1 /* Copyright 2008-2013 Broadcom Corporation 2 * 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"). 7 * 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 11 * consent. 12 * 13 * Written by Yaniv Rosner 14 * 15 */ 16 17 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt 18 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> 26 27 #include "bnx2x.h" 28 #include "bnx2x_cmn.h" 29 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, 33 u8 *o_buf, u8); 34 /********************************************************/ 35 #define ETH_HLEN 14 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 42 #define WC_LANE_MAX 4 43 #define I2C_SWITCH_WIDTH 2 44 #define I2C_BSC0 0 45 #define I2C_BSC1 1 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 50 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 /***********************************************************/ 57 58 #define NIG_LATCH_BC_ENABLE_MI_INT 0 59 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 78 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) 82 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) 89 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) 95 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 104 105 #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 144 145 #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) 155 156 #define SFP_EEPROM_CON_TYPE_ADDR 0x2 157 #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7 158 #define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21 159 #define SFP_EEPROM_CON_TYPE_VAL_RJ45 0x22 160 161 162 #define SFP_EEPROM_COMP_CODE_ADDR 0x3 163 #define SFP_EEPROM_COMP_CODE_SR_MASK (1<<4) 164 #define SFP_EEPROM_COMP_CODE_LR_MASK (1<<5) 165 #define SFP_EEPROM_COMP_CODE_LRM_MASK (1<<6) 166 167 #define SFP_EEPROM_FC_TX_TECH_ADDR 0x8 168 #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4 169 #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8 170 171 #define SFP_EEPROM_OPTIONS_ADDR 0x40 172 #define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1 173 #define SFP_EEPROM_OPTIONS_SIZE 2 174 175 #define EDC_MODE_LINEAR 0x0022 176 #define EDC_MODE_LIMITING 0x0044 177 #define EDC_MODE_PASSIVE_DAC 0x0055 178 #define EDC_MODE_ACTIVE_DAC 0x0066 179 180 /* ETS defines*/ 181 #define DCBX_INVALID_COS (0xFF) 182 183 #define ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000) 184 #define ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000) 185 #define ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS (1360) 186 #define ETS_E3B0_NIG_MIN_W_VAL_20GBPS (2720) 187 #define ETS_E3B0_PBF_MIN_W_VAL (10000) 188 189 #define MAX_PACKET_SIZE (9700) 190 #define MAX_KR_LINK_RETRY 4 191 192 /**********************************************************/ 193 /* INTERFACE */ 194 /**********************************************************/ 195 196 #define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \ 197 bnx2x_cl45_write(_bp, _phy, \ 198 (_phy)->def_md_devad, \ 199 (_bank + (_addr & 0xf)), \ 200 _val) 201 202 #define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \ 203 bnx2x_cl45_read(_bp, _phy, \ 204 (_phy)->def_md_devad, \ 205 (_bank + (_addr & 0xf)), \ 206 _val) 207 208 static int bnx2x_check_half_open_conn(struct link_params *params, 209 struct link_vars *vars, u8 notify); 210 static int bnx2x_sfp_module_detection(struct bnx2x_phy *phy, 211 struct link_params *params); 212 213 static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits) 214 { 215 u32 val = REG_RD(bp, reg); 216 217 val |= bits; 218 REG_WR(bp, reg, val); 219 return val; 220 } 221 222 static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits) 223 { 224 u32 val = REG_RD(bp, reg); 225 226 val &= ~bits; 227 REG_WR(bp, reg, val); 228 return val; 229 } 230 231 /* 232 * bnx2x_check_lfa - This function checks if link reinitialization is required, 233 * or link flap can be avoided. 234 * 235 * @params: link parameters 236 * Returns 0 if Link Flap Avoidance conditions are met otherwise, the failed 237 * condition code. 238 */ 239 static int bnx2x_check_lfa(struct link_params *params) 240 { 241 u32 link_status, cfg_idx, lfa_mask, cfg_size; 242 u32 cur_speed_cap_mask, cur_req_fc_auto_adv, additional_config; 243 u32 saved_val, req_val, eee_status; 244 struct bnx2x *bp = params->bp; 245 246 additional_config = 247 REG_RD(bp, params->lfa_base + 248 offsetof(struct shmem_lfa, additional_config)); 249 250 /* NOTE: must be first condition checked - 251 * to verify DCC bit is cleared in any case! 252 */ 253 if (additional_config & NO_LFA_DUE_TO_DCC_MASK) { 254 DP(NETIF_MSG_LINK, "No LFA due to DCC flap after clp exit\n"); 255 REG_WR(bp, params->lfa_base + 256 offsetof(struct shmem_lfa, additional_config), 257 additional_config & ~NO_LFA_DUE_TO_DCC_MASK); 258 return LFA_DCC_LFA_DISABLED; 259 } 260 261 /* Verify that link is up */ 262 link_status = REG_RD(bp, params->shmem_base + 263 offsetof(struct shmem_region, 264 port_mb[params->port].link_status)); 265 if (!(link_status & LINK_STATUS_LINK_UP)) 266 return LFA_LINK_DOWN; 267 268 /* if loaded after BOOT from SAN, don't flap the link in any case and 269 * rely on link set by preboot driver 270 */ 271 if (params->feature_config_flags & FEATURE_CONFIG_BOOT_FROM_SAN) 272 return 0; 273 274 /* Verify that loopback mode is not set */ 275 if (params->loopback_mode) 276 return LFA_LOOPBACK_ENABLED; 277 278 /* Verify that MFW supports LFA */ 279 if (!params->lfa_base) 280 return LFA_MFW_IS_TOO_OLD; 281 282 if (params->num_phys == 3) { 283 cfg_size = 2; 284 lfa_mask = 0xffffffff; 285 } else { 286 cfg_size = 1; 287 lfa_mask = 0xffff; 288 } 289 290 /* Compare Duplex */ 291 saved_val = REG_RD(bp, params->lfa_base + 292 offsetof(struct shmem_lfa, req_duplex)); 293 req_val = params->req_duplex[0] | (params->req_duplex[1] << 16); 294 if ((saved_val & lfa_mask) != (req_val & lfa_mask)) { 295 DP(NETIF_MSG_LINK, "Duplex mismatch %x vs. %x\n", 296 (saved_val & lfa_mask), (req_val & lfa_mask)); 297 return LFA_DUPLEX_MISMATCH; 298 } 299 /* Compare Flow Control */ 300 saved_val = REG_RD(bp, params->lfa_base + 301 offsetof(struct shmem_lfa, req_flow_ctrl)); 302 req_val = params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16); 303 if ((saved_val & lfa_mask) != (req_val & lfa_mask)) { 304 DP(NETIF_MSG_LINK, "Flow control mismatch %x vs. %x\n", 305 (saved_val & lfa_mask), (req_val & lfa_mask)); 306 return LFA_FLOW_CTRL_MISMATCH; 307 } 308 /* Compare Link Speed */ 309 saved_val = REG_RD(bp, params->lfa_base + 310 offsetof(struct shmem_lfa, req_line_speed)); 311 req_val = params->req_line_speed[0] | (params->req_line_speed[1] << 16); 312 if ((saved_val & lfa_mask) != (req_val & lfa_mask)) { 313 DP(NETIF_MSG_LINK, "Link speed mismatch %x vs. %x\n", 314 (saved_val & lfa_mask), (req_val & lfa_mask)); 315 return LFA_LINK_SPEED_MISMATCH; 316 } 317 318 for (cfg_idx = 0; cfg_idx < cfg_size; cfg_idx++) { 319 cur_speed_cap_mask = REG_RD(bp, params->lfa_base + 320 offsetof(struct shmem_lfa, 321 speed_cap_mask[cfg_idx])); 322 323 if (cur_speed_cap_mask != params->speed_cap_mask[cfg_idx]) { 324 DP(NETIF_MSG_LINK, "Speed Cap mismatch %x vs. %x\n", 325 cur_speed_cap_mask, 326 params->speed_cap_mask[cfg_idx]); 327 return LFA_SPEED_CAP_MISMATCH; 328 } 329 } 330 331 cur_req_fc_auto_adv = 332 REG_RD(bp, params->lfa_base + 333 offsetof(struct shmem_lfa, additional_config)) & 334 REQ_FC_AUTO_ADV_MASK; 335 336 if ((u16)cur_req_fc_auto_adv != params->req_fc_auto_adv) { 337 DP(NETIF_MSG_LINK, "Flow Ctrl AN mismatch %x vs. %x\n", 338 cur_req_fc_auto_adv, params->req_fc_auto_adv); 339 return LFA_FLOW_CTRL_MISMATCH; 340 } 341 342 eee_status = REG_RD(bp, params->shmem2_base + 343 offsetof(struct shmem2_region, 344 eee_status[params->port])); 345 346 if (((eee_status & SHMEM_EEE_LPI_REQUESTED_BIT) ^ 347 (params->eee_mode & EEE_MODE_ENABLE_LPI)) || 348 ((eee_status & SHMEM_EEE_REQUESTED_BIT) ^ 349 (params->eee_mode & EEE_MODE_ADV_LPI))) { 350 DP(NETIF_MSG_LINK, "EEE mismatch %x vs. %x\n", params->eee_mode, 351 eee_status); 352 return LFA_EEE_MISMATCH; 353 } 354 355 /* LFA conditions are met */ 356 return 0; 357 } 358 /******************************************************************/ 359 /* EPIO/GPIO section */ 360 /******************************************************************/ 361 static void bnx2x_get_epio(struct bnx2x *bp, u32 epio_pin, u32 *en) 362 { 363 u32 epio_mask, gp_oenable; 364 *en = 0; 365 /* Sanity check */ 366 if (epio_pin > 31) { 367 DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to get\n", epio_pin); 368 return; 369 } 370 371 epio_mask = 1 << epio_pin; 372 /* Set this EPIO to output */ 373 gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE); 374 REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable & ~epio_mask); 375 376 *en = (REG_RD(bp, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin; 377 } 378 static void bnx2x_set_epio(struct bnx2x *bp, u32 epio_pin, u32 en) 379 { 380 u32 epio_mask, gp_output, gp_oenable; 381 382 /* Sanity check */ 383 if (epio_pin > 31) { 384 DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to set\n", epio_pin); 385 return; 386 } 387 DP(NETIF_MSG_LINK, "Setting EPIO pin %d to %d\n", epio_pin, en); 388 epio_mask = 1 << epio_pin; 389 /* Set this EPIO to output */ 390 gp_output = REG_RD(bp, MCP_REG_MCPR_GP_OUTPUTS); 391 if (en) 392 gp_output |= epio_mask; 393 else 394 gp_output &= ~epio_mask; 395 396 REG_WR(bp, MCP_REG_MCPR_GP_OUTPUTS, gp_output); 397 398 /* Set the value for this EPIO */ 399 gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE); 400 REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable | epio_mask); 401 } 402 403 static void bnx2x_set_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 val) 404 { 405 if (pin_cfg == PIN_CFG_NA) 406 return; 407 if (pin_cfg >= PIN_CFG_EPIO0) { 408 bnx2x_set_epio(bp, pin_cfg - PIN_CFG_EPIO0, val); 409 } else { 410 u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3; 411 u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2; 412 bnx2x_set_gpio(bp, gpio_num, (u8)val, gpio_port); 413 } 414 } 415 416 static u32 bnx2x_get_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 *val) 417 { 418 if (pin_cfg == PIN_CFG_NA) 419 return -EINVAL; 420 if (pin_cfg >= PIN_CFG_EPIO0) { 421 bnx2x_get_epio(bp, pin_cfg - PIN_CFG_EPIO0, val); 422 } else { 423 u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3; 424 u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2; 425 *val = bnx2x_get_gpio(bp, gpio_num, gpio_port); 426 } 427 return 0; 428 429 } 430 /******************************************************************/ 431 /* ETS section */ 432 /******************************************************************/ 433 static void bnx2x_ets_e2e3a0_disabled(struct link_params *params) 434 { 435 /* ETS disabled configuration*/ 436 struct bnx2x *bp = params->bp; 437 438 DP(NETIF_MSG_LINK, "ETS E2E3 disabled configuration\n"); 439 440 /* mapping between entry priority to client number (0,1,2 -debug and 441 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST) 442 * 3bits client num. 443 * PRI4 | PRI3 | PRI2 | PRI1 | PRI0 444 * cos1-100 cos0-011 dbg1-010 dbg0-001 MCP-000 445 */ 446 447 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688); 448 /* Bitmap of 5bits length. Each bit specifies whether the entry behaves 449 * as strict. Bits 0,1,2 - debug and management entries, 3 - 450 * COS0 entry, 4 - COS1 entry. 451 * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT 452 * bit4 bit3 bit2 bit1 bit0 453 * MCP and debug are strict 454 */ 455 456 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7); 457 /* defines which entries (clients) are subjected to WFQ arbitration */ 458 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0); 459 /* For strict priority entries defines the number of consecutive 460 * slots for the highest priority. 461 */ 462 REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100); 463 /* mapping between the CREDIT_WEIGHT registers and actual client 464 * numbers 465 */ 466 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0); 467 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0); 468 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0); 469 470 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0); 471 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0); 472 REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0); 473 /* ETS mode disable */ 474 REG_WR(bp, PBF_REG_ETS_ENABLED, 0); 475 /* If ETS mode is enabled (there is no strict priority) defines a WFQ 476 * weight for COS0/COS1. 477 */ 478 REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710); 479 REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710); 480 /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */ 481 REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680); 482 REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680); 483 /* Defines the number of consecutive slots for the strict priority */ 484 REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0); 485 } 486 /****************************************************************************** 487 * Description: 488 * Getting min_w_val will be set according to line speed . 489 *. 490 ******************************************************************************/ 491 static u32 bnx2x_ets_get_min_w_val_nig(const struct link_vars *vars) 492 { 493 u32 min_w_val = 0; 494 /* Calculate min_w_val.*/ 495 if (vars->link_up) { 496 if (vars->line_speed == SPEED_20000) 497 min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS; 498 else 499 min_w_val = ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS; 500 } else 501 min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS; 502 /* If the link isn't up (static configuration for example ) The 503 * link will be according to 20GBPS. 504 */ 505 return min_w_val; 506 } 507 /****************************************************************************** 508 * Description: 509 * Getting credit upper bound form min_w_val. 510 *. 511 ******************************************************************************/ 512 static u32 bnx2x_ets_get_credit_upper_bound(const u32 min_w_val) 513 { 514 const u32 credit_upper_bound = (u32)MAXVAL((150 * min_w_val), 515 MAX_PACKET_SIZE); 516 return credit_upper_bound; 517 } 518 /****************************************************************************** 519 * Description: 520 * Set credit upper bound for NIG. 521 *. 522 ******************************************************************************/ 523 static void bnx2x_ets_e3b0_set_credit_upper_bound_nig( 524 const struct link_params *params, 525 const u32 min_w_val) 526 { 527 struct bnx2x *bp = params->bp; 528 const u8 port = params->port; 529 const u32 credit_upper_bound = 530 bnx2x_ets_get_credit_upper_bound(min_w_val); 531 532 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_0 : 533 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, credit_upper_bound); 534 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_1 : 535 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, credit_upper_bound); 536 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_2 : 537 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_2, credit_upper_bound); 538 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_3 : 539 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_3, credit_upper_bound); 540 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_4 : 541 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_4, credit_upper_bound); 542 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 : 543 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5, credit_upper_bound); 544 545 if (!port) { 546 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6, 547 credit_upper_bound); 548 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7, 549 credit_upper_bound); 550 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8, 551 credit_upper_bound); 552 } 553 } 554 /****************************************************************************** 555 * Description: 556 * Will return the NIG ETS registers to init values.Except 557 * credit_upper_bound. 558 * That isn't used in this configuration (No WFQ is enabled) and will be 559 * configured acording to spec 560 *. 561 ******************************************************************************/ 562 static void bnx2x_ets_e3b0_nig_disabled(const struct link_params *params, 563 const struct link_vars *vars) 564 { 565 struct bnx2x *bp = params->bp; 566 const u8 port = params->port; 567 const u32 min_w_val = bnx2x_ets_get_min_w_val_nig(vars); 568 /* Mapping between entry priority to client number (0,1,2 -debug and 569 * management clients, 3 - COS0 client, 4 - COS1, ... 8 - 570 * COS5)(HIGHEST) 4bits client num.TODO_ETS - Should be done by 571 * reset value or init tool 572 */ 573 if (port) { 574 REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 0x543210); 575 REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB, 0x0); 576 } else { 577 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 0x76543210); 578 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 0x8); 579 } 580 /* For strict priority entries defines the number of consecutive 581 * slots for the highest priority. 582 */ 583 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS : 584 NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100); 585 /* Mapping between the CREDIT_WEIGHT registers and actual client 586 * numbers 587 */ 588 if (port) { 589 /*Port 1 has 6 COS*/ 590 REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 0x210543); 591 REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x0); 592 } else { 593 /*Port 0 has 9 COS*/ 594 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 595 0x43210876); 596 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5); 597 } 598 599 /* Bitmap of 5bits length. Each bit specifies whether the entry behaves 600 * as strict. Bits 0,1,2 - debug and management entries, 3 - 601 * COS0 entry, 4 - COS1 entry. 602 * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT 603 * bit4 bit3 bit2 bit1 bit0 604 * MCP and debug are strict 605 */ 606 if (port) 607 REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f); 608 else 609 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1ff); 610 /* defines which entries (clients) are subjected to WFQ arbitration */ 611 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ : 612 NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0); 613 614 /* Please notice the register address are note continuous and a 615 * for here is note appropriate.In 2 port mode port0 only COS0-5 616 * can be used. DEBUG1,DEBUG1,MGMT are never used for WFQ* In 4 617 * port mode port1 only COS0-2 can be used. DEBUG1,DEBUG1,MGMT 618 * are never used for WFQ 619 */ 620 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 : 621 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0x0); 622 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 : 623 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0x0); 624 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 : 625 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2, 0x0); 626 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_3 : 627 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3, 0x0); 628 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_4 : 629 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4, 0x0); 630 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 : 631 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5, 0x0); 632 if (!port) { 633 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6, 0x0); 634 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7, 0x0); 635 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8, 0x0); 636 } 637 638 bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val); 639 } 640 /****************************************************************************** 641 * Description: 642 * Set credit upper bound for PBF. 643 *. 644 ******************************************************************************/ 645 static void bnx2x_ets_e3b0_set_credit_upper_bound_pbf( 646 const struct link_params *params, 647 const u32 min_w_val) 648 { 649 struct bnx2x *bp = params->bp; 650 const u32 credit_upper_bound = 651 bnx2x_ets_get_credit_upper_bound(min_w_val); 652 const u8 port = params->port; 653 u32 base_upper_bound = 0; 654 u8 max_cos = 0; 655 u8 i = 0; 656 /* In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4 657 * port mode port1 has COS0-2 that can be used for WFQ. 658 */ 659 if (!port) { 660 base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0; 661 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0; 662 } else { 663 base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1; 664 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1; 665 } 666 667 for (i = 0; i < max_cos; i++) 668 REG_WR(bp, base_upper_bound + (i << 2), credit_upper_bound); 669 } 670 671 /****************************************************************************** 672 * Description: 673 * Will return the PBF ETS registers to init values.Except 674 * credit_upper_bound. 675 * That isn't used in this configuration (No WFQ is enabled) and will be 676 * configured acording to spec 677 *. 678 ******************************************************************************/ 679 static void bnx2x_ets_e3b0_pbf_disabled(const struct link_params *params) 680 { 681 struct bnx2x *bp = params->bp; 682 const u8 port = params->port; 683 const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL; 684 u8 i = 0; 685 u32 base_weight = 0; 686 u8 max_cos = 0; 687 688 /* Mapping between entry priority to client number 0 - COS0 689 * client, 2 - COS1, ... 5 - COS5)(HIGHEST) 4bits client num. 690 * TODO_ETS - Should be done by reset value or init tool 691 */ 692 if (port) 693 /* 0x688 (|011|0 10|00 1|000) */ 694 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , 0x688); 695 else 696 /* (10 1|100 |011|0 10|00 1|000) */ 697 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , 0x2C688); 698 699 /* TODO_ETS - Should be done by reset value or init tool */ 700 if (port) 701 /* 0x688 (|011|0 10|00 1|000)*/ 702 REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688); 703 else 704 /* 0x2C688 (10 1|100 |011|0 10|00 1|000) */ 705 REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688); 706 707 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P1 : 708 PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P0 , 0x100); 709 710 711 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 : 712 PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , 0); 713 714 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 : 715 PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0 , 0); 716 /* In 2 port mode port0 has COS0-5 that can be used for WFQ. 717 * In 4 port mode port1 has COS0-2 that can be used for WFQ. 718 */ 719 if (!port) { 720 base_weight = PBF_REG_COS0_WEIGHT_P0; 721 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0; 722 } else { 723 base_weight = PBF_REG_COS0_WEIGHT_P1; 724 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1; 725 } 726 727 for (i = 0; i < max_cos; i++) 728 REG_WR(bp, base_weight + (0x4 * i), 0); 729 730 bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf); 731 } 732 /****************************************************************************** 733 * Description: 734 * E3B0 disable will return basicly the values to init values. 735 *. 736 ******************************************************************************/ 737 static int bnx2x_ets_e3b0_disabled(const struct link_params *params, 738 const struct link_vars *vars) 739 { 740 struct bnx2x *bp = params->bp; 741 742 if (!CHIP_IS_E3B0(bp)) { 743 DP(NETIF_MSG_LINK, 744 "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n"); 745 return -EINVAL; 746 } 747 748 bnx2x_ets_e3b0_nig_disabled(params, vars); 749 750 bnx2x_ets_e3b0_pbf_disabled(params); 751 752 return 0; 753 } 754 755 /****************************************************************************** 756 * Description: 757 * Disable will return basicly the values to init values. 758 * 759 ******************************************************************************/ 760 int bnx2x_ets_disabled(struct link_params *params, 761 struct link_vars *vars) 762 { 763 struct bnx2x *bp = params->bp; 764 int bnx2x_status = 0; 765 766 if ((CHIP_IS_E2(bp)) || (CHIP_IS_E3A0(bp))) 767 bnx2x_ets_e2e3a0_disabled(params); 768 else if (CHIP_IS_E3B0(bp)) 769 bnx2x_status = bnx2x_ets_e3b0_disabled(params, vars); 770 else { 771 DP(NETIF_MSG_LINK, "bnx2x_ets_disabled - chip not supported\n"); 772 return -EINVAL; 773 } 774 775 return bnx2x_status; 776 } 777 778 /****************************************************************************** 779 * Description 780 * Set the COS mappimg to SP and BW until this point all the COS are not 781 * set as SP or BW. 782 ******************************************************************************/ 783 static int bnx2x_ets_e3b0_cli_map(const struct link_params *params, 784 const struct bnx2x_ets_params *ets_params, 785 const u8 cos_sp_bitmap, 786 const u8 cos_bw_bitmap) 787 { 788 struct bnx2x *bp = params->bp; 789 const u8 port = params->port; 790 const u8 nig_cli_sp_bitmap = 0x7 | (cos_sp_bitmap << 3); 791 const u8 pbf_cli_sp_bitmap = cos_sp_bitmap; 792 const u8 nig_cli_subject2wfq_bitmap = cos_bw_bitmap << 3; 793 const u8 pbf_cli_subject2wfq_bitmap = cos_bw_bitmap; 794 795 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT : 796 NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, nig_cli_sp_bitmap); 797 798 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 : 799 PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , pbf_cli_sp_bitmap); 800 801 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ : 802 NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 803 nig_cli_subject2wfq_bitmap); 804 805 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 : 806 PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0, 807 pbf_cli_subject2wfq_bitmap); 808 809 return 0; 810 } 811 812 /****************************************************************************** 813 * Description: 814 * This function is needed because NIG ARB_CREDIT_WEIGHT_X are 815 * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable. 816 ******************************************************************************/ 817 static int bnx2x_ets_e3b0_set_cos_bw(struct bnx2x *bp, 818 const u8 cos_entry, 819 const u32 min_w_val_nig, 820 const u32 min_w_val_pbf, 821 const u16 total_bw, 822 const u8 bw, 823 const u8 port) 824 { 825 u32 nig_reg_adress_crd_weight = 0; 826 u32 pbf_reg_adress_crd_weight = 0; 827 /* Calculate and set BW for this COS - use 1 instead of 0 for BW */ 828 const u32 cos_bw_nig = ((bw ? bw : 1) * min_w_val_nig) / total_bw; 829 const u32 cos_bw_pbf = ((bw ? bw : 1) * min_w_val_pbf) / total_bw; 830 831 switch (cos_entry) { 832 case 0: 833 nig_reg_adress_crd_weight = 834 (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 : 835 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0; 836 pbf_reg_adress_crd_weight = (port) ? 837 PBF_REG_COS0_WEIGHT_P1 : PBF_REG_COS0_WEIGHT_P0; 838 break; 839 case 1: 840 nig_reg_adress_crd_weight = (port) ? 841 NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 : 842 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1; 843 pbf_reg_adress_crd_weight = (port) ? 844 PBF_REG_COS1_WEIGHT_P1 : PBF_REG_COS1_WEIGHT_P0; 845 break; 846 case 2: 847 nig_reg_adress_crd_weight = (port) ? 848 NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 : 849 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2; 850 851 pbf_reg_adress_crd_weight = (port) ? 852 PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0; 853 break; 854 case 3: 855 if (port) 856 return -EINVAL; 857 nig_reg_adress_crd_weight = 858 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3; 859 pbf_reg_adress_crd_weight = 860 PBF_REG_COS3_WEIGHT_P0; 861 break; 862 case 4: 863 if (port) 864 return -EINVAL; 865 nig_reg_adress_crd_weight = 866 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4; 867 pbf_reg_adress_crd_weight = PBF_REG_COS4_WEIGHT_P0; 868 break; 869 case 5: 870 if (port) 871 return -EINVAL; 872 nig_reg_adress_crd_weight = 873 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5; 874 pbf_reg_adress_crd_weight = PBF_REG_COS5_WEIGHT_P0; 875 break; 876 } 877 878 REG_WR(bp, nig_reg_adress_crd_weight, cos_bw_nig); 879 880 REG_WR(bp, pbf_reg_adress_crd_weight, cos_bw_pbf); 881 882 return 0; 883 } 884 /****************************************************************************** 885 * Description: 886 * Calculate the total BW.A value of 0 isn't legal. 887 * 888 ******************************************************************************/ 889 static int bnx2x_ets_e3b0_get_total_bw( 890 const struct link_params *params, 891 struct bnx2x_ets_params *ets_params, 892 u16 *total_bw) 893 { 894 struct bnx2x *bp = params->bp; 895 u8 cos_idx = 0; 896 u8 is_bw_cos_exist = 0; 897 898 *total_bw = 0 ; 899 /* Calculate total BW requested */ 900 for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) { 901 if (ets_params->cos[cos_idx].state == bnx2x_cos_state_bw) { 902 is_bw_cos_exist = 1; 903 if (!ets_params->cos[cos_idx].params.bw_params.bw) { 904 DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config BW" 905 "was set to 0\n"); 906 /* This is to prevent a state when ramrods 907 * can't be sent 908 */ 909 ets_params->cos[cos_idx].params.bw_params.bw 910 = 1; 911 } 912 *total_bw += 913 ets_params->cos[cos_idx].params.bw_params.bw; 914 } 915 } 916 917 /* Check total BW is valid */ 918 if ((is_bw_cos_exist == 1) && (*total_bw != 100)) { 919 if (*total_bw == 0) { 920 DP(NETIF_MSG_LINK, 921 "bnx2x_ets_E3B0_config total BW shouldn't be 0\n"); 922 return -EINVAL; 923 } 924 DP(NETIF_MSG_LINK, 925 "bnx2x_ets_E3B0_config total BW should be 100\n"); 926 /* We can handle a case whre the BW isn't 100 this can happen 927 * if the TC are joined. 928 */ 929 } 930 return 0; 931 } 932 933 /****************************************************************************** 934 * Description: 935 * Invalidate all the sp_pri_to_cos. 936 * 937 ******************************************************************************/ 938 static void bnx2x_ets_e3b0_sp_pri_to_cos_init(u8 *sp_pri_to_cos) 939 { 940 u8 pri = 0; 941 for (pri = 0; pri < DCBX_MAX_NUM_COS; pri++) 942 sp_pri_to_cos[pri] = DCBX_INVALID_COS; 943 } 944 /****************************************************************************** 945 * Description: 946 * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers 947 * according to sp_pri_to_cos. 948 * 949 ******************************************************************************/ 950 static int bnx2x_ets_e3b0_sp_pri_to_cos_set(const struct link_params *params, 951 u8 *sp_pri_to_cos, const u8 pri, 952 const u8 cos_entry) 953 { 954 struct bnx2x *bp = params->bp; 955 const u8 port = params->port; 956 const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 : 957 DCBX_E3B0_MAX_NUM_COS_PORT0; 958 959 if (pri >= max_num_of_cos) { 960 DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid " 961 "parameter Illegal strict priority\n"); 962 return -EINVAL; 963 } 964 965 if (sp_pri_to_cos[pri] != DCBX_INVALID_COS) { 966 DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid " 967 "parameter There can't be two COS's with " 968 "the same strict pri\n"); 969 return -EINVAL; 970 } 971 972 sp_pri_to_cos[pri] = cos_entry; 973 return 0; 974 975 } 976 977 /****************************************************************************** 978 * Description: 979 * Returns the correct value according to COS and priority in 980 * the sp_pri_cli register. 981 * 982 ******************************************************************************/ 983 static u64 bnx2x_e3b0_sp_get_pri_cli_reg(const u8 cos, const u8 cos_offset, 984 const u8 pri_set, 985 const u8 pri_offset, 986 const u8 entry_size) 987 { 988 u64 pri_cli_nig = 0; 989 pri_cli_nig = ((u64)(cos + cos_offset)) << (entry_size * 990 (pri_set + pri_offset)); 991 992 return pri_cli_nig; 993 } 994 /****************************************************************************** 995 * Description: 996 * Returns the correct value according to COS and priority in the 997 * sp_pri_cli register for NIG. 998 * 999 ******************************************************************************/ 1000 static u64 bnx2x_e3b0_sp_get_pri_cli_reg_nig(const u8 cos, const u8 pri_set) 1001 { 1002 /* MCP Dbg0 and dbg1 are always with higher strict pri*/ 1003 const u8 nig_cos_offset = 3; 1004 const u8 nig_pri_offset = 3; 1005 1006 return bnx2x_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set, 1007 nig_pri_offset, 4); 1008 1009 } 1010 /****************************************************************************** 1011 * Description: 1012 * Returns the correct value according to COS and priority in the 1013 * sp_pri_cli register for PBF. 1014 * 1015 ******************************************************************************/ 1016 static u64 bnx2x_e3b0_sp_get_pri_cli_reg_pbf(const u8 cos, const u8 pri_set) 1017 { 1018 const u8 pbf_cos_offset = 0; 1019 const u8 pbf_pri_offset = 0; 1020 1021 return bnx2x_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set, 1022 pbf_pri_offset, 3); 1023 1024 } 1025 1026 /****************************************************************************** 1027 * Description: 1028 * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers 1029 * according to sp_pri_to_cos.(which COS has higher priority) 1030 * 1031 ******************************************************************************/ 1032 static int bnx2x_ets_e3b0_sp_set_pri_cli_reg(const struct link_params *params, 1033 u8 *sp_pri_to_cos) 1034 { 1035 struct bnx2x *bp = params->bp; 1036 u8 i = 0; 1037 const u8 port = params->port; 1038 /* MCP Dbg0 and dbg1 are always with higher strict pri*/ 1039 u64 pri_cli_nig = 0x210; 1040 u32 pri_cli_pbf = 0x0; 1041 u8 pri_set = 0; 1042 u8 pri_bitmask = 0; 1043 const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 : 1044 DCBX_E3B0_MAX_NUM_COS_PORT0; 1045 1046 u8 cos_bit_to_set = (1 << max_num_of_cos) - 1; 1047 1048 /* Set all the strict priority first */ 1049 for (i = 0; i < max_num_of_cos; i++) { 1050 if (sp_pri_to_cos[i] != DCBX_INVALID_COS) { 1051 if (sp_pri_to_cos[i] >= DCBX_MAX_NUM_COS) { 1052 DP(NETIF_MSG_LINK, 1053 "bnx2x_ets_e3b0_sp_set_pri_cli_reg " 1054 "invalid cos entry\n"); 1055 return -EINVAL; 1056 } 1057 1058 pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig( 1059 sp_pri_to_cos[i], pri_set); 1060 1061 pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf( 1062 sp_pri_to_cos[i], pri_set); 1063 pri_bitmask = 1 << sp_pri_to_cos[i]; 1064 /* COS is used remove it from bitmap.*/ 1065 if (!(pri_bitmask & cos_bit_to_set)) { 1066 DP(NETIF_MSG_LINK, 1067 "bnx2x_ets_e3b0_sp_set_pri_cli_reg " 1068 "invalid There can't be two COS's with" 1069 " the same strict pri\n"); 1070 return -EINVAL; 1071 } 1072 cos_bit_to_set &= ~pri_bitmask; 1073 pri_set++; 1074 } 1075 } 1076 1077 /* Set all the Non strict priority i= COS*/ 1078 for (i = 0; i < max_num_of_cos; i++) { 1079 pri_bitmask = 1 << i; 1080 /* Check if COS was already used for SP */ 1081 if (pri_bitmask & cos_bit_to_set) { 1082 /* COS wasn't used for SP */ 1083 pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig( 1084 i, pri_set); 1085 1086 pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf( 1087 i, pri_set); 1088 /* COS is used remove it from bitmap.*/ 1089 cos_bit_to_set &= ~pri_bitmask; 1090 pri_set++; 1091 } 1092 } 1093 1094 if (pri_set != max_num_of_cos) { 1095 DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_set_pri_cli_reg not all " 1096 "entries were set\n"); 1097 return -EINVAL; 1098 } 1099 1100 if (port) { 1101 /* Only 6 usable clients*/ 1102 REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 1103 (u32)pri_cli_nig); 1104 1105 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf); 1106 } else { 1107 /* Only 9 usable clients*/ 1108 const u32 pri_cli_nig_lsb = (u32) (pri_cli_nig); 1109 const u32 pri_cli_nig_msb = (u32) ((pri_cli_nig >> 32) & 0xF); 1110 1111 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 1112 pri_cli_nig_lsb); 1113 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 1114 pri_cli_nig_msb); 1115 1116 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf); 1117 } 1118 return 0; 1119 } 1120 1121 /****************************************************************************** 1122 * Description: 1123 * Configure the COS to ETS according to BW and SP settings. 1124 ******************************************************************************/ 1125 int bnx2x_ets_e3b0_config(const struct link_params *params, 1126 const struct link_vars *vars, 1127 struct bnx2x_ets_params *ets_params) 1128 { 1129 struct bnx2x *bp = params->bp; 1130 int bnx2x_status = 0; 1131 const u8 port = params->port; 1132 u16 total_bw = 0; 1133 const u32 min_w_val_nig = bnx2x_ets_get_min_w_val_nig(vars); 1134 const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL; 1135 u8 cos_bw_bitmap = 0; 1136 u8 cos_sp_bitmap = 0; 1137 u8 sp_pri_to_cos[DCBX_MAX_NUM_COS] = {0}; 1138 const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 : 1139 DCBX_E3B0_MAX_NUM_COS_PORT0; 1140 u8 cos_entry = 0; 1141 1142 if (!CHIP_IS_E3B0(bp)) { 1143 DP(NETIF_MSG_LINK, 1144 "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n"); 1145 return -EINVAL; 1146 } 1147 1148 if ((ets_params->num_of_cos > max_num_of_cos)) { 1149 DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config the number of COS " 1150 "isn't supported\n"); 1151 return -EINVAL; 1152 } 1153 1154 /* Prepare sp strict priority parameters*/ 1155 bnx2x_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos); 1156 1157 /* Prepare BW parameters*/ 1158 bnx2x_status = bnx2x_ets_e3b0_get_total_bw(params, ets_params, 1159 &total_bw); 1160 if (bnx2x_status) { 1161 DP(NETIF_MSG_LINK, 1162 "bnx2x_ets_E3B0_config get_total_bw failed\n"); 1163 return -EINVAL; 1164 } 1165 1166 /* Upper bound is set according to current link speed (min_w_val 1167 * should be the same for upper bound and COS credit val). 1168 */ 1169 bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig); 1170 bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf); 1171 1172 1173 for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) { 1174 if (bnx2x_cos_state_bw == ets_params->cos[cos_entry].state) { 1175 cos_bw_bitmap |= (1 << cos_entry); 1176 /* The function also sets the BW in HW(not the mappin 1177 * yet) 1178 */ 1179 bnx2x_status = bnx2x_ets_e3b0_set_cos_bw( 1180 bp, cos_entry, min_w_val_nig, min_w_val_pbf, 1181 total_bw, 1182 ets_params->cos[cos_entry].params.bw_params.bw, 1183 port); 1184 } else if (bnx2x_cos_state_strict == 1185 ets_params->cos[cos_entry].state){ 1186 cos_sp_bitmap |= (1 << cos_entry); 1187 1188 bnx2x_status = bnx2x_ets_e3b0_sp_pri_to_cos_set( 1189 params, 1190 sp_pri_to_cos, 1191 ets_params->cos[cos_entry].params.sp_params.pri, 1192 cos_entry); 1193 1194 } else { 1195 DP(NETIF_MSG_LINK, 1196 "bnx2x_ets_e3b0_config cos state not valid\n"); 1197 return -EINVAL; 1198 } 1199 if (bnx2x_status) { 1200 DP(NETIF_MSG_LINK, 1201 "bnx2x_ets_e3b0_config set cos bw failed\n"); 1202 return bnx2x_status; 1203 } 1204 } 1205 1206 /* Set SP register (which COS has higher priority) */ 1207 bnx2x_status = bnx2x_ets_e3b0_sp_set_pri_cli_reg(params, 1208 sp_pri_to_cos); 1209 1210 if (bnx2x_status) { 1211 DP(NETIF_MSG_LINK, 1212 "bnx2x_ets_E3B0_config set_pri_cli_reg failed\n"); 1213 return bnx2x_status; 1214 } 1215 1216 /* Set client mapping of BW and strict */ 1217 bnx2x_status = bnx2x_ets_e3b0_cli_map(params, ets_params, 1218 cos_sp_bitmap, 1219 cos_bw_bitmap); 1220 1221 if (bnx2x_status) { 1222 DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n"); 1223 return bnx2x_status; 1224 } 1225 return 0; 1226 } 1227 static void bnx2x_ets_bw_limit_common(const struct link_params *params) 1228 { 1229 /* ETS disabled configuration */ 1230 struct bnx2x *bp = params->bp; 1231 DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n"); 1232 /* Defines which entries (clients) are subjected to WFQ arbitration 1233 * COS0 0x8 1234 * COS1 0x10 1235 */ 1236 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18); 1237 /* Mapping between the ARB_CREDIT_WEIGHT registers and actual 1238 * client numbers (WEIGHT_0 does not actually have to represent 1239 * client 0) 1240 * PRI4 | PRI3 | PRI2 | PRI1 | PRI0 1241 * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010 1242 */ 1243 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A); 1244 1245 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 1246 ETS_BW_LIMIT_CREDIT_UPPER_BOUND); 1247 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 1248 ETS_BW_LIMIT_CREDIT_UPPER_BOUND); 1249 1250 /* ETS mode enabled*/ 1251 REG_WR(bp, PBF_REG_ETS_ENABLED, 1); 1252 1253 /* Defines the number of consecutive slots for the strict priority */ 1254 REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0); 1255 /* Bitmap of 5bits length. Each bit specifies whether the entry behaves 1256 * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0 1257 * entry, 4 - COS1 entry. 1258 * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT 1259 * bit4 bit3 bit2 bit1 bit0 1260 * MCP and debug are strict 1261 */ 1262 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7); 1263 1264 /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/ 1265 REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 1266 ETS_BW_LIMIT_CREDIT_UPPER_BOUND); 1267 REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 1268 ETS_BW_LIMIT_CREDIT_UPPER_BOUND); 1269 } 1270 1271 void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw, 1272 const u32 cos1_bw) 1273 { 1274 /* ETS disabled configuration*/ 1275 struct bnx2x *bp = params->bp; 1276 const u32 total_bw = cos0_bw + cos1_bw; 1277 u32 cos0_credit_weight = 0; 1278 u32 cos1_credit_weight = 0; 1279 1280 DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n"); 1281 1282 if ((!total_bw) || 1283 (!cos0_bw) || 1284 (!cos1_bw)) { 1285 DP(NETIF_MSG_LINK, "Total BW can't be zero\n"); 1286 return; 1287 } 1288 1289 cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/ 1290 total_bw; 1291 cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/ 1292 total_bw; 1293 1294 bnx2x_ets_bw_limit_common(params); 1295 1296 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight); 1297 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight); 1298 1299 REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight); 1300 REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight); 1301 } 1302 1303 int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos) 1304 { 1305 /* ETS disabled configuration*/ 1306 struct bnx2x *bp = params->bp; 1307 u32 val = 0; 1308 1309 DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n"); 1310 /* Bitmap of 5bits length. Each bit specifies whether the entry behaves 1311 * as strict. Bits 0,1,2 - debug and management entries, 1312 * 3 - COS0 entry, 4 - COS1 entry. 1313 * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT 1314 * bit4 bit3 bit2 bit1 bit0 1315 * MCP and debug are strict 1316 */ 1317 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F); 1318 /* For strict priority entries defines the number of consecutive slots 1319 * for the highest priority. 1320 */ 1321 REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100); 1322 /* ETS mode disable */ 1323 REG_WR(bp, PBF_REG_ETS_ENABLED, 0); 1324 /* Defines the number of consecutive slots for the strict priority */ 1325 REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100); 1326 1327 /* Defines the number of consecutive slots for the strict priority */ 1328 REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos); 1329 1330 /* Mapping between entry priority to client number (0,1,2 -debug and 1331 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST) 1332 * 3bits client num. 1333 * PRI4 | PRI3 | PRI2 | PRI1 | PRI0 1334 * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000 1335 * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000 1336 */ 1337 val = (!strict_cos) ? 0x2318 : 0x22E0; 1338 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val); 1339 1340 return 0; 1341 } 1342 1343 /******************************************************************/ 1344 /* PFC section */ 1345 /******************************************************************/ 1346 static void bnx2x_update_pfc_xmac(struct link_params *params, 1347 struct link_vars *vars, 1348 u8 is_lb) 1349 { 1350 struct bnx2x *bp = params->bp; 1351 u32 xmac_base; 1352 u32 pause_val, pfc0_val, pfc1_val; 1353 1354 /* XMAC base adrr */ 1355 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0; 1356 1357 /* Initialize pause and pfc registers */ 1358 pause_val = 0x18000; 1359 pfc0_val = 0xFFFF8000; 1360 pfc1_val = 0x2; 1361 1362 /* No PFC support */ 1363 if (!(params->feature_config_flags & 1364 FEATURE_CONFIG_PFC_ENABLED)) { 1365 1366 /* RX flow control - Process pause frame in receive direction 1367 */ 1368 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX) 1369 pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN; 1370 1371 /* TX flow control - Send pause packet when buffer is full */ 1372 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) 1373 pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN; 1374 } else {/* PFC support */ 1375 pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN | 1376 XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN | 1377 XMAC_PFC_CTRL_HI_REG_RX_PFC_EN | 1378 XMAC_PFC_CTRL_HI_REG_TX_PFC_EN | 1379 XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON; 1380 /* Write pause and PFC registers */ 1381 REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val); 1382 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val); 1383 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val); 1384 pfc1_val &= ~XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON; 1385 1386 } 1387 1388 /* Write pause and PFC registers */ 1389 REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val); 1390 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val); 1391 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val); 1392 1393 1394 /* Set MAC address for source TX Pause/PFC frames */ 1395 REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_LO, 1396 ((params->mac_addr[2] << 24) | 1397 (params->mac_addr[3] << 16) | 1398 (params->mac_addr[4] << 8) | 1399 (params->mac_addr[5]))); 1400 REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_HI, 1401 ((params->mac_addr[0] << 8) | 1402 (params->mac_addr[1]))); 1403 1404 udelay(30); 1405 } 1406 1407 /******************************************************************/ 1408 /* MAC/PBF section */ 1409 /******************************************************************/ 1410 static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id, 1411 u32 emac_base) 1412 { 1413 u32 new_mode, cur_mode; 1414 u32 clc_cnt; 1415 /* Set clause 45 mode, slow down the MDIO clock to 2.5MHz 1416 * (a value of 49==0x31) and make sure that the AUTO poll is off 1417 */ 1418 cur_mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE); 1419 1420 if (USES_WARPCORE(bp)) 1421 clc_cnt = 74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT; 1422 else 1423 clc_cnt = 49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT; 1424 1425 if (((cur_mode & EMAC_MDIO_MODE_CLOCK_CNT) == clc_cnt) && 1426 (cur_mode & (EMAC_MDIO_MODE_CLAUSE_45))) 1427 return; 1428 1429 new_mode = cur_mode & 1430 ~(EMAC_MDIO_MODE_AUTO_POLL | EMAC_MDIO_MODE_CLOCK_CNT); 1431 new_mode |= clc_cnt; 1432 new_mode |= (EMAC_MDIO_MODE_CLAUSE_45); 1433 1434 DP(NETIF_MSG_LINK, "Changing emac_mode from 0x%x to 0x%x\n", 1435 cur_mode, new_mode); 1436 REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, new_mode); 1437 udelay(40); 1438 } 1439 1440 static void bnx2x_set_mdio_emac_per_phy(struct bnx2x *bp, 1441 struct link_params *params) 1442 { 1443 u8 phy_index; 1444 /* Set mdio clock per phy */ 1445 for (phy_index = INT_PHY; phy_index < params->num_phys; 1446 phy_index++) 1447 bnx2x_set_mdio_clk(bp, params->chip_id, 1448 params->phy[phy_index].mdio_ctrl); 1449 } 1450 1451 static u8 bnx2x_is_4_port_mode(struct bnx2x *bp) 1452 { 1453 u32 port4mode_ovwr_val; 1454 /* Check 4-port override enabled */ 1455 port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR); 1456 if (port4mode_ovwr_val & (1<<0)) { 1457 /* Return 4-port mode override value */ 1458 return ((port4mode_ovwr_val & (1<<1)) == (1<<1)); 1459 } 1460 /* Return 4-port mode from input pin */ 1461 return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN); 1462 } 1463 1464 static void bnx2x_emac_init(struct link_params *params, 1465 struct link_vars *vars) 1466 { 1467 /* reset and unreset the emac core */ 1468 struct bnx2x *bp = params->bp; 1469 u8 port = params->port; 1470 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0; 1471 u32 val; 1472 u16 timeout; 1473 1474 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 1475 (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port)); 1476 udelay(5); 1477 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 1478 (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port)); 1479 1480 /* init emac - use read-modify-write */ 1481 /* self clear reset */ 1482 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE); 1483 EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET)); 1484 1485 timeout = 200; 1486 do { 1487 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE); 1488 DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val); 1489 if (!timeout) { 1490 DP(NETIF_MSG_LINK, "EMAC timeout!\n"); 1491 return; 1492 } 1493 timeout--; 1494 } while (val & EMAC_MODE_RESET); 1495 1496 bnx2x_set_mdio_emac_per_phy(bp, params); 1497 /* Set mac address */ 1498 val = ((params->mac_addr[0] << 8) | 1499 params->mac_addr[1]); 1500 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val); 1501 1502 val = ((params->mac_addr[2] << 24) | 1503 (params->mac_addr[3] << 16) | 1504 (params->mac_addr[4] << 8) | 1505 params->mac_addr[5]); 1506 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val); 1507 } 1508 1509 static void bnx2x_set_xumac_nig(struct link_params *params, 1510 u16 tx_pause_en, 1511 u8 enable) 1512 { 1513 struct bnx2x *bp = params->bp; 1514 1515 REG_WR(bp, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN, 1516 enable); 1517 REG_WR(bp, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN, 1518 enable); 1519 REG_WR(bp, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN : 1520 NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en); 1521 } 1522 1523 static void bnx2x_set_umac_rxtx(struct link_params *params, u8 en) 1524 { 1525 u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0; 1526 u32 val; 1527 struct bnx2x *bp = params->bp; 1528 if (!(REG_RD(bp, MISC_REG_RESET_REG_2) & 1529 (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port))) 1530 return; 1531 val = REG_RD(bp, umac_base + UMAC_REG_COMMAND_CONFIG); 1532 if (en) 1533 val |= (UMAC_COMMAND_CONFIG_REG_TX_ENA | 1534 UMAC_COMMAND_CONFIG_REG_RX_ENA); 1535 else 1536 val &= ~(UMAC_COMMAND_CONFIG_REG_TX_ENA | 1537 UMAC_COMMAND_CONFIG_REG_RX_ENA); 1538 /* Disable RX and TX */ 1539 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val); 1540 } 1541 1542 static void bnx2x_umac_enable(struct link_params *params, 1543 struct link_vars *vars, u8 lb) 1544 { 1545 u32 val; 1546 u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0; 1547 struct bnx2x *bp = params->bp; 1548 /* Reset UMAC */ 1549 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 1550 (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port)); 1551 usleep_range(1000, 2000); 1552 1553 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 1554 (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port)); 1555 1556 DP(NETIF_MSG_LINK, "enabling UMAC\n"); 1557 1558 /* This register opens the gate for the UMAC despite its name */ 1559 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1); 1560 1561 val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN | 1562 UMAC_COMMAND_CONFIG_REG_PAD_EN | 1563 UMAC_COMMAND_CONFIG_REG_SW_RESET | 1564 UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK; 1565 switch (vars->line_speed) { 1566 case SPEED_10: 1567 val |= (0<<2); 1568 break; 1569 case SPEED_100: 1570 val |= (1<<2); 1571 break; 1572 case SPEED_1000: 1573 val |= (2<<2); 1574 break; 1575 case SPEED_2500: 1576 val |= (3<<2); 1577 break; 1578 default: 1579 DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n", 1580 vars->line_speed); 1581 break; 1582 } 1583 if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)) 1584 val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE; 1585 1586 if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)) 1587 val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE; 1588 1589 if (vars->duplex == DUPLEX_HALF) 1590 val |= UMAC_COMMAND_CONFIG_REG_HD_ENA; 1591 1592 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val); 1593 udelay(50); 1594 1595 /* Configure UMAC for EEE */ 1596 if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) { 1597 DP(NETIF_MSG_LINK, "configured UMAC for EEE\n"); 1598 REG_WR(bp, umac_base + UMAC_REG_UMAC_EEE_CTRL, 1599 UMAC_UMAC_EEE_CTRL_REG_EEE_EN); 1600 REG_WR(bp, umac_base + UMAC_REG_EEE_WAKE_TIMER, 0x11); 1601 } else { 1602 REG_WR(bp, umac_base + UMAC_REG_UMAC_EEE_CTRL, 0x0); 1603 } 1604 1605 /* Set MAC address for source TX Pause/PFC frames (under SW reset) */ 1606 REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR0, 1607 ((params->mac_addr[2] << 24) | 1608 (params->mac_addr[3] << 16) | 1609 (params->mac_addr[4] << 8) | 1610 (params->mac_addr[5]))); 1611 REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR1, 1612 ((params->mac_addr[0] << 8) | 1613 (params->mac_addr[1]))); 1614 1615 /* Enable RX and TX */ 1616 val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN; 1617 val |= UMAC_COMMAND_CONFIG_REG_TX_ENA | 1618 UMAC_COMMAND_CONFIG_REG_RX_ENA; 1619 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val); 1620 udelay(50); 1621 1622 /* Remove SW Reset */ 1623 val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET; 1624 1625 /* Check loopback mode */ 1626 if (lb) 1627 val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA; 1628 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val); 1629 1630 /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame 1631 * length used by the MAC receive logic to check frames. 1632 */ 1633 REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710); 1634 bnx2x_set_xumac_nig(params, 1635 ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1); 1636 vars->mac_type = MAC_TYPE_UMAC; 1637 1638 } 1639 1640 /* Define the XMAC mode */ 1641 static void bnx2x_xmac_init(struct link_params *params, u32 max_speed) 1642 { 1643 struct bnx2x *bp = params->bp; 1644 u32 is_port4mode = bnx2x_is_4_port_mode(bp); 1645 1646 /* In 4-port mode, need to set the mode only once, so if XMAC is 1647 * already out of reset, it means the mode has already been set, 1648 * and it must not* reset the XMAC again, since it controls both 1649 * ports of the path 1650 */ 1651 1652 if (((CHIP_NUM(bp) == CHIP_NUM_57840_4_10) || 1653 (CHIP_NUM(bp) == CHIP_NUM_57840_2_20) || 1654 (CHIP_NUM(bp) == CHIP_NUM_57840_OBSOLETE)) && 1655 is_port4mode && 1656 (REG_RD(bp, MISC_REG_RESET_REG_2) & 1657 MISC_REGISTERS_RESET_REG_2_XMAC)) { 1658 DP(NETIF_MSG_LINK, 1659 "XMAC already out of reset in 4-port mode\n"); 1660 return; 1661 } 1662 1663 /* Hard reset */ 1664 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 1665 MISC_REGISTERS_RESET_REG_2_XMAC); 1666 usleep_range(1000, 2000); 1667 1668 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 1669 MISC_REGISTERS_RESET_REG_2_XMAC); 1670 if (is_port4mode) { 1671 DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n"); 1672 1673 /* Set the number of ports on the system side to up to 2 */ 1674 REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1); 1675 1676 /* Set the number of ports on the Warp Core to 10G */ 1677 REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3); 1678 } else { 1679 /* Set the number of ports on the system side to 1 */ 1680 REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0); 1681 if (max_speed == SPEED_10000) { 1682 DP(NETIF_MSG_LINK, 1683 "Init XMAC to 10G x 1 port per path\n"); 1684 /* Set the number of ports on the Warp Core to 10G */ 1685 REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3); 1686 } else { 1687 DP(NETIF_MSG_LINK, 1688 "Init XMAC to 20G x 2 ports per path\n"); 1689 /* Set the number of ports on the Warp Core to 20G */ 1690 REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1); 1691 } 1692 } 1693 /* Soft reset */ 1694 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 1695 MISC_REGISTERS_RESET_REG_2_XMAC_SOFT); 1696 usleep_range(1000, 2000); 1697 1698 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 1699 MISC_REGISTERS_RESET_REG_2_XMAC_SOFT); 1700 1701 } 1702 1703 static void bnx2x_set_xmac_rxtx(struct link_params *params, u8 en) 1704 { 1705 u8 port = params->port; 1706 struct bnx2x *bp = params->bp; 1707 u32 pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0; 1708 u32 val; 1709 1710 if (REG_RD(bp, MISC_REG_RESET_REG_2) & 1711 MISC_REGISTERS_RESET_REG_2_XMAC) { 1712 /* Send an indication to change the state in the NIG back to XON 1713 * Clearing this bit enables the next set of this bit to get 1714 * rising edge 1715 */ 1716 pfc_ctrl = REG_RD(bp, xmac_base + XMAC_REG_PFC_CTRL_HI); 1717 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, 1718 (pfc_ctrl & ~(1<<1))); 1719 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, 1720 (pfc_ctrl | (1<<1))); 1721 DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port); 1722 val = REG_RD(bp, xmac_base + XMAC_REG_CTRL); 1723 if (en) 1724 val |= (XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN); 1725 else 1726 val &= ~(XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN); 1727 REG_WR(bp, xmac_base + XMAC_REG_CTRL, val); 1728 } 1729 } 1730 1731 static int bnx2x_xmac_enable(struct link_params *params, 1732 struct link_vars *vars, u8 lb) 1733 { 1734 u32 val, xmac_base; 1735 struct bnx2x *bp = params->bp; 1736 DP(NETIF_MSG_LINK, "enabling XMAC\n"); 1737 1738 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0; 1739 1740 bnx2x_xmac_init(params, vars->line_speed); 1741 1742 /* This register determines on which events the MAC will assert 1743 * error on the i/f to the NIG along w/ EOP. 1744 */ 1745 1746 /* This register tells the NIG whether to send traffic to UMAC 1747 * or XMAC 1748 */ 1749 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0); 1750 1751 /* When XMAC is in XLGMII mode, disable sending idles for fault 1752 * detection. 1753 */ 1754 if (!(params->phy[INT_PHY].flags & FLAGS_TX_ERROR_CHECK)) { 1755 REG_WR(bp, xmac_base + XMAC_REG_RX_LSS_CTRL, 1756 (XMAC_RX_LSS_CTRL_REG_LOCAL_FAULT_DISABLE | 1757 XMAC_RX_LSS_CTRL_REG_REMOTE_FAULT_DISABLE)); 1758 REG_WR(bp, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0); 1759 REG_WR(bp, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 1760 XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS | 1761 XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS); 1762 } 1763 /* Set Max packet size */ 1764 REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710); 1765 1766 /* CRC append for Tx packets */ 1767 REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800); 1768 1769 /* update PFC */ 1770 bnx2x_update_pfc_xmac(params, vars, 0); 1771 1772 if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) { 1773 DP(NETIF_MSG_LINK, "Setting XMAC for EEE\n"); 1774 REG_WR(bp, xmac_base + XMAC_REG_EEE_TIMERS_HI, 0x1380008); 1775 REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x1); 1776 } else { 1777 REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x0); 1778 } 1779 1780 /* Enable TX and RX */ 1781 val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN; 1782 1783 /* Set MAC in XLGMII mode for dual-mode */ 1784 if ((vars->line_speed == SPEED_20000) && 1785 (params->phy[INT_PHY].supported & 1786 SUPPORTED_20000baseKR2_Full)) 1787 val |= XMAC_CTRL_REG_XLGMII_ALIGN_ENB; 1788 1789 /* Check loopback mode */ 1790 if (lb) 1791 val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK; 1792 REG_WR(bp, xmac_base + XMAC_REG_CTRL, val); 1793 bnx2x_set_xumac_nig(params, 1794 ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1); 1795 1796 vars->mac_type = MAC_TYPE_XMAC; 1797 1798 return 0; 1799 } 1800 1801 static int bnx2x_emac_enable(struct link_params *params, 1802 struct link_vars *vars, u8 lb) 1803 { 1804 struct bnx2x *bp = params->bp; 1805 u8 port = params->port; 1806 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0; 1807 u32 val; 1808 1809 DP(NETIF_MSG_LINK, "enabling EMAC\n"); 1810 1811 /* Disable BMAC */ 1812 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 1813 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port)); 1814 1815 /* enable emac and not bmac */ 1816 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1); 1817 1818 /* ASIC */ 1819 if (vars->phy_flags & PHY_XGXS_FLAG) { 1820 u32 ser_lane = ((params->lane_config & 1821 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >> 1822 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT); 1823 1824 DP(NETIF_MSG_LINK, "XGXS\n"); 1825 /* select the master lanes (out of 0-3) */ 1826 REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane); 1827 /* select XGXS */ 1828 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1); 1829 1830 } else { /* SerDes */ 1831 DP(NETIF_MSG_LINK, "SerDes\n"); 1832 /* select SerDes */ 1833 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0); 1834 } 1835 1836 bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE, 1837 EMAC_RX_MODE_RESET); 1838 bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE, 1839 EMAC_TX_MODE_RESET); 1840 1841 /* pause enable/disable */ 1842 bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE, 1843 EMAC_RX_MODE_FLOW_EN); 1844 1845 bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE, 1846 (EMAC_TX_MODE_EXT_PAUSE_EN | 1847 EMAC_TX_MODE_FLOW_EN)); 1848 if (!(params->feature_config_flags & 1849 FEATURE_CONFIG_PFC_ENABLED)) { 1850 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX) 1851 bnx2x_bits_en(bp, emac_base + 1852 EMAC_REG_EMAC_RX_MODE, 1853 EMAC_RX_MODE_FLOW_EN); 1854 1855 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) 1856 bnx2x_bits_en(bp, emac_base + 1857 EMAC_REG_EMAC_TX_MODE, 1858 (EMAC_TX_MODE_EXT_PAUSE_EN | 1859 EMAC_TX_MODE_FLOW_EN)); 1860 } else 1861 bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE, 1862 EMAC_TX_MODE_FLOW_EN); 1863 1864 /* KEEP_VLAN_TAG, promiscuous */ 1865 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE); 1866 val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS; 1867 1868 /* Setting this bit causes MAC control frames (except for pause 1869 * frames) to be passed on for processing. This setting has no 1870 * affect on the operation of the pause frames. This bit effects 1871 * all packets regardless of RX Parser packet sorting logic. 1872 * Turn the PFC off to make sure we are in Xon state before 1873 * enabling it. 1874 */ 1875 EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0); 1876 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) { 1877 DP(NETIF_MSG_LINK, "PFC is enabled\n"); 1878 /* Enable PFC again */ 1879 EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 1880 EMAC_REG_RX_PFC_MODE_RX_EN | 1881 EMAC_REG_RX_PFC_MODE_TX_EN | 1882 EMAC_REG_RX_PFC_MODE_PRIORITIES); 1883 1884 EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM, 1885 ((0x0101 << 1886 EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) | 1887 (0x00ff << 1888 EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT))); 1889 val |= EMAC_RX_MODE_KEEP_MAC_CONTROL; 1890 } 1891 EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val); 1892 1893 /* Set Loopback */ 1894 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE); 1895 if (lb) 1896 val |= 0x810; 1897 else 1898 val &= ~0x810; 1899 EMAC_WR(bp, EMAC_REG_EMAC_MODE, val); 1900 1901 /* Enable emac */ 1902 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1); 1903 1904 /* Enable emac for jumbo packets */ 1905 EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE, 1906 (EMAC_RX_MTU_SIZE_JUMBO_ENA | 1907 (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD))); 1908 1909 /* Strip CRC */ 1910 REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1); 1911 1912 /* Disable the NIG in/out to the bmac */ 1913 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0); 1914 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0); 1915 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0); 1916 1917 /* Enable the NIG in/out to the emac */ 1918 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1); 1919 val = 0; 1920 if ((params->feature_config_flags & 1921 FEATURE_CONFIG_PFC_ENABLED) || 1922 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)) 1923 val = 1; 1924 1925 REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val); 1926 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1); 1927 1928 REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0); 1929 1930 vars->mac_type = MAC_TYPE_EMAC; 1931 return 0; 1932 } 1933 1934 static void bnx2x_update_pfc_bmac1(struct link_params *params, 1935 struct link_vars *vars) 1936 { 1937 u32 wb_data[2]; 1938 struct bnx2x *bp = params->bp; 1939 u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM : 1940 NIG_REG_INGRESS_BMAC0_MEM; 1941 1942 u32 val = 0x14; 1943 if ((!(params->feature_config_flags & 1944 FEATURE_CONFIG_PFC_ENABLED)) && 1945 (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)) 1946 /* Enable BigMAC to react on received Pause packets */ 1947 val |= (1<<5); 1948 wb_data[0] = val; 1949 wb_data[1] = 0; 1950 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2); 1951 1952 /* TX control */ 1953 val = 0xc0; 1954 if (!(params->feature_config_flags & 1955 FEATURE_CONFIG_PFC_ENABLED) && 1956 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)) 1957 val |= 0x800000; 1958 wb_data[0] = val; 1959 wb_data[1] = 0; 1960 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2); 1961 } 1962 1963 static void bnx2x_update_pfc_bmac2(struct link_params *params, 1964 struct link_vars *vars, 1965 u8 is_lb) 1966 { 1967 /* Set rx control: Strip CRC and enable BigMAC to relay 1968 * control packets to the system as well 1969 */ 1970 u32 wb_data[2]; 1971 struct bnx2x *bp = params->bp; 1972 u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM : 1973 NIG_REG_INGRESS_BMAC0_MEM; 1974 u32 val = 0x14; 1975 1976 if ((!(params->feature_config_flags & 1977 FEATURE_CONFIG_PFC_ENABLED)) && 1978 (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)) 1979 /* Enable BigMAC to react on received Pause packets */ 1980 val |= (1<<5); 1981 wb_data[0] = val; 1982 wb_data[1] = 0; 1983 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2); 1984 udelay(30); 1985 1986 /* Tx control */ 1987 val = 0xc0; 1988 if (!(params->feature_config_flags & 1989 FEATURE_CONFIG_PFC_ENABLED) && 1990 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)) 1991 val |= 0x800000; 1992 wb_data[0] = val; 1993 wb_data[1] = 0; 1994 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2); 1995 1996 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) { 1997 DP(NETIF_MSG_LINK, "PFC is enabled\n"); 1998 /* Enable PFC RX & TX & STATS and set 8 COS */ 1999 wb_data[0] = 0x0; 2000 wb_data[0] |= (1<<0); /* RX */ 2001 wb_data[0] |= (1<<1); /* TX */ 2002 wb_data[0] |= (1<<2); /* Force initial Xon */ 2003 wb_data[0] |= (1<<3); /* 8 cos */ 2004 wb_data[0] |= (1<<5); /* STATS */ 2005 wb_data[1] = 0; 2006 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, 2007 wb_data, 2); 2008 /* Clear the force Xon */ 2009 wb_data[0] &= ~(1<<2); 2010 } else { 2011 DP(NETIF_MSG_LINK, "PFC is disabled\n"); 2012 /* Disable PFC RX & TX & STATS and set 8 COS */ 2013 wb_data[0] = 0x8; 2014 wb_data[1] = 0; 2015 } 2016 2017 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2); 2018 2019 /* Set Time (based unit is 512 bit time) between automatic 2020 * re-sending of PP packets amd enable automatic re-send of 2021 * Per-Priroity Packet as long as pp_gen is asserted and 2022 * pp_disable is low. 2023 */ 2024 val = 0x8000; 2025 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) 2026 val |= (1<<16); /* enable automatic re-send */ 2027 2028 wb_data[0] = val; 2029 wb_data[1] = 0; 2030 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL, 2031 wb_data, 2); 2032 2033 /* mac control */ 2034 val = 0x3; /* Enable RX and TX */ 2035 if (is_lb) { 2036 val |= 0x4; /* Local loopback */ 2037 DP(NETIF_MSG_LINK, "enable bmac loopback\n"); 2038 } 2039 /* When PFC enabled, Pass pause frames towards the NIG. */ 2040 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) 2041 val |= ((1<<6)|(1<<5)); 2042 2043 wb_data[0] = val; 2044 wb_data[1] = 0; 2045 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2); 2046 } 2047 2048 /****************************************************************************** 2049 * Description: 2050 * This function is needed because NIG ARB_CREDIT_WEIGHT_X are 2051 * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable. 2052 ******************************************************************************/ 2053 static int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp, 2054 u8 cos_entry, 2055 u32 priority_mask, u8 port) 2056 { 2057 u32 nig_reg_rx_priority_mask_add = 0; 2058 2059 switch (cos_entry) { 2060 case 0: 2061 nig_reg_rx_priority_mask_add = (port) ? 2062 NIG_REG_P1_RX_COS0_PRIORITY_MASK : 2063 NIG_REG_P0_RX_COS0_PRIORITY_MASK; 2064 break; 2065 case 1: 2066 nig_reg_rx_priority_mask_add = (port) ? 2067 NIG_REG_P1_RX_COS1_PRIORITY_MASK : 2068 NIG_REG_P0_RX_COS1_PRIORITY_MASK; 2069 break; 2070 case 2: 2071 nig_reg_rx_priority_mask_add = (port) ? 2072 NIG_REG_P1_RX_COS2_PRIORITY_MASK : 2073 NIG_REG_P0_RX_COS2_PRIORITY_MASK; 2074 break; 2075 case 3: 2076 if (port) 2077 return -EINVAL; 2078 nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK; 2079 break; 2080 case 4: 2081 if (port) 2082 return -EINVAL; 2083 nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK; 2084 break; 2085 case 5: 2086 if (port) 2087 return -EINVAL; 2088 nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK; 2089 break; 2090 } 2091 2092 REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask); 2093 2094 return 0; 2095 } 2096 static void bnx2x_update_mng(struct link_params *params, u32 link_status) 2097 { 2098 struct bnx2x *bp = params->bp; 2099 2100 REG_WR(bp, params->shmem_base + 2101 offsetof(struct shmem_region, 2102 port_mb[params->port].link_status), link_status); 2103 } 2104 2105 static void bnx2x_update_link_attr(struct link_params *params, u32 link_attr) 2106 { 2107 struct bnx2x *bp = params->bp; 2108 2109 if (SHMEM2_HAS(bp, link_attr_sync)) 2110 REG_WR(bp, params->shmem2_base + 2111 offsetof(struct shmem2_region, 2112 link_attr_sync[params->port]), link_attr); 2113 } 2114 2115 static void bnx2x_update_pfc_nig(struct link_params *params, 2116 struct link_vars *vars, 2117 struct bnx2x_nig_brb_pfc_port_params *nig_params) 2118 { 2119 u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0; 2120 u32 llfc_enable = 0, xcm_out_en = 0, hwpfc_enable = 0; 2121 u32 pkt_priority_to_cos = 0; 2122 struct bnx2x *bp = params->bp; 2123 u8 port = params->port; 2124 2125 int set_pfc = params->feature_config_flags & 2126 FEATURE_CONFIG_PFC_ENABLED; 2127 DP(NETIF_MSG_LINK, "updating pfc nig parameters\n"); 2128 2129 /* When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set 2130 * MAC control frames (that are not pause packets) 2131 * will be forwarded to the XCM. 2132 */ 2133 xcm_mask = REG_RD(bp, port ? NIG_REG_LLH1_XCM_MASK : 2134 NIG_REG_LLH0_XCM_MASK); 2135 /* NIG params will override non PFC params, since it's possible to 2136 * do transition from PFC to SAFC 2137 */ 2138 if (set_pfc) { 2139 pause_enable = 0; 2140 llfc_out_en = 0; 2141 llfc_enable = 0; 2142 if (CHIP_IS_E3(bp)) 2143 ppp_enable = 0; 2144 else 2145 ppp_enable = 1; 2146 xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN : 2147 NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN); 2148 xcm_out_en = 0; 2149 hwpfc_enable = 1; 2150 } else { 2151 if (nig_params) { 2152 llfc_out_en = nig_params->llfc_out_en; 2153 llfc_enable = nig_params->llfc_enable; 2154 pause_enable = nig_params->pause_enable; 2155 } else /* Default non PFC mode - PAUSE */ 2156 pause_enable = 1; 2157 2158 xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN : 2159 NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN); 2160 xcm_out_en = 1; 2161 } 2162 2163 if (CHIP_IS_E3(bp)) 2164 REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN : 2165 NIG_REG_BRB0_PAUSE_IN_EN, pause_enable); 2166 REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 : 2167 NIG_REG_LLFC_OUT_EN_0, llfc_out_en); 2168 REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 : 2169 NIG_REG_LLFC_ENABLE_0, llfc_enable); 2170 REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 : 2171 NIG_REG_PAUSE_ENABLE_0, pause_enable); 2172 2173 REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 : 2174 NIG_REG_PPP_ENABLE_0, ppp_enable); 2175 2176 REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK : 2177 NIG_REG_LLH0_XCM_MASK, xcm_mask); 2178 2179 REG_WR(bp, port ? NIG_REG_LLFC_EGRESS_SRC_ENABLE_1 : 2180 NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7); 2181 2182 /* Output enable for RX_XCM # IF */ 2183 REG_WR(bp, port ? NIG_REG_XCM1_OUT_EN : 2184 NIG_REG_XCM0_OUT_EN, xcm_out_en); 2185 2186 /* HW PFC TX enable */ 2187 REG_WR(bp, port ? NIG_REG_P1_HWPFC_ENABLE : 2188 NIG_REG_P0_HWPFC_ENABLE, hwpfc_enable); 2189 2190 if (nig_params) { 2191 u8 i = 0; 2192 pkt_priority_to_cos = nig_params->pkt_priority_to_cos; 2193 2194 for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++) 2195 bnx2x_pfc_nig_rx_priority_mask(bp, i, 2196 nig_params->rx_cos_priority_mask[i], port); 2197 2198 REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 : 2199 NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0, 2200 nig_params->llfc_high_priority_classes); 2201 2202 REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 : 2203 NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0, 2204 nig_params->llfc_low_priority_classes); 2205 } 2206 REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS : 2207 NIG_REG_P0_PKT_PRIORITY_TO_COS, 2208 pkt_priority_to_cos); 2209 } 2210 2211 int bnx2x_update_pfc(struct link_params *params, 2212 struct link_vars *vars, 2213 struct bnx2x_nig_brb_pfc_port_params *pfc_params) 2214 { 2215 /* The PFC and pause are orthogonal to one another, meaning when 2216 * PFC is enabled, the pause are disabled, and when PFC is 2217 * disabled, pause are set according to the pause result. 2218 */ 2219 u32 val; 2220 struct bnx2x *bp = params->bp; 2221 int bnx2x_status = 0; 2222 u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC); 2223 2224 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) 2225 vars->link_status |= LINK_STATUS_PFC_ENABLED; 2226 else 2227 vars->link_status &= ~LINK_STATUS_PFC_ENABLED; 2228 2229 bnx2x_update_mng(params, vars->link_status); 2230 2231 /* Update NIG params */ 2232 bnx2x_update_pfc_nig(params, vars, pfc_params); 2233 2234 if (!vars->link_up) 2235 return bnx2x_status; 2236 2237 DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n"); 2238 2239 if (CHIP_IS_E3(bp)) { 2240 if (vars->mac_type == MAC_TYPE_XMAC) 2241 bnx2x_update_pfc_xmac(params, vars, 0); 2242 } else { 2243 val = REG_RD(bp, MISC_REG_RESET_REG_2); 2244 if ((val & 2245 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) 2246 == 0) { 2247 DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n"); 2248 bnx2x_emac_enable(params, vars, 0); 2249 return bnx2x_status; 2250 } 2251 if (CHIP_IS_E2(bp)) 2252 bnx2x_update_pfc_bmac2(params, vars, bmac_loopback); 2253 else 2254 bnx2x_update_pfc_bmac1(params, vars); 2255 2256 val = 0; 2257 if ((params->feature_config_flags & 2258 FEATURE_CONFIG_PFC_ENABLED) || 2259 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)) 2260 val = 1; 2261 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val); 2262 } 2263 return bnx2x_status; 2264 } 2265 2266 static int bnx2x_bmac1_enable(struct link_params *params, 2267 struct link_vars *vars, 2268 u8 is_lb) 2269 { 2270 struct bnx2x *bp = params->bp; 2271 u8 port = params->port; 2272 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM : 2273 NIG_REG_INGRESS_BMAC0_MEM; 2274 u32 wb_data[2]; 2275 u32 val; 2276 2277 DP(NETIF_MSG_LINK, "Enabling BigMAC1\n"); 2278 2279 /* XGXS control */ 2280 wb_data[0] = 0x3c; 2281 wb_data[1] = 0; 2282 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL, 2283 wb_data, 2); 2284 2285 /* TX MAC SA */ 2286 wb_data[0] = ((params->mac_addr[2] << 24) | 2287 (params->mac_addr[3] << 16) | 2288 (params->mac_addr[4] << 8) | 2289 params->mac_addr[5]); 2290 wb_data[1] = ((params->mac_addr[0] << 8) | 2291 params->mac_addr[1]); 2292 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2); 2293 2294 /* MAC control */ 2295 val = 0x3; 2296 if (is_lb) { 2297 val |= 0x4; 2298 DP(NETIF_MSG_LINK, "enable bmac loopback\n"); 2299 } 2300 wb_data[0] = val; 2301 wb_data[1] = 0; 2302 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2); 2303 2304 /* Set rx mtu */ 2305 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD; 2306 wb_data[1] = 0; 2307 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2); 2308 2309 bnx2x_update_pfc_bmac1(params, vars); 2310 2311 /* Set tx mtu */ 2312 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD; 2313 wb_data[1] = 0; 2314 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2); 2315 2316 /* Set cnt max size */ 2317 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD; 2318 wb_data[1] = 0; 2319 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2); 2320 2321 /* Configure SAFC */ 2322 wb_data[0] = 0x1000200; 2323 wb_data[1] = 0; 2324 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS, 2325 wb_data, 2); 2326 2327 return 0; 2328 } 2329 2330 static int bnx2x_bmac2_enable(struct link_params *params, 2331 struct link_vars *vars, 2332 u8 is_lb) 2333 { 2334 struct bnx2x *bp = params->bp; 2335 u8 port = params->port; 2336 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM : 2337 NIG_REG_INGRESS_BMAC0_MEM; 2338 u32 wb_data[2]; 2339 2340 DP(NETIF_MSG_LINK, "Enabling BigMAC2\n"); 2341 2342 wb_data[0] = 0; 2343 wb_data[1] = 0; 2344 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2); 2345 udelay(30); 2346 2347 /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */ 2348 wb_data[0] = 0x3c; 2349 wb_data[1] = 0; 2350 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL, 2351 wb_data, 2); 2352 2353 udelay(30); 2354 2355 /* TX MAC SA */ 2356 wb_data[0] = ((params->mac_addr[2] << 24) | 2357 (params->mac_addr[3] << 16) | 2358 (params->mac_addr[4] << 8) | 2359 params->mac_addr[5]); 2360 wb_data[1] = ((params->mac_addr[0] << 8) | 2361 params->mac_addr[1]); 2362 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR, 2363 wb_data, 2); 2364 2365 udelay(30); 2366 2367 /* Configure SAFC */ 2368 wb_data[0] = 0x1000200; 2369 wb_data[1] = 0; 2370 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS, 2371 wb_data, 2); 2372 udelay(30); 2373 2374 /* Set RX MTU */ 2375 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD; 2376 wb_data[1] = 0; 2377 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2); 2378 udelay(30); 2379 2380 /* Set TX MTU */ 2381 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD; 2382 wb_data[1] = 0; 2383 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2); 2384 udelay(30); 2385 /* Set cnt max size */ 2386 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2; 2387 wb_data[1] = 0; 2388 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2); 2389 udelay(30); 2390 bnx2x_update_pfc_bmac2(params, vars, is_lb); 2391 2392 return 0; 2393 } 2394 2395 static int bnx2x_bmac_enable(struct link_params *params, 2396 struct link_vars *vars, 2397 u8 is_lb, u8 reset_bmac) 2398 { 2399 int rc = 0; 2400 u8 port = params->port; 2401 struct bnx2x *bp = params->bp; 2402 u32 val; 2403 /* Reset and unreset the BigMac */ 2404 if (reset_bmac) { 2405 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 2406 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port)); 2407 usleep_range(1000, 2000); 2408 } 2409 2410 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 2411 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port)); 2412 2413 /* Enable access for bmac registers */ 2414 REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1); 2415 2416 /* Enable BMAC according to BMAC type*/ 2417 if (CHIP_IS_E2(bp)) 2418 rc = bnx2x_bmac2_enable(params, vars, is_lb); 2419 else 2420 rc = bnx2x_bmac1_enable(params, vars, is_lb); 2421 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1); 2422 REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0); 2423 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0); 2424 val = 0; 2425 if ((params->feature_config_flags & 2426 FEATURE_CONFIG_PFC_ENABLED) || 2427 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)) 2428 val = 1; 2429 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val); 2430 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0); 2431 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0); 2432 REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0); 2433 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1); 2434 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1); 2435 2436 vars->mac_type = MAC_TYPE_BMAC; 2437 return rc; 2438 } 2439 2440 static void bnx2x_set_bmac_rx(struct bnx2x *bp, u32 chip_id, u8 port, u8 en) 2441 { 2442 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM : 2443 NIG_REG_INGRESS_BMAC0_MEM; 2444 u32 wb_data[2]; 2445 u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4); 2446 2447 if (CHIP_IS_E2(bp)) 2448 bmac_addr += BIGMAC2_REGISTER_BMAC_CONTROL; 2449 else 2450 bmac_addr += BIGMAC_REGISTER_BMAC_CONTROL; 2451 /* Only if the bmac is out of reset */ 2452 if (REG_RD(bp, MISC_REG_RESET_REG_2) & 2453 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) && 2454 nig_bmac_enable) { 2455 /* Clear Rx Enable bit in BMAC_CONTROL register */ 2456 REG_RD_DMAE(bp, bmac_addr, wb_data, 2); 2457 if (en) 2458 wb_data[0] |= BMAC_CONTROL_RX_ENABLE; 2459 else 2460 wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE; 2461 REG_WR_DMAE(bp, bmac_addr, wb_data, 2); 2462 usleep_range(1000, 2000); 2463 } 2464 } 2465 2466 static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl, 2467 u32 line_speed) 2468 { 2469 struct bnx2x *bp = params->bp; 2470 u8 port = params->port; 2471 u32 init_crd, crd; 2472 u32 count = 1000; 2473 2474 /* Disable port */ 2475 REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1); 2476 2477 /* Wait for init credit */ 2478 init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4); 2479 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8); 2480 DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd); 2481 2482 while ((init_crd != crd) && count) { 2483 usleep_range(5000, 10000); 2484 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8); 2485 count--; 2486 } 2487 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8); 2488 if (init_crd != crd) { 2489 DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n", 2490 init_crd, crd); 2491 return -EINVAL; 2492 } 2493 2494 if (flow_ctrl & BNX2X_FLOW_CTRL_RX || 2495 line_speed == SPEED_10 || 2496 line_speed == SPEED_100 || 2497 line_speed == SPEED_1000 || 2498 line_speed == SPEED_2500) { 2499 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1); 2500 /* Update threshold */ 2501 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0); 2502 /* Update init credit */ 2503 init_crd = 778; /* (800-18-4) */ 2504 2505 } else { 2506 u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE + 2507 ETH_OVREHEAD)/16; 2508 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0); 2509 /* Update threshold */ 2510 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh); 2511 /* Update init credit */ 2512 switch (line_speed) { 2513 case SPEED_10000: 2514 init_crd = thresh + 553 - 22; 2515 break; 2516 default: 2517 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n", 2518 line_speed); 2519 return -EINVAL; 2520 } 2521 } 2522 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd); 2523 DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n", 2524 line_speed, init_crd); 2525 2526 /* Probe the credit changes */ 2527 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1); 2528 usleep_range(5000, 10000); 2529 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0); 2530 2531 /* Enable port */ 2532 REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0); 2533 return 0; 2534 } 2535 2536 /** 2537 * bnx2x_get_emac_base - retrive emac base address 2538 * 2539 * @bp: driver handle 2540 * @mdc_mdio_access: access type 2541 * @port: port id 2542 * 2543 * This function selects the MDC/MDIO access (through emac0 or 2544 * emac1) depend on the mdc_mdio_access, port, port swapped. Each 2545 * phy has a default access mode, which could also be overridden 2546 * by nvram configuration. This parameter, whether this is the 2547 * default phy configuration, or the nvram overrun 2548 * configuration, is passed here as mdc_mdio_access and selects 2549 * the emac_base for the CL45 read/writes operations 2550 */ 2551 static u32 bnx2x_get_emac_base(struct bnx2x *bp, 2552 u32 mdc_mdio_access, u8 port) 2553 { 2554 u32 emac_base = 0; 2555 switch (mdc_mdio_access) { 2556 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE: 2557 break; 2558 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0: 2559 if (REG_RD(bp, NIG_REG_PORT_SWAP)) 2560 emac_base = GRCBASE_EMAC1; 2561 else 2562 emac_base = GRCBASE_EMAC0; 2563 break; 2564 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1: 2565 if (REG_RD(bp, NIG_REG_PORT_SWAP)) 2566 emac_base = GRCBASE_EMAC0; 2567 else 2568 emac_base = GRCBASE_EMAC1; 2569 break; 2570 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH: 2571 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0; 2572 break; 2573 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED: 2574 emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1; 2575 break; 2576 default: 2577 break; 2578 } 2579 return emac_base; 2580 2581 } 2582 2583 /******************************************************************/ 2584 /* CL22 access functions */ 2585 /******************************************************************/ 2586 static int bnx2x_cl22_write(struct bnx2x *bp, 2587 struct bnx2x_phy *phy, 2588 u16 reg, u16 val) 2589 { 2590 u32 tmp, mode; 2591 u8 i; 2592 int rc = 0; 2593 /* Switch to CL22 */ 2594 mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE); 2595 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, 2596 mode & ~EMAC_MDIO_MODE_CLAUSE_45); 2597 2598 /* Address */ 2599 tmp = ((phy->addr << 21) | (reg << 16) | val | 2600 EMAC_MDIO_COMM_COMMAND_WRITE_22 | 2601 EMAC_MDIO_COMM_START_BUSY); 2602 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp); 2603 2604 for (i = 0; i < 50; i++) { 2605 udelay(10); 2606 2607 tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM); 2608 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) { 2609 udelay(5); 2610 break; 2611 } 2612 } 2613 if (tmp & EMAC_MDIO_COMM_START_BUSY) { 2614 DP(NETIF_MSG_LINK, "write phy register failed\n"); 2615 rc = -EFAULT; 2616 } 2617 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode); 2618 return rc; 2619 } 2620 2621 static int bnx2x_cl22_read(struct bnx2x *bp, 2622 struct bnx2x_phy *phy, 2623 u16 reg, u16 *ret_val) 2624 { 2625 u32 val, mode; 2626 u16 i; 2627 int rc = 0; 2628 2629 /* Switch to CL22 */ 2630 mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE); 2631 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, 2632 mode & ~EMAC_MDIO_MODE_CLAUSE_45); 2633 2634 /* Address */ 2635 val = ((phy->addr << 21) | (reg << 16) | 2636 EMAC_MDIO_COMM_COMMAND_READ_22 | 2637 EMAC_MDIO_COMM_START_BUSY); 2638 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val); 2639 2640 for (i = 0; i < 50; i++) { 2641 udelay(10); 2642 2643 val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM); 2644 if (!(val & EMAC_MDIO_COMM_START_BUSY)) { 2645 *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA); 2646 udelay(5); 2647 break; 2648 } 2649 } 2650 if (val & EMAC_MDIO_COMM_START_BUSY) { 2651 DP(NETIF_MSG_LINK, "read phy register failed\n"); 2652 2653 *ret_val = 0; 2654 rc = -EFAULT; 2655 } 2656 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode); 2657 return rc; 2658 } 2659 2660 /******************************************************************/ 2661 /* CL45 access functions */ 2662 /******************************************************************/ 2663 static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy, 2664 u8 devad, u16 reg, u16 *ret_val) 2665 { 2666 u32 val; 2667 u16 i; 2668 int rc = 0; 2669 u32 chip_id; 2670 if (phy->flags & FLAGS_MDC_MDIO_WA_G) { 2671 chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) | 2672 ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12); 2673 bnx2x_set_mdio_clk(bp, chip_id, phy->mdio_ctrl); 2674 } 2675 2676 if (phy->flags & FLAGS_MDC_MDIO_WA_B0) 2677 bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS, 2678 EMAC_MDIO_STATUS_10MB); 2679 /* Address */ 2680 val = ((phy->addr << 21) | (devad << 16) | reg | 2681 EMAC_MDIO_COMM_COMMAND_ADDRESS | 2682 EMAC_MDIO_COMM_START_BUSY); 2683 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val); 2684 2685 for (i = 0; i < 50; i++) { 2686 udelay(10); 2687 2688 val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM); 2689 if (!(val & EMAC_MDIO_COMM_START_BUSY)) { 2690 udelay(5); 2691 break; 2692 } 2693 } 2694 if (val & EMAC_MDIO_COMM_START_BUSY) { 2695 DP(NETIF_MSG_LINK, "read phy register failed\n"); 2696 netdev_err(bp->dev, "MDC/MDIO access timeout\n"); 2697 *ret_val = 0; 2698 rc = -EFAULT; 2699 } else { 2700 /* Data */ 2701 val = ((phy->addr << 21) | (devad << 16) | 2702 EMAC_MDIO_COMM_COMMAND_READ_45 | 2703 EMAC_MDIO_COMM_START_BUSY); 2704 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val); 2705 2706 for (i = 0; i < 50; i++) { 2707 udelay(10); 2708 2709 val = REG_RD(bp, phy->mdio_ctrl + 2710 EMAC_REG_EMAC_MDIO_COMM); 2711 if (!(val & EMAC_MDIO_COMM_START_BUSY)) { 2712 *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA); 2713 break; 2714 } 2715 } 2716 if (val & EMAC_MDIO_COMM_START_BUSY) { 2717 DP(NETIF_MSG_LINK, "read phy register failed\n"); 2718 netdev_err(bp->dev, "MDC/MDIO access timeout\n"); 2719 *ret_val = 0; 2720 rc = -EFAULT; 2721 } 2722 } 2723 /* Work around for E3 A0 */ 2724 if (phy->flags & FLAGS_MDC_MDIO_WA) { 2725 phy->flags ^= FLAGS_DUMMY_READ; 2726 if (phy->flags & FLAGS_DUMMY_READ) { 2727 u16 temp_val; 2728 bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val); 2729 } 2730 } 2731 2732 if (phy->flags & FLAGS_MDC_MDIO_WA_B0) 2733 bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS, 2734 EMAC_MDIO_STATUS_10MB); 2735 return rc; 2736 } 2737 2738 static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy, 2739 u8 devad, u16 reg, u16 val) 2740 { 2741 u32 tmp; 2742 u8 i; 2743 int rc = 0; 2744 u32 chip_id; 2745 if (phy->flags & FLAGS_MDC_MDIO_WA_G) { 2746 chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) | 2747 ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12); 2748 bnx2x_set_mdio_clk(bp, chip_id, phy->mdio_ctrl); 2749 } 2750 2751 if (phy->flags & FLAGS_MDC_MDIO_WA_B0) 2752 bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS, 2753 EMAC_MDIO_STATUS_10MB); 2754 2755 /* Address */ 2756 tmp = ((phy->addr << 21) | (devad << 16) | reg | 2757 EMAC_MDIO_COMM_COMMAND_ADDRESS | 2758 EMAC_MDIO_COMM_START_BUSY); 2759 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp); 2760 2761 for (i = 0; i < 50; i++) { 2762 udelay(10); 2763 2764 tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM); 2765 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) { 2766 udelay(5); 2767 break; 2768 } 2769 } 2770 if (tmp & EMAC_MDIO_COMM_START_BUSY) { 2771 DP(NETIF_MSG_LINK, "write phy register failed\n"); 2772 netdev_err(bp->dev, "MDC/MDIO access timeout\n"); 2773 rc = -EFAULT; 2774 } else { 2775 /* Data */ 2776 tmp = ((phy->addr << 21) | (devad << 16) | val | 2777 EMAC_MDIO_COMM_COMMAND_WRITE_45 | 2778 EMAC_MDIO_COMM_START_BUSY); 2779 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp); 2780 2781 for (i = 0; i < 50; i++) { 2782 udelay(10); 2783 2784 tmp = REG_RD(bp, phy->mdio_ctrl + 2785 EMAC_REG_EMAC_MDIO_COMM); 2786 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) { 2787 udelay(5); 2788 break; 2789 } 2790 } 2791 if (tmp & EMAC_MDIO_COMM_START_BUSY) { 2792 DP(NETIF_MSG_LINK, "write phy register failed\n"); 2793 netdev_err(bp->dev, "MDC/MDIO access timeout\n"); 2794 rc = -EFAULT; 2795 } 2796 } 2797 /* Work around for E3 A0 */ 2798 if (phy->flags & FLAGS_MDC_MDIO_WA) { 2799 phy->flags ^= FLAGS_DUMMY_READ; 2800 if (phy->flags & FLAGS_DUMMY_READ) { 2801 u16 temp_val; 2802 bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val); 2803 } 2804 } 2805 if (phy->flags & FLAGS_MDC_MDIO_WA_B0) 2806 bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS, 2807 EMAC_MDIO_STATUS_10MB); 2808 return rc; 2809 } 2810 2811 /******************************************************************/ 2812 /* EEE section */ 2813 /******************************************************************/ 2814 static u8 bnx2x_eee_has_cap(struct link_params *params) 2815 { 2816 struct bnx2x *bp = params->bp; 2817 2818 if (REG_RD(bp, params->shmem2_base) <= 2819 offsetof(struct shmem2_region, eee_status[params->port])) 2820 return 0; 2821 2822 return 1; 2823 } 2824 2825 static int bnx2x_eee_nvram_to_time(u32 nvram_mode, u32 *idle_timer) 2826 { 2827 switch (nvram_mode) { 2828 case PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED: 2829 *idle_timer = EEE_MODE_NVRAM_BALANCED_TIME; 2830 break; 2831 case PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE: 2832 *idle_timer = EEE_MODE_NVRAM_AGGRESSIVE_TIME; 2833 break; 2834 case PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY: 2835 *idle_timer = EEE_MODE_NVRAM_LATENCY_TIME; 2836 break; 2837 default: 2838 *idle_timer = 0; 2839 break; 2840 } 2841 2842 return 0; 2843 } 2844 2845 static int bnx2x_eee_time_to_nvram(u32 idle_timer, u32 *nvram_mode) 2846 { 2847 switch (idle_timer) { 2848 case EEE_MODE_NVRAM_BALANCED_TIME: 2849 *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED; 2850 break; 2851 case EEE_MODE_NVRAM_AGGRESSIVE_TIME: 2852 *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE; 2853 break; 2854 case EEE_MODE_NVRAM_LATENCY_TIME: 2855 *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY; 2856 break; 2857 default: 2858 *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_DISABLED; 2859 break; 2860 } 2861 2862 return 0; 2863 } 2864 2865 static u32 bnx2x_eee_calc_timer(struct link_params *params) 2866 { 2867 u32 eee_mode, eee_idle; 2868 struct bnx2x *bp = params->bp; 2869 2870 if (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) { 2871 if (params->eee_mode & EEE_MODE_OUTPUT_TIME) { 2872 /* time value in eee_mode --> used directly*/ 2873 eee_idle = params->eee_mode & EEE_MODE_TIMER_MASK; 2874 } else { 2875 /* hsi value in eee_mode --> time */ 2876 if (bnx2x_eee_nvram_to_time(params->eee_mode & 2877 EEE_MODE_NVRAM_MASK, 2878 &eee_idle)) 2879 return 0; 2880 } 2881 } else { 2882 /* hsi values in nvram --> time*/ 2883 eee_mode = ((REG_RD(bp, params->shmem_base + 2884 offsetof(struct shmem_region, dev_info. 2885 port_feature_config[params->port]. 2886 eee_power_mode)) & 2887 PORT_FEAT_CFG_EEE_POWER_MODE_MASK) >> 2888 PORT_FEAT_CFG_EEE_POWER_MODE_SHIFT); 2889 2890 if (bnx2x_eee_nvram_to_time(eee_mode, &eee_idle)) 2891 return 0; 2892 } 2893 2894 return eee_idle; 2895 } 2896 2897 static int bnx2x_eee_set_timers(struct link_params *params, 2898 struct link_vars *vars) 2899 { 2900 u32 eee_idle = 0, eee_mode; 2901 struct bnx2x *bp = params->bp; 2902 2903 eee_idle = bnx2x_eee_calc_timer(params); 2904 2905 if (eee_idle) { 2906 REG_WR(bp, MISC_REG_CPMU_LP_IDLE_THR_P0 + (params->port << 2), 2907 eee_idle); 2908 } else if ((params->eee_mode & EEE_MODE_ENABLE_LPI) && 2909 (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) && 2910 (params->eee_mode & EEE_MODE_OUTPUT_TIME)) { 2911 DP(NETIF_MSG_LINK, "Error: Tx LPI is enabled with timer 0\n"); 2912 return -EINVAL; 2913 } 2914 2915 vars->eee_status &= ~(SHMEM_EEE_TIMER_MASK | SHMEM_EEE_TIME_OUTPUT_BIT); 2916 if (params->eee_mode & EEE_MODE_OUTPUT_TIME) { 2917 /* eee_idle in 1u --> eee_status in 16u */ 2918 eee_idle >>= 4; 2919 vars->eee_status |= (eee_idle & SHMEM_EEE_TIMER_MASK) | 2920 SHMEM_EEE_TIME_OUTPUT_BIT; 2921 } else { 2922 if (bnx2x_eee_time_to_nvram(eee_idle, &eee_mode)) 2923 return -EINVAL; 2924 vars->eee_status |= eee_mode; 2925 } 2926 2927 return 0; 2928 } 2929 2930 static int bnx2x_eee_initial_config(struct link_params *params, 2931 struct link_vars *vars, u8 mode) 2932 { 2933 vars->eee_status |= ((u32) mode) << SHMEM_EEE_SUPPORTED_SHIFT; 2934 2935 /* Propogate params' bits --> vars (for migration exposure) */ 2936 if (params->eee_mode & EEE_MODE_ENABLE_LPI) 2937 vars->eee_status |= SHMEM_EEE_LPI_REQUESTED_BIT; 2938 else 2939 vars->eee_status &= ~SHMEM_EEE_LPI_REQUESTED_BIT; 2940 2941 if (params->eee_mode & EEE_MODE_ADV_LPI) 2942 vars->eee_status |= SHMEM_EEE_REQUESTED_BIT; 2943 else 2944 vars->eee_status &= ~SHMEM_EEE_REQUESTED_BIT; 2945 2946 return bnx2x_eee_set_timers(params, vars); 2947 } 2948 2949 static int bnx2x_eee_disable(struct bnx2x_phy *phy, 2950 struct link_params *params, 2951 struct link_vars *vars) 2952 { 2953 struct bnx2x *bp = params->bp; 2954 2955 /* Make Certain LPI is disabled */ 2956 REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2), 0); 2957 2958 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, 0x0); 2959 2960 vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK; 2961 2962 return 0; 2963 } 2964 2965 static int bnx2x_eee_advertise(struct bnx2x_phy *phy, 2966 struct link_params *params, 2967 struct link_vars *vars, u8 modes) 2968 { 2969 struct bnx2x *bp = params->bp; 2970 u16 val = 0; 2971 2972 /* Mask events preventing LPI generation */ 2973 REG_WR(bp, MISC_REG_CPMU_LP_MASK_EXT_P0 + (params->port << 2), 0xfc20); 2974 2975 if (modes & SHMEM_EEE_10G_ADV) { 2976 DP(NETIF_MSG_LINK, "Advertise 10GBase-T EEE\n"); 2977 val |= 0x8; 2978 } 2979 if (modes & SHMEM_EEE_1G_ADV) { 2980 DP(NETIF_MSG_LINK, "Advertise 1GBase-T EEE\n"); 2981 val |= 0x4; 2982 } 2983 2984 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, val); 2985 2986 vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK; 2987 vars->eee_status |= (modes << SHMEM_EEE_ADV_STATUS_SHIFT); 2988 2989 return 0; 2990 } 2991 2992 static void bnx2x_update_mng_eee(struct link_params *params, u32 eee_status) 2993 { 2994 struct bnx2x *bp = params->bp; 2995 2996 if (bnx2x_eee_has_cap(params)) 2997 REG_WR(bp, params->shmem2_base + 2998 offsetof(struct shmem2_region, 2999 eee_status[params->port]), eee_status); 3000 } 3001 3002 static void bnx2x_eee_an_resolve(struct bnx2x_phy *phy, 3003 struct link_params *params, 3004 struct link_vars *vars) 3005 { 3006 struct bnx2x *bp = params->bp; 3007 u16 adv = 0, lp = 0; 3008 u32 lp_adv = 0; 3009 u8 neg = 0; 3010 3011 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, &adv); 3012 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_LP_EEE_ADV, &lp); 3013 3014 if (lp & 0x2) { 3015 lp_adv |= SHMEM_EEE_100M_ADV; 3016 if (adv & 0x2) { 3017 if (vars->line_speed == SPEED_100) 3018 neg = 1; 3019 DP(NETIF_MSG_LINK, "EEE negotiated - 100M\n"); 3020 } 3021 } 3022 if (lp & 0x14) { 3023 lp_adv |= SHMEM_EEE_1G_ADV; 3024 if (adv & 0x14) { 3025 if (vars->line_speed == SPEED_1000) 3026 neg = 1; 3027 DP(NETIF_MSG_LINK, "EEE negotiated - 1G\n"); 3028 } 3029 } 3030 if (lp & 0x68) { 3031 lp_adv |= SHMEM_EEE_10G_ADV; 3032 if (adv & 0x68) { 3033 if (vars->line_speed == SPEED_10000) 3034 neg = 1; 3035 DP(NETIF_MSG_LINK, "EEE negotiated - 10G\n"); 3036 } 3037 } 3038 3039 vars->eee_status &= ~SHMEM_EEE_LP_ADV_STATUS_MASK; 3040 vars->eee_status |= (lp_adv << SHMEM_EEE_LP_ADV_STATUS_SHIFT); 3041 3042 if (neg) { 3043 DP(NETIF_MSG_LINK, "EEE is active\n"); 3044 vars->eee_status |= SHMEM_EEE_ACTIVE_BIT; 3045 } 3046 3047 } 3048 3049 /******************************************************************/ 3050 /* BSC access functions from E3 */ 3051 /******************************************************************/ 3052 static void bnx2x_bsc_module_sel(struct link_params *params) 3053 { 3054 int idx; 3055 u32 board_cfg, sfp_ctrl; 3056 u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH]; 3057 struct bnx2x *bp = params->bp; 3058 u8 port = params->port; 3059 /* Read I2C output PINs */ 3060 board_cfg = REG_RD(bp, params->shmem_base + 3061 offsetof(struct shmem_region, 3062 dev_info.shared_hw_config.board)); 3063 i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK; 3064 i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >> 3065 SHARED_HW_CFG_E3_I2C_MUX1_SHIFT; 3066 3067 /* Read I2C output value */ 3068 sfp_ctrl = REG_RD(bp, params->shmem_base + 3069 offsetof(struct shmem_region, 3070 dev_info.port_hw_config[port].e3_cmn_pin_cfg)); 3071 i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0; 3072 i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0; 3073 DP(NETIF_MSG_LINK, "Setting BSC switch\n"); 3074 for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++) 3075 bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]); 3076 } 3077 3078 static int bnx2x_bsc_read(struct link_params *params, 3079 struct bnx2x *bp, 3080 u8 sl_devid, 3081 u16 sl_addr, 3082 u8 lc_addr, 3083 u8 xfer_cnt, 3084 u32 *data_array) 3085 { 3086 u32 val, i; 3087 int rc = 0; 3088 3089 if (xfer_cnt > 16) { 3090 DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n", 3091 xfer_cnt); 3092 return -EINVAL; 3093 } 3094 bnx2x_bsc_module_sel(params); 3095 3096 xfer_cnt = 16 - lc_addr; 3097 3098 /* Enable the engine */ 3099 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND); 3100 val |= MCPR_IMC_COMMAND_ENABLE; 3101 REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val); 3102 3103 /* Program slave device ID */ 3104 val = (sl_devid << 16) | sl_addr; 3105 REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val); 3106 3107 /* Start xfer with 0 byte to update the address pointer ???*/ 3108 val = (MCPR_IMC_COMMAND_ENABLE) | 3109 (MCPR_IMC_COMMAND_WRITE_OP << 3110 MCPR_IMC_COMMAND_OPERATION_BITSHIFT) | 3111 (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0); 3112 REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val); 3113 3114 /* Poll for completion */ 3115 i = 0; 3116 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND); 3117 while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) { 3118 udelay(10); 3119 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND); 3120 if (i++ > 1000) { 3121 DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n", 3122 i); 3123 rc = -EFAULT; 3124 break; 3125 } 3126 } 3127 if (rc == -EFAULT) 3128 return rc; 3129 3130 /* Start xfer with read op */ 3131 val = (MCPR_IMC_COMMAND_ENABLE) | 3132 (MCPR_IMC_COMMAND_READ_OP << 3133 MCPR_IMC_COMMAND_OPERATION_BITSHIFT) | 3134 (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | 3135 (xfer_cnt); 3136 REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val); 3137 3138 /* Poll for completion */ 3139 i = 0; 3140 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND); 3141 while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) { 3142 udelay(10); 3143 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND); 3144 if (i++ > 1000) { 3145 DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i); 3146 rc = -EFAULT; 3147 break; 3148 } 3149 } 3150 if (rc == -EFAULT) 3151 return rc; 3152 3153 for (i = (lc_addr >> 2); i < 4; i++) { 3154 data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4)); 3155 #ifdef __BIG_ENDIAN 3156 data_array[i] = ((data_array[i] & 0x000000ff) << 24) | 3157 ((data_array[i] & 0x0000ff00) << 8) | 3158 ((data_array[i] & 0x00ff0000) >> 8) | 3159 ((data_array[i] & 0xff000000) >> 24); 3160 #endif 3161 } 3162 return rc; 3163 } 3164 3165 static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy, 3166 u8 devad, u16 reg, u16 or_val) 3167 { 3168 u16 val; 3169 bnx2x_cl45_read(bp, phy, devad, reg, &val); 3170 bnx2x_cl45_write(bp, phy, devad, reg, val | or_val); 3171 } 3172 3173 static void bnx2x_cl45_read_and_write(struct bnx2x *bp, 3174 struct bnx2x_phy *phy, 3175 u8 devad, u16 reg, u16 and_val) 3176 { 3177 u16 val; 3178 bnx2x_cl45_read(bp, phy, devad, reg, &val); 3179 bnx2x_cl45_write(bp, phy, devad, reg, val & and_val); 3180 } 3181 3182 int bnx2x_phy_read(struct link_params *params, u8 phy_addr, 3183 u8 devad, u16 reg, u16 *ret_val) 3184 { 3185 u8 phy_index; 3186 /* Probe for the phy according to the given phy_addr, and execute 3187 * the read request on it 3188 */ 3189 for (phy_index = 0; phy_index < params->num_phys; phy_index++) { 3190 if (params->phy[phy_index].addr == phy_addr) { 3191 return bnx2x_cl45_read(params->bp, 3192 ¶ms->phy[phy_index], devad, 3193 reg, ret_val); 3194 } 3195 } 3196 return -EINVAL; 3197 } 3198 3199 int bnx2x_phy_write(struct link_params *params, u8 phy_addr, 3200 u8 devad, u16 reg, u16 val) 3201 { 3202 u8 phy_index; 3203 /* Probe for the phy according to the given phy_addr, and execute 3204 * the write request on it 3205 */ 3206 for (phy_index = 0; phy_index < params->num_phys; phy_index++) { 3207 if (params->phy[phy_index].addr == phy_addr) { 3208 return bnx2x_cl45_write(params->bp, 3209 ¶ms->phy[phy_index], devad, 3210 reg, val); 3211 } 3212 } 3213 return -EINVAL; 3214 } 3215 static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy, 3216 struct link_params *params) 3217 { 3218 u8 lane = 0; 3219 struct bnx2x *bp = params->bp; 3220 u32 path_swap, path_swap_ovr; 3221 u8 path, port; 3222 3223 path = BP_PATH(bp); 3224 port = params->port; 3225 3226 if (bnx2x_is_4_port_mode(bp)) { 3227 u32 port_swap, port_swap_ovr; 3228 3229 /* Figure out path swap value */ 3230 path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR); 3231 if (path_swap_ovr & 0x1) 3232 path_swap = (path_swap_ovr & 0x2); 3233 else 3234 path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP); 3235 3236 if (path_swap) 3237 path = path ^ 1; 3238 3239 /* Figure out port swap value */ 3240 port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR); 3241 if (port_swap_ovr & 0x1) 3242 port_swap = (port_swap_ovr & 0x2); 3243 else 3244 port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP); 3245 3246 if (port_swap) 3247 port = port ^ 1; 3248 3249 lane = (port<<1) + path; 3250 } else { /* Two port mode - no port swap */ 3251 3252 /* Figure out path swap value */ 3253 path_swap_ovr = 3254 REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR); 3255 if (path_swap_ovr & 0x1) { 3256 path_swap = (path_swap_ovr & 0x2); 3257 } else { 3258 path_swap = 3259 REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP); 3260 } 3261 if (path_swap) 3262 path = path ^ 1; 3263 3264 lane = path << 1 ; 3265 } 3266 return lane; 3267 } 3268 3269 static void bnx2x_set_aer_mmd(struct link_params *params, 3270 struct bnx2x_phy *phy) 3271 { 3272 u32 ser_lane; 3273 u16 offset, aer_val; 3274 struct bnx2x *bp = params->bp; 3275 ser_lane = ((params->lane_config & 3276 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >> 3277 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT); 3278 3279 offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ? 3280 (phy->addr + ser_lane) : 0; 3281 3282 if (USES_WARPCORE(bp)) { 3283 aer_val = bnx2x_get_warpcore_lane(phy, params); 3284 /* In Dual-lane mode, two lanes are joined together, 3285 * so in order to configure them, the AER broadcast method is 3286 * used here. 3287 * 0x200 is the broadcast address for lanes 0,1 3288 * 0x201 is the broadcast address for lanes 2,3 3289 */ 3290 if (phy->flags & FLAGS_WC_DUAL_MODE) 3291 aer_val = (aer_val >> 1) | 0x200; 3292 } else if (CHIP_IS_E2(bp)) 3293 aer_val = 0x3800 + offset - 1; 3294 else 3295 aer_val = 0x3800 + offset; 3296 3297 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK, 3298 MDIO_AER_BLOCK_AER_REG, aer_val); 3299 3300 } 3301 3302 /******************************************************************/ 3303 /* Internal phy section */ 3304 /******************************************************************/ 3305 3306 static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port) 3307 { 3308 u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0; 3309 3310 /* Set Clause 22 */ 3311 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1); 3312 REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000); 3313 udelay(500); 3314 REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f); 3315 udelay(500); 3316 /* Set Clause 45 */ 3317 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0); 3318 } 3319 3320 static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port) 3321 { 3322 u32 val; 3323 3324 DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n"); 3325 3326 val = SERDES_RESET_BITS << (port*16); 3327 3328 /* Reset and unreset the SerDes/XGXS */ 3329 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val); 3330 udelay(500); 3331 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val); 3332 3333 bnx2x_set_serdes_access(bp, port); 3334 3335 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10, 3336 DEFAULT_PHY_DEV_ADDR); 3337 } 3338 3339 static void bnx2x_xgxs_specific_func(struct bnx2x_phy *phy, 3340 struct link_params *params, 3341 u32 action) 3342 { 3343 struct bnx2x *bp = params->bp; 3344 switch (action) { 3345 case PHY_INIT: 3346 /* Set correct devad */ 3347 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + params->port*0x18, 0); 3348 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + params->port*0x18, 3349 phy->def_md_devad); 3350 break; 3351 } 3352 } 3353 3354 static void bnx2x_xgxs_deassert(struct link_params *params) 3355 { 3356 struct bnx2x *bp = params->bp; 3357 u8 port; 3358 u32 val; 3359 DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n"); 3360 port = params->port; 3361 3362 val = XGXS_RESET_BITS << (port*16); 3363 3364 /* Reset and unreset the SerDes/XGXS */ 3365 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val); 3366 udelay(500); 3367 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val); 3368 bnx2x_xgxs_specific_func(¶ms->phy[INT_PHY], params, 3369 PHY_INIT); 3370 } 3371 3372 static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy, 3373 struct link_params *params, u16 *ieee_fc) 3374 { 3375 struct bnx2x *bp = params->bp; 3376 *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX; 3377 /* Resolve pause mode and advertisement Please refer to Table 3378 * 28B-3 of the 802.3ab-1999 spec 3379 */ 3380 3381 switch (phy->req_flow_ctrl) { 3382 case BNX2X_FLOW_CTRL_AUTO: 3383 switch (params->req_fc_auto_adv) { 3384 case BNX2X_FLOW_CTRL_BOTH: 3385 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH; 3386 break; 3387 case BNX2X_FLOW_CTRL_RX: 3388 case BNX2X_FLOW_CTRL_TX: 3389 *ieee_fc |= 3390 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC; 3391 break; 3392 default: 3393 break; 3394 } 3395 break; 3396 case BNX2X_FLOW_CTRL_TX: 3397 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC; 3398 break; 3399 3400 case BNX2X_FLOW_CTRL_RX: 3401 case BNX2X_FLOW_CTRL_BOTH: 3402 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH; 3403 break; 3404 3405 case BNX2X_FLOW_CTRL_NONE: 3406 default: 3407 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE; 3408 break; 3409 } 3410 DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc); 3411 } 3412 3413 static void set_phy_vars(struct link_params *params, 3414 struct link_vars *vars) 3415 { 3416 struct bnx2x *bp = params->bp; 3417 u8 actual_phy_idx, phy_index, link_cfg_idx; 3418 u8 phy_config_swapped = params->multi_phy_config & 3419 PORT_HW_CFG_PHY_SWAPPED_ENABLED; 3420 for (phy_index = INT_PHY; phy_index < params->num_phys; 3421 phy_index++) { 3422 link_cfg_idx = LINK_CONFIG_IDX(phy_index); 3423 actual_phy_idx = phy_index; 3424 if (phy_config_swapped) { 3425 if (phy_index == EXT_PHY1) 3426 actual_phy_idx = EXT_PHY2; 3427 else if (phy_index == EXT_PHY2) 3428 actual_phy_idx = EXT_PHY1; 3429 } 3430 params->phy[actual_phy_idx].req_flow_ctrl = 3431 params->req_flow_ctrl[link_cfg_idx]; 3432 3433 params->phy[actual_phy_idx].req_line_speed = 3434 params->req_line_speed[link_cfg_idx]; 3435 3436 params->phy[actual_phy_idx].speed_cap_mask = 3437 params->speed_cap_mask[link_cfg_idx]; 3438 3439 params->phy[actual_phy_idx].req_duplex = 3440 params->req_duplex[link_cfg_idx]; 3441 3442 if (params->req_line_speed[link_cfg_idx] == 3443 SPEED_AUTO_NEG) 3444 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED; 3445 3446 DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x," 3447 " speed_cap_mask %x\n", 3448 params->phy[actual_phy_idx].req_flow_ctrl, 3449 params->phy[actual_phy_idx].req_line_speed, 3450 params->phy[actual_phy_idx].speed_cap_mask); 3451 } 3452 } 3453 3454 static void bnx2x_ext_phy_set_pause(struct link_params *params, 3455 struct bnx2x_phy *phy, 3456 struct link_vars *vars) 3457 { 3458 u16 val; 3459 struct bnx2x *bp = params->bp; 3460 /* Read modify write pause advertizing */ 3461 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val); 3462 3463 val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH; 3464 3465 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */ 3466 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc); 3467 if ((vars->ieee_fc & 3468 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) == 3469 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) { 3470 val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC; 3471 } 3472 if ((vars->ieee_fc & 3473 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) == 3474 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) { 3475 val |= MDIO_AN_REG_ADV_PAUSE_PAUSE; 3476 } 3477 DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val); 3478 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val); 3479 } 3480 3481 static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result) 3482 { /* LD LP */ 3483 switch (pause_result) { /* ASYM P ASYM P */ 3484 case 0xb: /* 1 0 1 1 */ 3485 vars->flow_ctrl = BNX2X_FLOW_CTRL_TX; 3486 break; 3487 3488 case 0xe: /* 1 1 1 0 */ 3489 vars->flow_ctrl = BNX2X_FLOW_CTRL_RX; 3490 break; 3491 3492 case 0x5: /* 0 1 0 1 */ 3493 case 0x7: /* 0 1 1 1 */ 3494 case 0xd: /* 1 1 0 1 */ 3495 case 0xf: /* 1 1 1 1 */ 3496 vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH; 3497 break; 3498 3499 default: 3500 break; 3501 } 3502 if (pause_result & (1<<0)) 3503 vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE; 3504 if (pause_result & (1<<1)) 3505 vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE; 3506 3507 } 3508 3509 static void bnx2x_ext_phy_update_adv_fc(struct bnx2x_phy *phy, 3510 struct link_params *params, 3511 struct link_vars *vars) 3512 { 3513 u16 ld_pause; /* local */ 3514 u16 lp_pause; /* link partner */ 3515 u16 pause_result; 3516 struct bnx2x *bp = params->bp; 3517 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) { 3518 bnx2x_cl22_read(bp, phy, 0x4, &ld_pause); 3519 bnx2x_cl22_read(bp, phy, 0x5, &lp_pause); 3520 } else if (CHIP_IS_E3(bp) && 3521 SINGLE_MEDIA_DIRECT(params)) { 3522 u8 lane = bnx2x_get_warpcore_lane(phy, params); 3523 u16 gp_status, gp_mask; 3524 bnx2x_cl45_read(bp, phy, 3525 MDIO_AN_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_4, 3526 &gp_status); 3527 gp_mask = (MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL | 3528 MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP) << 3529 lane; 3530 if ((gp_status & gp_mask) == gp_mask) { 3531 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, 3532 MDIO_AN_REG_ADV_PAUSE, &ld_pause); 3533 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, 3534 MDIO_AN_REG_LP_AUTO_NEG, &lp_pause); 3535 } else { 3536 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, 3537 MDIO_AN_REG_CL37_FC_LD, &ld_pause); 3538 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, 3539 MDIO_AN_REG_CL37_FC_LP, &lp_pause); 3540 ld_pause = ((ld_pause & 3541 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) 3542 << 3); 3543 lp_pause = ((lp_pause & 3544 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) 3545 << 3); 3546 } 3547 } else { 3548 bnx2x_cl45_read(bp, phy, 3549 MDIO_AN_DEVAD, 3550 MDIO_AN_REG_ADV_PAUSE, &ld_pause); 3551 bnx2x_cl45_read(bp, phy, 3552 MDIO_AN_DEVAD, 3553 MDIO_AN_REG_LP_AUTO_NEG, &lp_pause); 3554 } 3555 pause_result = (ld_pause & 3556 MDIO_AN_REG_ADV_PAUSE_MASK) >> 8; 3557 pause_result |= (lp_pause & 3558 MDIO_AN_REG_ADV_PAUSE_MASK) >> 10; 3559 DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n", pause_result); 3560 bnx2x_pause_resolve(vars, pause_result); 3561 3562 } 3563 3564 static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy, 3565 struct link_params *params, 3566 struct link_vars *vars) 3567 { 3568 u8 ret = 0; 3569 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE; 3570 if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) { 3571 /* Update the advertised flow-controled of LD/LP in AN */ 3572 if (phy->req_line_speed == SPEED_AUTO_NEG) 3573 bnx2x_ext_phy_update_adv_fc(phy, params, vars); 3574 /* But set the flow-control result as the requested one */ 3575 vars->flow_ctrl = phy->req_flow_ctrl; 3576 } else if (phy->req_line_speed != SPEED_AUTO_NEG) 3577 vars->flow_ctrl = params->req_fc_auto_adv; 3578 else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) { 3579 ret = 1; 3580 bnx2x_ext_phy_update_adv_fc(phy, params, vars); 3581 } 3582 return ret; 3583 } 3584 /******************************************************************/ 3585 /* Warpcore section */ 3586 /******************************************************************/ 3587 /* The init_internal_warpcore should mirror the xgxs, 3588 * i.e. reset the lane (if needed), set aer for the 3589 * init configuration, and set/clear SGMII flag. Internal 3590 * phy init is done purely in phy_init stage. 3591 */ 3592 #define WC_TX_DRIVER(post2, idriver, ipre) \ 3593 ((post2 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) | \ 3594 (idriver << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) | \ 3595 (ipre << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)) 3596 3597 #define WC_TX_FIR(post, main, pre) \ 3598 ((post << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) | \ 3599 (main << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) | \ 3600 (pre << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET)) 3601 3602 static void bnx2x_warpcore_enable_AN_KR2(struct bnx2x_phy *phy, 3603 struct link_params *params, 3604 struct link_vars *vars) 3605 { 3606 struct bnx2x *bp = params->bp; 3607 u16 i; 3608 static struct bnx2x_reg_set reg_set[] = { 3609 /* Step 1 - Program the TX/RX alignment markers */ 3610 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0xa157}, 3611 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xcbe2}, 3612 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0x7537}, 3613 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0xa157}, 3614 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xcbe2}, 3615 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0x7537}, 3616 /* Step 2 - Configure the NP registers */ 3617 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000a}, 3618 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6400}, 3619 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0620}, 3620 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0157}, 3621 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x6464}, 3622 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x3150}, 3623 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x3150}, 3624 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0157}, 3625 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0620} 3626 }; 3627 DP(NETIF_MSG_LINK, "Enabling 20G-KR2\n"); 3628 3629 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, 3630 MDIO_WC_REG_CL49_USERB0_CTRL, (3<<6)); 3631 3632 for (i = 0; i < ARRAY_SIZE(reg_set); i++) 3633 bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg, 3634 reg_set[i].val); 3635 3636 /* Start KR2 work-around timer which handles BCM8073 link-parner */ 3637 vars->link_attr_sync |= LINK_ATTR_SYNC_KR2_ENABLE; 3638 bnx2x_update_link_attr(params, vars->link_attr_sync); 3639 } 3640 3641 static void bnx2x_disable_kr2(struct link_params *params, 3642 struct link_vars *vars, 3643 struct bnx2x_phy *phy) 3644 { 3645 struct bnx2x *bp = params->bp; 3646 int i; 3647 static struct bnx2x_reg_set reg_set[] = { 3648 /* Step 1 - Program the TX/RX alignment markers */ 3649 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0x7690}, 3650 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xe647}, 3651 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0xc4f0}, 3652 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0x7690}, 3653 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xe647}, 3654 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0xc4f0}, 3655 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000c}, 3656 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6000}, 3657 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0000}, 3658 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0002}, 3659 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x0000}, 3660 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x0af7}, 3661 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x0af7}, 3662 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0002}, 3663 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0000} 3664 }; 3665 DP(NETIF_MSG_LINK, "Disabling 20G-KR2\n"); 3666 3667 for (i = 0; i < ARRAY_SIZE(reg_set); i++) 3668 bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg, 3669 reg_set[i].val); 3670 vars->link_attr_sync &= ~LINK_ATTR_SYNC_KR2_ENABLE; 3671 bnx2x_update_link_attr(params, vars->link_attr_sync); 3672 3673 vars->check_kr2_recovery_cnt = CHECK_KR2_RECOVERY_CNT; 3674 } 3675 3676 static void bnx2x_warpcore_set_lpi_passthrough(struct bnx2x_phy *phy, 3677 struct link_params *params) 3678 { 3679 struct bnx2x *bp = params->bp; 3680 3681 DP(NETIF_MSG_LINK, "Configure WC for LPI pass through\n"); 3682 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 3683 MDIO_WC_REG_EEE_COMBO_CONTROL0, 0x7c); 3684 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, 3685 MDIO_WC_REG_DIGITAL4_MISC5, 0xc000); 3686 } 3687 3688 static void bnx2x_warpcore_restart_AN_KR(struct bnx2x_phy *phy, 3689 struct link_params *params) 3690 { 3691 /* Restart autoneg on the leading lane only */ 3692 struct bnx2x *bp = params->bp; 3693 u16 lane = bnx2x_get_warpcore_lane(phy, params); 3694 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK, 3695 MDIO_AER_BLOCK_AER_REG, lane); 3696 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, 3697 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200); 3698 3699 /* Restore AER */ 3700 bnx2x_set_aer_mmd(params, phy); 3701 } 3702 3703 static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy, 3704 struct link_params *params, 3705 struct link_vars *vars) { 3706 u16 lane, i, cl72_ctrl, an_adv = 0; 3707 struct bnx2x *bp = params->bp; 3708 static struct bnx2x_reg_set reg_set[] = { 3709 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7}, 3710 {MDIO_PMA_DEVAD, MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0}, 3711 {MDIO_WC_DEVAD, MDIO_WC_REG_RX66_CONTROL, 0x7415}, 3712 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190}, 3713 /* Disable Autoneg: re-enable it after adv is done. */ 3714 {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0}, 3715 {MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2}, 3716 {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0}, 3717 }; 3718 DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n"); 3719 /* Set to default registers that may be overriden by 10G force */ 3720 for (i = 0; i < ARRAY_SIZE(reg_set); i++) 3721 bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg, 3722 reg_set[i].val); 3723 3724 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 3725 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &cl72_ctrl); 3726 cl72_ctrl &= 0x08ff; 3727 cl72_ctrl |= 0x3800; 3728 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 3729 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, cl72_ctrl); 3730 3731 /* Check adding advertisement for 1G KX */ 3732 if (((vars->line_speed == SPEED_AUTO_NEG) && 3733 (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) || 3734 (vars->line_speed == SPEED_1000)) { 3735 u16 addr = MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2; 3736 an_adv |= (1<<5); 3737 3738 /* Enable CL37 1G Parallel Detect */ 3739 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, addr, 0x1); 3740 DP(NETIF_MSG_LINK, "Advertize 1G\n"); 3741 } 3742 if (((vars->line_speed == SPEED_AUTO_NEG) && 3743 (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) || 3744 (vars->line_speed == SPEED_10000)) { 3745 /* Check adding advertisement for 10G KR */ 3746 an_adv |= (1<<7); 3747 /* Enable 10G Parallel Detect */ 3748 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK, 3749 MDIO_AER_BLOCK_AER_REG, 0); 3750 3751 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, 3752 MDIO_WC_REG_PAR_DET_10G_CTRL, 1); 3753 bnx2x_set_aer_mmd(params, phy); 3754 DP(NETIF_MSG_LINK, "Advertize 10G\n"); 3755 } 3756 3757 /* Set Transmit PMD settings */ 3758 lane = bnx2x_get_warpcore_lane(phy, params); 3759 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 3760 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 3761 WC_TX_DRIVER(0x02, 0x06, 0x09)); 3762 /* Configure the next lane if dual mode */ 3763 if (phy->flags & FLAGS_WC_DUAL_MODE) 3764 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 3765 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*(lane+1), 3766 WC_TX_DRIVER(0x02, 0x06, 0x09)); 3767 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 3768 MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL, 3769 0x03f0); 3770 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 3771 MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL, 3772 0x03f0); 3773 3774 /* Advertised speeds */ 3775 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, 3776 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, an_adv); 3777 3778 /* Advertised and set FEC (Forward Error Correction) */ 3779 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, 3780 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2, 3781 (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY | 3782 MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ)); 3783 3784 /* Enable CL37 BAM */ 3785 if (REG_RD(bp, params->shmem_base + 3786 offsetof(struct shmem_region, dev_info. 3787 port_hw_config[params->port].default_cfg)) & 3788 PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) { 3789 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, 3790 MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL, 3791 1); 3792 DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n"); 3793 } 3794 3795 /* Advertise pause */ 3796 bnx2x_ext_phy_set_pause(params, phy, vars); 3797 vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY; 3798 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, 3799 MDIO_WC_REG_DIGITAL5_MISC7, 0x100); 3800 3801 /* Over 1G - AN local device user page 1 */ 3802 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 3803 MDIO_WC_REG_DIGITAL3_UP1, 0x1f); 3804 3805 if (((phy->req_line_speed == SPEED_AUTO_NEG) && 3806 (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)) || 3807 (phy->req_line_speed == SPEED_20000)) { 3808 3809 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK, 3810 MDIO_AER_BLOCK_AER_REG, lane); 3811 3812 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, 3813 MDIO_WC_REG_RX1_PCI_CTRL + (0x10*lane), 3814 (1<<11)); 3815 3816 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 3817 MDIO_WC_REG_XGXS_X2_CONTROL3, 0x7); 3818 bnx2x_set_aer_mmd(params, phy); 3819 3820 bnx2x_warpcore_enable_AN_KR2(phy, params, vars); 3821 } else { 3822 /* Enable Auto-Detect to support 1G over CL37 as well */ 3823 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 3824 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0x10); 3825 3826 /* Force cl48 sync_status LOW to avoid getting stuck in CL73 3827 * parallel-detect loop when CL73 and CL37 are enabled. 3828 */ 3829 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK, 3830 MDIO_AER_BLOCK_AER_REG, 0); 3831 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 3832 MDIO_WC_REG_RXB_ANA_RX_CONTROL_PCI, 0x0800); 3833 bnx2x_set_aer_mmd(params, phy); 3834 3835 bnx2x_disable_kr2(params, vars, phy); 3836 } 3837 3838 /* Enable Autoneg: only on the main lane */ 3839 bnx2x_warpcore_restart_AN_KR(phy, params); 3840 } 3841 3842 static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy, 3843 struct link_params *params, 3844 struct link_vars *vars) 3845 { 3846 struct bnx2x *bp = params->bp; 3847 u16 val16, i, lane; 3848 static struct bnx2x_reg_set reg_set[] = { 3849 /* Disable Autoneg */ 3850 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7}, 3851 {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 3852 0x3f00}, 3853 {MDIO_AN_DEVAD, MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0}, 3854 {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0}, 3855 {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL3_UP1, 0x1}, 3856 {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL5_MISC7, 0xa}, 3857 /* Leave cl72 training enable, needed for KR */ 3858 {MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2} 3859 }; 3860 3861 for (i = 0; i < ARRAY_SIZE(reg_set); i++) 3862 bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg, 3863 reg_set[i].val); 3864 3865 lane = bnx2x_get_warpcore_lane(phy, params); 3866 /* Global registers */ 3867 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK, 3868 MDIO_AER_BLOCK_AER_REG, 0); 3869 /* Disable CL36 PCS Tx */ 3870 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 3871 MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16); 3872 val16 &= ~(0x0011 << lane); 3873 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 3874 MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16); 3875 3876 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 3877 MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16); 3878 val16 |= (0x0303 << (lane << 1)); 3879 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 3880 MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16); 3881 /* Restore AER */ 3882 bnx2x_set_aer_mmd(params, phy); 3883 /* Set speed via PMA/PMD register */ 3884 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 3885 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040); 3886 3887 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 3888 MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB); 3889 3890 /* Enable encoded forced speed */ 3891 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 3892 MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30); 3893 3894 /* Turn TX scramble payload only the 64/66 scrambler */ 3895 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 3896 MDIO_WC_REG_TX66_CONTROL, 0x9); 3897 3898 /* Turn RX scramble payload only the 64/66 scrambler */ 3899 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, 3900 MDIO_WC_REG_RX66_CONTROL, 0xF9); 3901 3902 /* Set and clear loopback to cause a reset to 64/66 decoder */ 3903 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 3904 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000); 3905 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 3906 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0); 3907 3908 } 3909 3910 static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy, 3911 struct link_params *params, 3912 u8 is_xfi) 3913 { 3914 struct bnx2x *bp = params->bp; 3915 u16 misc1_val, tap_val, tx_driver_val, lane, val; 3916 u32 cfg_tap_val, tx_drv_brdct, tx_equal; 3917 3918 /* Hold rxSeqStart */ 3919 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, 3920 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x8000); 3921 3922 /* Hold tx_fifo_reset */ 3923 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, 3924 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x1); 3925 3926 /* Disable CL73 AN */ 3927 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0); 3928 3929 /* Disable 100FX Enable and Auto-Detect */ 3930 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD, 3931 MDIO_WC_REG_FX100_CTRL1, 0xFFFA); 3932 3933 /* Disable 100FX Idle detect */ 3934 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, 3935 MDIO_WC_REG_FX100_CTRL3, 0x0080); 3936 3937 /* Set Block address to Remote PHY & Clear forced_speed[5] */ 3938 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD, 3939 MDIO_WC_REG_DIGITAL4_MISC3, 0xFF7F); 3940 3941 /* Turn off auto-detect & fiber mode */ 3942 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD, 3943 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 3944 0xFFEE); 3945 3946 /* Set filter_force_link, disable_false_link and parallel_detect */ 3947 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 3948 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val); 3949 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 3950 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 3951 ((val | 0x0006) & 0xFFFE)); 3952 3953 /* Set XFI / SFI */ 3954 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 3955 MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val); 3956 3957 misc1_val &= ~(0x1f); 3958 3959 if (is_xfi) { 3960 misc1_val |= 0x5; 3961 tap_val = WC_TX_FIR(0x08, 0x37, 0x00); 3962 tx_driver_val = WC_TX_DRIVER(0x00, 0x02, 0x03); 3963 } else { 3964 cfg_tap_val = REG_RD(bp, params->shmem_base + 3965 offsetof(struct shmem_region, dev_info. 3966 port_hw_config[params->port]. 3967 sfi_tap_values)); 3968 3969 tx_equal = cfg_tap_val & PORT_HW_CFG_TX_EQUALIZATION_MASK; 3970 3971 tx_drv_brdct = (cfg_tap_val & 3972 PORT_HW_CFG_TX_DRV_BROADCAST_MASK) >> 3973 PORT_HW_CFG_TX_DRV_BROADCAST_SHIFT; 3974 3975 misc1_val |= 0x9; 3976 3977 /* TAP values are controlled by nvram, if value there isn't 0 */ 3978 if (tx_equal) 3979 tap_val = (u16)tx_equal; 3980 else 3981 tap_val = WC_TX_FIR(0x0f, 0x2b, 0x02); 3982 3983 if (tx_drv_brdct) 3984 tx_driver_val = WC_TX_DRIVER(0x03, (u16)tx_drv_brdct, 3985 0x06); 3986 else 3987 tx_driver_val = WC_TX_DRIVER(0x03, 0x02, 0x06); 3988 } 3989 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 3990 MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val); 3991 3992 /* Set Transmit PMD settings */ 3993 lane = bnx2x_get_warpcore_lane(phy, params); 3994 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 3995 MDIO_WC_REG_TX_FIR_TAP, 3996 tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE); 3997 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 3998 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 3999 tx_driver_val); 4000 4001 /* Enable fiber mode, enable and invert sig_det */ 4002 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, 4003 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0xd); 4004 4005 /* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */ 4006 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, 4007 MDIO_WC_REG_DIGITAL4_MISC3, 0x8080); 4008 4009 bnx2x_warpcore_set_lpi_passthrough(phy, params); 4010 4011 /* 10G XFI Full Duplex */ 4012 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4013 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100); 4014 4015 /* Release tx_fifo_reset */ 4016 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD, 4017 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 4018 0xFFFE); 4019 /* Release rxSeqStart */ 4020 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD, 4021 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x7FFF); 4022 } 4023 4024 static void bnx2x_warpcore_set_20G_force_KR2(struct bnx2x_phy *phy, 4025 struct link_params *params) 4026 { 4027 u16 val; 4028 struct bnx2x *bp = params->bp; 4029 /* Set global registers, so set AER lane to 0 */ 4030 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK, 4031 MDIO_AER_BLOCK_AER_REG, 0); 4032 4033 /* Disable sequencer */ 4034 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD, 4035 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, ~(1<<13)); 4036 4037 bnx2x_set_aer_mmd(params, phy); 4038 4039 bnx2x_cl45_read_and_write(bp, phy, MDIO_PMA_DEVAD, 4040 MDIO_WC_REG_PMD_KR_CONTROL, ~(1<<1)); 4041 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, 4042 MDIO_AN_REG_CTRL, 0); 4043 /* Turn off CL73 */ 4044 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 4045 MDIO_WC_REG_CL73_USERB0_CTRL, &val); 4046 val &= ~(1<<5); 4047 val |= (1<<6); 4048 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4049 MDIO_WC_REG_CL73_USERB0_CTRL, val); 4050 4051 /* Set 20G KR2 force speed */ 4052 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, 4053 MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x1f); 4054 4055 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, 4056 MDIO_WC_REG_DIGITAL4_MISC3, (1<<7)); 4057 4058 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 4059 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &val); 4060 val &= ~(3<<14); 4061 val |= (1<<15); 4062 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4063 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, val); 4064 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4065 MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0x835A); 4066 4067 /* Enable sequencer (over lane 0) */ 4068 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK, 4069 MDIO_AER_BLOCK_AER_REG, 0); 4070 4071 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, 4072 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, (1<<13)); 4073 4074 bnx2x_set_aer_mmd(params, phy); 4075 } 4076 4077 static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp, 4078 struct bnx2x_phy *phy, 4079 u16 lane) 4080 { 4081 /* Rx0 anaRxControl1G */ 4082 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4083 MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90); 4084 4085 /* Rx2 anaRxControl1G */ 4086 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4087 MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90); 4088 4089 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4090 MDIO_WC_REG_RX66_SCW0, 0xE070); 4091 4092 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4093 MDIO_WC_REG_RX66_SCW1, 0xC0D0); 4094 4095 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4096 MDIO_WC_REG_RX66_SCW2, 0xA0B0); 4097 4098 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4099 MDIO_WC_REG_RX66_SCW3, 0x8090); 4100 4101 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4102 MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0); 4103 4104 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4105 MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0); 4106 4107 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4108 MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0); 4109 4110 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4111 MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0); 4112 4113 /* Serdes Digital Misc1 */ 4114 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4115 MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008); 4116 4117 /* Serdes Digital4 Misc3 */ 4118 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4119 MDIO_WC_REG_DIGITAL4_MISC3, 0x8088); 4120 4121 /* Set Transmit PMD settings */ 4122 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4123 MDIO_WC_REG_TX_FIR_TAP, 4124 (WC_TX_FIR(0x12, 0x2d, 0x00) | 4125 MDIO_WC_REG_TX_FIR_TAP_ENABLE)); 4126 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4127 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 4128 WC_TX_DRIVER(0x02, 0x02, 0x02)); 4129 } 4130 4131 static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy, 4132 struct link_params *params, 4133 u8 fiber_mode, 4134 u8 always_autoneg) 4135 { 4136 struct bnx2x *bp = params->bp; 4137 u16 val16, digctrl_kx1, digctrl_kx2; 4138 4139 /* Clear XFI clock comp in non-10G single lane mode. */ 4140 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD, 4141 MDIO_WC_REG_RX66_CONTROL, ~(3<<13)); 4142 4143 bnx2x_warpcore_set_lpi_passthrough(phy, params); 4144 4145 if (always_autoneg || phy->req_line_speed == SPEED_AUTO_NEG) { 4146 /* SGMII Autoneg */ 4147 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, 4148 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 4149 0x1000); 4150 DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n"); 4151 } else { 4152 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 4153 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16); 4154 val16 &= 0xcebf; 4155 switch (phy->req_line_speed) { 4156 case SPEED_10: 4157 break; 4158 case SPEED_100: 4159 val16 |= 0x2000; 4160 break; 4161 case SPEED_1000: 4162 val16 |= 0x0040; 4163 break; 4164 default: 4165 DP(NETIF_MSG_LINK, 4166 "Speed not supported: 0x%x\n", phy->req_line_speed); 4167 return; 4168 } 4169 4170 if (phy->req_duplex == DUPLEX_FULL) 4171 val16 |= 0x0100; 4172 4173 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4174 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16); 4175 4176 DP(NETIF_MSG_LINK, "set SGMII force speed %d\n", 4177 phy->req_line_speed); 4178 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 4179 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16); 4180 DP(NETIF_MSG_LINK, " (readback) %x\n", val16); 4181 } 4182 4183 /* SGMII Slave mode and disable signal detect */ 4184 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 4185 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1); 4186 if (fiber_mode) 4187 digctrl_kx1 = 1; 4188 else 4189 digctrl_kx1 &= 0xff4a; 4190 4191 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4192 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 4193 digctrl_kx1); 4194 4195 /* Turn off parallel detect */ 4196 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 4197 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2); 4198 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4199 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 4200 (digctrl_kx2 & ~(1<<2))); 4201 4202 /* Re-enable parallel detect */ 4203 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4204 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 4205 (digctrl_kx2 | (1<<2))); 4206 4207 /* Enable autodet */ 4208 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4209 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 4210 (digctrl_kx1 | 0x10)); 4211 } 4212 4213 static void bnx2x_warpcore_reset_lane(struct bnx2x *bp, 4214 struct bnx2x_phy *phy, 4215 u8 reset) 4216 { 4217 u16 val; 4218 /* Take lane out of reset after configuration is finished */ 4219 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 4220 MDIO_WC_REG_DIGITAL5_MISC6, &val); 4221 if (reset) 4222 val |= 0xC000; 4223 else 4224 val &= 0x3FFF; 4225 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4226 MDIO_WC_REG_DIGITAL5_MISC6, val); 4227 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 4228 MDIO_WC_REG_DIGITAL5_MISC6, &val); 4229 } 4230 /* Clear SFI/XFI link settings registers */ 4231 static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy, 4232 struct link_params *params, 4233 u16 lane) 4234 { 4235 struct bnx2x *bp = params->bp; 4236 u16 i; 4237 static struct bnx2x_reg_set wc_regs[] = { 4238 {MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0}, 4239 {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL1, 0x014a}, 4240 {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL3, 0x0800}, 4241 {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL4_MISC3, 0x8008}, 4242 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 4243 0x0195}, 4244 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 4245 0x0007}, 4246 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 4247 0x0002}, 4248 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000}, 4249 {MDIO_WC_DEVAD, MDIO_WC_REG_TX_FIR_TAP, 0x0000}, 4250 {MDIO_WC_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040}, 4251 {MDIO_WC_DEVAD, MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140} 4252 }; 4253 /* Set XFI clock comp as default. */ 4254 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, 4255 MDIO_WC_REG_RX66_CONTROL, (3<<13)); 4256 4257 for (i = 0; i < ARRAY_SIZE(wc_regs); i++) 4258 bnx2x_cl45_write(bp, phy, wc_regs[i].devad, wc_regs[i].reg, 4259 wc_regs[i].val); 4260 4261 lane = bnx2x_get_warpcore_lane(phy, params); 4262 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4263 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990); 4264 4265 } 4266 4267 static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp, 4268 u32 chip_id, 4269 u32 shmem_base, u8 port, 4270 u8 *gpio_num, u8 *gpio_port) 4271 { 4272 u32 cfg_pin; 4273 *gpio_num = 0; 4274 *gpio_port = 0; 4275 if (CHIP_IS_E3(bp)) { 4276 cfg_pin = (REG_RD(bp, shmem_base + 4277 offsetof(struct shmem_region, 4278 dev_info.port_hw_config[port].e3_sfp_ctrl)) & 4279 PORT_HW_CFG_E3_MOD_ABS_MASK) >> 4280 PORT_HW_CFG_E3_MOD_ABS_SHIFT; 4281 4282 /* Should not happen. This function called upon interrupt 4283 * triggered by GPIO ( since EPIO can only generate interrupts 4284 * to MCP). 4285 * So if this function was called and none of the GPIOs was set, 4286 * it means the shit hit the fan. 4287 */ 4288 if ((cfg_pin < PIN_CFG_GPIO0_P0) || 4289 (cfg_pin > PIN_CFG_GPIO3_P1)) { 4290 DP(NETIF_MSG_LINK, 4291 "No cfg pin %x for module detect indication\n", 4292 cfg_pin); 4293 return -EINVAL; 4294 } 4295 4296 *gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3; 4297 *gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2; 4298 } else { 4299 *gpio_num = MISC_REGISTERS_GPIO_3; 4300 *gpio_port = port; 4301 } 4302 4303 return 0; 4304 } 4305 4306 static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy, 4307 struct link_params *params) 4308 { 4309 struct bnx2x *bp = params->bp; 4310 u8 gpio_num, gpio_port; 4311 u32 gpio_val; 4312 if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, 4313 params->shmem_base, params->port, 4314 &gpio_num, &gpio_port) != 0) 4315 return 0; 4316 gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port); 4317 4318 /* Call the handling function in case module is detected */ 4319 if (gpio_val == 0) 4320 return 1; 4321 else 4322 return 0; 4323 } 4324 static int bnx2x_warpcore_get_sigdet(struct bnx2x_phy *phy, 4325 struct link_params *params) 4326 { 4327 u16 gp2_status_reg0, lane; 4328 struct bnx2x *bp = params->bp; 4329 4330 lane = bnx2x_get_warpcore_lane(phy, params); 4331 4332 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0, 4333 &gp2_status_reg0); 4334 4335 return (gp2_status_reg0 >> (8+lane)) & 0x1; 4336 } 4337 4338 static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy, 4339 struct link_params *params, 4340 struct link_vars *vars) 4341 { 4342 struct bnx2x *bp = params->bp; 4343 u32 serdes_net_if; 4344 u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0; 4345 4346 vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1; 4347 4348 if (!vars->turn_to_run_wc_rt) 4349 return; 4350 4351 if (vars->rx_tx_asic_rst) { 4352 u16 lane = bnx2x_get_warpcore_lane(phy, params); 4353 serdes_net_if = (REG_RD(bp, params->shmem_base + 4354 offsetof(struct shmem_region, dev_info. 4355 port_hw_config[params->port].default_cfg)) & 4356 PORT_HW_CFG_NET_SERDES_IF_MASK); 4357 4358 switch (serdes_net_if) { 4359 case PORT_HW_CFG_NET_SERDES_IF_KR: 4360 /* Do we get link yet? */ 4361 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 0x81d1, 4362 &gp_status1); 4363 lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */ 4364 /*10G KR*/ 4365 lnkup_kr = (gp_status1 >> (12+lane)) & 0x1; 4366 4367 if (lnkup_kr || lnkup) { 4368 vars->rx_tx_asic_rst = 0; 4369 } else { 4370 /* Reset the lane to see if link comes up.*/ 4371 bnx2x_warpcore_reset_lane(bp, phy, 1); 4372 bnx2x_warpcore_reset_lane(bp, phy, 0); 4373 4374 /* Restart Autoneg */ 4375 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, 4376 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200); 4377 4378 vars->rx_tx_asic_rst--; 4379 DP(NETIF_MSG_LINK, "0x%x retry left\n", 4380 vars->rx_tx_asic_rst); 4381 } 4382 break; 4383 4384 default: 4385 break; 4386 } 4387 4388 } /*params->rx_tx_asic_rst*/ 4389 4390 } 4391 static void bnx2x_warpcore_config_sfi(struct bnx2x_phy *phy, 4392 struct link_params *params) 4393 { 4394 u16 lane = bnx2x_get_warpcore_lane(phy, params); 4395 struct bnx2x *bp = params->bp; 4396 bnx2x_warpcore_clear_regs(phy, params, lane); 4397 if ((params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)] == 4398 SPEED_10000) && 4399 (phy->media_type != ETH_PHY_SFP_1G_FIBER)) { 4400 DP(NETIF_MSG_LINK, "Setting 10G SFI\n"); 4401 bnx2x_warpcore_set_10G_XFI(phy, params, 0); 4402 } else { 4403 DP(NETIF_MSG_LINK, "Setting 1G Fiber\n"); 4404 bnx2x_warpcore_set_sgmii_speed(phy, params, 1, 0); 4405 } 4406 } 4407 4408 static void bnx2x_sfp_e3_set_transmitter(struct link_params *params, 4409 struct bnx2x_phy *phy, 4410 u8 tx_en) 4411 { 4412 struct bnx2x *bp = params->bp; 4413 u32 cfg_pin; 4414 u8 port = params->port; 4415 4416 cfg_pin = REG_RD(bp, params->shmem_base + 4417 offsetof(struct shmem_region, 4418 dev_info.port_hw_config[port].e3_sfp_ctrl)) & 4419 PORT_HW_CFG_E3_TX_LASER_MASK; 4420 /* Set the !tx_en since this pin is DISABLE_TX_LASER */ 4421 DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en); 4422 4423 /* For 20G, the expected pin to be used is 3 pins after the current */ 4424 bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1); 4425 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G) 4426 bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1); 4427 } 4428 4429 static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy, 4430 struct link_params *params, 4431 struct link_vars *vars) 4432 { 4433 struct bnx2x *bp = params->bp; 4434 u32 serdes_net_if; 4435 u8 fiber_mode; 4436 u16 lane = bnx2x_get_warpcore_lane(phy, params); 4437 serdes_net_if = (REG_RD(bp, params->shmem_base + 4438 offsetof(struct shmem_region, dev_info. 4439 port_hw_config[params->port].default_cfg)) & 4440 PORT_HW_CFG_NET_SERDES_IF_MASK); 4441 DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, " 4442 "serdes_net_if = 0x%x\n", 4443 vars->line_speed, serdes_net_if); 4444 bnx2x_set_aer_mmd(params, phy); 4445 bnx2x_warpcore_reset_lane(bp, phy, 1); 4446 vars->phy_flags |= PHY_XGXS_FLAG; 4447 if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) || 4448 (phy->req_line_speed && 4449 ((phy->req_line_speed == SPEED_100) || 4450 (phy->req_line_speed == SPEED_10)))) { 4451 vars->phy_flags |= PHY_SGMII_FLAG; 4452 DP(NETIF_MSG_LINK, "Setting SGMII mode\n"); 4453 bnx2x_warpcore_clear_regs(phy, params, lane); 4454 bnx2x_warpcore_set_sgmii_speed(phy, params, 0, 1); 4455 } else { 4456 switch (serdes_net_if) { 4457 case PORT_HW_CFG_NET_SERDES_IF_KR: 4458 /* Enable KR Auto Neg */ 4459 if (params->loopback_mode != LOOPBACK_EXT) 4460 bnx2x_warpcore_enable_AN_KR(phy, params, vars); 4461 else { 4462 DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n"); 4463 bnx2x_warpcore_set_10G_KR(phy, params, vars); 4464 } 4465 break; 4466 4467 case PORT_HW_CFG_NET_SERDES_IF_XFI: 4468 bnx2x_warpcore_clear_regs(phy, params, lane); 4469 if (vars->line_speed == SPEED_10000) { 4470 DP(NETIF_MSG_LINK, "Setting 10G XFI\n"); 4471 bnx2x_warpcore_set_10G_XFI(phy, params, 1); 4472 } else { 4473 if (SINGLE_MEDIA_DIRECT(params)) { 4474 DP(NETIF_MSG_LINK, "1G Fiber\n"); 4475 fiber_mode = 1; 4476 } else { 4477 DP(NETIF_MSG_LINK, "10/100/1G SGMII\n"); 4478 fiber_mode = 0; 4479 } 4480 bnx2x_warpcore_set_sgmii_speed(phy, 4481 params, 4482 fiber_mode, 4483 0); 4484 } 4485 4486 break; 4487 4488 case PORT_HW_CFG_NET_SERDES_IF_SFI: 4489 /* Issue Module detection if module is plugged, or 4490 * enabled transmitter to avoid current leakage in case 4491 * no module is connected 4492 */ 4493 if ((params->loopback_mode == LOOPBACK_NONE) || 4494 (params->loopback_mode == LOOPBACK_EXT)) { 4495 if (bnx2x_is_sfp_module_plugged(phy, params)) 4496 bnx2x_sfp_module_detection(phy, params); 4497 else 4498 bnx2x_sfp_e3_set_transmitter(params, 4499 phy, 1); 4500 } 4501 4502 bnx2x_warpcore_config_sfi(phy, params); 4503 break; 4504 4505 case PORT_HW_CFG_NET_SERDES_IF_DXGXS: 4506 if (vars->line_speed != SPEED_20000) { 4507 DP(NETIF_MSG_LINK, "Speed not supported yet\n"); 4508 return; 4509 } 4510 DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n"); 4511 bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane); 4512 /* Issue Module detection */ 4513 4514 bnx2x_sfp_module_detection(phy, params); 4515 break; 4516 case PORT_HW_CFG_NET_SERDES_IF_KR2: 4517 if (!params->loopback_mode) { 4518 bnx2x_warpcore_enable_AN_KR(phy, params, vars); 4519 } else { 4520 DP(NETIF_MSG_LINK, "Setting KR 20G-Force\n"); 4521 bnx2x_warpcore_set_20G_force_KR2(phy, params); 4522 } 4523 break; 4524 default: 4525 DP(NETIF_MSG_LINK, 4526 "Unsupported Serdes Net Interface 0x%x\n", 4527 serdes_net_if); 4528 return; 4529 } 4530 } 4531 4532 /* Take lane out of reset after configuration is finished */ 4533 bnx2x_warpcore_reset_lane(bp, phy, 0); 4534 DP(NETIF_MSG_LINK, "Exit config init\n"); 4535 } 4536 4537 static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy, 4538 struct link_params *params) 4539 { 4540 struct bnx2x *bp = params->bp; 4541 u16 val16, lane; 4542 bnx2x_sfp_e3_set_transmitter(params, phy, 0); 4543 bnx2x_set_mdio_emac_per_phy(bp, params); 4544 bnx2x_set_aer_mmd(params, phy); 4545 /* Global register */ 4546 bnx2x_warpcore_reset_lane(bp, phy, 1); 4547 4548 /* Clear loopback settings (if any) */ 4549 /* 10G & 20G */ 4550 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD, 4551 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0xBFFF); 4552 4553 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD, 4554 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0xfffe); 4555 4556 /* Update those 1-copy registers */ 4557 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK, 4558 MDIO_AER_BLOCK_AER_REG, 0); 4559 /* Enable 1G MDIO (1-copy) */ 4560 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD, 4561 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, 4562 ~0x10); 4563 4564 bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD, 4565 MDIO_WC_REG_XGXSBLK1_LANECTRL2, 0xff00); 4566 lane = bnx2x_get_warpcore_lane(phy, params); 4567 /* Disable CL36 PCS Tx */ 4568 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 4569 MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16); 4570 val16 |= (0x11 << lane); 4571 if (phy->flags & FLAGS_WC_DUAL_MODE) 4572 val16 |= (0x22 << lane); 4573 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4574 MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16); 4575 4576 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 4577 MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16); 4578 val16 &= ~(0x0303 << (lane << 1)); 4579 val16 |= (0x0101 << (lane << 1)); 4580 if (phy->flags & FLAGS_WC_DUAL_MODE) { 4581 val16 &= ~(0x0c0c << (lane << 1)); 4582 val16 |= (0x0404 << (lane << 1)); 4583 } 4584 4585 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4586 MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16); 4587 /* Restore AER */ 4588 bnx2x_set_aer_mmd(params, phy); 4589 4590 } 4591 4592 static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy, 4593 struct link_params *params) 4594 { 4595 struct bnx2x *bp = params->bp; 4596 u16 val16; 4597 u32 lane; 4598 DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n", 4599 params->loopback_mode, phy->req_line_speed); 4600 4601 if (phy->req_line_speed < SPEED_10000 || 4602 phy->supported & SUPPORTED_20000baseKR2_Full) { 4603 /* 10/100/1000/20G-KR2 */ 4604 4605 /* Update those 1-copy registers */ 4606 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK, 4607 MDIO_AER_BLOCK_AER_REG, 0); 4608 /* Enable 1G MDIO (1-copy) */ 4609 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, 4610 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, 4611 0x10); 4612 /* Set 1G loopback based on lane (1-copy) */ 4613 lane = bnx2x_get_warpcore_lane(phy, params); 4614 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 4615 MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16); 4616 val16 |= (1<<lane); 4617 if (phy->flags & FLAGS_WC_DUAL_MODE) 4618 val16 |= (2<<lane); 4619 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4620 MDIO_WC_REG_XGXSBLK1_LANECTRL2, 4621 val16); 4622 4623 /* Switch back to 4-copy registers */ 4624 bnx2x_set_aer_mmd(params, phy); 4625 } else { 4626 /* 10G / 20G-DXGXS */ 4627 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, 4628 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 4629 0x4000); 4630 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, 4631 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1); 4632 } 4633 } 4634 4635 4636 4637 static void bnx2x_sync_link(struct link_params *params, 4638 struct link_vars *vars) 4639 { 4640 struct bnx2x *bp = params->bp; 4641 u8 link_10g_plus; 4642 if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG) 4643 vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG; 4644 vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP); 4645 if (vars->link_up) { 4646 DP(NETIF_MSG_LINK, "phy link up\n"); 4647 4648 vars->phy_link_up = 1; 4649 vars->duplex = DUPLEX_FULL; 4650 switch (vars->link_status & 4651 LINK_STATUS_SPEED_AND_DUPLEX_MASK) { 4652 case LINK_10THD: 4653 vars->duplex = DUPLEX_HALF; 4654 /* Fall thru */ 4655 case LINK_10TFD: 4656 vars->line_speed = SPEED_10; 4657 break; 4658 4659 case LINK_100TXHD: 4660 vars->duplex = DUPLEX_HALF; 4661 /* Fall thru */ 4662 case LINK_100T4: 4663 case LINK_100TXFD: 4664 vars->line_speed = SPEED_100; 4665 break; 4666 4667 case LINK_1000THD: 4668 vars->duplex = DUPLEX_HALF; 4669 /* Fall thru */ 4670 case LINK_1000TFD: 4671 vars->line_speed = SPEED_1000; 4672 break; 4673 4674 case LINK_2500THD: 4675 vars->duplex = DUPLEX_HALF; 4676 /* Fall thru */ 4677 case LINK_2500TFD: 4678 vars->line_speed = SPEED_2500; 4679 break; 4680 4681 case LINK_10GTFD: 4682 vars->line_speed = SPEED_10000; 4683 break; 4684 case LINK_20GTFD: 4685 vars->line_speed = SPEED_20000; 4686 break; 4687 default: 4688 break; 4689 } 4690 vars->flow_ctrl = 0; 4691 if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED) 4692 vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX; 4693 4694 if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED) 4695 vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX; 4696 4697 if (!vars->flow_ctrl) 4698 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE; 4699 4700 if (vars->line_speed && 4701 ((vars->line_speed == SPEED_10) || 4702 (vars->line_speed == SPEED_100))) { 4703 vars->phy_flags |= PHY_SGMII_FLAG; 4704 } else { 4705 vars->phy_flags &= ~PHY_SGMII_FLAG; 4706 } 4707 if (vars->line_speed && 4708 USES_WARPCORE(bp) && 4709 (vars->line_speed == SPEED_1000)) 4710 vars->phy_flags |= PHY_SGMII_FLAG; 4711 /* Anything 10 and over uses the bmac */ 4712 link_10g_plus = (vars->line_speed >= SPEED_10000); 4713 4714 if (link_10g_plus) { 4715 if (USES_WARPCORE(bp)) 4716 vars->mac_type = MAC_TYPE_XMAC; 4717 else 4718 vars->mac_type = MAC_TYPE_BMAC; 4719 } else { 4720 if (USES_WARPCORE(bp)) 4721 vars->mac_type = MAC_TYPE_UMAC; 4722 else 4723 vars->mac_type = MAC_TYPE_EMAC; 4724 } 4725 } else { /* Link down */ 4726 DP(NETIF_MSG_LINK, "phy link down\n"); 4727 4728 vars->phy_link_up = 0; 4729 4730 vars->line_speed = 0; 4731 vars->duplex = DUPLEX_FULL; 4732 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE; 4733 4734 /* Indicate no mac active */ 4735 vars->mac_type = MAC_TYPE_NONE; 4736 if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG) 4737 vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG; 4738 if (vars->link_status & LINK_STATUS_SFP_TX_FAULT) 4739 vars->phy_flags |= PHY_SFP_TX_FAULT_FLAG; 4740 } 4741 } 4742 4743 void bnx2x_link_status_update(struct link_params *params, 4744 struct link_vars *vars) 4745 { 4746 struct bnx2x *bp = params->bp; 4747 u8 port = params->port; 4748 u32 sync_offset, media_types; 4749 /* Update PHY configuration */ 4750 set_phy_vars(params, vars); 4751 4752 vars->link_status = REG_RD(bp, params->shmem_base + 4753 offsetof(struct shmem_region, 4754 port_mb[port].link_status)); 4755 4756 /* Force link UP in non LOOPBACK_EXT loopback mode(s) */ 4757 if (params->loopback_mode != LOOPBACK_NONE && 4758 params->loopback_mode != LOOPBACK_EXT) 4759 vars->link_status |= LINK_STATUS_LINK_UP; 4760 4761 if (bnx2x_eee_has_cap(params)) 4762 vars->eee_status = REG_RD(bp, params->shmem2_base + 4763 offsetof(struct shmem2_region, 4764 eee_status[params->port])); 4765 4766 vars->phy_flags = PHY_XGXS_FLAG; 4767 bnx2x_sync_link(params, vars); 4768 /* Sync media type */ 4769 sync_offset = params->shmem_base + 4770 offsetof(struct shmem_region, 4771 dev_info.port_hw_config[port].media_type); 4772 media_types = REG_RD(bp, sync_offset); 4773 4774 params->phy[INT_PHY].media_type = 4775 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >> 4776 PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT; 4777 params->phy[EXT_PHY1].media_type = 4778 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >> 4779 PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT; 4780 params->phy[EXT_PHY2].media_type = 4781 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >> 4782 PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT; 4783 DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types); 4784 4785 /* Sync AEU offset */ 4786 sync_offset = params->shmem_base + 4787 offsetof(struct shmem_region, 4788 dev_info.port_hw_config[port].aeu_int_mask); 4789 4790 vars->aeu_int_mask = REG_RD(bp, sync_offset); 4791 4792 /* Sync PFC status */ 4793 if (vars->link_status & LINK_STATUS_PFC_ENABLED) 4794 params->feature_config_flags |= 4795 FEATURE_CONFIG_PFC_ENABLED; 4796 else 4797 params->feature_config_flags &= 4798 ~FEATURE_CONFIG_PFC_ENABLED; 4799 4800 if (SHMEM2_HAS(bp, link_attr_sync)) 4801 vars->link_attr_sync = SHMEM2_RD(bp, 4802 link_attr_sync[params->port]); 4803 4804 DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n", 4805 vars->link_status, vars->phy_link_up, vars->aeu_int_mask); 4806 DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n", 4807 vars->line_speed, vars->duplex, vars->flow_ctrl); 4808 } 4809 4810 static void bnx2x_set_master_ln(struct link_params *params, 4811 struct bnx2x_phy *phy) 4812 { 4813 struct bnx2x *bp = params->bp; 4814 u16 new_master_ln, ser_lane; 4815 ser_lane = ((params->lane_config & 4816 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >> 4817 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT); 4818 4819 /* Set the master_ln for AN */ 4820 CL22_RD_OVER_CL45(bp, phy, 4821 MDIO_REG_BANK_XGXS_BLOCK2, 4822 MDIO_XGXS_BLOCK2_TEST_MODE_LANE, 4823 &new_master_ln); 4824 4825 CL22_WR_OVER_CL45(bp, phy, 4826 MDIO_REG_BANK_XGXS_BLOCK2 , 4827 MDIO_XGXS_BLOCK2_TEST_MODE_LANE, 4828 (new_master_ln | ser_lane)); 4829 } 4830 4831 static int bnx2x_reset_unicore(struct link_params *params, 4832 struct bnx2x_phy *phy, 4833 u8 set_serdes) 4834 { 4835 struct bnx2x *bp = params->bp; 4836 u16 mii_control; 4837 u16 i; 4838 CL22_RD_OVER_CL45(bp, phy, 4839 MDIO_REG_BANK_COMBO_IEEE0, 4840 MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control); 4841 4842 /* Reset the unicore */ 4843 CL22_WR_OVER_CL45(bp, phy, 4844 MDIO_REG_BANK_COMBO_IEEE0, 4845 MDIO_COMBO_IEEE0_MII_CONTROL, 4846 (mii_control | 4847 MDIO_COMBO_IEEO_MII_CONTROL_RESET)); 4848 if (set_serdes) 4849 bnx2x_set_serdes_access(bp, params->port); 4850 4851 /* Wait for the reset to self clear */ 4852 for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) { 4853 udelay(5); 4854 4855 /* The reset erased the previous bank value */ 4856 CL22_RD_OVER_CL45(bp, phy, 4857 MDIO_REG_BANK_COMBO_IEEE0, 4858 MDIO_COMBO_IEEE0_MII_CONTROL, 4859 &mii_control); 4860 4861 if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) { 4862 udelay(5); 4863 return 0; 4864 } 4865 } 4866 4867 netdev_err(bp->dev, "Warning: PHY was not initialized," 4868 " Port %d\n", 4869 params->port); 4870 DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n"); 4871 return -EINVAL; 4872 4873 } 4874 4875 static void bnx2x_set_swap_lanes(struct link_params *params, 4876 struct bnx2x_phy *phy) 4877 { 4878 struct bnx2x *bp = params->bp; 4879 /* Each two bits represents a lane number: 4880 * No swap is 0123 => 0x1b no need to enable the swap 4881 */ 4882 u16 rx_lane_swap, tx_lane_swap; 4883 4884 rx_lane_swap = ((params->lane_config & 4885 PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >> 4886 PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT); 4887 tx_lane_swap = ((params->lane_config & 4888 PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >> 4889 PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT); 4890 4891 if (rx_lane_swap != 0x1b) { 4892 CL22_WR_OVER_CL45(bp, phy, 4893 MDIO_REG_BANK_XGXS_BLOCK2, 4894 MDIO_XGXS_BLOCK2_RX_LN_SWAP, 4895 (rx_lane_swap | 4896 MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE | 4897 MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE)); 4898 } else { 4899 CL22_WR_OVER_CL45(bp, phy, 4900 MDIO_REG_BANK_XGXS_BLOCK2, 4901 MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0); 4902 } 4903 4904 if (tx_lane_swap != 0x1b) { 4905 CL22_WR_OVER_CL45(bp, phy, 4906 MDIO_REG_BANK_XGXS_BLOCK2, 4907 MDIO_XGXS_BLOCK2_TX_LN_SWAP, 4908 (tx_lane_swap | 4909 MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE)); 4910 } else { 4911 CL22_WR_OVER_CL45(bp, phy, 4912 MDIO_REG_BANK_XGXS_BLOCK2, 4913 MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0); 4914 } 4915 } 4916 4917 static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy, 4918 struct link_params *params) 4919 { 4920 struct bnx2x *bp = params->bp; 4921 u16 control2; 4922 CL22_RD_OVER_CL45(bp, phy, 4923 MDIO_REG_BANK_SERDES_DIGITAL, 4924 MDIO_SERDES_DIGITAL_A_1000X_CONTROL2, 4925 &control2); 4926 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) 4927 control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN; 4928 else 4929 control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN; 4930 DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n", 4931 phy->speed_cap_mask, control2); 4932 CL22_WR_OVER_CL45(bp, phy, 4933 MDIO_REG_BANK_SERDES_DIGITAL, 4934 MDIO_SERDES_DIGITAL_A_1000X_CONTROL2, 4935 control2); 4936 4937 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) && 4938 (phy->speed_cap_mask & 4939 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) { 4940 DP(NETIF_MSG_LINK, "XGXS\n"); 4941 4942 CL22_WR_OVER_CL45(bp, phy, 4943 MDIO_REG_BANK_10G_PARALLEL_DETECT, 4944 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK, 4945 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT); 4946 4947 CL22_RD_OVER_CL45(bp, phy, 4948 MDIO_REG_BANK_10G_PARALLEL_DETECT, 4949 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL, 4950 &control2); 4951 4952 4953 control2 |= 4954 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN; 4955 4956 CL22_WR_OVER_CL45(bp, phy, 4957 MDIO_REG_BANK_10G_PARALLEL_DETECT, 4958 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL, 4959 control2); 4960 4961 /* Disable parallel detection of HiG */ 4962 CL22_WR_OVER_CL45(bp, phy, 4963 MDIO_REG_BANK_XGXS_BLOCK2, 4964 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G, 4965 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS | 4966 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS); 4967 } 4968 } 4969 4970 static void bnx2x_set_autoneg(struct bnx2x_phy *phy, 4971 struct link_params *params, 4972 struct link_vars *vars, 4973 u8 enable_cl73) 4974 { 4975 struct bnx2x *bp = params->bp; 4976 u16 reg_val; 4977 4978 /* CL37 Autoneg */ 4979 CL22_RD_OVER_CL45(bp, phy, 4980 MDIO_REG_BANK_COMBO_IEEE0, 4981 MDIO_COMBO_IEEE0_MII_CONTROL, ®_val); 4982 4983 /* CL37 Autoneg Enabled */ 4984 if (vars->line_speed == SPEED_AUTO_NEG) 4985 reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN; 4986 else /* CL37 Autoneg Disabled */ 4987 reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN | 4988 MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN); 4989 4990 CL22_WR_OVER_CL45(bp, phy, 4991 MDIO_REG_BANK_COMBO_IEEE0, 4992 MDIO_COMBO_IEEE0_MII_CONTROL, reg_val); 4993 4994 /* Enable/Disable Autodetection */ 4995 4996 CL22_RD_OVER_CL45(bp, phy, 4997 MDIO_REG_BANK_SERDES_DIGITAL, 4998 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, ®_val); 4999 reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN | 5000 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT); 5001 reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE; 5002 if (vars->line_speed == SPEED_AUTO_NEG) 5003 reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET; 5004 else 5005 reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET; 5006 5007 CL22_WR_OVER_CL45(bp, phy, 5008 MDIO_REG_BANK_SERDES_DIGITAL, 5009 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val); 5010 5011 /* Enable TetonII and BAM autoneg */ 5012 CL22_RD_OVER_CL45(bp, phy, 5013 MDIO_REG_BANK_BAM_NEXT_PAGE, 5014 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL, 5015 ®_val); 5016 if (vars->line_speed == SPEED_AUTO_NEG) { 5017 /* Enable BAM aneg Mode and TetonII aneg Mode */ 5018 reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE | 5019 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN); 5020 } else { 5021 /* TetonII and BAM Autoneg Disabled */ 5022 reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE | 5023 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN); 5024 } 5025 CL22_WR_OVER_CL45(bp, phy, 5026 MDIO_REG_BANK_BAM_NEXT_PAGE, 5027 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL, 5028 reg_val); 5029 5030 if (enable_cl73) { 5031 /* Enable Cl73 FSM status bits */ 5032 CL22_WR_OVER_CL45(bp, phy, 5033 MDIO_REG_BANK_CL73_USERB0, 5034 MDIO_CL73_USERB0_CL73_UCTRL, 5035 0xe); 5036 5037 /* Enable BAM Station Manager*/ 5038 CL22_WR_OVER_CL45(bp, phy, 5039 MDIO_REG_BANK_CL73_USERB0, 5040 MDIO_CL73_USERB0_CL73_BAM_CTRL1, 5041 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN | 5042 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN | 5043 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN); 5044 5045 /* Advertise CL73 link speeds */ 5046 CL22_RD_OVER_CL45(bp, phy, 5047 MDIO_REG_BANK_CL73_IEEEB1, 5048 MDIO_CL73_IEEEB1_AN_ADV2, 5049 ®_val); 5050 if (phy->speed_cap_mask & 5051 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) 5052 reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4; 5053 if (phy->speed_cap_mask & 5054 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) 5055 reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX; 5056 5057 CL22_WR_OVER_CL45(bp, phy, 5058 MDIO_REG_BANK_CL73_IEEEB1, 5059 MDIO_CL73_IEEEB1_AN_ADV2, 5060 reg_val); 5061 5062 /* CL73 Autoneg Enabled */ 5063 reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN; 5064 5065 } else /* CL73 Autoneg Disabled */ 5066 reg_val = 0; 5067 5068 CL22_WR_OVER_CL45(bp, phy, 5069 MDIO_REG_BANK_CL73_IEEEB0, 5070 MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val); 5071 } 5072 5073 /* Program SerDes, forced speed */ 5074 static void bnx2x_program_serdes(struct bnx2x_phy *phy, 5075 struct link_params *params, 5076 struct link_vars *vars) 5077 { 5078 struct bnx2x *bp = params->bp; 5079 u16 reg_val; 5080 5081 /* Program duplex, disable autoneg and sgmii*/ 5082 CL22_RD_OVER_CL45(bp, phy, 5083 MDIO_REG_BANK_COMBO_IEEE0, 5084 MDIO_COMBO_IEEE0_MII_CONTROL, ®_val); 5085 reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX | 5086 MDIO_COMBO_IEEO_MII_CONTROL_AN_EN | 5087 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK); 5088 if (phy->req_duplex == DUPLEX_FULL) 5089 reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX; 5090 CL22_WR_OVER_CL45(bp, phy, 5091 MDIO_REG_BANK_COMBO_IEEE0, 5092 MDIO_COMBO_IEEE0_MII_CONTROL, reg_val); 5093 5094 /* Program speed 5095 * - needed only if the speed is greater than 1G (2.5G or 10G) 5096 */ 5097 CL22_RD_OVER_CL45(bp, phy, 5098 MDIO_REG_BANK_SERDES_DIGITAL, 5099 MDIO_SERDES_DIGITAL_MISC1, ®_val); 5100 /* Clearing the speed value before setting the right speed */ 5101 DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val); 5102 5103 reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK | 5104 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL); 5105 5106 if (!((vars->line_speed == SPEED_1000) || 5107 (vars->line_speed == SPEED_100) || 5108 (vars->line_speed == SPEED_10))) { 5109 5110 reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M | 5111 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL); 5112 if (vars->line_speed == SPEED_10000) 5113 reg_val |= 5114 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4; 5115 } 5116 5117 CL22_WR_OVER_CL45(bp, phy, 5118 MDIO_REG_BANK_SERDES_DIGITAL, 5119 MDIO_SERDES_DIGITAL_MISC1, reg_val); 5120 5121 } 5122 5123 static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy, 5124 struct link_params *params) 5125 { 5126 struct bnx2x *bp = params->bp; 5127 u16 val = 0; 5128 5129 /* Set extended capabilities */ 5130 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) 5131 val |= MDIO_OVER_1G_UP1_2_5G; 5132 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) 5133 val |= MDIO_OVER_1G_UP1_10G; 5134 CL22_WR_OVER_CL45(bp, phy, 5135 MDIO_REG_BANK_OVER_1G, 5136 MDIO_OVER_1G_UP1, val); 5137 5138 CL22_WR_OVER_CL45(bp, phy, 5139 MDIO_REG_BANK_OVER_1G, 5140 MDIO_OVER_1G_UP3, 0x400); 5141 } 5142 5143 static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy, 5144 struct link_params *params, 5145 u16 ieee_fc) 5146 { 5147 struct bnx2x *bp = params->bp; 5148 u16 val; 5149 /* For AN, we are always publishing full duplex */ 5150 5151 CL22_WR_OVER_CL45(bp, phy, 5152 MDIO_REG_BANK_COMBO_IEEE0, 5153 MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc); 5154 CL22_RD_OVER_CL45(bp, phy, 5155 MDIO_REG_BANK_CL73_IEEEB1, 5156 MDIO_CL73_IEEEB1_AN_ADV1, &val); 5157 val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH; 5158 val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK); 5159 CL22_WR_OVER_CL45(bp, phy, 5160 MDIO_REG_BANK_CL73_IEEEB1, 5161 MDIO_CL73_IEEEB1_AN_ADV1, val); 5162 } 5163 5164 static void bnx2x_restart_autoneg(struct bnx2x_phy *phy, 5165 struct link_params *params, 5166 u8 enable_cl73) 5167 { 5168 struct bnx2x *bp = params->bp; 5169 u16 mii_control; 5170 5171 DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n"); 5172 /* Enable and restart BAM/CL37 aneg */ 5173 5174 if (enable_cl73) { 5175 CL22_RD_OVER_CL45(bp, phy, 5176 MDIO_REG_BANK_CL73_IEEEB0, 5177 MDIO_CL73_IEEEB0_CL73_AN_CONTROL, 5178 &mii_control); 5179 5180 CL22_WR_OVER_CL45(bp, phy, 5181 MDIO_REG_BANK_CL73_IEEEB0, 5182 MDIO_CL73_IEEEB0_CL73_AN_CONTROL, 5183 (mii_control | 5184 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN | 5185 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN)); 5186 } else { 5187 5188 CL22_RD_OVER_CL45(bp, phy, 5189 MDIO_REG_BANK_COMBO_IEEE0, 5190 MDIO_COMBO_IEEE0_MII_CONTROL, 5191 &mii_control); 5192 DP(NETIF_MSG_LINK, 5193 "bnx2x_restart_autoneg mii_control before = 0x%x\n", 5194 mii_control); 5195 CL22_WR_OVER_CL45(bp, phy, 5196 MDIO_REG_BANK_COMBO_IEEE0, 5197 MDIO_COMBO_IEEE0_MII_CONTROL, 5198 (mii_control | 5199 MDIO_COMBO_IEEO_MII_CONTROL_AN_EN | 5200 MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN)); 5201 } 5202 } 5203 5204 static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy, 5205 struct link_params *params, 5206 struct link_vars *vars) 5207 { 5208 struct bnx2x *bp = params->bp; 5209 u16 control1; 5210 5211 /* In SGMII mode, the unicore is always slave */ 5212 5213 CL22_RD_OVER_CL45(bp, phy, 5214 MDIO_REG_BANK_SERDES_DIGITAL, 5215 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, 5216 &control1); 5217 control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT; 5218 /* Set sgmii mode (and not fiber) */ 5219 control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE | 5220 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET | 5221 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE); 5222 CL22_WR_OVER_CL45(bp, phy, 5223 MDIO_REG_BANK_SERDES_DIGITAL, 5224 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, 5225 control1); 5226 5227 /* If forced speed */ 5228 if (!(vars->line_speed == SPEED_AUTO_NEG)) { 5229 /* Set speed, disable autoneg */ 5230 u16 mii_control; 5231 5232 CL22_RD_OVER_CL45(bp, phy, 5233 MDIO_REG_BANK_COMBO_IEEE0, 5234 MDIO_COMBO_IEEE0_MII_CONTROL, 5235 &mii_control); 5236 mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN | 5237 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK| 5238 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX); 5239 5240 switch (vars->line_speed) { 5241 case SPEED_100: 5242 mii_control |= 5243 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100; 5244 break; 5245 case SPEED_1000: 5246 mii_control |= 5247 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000; 5248 break; 5249 case SPEED_10: 5250 /* There is nothing to set for 10M */ 5251 break; 5252 default: 5253 /* Invalid speed for SGMII */ 5254 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n", 5255 vars->line_speed); 5256 break; 5257 } 5258 5259 /* Setting the full duplex */ 5260 if (phy->req_duplex == DUPLEX_FULL) 5261 mii_control |= 5262 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX; 5263 CL22_WR_OVER_CL45(bp, phy, 5264 MDIO_REG_BANK_COMBO_IEEE0, 5265 MDIO_COMBO_IEEE0_MII_CONTROL, 5266 mii_control); 5267 5268 } else { /* AN mode */ 5269 /* Enable and restart AN */ 5270 bnx2x_restart_autoneg(phy, params, 0); 5271 } 5272 } 5273 5274 /* Link management 5275 */ 5276 static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy, 5277 struct link_params *params) 5278 { 5279 struct bnx2x *bp = params->bp; 5280 u16 pd_10g, status2_1000x; 5281 if (phy->req_line_speed != SPEED_AUTO_NEG) 5282 return 0; 5283 CL22_RD_OVER_CL45(bp, phy, 5284 MDIO_REG_BANK_SERDES_DIGITAL, 5285 MDIO_SERDES_DIGITAL_A_1000X_STATUS2, 5286 &status2_1000x); 5287 CL22_RD_OVER_CL45(bp, phy, 5288 MDIO_REG_BANK_SERDES_DIGITAL, 5289 MDIO_SERDES_DIGITAL_A_1000X_STATUS2, 5290 &status2_1000x); 5291 if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) { 5292 DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n", 5293 params->port); 5294 return 1; 5295 } 5296 5297 CL22_RD_OVER_CL45(bp, phy, 5298 MDIO_REG_BANK_10G_PARALLEL_DETECT, 5299 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS, 5300 &pd_10g); 5301 5302 if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) { 5303 DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n", 5304 params->port); 5305 return 1; 5306 } 5307 return 0; 5308 } 5309 5310 static void bnx2x_update_adv_fc(struct bnx2x_phy *phy, 5311 struct link_params *params, 5312 struct link_vars *vars, 5313 u32 gp_status) 5314 { 5315 u16 ld_pause; /* local driver */ 5316 u16 lp_pause; /* link partner */ 5317 u16 pause_result; 5318 struct bnx2x *bp = params->bp; 5319 if ((gp_status & 5320 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | 5321 MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) == 5322 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | 5323 MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) { 5324 5325 CL22_RD_OVER_CL45(bp, phy, 5326 MDIO_REG_BANK_CL73_IEEEB1, 5327 MDIO_CL73_IEEEB1_AN_ADV1, 5328 &ld_pause); 5329 CL22_RD_OVER_CL45(bp, phy, 5330 MDIO_REG_BANK_CL73_IEEEB1, 5331 MDIO_CL73_IEEEB1_AN_LP_ADV1, 5332 &lp_pause); 5333 pause_result = (ld_pause & 5334 MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK) >> 8; 5335 pause_result |= (lp_pause & 5336 MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK) >> 10; 5337 DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n", pause_result); 5338 } else { 5339 CL22_RD_OVER_CL45(bp, phy, 5340 MDIO_REG_BANK_COMBO_IEEE0, 5341 MDIO_COMBO_IEEE0_AUTO_NEG_ADV, 5342 &ld_pause); 5343 CL22_RD_OVER_CL45(bp, phy, 5344 MDIO_REG_BANK_COMBO_IEEE0, 5345 MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1, 5346 &lp_pause); 5347 pause_result = (ld_pause & 5348 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5; 5349 pause_result |= (lp_pause & 5350 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7; 5351 DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n", pause_result); 5352 } 5353 bnx2x_pause_resolve(vars, pause_result); 5354 5355 } 5356 5357 static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy, 5358 struct link_params *params, 5359 struct link_vars *vars, 5360 u32 gp_status) 5361 { 5362 struct bnx2x *bp = params->bp; 5363 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE; 5364 5365 /* Resolve from gp_status in case of AN complete and not sgmii */ 5366 if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) { 5367 /* Update the advertised flow-controled of LD/LP in AN */ 5368 if (phy->req_line_speed == SPEED_AUTO_NEG) 5369 bnx2x_update_adv_fc(phy, params, vars, gp_status); 5370 /* But set the flow-control result as the requested one */ 5371 vars->flow_ctrl = phy->req_flow_ctrl; 5372 } else if (phy->req_line_speed != SPEED_AUTO_NEG) 5373 vars->flow_ctrl = params->req_fc_auto_adv; 5374 else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) && 5375 (!(vars->phy_flags & PHY_SGMII_FLAG))) { 5376 if (bnx2x_direct_parallel_detect_used(phy, params)) { 5377 vars->flow_ctrl = params->req_fc_auto_adv; 5378 return; 5379 } 5380 bnx2x_update_adv_fc(phy, params, vars, gp_status); 5381 } 5382 DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl); 5383 } 5384 5385 static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy, 5386 struct link_params *params) 5387 { 5388 struct bnx2x *bp = params->bp; 5389 u16 rx_status, ustat_val, cl37_fsm_received; 5390 DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n"); 5391 /* Step 1: Make sure signal is detected */ 5392 CL22_RD_OVER_CL45(bp, phy, 5393 MDIO_REG_BANK_RX0, 5394 MDIO_RX0_RX_STATUS, 5395 &rx_status); 5396 if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) != 5397 (MDIO_RX0_RX_STATUS_SIGDET)) { 5398 DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73." 5399 "rx_status(0x80b0) = 0x%x\n", rx_status); 5400 CL22_WR_OVER_CL45(bp, phy, 5401 MDIO_REG_BANK_CL73_IEEEB0, 5402 MDIO_CL73_IEEEB0_CL73_AN_CONTROL, 5403 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN); 5404 return; 5405 } 5406 /* Step 2: Check CL73 state machine */ 5407 CL22_RD_OVER_CL45(bp, phy, 5408 MDIO_REG_BANK_CL73_USERB0, 5409 MDIO_CL73_USERB0_CL73_USTAT1, 5410 &ustat_val); 5411 if ((ustat_val & 5412 (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK | 5413 MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) != 5414 (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK | 5415 MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) { 5416 DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. " 5417 "ustat_val(0x8371) = 0x%x\n", ustat_val); 5418 return; 5419 } 5420 /* Step 3: Check CL37 Message Pages received to indicate LP 5421 * supports only CL37 5422 */ 5423 CL22_RD_OVER_CL45(bp, phy, 5424 MDIO_REG_BANK_REMOTE_PHY, 5425 MDIO_REMOTE_PHY_MISC_RX_STATUS, 5426 &cl37_fsm_received); 5427 if ((cl37_fsm_received & 5428 (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG | 5429 MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) != 5430 (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG | 5431 MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) { 5432 DP(NETIF_MSG_LINK, "No CL37 FSM were received. " 5433 "misc_rx_status(0x8330) = 0x%x\n", 5434 cl37_fsm_received); 5435 return; 5436 } 5437 /* The combined cl37/cl73 fsm state information indicating that 5438 * we are connected to a device which does not support cl73, but 5439 * does support cl37 BAM. In this case we disable cl73 and 5440 * restart cl37 auto-neg 5441 */ 5442 5443 /* Disable CL73 */ 5444 CL22_WR_OVER_CL45(bp, phy, 5445 MDIO_REG_BANK_CL73_IEEEB0, 5446 MDIO_CL73_IEEEB0_CL73_AN_CONTROL, 5447 0); 5448 /* Restart CL37 autoneg */ 5449 bnx2x_restart_autoneg(phy, params, 0); 5450 DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n"); 5451 } 5452 5453 static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy, 5454 struct link_params *params, 5455 struct link_vars *vars, 5456 u32 gp_status) 5457 { 5458 if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE) 5459 vars->link_status |= 5460 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE; 5461 5462 if (bnx2x_direct_parallel_detect_used(phy, params)) 5463 vars->link_status |= 5464 LINK_STATUS_PARALLEL_DETECTION_USED; 5465 } 5466 static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy, 5467 struct link_params *params, 5468 struct link_vars *vars, 5469 u16 is_link_up, 5470 u16 speed_mask, 5471 u16 is_duplex) 5472 { 5473 struct bnx2x *bp = params->bp; 5474 if (phy->req_line_speed == SPEED_AUTO_NEG) 5475 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED; 5476 if (is_link_up) { 5477 DP(NETIF_MSG_LINK, "phy link up\n"); 5478 5479 vars->phy_link_up = 1; 5480 vars->link_status |= LINK_STATUS_LINK_UP; 5481 5482 switch (speed_mask) { 5483 case GP_STATUS_10M: 5484 vars->line_speed = SPEED_10; 5485 if (is_duplex == DUPLEX_FULL) 5486 vars->link_status |= LINK_10TFD; 5487 else 5488 vars->link_status |= LINK_10THD; 5489 break; 5490 5491 case GP_STATUS_100M: 5492 vars->line_speed = SPEED_100; 5493 if (is_duplex == DUPLEX_FULL) 5494 vars->link_status |= LINK_100TXFD; 5495 else 5496 vars->link_status |= LINK_100TXHD; 5497 break; 5498 5499 case GP_STATUS_1G: 5500 case GP_STATUS_1G_KX: 5501 vars->line_speed = SPEED_1000; 5502 if (is_duplex == DUPLEX_FULL) 5503 vars->link_status |= LINK_1000TFD; 5504 else 5505 vars->link_status |= LINK_1000THD; 5506 break; 5507 5508 case GP_STATUS_2_5G: 5509 vars->line_speed = SPEED_2500; 5510 if (is_duplex == DUPLEX_FULL) 5511 vars->link_status |= LINK_2500TFD; 5512 else 5513 vars->link_status |= LINK_2500THD; 5514 break; 5515 5516 case GP_STATUS_5G: 5517 case GP_STATUS_6G: 5518 DP(NETIF_MSG_LINK, 5519 "link speed unsupported gp_status 0x%x\n", 5520 speed_mask); 5521 return -EINVAL; 5522 5523 case GP_STATUS_10G_KX4: 5524 case GP_STATUS_10G_HIG: 5525 case GP_STATUS_10G_CX4: 5526 case GP_STATUS_10G_KR: 5527 case GP_STATUS_10G_SFI: 5528 case GP_STATUS_10G_XFI: 5529 vars->line_speed = SPEED_10000; 5530 vars->link_status |= LINK_10GTFD; 5531 break; 5532 case GP_STATUS_20G_DXGXS: 5533 case GP_STATUS_20G_KR2: 5534 vars->line_speed = SPEED_20000; 5535 vars->link_status |= LINK_20GTFD; 5536 break; 5537 default: 5538 DP(NETIF_MSG_LINK, 5539 "link speed unsupported gp_status 0x%x\n", 5540 speed_mask); 5541 return -EINVAL; 5542 } 5543 } else { /* link_down */ 5544 DP(NETIF_MSG_LINK, "phy link down\n"); 5545 5546 vars->phy_link_up = 0; 5547 5548 vars->duplex = DUPLEX_FULL; 5549 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE; 5550 vars->mac_type = MAC_TYPE_NONE; 5551 } 5552 DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n", 5553 vars->phy_link_up, vars->line_speed); 5554 return 0; 5555 } 5556 5557 static int bnx2x_link_settings_status(struct bnx2x_phy *phy, 5558 struct link_params *params, 5559 struct link_vars *vars) 5560 { 5561 struct bnx2x *bp = params->bp; 5562 5563 u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask; 5564 int rc = 0; 5565 5566 /* Read gp_status */ 5567 CL22_RD_OVER_CL45(bp, phy, 5568 MDIO_REG_BANK_GP_STATUS, 5569 MDIO_GP_STATUS_TOP_AN_STATUS1, 5570 &gp_status); 5571 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS) 5572 duplex = DUPLEX_FULL; 5573 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) 5574 link_up = 1; 5575 speed_mask = gp_status & GP_STATUS_SPEED_MASK; 5576 DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n", 5577 gp_status, link_up, speed_mask); 5578 rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask, 5579 duplex); 5580 if (rc == -EINVAL) 5581 return rc; 5582 5583 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) { 5584 if (SINGLE_MEDIA_DIRECT(params)) { 5585 vars->duplex = duplex; 5586 bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status); 5587 if (phy->req_line_speed == SPEED_AUTO_NEG) 5588 bnx2x_xgxs_an_resolve(phy, params, vars, 5589 gp_status); 5590 } 5591 } else { /* Link_down */ 5592 if ((phy->req_line_speed == SPEED_AUTO_NEG) && 5593 SINGLE_MEDIA_DIRECT(params)) { 5594 /* Check signal is detected */ 5595 bnx2x_check_fallback_to_cl37(phy, params); 5596 } 5597 } 5598 5599 /* Read LP advertised speeds*/ 5600 if (SINGLE_MEDIA_DIRECT(params) && 5601 (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)) { 5602 u16 val; 5603 5604 CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB1, 5605 MDIO_CL73_IEEEB1_AN_LP_ADV2, &val); 5606 5607 if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX) 5608 vars->link_status |= 5609 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE; 5610 if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 | 5611 MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR)) 5612 vars->link_status |= 5613 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE; 5614 5615 CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_OVER_1G, 5616 MDIO_OVER_1G_LP_UP1, &val); 5617 5618 if (val & MDIO_OVER_1G_UP1_2_5G) 5619 vars->link_status |= 5620 LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE; 5621 if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH)) 5622 vars->link_status |= 5623 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE; 5624 } 5625 5626 DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n", 5627 vars->duplex, vars->flow_ctrl, vars->link_status); 5628 return rc; 5629 } 5630 5631 static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy, 5632 struct link_params *params, 5633 struct link_vars *vars) 5634 { 5635 struct bnx2x *bp = params->bp; 5636 u8 lane; 5637 u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL; 5638 int rc = 0; 5639 lane = bnx2x_get_warpcore_lane(phy, params); 5640 /* Read gp_status */ 5641 if ((params->loopback_mode) && 5642 (phy->flags & FLAGS_WC_DUAL_MODE)) { 5643 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 5644 MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up); 5645 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 5646 MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up); 5647 link_up &= 0x1; 5648 } else if ((phy->req_line_speed > SPEED_10000) && 5649 (phy->supported & SUPPORTED_20000baseMLD2_Full)) { 5650 u16 temp_link_up; 5651 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 5652 1, &temp_link_up); 5653 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 5654 1, &link_up); 5655 DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n", 5656 temp_link_up, link_up); 5657 link_up &= (1<<2); 5658 if (link_up) 5659 bnx2x_ext_phy_resolve_fc(phy, params, vars); 5660 } else { 5661 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 5662 MDIO_WC_REG_GP2_STATUS_GP_2_1, 5663 &gp_status1); 5664 DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1); 5665 /* Check for either KR, 1G, or AN up. */ 5666 link_up = ((gp_status1 >> 8) | 5667 (gp_status1 >> 12) | 5668 (gp_status1)) & 5669 (1 << lane); 5670 if (phy->supported & SUPPORTED_20000baseKR2_Full) { 5671 u16 an_link; 5672 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, 5673 MDIO_AN_REG_STATUS, &an_link); 5674 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, 5675 MDIO_AN_REG_STATUS, &an_link); 5676 link_up |= (an_link & (1<<2)); 5677 } 5678 if (link_up && SINGLE_MEDIA_DIRECT(params)) { 5679 u16 pd, gp_status4; 5680 if (phy->req_line_speed == SPEED_AUTO_NEG) { 5681 /* Check Autoneg complete */ 5682 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 5683 MDIO_WC_REG_GP2_STATUS_GP_2_4, 5684 &gp_status4); 5685 if (gp_status4 & ((1<<12)<<lane)) 5686 vars->link_status |= 5687 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE; 5688 5689 /* Check parallel detect used */ 5690 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 5691 MDIO_WC_REG_PAR_DET_10G_STATUS, 5692 &pd); 5693 if (pd & (1<<15)) 5694 vars->link_status |= 5695 LINK_STATUS_PARALLEL_DETECTION_USED; 5696 } 5697 bnx2x_ext_phy_resolve_fc(phy, params, vars); 5698 vars->duplex = duplex; 5699 } 5700 } 5701 5702 if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) && 5703 SINGLE_MEDIA_DIRECT(params)) { 5704 u16 val; 5705 5706 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, 5707 MDIO_AN_REG_LP_AUTO_NEG2, &val); 5708 5709 if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX) 5710 vars->link_status |= 5711 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE; 5712 if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 | 5713 MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR)) 5714 vars->link_status |= 5715 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE; 5716 5717 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 5718 MDIO_WC_REG_DIGITAL3_LP_UP1, &val); 5719 5720 if (val & MDIO_OVER_1G_UP1_2_5G) 5721 vars->link_status |= 5722 LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE; 5723 if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH)) 5724 vars->link_status |= 5725 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE; 5726 5727 } 5728 5729 5730 if (lane < 2) { 5731 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 5732 MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed); 5733 } else { 5734 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 5735 MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed); 5736 } 5737 DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed); 5738 5739 if ((lane & 1) == 0) 5740 gp_speed <<= 8; 5741 gp_speed &= 0x3f00; 5742 link_up = !!link_up; 5743 5744 rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed, 5745 duplex); 5746 5747 /* In case of KR link down, start up the recovering procedure */ 5748 if ((!link_up) && (phy->media_type == ETH_PHY_KR) && 5749 (!(phy->flags & FLAGS_WC_DUAL_MODE))) 5750 vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY; 5751 5752 DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n", 5753 vars->duplex, vars->flow_ctrl, vars->link_status); 5754 return rc; 5755 } 5756 static void bnx2x_set_gmii_tx_driver(struct link_params *params) 5757 { 5758 struct bnx2x *bp = params->bp; 5759 struct bnx2x_phy *phy = ¶ms->phy[INT_PHY]; 5760 u16 lp_up2; 5761 u16 tx_driver; 5762 u16 bank; 5763 5764 /* Read precomp */ 5765 CL22_RD_OVER_CL45(bp, phy, 5766 MDIO_REG_BANK_OVER_1G, 5767 MDIO_OVER_1G_LP_UP2, &lp_up2); 5768 5769 /* Bits [10:7] at lp_up2, positioned at [15:12] */ 5770 lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >> 5771 MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) << 5772 MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT); 5773 5774 if (lp_up2 == 0) 5775 return; 5776 5777 for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3; 5778 bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) { 5779 CL22_RD_OVER_CL45(bp, phy, 5780 bank, 5781 MDIO_TX0_TX_DRIVER, &tx_driver); 5782 5783 /* Replace tx_driver bits [15:12] */ 5784 if (lp_up2 != 5785 (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) { 5786 tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK; 5787 tx_driver |= lp_up2; 5788 CL22_WR_OVER_CL45(bp, phy, 5789 bank, 5790 MDIO_TX0_TX_DRIVER, tx_driver); 5791 } 5792 } 5793 } 5794 5795 static int bnx2x_emac_program(struct link_params *params, 5796 struct link_vars *vars) 5797 { 5798 struct bnx2x *bp = params->bp; 5799 u8 port = params->port; 5800 u16 mode = 0; 5801 5802 DP(NETIF_MSG_LINK, "setting link speed & duplex\n"); 5803 bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 + 5804 EMAC_REG_EMAC_MODE, 5805 (EMAC_MODE_25G_MODE | 5806 EMAC_MODE_PORT_MII_10M | 5807 EMAC_MODE_HALF_DUPLEX)); 5808 switch (vars->line_speed) { 5809 case SPEED_10: 5810 mode |= EMAC_MODE_PORT_MII_10M; 5811 break; 5812 5813 case SPEED_100: 5814 mode |= EMAC_MODE_PORT_MII; 5815 break; 5816 5817 case SPEED_1000: 5818 mode |= EMAC_MODE_PORT_GMII; 5819 break; 5820 5821 case SPEED_2500: 5822 mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII); 5823 break; 5824 5825 default: 5826 /* 10G not valid for EMAC */ 5827 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n", 5828 vars->line_speed); 5829 return -EINVAL; 5830 } 5831 5832 if (vars->duplex == DUPLEX_HALF) 5833 mode |= EMAC_MODE_HALF_DUPLEX; 5834 bnx2x_bits_en(bp, 5835 GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE, 5836 mode); 5837 5838 bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed); 5839 return 0; 5840 } 5841 5842 static void bnx2x_set_preemphasis(struct bnx2x_phy *phy, 5843 struct link_params *params) 5844 { 5845 5846 u16 bank, i = 0; 5847 struct bnx2x *bp = params->bp; 5848 5849 for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3; 5850 bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) { 5851 CL22_WR_OVER_CL45(bp, phy, 5852 bank, 5853 MDIO_RX0_RX_EQ_BOOST, 5854 phy->rx_preemphasis[i]); 5855 } 5856 5857 for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3; 5858 bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) { 5859 CL22_WR_OVER_CL45(bp, phy, 5860 bank, 5861 MDIO_TX0_TX_DRIVER, 5862 phy->tx_preemphasis[i]); 5863 } 5864 } 5865 5866 static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy, 5867 struct link_params *params, 5868 struct link_vars *vars) 5869 { 5870 struct bnx2x *bp = params->bp; 5871 u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) || 5872 (params->loopback_mode == LOOPBACK_XGXS)); 5873 if (!(vars->phy_flags & PHY_SGMII_FLAG)) { 5874 if (SINGLE_MEDIA_DIRECT(params) && 5875 (params->feature_config_flags & 5876 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) 5877 bnx2x_set_preemphasis(phy, params); 5878 5879 /* Forced speed requested? */ 5880 if (vars->line_speed != SPEED_AUTO_NEG || 5881 (SINGLE_MEDIA_DIRECT(params) && 5882 params->loopback_mode == LOOPBACK_EXT)) { 5883 DP(NETIF_MSG_LINK, "not SGMII, no AN\n"); 5884 5885 /* Disable autoneg */ 5886 bnx2x_set_autoneg(phy, params, vars, 0); 5887 5888 /* Program speed and duplex */ 5889 bnx2x_program_serdes(phy, params, vars); 5890 5891 } else { /* AN_mode */ 5892 DP(NETIF_MSG_LINK, "not SGMII, AN\n"); 5893 5894 /* AN enabled */ 5895 bnx2x_set_brcm_cl37_advertisement(phy, params); 5896 5897 /* Program duplex & pause advertisement (for aneg) */ 5898 bnx2x_set_ieee_aneg_advertisement(phy, params, 5899 vars->ieee_fc); 5900 5901 /* Enable autoneg */ 5902 bnx2x_set_autoneg(phy, params, vars, enable_cl73); 5903 5904 /* Enable and restart AN */ 5905 bnx2x_restart_autoneg(phy, params, enable_cl73); 5906 } 5907 5908 } else { /* SGMII mode */ 5909 DP(NETIF_MSG_LINK, "SGMII\n"); 5910 5911 bnx2x_initialize_sgmii_process(phy, params, vars); 5912 } 5913 } 5914 5915 static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy, 5916 struct link_params *params, 5917 struct link_vars *vars) 5918 { 5919 int rc; 5920 vars->phy_flags |= PHY_XGXS_FLAG; 5921 if ((phy->req_line_speed && 5922 ((phy->req_line_speed == SPEED_100) || 5923 (phy->req_line_speed == SPEED_10))) || 5924 (!phy->req_line_speed && 5925 (phy->speed_cap_mask >= 5926 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) && 5927 (phy->speed_cap_mask < 5928 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) || 5929 (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD)) 5930 vars->phy_flags |= PHY_SGMII_FLAG; 5931 else 5932 vars->phy_flags &= ~PHY_SGMII_FLAG; 5933 5934 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc); 5935 bnx2x_set_aer_mmd(params, phy); 5936 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) 5937 bnx2x_set_master_ln(params, phy); 5938 5939 rc = bnx2x_reset_unicore(params, phy, 0); 5940 /* Reset the SerDes and wait for reset bit return low */ 5941 if (rc) 5942 return rc; 5943 5944 bnx2x_set_aer_mmd(params, phy); 5945 /* Setting the masterLn_def again after the reset */ 5946 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) { 5947 bnx2x_set_master_ln(params, phy); 5948 bnx2x_set_swap_lanes(params, phy); 5949 } 5950 5951 return rc; 5952 } 5953 5954 static u16 bnx2x_wait_reset_complete(struct bnx2x *bp, 5955 struct bnx2x_phy *phy, 5956 struct link_params *params) 5957 { 5958 u16 cnt, ctrl; 5959 /* Wait for soft reset to get cleared up to 1 sec */ 5960 for (cnt = 0; cnt < 1000; cnt++) { 5961 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) 5962 bnx2x_cl22_read(bp, phy, 5963 MDIO_PMA_REG_CTRL, &ctrl); 5964 else 5965 bnx2x_cl45_read(bp, phy, 5966 MDIO_PMA_DEVAD, 5967 MDIO_PMA_REG_CTRL, &ctrl); 5968 if (!(ctrl & (1<<15))) 5969 break; 5970 usleep_range(1000, 2000); 5971 } 5972 5973 if (cnt == 1000) 5974 netdev_err(bp->dev, "Warning: PHY was not initialized," 5975 " Port %d\n", 5976 params->port); 5977 DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt); 5978 return cnt; 5979 } 5980 5981 static void bnx2x_link_int_enable(struct link_params *params) 5982 { 5983 u8 port = params->port; 5984 u32 mask; 5985 struct bnx2x *bp = params->bp; 5986 5987 /* Setting the status to report on link up for either XGXS or SerDes */ 5988 if (CHIP_IS_E3(bp)) { 5989 mask = NIG_MASK_XGXS0_LINK_STATUS; 5990 if (!(SINGLE_MEDIA_DIRECT(params))) 5991 mask |= NIG_MASK_MI_INT; 5992 } else if (params->switch_cfg == SWITCH_CFG_10G) { 5993 mask = (NIG_MASK_XGXS0_LINK10G | 5994 NIG_MASK_XGXS0_LINK_STATUS); 5995 DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n"); 5996 if (!(SINGLE_MEDIA_DIRECT(params)) && 5997 params->phy[INT_PHY].type != 5998 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) { 5999 mask |= NIG_MASK_MI_INT; 6000 DP(NETIF_MSG_LINK, "enabled external phy int\n"); 6001 } 6002 6003 } else { /* SerDes */ 6004 mask = NIG_MASK_SERDES0_LINK_STATUS; 6005 DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n"); 6006 if (!(SINGLE_MEDIA_DIRECT(params)) && 6007 params->phy[INT_PHY].type != 6008 PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) { 6009 mask |= NIG_MASK_MI_INT; 6010 DP(NETIF_MSG_LINK, "enabled external phy int\n"); 6011 } 6012 } 6013 bnx2x_bits_en(bp, 6014 NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 6015 mask); 6016 6017 DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port, 6018 (params->switch_cfg == SWITCH_CFG_10G), 6019 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4)); 6020 DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n", 6021 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4), 6022 REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18), 6023 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c)); 6024 DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n", 6025 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68), 6026 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68)); 6027 } 6028 6029 static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port, 6030 u8 exp_mi_int) 6031 { 6032 u32 latch_status = 0; 6033 6034 /* Disable the MI INT ( external phy int ) by writing 1 to the 6035 * status register. Link down indication is high-active-signal, 6036 * so in this case we need to write the status to clear the XOR 6037 */ 6038 /* Read Latched signals */ 6039 latch_status = REG_RD(bp, 6040 NIG_REG_LATCH_STATUS_0 + port*8); 6041 DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status); 6042 /* Handle only those with latched-signal=up.*/ 6043 if (exp_mi_int) 6044 bnx2x_bits_en(bp, 6045 NIG_REG_STATUS_INTERRUPT_PORT0 6046 + port*4, 6047 NIG_STATUS_EMAC0_MI_INT); 6048 else 6049 bnx2x_bits_dis(bp, 6050 NIG_REG_STATUS_INTERRUPT_PORT0 6051 + port*4, 6052 NIG_STATUS_EMAC0_MI_INT); 6053 6054 if (latch_status & 1) { 6055 6056 /* For all latched-signal=up : Re-Arm Latch signals */ 6057 REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8, 6058 (latch_status & 0xfffe) | (latch_status & 1)); 6059 } 6060 /* For all latched-signal=up,Write original_signal to status */ 6061 } 6062 6063 static void bnx2x_link_int_ack(struct link_params *params, 6064 struct link_vars *vars, u8 is_10g_plus) 6065 { 6066 struct bnx2x *bp = params->bp; 6067 u8 port = params->port; 6068 u32 mask; 6069 /* First reset all status we assume only one line will be 6070 * change at a time 6071 */ 6072 bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4, 6073 (NIG_STATUS_XGXS0_LINK10G | 6074 NIG_STATUS_XGXS0_LINK_STATUS | 6075 NIG_STATUS_SERDES0_LINK_STATUS)); 6076 if (vars->phy_link_up) { 6077 if (USES_WARPCORE(bp)) 6078 mask = NIG_STATUS_XGXS0_LINK_STATUS; 6079 else { 6080 if (is_10g_plus) 6081 mask = NIG_STATUS_XGXS0_LINK10G; 6082 else if (params->switch_cfg == SWITCH_CFG_10G) { 6083 /* Disable the link interrupt by writing 1 to 6084 * the relevant lane in the status register 6085 */ 6086 u32 ser_lane = 6087 ((params->lane_config & 6088 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >> 6089 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT); 6090 mask = ((1 << ser_lane) << 6091 NIG_STATUS_XGXS0_LINK_STATUS_SIZE); 6092 } else 6093 mask = NIG_STATUS_SERDES0_LINK_STATUS; 6094 } 6095 DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n", 6096 mask); 6097 bnx2x_bits_en(bp, 6098 NIG_REG_STATUS_INTERRUPT_PORT0 + port*4, 6099 mask); 6100 } 6101 } 6102 6103 static int bnx2x_format_ver(u32 num, u8 *str, u16 *len) 6104 { 6105 u8 *str_ptr = str; 6106 u32 mask = 0xf0000000; 6107 u8 shift = 8*4; 6108 u8 digit; 6109 u8 remove_leading_zeros = 1; 6110 if (*len < 10) { 6111 /* Need more than 10chars for this format */ 6112 *str_ptr = '\0'; 6113 (*len)--; 6114 return -EINVAL; 6115 } 6116 while (shift > 0) { 6117 6118 shift -= 4; 6119 digit = ((num & mask) >> shift); 6120 if (digit == 0 && remove_leading_zeros) { 6121 mask = mask >> 4; 6122 continue; 6123 } else if (digit < 0xa) 6124 *str_ptr = digit + '0'; 6125 else 6126 *str_ptr = digit - 0xa + 'a'; 6127 remove_leading_zeros = 0; 6128 str_ptr++; 6129 (*len)--; 6130 mask = mask >> 4; 6131 if (shift == 4*4) { 6132 *str_ptr = '.'; 6133 str_ptr++; 6134 (*len)--; 6135 remove_leading_zeros = 1; 6136 } 6137 } 6138 return 0; 6139 } 6140 6141 6142 static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len) 6143 { 6144 str[0] = '\0'; 6145 (*len)--; 6146 return 0; 6147 } 6148 6149 int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 *version, 6150 u16 len) 6151 { 6152 struct bnx2x *bp; 6153 u32 spirom_ver = 0; 6154 int status = 0; 6155 u8 *ver_p = version; 6156 u16 remain_len = len; 6157 if (version == NULL || params == NULL) 6158 return -EINVAL; 6159 bp = params->bp; 6160 6161 /* Extract first external phy*/ 6162 version[0] = '\0'; 6163 spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr); 6164 6165 if (params->phy[EXT_PHY1].format_fw_ver) { 6166 status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver, 6167 ver_p, 6168 &remain_len); 6169 ver_p += (len - remain_len); 6170 } 6171 if ((params->num_phys == MAX_PHYS) && 6172 (params->phy[EXT_PHY2].ver_addr != 0)) { 6173 spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr); 6174 if (params->phy[EXT_PHY2].format_fw_ver) { 6175 *ver_p = '/'; 6176 ver_p++; 6177 remain_len--; 6178 status |= params->phy[EXT_PHY2].format_fw_ver( 6179 spirom_ver, 6180 ver_p, 6181 &remain_len); 6182 ver_p = version + (len - remain_len); 6183 } 6184 } 6185 *ver_p = '\0'; 6186 return status; 6187 } 6188 6189 static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy, 6190 struct link_params *params) 6191 { 6192 u8 port = params->port; 6193 struct bnx2x *bp = params->bp; 6194 6195 if (phy->req_line_speed != SPEED_1000) { 6196 u32 md_devad = 0; 6197 6198 DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n"); 6199 6200 if (!CHIP_IS_E3(bp)) { 6201 /* Change the uni_phy_addr in the nig */ 6202 md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD + 6203 port*0x18)); 6204 6205 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18, 6206 0x5); 6207 } 6208 6209 bnx2x_cl45_write(bp, phy, 6210 5, 6211 (MDIO_REG_BANK_AER_BLOCK + 6212 (MDIO_AER_BLOCK_AER_REG & 0xf)), 6213 0x2800); 6214 6215 bnx2x_cl45_write(bp, phy, 6216 5, 6217 (MDIO_REG_BANK_CL73_IEEEB0 + 6218 (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)), 6219 0x6041); 6220 msleep(200); 6221 /* Set aer mmd back */ 6222 bnx2x_set_aer_mmd(params, phy); 6223 6224 if (!CHIP_IS_E3(bp)) { 6225 /* And md_devad */ 6226 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18, 6227 md_devad); 6228 } 6229 } else { 6230 u16 mii_ctrl; 6231 DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n"); 6232 bnx2x_cl45_read(bp, phy, 5, 6233 (MDIO_REG_BANK_COMBO_IEEE0 + 6234 (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)), 6235 &mii_ctrl); 6236 bnx2x_cl45_write(bp, phy, 5, 6237 (MDIO_REG_BANK_COMBO_IEEE0 + 6238 (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)), 6239 mii_ctrl | 6240 MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK); 6241 } 6242 } 6243 6244 int bnx2x_set_led(struct link_params *params, 6245 struct link_vars *vars, u8 mode, u32 speed) 6246 { 6247 u8 port = params->port; 6248 u16 hw_led_mode = params->hw_led_mode; 6249 int rc = 0; 6250 u8 phy_idx; 6251 u32 tmp; 6252 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0; 6253 struct bnx2x *bp = params->bp; 6254 DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode); 6255 DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n", 6256 speed, hw_led_mode); 6257 /* In case */ 6258 for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) { 6259 if (params->phy[phy_idx].set_link_led) { 6260 params->phy[phy_idx].set_link_led( 6261 ¶ms->phy[phy_idx], params, mode); 6262 } 6263 } 6264 6265 switch (mode) { 6266 case LED_MODE_FRONT_PANEL_OFF: 6267 case LED_MODE_OFF: 6268 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0); 6269 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 6270 SHARED_HW_CFG_LED_MAC1); 6271 6272 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED); 6273 if (params->phy[EXT_PHY1].type == 6274 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) 6275 tmp &= ~(EMAC_LED_1000MB_OVERRIDE | 6276 EMAC_LED_100MB_OVERRIDE | 6277 EMAC_LED_10MB_OVERRIDE); 6278 else 6279 tmp |= EMAC_LED_OVERRIDE; 6280 6281 EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp); 6282 break; 6283 6284 case LED_MODE_OPER: 6285 /* For all other phys, OPER mode is same as ON, so in case 6286 * link is down, do nothing 6287 */ 6288 if (!vars->link_up) 6289 break; 6290 case LED_MODE_ON: 6291 if (((params->phy[EXT_PHY1].type == 6292 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) || 6293 (params->phy[EXT_PHY1].type == 6294 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) && 6295 CHIP_IS_E2(bp) && params->num_phys == 2) { 6296 /* This is a work-around for E2+8727 Configurations */ 6297 if (mode == LED_MODE_ON || 6298 speed == SPEED_10000){ 6299 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0); 6300 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1); 6301 6302 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED); 6303 EMAC_WR(bp, EMAC_REG_EMAC_LED, 6304 (tmp | EMAC_LED_OVERRIDE)); 6305 /* Return here without enabling traffic 6306 * LED blink and setting rate in ON mode. 6307 * In oper mode, enabling LED blink 6308 * and setting rate is needed. 6309 */ 6310 if (mode == LED_MODE_ON) 6311 return rc; 6312 } 6313 } else if (SINGLE_MEDIA_DIRECT(params)) { 6314 /* This is a work-around for HW issue found when link 6315 * is up in CL73 6316 */ 6317 if ((!CHIP_IS_E3(bp)) || 6318 (CHIP_IS_E3(bp) && 6319 mode == LED_MODE_ON)) 6320 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1); 6321 6322 if (CHIP_IS_E1x(bp) || 6323 CHIP_IS_E2(bp) || 6324 (mode == LED_MODE_ON)) 6325 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0); 6326 else 6327 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 6328 hw_led_mode); 6329 } else if ((params->phy[EXT_PHY1].type == 6330 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) && 6331 (mode == LED_MODE_ON)) { 6332 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0); 6333 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED); 6334 EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp | 6335 EMAC_LED_OVERRIDE | EMAC_LED_1000MB_OVERRIDE); 6336 /* Break here; otherwise, it'll disable the 6337 * intended override. 6338 */ 6339 break; 6340 } else { 6341 u32 nig_led_mode = ((params->hw_led_mode << 6342 SHARED_HW_CFG_LED_MODE_SHIFT) == 6343 SHARED_HW_CFG_LED_EXTPHY2) ? 6344 (SHARED_HW_CFG_LED_PHY1 >> 6345 SHARED_HW_CFG_LED_MODE_SHIFT) : hw_led_mode; 6346 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 6347 nig_led_mode); 6348 } 6349 6350 REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0); 6351 /* Set blinking rate to ~15.9Hz */ 6352 if (CHIP_IS_E3(bp)) 6353 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4, 6354 LED_BLINK_RATE_VAL_E3); 6355 else 6356 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4, 6357 LED_BLINK_RATE_VAL_E1X_E2); 6358 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 + 6359 port*4, 1); 6360 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED); 6361 EMAC_WR(bp, EMAC_REG_EMAC_LED, 6362 (tmp & (~EMAC_LED_OVERRIDE))); 6363 6364 if (CHIP_IS_E1(bp) && 6365 ((speed == SPEED_2500) || 6366 (speed == SPEED_1000) || 6367 (speed == SPEED_100) || 6368 (speed == SPEED_10))) { 6369 /* For speeds less than 10G LED scheme is different */ 6370 REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 6371 + port*4, 1); 6372 REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 + 6373 port*4, 0); 6374 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 + 6375 port*4, 1); 6376 } 6377 break; 6378 6379 default: 6380 rc = -EINVAL; 6381 DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n", 6382 mode); 6383 break; 6384 } 6385 return rc; 6386 6387 } 6388 6389 /* This function comes to reflect the actual link state read DIRECTLY from the 6390 * HW 6391 */ 6392 int bnx2x_test_link(struct link_params *params, struct link_vars *vars, 6393 u8 is_serdes) 6394 { 6395 struct bnx2x *bp = params->bp; 6396 u16 gp_status = 0, phy_index = 0; 6397 u8 ext_phy_link_up = 0, serdes_phy_type; 6398 struct link_vars temp_vars; 6399 struct bnx2x_phy *int_phy = ¶ms->phy[INT_PHY]; 6400 6401 if (CHIP_IS_E3(bp)) { 6402 u16 link_up; 6403 if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)] 6404 > SPEED_10000) { 6405 /* Check 20G link */ 6406 bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD, 6407 1, &link_up); 6408 bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD, 6409 1, &link_up); 6410 link_up &= (1<<2); 6411 } else { 6412 /* Check 10G link and below*/ 6413 u8 lane = bnx2x_get_warpcore_lane(int_phy, params); 6414 bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD, 6415 MDIO_WC_REG_GP2_STATUS_GP_2_1, 6416 &gp_status); 6417 gp_status = ((gp_status >> 8) & 0xf) | 6418 ((gp_status >> 12) & 0xf); 6419 link_up = gp_status & (1 << lane); 6420 } 6421 if (!link_up) 6422 return -ESRCH; 6423 } else { 6424 CL22_RD_OVER_CL45(bp, int_phy, 6425 MDIO_REG_BANK_GP_STATUS, 6426 MDIO_GP_STATUS_TOP_AN_STATUS1, 6427 &gp_status); 6428 /* Link is up only if both local phy and external phy are up */ 6429 if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)) 6430 return -ESRCH; 6431 } 6432 /* In XGXS loopback mode, do not check external PHY */ 6433 if (params->loopback_mode == LOOPBACK_XGXS) 6434 return 0; 6435 6436 switch (params->num_phys) { 6437 case 1: 6438 /* No external PHY */ 6439 return 0; 6440 case 2: 6441 ext_phy_link_up = params->phy[EXT_PHY1].read_status( 6442 ¶ms->phy[EXT_PHY1], 6443 params, &temp_vars); 6444 break; 6445 case 3: /* Dual Media */ 6446 for (phy_index = EXT_PHY1; phy_index < params->num_phys; 6447 phy_index++) { 6448 serdes_phy_type = ((params->phy[phy_index].media_type == 6449 ETH_PHY_SFPP_10G_FIBER) || 6450 (params->phy[phy_index].media_type == 6451 ETH_PHY_SFP_1G_FIBER) || 6452 (params->phy[phy_index].media_type == 6453 ETH_PHY_XFP_FIBER) || 6454 (params->phy[phy_index].media_type == 6455 ETH_PHY_DA_TWINAX)); 6456 6457 if (is_serdes != serdes_phy_type) 6458 continue; 6459 if (params->phy[phy_index].read_status) { 6460 ext_phy_link_up |= 6461 params->phy[phy_index].read_status( 6462 ¶ms->phy[phy_index], 6463 params, &temp_vars); 6464 } 6465 } 6466 break; 6467 } 6468 if (ext_phy_link_up) 6469 return 0; 6470 return -ESRCH; 6471 } 6472 6473 static int bnx2x_link_initialize(struct link_params *params, 6474 struct link_vars *vars) 6475 { 6476 int rc = 0; 6477 u8 phy_index, non_ext_phy; 6478 struct bnx2x *bp = params->bp; 6479 /* In case of external phy existence, the line speed would be the 6480 * line speed linked up by the external phy. In case it is direct 6481 * only, then the line_speed during initialization will be 6482 * equal to the req_line_speed 6483 */ 6484 vars->line_speed = params->phy[INT_PHY].req_line_speed; 6485 6486 /* Initialize the internal phy in case this is a direct board 6487 * (no external phys), or this board has external phy which requires 6488 * to first. 6489 */ 6490 if (!USES_WARPCORE(bp)) 6491 bnx2x_prepare_xgxs(¶ms->phy[INT_PHY], params, vars); 6492 /* init ext phy and enable link state int */ 6493 non_ext_phy = (SINGLE_MEDIA_DIRECT(params) || 6494 (params->loopback_mode == LOOPBACK_XGXS)); 6495 6496 if (non_ext_phy || 6497 (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) || 6498 (params->loopback_mode == LOOPBACK_EXT_PHY)) { 6499 struct bnx2x_phy *phy = ¶ms->phy[INT_PHY]; 6500 if (vars->line_speed == SPEED_AUTO_NEG && 6501 (CHIP_IS_E1x(bp) || 6502 CHIP_IS_E2(bp))) 6503 bnx2x_set_parallel_detection(phy, params); 6504 if (params->phy[INT_PHY].config_init) 6505 params->phy[INT_PHY].config_init(phy, params, vars); 6506 } 6507 6508 /* Re-read this value in case it was changed inside config_init due to 6509 * limitations of optic module 6510 */ 6511 vars->line_speed = params->phy[INT_PHY].req_line_speed; 6512 6513 /* Init external phy*/ 6514 if (non_ext_phy) { 6515 if (params->phy[INT_PHY].supported & 6516 SUPPORTED_FIBRE) 6517 vars->link_status |= LINK_STATUS_SERDES_LINK; 6518 } else { 6519 for (phy_index = EXT_PHY1; phy_index < params->num_phys; 6520 phy_index++) { 6521 /* No need to initialize second phy in case of first 6522 * phy only selection. In case of second phy, we do 6523 * need to initialize the first phy, since they are 6524 * connected. 6525 */ 6526 if (params->phy[phy_index].supported & 6527 SUPPORTED_FIBRE) 6528 vars->link_status |= LINK_STATUS_SERDES_LINK; 6529 6530 if (phy_index == EXT_PHY2 && 6531 (bnx2x_phy_selection(params) == 6532 PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) { 6533 DP(NETIF_MSG_LINK, 6534 "Not initializing second phy\n"); 6535 continue; 6536 } 6537 params->phy[phy_index].config_init( 6538 ¶ms->phy[phy_index], 6539 params, vars); 6540 } 6541 } 6542 /* Reset the interrupt indication after phy was initialized */ 6543 bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + 6544 params->port*4, 6545 (NIG_STATUS_XGXS0_LINK10G | 6546 NIG_STATUS_XGXS0_LINK_STATUS | 6547 NIG_STATUS_SERDES0_LINK_STATUS | 6548 NIG_MASK_MI_INT)); 6549 return rc; 6550 } 6551 6552 static void bnx2x_int_link_reset(struct bnx2x_phy *phy, 6553 struct link_params *params) 6554 { 6555 /* Reset the SerDes/XGXS */ 6556 REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, 6557 (0x1ff << (params->port*16))); 6558 } 6559 6560 static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy, 6561 struct link_params *params) 6562 { 6563 struct bnx2x *bp = params->bp; 6564 u8 gpio_port; 6565 /* HW reset */ 6566 if (CHIP_IS_E2(bp)) 6567 gpio_port = BP_PATH(bp); 6568 else 6569 gpio_port = params->port; 6570 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1, 6571 MISC_REGISTERS_GPIO_OUTPUT_LOW, 6572 gpio_port); 6573 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, 6574 MISC_REGISTERS_GPIO_OUTPUT_LOW, 6575 gpio_port); 6576 DP(NETIF_MSG_LINK, "reset external PHY\n"); 6577 } 6578 6579 static int bnx2x_update_link_down(struct link_params *params, 6580 struct link_vars *vars) 6581 { 6582 struct bnx2x *bp = params->bp; 6583 u8 port = params->port; 6584 6585 DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port); 6586 bnx2x_set_led(params, vars, LED_MODE_OFF, 0); 6587 vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG; 6588 /* Indicate no mac active */ 6589 vars->mac_type = MAC_TYPE_NONE; 6590 6591 /* Update shared memory */ 6592 vars->link_status &= ~LINK_UPDATE_MASK; 6593 vars->line_speed = 0; 6594 bnx2x_update_mng(params, vars->link_status); 6595 6596 /* Activate nig drain */ 6597 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1); 6598 6599 /* Disable emac */ 6600 if (!CHIP_IS_E3(bp)) 6601 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0); 6602 6603 usleep_range(10000, 20000); 6604 /* Reset BigMac/Xmac */ 6605 if (CHIP_IS_E1x(bp) || 6606 CHIP_IS_E2(bp)) 6607 bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0); 6608 6609 if (CHIP_IS_E3(bp)) { 6610 /* Prevent LPI Generation by chip */ 6611 REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2), 6612 0); 6613 REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 + (params->port << 2), 6614 0); 6615 vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK | 6616 SHMEM_EEE_ACTIVE_BIT); 6617 6618 bnx2x_update_mng_eee(params, vars->eee_status); 6619 bnx2x_set_xmac_rxtx(params, 0); 6620 bnx2x_set_umac_rxtx(params, 0); 6621 } 6622 6623 return 0; 6624 } 6625 6626 static int bnx2x_update_link_up(struct link_params *params, 6627 struct link_vars *vars, 6628 u8 link_10g) 6629 { 6630 struct bnx2x *bp = params->bp; 6631 u8 phy_idx, port = params->port; 6632 int rc = 0; 6633 6634 vars->link_status |= (LINK_STATUS_LINK_UP | 6635 LINK_STATUS_PHYSICAL_LINK_FLAG); 6636 vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG; 6637 6638 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) 6639 vars->link_status |= 6640 LINK_STATUS_TX_FLOW_CONTROL_ENABLED; 6641 6642 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX) 6643 vars->link_status |= 6644 LINK_STATUS_RX_FLOW_CONTROL_ENABLED; 6645 if (USES_WARPCORE(bp)) { 6646 if (link_10g) { 6647 if (bnx2x_xmac_enable(params, vars, 0) == 6648 -ESRCH) { 6649 DP(NETIF_MSG_LINK, "Found errors on XMAC\n"); 6650 vars->link_up = 0; 6651 vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG; 6652 vars->link_status &= ~LINK_STATUS_LINK_UP; 6653 } 6654 } else 6655 bnx2x_umac_enable(params, vars, 0); 6656 bnx2x_set_led(params, vars, 6657 LED_MODE_OPER, vars->line_speed); 6658 6659 if ((vars->eee_status & SHMEM_EEE_ACTIVE_BIT) && 6660 (vars->eee_status & SHMEM_EEE_LPI_REQUESTED_BIT)) { 6661 DP(NETIF_MSG_LINK, "Enabling LPI assertion\n"); 6662 REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + 6663 (params->port << 2), 1); 6664 REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 1); 6665 REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 + 6666 (params->port << 2), 0xfc20); 6667 } 6668 } 6669 if ((CHIP_IS_E1x(bp) || 6670 CHIP_IS_E2(bp))) { 6671 if (link_10g) { 6672 if (bnx2x_bmac_enable(params, vars, 0, 1) == 6673 -ESRCH) { 6674 DP(NETIF_MSG_LINK, "Found errors on BMAC\n"); 6675 vars->link_up = 0; 6676 vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG; 6677 vars->link_status &= ~LINK_STATUS_LINK_UP; 6678 } 6679 6680 bnx2x_set_led(params, vars, 6681 LED_MODE_OPER, SPEED_10000); 6682 } else { 6683 rc = bnx2x_emac_program(params, vars); 6684 bnx2x_emac_enable(params, vars, 0); 6685 6686 /* AN complete? */ 6687 if ((vars->link_status & 6688 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) 6689 && (!(vars->phy_flags & PHY_SGMII_FLAG)) && 6690 SINGLE_MEDIA_DIRECT(params)) 6691 bnx2x_set_gmii_tx_driver(params); 6692 } 6693 } 6694 6695 /* PBF - link up */ 6696 if (CHIP_IS_E1x(bp)) 6697 rc |= bnx2x_pbf_update(params, vars->flow_ctrl, 6698 vars->line_speed); 6699 6700 /* Disable drain */ 6701 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0); 6702 6703 /* Update shared memory */ 6704 bnx2x_update_mng(params, vars->link_status); 6705 bnx2x_update_mng_eee(params, vars->eee_status); 6706 /* Check remote fault */ 6707 for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) { 6708 if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) { 6709 bnx2x_check_half_open_conn(params, vars, 0); 6710 break; 6711 } 6712 } 6713 msleep(20); 6714 return rc; 6715 } 6716 /* The bnx2x_link_update function should be called upon link 6717 * interrupt. 6718 * Link is considered up as follows: 6719 * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs 6720 * to be up 6721 * - SINGLE_MEDIA - The link between the 577xx and the external 6722 * phy (XGXS) need to up as well as the external link of the 6723 * phy (PHY_EXT1) 6724 * - DUAL_MEDIA - The link between the 577xx and the first 6725 * external phy needs to be up, and at least one of the 2 6726 * external phy link must be up. 6727 */ 6728 int bnx2x_link_update(struct link_params *params, struct link_vars *vars) 6729 { 6730 struct bnx2x *bp = params->bp; 6731 struct link_vars phy_vars[MAX_PHYS]; 6732 u8 port = params->port; 6733 u8 link_10g_plus, phy_index; 6734 u8 ext_phy_link_up = 0, cur_link_up; 6735 int rc = 0; 6736 u8 is_mi_int = 0; 6737 u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed; 6738 u8 active_external_phy = INT_PHY; 6739 vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG; 6740 vars->link_status &= ~LINK_UPDATE_MASK; 6741 for (phy_index = INT_PHY; phy_index < params->num_phys; 6742 phy_index++) { 6743 phy_vars[phy_index].flow_ctrl = 0; 6744 phy_vars[phy_index].link_status = 0; 6745 phy_vars[phy_index].line_speed = 0; 6746 phy_vars[phy_index].duplex = DUPLEX_FULL; 6747 phy_vars[phy_index].phy_link_up = 0; 6748 phy_vars[phy_index].link_up = 0; 6749 phy_vars[phy_index].fault_detected = 0; 6750 /* different consideration, since vars holds inner state */ 6751 phy_vars[phy_index].eee_status = vars->eee_status; 6752 } 6753 6754 if (USES_WARPCORE(bp)) 6755 bnx2x_set_aer_mmd(params, ¶ms->phy[INT_PHY]); 6756 6757 DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n", 6758 port, (vars->phy_flags & PHY_XGXS_FLAG), 6759 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4)); 6760 6761 is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + 6762 port*0x18) > 0); 6763 DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n", 6764 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4), 6765 is_mi_int, 6766 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c)); 6767 6768 DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n", 6769 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68), 6770 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68)); 6771 6772 /* Disable emac */ 6773 if (!CHIP_IS_E3(bp)) 6774 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0); 6775 6776 /* Step 1: 6777 * Check external link change only for external phys, and apply 6778 * priority selection between them in case the link on both phys 6779 * is up. Note that instead of the common vars, a temporary 6780 * vars argument is used since each phy may have different link/ 6781 * speed/duplex result 6782 */ 6783 for (phy_index = EXT_PHY1; phy_index < params->num_phys; 6784 phy_index++) { 6785 struct bnx2x_phy *phy = ¶ms->phy[phy_index]; 6786 if (!phy->read_status) 6787 continue; 6788 /* Read link status and params of this ext phy */ 6789 cur_link_up = phy->read_status(phy, params, 6790 &phy_vars[phy_index]); 6791 if (cur_link_up) { 6792 DP(NETIF_MSG_LINK, "phy in index %d link is up\n", 6793 phy_index); 6794 } else { 6795 DP(NETIF_MSG_LINK, "phy in index %d link is down\n", 6796 phy_index); 6797 continue; 6798 } 6799 6800 if (!ext_phy_link_up) { 6801 ext_phy_link_up = 1; 6802 active_external_phy = phy_index; 6803 } else { 6804 switch (bnx2x_phy_selection(params)) { 6805 case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT: 6806 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY: 6807 /* In this option, the first PHY makes sure to pass the 6808 * traffic through itself only. 6809 * Its not clear how to reset the link on the second phy 6810 */ 6811 active_external_phy = EXT_PHY1; 6812 break; 6813 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY: 6814 /* In this option, the first PHY makes sure to pass the 6815 * traffic through the second PHY. 6816 */ 6817 active_external_phy = EXT_PHY2; 6818 break; 6819 default: 6820 /* Link indication on both PHYs with the following cases 6821 * is invalid: 6822 * - FIRST_PHY means that second phy wasn't initialized, 6823 * hence its link is expected to be down 6824 * - SECOND_PHY means that first phy should not be able 6825 * to link up by itself (using configuration) 6826 * - DEFAULT should be overriden during initialiazation 6827 */ 6828 DP(NETIF_MSG_LINK, "Invalid link indication" 6829 "mpc=0x%x. DISABLING LINK !!!\n", 6830 params->multi_phy_config); 6831 ext_phy_link_up = 0; 6832 break; 6833 } 6834 } 6835 } 6836 prev_line_speed = vars->line_speed; 6837 /* Step 2: 6838 * Read the status of the internal phy. In case of 6839 * DIRECT_SINGLE_MEDIA board, this link is the external link, 6840 * otherwise this is the link between the 577xx and the first 6841 * external phy 6842 */ 6843 if (params->phy[INT_PHY].read_status) 6844 params->phy[INT_PHY].read_status( 6845 ¶ms->phy[INT_PHY], 6846 params, vars); 6847 /* The INT_PHY flow control reside in the vars. This include the 6848 * case where the speed or flow control are not set to AUTO. 6849 * Otherwise, the active external phy flow control result is set 6850 * to the vars. The ext_phy_line_speed is needed to check if the 6851 * speed is different between the internal phy and external phy. 6852 * This case may be result of intermediate link speed change. 6853 */ 6854 if (active_external_phy > INT_PHY) { 6855 vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl; 6856 /* Link speed is taken from the XGXS. AN and FC result from 6857 * the external phy. 6858 */ 6859 vars->link_status |= phy_vars[active_external_phy].link_status; 6860 6861 /* if active_external_phy is first PHY and link is up - disable 6862 * disable TX on second external PHY 6863 */ 6864 if (active_external_phy == EXT_PHY1) { 6865 if (params->phy[EXT_PHY2].phy_specific_func) { 6866 DP(NETIF_MSG_LINK, 6867 "Disabling TX on EXT_PHY2\n"); 6868 params->phy[EXT_PHY2].phy_specific_func( 6869 ¶ms->phy[EXT_PHY2], 6870 params, DISABLE_TX); 6871 } 6872 } 6873 6874 ext_phy_line_speed = phy_vars[active_external_phy].line_speed; 6875 vars->duplex = phy_vars[active_external_phy].duplex; 6876 if (params->phy[active_external_phy].supported & 6877 SUPPORTED_FIBRE) 6878 vars->link_status |= LINK_STATUS_SERDES_LINK; 6879 else 6880 vars->link_status &= ~LINK_STATUS_SERDES_LINK; 6881 6882 vars->eee_status = phy_vars[active_external_phy].eee_status; 6883 6884 DP(NETIF_MSG_LINK, "Active external phy selected: %x\n", 6885 active_external_phy); 6886 } 6887 6888 for (phy_index = EXT_PHY1; phy_index < params->num_phys; 6889 phy_index++) { 6890 if (params->phy[phy_index].flags & 6891 FLAGS_REARM_LATCH_SIGNAL) { 6892 bnx2x_rearm_latch_signal(bp, port, 6893 phy_index == 6894 active_external_phy); 6895 break; 6896 } 6897 } 6898 DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x," 6899 " ext_phy_line_speed = %d\n", vars->flow_ctrl, 6900 vars->link_status, ext_phy_line_speed); 6901 /* Upon link speed change set the NIG into drain mode. Comes to 6902 * deals with possible FIFO glitch due to clk change when speed 6903 * is decreased without link down indicator 6904 */ 6905 6906 if (vars->phy_link_up) { 6907 if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up && 6908 (ext_phy_line_speed != vars->line_speed)) { 6909 DP(NETIF_MSG_LINK, "Internal link speed %d is" 6910 " different than the external" 6911 " link speed %d\n", vars->line_speed, 6912 ext_phy_line_speed); 6913 vars->phy_link_up = 0; 6914 } else if (prev_line_speed != vars->line_speed) { 6915 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 6916 0); 6917 usleep_range(1000, 2000); 6918 } 6919 } 6920 6921 /* Anything 10 and over uses the bmac */ 6922 link_10g_plus = (vars->line_speed >= SPEED_10000); 6923 6924 bnx2x_link_int_ack(params, vars, link_10g_plus); 6925 6926 /* In case external phy link is up, and internal link is down 6927 * (not initialized yet probably after link initialization, it 6928 * needs to be initialized. 6929 * Note that after link down-up as result of cable plug, the xgxs 6930 * link would probably become up again without the need 6931 * initialize it 6932 */ 6933 if (!(SINGLE_MEDIA_DIRECT(params))) { 6934 DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d," 6935 " init_preceding = %d\n", ext_phy_link_up, 6936 vars->phy_link_up, 6937 params->phy[EXT_PHY1].flags & 6938 FLAGS_INIT_XGXS_FIRST); 6939 if (!(params->phy[EXT_PHY1].flags & 6940 FLAGS_INIT_XGXS_FIRST) 6941 && ext_phy_link_up && !vars->phy_link_up) { 6942 vars->line_speed = ext_phy_line_speed; 6943 if (vars->line_speed < SPEED_1000) 6944 vars->phy_flags |= PHY_SGMII_FLAG; 6945 else 6946 vars->phy_flags &= ~PHY_SGMII_FLAG; 6947 6948 if (params->phy[INT_PHY].config_init) 6949 params->phy[INT_PHY].config_init( 6950 ¶ms->phy[INT_PHY], params, 6951 vars); 6952 } 6953 } 6954 /* Link is up only if both local phy and external phy (in case of 6955 * non-direct board) are up and no fault detected on active PHY. 6956 */ 6957 vars->link_up = (vars->phy_link_up && 6958 (ext_phy_link_up || 6959 SINGLE_MEDIA_DIRECT(params)) && 6960 (phy_vars[active_external_phy].fault_detected == 0)); 6961 6962 /* Update the PFC configuration in case it was changed */ 6963 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) 6964 vars->link_status |= LINK_STATUS_PFC_ENABLED; 6965 else 6966 vars->link_status &= ~LINK_STATUS_PFC_ENABLED; 6967 6968 if (vars->link_up) 6969 rc = bnx2x_update_link_up(params, vars, link_10g_plus); 6970 else 6971 rc = bnx2x_update_link_down(params, vars); 6972 6973 /* Update MCP link status was changed */ 6974 if (params->feature_config_flags & FEATURE_CONFIG_BC_SUPPORTS_AFEX) 6975 bnx2x_fw_command(bp, DRV_MSG_CODE_LINK_STATUS_CHANGED, 0); 6976 6977 return rc; 6978 } 6979 6980 /*****************************************************************************/ 6981 /* External Phy section */ 6982 /*****************************************************************************/ 6983 void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port) 6984 { 6985 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1, 6986 MISC_REGISTERS_GPIO_OUTPUT_LOW, port); 6987 usleep_range(1000, 2000); 6988 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1, 6989 MISC_REGISTERS_GPIO_OUTPUT_HIGH, port); 6990 } 6991 6992 static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port, 6993 u32 spirom_ver, u32 ver_addr) 6994 { 6995 DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n", 6996 (u16)(spirom_ver>>16), (u16)spirom_ver, port); 6997 6998 if (ver_addr) 6999 REG_WR(bp, ver_addr, spirom_ver); 7000 } 7001 7002 static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp, 7003 struct bnx2x_phy *phy, 7004 u8 port) 7005 { 7006 u16 fw_ver1, fw_ver2; 7007 7008 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 7009 MDIO_PMA_REG_ROM_VER1, &fw_ver1); 7010 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 7011 MDIO_PMA_REG_ROM_VER2, &fw_ver2); 7012 bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2), 7013 phy->ver_addr); 7014 } 7015 7016 static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp, 7017 struct bnx2x_phy *phy, 7018 struct link_vars *vars) 7019 { 7020 u16 val; 7021 bnx2x_cl45_read(bp, phy, 7022 MDIO_AN_DEVAD, 7023 MDIO_AN_REG_STATUS, &val); 7024 bnx2x_cl45_read(bp, phy, 7025 MDIO_AN_DEVAD, 7026 MDIO_AN_REG_STATUS, &val); 7027 if (val & (1<<5)) 7028 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE; 7029 if ((val & (1<<0)) == 0) 7030 vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED; 7031 } 7032 7033 /******************************************************************/ 7034 /* common BCM8073/BCM8727 PHY SECTION */ 7035 /******************************************************************/ 7036 static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy, 7037 struct link_params *params, 7038 struct link_vars *vars) 7039 { 7040 struct bnx2x *bp = params->bp; 7041 if (phy->req_line_speed == SPEED_10 || 7042 phy->req_line_speed == SPEED_100) { 7043 vars->flow_ctrl = phy->req_flow_ctrl; 7044 return; 7045 } 7046 7047 if (bnx2x_ext_phy_resolve_fc(phy, params, vars) && 7048 (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) { 7049 u16 pause_result; 7050 u16 ld_pause; /* local */ 7051 u16 lp_pause; /* link partner */ 7052 bnx2x_cl45_read(bp, phy, 7053 MDIO_AN_DEVAD, 7054 MDIO_AN_REG_CL37_FC_LD, &ld_pause); 7055 7056 bnx2x_cl45_read(bp, phy, 7057 MDIO_AN_DEVAD, 7058 MDIO_AN_REG_CL37_FC_LP, &lp_pause); 7059 pause_result = (ld_pause & 7060 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5; 7061 pause_result |= (lp_pause & 7062 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7; 7063 7064 bnx2x_pause_resolve(vars, pause_result); 7065 DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n", 7066 pause_result); 7067 } 7068 } 7069 static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp, 7070 struct bnx2x_phy *phy, 7071 u8 port) 7072 { 7073 u32 count = 0; 7074 u16 fw_ver1, fw_msgout; 7075 int rc = 0; 7076 7077 /* Boot port from external ROM */ 7078 /* EDC grst */ 7079 bnx2x_cl45_write(bp, phy, 7080 MDIO_PMA_DEVAD, 7081 MDIO_PMA_REG_GEN_CTRL, 7082 0x0001); 7083 7084 /* Ucode reboot and rst */ 7085 bnx2x_cl45_write(bp, phy, 7086 MDIO_PMA_DEVAD, 7087 MDIO_PMA_REG_GEN_CTRL, 7088 0x008c); 7089 7090 bnx2x_cl45_write(bp, phy, 7091 MDIO_PMA_DEVAD, 7092 MDIO_PMA_REG_MISC_CTRL1, 0x0001); 7093 7094 /* Reset internal microprocessor */ 7095 bnx2x_cl45_write(bp, phy, 7096 MDIO_PMA_DEVAD, 7097 MDIO_PMA_REG_GEN_CTRL, 7098 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET); 7099 7100 /* Release srst bit */ 7101 bnx2x_cl45_write(bp, phy, 7102 MDIO_PMA_DEVAD, 7103 MDIO_PMA_REG_GEN_CTRL, 7104 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP); 7105 7106 /* Delay 100ms per the PHY specifications */ 7107 msleep(100); 7108 7109 /* 8073 sometimes taking longer to download */ 7110 do { 7111 count++; 7112 if (count > 300) { 7113 DP(NETIF_MSG_LINK, 7114 "bnx2x_8073_8727_external_rom_boot port %x:" 7115 "Download failed. fw version = 0x%x\n", 7116 port, fw_ver1); 7117 rc = -EINVAL; 7118 break; 7119 } 7120 7121 bnx2x_cl45_read(bp, phy, 7122 MDIO_PMA_DEVAD, 7123 MDIO_PMA_REG_ROM_VER1, &fw_ver1); 7124 bnx2x_cl45_read(bp, phy, 7125 MDIO_PMA_DEVAD, 7126 MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout); 7127 7128 usleep_range(1000, 2000); 7129 } while (fw_ver1 == 0 || fw_ver1 == 0x4321 || 7130 ((fw_msgout & 0xff) != 0x03 && (phy->type == 7131 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073))); 7132 7133 /* Clear ser_boot_ctl bit */ 7134 bnx2x_cl45_write(bp, phy, 7135 MDIO_PMA_DEVAD, 7136 MDIO_PMA_REG_MISC_CTRL1, 0x0000); 7137 bnx2x_save_bcm_spirom_ver(bp, phy, port); 7138 7139 DP(NETIF_MSG_LINK, 7140 "bnx2x_8073_8727_external_rom_boot port %x:" 7141 "Download complete. fw version = 0x%x\n", 7142 port, fw_ver1); 7143 7144 return rc; 7145 } 7146 7147 /******************************************************************/ 7148 /* BCM8073 PHY SECTION */ 7149 /******************************************************************/ 7150 static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy) 7151 { 7152 /* This is only required for 8073A1, version 102 only */ 7153 u16 val; 7154 7155 /* Read 8073 HW revision*/ 7156 bnx2x_cl45_read(bp, phy, 7157 MDIO_PMA_DEVAD, 7158 MDIO_PMA_REG_8073_CHIP_REV, &val); 7159 7160 if (val != 1) { 7161 /* No need to workaround in 8073 A1 */ 7162 return 0; 7163 } 7164 7165 bnx2x_cl45_read(bp, phy, 7166 MDIO_PMA_DEVAD, 7167 MDIO_PMA_REG_ROM_VER2, &val); 7168 7169 /* SNR should be applied only for version 0x102 */ 7170 if (val != 0x102) 7171 return 0; 7172 7173 return 1; 7174 } 7175 7176 static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy) 7177 { 7178 u16 val, cnt, cnt1 ; 7179 7180 bnx2x_cl45_read(bp, phy, 7181 MDIO_PMA_DEVAD, 7182 MDIO_PMA_REG_8073_CHIP_REV, &val); 7183 7184 if (val > 0) { 7185 /* No need to workaround in 8073 A1 */ 7186 return 0; 7187 } 7188 /* XAUI workaround in 8073 A0: */ 7189 7190 /* After loading the boot ROM and restarting Autoneg, poll 7191 * Dev1, Reg $C820: 7192 */ 7193 7194 for (cnt = 0; cnt < 1000; cnt++) { 7195 bnx2x_cl45_read(bp, phy, 7196 MDIO_PMA_DEVAD, 7197 MDIO_PMA_REG_8073_SPEED_LINK_STATUS, 7198 &val); 7199 /* If bit [14] = 0 or bit [13] = 0, continue on with 7200 * system initialization (XAUI work-around not required, as 7201 * these bits indicate 2.5G or 1G link up). 7202 */ 7203 if (!(val & (1<<14)) || !(val & (1<<13))) { 7204 DP(NETIF_MSG_LINK, "XAUI work-around not required\n"); 7205 return 0; 7206 } else if (!(val & (1<<15))) { 7207 DP(NETIF_MSG_LINK, "bit 15 went off\n"); 7208 /* If bit 15 is 0, then poll Dev1, Reg $C841 until it's 7209 * MSB (bit15) goes to 1 (indicating that the XAUI 7210 * workaround has completed), then continue on with 7211 * system initialization. 7212 */ 7213 for (cnt1 = 0; cnt1 < 1000; cnt1++) { 7214 bnx2x_cl45_read(bp, phy, 7215 MDIO_PMA_DEVAD, 7216 MDIO_PMA_REG_8073_XAUI_WA, &val); 7217 if (val & (1<<15)) { 7218 DP(NETIF_MSG_LINK, 7219 "XAUI workaround has completed\n"); 7220 return 0; 7221 } 7222 usleep_range(3000, 6000); 7223 } 7224 break; 7225 } 7226 usleep_range(3000, 6000); 7227 } 7228 DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n"); 7229 return -EINVAL; 7230 } 7231 7232 static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy) 7233 { 7234 /* Force KR or KX */ 7235 bnx2x_cl45_write(bp, phy, 7236 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040); 7237 bnx2x_cl45_write(bp, phy, 7238 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b); 7239 bnx2x_cl45_write(bp, phy, 7240 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000); 7241 bnx2x_cl45_write(bp, phy, 7242 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000); 7243 } 7244 7245 static void bnx2x_8073_set_pause_cl37(struct link_params *params, 7246 struct bnx2x_phy *phy, 7247 struct link_vars *vars) 7248 { 7249 u16 cl37_val; 7250 struct bnx2x *bp = params->bp; 7251 bnx2x_cl45_read(bp, phy, 7252 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val); 7253 7254 cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH; 7255 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */ 7256 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc); 7257 if ((vars->ieee_fc & 7258 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) == 7259 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) { 7260 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC; 7261 } 7262 if ((vars->ieee_fc & 7263 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) == 7264 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) { 7265 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC; 7266 } 7267 if ((vars->ieee_fc & 7268 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) == 7269 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) { 7270 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH; 7271 } 7272 DP(NETIF_MSG_LINK, 7273 "Ext phy AN advertize cl37 0x%x\n", cl37_val); 7274 7275 bnx2x_cl45_write(bp, phy, 7276 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val); 7277 msleep(500); 7278 } 7279 7280 static void bnx2x_8073_specific_func(struct bnx2x_phy *phy, 7281 struct link_params *params, 7282 u32 action) 7283 { 7284 struct bnx2x *bp = params->bp; 7285 switch (action) { 7286 case PHY_INIT: 7287 /* Enable LASI */ 7288 bnx2x_cl45_write(bp, phy, 7289 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2)); 7290 bnx2x_cl45_write(bp, phy, 7291 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004); 7292 break; 7293 } 7294 } 7295 7296 static int bnx2x_8073_config_init(struct bnx2x_phy *phy, 7297 struct link_params *params, 7298 struct link_vars *vars) 7299 { 7300 struct bnx2x *bp = params->bp; 7301 u16 val = 0, tmp1; 7302 u8 gpio_port; 7303 DP(NETIF_MSG_LINK, "Init 8073\n"); 7304 7305 if (CHIP_IS_E2(bp)) 7306 gpio_port = BP_PATH(bp); 7307 else 7308 gpio_port = params->port; 7309 /* Restore normal power mode*/ 7310 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, 7311 MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port); 7312 7313 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1, 7314 MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port); 7315 7316 bnx2x_8073_specific_func(phy, params, PHY_INIT); 7317 bnx2x_8073_set_pause_cl37(params, phy, vars); 7318 7319 bnx2x_cl45_read(bp, phy, 7320 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1); 7321 7322 bnx2x_cl45_read(bp, phy, 7323 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1); 7324 7325 DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1); 7326 7327 /* Swap polarity if required - Must be done only in non-1G mode */ 7328 if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) { 7329 /* Configure the 8073 to swap _P and _N of the KR lines */ 7330 DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n"); 7331 /* 10G Rx/Tx and 1G Tx signal polarity swap */ 7332 bnx2x_cl45_read(bp, phy, 7333 MDIO_PMA_DEVAD, 7334 MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val); 7335 bnx2x_cl45_write(bp, phy, 7336 MDIO_PMA_DEVAD, 7337 MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, 7338 (val | (3<<9))); 7339 } 7340 7341 7342 /* Enable CL37 BAM */ 7343 if (REG_RD(bp, params->shmem_base + 7344 offsetof(struct shmem_region, dev_info. 7345 port_hw_config[params->port].default_cfg)) & 7346 PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) { 7347 7348 bnx2x_cl45_read(bp, phy, 7349 MDIO_AN_DEVAD, 7350 MDIO_AN_REG_8073_BAM, &val); 7351 bnx2x_cl45_write(bp, phy, 7352 MDIO_AN_DEVAD, 7353 MDIO_AN_REG_8073_BAM, val | 1); 7354 DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n"); 7355 } 7356 if (params->loopback_mode == LOOPBACK_EXT) { 7357 bnx2x_807x_force_10G(bp, phy); 7358 DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n"); 7359 return 0; 7360 } else { 7361 bnx2x_cl45_write(bp, phy, 7362 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002); 7363 } 7364 if (phy->req_line_speed != SPEED_AUTO_NEG) { 7365 if (phy->req_line_speed == SPEED_10000) { 7366 val = (1<<7); 7367 } else if (phy->req_line_speed == SPEED_2500) { 7368 val = (1<<5); 7369 /* Note that 2.5G works only when used with 1G 7370 * advertisement 7371 */ 7372 } else 7373 val = (1<<5); 7374 } else { 7375 val = 0; 7376 if (phy->speed_cap_mask & 7377 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) 7378 val |= (1<<7); 7379 7380 /* Note that 2.5G works only when used with 1G advertisement */ 7381 if (phy->speed_cap_mask & 7382 (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G | 7383 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)) 7384 val |= (1<<5); 7385 DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val); 7386 } 7387 7388 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val); 7389 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1); 7390 7391 if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) && 7392 (phy->req_line_speed == SPEED_AUTO_NEG)) || 7393 (phy->req_line_speed == SPEED_2500)) { 7394 u16 phy_ver; 7395 /* Allow 2.5G for A1 and above */ 7396 bnx2x_cl45_read(bp, phy, 7397 MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV, 7398 &phy_ver); 7399 DP(NETIF_MSG_LINK, "Add 2.5G\n"); 7400 if (phy_ver > 0) 7401 tmp1 |= 1; 7402 else 7403 tmp1 &= 0xfffe; 7404 } else { 7405 DP(NETIF_MSG_LINK, "Disable 2.5G\n"); 7406 tmp1 &= 0xfffe; 7407 } 7408 7409 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1); 7410 /* Add support for CL37 (passive mode) II */ 7411 7412 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1); 7413 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 7414 (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ? 7415 0x20 : 0x40))); 7416 7417 /* Add support for CL37 (passive mode) III */ 7418 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000); 7419 7420 /* The SNR will improve about 2db by changing BW and FEE main 7421 * tap. Rest commands are executed after link is up 7422 * Change FFE main cursor to 5 in EDC register 7423 */ 7424 if (bnx2x_8073_is_snr_needed(bp, phy)) 7425 bnx2x_cl45_write(bp, phy, 7426 MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN, 7427 0xFB0C); 7428 7429 /* Enable FEC (Forware Error Correction) Request in the AN */ 7430 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1); 7431 tmp1 |= (1<<15); 7432 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1); 7433 7434 bnx2x_ext_phy_set_pause(params, phy, vars); 7435 7436 /* Restart autoneg */ 7437 msleep(500); 7438 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200); 7439 DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n", 7440 ((val & (1<<5)) > 0), ((val & (1<<7)) > 0)); 7441 return 0; 7442 } 7443 7444 static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy, 7445 struct link_params *params, 7446 struct link_vars *vars) 7447 { 7448 struct bnx2x *bp = params->bp; 7449 u8 link_up = 0; 7450 u16 val1, val2; 7451 u16 link_status = 0; 7452 u16 an1000_status = 0; 7453 7454 bnx2x_cl45_read(bp, phy, 7455 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1); 7456 7457 DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1); 7458 7459 /* Clear the interrupt LASI status register */ 7460 bnx2x_cl45_read(bp, phy, 7461 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2); 7462 bnx2x_cl45_read(bp, phy, 7463 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1); 7464 DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1); 7465 /* Clear MSG-OUT */ 7466 bnx2x_cl45_read(bp, phy, 7467 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1); 7468 7469 /* Check the LASI */ 7470 bnx2x_cl45_read(bp, phy, 7471 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2); 7472 7473 DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2); 7474 7475 /* Check the link status */ 7476 bnx2x_cl45_read(bp, phy, 7477 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2); 7478 DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2); 7479 7480 bnx2x_cl45_read(bp, phy, 7481 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2); 7482 bnx2x_cl45_read(bp, phy, 7483 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1); 7484 link_up = ((val1 & 4) == 4); 7485 DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1); 7486 7487 if (link_up && 7488 ((phy->req_line_speed != SPEED_10000))) { 7489 if (bnx2x_8073_xaui_wa(bp, phy) != 0) 7490 return 0; 7491 } 7492 bnx2x_cl45_read(bp, phy, 7493 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status); 7494 bnx2x_cl45_read(bp, phy, 7495 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status); 7496 7497 /* Check the link status on 1.1.2 */ 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 DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x," 7503 "an_link_status=0x%x\n", val2, val1, an1000_status); 7504 7505 link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1))); 7506 if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) { 7507 /* The SNR will improve about 2dbby changing the BW and FEE main 7508 * tap. The 1st write to change FFE main tap is set before 7509 * restart AN. Change PLL Bandwidth in EDC register 7510 */ 7511 bnx2x_cl45_write(bp, phy, 7512 MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH, 7513 0x26BC); 7514 7515 /* Change CDR Bandwidth in EDC register */ 7516 bnx2x_cl45_write(bp, phy, 7517 MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH, 7518 0x0333); 7519 } 7520 bnx2x_cl45_read(bp, phy, 7521 MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS, 7522 &link_status); 7523 7524 /* Bits 0..2 --> speed detected, bits 13..15--> link is down */ 7525 if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) { 7526 link_up = 1; 7527 vars->line_speed = SPEED_10000; 7528 DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n", 7529 params->port); 7530 } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) { 7531 link_up = 1; 7532 vars->line_speed = SPEED_2500; 7533 DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n", 7534 params->port); 7535 } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) { 7536 link_up = 1; 7537 vars->line_speed = SPEED_1000; 7538 DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n", 7539 params->port); 7540 } else { 7541 link_up = 0; 7542 DP(NETIF_MSG_LINK, "port %x: External link is down\n", 7543 params->port); 7544 } 7545 7546 if (link_up) { 7547 /* Swap polarity if required */ 7548 if (params->lane_config & 7549 PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) { 7550 /* Configure the 8073 to swap P and N of the KR lines */ 7551 bnx2x_cl45_read(bp, phy, 7552 MDIO_XS_DEVAD, 7553 MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1); 7554 /* Set bit 3 to invert Rx in 1G mode and clear this bit 7555 * when it`s in 10G mode. 7556 */ 7557 if (vars->line_speed == SPEED_1000) { 7558 DP(NETIF_MSG_LINK, "Swapping 1G polarity for" 7559 "the 8073\n"); 7560 val1 |= (1<<3); 7561 } else 7562 val1 &= ~(1<<3); 7563 7564 bnx2x_cl45_write(bp, phy, 7565 MDIO_XS_DEVAD, 7566 MDIO_XS_REG_8073_RX_CTRL_PCIE, 7567 val1); 7568 } 7569 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars); 7570 bnx2x_8073_resolve_fc(phy, params, vars); 7571 vars->duplex = DUPLEX_FULL; 7572 } 7573 7574 if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) { 7575 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, 7576 MDIO_AN_REG_LP_AUTO_NEG2, &val1); 7577 7578 if (val1 & (1<<5)) 7579 vars->link_status |= 7580 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE; 7581 if (val1 & (1<<7)) 7582 vars->link_status |= 7583 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE; 7584 } 7585 7586 return link_up; 7587 } 7588 7589 static void bnx2x_8073_link_reset(struct bnx2x_phy *phy, 7590 struct link_params *params) 7591 { 7592 struct bnx2x *bp = params->bp; 7593 u8 gpio_port; 7594 if (CHIP_IS_E2(bp)) 7595 gpio_port = BP_PATH(bp); 7596 else 7597 gpio_port = params->port; 7598 DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n", 7599 gpio_port); 7600 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, 7601 MISC_REGISTERS_GPIO_OUTPUT_LOW, 7602 gpio_port); 7603 } 7604 7605 /******************************************************************/ 7606 /* BCM8705 PHY SECTION */ 7607 /******************************************************************/ 7608 static int bnx2x_8705_config_init(struct bnx2x_phy *phy, 7609 struct link_params *params, 7610 struct link_vars *vars) 7611 { 7612 struct bnx2x *bp = params->bp; 7613 DP(NETIF_MSG_LINK, "init 8705\n"); 7614 /* Restore normal power mode*/ 7615 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, 7616 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port); 7617 /* HW reset */ 7618 bnx2x_ext_phy_hw_reset(bp, params->port); 7619 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040); 7620 bnx2x_wait_reset_complete(bp, phy, params); 7621 7622 bnx2x_cl45_write(bp, phy, 7623 MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288); 7624 bnx2x_cl45_write(bp, phy, 7625 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf); 7626 bnx2x_cl45_write(bp, phy, 7627 MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100); 7628 bnx2x_cl45_write(bp, phy, 7629 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1); 7630 /* BCM8705 doesn't have microcode, hence the 0 */ 7631 bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0); 7632 return 0; 7633 } 7634 7635 static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy, 7636 struct link_params *params, 7637 struct link_vars *vars) 7638 { 7639 u8 link_up = 0; 7640 u16 val1, rx_sd; 7641 struct bnx2x *bp = params->bp; 7642 DP(NETIF_MSG_LINK, "read status 8705\n"); 7643 bnx2x_cl45_read(bp, phy, 7644 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1); 7645 DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1); 7646 7647 bnx2x_cl45_read(bp, phy, 7648 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1); 7649 DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1); 7650 7651 bnx2x_cl45_read(bp, phy, 7652 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd); 7653 7654 bnx2x_cl45_read(bp, phy, 7655 MDIO_PMA_DEVAD, 0xc809, &val1); 7656 bnx2x_cl45_read(bp, phy, 7657 MDIO_PMA_DEVAD, 0xc809, &val1); 7658 7659 DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1); 7660 link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0)); 7661 if (link_up) { 7662 vars->line_speed = SPEED_10000; 7663 bnx2x_ext_phy_resolve_fc(phy, params, vars); 7664 } 7665 return link_up; 7666 } 7667 7668 /******************************************************************/ 7669 /* SFP+ module Section */ 7670 /******************************************************************/ 7671 static void bnx2x_set_disable_pmd_transmit(struct link_params *params, 7672 struct bnx2x_phy *phy, 7673 u8 pmd_dis) 7674 { 7675 struct bnx2x *bp = params->bp; 7676 /* Disable transmitter only for bootcodes which can enable it afterwards 7677 * (for D3 link) 7678 */ 7679 if (pmd_dis) { 7680 if (params->feature_config_flags & 7681 FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED) 7682 DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n"); 7683 else { 7684 DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n"); 7685 return; 7686 } 7687 } else 7688 DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n"); 7689 bnx2x_cl45_write(bp, phy, 7690 MDIO_PMA_DEVAD, 7691 MDIO_PMA_REG_TX_DISABLE, pmd_dis); 7692 } 7693 7694 static u8 bnx2x_get_gpio_port(struct link_params *params) 7695 { 7696 u8 gpio_port; 7697 u32 swap_val, swap_override; 7698 struct bnx2x *bp = params->bp; 7699 if (CHIP_IS_E2(bp)) 7700 gpio_port = BP_PATH(bp); 7701 else 7702 gpio_port = params->port; 7703 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP); 7704 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE); 7705 return gpio_port ^ (swap_val && swap_override); 7706 } 7707 7708 static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params, 7709 struct bnx2x_phy *phy, 7710 u8 tx_en) 7711 { 7712 u16 val; 7713 u8 port = params->port; 7714 struct bnx2x *bp = params->bp; 7715 u32 tx_en_mode; 7716 7717 /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/ 7718 tx_en_mode = REG_RD(bp, params->shmem_base + 7719 offsetof(struct shmem_region, 7720 dev_info.port_hw_config[port].sfp_ctrl)) & 7721 PORT_HW_CFG_TX_LASER_MASK; 7722 DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x " 7723 "mode = %x\n", tx_en, port, tx_en_mode); 7724 switch (tx_en_mode) { 7725 case PORT_HW_CFG_TX_LASER_MDIO: 7726 7727 bnx2x_cl45_read(bp, phy, 7728 MDIO_PMA_DEVAD, 7729 MDIO_PMA_REG_PHY_IDENTIFIER, 7730 &val); 7731 7732 if (tx_en) 7733 val &= ~(1<<15); 7734 else 7735 val |= (1<<15); 7736 7737 bnx2x_cl45_write(bp, phy, 7738 MDIO_PMA_DEVAD, 7739 MDIO_PMA_REG_PHY_IDENTIFIER, 7740 val); 7741 break; 7742 case PORT_HW_CFG_TX_LASER_GPIO0: 7743 case PORT_HW_CFG_TX_LASER_GPIO1: 7744 case PORT_HW_CFG_TX_LASER_GPIO2: 7745 case PORT_HW_CFG_TX_LASER_GPIO3: 7746 { 7747 u16 gpio_pin; 7748 u8 gpio_port, gpio_mode; 7749 if (tx_en) 7750 gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH; 7751 else 7752 gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW; 7753 7754 gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0; 7755 gpio_port = bnx2x_get_gpio_port(params); 7756 bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port); 7757 break; 7758 } 7759 default: 7760 DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode); 7761 break; 7762 } 7763 } 7764 7765 static void bnx2x_sfp_set_transmitter(struct link_params *params, 7766 struct bnx2x_phy *phy, 7767 u8 tx_en) 7768 { 7769 struct bnx2x *bp = params->bp; 7770 DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en); 7771 if (CHIP_IS_E3(bp)) 7772 bnx2x_sfp_e3_set_transmitter(params, phy, tx_en); 7773 else 7774 bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en); 7775 } 7776 7777 static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy, 7778 struct link_params *params, 7779 u8 dev_addr, u16 addr, u8 byte_cnt, 7780 u8 *o_buf, u8 is_init) 7781 { 7782 struct bnx2x *bp = params->bp; 7783 u16 val = 0; 7784 u16 i; 7785 if (byte_cnt > SFP_EEPROM_PAGE_SIZE) { 7786 DP(NETIF_MSG_LINK, 7787 "Reading from eeprom is limited to 0xf\n"); 7788 return -EINVAL; 7789 } 7790 /* Set the read command byte count */ 7791 bnx2x_cl45_write(bp, phy, 7792 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT, 7793 (byte_cnt | (dev_addr << 8))); 7794 7795 /* Set the read command address */ 7796 bnx2x_cl45_write(bp, phy, 7797 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR, 7798 addr); 7799 7800 /* Activate read command */ 7801 bnx2x_cl45_write(bp, phy, 7802 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, 7803 0x2c0f); 7804 7805 /* Wait up to 500us for command complete status */ 7806 for (i = 0; i < 100; i++) { 7807 bnx2x_cl45_read(bp, phy, 7808 MDIO_PMA_DEVAD, 7809 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val); 7810 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) == 7811 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) 7812 break; 7813 udelay(5); 7814 } 7815 7816 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) != 7817 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) { 7818 DP(NETIF_MSG_LINK, 7819 "Got bad status 0x%x when reading from SFP+ EEPROM\n", 7820 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK)); 7821 return -EINVAL; 7822 } 7823 7824 /* Read the buffer */ 7825 for (i = 0; i < byte_cnt; i++) { 7826 bnx2x_cl45_read(bp, phy, 7827 MDIO_PMA_DEVAD, 7828 MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val); 7829 o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK); 7830 } 7831 7832 for (i = 0; i < 100; i++) { 7833 bnx2x_cl45_read(bp, phy, 7834 MDIO_PMA_DEVAD, 7835 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val); 7836 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) == 7837 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE) 7838 return 0; 7839 usleep_range(1000, 2000); 7840 } 7841 return -EINVAL; 7842 } 7843 7844 static void bnx2x_warpcore_power_module(struct link_params *params, 7845 u8 power) 7846 { 7847 u32 pin_cfg; 7848 struct bnx2x *bp = params->bp; 7849 7850 pin_cfg = (REG_RD(bp, params->shmem_base + 7851 offsetof(struct shmem_region, 7852 dev_info.port_hw_config[params->port].e3_sfp_ctrl)) & 7853 PORT_HW_CFG_E3_PWR_DIS_MASK) >> 7854 PORT_HW_CFG_E3_PWR_DIS_SHIFT; 7855 7856 if (pin_cfg == PIN_CFG_NA) 7857 return; 7858 DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n", 7859 power, pin_cfg); 7860 /* Low ==> corresponding SFP+ module is powered 7861 * high ==> the SFP+ module is powered down 7862 */ 7863 bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1); 7864 } 7865 static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy, 7866 struct link_params *params, 7867 u8 dev_addr, 7868 u16 addr, u8 byte_cnt, 7869 u8 *o_buf, u8 is_init) 7870 { 7871 int rc = 0; 7872 u8 i, j = 0, cnt = 0; 7873 u32 data_array[4]; 7874 u16 addr32; 7875 struct bnx2x *bp = params->bp; 7876 7877 if (byte_cnt > SFP_EEPROM_PAGE_SIZE) { 7878 DP(NETIF_MSG_LINK, 7879 "Reading from eeprom is limited to 16 bytes\n"); 7880 return -EINVAL; 7881 } 7882 7883 /* 4 byte aligned address */ 7884 addr32 = addr & (~0x3); 7885 do { 7886 if ((!is_init) && (cnt == I2C_WA_PWR_ITER)) { 7887 bnx2x_warpcore_power_module(params, 0); 7888 /* Note that 100us are not enough here */ 7889 usleep_range(1000, 2000); 7890 bnx2x_warpcore_power_module(params, 1); 7891 } 7892 rc = bnx2x_bsc_read(params, bp, dev_addr, addr32, 0, byte_cnt, 7893 data_array); 7894 } while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT)); 7895 7896 if (rc == 0) { 7897 for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) { 7898 o_buf[j] = *((u8 *)data_array + i); 7899 j++; 7900 } 7901 } 7902 7903 return rc; 7904 } 7905 7906 static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy, 7907 struct link_params *params, 7908 u8 dev_addr, u16 addr, u8 byte_cnt, 7909 u8 *o_buf, u8 is_init) 7910 { 7911 struct bnx2x *bp = params->bp; 7912 u16 val, i; 7913 7914 if (byte_cnt > SFP_EEPROM_PAGE_SIZE) { 7915 DP(NETIF_MSG_LINK, 7916 "Reading from eeprom is limited to 0xf\n"); 7917 return -EINVAL; 7918 } 7919 7920 /* Set 2-wire transfer rate of SFP+ module EEPROM 7921 * to 100Khz since some DACs(direct attached cables) do 7922 * not work at 400Khz. 7923 */ 7924 bnx2x_cl45_write(bp, phy, 7925 MDIO_PMA_DEVAD, 7926 MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR, 7927 ((dev_addr << 8) | 1)); 7928 7929 /* Need to read from 1.8000 to clear it */ 7930 bnx2x_cl45_read(bp, phy, 7931 MDIO_PMA_DEVAD, 7932 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, 7933 &val); 7934 7935 /* Set the read command byte count */ 7936 bnx2x_cl45_write(bp, phy, 7937 MDIO_PMA_DEVAD, 7938 MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT, 7939 ((byte_cnt < 2) ? 2 : byte_cnt)); 7940 7941 /* Set the read command address */ 7942 bnx2x_cl45_write(bp, phy, 7943 MDIO_PMA_DEVAD, 7944 MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR, 7945 addr); 7946 /* Set the destination address */ 7947 bnx2x_cl45_write(bp, phy, 7948 MDIO_PMA_DEVAD, 7949 0x8004, 7950 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF); 7951 7952 /* Activate read command */ 7953 bnx2x_cl45_write(bp, phy, 7954 MDIO_PMA_DEVAD, 7955 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, 7956 0x8002); 7957 /* Wait appropriate time for two-wire command to finish before 7958 * polling the status register 7959 */ 7960 usleep_range(1000, 2000); 7961 7962 /* Wait up to 500us for command complete status */ 7963 for (i = 0; i < 100; i++) { 7964 bnx2x_cl45_read(bp, phy, 7965 MDIO_PMA_DEVAD, 7966 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val); 7967 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) == 7968 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) 7969 break; 7970 udelay(5); 7971 } 7972 7973 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) != 7974 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) { 7975 DP(NETIF_MSG_LINK, 7976 "Got bad status 0x%x when reading from SFP+ EEPROM\n", 7977 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK)); 7978 return -EFAULT; 7979 } 7980 7981 /* Read the buffer */ 7982 for (i = 0; i < byte_cnt; i++) { 7983 bnx2x_cl45_read(bp, phy, 7984 MDIO_PMA_DEVAD, 7985 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val); 7986 o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK); 7987 } 7988 7989 for (i = 0; i < 100; i++) { 7990 bnx2x_cl45_read(bp, phy, 7991 MDIO_PMA_DEVAD, 7992 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val); 7993 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) == 7994 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE) 7995 return 0; 7996 usleep_range(1000, 2000); 7997 } 7998 7999 return -EINVAL; 8000 } 8001 int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy, 8002 struct link_params *params, u8 dev_addr, 8003 u16 addr, u16 byte_cnt, u8 *o_buf) 8004 { 8005 int rc = 0; 8006 struct bnx2x *bp = params->bp; 8007 u8 xfer_size; 8008 u8 *user_data = o_buf; 8009 read_sfp_module_eeprom_func_p read_func; 8010 8011 if ((dev_addr != 0xa0) && (dev_addr != 0xa2)) { 8012 DP(NETIF_MSG_LINK, "invalid dev_addr 0x%x\n", dev_addr); 8013 return -EINVAL; 8014 } 8015 8016 switch (phy->type) { 8017 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726: 8018 read_func = bnx2x_8726_read_sfp_module_eeprom; 8019 break; 8020 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727: 8021 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722: 8022 read_func = bnx2x_8727_read_sfp_module_eeprom; 8023 break; 8024 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT: 8025 read_func = bnx2x_warpcore_read_sfp_module_eeprom; 8026 break; 8027 default: 8028 return -EOPNOTSUPP; 8029 } 8030 8031 while (!rc && (byte_cnt > 0)) { 8032 xfer_size = (byte_cnt > SFP_EEPROM_PAGE_SIZE) ? 8033 SFP_EEPROM_PAGE_SIZE : byte_cnt; 8034 rc = read_func(phy, params, dev_addr, addr, xfer_size, 8035 user_data, 0); 8036 byte_cnt -= xfer_size; 8037 user_data += xfer_size; 8038 addr += xfer_size; 8039 } 8040 return rc; 8041 } 8042 8043 static int bnx2x_get_edc_mode(struct bnx2x_phy *phy, 8044 struct link_params *params, 8045 u16 *edc_mode) 8046 { 8047 struct bnx2x *bp = params->bp; 8048 u32 sync_offset = 0, phy_idx, media_types; 8049 u8 gport, val[2], check_limiting_mode = 0; 8050 *edc_mode = EDC_MODE_LIMITING; 8051 phy->media_type = ETH_PHY_UNSPECIFIED; 8052 /* First check for copper cable */ 8053 if (bnx2x_read_sfp_module_eeprom(phy, 8054 params, 8055 I2C_DEV_ADDR_A0, 8056 SFP_EEPROM_CON_TYPE_ADDR, 8057 2, 8058 (u8 *)val) != 0) { 8059 DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n"); 8060 return -EINVAL; 8061 } 8062 8063 switch (val[0]) { 8064 case SFP_EEPROM_CON_TYPE_VAL_COPPER: 8065 { 8066 u8 copper_module_type; 8067 phy->media_type = ETH_PHY_DA_TWINAX; 8068 /* Check if its active cable (includes SFP+ module) 8069 * of passive cable 8070 */ 8071 if (bnx2x_read_sfp_module_eeprom(phy, 8072 params, 8073 I2C_DEV_ADDR_A0, 8074 SFP_EEPROM_FC_TX_TECH_ADDR, 8075 1, 8076 &copper_module_type) != 0) { 8077 DP(NETIF_MSG_LINK, 8078 "Failed to read copper-cable-type" 8079 " from SFP+ EEPROM\n"); 8080 return -EINVAL; 8081 } 8082 8083 if (copper_module_type & 8084 SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) { 8085 DP(NETIF_MSG_LINK, "Active Copper cable detected\n"); 8086 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) 8087 *edc_mode = EDC_MODE_ACTIVE_DAC; 8088 else 8089 check_limiting_mode = 1; 8090 } else { 8091 *edc_mode = EDC_MODE_PASSIVE_DAC; 8092 /* Even in case PASSIVE_DAC indication is not set, 8093 * treat it as a passive DAC cable, since some cables 8094 * don't have this indication. 8095 */ 8096 if (copper_module_type & 8097 SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) { 8098 DP(NETIF_MSG_LINK, 8099 "Passive Copper cable detected\n"); 8100 } else { 8101 DP(NETIF_MSG_LINK, 8102 "Unknown copper-cable-type\n"); 8103 } 8104 } 8105 break; 8106 } 8107 case SFP_EEPROM_CON_TYPE_VAL_LC: 8108 case SFP_EEPROM_CON_TYPE_VAL_RJ45: 8109 check_limiting_mode = 1; 8110 if ((val[1] & (SFP_EEPROM_COMP_CODE_SR_MASK | 8111 SFP_EEPROM_COMP_CODE_LR_MASK | 8112 SFP_EEPROM_COMP_CODE_LRM_MASK)) == 0) { 8113 DP(NETIF_MSG_LINK, "1G SFP module detected\n"); 8114 gport = params->port; 8115 phy->media_type = ETH_PHY_SFP_1G_FIBER; 8116 if (phy->req_line_speed != SPEED_1000) { 8117 phy->req_line_speed = SPEED_1000; 8118 if (!CHIP_IS_E1x(bp)) { 8119 gport = BP_PATH(bp) + 8120 (params->port << 1); 8121 } 8122 netdev_err(bp->dev, 8123 "Warning: Link speed was forced to 1000Mbps. Current SFP module in port %d is not compliant with 10G Ethernet\n", 8124 gport); 8125 } 8126 } else { 8127 int idx, cfg_idx = 0; 8128 DP(NETIF_MSG_LINK, "10G Optic module detected\n"); 8129 for (idx = INT_PHY; idx < MAX_PHYS; idx++) { 8130 if (params->phy[idx].type == phy->type) { 8131 cfg_idx = LINK_CONFIG_IDX(idx); 8132 break; 8133 } 8134 } 8135 phy->media_type = ETH_PHY_SFPP_10G_FIBER; 8136 phy->req_line_speed = params->req_line_speed[cfg_idx]; 8137 } 8138 break; 8139 default: 8140 DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n", 8141 val[0]); 8142 return -EINVAL; 8143 } 8144 sync_offset = params->shmem_base + 8145 offsetof(struct shmem_region, 8146 dev_info.port_hw_config[params->port].media_type); 8147 media_types = REG_RD(bp, sync_offset); 8148 /* Update media type for non-PMF sync */ 8149 for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) { 8150 if (&(params->phy[phy_idx]) == phy) { 8151 media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK << 8152 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx)); 8153 media_types |= ((phy->media_type & 8154 PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) << 8155 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx)); 8156 break; 8157 } 8158 } 8159 REG_WR(bp, sync_offset, media_types); 8160 if (check_limiting_mode) { 8161 u8 options[SFP_EEPROM_OPTIONS_SIZE]; 8162 if (bnx2x_read_sfp_module_eeprom(phy, 8163 params, 8164 I2C_DEV_ADDR_A0, 8165 SFP_EEPROM_OPTIONS_ADDR, 8166 SFP_EEPROM_OPTIONS_SIZE, 8167 options) != 0) { 8168 DP(NETIF_MSG_LINK, 8169 "Failed to read Option field from module EEPROM\n"); 8170 return -EINVAL; 8171 } 8172 if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK)) 8173 *edc_mode = EDC_MODE_LINEAR; 8174 else 8175 *edc_mode = EDC_MODE_LIMITING; 8176 } 8177 DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode); 8178 return 0; 8179 } 8180 /* This function read the relevant field from the module (SFP+), and verify it 8181 * is compliant with this board 8182 */ 8183 static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy, 8184 struct link_params *params) 8185 { 8186 struct bnx2x *bp = params->bp; 8187 u32 val, cmd; 8188 u32 fw_resp, fw_cmd_param; 8189 char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1]; 8190 char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1]; 8191 phy->flags &= ~FLAGS_SFP_NOT_APPROVED; 8192 val = REG_RD(bp, params->shmem_base + 8193 offsetof(struct shmem_region, dev_info. 8194 port_feature_config[params->port].config)); 8195 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) == 8196 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) { 8197 DP(NETIF_MSG_LINK, "NOT enforcing module verification\n"); 8198 return 0; 8199 } 8200 8201 if (params->feature_config_flags & 8202 FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) { 8203 /* Use specific phy request */ 8204 cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL; 8205 } else if (params->feature_config_flags & 8206 FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) { 8207 /* Use first phy request only in case of non-dual media*/ 8208 if (DUAL_MEDIA(params)) { 8209 DP(NETIF_MSG_LINK, 8210 "FW does not support OPT MDL verification\n"); 8211 return -EINVAL; 8212 } 8213 cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL; 8214 } else { 8215 /* No support in OPT MDL detection */ 8216 DP(NETIF_MSG_LINK, 8217 "FW does not support OPT MDL verification\n"); 8218 return -EINVAL; 8219 } 8220 8221 fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl); 8222 fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param); 8223 if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) { 8224 DP(NETIF_MSG_LINK, "Approved module\n"); 8225 return 0; 8226 } 8227 8228 /* Format the warning message */ 8229 if (bnx2x_read_sfp_module_eeprom(phy, 8230 params, 8231 I2C_DEV_ADDR_A0, 8232 SFP_EEPROM_VENDOR_NAME_ADDR, 8233 SFP_EEPROM_VENDOR_NAME_SIZE, 8234 (u8 *)vendor_name)) 8235 vendor_name[0] = '\0'; 8236 else 8237 vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0'; 8238 if (bnx2x_read_sfp_module_eeprom(phy, 8239 params, 8240 I2C_DEV_ADDR_A0, 8241 SFP_EEPROM_PART_NO_ADDR, 8242 SFP_EEPROM_PART_NO_SIZE, 8243 (u8 *)vendor_pn)) 8244 vendor_pn[0] = '\0'; 8245 else 8246 vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0'; 8247 8248 netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected," 8249 " Port %d from %s part number %s\n", 8250 params->port, vendor_name, vendor_pn); 8251 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) != 8252 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_WARNING_MSG) 8253 phy->flags |= FLAGS_SFP_NOT_APPROVED; 8254 return -EINVAL; 8255 } 8256 8257 static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy, 8258 struct link_params *params) 8259 8260 { 8261 u8 val; 8262 int rc; 8263 struct bnx2x *bp = params->bp; 8264 u16 timeout; 8265 /* Initialization time after hot-plug may take up to 300ms for 8266 * some phys type ( e.g. JDSU ) 8267 */ 8268 8269 for (timeout = 0; timeout < 60; timeout++) { 8270 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) 8271 rc = bnx2x_warpcore_read_sfp_module_eeprom( 8272 phy, params, I2C_DEV_ADDR_A0, 1, 1, &val, 8273 1); 8274 else 8275 rc = bnx2x_read_sfp_module_eeprom(phy, params, 8276 I2C_DEV_ADDR_A0, 8277 1, 1, &val); 8278 if (rc == 0) { 8279 DP(NETIF_MSG_LINK, 8280 "SFP+ module initialization took %d ms\n", 8281 timeout * 5); 8282 return 0; 8283 } 8284 usleep_range(5000, 10000); 8285 } 8286 rc = bnx2x_read_sfp_module_eeprom(phy, params, I2C_DEV_ADDR_A0, 8287 1, 1, &val); 8288 return rc; 8289 } 8290 8291 static void bnx2x_8727_power_module(struct bnx2x *bp, 8292 struct bnx2x_phy *phy, 8293 u8 is_power_up) { 8294 /* Make sure GPIOs are not using for LED mode */ 8295 u16 val; 8296 /* In the GPIO register, bit 4 is use to determine if the GPIOs are 8297 * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for 8298 * output 8299 * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0 8300 * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1 8301 * where the 1st bit is the over-current(only input), and 2nd bit is 8302 * for power( only output ) 8303 * 8304 * In case of NOC feature is disabled and power is up, set GPIO control 8305 * as input to enable listening of over-current indication 8306 */ 8307 if (phy->flags & FLAGS_NOC) 8308 return; 8309 if (is_power_up) 8310 val = (1<<4); 8311 else 8312 /* Set GPIO control to OUTPUT, and set the power bit 8313 * to according to the is_power_up 8314 */ 8315 val = (1<<1); 8316 8317 bnx2x_cl45_write(bp, phy, 8318 MDIO_PMA_DEVAD, 8319 MDIO_PMA_REG_8727_GPIO_CTRL, 8320 val); 8321 } 8322 8323 static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp, 8324 struct bnx2x_phy *phy, 8325 u16 edc_mode) 8326 { 8327 u16 cur_limiting_mode; 8328 8329 bnx2x_cl45_read(bp, phy, 8330 MDIO_PMA_DEVAD, 8331 MDIO_PMA_REG_ROM_VER2, 8332 &cur_limiting_mode); 8333 DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n", 8334 cur_limiting_mode); 8335 8336 if (edc_mode == EDC_MODE_LIMITING) { 8337 DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n"); 8338 bnx2x_cl45_write(bp, phy, 8339 MDIO_PMA_DEVAD, 8340 MDIO_PMA_REG_ROM_VER2, 8341 EDC_MODE_LIMITING); 8342 } else { /* LRM mode ( default )*/ 8343 8344 DP(NETIF_MSG_LINK, "Setting LRM MODE\n"); 8345 8346 /* Changing to LRM mode takes quite few seconds. So do it only 8347 * if current mode is limiting (default is LRM) 8348 */ 8349 if (cur_limiting_mode != EDC_MODE_LIMITING) 8350 return 0; 8351 8352 bnx2x_cl45_write(bp, phy, 8353 MDIO_PMA_DEVAD, 8354 MDIO_PMA_REG_LRM_MODE, 8355 0); 8356 bnx2x_cl45_write(bp, phy, 8357 MDIO_PMA_DEVAD, 8358 MDIO_PMA_REG_ROM_VER2, 8359 0x128); 8360 bnx2x_cl45_write(bp, phy, 8361 MDIO_PMA_DEVAD, 8362 MDIO_PMA_REG_MISC_CTRL0, 8363 0x4008); 8364 bnx2x_cl45_write(bp, phy, 8365 MDIO_PMA_DEVAD, 8366 MDIO_PMA_REG_LRM_MODE, 8367 0xaaaa); 8368 } 8369 return 0; 8370 } 8371 8372 static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp, 8373 struct bnx2x_phy *phy, 8374 u16 edc_mode) 8375 { 8376 u16 phy_identifier; 8377 u16 rom_ver2_val; 8378 bnx2x_cl45_read(bp, phy, 8379 MDIO_PMA_DEVAD, 8380 MDIO_PMA_REG_PHY_IDENTIFIER, 8381 &phy_identifier); 8382 8383 bnx2x_cl45_write(bp, phy, 8384 MDIO_PMA_DEVAD, 8385 MDIO_PMA_REG_PHY_IDENTIFIER, 8386 (phy_identifier & ~(1<<9))); 8387 8388 bnx2x_cl45_read(bp, phy, 8389 MDIO_PMA_DEVAD, 8390 MDIO_PMA_REG_ROM_VER2, 8391 &rom_ver2_val); 8392 /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */ 8393 bnx2x_cl45_write(bp, phy, 8394 MDIO_PMA_DEVAD, 8395 MDIO_PMA_REG_ROM_VER2, 8396 (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff)); 8397 8398 bnx2x_cl45_write(bp, phy, 8399 MDIO_PMA_DEVAD, 8400 MDIO_PMA_REG_PHY_IDENTIFIER, 8401 (phy_identifier | (1<<9))); 8402 8403 return 0; 8404 } 8405 8406 static void bnx2x_8727_specific_func(struct bnx2x_phy *phy, 8407 struct link_params *params, 8408 u32 action) 8409 { 8410 struct bnx2x *bp = params->bp; 8411 u16 val; 8412 switch (action) { 8413 case DISABLE_TX: 8414 bnx2x_sfp_set_transmitter(params, phy, 0); 8415 break; 8416 case ENABLE_TX: 8417 if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) 8418 bnx2x_sfp_set_transmitter(params, phy, 1); 8419 break; 8420 case PHY_INIT: 8421 bnx2x_cl45_write(bp, phy, 8422 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, 8423 (1<<2) | (1<<5)); 8424 bnx2x_cl45_write(bp, phy, 8425 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL, 8426 0); 8427 bnx2x_cl45_write(bp, phy, 8428 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0006); 8429 /* Make MOD_ABS give interrupt on change */ 8430 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 8431 MDIO_PMA_REG_8727_PCS_OPT_CTRL, 8432 &val); 8433 val |= (1<<12); 8434 if (phy->flags & FLAGS_NOC) 8435 val |= (3<<5); 8436 /* Set 8727 GPIOs to input to allow reading from the 8727 GPIO0 8437 * status which reflect SFP+ module over-current 8438 */ 8439 if (!(phy->flags & FLAGS_NOC)) 8440 val &= 0xff8f; /* Reset bits 4-6 */ 8441 bnx2x_cl45_write(bp, phy, 8442 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, 8443 val); 8444 break; 8445 default: 8446 DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n", 8447 action); 8448 return; 8449 } 8450 } 8451 8452 static void bnx2x_set_e1e2_module_fault_led(struct link_params *params, 8453 u8 gpio_mode) 8454 { 8455 struct bnx2x *bp = params->bp; 8456 8457 u32 fault_led_gpio = REG_RD(bp, params->shmem_base + 8458 offsetof(struct shmem_region, 8459 dev_info.port_hw_config[params->port].sfp_ctrl)) & 8460 PORT_HW_CFG_FAULT_MODULE_LED_MASK; 8461 switch (fault_led_gpio) { 8462 case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED: 8463 return; 8464 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0: 8465 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1: 8466 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2: 8467 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3: 8468 { 8469 u8 gpio_port = bnx2x_get_gpio_port(params); 8470 u16 gpio_pin = fault_led_gpio - 8471 PORT_HW_CFG_FAULT_MODULE_LED_GPIO0; 8472 DP(NETIF_MSG_LINK, "Set fault module-detected led " 8473 "pin %x port %x mode %x\n", 8474 gpio_pin, gpio_port, gpio_mode); 8475 bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port); 8476 } 8477 break; 8478 default: 8479 DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n", 8480 fault_led_gpio); 8481 } 8482 } 8483 8484 static void bnx2x_set_e3_module_fault_led(struct link_params *params, 8485 u8 gpio_mode) 8486 { 8487 u32 pin_cfg; 8488 u8 port = params->port; 8489 struct bnx2x *bp = params->bp; 8490 pin_cfg = (REG_RD(bp, params->shmem_base + 8491 offsetof(struct shmem_region, 8492 dev_info.port_hw_config[port].e3_sfp_ctrl)) & 8493 PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >> 8494 PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT; 8495 DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n", 8496 gpio_mode, pin_cfg); 8497 bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode); 8498 } 8499 8500 static void bnx2x_set_sfp_module_fault_led(struct link_params *params, 8501 u8 gpio_mode) 8502 { 8503 struct bnx2x *bp = params->bp; 8504 DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode); 8505 if (CHIP_IS_E3(bp)) { 8506 /* Low ==> if SFP+ module is supported otherwise 8507 * High ==> if SFP+ module is not on the approved vendor list 8508 */ 8509 bnx2x_set_e3_module_fault_led(params, gpio_mode); 8510 } else 8511 bnx2x_set_e1e2_module_fault_led(params, gpio_mode); 8512 } 8513 8514 static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy, 8515 struct link_params *params) 8516 { 8517 struct bnx2x *bp = params->bp; 8518 bnx2x_warpcore_power_module(params, 0); 8519 /* Put Warpcore in low power mode */ 8520 REG_WR(bp, MISC_REG_WC0_RESET, 0x0c0e); 8521 8522 /* Put LCPLL in low power mode */ 8523 REG_WR(bp, MISC_REG_LCPLL_E40_PWRDWN, 1); 8524 REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_ANA, 0); 8525 REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_DIG, 0); 8526 } 8527 8528 static void bnx2x_power_sfp_module(struct link_params *params, 8529 struct bnx2x_phy *phy, 8530 u8 power) 8531 { 8532 struct bnx2x *bp = params->bp; 8533 DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power); 8534 8535 switch (phy->type) { 8536 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727: 8537 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722: 8538 bnx2x_8727_power_module(params->bp, phy, power); 8539 break; 8540 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT: 8541 bnx2x_warpcore_power_module(params, power); 8542 break; 8543 default: 8544 break; 8545 } 8546 } 8547 static void bnx2x_warpcore_set_limiting_mode(struct link_params *params, 8548 struct bnx2x_phy *phy, 8549 u16 edc_mode) 8550 { 8551 u16 val = 0; 8552 u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT; 8553 struct bnx2x *bp = params->bp; 8554 8555 u8 lane = bnx2x_get_warpcore_lane(phy, params); 8556 /* This is a global register which controls all lanes */ 8557 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 8558 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val); 8559 val &= ~(0xf << (lane << 2)); 8560 8561 switch (edc_mode) { 8562 case EDC_MODE_LINEAR: 8563 case EDC_MODE_LIMITING: 8564 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT; 8565 break; 8566 case EDC_MODE_PASSIVE_DAC: 8567 case EDC_MODE_ACTIVE_DAC: 8568 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC; 8569 break; 8570 default: 8571 break; 8572 } 8573 8574 val |= (mode << (lane << 2)); 8575 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 8576 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val); 8577 /* A must read */ 8578 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 8579 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val); 8580 8581 /* Restart microcode to re-read the new mode */ 8582 bnx2x_warpcore_reset_lane(bp, phy, 1); 8583 bnx2x_warpcore_reset_lane(bp, phy, 0); 8584 8585 } 8586 8587 static void bnx2x_set_limiting_mode(struct link_params *params, 8588 struct bnx2x_phy *phy, 8589 u16 edc_mode) 8590 { 8591 switch (phy->type) { 8592 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726: 8593 bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode); 8594 break; 8595 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727: 8596 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722: 8597 bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode); 8598 break; 8599 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT: 8600 bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode); 8601 break; 8602 } 8603 } 8604 8605 static int bnx2x_sfp_module_detection(struct bnx2x_phy *phy, 8606 struct link_params *params) 8607 { 8608 struct bnx2x *bp = params->bp; 8609 u16 edc_mode; 8610 int rc = 0; 8611 8612 u32 val = REG_RD(bp, params->shmem_base + 8613 offsetof(struct shmem_region, dev_info. 8614 port_feature_config[params->port].config)); 8615 /* Enabled transmitter by default */ 8616 bnx2x_sfp_set_transmitter(params, phy, 1); 8617 DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n", 8618 params->port); 8619 /* Power up module */ 8620 bnx2x_power_sfp_module(params, phy, 1); 8621 if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) { 8622 DP(NETIF_MSG_LINK, "Failed to get valid module type\n"); 8623 return -EINVAL; 8624 } else if (bnx2x_verify_sfp_module(phy, params) != 0) { 8625 /* Check SFP+ module compatibility */ 8626 DP(NETIF_MSG_LINK, "Module verification failed!!\n"); 8627 rc = -EINVAL; 8628 /* Turn on fault module-detected led */ 8629 bnx2x_set_sfp_module_fault_led(params, 8630 MISC_REGISTERS_GPIO_HIGH); 8631 8632 /* Check if need to power down the SFP+ module */ 8633 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) == 8634 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) { 8635 DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n"); 8636 bnx2x_power_sfp_module(params, phy, 0); 8637 return rc; 8638 } 8639 } else { 8640 /* Turn off fault module-detected led */ 8641 bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW); 8642 } 8643 8644 /* Check and set limiting mode / LRM mode on 8726. On 8727 it 8645 * is done automatically 8646 */ 8647 bnx2x_set_limiting_mode(params, phy, edc_mode); 8648 8649 /* Disable transmit for this module if the module is not approved, and 8650 * laser needs to be disabled. 8651 */ 8652 if ((rc) && 8653 ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) == 8654 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)) 8655 bnx2x_sfp_set_transmitter(params, phy, 0); 8656 8657 return rc; 8658 } 8659 8660 void bnx2x_handle_module_detect_int(struct link_params *params) 8661 { 8662 struct bnx2x *bp = params->bp; 8663 struct bnx2x_phy *phy; 8664 u32 gpio_val; 8665 u8 gpio_num, gpio_port; 8666 if (CHIP_IS_E3(bp)) { 8667 phy = ¶ms->phy[INT_PHY]; 8668 /* Always enable TX laser,will be disabled in case of fault */ 8669 bnx2x_sfp_set_transmitter(params, phy, 1); 8670 } else { 8671 phy = ¶ms->phy[EXT_PHY1]; 8672 } 8673 if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base, 8674 params->port, &gpio_num, &gpio_port) == 8675 -EINVAL) { 8676 DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n"); 8677 return; 8678 } 8679 8680 /* Set valid module led off */ 8681 bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH); 8682 8683 /* Get current gpio val reflecting module plugged in / out*/ 8684 gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port); 8685 8686 /* Call the handling function in case module is detected */ 8687 if (gpio_val == 0) { 8688 bnx2x_set_mdio_emac_per_phy(bp, params); 8689 bnx2x_set_aer_mmd(params, phy); 8690 8691 bnx2x_power_sfp_module(params, phy, 1); 8692 bnx2x_set_gpio_int(bp, gpio_num, 8693 MISC_REGISTERS_GPIO_INT_OUTPUT_CLR, 8694 gpio_port); 8695 if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0) { 8696 bnx2x_sfp_module_detection(phy, params); 8697 if (CHIP_IS_E3(bp)) { 8698 u16 rx_tx_in_reset; 8699 /* In case WC is out of reset, reconfigure the 8700 * link speed while taking into account 1G 8701 * module limitation. 8702 */ 8703 bnx2x_cl45_read(bp, phy, 8704 MDIO_WC_DEVAD, 8705 MDIO_WC_REG_DIGITAL5_MISC6, 8706 &rx_tx_in_reset); 8707 if ((!rx_tx_in_reset) && 8708 (params->link_flags & 8709 PHY_INITIALIZED)) { 8710 bnx2x_warpcore_reset_lane(bp, phy, 1); 8711 bnx2x_warpcore_config_sfi(phy, params); 8712 bnx2x_warpcore_reset_lane(bp, phy, 0); 8713 } 8714 } 8715 } else { 8716 DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n"); 8717 } 8718 } else { 8719 bnx2x_set_gpio_int(bp, gpio_num, 8720 MISC_REGISTERS_GPIO_INT_OUTPUT_SET, 8721 gpio_port); 8722 /* Module was plugged out. 8723 * Disable transmit for this module 8724 */ 8725 phy->media_type = ETH_PHY_NOT_PRESENT; 8726 } 8727 } 8728 8729 /******************************************************************/ 8730 /* Used by 8706 and 8727 */ 8731 /******************************************************************/ 8732 static void bnx2x_sfp_mask_fault(struct bnx2x *bp, 8733 struct bnx2x_phy *phy, 8734 u16 alarm_status_offset, 8735 u16 alarm_ctrl_offset) 8736 { 8737 u16 alarm_status, val; 8738 bnx2x_cl45_read(bp, phy, 8739 MDIO_PMA_DEVAD, alarm_status_offset, 8740 &alarm_status); 8741 bnx2x_cl45_read(bp, phy, 8742 MDIO_PMA_DEVAD, alarm_status_offset, 8743 &alarm_status); 8744 /* Mask or enable the fault event. */ 8745 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val); 8746 if (alarm_status & (1<<0)) 8747 val &= ~(1<<0); 8748 else 8749 val |= (1<<0); 8750 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val); 8751 } 8752 /******************************************************************/ 8753 /* common BCM8706/BCM8726 PHY SECTION */ 8754 /******************************************************************/ 8755 static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy, 8756 struct link_params *params, 8757 struct link_vars *vars) 8758 { 8759 u8 link_up = 0; 8760 u16 val1, val2, rx_sd, pcs_status; 8761 struct bnx2x *bp = params->bp; 8762 DP(NETIF_MSG_LINK, "XGXS 8706/8726\n"); 8763 /* Clear RX Alarm*/ 8764 bnx2x_cl45_read(bp, phy, 8765 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2); 8766 8767 bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT, 8768 MDIO_PMA_LASI_TXCTRL); 8769 8770 /* Clear LASI indication*/ 8771 bnx2x_cl45_read(bp, phy, 8772 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1); 8773 bnx2x_cl45_read(bp, phy, 8774 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2); 8775 DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2); 8776 8777 bnx2x_cl45_read(bp, phy, 8778 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd); 8779 bnx2x_cl45_read(bp, phy, 8780 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status); 8781 bnx2x_cl45_read(bp, phy, 8782 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2); 8783 bnx2x_cl45_read(bp, phy, 8784 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2); 8785 8786 DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps" 8787 " link_status 0x%x\n", rx_sd, pcs_status, val2); 8788 /* Link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status 8789 * are set, or if the autoneg bit 1 is set 8790 */ 8791 link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1))); 8792 if (link_up) { 8793 if (val2 & (1<<1)) 8794 vars->line_speed = SPEED_1000; 8795 else 8796 vars->line_speed = SPEED_10000; 8797 bnx2x_ext_phy_resolve_fc(phy, params, vars); 8798 vars->duplex = DUPLEX_FULL; 8799 } 8800 8801 /* Capture 10G link fault. Read twice to clear stale value. */ 8802 if (vars->line_speed == SPEED_10000) { 8803 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 8804 MDIO_PMA_LASI_TXSTAT, &val1); 8805 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 8806 MDIO_PMA_LASI_TXSTAT, &val1); 8807 if (val1 & (1<<0)) 8808 vars->fault_detected = 1; 8809 } 8810 8811 return link_up; 8812 } 8813 8814 /******************************************************************/ 8815 /* BCM8706 PHY SECTION */ 8816 /******************************************************************/ 8817 static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy, 8818 struct link_params *params, 8819 struct link_vars *vars) 8820 { 8821 u32 tx_en_mode; 8822 u16 cnt, val, tmp1; 8823 struct bnx2x *bp = params->bp; 8824 8825 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, 8826 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port); 8827 /* HW reset */ 8828 bnx2x_ext_phy_hw_reset(bp, params->port); 8829 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040); 8830 bnx2x_wait_reset_complete(bp, phy, params); 8831 8832 /* Wait until fw is loaded */ 8833 for (cnt = 0; cnt < 100; cnt++) { 8834 bnx2x_cl45_read(bp, phy, 8835 MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val); 8836 if (val) 8837 break; 8838 usleep_range(10000, 20000); 8839 } 8840 DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt); 8841 if ((params->feature_config_flags & 8842 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) { 8843 u8 i; 8844 u16 reg; 8845 for (i = 0; i < 4; i++) { 8846 reg = MDIO_XS_8706_REG_BANK_RX0 + 8847 i*(MDIO_XS_8706_REG_BANK_RX1 - 8848 MDIO_XS_8706_REG_BANK_RX0); 8849 bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val); 8850 /* Clear first 3 bits of the control */ 8851 val &= ~0x7; 8852 /* Set control bits according to configuration */ 8853 val |= (phy->rx_preemphasis[i] & 0x7); 8854 DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706" 8855 " reg 0x%x <-- val 0x%x\n", reg, val); 8856 bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val); 8857 } 8858 } 8859 /* Force speed */ 8860 if (phy->req_line_speed == SPEED_10000) { 8861 DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n"); 8862 8863 bnx2x_cl45_write(bp, phy, 8864 MDIO_PMA_DEVAD, 8865 MDIO_PMA_REG_DIGITAL_CTRL, 0x400); 8866 bnx2x_cl45_write(bp, phy, 8867 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL, 8868 0); 8869 /* Arm LASI for link and Tx fault. */ 8870 bnx2x_cl45_write(bp, phy, 8871 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3); 8872 } else { 8873 /* Force 1Gbps using autoneg with 1G advertisement */ 8874 8875 /* Allow CL37 through CL73 */ 8876 DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n"); 8877 bnx2x_cl45_write(bp, phy, 8878 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c); 8879 8880 /* Enable Full-Duplex advertisement on CL37 */ 8881 bnx2x_cl45_write(bp, phy, 8882 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020); 8883 /* Enable CL37 AN */ 8884 bnx2x_cl45_write(bp, phy, 8885 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000); 8886 /* 1G support */ 8887 bnx2x_cl45_write(bp, phy, 8888 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5)); 8889 8890 /* Enable clause 73 AN */ 8891 bnx2x_cl45_write(bp, phy, 8892 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200); 8893 bnx2x_cl45_write(bp, phy, 8894 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, 8895 0x0400); 8896 bnx2x_cl45_write(bp, phy, 8897 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 8898 0x0004); 8899 } 8900 bnx2x_save_bcm_spirom_ver(bp, phy, params->port); 8901 8902 /* If TX Laser is controlled by GPIO_0, do not let PHY go into low 8903 * power mode, if TX Laser is disabled 8904 */ 8905 8906 tx_en_mode = REG_RD(bp, params->shmem_base + 8907 offsetof(struct shmem_region, 8908 dev_info.port_hw_config[params->port].sfp_ctrl)) 8909 & PORT_HW_CFG_TX_LASER_MASK; 8910 8911 if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) { 8912 DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n"); 8913 bnx2x_cl45_read(bp, phy, 8914 MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1); 8915 tmp1 |= 0x1; 8916 bnx2x_cl45_write(bp, phy, 8917 MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1); 8918 } 8919 8920 return 0; 8921 } 8922 8923 static int bnx2x_8706_read_status(struct bnx2x_phy *phy, 8924 struct link_params *params, 8925 struct link_vars *vars) 8926 { 8927 return bnx2x_8706_8726_read_status(phy, params, vars); 8928 } 8929 8930 /******************************************************************/ 8931 /* BCM8726 PHY SECTION */ 8932 /******************************************************************/ 8933 static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy, 8934 struct link_params *params) 8935 { 8936 struct bnx2x *bp = params->bp; 8937 DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n"); 8938 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001); 8939 } 8940 8941 static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy, 8942 struct link_params *params) 8943 { 8944 struct bnx2x *bp = params->bp; 8945 /* Need to wait 100ms after reset */ 8946 msleep(100); 8947 8948 /* Micro controller re-boot */ 8949 bnx2x_cl45_write(bp, phy, 8950 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B); 8951 8952 /* Set soft reset */ 8953 bnx2x_cl45_write(bp, phy, 8954 MDIO_PMA_DEVAD, 8955 MDIO_PMA_REG_GEN_CTRL, 8956 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET); 8957 8958 bnx2x_cl45_write(bp, phy, 8959 MDIO_PMA_DEVAD, 8960 MDIO_PMA_REG_MISC_CTRL1, 0x0001); 8961 8962 bnx2x_cl45_write(bp, phy, 8963 MDIO_PMA_DEVAD, 8964 MDIO_PMA_REG_GEN_CTRL, 8965 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP); 8966 8967 /* Wait for 150ms for microcode load */ 8968 msleep(150); 8969 8970 /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */ 8971 bnx2x_cl45_write(bp, phy, 8972 MDIO_PMA_DEVAD, 8973 MDIO_PMA_REG_MISC_CTRL1, 0x0000); 8974 8975 msleep(200); 8976 bnx2x_save_bcm_spirom_ver(bp, phy, params->port); 8977 } 8978 8979 static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy, 8980 struct link_params *params, 8981 struct link_vars *vars) 8982 { 8983 struct bnx2x *bp = params->bp; 8984 u16 val1; 8985 u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars); 8986 if (link_up) { 8987 bnx2x_cl45_read(bp, phy, 8988 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 8989 &val1); 8990 if (val1 & (1<<15)) { 8991 DP(NETIF_MSG_LINK, "Tx is disabled\n"); 8992 link_up = 0; 8993 vars->line_speed = 0; 8994 } 8995 } 8996 return link_up; 8997 } 8998 8999 9000 static int bnx2x_8726_config_init(struct bnx2x_phy *phy, 9001 struct link_params *params, 9002 struct link_vars *vars) 9003 { 9004 struct bnx2x *bp = params->bp; 9005 DP(NETIF_MSG_LINK, "Initializing BCM8726\n"); 9006 9007 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15); 9008 bnx2x_wait_reset_complete(bp, phy, params); 9009 9010 bnx2x_8726_external_rom_boot(phy, params); 9011 9012 /* Need to call module detected on initialization since the module 9013 * detection triggered by actual module insertion might occur before 9014 * driver is loaded, and when driver is loaded, it reset all 9015 * registers, including the transmitter 9016 */ 9017 bnx2x_sfp_module_detection(phy, params); 9018 9019 if (phy->req_line_speed == SPEED_1000) { 9020 DP(NETIF_MSG_LINK, "Setting 1G force\n"); 9021 bnx2x_cl45_write(bp, phy, 9022 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40); 9023 bnx2x_cl45_write(bp, phy, 9024 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD); 9025 bnx2x_cl45_write(bp, phy, 9026 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5); 9027 bnx2x_cl45_write(bp, phy, 9028 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, 9029 0x400); 9030 } else if ((phy->req_line_speed == SPEED_AUTO_NEG) && 9031 (phy->speed_cap_mask & 9032 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) && 9033 ((phy->speed_cap_mask & 9034 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) != 9035 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) { 9036 DP(NETIF_MSG_LINK, "Setting 1G clause37\n"); 9037 /* Set Flow control */ 9038 bnx2x_ext_phy_set_pause(params, phy, vars); 9039 bnx2x_cl45_write(bp, phy, 9040 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20); 9041 bnx2x_cl45_write(bp, phy, 9042 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c); 9043 bnx2x_cl45_write(bp, phy, 9044 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020); 9045 bnx2x_cl45_write(bp, phy, 9046 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000); 9047 bnx2x_cl45_write(bp, phy, 9048 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200); 9049 /* Enable RX-ALARM control to receive interrupt for 1G speed 9050 * change 9051 */ 9052 bnx2x_cl45_write(bp, phy, 9053 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4); 9054 bnx2x_cl45_write(bp, phy, 9055 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, 9056 0x400); 9057 9058 } else { /* Default 10G. Set only LASI control */ 9059 bnx2x_cl45_write(bp, phy, 9060 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1); 9061 } 9062 9063 /* Set TX PreEmphasis if needed */ 9064 if ((params->feature_config_flags & 9065 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) { 9066 DP(NETIF_MSG_LINK, 9067 "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n", 9068 phy->tx_preemphasis[0], 9069 phy->tx_preemphasis[1]); 9070 bnx2x_cl45_write(bp, phy, 9071 MDIO_PMA_DEVAD, 9072 MDIO_PMA_REG_8726_TX_CTRL1, 9073 phy->tx_preemphasis[0]); 9074 9075 bnx2x_cl45_write(bp, phy, 9076 MDIO_PMA_DEVAD, 9077 MDIO_PMA_REG_8726_TX_CTRL2, 9078 phy->tx_preemphasis[1]); 9079 } 9080 9081 return 0; 9082 9083 } 9084 9085 static void bnx2x_8726_link_reset(struct bnx2x_phy *phy, 9086 struct link_params *params) 9087 { 9088 struct bnx2x *bp = params->bp; 9089 DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port); 9090 /* Set serial boot control for external load */ 9091 bnx2x_cl45_write(bp, phy, 9092 MDIO_PMA_DEVAD, 9093 MDIO_PMA_REG_GEN_CTRL, 0x0001); 9094 } 9095 9096 /******************************************************************/ 9097 /* BCM8727 PHY SECTION */ 9098 /******************************************************************/ 9099 9100 static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy, 9101 struct link_params *params, u8 mode) 9102 { 9103 struct bnx2x *bp = params->bp; 9104 u16 led_mode_bitmask = 0; 9105 u16 gpio_pins_bitmask = 0; 9106 u16 val; 9107 /* Only NOC flavor requires to set the LED specifically */ 9108 if (!(phy->flags & FLAGS_NOC)) 9109 return; 9110 switch (mode) { 9111 case LED_MODE_FRONT_PANEL_OFF: 9112 case LED_MODE_OFF: 9113 led_mode_bitmask = 0; 9114 gpio_pins_bitmask = 0x03; 9115 break; 9116 case LED_MODE_ON: 9117 led_mode_bitmask = 0; 9118 gpio_pins_bitmask = 0x02; 9119 break; 9120 case LED_MODE_OPER: 9121 led_mode_bitmask = 0x60; 9122 gpio_pins_bitmask = 0x11; 9123 break; 9124 } 9125 bnx2x_cl45_read(bp, phy, 9126 MDIO_PMA_DEVAD, 9127 MDIO_PMA_REG_8727_PCS_OPT_CTRL, 9128 &val); 9129 val &= 0xff8f; 9130 val |= led_mode_bitmask; 9131 bnx2x_cl45_write(bp, phy, 9132 MDIO_PMA_DEVAD, 9133 MDIO_PMA_REG_8727_PCS_OPT_CTRL, 9134 val); 9135 bnx2x_cl45_read(bp, phy, 9136 MDIO_PMA_DEVAD, 9137 MDIO_PMA_REG_8727_GPIO_CTRL, 9138 &val); 9139 val &= 0xffe0; 9140 val |= gpio_pins_bitmask; 9141 bnx2x_cl45_write(bp, phy, 9142 MDIO_PMA_DEVAD, 9143 MDIO_PMA_REG_8727_GPIO_CTRL, 9144 val); 9145 } 9146 static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy, 9147 struct link_params *params) { 9148 u32 swap_val, swap_override; 9149 u8 port; 9150 /* The PHY reset is controlled by GPIO 1. Fake the port number 9151 * to cancel the swap done in set_gpio() 9152 */ 9153 struct bnx2x *bp = params->bp; 9154 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP); 9155 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE); 9156 port = (swap_val && swap_override) ^ 1; 9157 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1, 9158 MISC_REGISTERS_GPIO_OUTPUT_LOW, port); 9159 } 9160 9161 static void bnx2x_8727_config_speed(struct bnx2x_phy *phy, 9162 struct link_params *params) 9163 { 9164 struct bnx2x *bp = params->bp; 9165 u16 tmp1, val; 9166 /* Set option 1G speed */ 9167 if ((phy->req_line_speed == SPEED_1000) || 9168 (phy->media_type == ETH_PHY_SFP_1G_FIBER)) { 9169 DP(NETIF_MSG_LINK, "Setting 1G force\n"); 9170 bnx2x_cl45_write(bp, phy, 9171 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40); 9172 bnx2x_cl45_write(bp, phy, 9173 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD); 9174 bnx2x_cl45_read(bp, phy, 9175 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1); 9176 DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1); 9177 /* Power down the XAUI until link is up in case of dual-media 9178 * and 1G 9179 */ 9180 if (DUAL_MEDIA(params)) { 9181 bnx2x_cl45_read(bp, phy, 9182 MDIO_PMA_DEVAD, 9183 MDIO_PMA_REG_8727_PCS_GP, &val); 9184 val |= (3<<10); 9185 bnx2x_cl45_write(bp, phy, 9186 MDIO_PMA_DEVAD, 9187 MDIO_PMA_REG_8727_PCS_GP, val); 9188 } 9189 } else if ((phy->req_line_speed == SPEED_AUTO_NEG) && 9190 ((phy->speed_cap_mask & 9191 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) && 9192 ((phy->speed_cap_mask & 9193 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) != 9194 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) { 9195 9196 DP(NETIF_MSG_LINK, "Setting 1G clause37\n"); 9197 bnx2x_cl45_write(bp, phy, 9198 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0); 9199 bnx2x_cl45_write(bp, phy, 9200 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300); 9201 } else { 9202 /* Since the 8727 has only single reset pin, need to set the 10G 9203 * registers although it is default 9204 */ 9205 bnx2x_cl45_write(bp, phy, 9206 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 9207 0x0020); 9208 bnx2x_cl45_write(bp, phy, 9209 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100); 9210 bnx2x_cl45_write(bp, phy, 9211 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040); 9212 bnx2x_cl45_write(bp, phy, 9213 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 9214 0x0008); 9215 } 9216 } 9217 9218 static int bnx2x_8727_config_init(struct bnx2x_phy *phy, 9219 struct link_params *params, 9220 struct link_vars *vars) 9221 { 9222 u32 tx_en_mode; 9223 u16 tmp1, mod_abs, tmp2; 9224 struct bnx2x *bp = params->bp; 9225 /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */ 9226 9227 bnx2x_wait_reset_complete(bp, phy, params); 9228 9229 DP(NETIF_MSG_LINK, "Initializing BCM8727\n"); 9230 9231 bnx2x_8727_specific_func(phy, params, PHY_INIT); 9232 /* Initially configure MOD_ABS to interrupt when module is 9233 * presence( bit 8) 9234 */ 9235 bnx2x_cl45_read(bp, phy, 9236 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs); 9237 /* Set EDC off by setting OPTXLOS signal input to low (bit 9). 9238 * When the EDC is off it locks onto a reference clock and avoids 9239 * becoming 'lost' 9240 */ 9241 mod_abs &= ~(1<<8); 9242 if (!(phy->flags & FLAGS_NOC)) 9243 mod_abs &= ~(1<<9); 9244 bnx2x_cl45_write(bp, phy, 9245 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs); 9246 9247 /* Enable/Disable PHY transmitter output */ 9248 bnx2x_set_disable_pmd_transmit(params, phy, 0); 9249 9250 bnx2x_8727_power_module(bp, phy, 1); 9251 9252 bnx2x_cl45_read(bp, phy, 9253 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1); 9254 9255 bnx2x_cl45_read(bp, phy, 9256 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1); 9257 9258 bnx2x_8727_config_speed(phy, params); 9259 9260 9261 /* Set TX PreEmphasis if needed */ 9262 if ((params->feature_config_flags & 9263 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) { 9264 DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n", 9265 phy->tx_preemphasis[0], 9266 phy->tx_preemphasis[1]); 9267 bnx2x_cl45_write(bp, phy, 9268 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1, 9269 phy->tx_preemphasis[0]); 9270 9271 bnx2x_cl45_write(bp, phy, 9272 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2, 9273 phy->tx_preemphasis[1]); 9274 } 9275 9276 /* If TX Laser is controlled by GPIO_0, do not let PHY go into low 9277 * power mode, if TX Laser is disabled 9278 */ 9279 tx_en_mode = REG_RD(bp, params->shmem_base + 9280 offsetof(struct shmem_region, 9281 dev_info.port_hw_config[params->port].sfp_ctrl)) 9282 & PORT_HW_CFG_TX_LASER_MASK; 9283 9284 if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) { 9285 9286 DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n"); 9287 bnx2x_cl45_read(bp, phy, 9288 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2); 9289 tmp2 |= 0x1000; 9290 tmp2 &= 0xFFEF; 9291 bnx2x_cl45_write(bp, phy, 9292 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2); 9293 bnx2x_cl45_read(bp, phy, 9294 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 9295 &tmp2); 9296 bnx2x_cl45_write(bp, phy, 9297 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 9298 (tmp2 & 0x7fff)); 9299 } 9300 9301 return 0; 9302 } 9303 9304 static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy, 9305 struct link_params *params) 9306 { 9307 struct bnx2x *bp = params->bp; 9308 u16 mod_abs, rx_alarm_status; 9309 u32 val = REG_RD(bp, params->shmem_base + 9310 offsetof(struct shmem_region, dev_info. 9311 port_feature_config[params->port]. 9312 config)); 9313 bnx2x_cl45_read(bp, phy, 9314 MDIO_PMA_DEVAD, 9315 MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs); 9316 if (mod_abs & (1<<8)) { 9317 9318 /* Module is absent */ 9319 DP(NETIF_MSG_LINK, 9320 "MOD_ABS indication show module is absent\n"); 9321 phy->media_type = ETH_PHY_NOT_PRESENT; 9322 /* 1. Set mod_abs to detect next module 9323 * presence event 9324 * 2. Set EDC off by setting OPTXLOS signal input to low 9325 * (bit 9). 9326 * When the EDC is off it locks onto a reference clock and 9327 * avoids becoming 'lost'. 9328 */ 9329 mod_abs &= ~(1<<8); 9330 if (!(phy->flags & FLAGS_NOC)) 9331 mod_abs &= ~(1<<9); 9332 bnx2x_cl45_write(bp, phy, 9333 MDIO_PMA_DEVAD, 9334 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs); 9335 9336 /* Clear RX alarm since it stays up as long as 9337 * the mod_abs wasn't changed 9338 */ 9339 bnx2x_cl45_read(bp, phy, 9340 MDIO_PMA_DEVAD, 9341 MDIO_PMA_LASI_RXSTAT, &rx_alarm_status); 9342 9343 } else { 9344 /* Module is present */ 9345 DP(NETIF_MSG_LINK, 9346 "MOD_ABS indication show module is present\n"); 9347 /* First disable transmitter, and if the module is ok, the 9348 * module_detection will enable it 9349 * 1. Set mod_abs to detect next module absent event ( bit 8) 9350 * 2. Restore the default polarity of the OPRXLOS signal and 9351 * this signal will then correctly indicate the presence or 9352 * absence of the Rx signal. (bit 9) 9353 */ 9354 mod_abs |= (1<<8); 9355 if (!(phy->flags & FLAGS_NOC)) 9356 mod_abs |= (1<<9); 9357 bnx2x_cl45_write(bp, phy, 9358 MDIO_PMA_DEVAD, 9359 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs); 9360 9361 /* Clear RX alarm since it stays up as long as the mod_abs 9362 * wasn't changed. This is need to be done before calling the 9363 * module detection, otherwise it will clear* the link update 9364 * alarm 9365 */ 9366 bnx2x_cl45_read(bp, phy, 9367 MDIO_PMA_DEVAD, 9368 MDIO_PMA_LASI_RXSTAT, &rx_alarm_status); 9369 9370 9371 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) == 9372 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER) 9373 bnx2x_sfp_set_transmitter(params, phy, 0); 9374 9375 if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0) 9376 bnx2x_sfp_module_detection(phy, params); 9377 else 9378 DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n"); 9379 9380 /* Reconfigure link speed based on module type limitations */ 9381 bnx2x_8727_config_speed(phy, params); 9382 } 9383 9384 DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", 9385 rx_alarm_status); 9386 /* No need to check link status in case of module plugged in/out */ 9387 } 9388 9389 static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy, 9390 struct link_params *params, 9391 struct link_vars *vars) 9392 9393 { 9394 struct bnx2x *bp = params->bp; 9395 u8 link_up = 0, oc_port = params->port; 9396 u16 link_status = 0; 9397 u16 rx_alarm_status, lasi_ctrl, val1; 9398 9399 /* If PHY is not initialized, do not check link status */ 9400 bnx2x_cl45_read(bp, phy, 9401 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 9402 &lasi_ctrl); 9403 if (!lasi_ctrl) 9404 return 0; 9405 9406 /* Check the LASI on Rx */ 9407 bnx2x_cl45_read(bp, phy, 9408 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, 9409 &rx_alarm_status); 9410 vars->line_speed = 0; 9411 DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status); 9412 9413 bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT, 9414 MDIO_PMA_LASI_TXCTRL); 9415 9416 bnx2x_cl45_read(bp, phy, 9417 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1); 9418 9419 DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1); 9420 9421 /* Clear MSG-OUT */ 9422 bnx2x_cl45_read(bp, phy, 9423 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1); 9424 9425 /* If a module is present and there is need to check 9426 * for over current 9427 */ 9428 if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) { 9429 /* Check over-current using 8727 GPIO0 input*/ 9430 bnx2x_cl45_read(bp, phy, 9431 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL, 9432 &val1); 9433 9434 if ((val1 & (1<<8)) == 0) { 9435 if (!CHIP_IS_E1x(bp)) 9436 oc_port = BP_PATH(bp) + (params->port << 1); 9437 DP(NETIF_MSG_LINK, 9438 "8727 Power fault has been detected on port %d\n", 9439 oc_port); 9440 netdev_err(bp->dev, "Error: Power fault on Port %d has " 9441 "been detected and the power to " 9442 "that SFP+ module has been removed " 9443 "to prevent failure of the card. " 9444 "Please remove the SFP+ module and " 9445 "restart the system to clear this " 9446 "error.\n", 9447 oc_port); 9448 /* Disable all RX_ALARMs except for mod_abs */ 9449 bnx2x_cl45_write(bp, phy, 9450 MDIO_PMA_DEVAD, 9451 MDIO_PMA_LASI_RXCTRL, (1<<5)); 9452 9453 bnx2x_cl45_read(bp, phy, 9454 MDIO_PMA_DEVAD, 9455 MDIO_PMA_REG_PHY_IDENTIFIER, &val1); 9456 /* Wait for module_absent_event */ 9457 val1 |= (1<<8); 9458 bnx2x_cl45_write(bp, phy, 9459 MDIO_PMA_DEVAD, 9460 MDIO_PMA_REG_PHY_IDENTIFIER, val1); 9461 /* Clear RX alarm */ 9462 bnx2x_cl45_read(bp, phy, 9463 MDIO_PMA_DEVAD, 9464 MDIO_PMA_LASI_RXSTAT, &rx_alarm_status); 9465 bnx2x_8727_power_module(params->bp, phy, 0); 9466 return 0; 9467 } 9468 } /* Over current check */ 9469 9470 /* When module absent bit is set, check module */ 9471 if (rx_alarm_status & (1<<5)) { 9472 bnx2x_8727_handle_mod_abs(phy, params); 9473 /* Enable all mod_abs and link detection bits */ 9474 bnx2x_cl45_write(bp, phy, 9475 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, 9476 ((1<<5) | (1<<2))); 9477 } 9478 9479 if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) { 9480 DP(NETIF_MSG_LINK, "Enabling 8727 TX laser\n"); 9481 bnx2x_sfp_set_transmitter(params, phy, 1); 9482 } else { 9483 DP(NETIF_MSG_LINK, "Tx is disabled\n"); 9484 return 0; 9485 } 9486 9487 bnx2x_cl45_read(bp, phy, 9488 MDIO_PMA_DEVAD, 9489 MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status); 9490 9491 /* Bits 0..2 --> speed detected, 9492 * Bits 13..15--> link is down 9493 */ 9494 if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) { 9495 link_up = 1; 9496 vars->line_speed = SPEED_10000; 9497 DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n", 9498 params->port); 9499 } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) { 9500 link_up = 1; 9501 vars->line_speed = SPEED_1000; 9502 DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n", 9503 params->port); 9504 } else { 9505 link_up = 0; 9506 DP(NETIF_MSG_LINK, "port %x: External link is down\n", 9507 params->port); 9508 } 9509 9510 /* Capture 10G link fault. */ 9511 if (vars->line_speed == SPEED_10000) { 9512 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 9513 MDIO_PMA_LASI_TXSTAT, &val1); 9514 9515 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 9516 MDIO_PMA_LASI_TXSTAT, &val1); 9517 9518 if (val1 & (1<<0)) { 9519 vars->fault_detected = 1; 9520 } 9521 } 9522 9523 if (link_up) { 9524 bnx2x_ext_phy_resolve_fc(phy, params, vars); 9525 vars->duplex = DUPLEX_FULL; 9526 DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex); 9527 } 9528 9529 if ((DUAL_MEDIA(params)) && 9530 (phy->req_line_speed == SPEED_1000)) { 9531 bnx2x_cl45_read(bp, phy, 9532 MDIO_PMA_DEVAD, 9533 MDIO_PMA_REG_8727_PCS_GP, &val1); 9534 /* In case of dual-media board and 1G, power up the XAUI side, 9535 * otherwise power it down. For 10G it is done automatically 9536 */ 9537 if (link_up) 9538 val1 &= ~(3<<10); 9539 else 9540 val1 |= (3<<10); 9541 bnx2x_cl45_write(bp, phy, 9542 MDIO_PMA_DEVAD, 9543 MDIO_PMA_REG_8727_PCS_GP, val1); 9544 } 9545 return link_up; 9546 } 9547 9548 static void bnx2x_8727_link_reset(struct bnx2x_phy *phy, 9549 struct link_params *params) 9550 { 9551 struct bnx2x *bp = params->bp; 9552 9553 /* Enable/Disable PHY transmitter output */ 9554 bnx2x_set_disable_pmd_transmit(params, phy, 1); 9555 9556 /* Disable Transmitter */ 9557 bnx2x_sfp_set_transmitter(params, phy, 0); 9558 /* Clear LASI */ 9559 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0); 9560 9561 } 9562 9563 /******************************************************************/ 9564 /* BCM8481/BCM84823/BCM84833 PHY SECTION */ 9565 /******************************************************************/ 9566 static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy, 9567 struct bnx2x *bp, 9568 u8 port) 9569 { 9570 u16 val, fw_ver2, cnt, i; 9571 static struct bnx2x_reg_set reg_set[] = { 9572 {MDIO_PMA_DEVAD, 0xA819, 0x0014}, 9573 {MDIO_PMA_DEVAD, 0xA81A, 0xc200}, 9574 {MDIO_PMA_DEVAD, 0xA81B, 0x0000}, 9575 {MDIO_PMA_DEVAD, 0xA81C, 0x0300}, 9576 {MDIO_PMA_DEVAD, 0xA817, 0x0009} 9577 }; 9578 u16 fw_ver1; 9579 9580 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) || 9581 (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) { 9582 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1); 9583 bnx2x_save_spirom_version(bp, port, fw_ver1 & 0xfff, 9584 phy->ver_addr); 9585 } else { 9586 /* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */ 9587 /* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */ 9588 for (i = 0; i < ARRAY_SIZE(reg_set); i++) 9589 bnx2x_cl45_write(bp, phy, reg_set[i].devad, 9590 reg_set[i].reg, reg_set[i].val); 9591 9592 for (cnt = 0; cnt < 100; cnt++) { 9593 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val); 9594 if (val & 1) 9595 break; 9596 udelay(5); 9597 } 9598 if (cnt == 100) { 9599 DP(NETIF_MSG_LINK, "Unable to read 848xx " 9600 "phy fw version(1)\n"); 9601 bnx2x_save_spirom_version(bp, port, 0, 9602 phy->ver_addr); 9603 return; 9604 } 9605 9606 9607 /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */ 9608 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000); 9609 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200); 9610 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A); 9611 for (cnt = 0; cnt < 100; cnt++) { 9612 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val); 9613 if (val & 1) 9614 break; 9615 udelay(5); 9616 } 9617 if (cnt == 100) { 9618 DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw " 9619 "version(2)\n"); 9620 bnx2x_save_spirom_version(bp, port, 0, 9621 phy->ver_addr); 9622 return; 9623 } 9624 9625 /* lower 16 bits of the register SPI_FW_STATUS */ 9626 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1); 9627 /* upper 16 bits of register SPI_FW_STATUS */ 9628 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2); 9629 9630 bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1, 9631 phy->ver_addr); 9632 } 9633 9634 } 9635 static void bnx2x_848xx_set_led(struct bnx2x *bp, 9636 struct bnx2x_phy *phy) 9637 { 9638 u16 val, offset, i; 9639 static struct bnx2x_reg_set reg_set[] = { 9640 {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED1_MASK, 0x0080}, 9641 {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED2_MASK, 0x0018}, 9642 {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_MASK, 0x0006}, 9643 {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_BLINK, 0x0000}, 9644 {MDIO_PMA_DEVAD, MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH, 9645 MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ}, 9646 {MDIO_AN_DEVAD, 0xFFFB, 0xFFFD} 9647 }; 9648 /* PHYC_CTL_LED_CTL */ 9649 bnx2x_cl45_read(bp, phy, 9650 MDIO_PMA_DEVAD, 9651 MDIO_PMA_REG_8481_LINK_SIGNAL, &val); 9652 val &= 0xFE00; 9653 val |= 0x0092; 9654 9655 bnx2x_cl45_write(bp, phy, 9656 MDIO_PMA_DEVAD, 9657 MDIO_PMA_REG_8481_LINK_SIGNAL, val); 9658 9659 for (i = 0; i < ARRAY_SIZE(reg_set); i++) 9660 bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg, 9661 reg_set[i].val); 9662 9663 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) || 9664 (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) 9665 offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1; 9666 else 9667 offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1; 9668 9669 /* stretch_en for LED3*/ 9670 bnx2x_cl45_read_or_write(bp, phy, 9671 MDIO_PMA_DEVAD, offset, 9672 MDIO_PMA_REG_84823_LED3_STRETCH_EN); 9673 } 9674 9675 static void bnx2x_848xx_specific_func(struct bnx2x_phy *phy, 9676 struct link_params *params, 9677 u32 action) 9678 { 9679 struct bnx2x *bp = params->bp; 9680 switch (action) { 9681 case PHY_INIT: 9682 if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) && 9683 (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) { 9684 /* Save spirom version */ 9685 bnx2x_save_848xx_spirom_version(phy, bp, params->port); 9686 } 9687 /* This phy uses the NIG latch mechanism since link indication 9688 * arrives through its LED4 and not via its LASI signal, so we 9689 * get steady signal instead of clear on read 9690 */ 9691 bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4, 9692 1 << NIG_LATCH_BC_ENABLE_MI_INT); 9693 9694 bnx2x_848xx_set_led(bp, phy); 9695 break; 9696 } 9697 } 9698 9699 static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy, 9700 struct link_params *params, 9701 struct link_vars *vars) 9702 { 9703 struct bnx2x *bp = params->bp; 9704 u16 autoneg_val, an_1000_val, an_10_100_val; 9705 9706 bnx2x_848xx_specific_func(phy, params, PHY_INIT); 9707 bnx2x_cl45_write(bp, phy, 9708 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000); 9709 9710 /* set 1000 speed advertisement */ 9711 bnx2x_cl45_read(bp, phy, 9712 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL, 9713 &an_1000_val); 9714 9715 bnx2x_ext_phy_set_pause(params, phy, vars); 9716 bnx2x_cl45_read(bp, phy, 9717 MDIO_AN_DEVAD, 9718 MDIO_AN_REG_8481_LEGACY_AN_ADV, 9719 &an_10_100_val); 9720 bnx2x_cl45_read(bp, phy, 9721 MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL, 9722 &autoneg_val); 9723 /* Disable forced speed */ 9724 autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13)); 9725 an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8)); 9726 9727 if (((phy->req_line_speed == SPEED_AUTO_NEG) && 9728 (phy->speed_cap_mask & 9729 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) || 9730 (phy->req_line_speed == SPEED_1000)) { 9731 an_1000_val |= (1<<8); 9732 autoneg_val |= (1<<9 | 1<<12); 9733 if (phy->req_duplex == DUPLEX_FULL) 9734 an_1000_val |= (1<<9); 9735 DP(NETIF_MSG_LINK, "Advertising 1G\n"); 9736 } else 9737 an_1000_val &= ~((1<<8) | (1<<9)); 9738 9739 bnx2x_cl45_write(bp, phy, 9740 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL, 9741 an_1000_val); 9742 9743 /* Set 10/100 speed advertisement */ 9744 if (phy->req_line_speed == SPEED_AUTO_NEG) { 9745 if (phy->speed_cap_mask & 9746 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL) { 9747 /* Enable autoneg and restart autoneg for legacy speeds 9748 */ 9749 autoneg_val |= (1<<9 | 1<<12); 9750 an_10_100_val |= (1<<8); 9751 DP(NETIF_MSG_LINK, "Advertising 100M-FD\n"); 9752 } 9753 9754 if (phy->speed_cap_mask & 9755 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF) { 9756 /* Enable autoneg and restart autoneg for legacy speeds 9757 */ 9758 autoneg_val |= (1<<9 | 1<<12); 9759 an_10_100_val |= (1<<7); 9760 DP(NETIF_MSG_LINK, "Advertising 100M-HD\n"); 9761 } 9762 9763 if ((phy->speed_cap_mask & 9764 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) && 9765 (phy->supported & SUPPORTED_10baseT_Full)) { 9766 an_10_100_val |= (1<<6); 9767 autoneg_val |= (1<<9 | 1<<12); 9768 DP(NETIF_MSG_LINK, "Advertising 10M-FD\n"); 9769 } 9770 9771 if ((phy->speed_cap_mask & 9772 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF) && 9773 (phy->supported & SUPPORTED_10baseT_Half)) { 9774 an_10_100_val |= (1<<5); 9775 autoneg_val |= (1<<9 | 1<<12); 9776 DP(NETIF_MSG_LINK, "Advertising 10M-HD\n"); 9777 } 9778 } 9779 9780 /* Only 10/100 are allowed to work in FORCE mode */ 9781 if ((phy->req_line_speed == SPEED_100) && 9782 (phy->supported & 9783 (SUPPORTED_100baseT_Half | 9784 SUPPORTED_100baseT_Full))) { 9785 autoneg_val |= (1<<13); 9786 /* Enabled AUTO-MDIX when autoneg is disabled */ 9787 bnx2x_cl45_write(bp, phy, 9788 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL, 9789 (1<<15 | 1<<9 | 7<<0)); 9790 /* The PHY needs this set even for forced link. */ 9791 an_10_100_val |= (1<<8) | (1<<7); 9792 DP(NETIF_MSG_LINK, "Setting 100M force\n"); 9793 } 9794 if ((phy->req_line_speed == SPEED_10) && 9795 (phy->supported & 9796 (SUPPORTED_10baseT_Half | 9797 SUPPORTED_10baseT_Full))) { 9798 /* Enabled AUTO-MDIX when autoneg is disabled */ 9799 bnx2x_cl45_write(bp, phy, 9800 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL, 9801 (1<<15 | 1<<9 | 7<<0)); 9802 DP(NETIF_MSG_LINK, "Setting 10M force\n"); 9803 } 9804 9805 bnx2x_cl45_write(bp, phy, 9806 MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV, 9807 an_10_100_val); 9808 9809 if (phy->req_duplex == DUPLEX_FULL) 9810 autoneg_val |= (1<<8); 9811 9812 /* Always write this if this is not 84833/4. 9813 * For 84833/4, write it only when it's a forced speed. 9814 */ 9815 if (((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) && 9816 (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) || 9817 ((autoneg_val & (1<<12)) == 0)) 9818 bnx2x_cl45_write(bp, phy, 9819 MDIO_AN_DEVAD, 9820 MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val); 9821 9822 if (((phy->req_line_speed == SPEED_AUTO_NEG) && 9823 (phy->speed_cap_mask & 9824 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) || 9825 (phy->req_line_speed == SPEED_10000)) { 9826 DP(NETIF_MSG_LINK, "Advertising 10G\n"); 9827 /* Restart autoneg for 10G*/ 9828 9829 bnx2x_cl45_read_or_write( 9830 bp, phy, 9831 MDIO_AN_DEVAD, 9832 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL, 9833 0x1000); 9834 bnx2x_cl45_write(bp, phy, 9835 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 9836 0x3200); 9837 } else 9838 bnx2x_cl45_write(bp, phy, 9839 MDIO_AN_DEVAD, 9840 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL, 9841 1); 9842 9843 return 0; 9844 } 9845 9846 static int bnx2x_8481_config_init(struct bnx2x_phy *phy, 9847 struct link_params *params, 9848 struct link_vars *vars) 9849 { 9850 struct bnx2x *bp = params->bp; 9851 /* Restore normal power mode*/ 9852 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, 9853 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port); 9854 9855 /* HW reset */ 9856 bnx2x_ext_phy_hw_reset(bp, params->port); 9857 bnx2x_wait_reset_complete(bp, phy, params); 9858 9859 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15); 9860 return bnx2x_848xx_cmn_config_init(phy, params, vars); 9861 } 9862 9863 #define PHY84833_CMDHDLR_WAIT 300 9864 #define PHY84833_CMDHDLR_MAX_ARGS 5 9865 static int bnx2x_84833_cmd_hdlr(struct bnx2x_phy *phy, 9866 struct link_params *params, u16 fw_cmd, 9867 u16 cmd_args[], int argc) 9868 { 9869 int idx; 9870 u16 val; 9871 struct bnx2x *bp = params->bp; 9872 /* Write CMD_OPEN_OVERRIDE to STATUS reg */ 9873 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD, 9874 MDIO_84833_CMD_HDLR_STATUS, 9875 PHY84833_STATUS_CMD_OPEN_OVERRIDE); 9876 for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) { 9877 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 9878 MDIO_84833_CMD_HDLR_STATUS, &val); 9879 if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS) 9880 break; 9881 usleep_range(1000, 2000); 9882 } 9883 if (idx >= PHY84833_CMDHDLR_WAIT) { 9884 DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n"); 9885 return -EINVAL; 9886 } 9887 9888 /* Prepare argument(s) and issue command */ 9889 for (idx = 0; idx < argc; idx++) { 9890 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD, 9891 MDIO_84833_CMD_HDLR_DATA1 + idx, 9892 cmd_args[idx]); 9893 } 9894 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD, 9895 MDIO_84833_CMD_HDLR_COMMAND, fw_cmd); 9896 for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) { 9897 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 9898 MDIO_84833_CMD_HDLR_STATUS, &val); 9899 if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) || 9900 (val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) 9901 break; 9902 usleep_range(1000, 2000); 9903 } 9904 if ((idx >= PHY84833_CMDHDLR_WAIT) || 9905 (val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) { 9906 DP(NETIF_MSG_LINK, "FW cmd failed.\n"); 9907 return -EINVAL; 9908 } 9909 /* Gather returning data */ 9910 for (idx = 0; idx < argc; idx++) { 9911 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 9912 MDIO_84833_CMD_HDLR_DATA1 + idx, 9913 &cmd_args[idx]); 9914 } 9915 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD, 9916 MDIO_84833_CMD_HDLR_STATUS, 9917 PHY84833_STATUS_CMD_CLEAR_COMPLETE); 9918 return 0; 9919 } 9920 9921 static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy, 9922 struct link_params *params, 9923 struct link_vars *vars) 9924 { 9925 u32 pair_swap; 9926 u16 data[PHY84833_CMDHDLR_MAX_ARGS]; 9927 int status; 9928 struct bnx2x *bp = params->bp; 9929 9930 /* Check for configuration. */ 9931 pair_swap = REG_RD(bp, params->shmem_base + 9932 offsetof(struct shmem_region, 9933 dev_info.port_hw_config[params->port].xgbt_phy_cfg)) & 9934 PORT_HW_CFG_RJ45_PAIR_SWAP_MASK; 9935 9936 if (pair_swap == 0) 9937 return 0; 9938 9939 /* Only the second argument is used for this command */ 9940 data[1] = (u16)pair_swap; 9941 9942 status = bnx2x_84833_cmd_hdlr(phy, params, 9943 PHY84833_CMD_SET_PAIR_SWAP, data, PHY84833_CMDHDLR_MAX_ARGS); 9944 if (status == 0) 9945 DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data[1]); 9946 9947 return status; 9948 } 9949 9950 static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp, 9951 u32 shmem_base_path[], 9952 u32 chip_id) 9953 { 9954 u32 reset_pin[2]; 9955 u32 idx; 9956 u8 reset_gpios; 9957 if (CHIP_IS_E3(bp)) { 9958 /* Assume that these will be GPIOs, not EPIOs. */ 9959 for (idx = 0; idx < 2; idx++) { 9960 /* Map config param to register bit. */ 9961 reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] + 9962 offsetof(struct shmem_region, 9963 dev_info.port_hw_config[0].e3_cmn_pin_cfg)); 9964 reset_pin[idx] = (reset_pin[idx] & 9965 PORT_HW_CFG_E3_PHY_RESET_MASK) >> 9966 PORT_HW_CFG_E3_PHY_RESET_SHIFT; 9967 reset_pin[idx] -= PIN_CFG_GPIO0_P0; 9968 reset_pin[idx] = (1 << reset_pin[idx]); 9969 } 9970 reset_gpios = (u8)(reset_pin[0] | reset_pin[1]); 9971 } else { 9972 /* E2, look from diff place of shmem. */ 9973 for (idx = 0; idx < 2; idx++) { 9974 reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] + 9975 offsetof(struct shmem_region, 9976 dev_info.port_hw_config[0].default_cfg)); 9977 reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK; 9978 reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0; 9979 reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT; 9980 reset_pin[idx] = (1 << reset_pin[idx]); 9981 } 9982 reset_gpios = (u8)(reset_pin[0] | reset_pin[1]); 9983 } 9984 9985 return reset_gpios; 9986 } 9987 9988 static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy, 9989 struct link_params *params) 9990 { 9991 struct bnx2x *bp = params->bp; 9992 u8 reset_gpios; 9993 u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base + 9994 offsetof(struct shmem2_region, 9995 other_shmem_base_addr)); 9996 9997 u32 shmem_base_path[2]; 9998 9999 /* Work around for 84833 LED failure inside RESET status */ 10000 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, 10001 MDIO_AN_REG_8481_LEGACY_MII_CTRL, 10002 MDIO_AN_REG_8481_MII_CTRL_FORCE_1G); 10003 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, 10004 MDIO_AN_REG_8481_1G_100T_EXT_CTRL, 10005 MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF); 10006 10007 shmem_base_path[0] = params->shmem_base; 10008 shmem_base_path[1] = other_shmem_base_addr; 10009 10010 reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, 10011 params->chip_id); 10012 10013 bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW); 10014 udelay(10); 10015 DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n", 10016 reset_gpios); 10017 10018 return 0; 10019 } 10020 10021 static int bnx2x_8483x_disable_eee(struct bnx2x_phy *phy, 10022 struct link_params *params, 10023 struct link_vars *vars) 10024 { 10025 int rc; 10026 struct bnx2x *bp = params->bp; 10027 u16 cmd_args = 0; 10028 10029 DP(NETIF_MSG_LINK, "Don't Advertise 10GBase-T EEE\n"); 10030 10031 /* Prevent Phy from working in EEE and advertising it */ 10032 rc = bnx2x_84833_cmd_hdlr(phy, params, 10033 PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1); 10034 if (rc) { 10035 DP(NETIF_MSG_LINK, "EEE disable failed.\n"); 10036 return rc; 10037 } 10038 10039 return bnx2x_eee_disable(phy, params, vars); 10040 } 10041 10042 static int bnx2x_8483x_enable_eee(struct bnx2x_phy *phy, 10043 struct link_params *params, 10044 struct link_vars *vars) 10045 { 10046 int rc; 10047 struct bnx2x *bp = params->bp; 10048 u16 cmd_args = 1; 10049 10050 rc = bnx2x_84833_cmd_hdlr(phy, params, 10051 PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1); 10052 if (rc) { 10053 DP(NETIF_MSG_LINK, "EEE enable failed.\n"); 10054 return rc; 10055 } 10056 10057 return bnx2x_eee_advertise(phy, params, vars, SHMEM_EEE_10G_ADV); 10058 } 10059 10060 #define PHY84833_CONSTANT_LATENCY 1193 10061 static int bnx2x_848x3_config_init(struct bnx2x_phy *phy, 10062 struct link_params *params, 10063 struct link_vars *vars) 10064 { 10065 struct bnx2x *bp = params->bp; 10066 u8 port, initialize = 1; 10067 u16 val; 10068 u32 actual_phy_selection; 10069 u16 cmd_args[PHY84833_CMDHDLR_MAX_ARGS]; 10070 int rc = 0; 10071 10072 usleep_range(1000, 2000); 10073 10074 if (!(CHIP_IS_E1x(bp))) 10075 port = BP_PATH(bp); 10076 else 10077 port = params->port; 10078 10079 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) { 10080 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3, 10081 MISC_REGISTERS_GPIO_OUTPUT_HIGH, 10082 port); 10083 } else { 10084 /* MDIO reset */ 10085 bnx2x_cl45_write(bp, phy, 10086 MDIO_PMA_DEVAD, 10087 MDIO_PMA_REG_CTRL, 0x8000); 10088 } 10089 10090 bnx2x_wait_reset_complete(bp, phy, params); 10091 10092 /* Wait for GPHY to come out of reset */ 10093 msleep(50); 10094 if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) && 10095 (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) { 10096 /* BCM84823 requires that XGXS links up first @ 10G for normal 10097 * behavior. 10098 */ 10099 u16 temp; 10100 temp = vars->line_speed; 10101 vars->line_speed = SPEED_10000; 10102 bnx2x_set_autoneg(¶ms->phy[INT_PHY], params, vars, 0); 10103 bnx2x_program_serdes(¶ms->phy[INT_PHY], params, vars); 10104 vars->line_speed = temp; 10105 } 10106 10107 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 10108 MDIO_CTL_REG_84823_MEDIA, &val); 10109 val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK | 10110 MDIO_CTL_REG_84823_MEDIA_LINE_MASK | 10111 MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN | 10112 MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK | 10113 MDIO_CTL_REG_84823_MEDIA_FIBER_1G); 10114 10115 if (CHIP_IS_E3(bp)) { 10116 val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK | 10117 MDIO_CTL_REG_84823_MEDIA_LINE_MASK); 10118 } else { 10119 val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI | 10120 MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L); 10121 } 10122 10123 actual_phy_selection = bnx2x_phy_selection(params); 10124 10125 switch (actual_phy_selection) { 10126 case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT: 10127 /* Do nothing. Essentially this is like the priority copper */ 10128 break; 10129 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY: 10130 val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER; 10131 break; 10132 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY: 10133 val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER; 10134 break; 10135 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY: 10136 /* Do nothing here. The first PHY won't be initialized at all */ 10137 break; 10138 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY: 10139 val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN; 10140 initialize = 0; 10141 break; 10142 } 10143 if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000) 10144 val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G; 10145 10146 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD, 10147 MDIO_CTL_REG_84823_MEDIA, val); 10148 DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n", 10149 params->multi_phy_config, val); 10150 10151 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) || 10152 (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) { 10153 bnx2x_84833_pair_swap_cfg(phy, params, vars); 10154 10155 /* Keep AutogrEEEn disabled. */ 10156 cmd_args[0] = 0x0; 10157 cmd_args[1] = 0x0; 10158 cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1; 10159 cmd_args[3] = PHY84833_CONSTANT_LATENCY; 10160 rc = bnx2x_84833_cmd_hdlr(phy, params, 10161 PHY84833_CMD_SET_EEE_MODE, cmd_args, 10162 PHY84833_CMDHDLR_MAX_ARGS); 10163 if (rc) 10164 DP(NETIF_MSG_LINK, "Cfg AutogrEEEn failed.\n"); 10165 } 10166 if (initialize) 10167 rc = bnx2x_848xx_cmn_config_init(phy, params, vars); 10168 else 10169 bnx2x_save_848xx_spirom_version(phy, bp, params->port); 10170 /* 84833 PHY has a better feature and doesn't need to support this. */ 10171 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) { 10172 u32 cms_enable = REG_RD(bp, params->shmem_base + 10173 offsetof(struct shmem_region, 10174 dev_info.port_hw_config[params->port].default_cfg)) & 10175 PORT_HW_CFG_ENABLE_CMS_MASK; 10176 10177 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 10178 MDIO_CTL_REG_84823_USER_CTRL_REG, &val); 10179 if (cms_enable) 10180 val |= MDIO_CTL_REG_84823_USER_CTRL_CMS; 10181 else 10182 val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS; 10183 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD, 10184 MDIO_CTL_REG_84823_USER_CTRL_REG, val); 10185 } 10186 10187 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 10188 MDIO_84833_TOP_CFG_FW_REV, &val); 10189 10190 /* Configure EEE support */ 10191 if ((val >= MDIO_84833_TOP_CFG_FW_EEE) && 10192 (val != MDIO_84833_TOP_CFG_FW_NO_EEE) && 10193 bnx2x_eee_has_cap(params)) { 10194 rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_10G_ADV); 10195 if (rc) { 10196 DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n"); 10197 bnx2x_8483x_disable_eee(phy, params, vars); 10198 return rc; 10199 } 10200 10201 if ((phy->req_duplex == DUPLEX_FULL) && 10202 (params->eee_mode & EEE_MODE_ADV_LPI) && 10203 (bnx2x_eee_calc_timer(params) || 10204 !(params->eee_mode & EEE_MODE_ENABLE_LPI))) 10205 rc = bnx2x_8483x_enable_eee(phy, params, vars); 10206 else 10207 rc = bnx2x_8483x_disable_eee(phy, params, vars); 10208 if (rc) { 10209 DP(NETIF_MSG_LINK, "Failed to set EEE advertisement\n"); 10210 return rc; 10211 } 10212 } else { 10213 vars->eee_status &= ~SHMEM_EEE_SUPPORTED_MASK; 10214 } 10215 10216 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) || 10217 (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) { 10218 /* Bring PHY out of super isolate mode as the final step. */ 10219 bnx2x_cl45_read_and_write(bp, phy, 10220 MDIO_CTL_DEVAD, 10221 MDIO_84833_TOP_CFG_XGPHY_STRAP1, 10222 (u16)~MDIO_84833_SUPER_ISOLATE); 10223 } 10224 return rc; 10225 } 10226 10227 static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy, 10228 struct link_params *params, 10229 struct link_vars *vars) 10230 { 10231 struct bnx2x *bp = params->bp; 10232 u16 val, val1, val2; 10233 u8 link_up = 0; 10234 10235 10236 /* Check 10G-BaseT link status */ 10237 /* Check PMD signal ok */ 10238 bnx2x_cl45_read(bp, phy, 10239 MDIO_AN_DEVAD, 0xFFFA, &val1); 10240 bnx2x_cl45_read(bp, phy, 10241 MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL, 10242 &val2); 10243 DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2); 10244 10245 /* Check link 10G */ 10246 if (val2 & (1<<11)) { 10247 vars->line_speed = SPEED_10000; 10248 vars->duplex = DUPLEX_FULL; 10249 link_up = 1; 10250 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars); 10251 } else { /* Check Legacy speed link */ 10252 u16 legacy_status, legacy_speed; 10253 10254 /* Enable expansion register 0x42 (Operation mode status) */ 10255 bnx2x_cl45_write(bp, phy, 10256 MDIO_AN_DEVAD, 10257 MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42); 10258 10259 /* Get legacy speed operation status */ 10260 bnx2x_cl45_read(bp, phy, 10261 MDIO_AN_DEVAD, 10262 MDIO_AN_REG_8481_EXPANSION_REG_RD_RW, 10263 &legacy_status); 10264 10265 DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n", 10266 legacy_status); 10267 link_up = ((legacy_status & (1<<11)) == (1<<11)); 10268 legacy_speed = (legacy_status & (3<<9)); 10269 if (legacy_speed == (0<<9)) 10270 vars->line_speed = SPEED_10; 10271 else if (legacy_speed == (1<<9)) 10272 vars->line_speed = SPEED_100; 10273 else if (legacy_speed == (2<<9)) 10274 vars->line_speed = SPEED_1000; 10275 else { /* Should not happen: Treat as link down */ 10276 vars->line_speed = 0; 10277 link_up = 0; 10278 } 10279 10280 if (link_up) { 10281 if (legacy_status & (1<<8)) 10282 vars->duplex = DUPLEX_FULL; 10283 else 10284 vars->duplex = DUPLEX_HALF; 10285 10286 DP(NETIF_MSG_LINK, 10287 "Link is up in %dMbps, is_duplex_full= %d\n", 10288 vars->line_speed, 10289 (vars->duplex == DUPLEX_FULL)); 10290 /* Check legacy speed AN resolution */ 10291 bnx2x_cl45_read(bp, phy, 10292 MDIO_AN_DEVAD, 10293 MDIO_AN_REG_8481_LEGACY_MII_STATUS, 10294 &val); 10295 if (val & (1<<5)) 10296 vars->link_status |= 10297 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE; 10298 bnx2x_cl45_read(bp, phy, 10299 MDIO_AN_DEVAD, 10300 MDIO_AN_REG_8481_LEGACY_AN_EXPANSION, 10301 &val); 10302 if ((val & (1<<0)) == 0) 10303 vars->link_status |= 10304 LINK_STATUS_PARALLEL_DETECTION_USED; 10305 } 10306 } 10307 if (link_up) { 10308 DP(NETIF_MSG_LINK, "BCM848x3: link speed is %d\n", 10309 vars->line_speed); 10310 bnx2x_ext_phy_resolve_fc(phy, params, vars); 10311 10312 /* Read LP advertised speeds */ 10313 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, 10314 MDIO_AN_REG_CL37_FC_LP, &val); 10315 if (val & (1<<5)) 10316 vars->link_status |= 10317 LINK_STATUS_LINK_PARTNER_10THD_CAPABLE; 10318 if (val & (1<<6)) 10319 vars->link_status |= 10320 LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE; 10321 if (val & (1<<7)) 10322 vars->link_status |= 10323 LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE; 10324 if (val & (1<<8)) 10325 vars->link_status |= 10326 LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE; 10327 if (val & (1<<9)) 10328 vars->link_status |= 10329 LINK_STATUS_LINK_PARTNER_100T4_CAPABLE; 10330 10331 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, 10332 MDIO_AN_REG_1000T_STATUS, &val); 10333 10334 if (val & (1<<10)) 10335 vars->link_status |= 10336 LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE; 10337 if (val & (1<<11)) 10338 vars->link_status |= 10339 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE; 10340 10341 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, 10342 MDIO_AN_REG_MASTER_STATUS, &val); 10343 10344 if (val & (1<<11)) 10345 vars->link_status |= 10346 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE; 10347 10348 /* Determine if EEE was negotiated */ 10349 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) || 10350 (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) 10351 bnx2x_eee_an_resolve(phy, params, vars); 10352 } 10353 10354 return link_up; 10355 } 10356 10357 static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len) 10358 { 10359 int status = 0; 10360 u32 spirom_ver; 10361 spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F); 10362 status = bnx2x_format_ver(spirom_ver, str, len); 10363 return status; 10364 } 10365 10366 static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy, 10367 struct link_params *params) 10368 { 10369 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1, 10370 MISC_REGISTERS_GPIO_OUTPUT_LOW, 0); 10371 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1, 10372 MISC_REGISTERS_GPIO_OUTPUT_LOW, 1); 10373 } 10374 10375 static void bnx2x_8481_link_reset(struct bnx2x_phy *phy, 10376 struct link_params *params) 10377 { 10378 bnx2x_cl45_write(params->bp, phy, 10379 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000); 10380 bnx2x_cl45_write(params->bp, phy, 10381 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1); 10382 } 10383 10384 static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy, 10385 struct link_params *params) 10386 { 10387 struct bnx2x *bp = params->bp; 10388 u8 port; 10389 u16 val16; 10390 10391 if (!(CHIP_IS_E1x(bp))) 10392 port = BP_PATH(bp); 10393 else 10394 port = params->port; 10395 10396 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) { 10397 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3, 10398 MISC_REGISTERS_GPIO_OUTPUT_LOW, 10399 port); 10400 } else { 10401 bnx2x_cl45_read(bp, phy, 10402 MDIO_CTL_DEVAD, 10403 MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16); 10404 val16 |= MDIO_84833_SUPER_ISOLATE; 10405 bnx2x_cl45_write(bp, phy, 10406 MDIO_CTL_DEVAD, 10407 MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16); 10408 } 10409 } 10410 10411 static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy, 10412 struct link_params *params, u8 mode) 10413 { 10414 struct bnx2x *bp = params->bp; 10415 u16 val; 10416 u8 port; 10417 10418 if (!(CHIP_IS_E1x(bp))) 10419 port = BP_PATH(bp); 10420 else 10421 port = params->port; 10422 10423 switch (mode) { 10424 case LED_MODE_OFF: 10425 10426 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port); 10427 10428 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) == 10429 SHARED_HW_CFG_LED_EXTPHY1) { 10430 10431 /* Set LED masks */ 10432 bnx2x_cl45_write(bp, phy, 10433 MDIO_PMA_DEVAD, 10434 MDIO_PMA_REG_8481_LED1_MASK, 10435 0x0); 10436 10437 bnx2x_cl45_write(bp, phy, 10438 MDIO_PMA_DEVAD, 10439 MDIO_PMA_REG_8481_LED2_MASK, 10440 0x0); 10441 10442 bnx2x_cl45_write(bp, phy, 10443 MDIO_PMA_DEVAD, 10444 MDIO_PMA_REG_8481_LED3_MASK, 10445 0x0); 10446 10447 bnx2x_cl45_write(bp, phy, 10448 MDIO_PMA_DEVAD, 10449 MDIO_PMA_REG_8481_LED5_MASK, 10450 0x0); 10451 10452 } else { 10453 bnx2x_cl45_write(bp, phy, 10454 MDIO_PMA_DEVAD, 10455 MDIO_PMA_REG_8481_LED1_MASK, 10456 0x0); 10457 } 10458 break; 10459 case LED_MODE_FRONT_PANEL_OFF: 10460 10461 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n", 10462 port); 10463 10464 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) == 10465 SHARED_HW_CFG_LED_EXTPHY1) { 10466 10467 /* Set LED masks */ 10468 bnx2x_cl45_write(bp, phy, 10469 MDIO_PMA_DEVAD, 10470 MDIO_PMA_REG_8481_LED1_MASK, 10471 0x0); 10472 10473 bnx2x_cl45_write(bp, phy, 10474 MDIO_PMA_DEVAD, 10475 MDIO_PMA_REG_8481_LED2_MASK, 10476 0x0); 10477 10478 bnx2x_cl45_write(bp, phy, 10479 MDIO_PMA_DEVAD, 10480 MDIO_PMA_REG_8481_LED3_MASK, 10481 0x0); 10482 10483 bnx2x_cl45_write(bp, phy, 10484 MDIO_PMA_DEVAD, 10485 MDIO_PMA_REG_8481_LED5_MASK, 10486 0x20); 10487 10488 } else { 10489 bnx2x_cl45_write(bp, phy, 10490 MDIO_PMA_DEVAD, 10491 MDIO_PMA_REG_8481_LED1_MASK, 10492 0x0); 10493 if (phy->type == 10494 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) { 10495 /* Disable MI_INT interrupt before setting LED4 10496 * source to constant off. 10497 */ 10498 if (REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + 10499 params->port*4) & 10500 NIG_MASK_MI_INT) { 10501 params->link_flags |= 10502 LINK_FLAGS_INT_DISABLED; 10503 10504 bnx2x_bits_dis( 10505 bp, 10506 NIG_REG_MASK_INTERRUPT_PORT0 + 10507 params->port*4, 10508 NIG_MASK_MI_INT); 10509 } 10510 bnx2x_cl45_write(bp, phy, 10511 MDIO_PMA_DEVAD, 10512 MDIO_PMA_REG_8481_SIGNAL_MASK, 10513 0x0); 10514 } 10515 } 10516 break; 10517 case LED_MODE_ON: 10518 10519 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port); 10520 10521 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) == 10522 SHARED_HW_CFG_LED_EXTPHY1) { 10523 /* Set control reg */ 10524 bnx2x_cl45_read(bp, phy, 10525 MDIO_PMA_DEVAD, 10526 MDIO_PMA_REG_8481_LINK_SIGNAL, 10527 &val); 10528 val &= 0x8000; 10529 val |= 0x2492; 10530 10531 bnx2x_cl45_write(bp, phy, 10532 MDIO_PMA_DEVAD, 10533 MDIO_PMA_REG_8481_LINK_SIGNAL, 10534 val); 10535 10536 /* Set LED masks */ 10537 bnx2x_cl45_write(bp, phy, 10538 MDIO_PMA_DEVAD, 10539 MDIO_PMA_REG_8481_LED1_MASK, 10540 0x0); 10541 10542 bnx2x_cl45_write(bp, phy, 10543 MDIO_PMA_DEVAD, 10544 MDIO_PMA_REG_8481_LED2_MASK, 10545 0x20); 10546 10547 bnx2x_cl45_write(bp, phy, 10548 MDIO_PMA_DEVAD, 10549 MDIO_PMA_REG_8481_LED3_MASK, 10550 0x20); 10551 10552 bnx2x_cl45_write(bp, phy, 10553 MDIO_PMA_DEVAD, 10554 MDIO_PMA_REG_8481_LED5_MASK, 10555 0x0); 10556 } else { 10557 bnx2x_cl45_write(bp, phy, 10558 MDIO_PMA_DEVAD, 10559 MDIO_PMA_REG_8481_LED1_MASK, 10560 0x20); 10561 if (phy->type == 10562 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) { 10563 /* Disable MI_INT interrupt before setting LED4 10564 * source to constant on. 10565 */ 10566 if (REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + 10567 params->port*4) & 10568 NIG_MASK_MI_INT) { 10569 params->link_flags |= 10570 LINK_FLAGS_INT_DISABLED; 10571 10572 bnx2x_bits_dis( 10573 bp, 10574 NIG_REG_MASK_INTERRUPT_PORT0 + 10575 params->port*4, 10576 NIG_MASK_MI_INT); 10577 } 10578 bnx2x_cl45_write(bp, phy, 10579 MDIO_PMA_DEVAD, 10580 MDIO_PMA_REG_8481_SIGNAL_MASK, 10581 0x20); 10582 } 10583 } 10584 break; 10585 10586 case LED_MODE_OPER: 10587 10588 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port); 10589 10590 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) == 10591 SHARED_HW_CFG_LED_EXTPHY1) { 10592 10593 /* Set control reg */ 10594 bnx2x_cl45_read(bp, phy, 10595 MDIO_PMA_DEVAD, 10596 MDIO_PMA_REG_8481_LINK_SIGNAL, 10597 &val); 10598 10599 if (!((val & 10600 MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK) 10601 >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) { 10602 DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n"); 10603 bnx2x_cl45_write(bp, phy, 10604 MDIO_PMA_DEVAD, 10605 MDIO_PMA_REG_8481_LINK_SIGNAL, 10606 0xa492); 10607 } 10608 10609 /* Set LED masks */ 10610 bnx2x_cl45_write(bp, phy, 10611 MDIO_PMA_DEVAD, 10612 MDIO_PMA_REG_8481_LED1_MASK, 10613 0x10); 10614 10615 bnx2x_cl45_write(bp, phy, 10616 MDIO_PMA_DEVAD, 10617 MDIO_PMA_REG_8481_LED2_MASK, 10618 0x80); 10619 10620 bnx2x_cl45_write(bp, phy, 10621 MDIO_PMA_DEVAD, 10622 MDIO_PMA_REG_8481_LED3_MASK, 10623 0x98); 10624 10625 bnx2x_cl45_write(bp, phy, 10626 MDIO_PMA_DEVAD, 10627 MDIO_PMA_REG_8481_LED5_MASK, 10628 0x40); 10629 10630 } else { 10631 /* EXTPHY2 LED mode indicate that the 100M/1G/10G LED 10632 * sources are all wired through LED1, rather than only 10633 * 10G in other modes. 10634 */ 10635 val = ((params->hw_led_mode << 10636 SHARED_HW_CFG_LED_MODE_SHIFT) == 10637 SHARED_HW_CFG_LED_EXTPHY2) ? 0x98 : 0x80; 10638 10639 bnx2x_cl45_write(bp, phy, 10640 MDIO_PMA_DEVAD, 10641 MDIO_PMA_REG_8481_LED1_MASK, 10642 val); 10643 10644 /* Tell LED3 to blink on source */ 10645 bnx2x_cl45_read(bp, phy, 10646 MDIO_PMA_DEVAD, 10647 MDIO_PMA_REG_8481_LINK_SIGNAL, 10648 &val); 10649 val &= ~(7<<6); 10650 val |= (1<<6); /* A83B[8:6]= 1 */ 10651 bnx2x_cl45_write(bp, phy, 10652 MDIO_PMA_DEVAD, 10653 MDIO_PMA_REG_8481_LINK_SIGNAL, 10654 val); 10655 if (phy->type == 10656 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) { 10657 /* Restore LED4 source to external link, 10658 * and re-enable interrupts. 10659 */ 10660 bnx2x_cl45_write(bp, phy, 10661 MDIO_PMA_DEVAD, 10662 MDIO_PMA_REG_8481_SIGNAL_MASK, 10663 0x40); 10664 if (params->link_flags & 10665 LINK_FLAGS_INT_DISABLED) { 10666 bnx2x_link_int_enable(params); 10667 params->link_flags &= 10668 ~LINK_FLAGS_INT_DISABLED; 10669 } 10670 } 10671 } 10672 break; 10673 } 10674 10675 /* This is a workaround for E3+84833 until autoneg 10676 * restart is fixed in f/w 10677 */ 10678 if (CHIP_IS_E3(bp)) { 10679 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 10680 MDIO_WC_REG_GP2_STATUS_GP_2_1, &val); 10681 } 10682 } 10683 10684 /******************************************************************/ 10685 /* 54618SE PHY SECTION */ 10686 /******************************************************************/ 10687 static void bnx2x_54618se_specific_func(struct bnx2x_phy *phy, 10688 struct link_params *params, 10689 u32 action) 10690 { 10691 struct bnx2x *bp = params->bp; 10692 u16 temp; 10693 switch (action) { 10694 case PHY_INIT: 10695 /* Configure LED4: set to INTR (0x6). */ 10696 /* Accessing shadow register 0xe. */ 10697 bnx2x_cl22_write(bp, phy, 10698 MDIO_REG_GPHY_SHADOW, 10699 MDIO_REG_GPHY_SHADOW_LED_SEL2); 10700 bnx2x_cl22_read(bp, phy, 10701 MDIO_REG_GPHY_SHADOW, 10702 &temp); 10703 temp &= ~(0xf << 4); 10704 temp |= (0x6 << 4); 10705 bnx2x_cl22_write(bp, phy, 10706 MDIO_REG_GPHY_SHADOW, 10707 MDIO_REG_GPHY_SHADOW_WR_ENA | temp); 10708 /* Configure INTR based on link status change. */ 10709 bnx2x_cl22_write(bp, phy, 10710 MDIO_REG_INTR_MASK, 10711 ~MDIO_REG_INTR_MASK_LINK_STATUS); 10712 break; 10713 } 10714 } 10715 10716 static int bnx2x_54618se_config_init(struct bnx2x_phy *phy, 10717 struct link_params *params, 10718 struct link_vars *vars) 10719 { 10720 struct bnx2x *bp = params->bp; 10721 u8 port; 10722 u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp; 10723 u32 cfg_pin; 10724 10725 DP(NETIF_MSG_LINK, "54618SE cfg init\n"); 10726 usleep_range(1000, 2000); 10727 10728 /* This works with E3 only, no need to check the chip 10729 * before determining the port. 10730 */ 10731 port = params->port; 10732 10733 cfg_pin = (REG_RD(bp, params->shmem_base + 10734 offsetof(struct shmem_region, 10735 dev_info.port_hw_config[port].e3_cmn_pin_cfg)) & 10736 PORT_HW_CFG_E3_PHY_RESET_MASK) >> 10737 PORT_HW_CFG_E3_PHY_RESET_SHIFT; 10738 10739 /* Drive pin high to bring the GPHY out of reset. */ 10740 bnx2x_set_cfg_pin(bp, cfg_pin, 1); 10741 10742 /* wait for GPHY to reset */ 10743 msleep(50); 10744 10745 /* reset phy */ 10746 bnx2x_cl22_write(bp, phy, 10747 MDIO_PMA_REG_CTRL, 0x8000); 10748 bnx2x_wait_reset_complete(bp, phy, params); 10749 10750 /* Wait for GPHY to reset */ 10751 msleep(50); 10752 10753 10754 bnx2x_54618se_specific_func(phy, params, PHY_INIT); 10755 /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */ 10756 bnx2x_cl22_write(bp, phy, 10757 MDIO_REG_GPHY_SHADOW, 10758 MDIO_REG_GPHY_SHADOW_AUTO_DET_MED); 10759 bnx2x_cl22_read(bp, phy, 10760 MDIO_REG_GPHY_SHADOW, 10761 &temp); 10762 temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD; 10763 bnx2x_cl22_write(bp, phy, 10764 MDIO_REG_GPHY_SHADOW, 10765 MDIO_REG_GPHY_SHADOW_WR_ENA | temp); 10766 10767 /* Set up fc */ 10768 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */ 10769 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc); 10770 fc_val = 0; 10771 if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) == 10772 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) 10773 fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC; 10774 10775 if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) == 10776 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) 10777 fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE; 10778 10779 /* Read all advertisement */ 10780 bnx2x_cl22_read(bp, phy, 10781 0x09, 10782 &an_1000_val); 10783 10784 bnx2x_cl22_read(bp, phy, 10785 0x04, 10786 &an_10_100_val); 10787 10788 bnx2x_cl22_read(bp, phy, 10789 MDIO_PMA_REG_CTRL, 10790 &autoneg_val); 10791 10792 /* Disable forced speed */ 10793 autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13)); 10794 an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) | 10795 (1<<11)); 10796 10797 if (((phy->req_line_speed == SPEED_AUTO_NEG) && 10798 (phy->speed_cap_mask & 10799 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) || 10800 (phy->req_line_speed == SPEED_1000)) { 10801 an_1000_val |= (1<<8); 10802 autoneg_val |= (1<<9 | 1<<12); 10803 if (phy->req_duplex == DUPLEX_FULL) 10804 an_1000_val |= (1<<9); 10805 DP(NETIF_MSG_LINK, "Advertising 1G\n"); 10806 } else 10807 an_1000_val &= ~((1<<8) | (1<<9)); 10808 10809 bnx2x_cl22_write(bp, phy, 10810 0x09, 10811 an_1000_val); 10812 bnx2x_cl22_read(bp, phy, 10813 0x09, 10814 &an_1000_val); 10815 10816 /* Advertise 10/100 link speed */ 10817 if (phy->req_line_speed == SPEED_AUTO_NEG) { 10818 if (phy->speed_cap_mask & 10819 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF) { 10820 an_10_100_val |= (1<<5); 10821 autoneg_val |= (1<<9 | 1<<12); 10822 DP(NETIF_MSG_LINK, "Advertising 10M-HD\n"); 10823 } 10824 if (phy->speed_cap_mask & 10825 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) { 10826 an_10_100_val |= (1<<6); 10827 autoneg_val |= (1<<9 | 1<<12); 10828 DP(NETIF_MSG_LINK, "Advertising 10M-FD\n"); 10829 } 10830 if (phy->speed_cap_mask & 10831 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF) { 10832 an_10_100_val |= (1<<7); 10833 autoneg_val |= (1<<9 | 1<<12); 10834 DP(NETIF_MSG_LINK, "Advertising 100M-HD\n"); 10835 } 10836 if (phy->speed_cap_mask & 10837 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL) { 10838 an_10_100_val |= (1<<8); 10839 autoneg_val |= (1<<9 | 1<<12); 10840 DP(NETIF_MSG_LINK, "Advertising 100M-FD\n"); 10841 } 10842 } 10843 10844 /* Only 10/100 are allowed to work in FORCE mode */ 10845 if (phy->req_line_speed == SPEED_100) { 10846 autoneg_val |= (1<<13); 10847 /* Enabled AUTO-MDIX when autoneg is disabled */ 10848 bnx2x_cl22_write(bp, phy, 10849 0x18, 10850 (1<<15 | 1<<9 | 7<<0)); 10851 DP(NETIF_MSG_LINK, "Setting 100M force\n"); 10852 } 10853 if (phy->req_line_speed == SPEED_10) { 10854 /* Enabled AUTO-MDIX when autoneg is disabled */ 10855 bnx2x_cl22_write(bp, phy, 10856 0x18, 10857 (1<<15 | 1<<9 | 7<<0)); 10858 DP(NETIF_MSG_LINK, "Setting 10M force\n"); 10859 } 10860 10861 if ((phy->flags & FLAGS_EEE) && bnx2x_eee_has_cap(params)) { 10862 int rc; 10863 10864 bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS, 10865 MDIO_REG_GPHY_EXP_ACCESS_TOP | 10866 MDIO_REG_GPHY_EXP_TOP_2K_BUF); 10867 bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, &temp); 10868 temp &= 0xfffe; 10869 bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, temp); 10870 10871 rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_1G_ADV); 10872 if (rc) { 10873 DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n"); 10874 bnx2x_eee_disable(phy, params, vars); 10875 } else if ((params->eee_mode & EEE_MODE_ADV_LPI) && 10876 (phy->req_duplex == DUPLEX_FULL) && 10877 (bnx2x_eee_calc_timer(params) || 10878 !(params->eee_mode & EEE_MODE_ENABLE_LPI))) { 10879 /* Need to advertise EEE only when requested, 10880 * and either no LPI assertion was requested, 10881 * or it was requested and a valid timer was set. 10882 * Also notice full duplex is required for EEE. 10883 */ 10884 bnx2x_eee_advertise(phy, params, vars, 10885 SHMEM_EEE_1G_ADV); 10886 } else { 10887 DP(NETIF_MSG_LINK, "Don't Advertise 1GBase-T EEE\n"); 10888 bnx2x_eee_disable(phy, params, vars); 10889 } 10890 } else { 10891 vars->eee_status &= ~SHMEM_EEE_1G_ADV << 10892 SHMEM_EEE_SUPPORTED_SHIFT; 10893 10894 if (phy->flags & FLAGS_EEE) { 10895 /* Handle legacy auto-grEEEn */ 10896 if (params->feature_config_flags & 10897 FEATURE_CONFIG_AUTOGREEEN_ENABLED) { 10898 temp = 6; 10899 DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n"); 10900 } else { 10901 temp = 0; 10902 DP(NETIF_MSG_LINK, "Don't Adv. EEE\n"); 10903 } 10904 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, 10905 MDIO_AN_REG_EEE_ADV, temp); 10906 } 10907 } 10908 10909 bnx2x_cl22_write(bp, phy, 10910 0x04, 10911 an_10_100_val | fc_val); 10912 10913 if (phy->req_duplex == DUPLEX_FULL) 10914 autoneg_val |= (1<<8); 10915 10916 bnx2x_cl22_write(bp, phy, 10917 MDIO_PMA_REG_CTRL, autoneg_val); 10918 10919 return 0; 10920 } 10921 10922 10923 static void bnx2x_5461x_set_link_led(struct bnx2x_phy *phy, 10924 struct link_params *params, u8 mode) 10925 { 10926 struct bnx2x *bp = params->bp; 10927 u16 temp; 10928 10929 bnx2x_cl22_write(bp, phy, 10930 MDIO_REG_GPHY_SHADOW, 10931 MDIO_REG_GPHY_SHADOW_LED_SEL1); 10932 bnx2x_cl22_read(bp, phy, 10933 MDIO_REG_GPHY_SHADOW, 10934 &temp); 10935 temp &= 0xff00; 10936 10937 DP(NETIF_MSG_LINK, "54618x set link led (mode=%x)\n", mode); 10938 switch (mode) { 10939 case LED_MODE_FRONT_PANEL_OFF: 10940 case LED_MODE_OFF: 10941 temp |= 0x00ee; 10942 break; 10943 case LED_MODE_OPER: 10944 temp |= 0x0001; 10945 break; 10946 case LED_MODE_ON: 10947 temp |= 0x00ff; 10948 break; 10949 default: 10950 break; 10951 } 10952 bnx2x_cl22_write(bp, phy, 10953 MDIO_REG_GPHY_SHADOW, 10954 MDIO_REG_GPHY_SHADOW_WR_ENA | temp); 10955 return; 10956 } 10957 10958 10959 static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy, 10960 struct link_params *params) 10961 { 10962 struct bnx2x *bp = params->bp; 10963 u32 cfg_pin; 10964 u8 port; 10965 10966 /* In case of no EPIO routed to reset the GPHY, put it 10967 * in low power mode. 10968 */ 10969 bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800); 10970 /* This works with E3 only, no need to check the chip 10971 * before determining the port. 10972 */ 10973 port = params->port; 10974 cfg_pin = (REG_RD(bp, params->shmem_base + 10975 offsetof(struct shmem_region, 10976 dev_info.port_hw_config[port].e3_cmn_pin_cfg)) & 10977 PORT_HW_CFG_E3_PHY_RESET_MASK) >> 10978 PORT_HW_CFG_E3_PHY_RESET_SHIFT; 10979 10980 /* Drive pin low to put GPHY in reset. */ 10981 bnx2x_set_cfg_pin(bp, cfg_pin, 0); 10982 } 10983 10984 static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy, 10985 struct link_params *params, 10986 struct link_vars *vars) 10987 { 10988 struct bnx2x *bp = params->bp; 10989 u16 val; 10990 u8 link_up = 0; 10991 u16 legacy_status, legacy_speed; 10992 10993 /* Get speed operation status */ 10994 bnx2x_cl22_read(bp, phy, 10995 MDIO_REG_GPHY_AUX_STATUS, 10996 &legacy_status); 10997 DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status); 10998 10999 /* Read status to clear the PHY interrupt. */ 11000 bnx2x_cl22_read(bp, phy, 11001 MDIO_REG_INTR_STATUS, 11002 &val); 11003 11004 link_up = ((legacy_status & (1<<2)) == (1<<2)); 11005 11006 if (link_up) { 11007 legacy_speed = (legacy_status & (7<<8)); 11008 if (legacy_speed == (7<<8)) { 11009 vars->line_speed = SPEED_1000; 11010 vars->duplex = DUPLEX_FULL; 11011 } else if (legacy_speed == (6<<8)) { 11012 vars->line_speed = SPEED_1000; 11013 vars->duplex = DUPLEX_HALF; 11014 } else if (legacy_speed == (5<<8)) { 11015 vars->line_speed = SPEED_100; 11016 vars->duplex = DUPLEX_FULL; 11017 } 11018 /* Omitting 100Base-T4 for now */ 11019 else if (legacy_speed == (3<<8)) { 11020 vars->line_speed = SPEED_100; 11021 vars->duplex = DUPLEX_HALF; 11022 } else if (legacy_speed == (2<<8)) { 11023 vars->line_speed = SPEED_10; 11024 vars->duplex = DUPLEX_FULL; 11025 } else if (legacy_speed == (1<<8)) { 11026 vars->line_speed = SPEED_10; 11027 vars->duplex = DUPLEX_HALF; 11028 } else /* Should not happen */ 11029 vars->line_speed = 0; 11030 11031 DP(NETIF_MSG_LINK, 11032 "Link is up in %dMbps, is_duplex_full= %d\n", 11033 vars->line_speed, 11034 (vars->duplex == DUPLEX_FULL)); 11035 11036 /* Check legacy speed AN resolution */ 11037 bnx2x_cl22_read(bp, phy, 11038 0x01, 11039 &val); 11040 if (val & (1<<5)) 11041 vars->link_status |= 11042 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE; 11043 bnx2x_cl22_read(bp, phy, 11044 0x06, 11045 &val); 11046 if ((val & (1<<0)) == 0) 11047 vars->link_status |= 11048 LINK_STATUS_PARALLEL_DETECTION_USED; 11049 11050 DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n", 11051 vars->line_speed); 11052 11053 bnx2x_ext_phy_resolve_fc(phy, params, vars); 11054 11055 if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) { 11056 /* Report LP advertised speeds */ 11057 bnx2x_cl22_read(bp, phy, 0x5, &val); 11058 11059 if (val & (1<<5)) 11060 vars->link_status |= 11061 LINK_STATUS_LINK_PARTNER_10THD_CAPABLE; 11062 if (val & (1<<6)) 11063 vars->link_status |= 11064 LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE; 11065 if (val & (1<<7)) 11066 vars->link_status |= 11067 LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE; 11068 if (val & (1<<8)) 11069 vars->link_status |= 11070 LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE; 11071 if (val & (1<<9)) 11072 vars->link_status |= 11073 LINK_STATUS_LINK_PARTNER_100T4_CAPABLE; 11074 11075 bnx2x_cl22_read(bp, phy, 0xa, &val); 11076 if (val & (1<<10)) 11077 vars->link_status |= 11078 LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE; 11079 if (val & (1<<11)) 11080 vars->link_status |= 11081 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE; 11082 11083 if ((phy->flags & FLAGS_EEE) && 11084 bnx2x_eee_has_cap(params)) 11085 bnx2x_eee_an_resolve(phy, params, vars); 11086 } 11087 } 11088 return link_up; 11089 } 11090 11091 static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy, 11092 struct link_params *params) 11093 { 11094 struct bnx2x *bp = params->bp; 11095 u16 val; 11096 u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0; 11097 11098 DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n"); 11099 11100 /* Enable master/slave manual mmode and set to master */ 11101 /* mii write 9 [bits set 11 12] */ 11102 bnx2x_cl22_write(bp, phy, 0x09, 3<<11); 11103 11104 /* forced 1G and disable autoneg */ 11105 /* set val [mii read 0] */ 11106 /* set val [expr $val & [bits clear 6 12 13]] */ 11107 /* set val [expr $val | [bits set 6 8]] */ 11108 /* mii write 0 $val */ 11109 bnx2x_cl22_read(bp, phy, 0x00, &val); 11110 val &= ~((1<<6) | (1<<12) | (1<<13)); 11111 val |= (1<<6) | (1<<8); 11112 bnx2x_cl22_write(bp, phy, 0x00, val); 11113 11114 /* Set external loopback and Tx using 6dB coding */ 11115 /* mii write 0x18 7 */ 11116 /* set val [mii read 0x18] */ 11117 /* mii write 0x18 [expr $val | [bits set 10 15]] */ 11118 bnx2x_cl22_write(bp, phy, 0x18, 7); 11119 bnx2x_cl22_read(bp, phy, 0x18, &val); 11120 bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15)); 11121 11122 /* This register opens the gate for the UMAC despite its name */ 11123 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1); 11124 11125 /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame 11126 * length used by the MAC receive logic to check frames. 11127 */ 11128 REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710); 11129 } 11130 11131 /******************************************************************/ 11132 /* SFX7101 PHY SECTION */ 11133 /******************************************************************/ 11134 static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy, 11135 struct link_params *params) 11136 { 11137 struct bnx2x *bp = params->bp; 11138 /* SFX7101_XGXS_TEST1 */ 11139 bnx2x_cl45_write(bp, phy, 11140 MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100); 11141 } 11142 11143 static int bnx2x_7101_config_init(struct bnx2x_phy *phy, 11144 struct link_params *params, 11145 struct link_vars *vars) 11146 { 11147 u16 fw_ver1, fw_ver2, val; 11148 struct bnx2x *bp = params->bp; 11149 DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n"); 11150 11151 /* Restore normal power mode*/ 11152 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, 11153 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port); 11154 /* HW reset */ 11155 bnx2x_ext_phy_hw_reset(bp, params->port); 11156 bnx2x_wait_reset_complete(bp, phy, params); 11157 11158 bnx2x_cl45_write(bp, phy, 11159 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1); 11160 DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n"); 11161 bnx2x_cl45_write(bp, phy, 11162 MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3)); 11163 11164 bnx2x_ext_phy_set_pause(params, phy, vars); 11165 /* Restart autoneg */ 11166 bnx2x_cl45_read(bp, phy, 11167 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val); 11168 val |= 0x200; 11169 bnx2x_cl45_write(bp, phy, 11170 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val); 11171 11172 /* Save spirom version */ 11173 bnx2x_cl45_read(bp, phy, 11174 MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1); 11175 11176 bnx2x_cl45_read(bp, phy, 11177 MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2); 11178 bnx2x_save_spirom_version(bp, params->port, 11179 (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr); 11180 return 0; 11181 } 11182 11183 static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy, 11184 struct link_params *params, 11185 struct link_vars *vars) 11186 { 11187 struct bnx2x *bp = params->bp; 11188 u8 link_up; 11189 u16 val1, val2; 11190 bnx2x_cl45_read(bp, phy, 11191 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2); 11192 bnx2x_cl45_read(bp, phy, 11193 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1); 11194 DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n", 11195 val2, val1); 11196 bnx2x_cl45_read(bp, phy, 11197 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2); 11198 bnx2x_cl45_read(bp, phy, 11199 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1); 11200 DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n", 11201 val2, val1); 11202 link_up = ((val1 & 4) == 4); 11203 /* If link is up print the AN outcome of the SFX7101 PHY */ 11204 if (link_up) { 11205 bnx2x_cl45_read(bp, phy, 11206 MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS, 11207 &val2); 11208 vars->line_speed = SPEED_10000; 11209 vars->duplex = DUPLEX_FULL; 11210 DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n", 11211 val2, (val2 & (1<<14))); 11212 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars); 11213 bnx2x_ext_phy_resolve_fc(phy, params, vars); 11214 11215 /* Read LP advertised speeds */ 11216 if (val2 & (1<<11)) 11217 vars->link_status |= 11218 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE; 11219 } 11220 return link_up; 11221 } 11222 11223 static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len) 11224 { 11225 if (*len < 5) 11226 return -EINVAL; 11227 str[0] = (spirom_ver & 0xFF); 11228 str[1] = (spirom_ver & 0xFF00) >> 8; 11229 str[2] = (spirom_ver & 0xFF0000) >> 16; 11230 str[3] = (spirom_ver & 0xFF000000) >> 24; 11231 str[4] = '\0'; 11232 *len -= 5; 11233 return 0; 11234 } 11235 11236 void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy) 11237 { 11238 u16 val, cnt; 11239 11240 bnx2x_cl45_read(bp, phy, 11241 MDIO_PMA_DEVAD, 11242 MDIO_PMA_REG_7101_RESET, &val); 11243 11244 for (cnt = 0; cnt < 10; cnt++) { 11245 msleep(50); 11246 /* Writes a self-clearing reset */ 11247 bnx2x_cl45_write(bp, phy, 11248 MDIO_PMA_DEVAD, 11249 MDIO_PMA_REG_7101_RESET, 11250 (val | (1<<15))); 11251 /* Wait for clear */ 11252 bnx2x_cl45_read(bp, phy, 11253 MDIO_PMA_DEVAD, 11254 MDIO_PMA_REG_7101_RESET, &val); 11255 11256 if ((val & (1<<15)) == 0) 11257 break; 11258 } 11259 } 11260 11261 static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy, 11262 struct link_params *params) { 11263 /* Low power mode is controlled by GPIO 2 */ 11264 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2, 11265 MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port); 11266 /* The PHY reset is controlled by GPIO 1 */ 11267 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1, 11268 MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port); 11269 } 11270 11271 static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy, 11272 struct link_params *params, u8 mode) 11273 { 11274 u16 val = 0; 11275 struct bnx2x *bp = params->bp; 11276 switch (mode) { 11277 case LED_MODE_FRONT_PANEL_OFF: 11278 case LED_MODE_OFF: 11279 val = 2; 11280 break; 11281 case LED_MODE_ON: 11282 val = 1; 11283 break; 11284 case LED_MODE_OPER: 11285 val = 0; 11286 break; 11287 } 11288 bnx2x_cl45_write(bp, phy, 11289 MDIO_PMA_DEVAD, 11290 MDIO_PMA_REG_7107_LINK_LED_CNTL, 11291 val); 11292 } 11293 11294 /******************************************************************/ 11295 /* STATIC PHY DECLARATION */ 11296 /******************************************************************/ 11297 11298 static const struct bnx2x_phy phy_null = { 11299 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN, 11300 .addr = 0, 11301 .def_md_devad = 0, 11302 .flags = FLAGS_INIT_XGXS_FIRST, 11303 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11304 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11305 .mdio_ctrl = 0, 11306 .supported = 0, 11307 .media_type = ETH_PHY_NOT_PRESENT, 11308 .ver_addr = 0, 11309 .req_flow_ctrl = 0, 11310 .req_line_speed = 0, 11311 .speed_cap_mask = 0, 11312 .req_duplex = 0, 11313 .rsrv = 0, 11314 .config_init = (config_init_t)NULL, 11315 .read_status = (read_status_t)NULL, 11316 .link_reset = (link_reset_t)NULL, 11317 .config_loopback = (config_loopback_t)NULL, 11318 .format_fw_ver = (format_fw_ver_t)NULL, 11319 .hw_reset = (hw_reset_t)NULL, 11320 .set_link_led = (set_link_led_t)NULL, 11321 .phy_specific_func = (phy_specific_func_t)NULL 11322 }; 11323 11324 static const struct bnx2x_phy phy_serdes = { 11325 .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT, 11326 .addr = 0xff, 11327 .def_md_devad = 0, 11328 .flags = 0, 11329 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11330 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11331 .mdio_ctrl = 0, 11332 .supported = (SUPPORTED_10baseT_Half | 11333 SUPPORTED_10baseT_Full | 11334 SUPPORTED_100baseT_Half | 11335 SUPPORTED_100baseT_Full | 11336 SUPPORTED_1000baseT_Full | 11337 SUPPORTED_2500baseX_Full | 11338 SUPPORTED_TP | 11339 SUPPORTED_Autoneg | 11340 SUPPORTED_Pause | 11341 SUPPORTED_Asym_Pause), 11342 .media_type = ETH_PHY_BASE_T, 11343 .ver_addr = 0, 11344 .req_flow_ctrl = 0, 11345 .req_line_speed = 0, 11346 .speed_cap_mask = 0, 11347 .req_duplex = 0, 11348 .rsrv = 0, 11349 .config_init = (config_init_t)bnx2x_xgxs_config_init, 11350 .read_status = (read_status_t)bnx2x_link_settings_status, 11351 .link_reset = (link_reset_t)bnx2x_int_link_reset, 11352 .config_loopback = (config_loopback_t)NULL, 11353 .format_fw_ver = (format_fw_ver_t)NULL, 11354 .hw_reset = (hw_reset_t)NULL, 11355 .set_link_led = (set_link_led_t)NULL, 11356 .phy_specific_func = (phy_specific_func_t)NULL 11357 }; 11358 11359 static const struct bnx2x_phy phy_xgxs = { 11360 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT, 11361 .addr = 0xff, 11362 .def_md_devad = 0, 11363 .flags = 0, 11364 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11365 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11366 .mdio_ctrl = 0, 11367 .supported = (SUPPORTED_10baseT_Half | 11368 SUPPORTED_10baseT_Full | 11369 SUPPORTED_100baseT_Half | 11370 SUPPORTED_100baseT_Full | 11371 SUPPORTED_1000baseT_Full | 11372 SUPPORTED_2500baseX_Full | 11373 SUPPORTED_10000baseT_Full | 11374 SUPPORTED_FIBRE | 11375 SUPPORTED_Autoneg | 11376 SUPPORTED_Pause | 11377 SUPPORTED_Asym_Pause), 11378 .media_type = ETH_PHY_CX4, 11379 .ver_addr = 0, 11380 .req_flow_ctrl = 0, 11381 .req_line_speed = 0, 11382 .speed_cap_mask = 0, 11383 .req_duplex = 0, 11384 .rsrv = 0, 11385 .config_init = (config_init_t)bnx2x_xgxs_config_init, 11386 .read_status = (read_status_t)bnx2x_link_settings_status, 11387 .link_reset = (link_reset_t)bnx2x_int_link_reset, 11388 .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback, 11389 .format_fw_ver = (format_fw_ver_t)NULL, 11390 .hw_reset = (hw_reset_t)NULL, 11391 .set_link_led = (set_link_led_t)NULL, 11392 .phy_specific_func = (phy_specific_func_t)bnx2x_xgxs_specific_func 11393 }; 11394 static const struct bnx2x_phy phy_warpcore = { 11395 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT, 11396 .addr = 0xff, 11397 .def_md_devad = 0, 11398 .flags = FLAGS_TX_ERROR_CHECK, 11399 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11400 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11401 .mdio_ctrl = 0, 11402 .supported = (SUPPORTED_10baseT_Half | 11403 SUPPORTED_10baseT_Full | 11404 SUPPORTED_100baseT_Half | 11405 SUPPORTED_100baseT_Full | 11406 SUPPORTED_1000baseT_Full | 11407 SUPPORTED_10000baseT_Full | 11408 SUPPORTED_20000baseKR2_Full | 11409 SUPPORTED_20000baseMLD2_Full | 11410 SUPPORTED_FIBRE | 11411 SUPPORTED_Autoneg | 11412 SUPPORTED_Pause | 11413 SUPPORTED_Asym_Pause), 11414 .media_type = ETH_PHY_UNSPECIFIED, 11415 .ver_addr = 0, 11416 .req_flow_ctrl = 0, 11417 .req_line_speed = 0, 11418 .speed_cap_mask = 0, 11419 /* req_duplex = */0, 11420 /* rsrv = */0, 11421 .config_init = (config_init_t)bnx2x_warpcore_config_init, 11422 .read_status = (read_status_t)bnx2x_warpcore_read_status, 11423 .link_reset = (link_reset_t)bnx2x_warpcore_link_reset, 11424 .config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback, 11425 .format_fw_ver = (format_fw_ver_t)NULL, 11426 .hw_reset = (hw_reset_t)bnx2x_warpcore_hw_reset, 11427 .set_link_led = (set_link_led_t)NULL, 11428 .phy_specific_func = (phy_specific_func_t)NULL 11429 }; 11430 11431 11432 static const struct bnx2x_phy phy_7101 = { 11433 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101, 11434 .addr = 0xff, 11435 .def_md_devad = 0, 11436 .flags = FLAGS_FAN_FAILURE_DET_REQ, 11437 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11438 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11439 .mdio_ctrl = 0, 11440 .supported = (SUPPORTED_10000baseT_Full | 11441 SUPPORTED_TP | 11442 SUPPORTED_Autoneg | 11443 SUPPORTED_Pause | 11444 SUPPORTED_Asym_Pause), 11445 .media_type = ETH_PHY_BASE_T, 11446 .ver_addr = 0, 11447 .req_flow_ctrl = 0, 11448 .req_line_speed = 0, 11449 .speed_cap_mask = 0, 11450 .req_duplex = 0, 11451 .rsrv = 0, 11452 .config_init = (config_init_t)bnx2x_7101_config_init, 11453 .read_status = (read_status_t)bnx2x_7101_read_status, 11454 .link_reset = (link_reset_t)bnx2x_common_ext_link_reset, 11455 .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback, 11456 .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver, 11457 .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset, 11458 .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led, 11459 .phy_specific_func = (phy_specific_func_t)NULL 11460 }; 11461 static const struct bnx2x_phy phy_8073 = { 11462 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073, 11463 .addr = 0xff, 11464 .def_md_devad = 0, 11465 .flags = 0, 11466 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11467 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11468 .mdio_ctrl = 0, 11469 .supported = (SUPPORTED_10000baseT_Full | 11470 SUPPORTED_2500baseX_Full | 11471 SUPPORTED_1000baseT_Full | 11472 SUPPORTED_FIBRE | 11473 SUPPORTED_Autoneg | 11474 SUPPORTED_Pause | 11475 SUPPORTED_Asym_Pause), 11476 .media_type = ETH_PHY_KR, 11477 .ver_addr = 0, 11478 .req_flow_ctrl = 0, 11479 .req_line_speed = 0, 11480 .speed_cap_mask = 0, 11481 .req_duplex = 0, 11482 .rsrv = 0, 11483 .config_init = (config_init_t)bnx2x_8073_config_init, 11484 .read_status = (read_status_t)bnx2x_8073_read_status, 11485 .link_reset = (link_reset_t)bnx2x_8073_link_reset, 11486 .config_loopback = (config_loopback_t)NULL, 11487 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver, 11488 .hw_reset = (hw_reset_t)NULL, 11489 .set_link_led = (set_link_led_t)NULL, 11490 .phy_specific_func = (phy_specific_func_t)bnx2x_8073_specific_func 11491 }; 11492 static const struct bnx2x_phy phy_8705 = { 11493 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705, 11494 .addr = 0xff, 11495 .def_md_devad = 0, 11496 .flags = FLAGS_INIT_XGXS_FIRST, 11497 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11498 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11499 .mdio_ctrl = 0, 11500 .supported = (SUPPORTED_10000baseT_Full | 11501 SUPPORTED_FIBRE | 11502 SUPPORTED_Pause | 11503 SUPPORTED_Asym_Pause), 11504 .media_type = ETH_PHY_XFP_FIBER, 11505 .ver_addr = 0, 11506 .req_flow_ctrl = 0, 11507 .req_line_speed = 0, 11508 .speed_cap_mask = 0, 11509 .req_duplex = 0, 11510 .rsrv = 0, 11511 .config_init = (config_init_t)bnx2x_8705_config_init, 11512 .read_status = (read_status_t)bnx2x_8705_read_status, 11513 .link_reset = (link_reset_t)bnx2x_common_ext_link_reset, 11514 .config_loopback = (config_loopback_t)NULL, 11515 .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver, 11516 .hw_reset = (hw_reset_t)NULL, 11517 .set_link_led = (set_link_led_t)NULL, 11518 .phy_specific_func = (phy_specific_func_t)NULL 11519 }; 11520 static const struct bnx2x_phy phy_8706 = { 11521 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706, 11522 .addr = 0xff, 11523 .def_md_devad = 0, 11524 .flags = FLAGS_INIT_XGXS_FIRST, 11525 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11526 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11527 .mdio_ctrl = 0, 11528 .supported = (SUPPORTED_10000baseT_Full | 11529 SUPPORTED_1000baseT_Full | 11530 SUPPORTED_FIBRE | 11531 SUPPORTED_Pause | 11532 SUPPORTED_Asym_Pause), 11533 .media_type = ETH_PHY_SFPP_10G_FIBER, 11534 .ver_addr = 0, 11535 .req_flow_ctrl = 0, 11536 .req_line_speed = 0, 11537 .speed_cap_mask = 0, 11538 .req_duplex = 0, 11539 .rsrv = 0, 11540 .config_init = (config_init_t)bnx2x_8706_config_init, 11541 .read_status = (read_status_t)bnx2x_8706_read_status, 11542 .link_reset = (link_reset_t)bnx2x_common_ext_link_reset, 11543 .config_loopback = (config_loopback_t)NULL, 11544 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver, 11545 .hw_reset = (hw_reset_t)NULL, 11546 .set_link_led = (set_link_led_t)NULL, 11547 .phy_specific_func = (phy_specific_func_t)NULL 11548 }; 11549 11550 static const struct bnx2x_phy phy_8726 = { 11551 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726, 11552 .addr = 0xff, 11553 .def_md_devad = 0, 11554 .flags = (FLAGS_INIT_XGXS_FIRST | 11555 FLAGS_TX_ERROR_CHECK), 11556 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11557 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11558 .mdio_ctrl = 0, 11559 .supported = (SUPPORTED_10000baseT_Full | 11560 SUPPORTED_1000baseT_Full | 11561 SUPPORTED_Autoneg | 11562 SUPPORTED_FIBRE | 11563 SUPPORTED_Pause | 11564 SUPPORTED_Asym_Pause), 11565 .media_type = ETH_PHY_NOT_PRESENT, 11566 .ver_addr = 0, 11567 .req_flow_ctrl = 0, 11568 .req_line_speed = 0, 11569 .speed_cap_mask = 0, 11570 .req_duplex = 0, 11571 .rsrv = 0, 11572 .config_init = (config_init_t)bnx2x_8726_config_init, 11573 .read_status = (read_status_t)bnx2x_8726_read_status, 11574 .link_reset = (link_reset_t)bnx2x_8726_link_reset, 11575 .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback, 11576 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver, 11577 .hw_reset = (hw_reset_t)NULL, 11578 .set_link_led = (set_link_led_t)NULL, 11579 .phy_specific_func = (phy_specific_func_t)NULL 11580 }; 11581 11582 static const struct bnx2x_phy phy_8727 = { 11583 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727, 11584 .addr = 0xff, 11585 .def_md_devad = 0, 11586 .flags = (FLAGS_FAN_FAILURE_DET_REQ | 11587 FLAGS_TX_ERROR_CHECK), 11588 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11589 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11590 .mdio_ctrl = 0, 11591 .supported = (SUPPORTED_10000baseT_Full | 11592 SUPPORTED_1000baseT_Full | 11593 SUPPORTED_FIBRE | 11594 SUPPORTED_Pause | 11595 SUPPORTED_Asym_Pause), 11596 .media_type = ETH_PHY_NOT_PRESENT, 11597 .ver_addr = 0, 11598 .req_flow_ctrl = 0, 11599 .req_line_speed = 0, 11600 .speed_cap_mask = 0, 11601 .req_duplex = 0, 11602 .rsrv = 0, 11603 .config_init = (config_init_t)bnx2x_8727_config_init, 11604 .read_status = (read_status_t)bnx2x_8727_read_status, 11605 .link_reset = (link_reset_t)bnx2x_8727_link_reset, 11606 .config_loopback = (config_loopback_t)NULL, 11607 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver, 11608 .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset, 11609 .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led, 11610 .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func 11611 }; 11612 static const struct bnx2x_phy phy_8481 = { 11613 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481, 11614 .addr = 0xff, 11615 .def_md_devad = 0, 11616 .flags = FLAGS_FAN_FAILURE_DET_REQ | 11617 FLAGS_REARM_LATCH_SIGNAL, 11618 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11619 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11620 .mdio_ctrl = 0, 11621 .supported = (SUPPORTED_10baseT_Half | 11622 SUPPORTED_10baseT_Full | 11623 SUPPORTED_100baseT_Half | 11624 SUPPORTED_100baseT_Full | 11625 SUPPORTED_1000baseT_Full | 11626 SUPPORTED_10000baseT_Full | 11627 SUPPORTED_TP | 11628 SUPPORTED_Autoneg | 11629 SUPPORTED_Pause | 11630 SUPPORTED_Asym_Pause), 11631 .media_type = ETH_PHY_BASE_T, 11632 .ver_addr = 0, 11633 .req_flow_ctrl = 0, 11634 .req_line_speed = 0, 11635 .speed_cap_mask = 0, 11636 .req_duplex = 0, 11637 .rsrv = 0, 11638 .config_init = (config_init_t)bnx2x_8481_config_init, 11639 .read_status = (read_status_t)bnx2x_848xx_read_status, 11640 .link_reset = (link_reset_t)bnx2x_8481_link_reset, 11641 .config_loopback = (config_loopback_t)NULL, 11642 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver, 11643 .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset, 11644 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led, 11645 .phy_specific_func = (phy_specific_func_t)NULL 11646 }; 11647 11648 static const struct bnx2x_phy phy_84823 = { 11649 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823, 11650 .addr = 0xff, 11651 .def_md_devad = 0, 11652 .flags = (FLAGS_FAN_FAILURE_DET_REQ | 11653 FLAGS_REARM_LATCH_SIGNAL | 11654 FLAGS_TX_ERROR_CHECK), 11655 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11656 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11657 .mdio_ctrl = 0, 11658 .supported = (SUPPORTED_10baseT_Half | 11659 SUPPORTED_10baseT_Full | 11660 SUPPORTED_100baseT_Half | 11661 SUPPORTED_100baseT_Full | 11662 SUPPORTED_1000baseT_Full | 11663 SUPPORTED_10000baseT_Full | 11664 SUPPORTED_TP | 11665 SUPPORTED_Autoneg | 11666 SUPPORTED_Pause | 11667 SUPPORTED_Asym_Pause), 11668 .media_type = ETH_PHY_BASE_T, 11669 .ver_addr = 0, 11670 .req_flow_ctrl = 0, 11671 .req_line_speed = 0, 11672 .speed_cap_mask = 0, 11673 .req_duplex = 0, 11674 .rsrv = 0, 11675 .config_init = (config_init_t)bnx2x_848x3_config_init, 11676 .read_status = (read_status_t)bnx2x_848xx_read_status, 11677 .link_reset = (link_reset_t)bnx2x_848x3_link_reset, 11678 .config_loopback = (config_loopback_t)NULL, 11679 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver, 11680 .hw_reset = (hw_reset_t)NULL, 11681 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led, 11682 .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func 11683 }; 11684 11685 static const struct bnx2x_phy phy_84833 = { 11686 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833, 11687 .addr = 0xff, 11688 .def_md_devad = 0, 11689 .flags = (FLAGS_FAN_FAILURE_DET_REQ | 11690 FLAGS_REARM_LATCH_SIGNAL | 11691 FLAGS_TX_ERROR_CHECK), 11692 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11693 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11694 .mdio_ctrl = 0, 11695 .supported = (SUPPORTED_100baseT_Half | 11696 SUPPORTED_100baseT_Full | 11697 SUPPORTED_1000baseT_Full | 11698 SUPPORTED_10000baseT_Full | 11699 SUPPORTED_TP | 11700 SUPPORTED_Autoneg | 11701 SUPPORTED_Pause | 11702 SUPPORTED_Asym_Pause), 11703 .media_type = ETH_PHY_BASE_T, 11704 .ver_addr = 0, 11705 .req_flow_ctrl = 0, 11706 .req_line_speed = 0, 11707 .speed_cap_mask = 0, 11708 .req_duplex = 0, 11709 .rsrv = 0, 11710 .config_init = (config_init_t)bnx2x_848x3_config_init, 11711 .read_status = (read_status_t)bnx2x_848xx_read_status, 11712 .link_reset = (link_reset_t)bnx2x_848x3_link_reset, 11713 .config_loopback = (config_loopback_t)NULL, 11714 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver, 11715 .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy, 11716 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led, 11717 .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func 11718 }; 11719 11720 static const struct bnx2x_phy phy_84834 = { 11721 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834, 11722 .addr = 0xff, 11723 .def_md_devad = 0, 11724 .flags = FLAGS_FAN_FAILURE_DET_REQ | 11725 FLAGS_REARM_LATCH_SIGNAL, 11726 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11727 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11728 .mdio_ctrl = 0, 11729 .supported = (SUPPORTED_100baseT_Half | 11730 SUPPORTED_100baseT_Full | 11731 SUPPORTED_1000baseT_Full | 11732 SUPPORTED_10000baseT_Full | 11733 SUPPORTED_TP | 11734 SUPPORTED_Autoneg | 11735 SUPPORTED_Pause | 11736 SUPPORTED_Asym_Pause), 11737 .media_type = ETH_PHY_BASE_T, 11738 .ver_addr = 0, 11739 .req_flow_ctrl = 0, 11740 .req_line_speed = 0, 11741 .speed_cap_mask = 0, 11742 .req_duplex = 0, 11743 .rsrv = 0, 11744 .config_init = (config_init_t)bnx2x_848x3_config_init, 11745 .read_status = (read_status_t)bnx2x_848xx_read_status, 11746 .link_reset = (link_reset_t)bnx2x_848x3_link_reset, 11747 .config_loopback = (config_loopback_t)NULL, 11748 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver, 11749 .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy, 11750 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led, 11751 .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func 11752 }; 11753 11754 static const struct bnx2x_phy phy_54618se = { 11755 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE, 11756 .addr = 0xff, 11757 .def_md_devad = 0, 11758 .flags = FLAGS_INIT_XGXS_FIRST, 11759 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11760 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11761 .mdio_ctrl = 0, 11762 .supported = (SUPPORTED_10baseT_Half | 11763 SUPPORTED_10baseT_Full | 11764 SUPPORTED_100baseT_Half | 11765 SUPPORTED_100baseT_Full | 11766 SUPPORTED_1000baseT_Full | 11767 SUPPORTED_TP | 11768 SUPPORTED_Autoneg | 11769 SUPPORTED_Pause | 11770 SUPPORTED_Asym_Pause), 11771 .media_type = ETH_PHY_BASE_T, 11772 .ver_addr = 0, 11773 .req_flow_ctrl = 0, 11774 .req_line_speed = 0, 11775 .speed_cap_mask = 0, 11776 /* req_duplex = */0, 11777 /* rsrv = */0, 11778 .config_init = (config_init_t)bnx2x_54618se_config_init, 11779 .read_status = (read_status_t)bnx2x_54618se_read_status, 11780 .link_reset = (link_reset_t)bnx2x_54618se_link_reset, 11781 .config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback, 11782 .format_fw_ver = (format_fw_ver_t)NULL, 11783 .hw_reset = (hw_reset_t)NULL, 11784 .set_link_led = (set_link_led_t)bnx2x_5461x_set_link_led, 11785 .phy_specific_func = (phy_specific_func_t)bnx2x_54618se_specific_func 11786 }; 11787 /*****************************************************************/ 11788 /* */ 11789 /* Populate the phy according. Main function: bnx2x_populate_phy */ 11790 /* */ 11791 /*****************************************************************/ 11792 11793 static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base, 11794 struct bnx2x_phy *phy, u8 port, 11795 u8 phy_index) 11796 { 11797 /* Get the 4 lanes xgxs config rx and tx */ 11798 u32 rx = 0, tx = 0, i; 11799 for (i = 0; i < 2; i++) { 11800 /* INT_PHY and EXT_PHY1 share the same value location in 11801 * the shmem. When num_phys is greater than 1, than this value 11802 * applies only to EXT_PHY1 11803 */ 11804 if (phy_index == INT_PHY || phy_index == EXT_PHY1) { 11805 rx = REG_RD(bp, shmem_base + 11806 offsetof(struct shmem_region, 11807 dev_info.port_hw_config[port].xgxs_config_rx[i<<1])); 11808 11809 tx = REG_RD(bp, shmem_base + 11810 offsetof(struct shmem_region, 11811 dev_info.port_hw_config[port].xgxs_config_tx[i<<1])); 11812 } else { 11813 rx = REG_RD(bp, shmem_base + 11814 offsetof(struct shmem_region, 11815 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1])); 11816 11817 tx = REG_RD(bp, shmem_base + 11818 offsetof(struct shmem_region, 11819 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1])); 11820 } 11821 11822 phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff); 11823 phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff); 11824 11825 phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff); 11826 phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff); 11827 } 11828 } 11829 11830 static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base, 11831 u8 phy_index, u8 port) 11832 { 11833 u32 ext_phy_config = 0; 11834 switch (phy_index) { 11835 case EXT_PHY1: 11836 ext_phy_config = REG_RD(bp, shmem_base + 11837 offsetof(struct shmem_region, 11838 dev_info.port_hw_config[port].external_phy_config)); 11839 break; 11840 case EXT_PHY2: 11841 ext_phy_config = REG_RD(bp, shmem_base + 11842 offsetof(struct shmem_region, 11843 dev_info.port_hw_config[port].external_phy_config2)); 11844 break; 11845 default: 11846 DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index); 11847 return -EINVAL; 11848 } 11849 11850 return ext_phy_config; 11851 } 11852 static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port, 11853 struct bnx2x_phy *phy) 11854 { 11855 u32 phy_addr; 11856 u32 chip_id; 11857 u32 switch_cfg = (REG_RD(bp, shmem_base + 11858 offsetof(struct shmem_region, 11859 dev_info.port_feature_config[port].link_config)) & 11860 PORT_FEATURE_CONNECTED_SWITCH_MASK); 11861 chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) | 11862 ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12); 11863 11864 DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id); 11865 if (USES_WARPCORE(bp)) { 11866 u32 serdes_net_if; 11867 phy_addr = REG_RD(bp, 11868 MISC_REG_WC0_CTRL_PHY_ADDR); 11869 *phy = phy_warpcore; 11870 if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3) 11871 phy->flags |= FLAGS_4_PORT_MODE; 11872 else 11873 phy->flags &= ~FLAGS_4_PORT_MODE; 11874 /* Check Dual mode */ 11875 serdes_net_if = (REG_RD(bp, shmem_base + 11876 offsetof(struct shmem_region, dev_info. 11877 port_hw_config[port].default_cfg)) & 11878 PORT_HW_CFG_NET_SERDES_IF_MASK); 11879 /* Set the appropriate supported and flags indications per 11880 * interface type of the chip 11881 */ 11882 switch (serdes_net_if) { 11883 case PORT_HW_CFG_NET_SERDES_IF_SGMII: 11884 phy->supported &= (SUPPORTED_10baseT_Half | 11885 SUPPORTED_10baseT_Full | 11886 SUPPORTED_100baseT_Half | 11887 SUPPORTED_100baseT_Full | 11888 SUPPORTED_1000baseT_Full | 11889 SUPPORTED_FIBRE | 11890 SUPPORTED_Autoneg | 11891 SUPPORTED_Pause | 11892 SUPPORTED_Asym_Pause); 11893 phy->media_type = ETH_PHY_BASE_T; 11894 break; 11895 case PORT_HW_CFG_NET_SERDES_IF_XFI: 11896 phy->supported &= (SUPPORTED_1000baseT_Full | 11897 SUPPORTED_10000baseT_Full | 11898 SUPPORTED_FIBRE | 11899 SUPPORTED_Pause | 11900 SUPPORTED_Asym_Pause); 11901 phy->media_type = ETH_PHY_XFP_FIBER; 11902 break; 11903 case PORT_HW_CFG_NET_SERDES_IF_SFI: 11904 phy->supported &= (SUPPORTED_1000baseT_Full | 11905 SUPPORTED_10000baseT_Full | 11906 SUPPORTED_FIBRE | 11907 SUPPORTED_Pause | 11908 SUPPORTED_Asym_Pause); 11909 phy->media_type = ETH_PHY_SFPP_10G_FIBER; 11910 break; 11911 case PORT_HW_CFG_NET_SERDES_IF_KR: 11912 phy->media_type = ETH_PHY_KR; 11913 phy->supported &= (SUPPORTED_1000baseT_Full | 11914 SUPPORTED_10000baseT_Full | 11915 SUPPORTED_FIBRE | 11916 SUPPORTED_Autoneg | 11917 SUPPORTED_Pause | 11918 SUPPORTED_Asym_Pause); 11919 break; 11920 case PORT_HW_CFG_NET_SERDES_IF_DXGXS: 11921 phy->media_type = ETH_PHY_KR; 11922 phy->flags |= FLAGS_WC_DUAL_MODE; 11923 phy->supported &= (SUPPORTED_20000baseMLD2_Full | 11924 SUPPORTED_FIBRE | 11925 SUPPORTED_Pause | 11926 SUPPORTED_Asym_Pause); 11927 break; 11928 case PORT_HW_CFG_NET_SERDES_IF_KR2: 11929 phy->media_type = ETH_PHY_KR; 11930 phy->flags |= FLAGS_WC_DUAL_MODE; 11931 phy->supported &= (SUPPORTED_20000baseKR2_Full | 11932 SUPPORTED_10000baseT_Full | 11933 SUPPORTED_1000baseT_Full | 11934 SUPPORTED_Autoneg | 11935 SUPPORTED_FIBRE | 11936 SUPPORTED_Pause | 11937 SUPPORTED_Asym_Pause); 11938 phy->flags &= ~FLAGS_TX_ERROR_CHECK; 11939 break; 11940 default: 11941 DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n", 11942 serdes_net_if); 11943 break; 11944 } 11945 11946 /* Enable MDC/MDIO work-around for E3 A0 since free running MDC 11947 * was not set as expected. For B0, ECO will be enabled so there 11948 * won't be an issue there 11949 */ 11950 if (CHIP_REV(bp) == CHIP_REV_Ax) 11951 phy->flags |= FLAGS_MDC_MDIO_WA; 11952 else 11953 phy->flags |= FLAGS_MDC_MDIO_WA_B0; 11954 } else { 11955 switch (switch_cfg) { 11956 case SWITCH_CFG_1G: 11957 phy_addr = REG_RD(bp, 11958 NIG_REG_SERDES0_CTRL_PHY_ADDR + 11959 port * 0x10); 11960 *phy = phy_serdes; 11961 break; 11962 case SWITCH_CFG_10G: 11963 phy_addr = REG_RD(bp, 11964 NIG_REG_XGXS0_CTRL_PHY_ADDR + 11965 port * 0x18); 11966 *phy = phy_xgxs; 11967 break; 11968 default: 11969 DP(NETIF_MSG_LINK, "Invalid switch_cfg\n"); 11970 return -EINVAL; 11971 } 11972 } 11973 phy->addr = (u8)phy_addr; 11974 phy->mdio_ctrl = bnx2x_get_emac_base(bp, 11975 SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH, 11976 port); 11977 if (CHIP_IS_E2(bp)) 11978 phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR; 11979 else 11980 phy->def_md_devad = DEFAULT_PHY_DEV_ADDR; 11981 11982 DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n", 11983 port, phy->addr, phy->mdio_ctrl); 11984 11985 bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY); 11986 return 0; 11987 } 11988 11989 static int bnx2x_populate_ext_phy(struct bnx2x *bp, 11990 u8 phy_index, 11991 u32 shmem_base, 11992 u32 shmem2_base, 11993 u8 port, 11994 struct bnx2x_phy *phy) 11995 { 11996 u32 ext_phy_config, phy_type, config2; 11997 u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH; 11998 ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base, 11999 phy_index, port); 12000 phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config); 12001 /* Select the phy type */ 12002 switch (phy_type) { 12003 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073: 12004 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED; 12005 *phy = phy_8073; 12006 break; 12007 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705: 12008 *phy = phy_8705; 12009 break; 12010 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706: 12011 *phy = phy_8706; 12012 break; 12013 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726: 12014 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1; 12015 *phy = phy_8726; 12016 break; 12017 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC: 12018 /* BCM8727_NOC => BCM8727 no over current */ 12019 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1; 12020 *phy = phy_8727; 12021 phy->flags |= FLAGS_NOC; 12022 break; 12023 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722: 12024 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727: 12025 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1; 12026 *phy = phy_8727; 12027 break; 12028 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481: 12029 *phy = phy_8481; 12030 break; 12031 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823: 12032 *phy = phy_84823; 12033 break; 12034 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833: 12035 *phy = phy_84833; 12036 break; 12037 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834: 12038 *phy = phy_84834; 12039 break; 12040 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616: 12041 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE: 12042 *phy = phy_54618se; 12043 if (phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) 12044 phy->flags |= FLAGS_EEE; 12045 break; 12046 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101: 12047 *phy = phy_7101; 12048 break; 12049 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE: 12050 *phy = phy_null; 12051 return -EINVAL; 12052 default: 12053 *phy = phy_null; 12054 /* In case external PHY wasn't found */ 12055 if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) && 12056 (phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)) 12057 return -EINVAL; 12058 return 0; 12059 } 12060 12061 phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config); 12062 bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index); 12063 12064 /* The shmem address of the phy version is located on different 12065 * structures. In case this structure is too old, do not set 12066 * the address 12067 */ 12068 config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region, 12069 dev_info.shared_hw_config.config2)); 12070 if (phy_index == EXT_PHY1) { 12071 phy->ver_addr = shmem_base + offsetof(struct shmem_region, 12072 port_mb[port].ext_phy_fw_version); 12073 12074 /* Check specific mdc mdio settings */ 12075 if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK) 12076 mdc_mdio_access = config2 & 12077 SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK; 12078 } else { 12079 u32 size = REG_RD(bp, shmem2_base); 12080 12081 if (size > 12082 offsetof(struct shmem2_region, ext_phy_fw_version2)) { 12083 phy->ver_addr = shmem2_base + 12084 offsetof(struct shmem2_region, 12085 ext_phy_fw_version2[port]); 12086 } 12087 /* Check specific mdc mdio settings */ 12088 if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) 12089 mdc_mdio_access = (config2 & 12090 SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >> 12091 (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT - 12092 SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT); 12093 } 12094 phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port); 12095 12096 if (((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) || 12097 (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) && 12098 (phy->ver_addr)) { 12099 /* Remove 100Mb link supported for BCM84833/4 when phy fw 12100 * version lower than or equal to 1.39 12101 */ 12102 u32 raw_ver = REG_RD(bp, phy->ver_addr); 12103 if (((raw_ver & 0x7F) <= 39) && 12104 (((raw_ver & 0xF80) >> 7) <= 1)) 12105 phy->supported &= ~(SUPPORTED_100baseT_Half | 12106 SUPPORTED_100baseT_Full); 12107 } 12108 12109 DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n", 12110 phy_type, port, phy_index); 12111 DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n", 12112 phy->addr, phy->mdio_ctrl); 12113 return 0; 12114 } 12115 12116 static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base, 12117 u32 shmem2_base, u8 port, struct bnx2x_phy *phy) 12118 { 12119 int status = 0; 12120 phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN; 12121 if (phy_index == INT_PHY) 12122 return bnx2x_populate_int_phy(bp, shmem_base, port, phy); 12123 status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base, 12124 port, phy); 12125 return status; 12126 } 12127 12128 static void bnx2x_phy_def_cfg(struct link_params *params, 12129 struct bnx2x_phy *phy, 12130 u8 phy_index) 12131 { 12132 struct bnx2x *bp = params->bp; 12133 u32 link_config; 12134 /* Populate the default phy configuration for MF mode */ 12135 if (phy_index == EXT_PHY2) { 12136 link_config = REG_RD(bp, params->shmem_base + 12137 offsetof(struct shmem_region, dev_info. 12138 port_feature_config[params->port].link_config2)); 12139 phy->speed_cap_mask = REG_RD(bp, params->shmem_base + 12140 offsetof(struct shmem_region, 12141 dev_info. 12142 port_hw_config[params->port].speed_capability_mask2)); 12143 } else { 12144 link_config = REG_RD(bp, params->shmem_base + 12145 offsetof(struct shmem_region, dev_info. 12146 port_feature_config[params->port].link_config)); 12147 phy->speed_cap_mask = REG_RD(bp, params->shmem_base + 12148 offsetof(struct shmem_region, 12149 dev_info. 12150 port_hw_config[params->port].speed_capability_mask)); 12151 } 12152 DP(NETIF_MSG_LINK, 12153 "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n", 12154 phy_index, link_config, phy->speed_cap_mask); 12155 12156 phy->req_duplex = DUPLEX_FULL; 12157 switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) { 12158 case PORT_FEATURE_LINK_SPEED_10M_HALF: 12159 phy->req_duplex = DUPLEX_HALF; 12160 case PORT_FEATURE_LINK_SPEED_10M_FULL: 12161 phy->req_line_speed = SPEED_10; 12162 break; 12163 case PORT_FEATURE_LINK_SPEED_100M_HALF: 12164 phy->req_duplex = DUPLEX_HALF; 12165 case PORT_FEATURE_LINK_SPEED_100M_FULL: 12166 phy->req_line_speed = SPEED_100; 12167 break; 12168 case PORT_FEATURE_LINK_SPEED_1G: 12169 phy->req_line_speed = SPEED_1000; 12170 break; 12171 case PORT_FEATURE_LINK_SPEED_2_5G: 12172 phy->req_line_speed = SPEED_2500; 12173 break; 12174 case PORT_FEATURE_LINK_SPEED_10G_CX4: 12175 phy->req_line_speed = SPEED_10000; 12176 break; 12177 default: 12178 phy->req_line_speed = SPEED_AUTO_NEG; 12179 break; 12180 } 12181 12182 switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) { 12183 case PORT_FEATURE_FLOW_CONTROL_AUTO: 12184 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO; 12185 break; 12186 case PORT_FEATURE_FLOW_CONTROL_TX: 12187 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX; 12188 break; 12189 case PORT_FEATURE_FLOW_CONTROL_RX: 12190 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX; 12191 break; 12192 case PORT_FEATURE_FLOW_CONTROL_BOTH: 12193 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH; 12194 break; 12195 default: 12196 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE; 12197 break; 12198 } 12199 } 12200 12201 u32 bnx2x_phy_selection(struct link_params *params) 12202 { 12203 u32 phy_config_swapped, prio_cfg; 12204 u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT; 12205 12206 phy_config_swapped = params->multi_phy_config & 12207 PORT_HW_CFG_PHY_SWAPPED_ENABLED; 12208 12209 prio_cfg = params->multi_phy_config & 12210 PORT_HW_CFG_PHY_SELECTION_MASK; 12211 12212 if (phy_config_swapped) { 12213 switch (prio_cfg) { 12214 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY: 12215 return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY; 12216 break; 12217 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY: 12218 return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY; 12219 break; 12220 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY: 12221 return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY; 12222 break; 12223 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY: 12224 return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY; 12225 break; 12226 } 12227 } else 12228 return_cfg = prio_cfg; 12229 12230 return return_cfg; 12231 } 12232 12233 int bnx2x_phy_probe(struct link_params *params) 12234 { 12235 u8 phy_index, actual_phy_idx; 12236 u32 phy_config_swapped, sync_offset, media_types; 12237 struct bnx2x *bp = params->bp; 12238 struct bnx2x_phy *phy; 12239 params->num_phys = 0; 12240 DP(NETIF_MSG_LINK, "Begin phy probe\n"); 12241 phy_config_swapped = params->multi_phy_config & 12242 PORT_HW_CFG_PHY_SWAPPED_ENABLED; 12243 12244 for (phy_index = INT_PHY; phy_index < MAX_PHYS; 12245 phy_index++) { 12246 actual_phy_idx = phy_index; 12247 if (phy_config_swapped) { 12248 if (phy_index == EXT_PHY1) 12249 actual_phy_idx = EXT_PHY2; 12250 else if (phy_index == EXT_PHY2) 12251 actual_phy_idx = EXT_PHY1; 12252 } 12253 DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x," 12254 " actual_phy_idx %x\n", phy_config_swapped, 12255 phy_index, actual_phy_idx); 12256 phy = ¶ms->phy[actual_phy_idx]; 12257 if (bnx2x_populate_phy(bp, phy_index, params->shmem_base, 12258 params->shmem2_base, params->port, 12259 phy) != 0) { 12260 params->num_phys = 0; 12261 DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n", 12262 phy_index); 12263 for (phy_index = INT_PHY; 12264 phy_index < MAX_PHYS; 12265 phy_index++) 12266 *phy = phy_null; 12267 return -EINVAL; 12268 } 12269 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN) 12270 break; 12271 12272 if (params->feature_config_flags & 12273 FEATURE_CONFIG_DISABLE_REMOTE_FAULT_DET) 12274 phy->flags &= ~FLAGS_TX_ERROR_CHECK; 12275 12276 if (!(params->feature_config_flags & 12277 FEATURE_CONFIG_MT_SUPPORT)) 12278 phy->flags |= FLAGS_MDC_MDIO_WA_G; 12279 12280 sync_offset = params->shmem_base + 12281 offsetof(struct shmem_region, 12282 dev_info.port_hw_config[params->port].media_type); 12283 media_types = REG_RD(bp, sync_offset); 12284 12285 /* Update media type for non-PMF sync only for the first time 12286 * In case the media type changes afterwards, it will be updated 12287 * using the update_status function 12288 */ 12289 if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK << 12290 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * 12291 actual_phy_idx))) == 0) { 12292 media_types |= ((phy->media_type & 12293 PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) << 12294 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * 12295 actual_phy_idx)); 12296 } 12297 REG_WR(bp, sync_offset, media_types); 12298 12299 bnx2x_phy_def_cfg(params, phy, phy_index); 12300 params->num_phys++; 12301 } 12302 12303 DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys); 12304 return 0; 12305 } 12306 12307 static void bnx2x_init_bmac_loopback(struct link_params *params, 12308 struct link_vars *vars) 12309 { 12310 struct bnx2x *bp = params->bp; 12311 vars->link_up = 1; 12312 vars->line_speed = SPEED_10000; 12313 vars->duplex = DUPLEX_FULL; 12314 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE; 12315 vars->mac_type = MAC_TYPE_BMAC; 12316 12317 vars->phy_flags = PHY_XGXS_FLAG; 12318 12319 bnx2x_xgxs_deassert(params); 12320 12321 /* Set bmac loopback */ 12322 bnx2x_bmac_enable(params, vars, 1, 1); 12323 12324 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0); 12325 } 12326 12327 static void bnx2x_init_emac_loopback(struct link_params *params, 12328 struct link_vars *vars) 12329 { 12330 struct bnx2x *bp = params->bp; 12331 vars->link_up = 1; 12332 vars->line_speed = SPEED_1000; 12333 vars->duplex = DUPLEX_FULL; 12334 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE; 12335 vars->mac_type = MAC_TYPE_EMAC; 12336 12337 vars->phy_flags = PHY_XGXS_FLAG; 12338 12339 bnx2x_xgxs_deassert(params); 12340 /* Set bmac loopback */ 12341 bnx2x_emac_enable(params, vars, 1); 12342 bnx2x_emac_program(params, vars); 12343 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0); 12344 } 12345 12346 static void bnx2x_init_xmac_loopback(struct link_params *params, 12347 struct link_vars *vars) 12348 { 12349 struct bnx2x *bp = params->bp; 12350 vars->link_up = 1; 12351 if (!params->req_line_speed[0]) 12352 vars->line_speed = SPEED_10000; 12353 else 12354 vars->line_speed = params->req_line_speed[0]; 12355 vars->duplex = DUPLEX_FULL; 12356 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE; 12357 vars->mac_type = MAC_TYPE_XMAC; 12358 vars->phy_flags = PHY_XGXS_FLAG; 12359 /* Set WC to loopback mode since link is required to provide clock 12360 * to the XMAC in 20G mode 12361 */ 12362 bnx2x_set_aer_mmd(params, ¶ms->phy[0]); 12363 bnx2x_warpcore_reset_lane(bp, ¶ms->phy[0], 0); 12364 params->phy[INT_PHY].config_loopback( 12365 ¶ms->phy[INT_PHY], 12366 params); 12367 12368 bnx2x_xmac_enable(params, vars, 1); 12369 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0); 12370 } 12371 12372 static void bnx2x_init_umac_loopback(struct link_params *params, 12373 struct link_vars *vars) 12374 { 12375 struct bnx2x *bp = params->bp; 12376 vars->link_up = 1; 12377 vars->line_speed = SPEED_1000; 12378 vars->duplex = DUPLEX_FULL; 12379 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE; 12380 vars->mac_type = MAC_TYPE_UMAC; 12381 vars->phy_flags = PHY_XGXS_FLAG; 12382 bnx2x_umac_enable(params, vars, 1); 12383 12384 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0); 12385 } 12386 12387 static void bnx2x_init_xgxs_loopback(struct link_params *params, 12388 struct link_vars *vars) 12389 { 12390 struct bnx2x *bp = params->bp; 12391 struct bnx2x_phy *int_phy = ¶ms->phy[INT_PHY]; 12392 vars->link_up = 1; 12393 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE; 12394 vars->duplex = DUPLEX_FULL; 12395 if (params->req_line_speed[0] == SPEED_1000) 12396 vars->line_speed = SPEED_1000; 12397 else if ((params->req_line_speed[0] == SPEED_20000) || 12398 (int_phy->flags & FLAGS_WC_DUAL_MODE)) 12399 vars->line_speed = SPEED_20000; 12400 else 12401 vars->line_speed = SPEED_10000; 12402 12403 if (!USES_WARPCORE(bp)) 12404 bnx2x_xgxs_deassert(params); 12405 bnx2x_link_initialize(params, vars); 12406 12407 if (params->req_line_speed[0] == SPEED_1000) { 12408 if (USES_WARPCORE(bp)) 12409 bnx2x_umac_enable(params, vars, 0); 12410 else { 12411 bnx2x_emac_program(params, vars); 12412 bnx2x_emac_enable(params, vars, 0); 12413 } 12414 } else { 12415 if (USES_WARPCORE(bp)) 12416 bnx2x_xmac_enable(params, vars, 0); 12417 else 12418 bnx2x_bmac_enable(params, vars, 0, 1); 12419 } 12420 12421 if (params->loopback_mode == LOOPBACK_XGXS) { 12422 /* Set 10G XGXS loopback */ 12423 int_phy->config_loopback(int_phy, params); 12424 } else { 12425 /* Set external phy loopback */ 12426 u8 phy_index; 12427 for (phy_index = EXT_PHY1; 12428 phy_index < params->num_phys; phy_index++) 12429 if (params->phy[phy_index].config_loopback) 12430 params->phy[phy_index].config_loopback( 12431 ¶ms->phy[phy_index], 12432 params); 12433 } 12434 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0); 12435 12436 bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed); 12437 } 12438 12439 void bnx2x_set_rx_filter(struct link_params *params, u8 en) 12440 { 12441 struct bnx2x *bp = params->bp; 12442 u8 val = en * 0x1F; 12443 12444 /* Open / close the gate between the NIG and the BRB */ 12445 if (!CHIP_IS_E1x(bp)) 12446 val |= en * 0x20; 12447 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + params->port*4, val); 12448 12449 if (!CHIP_IS_E1(bp)) { 12450 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + params->port*4, 12451 en*0x3); 12452 } 12453 12454 REG_WR(bp, (params->port ? NIG_REG_LLH1_BRB1_NOT_MCP : 12455 NIG_REG_LLH0_BRB1_NOT_MCP), en); 12456 } 12457 static int bnx2x_avoid_link_flap(struct link_params *params, 12458 struct link_vars *vars) 12459 { 12460 u32 phy_idx; 12461 u32 dont_clear_stat, lfa_sts; 12462 struct bnx2x *bp = params->bp; 12463 12464 /* Sync the link parameters */ 12465 bnx2x_link_status_update(params, vars); 12466 12467 /* 12468 * The module verification was already done by previous link owner, 12469 * so this call is meant only to get warning message 12470 */ 12471 12472 for (phy_idx = INT_PHY; phy_idx < params->num_phys; phy_idx++) { 12473 struct bnx2x_phy *phy = ¶ms->phy[phy_idx]; 12474 if (phy->phy_specific_func) { 12475 DP(NETIF_MSG_LINK, "Calling PHY specific func\n"); 12476 phy->phy_specific_func(phy, params, PHY_INIT); 12477 } 12478 if ((phy->media_type == ETH_PHY_SFPP_10G_FIBER) || 12479 (phy->media_type == ETH_PHY_SFP_1G_FIBER) || 12480 (phy->media_type == ETH_PHY_DA_TWINAX)) 12481 bnx2x_verify_sfp_module(phy, params); 12482 } 12483 lfa_sts = REG_RD(bp, params->lfa_base + 12484 offsetof(struct shmem_lfa, 12485 lfa_sts)); 12486 12487 dont_clear_stat = lfa_sts & SHMEM_LFA_DONT_CLEAR_STAT; 12488 12489 /* Re-enable the NIG/MAC */ 12490 if (CHIP_IS_E3(bp)) { 12491 if (!dont_clear_stat) { 12492 REG_WR(bp, GRCBASE_MISC + 12493 MISC_REGISTERS_RESET_REG_2_CLEAR, 12494 (MISC_REGISTERS_RESET_REG_2_MSTAT0 << 12495 params->port)); 12496 REG_WR(bp, GRCBASE_MISC + 12497 MISC_REGISTERS_RESET_REG_2_SET, 12498 (MISC_REGISTERS_RESET_REG_2_MSTAT0 << 12499 params->port)); 12500 } 12501 if (vars->line_speed < SPEED_10000) 12502 bnx2x_umac_enable(params, vars, 0); 12503 else 12504 bnx2x_xmac_enable(params, vars, 0); 12505 } else { 12506 if (vars->line_speed < SPEED_10000) 12507 bnx2x_emac_enable(params, vars, 0); 12508 else 12509 bnx2x_bmac_enable(params, vars, 0, !dont_clear_stat); 12510 } 12511 12512 /* Increment LFA count */ 12513 lfa_sts = ((lfa_sts & ~LINK_FLAP_AVOIDANCE_COUNT_MASK) | 12514 (((((lfa_sts & LINK_FLAP_AVOIDANCE_COUNT_MASK) >> 12515 LINK_FLAP_AVOIDANCE_COUNT_OFFSET) + 1) & 0xff) 12516 << LINK_FLAP_AVOIDANCE_COUNT_OFFSET)); 12517 /* Clear link flap reason */ 12518 lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK; 12519 12520 REG_WR(bp, params->lfa_base + 12521 offsetof(struct shmem_lfa, lfa_sts), lfa_sts); 12522 12523 /* Disable NIG DRAIN */ 12524 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0); 12525 12526 /* Enable interrupts */ 12527 bnx2x_link_int_enable(params); 12528 return 0; 12529 } 12530 12531 static void bnx2x_cannot_avoid_link_flap(struct link_params *params, 12532 struct link_vars *vars, 12533 int lfa_status) 12534 { 12535 u32 lfa_sts, cfg_idx, tmp_val; 12536 struct bnx2x *bp = params->bp; 12537 12538 bnx2x_link_reset(params, vars, 1); 12539 12540 if (!params->lfa_base) 12541 return; 12542 /* Store the new link parameters */ 12543 REG_WR(bp, params->lfa_base + 12544 offsetof(struct shmem_lfa, req_duplex), 12545 params->req_duplex[0] | (params->req_duplex[1] << 16)); 12546 12547 REG_WR(bp, params->lfa_base + 12548 offsetof(struct shmem_lfa, req_flow_ctrl), 12549 params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16)); 12550 12551 REG_WR(bp, params->lfa_base + 12552 offsetof(struct shmem_lfa, req_line_speed), 12553 params->req_line_speed[0] | (params->req_line_speed[1] << 16)); 12554 12555 for (cfg_idx = 0; cfg_idx < SHMEM_LINK_CONFIG_SIZE; cfg_idx++) { 12556 REG_WR(bp, params->lfa_base + 12557 offsetof(struct shmem_lfa, 12558 speed_cap_mask[cfg_idx]), 12559 params->speed_cap_mask[cfg_idx]); 12560 } 12561 12562 tmp_val = REG_RD(bp, params->lfa_base + 12563 offsetof(struct shmem_lfa, additional_config)); 12564 tmp_val &= ~REQ_FC_AUTO_ADV_MASK; 12565 tmp_val |= params->req_fc_auto_adv; 12566 12567 REG_WR(bp, params->lfa_base + 12568 offsetof(struct shmem_lfa, additional_config), tmp_val); 12569 12570 lfa_sts = REG_RD(bp, params->lfa_base + 12571 offsetof(struct shmem_lfa, lfa_sts)); 12572 12573 /* Clear the "Don't Clear Statistics" bit, and set reason */ 12574 lfa_sts &= ~SHMEM_LFA_DONT_CLEAR_STAT; 12575 12576 /* Set link flap reason */ 12577 lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK; 12578 lfa_sts |= ((lfa_status & LFA_LINK_FLAP_REASON_MASK) << 12579 LFA_LINK_FLAP_REASON_OFFSET); 12580 12581 /* Increment link flap counter */ 12582 lfa_sts = ((lfa_sts & ~LINK_FLAP_COUNT_MASK) | 12583 (((((lfa_sts & LINK_FLAP_COUNT_MASK) >> 12584 LINK_FLAP_COUNT_OFFSET) + 1) & 0xff) 12585 << LINK_FLAP_COUNT_OFFSET)); 12586 REG_WR(bp, params->lfa_base + 12587 offsetof(struct shmem_lfa, lfa_sts), lfa_sts); 12588 /* Proceed with regular link initialization */ 12589 } 12590 12591 int bnx2x_phy_init(struct link_params *params, struct link_vars *vars) 12592 { 12593 int lfa_status; 12594 struct bnx2x *bp = params->bp; 12595 DP(NETIF_MSG_LINK, "Phy Initialization started\n"); 12596 DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n", 12597 params->req_line_speed[0], params->req_flow_ctrl[0]); 12598 DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n", 12599 params->req_line_speed[1], params->req_flow_ctrl[1]); 12600 DP(NETIF_MSG_LINK, "req_adv_flow_ctrl 0x%x\n", params->req_fc_auto_adv); 12601 vars->link_status = 0; 12602 vars->phy_link_up = 0; 12603 vars->link_up = 0; 12604 vars->line_speed = 0; 12605 vars->duplex = DUPLEX_FULL; 12606 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE; 12607 vars->mac_type = MAC_TYPE_NONE; 12608 vars->phy_flags = 0; 12609 vars->check_kr2_recovery_cnt = 0; 12610 params->link_flags = PHY_INITIALIZED; 12611 /* Driver opens NIG-BRB filters */ 12612 bnx2x_set_rx_filter(params, 1); 12613 /* Check if link flap can be avoided */ 12614 lfa_status = bnx2x_check_lfa(params); 12615 12616 if (lfa_status == 0) { 12617 DP(NETIF_MSG_LINK, "Link Flap Avoidance in progress\n"); 12618 return bnx2x_avoid_link_flap(params, vars); 12619 } 12620 12621 DP(NETIF_MSG_LINK, "Cannot avoid link flap lfa_sta=0x%x\n", 12622 lfa_status); 12623 bnx2x_cannot_avoid_link_flap(params, vars, lfa_status); 12624 12625 /* Disable attentions */ 12626 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4, 12627 (NIG_MASK_XGXS0_LINK_STATUS | 12628 NIG_MASK_XGXS0_LINK10G | 12629 NIG_MASK_SERDES0_LINK_STATUS | 12630 NIG_MASK_MI_INT)); 12631 12632 bnx2x_emac_init(params, vars); 12633 12634 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) 12635 vars->link_status |= LINK_STATUS_PFC_ENABLED; 12636 12637 if (params->num_phys == 0) { 12638 DP(NETIF_MSG_LINK, "No phy found for initialization !!\n"); 12639 return -EINVAL; 12640 } 12641 set_phy_vars(params, vars); 12642 12643 DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys); 12644 switch (params->loopback_mode) { 12645 case LOOPBACK_BMAC: 12646 bnx2x_init_bmac_loopback(params, vars); 12647 break; 12648 case LOOPBACK_EMAC: 12649 bnx2x_init_emac_loopback(params, vars); 12650 break; 12651 case LOOPBACK_XMAC: 12652 bnx2x_init_xmac_loopback(params, vars); 12653 break; 12654 case LOOPBACK_UMAC: 12655 bnx2x_init_umac_loopback(params, vars); 12656 break; 12657 case LOOPBACK_XGXS: 12658 case LOOPBACK_EXT_PHY: 12659 bnx2x_init_xgxs_loopback(params, vars); 12660 break; 12661 default: 12662 if (!CHIP_IS_E3(bp)) { 12663 if (params->switch_cfg == SWITCH_CFG_10G) 12664 bnx2x_xgxs_deassert(params); 12665 else 12666 bnx2x_serdes_deassert(bp, params->port); 12667 } 12668 bnx2x_link_initialize(params, vars); 12669 msleep(30); 12670 bnx2x_link_int_enable(params); 12671 break; 12672 } 12673 bnx2x_update_mng(params, vars->link_status); 12674 12675 bnx2x_update_mng_eee(params, vars->eee_status); 12676 return 0; 12677 } 12678 12679 int bnx2x_link_reset(struct link_params *params, struct link_vars *vars, 12680 u8 reset_ext_phy) 12681 { 12682 struct bnx2x *bp = params->bp; 12683 u8 phy_index, port = params->port, clear_latch_ind = 0; 12684 DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port); 12685 /* Disable attentions */ 12686 vars->link_status = 0; 12687 bnx2x_update_mng(params, vars->link_status); 12688 vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK | 12689 SHMEM_EEE_ACTIVE_BIT); 12690 bnx2x_update_mng_eee(params, vars->eee_status); 12691 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 12692 (NIG_MASK_XGXS0_LINK_STATUS | 12693 NIG_MASK_XGXS0_LINK10G | 12694 NIG_MASK_SERDES0_LINK_STATUS | 12695 NIG_MASK_MI_INT)); 12696 12697 /* Activate nig drain */ 12698 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1); 12699 12700 /* Disable nig egress interface */ 12701 if (!CHIP_IS_E3(bp)) { 12702 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0); 12703 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0); 12704 } 12705 12706 if (!CHIP_IS_E3(bp)) { 12707 bnx2x_set_bmac_rx(bp, params->chip_id, port, 0); 12708 } else { 12709 bnx2x_set_xmac_rxtx(params, 0); 12710 bnx2x_set_umac_rxtx(params, 0); 12711 } 12712 /* Disable emac */ 12713 if (!CHIP_IS_E3(bp)) 12714 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0); 12715 12716 usleep_range(10000, 20000); 12717 /* The PHY reset is controlled by GPIO 1 12718 * Hold it as vars low 12719 */ 12720 /* Clear link led */ 12721 bnx2x_set_mdio_emac_per_phy(bp, params); 12722 bnx2x_set_led(params, vars, LED_MODE_OFF, 0); 12723 12724 if (reset_ext_phy) { 12725 for (phy_index = EXT_PHY1; phy_index < params->num_phys; 12726 phy_index++) { 12727 if (params->phy[phy_index].link_reset) { 12728 bnx2x_set_aer_mmd(params, 12729 ¶ms->phy[phy_index]); 12730 params->phy[phy_index].link_reset( 12731 ¶ms->phy[phy_index], 12732 params); 12733 } 12734 if (params->phy[phy_index].flags & 12735 FLAGS_REARM_LATCH_SIGNAL) 12736 clear_latch_ind = 1; 12737 } 12738 } 12739 12740 if (clear_latch_ind) { 12741 /* Clear latching indication */ 12742 bnx2x_rearm_latch_signal(bp, port, 0); 12743 bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4, 12744 1 << NIG_LATCH_BC_ENABLE_MI_INT); 12745 } 12746 if (params->phy[INT_PHY].link_reset) 12747 params->phy[INT_PHY].link_reset( 12748 ¶ms->phy[INT_PHY], params); 12749 12750 /* Disable nig ingress interface */ 12751 if (!CHIP_IS_E3(bp)) { 12752 /* Reset BigMac */ 12753 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 12754 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port)); 12755 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0); 12756 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0); 12757 } else { 12758 u32 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0; 12759 bnx2x_set_xumac_nig(params, 0, 0); 12760 if (REG_RD(bp, MISC_REG_RESET_REG_2) & 12761 MISC_REGISTERS_RESET_REG_2_XMAC) 12762 REG_WR(bp, xmac_base + XMAC_REG_CTRL, 12763 XMAC_CTRL_REG_SOFT_RESET); 12764 } 12765 vars->link_up = 0; 12766 vars->phy_flags = 0; 12767 return 0; 12768 } 12769 int bnx2x_lfa_reset(struct link_params *params, 12770 struct link_vars *vars) 12771 { 12772 struct bnx2x *bp = params->bp; 12773 vars->link_up = 0; 12774 vars->phy_flags = 0; 12775 params->link_flags &= ~PHY_INITIALIZED; 12776 if (!params->lfa_base) 12777 return bnx2x_link_reset(params, vars, 1); 12778 /* 12779 * Activate NIG drain so that during this time the device won't send 12780 * anything while it is unable to response. 12781 */ 12782 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1); 12783 12784 /* 12785 * Close gracefully the gate from BMAC to NIG such that no half packets 12786 * are passed. 12787 */ 12788 if (!CHIP_IS_E3(bp)) 12789 bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0); 12790 12791 if (CHIP_IS_E3(bp)) { 12792 bnx2x_set_xmac_rxtx(params, 0); 12793 bnx2x_set_umac_rxtx(params, 0); 12794 } 12795 /* Wait 10ms for the pipe to clean up*/ 12796 usleep_range(10000, 20000); 12797 12798 /* Clean the NIG-BRB using the network filters in a way that will 12799 * not cut a packet in the middle. 12800 */ 12801 bnx2x_set_rx_filter(params, 0); 12802 12803 /* 12804 * Re-open the gate between the BMAC and the NIG, after verifying the 12805 * gate to the BRB is closed, otherwise packets may arrive to the 12806 * firmware before driver had initialized it. The target is to achieve 12807 * minimum management protocol down time. 12808 */ 12809 if (!CHIP_IS_E3(bp)) 12810 bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 1); 12811 12812 if (CHIP_IS_E3(bp)) { 12813 bnx2x_set_xmac_rxtx(params, 1); 12814 bnx2x_set_umac_rxtx(params, 1); 12815 } 12816 /* Disable NIG drain */ 12817 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0); 12818 return 0; 12819 } 12820 12821 /****************************************************************************/ 12822 /* Common function */ 12823 /****************************************************************************/ 12824 static int bnx2x_8073_common_init_phy(struct bnx2x *bp, 12825 u32 shmem_base_path[], 12826 u32 shmem2_base_path[], u8 phy_index, 12827 u32 chip_id) 12828 { 12829 struct bnx2x_phy phy[PORT_MAX]; 12830 struct bnx2x_phy *phy_blk[PORT_MAX]; 12831 u16 val; 12832 s8 port = 0; 12833 s8 port_of_path = 0; 12834 u32 swap_val, swap_override; 12835 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP); 12836 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE); 12837 port ^= (swap_val && swap_override); 12838 bnx2x_ext_phy_hw_reset(bp, port); 12839 /* PART1 - Reset both phys */ 12840 for (port = PORT_MAX - 1; port >= PORT_0; port--) { 12841 u32 shmem_base, shmem2_base; 12842 /* In E2, same phy is using for port0 of the two paths */ 12843 if (CHIP_IS_E1x(bp)) { 12844 shmem_base = shmem_base_path[0]; 12845 shmem2_base = shmem2_base_path[0]; 12846 port_of_path = port; 12847 } else { 12848 shmem_base = shmem_base_path[port]; 12849 shmem2_base = shmem2_base_path[port]; 12850 port_of_path = 0; 12851 } 12852 12853 /* Extract the ext phy address for the port */ 12854 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base, 12855 port_of_path, &phy[port]) != 12856 0) { 12857 DP(NETIF_MSG_LINK, "populate_phy failed\n"); 12858 return -EINVAL; 12859 } 12860 /* Disable attentions */ 12861 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + 12862 port_of_path*4, 12863 (NIG_MASK_XGXS0_LINK_STATUS | 12864 NIG_MASK_XGXS0_LINK10G | 12865 NIG_MASK_SERDES0_LINK_STATUS | 12866 NIG_MASK_MI_INT)); 12867 12868 /* Need to take the phy out of low power mode in order 12869 * to write to access its registers 12870 */ 12871 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, 12872 MISC_REGISTERS_GPIO_OUTPUT_HIGH, 12873 port); 12874 12875 /* Reset the phy */ 12876 bnx2x_cl45_write(bp, &phy[port], 12877 MDIO_PMA_DEVAD, 12878 MDIO_PMA_REG_CTRL, 12879 1<<15); 12880 } 12881 12882 /* Add delay of 150ms after reset */ 12883 msleep(150); 12884 12885 if (phy[PORT_0].addr & 0x1) { 12886 phy_blk[PORT_0] = &(phy[PORT_1]); 12887 phy_blk[PORT_1] = &(phy[PORT_0]); 12888 } else { 12889 phy_blk[PORT_0] = &(phy[PORT_0]); 12890 phy_blk[PORT_1] = &(phy[PORT_1]); 12891 } 12892 12893 /* PART2 - Download firmware to both phys */ 12894 for (port = PORT_MAX - 1; port >= PORT_0; port--) { 12895 if (CHIP_IS_E1x(bp)) 12896 port_of_path = port; 12897 else 12898 port_of_path = 0; 12899 12900 DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n", 12901 phy_blk[port]->addr); 12902 if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port], 12903 port_of_path)) 12904 return -EINVAL; 12905 12906 /* Only set bit 10 = 1 (Tx power down) */ 12907 bnx2x_cl45_read(bp, phy_blk[port], 12908 MDIO_PMA_DEVAD, 12909 MDIO_PMA_REG_TX_POWER_DOWN, &val); 12910 12911 /* Phase1 of TX_POWER_DOWN reset */ 12912 bnx2x_cl45_write(bp, phy_blk[port], 12913 MDIO_PMA_DEVAD, 12914 MDIO_PMA_REG_TX_POWER_DOWN, 12915 (val | 1<<10)); 12916 } 12917 12918 /* Toggle Transmitter: Power down and then up with 600ms delay 12919 * between 12920 */ 12921 msleep(600); 12922 12923 /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */ 12924 for (port = PORT_MAX - 1; port >= PORT_0; port--) { 12925 /* Phase2 of POWER_DOWN_RESET */ 12926 /* Release bit 10 (Release Tx power down) */ 12927 bnx2x_cl45_read(bp, phy_blk[port], 12928 MDIO_PMA_DEVAD, 12929 MDIO_PMA_REG_TX_POWER_DOWN, &val); 12930 12931 bnx2x_cl45_write(bp, phy_blk[port], 12932 MDIO_PMA_DEVAD, 12933 MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10)))); 12934 usleep_range(15000, 30000); 12935 12936 /* Read modify write the SPI-ROM version select register */ 12937 bnx2x_cl45_read(bp, phy_blk[port], 12938 MDIO_PMA_DEVAD, 12939 MDIO_PMA_REG_EDC_FFE_MAIN, &val); 12940 bnx2x_cl45_write(bp, phy_blk[port], 12941 MDIO_PMA_DEVAD, 12942 MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12))); 12943 12944 /* set GPIO2 back to LOW */ 12945 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, 12946 MISC_REGISTERS_GPIO_OUTPUT_LOW, port); 12947 } 12948 return 0; 12949 } 12950 static int bnx2x_8726_common_init_phy(struct bnx2x *bp, 12951 u32 shmem_base_path[], 12952 u32 shmem2_base_path[], u8 phy_index, 12953 u32 chip_id) 12954 { 12955 u32 val; 12956 s8 port; 12957 struct bnx2x_phy phy; 12958 /* Use port1 because of the static port-swap */ 12959 /* Enable the module detection interrupt */ 12960 val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN); 12961 val |= ((1<<MISC_REGISTERS_GPIO_3)| 12962 (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT))); 12963 REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val); 12964 12965 bnx2x_ext_phy_hw_reset(bp, 0); 12966 usleep_range(5000, 10000); 12967 for (port = 0; port < PORT_MAX; port++) { 12968 u32 shmem_base, shmem2_base; 12969 12970 /* In E2, same phy is using for port0 of the two paths */ 12971 if (CHIP_IS_E1x(bp)) { 12972 shmem_base = shmem_base_path[0]; 12973 shmem2_base = shmem2_base_path[0]; 12974 } else { 12975 shmem_base = shmem_base_path[port]; 12976 shmem2_base = shmem2_base_path[port]; 12977 } 12978 /* Extract the ext phy address for the port */ 12979 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base, 12980 port, &phy) != 12981 0) { 12982 DP(NETIF_MSG_LINK, "populate phy failed\n"); 12983 return -EINVAL; 12984 } 12985 12986 /* Reset phy*/ 12987 bnx2x_cl45_write(bp, &phy, 12988 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001); 12989 12990 12991 /* Set fault module detected LED on */ 12992 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0, 12993 MISC_REGISTERS_GPIO_HIGH, 12994 port); 12995 } 12996 12997 return 0; 12998 } 12999 static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base, 13000 u8 *io_gpio, u8 *io_port) 13001 { 13002 13003 u32 phy_gpio_reset = REG_RD(bp, shmem_base + 13004 offsetof(struct shmem_region, 13005 dev_info.port_hw_config[PORT_0].default_cfg)); 13006 switch (phy_gpio_reset) { 13007 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0: 13008 *io_gpio = 0; 13009 *io_port = 0; 13010 break; 13011 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0: 13012 *io_gpio = 1; 13013 *io_port = 0; 13014 break; 13015 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0: 13016 *io_gpio = 2; 13017 *io_port = 0; 13018 break; 13019 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0: 13020 *io_gpio = 3; 13021 *io_port = 0; 13022 break; 13023 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1: 13024 *io_gpio = 0; 13025 *io_port = 1; 13026 break; 13027 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1: 13028 *io_gpio = 1; 13029 *io_port = 1; 13030 break; 13031 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1: 13032 *io_gpio = 2; 13033 *io_port = 1; 13034 break; 13035 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1: 13036 *io_gpio = 3; 13037 *io_port = 1; 13038 break; 13039 default: 13040 /* Don't override the io_gpio and io_port */ 13041 break; 13042 } 13043 } 13044 13045 static int bnx2x_8727_common_init_phy(struct bnx2x *bp, 13046 u32 shmem_base_path[], 13047 u32 shmem2_base_path[], u8 phy_index, 13048 u32 chip_id) 13049 { 13050 s8 port, reset_gpio; 13051 u32 swap_val, swap_override; 13052 struct bnx2x_phy phy[PORT_MAX]; 13053 struct bnx2x_phy *phy_blk[PORT_MAX]; 13054 s8 port_of_path; 13055 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP); 13056 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE); 13057 13058 reset_gpio = MISC_REGISTERS_GPIO_1; 13059 port = 1; 13060 13061 /* Retrieve the reset gpio/port which control the reset. 13062 * Default is GPIO1, PORT1 13063 */ 13064 bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0], 13065 (u8 *)&reset_gpio, (u8 *)&port); 13066 13067 /* Calculate the port based on port swap */ 13068 port ^= (swap_val && swap_override); 13069 13070 /* Initiate PHY reset*/ 13071 bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW, 13072 port); 13073 usleep_range(1000, 2000); 13074 bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH, 13075 port); 13076 13077 usleep_range(5000, 10000); 13078 13079 /* PART1 - Reset both phys */ 13080 for (port = PORT_MAX - 1; port >= PORT_0; port--) { 13081 u32 shmem_base, shmem2_base; 13082 13083 /* In E2, same phy is using for port0 of the two paths */ 13084 if (CHIP_IS_E1x(bp)) { 13085 shmem_base = shmem_base_path[0]; 13086 shmem2_base = shmem2_base_path[0]; 13087 port_of_path = port; 13088 } else { 13089 shmem_base = shmem_base_path[port]; 13090 shmem2_base = shmem2_base_path[port]; 13091 port_of_path = 0; 13092 } 13093 13094 /* Extract the ext phy address for the port */ 13095 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base, 13096 port_of_path, &phy[port]) != 13097 0) { 13098 DP(NETIF_MSG_LINK, "populate phy failed\n"); 13099 return -EINVAL; 13100 } 13101 /* disable attentions */ 13102 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + 13103 port_of_path*4, 13104 (NIG_MASK_XGXS0_LINK_STATUS | 13105 NIG_MASK_XGXS0_LINK10G | 13106 NIG_MASK_SERDES0_LINK_STATUS | 13107 NIG_MASK_MI_INT)); 13108 13109 13110 /* Reset the phy */ 13111 bnx2x_cl45_write(bp, &phy[port], 13112 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15); 13113 } 13114 13115 /* Add delay of 150ms after reset */ 13116 msleep(150); 13117 if (phy[PORT_0].addr & 0x1) { 13118 phy_blk[PORT_0] = &(phy[PORT_1]); 13119 phy_blk[PORT_1] = &(phy[PORT_0]); 13120 } else { 13121 phy_blk[PORT_0] = &(phy[PORT_0]); 13122 phy_blk[PORT_1] = &(phy[PORT_1]); 13123 } 13124 /* PART2 - Download firmware to both phys */ 13125 for (port = PORT_MAX - 1; port >= PORT_0; port--) { 13126 if (CHIP_IS_E1x(bp)) 13127 port_of_path = port; 13128 else 13129 port_of_path = 0; 13130 DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n", 13131 phy_blk[port]->addr); 13132 if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port], 13133 port_of_path)) 13134 return -EINVAL; 13135 /* Disable PHY transmitter output */ 13136 bnx2x_cl45_write(bp, phy_blk[port], 13137 MDIO_PMA_DEVAD, 13138 MDIO_PMA_REG_TX_DISABLE, 1); 13139 13140 } 13141 return 0; 13142 } 13143 13144 static int bnx2x_84833_common_init_phy(struct bnx2x *bp, 13145 u32 shmem_base_path[], 13146 u32 shmem2_base_path[], 13147 u8 phy_index, 13148 u32 chip_id) 13149 { 13150 u8 reset_gpios; 13151 reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id); 13152 bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW); 13153 udelay(10); 13154 bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH); 13155 DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n", 13156 reset_gpios); 13157 return 0; 13158 } 13159 13160 static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[], 13161 u32 shmem2_base_path[], u8 phy_index, 13162 u32 ext_phy_type, u32 chip_id) 13163 { 13164 int rc = 0; 13165 13166 switch (ext_phy_type) { 13167 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073: 13168 rc = bnx2x_8073_common_init_phy(bp, shmem_base_path, 13169 shmem2_base_path, 13170 phy_index, chip_id); 13171 break; 13172 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722: 13173 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727: 13174 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC: 13175 rc = bnx2x_8727_common_init_phy(bp, shmem_base_path, 13176 shmem2_base_path, 13177 phy_index, chip_id); 13178 break; 13179 13180 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726: 13181 /* GPIO1 affects both ports, so there's need to pull 13182 * it for single port alone 13183 */ 13184 rc = bnx2x_8726_common_init_phy(bp, shmem_base_path, 13185 shmem2_base_path, 13186 phy_index, chip_id); 13187 break; 13188 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833: 13189 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834: 13190 /* GPIO3's are linked, and so both need to be toggled 13191 * to obtain required 2us pulse. 13192 */ 13193 rc = bnx2x_84833_common_init_phy(bp, shmem_base_path, 13194 shmem2_base_path, 13195 phy_index, chip_id); 13196 break; 13197 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE: 13198 rc = -EINVAL; 13199 break; 13200 default: 13201 DP(NETIF_MSG_LINK, 13202 "ext_phy 0x%x common init not required\n", 13203 ext_phy_type); 13204 break; 13205 } 13206 13207 if (rc) 13208 netdev_err(bp->dev, "Warning: PHY was not initialized," 13209 " Port %d\n", 13210 0); 13211 return rc; 13212 } 13213 13214 int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[], 13215 u32 shmem2_base_path[], u32 chip_id) 13216 { 13217 int rc = 0; 13218 u32 phy_ver, val; 13219 u8 phy_index = 0; 13220 u32 ext_phy_type, ext_phy_config; 13221 13222 bnx2x_set_mdio_clk(bp, chip_id, GRCBASE_EMAC0); 13223 bnx2x_set_mdio_clk(bp, chip_id, GRCBASE_EMAC1); 13224 DP(NETIF_MSG_LINK, "Begin common phy init\n"); 13225 if (CHIP_IS_E3(bp)) { 13226 /* Enable EPIO */ 13227 val = REG_RD(bp, MISC_REG_GEN_PURP_HWG); 13228 REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1); 13229 } 13230 /* Check if common init was already done */ 13231 phy_ver = REG_RD(bp, shmem_base_path[0] + 13232 offsetof(struct shmem_region, 13233 port_mb[PORT_0].ext_phy_fw_version)); 13234 if (phy_ver) { 13235 DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n", 13236 phy_ver); 13237 return 0; 13238 } 13239 13240 /* Read the ext_phy_type for arbitrary port(0) */ 13241 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS; 13242 phy_index++) { 13243 ext_phy_config = bnx2x_get_ext_phy_config(bp, 13244 shmem_base_path[0], 13245 phy_index, 0); 13246 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config); 13247 rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path, 13248 shmem2_base_path, 13249 phy_index, ext_phy_type, 13250 chip_id); 13251 } 13252 return rc; 13253 } 13254 13255 static void bnx2x_check_over_curr(struct link_params *params, 13256 struct link_vars *vars) 13257 { 13258 struct bnx2x *bp = params->bp; 13259 u32 cfg_pin; 13260 u8 port = params->port; 13261 u32 pin_val; 13262 13263 cfg_pin = (REG_RD(bp, params->shmem_base + 13264 offsetof(struct shmem_region, 13265 dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) & 13266 PORT_HW_CFG_E3_OVER_CURRENT_MASK) >> 13267 PORT_HW_CFG_E3_OVER_CURRENT_SHIFT; 13268 13269 /* Ignore check if no external input PIN available */ 13270 if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0) 13271 return; 13272 13273 if (!pin_val) { 13274 if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) { 13275 netdev_err(bp->dev, "Error: Power fault on Port %d has" 13276 " been detected and the power to " 13277 "that SFP+ module has been removed" 13278 " to prevent failure of the card." 13279 " Please remove the SFP+ module and" 13280 " restart the system to clear this" 13281 " error.\n", 13282 params->port); 13283 vars->phy_flags |= PHY_OVER_CURRENT_FLAG; 13284 bnx2x_warpcore_power_module(params, 0); 13285 } 13286 } else 13287 vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG; 13288 } 13289 13290 /* Returns 0 if no change occured since last check; 1 otherwise. */ 13291 static u8 bnx2x_analyze_link_error(struct link_params *params, 13292 struct link_vars *vars, u32 status, 13293 u32 phy_flag, u32 link_flag, u8 notify) 13294 { 13295 struct bnx2x *bp = params->bp; 13296 /* Compare new value with previous value */ 13297 u8 led_mode; 13298 u32 old_status = (vars->phy_flags & phy_flag) ? 1 : 0; 13299 13300 if ((status ^ old_status) == 0) 13301 return 0; 13302 13303 /* If values differ */ 13304 switch (phy_flag) { 13305 case PHY_HALF_OPEN_CONN_FLAG: 13306 DP(NETIF_MSG_LINK, "Analyze Remote Fault\n"); 13307 break; 13308 case PHY_SFP_TX_FAULT_FLAG: 13309 DP(NETIF_MSG_LINK, "Analyze TX Fault\n"); 13310 break; 13311 default: 13312 DP(NETIF_MSG_LINK, "Analyze UNKNOWN\n"); 13313 } 13314 DP(NETIF_MSG_LINK, "Link changed:[%x %x]->%x\n", vars->link_up, 13315 old_status, status); 13316 13317 /* Do not touch the link in case physical link down */ 13318 if ((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0) 13319 return 1; 13320 13321 /* a. Update shmem->link_status accordingly 13322 * b. Update link_vars->link_up 13323 */ 13324 if (status) { 13325 vars->link_status &= ~LINK_STATUS_LINK_UP; 13326 vars->link_status |= link_flag; 13327 vars->link_up = 0; 13328 vars->phy_flags |= phy_flag; 13329 13330 /* activate nig drain */ 13331 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1); 13332 /* Set LED mode to off since the PHY doesn't know about these 13333 * errors 13334 */ 13335 led_mode = LED_MODE_OFF; 13336 } else { 13337 vars->link_status |= LINK_STATUS_LINK_UP; 13338 vars->link_status &= ~link_flag; 13339 vars->link_up = 1; 13340 vars->phy_flags &= ~phy_flag; 13341 led_mode = LED_MODE_OPER; 13342 13343 /* Clear nig drain */ 13344 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0); 13345 } 13346 bnx2x_sync_link(params, vars); 13347 /* Update the LED according to the link state */ 13348 bnx2x_set_led(params, vars, led_mode, SPEED_10000); 13349 13350 /* Update link status in the shared memory */ 13351 bnx2x_update_mng(params, vars->link_status); 13352 13353 /* C. Trigger General Attention */ 13354 vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT; 13355 if (notify) 13356 bnx2x_notify_link_changed(bp); 13357 13358 return 1; 13359 } 13360 13361 /****************************************************************************** 13362 * Description: 13363 * This function checks for half opened connection change indication. 13364 * When such change occurs, it calls the bnx2x_analyze_link_error 13365 * to check if Remote Fault is set or cleared. Reception of remote fault 13366 * status message in the MAC indicates that the peer's MAC has detected 13367 * a fault, for example, due to break in the TX side of fiber. 13368 * 13369 ******************************************************************************/ 13370 static int bnx2x_check_half_open_conn(struct link_params *params, 13371 struct link_vars *vars, 13372 u8 notify) 13373 { 13374 struct bnx2x *bp = params->bp; 13375 u32 lss_status = 0; 13376 u32 mac_base; 13377 /* In case link status is physically up @ 10G do */ 13378 if (((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0) || 13379 (REG_RD(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4))) 13380 return 0; 13381 13382 if (CHIP_IS_E3(bp) && 13383 (REG_RD(bp, MISC_REG_RESET_REG_2) & 13384 (MISC_REGISTERS_RESET_REG_2_XMAC))) { 13385 /* Check E3 XMAC */ 13386 /* Note that link speed cannot be queried here, since it may be 13387 * zero while link is down. In case UMAC is active, LSS will 13388 * simply not be set 13389 */ 13390 mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0; 13391 13392 /* Clear stick bits (Requires rising edge) */ 13393 REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0); 13394 REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 13395 XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS | 13396 XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS); 13397 if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS)) 13398 lss_status = 1; 13399 13400 bnx2x_analyze_link_error(params, vars, lss_status, 13401 PHY_HALF_OPEN_CONN_FLAG, 13402 LINK_STATUS_NONE, notify); 13403 } else if (REG_RD(bp, MISC_REG_RESET_REG_2) & 13404 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) { 13405 /* Check E1X / E2 BMAC */ 13406 u32 lss_status_reg; 13407 u32 wb_data[2]; 13408 mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM : 13409 NIG_REG_INGRESS_BMAC0_MEM; 13410 /* Read BIGMAC_REGISTER_RX_LSS_STATUS */ 13411 if (CHIP_IS_E2(bp)) 13412 lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT; 13413 else 13414 lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS; 13415 13416 REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2); 13417 lss_status = (wb_data[0] > 0); 13418 13419 bnx2x_analyze_link_error(params, vars, lss_status, 13420 PHY_HALF_OPEN_CONN_FLAG, 13421 LINK_STATUS_NONE, notify); 13422 } 13423 return 0; 13424 } 13425 static void bnx2x_sfp_tx_fault_detection(struct bnx2x_phy *phy, 13426 struct link_params *params, 13427 struct link_vars *vars) 13428 { 13429 struct bnx2x *bp = params->bp; 13430 u32 cfg_pin, value = 0; 13431 u8 led_change, port = params->port; 13432 13433 /* Get The SFP+ TX_Fault controlling pin ([eg]pio) */ 13434 cfg_pin = (REG_RD(bp, params->shmem_base + offsetof(struct shmem_region, 13435 dev_info.port_hw_config[port].e3_cmn_pin_cfg)) & 13436 PORT_HW_CFG_E3_TX_FAULT_MASK) >> 13437 PORT_HW_CFG_E3_TX_FAULT_SHIFT; 13438 13439 if (bnx2x_get_cfg_pin(bp, cfg_pin, &value)) { 13440 DP(NETIF_MSG_LINK, "Failed to read pin 0x%02x\n", cfg_pin); 13441 return; 13442 } 13443 13444 led_change = bnx2x_analyze_link_error(params, vars, value, 13445 PHY_SFP_TX_FAULT_FLAG, 13446 LINK_STATUS_SFP_TX_FAULT, 1); 13447 13448 if (led_change) { 13449 /* Change TX_Fault led, set link status for further syncs */ 13450 u8 led_mode; 13451 13452 if (vars->phy_flags & PHY_SFP_TX_FAULT_FLAG) { 13453 led_mode = MISC_REGISTERS_GPIO_HIGH; 13454 vars->link_status |= LINK_STATUS_SFP_TX_FAULT; 13455 } else { 13456 led_mode = MISC_REGISTERS_GPIO_LOW; 13457 vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT; 13458 } 13459 13460 /* If module is unapproved, led should be on regardless */ 13461 if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) { 13462 DP(NETIF_MSG_LINK, "Change TX_Fault LED: ->%x\n", 13463 led_mode); 13464 bnx2x_set_e3_module_fault_led(params, led_mode); 13465 } 13466 } 13467 } 13468 static void bnx2x_kr2_recovery(struct link_params *params, 13469 struct link_vars *vars, 13470 struct bnx2x_phy *phy) 13471 { 13472 struct bnx2x *bp = params->bp; 13473 DP(NETIF_MSG_LINK, "KR2 recovery\n"); 13474 bnx2x_warpcore_enable_AN_KR2(phy, params, vars); 13475 bnx2x_warpcore_restart_AN_KR(phy, params); 13476 } 13477 13478 static void bnx2x_check_kr2_wa(struct link_params *params, 13479 struct link_vars *vars, 13480 struct bnx2x_phy *phy) 13481 { 13482 struct bnx2x *bp = params->bp; 13483 u16 base_page, next_page, not_kr2_device, lane; 13484 int sigdet; 13485 13486 /* Once KR2 was disabled, wait 5 seconds before checking KR2 recovery 13487 * Since some switches tend to reinit the AN process and clear the 13488 * the advertised BP/NP after ~2 seconds causing the KR2 to be disabled 13489 * and recovered many times 13490 */ 13491 if (vars->check_kr2_recovery_cnt > 0) { 13492 vars->check_kr2_recovery_cnt--; 13493 return; 13494 } 13495 13496 sigdet = bnx2x_warpcore_get_sigdet(phy, params); 13497 if (!sigdet) { 13498 if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) { 13499 bnx2x_kr2_recovery(params, vars, phy); 13500 DP(NETIF_MSG_LINK, "No sigdet\n"); 13501 } 13502 return; 13503 } 13504 13505 lane = bnx2x_get_warpcore_lane(phy, params); 13506 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK, 13507 MDIO_AER_BLOCK_AER_REG, lane); 13508 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, 13509 MDIO_AN_REG_LP_AUTO_NEG, &base_page); 13510 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, 13511 MDIO_AN_REG_LP_AUTO_NEG2, &next_page); 13512 bnx2x_set_aer_mmd(params, phy); 13513 13514 /* CL73 has not begun yet */ 13515 if (base_page == 0) { 13516 if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) { 13517 bnx2x_kr2_recovery(params, vars, phy); 13518 DP(NETIF_MSG_LINK, "No BP\n"); 13519 } 13520 return; 13521 } 13522 13523 /* In case NP bit is not set in the BasePage, or it is set, 13524 * but only KX is advertised, declare this link partner as non-KR2 13525 * device. 13526 */ 13527 not_kr2_device = (((base_page & 0x8000) == 0) || 13528 (((base_page & 0x8000) && 13529 ((next_page & 0xe0) == 0x20)))); 13530 13531 /* In case KR2 is already disabled, check if we need to re-enable it */ 13532 if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) { 13533 if (!not_kr2_device) { 13534 DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page, 13535 next_page); 13536 bnx2x_kr2_recovery(params, vars, phy); 13537 } 13538 return; 13539 } 13540 /* KR2 is enabled, but not KR2 device */ 13541 if (not_kr2_device) { 13542 /* Disable KR2 on both lanes */ 13543 DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page, next_page); 13544 bnx2x_disable_kr2(params, vars, phy); 13545 /* Restart AN on leading lane */ 13546 bnx2x_warpcore_restart_AN_KR(phy, params); 13547 return; 13548 } 13549 } 13550 13551 void bnx2x_period_func(struct link_params *params, struct link_vars *vars) 13552 { 13553 u16 phy_idx; 13554 struct bnx2x *bp = params->bp; 13555 for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) { 13556 if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) { 13557 bnx2x_set_aer_mmd(params, ¶ms->phy[phy_idx]); 13558 if (bnx2x_check_half_open_conn(params, vars, 1) != 13559 0) 13560 DP(NETIF_MSG_LINK, "Fault detection failed\n"); 13561 break; 13562 } 13563 } 13564 13565 if (CHIP_IS_E3(bp)) { 13566 struct bnx2x_phy *phy = ¶ms->phy[INT_PHY]; 13567 bnx2x_set_aer_mmd(params, phy); 13568 if ((phy->supported & SUPPORTED_20000baseKR2_Full) && 13569 (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)) 13570 bnx2x_check_kr2_wa(params, vars, phy); 13571 bnx2x_check_over_curr(params, vars); 13572 if (vars->rx_tx_asic_rst) 13573 bnx2x_warpcore_config_runtime(phy, params, vars); 13574 13575 if ((REG_RD(bp, params->shmem_base + 13576 offsetof(struct shmem_region, dev_info. 13577 port_hw_config[params->port].default_cfg)) 13578 & PORT_HW_CFG_NET_SERDES_IF_MASK) == 13579 PORT_HW_CFG_NET_SERDES_IF_SFI) { 13580 if (bnx2x_is_sfp_module_plugged(phy, params)) { 13581 bnx2x_sfp_tx_fault_detection(phy, params, vars); 13582 } else if (vars->link_status & 13583 LINK_STATUS_SFP_TX_FAULT) { 13584 /* Clean trail, interrupt corrects the leds */ 13585 vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT; 13586 vars->phy_flags &= ~PHY_SFP_TX_FAULT_FLAG; 13587 /* Update link status in the shared memory */ 13588 bnx2x_update_mng(params, vars->link_status); 13589 } 13590 } 13591 } 13592 } 13593 13594 u8 bnx2x_fan_failure_det_req(struct bnx2x *bp, 13595 u32 shmem_base, 13596 u32 shmem2_base, 13597 u8 port) 13598 { 13599 u8 phy_index, fan_failure_det_req = 0; 13600 struct bnx2x_phy phy; 13601 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS; 13602 phy_index++) { 13603 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base, 13604 port, &phy) 13605 != 0) { 13606 DP(NETIF_MSG_LINK, "populate phy failed\n"); 13607 return 0; 13608 } 13609 fan_failure_det_req |= (phy.flags & 13610 FLAGS_FAN_FAILURE_DET_REQ); 13611 } 13612 return fan_failure_det_req; 13613 } 13614 13615 void bnx2x_hw_reset_phy(struct link_params *params) 13616 { 13617 u8 phy_index; 13618 struct bnx2x *bp = params->bp; 13619 bnx2x_update_mng(params, 0); 13620 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4, 13621 (NIG_MASK_XGXS0_LINK_STATUS | 13622 NIG_MASK_XGXS0_LINK10G | 13623 NIG_MASK_SERDES0_LINK_STATUS | 13624 NIG_MASK_MI_INT)); 13625 13626 for (phy_index = INT_PHY; phy_index < MAX_PHYS; 13627 phy_index++) { 13628 if (params->phy[phy_index].hw_reset) { 13629 params->phy[phy_index].hw_reset( 13630 ¶ms->phy[phy_index], 13631 params); 13632 params->phy[phy_index] = phy_null; 13633 } 13634 } 13635 } 13636 13637 void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars, 13638 u32 chip_id, u32 shmem_base, u32 shmem2_base, 13639 u8 port) 13640 { 13641 u8 gpio_num = 0xff, gpio_port = 0xff, phy_index; 13642 u32 val; 13643 u32 offset, aeu_mask, swap_val, swap_override, sync_offset; 13644 if (CHIP_IS_E3(bp)) { 13645 if (bnx2x_get_mod_abs_int_cfg(bp, chip_id, 13646 shmem_base, 13647 port, 13648 &gpio_num, 13649 &gpio_port) != 0) 13650 return; 13651 } else { 13652 struct bnx2x_phy phy; 13653 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS; 13654 phy_index++) { 13655 if (bnx2x_populate_phy(bp, phy_index, shmem_base, 13656 shmem2_base, port, &phy) 13657 != 0) { 13658 DP(NETIF_MSG_LINK, "populate phy failed\n"); 13659 return; 13660 } 13661 if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) { 13662 gpio_num = MISC_REGISTERS_GPIO_3; 13663 gpio_port = port; 13664 break; 13665 } 13666 } 13667 } 13668 13669 if (gpio_num == 0xff) 13670 return; 13671 13672 /* Set GPIO3 to trigger SFP+ module insertion/removal */ 13673 bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port); 13674 13675 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP); 13676 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE); 13677 gpio_port ^= (swap_val && swap_override); 13678 13679 vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 << 13680 (gpio_num + (gpio_port << 2)); 13681 13682 sync_offset = shmem_base + 13683 offsetof(struct shmem_region, 13684 dev_info.port_hw_config[port].aeu_int_mask); 13685 REG_WR(bp, sync_offset, vars->aeu_int_mask); 13686 13687 DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n", 13688 gpio_num, gpio_port, vars->aeu_int_mask); 13689 13690 if (port == 0) 13691 offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0; 13692 else 13693 offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0; 13694 13695 /* Open appropriate AEU for interrupts */ 13696 aeu_mask = REG_RD(bp, offset); 13697 aeu_mask |= vars->aeu_int_mask; 13698 REG_WR(bp, offset, aeu_mask); 13699 13700 /* Enable the GPIO to trigger interrupt */ 13701 val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN); 13702 val |= 1 << (gpio_num + (gpio_port << 2)); 13703 REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val); 13704 } 13705