIF_MSG_LINK, "Don't Adv. EEE\n");
10923 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
10924 MDIO_AN_REG_EEE_ADV, temp);
10928 bnx2x_cl22_write(bp, phy,
10930 an_10_100_val | fc_val);
10932 if (phy->req_duplex == DUPLEX_FULL)
10933 autoneg_val |= (1<<8);
10935 bnx2x_cl22_write(bp, phy,
10936 MDIO_PMA_REG_CTRL, autoneg_val);
10942 static void bnx2x_5461x_set_link_led(struct bnx2x_phy *phy,
10943 struct link_params *params, u8 mode)
10945 struct bnx2x *bp = params->bp;
10948 bnx2x_cl22_write(bp, phy,
10949 MDIO_REG_GPHY_SHADOW,
10950 MDIO_REG_GPHY_SHADOW_LED_SEL1);
10951 bnx2x_cl22_read(bp, phy,
10952 MDIO_REG_GPHY_SHADOW,
10956 DP(NETIF_MSG_LINK, "54618x set link led (mode=%x)\n", mode);
10958 case LED_MODE_FRONT_PANEL_OFF:
10962 case LED_MODE_OPER:
10971 bnx2x_cl22_write(bp, phy,
10972 MDIO_REG_GPHY_SHADOW,
10973 MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
10978 static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
10979 struct link_params *params)
10981 struct bnx2x *bp = params->bp;
10985 /* In case of no EPIO routed to reset the GPHY, put it
10986 * in low power mode.
10988 bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
10989 /* This works with E3 only, no need to check the chip
10990 * before determining the port.
10992 port = params->port;
10993 cfg_pin = (REG_RD(bp, params->shmem_base +
10994 offsetof(struct shmem_region,
10995 dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
10996 PORT_HW_CFG_E3_PHY_RESET_MASK) >>
10997 PORT_HW_CFG_E3_PHY_RESET_SHIFT;
10999 /* Drive pin low to put GPHY in reset. */
11000 bnx2x_set_cfg_pin(bp, cfg_pin, 0);
11003 static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
11004 struct link_params *params,
11005 struct link_vars *vars)
11007 struct bnx2x *bp = params->bp;
11010 u16 legacy_status, legacy_speed;
11012 /* Get speed operation status */
11013 bnx2x_cl22_read(bp, phy,
11014 MDIO_REG_GPHY_AUX_STATUS,
11016 DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
11018 /* Read status to clear the PHY interrupt. */
11019 bnx2x_cl22_read(bp, phy,
11020 MDIO_REG_INTR_STATUS,
11023 link_up = ((legacy_status & (1<<2)) == (1<<2));
11026 legacy_speed = (legacy_status & (7<<8));
11027 if (legacy_speed == (7<<8)) {
11028 vars->line_speed = SPEED_1000;
11029 vars->duplex = DUPLEX_FULL;
11030 } else if (legacy_speed == (6<<8)) {
11031 vars->line_speed = SPEED_1000;
11032 vars->duplex = DUPLEX_HALF;
11033 } else if (legacy_speed == (5<<8)) {
11034 vars->line_speed = SPEED_100;
11035 vars->duplex = DUPLEX_FULL;
11037 /* Omitting 100Base-T4 for now */
11038 else if (legacy_speed == (3<<8)) {
11039 vars->line_speed = SPEED_100;
11040 vars->duplex = DUPLEX_HALF;
11041 } else if (legacy_speed == (2<<8)) {
11042 vars->line_speed = SPEED_10;
11043 vars->duplex = DUPLEX_FULL;
11044 } else if (legacy_speed == (1<<8)) {
11045 vars->line_speed = SPEED_10;
11046 vars->duplex = DUPLEX_HALF;
11047 } else /* Should not happen */
11048 vars->line_speed = 0;
11051 "Link is up in %dMbps, is_duplex_full= %d\n",
11053 (vars->duplex == DUPLEX_FULL));
11055 /* Check legacy speed AN resolution */
11056 bnx2x_cl22_read(bp, phy,
11060 vars->link_status |=
11061 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
11062 bnx2x_cl22_read(bp, phy,
11065 if ((val & (1<<0)) == 0)
11066 vars->link_status |=
11067 LINK_STATUS_PARALLEL_DETECTION_USED;
11069 DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
11072 bnx2x_ext_phy_resolve_fc(phy, params, vars);
11074 if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
11075 /* Report LP advertised speeds */
11076 bnx2x_cl22_read(bp, phy, 0x5, &val);
11079 vars->link_status |=
11080 LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
11082 vars->link_status |=
11083 LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
11085 vars->link_status |=
11086 LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
11088 vars->link_status |=
11089 LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
11091 vars->link_status |=
11092 LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
11094 bnx2x_cl22_read(bp, phy, 0xa, &val);
11096 vars->link_status |=
11097 LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
11099 vars->link_status |=
11100 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
11102 if ((phy->flags & FLAGS_EEE) &&
11103 bnx2x_eee_has_cap(params))
11104 bnx2x_eee_an_resolve(phy, params, vars);
11110 static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
11111 struct link_params *params)
11113 struct bnx2x *bp = params->bp;
11115 u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
11117 DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
11119 /* Enable master/slave manual mmode and set to master */
11120 /* mii write 9 [bits set 11 12] */
11121 bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
11123 /* forced 1G and disable autoneg */
11124 /* set val [mii read 0] */
11125 /* set val [expr $val & [bits clear 6 12 13]] */
11126 /* set val [expr $val | [bits set 6 8]] */
11127 /* mii write 0 $val */
11128 bnx2x_cl22_read(bp, phy, 0x00, &val);
11129 val &= ~((1<<6) | (1<<12) | (1<<13));
11130 val |= (1<<6) | (1<<8);
11131 bnx2x_cl22_write(bp, phy, 0x00, val);
11133 /* Set external loopback and Tx using 6dB coding */
11134 /* mii write 0x18 7 */
11135 /* set val [mii read 0x18] */
11136 /* mii write 0x18 [expr $val | [bits set 10 15]] */
11137 bnx2x_cl22_write(bp, phy, 0x18, 7);
11138 bnx2x_cl22_read(bp, phy, 0x18, &val);
11139 bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
11141 /* This register opens the gate for the UMAC despite its name */
11142 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
11144 /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
11145 * length used by the MAC receive logic to check frames.
11147 REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
11150 /******************************************************************/
11151 /* SFX7101 PHY SECTION */
11152 /******************************************************************/
11153 static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
11154 struct link_params *params)
11156 struct bnx2x *bp = params->bp;
11157 /* SFX7101_XGXS_TEST1 */
11158 bnx2x_cl45_write(bp, phy,
11159 MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
11162 static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
11163 struct link_params *params,
11164 struct link_vars *vars)
11166 u16 fw_ver1, fw_ver2, val;
11167 struct bnx2x *bp = params->bp;
11168 DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
11170 /* Restore normal power mode*/
11171 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
11172 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
11174 bnx2x_ext_phy_hw_reset(bp, params->port);
11175 bnx2x_wait_reset_complete(bp, phy, params);
11177 bnx2x_cl45_write(bp, phy,
11178 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
11179 DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
11180 bnx2x_cl45_write(bp, phy,
11181 MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
11183 bnx2x_ext_phy_set_pause(params, phy, vars);
11184 /* Restart autoneg */
11185 bnx2x_cl45_read(bp, phy,
11186 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
11188 bnx2x_cl45_write(bp, phy,
11189 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
11191 /* Save spirom version */
11192 bnx2x_cl45_read(bp, phy,
11193 MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
11195 bnx2x_cl45_read(bp, phy,
11196 MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
11197 bnx2x_save_spirom_version(bp, params->port,
11198 (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
11202 static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
11203 struct link_params *params,
11204 struct link_vars *vars)
11206 struct bnx2x *bp = params->bp;
11209 bnx2x_cl45_read(bp, phy,
11210 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
11211 bnx2x_cl45_read(bp, phy,
11212 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
11213 DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
11215 bnx2x_cl45_read(bp, phy,
11216 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
11217 bnx2x_cl45_read(bp, phy,
11218 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
11219 DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
11221 link_up = ((val1 & 4) == 4);
11222 /* If link is up print the AN outcome of the SFX7101 PHY */
11224 bnx2x_cl45_read(bp, phy,
11225 MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
11227 vars->line_speed = SPEED_10000;
11228 vars->duplex = DUPLEX_FULL;
11229 DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
11230 val2, (val2 & (1<<14)));
11231 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
11232 bnx2x_ext_phy_resolve_fc(phy, params, vars);
11234 /* Read LP advertised speeds */
11235 if (val2 & (1<<11))
11236 vars->link_status |=
11237 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
11242 static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
11246 str[0] = (spirom_ver & 0xFF);
11247 str[1] = (spirom_ver & 0xFF00) >> 8;
11248 str[2] = (spirom_ver & 0xFF0000) >> 16;
11249 str[3] = (spirom_ver & 0xFF000000) >> 24;
11255 void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
11259 bnx2x_cl45_read(bp, phy,
11261 MDIO_PMA_REG_7101_RESET, &val);
11263 for (cnt = 0; cnt < 10; cnt++) {
11265 /* Writes a self-clearing reset */
11266 bnx2x_cl45_write(bp, phy,
11268 MDIO_PMA_REG_7101_RESET,
11270 /* Wait for clear */
11271 bnx2x_cl45_read(bp, phy,
11273 MDIO_PMA_REG_7101_RESET, &val);
11275 if ((val & (1<<15)) == 0)
11280 static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
11281 struct link_params *params) {
11282 /* Low power mode is controlled by GPIO 2 */
11283 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
11284 MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
11285 /* The PHY reset is controlled by GPIO 1 */
11286 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
11287 MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
11290 static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
11291 struct link_params *params, u8 mode)
11294 struct bnx2x *bp = params->bp;
11296 case LED_MODE_FRONT_PANEL_OFF:
11303 case LED_MODE_OPER:
11307 bnx2x_cl45_write(bp, phy,
11309 MDIO_PMA_REG_7107_LINK_LED_CNTL,
11313 /******************************************************************/
11314 /* STATIC PHY DECLARATION */
11315 /******************************************************************/
11317 static const struct bnx2x_phy phy_null = {
11318 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
11321 .flags = FLAGS_INIT_XGXS_FIRST,
11322 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11323 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11326 .media_type = ETH_PHY_NOT_PRESENT,
11328 .req_flow_ctrl = 0,
11329 .req_line_speed = 0,
11330 .speed_cap_mask = 0,
11333 .config_init = (config_init_t)NULL,
11334 .read_status = (read_status_t)NULL,
11335 .link_reset = (link_reset_t)NULL,
11336 .config_loopback = (config_loopback_t)NULL,
11337 .format_fw_ver = (format_fw_ver_t)NULL,
11338 .hw_reset = (hw_reset_t)NULL,
11339 .set_link_led = (set_link_led_t)NULL,
11340 .phy_specific_func = (phy_specific_func_t)NULL
11343 static const struct bnx2x_phy phy_serdes = {
11344 .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
11348 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11349 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11351 .supported = (SUPPORTED_10baseT_Half |
11352 SUPPORTED_10baseT_Full |
11353 SUPPORTED_100baseT_Half |
11354 SUPPORTED_100baseT_Full |
11355 SUPPORTED_1000baseT_Full |
11356 SUPPORTED_2500baseX_Full |
11358 SUPPORTED_Autoneg |
11360 SUPPORTED_Asym_Pause),
11361 .media_type = ETH_PHY_BASE_T,
11363 .req_flow_ctrl = 0,
11364 .req_line_speed = 0,
11365 .speed_cap_mask = 0,
11368 .config_init = (config_init_t)bnx2x_xgxs_config_init,
11369 .read_status = (read_status_t)bnx2x_link_settings_status,
11370 .link_reset = (link_reset_t)bnx2x_int_link_reset,
11371 .config_loopback = (config_loopback_t)NULL,
11372 .format_fw_ver = (format_fw_ver_t)NULL,
11373 .hw_reset = (hw_reset_t)NULL,
11374 .set_link_led = (set_link_led_t)NULL,
11375 .phy_specific_func = (phy_specific_func_t)NULL
11378 static const struct bnx2x_phy phy_xgxs = {
11379 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
11383 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11384 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11386 .supported = (SUPPORTED_10baseT_Half |
11387 SUPPORTED_10baseT_Full |
11388 SUPPORTED_100baseT_Half |
11389 SUPPORTED_100baseT_Full |
11390 SUPPORTED_1000baseT_Full |
11391 SUPPORTED_2500baseX_Full |
11392 SUPPORTED_10000baseT_Full |
11394 SUPPORTED_Autoneg |
11396 SUPPORTED_Asym_Pause),
11397 .media_type = ETH_PHY_CX4,
11399 .req_flow_ctrl = 0,
11400 .req_line_speed = 0,
11401 .speed_cap_mask = 0,
11404 .config_init = (config_init_t)bnx2x_xgxs_config_init,
11405 .read_status = (read_status_t)bnx2x_link_settings_status,
11406 .link_reset = (link_reset_t)bnx2x_int_link_reset,
11407 .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
11408 .format_fw_ver = (format_fw_ver_t)NULL,
11409 .hw_reset = (hw_reset_t)NULL,
11410 .set_link_led = (set_link_led_t)NULL,
11411 .phy_specific_func = (phy_specific_func_t)bnx2x_xgxs_specific_func
11413 static const struct bnx2x_phy phy_warpcore = {
11414 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
11417 .flags = FLAGS_TX_ERROR_CHECK,
11418 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11419 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11421 .supported = (SUPPORTED_10baseT_Half |
11422 SUPPORTED_10baseT_Full |
11423 SUPPORTED_100baseT_Half |
11424 SUPPORTED_100baseT_Full |
11425 SUPPORTED_1000baseT_Full |
11426 SUPPORTED_10000baseT_Full |
11427 SUPPORTED_20000baseKR2_Full |
11428 SUPPORTED_20000baseMLD2_Full |
11430 SUPPORTED_Autoneg |
11432 SUPPORTED_Asym_Pause),
11433 .media_type = ETH_PHY_UNSPECIFIED,
11435 .req_flow_ctrl = 0,
11436 .req_line_speed = 0,
11437 .speed_cap_mask = 0,
11438 /* req_duplex = */0,
11440 .config_init = (config_init_t)bnx2x_warpcore_config_init,
11441 .read_status = (read_status_t)bnx2x_warpcore_read_status,
11442 .link_reset = (link_reset_t)bnx2x_warpcore_link_reset,
11443 .config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
11444 .format_fw_ver = (format_fw_ver_t)NULL,
11445 .hw_reset = (hw_reset_t)bnx2x_warpcore_hw_reset,
11446 .set_link_led = (set_link_led_t)NULL,
11447 .phy_specific_func = (phy_specific_func_t)NULL
11451 static const struct bnx2x_phy phy_7101 = {
11452 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
11455 .flags = FLAGS_FAN_FAILURE_DET_REQ,
11456 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11457 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11459 .supported = (SUPPORTED_10000baseT_Full |
11461 SUPPORTED_Autoneg |
11463 SUPPORTED_Asym_Pause),
11464 .media_type = ETH_PHY_BASE_T,
11466 .req_flow_ctrl = 0,
11467 .req_line_speed = 0,
11468 .speed_cap_mask = 0,
11471 .config_init = (config_init_t)bnx2x_7101_config_init,
11472 .read_status = (read_status_t)bnx2x_7101_read_status,
11473 .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
11474 .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
11475 .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
11476 .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
11477 .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
11478 .phy_specific_func = (phy_specific_func_t)NULL
11480 static const struct bnx2x_phy phy_8073 = {
11481 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
11485 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11486 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11488 .supported = (SUPPORTED_10000baseT_Full |
11489 SUPPORTED_2500baseX_Full |
11490 SUPPORTED_1000baseT_Full |
11492 SUPPORTED_Autoneg |
11494 SUPPORTED_Asym_Pause),
11495 .media_type = ETH_PHY_KR,
11497 .req_flow_ctrl = 0,
11498 .req_line_speed = 0,
11499 .speed_cap_mask = 0,
11502 .config_init = (config_init_t)bnx2x_8073_config_init,
11503 .read_status = (read_status_t)bnx2x_8073_read_status,
11504 .link_reset = (link_reset_t)bnx2x_8073_link_reset,
11505 .config_loopback = (config_loopback_t)NULL,
11506 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
11507 .hw_reset = (hw_reset_t)NULL,
11508 .set_link_led = (set_link_led_t)NULL,
11509 .phy_specific_func = (phy_specific_func_t)bnx2x_8073_specific_func
11511 static const struct bnx2x_phy phy_8705 = {
11512 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
11515 .flags = FLAGS_INIT_XGXS_FIRST,
11516 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11517 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11519 .supported = (SUPPORTED_10000baseT_Full |
11522 SUPPORTED_Asym_Pause),
11523 .media_type = ETH_PHY_XFP_FIBER,
11525 .req_flow_ctrl = 0,
11526 .req_line_speed = 0,
11527 .speed_cap_mask = 0,
11530 .config_init = (config_init_t)bnx2x_8705_config_init,
11531 .read_status = (read_status_t)bnx2x_8705_read_status,
11532 .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
11533 .config_loopback = (config_loopback_t)NULL,
11534 .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
11535 .hw_reset = (hw_reset_t)NULL,
11536 .set_link_led = (set_link_led_t)NULL,
11537 .phy_specific_func = (phy_specific_func_t)NULL
11539 static const struct bnx2x_phy phy_8706 = {
11540 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
11543 .flags = FLAGS_INIT_XGXS_FIRST,
11544 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11545 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11547 .supported = (SUPPORTED_10000baseT_Full |
11548 SUPPORTED_1000baseT_Full |
11551 SUPPORTED_Asym_Pause),
11552 .media_type = ETH_PHY_SFPP_10G_FIBER,
11554 .req_flow_ctrl = 0,
11555 .req_line_speed = 0,
11556 .speed_cap_mask = 0,
11559 .config_init = (config_init_t)bnx2x_8706_config_init,
11560 .read_status = (read_status_t)bnx2x_8706_read_status,
11561 .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
11562 .config_loopback = (config_loopback_t)NULL,
11563 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
11564 .hw_reset = (hw_reset_t)NULL,
11565 .set_link_led = (set_link_led_t)NULL,
11566 .phy_specific_func = (phy_specific_func_t)NULL
11569 static const struct bnx2x_phy phy_8726 = {
11570 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
11573 .flags = (FLAGS_INIT_XGXS_FIRST |
11574 FLAGS_TX_ERROR_CHECK),
11575 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11576 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11578 .supported = (SUPPORTED_10000baseT_Full |
11579 SUPPORTED_1000baseT_Full |
11580 SUPPORTED_Autoneg |
11583 SUPPORTED_Asym_Pause),
11584 .media_type = ETH_PHY_NOT_PRESENT,
11586 .req_flow_ctrl = 0,
11587 .req_line_speed = 0,
11588 .speed_cap_mask = 0,
11591 .config_init = (config_init_t)bnx2x_8726_config_init,
11592 .read_status = (read_status_t)bnx2x_8726_read_status,
11593 .link_reset = (link_reset_t)bnx2x_8726_link_reset,
11594 .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
11595 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
11596 .hw_reset = (hw_reset_t)NULL,
11597 .set_link_led = (set_link_led_t)NULL,
11598 .phy_specific_func = (phy_specific_func_t)NULL
11601 static const struct bnx2x_phy phy_8727 = {
11602 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
11605 .flags = (FLAGS_FAN_FAILURE_DET_REQ |
11606 FLAGS_TX_ERROR_CHECK),
11607 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11608 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11610 .supported = (SUPPORTED_10000baseT_Full |
11611 SUPPORTED_1000baseT_Full |
11614 SUPPORTED_Asym_Pause),
11615 .media_type = ETH_PHY_NOT_PRESENT,
11617 .req_flow_ctrl = 0,
11618 .req_line_speed = 0,
11619 .speed_cap_mask = 0,
11622 .config_init = (config_init_t)bnx2x_8727_config_init,
11623 .read_status = (read_status_t)bnx2x_8727_read_status,
11624 .link_reset = (link_reset_t)bnx2x_8727_link_reset,
11625 .config_loopback = (config_loopback_t)NULL,
11626 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
11627 .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
11628 .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
11629 .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
11631 static const struct bnx2x_phy phy_8481 = {
11632 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
11635 .flags = FLAGS_FAN_FAILURE_DET_REQ |
11636 FLAGS_REARM_LATCH_SIGNAL,
11637 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11638 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11640 .supported = (SUPPORTED_10baseT_Half |
11641 SUPPORTED_10baseT_Full |
11642 SUPPORTED_100baseT_Half |
11643 SUPPORTED_100baseT_Full |
11644 SUPPORTED_1000baseT_Full |
11645 SUPPORTED_10000baseT_Full |
11647 SUPPORTED_Autoneg |
11649 SUPPORTED_Asym_Pause),
11650 .media_type = ETH_PHY_BASE_T,
11652 .req_flow_ctrl = 0,
11653 .req_line_speed = 0,
11654 .speed_cap_mask = 0,
11657 .config_init = (config_init_t)bnx2x_8481_config_init,
11658 .read_status = (read_status_t)bnx2x_848xx_read_status,
11659 .link_reset = (link_reset_t)bnx2x_8481_link_reset,
11660 .config_loopback = (config_loopback_t)NULL,
11661 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
11662 .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
11663 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
11664 .phy_specific_func = (phy_specific_func_t)NULL
11667 static const struct bnx2x_phy phy_84823 = {
11668 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
11671 .flags = (FLAGS_FAN_FAILURE_DET_REQ |
11672 FLAGS_REARM_LATCH_SIGNAL |
11673 FLAGS_TX_ERROR_CHECK),
11674 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11675 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11677 .supported = (SUPPORTED_10baseT_Half |
11678 SUPPORTED_10baseT_Full |
11679 SUPPORTED_100baseT_Half |
11680 SUPPORTED_100baseT_Full |
11681 SUPPORTED_1000baseT_Full |
11682 SUPPORTED_10000baseT_Full |
11684 SUPPORTED_Autoneg |
11686 SUPPORTED_Asym_Pause),
11687 .media_type = ETH_PHY_BASE_T,
11689 .req_flow_ctrl = 0,
11690 .req_line_speed = 0,
11691 .speed_cap_mask = 0,
11694 .config_init = (config_init_t)bnx2x_848x3_config_init,
11695 .read_status = (read_status_t)bnx2x_848xx_read_status,
11696 .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
11697 .config_loopback = (config_loopback_t)NULL,
11698 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
11699 .hw_reset = (hw_reset_t)NULL,
11700 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
11701 .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
11704 static const struct bnx2x_phy phy_84833 = {
11705 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
11708 .flags = (FLAGS_FAN_FAILURE_DET_REQ |
11709 FLAGS_REARM_LATCH_SIGNAL |
11710 FLAGS_TX_ERROR_CHECK),
11711 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11712 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11714 .supported = (SUPPORTED_100baseT_Half |
11715 SUPPORTED_100baseT_Full |
11716 SUPPORTED_1000baseT_Full |
11717 SUPPORTED_10000baseT_Full |
11719 SUPPORTED_Autoneg |
11721 SUPPORTED_Asym_Pause),
11722 .media_type = ETH_PHY_BASE_T,
11724 .req_flow_ctrl = 0,
11725 .req_line_speed = 0,
11726 .speed_cap_mask = 0,
11729 .config_init = (config_init_t)bnx2x_848x3_config_init,
11730 .read_status = (read_status_t)bnx2x_848xx_read_status,
11731 .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
11732 .config_loopback = (config_loopback_t)NULL,
11733 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
11734 .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
11735 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
11736 .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
11739 static const struct bnx2x_phy phy_84834 = {
11740 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834,
11743 .flags = FLAGS_FAN_FAILURE_DET_REQ |
11744 FLAGS_REARM_LATCH_SIGNAL,
11745 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11746 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11748 .supported = (SUPPORTED_100baseT_Half |
11749 SUPPORTED_100baseT_Full |
11750 SUPPORTED_1000baseT_Full |
11751 SUPPORTED_10000baseT_Full |
11753 SUPPORTED_Autoneg |
11755 SUPPORTED_Asym_Pause),
11756 .media_type = ETH_PHY_BASE_T,
11758 .req_flow_ctrl = 0,
11759 .req_line_speed = 0,
11760 .speed_cap_mask = 0,
11763 .config_init = (config_init_t)bnx2x_848x3_config_init,
11764 .read_status = (read_status_t)bnx2x_848xx_read_status,
11765 .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
11766 .config_loopback = (config_loopback_t)NULL,
11767 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
11768 .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
11769 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
11770 .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
11773 static const struct bnx2x_phy phy_54618se = {
11774 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
11777 .flags = FLAGS_INIT_XGXS_FIRST,
11778 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11779 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
11781 .supported = (SUPPORTED_10baseT_Half |
11782 SUPPORTED_10baseT_Full |
11783 SUPPORTED_100baseT_Half |
11784 SUPPORTED_100baseT_Full |
11785 SUPPORTED_1000baseT_Full |
11787 SUPPORTED_Autoneg |
11789 SUPPORTED_Asym_Pause),
11790 .media_type = ETH_PHY_BASE_T,
11792 .req_flow_ctrl = 0,
11793 .req_line_speed = 0,
11794 .speed_cap_mask = 0,
11795 /* req_duplex = */0,
11797 .config_init = (config_init_t)bnx2x_54618se_config_init,
11798 .read_status = (read_status_t)bnx2x_54618se_read_status,
11799 .link_reset = (link_reset_t)bnx2x_54618se_link_reset,
11800 .config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
11801 .format_fw_ver = (format_fw_ver_t)NULL,
11802 .hw_reset = (hw_reset_t)NULL,
11803 .set_link_led = (set_link_led_t)bnx2x_5461x_set_link_led,
11804 .phy_specific_func = (phy_specific_func_t)bnx2x_54618se_specific_func
11806 /*****************************************************************/
11808 /* Populate the phy according. Main function: bnx2x_populate_phy */
11810 /*****************************************************************/
11812 static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
11813 struct bnx2x_phy *phy, u8 port,
11816 /* Get the 4 lanes xgxs config rx and tx */
11817 u32 rx = 0, tx = 0, i;
11818 for (i = 0; i < 2; i++) {
11819 /* INT_PHY and EXT_PHY1 share the same value location in
11820 * the shmem. When num_phys is greater than 1, than this value
11821 * applies only to EXT_PHY1
11823 if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
11824 rx = REG_RD(bp, shmem_base +
11825 offsetof(struct shmem_region,
11826 dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
11828 tx = REG_RD(bp, shmem_base +
11829 offsetof(struct shmem_region,
11830 dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
11832 rx = REG_RD(bp, shmem_base +
11833 offsetof(struct shmem_region,
11834 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
11836 tx = REG_RD(bp, shmem_base +
11837 offsetof(struct shmem_region,
11838 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
11841 phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
11842 phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
11844 phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
11845 phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
11849 static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
11850 u8 phy_index, u8 port)
11852 u32 ext_phy_config = 0;
11853 switch (phy_index) {
11855 ext_phy_config = REG_RD(bp, shmem_base +
11856 offsetof(struct shmem_region,
11857 dev_info.port_hw_config[port].external_phy_config));
11860 ext_phy_config = REG_RD(bp, shmem_base +
11861 offsetof(struct shmem_region,
11862 dev_info.port_hw_config[port].external_phy_config2));
11865 DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
11869 return ext_phy_config;
11871 static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
11872 struct bnx2x_phy *phy)
11876 u32 switch_cfg = (REG_RD(bp, shmem_base +
11877 offsetof(struct shmem_region,
11878 dev_info.port_feature_config[port].link_config)) &
11879 PORT_FEATURE_CONNECTED_SWITCH_MASK);
11880 chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
11881 ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
11883 DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
11884 if (USES_WARPCORE(bp)) {
11886 phy_addr = REG_RD(bp,
11887 MISC_REG_WC0_CTRL_PHY_ADDR);
11888 *phy = phy_warpcore;
11889 if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
11890 phy->flags |= FLAGS_4_PORT_MODE;
11892 phy->flags &= ~FLAGS_4_PORT_MODE;
11893 /* Check Dual mode */
11894 serdes_net_if = (REG_RD(bp, shmem_base +
11895 offsetof(struct shmem_region, dev_info.
11896 port_hw_config[port].default_cfg)) &
11897 PORT_HW_CFG_NET_SERDES_IF_MASK);
11898 /* Set the appropriate supported and flags indications per
11899 * interface type of the chip
11901 switch (serdes_net_if) {
11902 case PORT_HW_CFG_NET_SERDES_IF_SGMII:
11903 phy->supported &= (SUPPORTED_10baseT_Half |
11904 SUPPORTED_10baseT_Full |
11905 SUPPORTED_100baseT_Half |
11906 SUPPORTED_100baseT_Full |
11907 SUPPORTED_1000baseT_Full |
11909 SUPPORTED_Autoneg |
11911 SUPPORTED_Asym_Pause);
11912 phy->media_type = ETH_PHY_BASE_T;
11914 case PORT_HW_CFG_NET_SERDES_IF_XFI:
11915 phy->supported &= (SUPPORTED_1000baseT_Full |
11916 SUPPORTED_10000baseT_Full |
11919 SUPPORTED_Asym_Pause);
11920 phy->media_type = ETH_PHY_XFP_FIBER;
11922 case PORT_HW_CFG_NET_SERDES_IF_SFI:
11923 phy->supported &= (SUPPORTED_1000baseT_Full |
11924 SUPPORTED_10000baseT_Full |
11927 SUPPORTED_Asym_Pause);
11928 phy->media_type = ETH_PHY_SFPP_10G_FIBER;
11930 case PORT_HW_CFG_NET_SERDES_IF_KR:
11931 phy->media_type = ETH_PHY_KR;
11932 phy->supported &= (SUPPORTED_1000baseT_Full |
11933 SUPPORTED_10000baseT_Full |
11935 SUPPORTED_Autoneg |
11937 SUPPORTED_Asym_Pause);
11939 case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
11940 phy->media_type = ETH_PHY_KR;
11941 phy->flags |= FLAGS_WC_DUAL_MODE;
11942 phy->supported &= (SUPPORTED_20000baseMLD2_Full |
11945 SUPPORTED_Asym_Pause);
11947 case PORT_HW_CFG_NET_SERDES_IF_KR2:
11948 phy->media_type = ETH_PHY_KR;
11949 phy->flags |= FLAGS_WC_DUAL_MODE;
11950 phy->supported &= (SUPPORTED_20000baseKR2_Full |
11951 SUPPORTED_10000baseT_Full |
11952 SUPPORTED_1000baseT_Full |
11953 SUPPORTED_Autoneg |
11956 SUPPORTED_Asym_Pause);
11957 phy->flags &= ~FLAGS_TX_ERROR_CHECK;
11960 DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
11965 /* Enable MDC/MDIO work-around for E3 A0 since free running MDC
11966 * was not set as expected. For B0, ECO will be enabled so there
11967 * won't be an issue there
11969 if (CHIP_REV(bp) == CHIP_REV_Ax)
11970 phy->flags |= FLAGS_MDC_MDIO_WA;
11972 phy->flags |= FLAGS_MDC_MDIO_WA_B0;
11974 switch (switch_cfg) {
11975 case SWITCH_CFG_1G:
11976 phy_addr = REG_RD(bp,
11977 NIG_REG_SERDES0_CTRL_PHY_ADDR +
11981 case SWITCH_CFG_10G:
11982 phy_addr = REG_RD(bp,
11983 NIG_REG_XGXS0_CTRL_PHY_ADDR +
11988 DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
11992 phy->addr = (u8)phy_addr;
11993 phy->mdio_ctrl = bnx2x_get_emac_base(bp,
11994 SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
11996 if (CHIP_IS_E2(bp))
11997 phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
11999 phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
12001 DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
12002 port, phy->addr, phy->mdio_ctrl);
12004 bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
12008 static int bnx2x_populate_ext_phy(struct bnx2x *bp,
12013 struct bnx2x_phy *phy)
12015 u32 ext_phy_config, phy_type, config2;
12016 u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
12017 ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
12019 phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
12020 /* Select the phy type */
12021 switch (phy_type) {
12022 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
12023 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
12026 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
12029 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
12032 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
12033 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
12036 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
12037 /* BCM8727_NOC => BCM8727 no over current */
12038 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
12040 phy->flags |= FLAGS_NOC;
12042 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
12043 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
12044 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
12047 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
12050 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
12053 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
12056 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
12059 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
12060 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
12061 *phy = phy_54618se;
12062 if (phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
12063 phy->flags |= FLAGS_EEE;
12065 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
12068 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
12073 /* In case external PHY wasn't found */
12074 if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
12075 (phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
12080 phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
12081 bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
12083 /* The shmem address of the phy version is located on different
12084 * structures. In case this structure is too old, do not set
12087 config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
12088 dev_info.shared_hw_config.config2));
12089 if (phy_index == EXT_PHY1) {
12090 phy->ver_addr = shmem_base + offsetof(struct shmem_region,
12091 port_mb[port].ext_phy_fw_version);
12093 /* Check specific mdc mdio settings */
12094 if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
12095 mdc_mdio_access = config2 &
12096 SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
12098 u32 size = REG_RD(bp, shmem2_base);
12101 offsetof(struct shmem2_region, ext_phy_fw_version2)) {
12102 phy->ver_addr = shmem2_base +
12103 offsetof(struct shmem2_region,
12104 ext_phy_fw_version2[port]);
12106 /* Check specific mdc mdio settings */
12107 if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
12108 mdc_mdio_access = (config2 &
12109 SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
12110 (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
12111 SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
12113 phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
12115 if (((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
12116 (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) &&
12118 /* Remove 100Mb link supported for BCM84833/4 when phy fw
12119 * version lower than or equal to 1.39
12121 u32 raw_ver = REG_RD(bp, phy->ver_addr);
12122 if (((raw_ver & 0x7F) <= 39) &&
12123 (((raw_ver & 0xF80) >> 7) <= 1))
12124 phy->supported &= ~(SUPPORTED_100baseT_Half |
12125 SUPPORTED_100baseT_Full);
12128 DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
12129 phy_type, port, phy_index);
12130 DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
12131 phy->addr, phy->mdio_ctrl);
12135 static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
12136 u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
12139 phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
12140 if (phy_index == INT_PHY)
12141 return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
12142 status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
12147 static void bnx2x_phy_def_cfg(struct link_params *params,
12148 struct bnx2x_phy *phy,
12151 struct bnx2x *bp = params->bp;
12153 /* Populate the default phy configuration for MF mode */
12154 if (phy_index == EXT_PHY2) {
12155 link_config = REG_RD(bp, params->shmem_base +
12156 offsetof(struct shmem_region, dev_info.
12157 port_feature_config[params->port].link_config2));
12158 phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
12159 offsetof(struct shmem_region,
12161 port_hw_config[params->port].speed_capability_mask2));
12163 link_config = REG_RD(bp, params->shmem_base +
12164 offsetof(struct shmem_region, dev_info.
12165 port_feature_config[params->port].link_config));
12166 phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
12167 offsetof(struct shmem_region,
12169 port_hw_config[params->port].speed_capability_mask));
12172 "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
12173 phy_index, link_config, phy->speed_cap_mask);
12175 phy->req_duplex = DUPLEX_FULL;
12176 switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
12177 case PORT_FEATURE_LINK_SPEED_10M_HALF:
12178 phy->req_duplex = DUPLEX_HALF;
12179 case PORT_FEATURE_LINK_SPEED_10M_FULL:
12180 phy->req_line_speed = SPEED_10;
12182 case PORT_FEATURE_LINK_SPEED_100M_HALF:
12183 phy->req_duplex = DUPLEX_HALF;
12184 case PORT_FEATURE_LINK_SPEED_100M_FULL:
12185 phy->req_line_speed = SPEED_100;
12187 case PORT_FEATURE_LINK_SPEED_1G:
12188 phy->req_line_speed = SPEED_1000;
12190 case PORT_FEATURE_LINK_SPEED_2_5G:
12191 phy->req_line_speed = SPEED_2500;
12193 case PORT_FEATURE_LINK_SPEED_10G_CX4:
12194 phy->req_line_speed = SPEED_10000;
12197 phy->req_line_speed = SPEED_AUTO_NEG;
12201 switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
12202 case PORT_FEATURE_FLOW_CONTROL_AUTO:
12203 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
12205 case PORT_FEATURE_FLOW_CONTROL_TX:
12206 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
12208 case PORT_FEATURE_FLOW_CONTROL_RX:
12209 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
12211 case PORT_FEATURE_FLOW_CONTROL_BOTH:
12212 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
12215 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12220 u32 bnx2x_phy_selection(struct link_params *params)
12222 u32 phy_config_swapped, prio_cfg;
12223 u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
12225 phy_config_swapped = params->multi_phy_config &
12226 PORT_HW_CFG_PHY_SWAPPED_ENABLED;
12228 prio_cfg = params->multi_phy_config &
12229 PORT_HW_CFG_PHY_SELECTION_MASK;
12231 if (phy_config_swapped) {
12232 switch (prio_cfg) {
12233 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
12234 return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
12236 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
12237 return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
12239 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
12240 return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
12242 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
12243 return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
12247 return_cfg = prio_cfg;
12252 int bnx2x_phy_probe(struct link_params *params)
12254 u8 phy_index, actual_phy_idx;
12255 u32 phy_config_swapped, sync_offset, media_types;
12256 struct bnx2x *bp = params->bp;
12257 struct bnx2x_phy *phy;
12258 params->num_phys = 0;
12259 DP(NETIF_MSG_LINK, "Begin phy probe\n");
12260 phy_config_swapped = params->multi_phy_config &
12261 PORT_HW_CFG_PHY_SWAPPED_ENABLED;
12263 for (phy_index = INT_PHY; phy_index < MAX_PHYS;
12265 actual_phy_idx = phy_index;
12266 if (phy_config_swapped) {
12267 if (phy_index == EXT_PHY1)
12268 actual_phy_idx = EXT_PHY2;
12269 else if (phy_index == EXT_PHY2)
12270 actual_phy_idx = EXT_PHY1;
12272 DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
12273 " actual_phy_idx %x\n", phy_config_swapped,
12274 phy_index, actual_phy_idx);
12275 phy = ¶ms->phy[actual_phy_idx];
12276 if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
12277 params->shmem2_base, params->port,
12279 params->num_phys = 0;
12280 DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
12282 for (phy_index = INT_PHY;
12283 phy_index < MAX_PHYS;
12288 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
12291 if (params->feature_config_flags &
12292 FEATURE_CONFIG_DISABLE_REMOTE_FAULT_DET)
12293 phy->flags &= ~FLAGS_TX_ERROR_CHECK;
12295 if (!(params->feature_config_flags &
12296 FEATURE_CONFIG_MT_SUPPORT))
12297 phy->flags |= FLAGS_MDC_MDIO_WA_G;
12299 sync_offset = params->shmem_base +
12300 offsetof(struct shmem_region,
12301 dev_info.port_hw_config[params->port].media_type);
12302 media_types = REG_RD(bp, sync_offset);
12304 /* Update media type for non-PMF sync only for the first time
12305 * In case the media type changes afterwards, it will be updated
12306 * using the update_status function
12308 if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
12309 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
12310 actual_phy_idx))) == 0) {
12311 media_types |= ((phy->media_type &
12312 PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
12313 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
12316 REG_WR(bp, sync_offset, media_types);
12318 bnx2x_phy_def_cfg(params, phy, phy_index);
12319 params->num_phys++;
12322 DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
12326 static void bnx2x_init_bmac_loopback(struct link_params *params,
12327 struct link_vars *vars)
12329 struct bnx2x *bp = params->bp;
12331 vars->line_speed = SPEED_10000;
12332 vars->duplex = DUPLEX_FULL;
12333 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12334 vars->mac_type = MAC_TYPE_BMAC;
12336 vars->phy_flags = PHY_XGXS_FLAG;
12338 bnx2x_xgxs_deassert(params);
12340 /* Set bmac loopback */
12341 bnx2x_bmac_enable(params, vars, 1, 1);
12343 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12346 static void bnx2x_init_emac_loopback(struct link_params *params,
12347 struct link_vars *vars)
12349 struct bnx2x *bp = params->bp;
12351 vars->line_speed = SPEED_1000;
12352 vars->duplex = DUPLEX_FULL;
12353 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12354 vars->mac_type = MAC_TYPE_EMAC;
12356 vars->phy_flags = PHY_XGXS_FLAG;
12358 bnx2x_xgxs_deassert(params);
12359 /* Set bmac loopback */
12360 bnx2x_emac_enable(params, vars, 1);
12361 bnx2x_emac_program(params, vars);
12362 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12365 static void bnx2x_init_xmac_loopback(struct link_params *params,
12366 struct link_vars *vars)
12368 struct bnx2x *bp = params->bp;
12370 if (!params->req_line_speed[0])
12371 vars->line_speed = SPEED_10000;
12373 vars->line_speed = params->req_line_speed[0];
12374 vars->duplex = DUPLEX_FULL;
12375 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12376 vars->mac_type = MAC_TYPE_XMAC;
12377 vars->phy_flags = PHY_XGXS_FLAG;
12378 /* Set WC to loopback mode since link is required to provide clock
12379 * to the XMAC in 20G mode
12381 bnx2x_set_aer_mmd(params, ¶ms->phy[0]);
12382 bnx2x_warpcore_reset_lane(bp, ¶ms->phy[0], 0);
12383 params->phy[INT_PHY].config_loopback(
12384 ¶ms->phy[INT_PHY],
12387 bnx2x_xmac_enable(params, vars, 1);
12388 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12391 static void bnx2x_init_umac_loopback(struct link_params *params,
12392 struct link_vars *vars)
12394 struct bnx2x *bp = params->bp;
12396 vars->line_speed = SPEED_1000;
12397 vars->duplex = DUPLEX_FULL;
12398 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12399 vars->mac_type = MAC_TYPE_UMAC;
12400 vars->phy_flags = PHY_XGXS_FLAG;
12401 bnx2x_umac_enable(params, vars, 1);
12403 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12406 static void bnx2x_init_xgxs_loopback(struct link_params *params,
12407 struct link_vars *vars)
12409 struct bnx2x *bp = params->bp;
12410 struct bnx2x_phy *int_phy = ¶ms->phy[INT_PHY];
12412 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12413 vars->duplex = DUPLEX_FULL;
12414 if (params->req_line_speed[0] == SPEED_1000)
12415 vars->line_speed = SPEED_1000;
12416 else if ((params->req_line_speed[0] == SPEED_20000) ||
12417 (int_phy->flags & FLAGS_WC_DUAL_MODE))
12418 vars->line_speed = SPEED_20000;
12420 vars->line_speed = SPEED_10000;
12422 if (!USES_WARPCORE(bp))
12423 bnx2x_xgxs_deassert(params);
12424 bnx2x_link_initialize(params, vars);
12426 if (params->req_line_speed[0] == SPEED_1000) {
12427 if (USES_WARPCORE(bp))
12428 bnx2x_umac_enable(params, vars, 0);
12430 bnx2x_emac_program(params, vars);
12431 bnx2x_emac_enable(params, vars, 0);
12434 if (USES_WARPCORE(bp))
12435 bnx2x_xmac_enable(params, vars, 0);
12437 bnx2x_bmac_enable(params, vars, 0, 1);
12440 if (params->loopback_mode == LOOPBACK_XGXS) {
12441 /* Set 10G XGXS loopback */
12442 int_phy->config_loopback(int_phy, params);
12444 /* Set external phy loopback */
12446 for (phy_index = EXT_PHY1;
12447 phy_index < params->num_phys; phy_index++)
12448 if (params->phy[phy_index].config_loopback)
12449 params->phy[phy_index].config_loopback(
12450 ¶ms->phy[phy_index],
12453 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12455 bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
12458 void bnx2x_set_rx_filter(struct link_params *params, u8 en)
12460 struct bnx2x *bp = params->bp;
12461 u8 val = en * 0x1F;
12463 /* Open / close the gate between the NIG and the BRB */
12464 if (!CHIP_IS_E1x(bp))
12466 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + params->port*4, val);
12468 if (!CHIP_IS_E1(bp)) {
12469 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + params->port*4,
12473 REG_WR(bp, (params->port ? NIG_REG_LLH1_BRB1_NOT_MCP :
12474 NIG_REG_LLH0_BRB1_NOT_MCP), en);
12476 static int bnx2x_avoid_link_flap(struct link_params *params,
12477 struct link_vars *vars)
12480 u32 dont_clear_stat, lfa_sts;
12481 struct bnx2x *bp = params->bp;
12483 bnx2x_set_mdio_emac_per_phy(bp, params);
12484 /* Sync the link parameters */
12485 bnx2x_link_status_update(params, vars);
12488 * The module verification was already done by previous link owner,
12489 * so this call is meant only to get warning message
12492 for (phy_idx = INT_PHY; phy_idx < params->num_phys; phy_idx++) {
12493 struct bnx2x_phy *phy = ¶ms->phy[phy_idx];
12494 if (phy->phy_specific_func) {
12495 DP(NETIF_MSG_LINK, "Calling PHY specific func\n");
12496 phy->phy_specific_func(phy, params, PHY_INIT);
12498 if ((phy->media_type == ETH_PHY_SFPP_10G_FIBER) ||
12499 (phy->media_type == ETH_PHY_SFP_1G_FIBER) ||
12500 (phy->media_type == ETH_PHY_DA_TWINAX))
12501 bnx2x_verify_sfp_module(phy, params);
12503 lfa_sts = REG_RD(bp, params->lfa_base +
12504 offsetof(struct shmem_lfa,
12507 dont_clear_stat = lfa_sts & SHMEM_LFA_DONT_CLEAR_STAT;
12509 /* Re-enable the NIG/MAC */
12510 if (CHIP_IS_E3(bp)) {
12511 if (!dont_clear_stat) {
12512 REG_WR(bp, GRCBASE_MISC +
12513 MISC_REGISTERS_RESET_REG_2_CLEAR,
12514 (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
12516 REG_WR(bp, GRCBASE_MISC +
12517 MISC_REGISTERS_RESET_REG_2_SET,
12518 (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
12521 if (vars->line_speed < SPEED_10000)
12522 bnx2x_umac_enable(params, vars, 0);
12524 bnx2x_xmac_enable(params, vars, 0);
12526 if (vars->line_speed < SPEED_10000)
12527 bnx2x_emac_enable(params, vars, 0);
12529 bnx2x_bmac_enable(params, vars, 0, !dont_clear_stat);
12532 /* Increment LFA count */
12533 lfa_sts = ((lfa_sts & ~LINK_FLAP_AVOIDANCE_COUNT_MASK) |
12534 (((((lfa_sts & LINK_FLAP_AVOIDANCE_COUNT_MASK) >>
12535 LINK_FLAP_AVOIDANCE_COUNT_OFFSET) + 1) & 0xff)
12536 << LINK_FLAP_AVOIDANCE_COUNT_OFFSET));
12537 /* Clear link flap reason */
12538 lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
12540 REG_WR(bp, params->lfa_base +
12541 offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
12543 /* Disable NIG DRAIN */
12544 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12546 /* Enable interrupts */
12547 bnx2x_link_int_enable(params);
12551 static void bnx2x_cannot_avoid_link_flap(struct link_params *params,
12552 struct link_vars *vars,
12555 u32 lfa_sts, cfg_idx, tmp_val;
12556 struct bnx2x *bp = params->bp;
12558 bnx2x_link_reset(params, vars, 1);
12560 if (!params->lfa_base)
12562 /* Store the new link parameters */
12563 REG_WR(bp, params->lfa_base +
12564 offsetof(struct shmem_lfa, req_duplex),
12565 params->req_duplex[0] | (params->req_duplex[1] << 16));
12567 REG_WR(bp, params->lfa_base +
12568 offsetof(struct shmem_lfa, req_flow_ctrl),
12569 params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16));
12571 REG_WR(bp, params->lfa_base +
12572 offsetof(struct shmem_lfa, req_line_speed),
12573 params->req_line_speed[0] | (params->req_line_speed[1] << 16));
12575 for (cfg_idx = 0; cfg_idx < SHMEM_LINK_CONFIG_SIZE; cfg_idx++) {
12576 REG_WR(bp, params->lfa_base +
12577 offsetof(struct shmem_lfa,
12578 speed_cap_mask[cfg_idx]),
12579 params->speed_cap_mask[cfg_idx]);
12582 tmp_val = REG_RD(bp, params->lfa_base +
12583 offsetof(struct shmem_lfa, additional_config));
12584 tmp_val &= ~REQ_FC_AUTO_ADV_MASK;
12585 tmp_val |= params->req_fc_auto_adv;
12587 REG_WR(bp, params->lfa_base +
12588 offsetof(struct shmem_lfa, additional_config), tmp_val);
12590 lfa_sts = REG_RD(bp, params->lfa_base +
12591 offsetof(struct shmem_lfa, lfa_sts));
12593 /* Clear the "Don't Clear Statistics" bit, and set reason */
12594 lfa_sts &= ~SHMEM_LFA_DONT_CLEAR_STAT;
12596 /* Set link flap reason */
12597 lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
12598 lfa_sts |= ((lfa_status & LFA_LINK_FLAP_REASON_MASK) <<
12599 LFA_LINK_FLAP_REASON_OFFSET);
12601 /* Increment link flap counter */
12602 lfa_sts = ((lfa_sts & ~LINK_FLAP_COUNT_MASK) |
12603 (((((lfa_sts & LINK_FLAP_COUNT_MASK) >>
12604 LINK_FLAP_COUNT_OFFSET) + 1) & 0xff)
12605 << LINK_FLAP_COUNT_OFFSET));
12606 REG_WR(bp, params->lfa_base +
12607 offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
12608 /* Proceed with regular link initialization */
12611 int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
12614 struct bnx2x *bp = params->bp;
12615 DP(NETIF_MSG_LINK, "Phy Initialization started\n");
12616 DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
12617 params->req_line_speed[0], params->req_flow_ctrl[0]);
12618 DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
12619 params->req_line_speed[1], params->req_flow_ctrl[1]);
12620 DP(NETIF_MSG_LINK, "req_adv_flow_ctrl 0x%x\n", params->req_fc_auto_adv);
12621 vars->link_status = 0;
12622 vars->phy_link_up = 0;
12624 vars->line_speed = 0;
12625 vars->duplex = DUPLEX_FULL;
12626 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
12627 vars->mac_type = MAC_TYPE_NONE;
12628 vars->phy_flags = 0;
12629 vars->check_kr2_recovery_cnt = 0;
12630 params->link_flags = PHY_INITIALIZED;
12631 /* Driver opens NIG-BRB filters */
12632 bnx2x_set_rx_filter(params, 1);
12633 /* Check if link flap can be avoided */
12634 lfa_status = bnx2x_check_lfa(params);
12636 if (lfa_status == 0) {
12637 DP(NETIF_MSG_LINK, "Link Flap Avoidance in progress\n");
12638 return bnx2x_avoid_link_flap(params, vars);
12641 DP(NETIF_MSG_LINK, "Cannot avoid link flap lfa_sta=0x%x\n",
12643 bnx2x_cannot_avoid_link_flap(params, vars, lfa_status);
12645 /* Disable attentions */
12646 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
12647 (NIG_MASK_XGXS0_LINK_STATUS |
12648 NIG_MASK_XGXS0_LINK10G |
12649 NIG_MASK_SERDES0_LINK_STATUS |
12652 bnx2x_emac_init(params, vars);
12654 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
12655 vars->link_status |= LINK_STATUS_PFC_ENABLED;
12657 if (params->num_phys == 0) {
12658 DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
12661 set_phy_vars(params, vars);
12663 DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
12664 switch (params->loopback_mode) {
12665 case LOOPBACK_BMAC:
12666 bnx2x_init_bmac_loopback(params, vars);
12668 case LOOPBACK_EMAC:
12669 bnx2x_init_emac_loopback(params, vars);
12671 case LOOPBACK_XMAC:
12672 bnx2x_init_xmac_loopback(params, vars);
12674 case LOOPBACK_UMAC:
12675 bnx2x_init_umac_loopback(params, vars);
12677 case LOOPBACK_XGXS:
12678 case LOOPBACK_EXT_PHY:
12679 bnx2x_init_xgxs_loopback(params, vars);
12682 if (!CHIP_IS_E3(bp)) {
12683 if (params->switch_cfg == SWITCH_CFG_10G)
12684 bnx2x_xgxs_deassert(params);
12686 bnx2x_serdes_deassert(bp, params->port);
12688 bnx2x_link_initialize(params, vars);
12690 bnx2x_link_int_enable(params);
12693 bnx2x_update_mng(params, vars->link_status);
12695 bnx2x_update_mng_eee(params, vars->eee_status);
12699 int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
12702 struct bnx2x *bp = params->bp;
12703 u8 phy_index, port = params->port, clear_latch_ind = 0;
12704 DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
12705 /* Disable attentions */
12706 vars->link_status = 0;
12707 bnx2x_update_mng(params, vars->link_status);
12708 vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
12709 SHMEM_EEE_ACTIVE_BIT);
12710 bnx2x_update_mng_eee(params, vars->eee_status);
12711 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
12712 (NIG_MASK_XGXS0_LINK_STATUS |
12713 NIG_MASK_XGXS0_LINK10G |
12714 NIG_MASK_SERDES0_LINK_STATUS |
12717 /* Activate nig drain */
12718 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
12720 /* Disable nig egress interface */
12721 if (!CHIP_IS_E3(bp)) {
12722 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
12723 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
12726 if (!CHIP_IS_E3(bp)) {
12727 bnx2x_set_bmac_rx(bp, params->chip_id, port, 0);
12729 bnx2x_set_xmac_rxtx(params, 0);
12730 bnx2x_set_umac_rxtx(params, 0);
12733 if (!CHIP_IS_E3(bp))
12734 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
12736 usleep_range(10000, 20000);
12737 /* The PHY reset is controlled by GPIO 1
12738 * Hold it as vars low
12740 /* Clear link led */
12741 bnx2x_set_mdio_emac_per_phy(bp, params);
12742 bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
12744 if (reset_ext_phy) {
12745 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
12747 if (params->phy[phy_index].link_reset) {
12748 bnx2x_set_aer_mmd(params,
12749 ¶ms->phy[phy_index]);
12750 params->phy[phy_index].link_reset(
12751 ¶ms->phy[phy_index],
12754 if (params->phy[phy_index].flags &
12755 FLAGS_REARM_LATCH_SIGNAL)
12756 clear_latch_ind = 1;
12760 if (clear_latch_ind) {
12761 /* Clear latching indication */
12762 bnx2x_rearm_latch_signal(bp, port, 0);
12763 bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
12764 1 << NIG_LATCH_BC_ENABLE_MI_INT);
12766 if (params->phy[INT_PHY].link_reset)
12767 params->phy[INT_PHY].link_reset(
12768 ¶ms->phy[INT_PHY], params);
12770 /* Disable nig ingress interface */
12771 if (!CHIP_IS_E3(bp)) {
12773 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
12774 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
12775 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
12776 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
12778 u32 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
12779 bnx2x_set_xumac_nig(params, 0, 0);
12780 if (REG_RD(bp, MISC_REG_RESET_REG_2) &
12781 MISC_REGISTERS_RESET_REG_2_XMAC)
12782 REG_WR(bp, xmac_base + XMAC_REG_CTRL,
12783 XMAC_CTRL_REG_SOFT_RESET);
12786 vars->phy_flags = 0;
12789 int bnx2x_lfa_reset(struct link_params *params,
12790 struct link_vars *vars)
12792 struct bnx2x *bp = params->bp;
12794 vars->phy_flags = 0;
12795 params->link_flags &= ~PHY_INITIALIZED;
12796 if (!params->lfa_base)
12797 return bnx2x_link_reset(params, vars, 1);
12799 * Activate NIG drain so that during this time the device won't send
12800 * anything while it is unable to response.
12802 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
12805 * Close gracefully the gate from BMAC to NIG such that no half packets
12808 if (!CHIP_IS_E3(bp))
12809 bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
12811 if (CHIP_IS_E3(bp)) {
12812 bnx2x_set_xmac_rxtx(params, 0);
12813 bnx2x_set_umac_rxtx(params, 0);
12815 /* Wait 10ms for the pipe to clean up*/
12816 usleep_range(10000, 20000);
12818 /* Clean the NIG-BRB using the network filters in a way that will
12819 * not cut a packet in the middle.
12821 bnx2x_set_rx_filter(params, 0);
12824 * Re-open the gate between the BMAC and the NIG, after verifying the
12825 * gate to the BRB is closed, otherwise packets may arrive to the
12826 * firmware before driver had initialized it. The target is to achieve
12827 * minimum management protocol down time.
12829 if (!CHIP_IS_E3(bp))
12830 bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 1);
12832 if (CHIP_IS_E3(bp)) {
12833 bnx2x_set_xmac_rxtx(params, 1);
12834 bnx2x_set_umac_rxtx(params, 1);
12836 /* Disable NIG drain */
12837 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
12841 /****************************************************************************/
12842 /* Common function */
12843 /****************************************************************************/
12844 static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
12845 u32 shmem_base_path[],
12846 u32 shmem2_base_path[], u8 phy_index,
12849 struct bnx2x_phy phy[PORT_MAX];
12850 struct bnx2x_phy *phy_blk[PORT_MAX];
12853 s8 port_of_path = 0;
12854 u32 swap_val, swap_override;
12855 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
12856 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
12857 port ^= (swap_val && swap_override);
12858 bnx2x_ext_phy_hw_reset(bp, port);
12859 /* PART1 - Reset both phys */
12860 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
12861 u32 shmem_base, shmem2_base;
12862 /* In E2, same phy is using for port0 of the two paths */
12863 if (CHIP_IS_E1x(bp)) {
12864 shmem_base = shmem_base_path[0];
12865 shmem2_base = shmem2_base_path[0];
12866 port_of_path = port;
12868 shmem_base = shmem_base_path[port];
12869 shmem2_base = shmem2_base_path[port];
12873 /* Extract the ext phy address for the port */
12874 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
12875 port_of_path, &phy[port]) !=
12877 DP(NETIF_MSG_LINK, "populate_phy failed\n");
12880 /* Disable attentions */
12881 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
12883 (NIG_MASK_XGXS0_LINK_STATUS |
12884 NIG_MASK_XGXS0_LINK10G |
12885 NIG_MASK_SERDES0_LINK_STATUS |
12888 /* Need to take the phy out of low power mode in order
12889 * to write to access its registers
12891 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
12892 MISC_REGISTERS_GPIO_OUTPUT_HIGH,
12895 /* Reset the phy */
12896 bnx2x_cl45_write(bp, &phy[port],
12902 /* Add delay of 150ms after reset */
12905 if (phy[PORT_0].addr & 0x1) {
12906 phy_blk[PORT_0] = &(phy[PORT_1]);
12907 phy_blk[PORT_1] = &(phy[PORT_0]);
12909 phy_blk[PORT_0] = &(phy[PORT_0]);
12910 phy_blk[PORT_1] = &(phy[PORT_1]);
12913 /* PART2 - Download firmware to both phys */
12914 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
12915 if (CHIP_IS_E1x(bp))
12916 port_of_path = port;
12920 DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
12921 phy_blk[port]->addr);
12922 if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
12926 /* Only set bit 10 = 1 (Tx power down) */
12927 bnx2x_cl45_read(bp, phy_blk[port],
12929 MDIO_PMA_REG_TX_POWER_DOWN, &val);
12931 /* Phase1 of TX_POWER_DOWN reset */
12932 bnx2x_cl45_write(bp, phy_blk[port],
12934 MDIO_PMA_REG_TX_POWER_DOWN,
12938 /* Toggle Transmitter: Power down and then up with 600ms delay
12943 /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
12944 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
12945 /* Phase2 of POWER_DOWN_RESET */
12946 /* Release bit 10 (Release Tx power down) */
12947 bnx2x_cl45_read(bp, phy_blk[port],
12949 MDIO_PMA_REG_TX_POWER_DOWN, &val);
12951 bnx2x_cl45_write(bp, phy_blk[port],
12953 MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
12954 usleep_range(15000, 30000);
12956 /* Read modify write the SPI-ROM version select register */
12957 bnx2x_cl45_read(bp, phy_blk[port],
12959 MDIO_PMA_REG_EDC_FFE_MAIN, &val);
12960 bnx2x_cl45_write(bp, phy_blk[port],
12962 MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
12964 /* set GPIO2 back to LOW */
12965 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
12966 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
12970 static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
12971 u32 shmem_base_path[],
12972 u32 shmem2_base_path[], u8 phy_index,
12977 struct bnx2x_phy phy;
12978 /* Use port1 because of the static port-swap */
12979 /* Enable the module detection interrupt */
12980 val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
12981 val |= ((1<<MISC_REGISTERS_GPIO_3)|
12982 (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
12983 REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
12985 bnx2x_ext_phy_hw_reset(bp, 0);
12986 usleep_range(5000, 10000);
12987 for (port = 0; port < PORT_MAX; port++) {
12988 u32 shmem_base, shmem2_base;
12990 /* In E2, same phy is using for port0 of the two paths */
12991 if (CHIP_IS_E1x(bp)) {
12992 shmem_base = shmem_base_path[0];
12993 shmem2_base = shmem2_base_path[0];
12995 shmem_base = shmem_base_path[port];
12996 shmem2_base = shmem2_base_path[port];
12998 /* Extract the ext phy address for the port */
12999 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
13002 DP(NETIF_MSG_LINK, "populate phy failed\n");
13007 bnx2x_cl45_write(bp, &phy,
13008 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
13011 /* Set fault module detected LED on */
13012 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
13013 MISC_REGISTERS_GPIO_HIGH,
13019 static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
13020 u8 *io_gpio, u8 *io_port)
13023 u32 phy_gpio_reset = REG_RD(bp, shmem_base +
13024 offsetof(struct shmem_region,
13025 dev_info.port_hw_config[PORT_0].default_cfg));
13026 switch (phy_gpio_reset) {
13027 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
13031 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
13035 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
13039 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
13043 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
13047 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
13051 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
13055 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
13060 /* Don't override the io_gpio and io_port */
13065 static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
13066 u32 shmem_base_path[],
13067 u32 shmem2_base_path[], u8 phy_index,
13070 s8 port, reset_gpio;
13071 u32 swap_val, swap_override;
13072 struct bnx2x_phy phy[PORT_MAX];
13073 struct bnx2x_phy *phy_blk[PORT_MAX];
13075 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
13076 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
13078 reset_gpio = MISC_REGISTERS_GPIO_1;
13081 /* Retrieve the reset gpio/port which control the reset.
13082 * Default is GPIO1, PORT1
13084 bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
13085 (u8 *)&reset_gpio, (u8 *)&port);
13087 /* Calculate the port based on port swap */
13088 port ^= (swap_val && swap_override);
13090 /* Initiate PHY reset*/
13091 bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
13093 usleep_range(1000, 2000);
13094 bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
13097 usleep_range(5000, 10000);
13099 /* PART1 - Reset both phys */
13100 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
13101 u32 shmem_base, shmem2_base;
13103 /* In E2, same phy is using for port0 of the two paths */
13104 if (CHIP_IS_E1x(bp)) {
13105 shmem_base = shmem_base_path[0];
13106 shmem2_base = shmem2_base_path[0];
13107 port_of_path = port;
13109 shmem_base = shmem_base_path[port];
13110 shmem2_base = shmem2_base_path[port];
13114 /* Extract the ext phy address for the port */
13115 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
13116 port_of_path, &phy[port]) !=
13118 DP(NETIF_MSG_LINK, "populate phy failed\n");
13121 /* disable attentions */
13122 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
13124 (NIG_MASK_XGXS0_LINK_STATUS |
13125 NIG_MASK_XGXS0_LINK10G |
13126 NIG_MASK_SERDES0_LINK_STATUS |
13130 /* Reset the phy */
13131 bnx2x_cl45_write(bp, &phy[port],
13132 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
13135 /* Add delay of 150ms after reset */
13137 if (phy[PORT_0].addr & 0x1) {
13138 phy_blk[PORT_0] = &(phy[PORT_1]);
13139 phy_blk[PORT_1] = &(phy[PORT_0]);
13141 phy_blk[PORT_0] = &(phy[PORT_0]);
13142 phy_blk[PORT_1] = &(phy[PORT_1]);
13144 /* PART2 - Download firmware to both phys */
13145 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
13146 if (CHIP_IS_E1x(bp))
13147 port_of_path = port;
13150 DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
13151 phy_blk[port]->addr);
13152 if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
13155 /* Disable PHY transmitter output */
13156 bnx2x_cl45_write(bp, phy_blk[port],
13158 MDIO_PMA_REG_TX_DISABLE, 1);
13164 static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
13165 u32 shmem_base_path[],
13166 u32 shmem2_base_path[],
13171 reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
13172 bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
13174 bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
13175 DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
13180 static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
13181 u32 shmem2_base_path[], u8 phy_index,
13182 u32 ext_phy_type, u32 chip_id)
13186 switch (ext_phy_type) {
13187 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
13188 rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
13190 phy_index, chip_id);
13192 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
13193 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
13194 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
13195 rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
13197 phy_index, chip_id);
13200 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
13201 /* GPIO1 affects both ports, so there's need to pull
13202 * it for single port alone
13204 rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
13206 phy_index, chip_id);
13208 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
13209 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
13210 /* GPIO3's are linked, and so both need to be toggled
13211 * to obtain required 2us pulse.
13213 rc = bnx2x_84833_common_init_phy(bp, shmem_base_path,
13215 phy_index, chip_id);
13217 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
13222 "ext_phy 0x%x common init not required\n",
13228 netdev_err(bp->dev, "Warning: PHY was not initialized,"
13234 int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
13235 u32 shmem2_base_path[], u32 chip_id)
13240 u32 ext_phy_type, ext_phy_config;
13242 bnx2x_set_mdio_clk(bp, chip_id, GRCBASE_EMAC0);
13243 bnx2x_set_mdio_clk(bp, chip_id, GRCBASE_EMAC1);
13244 DP(NETIF_MSG_LINK, "Begin common phy init\n");
13245 if (CHIP_IS_E3(bp)) {
13247 val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
13248 REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
13250 /* Check if common init was already done */
13251 phy_ver = REG_RD(bp, shmem_base_path[0] +
13252 offsetof(struct shmem_region,
13253 port_mb[PORT_0].ext_phy_fw_version));
13255 DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
13260 /* Read the ext_phy_type for arbitrary port(0) */
13261 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
13263 ext_phy_config = bnx2x_get_ext_phy_config(bp,
13264 shmem_base_path[0],
13266 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
13267 rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
13269 phy_index, ext_phy_type,
13275 static void bnx2x_check_over_curr(struct link_params *params,
13276 struct link_vars *vars)
13278 struct bnx2x *bp = params->bp;
13280 u8 port = params->port;
13283 cfg_pin = (REG_RD(bp, params->shmem_base +
13284 offsetof(struct shmem_region,
13285 dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
13286 PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
13287 PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
13289 /* Ignore check if no external input PIN available */
13290 if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
13294 if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
13295 netdev_err(bp->dev, "Error: Power fault on Port %d has"
13296 " been detected and the power to "
13297 "that SFP+ module has been removed"
13298 " to prevent failure of the card."
13299 " Please remove the SFP+ module and"
13300 " restart the system to clear this"
13303 vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
13304 bnx2x_warpcore_power_module(params, 0);
13307 vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
13310 /* Returns 0 if no change occured since last check; 1 otherwise. */
13311 static u8 bnx2x_analyze_link_error(struct link_params *params,
13312 struct link_vars *vars, u32 status,
13313 u32 phy_flag, u32 link_flag, u8 notify)
13315 struct bnx2x *bp = params->bp;
13316 /* Compare new value with previous value */
13318 u32 old_status = (vars->phy_flags & phy_flag) ? 1 : 0;
13320 if ((status ^ old_status) == 0)
13323 /* If values differ */
13324 switch (phy_flag) {
13325 case PHY_HALF_OPEN_CONN_FLAG:
13326 DP(NETIF_MSG_LINK, "Analyze Remote Fault\n");
13328 case PHY_SFP_TX_FAULT_FLAG:
13329 DP(NETIF_MSG_LINK, "Analyze TX Fault\n");
13332 DP(NETIF_MSG_LINK, "Analyze UNKNOWN\n");
13334 DP(NETIF_MSG_LINK, "Link changed:[%x %x]->%x\n", vars->link_up,
13335 old_status, status);
13337 /* Do not touch the link in case physical link down */
13338 if ((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0)
13341 /* a. Update shmem->link_status accordingly
13342 * b. Update link_vars->link_up
13345 vars->link_status &= ~LINK_STATUS_LINK_UP;
13346 vars->link_status |= link_flag;
13348 vars->phy_flags |= phy_flag;
13350 /* activate nig drain */
13351 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
13352 /* Set LED mode to off since the PHY doesn't know about these
13355 led_mode = LED_MODE_OFF;
13357 vars->link_status |= LINK_STATUS_LINK_UP;
13358 vars->link_status &= ~link_flag;
13360 vars->phy_flags &= ~phy_flag;
13361 led_mode = LED_MODE_OPER;
13363 /* Clear nig drain */
13364 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
13366 bnx2x_sync_link(params, vars);
13367 /* Update the LED according to the link state */
13368 bnx2x_set_led(params, vars, led_mode, SPEED_10000);
13370 /* Update link status in the shared memory */
13371 bnx2x_update_mng(params, vars->link_status);
13373 /* C. Trigger General Attention */
13374 vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
13376 bnx2x_notify_link_changed(bp);
13381 /******************************************************************************
13383 * This function checks for half opened connection change indication.
13384 * When such change occurs, it calls the bnx2x_analyze_link_error
13385 * to check if Remote Fault is set or cleared. Reception of remote fault
13386 * status message in the MAC indicates that the peer's MAC has detected
13387 * a fault, for example, due to break in the TX side of fiber.
13389 ******************************************************************************/
13390 static int bnx2x_check_half_open_conn(struct link_params *params,
13391 struct link_vars *vars,
13394 struct bnx2x *bp = params->bp;
13395 u32 lss_status = 0;
13397 /* In case link status is physically up @ 10G do */
13398 if (((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0) ||
13399 (REG_RD(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4)))
13402 if (CHIP_IS_E3(bp) &&
13403 (REG_RD(bp, MISC_REG_RESET_REG_2) &
13404 (MISC_REGISTERS_RESET_REG_2_XMAC))) {
13405 /* Check E3 XMAC */
13406 /* Note that link speed cannot be queried here, since it may be
13407 * zero while link is down. In case UMAC is active, LSS will
13408 * simply not be set
13410 mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
13412 /* Clear stick bits (Requires rising edge) */
13413 REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
13414 REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
13415 XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
13416 XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
13417 if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
13420 bnx2x_analyze_link_error(params, vars, lss_status,
13421 PHY_HALF_OPEN_CONN_FLAG,
13422 LINK_STATUS_NONE, notify);
13423 } else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
13424 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
13425 /* Check E1X / E2 BMAC */
13426 u32 lss_status_reg;
13428 mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
13429 NIG_REG_INGRESS_BMAC0_MEM;
13430 /* Read BIGMAC_REGISTER_RX_LSS_STATUS */
13431 if (CHIP_IS_E2(bp))
13432 lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
13434 lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
13436 REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
13437 lss_status = (wb_data[0] > 0);
13439 bnx2x_analyze_link_error(params, vars, lss_status,
13440 PHY_HALF_OPEN_CONN_FLAG,
13441 LINK_STATUS_NONE, notify);
13445 static void bnx2x_sfp_tx_fault_detection(struct bnx2x_phy *phy,
13446 struct link_params *params,
13447 struct link_vars *vars)
13449 struct bnx2x *bp = params->bp;
13450 u32 cfg_pin, value = 0;
13451 u8 led_change, port = params->port;
13453 /* Get The SFP+ TX_Fault controlling pin ([eg]pio) */
13454 cfg_pin = (REG_RD(bp, params->shmem_base + offsetof(struct shmem_region,
13455 dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
13456 PORT_HW_CFG_E3_TX_FAULT_MASK) >>
13457 PORT_HW_CFG_E3_TX_FAULT_SHIFT;
13459 if (bnx2x_get_cfg_pin(bp, cfg_pin, &value)) {
13460 DP(NETIF_MSG_LINK, "Failed to read pin 0x%02x\n", cfg_pin);
13464 led_change = bnx2x_analyze_link_error(params, vars, value,
13465 PHY_SFP_TX_FAULT_FLAG,
13466 LINK_STATUS_SFP_TX_FAULT, 1);
13469 /* Change TX_Fault led, set link status for further syncs */
13472 if (vars->phy_flags & PHY_SFP_TX_FAULT_FLAG) {
13473 led_mode = MISC_REGISTERS_GPIO_HIGH;
13474 vars->link_status |= LINK_STATUS_SFP_TX_FAULT;
13476 led_mode = MISC_REGISTERS_GPIO_LOW;
13477 vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
13480 /* If module is unapproved, led should be on regardless */
13481 if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
13482 DP(NETIF_MSG_LINK, "Change TX_Fault LED: ->%x\n",
13484 bnx2x_set_e3_module_fault_led(params, led_mode);
13488 static void bnx2x_kr2_recovery(struct link_params *params,
13489 struct link_vars *vars,
13490 struct bnx2x_phy *phy)
13492 struct bnx2x *bp = params->bp;
13493 DP(NETIF_MSG_LINK, "KR2 recovery\n");
13494 bnx2x_warpcore_enable_AN_KR2(phy, params, vars);
13495 bnx2x_warpcore_restart_AN_KR(phy, params);
13498 static void bnx2x_check_kr2_wa(struct link_params *params,
13499 struct link_vars *vars,
13500 struct bnx2x_phy *phy)
13502 struct bnx2x *bp = params->bp;
13503 u16 base_page, next_page, not_kr2_device, lane;
13506 /* Once KR2 was disabled, wait 5 seconds before checking KR2 recovery
13507 * Since some switches tend to reinit the AN process and clear the
13508 * the advertised BP/NP after ~2 seconds causing the KR2 to be disabled
13509 * and recovered many times
13511 if (vars->check_kr2_recovery_cnt > 0) {
13512 vars->check_kr2_recovery_cnt--;
13516 sigdet = bnx2x_warpcore_get_sigdet(phy, params);
13518 if (!(params->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
13519 bnx2x_kr2_recovery(params, vars, phy);
13520 DP(NETIF_MSG_LINK, "No sigdet\n");
13525 lane = bnx2x_get_warpcore_lane(phy, params);
13526 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
13527 MDIO_AER_BLOCK_AER_REG, lane);
13528 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
13529 MDIO_AN_REG_LP_AUTO_NEG, &base_page);
13530 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
13531 MDIO_AN_REG_LP_AUTO_NEG2, &next_page);
13532 bnx2x_set_aer_mmd(params, phy);
13534 /* CL73 has not begun yet */
13535 if (base_page == 0) {
13536 if (!(params->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
13537 bnx2x_kr2_recovery(params, vars, phy);
13538 DP(NETIF_MSG_LINK, "No BP\n");
13543 /* In case NP bit is not set in the BasePage, or it is set,
13544 * but only KX is advertised, declare this link partner as non-KR2
13547 not_kr2_device = (((base_page & 0x8000) == 0) ||
13548 (((base_page & 0x8000) &&
13549 ((next_page & 0xe0) == 0x20))));
13551 /* In case KR2 is already disabled, check if we need to re-enable it */
13552 if (!(params->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
13553 if (!not_kr2_device) {
13554 DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page,
13556 bnx2x_kr2_recovery(params, vars, phy);
13560 /* KR2 is enabled, but not KR2 device */
13561 if (not_kr2_device) {
13562 /* Disable KR2 on both lanes */
13563 DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page, next_page);
13564 bnx2x_disable_kr2(params, vars, phy);
13565 /* Restart AN on leading lane */
13566 bnx2x_warpcore_restart_AN_KR(phy, params);
13571 void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
13574 struct bnx2x *bp = params->bp;
13575 for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
13576 if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
13577 bnx2x_set_aer_mmd(params, ¶ms->phy[phy_idx]);
13578 if (bnx2x_check_half_open_conn(params, vars, 1) !=
13580 DP(NETIF_MSG_LINK, "Fault detection failed\n");
13585 if (CHIP_IS_E3(bp)) {
13586 struct bnx2x_phy *phy = ¶ms->phy[INT_PHY];
13587 bnx2x_set_aer_mmd(params, phy);
13588 if ((phy->supported & SUPPORTED_20000baseKR2_Full) &&
13589 (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G))
13590 bnx2x_check_kr2_wa(params, vars, phy);
13591 bnx2x_check_over_curr(params, vars);
13592 if (vars->rx_tx_asic_rst)
13593 bnx2x_warpcore_config_runtime(phy, params, vars);
13595 if ((REG_RD(bp, params->shmem_base +
13596 offsetof(struct shmem_region, dev_info.
13597 port_hw_config[params->port].default_cfg))
13598 & PORT_HW_CFG_NET_SERDES_IF_MASK) ==
13599 PORT_HW_CFG_NET_SERDES_IF_SFI) {
13600 if (bnx2x_is_sfp_module_plugged(phy, params)) {
13601 bnx2x_sfp_tx_fault_detection(phy, params, vars);
13602 } else if (vars->link_status &
13603 LINK_STATUS_SFP_TX_FAULT) {
13604 /* Clean trail, interrupt corrects the leds */
13605 vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
13606 vars->phy_flags &= ~PHY_SFP_TX_FAULT_FLAG;
13607 /* Update link status in the shared memory */
13608 bnx2x_update_mng(params, vars->link_status);
13614 u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
13619 u8 phy_index, fan_failure_det_req = 0;
13620 struct bnx2x_phy phy;
13621 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
13623 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
13626 DP(NETIF_MSG_LINK, "populate phy failed\n");
13629 fan_failure_det_req |= (phy.flags &
13630 FLAGS_FAN_FAILURE_DET_REQ);
13632 return fan_failure_det_req;
13635 void bnx2x_hw_reset_phy(struct link_params *params)
13638 struct bnx2x *bp = params->bp;
13639 bnx2x_update_mng(params, 0);
13640 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
13641 (NIG_MASK_XGXS0_LINK_STATUS |
13642 NIG_MASK_XGXS0_LINK10G |
13643 NIG_MASK_SERDES0_LINK_STATUS |
13646 for (phy_index = INT_PHY; phy_index < MAX_PHYS;
13648 if (params->phy[phy_index].hw_reset) {
13649 params->phy[phy_index].hw_reset(
13650 ¶ms->phy[phy_index],
13652 params->phy[phy_index] = phy_null;
13657 void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
13658 u32 chip_id, u32 shmem_base, u32 shmem2_base,
13661 u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
13663 u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
13664 if (CHIP_IS_E3(bp)) {
13665 if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
13672 struct bnx2x_phy phy;
13673 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
13675 if (bnx2x_populate_phy(bp, phy_index, shmem_base,
13676 shmem2_base, port, &phy)
13678 DP(NETIF_MSG_LINK, "populate phy failed\n");
13681 if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
13682 gpio_num = MISC_REGISTERS_GPIO_3;
13689 if (gpio_num == 0xff)
13692 /* Set GPIO3 to trigger SFP+ module insertion/removal */
13693 bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
13695 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
13696 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
13697 gpio_port ^= (swap_val && swap_override);
13699 vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
13700 (gpio_num + (gpio_port << 2));
13702 sync_offset = shmem_base +
13703 offsetof(struct shmem_region,
13704 dev_info.port_hw_config[port].aeu_int_mask);
13705 REG_WR(bp, sync_offset, vars->aeu_int_mask);
13707 DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
13708 gpio_num, gpio_port, vars->aeu_int_mask);
13711 offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
13713 offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
13715 /* Open appropriate AEU for interrupts */
13716 aeu_mask = REG_RD(bp, offset);
13717 aeu_mask |= vars->aeu_int_mask;
13718 REG_WR(bp, offset, aeu_mask);
13720 /* Enable the GPIO to trigger interrupt */
13721 val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
13722 val |= 1 << (gpio_num + (gpio_port << 2));
13723 REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);