1 /* Copyright 2008-2012 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 /********************************************************/ 31 #define ETH_HLEN 14 32 /* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */ 33 #define ETH_OVREHEAD (ETH_HLEN + 8 + 8) 34 #define ETH_MIN_PACKET_SIZE 60 35 #define ETH_MAX_PACKET_SIZE 1500 36 #define ETH_MAX_JUMBO_PACKET_SIZE 9600 37 #define MDIO_ACCESS_TIMEOUT 1000 38 #define WC_LANE_MAX 4 39 #define I2C_SWITCH_WIDTH 2 40 #define I2C_BSC0 0 41 #define I2C_BSC1 1 42 #define I2C_WA_RETRY_CNT 3 43 #define I2C_WA_PWR_ITER (I2C_WA_RETRY_CNT - 1) 44 #define MCPR_IMC_COMMAND_READ_OP 1 45 #define MCPR_IMC_COMMAND_WRITE_OP 2 46 47 /* LED Blink rate that will achieve ~15.9Hz */ 48 #define LED_BLINK_RATE_VAL_E3 354 49 #define LED_BLINK_RATE_VAL_E1X_E2 480 50 /***********************************************************/ 51 /* Shortcut definitions */ 52 /***********************************************************/ 53 54 #define NIG_LATCH_BC_ENABLE_MI_INT 0 55 56 #define NIG_STATUS_EMAC0_MI_INT \ 57 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT 58 #define NIG_STATUS_XGXS0_LINK10G \ 59 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G 60 #define NIG_STATUS_XGXS0_LINK_STATUS \ 61 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS 62 #define NIG_STATUS_XGXS0_LINK_STATUS_SIZE \ 63 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE 64 #define NIG_STATUS_SERDES0_LINK_STATUS \ 65 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS 66 #define NIG_MASK_MI_INT \ 67 NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT 68 #define NIG_MASK_XGXS0_LINK10G \ 69 NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G 70 #define NIG_MASK_XGXS0_LINK_STATUS \ 71 NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS 72 #define NIG_MASK_SERDES0_LINK_STATUS \ 73 NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS 74 75 #define MDIO_AN_CL73_OR_37_COMPLETE \ 76 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \ 77 MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE) 78 79 #define XGXS_RESET_BITS \ 80 (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW | \ 81 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ | \ 82 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN | \ 83 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \ 84 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB) 85 86 #define SERDES_RESET_BITS \ 87 (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \ 88 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ | \ 89 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN | \ 90 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD) 91 92 #define AUTONEG_CL37 SHARED_HW_CFG_AN_ENABLE_CL37 93 #define AUTONEG_CL73 SHARED_HW_CFG_AN_ENABLE_CL73 94 #define AUTONEG_BAM SHARED_HW_CFG_AN_ENABLE_BAM 95 #define AUTONEG_PARALLEL \ 96 SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION 97 #define AUTONEG_SGMII_FIBER_AUTODET \ 98 SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT 99 #define AUTONEG_REMOTE_PHY SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY 100 101 #define GP_STATUS_PAUSE_RSOLUTION_TXSIDE \ 102 MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE 103 #define GP_STATUS_PAUSE_RSOLUTION_RXSIDE \ 104 MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE 105 #define GP_STATUS_SPEED_MASK \ 106 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK 107 #define GP_STATUS_10M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M 108 #define GP_STATUS_100M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M 109 #define GP_STATUS_1G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G 110 #define GP_STATUS_2_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G 111 #define GP_STATUS_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G 112 #define GP_STATUS_6G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G 113 #define GP_STATUS_10G_HIG \ 114 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG 115 #define GP_STATUS_10G_CX4 \ 116 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4 117 #define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX 118 #define GP_STATUS_10G_KX4 \ 119 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4 120 #define GP_STATUS_10G_KR MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KR 121 #define GP_STATUS_10G_XFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_XFI 122 #define GP_STATUS_20G_DXGXS MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_DXGXS 123 #define GP_STATUS_10G_SFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_SFI 124 #define LINK_10THD LINK_STATUS_SPEED_AND_DUPLEX_10THD 125 #define LINK_10TFD LINK_STATUS_SPEED_AND_DUPLEX_10TFD 126 #define LINK_100TXHD LINK_STATUS_SPEED_AND_DUPLEX_100TXHD 127 #define LINK_100T4 LINK_STATUS_SPEED_AND_DUPLEX_100T4 128 #define LINK_100TXFD LINK_STATUS_SPEED_AND_DUPLEX_100TXFD 129 #define LINK_1000THD LINK_STATUS_SPEED_AND_DUPLEX_1000THD 130 #define LINK_1000TFD LINK_STATUS_SPEED_AND_DUPLEX_1000TFD 131 #define LINK_1000XFD LINK_STATUS_SPEED_AND_DUPLEX_1000XFD 132 #define LINK_2500THD LINK_STATUS_SPEED_AND_DUPLEX_2500THD 133 #define LINK_2500TFD LINK_STATUS_SPEED_AND_DUPLEX_2500TFD 134 #define LINK_2500XFD LINK_STATUS_SPEED_AND_DUPLEX_2500XFD 135 #define LINK_10GTFD LINK_STATUS_SPEED_AND_DUPLEX_10GTFD 136 #define LINK_10GXFD LINK_STATUS_SPEED_AND_DUPLEX_10GXFD 137 #define LINK_20GTFD LINK_STATUS_SPEED_AND_DUPLEX_20GTFD 138 #define LINK_20GXFD LINK_STATUS_SPEED_AND_DUPLEX_20GXFD 139 140 141 142 #define SFP_EEPROM_CON_TYPE_ADDR 0x2 143 #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7 144 #define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21 145 146 147 #define SFP_EEPROM_COMP_CODE_ADDR 0x3 148 #define SFP_EEPROM_COMP_CODE_SR_MASK (1<<4) 149 #define SFP_EEPROM_COMP_CODE_LR_MASK (1<<5) 150 #define SFP_EEPROM_COMP_CODE_LRM_MASK (1<<6) 151 152 #define SFP_EEPROM_FC_TX_TECH_ADDR 0x8 153 #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4 154 #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8 155 156 #define SFP_EEPROM_OPTIONS_ADDR 0x40 157 #define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1 158 #define SFP_EEPROM_OPTIONS_SIZE 2 159 160 #define EDC_MODE_LINEAR 0x0022 161 #define EDC_MODE_LIMITING 0x0044 162 #define EDC_MODE_PASSIVE_DAC 0x0055 163 164 /* BRB default for class 0 E2 */ 165 #define DEFAULT0_E2_BRB_MAC_PAUSE_XOFF_THR 170 166 #define DEFAULT0_E2_BRB_MAC_PAUSE_XON_THR 250 167 #define DEFAULT0_E2_BRB_MAC_FULL_XOFF_THR 10 168 #define DEFAULT0_E2_BRB_MAC_FULL_XON_THR 50 169 170 /* BRB thresholds for E2*/ 171 #define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE 170 172 #define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0 173 174 #define PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE 250 175 #define PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0 176 177 #define PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE 10 178 #define PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 90 179 180 #define PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE 50 181 #define PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE 250 182 183 /* BRB default for class 0 E3A0 */ 184 #define DEFAULT0_E3A0_BRB_MAC_PAUSE_XOFF_THR 290 185 #define DEFAULT0_E3A0_BRB_MAC_PAUSE_XON_THR 410 186 #define DEFAULT0_E3A0_BRB_MAC_FULL_XOFF_THR 10 187 #define DEFAULT0_E3A0_BRB_MAC_FULL_XON_THR 50 188 189 /* BRB thresholds for E3A0 */ 190 #define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE 290 191 #define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0 192 193 #define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE 410 194 #define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0 195 196 #define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE 10 197 #define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 170 198 199 #define PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE 50 200 #define PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE 410 201 202 /* BRB default for E3B0 */ 203 #define DEFAULT0_E3B0_BRB_MAC_PAUSE_XOFF_THR 330 204 #define DEFAULT0_E3B0_BRB_MAC_PAUSE_XON_THR 490 205 #define DEFAULT0_E3B0_BRB_MAC_FULL_XOFF_THR 15 206 #define DEFAULT0_E3B0_BRB_MAC_FULL_XON_THR 55 207 208 /* BRB thresholds for E3B0 2 port mode*/ 209 #define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE 1025 210 #define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0 211 212 #define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE 1025 213 #define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0 214 215 #define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE 10 216 #define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 1025 217 218 #define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE 50 219 #define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE 1025 220 221 /* only for E3B0*/ 222 #define PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR 1025 223 #define PFC_E3B0_2P_BRB_FULL_LB_XON_THR 1025 224 225 /* Lossy +Lossless GUARANTIED == GUART */ 226 #define PFC_E3B0_2P_MIX_PAUSE_LB_GUART 284 227 /* Lossless +Lossless*/ 228 #define PFC_E3B0_2P_PAUSE_LB_GUART 236 229 /* Lossy +Lossy*/ 230 #define PFC_E3B0_2P_NON_PAUSE_LB_GUART 342 231 232 /* Lossy +Lossless*/ 233 #define PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART 284 234 /* Lossless +Lossless*/ 235 #define PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART 236 236 /* Lossy +Lossy*/ 237 #define PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART 336 238 #define PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST 80 239 240 #define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART 0 241 #define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST 0 242 243 /* BRB thresholds for E3B0 4 port mode */ 244 #define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE 304 245 #define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0 246 247 #define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE 384 248 #define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0 249 250 #define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE 10 251 #define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 304 252 253 #define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE 50 254 #define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE 384 255 256 /* only for E3B0*/ 257 #define PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR 304 258 #define PFC_E3B0_4P_BRB_FULL_LB_XON_THR 384 259 #define PFC_E3B0_4P_LB_GUART 120 260 261 #define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART 120 262 #define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST 80 263 264 #define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART 80 265 #define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST 120 266 267 /* Pause defines*/ 268 #define DEFAULT_E3B0_BRB_FULL_LB_XOFF_THR 330 269 #define DEFAULT_E3B0_BRB_FULL_LB_XON_THR 490 270 #define DEFAULT_E3B0_LB_GUART 40 271 272 #define DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART 40 273 #define DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART_HYST 0 274 275 #define DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART 40 276 #define DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART_HYST 0 277 278 /* ETS defines*/ 279 #define DCBX_INVALID_COS (0xFF) 280 281 #define ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000) 282 #define ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000) 283 #define ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS (1360) 284 #define ETS_E3B0_NIG_MIN_W_VAL_20GBPS (2720) 285 #define ETS_E3B0_PBF_MIN_W_VAL (10000) 286 287 #define MAX_PACKET_SIZE (9700) 288 #define MAX_KR_LINK_RETRY 4 289 290 /**********************************************************/ 291 /* INTERFACE */ 292 /**********************************************************/ 293 294 #define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \ 295 bnx2x_cl45_write(_bp, _phy, \ 296 (_phy)->def_md_devad, \ 297 (_bank + (_addr & 0xf)), \ 298 _val) 299 300 #define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \ 301 bnx2x_cl45_read(_bp, _phy, \ 302 (_phy)->def_md_devad, \ 303 (_bank + (_addr & 0xf)), \ 304 _val) 305 306 static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits) 307 { 308 u32 val = REG_RD(bp, reg); 309 310 val |= bits; 311 REG_WR(bp, reg, val); 312 return val; 313 } 314 315 static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits) 316 { 317 u32 val = REG_RD(bp, reg); 318 319 val &= ~bits; 320 REG_WR(bp, reg, val); 321 return val; 322 } 323 324 /******************************************************************/ 325 /* EPIO/GPIO section */ 326 /******************************************************************/ 327 static void bnx2x_get_epio(struct bnx2x *bp, u32 epio_pin, u32 *en) 328 { 329 u32 epio_mask, gp_oenable; 330 *en = 0; 331 /* Sanity check */ 332 if (epio_pin > 31) { 333 DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to get\n", epio_pin); 334 return; 335 } 336 337 epio_mask = 1 << epio_pin; 338 /* Set this EPIO to output */ 339 gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE); 340 REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable & ~epio_mask); 341 342 *en = (REG_RD(bp, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin; 343 } 344 static void bnx2x_set_epio(struct bnx2x *bp, u32 epio_pin, u32 en) 345 { 346 u32 epio_mask, gp_output, gp_oenable; 347 348 /* Sanity check */ 349 if (epio_pin > 31) { 350 DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to set\n", epio_pin); 351 return; 352 } 353 DP(NETIF_MSG_LINK, "Setting EPIO pin %d to %d\n", epio_pin, en); 354 epio_mask = 1 << epio_pin; 355 /* Set this EPIO to output */ 356 gp_output = REG_RD(bp, MCP_REG_MCPR_GP_OUTPUTS); 357 if (en) 358 gp_output |= epio_mask; 359 else 360 gp_output &= ~epio_mask; 361 362 REG_WR(bp, MCP_REG_MCPR_GP_OUTPUTS, gp_output); 363 364 /* Set the value for this EPIO */ 365 gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE); 366 REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable | epio_mask); 367 } 368 369 static void bnx2x_set_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 val) 370 { 371 if (pin_cfg == PIN_CFG_NA) 372 return; 373 if (pin_cfg >= PIN_CFG_EPIO0) { 374 bnx2x_set_epio(bp, pin_cfg - PIN_CFG_EPIO0, val); 375 } else { 376 u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3; 377 u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2; 378 bnx2x_set_gpio(bp, gpio_num, (u8)val, gpio_port); 379 } 380 } 381 382 static u32 bnx2x_get_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 *val) 383 { 384 if (pin_cfg == PIN_CFG_NA) 385 return -EINVAL; 386 if (pin_cfg >= PIN_CFG_EPIO0) { 387 bnx2x_get_epio(bp, pin_cfg - PIN_CFG_EPIO0, val); 388 } else { 389 u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3; 390 u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2; 391 *val = bnx2x_get_gpio(bp, gpio_num, gpio_port); 392 } 393 return 0; 394 395 } 396 /******************************************************************/ 397 /* ETS section */ 398 /******************************************************************/ 399 static void bnx2x_ets_e2e3a0_disabled(struct link_params *params) 400 { 401 /* ETS disabled configuration*/ 402 struct bnx2x *bp = params->bp; 403 404 DP(NETIF_MSG_LINK, "ETS E2E3 disabled configuration\n"); 405 406 /* mapping between entry priority to client number (0,1,2 -debug and 407 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST) 408 * 3bits client num. 409 * PRI4 | PRI3 | PRI2 | PRI1 | PRI0 410 * cos1-100 cos0-011 dbg1-010 dbg0-001 MCP-000 411 */ 412 413 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688); 414 /* Bitmap of 5bits length. Each bit specifies whether the entry behaves 415 * as strict. Bits 0,1,2 - debug and management entries, 3 - 416 * COS0 entry, 4 - COS1 entry. 417 * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT 418 * bit4 bit3 bit2 bit1 bit0 419 * MCP and debug are strict 420 */ 421 422 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7); 423 /* defines which entries (clients) are subjected to WFQ arbitration */ 424 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0); 425 /* For strict priority entries defines the number of consecutive 426 * slots for the highest priority. 427 */ 428 REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100); 429 /* mapping between the CREDIT_WEIGHT registers and actual client 430 * numbers 431 */ 432 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0); 433 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0); 434 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0); 435 436 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0); 437 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0); 438 REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0); 439 /* ETS mode disable */ 440 REG_WR(bp, PBF_REG_ETS_ENABLED, 0); 441 /* If ETS mode is enabled (there is no strict priority) defines a WFQ 442 * weight for COS0/COS1. 443 */ 444 REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710); 445 REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710); 446 /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */ 447 REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680); 448 REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680); 449 /* Defines the number of consecutive slots for the strict priority */ 450 REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0); 451 } 452 /****************************************************************************** 453 * Description: 454 * Getting min_w_val will be set according to line speed . 455 *. 456 ******************************************************************************/ 457 static u32 bnx2x_ets_get_min_w_val_nig(const struct link_vars *vars) 458 { 459 u32 min_w_val = 0; 460 /* Calculate min_w_val.*/ 461 if (vars->link_up) { 462 if (vars->line_speed == SPEED_20000) 463 min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS; 464 else 465 min_w_val = ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS; 466 } else 467 min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS; 468 /* If the link isn't up (static configuration for example ) The 469 * link will be according to 20GBPS. 470 */ 471 return min_w_val; 472 } 473 /****************************************************************************** 474 * Description: 475 * Getting credit upper bound form min_w_val. 476 *. 477 ******************************************************************************/ 478 static u32 bnx2x_ets_get_credit_upper_bound(const u32 min_w_val) 479 { 480 const u32 credit_upper_bound = (u32)MAXVAL((150 * min_w_val), 481 MAX_PACKET_SIZE); 482 return credit_upper_bound; 483 } 484 /****************************************************************************** 485 * Description: 486 * Set credit upper bound for NIG. 487 *. 488 ******************************************************************************/ 489 static void bnx2x_ets_e3b0_set_credit_upper_bound_nig( 490 const struct link_params *params, 491 const u32 min_w_val) 492 { 493 struct bnx2x *bp = params->bp; 494 const u8 port = params->port; 495 const u32 credit_upper_bound = 496 bnx2x_ets_get_credit_upper_bound(min_w_val); 497 498 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_0 : 499 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, credit_upper_bound); 500 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_1 : 501 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, credit_upper_bound); 502 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_2 : 503 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_2, credit_upper_bound); 504 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_3 : 505 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_3, credit_upper_bound); 506 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_4 : 507 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_4, credit_upper_bound); 508 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 : 509 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5, credit_upper_bound); 510 511 if (!port) { 512 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6, 513 credit_upper_bound); 514 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7, 515 credit_upper_bound); 516 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8, 517 credit_upper_bound); 518 } 519 } 520 /****************************************************************************** 521 * Description: 522 * Will return the NIG ETS registers to init values.Except 523 * credit_upper_bound. 524 * That isn't used in this configuration (No WFQ is enabled) and will be 525 * configured acording to spec 526 *. 527 ******************************************************************************/ 528 static void bnx2x_ets_e3b0_nig_disabled(const struct link_params *params, 529 const struct link_vars *vars) 530 { 531 struct bnx2x *bp = params->bp; 532 const u8 port = params->port; 533 const u32 min_w_val = bnx2x_ets_get_min_w_val_nig(vars); 534 /* Mapping between entry priority to client number (0,1,2 -debug and 535 * management clients, 3 - COS0 client, 4 - COS1, ... 8 - 536 * COS5)(HIGHEST) 4bits client num.TODO_ETS - Should be done by 537 * reset value or init tool 538 */ 539 if (port) { 540 REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 0x543210); 541 REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB, 0x0); 542 } else { 543 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 0x76543210); 544 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 0x8); 545 } 546 /* For strict priority entries defines the number of consecutive 547 * slots for the highest priority. 548 */ 549 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS : 550 NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100); 551 /* Mapping between the CREDIT_WEIGHT registers and actual client 552 * numbers 553 */ 554 if (port) { 555 /*Port 1 has 6 COS*/ 556 REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 0x210543); 557 REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x0); 558 } else { 559 /*Port 0 has 9 COS*/ 560 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 561 0x43210876); 562 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5); 563 } 564 565 /* Bitmap of 5bits length. Each bit specifies whether the entry behaves 566 * as strict. Bits 0,1,2 - debug and management entries, 3 - 567 * COS0 entry, 4 - COS1 entry. 568 * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT 569 * bit4 bit3 bit2 bit1 bit0 570 * MCP and debug are strict 571 */ 572 if (port) 573 REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f); 574 else 575 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1ff); 576 /* defines which entries (clients) are subjected to WFQ arbitration */ 577 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ : 578 NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0); 579 580 /* Please notice the register address are note continuous and a 581 * for here is note appropriate.In 2 port mode port0 only COS0-5 582 * can be used. DEBUG1,DEBUG1,MGMT are never used for WFQ* In 4 583 * port mode port1 only COS0-2 can be used. DEBUG1,DEBUG1,MGMT 584 * are never used for WFQ 585 */ 586 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 : 587 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0x0); 588 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 : 589 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0x0); 590 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 : 591 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2, 0x0); 592 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_3 : 593 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3, 0x0); 594 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_4 : 595 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4, 0x0); 596 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 : 597 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5, 0x0); 598 if (!port) { 599 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6, 0x0); 600 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7, 0x0); 601 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8, 0x0); 602 } 603 604 bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val); 605 } 606 /****************************************************************************** 607 * Description: 608 * Set credit upper bound for PBF. 609 *. 610 ******************************************************************************/ 611 static void bnx2x_ets_e3b0_set_credit_upper_bound_pbf( 612 const struct link_params *params, 613 const u32 min_w_val) 614 { 615 struct bnx2x *bp = params->bp; 616 const u32 credit_upper_bound = 617 bnx2x_ets_get_credit_upper_bound(min_w_val); 618 const u8 port = params->port; 619 u32 base_upper_bound = 0; 620 u8 max_cos = 0; 621 u8 i = 0; 622 /* In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4 623 * port mode port1 has COS0-2 that can be used for WFQ. 624 */ 625 if (!port) { 626 base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0; 627 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0; 628 } else { 629 base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1; 630 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1; 631 } 632 633 for (i = 0; i < max_cos; i++) 634 REG_WR(bp, base_upper_bound + (i << 2), credit_upper_bound); 635 } 636 637 /****************************************************************************** 638 * Description: 639 * Will return the PBF ETS registers to init values.Except 640 * credit_upper_bound. 641 * That isn't used in this configuration (No WFQ is enabled) and will be 642 * configured acording to spec 643 *. 644 ******************************************************************************/ 645 static void bnx2x_ets_e3b0_pbf_disabled(const struct link_params *params) 646 { 647 struct bnx2x *bp = params->bp; 648 const u8 port = params->port; 649 const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL; 650 u8 i = 0; 651 u32 base_weight = 0; 652 u8 max_cos = 0; 653 654 /* Mapping between entry priority to client number 0 - COS0 655 * client, 2 - COS1, ... 5 - COS5)(HIGHEST) 4bits client num. 656 * TODO_ETS - Should be done by reset value or init tool 657 */ 658 if (port) 659 /* 0x688 (|011|0 10|00 1|000) */ 660 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , 0x688); 661 else 662 /* (10 1|100 |011|0 10|00 1|000) */ 663 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , 0x2C688); 664 665 /* TODO_ETS - Should be done by reset value or init tool */ 666 if (port) 667 /* 0x688 (|011|0 10|00 1|000)*/ 668 REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688); 669 else 670 /* 0x2C688 (10 1|100 |011|0 10|00 1|000) */ 671 REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688); 672 673 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P1 : 674 PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P0 , 0x100); 675 676 677 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 : 678 PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , 0); 679 680 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 : 681 PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0 , 0); 682 /* In 2 port mode port0 has COS0-5 that can be used for WFQ. 683 * In 4 port mode port1 has COS0-2 that can be used for WFQ. 684 */ 685 if (!port) { 686 base_weight = PBF_REG_COS0_WEIGHT_P0; 687 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0; 688 } else { 689 base_weight = PBF_REG_COS0_WEIGHT_P1; 690 max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1; 691 } 692 693 for (i = 0; i < max_cos; i++) 694 REG_WR(bp, base_weight + (0x4 * i), 0); 695 696 bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf); 697 } 698 /****************************************************************************** 699 * Description: 700 * E3B0 disable will return basicly the values to init values. 701 *. 702 ******************************************************************************/ 703 static int bnx2x_ets_e3b0_disabled(const struct link_params *params, 704 const struct link_vars *vars) 705 { 706 struct bnx2x *bp = params->bp; 707 708 if (!CHIP_IS_E3B0(bp)) { 709 DP(NETIF_MSG_LINK, 710 "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n"); 711 return -EINVAL; 712 } 713 714 bnx2x_ets_e3b0_nig_disabled(params, vars); 715 716 bnx2x_ets_e3b0_pbf_disabled(params); 717 718 return 0; 719 } 720 721 /****************************************************************************** 722 * Description: 723 * Disable will return basicly the values to init values. 724 * 725 ******************************************************************************/ 726 int bnx2x_ets_disabled(struct link_params *params, 727 struct link_vars *vars) 728 { 729 struct bnx2x *bp = params->bp; 730 int bnx2x_status = 0; 731 732 if ((CHIP_IS_E2(bp)) || (CHIP_IS_E3A0(bp))) 733 bnx2x_ets_e2e3a0_disabled(params); 734 else if (CHIP_IS_E3B0(bp)) 735 bnx2x_status = bnx2x_ets_e3b0_disabled(params, vars); 736 else { 737 DP(NETIF_MSG_LINK, "bnx2x_ets_disabled - chip not supported\n"); 738 return -EINVAL; 739 } 740 741 return bnx2x_status; 742 } 743 744 /****************************************************************************** 745 * Description 746 * Set the COS mappimg to SP and BW until this point all the COS are not 747 * set as SP or BW. 748 ******************************************************************************/ 749 static int bnx2x_ets_e3b0_cli_map(const struct link_params *params, 750 const struct bnx2x_ets_params *ets_params, 751 const u8 cos_sp_bitmap, 752 const u8 cos_bw_bitmap) 753 { 754 struct bnx2x *bp = params->bp; 755 const u8 port = params->port; 756 const u8 nig_cli_sp_bitmap = 0x7 | (cos_sp_bitmap << 3); 757 const u8 pbf_cli_sp_bitmap = cos_sp_bitmap; 758 const u8 nig_cli_subject2wfq_bitmap = cos_bw_bitmap << 3; 759 const u8 pbf_cli_subject2wfq_bitmap = cos_bw_bitmap; 760 761 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT : 762 NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, nig_cli_sp_bitmap); 763 764 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 : 765 PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , pbf_cli_sp_bitmap); 766 767 REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ : 768 NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 769 nig_cli_subject2wfq_bitmap); 770 771 REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 : 772 PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0, 773 pbf_cli_subject2wfq_bitmap); 774 775 return 0; 776 } 777 778 /****************************************************************************** 779 * Description: 780 * This function is needed because NIG ARB_CREDIT_WEIGHT_X are 781 * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable. 782 ******************************************************************************/ 783 static int bnx2x_ets_e3b0_set_cos_bw(struct bnx2x *bp, 784 const u8 cos_entry, 785 const u32 min_w_val_nig, 786 const u32 min_w_val_pbf, 787 const u16 total_bw, 788 const u8 bw, 789 const u8 port) 790 { 791 u32 nig_reg_adress_crd_weight = 0; 792 u32 pbf_reg_adress_crd_weight = 0; 793 /* Calculate and set BW for this COS - use 1 instead of 0 for BW */ 794 const u32 cos_bw_nig = ((bw ? bw : 1) * min_w_val_nig) / total_bw; 795 const u32 cos_bw_pbf = ((bw ? bw : 1) * min_w_val_pbf) / total_bw; 796 797 switch (cos_entry) { 798 case 0: 799 nig_reg_adress_crd_weight = 800 (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 : 801 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0; 802 pbf_reg_adress_crd_weight = (port) ? 803 PBF_REG_COS0_WEIGHT_P1 : PBF_REG_COS0_WEIGHT_P0; 804 break; 805 case 1: 806 nig_reg_adress_crd_weight = (port) ? 807 NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 : 808 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1; 809 pbf_reg_adress_crd_weight = (port) ? 810 PBF_REG_COS1_WEIGHT_P1 : PBF_REG_COS1_WEIGHT_P0; 811 break; 812 case 2: 813 nig_reg_adress_crd_weight = (port) ? 814 NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 : 815 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2; 816 817 pbf_reg_adress_crd_weight = (port) ? 818 PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0; 819 break; 820 case 3: 821 if (port) 822 return -EINVAL; 823 nig_reg_adress_crd_weight = 824 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3; 825 pbf_reg_adress_crd_weight = 826 PBF_REG_COS3_WEIGHT_P0; 827 break; 828 case 4: 829 if (port) 830 return -EINVAL; 831 nig_reg_adress_crd_weight = 832 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4; 833 pbf_reg_adress_crd_weight = PBF_REG_COS4_WEIGHT_P0; 834 break; 835 case 5: 836 if (port) 837 return -EINVAL; 838 nig_reg_adress_crd_weight = 839 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5; 840 pbf_reg_adress_crd_weight = PBF_REG_COS5_WEIGHT_P0; 841 break; 842 } 843 844 REG_WR(bp, nig_reg_adress_crd_weight, cos_bw_nig); 845 846 REG_WR(bp, pbf_reg_adress_crd_weight, cos_bw_pbf); 847 848 return 0; 849 } 850 /****************************************************************************** 851 * Description: 852 * Calculate the total BW.A value of 0 isn't legal. 853 * 854 ******************************************************************************/ 855 static int bnx2x_ets_e3b0_get_total_bw( 856 const struct link_params *params, 857 struct bnx2x_ets_params *ets_params, 858 u16 *total_bw) 859 { 860 struct bnx2x *bp = params->bp; 861 u8 cos_idx = 0; 862 u8 is_bw_cos_exist = 0; 863 864 *total_bw = 0 ; 865 /* Calculate total BW requested */ 866 for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) { 867 if (ets_params->cos[cos_idx].state == bnx2x_cos_state_bw) { 868 is_bw_cos_exist = 1; 869 if (!ets_params->cos[cos_idx].params.bw_params.bw) { 870 DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config BW" 871 "was set to 0\n"); 872 /* This is to prevent a state when ramrods 873 * can't be sent 874 */ 875 ets_params->cos[cos_idx].params.bw_params.bw 876 = 1; 877 } 878 *total_bw += 879 ets_params->cos[cos_idx].params.bw_params.bw; 880 } 881 } 882 883 /* Check total BW is valid */ 884 if ((is_bw_cos_exist == 1) && (*total_bw != 100)) { 885 if (*total_bw == 0) { 886 DP(NETIF_MSG_LINK, 887 "bnx2x_ets_E3B0_config total BW shouldn't be 0\n"); 888 return -EINVAL; 889 } 890 DP(NETIF_MSG_LINK, 891 "bnx2x_ets_E3B0_config total BW should be 100\n"); 892 /* We can handle a case whre the BW isn't 100 this can happen 893 * if the TC are joined. 894 */ 895 } 896 return 0; 897 } 898 899 /****************************************************************************** 900 * Description: 901 * Invalidate all the sp_pri_to_cos. 902 * 903 ******************************************************************************/ 904 static void bnx2x_ets_e3b0_sp_pri_to_cos_init(u8 *sp_pri_to_cos) 905 { 906 u8 pri = 0; 907 for (pri = 0; pri < DCBX_MAX_NUM_COS; pri++) 908 sp_pri_to_cos[pri] = DCBX_INVALID_COS; 909 } 910 /****************************************************************************** 911 * Description: 912 * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers 913 * according to sp_pri_to_cos. 914 * 915 ******************************************************************************/ 916 static int bnx2x_ets_e3b0_sp_pri_to_cos_set(const struct link_params *params, 917 u8 *sp_pri_to_cos, const u8 pri, 918 const u8 cos_entry) 919 { 920 struct bnx2x *bp = params->bp; 921 const u8 port = params->port; 922 const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 : 923 DCBX_E3B0_MAX_NUM_COS_PORT0; 924 925 if (pri >= max_num_of_cos) { 926 DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid " 927 "parameter Illegal strict priority\n"); 928 return -EINVAL; 929 } 930 931 if (sp_pri_to_cos[pri] != DCBX_INVALID_COS) { 932 DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid " 933 "parameter There can't be two COS's with " 934 "the same strict pri\n"); 935 return -EINVAL; 936 } 937 938 sp_pri_to_cos[pri] = cos_entry; 939 return 0; 940 941 } 942 943 /****************************************************************************** 944 * Description: 945 * Returns the correct value according to COS and priority in 946 * the sp_pri_cli register. 947 * 948 ******************************************************************************/ 949 static u64 bnx2x_e3b0_sp_get_pri_cli_reg(const u8 cos, const u8 cos_offset, 950 const u8 pri_set, 951 const u8 pri_offset, 952 const u8 entry_size) 953 { 954 u64 pri_cli_nig = 0; 955 pri_cli_nig = ((u64)(cos + cos_offset)) << (entry_size * 956 (pri_set + pri_offset)); 957 958 return pri_cli_nig; 959 } 960 /****************************************************************************** 961 * Description: 962 * Returns the correct value according to COS and priority in the 963 * sp_pri_cli register for NIG. 964 * 965 ******************************************************************************/ 966 static u64 bnx2x_e3b0_sp_get_pri_cli_reg_nig(const u8 cos, const u8 pri_set) 967 { 968 /* MCP Dbg0 and dbg1 are always with higher strict pri*/ 969 const u8 nig_cos_offset = 3; 970 const u8 nig_pri_offset = 3; 971 972 return bnx2x_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set, 973 nig_pri_offset, 4); 974 975 } 976 /****************************************************************************** 977 * Description: 978 * Returns the correct value according to COS and priority in the 979 * sp_pri_cli register for PBF. 980 * 981 ******************************************************************************/ 982 static u64 bnx2x_e3b0_sp_get_pri_cli_reg_pbf(const u8 cos, const u8 pri_set) 983 { 984 const u8 pbf_cos_offset = 0; 985 const u8 pbf_pri_offset = 0; 986 987 return bnx2x_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set, 988 pbf_pri_offset, 3); 989 990 } 991 992 /****************************************************************************** 993 * Description: 994 * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers 995 * according to sp_pri_to_cos.(which COS has higher priority) 996 * 997 ******************************************************************************/ 998 static int bnx2x_ets_e3b0_sp_set_pri_cli_reg(const struct link_params *params, 999 u8 *sp_pri_to_cos) 1000 { 1001 struct bnx2x *bp = params->bp; 1002 u8 i = 0; 1003 const u8 port = params->port; 1004 /* MCP Dbg0 and dbg1 are always with higher strict pri*/ 1005 u64 pri_cli_nig = 0x210; 1006 u32 pri_cli_pbf = 0x0; 1007 u8 pri_set = 0; 1008 u8 pri_bitmask = 0; 1009 const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 : 1010 DCBX_E3B0_MAX_NUM_COS_PORT0; 1011 1012 u8 cos_bit_to_set = (1 << max_num_of_cos) - 1; 1013 1014 /* Set all the strict priority first */ 1015 for (i = 0; i < max_num_of_cos; i++) { 1016 if (sp_pri_to_cos[i] != DCBX_INVALID_COS) { 1017 if (sp_pri_to_cos[i] >= DCBX_MAX_NUM_COS) { 1018 DP(NETIF_MSG_LINK, 1019 "bnx2x_ets_e3b0_sp_set_pri_cli_reg " 1020 "invalid cos entry\n"); 1021 return -EINVAL; 1022 } 1023 1024 pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig( 1025 sp_pri_to_cos[i], pri_set); 1026 1027 pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf( 1028 sp_pri_to_cos[i], pri_set); 1029 pri_bitmask = 1 << sp_pri_to_cos[i]; 1030 /* COS is used remove it from bitmap.*/ 1031 if (!(pri_bitmask & cos_bit_to_set)) { 1032 DP(NETIF_MSG_LINK, 1033 "bnx2x_ets_e3b0_sp_set_pri_cli_reg " 1034 "invalid There can't be two COS's with" 1035 " the same strict pri\n"); 1036 return -EINVAL; 1037 } 1038 cos_bit_to_set &= ~pri_bitmask; 1039 pri_set++; 1040 } 1041 } 1042 1043 /* Set all the Non strict priority i= COS*/ 1044 for (i = 0; i < max_num_of_cos; i++) { 1045 pri_bitmask = 1 << i; 1046 /* Check if COS was already used for SP */ 1047 if (pri_bitmask & cos_bit_to_set) { 1048 /* COS wasn't used for SP */ 1049 pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig( 1050 i, pri_set); 1051 1052 pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf( 1053 i, pri_set); 1054 /* COS is used remove it from bitmap.*/ 1055 cos_bit_to_set &= ~pri_bitmask; 1056 pri_set++; 1057 } 1058 } 1059 1060 if (pri_set != max_num_of_cos) { 1061 DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_set_pri_cli_reg not all " 1062 "entries were set\n"); 1063 return -EINVAL; 1064 } 1065 1066 if (port) { 1067 /* Only 6 usable clients*/ 1068 REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 1069 (u32)pri_cli_nig); 1070 1071 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf); 1072 } else { 1073 /* Only 9 usable clients*/ 1074 const u32 pri_cli_nig_lsb = (u32) (pri_cli_nig); 1075 const u32 pri_cli_nig_msb = (u32) ((pri_cli_nig >> 32) & 0xF); 1076 1077 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 1078 pri_cli_nig_lsb); 1079 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 1080 pri_cli_nig_msb); 1081 1082 REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf); 1083 } 1084 return 0; 1085 } 1086 1087 /****************************************************************************** 1088 * Description: 1089 * Configure the COS to ETS according to BW and SP settings. 1090 ******************************************************************************/ 1091 int bnx2x_ets_e3b0_config(const struct link_params *params, 1092 const struct link_vars *vars, 1093 struct bnx2x_ets_params *ets_params) 1094 { 1095 struct bnx2x *bp = params->bp; 1096 int bnx2x_status = 0; 1097 const u8 port = params->port; 1098 u16 total_bw = 0; 1099 const u32 min_w_val_nig = bnx2x_ets_get_min_w_val_nig(vars); 1100 const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL; 1101 u8 cos_bw_bitmap = 0; 1102 u8 cos_sp_bitmap = 0; 1103 u8 sp_pri_to_cos[DCBX_MAX_NUM_COS] = {0}; 1104 const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 : 1105 DCBX_E3B0_MAX_NUM_COS_PORT0; 1106 u8 cos_entry = 0; 1107 1108 if (!CHIP_IS_E3B0(bp)) { 1109 DP(NETIF_MSG_LINK, 1110 "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n"); 1111 return -EINVAL; 1112 } 1113 1114 if ((ets_params->num_of_cos > max_num_of_cos)) { 1115 DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config the number of COS " 1116 "isn't supported\n"); 1117 return -EINVAL; 1118 } 1119 1120 /* Prepare sp strict priority parameters*/ 1121 bnx2x_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos); 1122 1123 /* Prepare BW parameters*/ 1124 bnx2x_status = bnx2x_ets_e3b0_get_total_bw(params, ets_params, 1125 &total_bw); 1126 if (bnx2x_status) { 1127 DP(NETIF_MSG_LINK, 1128 "bnx2x_ets_E3B0_config get_total_bw failed\n"); 1129 return -EINVAL; 1130 } 1131 1132 /* Upper bound is set according to current link speed (min_w_val 1133 * should be the same for upper bound and COS credit val). 1134 */ 1135 bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig); 1136 bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf); 1137 1138 1139 for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) { 1140 if (bnx2x_cos_state_bw == ets_params->cos[cos_entry].state) { 1141 cos_bw_bitmap |= (1 << cos_entry); 1142 /* The function also sets the BW in HW(not the mappin 1143 * yet) 1144 */ 1145 bnx2x_status = bnx2x_ets_e3b0_set_cos_bw( 1146 bp, cos_entry, min_w_val_nig, min_w_val_pbf, 1147 total_bw, 1148 ets_params->cos[cos_entry].params.bw_params.bw, 1149 port); 1150 } else if (bnx2x_cos_state_strict == 1151 ets_params->cos[cos_entry].state){ 1152 cos_sp_bitmap |= (1 << cos_entry); 1153 1154 bnx2x_status = bnx2x_ets_e3b0_sp_pri_to_cos_set( 1155 params, 1156 sp_pri_to_cos, 1157 ets_params->cos[cos_entry].params.sp_params.pri, 1158 cos_entry); 1159 1160 } else { 1161 DP(NETIF_MSG_LINK, 1162 "bnx2x_ets_e3b0_config cos state not valid\n"); 1163 return -EINVAL; 1164 } 1165 if (bnx2x_status) { 1166 DP(NETIF_MSG_LINK, 1167 "bnx2x_ets_e3b0_config set cos bw failed\n"); 1168 return bnx2x_status; 1169 } 1170 } 1171 1172 /* Set SP register (which COS has higher priority) */ 1173 bnx2x_status = bnx2x_ets_e3b0_sp_set_pri_cli_reg(params, 1174 sp_pri_to_cos); 1175 1176 if (bnx2x_status) { 1177 DP(NETIF_MSG_LINK, 1178 "bnx2x_ets_E3B0_config set_pri_cli_reg failed\n"); 1179 return bnx2x_status; 1180 } 1181 1182 /* Set client mapping of BW and strict */ 1183 bnx2x_status = bnx2x_ets_e3b0_cli_map(params, ets_params, 1184 cos_sp_bitmap, 1185 cos_bw_bitmap); 1186 1187 if (bnx2x_status) { 1188 DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n"); 1189 return bnx2x_status; 1190 } 1191 return 0; 1192 } 1193 static void bnx2x_ets_bw_limit_common(const struct link_params *params) 1194 { 1195 /* ETS disabled configuration */ 1196 struct bnx2x *bp = params->bp; 1197 DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n"); 1198 /* Defines which entries (clients) are subjected to WFQ arbitration 1199 * COS0 0x8 1200 * COS1 0x10 1201 */ 1202 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18); 1203 /* Mapping between the ARB_CREDIT_WEIGHT registers and actual 1204 * client numbers (WEIGHT_0 does not actually have to represent 1205 * client 0) 1206 * PRI4 | PRI3 | PRI2 | PRI1 | PRI0 1207 * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010 1208 */ 1209 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A); 1210 1211 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 1212 ETS_BW_LIMIT_CREDIT_UPPER_BOUND); 1213 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 1214 ETS_BW_LIMIT_CREDIT_UPPER_BOUND); 1215 1216 /* ETS mode enabled*/ 1217 REG_WR(bp, PBF_REG_ETS_ENABLED, 1); 1218 1219 /* Defines the number of consecutive slots for the strict priority */ 1220 REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0); 1221 /* Bitmap of 5bits length. Each bit specifies whether the entry behaves 1222 * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0 1223 * entry, 4 - COS1 entry. 1224 * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT 1225 * bit4 bit3 bit2 bit1 bit0 1226 * MCP and debug are strict 1227 */ 1228 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7); 1229 1230 /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/ 1231 REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 1232 ETS_BW_LIMIT_CREDIT_UPPER_BOUND); 1233 REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 1234 ETS_BW_LIMIT_CREDIT_UPPER_BOUND); 1235 } 1236 1237 void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw, 1238 const u32 cos1_bw) 1239 { 1240 /* ETS disabled configuration*/ 1241 struct bnx2x *bp = params->bp; 1242 const u32 total_bw = cos0_bw + cos1_bw; 1243 u32 cos0_credit_weight = 0; 1244 u32 cos1_credit_weight = 0; 1245 1246 DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n"); 1247 1248 if ((!total_bw) || 1249 (!cos0_bw) || 1250 (!cos1_bw)) { 1251 DP(NETIF_MSG_LINK, "Total BW can't be zero\n"); 1252 return; 1253 } 1254 1255 cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/ 1256 total_bw; 1257 cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/ 1258 total_bw; 1259 1260 bnx2x_ets_bw_limit_common(params); 1261 1262 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight); 1263 REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight); 1264 1265 REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight); 1266 REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight); 1267 } 1268 1269 int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos) 1270 { 1271 /* ETS disabled configuration*/ 1272 struct bnx2x *bp = params->bp; 1273 u32 val = 0; 1274 1275 DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n"); 1276 /* Bitmap of 5bits length. Each bit specifies whether the entry behaves 1277 * as strict. Bits 0,1,2 - debug and management entries, 1278 * 3 - COS0 entry, 4 - COS1 entry. 1279 * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT 1280 * bit4 bit3 bit2 bit1 bit0 1281 * MCP and debug are strict 1282 */ 1283 REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F); 1284 /* For strict priority entries defines the number of consecutive slots 1285 * for the highest priority. 1286 */ 1287 REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100); 1288 /* ETS mode disable */ 1289 REG_WR(bp, PBF_REG_ETS_ENABLED, 0); 1290 /* Defines the number of consecutive slots for the strict priority */ 1291 REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100); 1292 1293 /* Defines the number of consecutive slots for the strict priority */ 1294 REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos); 1295 1296 /* Mapping between entry priority to client number (0,1,2 -debug and 1297 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST) 1298 * 3bits client num. 1299 * PRI4 | PRI3 | PRI2 | PRI1 | PRI0 1300 * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000 1301 * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000 1302 */ 1303 val = (!strict_cos) ? 0x2318 : 0x22E0; 1304 REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val); 1305 1306 return 0; 1307 } 1308 1309 /******************************************************************/ 1310 /* EEE section */ 1311 /******************************************************************/ 1312 static u8 bnx2x_eee_has_cap(struct link_params *params) 1313 { 1314 struct bnx2x *bp = params->bp; 1315 1316 if (REG_RD(bp, params->shmem2_base) <= 1317 offsetof(struct shmem2_region, eee_status[params->port])) 1318 return 0; 1319 1320 return 1; 1321 } 1322 1323 static int bnx2x_eee_nvram_to_time(u32 nvram_mode, u32 *idle_timer) 1324 { 1325 switch (nvram_mode) { 1326 case PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED: 1327 *idle_timer = EEE_MODE_NVRAM_BALANCED_TIME; 1328 break; 1329 case PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE: 1330 *idle_timer = EEE_MODE_NVRAM_AGGRESSIVE_TIME; 1331 break; 1332 case PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY: 1333 *idle_timer = EEE_MODE_NVRAM_LATENCY_TIME; 1334 break; 1335 default: 1336 *idle_timer = 0; 1337 break; 1338 } 1339 1340 return 0; 1341 } 1342 1343 static int bnx2x_eee_time_to_nvram(u32 idle_timer, u32 *nvram_mode) 1344 { 1345 switch (idle_timer) { 1346 case EEE_MODE_NVRAM_BALANCED_TIME: 1347 *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED; 1348 break; 1349 case EEE_MODE_NVRAM_AGGRESSIVE_TIME: 1350 *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE; 1351 break; 1352 case EEE_MODE_NVRAM_LATENCY_TIME: 1353 *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY; 1354 break; 1355 default: 1356 *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_DISABLED; 1357 break; 1358 } 1359 1360 return 0; 1361 } 1362 1363 static u32 bnx2x_eee_calc_timer(struct link_params *params) 1364 { 1365 u32 eee_mode, eee_idle; 1366 struct bnx2x *bp = params->bp; 1367 1368 if (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) { 1369 if (params->eee_mode & EEE_MODE_OUTPUT_TIME) { 1370 /* time value in eee_mode --> used directly*/ 1371 eee_idle = params->eee_mode & EEE_MODE_TIMER_MASK; 1372 } else { 1373 /* hsi value in eee_mode --> time */ 1374 if (bnx2x_eee_nvram_to_time(params->eee_mode & 1375 EEE_MODE_NVRAM_MASK, 1376 &eee_idle)) 1377 return 0; 1378 } 1379 } else { 1380 /* hsi values in nvram --> time*/ 1381 eee_mode = ((REG_RD(bp, params->shmem_base + 1382 offsetof(struct shmem_region, dev_info. 1383 port_feature_config[params->port]. 1384 eee_power_mode)) & 1385 PORT_FEAT_CFG_EEE_POWER_MODE_MASK) >> 1386 PORT_FEAT_CFG_EEE_POWER_MODE_SHIFT); 1387 1388 if (bnx2x_eee_nvram_to_time(eee_mode, &eee_idle)) 1389 return 0; 1390 } 1391 1392 return eee_idle; 1393 } 1394 1395 1396 /******************************************************************/ 1397 /* PFC section */ 1398 /******************************************************************/ 1399 static void bnx2x_update_pfc_xmac(struct link_params *params, 1400 struct link_vars *vars, 1401 u8 is_lb) 1402 { 1403 struct bnx2x *bp = params->bp; 1404 u32 xmac_base; 1405 u32 pause_val, pfc0_val, pfc1_val; 1406 1407 /* XMAC base adrr */ 1408 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0; 1409 1410 /* Initialize pause and pfc registers */ 1411 pause_val = 0x18000; 1412 pfc0_val = 0xFFFF8000; 1413 pfc1_val = 0x2; 1414 1415 /* No PFC support */ 1416 if (!(params->feature_config_flags & 1417 FEATURE_CONFIG_PFC_ENABLED)) { 1418 1419 /* RX flow control - Process pause frame in receive direction 1420 */ 1421 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX) 1422 pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN; 1423 1424 /* TX flow control - Send pause packet when buffer is full */ 1425 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) 1426 pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN; 1427 } else {/* PFC support */ 1428 pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN | 1429 XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN | 1430 XMAC_PFC_CTRL_HI_REG_RX_PFC_EN | 1431 XMAC_PFC_CTRL_HI_REG_TX_PFC_EN | 1432 XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON; 1433 /* Write pause and PFC registers */ 1434 REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val); 1435 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val); 1436 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val); 1437 pfc1_val &= ~XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON; 1438 1439 } 1440 1441 /* Write pause and PFC registers */ 1442 REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val); 1443 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val); 1444 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val); 1445 1446 1447 /* Set MAC address for source TX Pause/PFC frames */ 1448 REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_LO, 1449 ((params->mac_addr[2] << 24) | 1450 (params->mac_addr[3] << 16) | 1451 (params->mac_addr[4] << 8) | 1452 (params->mac_addr[5]))); 1453 REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_HI, 1454 ((params->mac_addr[0] << 8) | 1455 (params->mac_addr[1]))); 1456 1457 udelay(30); 1458 } 1459 1460 1461 static void bnx2x_emac_get_pfc_stat(struct link_params *params, 1462 u32 pfc_frames_sent[2], 1463 u32 pfc_frames_received[2]) 1464 { 1465 /* Read pfc statistic */ 1466 struct bnx2x *bp = params->bp; 1467 u32 emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0; 1468 u32 val_xon = 0; 1469 u32 val_xoff = 0; 1470 1471 DP(NETIF_MSG_LINK, "pfc statistic read from EMAC\n"); 1472 1473 /* PFC received frames */ 1474 val_xoff = REG_RD(bp, emac_base + 1475 EMAC_REG_RX_PFC_STATS_XOFF_RCVD); 1476 val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_RCVD_COUNT; 1477 val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_RCVD); 1478 val_xon &= EMAC_REG_RX_PFC_STATS_XON_RCVD_COUNT; 1479 1480 pfc_frames_received[0] = val_xon + val_xoff; 1481 1482 /* PFC received sent */ 1483 val_xoff = REG_RD(bp, emac_base + 1484 EMAC_REG_RX_PFC_STATS_XOFF_SENT); 1485 val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_SENT_COUNT; 1486 val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_SENT); 1487 val_xon &= EMAC_REG_RX_PFC_STATS_XON_SENT_COUNT; 1488 1489 pfc_frames_sent[0] = val_xon + val_xoff; 1490 } 1491 1492 /* Read pfc statistic*/ 1493 void bnx2x_pfc_statistic(struct link_params *params, struct link_vars *vars, 1494 u32 pfc_frames_sent[2], 1495 u32 pfc_frames_received[2]) 1496 { 1497 /* Read pfc statistic */ 1498 struct bnx2x *bp = params->bp; 1499 1500 DP(NETIF_MSG_LINK, "pfc statistic\n"); 1501 1502 if (!vars->link_up) 1503 return; 1504 1505 if (vars->mac_type == MAC_TYPE_EMAC) { 1506 DP(NETIF_MSG_LINK, "About to read PFC stats from EMAC\n"); 1507 bnx2x_emac_get_pfc_stat(params, pfc_frames_sent, 1508 pfc_frames_received); 1509 } 1510 } 1511 /******************************************************************/ 1512 /* MAC/PBF section */ 1513 /******************************************************************/ 1514 static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id, u8 port) 1515 { 1516 u32 mode, emac_base; 1517 /* Set clause 45 mode, slow down the MDIO clock to 2.5MHz 1518 * (a value of 49==0x31) and make sure that the AUTO poll is off 1519 */ 1520 1521 if (CHIP_IS_E2(bp)) 1522 emac_base = GRCBASE_EMAC0; 1523 else 1524 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0; 1525 mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE); 1526 mode &= ~(EMAC_MDIO_MODE_AUTO_POLL | 1527 EMAC_MDIO_MODE_CLOCK_CNT); 1528 if (USES_WARPCORE(bp)) 1529 mode |= (74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT); 1530 else 1531 mode |= (49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT); 1532 1533 mode |= (EMAC_MDIO_MODE_CLAUSE_45); 1534 REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, mode); 1535 1536 udelay(40); 1537 } 1538 static u8 bnx2x_is_4_port_mode(struct bnx2x *bp) 1539 { 1540 u32 port4mode_ovwr_val; 1541 /* Check 4-port override enabled */ 1542 port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR); 1543 if (port4mode_ovwr_val & (1<<0)) { 1544 /* Return 4-port mode override value */ 1545 return ((port4mode_ovwr_val & (1<<1)) == (1<<1)); 1546 } 1547 /* Return 4-port mode from input pin */ 1548 return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN); 1549 } 1550 1551 static void bnx2x_emac_init(struct link_params *params, 1552 struct link_vars *vars) 1553 { 1554 /* reset and unreset the emac core */ 1555 struct bnx2x *bp = params->bp; 1556 u8 port = params->port; 1557 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0; 1558 u32 val; 1559 u16 timeout; 1560 1561 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 1562 (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port)); 1563 udelay(5); 1564 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 1565 (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port)); 1566 1567 /* init emac - use read-modify-write */ 1568 /* self clear reset */ 1569 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE); 1570 EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET)); 1571 1572 timeout = 200; 1573 do { 1574 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE); 1575 DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val); 1576 if (!timeout) { 1577 DP(NETIF_MSG_LINK, "EMAC timeout!\n"); 1578 return; 1579 } 1580 timeout--; 1581 } while (val & EMAC_MODE_RESET); 1582 bnx2x_set_mdio_clk(bp, params->chip_id, port); 1583 /* Set mac address */ 1584 val = ((params->mac_addr[0] << 8) | 1585 params->mac_addr[1]); 1586 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val); 1587 1588 val = ((params->mac_addr[2] << 24) | 1589 (params->mac_addr[3] << 16) | 1590 (params->mac_addr[4] << 8) | 1591 params->mac_addr[5]); 1592 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val); 1593 } 1594 1595 static void bnx2x_set_xumac_nig(struct link_params *params, 1596 u16 tx_pause_en, 1597 u8 enable) 1598 { 1599 struct bnx2x *bp = params->bp; 1600 1601 REG_WR(bp, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN, 1602 enable); 1603 REG_WR(bp, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN, 1604 enable); 1605 REG_WR(bp, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN : 1606 NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en); 1607 } 1608 1609 static void bnx2x_umac_disable(struct link_params *params) 1610 { 1611 u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0; 1612 struct bnx2x *bp = params->bp; 1613 if (!(REG_RD(bp, MISC_REG_RESET_REG_2) & 1614 (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port))) 1615 return; 1616 1617 /* Disable RX and TX */ 1618 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, 0); 1619 } 1620 1621 static void bnx2x_umac_enable(struct link_params *params, 1622 struct link_vars *vars, u8 lb) 1623 { 1624 u32 val; 1625 u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0; 1626 struct bnx2x *bp = params->bp; 1627 /* Reset UMAC */ 1628 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 1629 (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port)); 1630 usleep_range(1000, 2000); 1631 1632 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 1633 (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port)); 1634 1635 DP(NETIF_MSG_LINK, "enabling UMAC\n"); 1636 1637 /* This register opens the gate for the UMAC despite its name */ 1638 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1); 1639 1640 val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN | 1641 UMAC_COMMAND_CONFIG_REG_PAD_EN | 1642 UMAC_COMMAND_CONFIG_REG_SW_RESET | 1643 UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK; 1644 switch (vars->line_speed) { 1645 case SPEED_10: 1646 val |= (0<<2); 1647 break; 1648 case SPEED_100: 1649 val |= (1<<2); 1650 break; 1651 case SPEED_1000: 1652 val |= (2<<2); 1653 break; 1654 case SPEED_2500: 1655 val |= (3<<2); 1656 break; 1657 default: 1658 DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n", 1659 vars->line_speed); 1660 break; 1661 } 1662 if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)) 1663 val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE; 1664 1665 if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)) 1666 val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE; 1667 1668 if (vars->duplex == DUPLEX_HALF) 1669 val |= UMAC_COMMAND_CONFIG_REG_HD_ENA; 1670 1671 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val); 1672 udelay(50); 1673 1674 /* Set MAC address for source TX Pause/PFC frames (under SW reset) */ 1675 REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR0, 1676 ((params->mac_addr[2] << 24) | 1677 (params->mac_addr[3] << 16) | 1678 (params->mac_addr[4] << 8) | 1679 (params->mac_addr[5]))); 1680 REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR1, 1681 ((params->mac_addr[0] << 8) | 1682 (params->mac_addr[1]))); 1683 1684 /* Enable RX and TX */ 1685 val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN; 1686 val |= UMAC_COMMAND_CONFIG_REG_TX_ENA | 1687 UMAC_COMMAND_CONFIG_REG_RX_ENA; 1688 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val); 1689 udelay(50); 1690 1691 /* Remove SW Reset */ 1692 val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET; 1693 1694 /* Check loopback mode */ 1695 if (lb) 1696 val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA; 1697 REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val); 1698 1699 /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame 1700 * length used by the MAC receive logic to check frames. 1701 */ 1702 REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710); 1703 bnx2x_set_xumac_nig(params, 1704 ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1); 1705 vars->mac_type = MAC_TYPE_UMAC; 1706 1707 } 1708 1709 /* Define the XMAC mode */ 1710 static void bnx2x_xmac_init(struct link_params *params, u32 max_speed) 1711 { 1712 struct bnx2x *bp = params->bp; 1713 u32 is_port4mode = bnx2x_is_4_port_mode(bp); 1714 1715 /* In 4-port mode, need to set the mode only once, so if XMAC is 1716 * already out of reset, it means the mode has already been set, 1717 * and it must not* reset the XMAC again, since it controls both 1718 * ports of the path 1719 */ 1720 1721 if ((CHIP_NUM(bp) == CHIP_NUM_57840_4_10) && 1722 (REG_RD(bp, MISC_REG_RESET_REG_2) & 1723 MISC_REGISTERS_RESET_REG_2_XMAC)) { 1724 DP(NETIF_MSG_LINK, 1725 "XMAC already out of reset in 4-port mode\n"); 1726 return; 1727 } 1728 1729 /* Hard reset */ 1730 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 1731 MISC_REGISTERS_RESET_REG_2_XMAC); 1732 usleep_range(1000, 2000); 1733 1734 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 1735 MISC_REGISTERS_RESET_REG_2_XMAC); 1736 if (is_port4mode) { 1737 DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n"); 1738 1739 /* Set the number of ports on the system side to up to 2 */ 1740 REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1); 1741 1742 /* Set the number of ports on the Warp Core to 10G */ 1743 REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3); 1744 } else { 1745 /* Set the number of ports on the system side to 1 */ 1746 REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0); 1747 if (max_speed == SPEED_10000) { 1748 DP(NETIF_MSG_LINK, 1749 "Init XMAC to 10G x 1 port per path\n"); 1750 /* Set the number of ports on the Warp Core to 10G */ 1751 REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3); 1752 } else { 1753 DP(NETIF_MSG_LINK, 1754 "Init XMAC to 20G x 2 ports per path\n"); 1755 /* Set the number of ports on the Warp Core to 20G */ 1756 REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1); 1757 } 1758 } 1759 /* Soft reset */ 1760 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 1761 MISC_REGISTERS_RESET_REG_2_XMAC_SOFT); 1762 usleep_range(1000, 2000); 1763 1764 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 1765 MISC_REGISTERS_RESET_REG_2_XMAC_SOFT); 1766 1767 } 1768 1769 static void bnx2x_xmac_disable(struct link_params *params) 1770 { 1771 u8 port = params->port; 1772 struct bnx2x *bp = params->bp; 1773 u32 pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0; 1774 1775 if (REG_RD(bp, MISC_REG_RESET_REG_2) & 1776 MISC_REGISTERS_RESET_REG_2_XMAC) { 1777 /* Send an indication to change the state in the NIG back to XON 1778 * Clearing this bit enables the next set of this bit to get 1779 * rising edge 1780 */ 1781 pfc_ctrl = REG_RD(bp, xmac_base + XMAC_REG_PFC_CTRL_HI); 1782 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, 1783 (pfc_ctrl & ~(1<<1))); 1784 REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, 1785 (pfc_ctrl | (1<<1))); 1786 DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port); 1787 REG_WR(bp, xmac_base + XMAC_REG_CTRL, 0); 1788 } 1789 } 1790 1791 static int bnx2x_xmac_enable(struct link_params *params, 1792 struct link_vars *vars, u8 lb) 1793 { 1794 u32 val, xmac_base; 1795 struct bnx2x *bp = params->bp; 1796 DP(NETIF_MSG_LINK, "enabling XMAC\n"); 1797 1798 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0; 1799 1800 bnx2x_xmac_init(params, vars->line_speed); 1801 1802 /* This register determines on which events the MAC will assert 1803 * error on the i/f to the NIG along w/ EOP. 1804 */ 1805 1806 /* This register tells the NIG whether to send traffic to UMAC 1807 * or XMAC 1808 */ 1809 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0); 1810 1811 /* Set Max packet size */ 1812 REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710); 1813 1814 /* CRC append for Tx packets */ 1815 REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800); 1816 1817 /* update PFC */ 1818 bnx2x_update_pfc_xmac(params, vars, 0); 1819 1820 if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) { 1821 DP(NETIF_MSG_LINK, "Setting XMAC for EEE\n"); 1822 REG_WR(bp, xmac_base + XMAC_REG_EEE_TIMERS_HI, 0x1380008); 1823 REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x1); 1824 } else { 1825 REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x0); 1826 } 1827 1828 /* Enable TX and RX */ 1829 val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN; 1830 1831 /* Check loopback mode */ 1832 if (lb) 1833 val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK; 1834 REG_WR(bp, xmac_base + XMAC_REG_CTRL, val); 1835 bnx2x_set_xumac_nig(params, 1836 ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1); 1837 1838 vars->mac_type = MAC_TYPE_XMAC; 1839 1840 return 0; 1841 } 1842 1843 static int bnx2x_emac_enable(struct link_params *params, 1844 struct link_vars *vars, u8 lb) 1845 { 1846 struct bnx2x *bp = params->bp; 1847 u8 port = params->port; 1848 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0; 1849 u32 val; 1850 1851 DP(NETIF_MSG_LINK, "enabling EMAC\n"); 1852 1853 /* Disable BMAC */ 1854 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 1855 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port)); 1856 1857 /* enable emac and not bmac */ 1858 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1); 1859 1860 /* ASIC */ 1861 if (vars->phy_flags & PHY_XGXS_FLAG) { 1862 u32 ser_lane = ((params->lane_config & 1863 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >> 1864 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT); 1865 1866 DP(NETIF_MSG_LINK, "XGXS\n"); 1867 /* select the master lanes (out of 0-3) */ 1868 REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane); 1869 /* select XGXS */ 1870 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1); 1871 1872 } else { /* SerDes */ 1873 DP(NETIF_MSG_LINK, "SerDes\n"); 1874 /* select SerDes */ 1875 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0); 1876 } 1877 1878 bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE, 1879 EMAC_RX_MODE_RESET); 1880 bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE, 1881 EMAC_TX_MODE_RESET); 1882 1883 /* pause enable/disable */ 1884 bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE, 1885 EMAC_RX_MODE_FLOW_EN); 1886 1887 bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE, 1888 (EMAC_TX_MODE_EXT_PAUSE_EN | 1889 EMAC_TX_MODE_FLOW_EN)); 1890 if (!(params->feature_config_flags & 1891 FEATURE_CONFIG_PFC_ENABLED)) { 1892 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX) 1893 bnx2x_bits_en(bp, emac_base + 1894 EMAC_REG_EMAC_RX_MODE, 1895 EMAC_RX_MODE_FLOW_EN); 1896 1897 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) 1898 bnx2x_bits_en(bp, emac_base + 1899 EMAC_REG_EMAC_TX_MODE, 1900 (EMAC_TX_MODE_EXT_PAUSE_EN | 1901 EMAC_TX_MODE_FLOW_EN)); 1902 } else 1903 bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE, 1904 EMAC_TX_MODE_FLOW_EN); 1905 1906 /* KEEP_VLAN_TAG, promiscuous */ 1907 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE); 1908 val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS; 1909 1910 /* Setting this bit causes MAC control frames (except for pause 1911 * frames) to be passed on for processing. This setting has no 1912 * affect on the operation of the pause frames. This bit effects 1913 * all packets regardless of RX Parser packet sorting logic. 1914 * Turn the PFC off to make sure we are in Xon state before 1915 * enabling it. 1916 */ 1917 EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0); 1918 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) { 1919 DP(NETIF_MSG_LINK, "PFC is enabled\n"); 1920 /* Enable PFC again */ 1921 EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 1922 EMAC_REG_RX_PFC_MODE_RX_EN | 1923 EMAC_REG_RX_PFC_MODE_TX_EN | 1924 EMAC_REG_RX_PFC_MODE_PRIORITIES); 1925 1926 EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM, 1927 ((0x0101 << 1928 EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) | 1929 (0x00ff << 1930 EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT))); 1931 val |= EMAC_RX_MODE_KEEP_MAC_CONTROL; 1932 } 1933 EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val); 1934 1935 /* Set Loopback */ 1936 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE); 1937 if (lb) 1938 val |= 0x810; 1939 else 1940 val &= ~0x810; 1941 EMAC_WR(bp, EMAC_REG_EMAC_MODE, val); 1942 1943 /* Enable emac */ 1944 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1); 1945 1946 /* Enable emac for jumbo packets */ 1947 EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE, 1948 (EMAC_RX_MTU_SIZE_JUMBO_ENA | 1949 (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD))); 1950 1951 /* Strip CRC */ 1952 REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1); 1953 1954 /* Disable the NIG in/out to the bmac */ 1955 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0); 1956 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0); 1957 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0); 1958 1959 /* Enable the NIG in/out to the emac */ 1960 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1); 1961 val = 0; 1962 if ((params->feature_config_flags & 1963 FEATURE_CONFIG_PFC_ENABLED) || 1964 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)) 1965 val = 1; 1966 1967 REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val); 1968 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1); 1969 1970 REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0); 1971 1972 vars->mac_type = MAC_TYPE_EMAC; 1973 return 0; 1974 } 1975 1976 static void bnx2x_update_pfc_bmac1(struct link_params *params, 1977 struct link_vars *vars) 1978 { 1979 u32 wb_data[2]; 1980 struct bnx2x *bp = params->bp; 1981 u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM : 1982 NIG_REG_INGRESS_BMAC0_MEM; 1983 1984 u32 val = 0x14; 1985 if ((!(params->feature_config_flags & 1986 FEATURE_CONFIG_PFC_ENABLED)) && 1987 (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)) 1988 /* Enable BigMAC to react on received Pause packets */ 1989 val |= (1<<5); 1990 wb_data[0] = val; 1991 wb_data[1] = 0; 1992 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2); 1993 1994 /* TX control */ 1995 val = 0xc0; 1996 if (!(params->feature_config_flags & 1997 FEATURE_CONFIG_PFC_ENABLED) && 1998 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)) 1999 val |= 0x800000; 2000 wb_data[0] = val; 2001 wb_data[1] = 0; 2002 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2); 2003 } 2004 2005 static void bnx2x_update_pfc_bmac2(struct link_params *params, 2006 struct link_vars *vars, 2007 u8 is_lb) 2008 { 2009 /* Set rx control: Strip CRC and enable BigMAC to relay 2010 * control packets to the system as well 2011 */ 2012 u32 wb_data[2]; 2013 struct bnx2x *bp = params->bp; 2014 u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM : 2015 NIG_REG_INGRESS_BMAC0_MEM; 2016 u32 val = 0x14; 2017 2018 if ((!(params->feature_config_flags & 2019 FEATURE_CONFIG_PFC_ENABLED)) && 2020 (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)) 2021 /* Enable BigMAC to react on received Pause packets */ 2022 val |= (1<<5); 2023 wb_data[0] = val; 2024 wb_data[1] = 0; 2025 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2); 2026 udelay(30); 2027 2028 /* Tx control */ 2029 val = 0xc0; 2030 if (!(params->feature_config_flags & 2031 FEATURE_CONFIG_PFC_ENABLED) && 2032 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)) 2033 val |= 0x800000; 2034 wb_data[0] = val; 2035 wb_data[1] = 0; 2036 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2); 2037 2038 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) { 2039 DP(NETIF_MSG_LINK, "PFC is enabled\n"); 2040 /* Enable PFC RX & TX & STATS and set 8 COS */ 2041 wb_data[0] = 0x0; 2042 wb_data[0] |= (1<<0); /* RX */ 2043 wb_data[0] |= (1<<1); /* TX */ 2044 wb_data[0] |= (1<<2); /* Force initial Xon */ 2045 wb_data[0] |= (1<<3); /* 8 cos */ 2046 wb_data[0] |= (1<<5); /* STATS */ 2047 wb_data[1] = 0; 2048 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, 2049 wb_data, 2); 2050 /* Clear the force Xon */ 2051 wb_data[0] &= ~(1<<2); 2052 } else { 2053 DP(NETIF_MSG_LINK, "PFC is disabled\n"); 2054 /* Disable PFC RX & TX & STATS and set 8 COS */ 2055 wb_data[0] = 0x8; 2056 wb_data[1] = 0; 2057 } 2058 2059 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2); 2060 2061 /* Set Time (based unit is 512 bit time) between automatic 2062 * re-sending of PP packets amd enable automatic re-send of 2063 * Per-Priroity Packet as long as pp_gen is asserted and 2064 * pp_disable is low. 2065 */ 2066 val = 0x8000; 2067 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) 2068 val |= (1<<16); /* enable automatic re-send */ 2069 2070 wb_data[0] = val; 2071 wb_data[1] = 0; 2072 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL, 2073 wb_data, 2); 2074 2075 /* mac control */ 2076 val = 0x3; /* Enable RX and TX */ 2077 if (is_lb) { 2078 val |= 0x4; /* Local loopback */ 2079 DP(NETIF_MSG_LINK, "enable bmac loopback\n"); 2080 } 2081 /* When PFC enabled, Pass pause frames towards the NIG. */ 2082 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) 2083 val |= ((1<<6)|(1<<5)); 2084 2085 wb_data[0] = val; 2086 wb_data[1] = 0; 2087 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2); 2088 } 2089 2090 /* PFC BRB internal port configuration params */ 2091 struct bnx2x_pfc_brb_threshold_val { 2092 u32 pause_xoff; 2093 u32 pause_xon; 2094 u32 full_xoff; 2095 u32 full_xon; 2096 }; 2097 2098 struct bnx2x_pfc_brb_e3b0_val { 2099 u32 per_class_guaranty_mode; 2100 u32 lb_guarantied_hyst; 2101 u32 full_lb_xoff_th; 2102 u32 full_lb_xon_threshold; 2103 u32 lb_guarantied; 2104 u32 mac_0_class_t_guarantied; 2105 u32 mac_0_class_t_guarantied_hyst; 2106 u32 mac_1_class_t_guarantied; 2107 u32 mac_1_class_t_guarantied_hyst; 2108 }; 2109 2110 struct bnx2x_pfc_brb_th_val { 2111 struct bnx2x_pfc_brb_threshold_val pauseable_th; 2112 struct bnx2x_pfc_brb_threshold_val non_pauseable_th; 2113 struct bnx2x_pfc_brb_threshold_val default_class0; 2114 struct bnx2x_pfc_brb_threshold_val default_class1; 2115 2116 }; 2117 static int bnx2x_pfc_brb_get_config_params( 2118 struct link_params *params, 2119 struct bnx2x_pfc_brb_th_val *config_val) 2120 { 2121 struct bnx2x *bp = params->bp; 2122 DP(NETIF_MSG_LINK, "Setting PFC BRB configuration\n"); 2123 2124 config_val->default_class1.pause_xoff = 0; 2125 config_val->default_class1.pause_xon = 0; 2126 config_val->default_class1.full_xoff = 0; 2127 config_val->default_class1.full_xon = 0; 2128 2129 if (CHIP_IS_E2(bp)) { 2130 /* Class0 defaults */ 2131 config_val->default_class0.pause_xoff = 2132 DEFAULT0_E2_BRB_MAC_PAUSE_XOFF_THR; 2133 config_val->default_class0.pause_xon = 2134 DEFAULT0_E2_BRB_MAC_PAUSE_XON_THR; 2135 config_val->default_class0.full_xoff = 2136 DEFAULT0_E2_BRB_MAC_FULL_XOFF_THR; 2137 config_val->default_class0.full_xon = 2138 DEFAULT0_E2_BRB_MAC_FULL_XON_THR; 2139 /* Pause able*/ 2140 config_val->pauseable_th.pause_xoff = 2141 PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE; 2142 config_val->pauseable_th.pause_xon = 2143 PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE; 2144 config_val->pauseable_th.full_xoff = 2145 PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE; 2146 config_val->pauseable_th.full_xon = 2147 PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE; 2148 /* Non pause able*/ 2149 config_val->non_pauseable_th.pause_xoff = 2150 PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE; 2151 config_val->non_pauseable_th.pause_xon = 2152 PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE; 2153 config_val->non_pauseable_th.full_xoff = 2154 PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE; 2155 config_val->non_pauseable_th.full_xon = 2156 PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE; 2157 } else if (CHIP_IS_E3A0(bp)) { 2158 /* Class0 defaults */ 2159 config_val->default_class0.pause_xoff = 2160 DEFAULT0_E3A0_BRB_MAC_PAUSE_XOFF_THR; 2161 config_val->default_class0.pause_xon = 2162 DEFAULT0_E3A0_BRB_MAC_PAUSE_XON_THR; 2163 config_val->default_class0.full_xoff = 2164 DEFAULT0_E3A0_BRB_MAC_FULL_XOFF_THR; 2165 config_val->default_class0.full_xon = 2166 DEFAULT0_E3A0_BRB_MAC_FULL_XON_THR; 2167 /* Pause able */ 2168 config_val->pauseable_th.pause_xoff = 2169 PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE; 2170 config_val->pauseable_th.pause_xon = 2171 PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE; 2172 config_val->pauseable_th.full_xoff = 2173 PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE; 2174 config_val->pauseable_th.full_xon = 2175 PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE; 2176 /* Non pause able*/ 2177 config_val->non_pauseable_th.pause_xoff = 2178 PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE; 2179 config_val->non_pauseable_th.pause_xon = 2180 PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE; 2181 config_val->non_pauseable_th.full_xoff = 2182 PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE; 2183 config_val->non_pauseable_th.full_xon = 2184 PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE; 2185 } else if (CHIP_IS_E3B0(bp)) { 2186 /* Class0 defaults */ 2187 config_val->default_class0.pause_xoff = 2188 DEFAULT0_E3B0_BRB_MAC_PAUSE_XOFF_THR; 2189 config_val->default_class0.pause_xon = 2190 DEFAULT0_E3B0_BRB_MAC_PAUSE_XON_THR; 2191 config_val->default_class0.full_xoff = 2192 DEFAULT0_E3B0_BRB_MAC_FULL_XOFF_THR; 2193 config_val->default_class0.full_xon = 2194 DEFAULT0_E3B0_BRB_MAC_FULL_XON_THR; 2195 2196 if (params->phy[INT_PHY].flags & 2197 FLAGS_4_PORT_MODE) { 2198 config_val->pauseable_th.pause_xoff = 2199 PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE; 2200 config_val->pauseable_th.pause_xon = 2201 PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE; 2202 config_val->pauseable_th.full_xoff = 2203 PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE; 2204 config_val->pauseable_th.full_xon = 2205 PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE; 2206 /* Non pause able*/ 2207 config_val->non_pauseable_th.pause_xoff = 2208 PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE; 2209 config_val->non_pauseable_th.pause_xon = 2210 PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE; 2211 config_val->non_pauseable_th.full_xoff = 2212 PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE; 2213 config_val->non_pauseable_th.full_xon = 2214 PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE; 2215 } else { 2216 config_val->pauseable_th.pause_xoff = 2217 PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE; 2218 config_val->pauseable_th.pause_xon = 2219 PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE; 2220 config_val->pauseable_th.full_xoff = 2221 PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE; 2222 config_val->pauseable_th.full_xon = 2223 PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE; 2224 /* Non pause able*/ 2225 config_val->non_pauseable_th.pause_xoff = 2226 PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE; 2227 config_val->non_pauseable_th.pause_xon = 2228 PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE; 2229 config_val->non_pauseable_th.full_xoff = 2230 PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE; 2231 config_val->non_pauseable_th.full_xon = 2232 PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE; 2233 } 2234 } else 2235 return -EINVAL; 2236 2237 return 0; 2238 } 2239 2240 static void bnx2x_pfc_brb_get_e3b0_config_params( 2241 struct link_params *params, 2242 struct bnx2x_pfc_brb_e3b0_val 2243 *e3b0_val, 2244 struct bnx2x_nig_brb_pfc_port_params *pfc_params, 2245 const u8 pfc_enabled) 2246 { 2247 if (pfc_enabled && pfc_params) { 2248 e3b0_val->per_class_guaranty_mode = 1; 2249 e3b0_val->lb_guarantied_hyst = 80; 2250 2251 if (params->phy[INT_PHY].flags & 2252 FLAGS_4_PORT_MODE) { 2253 e3b0_val->full_lb_xoff_th = 2254 PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR; 2255 e3b0_val->full_lb_xon_threshold = 2256 PFC_E3B0_4P_BRB_FULL_LB_XON_THR; 2257 e3b0_val->lb_guarantied = 2258 PFC_E3B0_4P_LB_GUART; 2259 e3b0_val->mac_0_class_t_guarantied = 2260 PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART; 2261 e3b0_val->mac_0_class_t_guarantied_hyst = 2262 PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST; 2263 e3b0_val->mac_1_class_t_guarantied = 2264 PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART; 2265 e3b0_val->mac_1_class_t_guarantied_hyst = 2266 PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST; 2267 } else { 2268 e3b0_val->full_lb_xoff_th = 2269 PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR; 2270 e3b0_val->full_lb_xon_threshold = 2271 PFC_E3B0_2P_BRB_FULL_LB_XON_THR; 2272 e3b0_val->mac_0_class_t_guarantied_hyst = 2273 PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST; 2274 e3b0_val->mac_1_class_t_guarantied = 2275 PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART; 2276 e3b0_val->mac_1_class_t_guarantied_hyst = 2277 PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST; 2278 2279 if (pfc_params->cos0_pauseable != 2280 pfc_params->cos1_pauseable) { 2281 /* Nonpauseable= Lossy + pauseable = Lossless*/ 2282 e3b0_val->lb_guarantied = 2283 PFC_E3B0_2P_MIX_PAUSE_LB_GUART; 2284 e3b0_val->mac_0_class_t_guarantied = 2285 PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART; 2286 } else if (pfc_params->cos0_pauseable) { 2287 /* Lossless +Lossless*/ 2288 e3b0_val->lb_guarantied = 2289 PFC_E3B0_2P_PAUSE_LB_GUART; 2290 e3b0_val->mac_0_class_t_guarantied = 2291 PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART; 2292 } else { 2293 /* Lossy +Lossy*/ 2294 e3b0_val->lb_guarantied = 2295 PFC_E3B0_2P_NON_PAUSE_LB_GUART; 2296 e3b0_val->mac_0_class_t_guarantied = 2297 PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART; 2298 } 2299 } 2300 } else { 2301 e3b0_val->per_class_guaranty_mode = 0; 2302 e3b0_val->lb_guarantied_hyst = 0; 2303 e3b0_val->full_lb_xoff_th = 2304 DEFAULT_E3B0_BRB_FULL_LB_XOFF_THR; 2305 e3b0_val->full_lb_xon_threshold = 2306 DEFAULT_E3B0_BRB_FULL_LB_XON_THR; 2307 e3b0_val->lb_guarantied = 2308 DEFAULT_E3B0_LB_GUART; 2309 e3b0_val->mac_0_class_t_guarantied = 2310 DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART; 2311 e3b0_val->mac_0_class_t_guarantied_hyst = 2312 DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART_HYST; 2313 e3b0_val->mac_1_class_t_guarantied = 2314 DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART; 2315 e3b0_val->mac_1_class_t_guarantied_hyst = 2316 DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART_HYST; 2317 } 2318 } 2319 static int bnx2x_update_pfc_brb(struct link_params *params, 2320 struct link_vars *vars, 2321 struct bnx2x_nig_brb_pfc_port_params 2322 *pfc_params) 2323 { 2324 struct bnx2x *bp = params->bp; 2325 struct bnx2x_pfc_brb_th_val config_val = { {0} }; 2326 struct bnx2x_pfc_brb_threshold_val *reg_th_config = 2327 &config_val.pauseable_th; 2328 struct bnx2x_pfc_brb_e3b0_val e3b0_val = {0}; 2329 const int set_pfc = params->feature_config_flags & 2330 FEATURE_CONFIG_PFC_ENABLED; 2331 const u8 pfc_enabled = (set_pfc && pfc_params); 2332 int bnx2x_status = 0; 2333 u8 port = params->port; 2334 2335 /* default - pause configuration */ 2336 reg_th_config = &config_val.pauseable_th; 2337 bnx2x_status = bnx2x_pfc_brb_get_config_params(params, &config_val); 2338 if (bnx2x_status) 2339 return bnx2x_status; 2340 2341 if (pfc_enabled) { 2342 /* First COS */ 2343 if (pfc_params->cos0_pauseable) 2344 reg_th_config = &config_val.pauseable_th; 2345 else 2346 reg_th_config = &config_val.non_pauseable_th; 2347 } else 2348 reg_th_config = &config_val.default_class0; 2349 /* The number of free blocks below which the pause signal to class 0 2350 * of MAC #n is asserted. n=0,1 2351 */ 2352 REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XOFF_THRESHOLD_1 : 2353 BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 , 2354 reg_th_config->pause_xoff); 2355 /* The number of free blocks above which the pause signal to class 0 2356 * of MAC #n is de-asserted. n=0,1 2357 */ 2358 REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XON_THRESHOLD_1 : 2359 BRB1_REG_PAUSE_0_XON_THRESHOLD_0 , reg_th_config->pause_xon); 2360 /* The number of free blocks below which the full signal to class 0 2361 * of MAC #n is asserted. n=0,1 2362 */ 2363 REG_WR(bp, (port) ? BRB1_REG_FULL_0_XOFF_THRESHOLD_1 : 2364 BRB1_REG_FULL_0_XOFF_THRESHOLD_0 , reg_th_config->full_xoff); 2365 /* The number of free blocks above which the full signal to class 0 2366 * of MAC #n is de-asserted. n=0,1 2367 */ 2368 REG_WR(bp, (port) ? BRB1_REG_FULL_0_XON_THRESHOLD_1 : 2369 BRB1_REG_FULL_0_XON_THRESHOLD_0 , reg_th_config->full_xon); 2370 2371 if (pfc_enabled) { 2372 /* Second COS */ 2373 if (pfc_params->cos1_pauseable) 2374 reg_th_config = &config_val.pauseable_th; 2375 else 2376 reg_th_config = &config_val.non_pauseable_th; 2377 } else 2378 reg_th_config = &config_val.default_class1; 2379 /* The number of free blocks below which the pause signal to 2380 * class 1 of MAC #n is asserted. n=0,1 2381 */ 2382 REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XOFF_THRESHOLD_1 : 2383 BRB1_REG_PAUSE_1_XOFF_THRESHOLD_0, 2384 reg_th_config->pause_xoff); 2385 2386 /* The number of free blocks above which the pause signal to 2387 * class 1 of MAC #n is de-asserted. n=0,1 2388 */ 2389 REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XON_THRESHOLD_1 : 2390 BRB1_REG_PAUSE_1_XON_THRESHOLD_0, 2391 reg_th_config->pause_xon); 2392 /* The number of free blocks below which the full signal to 2393 * class 1 of MAC #n is asserted. n=0,1 2394 */ 2395 REG_WR(bp, (port) ? BRB1_REG_FULL_1_XOFF_THRESHOLD_1 : 2396 BRB1_REG_FULL_1_XOFF_THRESHOLD_0, 2397 reg_th_config->full_xoff); 2398 /* The number of free blocks above which the full signal to 2399 * class 1 of MAC #n is de-asserted. n=0,1 2400 */ 2401 REG_WR(bp, (port) ? BRB1_REG_FULL_1_XON_THRESHOLD_1 : 2402 BRB1_REG_FULL_1_XON_THRESHOLD_0, 2403 reg_th_config->full_xon); 2404 2405 if (CHIP_IS_E3B0(bp)) { 2406 bnx2x_pfc_brb_get_e3b0_config_params( 2407 params, 2408 &e3b0_val, 2409 pfc_params, 2410 pfc_enabled); 2411 2412 REG_WR(bp, BRB1_REG_PER_CLASS_GUARANTY_MODE, 2413 e3b0_val.per_class_guaranty_mode); 2414 2415 /* The hysteresis on the guarantied buffer space for the Lb 2416 * port before signaling XON. 2417 */ 2418 REG_WR(bp, BRB1_REG_LB_GUARANTIED_HYST, 2419 e3b0_val.lb_guarantied_hyst); 2420 2421 /* The number of free blocks below which the full signal to the 2422 * LB port is asserted. 2423 */ 2424 REG_WR(bp, BRB1_REG_FULL_LB_XOFF_THRESHOLD, 2425 e3b0_val.full_lb_xoff_th); 2426 /* The number of free blocks above which the full signal to the 2427 * LB port is de-asserted. 2428 */ 2429 REG_WR(bp, BRB1_REG_FULL_LB_XON_THRESHOLD, 2430 e3b0_val.full_lb_xon_threshold); 2431 /* The number of blocks guarantied for the MAC #n port. n=0,1 2432 */ 2433 2434 /* The number of blocks guarantied for the LB port. */ 2435 REG_WR(bp, BRB1_REG_LB_GUARANTIED, 2436 e3b0_val.lb_guarantied); 2437 2438 /* The number of blocks guarantied for the MAC #n port. */ 2439 REG_WR(bp, BRB1_REG_MAC_GUARANTIED_0, 2440 2 * e3b0_val.mac_0_class_t_guarantied); 2441 REG_WR(bp, BRB1_REG_MAC_GUARANTIED_1, 2442 2 * e3b0_val.mac_1_class_t_guarantied); 2443 /* The number of blocks guarantied for class #t in MAC0. t=0,1 2444 */ 2445 REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED, 2446 e3b0_val.mac_0_class_t_guarantied); 2447 REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED, 2448 e3b0_val.mac_0_class_t_guarantied); 2449 /* The hysteresis on the guarantied buffer space for class in 2450 * MAC0. t=0,1 2451 */ 2452 REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED_HYST, 2453 e3b0_val.mac_0_class_t_guarantied_hyst); 2454 REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED_HYST, 2455 e3b0_val.mac_0_class_t_guarantied_hyst); 2456 2457 /* The number of blocks guarantied for class #t in MAC1.t=0,1 2458 */ 2459 REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED, 2460 e3b0_val.mac_1_class_t_guarantied); 2461 REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED, 2462 e3b0_val.mac_1_class_t_guarantied); 2463 /* The hysteresis on the guarantied buffer space for class #t 2464 * in MAC1. t=0,1 2465 */ 2466 REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED_HYST, 2467 e3b0_val.mac_1_class_t_guarantied_hyst); 2468 REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED_HYST, 2469 e3b0_val.mac_1_class_t_guarantied_hyst); 2470 } 2471 2472 return bnx2x_status; 2473 } 2474 2475 /****************************************************************************** 2476 * Description: 2477 * This function is needed because NIG ARB_CREDIT_WEIGHT_X are 2478 * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable. 2479 ******************************************************************************/ 2480 static int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp, 2481 u8 cos_entry, 2482 u32 priority_mask, u8 port) 2483 { 2484 u32 nig_reg_rx_priority_mask_add = 0; 2485 2486 switch (cos_entry) { 2487 case 0: 2488 nig_reg_rx_priority_mask_add = (port) ? 2489 NIG_REG_P1_RX_COS0_PRIORITY_MASK : 2490 NIG_REG_P0_RX_COS0_PRIORITY_MASK; 2491 break; 2492 case 1: 2493 nig_reg_rx_priority_mask_add = (port) ? 2494 NIG_REG_P1_RX_COS1_PRIORITY_MASK : 2495 NIG_REG_P0_RX_COS1_PRIORITY_MASK; 2496 break; 2497 case 2: 2498 nig_reg_rx_priority_mask_add = (port) ? 2499 NIG_REG_P1_RX_COS2_PRIORITY_MASK : 2500 NIG_REG_P0_RX_COS2_PRIORITY_MASK; 2501 break; 2502 case 3: 2503 if (port) 2504 return -EINVAL; 2505 nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK; 2506 break; 2507 case 4: 2508 if (port) 2509 return -EINVAL; 2510 nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK; 2511 break; 2512 case 5: 2513 if (port) 2514 return -EINVAL; 2515 nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK; 2516 break; 2517 } 2518 2519 REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask); 2520 2521 return 0; 2522 } 2523 static void bnx2x_update_mng(struct link_params *params, u32 link_status) 2524 { 2525 struct bnx2x *bp = params->bp; 2526 2527 REG_WR(bp, params->shmem_base + 2528 offsetof(struct shmem_region, 2529 port_mb[params->port].link_status), link_status); 2530 } 2531 2532 static void bnx2x_update_mng_eee(struct link_params *params, u32 eee_status) 2533 { 2534 struct bnx2x *bp = params->bp; 2535 2536 if (bnx2x_eee_has_cap(params)) 2537 REG_WR(bp, params->shmem2_base + 2538 offsetof(struct shmem2_region, 2539 eee_status[params->port]), eee_status); 2540 } 2541 2542 static void bnx2x_update_pfc_nig(struct link_params *params, 2543 struct link_vars *vars, 2544 struct bnx2x_nig_brb_pfc_port_params *nig_params) 2545 { 2546 u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0; 2547 u32 llfc_enable = 0, xcm_out_en = 0, hwpfc_enable = 0; 2548 u32 pkt_priority_to_cos = 0; 2549 struct bnx2x *bp = params->bp; 2550 u8 port = params->port; 2551 2552 int set_pfc = params->feature_config_flags & 2553 FEATURE_CONFIG_PFC_ENABLED; 2554 DP(NETIF_MSG_LINK, "updating pfc nig parameters\n"); 2555 2556 /* When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set 2557 * MAC control frames (that are not pause packets) 2558 * will be forwarded to the XCM. 2559 */ 2560 xcm_mask = REG_RD(bp, port ? NIG_REG_LLH1_XCM_MASK : 2561 NIG_REG_LLH0_XCM_MASK); 2562 /* NIG params will override non PFC params, since it's possible to 2563 * do transition from PFC to SAFC 2564 */ 2565 if (set_pfc) { 2566 pause_enable = 0; 2567 llfc_out_en = 0; 2568 llfc_enable = 0; 2569 if (CHIP_IS_E3(bp)) 2570 ppp_enable = 0; 2571 else 2572 ppp_enable = 1; 2573 xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN : 2574 NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN); 2575 xcm_out_en = 0; 2576 hwpfc_enable = 1; 2577 } else { 2578 if (nig_params) { 2579 llfc_out_en = nig_params->llfc_out_en; 2580 llfc_enable = nig_params->llfc_enable; 2581 pause_enable = nig_params->pause_enable; 2582 } else /* Default non PFC mode - PAUSE */ 2583 pause_enable = 1; 2584 2585 xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN : 2586 NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN); 2587 xcm_out_en = 1; 2588 } 2589 2590 if (CHIP_IS_E3(bp)) 2591 REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN : 2592 NIG_REG_BRB0_PAUSE_IN_EN, pause_enable); 2593 REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 : 2594 NIG_REG_LLFC_OUT_EN_0, llfc_out_en); 2595 REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 : 2596 NIG_REG_LLFC_ENABLE_0, llfc_enable); 2597 REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 : 2598 NIG_REG_PAUSE_ENABLE_0, pause_enable); 2599 2600 REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 : 2601 NIG_REG_PPP_ENABLE_0, ppp_enable); 2602 2603 REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK : 2604 NIG_REG_LLH0_XCM_MASK, xcm_mask); 2605 2606 REG_WR(bp, port ? NIG_REG_LLFC_EGRESS_SRC_ENABLE_1 : 2607 NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7); 2608 2609 /* Output enable for RX_XCM # IF */ 2610 REG_WR(bp, port ? NIG_REG_XCM1_OUT_EN : 2611 NIG_REG_XCM0_OUT_EN, xcm_out_en); 2612 2613 /* HW PFC TX enable */ 2614 REG_WR(bp, port ? NIG_REG_P1_HWPFC_ENABLE : 2615 NIG_REG_P0_HWPFC_ENABLE, hwpfc_enable); 2616 2617 if (nig_params) { 2618 u8 i = 0; 2619 pkt_priority_to_cos = nig_params->pkt_priority_to_cos; 2620 2621 for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++) 2622 bnx2x_pfc_nig_rx_priority_mask(bp, i, 2623 nig_params->rx_cos_priority_mask[i], port); 2624 2625 REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 : 2626 NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0, 2627 nig_params->llfc_high_priority_classes); 2628 2629 REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 : 2630 NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0, 2631 nig_params->llfc_low_priority_classes); 2632 } 2633 REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS : 2634 NIG_REG_P0_PKT_PRIORITY_TO_COS, 2635 pkt_priority_to_cos); 2636 } 2637 2638 int bnx2x_update_pfc(struct link_params *params, 2639 struct link_vars *vars, 2640 struct bnx2x_nig_brb_pfc_port_params *pfc_params) 2641 { 2642 /* The PFC and pause are orthogonal to one another, meaning when 2643 * PFC is enabled, the pause are disabled, and when PFC is 2644 * disabled, pause are set according to the pause result. 2645 */ 2646 u32 val; 2647 struct bnx2x *bp = params->bp; 2648 int bnx2x_status = 0; 2649 u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC); 2650 2651 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) 2652 vars->link_status |= LINK_STATUS_PFC_ENABLED; 2653 else 2654 vars->link_status &= ~LINK_STATUS_PFC_ENABLED; 2655 2656 bnx2x_update_mng(params, vars->link_status); 2657 2658 /* Update NIG params */ 2659 bnx2x_update_pfc_nig(params, vars, pfc_params); 2660 2661 /* Update BRB params */ 2662 bnx2x_status = bnx2x_update_pfc_brb(params, vars, pfc_params); 2663 if (bnx2x_status) 2664 return bnx2x_status; 2665 2666 if (!vars->link_up) 2667 return bnx2x_status; 2668 2669 DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n"); 2670 if (CHIP_IS_E3(bp)) 2671 bnx2x_update_pfc_xmac(params, vars, 0); 2672 else { 2673 val = REG_RD(bp, MISC_REG_RESET_REG_2); 2674 if ((val & 2675 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) 2676 == 0) { 2677 DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n"); 2678 bnx2x_emac_enable(params, vars, 0); 2679 return bnx2x_status; 2680 } 2681 if (CHIP_IS_E2(bp)) 2682 bnx2x_update_pfc_bmac2(params, vars, bmac_loopback); 2683 else 2684 bnx2x_update_pfc_bmac1(params, vars); 2685 2686 val = 0; 2687 if ((params->feature_config_flags & 2688 FEATURE_CONFIG_PFC_ENABLED) || 2689 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)) 2690 val = 1; 2691 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val); 2692 } 2693 return bnx2x_status; 2694 } 2695 2696 2697 static int bnx2x_bmac1_enable(struct link_params *params, 2698 struct link_vars *vars, 2699 u8 is_lb) 2700 { 2701 struct bnx2x *bp = params->bp; 2702 u8 port = params->port; 2703 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM : 2704 NIG_REG_INGRESS_BMAC0_MEM; 2705 u32 wb_data[2]; 2706 u32 val; 2707 2708 DP(NETIF_MSG_LINK, "Enabling BigMAC1\n"); 2709 2710 /* XGXS control */ 2711 wb_data[0] = 0x3c; 2712 wb_data[1] = 0; 2713 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL, 2714 wb_data, 2); 2715 2716 /* TX MAC SA */ 2717 wb_data[0] = ((params->mac_addr[2] << 24) | 2718 (params->mac_addr[3] << 16) | 2719 (params->mac_addr[4] << 8) | 2720 params->mac_addr[5]); 2721 wb_data[1] = ((params->mac_addr[0] << 8) | 2722 params->mac_addr[1]); 2723 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2); 2724 2725 /* MAC control */ 2726 val = 0x3; 2727 if (is_lb) { 2728 val |= 0x4; 2729 DP(NETIF_MSG_LINK, "enable bmac loopback\n"); 2730 } 2731 wb_data[0] = val; 2732 wb_data[1] = 0; 2733 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2); 2734 2735 /* Set rx mtu */ 2736 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD; 2737 wb_data[1] = 0; 2738 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2); 2739 2740 bnx2x_update_pfc_bmac1(params, vars); 2741 2742 /* Set tx mtu */ 2743 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD; 2744 wb_data[1] = 0; 2745 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2); 2746 2747 /* Set cnt max size */ 2748 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD; 2749 wb_data[1] = 0; 2750 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2); 2751 2752 /* Configure SAFC */ 2753 wb_data[0] = 0x1000200; 2754 wb_data[1] = 0; 2755 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS, 2756 wb_data, 2); 2757 2758 return 0; 2759 } 2760 2761 static int bnx2x_bmac2_enable(struct link_params *params, 2762 struct link_vars *vars, 2763 u8 is_lb) 2764 { 2765 struct bnx2x *bp = params->bp; 2766 u8 port = params->port; 2767 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM : 2768 NIG_REG_INGRESS_BMAC0_MEM; 2769 u32 wb_data[2]; 2770 2771 DP(NETIF_MSG_LINK, "Enabling BigMAC2\n"); 2772 2773 wb_data[0] = 0; 2774 wb_data[1] = 0; 2775 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2); 2776 udelay(30); 2777 2778 /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */ 2779 wb_data[0] = 0x3c; 2780 wb_data[1] = 0; 2781 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL, 2782 wb_data, 2); 2783 2784 udelay(30); 2785 2786 /* TX MAC SA */ 2787 wb_data[0] = ((params->mac_addr[2] << 24) | 2788 (params->mac_addr[3] << 16) | 2789 (params->mac_addr[4] << 8) | 2790 params->mac_addr[5]); 2791 wb_data[1] = ((params->mac_addr[0] << 8) | 2792 params->mac_addr[1]); 2793 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR, 2794 wb_data, 2); 2795 2796 udelay(30); 2797 2798 /* Configure SAFC */ 2799 wb_data[0] = 0x1000200; 2800 wb_data[1] = 0; 2801 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS, 2802 wb_data, 2); 2803 udelay(30); 2804 2805 /* Set RX MTU */ 2806 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD; 2807 wb_data[1] = 0; 2808 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2); 2809 udelay(30); 2810 2811 /* Set TX MTU */ 2812 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD; 2813 wb_data[1] = 0; 2814 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2); 2815 udelay(30); 2816 /* Set cnt max size */ 2817 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2; 2818 wb_data[1] = 0; 2819 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2); 2820 udelay(30); 2821 bnx2x_update_pfc_bmac2(params, vars, is_lb); 2822 2823 return 0; 2824 } 2825 2826 static int bnx2x_bmac_enable(struct link_params *params, 2827 struct link_vars *vars, 2828 u8 is_lb) 2829 { 2830 int rc = 0; 2831 u8 port = params->port; 2832 struct bnx2x *bp = params->bp; 2833 u32 val; 2834 /* Reset and unreset the BigMac */ 2835 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 2836 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port)); 2837 usleep_range(1000, 2000); 2838 2839 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 2840 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port)); 2841 2842 /* Enable access for bmac registers */ 2843 REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1); 2844 2845 /* Enable BMAC according to BMAC type*/ 2846 if (CHIP_IS_E2(bp)) 2847 rc = bnx2x_bmac2_enable(params, vars, is_lb); 2848 else 2849 rc = bnx2x_bmac1_enable(params, vars, is_lb); 2850 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1); 2851 REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0); 2852 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0); 2853 val = 0; 2854 if ((params->feature_config_flags & 2855 FEATURE_CONFIG_PFC_ENABLED) || 2856 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)) 2857 val = 1; 2858 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val); 2859 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0); 2860 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0); 2861 REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0); 2862 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1); 2863 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1); 2864 2865 vars->mac_type = MAC_TYPE_BMAC; 2866 return rc; 2867 } 2868 2869 static void bnx2x_bmac_rx_disable(struct bnx2x *bp, u8 port) 2870 { 2871 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM : 2872 NIG_REG_INGRESS_BMAC0_MEM; 2873 u32 wb_data[2]; 2874 u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4); 2875 2876 /* Only if the bmac is out of reset */ 2877 if (REG_RD(bp, MISC_REG_RESET_REG_2) & 2878 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) && 2879 nig_bmac_enable) { 2880 2881 if (CHIP_IS_E2(bp)) { 2882 /* Clear Rx Enable bit in BMAC_CONTROL register */ 2883 REG_RD_DMAE(bp, bmac_addr + 2884 BIGMAC2_REGISTER_BMAC_CONTROL, 2885 wb_data, 2); 2886 wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE; 2887 REG_WR_DMAE(bp, bmac_addr + 2888 BIGMAC2_REGISTER_BMAC_CONTROL, 2889 wb_data, 2); 2890 } else { 2891 /* Clear Rx Enable bit in BMAC_CONTROL register */ 2892 REG_RD_DMAE(bp, bmac_addr + 2893 BIGMAC_REGISTER_BMAC_CONTROL, 2894 wb_data, 2); 2895 wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE; 2896 REG_WR_DMAE(bp, bmac_addr + 2897 BIGMAC_REGISTER_BMAC_CONTROL, 2898 wb_data, 2); 2899 } 2900 usleep_range(1000, 2000); 2901 } 2902 } 2903 2904 static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl, 2905 u32 line_speed) 2906 { 2907 struct bnx2x *bp = params->bp; 2908 u8 port = params->port; 2909 u32 init_crd, crd; 2910 u32 count = 1000; 2911 2912 /* Disable port */ 2913 REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1); 2914 2915 /* Wait for init credit */ 2916 init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4); 2917 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8); 2918 DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd); 2919 2920 while ((init_crd != crd) && count) { 2921 usleep_range(5000, 10000); 2922 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8); 2923 count--; 2924 } 2925 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8); 2926 if (init_crd != crd) { 2927 DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n", 2928 init_crd, crd); 2929 return -EINVAL; 2930 } 2931 2932 if (flow_ctrl & BNX2X_FLOW_CTRL_RX || 2933 line_speed == SPEED_10 || 2934 line_speed == SPEED_100 || 2935 line_speed == SPEED_1000 || 2936 line_speed == SPEED_2500) { 2937 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1); 2938 /* Update threshold */ 2939 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0); 2940 /* Update init credit */ 2941 init_crd = 778; /* (800-18-4) */ 2942 2943 } else { 2944 u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE + 2945 ETH_OVREHEAD)/16; 2946 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0); 2947 /* Update threshold */ 2948 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh); 2949 /* Update init credit */ 2950 switch (line_speed) { 2951 case SPEED_10000: 2952 init_crd = thresh + 553 - 22; 2953 break; 2954 default: 2955 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n", 2956 line_speed); 2957 return -EINVAL; 2958 } 2959 } 2960 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd); 2961 DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n", 2962 line_speed, init_crd); 2963 2964 /* Probe the credit changes */ 2965 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1); 2966 usleep_range(5000, 10000); 2967 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0); 2968 2969 /* Enable port */ 2970 REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0); 2971 return 0; 2972 } 2973 2974 /** 2975 * bnx2x_get_emac_base - retrive emac base address 2976 * 2977 * @bp: driver handle 2978 * @mdc_mdio_access: access type 2979 * @port: port id 2980 * 2981 * This function selects the MDC/MDIO access (through emac0 or 2982 * emac1) depend on the mdc_mdio_access, port, port swapped. Each 2983 * phy has a default access mode, which could also be overridden 2984 * by nvram configuration. This parameter, whether this is the 2985 * default phy configuration, or the nvram overrun 2986 * configuration, is passed here as mdc_mdio_access and selects 2987 * the emac_base for the CL45 read/writes operations 2988 */ 2989 static u32 bnx2x_get_emac_base(struct bnx2x *bp, 2990 u32 mdc_mdio_access, u8 port) 2991 { 2992 u32 emac_base = 0; 2993 switch (mdc_mdio_access) { 2994 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE: 2995 break; 2996 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0: 2997 if (REG_RD(bp, NIG_REG_PORT_SWAP)) 2998 emac_base = GRCBASE_EMAC1; 2999 else 3000 emac_base = GRCBASE_EMAC0; 3001 break; 3002 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1: 3003 if (REG_RD(bp, NIG_REG_PORT_SWAP)) 3004 emac_base = GRCBASE_EMAC0; 3005 else 3006 emac_base = GRCBASE_EMAC1; 3007 break; 3008 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH: 3009 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0; 3010 break; 3011 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED: 3012 emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1; 3013 break; 3014 default: 3015 break; 3016 } 3017 return emac_base; 3018 3019 } 3020 3021 /******************************************************************/ 3022 /* CL22 access functions */ 3023 /******************************************************************/ 3024 static int bnx2x_cl22_write(struct bnx2x *bp, 3025 struct bnx2x_phy *phy, 3026 u16 reg, u16 val) 3027 { 3028 u32 tmp, mode; 3029 u8 i; 3030 int rc = 0; 3031 /* Switch to CL22 */ 3032 mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE); 3033 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, 3034 mode & ~EMAC_MDIO_MODE_CLAUSE_45); 3035 3036 /* Address */ 3037 tmp = ((phy->addr << 21) | (reg << 16) | val | 3038 EMAC_MDIO_COMM_COMMAND_WRITE_22 | 3039 EMAC_MDIO_COMM_START_BUSY); 3040 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp); 3041 3042 for (i = 0; i < 50; i++) { 3043 udelay(10); 3044 3045 tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM); 3046 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) { 3047 udelay(5); 3048 break; 3049 } 3050 } 3051 if (tmp & EMAC_MDIO_COMM_START_BUSY) { 3052 DP(NETIF_MSG_LINK, "write phy register failed\n"); 3053 rc = -EFAULT; 3054 } 3055 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode); 3056 return rc; 3057 } 3058 3059 static int bnx2x_cl22_read(struct bnx2x *bp, 3060 struct bnx2x_phy *phy, 3061 u16 reg, u16 *ret_val) 3062 { 3063 u32 val, mode; 3064 u16 i; 3065 int rc = 0; 3066 3067 /* Switch to CL22 */ 3068 mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE); 3069 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, 3070 mode & ~EMAC_MDIO_MODE_CLAUSE_45); 3071 3072 /* Address */ 3073 val = ((phy->addr << 21) | (reg << 16) | 3074 EMAC_MDIO_COMM_COMMAND_READ_22 | 3075 EMAC_MDIO_COMM_START_BUSY); 3076 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val); 3077 3078 for (i = 0; i < 50; i++) { 3079 udelay(10); 3080 3081 val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM); 3082 if (!(val & EMAC_MDIO_COMM_START_BUSY)) { 3083 *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA); 3084 udelay(5); 3085 break; 3086 } 3087 } 3088 if (val & EMAC_MDIO_COMM_START_BUSY) { 3089 DP(NETIF_MSG_LINK, "read phy register failed\n"); 3090 3091 *ret_val = 0; 3092 rc = -EFAULT; 3093 } 3094 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode); 3095 return rc; 3096 } 3097 3098 /******************************************************************/ 3099 /* CL45 access functions */ 3100 /******************************************************************/ 3101 static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy, 3102 u8 devad, u16 reg, u16 *ret_val) 3103 { 3104 u32 val; 3105 u16 i; 3106 int rc = 0; 3107 if (phy->flags & FLAGS_MDC_MDIO_WA_B0) 3108 bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS, 3109 EMAC_MDIO_STATUS_10MB); 3110 /* Address */ 3111 val = ((phy->addr << 21) | (devad << 16) | reg | 3112 EMAC_MDIO_COMM_COMMAND_ADDRESS | 3113 EMAC_MDIO_COMM_START_BUSY); 3114 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val); 3115 3116 for (i = 0; i < 50; i++) { 3117 udelay(10); 3118 3119 val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM); 3120 if (!(val & EMAC_MDIO_COMM_START_BUSY)) { 3121 udelay(5); 3122 break; 3123 } 3124 } 3125 if (val & EMAC_MDIO_COMM_START_BUSY) { 3126 DP(NETIF_MSG_LINK, "read phy register failed\n"); 3127 netdev_err(bp->dev, "MDC/MDIO access timeout\n"); 3128 *ret_val = 0; 3129 rc = -EFAULT; 3130 } else { 3131 /* Data */ 3132 val = ((phy->addr << 21) | (devad << 16) | 3133 EMAC_MDIO_COMM_COMMAND_READ_45 | 3134 EMAC_MDIO_COMM_START_BUSY); 3135 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val); 3136 3137 for (i = 0; i < 50; i++) { 3138 udelay(10); 3139 3140 val = REG_RD(bp, phy->mdio_ctrl + 3141 EMAC_REG_EMAC_MDIO_COMM); 3142 if (!(val & EMAC_MDIO_COMM_START_BUSY)) { 3143 *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA); 3144 break; 3145 } 3146 } 3147 if (val & EMAC_MDIO_COMM_START_BUSY) { 3148 DP(NETIF_MSG_LINK, "read phy register failed\n"); 3149 netdev_err(bp->dev, "MDC/MDIO access timeout\n"); 3150 *ret_val = 0; 3151 rc = -EFAULT; 3152 } 3153 } 3154 /* Work around for E3 A0 */ 3155 if (phy->flags & FLAGS_MDC_MDIO_WA) { 3156 phy->flags ^= FLAGS_DUMMY_READ; 3157 if (phy->flags & FLAGS_DUMMY_READ) { 3158 u16 temp_val; 3159 bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val); 3160 } 3161 } 3162 3163 if (phy->flags & FLAGS_MDC_MDIO_WA_B0) 3164 bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS, 3165 EMAC_MDIO_STATUS_10MB); 3166 return rc; 3167 } 3168 3169 static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy, 3170 u8 devad, u16 reg, u16 val) 3171 { 3172 u32 tmp; 3173 u8 i; 3174 int rc = 0; 3175 if (phy->flags & FLAGS_MDC_MDIO_WA_B0) 3176 bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS, 3177 EMAC_MDIO_STATUS_10MB); 3178 3179 /* Address */ 3180 tmp = ((phy->addr << 21) | (devad << 16) | reg | 3181 EMAC_MDIO_COMM_COMMAND_ADDRESS | 3182 EMAC_MDIO_COMM_START_BUSY); 3183 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp); 3184 3185 for (i = 0; i < 50; i++) { 3186 udelay(10); 3187 3188 tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM); 3189 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) { 3190 udelay(5); 3191 break; 3192 } 3193 } 3194 if (tmp & EMAC_MDIO_COMM_START_BUSY) { 3195 DP(NETIF_MSG_LINK, "write phy register failed\n"); 3196 netdev_err(bp->dev, "MDC/MDIO access timeout\n"); 3197 rc = -EFAULT; 3198 } else { 3199 /* Data */ 3200 tmp = ((phy->addr << 21) | (devad << 16) | val | 3201 EMAC_MDIO_COMM_COMMAND_WRITE_45 | 3202 EMAC_MDIO_COMM_START_BUSY); 3203 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp); 3204 3205 for (i = 0; i < 50; i++) { 3206 udelay(10); 3207 3208 tmp = REG_RD(bp, phy->mdio_ctrl + 3209 EMAC_REG_EMAC_MDIO_COMM); 3210 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) { 3211 udelay(5); 3212 break; 3213 } 3214 } 3215 if (tmp & EMAC_MDIO_COMM_START_BUSY) { 3216 DP(NETIF_MSG_LINK, "write phy register failed\n"); 3217 netdev_err(bp->dev, "MDC/MDIO access timeout\n"); 3218 rc = -EFAULT; 3219 } 3220 } 3221 /* Work around for E3 A0 */ 3222 if (phy->flags & FLAGS_MDC_MDIO_WA) { 3223 phy->flags ^= FLAGS_DUMMY_READ; 3224 if (phy->flags & FLAGS_DUMMY_READ) { 3225 u16 temp_val; 3226 bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val); 3227 } 3228 } 3229 if (phy->flags & FLAGS_MDC_MDIO_WA_B0) 3230 bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS, 3231 EMAC_MDIO_STATUS_10MB); 3232 return rc; 3233 } 3234 /******************************************************************/ 3235 /* BSC access functions from E3 */ 3236 /******************************************************************/ 3237 static void bnx2x_bsc_module_sel(struct link_params *params) 3238 { 3239 int idx; 3240 u32 board_cfg, sfp_ctrl; 3241 u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH]; 3242 struct bnx2x *bp = params->bp; 3243 u8 port = params->port; 3244 /* Read I2C output PINs */ 3245 board_cfg = REG_RD(bp, params->shmem_base + 3246 offsetof(struct shmem_region, 3247 dev_info.shared_hw_config.board)); 3248 i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK; 3249 i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >> 3250 SHARED_HW_CFG_E3_I2C_MUX1_SHIFT; 3251 3252 /* Read I2C output value */ 3253 sfp_ctrl = REG_RD(bp, params->shmem_base + 3254 offsetof(struct shmem_region, 3255 dev_info.port_hw_config[port].e3_cmn_pin_cfg)); 3256 i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0; 3257 i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0; 3258 DP(NETIF_MSG_LINK, "Setting BSC switch\n"); 3259 for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++) 3260 bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]); 3261 } 3262 3263 static int bnx2x_bsc_read(struct link_params *params, 3264 struct bnx2x_phy *phy, 3265 u8 sl_devid, 3266 u16 sl_addr, 3267 u8 lc_addr, 3268 u8 xfer_cnt, 3269 u32 *data_array) 3270 { 3271 u32 val, i; 3272 int rc = 0; 3273 struct bnx2x *bp = params->bp; 3274 3275 if ((sl_devid != 0xa0) && (sl_devid != 0xa2)) { 3276 DP(NETIF_MSG_LINK, "invalid sl_devid 0x%x\n", sl_devid); 3277 return -EINVAL; 3278 } 3279 3280 if (xfer_cnt > 16) { 3281 DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n", 3282 xfer_cnt); 3283 return -EINVAL; 3284 } 3285 bnx2x_bsc_module_sel(params); 3286 3287 xfer_cnt = 16 - lc_addr; 3288 3289 /* Enable the engine */ 3290 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND); 3291 val |= MCPR_IMC_COMMAND_ENABLE; 3292 REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val); 3293 3294 /* Program slave device ID */ 3295 val = (sl_devid << 16) | sl_addr; 3296 REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val); 3297 3298 /* Start xfer with 0 byte to update the address pointer ???*/ 3299 val = (MCPR_IMC_COMMAND_ENABLE) | 3300 (MCPR_IMC_COMMAND_WRITE_OP << 3301 MCPR_IMC_COMMAND_OPERATION_BITSHIFT) | 3302 (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0); 3303 REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val); 3304 3305 /* Poll for completion */ 3306 i = 0; 3307 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND); 3308 while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) { 3309 udelay(10); 3310 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND); 3311 if (i++ > 1000) { 3312 DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n", 3313 i); 3314 rc = -EFAULT; 3315 break; 3316 } 3317 } 3318 if (rc == -EFAULT) 3319 return rc; 3320 3321 /* Start xfer with read op */ 3322 val = (MCPR_IMC_COMMAND_ENABLE) | 3323 (MCPR_IMC_COMMAND_READ_OP << 3324 MCPR_IMC_COMMAND_OPERATION_BITSHIFT) | 3325 (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | 3326 (xfer_cnt); 3327 REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val); 3328 3329 /* Poll for completion */ 3330 i = 0; 3331 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND); 3332 while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) { 3333 udelay(10); 3334 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND); 3335 if (i++ > 1000) { 3336 DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i); 3337 rc = -EFAULT; 3338 break; 3339 } 3340 } 3341 if (rc == -EFAULT) 3342 return rc; 3343 3344 for (i = (lc_addr >> 2); i < 4; i++) { 3345 data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4)); 3346 #ifdef __BIG_ENDIAN 3347 data_array[i] = ((data_array[i] & 0x000000ff) << 24) | 3348 ((data_array[i] & 0x0000ff00) << 8) | 3349 ((data_array[i] & 0x00ff0000) >> 8) | 3350 ((data_array[i] & 0xff000000) >> 24); 3351 #endif 3352 } 3353 return rc; 3354 } 3355 3356 static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy, 3357 u8 devad, u16 reg, u16 or_val) 3358 { 3359 u16 val; 3360 bnx2x_cl45_read(bp, phy, devad, reg, &val); 3361 bnx2x_cl45_write(bp, phy, devad, reg, val | or_val); 3362 } 3363 3364 int bnx2x_phy_read(struct link_params *params, u8 phy_addr, 3365 u8 devad, u16 reg, u16 *ret_val) 3366 { 3367 u8 phy_index; 3368 /* Probe for the phy according to the given phy_addr, and execute 3369 * the read request on it 3370 */ 3371 for (phy_index = 0; phy_index < params->num_phys; phy_index++) { 3372 if (params->phy[phy_index].addr == phy_addr) { 3373 return bnx2x_cl45_read(params->bp, 3374 ¶ms->phy[phy_index], devad, 3375 reg, ret_val); 3376 } 3377 } 3378 return -EINVAL; 3379 } 3380 3381 int bnx2x_phy_write(struct link_params *params, u8 phy_addr, 3382 u8 devad, u16 reg, u16 val) 3383 { 3384 u8 phy_index; 3385 /* Probe for the phy according to the given phy_addr, and execute 3386 * the write request on it 3387 */ 3388 for (phy_index = 0; phy_index < params->num_phys; phy_index++) { 3389 if (params->phy[phy_index].addr == phy_addr) { 3390 return bnx2x_cl45_write(params->bp, 3391 ¶ms->phy[phy_index], devad, 3392 reg, val); 3393 } 3394 } 3395 return -EINVAL; 3396 } 3397 static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy, 3398 struct link_params *params) 3399 { 3400 u8 lane = 0; 3401 struct bnx2x *bp = params->bp; 3402 u32 path_swap, path_swap_ovr; 3403 u8 path, port; 3404 3405 path = BP_PATH(bp); 3406 port = params->port; 3407 3408 if (bnx2x_is_4_port_mode(bp)) { 3409 u32 port_swap, port_swap_ovr; 3410 3411 /* Figure out path swap value */ 3412 path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR); 3413 if (path_swap_ovr & 0x1) 3414 path_swap = (path_swap_ovr & 0x2); 3415 else 3416 path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP); 3417 3418 if (path_swap) 3419 path = path ^ 1; 3420 3421 /* Figure out port swap value */ 3422 port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR); 3423 if (port_swap_ovr & 0x1) 3424 port_swap = (port_swap_ovr & 0x2); 3425 else 3426 port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP); 3427 3428 if (port_swap) 3429 port = port ^ 1; 3430 3431 lane = (port<<1) + path; 3432 } else { /* Two port mode - no port swap */ 3433 3434 /* Figure out path swap value */ 3435 path_swap_ovr = 3436 REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR); 3437 if (path_swap_ovr & 0x1) { 3438 path_swap = (path_swap_ovr & 0x2); 3439 } else { 3440 path_swap = 3441 REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP); 3442 } 3443 if (path_swap) 3444 path = path ^ 1; 3445 3446 lane = path << 1 ; 3447 } 3448 return lane; 3449 } 3450 3451 static void bnx2x_set_aer_mmd(struct link_params *params, 3452 struct bnx2x_phy *phy) 3453 { 3454 u32 ser_lane; 3455 u16 offset, aer_val; 3456 struct bnx2x *bp = params->bp; 3457 ser_lane = ((params->lane_config & 3458 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >> 3459 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT); 3460 3461 offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ? 3462 (phy->addr + ser_lane) : 0; 3463 3464 if (USES_WARPCORE(bp)) { 3465 aer_val = bnx2x_get_warpcore_lane(phy, params); 3466 /* In Dual-lane mode, two lanes are joined together, 3467 * so in order to configure them, the AER broadcast method is 3468 * used here. 3469 * 0x200 is the broadcast address for lanes 0,1 3470 * 0x201 is the broadcast address for lanes 2,3 3471 */ 3472 if (phy->flags & FLAGS_WC_DUAL_MODE) 3473 aer_val = (aer_val >> 1) | 0x200; 3474 } else if (CHIP_IS_E2(bp)) 3475 aer_val = 0x3800 + offset - 1; 3476 else 3477 aer_val = 0x3800 + offset; 3478 3479 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK, 3480 MDIO_AER_BLOCK_AER_REG, aer_val); 3481 3482 } 3483 3484 /******************************************************************/ 3485 /* Internal phy section */ 3486 /******************************************************************/ 3487 3488 static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port) 3489 { 3490 u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0; 3491 3492 /* Set Clause 22 */ 3493 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1); 3494 REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000); 3495 udelay(500); 3496 REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f); 3497 udelay(500); 3498 /* Set Clause 45 */ 3499 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0); 3500 } 3501 3502 static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port) 3503 { 3504 u32 val; 3505 3506 DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n"); 3507 3508 val = SERDES_RESET_BITS << (port*16); 3509 3510 /* Reset and unreset the SerDes/XGXS */ 3511 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val); 3512 udelay(500); 3513 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val); 3514 3515 bnx2x_set_serdes_access(bp, port); 3516 3517 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10, 3518 DEFAULT_PHY_DEV_ADDR); 3519 } 3520 3521 static void bnx2x_xgxs_deassert(struct link_params *params) 3522 { 3523 struct bnx2x *bp = params->bp; 3524 u8 port; 3525 u32 val; 3526 DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n"); 3527 port = params->port; 3528 3529 val = XGXS_RESET_BITS << (port*16); 3530 3531 /* Reset and unreset the SerDes/XGXS */ 3532 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val); 3533 udelay(500); 3534 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val); 3535 3536 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + port*0x18, 0); 3537 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18, 3538 params->phy[INT_PHY].def_md_devad); 3539 } 3540 3541 static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy, 3542 struct link_params *params, u16 *ieee_fc) 3543 { 3544 struct bnx2x *bp = params->bp; 3545 *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX; 3546 /* Resolve pause mode and advertisement Please refer to Table 3547 * 28B-3 of the 802.3ab-1999 spec 3548 */ 3549 3550 switch (phy->req_flow_ctrl) { 3551 case BNX2X_FLOW_CTRL_AUTO: 3552 if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH) 3553 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH; 3554 else 3555 *ieee_fc |= 3556 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC; 3557 break; 3558 3559 case BNX2X_FLOW_CTRL_TX: 3560 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC; 3561 break; 3562 3563 case BNX2X_FLOW_CTRL_RX: 3564 case BNX2X_FLOW_CTRL_BOTH: 3565 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH; 3566 break; 3567 3568 case BNX2X_FLOW_CTRL_NONE: 3569 default: 3570 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE; 3571 break; 3572 } 3573 DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc); 3574 } 3575 3576 static void set_phy_vars(struct link_params *params, 3577 struct link_vars *vars) 3578 { 3579 struct bnx2x *bp = params->bp; 3580 u8 actual_phy_idx, phy_index, link_cfg_idx; 3581 u8 phy_config_swapped = params->multi_phy_config & 3582 PORT_HW_CFG_PHY_SWAPPED_ENABLED; 3583 for (phy_index = INT_PHY; phy_index < params->num_phys; 3584 phy_index++) { 3585 link_cfg_idx = LINK_CONFIG_IDX(phy_index); 3586 actual_phy_idx = phy_index; 3587 if (phy_config_swapped) { 3588 if (phy_index == EXT_PHY1) 3589 actual_phy_idx = EXT_PHY2; 3590 else if (phy_index == EXT_PHY2) 3591 actual_phy_idx = EXT_PHY1; 3592 } 3593 params->phy[actual_phy_idx].req_flow_ctrl = 3594 params->req_flow_ctrl[link_cfg_idx]; 3595 3596 params->phy[actual_phy_idx].req_line_speed = 3597 params->req_line_speed[link_cfg_idx]; 3598 3599 params->phy[actual_phy_idx].speed_cap_mask = 3600 params->speed_cap_mask[link_cfg_idx]; 3601 3602 params->phy[actual_phy_idx].req_duplex = 3603 params->req_duplex[link_cfg_idx]; 3604 3605 if (params->req_line_speed[link_cfg_idx] == 3606 SPEED_AUTO_NEG) 3607 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED; 3608 3609 DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x," 3610 " speed_cap_mask %x\n", 3611 params->phy[actual_phy_idx].req_flow_ctrl, 3612 params->phy[actual_phy_idx].req_line_speed, 3613 params->phy[actual_phy_idx].speed_cap_mask); 3614 } 3615 } 3616 3617 static void bnx2x_ext_phy_set_pause(struct link_params *params, 3618 struct bnx2x_phy *phy, 3619 struct link_vars *vars) 3620 { 3621 u16 val; 3622 struct bnx2x *bp = params->bp; 3623 /* Read modify write pause advertizing */ 3624 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val); 3625 3626 val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH; 3627 3628 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */ 3629 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc); 3630 if ((vars->ieee_fc & 3631 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) == 3632 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) { 3633 val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC; 3634 } 3635 if ((vars->ieee_fc & 3636 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) == 3637 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) { 3638 val |= MDIO_AN_REG_ADV_PAUSE_PAUSE; 3639 } 3640 DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val); 3641 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val); 3642 } 3643 3644 static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result) 3645 { /* LD LP */ 3646 switch (pause_result) { /* ASYM P ASYM P */ 3647 case 0xb: /* 1 0 1 1 */ 3648 vars->flow_ctrl = BNX2X_FLOW_CTRL_TX; 3649 break; 3650 3651 case 0xe: /* 1 1 1 0 */ 3652 vars->flow_ctrl = BNX2X_FLOW_CTRL_RX; 3653 break; 3654 3655 case 0x5: /* 0 1 0 1 */ 3656 case 0x7: /* 0 1 1 1 */ 3657 case 0xd: /* 1 1 0 1 */ 3658 case 0xf: /* 1 1 1 1 */ 3659 vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH; 3660 break; 3661 3662 default: 3663 break; 3664 } 3665 if (pause_result & (1<<0)) 3666 vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE; 3667 if (pause_result & (1<<1)) 3668 vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE; 3669 3670 } 3671 3672 static void bnx2x_ext_phy_update_adv_fc(struct bnx2x_phy *phy, 3673 struct link_params *params, 3674 struct link_vars *vars) 3675 { 3676 u16 ld_pause; /* local */ 3677 u16 lp_pause; /* link partner */ 3678 u16 pause_result; 3679 struct bnx2x *bp = params->bp; 3680 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) { 3681 bnx2x_cl22_read(bp, phy, 0x4, &ld_pause); 3682 bnx2x_cl22_read(bp, phy, 0x5, &lp_pause); 3683 } else if (CHIP_IS_E3(bp) && 3684 SINGLE_MEDIA_DIRECT(params)) { 3685 u8 lane = bnx2x_get_warpcore_lane(phy, params); 3686 u16 gp_status, gp_mask; 3687 bnx2x_cl45_read(bp, phy, 3688 MDIO_AN_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_4, 3689 &gp_status); 3690 gp_mask = (MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL | 3691 MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP) << 3692 lane; 3693 if ((gp_status & gp_mask) == gp_mask) { 3694 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, 3695 MDIO_AN_REG_ADV_PAUSE, &ld_pause); 3696 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, 3697 MDIO_AN_REG_LP_AUTO_NEG, &lp_pause); 3698 } else { 3699 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, 3700 MDIO_AN_REG_CL37_FC_LD, &ld_pause); 3701 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, 3702 MDIO_AN_REG_CL37_FC_LP, &lp_pause); 3703 ld_pause = ((ld_pause & 3704 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) 3705 << 3); 3706 lp_pause = ((lp_pause & 3707 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) 3708 << 3); 3709 } 3710 } else { 3711 bnx2x_cl45_read(bp, phy, 3712 MDIO_AN_DEVAD, 3713 MDIO_AN_REG_ADV_PAUSE, &ld_pause); 3714 bnx2x_cl45_read(bp, phy, 3715 MDIO_AN_DEVAD, 3716 MDIO_AN_REG_LP_AUTO_NEG, &lp_pause); 3717 } 3718 pause_result = (ld_pause & 3719 MDIO_AN_REG_ADV_PAUSE_MASK) >> 8; 3720 pause_result |= (lp_pause & 3721 MDIO_AN_REG_ADV_PAUSE_MASK) >> 10; 3722 DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n", pause_result); 3723 bnx2x_pause_resolve(vars, pause_result); 3724 3725 } 3726 3727 static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy, 3728 struct link_params *params, 3729 struct link_vars *vars) 3730 { 3731 u8 ret = 0; 3732 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE; 3733 if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) { 3734 /* Update the advertised flow-controled of LD/LP in AN */ 3735 if (phy->req_line_speed == SPEED_AUTO_NEG) 3736 bnx2x_ext_phy_update_adv_fc(phy, params, vars); 3737 /* But set the flow-control result as the requested one */ 3738 vars->flow_ctrl = phy->req_flow_ctrl; 3739 } else if (phy->req_line_speed != SPEED_AUTO_NEG) 3740 vars->flow_ctrl = params->req_fc_auto_adv; 3741 else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) { 3742 ret = 1; 3743 bnx2x_ext_phy_update_adv_fc(phy, params, vars); 3744 } 3745 return ret; 3746 } 3747 /******************************************************************/ 3748 /* Warpcore section */ 3749 /******************************************************************/ 3750 /* The init_internal_warpcore should mirror the xgxs, 3751 * i.e. reset the lane (if needed), set aer for the 3752 * init configuration, and set/clear SGMII flag. Internal 3753 * phy init is done purely in phy_init stage. 3754 */ 3755 static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy, 3756 struct link_params *params, 3757 struct link_vars *vars) { 3758 u16 val16 = 0, lane, i; 3759 struct bnx2x *bp = params->bp; 3760 static struct bnx2x_reg_set reg_set[] = { 3761 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7}, 3762 {MDIO_AN_DEVAD, MDIO_WC_REG_PAR_DET_10G_CTRL, 0}, 3763 {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 0}, 3764 {MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0xff}, 3765 {MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0x5555}, 3766 {MDIO_PMA_DEVAD, MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0}, 3767 {MDIO_WC_DEVAD, MDIO_WC_REG_RX66_CONTROL, 0x7415}, 3768 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190}, 3769 /* Disable Autoneg: re-enable it after adv is done. */ 3770 {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0} 3771 }; 3772 DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n"); 3773 /* Set to default registers that may be overriden by 10G force */ 3774 for (i = 0; i < sizeof(reg_set)/sizeof(struct bnx2x_reg_set); i++) 3775 bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg, 3776 reg_set[i].val); 3777 3778 /* Check adding advertisement for 1G KX */ 3779 if (((vars->line_speed == SPEED_AUTO_NEG) && 3780 (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) || 3781 (vars->line_speed == SPEED_1000)) { 3782 u32 addr = MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2; 3783 val16 |= (1<<5); 3784 3785 /* Enable CL37 1G Parallel Detect */ 3786 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, addr, 0x1); 3787 DP(NETIF_MSG_LINK, "Advertize 1G\n"); 3788 } 3789 if (((vars->line_speed == SPEED_AUTO_NEG) && 3790 (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) || 3791 (vars->line_speed == SPEED_10000)) { 3792 /* Check adding advertisement for 10G KR */ 3793 val16 |= (1<<7); 3794 /* Enable 10G Parallel Detect */ 3795 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, 3796 MDIO_WC_REG_PAR_DET_10G_CTRL, 1); 3797 3798 DP(NETIF_MSG_LINK, "Advertize 10G\n"); 3799 } 3800 3801 /* Set Transmit PMD settings */ 3802 lane = bnx2x_get_warpcore_lane(phy, params); 3803 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 3804 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 3805 ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) | 3806 (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) | 3807 (0x09 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET))); 3808 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 3809 MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL, 3810 0x03f0); 3811 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 3812 MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL, 3813 0x03f0); 3814 3815 /* Advertised speeds */ 3816 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, 3817 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, val16); 3818 3819 /* Advertised and set FEC (Forward Error Correction) */ 3820 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, 3821 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2, 3822 (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY | 3823 MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ)); 3824 3825 /* Enable CL37 BAM */ 3826 if (REG_RD(bp, params->shmem_base + 3827 offsetof(struct shmem_region, dev_info. 3828 port_hw_config[params->port].default_cfg)) & 3829 PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) { 3830 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, 3831 MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL, 3832 1); 3833 DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n"); 3834 } 3835 3836 /* Advertise pause */ 3837 bnx2x_ext_phy_set_pause(params, phy, vars); 3838 /* Set KR Autoneg Work-Around flag for Warpcore version older than D108 3839 */ 3840 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 3841 MDIO_WC_REG_UC_INFO_B1_VERSION, &val16); 3842 if (val16 < 0xd108) { 3843 DP(NETIF_MSG_LINK, "Enable AN KR work-around\n"); 3844 vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY; 3845 } 3846 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, 3847 MDIO_WC_REG_DIGITAL5_MISC7, 0x100); 3848 3849 /* Over 1G - AN local device user page 1 */ 3850 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 3851 MDIO_WC_REG_DIGITAL3_UP1, 0x1f); 3852 3853 /* Enable Autoneg */ 3854 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, 3855 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200); 3856 3857 } 3858 3859 static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy, 3860 struct link_params *params, 3861 struct link_vars *vars) 3862 { 3863 struct bnx2x *bp = params->bp; 3864 u16 i; 3865 static struct bnx2x_reg_set reg_set[] = { 3866 /* Disable Autoneg */ 3867 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7}, 3868 {MDIO_AN_DEVAD, MDIO_WC_REG_PAR_DET_10G_CTRL, 0}, 3869 {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 3870 0x3f00}, 3871 {MDIO_AN_DEVAD, MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0}, 3872 {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0}, 3873 {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL3_UP1, 0x1}, 3874 {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL5_MISC7, 0xa}, 3875 /* Disable CL36 PCS Tx */ 3876 {MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0x0}, 3877 /* Double Wide Single Data Rate @ pll rate */ 3878 {MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0xFFFF}, 3879 /* Leave cl72 training enable, needed for KR */ 3880 {MDIO_PMA_DEVAD, 3881 MDIO_WC_REG_PMD_IEEE9BLK_TENGBASE_KR_PMD_CONTROL_REGISTER_150, 3882 0x2} 3883 }; 3884 3885 for (i = 0; i < sizeof(reg_set)/sizeof(struct bnx2x_reg_set); i++) 3886 bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg, 3887 reg_set[i].val); 3888 3889 /* Leave CL72 enabled */ 3890 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, 3891 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 3892 0x3800); 3893 3894 /* Set speed via PMA/PMD register */ 3895 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 3896 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040); 3897 3898 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 3899 MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB); 3900 3901 /* Enable encoded forced speed */ 3902 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 3903 MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30); 3904 3905 /* Turn TX scramble payload only the 64/66 scrambler */ 3906 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 3907 MDIO_WC_REG_TX66_CONTROL, 0x9); 3908 3909 /* Turn RX scramble payload only the 64/66 scrambler */ 3910 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, 3911 MDIO_WC_REG_RX66_CONTROL, 0xF9); 3912 3913 /* Set and clear loopback to cause a reset to 64/66 decoder */ 3914 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 3915 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000); 3916 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 3917 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0); 3918 3919 } 3920 3921 static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy, 3922 struct link_params *params, 3923 u8 is_xfi) 3924 { 3925 struct bnx2x *bp = params->bp; 3926 u16 misc1_val, tap_val, tx_driver_val, lane, val; 3927 /* Hold rxSeqStart */ 3928 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, 3929 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x8000); 3930 3931 /* Hold tx_fifo_reset */ 3932 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, 3933 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x1); 3934 3935 /* Disable CL73 AN */ 3936 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0); 3937 3938 /* Disable 100FX Enable and Auto-Detect */ 3939 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 3940 MDIO_WC_REG_FX100_CTRL1, &val); 3941 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 3942 MDIO_WC_REG_FX100_CTRL1, (val & 0xFFFA)); 3943 3944 /* Disable 100FX Idle detect */ 3945 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, 3946 MDIO_WC_REG_FX100_CTRL3, 0x0080); 3947 3948 /* Set Block address to Remote PHY & Clear forced_speed[5] */ 3949 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 3950 MDIO_WC_REG_DIGITAL4_MISC3, &val); 3951 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 3952 MDIO_WC_REG_DIGITAL4_MISC3, (val & 0xFF7F)); 3953 3954 /* Turn off auto-detect & fiber mode */ 3955 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 3956 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val); 3957 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 3958 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 3959 (val & 0xFFEE)); 3960 3961 /* Set filter_force_link, disable_false_link and parallel_detect */ 3962 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 3963 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val); 3964 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 3965 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 3966 ((val | 0x0006) & 0xFFFE)); 3967 3968 /* Set XFI / SFI */ 3969 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 3970 MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val); 3971 3972 misc1_val &= ~(0x1f); 3973 3974 if (is_xfi) { 3975 misc1_val |= 0x5; 3976 tap_val = ((0x08 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) | 3977 (0x37 << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) | 3978 (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET)); 3979 tx_driver_val = 3980 ((0x00 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) | 3981 (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) | 3982 (0x03 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)); 3983 3984 } else { 3985 misc1_val |= 0x9; 3986 tap_val = ((0x0f << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) | 3987 (0x2b << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) | 3988 (0x02 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET)); 3989 tx_driver_val = 3990 ((0x03 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) | 3991 (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) | 3992 (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)); 3993 } 3994 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 3995 MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val); 3996 3997 /* Set Transmit PMD settings */ 3998 lane = bnx2x_get_warpcore_lane(phy, params); 3999 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4000 MDIO_WC_REG_TX_FIR_TAP, 4001 tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE); 4002 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4003 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 4004 tx_driver_val); 4005 4006 /* Enable fiber mode, enable and invert sig_det */ 4007 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, 4008 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0xd); 4009 4010 /* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */ 4011 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, 4012 MDIO_WC_REG_DIGITAL4_MISC3, 0x8080); 4013 4014 /* Enable LPI pass through */ 4015 DP(NETIF_MSG_LINK, "Configure WC for LPI pass through\n"); 4016 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4017 MDIO_WC_REG_EEE_COMBO_CONTROL0, 4018 0x7c); 4019 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, 4020 MDIO_WC_REG_DIGITAL4_MISC5, 0xc000); 4021 4022 /* 10G XFI Full Duplex */ 4023 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4024 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100); 4025 4026 /* Release tx_fifo_reset */ 4027 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 4028 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val); 4029 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4030 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, val & 0xFFFE); 4031 4032 /* Release rxSeqStart */ 4033 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 4034 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val); 4035 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4036 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val & 0x7FFF)); 4037 } 4038 4039 static void bnx2x_warpcore_set_20G_KR2(struct bnx2x *bp, 4040 struct bnx2x_phy *phy) 4041 { 4042 DP(NETIF_MSG_LINK, "KR2 still not supported !!!\n"); 4043 } 4044 4045 static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp, 4046 struct bnx2x_phy *phy, 4047 u16 lane) 4048 { 4049 /* Rx0 anaRxControl1G */ 4050 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4051 MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90); 4052 4053 /* Rx2 anaRxControl1G */ 4054 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4055 MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90); 4056 4057 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4058 MDIO_WC_REG_RX66_SCW0, 0xE070); 4059 4060 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4061 MDIO_WC_REG_RX66_SCW1, 0xC0D0); 4062 4063 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4064 MDIO_WC_REG_RX66_SCW2, 0xA0B0); 4065 4066 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4067 MDIO_WC_REG_RX66_SCW3, 0x8090); 4068 4069 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4070 MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0); 4071 4072 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4073 MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0); 4074 4075 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4076 MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0); 4077 4078 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4079 MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0); 4080 4081 /* Serdes Digital Misc1 */ 4082 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4083 MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008); 4084 4085 /* Serdes Digital4 Misc3 */ 4086 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4087 MDIO_WC_REG_DIGITAL4_MISC3, 0x8088); 4088 4089 /* Set Transmit PMD settings */ 4090 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4091 MDIO_WC_REG_TX_FIR_TAP, 4092 ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) | 4093 (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) | 4094 (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET) | 4095 MDIO_WC_REG_TX_FIR_TAP_ENABLE)); 4096 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4097 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 4098 ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) | 4099 (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) | 4100 (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET))); 4101 } 4102 4103 static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy, 4104 struct link_params *params, 4105 u8 fiber_mode, 4106 u8 always_autoneg) 4107 { 4108 struct bnx2x *bp = params->bp; 4109 u16 val16, digctrl_kx1, digctrl_kx2; 4110 4111 /* Clear XFI clock comp in non-10G single lane mode. */ 4112 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 4113 MDIO_WC_REG_RX66_CONTROL, &val16); 4114 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4115 MDIO_WC_REG_RX66_CONTROL, val16 & ~(3<<13)); 4116 4117 if (always_autoneg || phy->req_line_speed == SPEED_AUTO_NEG) { 4118 /* SGMII Autoneg */ 4119 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 4120 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16); 4121 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4122 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 4123 val16 | 0x1000); 4124 DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n"); 4125 } else { 4126 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 4127 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16); 4128 val16 &= 0xcebf; 4129 switch (phy->req_line_speed) { 4130 case SPEED_10: 4131 break; 4132 case SPEED_100: 4133 val16 |= 0x2000; 4134 break; 4135 case SPEED_1000: 4136 val16 |= 0x0040; 4137 break; 4138 default: 4139 DP(NETIF_MSG_LINK, 4140 "Speed not supported: 0x%x\n", phy->req_line_speed); 4141 return; 4142 } 4143 4144 if (phy->req_duplex == DUPLEX_FULL) 4145 val16 |= 0x0100; 4146 4147 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4148 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16); 4149 4150 DP(NETIF_MSG_LINK, "set SGMII force speed %d\n", 4151 phy->req_line_speed); 4152 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 4153 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16); 4154 DP(NETIF_MSG_LINK, " (readback) %x\n", val16); 4155 } 4156 4157 /* SGMII Slave mode and disable signal detect */ 4158 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 4159 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1); 4160 if (fiber_mode) 4161 digctrl_kx1 = 1; 4162 else 4163 digctrl_kx1 &= 0xff4a; 4164 4165 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4166 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 4167 digctrl_kx1); 4168 4169 /* Turn off parallel detect */ 4170 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 4171 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2); 4172 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4173 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 4174 (digctrl_kx2 & ~(1<<2))); 4175 4176 /* Re-enable parallel detect */ 4177 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4178 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 4179 (digctrl_kx2 | (1<<2))); 4180 4181 /* Enable autodet */ 4182 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4183 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 4184 (digctrl_kx1 | 0x10)); 4185 } 4186 4187 static void bnx2x_warpcore_reset_lane(struct bnx2x *bp, 4188 struct bnx2x_phy *phy, 4189 u8 reset) 4190 { 4191 u16 val; 4192 /* Take lane out of reset after configuration is finished */ 4193 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 4194 MDIO_WC_REG_DIGITAL5_MISC6, &val); 4195 if (reset) 4196 val |= 0xC000; 4197 else 4198 val &= 0x3FFF; 4199 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4200 MDIO_WC_REG_DIGITAL5_MISC6, val); 4201 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 4202 MDIO_WC_REG_DIGITAL5_MISC6, &val); 4203 } 4204 /* Clear SFI/XFI link settings registers */ 4205 static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy, 4206 struct link_params *params, 4207 u16 lane) 4208 { 4209 struct bnx2x *bp = params->bp; 4210 u16 i; 4211 static struct bnx2x_reg_set wc_regs[] = { 4212 {MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0}, 4213 {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL1, 0x014a}, 4214 {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL3, 0x0800}, 4215 {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL4_MISC3, 0x8008}, 4216 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 4217 0x0195}, 4218 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 4219 0x0007}, 4220 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 4221 0x0002}, 4222 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000}, 4223 {MDIO_WC_DEVAD, MDIO_WC_REG_TX_FIR_TAP, 0x0000}, 4224 {MDIO_WC_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040}, 4225 {MDIO_WC_DEVAD, MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140} 4226 }; 4227 /* Set XFI clock comp as default. */ 4228 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, 4229 MDIO_WC_REG_RX66_CONTROL, (3<<13)); 4230 4231 for (i = 0; i < sizeof(wc_regs)/sizeof(struct bnx2x_reg_set); i++) 4232 bnx2x_cl45_write(bp, phy, wc_regs[i].devad, wc_regs[i].reg, 4233 wc_regs[i].val); 4234 4235 lane = bnx2x_get_warpcore_lane(phy, params); 4236 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4237 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990); 4238 4239 } 4240 4241 static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp, 4242 u32 chip_id, 4243 u32 shmem_base, u8 port, 4244 u8 *gpio_num, u8 *gpio_port) 4245 { 4246 u32 cfg_pin; 4247 *gpio_num = 0; 4248 *gpio_port = 0; 4249 if (CHIP_IS_E3(bp)) { 4250 cfg_pin = (REG_RD(bp, shmem_base + 4251 offsetof(struct shmem_region, 4252 dev_info.port_hw_config[port].e3_sfp_ctrl)) & 4253 PORT_HW_CFG_E3_MOD_ABS_MASK) >> 4254 PORT_HW_CFG_E3_MOD_ABS_SHIFT; 4255 4256 /* Should not happen. This function called upon interrupt 4257 * triggered by GPIO ( since EPIO can only generate interrupts 4258 * to MCP). 4259 * So if this function was called and none of the GPIOs was set, 4260 * it means the shit hit the fan. 4261 */ 4262 if ((cfg_pin < PIN_CFG_GPIO0_P0) || 4263 (cfg_pin > PIN_CFG_GPIO3_P1)) { 4264 DP(NETIF_MSG_LINK, 4265 "ERROR: Invalid cfg pin %x for module detect indication\n", 4266 cfg_pin); 4267 return -EINVAL; 4268 } 4269 4270 *gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3; 4271 *gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2; 4272 } else { 4273 *gpio_num = MISC_REGISTERS_GPIO_3; 4274 *gpio_port = port; 4275 } 4276 DP(NETIF_MSG_LINK, "MOD_ABS int GPIO%d_P%d\n", *gpio_num, *gpio_port); 4277 return 0; 4278 } 4279 4280 static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy, 4281 struct link_params *params) 4282 { 4283 struct bnx2x *bp = params->bp; 4284 u8 gpio_num, gpio_port; 4285 u32 gpio_val; 4286 if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, 4287 params->shmem_base, params->port, 4288 &gpio_num, &gpio_port) != 0) 4289 return 0; 4290 gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port); 4291 4292 /* Call the handling function in case module is detected */ 4293 if (gpio_val == 0) 4294 return 1; 4295 else 4296 return 0; 4297 } 4298 static int bnx2x_warpcore_get_sigdet(struct bnx2x_phy *phy, 4299 struct link_params *params) 4300 { 4301 u16 gp2_status_reg0, lane; 4302 struct bnx2x *bp = params->bp; 4303 4304 lane = bnx2x_get_warpcore_lane(phy, params); 4305 4306 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0, 4307 &gp2_status_reg0); 4308 4309 return (gp2_status_reg0 >> (8+lane)) & 0x1; 4310 } 4311 4312 static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy, 4313 struct link_params *params, 4314 struct link_vars *vars) 4315 { 4316 struct bnx2x *bp = params->bp; 4317 u32 serdes_net_if; 4318 u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0; 4319 u16 lane = bnx2x_get_warpcore_lane(phy, params); 4320 4321 vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1; 4322 4323 if (!vars->turn_to_run_wc_rt) 4324 return; 4325 4326 /* Return if there is no link partner */ 4327 if (!(bnx2x_warpcore_get_sigdet(phy, params))) { 4328 DP(NETIF_MSG_LINK, "bnx2x_warpcore_get_sigdet false\n"); 4329 return; 4330 } 4331 4332 if (vars->rx_tx_asic_rst) { 4333 serdes_net_if = (REG_RD(bp, params->shmem_base + 4334 offsetof(struct shmem_region, dev_info. 4335 port_hw_config[params->port].default_cfg)) & 4336 PORT_HW_CFG_NET_SERDES_IF_MASK); 4337 4338 switch (serdes_net_if) { 4339 case PORT_HW_CFG_NET_SERDES_IF_KR: 4340 /* Do we get link yet? */ 4341 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 0x81d1, 4342 &gp_status1); 4343 lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */ 4344 /*10G KR*/ 4345 lnkup_kr = (gp_status1 >> (12+lane)) & 0x1; 4346 4347 DP(NETIF_MSG_LINK, 4348 "gp_status1 0x%x\n", gp_status1); 4349 4350 if (lnkup_kr || lnkup) { 4351 vars->rx_tx_asic_rst = 0; 4352 DP(NETIF_MSG_LINK, 4353 "link up, rx_tx_asic_rst 0x%x\n", 4354 vars->rx_tx_asic_rst); 4355 } else { 4356 /* Reset the lane to see if link comes up.*/ 4357 bnx2x_warpcore_reset_lane(bp, phy, 1); 4358 bnx2x_warpcore_reset_lane(bp, phy, 0); 4359 4360 /* Restart Autoneg */ 4361 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, 4362 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200); 4363 4364 vars->rx_tx_asic_rst--; 4365 DP(NETIF_MSG_LINK, "0x%x retry left\n", 4366 vars->rx_tx_asic_rst); 4367 } 4368 break; 4369 4370 default: 4371 break; 4372 } 4373 4374 } /*params->rx_tx_asic_rst*/ 4375 4376 } 4377 static void bnx2x_warpcore_config_sfi(struct bnx2x_phy *phy, 4378 struct link_params *params) 4379 { 4380 u16 lane = bnx2x_get_warpcore_lane(phy, params); 4381 struct bnx2x *bp = params->bp; 4382 bnx2x_warpcore_clear_regs(phy, params, lane); 4383 if ((params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)] == 4384 SPEED_10000) && 4385 (phy->media_type != ETH_PHY_SFP_1G_FIBER)) { 4386 DP(NETIF_MSG_LINK, "Setting 10G SFI\n"); 4387 bnx2x_warpcore_set_10G_XFI(phy, params, 0); 4388 } else { 4389 DP(NETIF_MSG_LINK, "Setting 1G Fiber\n"); 4390 bnx2x_warpcore_set_sgmii_speed(phy, params, 1, 0); 4391 } 4392 } 4393 4394 static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy, 4395 struct link_params *params, 4396 struct link_vars *vars) 4397 { 4398 struct bnx2x *bp = params->bp; 4399 u32 serdes_net_if; 4400 u8 fiber_mode; 4401 u16 lane = bnx2x_get_warpcore_lane(phy, params); 4402 serdes_net_if = (REG_RD(bp, params->shmem_base + 4403 offsetof(struct shmem_region, dev_info. 4404 port_hw_config[params->port].default_cfg)) & 4405 PORT_HW_CFG_NET_SERDES_IF_MASK); 4406 DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, " 4407 "serdes_net_if = 0x%x\n", 4408 vars->line_speed, serdes_net_if); 4409 bnx2x_set_aer_mmd(params, phy); 4410 4411 vars->phy_flags |= PHY_XGXS_FLAG; 4412 if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) || 4413 (phy->req_line_speed && 4414 ((phy->req_line_speed == SPEED_100) || 4415 (phy->req_line_speed == SPEED_10)))) { 4416 vars->phy_flags |= PHY_SGMII_FLAG; 4417 DP(NETIF_MSG_LINK, "Setting SGMII mode\n"); 4418 bnx2x_warpcore_clear_regs(phy, params, lane); 4419 bnx2x_warpcore_set_sgmii_speed(phy, params, 0, 1); 4420 } else { 4421 switch (serdes_net_if) { 4422 case PORT_HW_CFG_NET_SERDES_IF_KR: 4423 /* Enable KR Auto Neg */ 4424 if (params->loopback_mode != LOOPBACK_EXT) 4425 bnx2x_warpcore_enable_AN_KR(phy, params, vars); 4426 else { 4427 DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n"); 4428 bnx2x_warpcore_set_10G_KR(phy, params, vars); 4429 } 4430 break; 4431 4432 case PORT_HW_CFG_NET_SERDES_IF_XFI: 4433 bnx2x_warpcore_clear_regs(phy, params, lane); 4434 if (vars->line_speed == SPEED_10000) { 4435 DP(NETIF_MSG_LINK, "Setting 10G XFI\n"); 4436 bnx2x_warpcore_set_10G_XFI(phy, params, 1); 4437 } else { 4438 if (SINGLE_MEDIA_DIRECT(params)) { 4439 DP(NETIF_MSG_LINK, "1G Fiber\n"); 4440 fiber_mode = 1; 4441 } else { 4442 DP(NETIF_MSG_LINK, "10/100/1G SGMII\n"); 4443 fiber_mode = 0; 4444 } 4445 bnx2x_warpcore_set_sgmii_speed(phy, 4446 params, 4447 fiber_mode, 4448 0); 4449 } 4450 4451 break; 4452 4453 case PORT_HW_CFG_NET_SERDES_IF_SFI: 4454 /* Issue Module detection */ 4455 if (bnx2x_is_sfp_module_plugged(phy, params)) 4456 bnx2x_sfp_module_detection(phy, params); 4457 4458 bnx2x_warpcore_config_sfi(phy, params); 4459 break; 4460 4461 case PORT_HW_CFG_NET_SERDES_IF_DXGXS: 4462 if (vars->line_speed != SPEED_20000) { 4463 DP(NETIF_MSG_LINK, "Speed not supported yet\n"); 4464 return; 4465 } 4466 DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n"); 4467 bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane); 4468 /* Issue Module detection */ 4469 4470 bnx2x_sfp_module_detection(phy, params); 4471 break; 4472 4473 case PORT_HW_CFG_NET_SERDES_IF_KR2: 4474 if (vars->line_speed != SPEED_20000) { 4475 DP(NETIF_MSG_LINK, "Speed not supported yet\n"); 4476 return; 4477 } 4478 DP(NETIF_MSG_LINK, "Setting 20G KR2\n"); 4479 bnx2x_warpcore_set_20G_KR2(bp, phy); 4480 break; 4481 4482 default: 4483 DP(NETIF_MSG_LINK, 4484 "Unsupported Serdes Net Interface 0x%x\n", 4485 serdes_net_if); 4486 return; 4487 } 4488 } 4489 4490 /* Take lane out of reset after configuration is finished */ 4491 bnx2x_warpcore_reset_lane(bp, phy, 0); 4492 DP(NETIF_MSG_LINK, "Exit config init\n"); 4493 } 4494 4495 static void bnx2x_sfp_e3_set_transmitter(struct link_params *params, 4496 struct bnx2x_phy *phy, 4497 u8 tx_en) 4498 { 4499 struct bnx2x *bp = params->bp; 4500 u32 cfg_pin; 4501 u8 port = params->port; 4502 4503 cfg_pin = REG_RD(bp, params->shmem_base + 4504 offsetof(struct shmem_region, 4505 dev_info.port_hw_config[port].e3_sfp_ctrl)) & 4506 PORT_HW_CFG_TX_LASER_MASK; 4507 /* Set the !tx_en since this pin is DISABLE_TX_LASER */ 4508 DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en); 4509 /* For 20G, the expected pin to be used is 3 pins after the current */ 4510 4511 bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1); 4512 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G) 4513 bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1); 4514 } 4515 4516 static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy, 4517 struct link_params *params) 4518 { 4519 struct bnx2x *bp = params->bp; 4520 u16 val16; 4521 bnx2x_sfp_e3_set_transmitter(params, phy, 0); 4522 bnx2x_set_mdio_clk(bp, params->chip_id, params->port); 4523 bnx2x_set_aer_mmd(params, phy); 4524 /* Global register */ 4525 bnx2x_warpcore_reset_lane(bp, phy, 1); 4526 4527 /* Clear loopback settings (if any) */ 4528 /* 10G & 20G */ 4529 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 4530 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16); 4531 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4532 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 & 4533 0xBFFF); 4534 4535 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 4536 MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16); 4537 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4538 MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 & 0xfffe); 4539 4540 /* Update those 1-copy registers */ 4541 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK, 4542 MDIO_AER_BLOCK_AER_REG, 0); 4543 /* Enable 1G MDIO (1-copy) */ 4544 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 4545 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, 4546 &val16); 4547 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4548 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, 4549 val16 & ~0x10); 4550 4551 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 4552 MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16); 4553 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4554 MDIO_WC_REG_XGXSBLK1_LANECTRL2, 4555 val16 & 0xff00); 4556 4557 } 4558 4559 static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy, 4560 struct link_params *params) 4561 { 4562 struct bnx2x *bp = params->bp; 4563 u16 val16; 4564 u32 lane; 4565 DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n", 4566 params->loopback_mode, phy->req_line_speed); 4567 4568 if (phy->req_line_speed < SPEED_10000) { 4569 /* 10/100/1000 */ 4570 4571 /* Update those 1-copy registers */ 4572 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK, 4573 MDIO_AER_BLOCK_AER_REG, 0); 4574 /* Enable 1G MDIO (1-copy) */ 4575 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, 4576 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, 4577 0x10); 4578 /* Set 1G loopback based on lane (1-copy) */ 4579 lane = bnx2x_get_warpcore_lane(phy, params); 4580 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 4581 MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16); 4582 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4583 MDIO_WC_REG_XGXSBLK1_LANECTRL2, 4584 val16 | (1<<lane)); 4585 4586 /* Switch back to 4-copy registers */ 4587 bnx2x_set_aer_mmd(params, phy); 4588 } else { 4589 /* 10G & 20G */ 4590 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, 4591 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 4592 0x4000); 4593 4594 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, 4595 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1); 4596 } 4597 } 4598 4599 4600 4601 static void bnx2x_sync_link(struct link_params *params, 4602 struct link_vars *vars) 4603 { 4604 struct bnx2x *bp = params->bp; 4605 u8 link_10g_plus; 4606 if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG) 4607 vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG; 4608 vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP); 4609 if (vars->link_up) { 4610 DP(NETIF_MSG_LINK, "phy link up\n"); 4611 4612 vars->phy_link_up = 1; 4613 vars->duplex = DUPLEX_FULL; 4614 switch (vars->link_status & 4615 LINK_STATUS_SPEED_AND_DUPLEX_MASK) { 4616 case LINK_10THD: 4617 vars->duplex = DUPLEX_HALF; 4618 /* Fall thru */ 4619 case LINK_10TFD: 4620 vars->line_speed = SPEED_10; 4621 break; 4622 4623 case LINK_100TXHD: 4624 vars->duplex = DUPLEX_HALF; 4625 /* Fall thru */ 4626 case LINK_100T4: 4627 case LINK_100TXFD: 4628 vars->line_speed = SPEED_100; 4629 break; 4630 4631 case LINK_1000THD: 4632 vars->duplex = DUPLEX_HALF; 4633 /* Fall thru */ 4634 case LINK_1000TFD: 4635 vars->line_speed = SPEED_1000; 4636 break; 4637 4638 case LINK_2500THD: 4639 vars->duplex = DUPLEX_HALF; 4640 /* Fall thru */ 4641 case LINK_2500TFD: 4642 vars->line_speed = SPEED_2500; 4643 break; 4644 4645 case LINK_10GTFD: 4646 vars->line_speed = SPEED_10000; 4647 break; 4648 case LINK_20GTFD: 4649 vars->line_speed = SPEED_20000; 4650 break; 4651 default: 4652 break; 4653 } 4654 vars->flow_ctrl = 0; 4655 if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED) 4656 vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX; 4657 4658 if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED) 4659 vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX; 4660 4661 if (!vars->flow_ctrl) 4662 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE; 4663 4664 if (vars->line_speed && 4665 ((vars->line_speed == SPEED_10) || 4666 (vars->line_speed == SPEED_100))) { 4667 vars->phy_flags |= PHY_SGMII_FLAG; 4668 } else { 4669 vars->phy_flags &= ~PHY_SGMII_FLAG; 4670 } 4671 if (vars->line_speed && 4672 USES_WARPCORE(bp) && 4673 (vars->line_speed == SPEED_1000)) 4674 vars->phy_flags |= PHY_SGMII_FLAG; 4675 /* Anything 10 and over uses the bmac */ 4676 link_10g_plus = (vars->line_speed >= SPEED_10000); 4677 4678 if (link_10g_plus) { 4679 if (USES_WARPCORE(bp)) 4680 vars->mac_type = MAC_TYPE_XMAC; 4681 else 4682 vars->mac_type = MAC_TYPE_BMAC; 4683 } else { 4684 if (USES_WARPCORE(bp)) 4685 vars->mac_type = MAC_TYPE_UMAC; 4686 else 4687 vars->mac_type = MAC_TYPE_EMAC; 4688 } 4689 } else { /* Link down */ 4690 DP(NETIF_MSG_LINK, "phy link down\n"); 4691 4692 vars->phy_link_up = 0; 4693 4694 vars->line_speed = 0; 4695 vars->duplex = DUPLEX_FULL; 4696 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE; 4697 4698 /* Indicate no mac active */ 4699 vars->mac_type = MAC_TYPE_NONE; 4700 if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG) 4701 vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG; 4702 if (vars->link_status & LINK_STATUS_SFP_TX_FAULT) 4703 vars->phy_flags |= PHY_SFP_TX_FAULT_FLAG; 4704 } 4705 } 4706 4707 void bnx2x_link_status_update(struct link_params *params, 4708 struct link_vars *vars) 4709 { 4710 struct bnx2x *bp = params->bp; 4711 u8 port = params->port; 4712 u32 sync_offset, media_types; 4713 /* Update PHY configuration */ 4714 set_phy_vars(params, vars); 4715 4716 vars->link_status = REG_RD(bp, params->shmem_base + 4717 offsetof(struct shmem_region, 4718 port_mb[port].link_status)); 4719 4720 vars->phy_flags = PHY_XGXS_FLAG; 4721 bnx2x_sync_link(params, vars); 4722 /* Sync media type */ 4723 sync_offset = params->shmem_base + 4724 offsetof(struct shmem_region, 4725 dev_info.port_hw_config[port].media_type); 4726 media_types = REG_RD(bp, sync_offset); 4727 4728 params->phy[INT_PHY].media_type = 4729 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >> 4730 PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT; 4731 params->phy[EXT_PHY1].media_type = 4732 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >> 4733 PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT; 4734 params->phy[EXT_PHY2].media_type = 4735 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >> 4736 PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT; 4737 DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types); 4738 4739 /* Sync AEU offset */ 4740 sync_offset = params->shmem_base + 4741 offsetof(struct shmem_region, 4742 dev_info.port_hw_config[port].aeu_int_mask); 4743 4744 vars->aeu_int_mask = REG_RD(bp, sync_offset); 4745 4746 /* Sync PFC status */ 4747 if (vars->link_status & LINK_STATUS_PFC_ENABLED) 4748 params->feature_config_flags |= 4749 FEATURE_CONFIG_PFC_ENABLED; 4750 else 4751 params->feature_config_flags &= 4752 ~FEATURE_CONFIG_PFC_ENABLED; 4753 4754 DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n", 4755 vars->link_status, vars->phy_link_up, vars->aeu_int_mask); 4756 DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n", 4757 vars->line_speed, vars->duplex, vars->flow_ctrl); 4758 } 4759 4760 static void bnx2x_set_master_ln(struct link_params *params, 4761 struct bnx2x_phy *phy) 4762 { 4763 struct bnx2x *bp = params->bp; 4764 u16 new_master_ln, ser_lane; 4765 ser_lane = ((params->lane_config & 4766 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >> 4767 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT); 4768 4769 /* Set the master_ln for AN */ 4770 CL22_RD_OVER_CL45(bp, phy, 4771 MDIO_REG_BANK_XGXS_BLOCK2, 4772 MDIO_XGXS_BLOCK2_TEST_MODE_LANE, 4773 &new_master_ln); 4774 4775 CL22_WR_OVER_CL45(bp, phy, 4776 MDIO_REG_BANK_XGXS_BLOCK2 , 4777 MDIO_XGXS_BLOCK2_TEST_MODE_LANE, 4778 (new_master_ln | ser_lane)); 4779 } 4780 4781 static int bnx2x_reset_unicore(struct link_params *params, 4782 struct bnx2x_phy *phy, 4783 u8 set_serdes) 4784 { 4785 struct bnx2x *bp = params->bp; 4786 u16 mii_control; 4787 u16 i; 4788 CL22_RD_OVER_CL45(bp, phy, 4789 MDIO_REG_BANK_COMBO_IEEE0, 4790 MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control); 4791 4792 /* Reset the unicore */ 4793 CL22_WR_OVER_CL45(bp, phy, 4794 MDIO_REG_BANK_COMBO_IEEE0, 4795 MDIO_COMBO_IEEE0_MII_CONTROL, 4796 (mii_control | 4797 MDIO_COMBO_IEEO_MII_CONTROL_RESET)); 4798 if (set_serdes) 4799 bnx2x_set_serdes_access(bp, params->port); 4800 4801 /* Wait for the reset to self clear */ 4802 for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) { 4803 udelay(5); 4804 4805 /* The reset erased the previous bank value */ 4806 CL22_RD_OVER_CL45(bp, phy, 4807 MDIO_REG_BANK_COMBO_IEEE0, 4808 MDIO_COMBO_IEEE0_MII_CONTROL, 4809 &mii_control); 4810 4811 if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) { 4812 udelay(5); 4813 return 0; 4814 } 4815 } 4816 4817 netdev_err(bp->dev, "Warning: PHY was not initialized," 4818 " Port %d\n", 4819 params->port); 4820 DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n"); 4821 return -EINVAL; 4822 4823 } 4824 4825 static void bnx2x_set_swap_lanes(struct link_params *params, 4826 struct bnx2x_phy *phy) 4827 { 4828 struct bnx2x *bp = params->bp; 4829 /* Each two bits represents a lane number: 4830 * No swap is 0123 => 0x1b no need to enable the swap 4831 */ 4832 u16 rx_lane_swap, tx_lane_swap; 4833 4834 rx_lane_swap = ((params->lane_config & 4835 PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >> 4836 PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT); 4837 tx_lane_swap = ((params->lane_config & 4838 PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >> 4839 PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT); 4840 4841 if (rx_lane_swap != 0x1b) { 4842 CL22_WR_OVER_CL45(bp, phy, 4843 MDIO_REG_BANK_XGXS_BLOCK2, 4844 MDIO_XGXS_BLOCK2_RX_LN_SWAP, 4845 (rx_lane_swap | 4846 MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE | 4847 MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE)); 4848 } else { 4849 CL22_WR_OVER_CL45(bp, phy, 4850 MDIO_REG_BANK_XGXS_BLOCK2, 4851 MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0); 4852 } 4853 4854 if (tx_lane_swap != 0x1b) { 4855 CL22_WR_OVER_CL45(bp, phy, 4856 MDIO_REG_BANK_XGXS_BLOCK2, 4857 MDIO_XGXS_BLOCK2_TX_LN_SWAP, 4858 (tx_lane_swap | 4859 MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE)); 4860 } else { 4861 CL22_WR_OVER_CL45(bp, phy, 4862 MDIO_REG_BANK_XGXS_BLOCK2, 4863 MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0); 4864 } 4865 } 4866 4867 static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy, 4868 struct link_params *params) 4869 { 4870 struct bnx2x *bp = params->bp; 4871 u16 control2; 4872 CL22_RD_OVER_CL45(bp, phy, 4873 MDIO_REG_BANK_SERDES_DIGITAL, 4874 MDIO_SERDES_DIGITAL_A_1000X_CONTROL2, 4875 &control2); 4876 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) 4877 control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN; 4878 else 4879 control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN; 4880 DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n", 4881 phy->speed_cap_mask, control2); 4882 CL22_WR_OVER_CL45(bp, phy, 4883 MDIO_REG_BANK_SERDES_DIGITAL, 4884 MDIO_SERDES_DIGITAL_A_1000X_CONTROL2, 4885 control2); 4886 4887 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) && 4888 (phy->speed_cap_mask & 4889 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) { 4890 DP(NETIF_MSG_LINK, "XGXS\n"); 4891 4892 CL22_WR_OVER_CL45(bp, phy, 4893 MDIO_REG_BANK_10G_PARALLEL_DETECT, 4894 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK, 4895 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT); 4896 4897 CL22_RD_OVER_CL45(bp, phy, 4898 MDIO_REG_BANK_10G_PARALLEL_DETECT, 4899 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL, 4900 &control2); 4901 4902 4903 control2 |= 4904 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN; 4905 4906 CL22_WR_OVER_CL45(bp, phy, 4907 MDIO_REG_BANK_10G_PARALLEL_DETECT, 4908 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL, 4909 control2); 4910 4911 /* Disable parallel detection of HiG */ 4912 CL22_WR_OVER_CL45(bp, phy, 4913 MDIO_REG_BANK_XGXS_BLOCK2, 4914 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G, 4915 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS | 4916 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS); 4917 } 4918 } 4919 4920 static void bnx2x_set_autoneg(struct bnx2x_phy *phy, 4921 struct link_params *params, 4922 struct link_vars *vars, 4923 u8 enable_cl73) 4924 { 4925 struct bnx2x *bp = params->bp; 4926 u16 reg_val; 4927 4928 /* CL37 Autoneg */ 4929 CL22_RD_OVER_CL45(bp, phy, 4930 MDIO_REG_BANK_COMBO_IEEE0, 4931 MDIO_COMBO_IEEE0_MII_CONTROL, ®_val); 4932 4933 /* CL37 Autoneg Enabled */ 4934 if (vars->line_speed == SPEED_AUTO_NEG) 4935 reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN; 4936 else /* CL37 Autoneg Disabled */ 4937 reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN | 4938 MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN); 4939 4940 CL22_WR_OVER_CL45(bp, phy, 4941 MDIO_REG_BANK_COMBO_IEEE0, 4942 MDIO_COMBO_IEEE0_MII_CONTROL, reg_val); 4943 4944 /* Enable/Disable Autodetection */ 4945 4946 CL22_RD_OVER_CL45(bp, phy, 4947 MDIO_REG_BANK_SERDES_DIGITAL, 4948 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, ®_val); 4949 reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN | 4950 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT); 4951 reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE; 4952 if (vars->line_speed == SPEED_AUTO_NEG) 4953 reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET; 4954 else 4955 reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET; 4956 4957 CL22_WR_OVER_CL45(bp, phy, 4958 MDIO_REG_BANK_SERDES_DIGITAL, 4959 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val); 4960 4961 /* Enable TetonII and BAM autoneg */ 4962 CL22_RD_OVER_CL45(bp, phy, 4963 MDIO_REG_BANK_BAM_NEXT_PAGE, 4964 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL, 4965 ®_val); 4966 if (vars->line_speed == SPEED_AUTO_NEG) { 4967 /* Enable BAM aneg Mode and TetonII aneg Mode */ 4968 reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE | 4969 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN); 4970 } else { 4971 /* TetonII and BAM Autoneg Disabled */ 4972 reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE | 4973 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN); 4974 } 4975 CL22_WR_OVER_CL45(bp, phy, 4976 MDIO_REG_BANK_BAM_NEXT_PAGE, 4977 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL, 4978 reg_val); 4979 4980 if (enable_cl73) { 4981 /* Enable Cl73 FSM status bits */ 4982 CL22_WR_OVER_CL45(bp, phy, 4983 MDIO_REG_BANK_CL73_USERB0, 4984 MDIO_CL73_USERB0_CL73_UCTRL, 4985 0xe); 4986 4987 /* Enable BAM Station Manager*/ 4988 CL22_WR_OVER_CL45(bp, phy, 4989 MDIO_REG_BANK_CL73_USERB0, 4990 MDIO_CL73_USERB0_CL73_BAM_CTRL1, 4991 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN | 4992 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN | 4993 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN); 4994 4995 /* Advertise CL73 link speeds */ 4996 CL22_RD_OVER_CL45(bp, phy, 4997 MDIO_REG_BANK_CL73_IEEEB1, 4998 MDIO_CL73_IEEEB1_AN_ADV2, 4999 ®_val); 5000 if (phy->speed_cap_mask & 5001 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) 5002 reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4; 5003 if (phy->speed_cap_mask & 5004 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) 5005 reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX; 5006 5007 CL22_WR_OVER_CL45(bp, phy, 5008 MDIO_REG_BANK_CL73_IEEEB1, 5009 MDIO_CL73_IEEEB1_AN_ADV2, 5010 reg_val); 5011 5012 /* CL73 Autoneg Enabled */ 5013 reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN; 5014 5015 } else /* CL73 Autoneg Disabled */ 5016 reg_val = 0; 5017 5018 CL22_WR_OVER_CL45(bp, phy, 5019 MDIO_REG_BANK_CL73_IEEEB0, 5020 MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val); 5021 } 5022 5023 /* Program SerDes, forced speed */ 5024 static void bnx2x_program_serdes(struct bnx2x_phy *phy, 5025 struct link_params *params, 5026 struct link_vars *vars) 5027 { 5028 struct bnx2x *bp = params->bp; 5029 u16 reg_val; 5030 5031 /* Program duplex, disable autoneg and sgmii*/ 5032 CL22_RD_OVER_CL45(bp, phy, 5033 MDIO_REG_BANK_COMBO_IEEE0, 5034 MDIO_COMBO_IEEE0_MII_CONTROL, ®_val); 5035 reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX | 5036 MDIO_COMBO_IEEO_MII_CONTROL_AN_EN | 5037 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK); 5038 if (phy->req_duplex == DUPLEX_FULL) 5039 reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX; 5040 CL22_WR_OVER_CL45(bp, phy, 5041 MDIO_REG_BANK_COMBO_IEEE0, 5042 MDIO_COMBO_IEEE0_MII_CONTROL, reg_val); 5043 5044 /* Program speed 5045 * - needed only if the speed is greater than 1G (2.5G or 10G) 5046 */ 5047 CL22_RD_OVER_CL45(bp, phy, 5048 MDIO_REG_BANK_SERDES_DIGITAL, 5049 MDIO_SERDES_DIGITAL_MISC1, ®_val); 5050 /* Clearing the speed value before setting the right speed */ 5051 DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val); 5052 5053 reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK | 5054 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL); 5055 5056 if (!((vars->line_speed == SPEED_1000) || 5057 (vars->line_speed == SPEED_100) || 5058 (vars->line_speed == SPEED_10))) { 5059 5060 reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M | 5061 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL); 5062 if (vars->line_speed == SPEED_10000) 5063 reg_val |= 5064 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4; 5065 } 5066 5067 CL22_WR_OVER_CL45(bp, phy, 5068 MDIO_REG_BANK_SERDES_DIGITAL, 5069 MDIO_SERDES_DIGITAL_MISC1, reg_val); 5070 5071 } 5072 5073 static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy, 5074 struct link_params *params) 5075 { 5076 struct bnx2x *bp = params->bp; 5077 u16 val = 0; 5078 5079 /* Set extended capabilities */ 5080 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) 5081 val |= MDIO_OVER_1G_UP1_2_5G; 5082 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) 5083 val |= MDIO_OVER_1G_UP1_10G; 5084 CL22_WR_OVER_CL45(bp, phy, 5085 MDIO_REG_BANK_OVER_1G, 5086 MDIO_OVER_1G_UP1, val); 5087 5088 CL22_WR_OVER_CL45(bp, phy, 5089 MDIO_REG_BANK_OVER_1G, 5090 MDIO_OVER_1G_UP3, 0x400); 5091 } 5092 5093 static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy, 5094 struct link_params *params, 5095 u16 ieee_fc) 5096 { 5097 struct bnx2x *bp = params->bp; 5098 u16 val; 5099 /* For AN, we are always publishing full duplex */ 5100 5101 CL22_WR_OVER_CL45(bp, phy, 5102 MDIO_REG_BANK_COMBO_IEEE0, 5103 MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc); 5104 CL22_RD_OVER_CL45(bp, phy, 5105 MDIO_REG_BANK_CL73_IEEEB1, 5106 MDIO_CL73_IEEEB1_AN_ADV1, &val); 5107 val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH; 5108 val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK); 5109 CL22_WR_OVER_CL45(bp, phy, 5110 MDIO_REG_BANK_CL73_IEEEB1, 5111 MDIO_CL73_IEEEB1_AN_ADV1, val); 5112 } 5113 5114 static void bnx2x_restart_autoneg(struct bnx2x_phy *phy, 5115 struct link_params *params, 5116 u8 enable_cl73) 5117 { 5118 struct bnx2x *bp = params->bp; 5119 u16 mii_control; 5120 5121 DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n"); 5122 /* Enable and restart BAM/CL37 aneg */ 5123 5124 if (enable_cl73) { 5125 CL22_RD_OVER_CL45(bp, phy, 5126 MDIO_REG_BANK_CL73_IEEEB0, 5127 MDIO_CL73_IEEEB0_CL73_AN_CONTROL, 5128 &mii_control); 5129 5130 CL22_WR_OVER_CL45(bp, phy, 5131 MDIO_REG_BANK_CL73_IEEEB0, 5132 MDIO_CL73_IEEEB0_CL73_AN_CONTROL, 5133 (mii_control | 5134 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN | 5135 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN)); 5136 } else { 5137 5138 CL22_RD_OVER_CL45(bp, phy, 5139 MDIO_REG_BANK_COMBO_IEEE0, 5140 MDIO_COMBO_IEEE0_MII_CONTROL, 5141 &mii_control); 5142 DP(NETIF_MSG_LINK, 5143 "bnx2x_restart_autoneg mii_control before = 0x%x\n", 5144 mii_control); 5145 CL22_WR_OVER_CL45(bp, phy, 5146 MDIO_REG_BANK_COMBO_IEEE0, 5147 MDIO_COMBO_IEEE0_MII_CONTROL, 5148 (mii_control | 5149 MDIO_COMBO_IEEO_MII_CONTROL_AN_EN | 5150 MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN)); 5151 } 5152 } 5153 5154 static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy, 5155 struct link_params *params, 5156 struct link_vars *vars) 5157 { 5158 struct bnx2x *bp = params->bp; 5159 u16 control1; 5160 5161 /* In SGMII mode, the unicore is always slave */ 5162 5163 CL22_RD_OVER_CL45(bp, phy, 5164 MDIO_REG_BANK_SERDES_DIGITAL, 5165 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, 5166 &control1); 5167 control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT; 5168 /* Set sgmii mode (and not fiber) */ 5169 control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE | 5170 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET | 5171 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE); 5172 CL22_WR_OVER_CL45(bp, phy, 5173 MDIO_REG_BANK_SERDES_DIGITAL, 5174 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, 5175 control1); 5176 5177 /* If forced speed */ 5178 if (!(vars->line_speed == SPEED_AUTO_NEG)) { 5179 /* Set speed, disable autoneg */ 5180 u16 mii_control; 5181 5182 CL22_RD_OVER_CL45(bp, phy, 5183 MDIO_REG_BANK_COMBO_IEEE0, 5184 MDIO_COMBO_IEEE0_MII_CONTROL, 5185 &mii_control); 5186 mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN | 5187 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK| 5188 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX); 5189 5190 switch (vars->line_speed) { 5191 case SPEED_100: 5192 mii_control |= 5193 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100; 5194 break; 5195 case SPEED_1000: 5196 mii_control |= 5197 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000; 5198 break; 5199 case SPEED_10: 5200 /* There is nothing to set for 10M */ 5201 break; 5202 default: 5203 /* Invalid speed for SGMII */ 5204 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n", 5205 vars->line_speed); 5206 break; 5207 } 5208 5209 /* Setting the full duplex */ 5210 if (phy->req_duplex == DUPLEX_FULL) 5211 mii_control |= 5212 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX; 5213 CL22_WR_OVER_CL45(bp, phy, 5214 MDIO_REG_BANK_COMBO_IEEE0, 5215 MDIO_COMBO_IEEE0_MII_CONTROL, 5216 mii_control); 5217 5218 } else { /* AN mode */ 5219 /* Enable and restart AN */ 5220 bnx2x_restart_autoneg(phy, params, 0); 5221 } 5222 } 5223 5224 /* Link management 5225 */ 5226 static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy, 5227 struct link_params *params) 5228 { 5229 struct bnx2x *bp = params->bp; 5230 u16 pd_10g, status2_1000x; 5231 if (phy->req_line_speed != SPEED_AUTO_NEG) 5232 return 0; 5233 CL22_RD_OVER_CL45(bp, phy, 5234 MDIO_REG_BANK_SERDES_DIGITAL, 5235 MDIO_SERDES_DIGITAL_A_1000X_STATUS2, 5236 &status2_1000x); 5237 CL22_RD_OVER_CL45(bp, phy, 5238 MDIO_REG_BANK_SERDES_DIGITAL, 5239 MDIO_SERDES_DIGITAL_A_1000X_STATUS2, 5240 &status2_1000x); 5241 if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) { 5242 DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n", 5243 params->port); 5244 return 1; 5245 } 5246 5247 CL22_RD_OVER_CL45(bp, phy, 5248 MDIO_REG_BANK_10G_PARALLEL_DETECT, 5249 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS, 5250 &pd_10g); 5251 5252 if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) { 5253 DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n", 5254 params->port); 5255 return 1; 5256 } 5257 return 0; 5258 } 5259 5260 static void bnx2x_update_adv_fc(struct bnx2x_phy *phy, 5261 struct link_params *params, 5262 struct link_vars *vars, 5263 u32 gp_status) 5264 { 5265 u16 ld_pause; /* local driver */ 5266 u16 lp_pause; /* link partner */ 5267 u16 pause_result; 5268 struct bnx2x *bp = params->bp; 5269 if ((gp_status & 5270 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | 5271 MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) == 5272 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | 5273 MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) { 5274 5275 CL22_RD_OVER_CL45(bp, phy, 5276 MDIO_REG_BANK_CL73_IEEEB1, 5277 MDIO_CL73_IEEEB1_AN_ADV1, 5278 &ld_pause); 5279 CL22_RD_OVER_CL45(bp, phy, 5280 MDIO_REG_BANK_CL73_IEEEB1, 5281 MDIO_CL73_IEEEB1_AN_LP_ADV1, 5282 &lp_pause); 5283 pause_result = (ld_pause & 5284 MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK) >> 8; 5285 pause_result |= (lp_pause & 5286 MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK) >> 10; 5287 DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n", pause_result); 5288 } else { 5289 CL22_RD_OVER_CL45(bp, phy, 5290 MDIO_REG_BANK_COMBO_IEEE0, 5291 MDIO_COMBO_IEEE0_AUTO_NEG_ADV, 5292 &ld_pause); 5293 CL22_RD_OVER_CL45(bp, phy, 5294 MDIO_REG_BANK_COMBO_IEEE0, 5295 MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1, 5296 &lp_pause); 5297 pause_result = (ld_pause & 5298 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5; 5299 pause_result |= (lp_pause & 5300 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7; 5301 DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n", pause_result); 5302 } 5303 bnx2x_pause_resolve(vars, pause_result); 5304 5305 } 5306 5307 static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy, 5308 struct link_params *params, 5309 struct link_vars *vars, 5310 u32 gp_status) 5311 { 5312 struct bnx2x *bp = params->bp; 5313 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE; 5314 5315 /* Resolve from gp_status in case of AN complete and not sgmii */ 5316 if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) { 5317 /* Update the advertised flow-controled of LD/LP in AN */ 5318 if (phy->req_line_speed == SPEED_AUTO_NEG) 5319 bnx2x_update_adv_fc(phy, params, vars, gp_status); 5320 /* But set the flow-control result as the requested one */ 5321 vars->flow_ctrl = phy->req_flow_ctrl; 5322 } else if (phy->req_line_speed != SPEED_AUTO_NEG) 5323 vars->flow_ctrl = params->req_fc_auto_adv; 5324 else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) && 5325 (!(vars->phy_flags & PHY_SGMII_FLAG))) { 5326 if (bnx2x_direct_parallel_detect_used(phy, params)) { 5327 vars->flow_ctrl = params->req_fc_auto_adv; 5328 return; 5329 } 5330 bnx2x_update_adv_fc(phy, params, vars, gp_status); 5331 } 5332 DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl); 5333 } 5334 5335 static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy, 5336 struct link_params *params) 5337 { 5338 struct bnx2x *bp = params->bp; 5339 u16 rx_status, ustat_val, cl37_fsm_received; 5340 DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n"); 5341 /* Step 1: Make sure signal is detected */ 5342 CL22_RD_OVER_CL45(bp, phy, 5343 MDIO_REG_BANK_RX0, 5344 MDIO_RX0_RX_STATUS, 5345 &rx_status); 5346 if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) != 5347 (MDIO_RX0_RX_STATUS_SIGDET)) { 5348 DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73." 5349 "rx_status(0x80b0) = 0x%x\n", rx_status); 5350 CL22_WR_OVER_CL45(bp, phy, 5351 MDIO_REG_BANK_CL73_IEEEB0, 5352 MDIO_CL73_IEEEB0_CL73_AN_CONTROL, 5353 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN); 5354 return; 5355 } 5356 /* Step 2: Check CL73 state machine */ 5357 CL22_RD_OVER_CL45(bp, phy, 5358 MDIO_REG_BANK_CL73_USERB0, 5359 MDIO_CL73_USERB0_CL73_USTAT1, 5360 &ustat_val); 5361 if ((ustat_val & 5362 (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK | 5363 MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) != 5364 (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK | 5365 MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) { 5366 DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. " 5367 "ustat_val(0x8371) = 0x%x\n", ustat_val); 5368 return; 5369 } 5370 /* Step 3: Check CL37 Message Pages received to indicate LP 5371 * supports only CL37 5372 */ 5373 CL22_RD_OVER_CL45(bp, phy, 5374 MDIO_REG_BANK_REMOTE_PHY, 5375 MDIO_REMOTE_PHY_MISC_RX_STATUS, 5376 &cl37_fsm_received); 5377 if ((cl37_fsm_received & 5378 (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG | 5379 MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) != 5380 (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG | 5381 MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) { 5382 DP(NETIF_MSG_LINK, "No CL37 FSM were received. " 5383 "misc_rx_status(0x8330) = 0x%x\n", 5384 cl37_fsm_received); 5385 return; 5386 } 5387 /* The combined cl37/cl73 fsm state information indicating that 5388 * we are connected to a device which does not support cl73, but 5389 * does support cl37 BAM. In this case we disable cl73 and 5390 * restart cl37 auto-neg 5391 */ 5392 5393 /* Disable CL73 */ 5394 CL22_WR_OVER_CL45(bp, phy, 5395 MDIO_REG_BANK_CL73_IEEEB0, 5396 MDIO_CL73_IEEEB0_CL73_AN_CONTROL, 5397 0); 5398 /* Restart CL37 autoneg */ 5399 bnx2x_restart_autoneg(phy, params, 0); 5400 DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n"); 5401 } 5402 5403 static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy, 5404 struct link_params *params, 5405 struct link_vars *vars, 5406 u32 gp_status) 5407 { 5408 if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE) 5409 vars->link_status |= 5410 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE; 5411 5412 if (bnx2x_direct_parallel_detect_used(phy, params)) 5413 vars->link_status |= 5414 LINK_STATUS_PARALLEL_DETECTION_USED; 5415 } 5416 static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy, 5417 struct link_params *params, 5418 struct link_vars *vars, 5419 u16 is_link_up, 5420 u16 speed_mask, 5421 u16 is_duplex) 5422 { 5423 struct bnx2x *bp = params->bp; 5424 if (phy->req_line_speed == SPEED_AUTO_NEG) 5425 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED; 5426 if (is_link_up) { 5427 DP(NETIF_MSG_LINK, "phy link up\n"); 5428 5429 vars->phy_link_up = 1; 5430 vars->link_status |= LINK_STATUS_LINK_UP; 5431 5432 switch (speed_mask) { 5433 case GP_STATUS_10M: 5434 vars->line_speed = SPEED_10; 5435 if (vars->duplex == DUPLEX_FULL) 5436 vars->link_status |= LINK_10TFD; 5437 else 5438 vars->link_status |= LINK_10THD; 5439 break; 5440 5441 case GP_STATUS_100M: 5442 vars->line_speed = SPEED_100; 5443 if (vars->duplex == DUPLEX_FULL) 5444 vars->link_status |= LINK_100TXFD; 5445 else 5446 vars->link_status |= LINK_100TXHD; 5447 break; 5448 5449 case GP_STATUS_1G: 5450 case GP_STATUS_1G_KX: 5451 vars->line_speed = SPEED_1000; 5452 if (vars->duplex == DUPLEX_FULL) 5453 vars->link_status |= LINK_1000TFD; 5454 else 5455 vars->link_status |= LINK_1000THD; 5456 break; 5457 5458 case GP_STATUS_2_5G: 5459 vars->line_speed = SPEED_2500; 5460 if (vars->duplex == DUPLEX_FULL) 5461 vars->link_status |= LINK_2500TFD; 5462 else 5463 vars->link_status |= LINK_2500THD; 5464 break; 5465 5466 case GP_STATUS_5G: 5467 case GP_STATUS_6G: 5468 DP(NETIF_MSG_LINK, 5469 "link speed unsupported gp_status 0x%x\n", 5470 speed_mask); 5471 return -EINVAL; 5472 5473 case GP_STATUS_10G_KX4: 5474 case GP_STATUS_10G_HIG: 5475 case GP_STATUS_10G_CX4: 5476 case GP_STATUS_10G_KR: 5477 case GP_STATUS_10G_SFI: 5478 case GP_STATUS_10G_XFI: 5479 vars->line_speed = SPEED_10000; 5480 vars->link_status |= LINK_10GTFD; 5481 break; 5482 case GP_STATUS_20G_DXGXS: 5483 vars->line_speed = SPEED_20000; 5484 vars->link_status |= LINK_20GTFD; 5485 break; 5486 default: 5487 DP(NETIF_MSG_LINK, 5488 "link speed unsupported gp_status 0x%x\n", 5489 speed_mask); 5490 return -EINVAL; 5491 } 5492 } else { /* link_down */ 5493 DP(NETIF_MSG_LINK, "phy link down\n"); 5494 5495 vars->phy_link_up = 0; 5496 5497 vars->duplex = DUPLEX_FULL; 5498 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE; 5499 vars->mac_type = MAC_TYPE_NONE; 5500 } 5501 DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n", 5502 vars->phy_link_up, vars->line_speed); 5503 return 0; 5504 } 5505 5506 static int bnx2x_link_settings_status(struct bnx2x_phy *phy, 5507 struct link_params *params, 5508 struct link_vars *vars) 5509 { 5510 struct bnx2x *bp = params->bp; 5511 5512 u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask; 5513 int rc = 0; 5514 5515 /* Read gp_status */ 5516 CL22_RD_OVER_CL45(bp, phy, 5517 MDIO_REG_BANK_GP_STATUS, 5518 MDIO_GP_STATUS_TOP_AN_STATUS1, 5519 &gp_status); 5520 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS) 5521 duplex = DUPLEX_FULL; 5522 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) 5523 link_up = 1; 5524 speed_mask = gp_status & GP_STATUS_SPEED_MASK; 5525 DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n", 5526 gp_status, link_up, speed_mask); 5527 rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask, 5528 duplex); 5529 if (rc == -EINVAL) 5530 return rc; 5531 5532 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) { 5533 if (SINGLE_MEDIA_DIRECT(params)) { 5534 bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status); 5535 if (phy->req_line_speed == SPEED_AUTO_NEG) 5536 bnx2x_xgxs_an_resolve(phy, params, vars, 5537 gp_status); 5538 } 5539 } else { /* Link_down */ 5540 if ((phy->req_line_speed == SPEED_AUTO_NEG) && 5541 SINGLE_MEDIA_DIRECT(params)) { 5542 /* Check signal is detected */ 5543 bnx2x_check_fallback_to_cl37(phy, params); 5544 } 5545 } 5546 5547 /* Read LP advertised speeds*/ 5548 if (SINGLE_MEDIA_DIRECT(params) && 5549 (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)) { 5550 u16 val; 5551 5552 CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB1, 5553 MDIO_CL73_IEEEB1_AN_LP_ADV2, &val); 5554 5555 if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX) 5556 vars->link_status |= 5557 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE; 5558 if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 | 5559 MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR)) 5560 vars->link_status |= 5561 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE; 5562 5563 CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_OVER_1G, 5564 MDIO_OVER_1G_LP_UP1, &val); 5565 5566 if (val & MDIO_OVER_1G_UP1_2_5G) 5567 vars->link_status |= 5568 LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE; 5569 if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH)) 5570 vars->link_status |= 5571 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE; 5572 } 5573 5574 DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n", 5575 vars->duplex, vars->flow_ctrl, vars->link_status); 5576 return rc; 5577 } 5578 5579 static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy, 5580 struct link_params *params, 5581 struct link_vars *vars) 5582 { 5583 struct bnx2x *bp = params->bp; 5584 u8 lane; 5585 u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL; 5586 int rc = 0; 5587 lane = bnx2x_get_warpcore_lane(phy, params); 5588 /* Read gp_status */ 5589 if (phy->req_line_speed > SPEED_10000) { 5590 u16 temp_link_up; 5591 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 5592 1, &temp_link_up); 5593 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 5594 1, &link_up); 5595 DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n", 5596 temp_link_up, link_up); 5597 link_up &= (1<<2); 5598 if (link_up) 5599 bnx2x_ext_phy_resolve_fc(phy, params, vars); 5600 } else { 5601 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 5602 MDIO_WC_REG_GP2_STATUS_GP_2_1, &gp_status1); 5603 DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1); 5604 /* Check for either KR or generic link up. */ 5605 gp_status1 = ((gp_status1 >> 8) & 0xf) | 5606 ((gp_status1 >> 12) & 0xf); 5607 link_up = gp_status1 & (1 << lane); 5608 if (link_up && SINGLE_MEDIA_DIRECT(params)) { 5609 u16 pd, gp_status4; 5610 if (phy->req_line_speed == SPEED_AUTO_NEG) { 5611 /* Check Autoneg complete */ 5612 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 5613 MDIO_WC_REG_GP2_STATUS_GP_2_4, 5614 &gp_status4); 5615 if (gp_status4 & ((1<<12)<<lane)) 5616 vars->link_status |= 5617 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE; 5618 5619 /* Check parallel detect used */ 5620 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 5621 MDIO_WC_REG_PAR_DET_10G_STATUS, 5622 &pd); 5623 if (pd & (1<<15)) 5624 vars->link_status |= 5625 LINK_STATUS_PARALLEL_DETECTION_USED; 5626 } 5627 bnx2x_ext_phy_resolve_fc(phy, params, vars); 5628 } 5629 } 5630 5631 if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) && 5632 SINGLE_MEDIA_DIRECT(params)) { 5633 u16 val; 5634 5635 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, 5636 MDIO_AN_REG_LP_AUTO_NEG2, &val); 5637 5638 if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX) 5639 vars->link_status |= 5640 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE; 5641 if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 | 5642 MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR)) 5643 vars->link_status |= 5644 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE; 5645 5646 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 5647 MDIO_WC_REG_DIGITAL3_LP_UP1, &val); 5648 5649 if (val & MDIO_OVER_1G_UP1_2_5G) 5650 vars->link_status |= 5651 LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE; 5652 if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH)) 5653 vars->link_status |= 5654 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE; 5655 5656 } 5657 5658 5659 if (lane < 2) { 5660 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 5661 MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed); 5662 } else { 5663 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 5664 MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed); 5665 } 5666 DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed); 5667 5668 if ((lane & 1) == 0) 5669 gp_speed <<= 8; 5670 gp_speed &= 0x3f00; 5671 5672 5673 rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed, 5674 duplex); 5675 5676 DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n", 5677 vars->duplex, vars->flow_ctrl, vars->link_status); 5678 return rc; 5679 } 5680 static void bnx2x_set_gmii_tx_driver(struct link_params *params) 5681 { 5682 struct bnx2x *bp = params->bp; 5683 struct bnx2x_phy *phy = ¶ms->phy[INT_PHY]; 5684 u16 lp_up2; 5685 u16 tx_driver; 5686 u16 bank; 5687 5688 /* Read precomp */ 5689 CL22_RD_OVER_CL45(bp, phy, 5690 MDIO_REG_BANK_OVER_1G, 5691 MDIO_OVER_1G_LP_UP2, &lp_up2); 5692 5693 /* Bits [10:7] at lp_up2, positioned at [15:12] */ 5694 lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >> 5695 MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) << 5696 MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT); 5697 5698 if (lp_up2 == 0) 5699 return; 5700 5701 for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3; 5702 bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) { 5703 CL22_RD_OVER_CL45(bp, phy, 5704 bank, 5705 MDIO_TX0_TX_DRIVER, &tx_driver); 5706 5707 /* Replace tx_driver bits [15:12] */ 5708 if (lp_up2 != 5709 (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) { 5710 tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK; 5711 tx_driver |= lp_up2; 5712 CL22_WR_OVER_CL45(bp, phy, 5713 bank, 5714 MDIO_TX0_TX_DRIVER, tx_driver); 5715 } 5716 } 5717 } 5718 5719 static int bnx2x_emac_program(struct link_params *params, 5720 struct link_vars *vars) 5721 { 5722 struct bnx2x *bp = params->bp; 5723 u8 port = params->port; 5724 u16 mode = 0; 5725 5726 DP(NETIF_MSG_LINK, "setting link speed & duplex\n"); 5727 bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 + 5728 EMAC_REG_EMAC_MODE, 5729 (EMAC_MODE_25G_MODE | 5730 EMAC_MODE_PORT_MII_10M | 5731 EMAC_MODE_HALF_DUPLEX)); 5732 switch (vars->line_speed) { 5733 case SPEED_10: 5734 mode |= EMAC_MODE_PORT_MII_10M; 5735 break; 5736 5737 case SPEED_100: 5738 mode |= EMAC_MODE_PORT_MII; 5739 break; 5740 5741 case SPEED_1000: 5742 mode |= EMAC_MODE_PORT_GMII; 5743 break; 5744 5745 case SPEED_2500: 5746 mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII); 5747 break; 5748 5749 default: 5750 /* 10G not valid for EMAC */ 5751 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n", 5752 vars->line_speed); 5753 return -EINVAL; 5754 } 5755 5756 if (vars->duplex == DUPLEX_HALF) 5757 mode |= EMAC_MODE_HALF_DUPLEX; 5758 bnx2x_bits_en(bp, 5759 GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE, 5760 mode); 5761 5762 bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed); 5763 return 0; 5764 } 5765 5766 static void bnx2x_set_preemphasis(struct bnx2x_phy *phy, 5767 struct link_params *params) 5768 { 5769 5770 u16 bank, i = 0; 5771 struct bnx2x *bp = params->bp; 5772 5773 for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3; 5774 bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) { 5775 CL22_WR_OVER_CL45(bp, phy, 5776 bank, 5777 MDIO_RX0_RX_EQ_BOOST, 5778 phy->rx_preemphasis[i]); 5779 } 5780 5781 for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3; 5782 bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) { 5783 CL22_WR_OVER_CL45(bp, phy, 5784 bank, 5785 MDIO_TX0_TX_DRIVER, 5786 phy->tx_preemphasis[i]); 5787 } 5788 } 5789 5790 static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy, 5791 struct link_params *params, 5792 struct link_vars *vars) 5793 { 5794 struct bnx2x *bp = params->bp; 5795 u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) || 5796 (params->loopback_mode == LOOPBACK_XGXS)); 5797 if (!(vars->phy_flags & PHY_SGMII_FLAG)) { 5798 if (SINGLE_MEDIA_DIRECT(params) && 5799 (params->feature_config_flags & 5800 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) 5801 bnx2x_set_preemphasis(phy, params); 5802 5803 /* Forced speed requested? */ 5804 if (vars->line_speed != SPEED_AUTO_NEG || 5805 (SINGLE_MEDIA_DIRECT(params) && 5806 params->loopback_mode == LOOPBACK_EXT)) { 5807 DP(NETIF_MSG_LINK, "not SGMII, no AN\n"); 5808 5809 /* Disable autoneg */ 5810 bnx2x_set_autoneg(phy, params, vars, 0); 5811 5812 /* Program speed and duplex */ 5813 bnx2x_program_serdes(phy, params, vars); 5814 5815 } else { /* AN_mode */ 5816 DP(NETIF_MSG_LINK, "not SGMII, AN\n"); 5817 5818 /* AN enabled */ 5819 bnx2x_set_brcm_cl37_advertisement(phy, params); 5820 5821 /* Program duplex & pause advertisement (for aneg) */ 5822 bnx2x_set_ieee_aneg_advertisement(phy, params, 5823 vars->ieee_fc); 5824 5825 /* Enable autoneg */ 5826 bnx2x_set_autoneg(phy, params, vars, enable_cl73); 5827 5828 /* Enable and restart AN */ 5829 bnx2x_restart_autoneg(phy, params, enable_cl73); 5830 } 5831 5832 } else { /* SGMII mode */ 5833 DP(NETIF_MSG_LINK, "SGMII\n"); 5834 5835 bnx2x_initialize_sgmii_process(phy, params, vars); 5836 } 5837 } 5838 5839 static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy, 5840 struct link_params *params, 5841 struct link_vars *vars) 5842 { 5843 int rc; 5844 vars->phy_flags |= PHY_XGXS_FLAG; 5845 if ((phy->req_line_speed && 5846 ((phy->req_line_speed == SPEED_100) || 5847 (phy->req_line_speed == SPEED_10))) || 5848 (!phy->req_line_speed && 5849 (phy->speed_cap_mask >= 5850 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) && 5851 (phy->speed_cap_mask < 5852 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) || 5853 (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD)) 5854 vars->phy_flags |= PHY_SGMII_FLAG; 5855 else 5856 vars->phy_flags &= ~PHY_SGMII_FLAG; 5857 5858 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc); 5859 bnx2x_set_aer_mmd(params, phy); 5860 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) 5861 bnx2x_set_master_ln(params, phy); 5862 5863 rc = bnx2x_reset_unicore(params, phy, 0); 5864 /* Reset the SerDes and wait for reset bit return low */ 5865 if (rc) 5866 return rc; 5867 5868 bnx2x_set_aer_mmd(params, phy); 5869 /* Setting the masterLn_def again after the reset */ 5870 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) { 5871 bnx2x_set_master_ln(params, phy); 5872 bnx2x_set_swap_lanes(params, phy); 5873 } 5874 5875 return rc; 5876 } 5877 5878 static u16 bnx2x_wait_reset_complete(struct bnx2x *bp, 5879 struct bnx2x_phy *phy, 5880 struct link_params *params) 5881 { 5882 u16 cnt, ctrl; 5883 /* Wait for soft reset to get cleared up to 1 sec */ 5884 for (cnt = 0; cnt < 1000; cnt++) { 5885 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) 5886 bnx2x_cl22_read(bp, phy, 5887 MDIO_PMA_REG_CTRL, &ctrl); 5888 else 5889 bnx2x_cl45_read(bp, phy, 5890 MDIO_PMA_DEVAD, 5891 MDIO_PMA_REG_CTRL, &ctrl); 5892 if (!(ctrl & (1<<15))) 5893 break; 5894 usleep_range(1000, 2000); 5895 } 5896 5897 if (cnt == 1000) 5898 netdev_err(bp->dev, "Warning: PHY was not initialized," 5899 " Port %d\n", 5900 params->port); 5901 DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt); 5902 return cnt; 5903 } 5904 5905 static void bnx2x_link_int_enable(struct link_params *params) 5906 { 5907 u8 port = params->port; 5908 u32 mask; 5909 struct bnx2x *bp = params->bp; 5910 5911 /* Setting the status to report on link up for either XGXS or SerDes */ 5912 if (CHIP_IS_E3(bp)) { 5913 mask = NIG_MASK_XGXS0_LINK_STATUS; 5914 if (!(SINGLE_MEDIA_DIRECT(params))) 5915 mask |= NIG_MASK_MI_INT; 5916 } else if (params->switch_cfg == SWITCH_CFG_10G) { 5917 mask = (NIG_MASK_XGXS0_LINK10G | 5918 NIG_MASK_XGXS0_LINK_STATUS); 5919 DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n"); 5920 if (!(SINGLE_MEDIA_DIRECT(params)) && 5921 params->phy[INT_PHY].type != 5922 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) { 5923 mask |= NIG_MASK_MI_INT; 5924 DP(NETIF_MSG_LINK, "enabled external phy int\n"); 5925 } 5926 5927 } else { /* SerDes */ 5928 mask = NIG_MASK_SERDES0_LINK_STATUS; 5929 DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n"); 5930 if (!(SINGLE_MEDIA_DIRECT(params)) && 5931 params->phy[INT_PHY].type != 5932 PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) { 5933 mask |= NIG_MASK_MI_INT; 5934 DP(NETIF_MSG_LINK, "enabled external phy int\n"); 5935 } 5936 } 5937 bnx2x_bits_en(bp, 5938 NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 5939 mask); 5940 5941 DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port, 5942 (params->switch_cfg == SWITCH_CFG_10G), 5943 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4)); 5944 DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n", 5945 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4), 5946 REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18), 5947 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c)); 5948 DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n", 5949 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68), 5950 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68)); 5951 } 5952 5953 static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port, 5954 u8 exp_mi_int) 5955 { 5956 u32 latch_status = 0; 5957 5958 /* Disable the MI INT ( external phy int ) by writing 1 to the 5959 * status register. Link down indication is high-active-signal, 5960 * so in this case we need to write the status to clear the XOR 5961 */ 5962 /* Read Latched signals */ 5963 latch_status = REG_RD(bp, 5964 NIG_REG_LATCH_STATUS_0 + port*8); 5965 DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status); 5966 /* Handle only those with latched-signal=up.*/ 5967 if (exp_mi_int) 5968 bnx2x_bits_en(bp, 5969 NIG_REG_STATUS_INTERRUPT_PORT0 5970 + port*4, 5971 NIG_STATUS_EMAC0_MI_INT); 5972 else 5973 bnx2x_bits_dis(bp, 5974 NIG_REG_STATUS_INTERRUPT_PORT0 5975 + port*4, 5976 NIG_STATUS_EMAC0_MI_INT); 5977 5978 if (latch_status & 1) { 5979 5980 /* For all latched-signal=up : Re-Arm Latch signals */ 5981 REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8, 5982 (latch_status & 0xfffe) | (latch_status & 1)); 5983 } 5984 /* For all latched-signal=up,Write original_signal to status */ 5985 } 5986 5987 static void bnx2x_link_int_ack(struct link_params *params, 5988 struct link_vars *vars, u8 is_10g_plus) 5989 { 5990 struct bnx2x *bp = params->bp; 5991 u8 port = params->port; 5992 u32 mask; 5993 /* First reset all status we assume only one line will be 5994 * change at a time 5995 */ 5996 bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4, 5997 (NIG_STATUS_XGXS0_LINK10G | 5998 NIG_STATUS_XGXS0_LINK_STATUS | 5999 NIG_STATUS_SERDES0_LINK_STATUS)); 6000 if (vars->phy_link_up) { 6001 if (USES_WARPCORE(bp)) 6002 mask = NIG_STATUS_XGXS0_LINK_STATUS; 6003 else { 6004 if (is_10g_plus) 6005 mask = NIG_STATUS_XGXS0_LINK10G; 6006 else if (params->switch_cfg == SWITCH_CFG_10G) { 6007 /* Disable the link interrupt by writing 1 to 6008 * the relevant lane in the status register 6009 */ 6010 u32 ser_lane = 6011 ((params->lane_config & 6012 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >> 6013 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT); 6014 mask = ((1 << ser_lane) << 6015 NIG_STATUS_XGXS0_LINK_STATUS_SIZE); 6016 } else 6017 mask = NIG_STATUS_SERDES0_LINK_STATUS; 6018 } 6019 DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n", 6020 mask); 6021 bnx2x_bits_en(bp, 6022 NIG_REG_STATUS_INTERRUPT_PORT0 + port*4, 6023 mask); 6024 } 6025 } 6026 6027 static int bnx2x_format_ver(u32 num, u8 *str, u16 *len) 6028 { 6029 u8 *str_ptr = str; 6030 u32 mask = 0xf0000000; 6031 u8 shift = 8*4; 6032 u8 digit; 6033 u8 remove_leading_zeros = 1; 6034 if (*len < 10) { 6035 /* Need more than 10chars for this format */ 6036 *str_ptr = '\0'; 6037 (*len)--; 6038 return -EINVAL; 6039 } 6040 while (shift > 0) { 6041 6042 shift -= 4; 6043 digit = ((num & mask) >> shift); 6044 if (digit == 0 && remove_leading_zeros) { 6045 mask = mask >> 4; 6046 continue; 6047 } else if (digit < 0xa) 6048 *str_ptr = digit + '0'; 6049 else 6050 *str_ptr = digit - 0xa + 'a'; 6051 remove_leading_zeros = 0; 6052 str_ptr++; 6053 (*len)--; 6054 mask = mask >> 4; 6055 if (shift == 4*4) { 6056 *str_ptr = '.'; 6057 str_ptr++; 6058 (*len)--; 6059 remove_leading_zeros = 1; 6060 } 6061 } 6062 return 0; 6063 } 6064 6065 6066 static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len) 6067 { 6068 str[0] = '\0'; 6069 (*len)--; 6070 return 0; 6071 } 6072 6073 int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 *version, 6074 u16 len) 6075 { 6076 struct bnx2x *bp; 6077 u32 spirom_ver = 0; 6078 int status = 0; 6079 u8 *ver_p = version; 6080 u16 remain_len = len; 6081 if (version == NULL || params == NULL) 6082 return -EINVAL; 6083 bp = params->bp; 6084 6085 /* Extract first external phy*/ 6086 version[0] = '\0'; 6087 spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr); 6088 6089 if (params->phy[EXT_PHY1].format_fw_ver) { 6090 status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver, 6091 ver_p, 6092 &remain_len); 6093 ver_p += (len - remain_len); 6094 } 6095 if ((params->num_phys == MAX_PHYS) && 6096 (params->phy[EXT_PHY2].ver_addr != 0)) { 6097 spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr); 6098 if (params->phy[EXT_PHY2].format_fw_ver) { 6099 *ver_p = '/'; 6100 ver_p++; 6101 remain_len--; 6102 status |= params->phy[EXT_PHY2].format_fw_ver( 6103 spirom_ver, 6104 ver_p, 6105 &remain_len); 6106 ver_p = version + (len - remain_len); 6107 } 6108 } 6109 *ver_p = '\0'; 6110 return status; 6111 } 6112 6113 static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy, 6114 struct link_params *params) 6115 { 6116 u8 port = params->port; 6117 struct bnx2x *bp = params->bp; 6118 6119 if (phy->req_line_speed != SPEED_1000) { 6120 u32 md_devad = 0; 6121 6122 DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n"); 6123 6124 if (!CHIP_IS_E3(bp)) { 6125 /* Change the uni_phy_addr in the nig */ 6126 md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD + 6127 port*0x18)); 6128 6129 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18, 6130 0x5); 6131 } 6132 6133 bnx2x_cl45_write(bp, phy, 6134 5, 6135 (MDIO_REG_BANK_AER_BLOCK + 6136 (MDIO_AER_BLOCK_AER_REG & 0xf)), 6137 0x2800); 6138 6139 bnx2x_cl45_write(bp, phy, 6140 5, 6141 (MDIO_REG_BANK_CL73_IEEEB0 + 6142 (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)), 6143 0x6041); 6144 msleep(200); 6145 /* Set aer mmd back */ 6146 bnx2x_set_aer_mmd(params, phy); 6147 6148 if (!CHIP_IS_E3(bp)) { 6149 /* And md_devad */ 6150 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18, 6151 md_devad); 6152 } 6153 } else { 6154 u16 mii_ctrl; 6155 DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n"); 6156 bnx2x_cl45_read(bp, phy, 5, 6157 (MDIO_REG_BANK_COMBO_IEEE0 + 6158 (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)), 6159 &mii_ctrl); 6160 bnx2x_cl45_write(bp, phy, 5, 6161 (MDIO_REG_BANK_COMBO_IEEE0 + 6162 (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)), 6163 mii_ctrl | 6164 MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK); 6165 } 6166 } 6167 6168 int bnx2x_set_led(struct link_params *params, 6169 struct link_vars *vars, u8 mode, u32 speed) 6170 { 6171 u8 port = params->port; 6172 u16 hw_led_mode = params->hw_led_mode; 6173 int rc = 0; 6174 u8 phy_idx; 6175 u32 tmp; 6176 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0; 6177 struct bnx2x *bp = params->bp; 6178 DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode); 6179 DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n", 6180 speed, hw_led_mode); 6181 /* In case */ 6182 for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) { 6183 if (params->phy[phy_idx].set_link_led) { 6184 params->phy[phy_idx].set_link_led( 6185 ¶ms->phy[phy_idx], params, mode); 6186 } 6187 } 6188 6189 switch (mode) { 6190 case LED_MODE_FRONT_PANEL_OFF: 6191 case LED_MODE_OFF: 6192 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0); 6193 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 6194 SHARED_HW_CFG_LED_MAC1); 6195 6196 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED); 6197 if (params->phy[EXT_PHY1].type == 6198 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) 6199 tmp &= ~(EMAC_LED_1000MB_OVERRIDE | 6200 EMAC_LED_100MB_OVERRIDE | 6201 EMAC_LED_10MB_OVERRIDE); 6202 else 6203 tmp |= EMAC_LED_OVERRIDE; 6204 6205 EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp); 6206 break; 6207 6208 case LED_MODE_OPER: 6209 /* For all other phys, OPER mode is same as ON, so in case 6210 * link is down, do nothing 6211 */ 6212 if (!vars->link_up) 6213 break; 6214 case LED_MODE_ON: 6215 if (((params->phy[EXT_PHY1].type == 6216 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) || 6217 (params->phy[EXT_PHY1].type == 6218 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) && 6219 CHIP_IS_E2(bp) && params->num_phys == 2) { 6220 /* This is a work-around for E2+8727 Configurations */ 6221 if (mode == LED_MODE_ON || 6222 speed == SPEED_10000){ 6223 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0); 6224 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1); 6225 6226 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED); 6227 EMAC_WR(bp, EMAC_REG_EMAC_LED, 6228 (tmp | EMAC_LED_OVERRIDE)); 6229 /* Return here without enabling traffic 6230 * LED blink and setting rate in ON mode. 6231 * In oper mode, enabling LED blink 6232 * and setting rate is needed. 6233 */ 6234 if (mode == LED_MODE_ON) 6235 return rc; 6236 } 6237 } else if (SINGLE_MEDIA_DIRECT(params)) { 6238 /* This is a work-around for HW issue found when link 6239 * is up in CL73 6240 */ 6241 if ((!CHIP_IS_E3(bp)) || 6242 (CHIP_IS_E3(bp) && 6243 mode == LED_MODE_ON)) 6244 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1); 6245 6246 if (CHIP_IS_E1x(bp) || 6247 CHIP_IS_E2(bp) || 6248 (mode == LED_MODE_ON)) 6249 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0); 6250 else 6251 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 6252 hw_led_mode); 6253 } else if ((params->phy[EXT_PHY1].type == 6254 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) && 6255 (mode == LED_MODE_ON)) { 6256 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0); 6257 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED); 6258 EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp | 6259 EMAC_LED_OVERRIDE | EMAC_LED_1000MB_OVERRIDE); 6260 /* Break here; otherwise, it'll disable the 6261 * intended override. 6262 */ 6263 break; 6264 } else 6265 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 6266 hw_led_mode); 6267 6268 REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0); 6269 /* Set blinking rate to ~15.9Hz */ 6270 if (CHIP_IS_E3(bp)) 6271 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4, 6272 LED_BLINK_RATE_VAL_E3); 6273 else 6274 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4, 6275 LED_BLINK_RATE_VAL_E1X_E2); 6276 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 + 6277 port*4, 1); 6278 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED); 6279 EMAC_WR(bp, EMAC_REG_EMAC_LED, 6280 (tmp & (~EMAC_LED_OVERRIDE))); 6281 6282 if (CHIP_IS_E1(bp) && 6283 ((speed == SPEED_2500) || 6284 (speed == SPEED_1000) || 6285 (speed == SPEED_100) || 6286 (speed == SPEED_10))) { 6287 /* For speeds less than 10G LED scheme is different */ 6288 REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 6289 + port*4, 1); 6290 REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 + 6291 port*4, 0); 6292 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 + 6293 port*4, 1); 6294 } 6295 break; 6296 6297 default: 6298 rc = -EINVAL; 6299 DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n", 6300 mode); 6301 break; 6302 } 6303 return rc; 6304 6305 } 6306 6307 /* This function comes to reflect the actual link state read DIRECTLY from the 6308 * HW 6309 */ 6310 int bnx2x_test_link(struct link_params *params, struct link_vars *vars, 6311 u8 is_serdes) 6312 { 6313 struct bnx2x *bp = params->bp; 6314 u16 gp_status = 0, phy_index = 0; 6315 u8 ext_phy_link_up = 0, serdes_phy_type; 6316 struct link_vars temp_vars; 6317 struct bnx2x_phy *int_phy = ¶ms->phy[INT_PHY]; 6318 6319 if (CHIP_IS_E3(bp)) { 6320 u16 link_up; 6321 if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)] 6322 > SPEED_10000) { 6323 /* Check 20G link */ 6324 bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD, 6325 1, &link_up); 6326 bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD, 6327 1, &link_up); 6328 link_up &= (1<<2); 6329 } else { 6330 /* Check 10G link and below*/ 6331 u8 lane = bnx2x_get_warpcore_lane(int_phy, params); 6332 bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD, 6333 MDIO_WC_REG_GP2_STATUS_GP_2_1, 6334 &gp_status); 6335 gp_status = ((gp_status >> 8) & 0xf) | 6336 ((gp_status >> 12) & 0xf); 6337 link_up = gp_status & (1 << lane); 6338 } 6339 if (!link_up) 6340 return -ESRCH; 6341 } else { 6342 CL22_RD_OVER_CL45(bp, int_phy, 6343 MDIO_REG_BANK_GP_STATUS, 6344 MDIO_GP_STATUS_TOP_AN_STATUS1, 6345 &gp_status); 6346 /* Link is up only if both local phy and external phy are up */ 6347 if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)) 6348 return -ESRCH; 6349 } 6350 /* In XGXS loopback mode, do not check external PHY */ 6351 if (params->loopback_mode == LOOPBACK_XGXS) 6352 return 0; 6353 6354 switch (params->num_phys) { 6355 case 1: 6356 /* No external PHY */ 6357 return 0; 6358 case 2: 6359 ext_phy_link_up = params->phy[EXT_PHY1].read_status( 6360 ¶ms->phy[EXT_PHY1], 6361 params, &temp_vars); 6362 break; 6363 case 3: /* Dual Media */ 6364 for (phy_index = EXT_PHY1; phy_index < params->num_phys; 6365 phy_index++) { 6366 serdes_phy_type = ((params->phy[phy_index].media_type == 6367 ETH_PHY_SFPP_10G_FIBER) || 6368 (params->phy[phy_index].media_type == 6369 ETH_PHY_SFP_1G_FIBER) || 6370 (params->phy[phy_index].media_type == 6371 ETH_PHY_XFP_FIBER) || 6372 (params->phy[phy_index].media_type == 6373 ETH_PHY_DA_TWINAX)); 6374 6375 if (is_serdes != serdes_phy_type) 6376 continue; 6377 if (params->phy[phy_index].read_status) { 6378 ext_phy_link_up |= 6379 params->phy[phy_index].read_status( 6380 ¶ms->phy[phy_index], 6381 params, &temp_vars); 6382 } 6383 } 6384 break; 6385 } 6386 if (ext_phy_link_up) 6387 return 0; 6388 return -ESRCH; 6389 } 6390 6391 static int bnx2x_link_initialize(struct link_params *params, 6392 struct link_vars *vars) 6393 { 6394 int rc = 0; 6395 u8 phy_index, non_ext_phy; 6396 struct bnx2x *bp = params->bp; 6397 /* In case of external phy existence, the line speed would be the 6398 * line speed linked up by the external phy. In case it is direct 6399 * only, then the line_speed during initialization will be 6400 * equal to the req_line_speed 6401 */ 6402 vars->line_speed = params->phy[INT_PHY].req_line_speed; 6403 6404 /* Initialize the internal phy in case this is a direct board 6405 * (no external phys), or this board has external phy which requires 6406 * to first. 6407 */ 6408 if (!USES_WARPCORE(bp)) 6409 bnx2x_prepare_xgxs(¶ms->phy[INT_PHY], params, vars); 6410 /* init ext phy and enable link state int */ 6411 non_ext_phy = (SINGLE_MEDIA_DIRECT(params) || 6412 (params->loopback_mode == LOOPBACK_XGXS)); 6413 6414 if (non_ext_phy || 6415 (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) || 6416 (params->loopback_mode == LOOPBACK_EXT_PHY)) { 6417 struct bnx2x_phy *phy = ¶ms->phy[INT_PHY]; 6418 if (vars->line_speed == SPEED_AUTO_NEG && 6419 (CHIP_IS_E1x(bp) || 6420 CHIP_IS_E2(bp))) 6421 bnx2x_set_parallel_detection(phy, params); 6422 if (params->phy[INT_PHY].config_init) 6423 params->phy[INT_PHY].config_init(phy, 6424 params, 6425 vars); 6426 } 6427 6428 /* Init external phy*/ 6429 if (non_ext_phy) { 6430 if (params->phy[INT_PHY].supported & 6431 SUPPORTED_FIBRE) 6432 vars->link_status |= LINK_STATUS_SERDES_LINK; 6433 } else { 6434 for (phy_index = EXT_PHY1; phy_index < params->num_phys; 6435 phy_index++) { 6436 /* No need to initialize second phy in case of first 6437 * phy only selection. In case of second phy, we do 6438 * need to initialize the first phy, since they are 6439 * connected. 6440 */ 6441 if (params->phy[phy_index].supported & 6442 SUPPORTED_FIBRE) 6443 vars->link_status |= LINK_STATUS_SERDES_LINK; 6444 6445 if (phy_index == EXT_PHY2 && 6446 (bnx2x_phy_selection(params) == 6447 PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) { 6448 DP(NETIF_MSG_LINK, 6449 "Not initializing second phy\n"); 6450 continue; 6451 } 6452 params->phy[phy_index].config_init( 6453 ¶ms->phy[phy_index], 6454 params, vars); 6455 } 6456 } 6457 /* Reset the interrupt indication after phy was initialized */ 6458 bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + 6459 params->port*4, 6460 (NIG_STATUS_XGXS0_LINK10G | 6461 NIG_STATUS_XGXS0_LINK_STATUS | 6462 NIG_STATUS_SERDES0_LINK_STATUS | 6463 NIG_MASK_MI_INT)); 6464 return rc; 6465 } 6466 6467 static void bnx2x_int_link_reset(struct bnx2x_phy *phy, 6468 struct link_params *params) 6469 { 6470 /* Reset the SerDes/XGXS */ 6471 REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, 6472 (0x1ff << (params->port*16))); 6473 } 6474 6475 static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy, 6476 struct link_params *params) 6477 { 6478 struct bnx2x *bp = params->bp; 6479 u8 gpio_port; 6480 /* HW reset */ 6481 if (CHIP_IS_E2(bp)) 6482 gpio_port = BP_PATH(bp); 6483 else 6484 gpio_port = params->port; 6485 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1, 6486 MISC_REGISTERS_GPIO_OUTPUT_LOW, 6487 gpio_port); 6488 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, 6489 MISC_REGISTERS_GPIO_OUTPUT_LOW, 6490 gpio_port); 6491 DP(NETIF_MSG_LINK, "reset external PHY\n"); 6492 } 6493 6494 static int bnx2x_update_link_down(struct link_params *params, 6495 struct link_vars *vars) 6496 { 6497 struct bnx2x *bp = params->bp; 6498 u8 port = params->port; 6499 6500 DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port); 6501 bnx2x_set_led(params, vars, LED_MODE_OFF, 0); 6502 vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG; 6503 /* Indicate no mac active */ 6504 vars->mac_type = MAC_TYPE_NONE; 6505 6506 /* Update shared memory */ 6507 vars->link_status &= ~(LINK_STATUS_SPEED_AND_DUPLEX_MASK | 6508 LINK_STATUS_LINK_UP | 6509 LINK_STATUS_PHYSICAL_LINK_FLAG | 6510 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE | 6511 LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK | 6512 LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK | 6513 LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK | 6514 LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE | 6515 LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE); 6516 vars->line_speed = 0; 6517 bnx2x_update_mng(params, vars->link_status); 6518 6519 /* Activate nig drain */ 6520 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1); 6521 6522 /* Disable emac */ 6523 if (!CHIP_IS_E3(bp)) 6524 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0); 6525 6526 usleep_range(10000, 20000); 6527 /* Reset BigMac/Xmac */ 6528 if (CHIP_IS_E1x(bp) || 6529 CHIP_IS_E2(bp)) { 6530 bnx2x_bmac_rx_disable(bp, params->port); 6531 REG_WR(bp, GRCBASE_MISC + 6532 MISC_REGISTERS_RESET_REG_2_CLEAR, 6533 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port)); 6534 } 6535 if (CHIP_IS_E3(bp)) { 6536 /* Prevent LPI Generation by chip */ 6537 REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2), 6538 0); 6539 REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 0); 6540 REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 + (params->port << 2), 6541 0); 6542 vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK | 6543 SHMEM_EEE_ACTIVE_BIT); 6544 6545 bnx2x_update_mng_eee(params, vars->eee_status); 6546 bnx2x_xmac_disable(params); 6547 bnx2x_umac_disable(params); 6548 } 6549 6550 return 0; 6551 } 6552 6553 static int bnx2x_update_link_up(struct link_params *params, 6554 struct link_vars *vars, 6555 u8 link_10g) 6556 { 6557 struct bnx2x *bp = params->bp; 6558 u8 phy_idx, port = params->port; 6559 int rc = 0; 6560 6561 vars->link_status |= (LINK_STATUS_LINK_UP | 6562 LINK_STATUS_PHYSICAL_LINK_FLAG); 6563 vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG; 6564 6565 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) 6566 vars->link_status |= 6567 LINK_STATUS_TX_FLOW_CONTROL_ENABLED; 6568 6569 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX) 6570 vars->link_status |= 6571 LINK_STATUS_RX_FLOW_CONTROL_ENABLED; 6572 if (USES_WARPCORE(bp)) { 6573 if (link_10g) { 6574 if (bnx2x_xmac_enable(params, vars, 0) == 6575 -ESRCH) { 6576 DP(NETIF_MSG_LINK, "Found errors on XMAC\n"); 6577 vars->link_up = 0; 6578 vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG; 6579 vars->link_status &= ~LINK_STATUS_LINK_UP; 6580 } 6581 } else 6582 bnx2x_umac_enable(params, vars, 0); 6583 bnx2x_set_led(params, vars, 6584 LED_MODE_OPER, vars->line_speed); 6585 6586 if ((vars->eee_status & SHMEM_EEE_ACTIVE_BIT) && 6587 (vars->eee_status & SHMEM_EEE_LPI_REQUESTED_BIT)) { 6588 DP(NETIF_MSG_LINK, "Enabling LPI assertion\n"); 6589 REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + 6590 (params->port << 2), 1); 6591 REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 1); 6592 REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 + 6593 (params->port << 2), 0xfc20); 6594 } 6595 } 6596 if ((CHIP_IS_E1x(bp) || 6597 CHIP_IS_E2(bp))) { 6598 if (link_10g) { 6599 if (bnx2x_bmac_enable(params, vars, 0) == 6600 -ESRCH) { 6601 DP(NETIF_MSG_LINK, "Found errors on BMAC\n"); 6602 vars->link_up = 0; 6603 vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG; 6604 vars->link_status &= ~LINK_STATUS_LINK_UP; 6605 } 6606 6607 bnx2x_set_led(params, vars, 6608 LED_MODE_OPER, SPEED_10000); 6609 } else { 6610 rc = bnx2x_emac_program(params, vars); 6611 bnx2x_emac_enable(params, vars, 0); 6612 6613 /* AN complete? */ 6614 if ((vars->link_status & 6615 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) 6616 && (!(vars->phy_flags & PHY_SGMII_FLAG)) && 6617 SINGLE_MEDIA_DIRECT(params)) 6618 bnx2x_set_gmii_tx_driver(params); 6619 } 6620 } 6621 6622 /* PBF - link up */ 6623 if (CHIP_IS_E1x(bp)) 6624 rc |= bnx2x_pbf_update(params, vars->flow_ctrl, 6625 vars->line_speed); 6626 6627 /* Disable drain */ 6628 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0); 6629 6630 /* Update shared memory */ 6631 bnx2x_update_mng(params, vars->link_status); 6632 bnx2x_update_mng_eee(params, vars->eee_status); 6633 /* Check remote fault */ 6634 for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) { 6635 if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) { 6636 bnx2x_check_half_open_conn(params, vars, 0); 6637 break; 6638 } 6639 } 6640 msleep(20); 6641 return rc; 6642 } 6643 /* The bnx2x_link_update function should be called upon link 6644 * interrupt. 6645 * Link is considered up as follows: 6646 * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs 6647 * to be up 6648 * - SINGLE_MEDIA - The link between the 577xx and the external 6649 * phy (XGXS) need to up as well as the external link of the 6650 * phy (PHY_EXT1) 6651 * - DUAL_MEDIA - The link between the 577xx and the first 6652 * external phy needs to be up, and at least one of the 2 6653 * external phy link must be up. 6654 */ 6655 int bnx2x_link_update(struct link_params *params, struct link_vars *vars) 6656 { 6657 struct bnx2x *bp = params->bp; 6658 struct link_vars phy_vars[MAX_PHYS]; 6659 u8 port = params->port; 6660 u8 link_10g_plus, phy_index; 6661 u8 ext_phy_link_up = 0, cur_link_up; 6662 int rc = 0; 6663 u8 is_mi_int = 0; 6664 u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed; 6665 u8 active_external_phy = INT_PHY; 6666 vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG; 6667 for (phy_index = INT_PHY; phy_index < params->num_phys; 6668 phy_index++) { 6669 phy_vars[phy_index].flow_ctrl = 0; 6670 phy_vars[phy_index].link_status = 0; 6671 phy_vars[phy_index].line_speed = 0; 6672 phy_vars[phy_index].duplex = DUPLEX_FULL; 6673 phy_vars[phy_index].phy_link_up = 0; 6674 phy_vars[phy_index].link_up = 0; 6675 phy_vars[phy_index].fault_detected = 0; 6676 /* different consideration, since vars holds inner state */ 6677 phy_vars[phy_index].eee_status = vars->eee_status; 6678 } 6679 6680 if (USES_WARPCORE(bp)) 6681 bnx2x_set_aer_mmd(params, ¶ms->phy[INT_PHY]); 6682 6683 DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n", 6684 port, (vars->phy_flags & PHY_XGXS_FLAG), 6685 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4)); 6686 6687 is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + 6688 port*0x18) > 0); 6689 DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n", 6690 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4), 6691 is_mi_int, 6692 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c)); 6693 6694 DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n", 6695 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68), 6696 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68)); 6697 6698 /* Disable emac */ 6699 if (!CHIP_IS_E3(bp)) 6700 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0); 6701 6702 /* Step 1: 6703 * Check external link change only for external phys, and apply 6704 * priority selection between them in case the link on both phys 6705 * is up. Note that instead of the common vars, a temporary 6706 * vars argument is used since each phy may have different link/ 6707 * speed/duplex result 6708 */ 6709 for (phy_index = EXT_PHY1; phy_index < params->num_phys; 6710 phy_index++) { 6711 struct bnx2x_phy *phy = ¶ms->phy[phy_index]; 6712 if (!phy->read_status) 6713 continue; 6714 /* Read link status and params of this ext phy */ 6715 cur_link_up = phy->read_status(phy, params, 6716 &phy_vars[phy_index]); 6717 if (cur_link_up) { 6718 DP(NETIF_MSG_LINK, "phy in index %d link is up\n", 6719 phy_index); 6720 } else { 6721 DP(NETIF_MSG_LINK, "phy in index %d link is down\n", 6722 phy_index); 6723 continue; 6724 } 6725 6726 if (!ext_phy_link_up) { 6727 ext_phy_link_up = 1; 6728 active_external_phy = phy_index; 6729 } else { 6730 switch (bnx2x_phy_selection(params)) { 6731 case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT: 6732 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY: 6733 /* In this option, the first PHY makes sure to pass the 6734 * traffic through itself only. 6735 * Its not clear how to reset the link on the second phy 6736 */ 6737 active_external_phy = EXT_PHY1; 6738 break; 6739 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY: 6740 /* In this option, the first PHY makes sure to pass the 6741 * traffic through the second PHY. 6742 */ 6743 active_external_phy = EXT_PHY2; 6744 break; 6745 default: 6746 /* Link indication on both PHYs with the following cases 6747 * is invalid: 6748 * - FIRST_PHY means that second phy wasn't initialized, 6749 * hence its link is expected to be down 6750 * - SECOND_PHY means that first phy should not be able 6751 * to link up by itself (using configuration) 6752 * - DEFAULT should be overriden during initialiazation 6753 */ 6754 DP(NETIF_MSG_LINK, "Invalid link indication" 6755 "mpc=0x%x. DISABLING LINK !!!\n", 6756 params->multi_phy_config); 6757 ext_phy_link_up = 0; 6758 break; 6759 } 6760 } 6761 } 6762 prev_line_speed = vars->line_speed; 6763 /* Step 2: 6764 * Read the status of the internal phy. In case of 6765 * DIRECT_SINGLE_MEDIA board, this link is the external link, 6766 * otherwise this is the link between the 577xx and the first 6767 * external phy 6768 */ 6769 if (params->phy[INT_PHY].read_status) 6770 params->phy[INT_PHY].read_status( 6771 ¶ms->phy[INT_PHY], 6772 params, vars); 6773 /* The INT_PHY flow control reside in the vars. This include the 6774 * case where the speed or flow control are not set to AUTO. 6775 * Otherwise, the active external phy flow control result is set 6776 * to the vars. The ext_phy_line_speed is needed to check if the 6777 * speed is different between the internal phy and external phy. 6778 * This case may be result of intermediate link speed change. 6779 */ 6780 if (active_external_phy > INT_PHY) { 6781 vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl; 6782 /* Link speed is taken from the XGXS. AN and FC result from 6783 * the external phy. 6784 */ 6785 vars->link_status |= phy_vars[active_external_phy].link_status; 6786 6787 /* if active_external_phy is first PHY and link is up - disable 6788 * disable TX on second external PHY 6789 */ 6790 if (active_external_phy == EXT_PHY1) { 6791 if (params->phy[EXT_PHY2].phy_specific_func) { 6792 DP(NETIF_MSG_LINK, 6793 "Disabling TX on EXT_PHY2\n"); 6794 params->phy[EXT_PHY2].phy_specific_func( 6795 ¶ms->phy[EXT_PHY2], 6796 params, DISABLE_TX); 6797 } 6798 } 6799 6800 ext_phy_line_speed = phy_vars[active_external_phy].line_speed; 6801 vars->duplex = phy_vars[active_external_phy].duplex; 6802 if (params->phy[active_external_phy].supported & 6803 SUPPORTED_FIBRE) 6804 vars->link_status |= LINK_STATUS_SERDES_LINK; 6805 else 6806 vars->link_status &= ~LINK_STATUS_SERDES_LINK; 6807 6808 vars->eee_status = phy_vars[active_external_phy].eee_status; 6809 6810 DP(NETIF_MSG_LINK, "Active external phy selected: %x\n", 6811 active_external_phy); 6812 } 6813 6814 for (phy_index = EXT_PHY1; phy_index < params->num_phys; 6815 phy_index++) { 6816 if (params->phy[phy_index].flags & 6817 FLAGS_REARM_LATCH_SIGNAL) { 6818 bnx2x_rearm_latch_signal(bp, port, 6819 phy_index == 6820 active_external_phy); 6821 break; 6822 } 6823 } 6824 DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x," 6825 " ext_phy_line_speed = %d\n", vars->flow_ctrl, 6826 vars->link_status, ext_phy_line_speed); 6827 /* Upon link speed change set the NIG into drain mode. Comes to 6828 * deals with possible FIFO glitch due to clk change when speed 6829 * is decreased without link down indicator 6830 */ 6831 6832 if (vars->phy_link_up) { 6833 if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up && 6834 (ext_phy_line_speed != vars->line_speed)) { 6835 DP(NETIF_MSG_LINK, "Internal link speed %d is" 6836 " different than the external" 6837 " link speed %d\n", vars->line_speed, 6838 ext_phy_line_speed); 6839 vars->phy_link_up = 0; 6840 } else if (prev_line_speed != vars->line_speed) { 6841 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 6842 0); 6843 usleep_range(1000, 2000); 6844 } 6845 } 6846 6847 /* Anything 10 and over uses the bmac */ 6848 link_10g_plus = (vars->line_speed >= SPEED_10000); 6849 6850 bnx2x_link_int_ack(params, vars, link_10g_plus); 6851 6852 /* In case external phy link is up, and internal link is down 6853 * (not initialized yet probably after link initialization, it 6854 * needs to be initialized. 6855 * Note that after link down-up as result of cable plug, the xgxs 6856 * link would probably become up again without the need 6857 * initialize it 6858 */ 6859 if (!(SINGLE_MEDIA_DIRECT(params))) { 6860 DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d," 6861 " init_preceding = %d\n", ext_phy_link_up, 6862 vars->phy_link_up, 6863 params->phy[EXT_PHY1].flags & 6864 FLAGS_INIT_XGXS_FIRST); 6865 if (!(params->phy[EXT_PHY1].flags & 6866 FLAGS_INIT_XGXS_FIRST) 6867 && ext_phy_link_up && !vars->phy_link_up) { 6868 vars->line_speed = ext_phy_line_speed; 6869 if (vars->line_speed < SPEED_1000) 6870 vars->phy_flags |= PHY_SGMII_FLAG; 6871 else 6872 vars->phy_flags &= ~PHY_SGMII_FLAG; 6873 6874 if (params->phy[INT_PHY].config_init) 6875 params->phy[INT_PHY].config_init( 6876 ¶ms->phy[INT_PHY], params, 6877 vars); 6878 } 6879 } 6880 /* Link is up only if both local phy and external phy (in case of 6881 * non-direct board) are up and no fault detected on active PHY. 6882 */ 6883 vars->link_up = (vars->phy_link_up && 6884 (ext_phy_link_up || 6885 SINGLE_MEDIA_DIRECT(params)) && 6886 (phy_vars[active_external_phy].fault_detected == 0)); 6887 6888 /* Update the PFC configuration in case it was changed */ 6889 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) 6890 vars->link_status |= LINK_STATUS_PFC_ENABLED; 6891 else 6892 vars->link_status &= ~LINK_STATUS_PFC_ENABLED; 6893 6894 if (vars->link_up) 6895 rc = bnx2x_update_link_up(params, vars, link_10g_plus); 6896 else 6897 rc = bnx2x_update_link_down(params, vars); 6898 6899 /* Update MCP link status was changed */ 6900 if (params->feature_config_flags & FEATURE_CONFIG_BC_SUPPORTS_AFEX) 6901 bnx2x_fw_command(bp, DRV_MSG_CODE_LINK_STATUS_CHANGED, 0); 6902 6903 return rc; 6904 } 6905 6906 /*****************************************************************************/ 6907 /* External Phy section */ 6908 /*****************************************************************************/ 6909 void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port) 6910 { 6911 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1, 6912 MISC_REGISTERS_GPIO_OUTPUT_LOW, port); 6913 usleep_range(1000, 2000); 6914 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1, 6915 MISC_REGISTERS_GPIO_OUTPUT_HIGH, port); 6916 } 6917 6918 static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port, 6919 u32 spirom_ver, u32 ver_addr) 6920 { 6921 DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n", 6922 (u16)(spirom_ver>>16), (u16)spirom_ver, port); 6923 6924 if (ver_addr) 6925 REG_WR(bp, ver_addr, spirom_ver); 6926 } 6927 6928 static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp, 6929 struct bnx2x_phy *phy, 6930 u8 port) 6931 { 6932 u16 fw_ver1, fw_ver2; 6933 6934 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 6935 MDIO_PMA_REG_ROM_VER1, &fw_ver1); 6936 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 6937 MDIO_PMA_REG_ROM_VER2, &fw_ver2); 6938 bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2), 6939 phy->ver_addr); 6940 } 6941 6942 static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp, 6943 struct bnx2x_phy *phy, 6944 struct link_vars *vars) 6945 { 6946 u16 val; 6947 bnx2x_cl45_read(bp, phy, 6948 MDIO_AN_DEVAD, 6949 MDIO_AN_REG_STATUS, &val); 6950 bnx2x_cl45_read(bp, phy, 6951 MDIO_AN_DEVAD, 6952 MDIO_AN_REG_STATUS, &val); 6953 if (val & (1<<5)) 6954 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE; 6955 if ((val & (1<<0)) == 0) 6956 vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED; 6957 } 6958 6959 /******************************************************************/ 6960 /* common BCM8073/BCM8727 PHY SECTION */ 6961 /******************************************************************/ 6962 static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy, 6963 struct link_params *params, 6964 struct link_vars *vars) 6965 { 6966 struct bnx2x *bp = params->bp; 6967 if (phy->req_line_speed == SPEED_10 || 6968 phy->req_line_speed == SPEED_100) { 6969 vars->flow_ctrl = phy->req_flow_ctrl; 6970 return; 6971 } 6972 6973 if (bnx2x_ext_phy_resolve_fc(phy, params, vars) && 6974 (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) { 6975 u16 pause_result; 6976 u16 ld_pause; /* local */ 6977 u16 lp_pause; /* link partner */ 6978 bnx2x_cl45_read(bp, phy, 6979 MDIO_AN_DEVAD, 6980 MDIO_AN_REG_CL37_FC_LD, &ld_pause); 6981 6982 bnx2x_cl45_read(bp, phy, 6983 MDIO_AN_DEVAD, 6984 MDIO_AN_REG_CL37_FC_LP, &lp_pause); 6985 pause_result = (ld_pause & 6986 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5; 6987 pause_result |= (lp_pause & 6988 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7; 6989 6990 bnx2x_pause_resolve(vars, pause_result); 6991 DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n", 6992 pause_result); 6993 } 6994 } 6995 static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp, 6996 struct bnx2x_phy *phy, 6997 u8 port) 6998 { 6999 u32 count = 0; 7000 u16 fw_ver1, fw_msgout; 7001 int rc = 0; 7002 7003 /* Boot port from external ROM */ 7004 /* EDC grst */ 7005 bnx2x_cl45_write(bp, phy, 7006 MDIO_PMA_DEVAD, 7007 MDIO_PMA_REG_GEN_CTRL, 7008 0x0001); 7009 7010 /* Ucode reboot and rst */ 7011 bnx2x_cl45_write(bp, phy, 7012 MDIO_PMA_DEVAD, 7013 MDIO_PMA_REG_GEN_CTRL, 7014 0x008c); 7015 7016 bnx2x_cl45_write(bp, phy, 7017 MDIO_PMA_DEVAD, 7018 MDIO_PMA_REG_MISC_CTRL1, 0x0001); 7019 7020 /* Reset internal microprocessor */ 7021 bnx2x_cl45_write(bp, phy, 7022 MDIO_PMA_DEVAD, 7023 MDIO_PMA_REG_GEN_CTRL, 7024 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET); 7025 7026 /* Release srst bit */ 7027 bnx2x_cl45_write(bp, phy, 7028 MDIO_PMA_DEVAD, 7029 MDIO_PMA_REG_GEN_CTRL, 7030 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP); 7031 7032 /* Delay 100ms per the PHY specifications */ 7033 msleep(100); 7034 7035 /* 8073 sometimes taking longer to download */ 7036 do { 7037 count++; 7038 if (count > 300) { 7039 DP(NETIF_MSG_LINK, 7040 "bnx2x_8073_8727_external_rom_boot port %x:" 7041 "Download failed. fw version = 0x%x\n", 7042 port, fw_ver1); 7043 rc = -EINVAL; 7044 break; 7045 } 7046 7047 bnx2x_cl45_read(bp, phy, 7048 MDIO_PMA_DEVAD, 7049 MDIO_PMA_REG_ROM_VER1, &fw_ver1); 7050 bnx2x_cl45_read(bp, phy, 7051 MDIO_PMA_DEVAD, 7052 MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout); 7053 7054 usleep_range(1000, 2000); 7055 } while (fw_ver1 == 0 || fw_ver1 == 0x4321 || 7056 ((fw_msgout & 0xff) != 0x03 && (phy->type == 7057 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073))); 7058 7059 /* Clear ser_boot_ctl bit */ 7060 bnx2x_cl45_write(bp, phy, 7061 MDIO_PMA_DEVAD, 7062 MDIO_PMA_REG_MISC_CTRL1, 0x0000); 7063 bnx2x_save_bcm_spirom_ver(bp, phy, port); 7064 7065 DP(NETIF_MSG_LINK, 7066 "bnx2x_8073_8727_external_rom_boot port %x:" 7067 "Download complete. fw version = 0x%x\n", 7068 port, fw_ver1); 7069 7070 return rc; 7071 } 7072 7073 /******************************************************************/ 7074 /* BCM8073 PHY SECTION */ 7075 /******************************************************************/ 7076 static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy) 7077 { 7078 /* This is only required for 8073A1, version 102 only */ 7079 u16 val; 7080 7081 /* Read 8073 HW revision*/ 7082 bnx2x_cl45_read(bp, phy, 7083 MDIO_PMA_DEVAD, 7084 MDIO_PMA_REG_8073_CHIP_REV, &val); 7085 7086 if (val != 1) { 7087 /* No need to workaround in 8073 A1 */ 7088 return 0; 7089 } 7090 7091 bnx2x_cl45_read(bp, phy, 7092 MDIO_PMA_DEVAD, 7093 MDIO_PMA_REG_ROM_VER2, &val); 7094 7095 /* SNR should be applied only for version 0x102 */ 7096 if (val != 0x102) 7097 return 0; 7098 7099 return 1; 7100 } 7101 7102 static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy) 7103 { 7104 u16 val, cnt, cnt1 ; 7105 7106 bnx2x_cl45_read(bp, phy, 7107 MDIO_PMA_DEVAD, 7108 MDIO_PMA_REG_8073_CHIP_REV, &val); 7109 7110 if (val > 0) { 7111 /* No need to workaround in 8073 A1 */ 7112 return 0; 7113 } 7114 /* XAUI workaround in 8073 A0: */ 7115 7116 /* After loading the boot ROM and restarting Autoneg, poll 7117 * Dev1, Reg $C820: 7118 */ 7119 7120 for (cnt = 0; cnt < 1000; cnt++) { 7121 bnx2x_cl45_read(bp, phy, 7122 MDIO_PMA_DEVAD, 7123 MDIO_PMA_REG_8073_SPEED_LINK_STATUS, 7124 &val); 7125 /* If bit [14] = 0 or bit [13] = 0, continue on with 7126 * system initialization (XAUI work-around not required, as 7127 * these bits indicate 2.5G or 1G link up). 7128 */ 7129 if (!(val & (1<<14)) || !(val & (1<<13))) { 7130 DP(NETIF_MSG_LINK, "XAUI work-around not required\n"); 7131 return 0; 7132 } else if (!(val & (1<<15))) { 7133 DP(NETIF_MSG_LINK, "bit 15 went off\n"); 7134 /* If bit 15 is 0, then poll Dev1, Reg $C841 until it's 7135 * MSB (bit15) goes to 1 (indicating that the XAUI 7136 * workaround has completed), then continue on with 7137 * system initialization. 7138 */ 7139 for (cnt1 = 0; cnt1 < 1000; cnt1++) { 7140 bnx2x_cl45_read(bp, phy, 7141 MDIO_PMA_DEVAD, 7142 MDIO_PMA_REG_8073_XAUI_WA, &val); 7143 if (val & (1<<15)) { 7144 DP(NETIF_MSG_LINK, 7145 "XAUI workaround has completed\n"); 7146 return 0; 7147 } 7148 usleep_range(3000, 6000); 7149 } 7150 break; 7151 } 7152 usleep_range(3000, 6000); 7153 } 7154 DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n"); 7155 return -EINVAL; 7156 } 7157 7158 static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy) 7159 { 7160 /* Force KR or KX */ 7161 bnx2x_cl45_write(bp, phy, 7162 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040); 7163 bnx2x_cl45_write(bp, phy, 7164 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b); 7165 bnx2x_cl45_write(bp, phy, 7166 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000); 7167 bnx2x_cl45_write(bp, phy, 7168 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000); 7169 } 7170 7171 static void bnx2x_8073_set_pause_cl37(struct link_params *params, 7172 struct bnx2x_phy *phy, 7173 struct link_vars *vars) 7174 { 7175 u16 cl37_val; 7176 struct bnx2x *bp = params->bp; 7177 bnx2x_cl45_read(bp, phy, 7178 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val); 7179 7180 cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH; 7181 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */ 7182 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc); 7183 if ((vars->ieee_fc & 7184 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) == 7185 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) { 7186 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC; 7187 } 7188 if ((vars->ieee_fc & 7189 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) == 7190 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) { 7191 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC; 7192 } 7193 if ((vars->ieee_fc & 7194 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) == 7195 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) { 7196 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH; 7197 } 7198 DP(NETIF_MSG_LINK, 7199 "Ext phy AN advertize cl37 0x%x\n", cl37_val); 7200 7201 bnx2x_cl45_write(bp, phy, 7202 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val); 7203 msleep(500); 7204 } 7205 7206 static int bnx2x_8073_config_init(struct bnx2x_phy *phy, 7207 struct link_params *params, 7208 struct link_vars *vars) 7209 { 7210 struct bnx2x *bp = params->bp; 7211 u16 val = 0, tmp1; 7212 u8 gpio_port; 7213 DP(NETIF_MSG_LINK, "Init 8073\n"); 7214 7215 if (CHIP_IS_E2(bp)) 7216 gpio_port = BP_PATH(bp); 7217 else 7218 gpio_port = params->port; 7219 /* Restore normal power mode*/ 7220 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, 7221 MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port); 7222 7223 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1, 7224 MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port); 7225 7226 /* Enable LASI */ 7227 bnx2x_cl45_write(bp, phy, 7228 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2)); 7229 bnx2x_cl45_write(bp, phy, 7230 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004); 7231 7232 bnx2x_8073_set_pause_cl37(params, phy, vars); 7233 7234 bnx2x_cl45_read(bp, phy, 7235 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1); 7236 7237 bnx2x_cl45_read(bp, phy, 7238 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1); 7239 7240 DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1); 7241 7242 /* Swap polarity if required - Must be done only in non-1G mode */ 7243 if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) { 7244 /* Configure the 8073 to swap _P and _N of the KR lines */ 7245 DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n"); 7246 /* 10G Rx/Tx and 1G Tx signal polarity swap */ 7247 bnx2x_cl45_read(bp, phy, 7248 MDIO_PMA_DEVAD, 7249 MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val); 7250 bnx2x_cl45_write(bp, phy, 7251 MDIO_PMA_DEVAD, 7252 MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, 7253 (val | (3<<9))); 7254 } 7255 7256 7257 /* Enable CL37 BAM */ 7258 if (REG_RD(bp, params->shmem_base + 7259 offsetof(struct shmem_region, dev_info. 7260 port_hw_config[params->port].default_cfg)) & 7261 PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) { 7262 7263 bnx2x_cl45_read(bp, phy, 7264 MDIO_AN_DEVAD, 7265 MDIO_AN_REG_8073_BAM, &val); 7266 bnx2x_cl45_write(bp, phy, 7267 MDIO_AN_DEVAD, 7268 MDIO_AN_REG_8073_BAM, val | 1); 7269 DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n"); 7270 } 7271 if (params->loopback_mode == LOOPBACK_EXT) { 7272 bnx2x_807x_force_10G(bp, phy); 7273 DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n"); 7274 return 0; 7275 } else { 7276 bnx2x_cl45_write(bp, phy, 7277 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002); 7278 } 7279 if (phy->req_line_speed != SPEED_AUTO_NEG) { 7280 if (phy->req_line_speed == SPEED_10000) { 7281 val = (1<<7); 7282 } else if (phy->req_line_speed == SPEED_2500) { 7283 val = (1<<5); 7284 /* Note that 2.5G works only when used with 1G 7285 * advertisement 7286 */ 7287 } else 7288 val = (1<<5); 7289 } else { 7290 val = 0; 7291 if (phy->speed_cap_mask & 7292 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) 7293 val |= (1<<7); 7294 7295 /* Note that 2.5G works only when used with 1G advertisement */ 7296 if (phy->speed_cap_mask & 7297 (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G | 7298 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)) 7299 val |= (1<<5); 7300 DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val); 7301 } 7302 7303 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val); 7304 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1); 7305 7306 if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) && 7307 (phy->req_line_speed == SPEED_AUTO_NEG)) || 7308 (phy->req_line_speed == SPEED_2500)) { 7309 u16 phy_ver; 7310 /* Allow 2.5G for A1 and above */ 7311 bnx2x_cl45_read(bp, phy, 7312 MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV, 7313 &phy_ver); 7314 DP(NETIF_MSG_LINK, "Add 2.5G\n"); 7315 if (phy_ver > 0) 7316 tmp1 |= 1; 7317 else 7318 tmp1 &= 0xfffe; 7319 } else { 7320 DP(NETIF_MSG_LINK, "Disable 2.5G\n"); 7321 tmp1 &= 0xfffe; 7322 } 7323 7324 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1); 7325 /* Add support for CL37 (passive mode) II */ 7326 7327 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1); 7328 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 7329 (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ? 7330 0x20 : 0x40))); 7331 7332 /* Add support for CL37 (passive mode) III */ 7333 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000); 7334 7335 /* The SNR will improve about 2db by changing BW and FEE main 7336 * tap. Rest commands are executed after link is up 7337 * Change FFE main cursor to 5 in EDC register 7338 */ 7339 if (bnx2x_8073_is_snr_needed(bp, phy)) 7340 bnx2x_cl45_write(bp, phy, 7341 MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN, 7342 0xFB0C); 7343 7344 /* Enable FEC (Forware Error Correction) Request in the AN */ 7345 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1); 7346 tmp1 |= (1<<15); 7347 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1); 7348 7349 bnx2x_ext_phy_set_pause(params, phy, vars); 7350 7351 /* Restart autoneg */ 7352 msleep(500); 7353 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200); 7354 DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n", 7355 ((val & (1<<5)) > 0), ((val & (1<<7)) > 0)); 7356 return 0; 7357 } 7358 7359 static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy, 7360 struct link_params *params, 7361 struct link_vars *vars) 7362 { 7363 struct bnx2x *bp = params->bp; 7364 u8 link_up = 0; 7365 u16 val1, val2; 7366 u16 link_status = 0; 7367 u16 an1000_status = 0; 7368 7369 bnx2x_cl45_read(bp, phy, 7370 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1); 7371 7372 DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1); 7373 7374 /* Clear the interrupt LASI status register */ 7375 bnx2x_cl45_read(bp, phy, 7376 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2); 7377 bnx2x_cl45_read(bp, phy, 7378 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1); 7379 DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1); 7380 /* Clear MSG-OUT */ 7381 bnx2x_cl45_read(bp, phy, 7382 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1); 7383 7384 /* Check the LASI */ 7385 bnx2x_cl45_read(bp, phy, 7386 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2); 7387 7388 DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2); 7389 7390 /* Check the link status */ 7391 bnx2x_cl45_read(bp, phy, 7392 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2); 7393 DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2); 7394 7395 bnx2x_cl45_read(bp, phy, 7396 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2); 7397 bnx2x_cl45_read(bp, phy, 7398 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1); 7399 link_up = ((val1 & 4) == 4); 7400 DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1); 7401 7402 if (link_up && 7403 ((phy->req_line_speed != SPEED_10000))) { 7404 if (bnx2x_8073_xaui_wa(bp, phy) != 0) 7405 return 0; 7406 } 7407 bnx2x_cl45_read(bp, phy, 7408 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status); 7409 bnx2x_cl45_read(bp, phy, 7410 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status); 7411 7412 /* Check the link status on 1.1.2 */ 7413 bnx2x_cl45_read(bp, phy, 7414 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2); 7415 bnx2x_cl45_read(bp, phy, 7416 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1); 7417 DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x," 7418 "an_link_status=0x%x\n", val2, val1, an1000_status); 7419 7420 link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1))); 7421 if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) { 7422 /* The SNR will improve about 2dbby changing the BW and FEE main 7423 * tap. The 1st write to change FFE main tap is set before 7424 * restart AN. Change PLL Bandwidth in EDC register 7425 */ 7426 bnx2x_cl45_write(bp, phy, 7427 MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH, 7428 0x26BC); 7429 7430 /* Change CDR Bandwidth in EDC register */ 7431 bnx2x_cl45_write(bp, phy, 7432 MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH, 7433 0x0333); 7434 } 7435 bnx2x_cl45_read(bp, phy, 7436 MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS, 7437 &link_status); 7438 7439 /* Bits 0..2 --> speed detected, bits 13..15--> link is down */ 7440 if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) { 7441 link_up = 1; 7442 vars->line_speed = SPEED_10000; 7443 DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n", 7444 params->port); 7445 } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) { 7446 link_up = 1; 7447 vars->line_speed = SPEED_2500; 7448 DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n", 7449 params->port); 7450 } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) { 7451 link_up = 1; 7452 vars->line_speed = SPEED_1000; 7453 DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n", 7454 params->port); 7455 } else { 7456 link_up = 0; 7457 DP(NETIF_MSG_LINK, "port %x: External link is down\n", 7458 params->port); 7459 } 7460 7461 if (link_up) { 7462 /* Swap polarity if required */ 7463 if (params->lane_config & 7464 PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) { 7465 /* Configure the 8073 to swap P and N of the KR lines */ 7466 bnx2x_cl45_read(bp, phy, 7467 MDIO_XS_DEVAD, 7468 MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1); 7469 /* Set bit 3 to invert Rx in 1G mode and clear this bit 7470 * when it`s in 10G mode. 7471 */ 7472 if (vars->line_speed == SPEED_1000) { 7473 DP(NETIF_MSG_LINK, "Swapping 1G polarity for" 7474 "the 8073\n"); 7475 val1 |= (1<<3); 7476 } else 7477 val1 &= ~(1<<3); 7478 7479 bnx2x_cl45_write(bp, phy, 7480 MDIO_XS_DEVAD, 7481 MDIO_XS_REG_8073_RX_CTRL_PCIE, 7482 val1); 7483 } 7484 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars); 7485 bnx2x_8073_resolve_fc(phy, params, vars); 7486 vars->duplex = DUPLEX_FULL; 7487 } 7488 7489 if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) { 7490 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, 7491 MDIO_AN_REG_LP_AUTO_NEG2, &val1); 7492 7493 if (val1 & (1<<5)) 7494 vars->link_status |= 7495 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE; 7496 if (val1 & (1<<7)) 7497 vars->link_status |= 7498 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE; 7499 } 7500 7501 return link_up; 7502 } 7503 7504 static void bnx2x_8073_link_reset(struct bnx2x_phy *phy, 7505 struct link_params *params) 7506 { 7507 struct bnx2x *bp = params->bp; 7508 u8 gpio_port; 7509 if (CHIP_IS_E2(bp)) 7510 gpio_port = BP_PATH(bp); 7511 else 7512 gpio_port = params->port; 7513 DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n", 7514 gpio_port); 7515 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, 7516 MISC_REGISTERS_GPIO_OUTPUT_LOW, 7517 gpio_port); 7518 } 7519 7520 /******************************************************************/ 7521 /* BCM8705 PHY SECTION */ 7522 /******************************************************************/ 7523 static int bnx2x_8705_config_init(struct bnx2x_phy *phy, 7524 struct link_params *params, 7525 struct link_vars *vars) 7526 { 7527 struct bnx2x *bp = params->bp; 7528 DP(NETIF_MSG_LINK, "init 8705\n"); 7529 /* Restore normal power mode*/ 7530 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, 7531 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port); 7532 /* HW reset */ 7533 bnx2x_ext_phy_hw_reset(bp, params->port); 7534 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040); 7535 bnx2x_wait_reset_complete(bp, phy, params); 7536 7537 bnx2x_cl45_write(bp, phy, 7538 MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288); 7539 bnx2x_cl45_write(bp, phy, 7540 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf); 7541 bnx2x_cl45_write(bp, phy, 7542 MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100); 7543 bnx2x_cl45_write(bp, phy, 7544 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1); 7545 /* BCM8705 doesn't have microcode, hence the 0 */ 7546 bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0); 7547 return 0; 7548 } 7549 7550 static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy, 7551 struct link_params *params, 7552 struct link_vars *vars) 7553 { 7554 u8 link_up = 0; 7555 u16 val1, rx_sd; 7556 struct bnx2x *bp = params->bp; 7557 DP(NETIF_MSG_LINK, "read status 8705\n"); 7558 bnx2x_cl45_read(bp, phy, 7559 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1); 7560 DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1); 7561 7562 bnx2x_cl45_read(bp, phy, 7563 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1); 7564 DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1); 7565 7566 bnx2x_cl45_read(bp, phy, 7567 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd); 7568 7569 bnx2x_cl45_read(bp, phy, 7570 MDIO_PMA_DEVAD, 0xc809, &val1); 7571 bnx2x_cl45_read(bp, phy, 7572 MDIO_PMA_DEVAD, 0xc809, &val1); 7573 7574 DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1); 7575 link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0)); 7576 if (link_up) { 7577 vars->line_speed = SPEED_10000; 7578 bnx2x_ext_phy_resolve_fc(phy, params, vars); 7579 } 7580 return link_up; 7581 } 7582 7583 /******************************************************************/ 7584 /* SFP+ module Section */ 7585 /******************************************************************/ 7586 static void bnx2x_set_disable_pmd_transmit(struct link_params *params, 7587 struct bnx2x_phy *phy, 7588 u8 pmd_dis) 7589 { 7590 struct bnx2x *bp = params->bp; 7591 /* Disable transmitter only for bootcodes which can enable it afterwards 7592 * (for D3 link) 7593 */ 7594 if (pmd_dis) { 7595 if (params->feature_config_flags & 7596 FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED) 7597 DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n"); 7598 else { 7599 DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n"); 7600 return; 7601 } 7602 } else 7603 DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n"); 7604 bnx2x_cl45_write(bp, phy, 7605 MDIO_PMA_DEVAD, 7606 MDIO_PMA_REG_TX_DISABLE, pmd_dis); 7607 } 7608 7609 static u8 bnx2x_get_gpio_port(struct link_params *params) 7610 { 7611 u8 gpio_port; 7612 u32 swap_val, swap_override; 7613 struct bnx2x *bp = params->bp; 7614 if (CHIP_IS_E2(bp)) 7615 gpio_port = BP_PATH(bp); 7616 else 7617 gpio_port = params->port; 7618 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP); 7619 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE); 7620 return gpio_port ^ (swap_val && swap_override); 7621 } 7622 7623 static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params, 7624 struct bnx2x_phy *phy, 7625 u8 tx_en) 7626 { 7627 u16 val; 7628 u8 port = params->port; 7629 struct bnx2x *bp = params->bp; 7630 u32 tx_en_mode; 7631 7632 /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/ 7633 tx_en_mode = REG_RD(bp, params->shmem_base + 7634 offsetof(struct shmem_region, 7635 dev_info.port_hw_config[port].sfp_ctrl)) & 7636 PORT_HW_CFG_TX_LASER_MASK; 7637 DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x " 7638 "mode = %x\n", tx_en, port, tx_en_mode); 7639 switch (tx_en_mode) { 7640 case PORT_HW_CFG_TX_LASER_MDIO: 7641 7642 bnx2x_cl45_read(bp, phy, 7643 MDIO_PMA_DEVAD, 7644 MDIO_PMA_REG_PHY_IDENTIFIER, 7645 &val); 7646 7647 if (tx_en) 7648 val &= ~(1<<15); 7649 else 7650 val |= (1<<15); 7651 7652 bnx2x_cl45_write(bp, phy, 7653 MDIO_PMA_DEVAD, 7654 MDIO_PMA_REG_PHY_IDENTIFIER, 7655 val); 7656 break; 7657 case PORT_HW_CFG_TX_LASER_GPIO0: 7658 case PORT_HW_CFG_TX_LASER_GPIO1: 7659 case PORT_HW_CFG_TX_LASER_GPIO2: 7660 case PORT_HW_CFG_TX_LASER_GPIO3: 7661 { 7662 u16 gpio_pin; 7663 u8 gpio_port, gpio_mode; 7664 if (tx_en) 7665 gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH; 7666 else 7667 gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW; 7668 7669 gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0; 7670 gpio_port = bnx2x_get_gpio_port(params); 7671 bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port); 7672 break; 7673 } 7674 default: 7675 DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode); 7676 break; 7677 } 7678 } 7679 7680 static void bnx2x_sfp_set_transmitter(struct link_params *params, 7681 struct bnx2x_phy *phy, 7682 u8 tx_en) 7683 { 7684 struct bnx2x *bp = params->bp; 7685 DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en); 7686 if (CHIP_IS_E3(bp)) 7687 bnx2x_sfp_e3_set_transmitter(params, phy, tx_en); 7688 else 7689 bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en); 7690 } 7691 7692 static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy, 7693 struct link_params *params, 7694 u16 addr, u8 byte_cnt, u8 *o_buf) 7695 { 7696 struct bnx2x *bp = params->bp; 7697 u16 val = 0; 7698 u16 i; 7699 if (byte_cnt > SFP_EEPROM_PAGE_SIZE) { 7700 DP(NETIF_MSG_LINK, 7701 "Reading from eeprom is limited to 0xf\n"); 7702 return -EINVAL; 7703 } 7704 /* Set the read command byte count */ 7705 bnx2x_cl45_write(bp, phy, 7706 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT, 7707 (byte_cnt | 0xa000)); 7708 7709 /* Set the read command address */ 7710 bnx2x_cl45_write(bp, phy, 7711 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR, 7712 addr); 7713 7714 /* Activate read command */ 7715 bnx2x_cl45_write(bp, phy, 7716 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, 7717 0x2c0f); 7718 7719 /* Wait up to 500us for command complete status */ 7720 for (i = 0; i < 100; i++) { 7721 bnx2x_cl45_read(bp, phy, 7722 MDIO_PMA_DEVAD, 7723 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val); 7724 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) == 7725 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) 7726 break; 7727 udelay(5); 7728 } 7729 7730 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) != 7731 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) { 7732 DP(NETIF_MSG_LINK, 7733 "Got bad status 0x%x when reading from SFP+ EEPROM\n", 7734 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK)); 7735 return -EINVAL; 7736 } 7737 7738 /* Read the buffer */ 7739 for (i = 0; i < byte_cnt; i++) { 7740 bnx2x_cl45_read(bp, phy, 7741 MDIO_PMA_DEVAD, 7742 MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val); 7743 o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK); 7744 } 7745 7746 for (i = 0; i < 100; i++) { 7747 bnx2x_cl45_read(bp, phy, 7748 MDIO_PMA_DEVAD, 7749 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val); 7750 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) == 7751 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE) 7752 return 0; 7753 usleep_range(1000, 2000); 7754 } 7755 return -EINVAL; 7756 } 7757 7758 static void bnx2x_warpcore_power_module(struct link_params *params, 7759 struct bnx2x_phy *phy, 7760 u8 power) 7761 { 7762 u32 pin_cfg; 7763 struct bnx2x *bp = params->bp; 7764 7765 pin_cfg = (REG_RD(bp, params->shmem_base + 7766 offsetof(struct shmem_region, 7767 dev_info.port_hw_config[params->port].e3_sfp_ctrl)) & 7768 PORT_HW_CFG_E3_PWR_DIS_MASK) >> 7769 PORT_HW_CFG_E3_PWR_DIS_SHIFT; 7770 7771 if (pin_cfg == PIN_CFG_NA) 7772 return; 7773 DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n", 7774 power, pin_cfg); 7775 /* Low ==> corresponding SFP+ module is powered 7776 * high ==> the SFP+ module is powered down 7777 */ 7778 bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1); 7779 } 7780 static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy, 7781 struct link_params *params, 7782 u16 addr, u8 byte_cnt, 7783 u8 *o_buf) 7784 { 7785 int rc = 0; 7786 u8 i, j = 0, cnt = 0; 7787 u32 data_array[4]; 7788 u16 addr32; 7789 struct bnx2x *bp = params->bp; 7790 7791 if (byte_cnt > SFP_EEPROM_PAGE_SIZE) { 7792 DP(NETIF_MSG_LINK, 7793 "Reading from eeprom is limited to 16 bytes\n"); 7794 return -EINVAL; 7795 } 7796 7797 /* 4 byte aligned address */ 7798 addr32 = addr & (~0x3); 7799 do { 7800 if (cnt == I2C_WA_PWR_ITER) { 7801 bnx2x_warpcore_power_module(params, phy, 0); 7802 /* Note that 100us are not enough here */ 7803 usleep_range(1000,1000); 7804 bnx2x_warpcore_power_module(params, phy, 1); 7805 } 7806 rc = bnx2x_bsc_read(params, phy, 0xa0, addr32, 0, byte_cnt, 7807 data_array); 7808 } while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT)); 7809 7810 if (rc == 0) { 7811 for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) { 7812 o_buf[j] = *((u8 *)data_array + i); 7813 j++; 7814 } 7815 } 7816 7817 return rc; 7818 } 7819 7820 static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy, 7821 struct link_params *params, 7822 u16 addr, u8 byte_cnt, u8 *o_buf) 7823 { 7824 struct bnx2x *bp = params->bp; 7825 u16 val, i; 7826 7827 if (byte_cnt > SFP_EEPROM_PAGE_SIZE) { 7828 DP(NETIF_MSG_LINK, 7829 "Reading from eeprom is limited to 0xf\n"); 7830 return -EINVAL; 7831 } 7832 7833 /* Need to read from 1.8000 to clear it */ 7834 bnx2x_cl45_read(bp, phy, 7835 MDIO_PMA_DEVAD, 7836 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, 7837 &val); 7838 7839 /* Set the read command byte count */ 7840 bnx2x_cl45_write(bp, phy, 7841 MDIO_PMA_DEVAD, 7842 MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT, 7843 ((byte_cnt < 2) ? 2 : byte_cnt)); 7844 7845 /* Set the read command address */ 7846 bnx2x_cl45_write(bp, phy, 7847 MDIO_PMA_DEVAD, 7848 MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR, 7849 addr); 7850 /* Set the destination address */ 7851 bnx2x_cl45_write(bp, phy, 7852 MDIO_PMA_DEVAD, 7853 0x8004, 7854 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF); 7855 7856 /* Activate read command */ 7857 bnx2x_cl45_write(bp, phy, 7858 MDIO_PMA_DEVAD, 7859 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, 7860 0x8002); 7861 /* Wait appropriate time for two-wire command to finish before 7862 * polling the status register 7863 */ 7864 usleep_range(1000, 2000); 7865 7866 /* Wait up to 500us for command complete status */ 7867 for (i = 0; i < 100; i++) { 7868 bnx2x_cl45_read(bp, phy, 7869 MDIO_PMA_DEVAD, 7870 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val); 7871 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) == 7872 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) 7873 break; 7874 udelay(5); 7875 } 7876 7877 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) != 7878 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) { 7879 DP(NETIF_MSG_LINK, 7880 "Got bad status 0x%x when reading from SFP+ EEPROM\n", 7881 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK)); 7882 return -EFAULT; 7883 } 7884 7885 /* Read the buffer */ 7886 for (i = 0; i < byte_cnt; i++) { 7887 bnx2x_cl45_read(bp, phy, 7888 MDIO_PMA_DEVAD, 7889 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val); 7890 o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK); 7891 } 7892 7893 for (i = 0; i < 100; i++) { 7894 bnx2x_cl45_read(bp, phy, 7895 MDIO_PMA_DEVAD, 7896 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val); 7897 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) == 7898 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE) 7899 return 0; 7900 usleep_range(1000, 2000); 7901 } 7902 7903 return -EINVAL; 7904 } 7905 7906 int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy, 7907 struct link_params *params, u16 addr, 7908 u8 byte_cnt, u8 *o_buf) 7909 { 7910 int rc = -EOPNOTSUPP; 7911 switch (phy->type) { 7912 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726: 7913 rc = bnx2x_8726_read_sfp_module_eeprom(phy, params, addr, 7914 byte_cnt, o_buf); 7915 break; 7916 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727: 7917 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722: 7918 rc = bnx2x_8727_read_sfp_module_eeprom(phy, params, addr, 7919 byte_cnt, o_buf); 7920 break; 7921 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT: 7922 rc = bnx2x_warpcore_read_sfp_module_eeprom(phy, params, addr, 7923 byte_cnt, o_buf); 7924 break; 7925 } 7926 return rc; 7927 } 7928 7929 static int bnx2x_get_edc_mode(struct bnx2x_phy *phy, 7930 struct link_params *params, 7931 u16 *edc_mode) 7932 { 7933 struct bnx2x *bp = params->bp; 7934 u32 sync_offset = 0, phy_idx, media_types; 7935 u8 val[2], check_limiting_mode = 0; 7936 *edc_mode = EDC_MODE_LIMITING; 7937 7938 phy->media_type = ETH_PHY_UNSPECIFIED; 7939 /* First check for copper cable */ 7940 if (bnx2x_read_sfp_module_eeprom(phy, 7941 params, 7942 SFP_EEPROM_CON_TYPE_ADDR, 7943 2, 7944 (u8 *)val) != 0) { 7945 DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n"); 7946 return -EINVAL; 7947 } 7948 7949 switch (val[0]) { 7950 case SFP_EEPROM_CON_TYPE_VAL_COPPER: 7951 { 7952 u8 copper_module_type; 7953 phy->media_type = ETH_PHY_DA_TWINAX; 7954 /* Check if its active cable (includes SFP+ module) 7955 * of passive cable 7956 */ 7957 if (bnx2x_read_sfp_module_eeprom(phy, 7958 params, 7959 SFP_EEPROM_FC_TX_TECH_ADDR, 7960 1, 7961 &copper_module_type) != 0) { 7962 DP(NETIF_MSG_LINK, 7963 "Failed to read copper-cable-type" 7964 " from SFP+ EEPROM\n"); 7965 return -EINVAL; 7966 } 7967 7968 if (copper_module_type & 7969 SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) { 7970 DP(NETIF_MSG_LINK, "Active Copper cable detected\n"); 7971 check_limiting_mode = 1; 7972 } else if (copper_module_type & 7973 SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) { 7974 DP(NETIF_MSG_LINK, 7975 "Passive Copper cable detected\n"); 7976 *edc_mode = 7977 EDC_MODE_PASSIVE_DAC; 7978 } else { 7979 DP(NETIF_MSG_LINK, 7980 "Unknown copper-cable-type 0x%x !!!\n", 7981 copper_module_type); 7982 return -EINVAL; 7983 } 7984 break; 7985 } 7986 case SFP_EEPROM_CON_TYPE_VAL_LC: 7987 check_limiting_mode = 1; 7988 if ((val[1] & (SFP_EEPROM_COMP_CODE_SR_MASK | 7989 SFP_EEPROM_COMP_CODE_LR_MASK | 7990 SFP_EEPROM_COMP_CODE_LRM_MASK)) == 0) { 7991 DP(NETIF_MSG_LINK, "1G Optic module detected\n"); 7992 phy->media_type = ETH_PHY_SFP_1G_FIBER; 7993 phy->req_line_speed = SPEED_1000; 7994 } else { 7995 int idx, cfg_idx = 0; 7996 DP(NETIF_MSG_LINK, "10G Optic module detected\n"); 7997 for (idx = INT_PHY; idx < MAX_PHYS; idx++) { 7998 if (params->phy[idx].type == phy->type) { 7999 cfg_idx = LINK_CONFIG_IDX(idx); 8000 break; 8001 } 8002 } 8003 phy->media_type = ETH_PHY_SFPP_10G_FIBER; 8004 phy->req_line_speed = params->req_line_speed[cfg_idx]; 8005 } 8006 break; 8007 default: 8008 DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n", 8009 val[0]); 8010 return -EINVAL; 8011 } 8012 sync_offset = params->shmem_base + 8013 offsetof(struct shmem_region, 8014 dev_info.port_hw_config[params->port].media_type); 8015 media_types = REG_RD(bp, sync_offset); 8016 /* Update media type for non-PMF sync */ 8017 for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) { 8018 if (&(params->phy[phy_idx]) == phy) { 8019 media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK << 8020 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx)); 8021 media_types |= ((phy->media_type & 8022 PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) << 8023 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx)); 8024 break; 8025 } 8026 } 8027 REG_WR(bp, sync_offset, media_types); 8028 if (check_limiting_mode) { 8029 u8 options[SFP_EEPROM_OPTIONS_SIZE]; 8030 if (bnx2x_read_sfp_module_eeprom(phy, 8031 params, 8032 SFP_EEPROM_OPTIONS_ADDR, 8033 SFP_EEPROM_OPTIONS_SIZE, 8034 options) != 0) { 8035 DP(NETIF_MSG_LINK, 8036 "Failed to read Option field from module EEPROM\n"); 8037 return -EINVAL; 8038 } 8039 if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK)) 8040 *edc_mode = EDC_MODE_LINEAR; 8041 else 8042 *edc_mode = EDC_MODE_LIMITING; 8043 } 8044 DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode); 8045 return 0; 8046 } 8047 /* This function read the relevant field from the module (SFP+), and verify it 8048 * is compliant with this board 8049 */ 8050 static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy, 8051 struct link_params *params) 8052 { 8053 struct bnx2x *bp = params->bp; 8054 u32 val, cmd; 8055 u32 fw_resp, fw_cmd_param; 8056 char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1]; 8057 char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1]; 8058 phy->flags &= ~FLAGS_SFP_NOT_APPROVED; 8059 val = REG_RD(bp, params->shmem_base + 8060 offsetof(struct shmem_region, dev_info. 8061 port_feature_config[params->port].config)); 8062 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) == 8063 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) { 8064 DP(NETIF_MSG_LINK, "NOT enforcing module verification\n"); 8065 return 0; 8066 } 8067 8068 if (params->feature_config_flags & 8069 FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) { 8070 /* Use specific phy request */ 8071 cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL; 8072 } else if (params->feature_config_flags & 8073 FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) { 8074 /* Use first phy request only in case of non-dual media*/ 8075 if (DUAL_MEDIA(params)) { 8076 DP(NETIF_MSG_LINK, 8077 "FW does not support OPT MDL verification\n"); 8078 return -EINVAL; 8079 } 8080 cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL; 8081 } else { 8082 /* No support in OPT MDL detection */ 8083 DP(NETIF_MSG_LINK, 8084 "FW does not support OPT MDL verification\n"); 8085 return -EINVAL; 8086 } 8087 8088 fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl); 8089 fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param); 8090 if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) { 8091 DP(NETIF_MSG_LINK, "Approved module\n"); 8092 return 0; 8093 } 8094 8095 /* Format the warning message */ 8096 if (bnx2x_read_sfp_module_eeprom(phy, 8097 params, 8098 SFP_EEPROM_VENDOR_NAME_ADDR, 8099 SFP_EEPROM_VENDOR_NAME_SIZE, 8100 (u8 *)vendor_name)) 8101 vendor_name[0] = '\0'; 8102 else 8103 vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0'; 8104 if (bnx2x_read_sfp_module_eeprom(phy, 8105 params, 8106 SFP_EEPROM_PART_NO_ADDR, 8107 SFP_EEPROM_PART_NO_SIZE, 8108 (u8 *)vendor_pn)) 8109 vendor_pn[0] = '\0'; 8110 else 8111 vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0'; 8112 8113 netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected," 8114 " Port %d from %s part number %s\n", 8115 params->port, vendor_name, vendor_pn); 8116 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) != 8117 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_WARNING_MSG) 8118 phy->flags |= FLAGS_SFP_NOT_APPROVED; 8119 return -EINVAL; 8120 } 8121 8122 static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy, 8123 struct link_params *params) 8124 8125 { 8126 u8 val; 8127 struct bnx2x *bp = params->bp; 8128 u16 timeout; 8129 /* Initialization time after hot-plug may take up to 300ms for 8130 * some phys type ( e.g. JDSU ) 8131 */ 8132 8133 for (timeout = 0; timeout < 60; timeout++) { 8134 if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val) 8135 == 0) { 8136 DP(NETIF_MSG_LINK, 8137 "SFP+ module initialization took %d ms\n", 8138 timeout * 5); 8139 return 0; 8140 } 8141 usleep_range(5000, 10000); 8142 } 8143 return -EINVAL; 8144 } 8145 8146 static void bnx2x_8727_power_module(struct bnx2x *bp, 8147 struct bnx2x_phy *phy, 8148 u8 is_power_up) { 8149 /* Make sure GPIOs are not using for LED mode */ 8150 u16 val; 8151 /* In the GPIO register, bit 4 is use to determine if the GPIOs are 8152 * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for 8153 * output 8154 * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0 8155 * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1 8156 * where the 1st bit is the over-current(only input), and 2nd bit is 8157 * for power( only output ) 8158 * 8159 * In case of NOC feature is disabled and power is up, set GPIO control 8160 * as input to enable listening of over-current indication 8161 */ 8162 if (phy->flags & FLAGS_NOC) 8163 return; 8164 if (is_power_up) 8165 val = (1<<4); 8166 else 8167 /* Set GPIO control to OUTPUT, and set the power bit 8168 * to according to the is_power_up 8169 */ 8170 val = (1<<1); 8171 8172 bnx2x_cl45_write(bp, phy, 8173 MDIO_PMA_DEVAD, 8174 MDIO_PMA_REG_8727_GPIO_CTRL, 8175 val); 8176 } 8177 8178 static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp, 8179 struct bnx2x_phy *phy, 8180 u16 edc_mode) 8181 { 8182 u16 cur_limiting_mode; 8183 8184 bnx2x_cl45_read(bp, phy, 8185 MDIO_PMA_DEVAD, 8186 MDIO_PMA_REG_ROM_VER2, 8187 &cur_limiting_mode); 8188 DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n", 8189 cur_limiting_mode); 8190 8191 if (edc_mode == EDC_MODE_LIMITING) { 8192 DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n"); 8193 bnx2x_cl45_write(bp, phy, 8194 MDIO_PMA_DEVAD, 8195 MDIO_PMA_REG_ROM_VER2, 8196 EDC_MODE_LIMITING); 8197 } else { /* LRM mode ( default )*/ 8198 8199 DP(NETIF_MSG_LINK, "Setting LRM MODE\n"); 8200 8201 /* Changing to LRM mode takes quite few seconds. So do it only 8202 * if current mode is limiting (default is LRM) 8203 */ 8204 if (cur_limiting_mode != EDC_MODE_LIMITING) 8205 return 0; 8206 8207 bnx2x_cl45_write(bp, phy, 8208 MDIO_PMA_DEVAD, 8209 MDIO_PMA_REG_LRM_MODE, 8210 0); 8211 bnx2x_cl45_write(bp, phy, 8212 MDIO_PMA_DEVAD, 8213 MDIO_PMA_REG_ROM_VER2, 8214 0x128); 8215 bnx2x_cl45_write(bp, phy, 8216 MDIO_PMA_DEVAD, 8217 MDIO_PMA_REG_MISC_CTRL0, 8218 0x4008); 8219 bnx2x_cl45_write(bp, phy, 8220 MDIO_PMA_DEVAD, 8221 MDIO_PMA_REG_LRM_MODE, 8222 0xaaaa); 8223 } 8224 return 0; 8225 } 8226 8227 static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp, 8228 struct bnx2x_phy *phy, 8229 u16 edc_mode) 8230 { 8231 u16 phy_identifier; 8232 u16 rom_ver2_val; 8233 bnx2x_cl45_read(bp, phy, 8234 MDIO_PMA_DEVAD, 8235 MDIO_PMA_REG_PHY_IDENTIFIER, 8236 &phy_identifier); 8237 8238 bnx2x_cl45_write(bp, phy, 8239 MDIO_PMA_DEVAD, 8240 MDIO_PMA_REG_PHY_IDENTIFIER, 8241 (phy_identifier & ~(1<<9))); 8242 8243 bnx2x_cl45_read(bp, phy, 8244 MDIO_PMA_DEVAD, 8245 MDIO_PMA_REG_ROM_VER2, 8246 &rom_ver2_val); 8247 /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */ 8248 bnx2x_cl45_write(bp, phy, 8249 MDIO_PMA_DEVAD, 8250 MDIO_PMA_REG_ROM_VER2, 8251 (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff)); 8252 8253 bnx2x_cl45_write(bp, phy, 8254 MDIO_PMA_DEVAD, 8255 MDIO_PMA_REG_PHY_IDENTIFIER, 8256 (phy_identifier | (1<<9))); 8257 8258 return 0; 8259 } 8260 8261 static void bnx2x_8727_specific_func(struct bnx2x_phy *phy, 8262 struct link_params *params, 8263 u32 action) 8264 { 8265 struct bnx2x *bp = params->bp; 8266 8267 switch (action) { 8268 case DISABLE_TX: 8269 bnx2x_sfp_set_transmitter(params, phy, 0); 8270 break; 8271 case ENABLE_TX: 8272 if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) 8273 bnx2x_sfp_set_transmitter(params, phy, 1); 8274 break; 8275 default: 8276 DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n", 8277 action); 8278 return; 8279 } 8280 } 8281 8282 static void bnx2x_set_e1e2_module_fault_led(struct link_params *params, 8283 u8 gpio_mode) 8284 { 8285 struct bnx2x *bp = params->bp; 8286 8287 u32 fault_led_gpio = REG_RD(bp, params->shmem_base + 8288 offsetof(struct shmem_region, 8289 dev_info.port_hw_config[params->port].sfp_ctrl)) & 8290 PORT_HW_CFG_FAULT_MODULE_LED_MASK; 8291 switch (fault_led_gpio) { 8292 case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED: 8293 return; 8294 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0: 8295 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1: 8296 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2: 8297 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3: 8298 { 8299 u8 gpio_port = bnx2x_get_gpio_port(params); 8300 u16 gpio_pin = fault_led_gpio - 8301 PORT_HW_CFG_FAULT_MODULE_LED_GPIO0; 8302 DP(NETIF_MSG_LINK, "Set fault module-detected led " 8303 "pin %x port %x mode %x\n", 8304 gpio_pin, gpio_port, gpio_mode); 8305 bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port); 8306 } 8307 break; 8308 default: 8309 DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n", 8310 fault_led_gpio); 8311 } 8312 } 8313 8314 static void bnx2x_set_e3_module_fault_led(struct link_params *params, 8315 u8 gpio_mode) 8316 { 8317 u32 pin_cfg; 8318 u8 port = params->port; 8319 struct bnx2x *bp = params->bp; 8320 pin_cfg = (REG_RD(bp, params->shmem_base + 8321 offsetof(struct shmem_region, 8322 dev_info.port_hw_config[port].e3_sfp_ctrl)) & 8323 PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >> 8324 PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT; 8325 DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n", 8326 gpio_mode, pin_cfg); 8327 bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode); 8328 } 8329 8330 static void bnx2x_set_sfp_module_fault_led(struct link_params *params, 8331 u8 gpio_mode) 8332 { 8333 struct bnx2x *bp = params->bp; 8334 DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode); 8335 if (CHIP_IS_E3(bp)) { 8336 /* Low ==> if SFP+ module is supported otherwise 8337 * High ==> if SFP+ module is not on the approved vendor list 8338 */ 8339 bnx2x_set_e3_module_fault_led(params, gpio_mode); 8340 } else 8341 bnx2x_set_e1e2_module_fault_led(params, gpio_mode); 8342 } 8343 8344 static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy, 8345 struct link_params *params) 8346 { 8347 struct bnx2x *bp = params->bp; 8348 bnx2x_warpcore_power_module(params, phy, 0); 8349 /* Put Warpcore in low power mode */ 8350 REG_WR(bp, MISC_REG_WC0_RESET, 0x0c0e); 8351 8352 /* Put LCPLL in low power mode */ 8353 REG_WR(bp, MISC_REG_LCPLL_E40_PWRDWN, 1); 8354 REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_ANA, 0); 8355 REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_DIG, 0); 8356 } 8357 8358 static void bnx2x_power_sfp_module(struct link_params *params, 8359 struct bnx2x_phy *phy, 8360 u8 power) 8361 { 8362 struct bnx2x *bp = params->bp; 8363 DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power); 8364 8365 switch (phy->type) { 8366 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727: 8367 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722: 8368 bnx2x_8727_power_module(params->bp, phy, power); 8369 break; 8370 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT: 8371 bnx2x_warpcore_power_module(params, phy, power); 8372 break; 8373 default: 8374 break; 8375 } 8376 } 8377 static void bnx2x_warpcore_set_limiting_mode(struct link_params *params, 8378 struct bnx2x_phy *phy, 8379 u16 edc_mode) 8380 { 8381 u16 val = 0; 8382 u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT; 8383 struct bnx2x *bp = params->bp; 8384 8385 u8 lane = bnx2x_get_warpcore_lane(phy, params); 8386 /* This is a global register which controls all lanes */ 8387 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 8388 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val); 8389 val &= ~(0xf << (lane << 2)); 8390 8391 switch (edc_mode) { 8392 case EDC_MODE_LINEAR: 8393 case EDC_MODE_LIMITING: 8394 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT; 8395 break; 8396 case EDC_MODE_PASSIVE_DAC: 8397 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC; 8398 break; 8399 default: 8400 break; 8401 } 8402 8403 val |= (mode << (lane << 2)); 8404 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 8405 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val); 8406 /* A must read */ 8407 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 8408 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val); 8409 8410 /* Restart microcode to re-read the new mode */ 8411 bnx2x_warpcore_reset_lane(bp, phy, 1); 8412 bnx2x_warpcore_reset_lane(bp, phy, 0); 8413 8414 } 8415 8416 static void bnx2x_set_limiting_mode(struct link_params *params, 8417 struct bnx2x_phy *phy, 8418 u16 edc_mode) 8419 { 8420 switch (phy->type) { 8421 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726: 8422 bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode); 8423 break; 8424 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727: 8425 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722: 8426 bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode); 8427 break; 8428 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT: 8429 bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode); 8430 break; 8431 } 8432 } 8433 8434 int bnx2x_sfp_module_detection(struct bnx2x_phy *phy, 8435 struct link_params *params) 8436 { 8437 struct bnx2x *bp = params->bp; 8438 u16 edc_mode; 8439 int rc = 0; 8440 8441 u32 val = REG_RD(bp, params->shmem_base + 8442 offsetof(struct shmem_region, dev_info. 8443 port_feature_config[params->port].config)); 8444 8445 DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n", 8446 params->port); 8447 /* Power up module */ 8448 bnx2x_power_sfp_module(params, phy, 1); 8449 if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) { 8450 DP(NETIF_MSG_LINK, "Failed to get valid module type\n"); 8451 return -EINVAL; 8452 } else if (bnx2x_verify_sfp_module(phy, params) != 0) { 8453 /* Check SFP+ module compatibility */ 8454 DP(NETIF_MSG_LINK, "Module verification failed!!\n"); 8455 rc = -EINVAL; 8456 /* Turn on fault module-detected led */ 8457 bnx2x_set_sfp_module_fault_led(params, 8458 MISC_REGISTERS_GPIO_HIGH); 8459 8460 /* Check if need to power down the SFP+ module */ 8461 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) == 8462 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) { 8463 DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n"); 8464 bnx2x_power_sfp_module(params, phy, 0); 8465 return rc; 8466 } 8467 } else { 8468 /* Turn off fault module-detected led */ 8469 bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW); 8470 } 8471 8472 /* Check and set limiting mode / LRM mode on 8726. On 8727 it 8473 * is done automatically 8474 */ 8475 bnx2x_set_limiting_mode(params, phy, edc_mode); 8476 8477 /* Enable transmit for this module if the module is approved, or 8478 * if unapproved modules should also enable the Tx laser 8479 */ 8480 if (rc == 0 || 8481 (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) != 8482 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER) 8483 bnx2x_sfp_set_transmitter(params, phy, 1); 8484 else 8485 bnx2x_sfp_set_transmitter(params, phy, 0); 8486 8487 return rc; 8488 } 8489 8490 void bnx2x_handle_module_detect_int(struct link_params *params) 8491 { 8492 struct bnx2x *bp = params->bp; 8493 struct bnx2x_phy *phy; 8494 u32 gpio_val; 8495 u8 gpio_num, gpio_port; 8496 if (CHIP_IS_E3(bp)) 8497 phy = ¶ms->phy[INT_PHY]; 8498 else 8499 phy = ¶ms->phy[EXT_PHY1]; 8500 8501 if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base, 8502 params->port, &gpio_num, &gpio_port) == 8503 -EINVAL) { 8504 DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n"); 8505 return; 8506 } 8507 8508 /* Set valid module led off */ 8509 bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH); 8510 8511 /* Get current gpio val reflecting module plugged in / out*/ 8512 gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port); 8513 8514 /* Call the handling function in case module is detected */ 8515 if (gpio_val == 0) { 8516 bnx2x_set_mdio_clk(bp, params->chip_id, params->port); 8517 bnx2x_set_aer_mmd(params, phy); 8518 8519 bnx2x_power_sfp_module(params, phy, 1); 8520 bnx2x_set_gpio_int(bp, gpio_num, 8521 MISC_REGISTERS_GPIO_INT_OUTPUT_CLR, 8522 gpio_port); 8523 if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0) { 8524 bnx2x_sfp_module_detection(phy, params); 8525 if (CHIP_IS_E3(bp)) { 8526 u16 rx_tx_in_reset; 8527 /* In case WC is out of reset, reconfigure the 8528 * link speed while taking into account 1G 8529 * module limitation. 8530 */ 8531 bnx2x_cl45_read(bp, phy, 8532 MDIO_WC_DEVAD, 8533 MDIO_WC_REG_DIGITAL5_MISC6, 8534 &rx_tx_in_reset); 8535 if (!rx_tx_in_reset) { 8536 bnx2x_warpcore_reset_lane(bp, phy, 1); 8537 bnx2x_warpcore_config_sfi(phy, params); 8538 bnx2x_warpcore_reset_lane(bp, phy, 0); 8539 } 8540 } 8541 } else { 8542 DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n"); 8543 } 8544 } else { 8545 u32 val = REG_RD(bp, params->shmem_base + 8546 offsetof(struct shmem_region, dev_info. 8547 port_feature_config[params->port]. 8548 config)); 8549 bnx2x_set_gpio_int(bp, gpio_num, 8550 MISC_REGISTERS_GPIO_INT_OUTPUT_SET, 8551 gpio_port); 8552 /* Module was plugged out. 8553 * Disable transmit for this module 8554 */ 8555 phy->media_type = ETH_PHY_NOT_PRESENT; 8556 if (((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) == 8557 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER) || 8558 CHIP_IS_E3(bp)) 8559 bnx2x_sfp_set_transmitter(params, phy, 0); 8560 } 8561 } 8562 8563 /******************************************************************/ 8564 /* Used by 8706 and 8727 */ 8565 /******************************************************************/ 8566 static void bnx2x_sfp_mask_fault(struct bnx2x *bp, 8567 struct bnx2x_phy *phy, 8568 u16 alarm_status_offset, 8569 u16 alarm_ctrl_offset) 8570 { 8571 u16 alarm_status, val; 8572 bnx2x_cl45_read(bp, phy, 8573 MDIO_PMA_DEVAD, alarm_status_offset, 8574 &alarm_status); 8575 bnx2x_cl45_read(bp, phy, 8576 MDIO_PMA_DEVAD, alarm_status_offset, 8577 &alarm_status); 8578 /* Mask or enable the fault event. */ 8579 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val); 8580 if (alarm_status & (1<<0)) 8581 val &= ~(1<<0); 8582 else 8583 val |= (1<<0); 8584 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val); 8585 } 8586 /******************************************************************/ 8587 /* common BCM8706/BCM8726 PHY SECTION */ 8588 /******************************************************************/ 8589 static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy, 8590 struct link_params *params, 8591 struct link_vars *vars) 8592 { 8593 u8 link_up = 0; 8594 u16 val1, val2, rx_sd, pcs_status; 8595 struct bnx2x *bp = params->bp; 8596 DP(NETIF_MSG_LINK, "XGXS 8706/8726\n"); 8597 /* Clear RX Alarm*/ 8598 bnx2x_cl45_read(bp, phy, 8599 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2); 8600 8601 bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT, 8602 MDIO_PMA_LASI_TXCTRL); 8603 8604 /* Clear LASI indication*/ 8605 bnx2x_cl45_read(bp, phy, 8606 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1); 8607 bnx2x_cl45_read(bp, phy, 8608 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2); 8609 DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2); 8610 8611 bnx2x_cl45_read(bp, phy, 8612 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd); 8613 bnx2x_cl45_read(bp, phy, 8614 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status); 8615 bnx2x_cl45_read(bp, phy, 8616 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2); 8617 bnx2x_cl45_read(bp, phy, 8618 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2); 8619 8620 DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps" 8621 " link_status 0x%x\n", rx_sd, pcs_status, val2); 8622 /* Link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status 8623 * are set, or if the autoneg bit 1 is set 8624 */ 8625 link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1))); 8626 if (link_up) { 8627 if (val2 & (1<<1)) 8628 vars->line_speed = SPEED_1000; 8629 else 8630 vars->line_speed = SPEED_10000; 8631 bnx2x_ext_phy_resolve_fc(phy, params, vars); 8632 vars->duplex = DUPLEX_FULL; 8633 } 8634 8635 /* Capture 10G link fault. Read twice to clear stale value. */ 8636 if (vars->line_speed == SPEED_10000) { 8637 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 8638 MDIO_PMA_LASI_TXSTAT, &val1); 8639 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 8640 MDIO_PMA_LASI_TXSTAT, &val1); 8641 if (val1 & (1<<0)) 8642 vars->fault_detected = 1; 8643 } 8644 8645 return link_up; 8646 } 8647 8648 /******************************************************************/ 8649 /* BCM8706 PHY SECTION */ 8650 /******************************************************************/ 8651 static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy, 8652 struct link_params *params, 8653 struct link_vars *vars) 8654 { 8655 u32 tx_en_mode; 8656 u16 cnt, val, tmp1; 8657 struct bnx2x *bp = params->bp; 8658 8659 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, 8660 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port); 8661 /* HW reset */ 8662 bnx2x_ext_phy_hw_reset(bp, params->port); 8663 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040); 8664 bnx2x_wait_reset_complete(bp, phy, params); 8665 8666 /* Wait until fw is loaded */ 8667 for (cnt = 0; cnt < 100; cnt++) { 8668 bnx2x_cl45_read(bp, phy, 8669 MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val); 8670 if (val) 8671 break; 8672 usleep_range(10000, 20000); 8673 } 8674 DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt); 8675 if ((params->feature_config_flags & 8676 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) { 8677 u8 i; 8678 u16 reg; 8679 for (i = 0; i < 4; i++) { 8680 reg = MDIO_XS_8706_REG_BANK_RX0 + 8681 i*(MDIO_XS_8706_REG_BANK_RX1 - 8682 MDIO_XS_8706_REG_BANK_RX0); 8683 bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val); 8684 /* Clear first 3 bits of the control */ 8685 val &= ~0x7; 8686 /* Set control bits according to configuration */ 8687 val |= (phy->rx_preemphasis[i] & 0x7); 8688 DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706" 8689 " reg 0x%x <-- val 0x%x\n", reg, val); 8690 bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val); 8691 } 8692 } 8693 /* Force speed */ 8694 if (phy->req_line_speed == SPEED_10000) { 8695 DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n"); 8696 8697 bnx2x_cl45_write(bp, phy, 8698 MDIO_PMA_DEVAD, 8699 MDIO_PMA_REG_DIGITAL_CTRL, 0x400); 8700 bnx2x_cl45_write(bp, phy, 8701 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL, 8702 0); 8703 /* Arm LASI for link and Tx fault. */ 8704 bnx2x_cl45_write(bp, phy, 8705 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3); 8706 } else { 8707 /* Force 1Gbps using autoneg with 1G advertisement */ 8708 8709 /* Allow CL37 through CL73 */ 8710 DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n"); 8711 bnx2x_cl45_write(bp, phy, 8712 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c); 8713 8714 /* Enable Full-Duplex advertisement on CL37 */ 8715 bnx2x_cl45_write(bp, phy, 8716 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020); 8717 /* Enable CL37 AN */ 8718 bnx2x_cl45_write(bp, phy, 8719 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000); 8720 /* 1G support */ 8721 bnx2x_cl45_write(bp, phy, 8722 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5)); 8723 8724 /* Enable clause 73 AN */ 8725 bnx2x_cl45_write(bp, phy, 8726 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200); 8727 bnx2x_cl45_write(bp, phy, 8728 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, 8729 0x0400); 8730 bnx2x_cl45_write(bp, phy, 8731 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 8732 0x0004); 8733 } 8734 bnx2x_save_bcm_spirom_ver(bp, phy, params->port); 8735 8736 /* If TX Laser is controlled by GPIO_0, do not let PHY go into low 8737 * power mode, if TX Laser is disabled 8738 */ 8739 8740 tx_en_mode = REG_RD(bp, params->shmem_base + 8741 offsetof(struct shmem_region, 8742 dev_info.port_hw_config[params->port].sfp_ctrl)) 8743 & PORT_HW_CFG_TX_LASER_MASK; 8744 8745 if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) { 8746 DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n"); 8747 bnx2x_cl45_read(bp, phy, 8748 MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1); 8749 tmp1 |= 0x1; 8750 bnx2x_cl45_write(bp, phy, 8751 MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1); 8752 } 8753 8754 return 0; 8755 } 8756 8757 static int bnx2x_8706_read_status(struct bnx2x_phy *phy, 8758 struct link_params *params, 8759 struct link_vars *vars) 8760 { 8761 return bnx2x_8706_8726_read_status(phy, params, vars); 8762 } 8763 8764 /******************************************************************/ 8765 /* BCM8726 PHY SECTION */ 8766 /******************************************************************/ 8767 static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy, 8768 struct link_params *params) 8769 { 8770 struct bnx2x *bp = params->bp; 8771 DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n"); 8772 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001); 8773 } 8774 8775 static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy, 8776 struct link_params *params) 8777 { 8778 struct bnx2x *bp = params->bp; 8779 /* Need to wait 100ms after reset */ 8780 msleep(100); 8781 8782 /* Micro controller re-boot */ 8783 bnx2x_cl45_write(bp, phy, 8784 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B); 8785 8786 /* Set soft reset */ 8787 bnx2x_cl45_write(bp, phy, 8788 MDIO_PMA_DEVAD, 8789 MDIO_PMA_REG_GEN_CTRL, 8790 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET); 8791 8792 bnx2x_cl45_write(bp, phy, 8793 MDIO_PMA_DEVAD, 8794 MDIO_PMA_REG_MISC_CTRL1, 0x0001); 8795 8796 bnx2x_cl45_write(bp, phy, 8797 MDIO_PMA_DEVAD, 8798 MDIO_PMA_REG_GEN_CTRL, 8799 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP); 8800 8801 /* Wait for 150ms for microcode load */ 8802 msleep(150); 8803 8804 /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */ 8805 bnx2x_cl45_write(bp, phy, 8806 MDIO_PMA_DEVAD, 8807 MDIO_PMA_REG_MISC_CTRL1, 0x0000); 8808 8809 msleep(200); 8810 bnx2x_save_bcm_spirom_ver(bp, phy, params->port); 8811 } 8812 8813 static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy, 8814 struct link_params *params, 8815 struct link_vars *vars) 8816 { 8817 struct bnx2x *bp = params->bp; 8818 u16 val1; 8819 u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars); 8820 if (link_up) { 8821 bnx2x_cl45_read(bp, phy, 8822 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 8823 &val1); 8824 if (val1 & (1<<15)) { 8825 DP(NETIF_MSG_LINK, "Tx is disabled\n"); 8826 link_up = 0; 8827 vars->line_speed = 0; 8828 } 8829 } 8830 return link_up; 8831 } 8832 8833 8834 static int bnx2x_8726_config_init(struct bnx2x_phy *phy, 8835 struct link_params *params, 8836 struct link_vars *vars) 8837 { 8838 struct bnx2x *bp = params->bp; 8839 DP(NETIF_MSG_LINK, "Initializing BCM8726\n"); 8840 8841 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15); 8842 bnx2x_wait_reset_complete(bp, phy, params); 8843 8844 bnx2x_8726_external_rom_boot(phy, params); 8845 8846 /* Need to call module detected on initialization since the module 8847 * detection triggered by actual module insertion might occur before 8848 * driver is loaded, and when driver is loaded, it reset all 8849 * registers, including the transmitter 8850 */ 8851 bnx2x_sfp_module_detection(phy, params); 8852 8853 if (phy->req_line_speed == SPEED_1000) { 8854 DP(NETIF_MSG_LINK, "Setting 1G force\n"); 8855 bnx2x_cl45_write(bp, phy, 8856 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40); 8857 bnx2x_cl45_write(bp, phy, 8858 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD); 8859 bnx2x_cl45_write(bp, phy, 8860 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5); 8861 bnx2x_cl45_write(bp, phy, 8862 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, 8863 0x400); 8864 } else if ((phy->req_line_speed == SPEED_AUTO_NEG) && 8865 (phy->speed_cap_mask & 8866 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) && 8867 ((phy->speed_cap_mask & 8868 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) != 8869 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) { 8870 DP(NETIF_MSG_LINK, "Setting 1G clause37\n"); 8871 /* Set Flow control */ 8872 bnx2x_ext_phy_set_pause(params, phy, vars); 8873 bnx2x_cl45_write(bp, phy, 8874 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20); 8875 bnx2x_cl45_write(bp, phy, 8876 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c); 8877 bnx2x_cl45_write(bp, phy, 8878 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020); 8879 bnx2x_cl45_write(bp, phy, 8880 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000); 8881 bnx2x_cl45_write(bp, phy, 8882 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200); 8883 /* Enable RX-ALARM control to receive interrupt for 1G speed 8884 * change 8885 */ 8886 bnx2x_cl45_write(bp, phy, 8887 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4); 8888 bnx2x_cl45_write(bp, phy, 8889 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, 8890 0x400); 8891 8892 } else { /* Default 10G. Set only LASI control */ 8893 bnx2x_cl45_write(bp, phy, 8894 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1); 8895 } 8896 8897 /* Set TX PreEmphasis if needed */ 8898 if ((params->feature_config_flags & 8899 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) { 8900 DP(NETIF_MSG_LINK, 8901 "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n", 8902 phy->tx_preemphasis[0], 8903 phy->tx_preemphasis[1]); 8904 bnx2x_cl45_write(bp, phy, 8905 MDIO_PMA_DEVAD, 8906 MDIO_PMA_REG_8726_TX_CTRL1, 8907 phy->tx_preemphasis[0]); 8908 8909 bnx2x_cl45_write(bp, phy, 8910 MDIO_PMA_DEVAD, 8911 MDIO_PMA_REG_8726_TX_CTRL2, 8912 phy->tx_preemphasis[1]); 8913 } 8914 8915 return 0; 8916 8917 } 8918 8919 static void bnx2x_8726_link_reset(struct bnx2x_phy *phy, 8920 struct link_params *params) 8921 { 8922 struct bnx2x *bp = params->bp; 8923 DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port); 8924 /* Set serial boot control for external load */ 8925 bnx2x_cl45_write(bp, phy, 8926 MDIO_PMA_DEVAD, 8927 MDIO_PMA_REG_GEN_CTRL, 0x0001); 8928 } 8929 8930 /******************************************************************/ 8931 /* BCM8727 PHY SECTION */ 8932 /******************************************************************/ 8933 8934 static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy, 8935 struct link_params *params, u8 mode) 8936 { 8937 struct bnx2x *bp = params->bp; 8938 u16 led_mode_bitmask = 0; 8939 u16 gpio_pins_bitmask = 0; 8940 u16 val; 8941 /* Only NOC flavor requires to set the LED specifically */ 8942 if (!(phy->flags & FLAGS_NOC)) 8943 return; 8944 switch (mode) { 8945 case LED_MODE_FRONT_PANEL_OFF: 8946 case LED_MODE_OFF: 8947 led_mode_bitmask = 0; 8948 gpio_pins_bitmask = 0x03; 8949 break; 8950 case LED_MODE_ON: 8951 led_mode_bitmask = 0; 8952 gpio_pins_bitmask = 0x02; 8953 break; 8954 case LED_MODE_OPER: 8955 led_mode_bitmask = 0x60; 8956 gpio_pins_bitmask = 0x11; 8957 break; 8958 } 8959 bnx2x_cl45_read(bp, phy, 8960 MDIO_PMA_DEVAD, 8961 MDIO_PMA_REG_8727_PCS_OPT_CTRL, 8962 &val); 8963 val &= 0xff8f; 8964 val |= led_mode_bitmask; 8965 bnx2x_cl45_write(bp, phy, 8966 MDIO_PMA_DEVAD, 8967 MDIO_PMA_REG_8727_PCS_OPT_CTRL, 8968 val); 8969 bnx2x_cl45_read(bp, phy, 8970 MDIO_PMA_DEVAD, 8971 MDIO_PMA_REG_8727_GPIO_CTRL, 8972 &val); 8973 val &= 0xffe0; 8974 val |= gpio_pins_bitmask; 8975 bnx2x_cl45_write(bp, phy, 8976 MDIO_PMA_DEVAD, 8977 MDIO_PMA_REG_8727_GPIO_CTRL, 8978 val); 8979 } 8980 static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy, 8981 struct link_params *params) { 8982 u32 swap_val, swap_override; 8983 u8 port; 8984 /* The PHY reset is controlled by GPIO 1. Fake the port number 8985 * to cancel the swap done in set_gpio() 8986 */ 8987 struct bnx2x *bp = params->bp; 8988 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP); 8989 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE); 8990 port = (swap_val && swap_override) ^ 1; 8991 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1, 8992 MISC_REGISTERS_GPIO_OUTPUT_LOW, port); 8993 } 8994 8995 static void bnx2x_8727_config_speed(struct bnx2x_phy *phy, 8996 struct link_params *params) 8997 { 8998 struct bnx2x *bp = params->bp; 8999 u16 tmp1, val; 9000 /* Set option 1G speed */ 9001 if ((phy->req_line_speed == SPEED_1000) || 9002 (phy->media_type == ETH_PHY_SFP_1G_FIBER)) { 9003 DP(NETIF_MSG_LINK, "Setting 1G force\n"); 9004 bnx2x_cl45_write(bp, phy, 9005 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40); 9006 bnx2x_cl45_write(bp, phy, 9007 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD); 9008 bnx2x_cl45_read(bp, phy, 9009 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1); 9010 DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1); 9011 /* Power down the XAUI until link is up in case of dual-media 9012 * and 1G 9013 */ 9014 if (DUAL_MEDIA(params)) { 9015 bnx2x_cl45_read(bp, phy, 9016 MDIO_PMA_DEVAD, 9017 MDIO_PMA_REG_8727_PCS_GP, &val); 9018 val |= (3<<10); 9019 bnx2x_cl45_write(bp, phy, 9020 MDIO_PMA_DEVAD, 9021 MDIO_PMA_REG_8727_PCS_GP, val); 9022 } 9023 } else if ((phy->req_line_speed == SPEED_AUTO_NEG) && 9024 ((phy->speed_cap_mask & 9025 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) && 9026 ((phy->speed_cap_mask & 9027 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) != 9028 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) { 9029 9030 DP(NETIF_MSG_LINK, "Setting 1G clause37\n"); 9031 bnx2x_cl45_write(bp, phy, 9032 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0); 9033 bnx2x_cl45_write(bp, phy, 9034 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300); 9035 } else { 9036 /* Since the 8727 has only single reset pin, need to set the 10G 9037 * registers although it is default 9038 */ 9039 bnx2x_cl45_write(bp, phy, 9040 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 9041 0x0020); 9042 bnx2x_cl45_write(bp, phy, 9043 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100); 9044 bnx2x_cl45_write(bp, phy, 9045 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040); 9046 bnx2x_cl45_write(bp, phy, 9047 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 9048 0x0008); 9049 } 9050 } 9051 9052 static int bnx2x_8727_config_init(struct bnx2x_phy *phy, 9053 struct link_params *params, 9054 struct link_vars *vars) 9055 { 9056 u32 tx_en_mode; 9057 u16 tmp1, val, mod_abs, tmp2; 9058 u16 rx_alarm_ctrl_val; 9059 u16 lasi_ctrl_val; 9060 struct bnx2x *bp = params->bp; 9061 /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */ 9062 9063 bnx2x_wait_reset_complete(bp, phy, params); 9064 rx_alarm_ctrl_val = (1<<2) | (1<<5) ; 9065 /* Should be 0x6 to enable XS on Tx side. */ 9066 lasi_ctrl_val = 0x0006; 9067 9068 DP(NETIF_MSG_LINK, "Initializing BCM8727\n"); 9069 /* Enable LASI */ 9070 bnx2x_cl45_write(bp, phy, 9071 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, 9072 rx_alarm_ctrl_val); 9073 bnx2x_cl45_write(bp, phy, 9074 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL, 9075 0); 9076 bnx2x_cl45_write(bp, phy, 9077 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, lasi_ctrl_val); 9078 9079 /* Initially configure MOD_ABS to interrupt when module is 9080 * presence( bit 8) 9081 */ 9082 bnx2x_cl45_read(bp, phy, 9083 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs); 9084 /* Set EDC off by setting OPTXLOS signal input to low (bit 9). 9085 * When the EDC is off it locks onto a reference clock and avoids 9086 * becoming 'lost' 9087 */ 9088 mod_abs &= ~(1<<8); 9089 if (!(phy->flags & FLAGS_NOC)) 9090 mod_abs &= ~(1<<9); 9091 bnx2x_cl45_write(bp, phy, 9092 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs); 9093 9094 9095 /* Enable/Disable PHY transmitter output */ 9096 bnx2x_set_disable_pmd_transmit(params, phy, 0); 9097 9098 /* Make MOD_ABS give interrupt on change */ 9099 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, 9100 &val); 9101 val |= (1<<12); 9102 if (phy->flags & FLAGS_NOC) 9103 val |= (3<<5); 9104 9105 /* Set 8727 GPIOs to input to allow reading from the 8727 GPIO0 9106 * status which reflect SFP+ module over-current 9107 */ 9108 if (!(phy->flags & FLAGS_NOC)) 9109 val &= 0xff8f; /* Reset bits 4-6 */ 9110 bnx2x_cl45_write(bp, phy, 9111 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, val); 9112 9113 bnx2x_8727_power_module(bp, phy, 1); 9114 9115 bnx2x_cl45_read(bp, phy, 9116 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1); 9117 9118 bnx2x_cl45_read(bp, phy, 9119 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1); 9120 9121 bnx2x_8727_config_speed(phy, params); 9122 /* Set 2-wire transfer rate of SFP+ module EEPROM 9123 * to 100Khz since some DACs(direct attached cables) do 9124 * not work at 400Khz. 9125 */ 9126 bnx2x_cl45_write(bp, phy, 9127 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR, 9128 0xa001); 9129 9130 /* Set TX PreEmphasis if needed */ 9131 if ((params->feature_config_flags & 9132 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) { 9133 DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n", 9134 phy->tx_preemphasis[0], 9135 phy->tx_preemphasis[1]); 9136 bnx2x_cl45_write(bp, phy, 9137 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1, 9138 phy->tx_preemphasis[0]); 9139 9140 bnx2x_cl45_write(bp, phy, 9141 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2, 9142 phy->tx_preemphasis[1]); 9143 } 9144 9145 /* If TX Laser is controlled by GPIO_0, do not let PHY go into low 9146 * power mode, if TX Laser is disabled 9147 */ 9148 tx_en_mode = REG_RD(bp, params->shmem_base + 9149 offsetof(struct shmem_region, 9150 dev_info.port_hw_config[params->port].sfp_ctrl)) 9151 & PORT_HW_CFG_TX_LASER_MASK; 9152 9153 if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) { 9154 9155 DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n"); 9156 bnx2x_cl45_read(bp, phy, 9157 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2); 9158 tmp2 |= 0x1000; 9159 tmp2 &= 0xFFEF; 9160 bnx2x_cl45_write(bp, phy, 9161 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2); 9162 bnx2x_cl45_read(bp, phy, 9163 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 9164 &tmp2); 9165 bnx2x_cl45_write(bp, phy, 9166 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 9167 (tmp2 & 0x7fff)); 9168 } 9169 9170 return 0; 9171 } 9172 9173 static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy, 9174 struct link_params *params) 9175 { 9176 struct bnx2x *bp = params->bp; 9177 u16 mod_abs, rx_alarm_status; 9178 u32 val = REG_RD(bp, params->shmem_base + 9179 offsetof(struct shmem_region, dev_info. 9180 port_feature_config[params->port]. 9181 config)); 9182 bnx2x_cl45_read(bp, phy, 9183 MDIO_PMA_DEVAD, 9184 MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs); 9185 if (mod_abs & (1<<8)) { 9186 9187 /* Module is absent */ 9188 DP(NETIF_MSG_LINK, 9189 "MOD_ABS indication show module is absent\n"); 9190 phy->media_type = ETH_PHY_NOT_PRESENT; 9191 /* 1. Set mod_abs to detect next module 9192 * presence event 9193 * 2. Set EDC off by setting OPTXLOS signal input to low 9194 * (bit 9). 9195 * When the EDC is off it locks onto a reference clock and 9196 * avoids becoming 'lost'. 9197 */ 9198 mod_abs &= ~(1<<8); 9199 if (!(phy->flags & FLAGS_NOC)) 9200 mod_abs &= ~(1<<9); 9201 bnx2x_cl45_write(bp, phy, 9202 MDIO_PMA_DEVAD, 9203 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs); 9204 9205 /* Clear RX alarm since it stays up as long as 9206 * the mod_abs wasn't changed 9207 */ 9208 bnx2x_cl45_read(bp, phy, 9209 MDIO_PMA_DEVAD, 9210 MDIO_PMA_LASI_RXSTAT, &rx_alarm_status); 9211 9212 } else { 9213 /* Module is present */ 9214 DP(NETIF_MSG_LINK, 9215 "MOD_ABS indication show module is present\n"); 9216 /* First disable transmitter, and if the module is ok, the 9217 * module_detection will enable it 9218 * 1. Set mod_abs to detect next module absent event ( bit 8) 9219 * 2. Restore the default polarity of the OPRXLOS signal and 9220 * this signal will then correctly indicate the presence or 9221 * absence of the Rx signal. (bit 9) 9222 */ 9223 mod_abs |= (1<<8); 9224 if (!(phy->flags & FLAGS_NOC)) 9225 mod_abs |= (1<<9); 9226 bnx2x_cl45_write(bp, phy, 9227 MDIO_PMA_DEVAD, 9228 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs); 9229 9230 /* Clear RX alarm since it stays up as long as the mod_abs 9231 * wasn't changed. This is need to be done before calling the 9232 * module detection, otherwise it will clear* the link update 9233 * alarm 9234 */ 9235 bnx2x_cl45_read(bp, phy, 9236 MDIO_PMA_DEVAD, 9237 MDIO_PMA_LASI_RXSTAT, &rx_alarm_status); 9238 9239 9240 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) == 9241 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER) 9242 bnx2x_sfp_set_transmitter(params, phy, 0); 9243 9244 if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0) 9245 bnx2x_sfp_module_detection(phy, params); 9246 else 9247 DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n"); 9248 9249 /* Reconfigure link speed based on module type limitations */ 9250 bnx2x_8727_config_speed(phy, params); 9251 } 9252 9253 DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", 9254 rx_alarm_status); 9255 /* No need to check link status in case of module plugged in/out */ 9256 } 9257 9258 static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy, 9259 struct link_params *params, 9260 struct link_vars *vars) 9261 9262 { 9263 struct bnx2x *bp = params->bp; 9264 u8 link_up = 0, oc_port = params->port; 9265 u16 link_status = 0; 9266 u16 rx_alarm_status, lasi_ctrl, val1; 9267 9268 /* If PHY is not initialized, do not check link status */ 9269 bnx2x_cl45_read(bp, phy, 9270 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 9271 &lasi_ctrl); 9272 if (!lasi_ctrl) 9273 return 0; 9274 9275 /* Check the LASI on Rx */ 9276 bnx2x_cl45_read(bp, phy, 9277 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, 9278 &rx_alarm_status); 9279 vars->line_speed = 0; 9280 DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status); 9281 9282 bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT, 9283 MDIO_PMA_LASI_TXCTRL); 9284 9285 bnx2x_cl45_read(bp, phy, 9286 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1); 9287 9288 DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1); 9289 9290 /* Clear MSG-OUT */ 9291 bnx2x_cl45_read(bp, phy, 9292 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1); 9293 9294 /* If a module is present and there is need to check 9295 * for over current 9296 */ 9297 if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) { 9298 /* Check over-current using 8727 GPIO0 input*/ 9299 bnx2x_cl45_read(bp, phy, 9300 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL, 9301 &val1); 9302 9303 if ((val1 & (1<<8)) == 0) { 9304 if (!CHIP_IS_E1x(bp)) 9305 oc_port = BP_PATH(bp) + (params->port << 1); 9306 DP(NETIF_MSG_LINK, 9307 "8727 Power fault has been detected on port %d\n", 9308 oc_port); 9309 netdev_err(bp->dev, "Error: Power fault on Port %d has " 9310 "been detected and the power to " 9311 "that SFP+ module has been removed " 9312 "to prevent failure of the card. " 9313 "Please remove the SFP+ module and " 9314 "restart the system to clear this " 9315 "error.\n", 9316 oc_port); 9317 /* Disable all RX_ALARMs except for mod_abs */ 9318 bnx2x_cl45_write(bp, phy, 9319 MDIO_PMA_DEVAD, 9320 MDIO_PMA_LASI_RXCTRL, (1<<5)); 9321 9322 bnx2x_cl45_read(bp, phy, 9323 MDIO_PMA_DEVAD, 9324 MDIO_PMA_REG_PHY_IDENTIFIER, &val1); 9325 /* Wait for module_absent_event */ 9326 val1 |= (1<<8); 9327 bnx2x_cl45_write(bp, phy, 9328 MDIO_PMA_DEVAD, 9329 MDIO_PMA_REG_PHY_IDENTIFIER, val1); 9330 /* Clear RX alarm */ 9331 bnx2x_cl45_read(bp, phy, 9332 MDIO_PMA_DEVAD, 9333 MDIO_PMA_LASI_RXSTAT, &rx_alarm_status); 9334 return 0; 9335 } 9336 } /* Over current check */ 9337 9338 /* When module absent bit is set, check module */ 9339 if (rx_alarm_status & (1<<5)) { 9340 bnx2x_8727_handle_mod_abs(phy, params); 9341 /* Enable all mod_abs and link detection bits */ 9342 bnx2x_cl45_write(bp, phy, 9343 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, 9344 ((1<<5) | (1<<2))); 9345 } 9346 9347 if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) { 9348 DP(NETIF_MSG_LINK, "Enabling 8727 TX laser\n"); 9349 bnx2x_sfp_set_transmitter(params, phy, 1); 9350 } else { 9351 DP(NETIF_MSG_LINK, "Tx is disabled\n"); 9352 return 0; 9353 } 9354 9355 bnx2x_cl45_read(bp, phy, 9356 MDIO_PMA_DEVAD, 9357 MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status); 9358 9359 /* Bits 0..2 --> speed detected, 9360 * Bits 13..15--> link is down 9361 */ 9362 if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) { 9363 link_up = 1; 9364 vars->line_speed = SPEED_10000; 9365 DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n", 9366 params->port); 9367 } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) { 9368 link_up = 1; 9369 vars->line_speed = SPEED_1000; 9370 DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n", 9371 params->port); 9372 } else { 9373 link_up = 0; 9374 DP(NETIF_MSG_LINK, "port %x: External link is down\n", 9375 params->port); 9376 } 9377 9378 /* Capture 10G link fault. */ 9379 if (vars->line_speed == SPEED_10000) { 9380 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 9381 MDIO_PMA_LASI_TXSTAT, &val1); 9382 9383 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 9384 MDIO_PMA_LASI_TXSTAT, &val1); 9385 9386 if (val1 & (1<<0)) { 9387 vars->fault_detected = 1; 9388 } 9389 } 9390 9391 if (link_up) { 9392 bnx2x_ext_phy_resolve_fc(phy, params, vars); 9393 vars->duplex = DUPLEX_FULL; 9394 DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex); 9395 } 9396 9397 if ((DUAL_MEDIA(params)) && 9398 (phy->req_line_speed == SPEED_1000)) { 9399 bnx2x_cl45_read(bp, phy, 9400 MDIO_PMA_DEVAD, 9401 MDIO_PMA_REG_8727_PCS_GP, &val1); 9402 /* In case of dual-media board and 1G, power up the XAUI side, 9403 * otherwise power it down. For 10G it is done automatically 9404 */ 9405 if (link_up) 9406 val1 &= ~(3<<10); 9407 else 9408 val1 |= (3<<10); 9409 bnx2x_cl45_write(bp, phy, 9410 MDIO_PMA_DEVAD, 9411 MDIO_PMA_REG_8727_PCS_GP, val1); 9412 } 9413 return link_up; 9414 } 9415 9416 static void bnx2x_8727_link_reset(struct bnx2x_phy *phy, 9417 struct link_params *params) 9418 { 9419 struct bnx2x *bp = params->bp; 9420 9421 /* Enable/Disable PHY transmitter output */ 9422 bnx2x_set_disable_pmd_transmit(params, phy, 1); 9423 9424 /* Disable Transmitter */ 9425 bnx2x_sfp_set_transmitter(params, phy, 0); 9426 /* Clear LASI */ 9427 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0); 9428 9429 } 9430 9431 /******************************************************************/ 9432 /* BCM8481/BCM84823/BCM84833 PHY SECTION */ 9433 /******************************************************************/ 9434 static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy, 9435 struct bnx2x *bp, 9436 u8 port) 9437 { 9438 u16 val, fw_ver1, fw_ver2, cnt; 9439 9440 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) { 9441 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1); 9442 bnx2x_save_spirom_version(bp, port, fw_ver1 & 0xfff, 9443 phy->ver_addr); 9444 } else { 9445 /* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */ 9446 /* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */ 9447 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0014); 9448 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200); 9449 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B, 0x0000); 9450 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C, 0x0300); 9451 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x0009); 9452 9453 for (cnt = 0; cnt < 100; cnt++) { 9454 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val); 9455 if (val & 1) 9456 break; 9457 udelay(5); 9458 } 9459 if (cnt == 100) { 9460 DP(NETIF_MSG_LINK, "Unable to read 848xx " 9461 "phy fw version(1)\n"); 9462 bnx2x_save_spirom_version(bp, port, 0, 9463 phy->ver_addr); 9464 return; 9465 } 9466 9467 9468 /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */ 9469 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000); 9470 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200); 9471 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A); 9472 for (cnt = 0; cnt < 100; cnt++) { 9473 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val); 9474 if (val & 1) 9475 break; 9476 udelay(5); 9477 } 9478 if (cnt == 100) { 9479 DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw " 9480 "version(2)\n"); 9481 bnx2x_save_spirom_version(bp, port, 0, 9482 phy->ver_addr); 9483 return; 9484 } 9485 9486 /* lower 16 bits of the register SPI_FW_STATUS */ 9487 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1); 9488 /* upper 16 bits of register SPI_FW_STATUS */ 9489 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2); 9490 9491 bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1, 9492 phy->ver_addr); 9493 } 9494 9495 } 9496 static void bnx2x_848xx_set_led(struct bnx2x *bp, 9497 struct bnx2x_phy *phy) 9498 { 9499 u16 val, offset; 9500 9501 /* PHYC_CTL_LED_CTL */ 9502 bnx2x_cl45_read(bp, phy, 9503 MDIO_PMA_DEVAD, 9504 MDIO_PMA_REG_8481_LINK_SIGNAL, &val); 9505 val &= 0xFE00; 9506 val |= 0x0092; 9507 9508 bnx2x_cl45_write(bp, phy, 9509 MDIO_PMA_DEVAD, 9510 MDIO_PMA_REG_8481_LINK_SIGNAL, val); 9511 9512 bnx2x_cl45_write(bp, phy, 9513 MDIO_PMA_DEVAD, 9514 MDIO_PMA_REG_8481_LED1_MASK, 9515 0x80); 9516 9517 bnx2x_cl45_write(bp, phy, 9518 MDIO_PMA_DEVAD, 9519 MDIO_PMA_REG_8481_LED2_MASK, 9520 0x18); 9521 9522 /* Select activity source by Tx and Rx, as suggested by PHY AE */ 9523 bnx2x_cl45_write(bp, phy, 9524 MDIO_PMA_DEVAD, 9525 MDIO_PMA_REG_8481_LED3_MASK, 9526 0x0006); 9527 9528 /* Select the closest activity blink rate to that in 10/100/1000 */ 9529 bnx2x_cl45_write(bp, phy, 9530 MDIO_PMA_DEVAD, 9531 MDIO_PMA_REG_8481_LED3_BLINK, 9532 0); 9533 9534 /* Configure the blink rate to ~15.9 Hz */ 9535 bnx2x_cl45_write(bp, phy, 9536 MDIO_PMA_DEVAD, 9537 MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH, 9538 MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ); 9539 9540 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) 9541 offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1; 9542 else 9543 offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1; 9544 9545 bnx2x_cl45_read(bp, phy, 9546 MDIO_PMA_DEVAD, offset, &val); 9547 val |= MDIO_PMA_REG_84823_LED3_STRETCH_EN; /* stretch_en for LED3*/ 9548 bnx2x_cl45_write(bp, phy, 9549 MDIO_PMA_DEVAD, offset, val); 9550 9551 /* 'Interrupt Mask' */ 9552 bnx2x_cl45_write(bp, phy, 9553 MDIO_AN_DEVAD, 9554 0xFFFB, 0xFFFD); 9555 } 9556 9557 static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy, 9558 struct link_params *params, 9559 struct link_vars *vars) 9560 { 9561 struct bnx2x *bp = params->bp; 9562 u16 autoneg_val, an_1000_val, an_10_100_val, an_10g_val; 9563 9564 if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) { 9565 /* Save spirom version */ 9566 bnx2x_save_848xx_spirom_version(phy, bp, params->port); 9567 } 9568 /* This phy uses the NIG latch mechanism since link indication 9569 * arrives through its LED4 and not via its LASI signal, so we 9570 * get steady signal instead of clear on read 9571 */ 9572 bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4, 9573 1 << NIG_LATCH_BC_ENABLE_MI_INT); 9574 9575 bnx2x_cl45_write(bp, phy, 9576 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000); 9577 9578 bnx2x_848xx_set_led(bp, phy); 9579 9580 /* set 1000 speed advertisement */ 9581 bnx2x_cl45_read(bp, phy, 9582 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL, 9583 &an_1000_val); 9584 9585 bnx2x_ext_phy_set_pause(params, phy, vars); 9586 bnx2x_cl45_read(bp, phy, 9587 MDIO_AN_DEVAD, 9588 MDIO_AN_REG_8481_LEGACY_AN_ADV, 9589 &an_10_100_val); 9590 bnx2x_cl45_read(bp, phy, 9591 MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL, 9592 &autoneg_val); 9593 /* Disable forced speed */ 9594 autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13)); 9595 an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8)); 9596 9597 if (((phy->req_line_speed == SPEED_AUTO_NEG) && 9598 (phy->speed_cap_mask & 9599 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) || 9600 (phy->req_line_speed == SPEED_1000)) { 9601 an_1000_val |= (1<<8); 9602 autoneg_val |= (1<<9 | 1<<12); 9603 if (phy->req_duplex == DUPLEX_FULL) 9604 an_1000_val |= (1<<9); 9605 DP(NETIF_MSG_LINK, "Advertising 1G\n"); 9606 } else 9607 an_1000_val &= ~((1<<8) | (1<<9)); 9608 9609 bnx2x_cl45_write(bp, phy, 9610 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL, 9611 an_1000_val); 9612 9613 /* set 100 speed advertisement */ 9614 if ((phy->req_line_speed == SPEED_AUTO_NEG) && 9615 (phy->speed_cap_mask & 9616 (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL | 9617 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))) { 9618 an_10_100_val |= (1<<7); 9619 /* Enable autoneg and restart autoneg for legacy speeds */ 9620 autoneg_val |= (1<<9 | 1<<12); 9621 9622 if (phy->req_duplex == DUPLEX_FULL) 9623 an_10_100_val |= (1<<8); 9624 DP(NETIF_MSG_LINK, "Advertising 100M\n"); 9625 } 9626 /* set 10 speed advertisement */ 9627 if (((phy->req_line_speed == SPEED_AUTO_NEG) && 9628 (phy->speed_cap_mask & 9629 (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL | 9630 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)) && 9631 (phy->supported & 9632 (SUPPORTED_10baseT_Half | 9633 SUPPORTED_10baseT_Full)))) { 9634 an_10_100_val |= (1<<5); 9635 autoneg_val |= (1<<9 | 1<<12); 9636 if (phy->req_duplex == DUPLEX_FULL) 9637 an_10_100_val |= (1<<6); 9638 DP(NETIF_MSG_LINK, "Advertising 10M\n"); 9639 } 9640 9641 /* Only 10/100 are allowed to work in FORCE mode */ 9642 if ((phy->req_line_speed == SPEED_100) && 9643 (phy->supported & 9644 (SUPPORTED_100baseT_Half | 9645 SUPPORTED_100baseT_Full))) { 9646 autoneg_val |= (1<<13); 9647 /* Enabled AUTO-MDIX when autoneg is disabled */ 9648 bnx2x_cl45_write(bp, phy, 9649 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL, 9650 (1<<15 | 1<<9 | 7<<0)); 9651 /* The PHY needs this set even for forced link. */ 9652 an_10_100_val |= (1<<8) | (1<<7); 9653 DP(NETIF_MSG_LINK, "Setting 100M force\n"); 9654 } 9655 if ((phy->req_line_speed == SPEED_10) && 9656 (phy->supported & 9657 (SUPPORTED_10baseT_Half | 9658 SUPPORTED_10baseT_Full))) { 9659 /* Enabled AUTO-MDIX when autoneg is disabled */ 9660 bnx2x_cl45_write(bp, phy, 9661 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL, 9662 (1<<15 | 1<<9 | 7<<0)); 9663 DP(NETIF_MSG_LINK, "Setting 10M force\n"); 9664 } 9665 9666 bnx2x_cl45_write(bp, phy, 9667 MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV, 9668 an_10_100_val); 9669 9670 if (phy->req_duplex == DUPLEX_FULL) 9671 autoneg_val |= (1<<8); 9672 9673 /* Always write this if this is not 84833. 9674 * For 84833, write it only when it's a forced speed. 9675 */ 9676 if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) || 9677 ((autoneg_val & (1<<12)) == 0)) 9678 bnx2x_cl45_write(bp, phy, 9679 MDIO_AN_DEVAD, 9680 MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val); 9681 9682 if (((phy->req_line_speed == SPEED_AUTO_NEG) && 9683 (phy->speed_cap_mask & 9684 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) || 9685 (phy->req_line_speed == SPEED_10000)) { 9686 DP(NETIF_MSG_LINK, "Advertising 10G\n"); 9687 /* Restart autoneg for 10G*/ 9688 9689 bnx2x_cl45_read(bp, phy, 9690 MDIO_AN_DEVAD, 9691 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL, 9692 &an_10g_val); 9693 bnx2x_cl45_write(bp, phy, 9694 MDIO_AN_DEVAD, 9695 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL, 9696 an_10g_val | 0x1000); 9697 bnx2x_cl45_write(bp, phy, 9698 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 9699 0x3200); 9700 } else 9701 bnx2x_cl45_write(bp, phy, 9702 MDIO_AN_DEVAD, 9703 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL, 9704 1); 9705 9706 return 0; 9707 } 9708 9709 static int bnx2x_8481_config_init(struct bnx2x_phy *phy, 9710 struct link_params *params, 9711 struct link_vars *vars) 9712 { 9713 struct bnx2x *bp = params->bp; 9714 /* Restore normal power mode*/ 9715 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, 9716 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port); 9717 9718 /* HW reset */ 9719 bnx2x_ext_phy_hw_reset(bp, params->port); 9720 bnx2x_wait_reset_complete(bp, phy, params); 9721 9722 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15); 9723 return bnx2x_848xx_cmn_config_init(phy, params, vars); 9724 } 9725 9726 #define PHY84833_CMDHDLR_WAIT 300 9727 #define PHY84833_CMDHDLR_MAX_ARGS 5 9728 static int bnx2x_84833_cmd_hdlr(struct bnx2x_phy *phy, 9729 struct link_params *params, 9730 u16 fw_cmd, 9731 u16 cmd_args[], int argc) 9732 { 9733 int idx; 9734 u16 val; 9735 struct bnx2x *bp = params->bp; 9736 /* Write CMD_OPEN_OVERRIDE to STATUS reg */ 9737 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD, 9738 MDIO_84833_CMD_HDLR_STATUS, 9739 PHY84833_STATUS_CMD_OPEN_OVERRIDE); 9740 for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) { 9741 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 9742 MDIO_84833_CMD_HDLR_STATUS, &val); 9743 if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS) 9744 break; 9745 usleep_range(1000, 2000); 9746 } 9747 if (idx >= PHY84833_CMDHDLR_WAIT) { 9748 DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n"); 9749 return -EINVAL; 9750 } 9751 9752 /* Prepare argument(s) and issue command */ 9753 for (idx = 0; idx < argc; idx++) { 9754 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD, 9755 MDIO_84833_CMD_HDLR_DATA1 + idx, 9756 cmd_args[idx]); 9757 } 9758 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD, 9759 MDIO_84833_CMD_HDLR_COMMAND, fw_cmd); 9760 for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) { 9761 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 9762 MDIO_84833_CMD_HDLR_STATUS, &val); 9763 if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) || 9764 (val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) 9765 break; 9766 usleep_range(1000, 2000); 9767 } 9768 if ((idx >= PHY84833_CMDHDLR_WAIT) || 9769 (val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) { 9770 DP(NETIF_MSG_LINK, "FW cmd failed.\n"); 9771 return -EINVAL; 9772 } 9773 /* Gather returning data */ 9774 for (idx = 0; idx < argc; idx++) { 9775 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 9776 MDIO_84833_CMD_HDLR_DATA1 + idx, 9777 &cmd_args[idx]); 9778 } 9779 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD, 9780 MDIO_84833_CMD_HDLR_STATUS, 9781 PHY84833_STATUS_CMD_CLEAR_COMPLETE); 9782 return 0; 9783 } 9784 9785 9786 static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy, 9787 struct link_params *params, 9788 struct link_vars *vars) 9789 { 9790 u32 pair_swap; 9791 u16 data[PHY84833_CMDHDLR_MAX_ARGS]; 9792 int status; 9793 struct bnx2x *bp = params->bp; 9794 9795 /* Check for configuration. */ 9796 pair_swap = REG_RD(bp, params->shmem_base + 9797 offsetof(struct shmem_region, 9798 dev_info.port_hw_config[params->port].xgbt_phy_cfg)) & 9799 PORT_HW_CFG_RJ45_PAIR_SWAP_MASK; 9800 9801 if (pair_swap == 0) 9802 return 0; 9803 9804 /* Only the second argument is used for this command */ 9805 data[1] = (u16)pair_swap; 9806 9807 status = bnx2x_84833_cmd_hdlr(phy, params, 9808 PHY84833_CMD_SET_PAIR_SWAP, data, PHY84833_CMDHDLR_MAX_ARGS); 9809 if (status == 0) 9810 DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data[1]); 9811 9812 return status; 9813 } 9814 9815 static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp, 9816 u32 shmem_base_path[], 9817 u32 chip_id) 9818 { 9819 u32 reset_pin[2]; 9820 u32 idx; 9821 u8 reset_gpios; 9822 if (CHIP_IS_E3(bp)) { 9823 /* Assume that these will be GPIOs, not EPIOs. */ 9824 for (idx = 0; idx < 2; idx++) { 9825 /* Map config param to register bit. */ 9826 reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] + 9827 offsetof(struct shmem_region, 9828 dev_info.port_hw_config[0].e3_cmn_pin_cfg)); 9829 reset_pin[idx] = (reset_pin[idx] & 9830 PORT_HW_CFG_E3_PHY_RESET_MASK) >> 9831 PORT_HW_CFG_E3_PHY_RESET_SHIFT; 9832 reset_pin[idx] -= PIN_CFG_GPIO0_P0; 9833 reset_pin[idx] = (1 << reset_pin[idx]); 9834 } 9835 reset_gpios = (u8)(reset_pin[0] | reset_pin[1]); 9836 } else { 9837 /* E2, look from diff place of shmem. */ 9838 for (idx = 0; idx < 2; idx++) { 9839 reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] + 9840 offsetof(struct shmem_region, 9841 dev_info.port_hw_config[0].default_cfg)); 9842 reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK; 9843 reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0; 9844 reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT; 9845 reset_pin[idx] = (1 << reset_pin[idx]); 9846 } 9847 reset_gpios = (u8)(reset_pin[0] | reset_pin[1]); 9848 } 9849 9850 return reset_gpios; 9851 } 9852 9853 static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy, 9854 struct link_params *params) 9855 { 9856 struct bnx2x *bp = params->bp; 9857 u8 reset_gpios; 9858 u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base + 9859 offsetof(struct shmem2_region, 9860 other_shmem_base_addr)); 9861 9862 u32 shmem_base_path[2]; 9863 9864 /* Work around for 84833 LED failure inside RESET status */ 9865 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, 9866 MDIO_AN_REG_8481_LEGACY_MII_CTRL, 9867 MDIO_AN_REG_8481_MII_CTRL_FORCE_1G); 9868 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, 9869 MDIO_AN_REG_8481_1G_100T_EXT_CTRL, 9870 MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF); 9871 9872 shmem_base_path[0] = params->shmem_base; 9873 shmem_base_path[1] = other_shmem_base_addr; 9874 9875 reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, 9876 params->chip_id); 9877 9878 bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW); 9879 udelay(10); 9880 DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n", 9881 reset_gpios); 9882 9883 return 0; 9884 } 9885 9886 static int bnx2x_8483x_eee_timers(struct link_params *params, 9887 struct link_vars *vars) 9888 { 9889 u32 eee_idle = 0, eee_mode; 9890 struct bnx2x *bp = params->bp; 9891 9892 eee_idle = bnx2x_eee_calc_timer(params); 9893 9894 if (eee_idle) { 9895 REG_WR(bp, MISC_REG_CPMU_LP_IDLE_THR_P0 + (params->port << 2), 9896 eee_idle); 9897 } else if ((params->eee_mode & EEE_MODE_ENABLE_LPI) && 9898 (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) && 9899 (params->eee_mode & EEE_MODE_OUTPUT_TIME)) { 9900 DP(NETIF_MSG_LINK, "Error: Tx LPI is enabled with timer 0\n"); 9901 return -EINVAL; 9902 } 9903 9904 vars->eee_status &= ~(SHMEM_EEE_TIMER_MASK | SHMEM_EEE_TIME_OUTPUT_BIT); 9905 if (params->eee_mode & EEE_MODE_OUTPUT_TIME) { 9906 /* eee_idle in 1u --> eee_status in 16u */ 9907 eee_idle >>= 4; 9908 vars->eee_status |= (eee_idle & SHMEM_EEE_TIMER_MASK) | 9909 SHMEM_EEE_TIME_OUTPUT_BIT; 9910 } else { 9911 if (bnx2x_eee_time_to_nvram(eee_idle, &eee_mode)) 9912 return -EINVAL; 9913 vars->eee_status |= eee_mode; 9914 } 9915 9916 return 0; 9917 } 9918 9919 static int bnx2x_8483x_disable_eee(struct bnx2x_phy *phy, 9920 struct link_params *params, 9921 struct link_vars *vars) 9922 { 9923 int rc; 9924 struct bnx2x *bp = params->bp; 9925 u16 cmd_args = 0; 9926 9927 DP(NETIF_MSG_LINK, "Don't Advertise 10GBase-T EEE\n"); 9928 9929 /* Make Certain LPI is disabled */ 9930 REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2), 0); 9931 REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 0); 9932 9933 /* Prevent Phy from working in EEE and advertising it */ 9934 rc = bnx2x_84833_cmd_hdlr(phy, params, 9935 PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1); 9936 if (rc) { 9937 DP(NETIF_MSG_LINK, "EEE disable failed.\n"); 9938 return rc; 9939 } 9940 9941 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, 0); 9942 vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK; 9943 9944 return 0; 9945 } 9946 9947 static int bnx2x_8483x_enable_eee(struct bnx2x_phy *phy, 9948 struct link_params *params, 9949 struct link_vars *vars) 9950 { 9951 int rc; 9952 struct bnx2x *bp = params->bp; 9953 u16 cmd_args = 1; 9954 9955 DP(NETIF_MSG_LINK, "Advertise 10GBase-T EEE\n"); 9956 9957 rc = bnx2x_84833_cmd_hdlr(phy, params, 9958 PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1); 9959 if (rc) { 9960 DP(NETIF_MSG_LINK, "EEE enable failed.\n"); 9961 return rc; 9962 } 9963 9964 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, 0x8); 9965 9966 /* Mask events preventing LPI generation */ 9967 REG_WR(bp, MISC_REG_CPMU_LP_MASK_EXT_P0 + (params->port << 2), 0xfc20); 9968 9969 vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK; 9970 vars->eee_status |= (SHMEM_EEE_10G_ADV << SHMEM_EEE_ADV_STATUS_SHIFT); 9971 9972 return 0; 9973 } 9974 9975 #define PHY84833_CONSTANT_LATENCY 1193 9976 static int bnx2x_848x3_config_init(struct bnx2x_phy *phy, 9977 struct link_params *params, 9978 struct link_vars *vars) 9979 { 9980 struct bnx2x *bp = params->bp; 9981 u8 port, initialize = 1; 9982 u16 val; 9983 u32 actual_phy_selection, cms_enable; 9984 u16 cmd_args[PHY84833_CMDHDLR_MAX_ARGS]; 9985 int rc = 0; 9986 9987 usleep_range(1000, 2000); 9988 9989 if (!(CHIP_IS_E1x(bp))) 9990 port = BP_PATH(bp); 9991 else 9992 port = params->port; 9993 9994 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) { 9995 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3, 9996 MISC_REGISTERS_GPIO_OUTPUT_HIGH, 9997 port); 9998 } else { 9999 /* MDIO reset */ 10000 bnx2x_cl45_write(bp, phy, 10001 MDIO_PMA_DEVAD, 10002 MDIO_PMA_REG_CTRL, 0x8000); 10003 } 10004 10005 bnx2x_wait_reset_complete(bp, phy, params); 10006 10007 /* Wait for GPHY to come out of reset */ 10008 msleep(50); 10009 if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) { 10010 /* BCM84823 requires that XGXS links up first @ 10G for normal 10011 * behavior. 10012 */ 10013 u16 temp; 10014 temp = vars->line_speed; 10015 vars->line_speed = SPEED_10000; 10016 bnx2x_set_autoneg(¶ms->phy[INT_PHY], params, vars, 0); 10017 bnx2x_program_serdes(¶ms->phy[INT_PHY], params, vars); 10018 vars->line_speed = temp; 10019 } 10020 10021 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 10022 MDIO_CTL_REG_84823_MEDIA, &val); 10023 val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK | 10024 MDIO_CTL_REG_84823_MEDIA_LINE_MASK | 10025 MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN | 10026 MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK | 10027 MDIO_CTL_REG_84823_MEDIA_FIBER_1G); 10028 10029 if (CHIP_IS_E3(bp)) { 10030 val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK | 10031 MDIO_CTL_REG_84823_MEDIA_LINE_MASK); 10032 } else { 10033 val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI | 10034 MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L); 10035 } 10036 10037 actual_phy_selection = bnx2x_phy_selection(params); 10038 10039 switch (actual_phy_selection) { 10040 case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT: 10041 /* Do nothing. Essentially this is like the priority copper */ 10042 break; 10043 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY: 10044 val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER; 10045 break; 10046 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY: 10047 val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER; 10048 break; 10049 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY: 10050 /* Do nothing here. The first PHY won't be initialized at all */ 10051 break; 10052 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY: 10053 val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN; 10054 initialize = 0; 10055 break; 10056 } 10057 if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000) 10058 val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G; 10059 10060 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD, 10061 MDIO_CTL_REG_84823_MEDIA, val); 10062 DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n", 10063 params->multi_phy_config, val); 10064 10065 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) { 10066 bnx2x_84833_pair_swap_cfg(phy, params, vars); 10067 10068 /* Keep AutogrEEEn disabled. */ 10069 cmd_args[0] = 0x0; 10070 cmd_args[1] = 0x0; 10071 cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1; 10072 cmd_args[3] = PHY84833_CONSTANT_LATENCY; 10073 rc = bnx2x_84833_cmd_hdlr(phy, params, 10074 PHY84833_CMD_SET_EEE_MODE, cmd_args, 10075 PHY84833_CMDHDLR_MAX_ARGS); 10076 if (rc) 10077 DP(NETIF_MSG_LINK, "Cfg AutogrEEEn failed.\n"); 10078 } 10079 if (initialize) 10080 rc = bnx2x_848xx_cmn_config_init(phy, params, vars); 10081 else 10082 bnx2x_save_848xx_spirom_version(phy, bp, params->port); 10083 /* 84833 PHY has a better feature and doesn't need to support this. */ 10084 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) { 10085 cms_enable = REG_RD(bp, params->shmem_base + 10086 offsetof(struct shmem_region, 10087 dev_info.port_hw_config[params->port].default_cfg)) & 10088 PORT_HW_CFG_ENABLE_CMS_MASK; 10089 10090 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 10091 MDIO_CTL_REG_84823_USER_CTRL_REG, &val); 10092 if (cms_enable) 10093 val |= MDIO_CTL_REG_84823_USER_CTRL_CMS; 10094 else 10095 val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS; 10096 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD, 10097 MDIO_CTL_REG_84823_USER_CTRL_REG, val); 10098 } 10099 10100 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 10101 MDIO_84833_TOP_CFG_FW_REV, &val); 10102 10103 /* Configure EEE support */ 10104 if ((val >= MDIO_84833_TOP_CFG_FW_EEE) && bnx2x_eee_has_cap(params)) { 10105 phy->flags |= FLAGS_EEE_10GBT; 10106 vars->eee_status |= SHMEM_EEE_10G_ADV << 10107 SHMEM_EEE_SUPPORTED_SHIFT; 10108 /* Propogate params' bits --> vars (for migration exposure) */ 10109 if (params->eee_mode & EEE_MODE_ENABLE_LPI) 10110 vars->eee_status |= SHMEM_EEE_LPI_REQUESTED_BIT; 10111 else 10112 vars->eee_status &= ~SHMEM_EEE_LPI_REQUESTED_BIT; 10113 10114 if (params->eee_mode & EEE_MODE_ADV_LPI) 10115 vars->eee_status |= SHMEM_EEE_REQUESTED_BIT; 10116 else 10117 vars->eee_status &= ~SHMEM_EEE_REQUESTED_BIT; 10118 10119 rc = bnx2x_8483x_eee_timers(params, vars); 10120 if (rc) { 10121 DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n"); 10122 bnx2x_8483x_disable_eee(phy, params, vars); 10123 return rc; 10124 } 10125 10126 if ((params->req_duplex[actual_phy_selection] == DUPLEX_FULL) && 10127 (params->eee_mode & EEE_MODE_ADV_LPI) && 10128 (bnx2x_eee_calc_timer(params) || 10129 !(params->eee_mode & EEE_MODE_ENABLE_LPI))) 10130 rc = bnx2x_8483x_enable_eee(phy, params, vars); 10131 else 10132 rc = bnx2x_8483x_disable_eee(phy, params, vars); 10133 if (rc) { 10134 DP(NETIF_MSG_LINK, "Failed to set EEE advertisment\n"); 10135 return rc; 10136 } 10137 } else { 10138 phy->flags &= ~FLAGS_EEE_10GBT; 10139 vars->eee_status &= ~SHMEM_EEE_SUPPORTED_MASK; 10140 } 10141 10142 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) { 10143 /* Bring PHY out of super isolate mode as the final step. */ 10144 bnx2x_cl45_read(bp, phy, 10145 MDIO_CTL_DEVAD, 10146 MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val); 10147 val &= ~MDIO_84833_SUPER_ISOLATE; 10148 bnx2x_cl45_write(bp, phy, 10149 MDIO_CTL_DEVAD, 10150 MDIO_84833_TOP_CFG_XGPHY_STRAP1, val); 10151 } 10152 return rc; 10153 } 10154 10155 static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy, 10156 struct link_params *params, 10157 struct link_vars *vars) 10158 { 10159 struct bnx2x *bp = params->bp; 10160 u16 val, val1, val2; 10161 u8 link_up = 0; 10162 10163 10164 /* Check 10G-BaseT link status */ 10165 /* Check PMD signal ok */ 10166 bnx2x_cl45_read(bp, phy, 10167 MDIO_AN_DEVAD, 0xFFFA, &val1); 10168 bnx2x_cl45_read(bp, phy, 10169 MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL, 10170 &val2); 10171 DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2); 10172 10173 /* Check link 10G */ 10174 if (val2 & (1<<11)) { 10175 vars->line_speed = SPEED_10000; 10176 vars->duplex = DUPLEX_FULL; 10177 link_up = 1; 10178 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars); 10179 } else { /* Check Legacy speed link */ 10180 u16 legacy_status, legacy_speed; 10181 10182 /* Enable expansion register 0x42 (Operation mode status) */ 10183 bnx2x_cl45_write(bp, phy, 10184 MDIO_AN_DEVAD, 10185 MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42); 10186 10187 /* Get legacy speed operation status */ 10188 bnx2x_cl45_read(bp, phy, 10189 MDIO_AN_DEVAD, 10190 MDIO_AN_REG_8481_EXPANSION_REG_RD_RW, 10191 &legacy_status); 10192 10193 DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n", 10194 legacy_status); 10195 link_up = ((legacy_status & (1<<11)) == (1<<11)); 10196 legacy_speed = (legacy_status & (3<<9)); 10197 if (legacy_speed == (0<<9)) 10198 vars->line_speed = SPEED_10; 10199 else if (legacy_speed == (1<<9)) 10200 vars->line_speed = SPEED_100; 10201 else if (legacy_speed == (2<<9)) 10202 vars->line_speed = SPEED_1000; 10203 else { /* Should not happen: Treat as link down */ 10204 vars->line_speed = 0; 10205 link_up = 0; 10206 } 10207 10208 if (link_up) { 10209 if (legacy_status & (1<<8)) 10210 vars->duplex = DUPLEX_FULL; 10211 else 10212 vars->duplex = DUPLEX_HALF; 10213 10214 DP(NETIF_MSG_LINK, 10215 "Link is up in %dMbps, is_duplex_full= %d\n", 10216 vars->line_speed, 10217 (vars->duplex == DUPLEX_FULL)); 10218 /* Check legacy speed AN resolution */ 10219 bnx2x_cl45_read(bp, phy, 10220 MDIO_AN_DEVAD, 10221 MDIO_AN_REG_8481_LEGACY_MII_STATUS, 10222 &val); 10223 if (val & (1<<5)) 10224 vars->link_status |= 10225 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE; 10226 bnx2x_cl45_read(bp, phy, 10227 MDIO_AN_DEVAD, 10228 MDIO_AN_REG_8481_LEGACY_AN_EXPANSION, 10229 &val); 10230 if ((val & (1<<0)) == 0) 10231 vars->link_status |= 10232 LINK_STATUS_PARALLEL_DETECTION_USED; 10233 } 10234 } 10235 if (link_up) { 10236 DP(NETIF_MSG_LINK, "BCM848x3: link speed is %d\n", 10237 vars->line_speed); 10238 bnx2x_ext_phy_resolve_fc(phy, params, vars); 10239 10240 /* Read LP advertised speeds */ 10241 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, 10242 MDIO_AN_REG_CL37_FC_LP, &val); 10243 if (val & (1<<5)) 10244 vars->link_status |= 10245 LINK_STATUS_LINK_PARTNER_10THD_CAPABLE; 10246 if (val & (1<<6)) 10247 vars->link_status |= 10248 LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE; 10249 if (val & (1<<7)) 10250 vars->link_status |= 10251 LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE; 10252 if (val & (1<<8)) 10253 vars->link_status |= 10254 LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE; 10255 if (val & (1<<9)) 10256 vars->link_status |= 10257 LINK_STATUS_LINK_PARTNER_100T4_CAPABLE; 10258 10259 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, 10260 MDIO_AN_REG_1000T_STATUS, &val); 10261 10262 if (val & (1<<10)) 10263 vars->link_status |= 10264 LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE; 10265 if (val & (1<<11)) 10266 vars->link_status |= 10267 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE; 10268 10269 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, 10270 MDIO_AN_REG_MASTER_STATUS, &val); 10271 10272 if (val & (1<<11)) 10273 vars->link_status |= 10274 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE; 10275 10276 /* Determine if EEE was negotiated */ 10277 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) { 10278 u32 eee_shmem = 0; 10279 10280 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, 10281 MDIO_AN_REG_EEE_ADV, &val1); 10282 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, 10283 MDIO_AN_REG_LP_EEE_ADV, &val2); 10284 if ((val1 & val2) & 0x8) { 10285 DP(NETIF_MSG_LINK, "EEE negotiated\n"); 10286 vars->eee_status |= SHMEM_EEE_ACTIVE_BIT; 10287 } 10288 10289 if (val2 & 0x12) 10290 eee_shmem |= SHMEM_EEE_100M_ADV; 10291 if (val2 & 0x4) 10292 eee_shmem |= SHMEM_EEE_1G_ADV; 10293 if (val2 & 0x68) 10294 eee_shmem |= SHMEM_EEE_10G_ADV; 10295 10296 vars->eee_status &= ~SHMEM_EEE_LP_ADV_STATUS_MASK; 10297 vars->eee_status |= (eee_shmem << 10298 SHMEM_EEE_LP_ADV_STATUS_SHIFT); 10299 } 10300 } 10301 10302 return link_up; 10303 } 10304 10305 10306 static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len) 10307 { 10308 int status = 0; 10309 u32 spirom_ver; 10310 spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F); 10311 status = bnx2x_format_ver(spirom_ver, str, len); 10312 return status; 10313 } 10314 10315 static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy, 10316 struct link_params *params) 10317 { 10318 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1, 10319 MISC_REGISTERS_GPIO_OUTPUT_LOW, 0); 10320 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1, 10321 MISC_REGISTERS_GPIO_OUTPUT_LOW, 1); 10322 } 10323 10324 static void bnx2x_8481_link_reset(struct bnx2x_phy *phy, 10325 struct link_params *params) 10326 { 10327 bnx2x_cl45_write(params->bp, phy, 10328 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000); 10329 bnx2x_cl45_write(params->bp, phy, 10330 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1); 10331 } 10332 10333 static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy, 10334 struct link_params *params) 10335 { 10336 struct bnx2x *bp = params->bp; 10337 u8 port; 10338 u16 val16; 10339 10340 if (!(CHIP_IS_E1x(bp))) 10341 port = BP_PATH(bp); 10342 else 10343 port = params->port; 10344 10345 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) { 10346 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3, 10347 MISC_REGISTERS_GPIO_OUTPUT_LOW, 10348 port); 10349 } else { 10350 bnx2x_cl45_read(bp, phy, 10351 MDIO_CTL_DEVAD, 10352 MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16); 10353 val16 |= MDIO_84833_SUPER_ISOLATE; 10354 bnx2x_cl45_write(bp, phy, 10355 MDIO_CTL_DEVAD, 10356 MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16); 10357 } 10358 } 10359 10360 static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy, 10361 struct link_params *params, u8 mode) 10362 { 10363 struct bnx2x *bp = params->bp; 10364 u16 val; 10365 u8 port; 10366 10367 if (!(CHIP_IS_E1x(bp))) 10368 port = BP_PATH(bp); 10369 else 10370 port = params->port; 10371 10372 switch (mode) { 10373 case LED_MODE_OFF: 10374 10375 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port); 10376 10377 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) == 10378 SHARED_HW_CFG_LED_EXTPHY1) { 10379 10380 /* Set LED masks */ 10381 bnx2x_cl45_write(bp, phy, 10382 MDIO_PMA_DEVAD, 10383 MDIO_PMA_REG_8481_LED1_MASK, 10384 0x0); 10385 10386 bnx2x_cl45_write(bp, phy, 10387 MDIO_PMA_DEVAD, 10388 MDIO_PMA_REG_8481_LED2_MASK, 10389 0x0); 10390 10391 bnx2x_cl45_write(bp, phy, 10392 MDIO_PMA_DEVAD, 10393 MDIO_PMA_REG_8481_LED3_MASK, 10394 0x0); 10395 10396 bnx2x_cl45_write(bp, phy, 10397 MDIO_PMA_DEVAD, 10398 MDIO_PMA_REG_8481_LED5_MASK, 10399 0x0); 10400 10401 } else { 10402 bnx2x_cl45_write(bp, phy, 10403 MDIO_PMA_DEVAD, 10404 MDIO_PMA_REG_8481_LED1_MASK, 10405 0x0); 10406 } 10407 break; 10408 case LED_MODE_FRONT_PANEL_OFF: 10409 10410 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n", 10411 port); 10412 10413 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) == 10414 SHARED_HW_CFG_LED_EXTPHY1) { 10415 10416 /* Set LED masks */ 10417 bnx2x_cl45_write(bp, phy, 10418 MDIO_PMA_DEVAD, 10419 MDIO_PMA_REG_8481_LED1_MASK, 10420 0x0); 10421 10422 bnx2x_cl45_write(bp, phy, 10423 MDIO_PMA_DEVAD, 10424 MDIO_PMA_REG_8481_LED2_MASK, 10425 0x0); 10426 10427 bnx2x_cl45_write(bp, phy, 10428 MDIO_PMA_DEVAD, 10429 MDIO_PMA_REG_8481_LED3_MASK, 10430 0x0); 10431 10432 bnx2x_cl45_write(bp, phy, 10433 MDIO_PMA_DEVAD, 10434 MDIO_PMA_REG_8481_LED5_MASK, 10435 0x20); 10436 10437 } else { 10438 bnx2x_cl45_write(bp, phy, 10439 MDIO_PMA_DEVAD, 10440 MDIO_PMA_REG_8481_LED1_MASK, 10441 0x0); 10442 } 10443 break; 10444 case LED_MODE_ON: 10445 10446 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port); 10447 10448 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) == 10449 SHARED_HW_CFG_LED_EXTPHY1) { 10450 /* Set control reg */ 10451 bnx2x_cl45_read(bp, phy, 10452 MDIO_PMA_DEVAD, 10453 MDIO_PMA_REG_8481_LINK_SIGNAL, 10454 &val); 10455 val &= 0x8000; 10456 val |= 0x2492; 10457 10458 bnx2x_cl45_write(bp, phy, 10459 MDIO_PMA_DEVAD, 10460 MDIO_PMA_REG_8481_LINK_SIGNAL, 10461 val); 10462 10463 /* Set LED masks */ 10464 bnx2x_cl45_write(bp, phy, 10465 MDIO_PMA_DEVAD, 10466 MDIO_PMA_REG_8481_LED1_MASK, 10467 0x0); 10468 10469 bnx2x_cl45_write(bp, phy, 10470 MDIO_PMA_DEVAD, 10471 MDIO_PMA_REG_8481_LED2_MASK, 10472 0x20); 10473 10474 bnx2x_cl45_write(bp, phy, 10475 MDIO_PMA_DEVAD, 10476 MDIO_PMA_REG_8481_LED3_MASK, 10477 0x20); 10478 10479 bnx2x_cl45_write(bp, phy, 10480 MDIO_PMA_DEVAD, 10481 MDIO_PMA_REG_8481_LED5_MASK, 10482 0x0); 10483 } else { 10484 bnx2x_cl45_write(bp, phy, 10485 MDIO_PMA_DEVAD, 10486 MDIO_PMA_REG_8481_LED1_MASK, 10487 0x20); 10488 } 10489 break; 10490 10491 case LED_MODE_OPER: 10492 10493 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port); 10494 10495 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) == 10496 SHARED_HW_CFG_LED_EXTPHY1) { 10497 10498 /* Set control reg */ 10499 bnx2x_cl45_read(bp, phy, 10500 MDIO_PMA_DEVAD, 10501 MDIO_PMA_REG_8481_LINK_SIGNAL, 10502 &val); 10503 10504 if (!((val & 10505 MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK) 10506 >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) { 10507 DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n"); 10508 bnx2x_cl45_write(bp, phy, 10509 MDIO_PMA_DEVAD, 10510 MDIO_PMA_REG_8481_LINK_SIGNAL, 10511 0xa492); 10512 } 10513 10514 /* Set LED masks */ 10515 bnx2x_cl45_write(bp, phy, 10516 MDIO_PMA_DEVAD, 10517 MDIO_PMA_REG_8481_LED1_MASK, 10518 0x10); 10519 10520 bnx2x_cl45_write(bp, phy, 10521 MDIO_PMA_DEVAD, 10522 MDIO_PMA_REG_8481_LED2_MASK, 10523 0x80); 10524 10525 bnx2x_cl45_write(bp, phy, 10526 MDIO_PMA_DEVAD, 10527 MDIO_PMA_REG_8481_LED3_MASK, 10528 0x98); 10529 10530 bnx2x_cl45_write(bp, phy, 10531 MDIO_PMA_DEVAD, 10532 MDIO_PMA_REG_8481_LED5_MASK, 10533 0x40); 10534 10535 } else { 10536 bnx2x_cl45_write(bp, phy, 10537 MDIO_PMA_DEVAD, 10538 MDIO_PMA_REG_8481_LED1_MASK, 10539 0x80); 10540 10541 /* Tell LED3 to blink on source */ 10542 bnx2x_cl45_read(bp, phy, 10543 MDIO_PMA_DEVAD, 10544 MDIO_PMA_REG_8481_LINK_SIGNAL, 10545 &val); 10546 val &= ~(7<<6); 10547 val |= (1<<6); /* A83B[8:6]= 1 */ 10548 bnx2x_cl45_write(bp, phy, 10549 MDIO_PMA_DEVAD, 10550 MDIO_PMA_REG_8481_LINK_SIGNAL, 10551 val); 10552 } 10553 break; 10554 } 10555 10556 /* This is a workaround for E3+84833 until autoneg 10557 * restart is fixed in f/w 10558 */ 10559 if (CHIP_IS_E3(bp)) { 10560 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 10561 MDIO_WC_REG_GP2_STATUS_GP_2_1, &val); 10562 } 10563 } 10564 10565 /******************************************************************/ 10566 /* 54618SE PHY SECTION */ 10567 /******************************************************************/ 10568 static int bnx2x_54618se_config_init(struct bnx2x_phy *phy, 10569 struct link_params *params, 10570 struct link_vars *vars) 10571 { 10572 struct bnx2x *bp = params->bp; 10573 u8 port; 10574 u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp; 10575 u32 cfg_pin; 10576 10577 DP(NETIF_MSG_LINK, "54618SE cfg init\n"); 10578 usleep_range(1000, 2000); 10579 10580 /* This works with E3 only, no need to check the chip 10581 * before determining the port. 10582 */ 10583 port = params->port; 10584 10585 cfg_pin = (REG_RD(bp, params->shmem_base + 10586 offsetof(struct shmem_region, 10587 dev_info.port_hw_config[port].e3_cmn_pin_cfg)) & 10588 PORT_HW_CFG_E3_PHY_RESET_MASK) >> 10589 PORT_HW_CFG_E3_PHY_RESET_SHIFT; 10590 10591 /* Drive pin high to bring the GPHY out of reset. */ 10592 bnx2x_set_cfg_pin(bp, cfg_pin, 1); 10593 10594 /* wait for GPHY to reset */ 10595 msleep(50); 10596 10597 /* reset phy */ 10598 bnx2x_cl22_write(bp, phy, 10599 MDIO_PMA_REG_CTRL, 0x8000); 10600 bnx2x_wait_reset_complete(bp, phy, params); 10601 10602 /* Wait for GPHY to reset */ 10603 msleep(50); 10604 10605 /* Configure LED4: set to INTR (0x6). */ 10606 /* Accessing shadow register 0xe. */ 10607 bnx2x_cl22_write(bp, phy, 10608 MDIO_REG_GPHY_SHADOW, 10609 MDIO_REG_GPHY_SHADOW_LED_SEL2); 10610 bnx2x_cl22_read(bp, phy, 10611 MDIO_REG_GPHY_SHADOW, 10612 &temp); 10613 temp &= ~(0xf << 4); 10614 temp |= (0x6 << 4); 10615 bnx2x_cl22_write(bp, phy, 10616 MDIO_REG_GPHY_SHADOW, 10617 MDIO_REG_GPHY_SHADOW_WR_ENA | temp); 10618 /* Configure INTR based on link status change. */ 10619 bnx2x_cl22_write(bp, phy, 10620 MDIO_REG_INTR_MASK, 10621 ~MDIO_REG_INTR_MASK_LINK_STATUS); 10622 10623 /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */ 10624 bnx2x_cl22_write(bp, phy, 10625 MDIO_REG_GPHY_SHADOW, 10626 MDIO_REG_GPHY_SHADOW_AUTO_DET_MED); 10627 bnx2x_cl22_read(bp, phy, 10628 MDIO_REG_GPHY_SHADOW, 10629 &temp); 10630 temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD; 10631 bnx2x_cl22_write(bp, phy, 10632 MDIO_REG_GPHY_SHADOW, 10633 MDIO_REG_GPHY_SHADOW_WR_ENA | temp); 10634 10635 /* Set up fc */ 10636 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */ 10637 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc); 10638 fc_val = 0; 10639 if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) == 10640 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) 10641 fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC; 10642 10643 if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) == 10644 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) 10645 fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE; 10646 10647 /* Read all advertisement */ 10648 bnx2x_cl22_read(bp, phy, 10649 0x09, 10650 &an_1000_val); 10651 10652 bnx2x_cl22_read(bp, phy, 10653 0x04, 10654 &an_10_100_val); 10655 10656 bnx2x_cl22_read(bp, phy, 10657 MDIO_PMA_REG_CTRL, 10658 &autoneg_val); 10659 10660 /* Disable forced speed */ 10661 autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13)); 10662 an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) | 10663 (1<<11)); 10664 10665 if (((phy->req_line_speed == SPEED_AUTO_NEG) && 10666 (phy->speed_cap_mask & 10667 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) || 10668 (phy->req_line_speed == SPEED_1000)) { 10669 an_1000_val |= (1<<8); 10670 autoneg_val |= (1<<9 | 1<<12); 10671 if (phy->req_duplex == DUPLEX_FULL) 10672 an_1000_val |= (1<<9); 10673 DP(NETIF_MSG_LINK, "Advertising 1G\n"); 10674 } else 10675 an_1000_val &= ~((1<<8) | (1<<9)); 10676 10677 bnx2x_cl22_write(bp, phy, 10678 0x09, 10679 an_1000_val); 10680 bnx2x_cl22_read(bp, phy, 10681 0x09, 10682 &an_1000_val); 10683 10684 /* Set 100 speed advertisement */ 10685 if (((phy->req_line_speed == SPEED_AUTO_NEG) && 10686 (phy->speed_cap_mask & 10687 (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL | 10688 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) { 10689 an_10_100_val |= (1<<7); 10690 /* Enable autoneg and restart autoneg for legacy speeds */ 10691 autoneg_val |= (1<<9 | 1<<12); 10692 10693 if (phy->req_duplex == DUPLEX_FULL) 10694 an_10_100_val |= (1<<8); 10695 DP(NETIF_MSG_LINK, "Advertising 100M\n"); 10696 } 10697 10698 /* Set 10 speed advertisement */ 10699 if (((phy->req_line_speed == SPEED_AUTO_NEG) && 10700 (phy->speed_cap_mask & 10701 (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL | 10702 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) { 10703 an_10_100_val |= (1<<5); 10704 autoneg_val |= (1<<9 | 1<<12); 10705 if (phy->req_duplex == DUPLEX_FULL) 10706 an_10_100_val |= (1<<6); 10707 DP(NETIF_MSG_LINK, "Advertising 10M\n"); 10708 } 10709 10710 /* Only 10/100 are allowed to work in FORCE mode */ 10711 if (phy->req_line_speed == SPEED_100) { 10712 autoneg_val |= (1<<13); 10713 /* Enabled AUTO-MDIX when autoneg is disabled */ 10714 bnx2x_cl22_write(bp, phy, 10715 0x18, 10716 (1<<15 | 1<<9 | 7<<0)); 10717 DP(NETIF_MSG_LINK, "Setting 100M force\n"); 10718 } 10719 if (phy->req_line_speed == SPEED_10) { 10720 /* Enabled AUTO-MDIX when autoneg is disabled */ 10721 bnx2x_cl22_write(bp, phy, 10722 0x18, 10723 (1<<15 | 1<<9 | 7<<0)); 10724 DP(NETIF_MSG_LINK, "Setting 10M force\n"); 10725 } 10726 10727 /* Check if we should turn on Auto-GrEEEn */ 10728 bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &temp); 10729 if (temp == MDIO_REG_GPHY_ID_54618SE) { 10730 if (params->feature_config_flags & 10731 FEATURE_CONFIG_AUTOGREEEN_ENABLED) { 10732 temp = 6; 10733 DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n"); 10734 } else { 10735 temp = 0; 10736 DP(NETIF_MSG_LINK, "Disabling Auto-GrEEEn\n"); 10737 } 10738 bnx2x_cl22_write(bp, phy, 10739 MDIO_REG_GPHY_CL45_ADDR_REG, MDIO_AN_DEVAD); 10740 bnx2x_cl22_write(bp, phy, 10741 MDIO_REG_GPHY_CL45_DATA_REG, 10742 MDIO_REG_GPHY_EEE_ADV); 10743 bnx2x_cl22_write(bp, phy, 10744 MDIO_REG_GPHY_CL45_ADDR_REG, 10745 (0x1 << 14) | MDIO_AN_DEVAD); 10746 bnx2x_cl22_write(bp, phy, 10747 MDIO_REG_GPHY_CL45_DATA_REG, 10748 temp); 10749 } 10750 10751 bnx2x_cl22_write(bp, phy, 10752 0x04, 10753 an_10_100_val | fc_val); 10754 10755 if (phy->req_duplex == DUPLEX_FULL) 10756 autoneg_val |= (1<<8); 10757 10758 bnx2x_cl22_write(bp, phy, 10759 MDIO_PMA_REG_CTRL, autoneg_val); 10760 10761 return 0; 10762 } 10763 10764 10765 static void bnx2x_5461x_set_link_led(struct bnx2x_phy *phy, 10766 struct link_params *params, u8 mode) 10767 { 10768 struct bnx2x *bp = params->bp; 10769 u16 temp; 10770 10771 bnx2x_cl22_write(bp, phy, 10772 MDIO_REG_GPHY_SHADOW, 10773 MDIO_REG_GPHY_SHADOW_LED_SEL1); 10774 bnx2x_cl22_read(bp, phy, 10775 MDIO_REG_GPHY_SHADOW, 10776 &temp); 10777 temp &= 0xff00; 10778 10779 DP(NETIF_MSG_LINK, "54618x set link led (mode=%x)\n", mode); 10780 switch (mode) { 10781 case LED_MODE_FRONT_PANEL_OFF: 10782 case LED_MODE_OFF: 10783 temp |= 0x00ee; 10784 break; 10785 case LED_MODE_OPER: 10786 temp |= 0x0001; 10787 break; 10788 case LED_MODE_ON: 10789 temp |= 0x00ff; 10790 break; 10791 default: 10792 break; 10793 } 10794 bnx2x_cl22_write(bp, phy, 10795 MDIO_REG_GPHY_SHADOW, 10796 MDIO_REG_GPHY_SHADOW_WR_ENA | temp); 10797 return; 10798 } 10799 10800 10801 static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy, 10802 struct link_params *params) 10803 { 10804 struct bnx2x *bp = params->bp; 10805 u32 cfg_pin; 10806 u8 port; 10807 10808 /* In case of no EPIO routed to reset the GPHY, put it 10809 * in low power mode. 10810 */ 10811 bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800); 10812 /* This works with E3 only, no need to check the chip 10813 * before determining the port. 10814 */ 10815 port = params->port; 10816 cfg_pin = (REG_RD(bp, params->shmem_base + 10817 offsetof(struct shmem_region, 10818 dev_info.port_hw_config[port].e3_cmn_pin_cfg)) & 10819 PORT_HW_CFG_E3_PHY_RESET_MASK) >> 10820 PORT_HW_CFG_E3_PHY_RESET_SHIFT; 10821 10822 /* Drive pin low to put GPHY in reset. */ 10823 bnx2x_set_cfg_pin(bp, cfg_pin, 0); 10824 } 10825 10826 static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy, 10827 struct link_params *params, 10828 struct link_vars *vars) 10829 { 10830 struct bnx2x *bp = params->bp; 10831 u16 val; 10832 u8 link_up = 0; 10833 u16 legacy_status, legacy_speed; 10834 10835 /* Get speed operation status */ 10836 bnx2x_cl22_read(bp, phy, 10837 MDIO_REG_GPHY_AUX_STATUS, 10838 &legacy_status); 10839 DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status); 10840 10841 /* Read status to clear the PHY interrupt. */ 10842 bnx2x_cl22_read(bp, phy, 10843 MDIO_REG_INTR_STATUS, 10844 &val); 10845 10846 link_up = ((legacy_status & (1<<2)) == (1<<2)); 10847 10848 if (link_up) { 10849 legacy_speed = (legacy_status & (7<<8)); 10850 if (legacy_speed == (7<<8)) { 10851 vars->line_speed = SPEED_1000; 10852 vars->duplex = DUPLEX_FULL; 10853 } else if (legacy_speed == (6<<8)) { 10854 vars->line_speed = SPEED_1000; 10855 vars->duplex = DUPLEX_HALF; 10856 } else if (legacy_speed == (5<<8)) { 10857 vars->line_speed = SPEED_100; 10858 vars->duplex = DUPLEX_FULL; 10859 } 10860 /* Omitting 100Base-T4 for now */ 10861 else if (legacy_speed == (3<<8)) { 10862 vars->line_speed = SPEED_100; 10863 vars->duplex = DUPLEX_HALF; 10864 } else if (legacy_speed == (2<<8)) { 10865 vars->line_speed = SPEED_10; 10866 vars->duplex = DUPLEX_FULL; 10867 } else if (legacy_speed == (1<<8)) { 10868 vars->line_speed = SPEED_10; 10869 vars->duplex = DUPLEX_HALF; 10870 } else /* Should not happen */ 10871 vars->line_speed = 0; 10872 10873 DP(NETIF_MSG_LINK, 10874 "Link is up in %dMbps, is_duplex_full= %d\n", 10875 vars->line_speed, 10876 (vars->duplex == DUPLEX_FULL)); 10877 10878 /* Check legacy speed AN resolution */ 10879 bnx2x_cl22_read(bp, phy, 10880 0x01, 10881 &val); 10882 if (val & (1<<5)) 10883 vars->link_status |= 10884 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE; 10885 bnx2x_cl22_read(bp, phy, 10886 0x06, 10887 &val); 10888 if ((val & (1<<0)) == 0) 10889 vars->link_status |= 10890 LINK_STATUS_PARALLEL_DETECTION_USED; 10891 10892 DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n", 10893 vars->line_speed); 10894 10895 /* Report whether EEE is resolved. */ 10896 bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &val); 10897 if (val == MDIO_REG_GPHY_ID_54618SE) { 10898 if (vars->link_status & 10899 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) 10900 val = 0; 10901 else { 10902 bnx2x_cl22_write(bp, phy, 10903 MDIO_REG_GPHY_CL45_ADDR_REG, 10904 MDIO_AN_DEVAD); 10905 bnx2x_cl22_write(bp, phy, 10906 MDIO_REG_GPHY_CL45_DATA_REG, 10907 MDIO_REG_GPHY_EEE_RESOLVED); 10908 bnx2x_cl22_write(bp, phy, 10909 MDIO_REG_GPHY_CL45_ADDR_REG, 10910 (0x1 << 14) | MDIO_AN_DEVAD); 10911 bnx2x_cl22_read(bp, phy, 10912 MDIO_REG_GPHY_CL45_DATA_REG, 10913 &val); 10914 } 10915 DP(NETIF_MSG_LINK, "EEE resolution: 0x%x\n", val); 10916 } 10917 10918 bnx2x_ext_phy_resolve_fc(phy, params, vars); 10919 10920 if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) { 10921 /* Report LP advertised speeds */ 10922 bnx2x_cl22_read(bp, phy, 0x5, &val); 10923 10924 if (val & (1<<5)) 10925 vars->link_status |= 10926 LINK_STATUS_LINK_PARTNER_10THD_CAPABLE; 10927 if (val & (1<<6)) 10928 vars->link_status |= 10929 LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE; 10930 if (val & (1<<7)) 10931 vars->link_status |= 10932 LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE; 10933 if (val & (1<<8)) 10934 vars->link_status |= 10935 LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE; 10936 if (val & (1<<9)) 10937 vars->link_status |= 10938 LINK_STATUS_LINK_PARTNER_100T4_CAPABLE; 10939 10940 bnx2x_cl22_read(bp, phy, 0xa, &val); 10941 if (val & (1<<10)) 10942 vars->link_status |= 10943 LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE; 10944 if (val & (1<<11)) 10945 vars->link_status |= 10946 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE; 10947 } 10948 } 10949 return link_up; 10950 } 10951 10952 static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy, 10953 struct link_params *params) 10954 { 10955 struct bnx2x *bp = params->bp; 10956 u16 val; 10957 u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0; 10958 10959 DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n"); 10960 10961 /* Enable master/slave manual mmode and set to master */ 10962 /* mii write 9 [bits set 11 12] */ 10963 bnx2x_cl22_write(bp, phy, 0x09, 3<<11); 10964 10965 /* forced 1G and disable autoneg */ 10966 /* set val [mii read 0] */ 10967 /* set val [expr $val & [bits clear 6 12 13]] */ 10968 /* set val [expr $val | [bits set 6 8]] */ 10969 /* mii write 0 $val */ 10970 bnx2x_cl22_read(bp, phy, 0x00, &val); 10971 val &= ~((1<<6) | (1<<12) | (1<<13)); 10972 val |= (1<<6) | (1<<8); 10973 bnx2x_cl22_write(bp, phy, 0x00, val); 10974 10975 /* Set external loopback and Tx using 6dB coding */ 10976 /* mii write 0x18 7 */ 10977 /* set val [mii read 0x18] */ 10978 /* mii write 0x18 [expr $val | [bits set 10 15]] */ 10979 bnx2x_cl22_write(bp, phy, 0x18, 7); 10980 bnx2x_cl22_read(bp, phy, 0x18, &val); 10981 bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15)); 10982 10983 /* This register opens the gate for the UMAC despite its name */ 10984 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1); 10985 10986 /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame 10987 * length used by the MAC receive logic to check frames. 10988 */ 10989 REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710); 10990 } 10991 10992 /******************************************************************/ 10993 /* SFX7101 PHY SECTION */ 10994 /******************************************************************/ 10995 static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy, 10996 struct link_params *params) 10997 { 10998 struct bnx2x *bp = params->bp; 10999 /* SFX7101_XGXS_TEST1 */ 11000 bnx2x_cl45_write(bp, phy, 11001 MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100); 11002 } 11003 11004 static int bnx2x_7101_config_init(struct bnx2x_phy *phy, 11005 struct link_params *params, 11006 struct link_vars *vars) 11007 { 11008 u16 fw_ver1, fw_ver2, val; 11009 struct bnx2x *bp = params->bp; 11010 DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n"); 11011 11012 /* Restore normal power mode*/ 11013 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, 11014 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port); 11015 /* HW reset */ 11016 bnx2x_ext_phy_hw_reset(bp, params->port); 11017 bnx2x_wait_reset_complete(bp, phy, params); 11018 11019 bnx2x_cl45_write(bp, phy, 11020 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1); 11021 DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n"); 11022 bnx2x_cl45_write(bp, phy, 11023 MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3)); 11024 11025 bnx2x_ext_phy_set_pause(params, phy, vars); 11026 /* Restart autoneg */ 11027 bnx2x_cl45_read(bp, phy, 11028 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val); 11029 val |= 0x200; 11030 bnx2x_cl45_write(bp, phy, 11031 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val); 11032 11033 /* Save spirom version */ 11034 bnx2x_cl45_read(bp, phy, 11035 MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1); 11036 11037 bnx2x_cl45_read(bp, phy, 11038 MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2); 11039 bnx2x_save_spirom_version(bp, params->port, 11040 (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr); 11041 return 0; 11042 } 11043 11044 static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy, 11045 struct link_params *params, 11046 struct link_vars *vars) 11047 { 11048 struct bnx2x *bp = params->bp; 11049 u8 link_up; 11050 u16 val1, val2; 11051 bnx2x_cl45_read(bp, phy, 11052 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2); 11053 bnx2x_cl45_read(bp, phy, 11054 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1); 11055 DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n", 11056 val2, val1); 11057 bnx2x_cl45_read(bp, phy, 11058 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2); 11059 bnx2x_cl45_read(bp, phy, 11060 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1); 11061 DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n", 11062 val2, val1); 11063 link_up = ((val1 & 4) == 4); 11064 /* If link is up print the AN outcome of the SFX7101 PHY */ 11065 if (link_up) { 11066 bnx2x_cl45_read(bp, phy, 11067 MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS, 11068 &val2); 11069 vars->line_speed = SPEED_10000; 11070 vars->duplex = DUPLEX_FULL; 11071 DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n", 11072 val2, (val2 & (1<<14))); 11073 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars); 11074 bnx2x_ext_phy_resolve_fc(phy, params, vars); 11075 11076 /* Read LP advertised speeds */ 11077 if (val2 & (1<<11)) 11078 vars->link_status |= 11079 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE; 11080 } 11081 return link_up; 11082 } 11083 11084 static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len) 11085 { 11086 if (*len < 5) 11087 return -EINVAL; 11088 str[0] = (spirom_ver & 0xFF); 11089 str[1] = (spirom_ver & 0xFF00) >> 8; 11090 str[2] = (spirom_ver & 0xFF0000) >> 16; 11091 str[3] = (spirom_ver & 0xFF000000) >> 24; 11092 str[4] = '\0'; 11093 *len -= 5; 11094 return 0; 11095 } 11096 11097 void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy) 11098 { 11099 u16 val, cnt; 11100 11101 bnx2x_cl45_read(bp, phy, 11102 MDIO_PMA_DEVAD, 11103 MDIO_PMA_REG_7101_RESET, &val); 11104 11105 for (cnt = 0; cnt < 10; cnt++) { 11106 msleep(50); 11107 /* Writes a self-clearing reset */ 11108 bnx2x_cl45_write(bp, phy, 11109 MDIO_PMA_DEVAD, 11110 MDIO_PMA_REG_7101_RESET, 11111 (val | (1<<15))); 11112 /* Wait for clear */ 11113 bnx2x_cl45_read(bp, phy, 11114 MDIO_PMA_DEVAD, 11115 MDIO_PMA_REG_7101_RESET, &val); 11116 11117 if ((val & (1<<15)) == 0) 11118 break; 11119 } 11120 } 11121 11122 static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy, 11123 struct link_params *params) { 11124 /* Low power mode is controlled by GPIO 2 */ 11125 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2, 11126 MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port); 11127 /* The PHY reset is controlled by GPIO 1 */ 11128 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1, 11129 MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port); 11130 } 11131 11132 static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy, 11133 struct link_params *params, u8 mode) 11134 { 11135 u16 val = 0; 11136 struct bnx2x *bp = params->bp; 11137 switch (mode) { 11138 case LED_MODE_FRONT_PANEL_OFF: 11139 case LED_MODE_OFF: 11140 val = 2; 11141 break; 11142 case LED_MODE_ON: 11143 val = 1; 11144 break; 11145 case LED_MODE_OPER: 11146 val = 0; 11147 break; 11148 } 11149 bnx2x_cl45_write(bp, phy, 11150 MDIO_PMA_DEVAD, 11151 MDIO_PMA_REG_7107_LINK_LED_CNTL, 11152 val); 11153 } 11154 11155 /******************************************************************/ 11156 /* STATIC PHY DECLARATION */ 11157 /******************************************************************/ 11158 11159 static struct bnx2x_phy phy_null = { 11160 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN, 11161 .addr = 0, 11162 .def_md_devad = 0, 11163 .flags = FLAGS_INIT_XGXS_FIRST, 11164 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11165 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11166 .mdio_ctrl = 0, 11167 .supported = 0, 11168 .media_type = ETH_PHY_NOT_PRESENT, 11169 .ver_addr = 0, 11170 .req_flow_ctrl = 0, 11171 .req_line_speed = 0, 11172 .speed_cap_mask = 0, 11173 .req_duplex = 0, 11174 .rsrv = 0, 11175 .config_init = (config_init_t)NULL, 11176 .read_status = (read_status_t)NULL, 11177 .link_reset = (link_reset_t)NULL, 11178 .config_loopback = (config_loopback_t)NULL, 11179 .format_fw_ver = (format_fw_ver_t)NULL, 11180 .hw_reset = (hw_reset_t)NULL, 11181 .set_link_led = (set_link_led_t)NULL, 11182 .phy_specific_func = (phy_specific_func_t)NULL 11183 }; 11184 11185 static struct bnx2x_phy phy_serdes = { 11186 .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT, 11187 .addr = 0xff, 11188 .def_md_devad = 0, 11189 .flags = 0, 11190 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11191 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11192 .mdio_ctrl = 0, 11193 .supported = (SUPPORTED_10baseT_Half | 11194 SUPPORTED_10baseT_Full | 11195 SUPPORTED_100baseT_Half | 11196 SUPPORTED_100baseT_Full | 11197 SUPPORTED_1000baseT_Full | 11198 SUPPORTED_2500baseX_Full | 11199 SUPPORTED_TP | 11200 SUPPORTED_Autoneg | 11201 SUPPORTED_Pause | 11202 SUPPORTED_Asym_Pause), 11203 .media_type = ETH_PHY_BASE_T, 11204 .ver_addr = 0, 11205 .req_flow_ctrl = 0, 11206 .req_line_speed = 0, 11207 .speed_cap_mask = 0, 11208 .req_duplex = 0, 11209 .rsrv = 0, 11210 .config_init = (config_init_t)bnx2x_xgxs_config_init, 11211 .read_status = (read_status_t)bnx2x_link_settings_status, 11212 .link_reset = (link_reset_t)bnx2x_int_link_reset, 11213 .config_loopback = (config_loopback_t)NULL, 11214 .format_fw_ver = (format_fw_ver_t)NULL, 11215 .hw_reset = (hw_reset_t)NULL, 11216 .set_link_led = (set_link_led_t)NULL, 11217 .phy_specific_func = (phy_specific_func_t)NULL 11218 }; 11219 11220 static struct bnx2x_phy phy_xgxs = { 11221 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT, 11222 .addr = 0xff, 11223 .def_md_devad = 0, 11224 .flags = 0, 11225 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11226 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11227 .mdio_ctrl = 0, 11228 .supported = (SUPPORTED_10baseT_Half | 11229 SUPPORTED_10baseT_Full | 11230 SUPPORTED_100baseT_Half | 11231 SUPPORTED_100baseT_Full | 11232 SUPPORTED_1000baseT_Full | 11233 SUPPORTED_2500baseX_Full | 11234 SUPPORTED_10000baseT_Full | 11235 SUPPORTED_FIBRE | 11236 SUPPORTED_Autoneg | 11237 SUPPORTED_Pause | 11238 SUPPORTED_Asym_Pause), 11239 .media_type = ETH_PHY_CX4, 11240 .ver_addr = 0, 11241 .req_flow_ctrl = 0, 11242 .req_line_speed = 0, 11243 .speed_cap_mask = 0, 11244 .req_duplex = 0, 11245 .rsrv = 0, 11246 .config_init = (config_init_t)bnx2x_xgxs_config_init, 11247 .read_status = (read_status_t)bnx2x_link_settings_status, 11248 .link_reset = (link_reset_t)bnx2x_int_link_reset, 11249 .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback, 11250 .format_fw_ver = (format_fw_ver_t)NULL, 11251 .hw_reset = (hw_reset_t)NULL, 11252 .set_link_led = (set_link_led_t)NULL, 11253 .phy_specific_func = (phy_specific_func_t)NULL 11254 }; 11255 static struct bnx2x_phy phy_warpcore = { 11256 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT, 11257 .addr = 0xff, 11258 .def_md_devad = 0, 11259 .flags = (FLAGS_HW_LOCK_REQUIRED | 11260 FLAGS_TX_ERROR_CHECK), 11261 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11262 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11263 .mdio_ctrl = 0, 11264 .supported = (SUPPORTED_10baseT_Half | 11265 SUPPORTED_10baseT_Full | 11266 SUPPORTED_100baseT_Half | 11267 SUPPORTED_100baseT_Full | 11268 SUPPORTED_1000baseT_Full | 11269 SUPPORTED_10000baseT_Full | 11270 SUPPORTED_20000baseKR2_Full | 11271 SUPPORTED_20000baseMLD2_Full | 11272 SUPPORTED_FIBRE | 11273 SUPPORTED_Autoneg | 11274 SUPPORTED_Pause | 11275 SUPPORTED_Asym_Pause), 11276 .media_type = ETH_PHY_UNSPECIFIED, 11277 .ver_addr = 0, 11278 .req_flow_ctrl = 0, 11279 .req_line_speed = 0, 11280 .speed_cap_mask = 0, 11281 /* req_duplex = */0, 11282 /* rsrv = */0, 11283 .config_init = (config_init_t)bnx2x_warpcore_config_init, 11284 .read_status = (read_status_t)bnx2x_warpcore_read_status, 11285 .link_reset = (link_reset_t)bnx2x_warpcore_link_reset, 11286 .config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback, 11287 .format_fw_ver = (format_fw_ver_t)NULL, 11288 .hw_reset = (hw_reset_t)bnx2x_warpcore_hw_reset, 11289 .set_link_led = (set_link_led_t)NULL, 11290 .phy_specific_func = (phy_specific_func_t)NULL 11291 }; 11292 11293 11294 static struct bnx2x_phy phy_7101 = { 11295 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101, 11296 .addr = 0xff, 11297 .def_md_devad = 0, 11298 .flags = FLAGS_FAN_FAILURE_DET_REQ, 11299 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11300 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11301 .mdio_ctrl = 0, 11302 .supported = (SUPPORTED_10000baseT_Full | 11303 SUPPORTED_TP | 11304 SUPPORTED_Autoneg | 11305 SUPPORTED_Pause | 11306 SUPPORTED_Asym_Pause), 11307 .media_type = ETH_PHY_BASE_T, 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)bnx2x_7101_config_init, 11315 .read_status = (read_status_t)bnx2x_7101_read_status, 11316 .link_reset = (link_reset_t)bnx2x_common_ext_link_reset, 11317 .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback, 11318 .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver, 11319 .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset, 11320 .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led, 11321 .phy_specific_func = (phy_specific_func_t)NULL 11322 }; 11323 static struct bnx2x_phy phy_8073 = { 11324 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073, 11325 .addr = 0xff, 11326 .def_md_devad = 0, 11327 .flags = FLAGS_HW_LOCK_REQUIRED, 11328 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11329 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11330 .mdio_ctrl = 0, 11331 .supported = (SUPPORTED_10000baseT_Full | 11332 SUPPORTED_2500baseX_Full | 11333 SUPPORTED_1000baseT_Full | 11334 SUPPORTED_FIBRE | 11335 SUPPORTED_Autoneg | 11336 SUPPORTED_Pause | 11337 SUPPORTED_Asym_Pause), 11338 .media_type = ETH_PHY_KR, 11339 .ver_addr = 0, 11340 .req_flow_ctrl = 0, 11341 .req_line_speed = 0, 11342 .speed_cap_mask = 0, 11343 .req_duplex = 0, 11344 .rsrv = 0, 11345 .config_init = (config_init_t)bnx2x_8073_config_init, 11346 .read_status = (read_status_t)bnx2x_8073_read_status, 11347 .link_reset = (link_reset_t)bnx2x_8073_link_reset, 11348 .config_loopback = (config_loopback_t)NULL, 11349 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver, 11350 .hw_reset = (hw_reset_t)NULL, 11351 .set_link_led = (set_link_led_t)NULL, 11352 .phy_specific_func = (phy_specific_func_t)NULL 11353 }; 11354 static struct bnx2x_phy phy_8705 = { 11355 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705, 11356 .addr = 0xff, 11357 .def_md_devad = 0, 11358 .flags = FLAGS_INIT_XGXS_FIRST, 11359 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11360 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11361 .mdio_ctrl = 0, 11362 .supported = (SUPPORTED_10000baseT_Full | 11363 SUPPORTED_FIBRE | 11364 SUPPORTED_Pause | 11365 SUPPORTED_Asym_Pause), 11366 .media_type = ETH_PHY_XFP_FIBER, 11367 .ver_addr = 0, 11368 .req_flow_ctrl = 0, 11369 .req_line_speed = 0, 11370 .speed_cap_mask = 0, 11371 .req_duplex = 0, 11372 .rsrv = 0, 11373 .config_init = (config_init_t)bnx2x_8705_config_init, 11374 .read_status = (read_status_t)bnx2x_8705_read_status, 11375 .link_reset = (link_reset_t)bnx2x_common_ext_link_reset, 11376 .config_loopback = (config_loopback_t)NULL, 11377 .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver, 11378 .hw_reset = (hw_reset_t)NULL, 11379 .set_link_led = (set_link_led_t)NULL, 11380 .phy_specific_func = (phy_specific_func_t)NULL 11381 }; 11382 static struct bnx2x_phy phy_8706 = { 11383 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706, 11384 .addr = 0xff, 11385 .def_md_devad = 0, 11386 .flags = FLAGS_INIT_XGXS_FIRST, 11387 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11388 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11389 .mdio_ctrl = 0, 11390 .supported = (SUPPORTED_10000baseT_Full | 11391 SUPPORTED_1000baseT_Full | 11392 SUPPORTED_FIBRE | 11393 SUPPORTED_Pause | 11394 SUPPORTED_Asym_Pause), 11395 .media_type = ETH_PHY_SFPP_10G_FIBER, 11396 .ver_addr = 0, 11397 .req_flow_ctrl = 0, 11398 .req_line_speed = 0, 11399 .speed_cap_mask = 0, 11400 .req_duplex = 0, 11401 .rsrv = 0, 11402 .config_init = (config_init_t)bnx2x_8706_config_init, 11403 .read_status = (read_status_t)bnx2x_8706_read_status, 11404 .link_reset = (link_reset_t)bnx2x_common_ext_link_reset, 11405 .config_loopback = (config_loopback_t)NULL, 11406 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver, 11407 .hw_reset = (hw_reset_t)NULL, 11408 .set_link_led = (set_link_led_t)NULL, 11409 .phy_specific_func = (phy_specific_func_t)NULL 11410 }; 11411 11412 static struct bnx2x_phy phy_8726 = { 11413 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726, 11414 .addr = 0xff, 11415 .def_md_devad = 0, 11416 .flags = (FLAGS_HW_LOCK_REQUIRED | 11417 FLAGS_INIT_XGXS_FIRST | 11418 FLAGS_TX_ERROR_CHECK), 11419 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11420 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11421 .mdio_ctrl = 0, 11422 .supported = (SUPPORTED_10000baseT_Full | 11423 SUPPORTED_1000baseT_Full | 11424 SUPPORTED_Autoneg | 11425 SUPPORTED_FIBRE | 11426 SUPPORTED_Pause | 11427 SUPPORTED_Asym_Pause), 11428 .media_type = ETH_PHY_NOT_PRESENT, 11429 .ver_addr = 0, 11430 .req_flow_ctrl = 0, 11431 .req_line_speed = 0, 11432 .speed_cap_mask = 0, 11433 .req_duplex = 0, 11434 .rsrv = 0, 11435 .config_init = (config_init_t)bnx2x_8726_config_init, 11436 .read_status = (read_status_t)bnx2x_8726_read_status, 11437 .link_reset = (link_reset_t)bnx2x_8726_link_reset, 11438 .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback, 11439 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver, 11440 .hw_reset = (hw_reset_t)NULL, 11441 .set_link_led = (set_link_led_t)NULL, 11442 .phy_specific_func = (phy_specific_func_t)NULL 11443 }; 11444 11445 static struct bnx2x_phy phy_8727 = { 11446 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727, 11447 .addr = 0xff, 11448 .def_md_devad = 0, 11449 .flags = (FLAGS_FAN_FAILURE_DET_REQ | 11450 FLAGS_TX_ERROR_CHECK), 11451 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11452 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11453 .mdio_ctrl = 0, 11454 .supported = (SUPPORTED_10000baseT_Full | 11455 SUPPORTED_1000baseT_Full | 11456 SUPPORTED_FIBRE | 11457 SUPPORTED_Pause | 11458 SUPPORTED_Asym_Pause), 11459 .media_type = ETH_PHY_NOT_PRESENT, 11460 .ver_addr = 0, 11461 .req_flow_ctrl = 0, 11462 .req_line_speed = 0, 11463 .speed_cap_mask = 0, 11464 .req_duplex = 0, 11465 .rsrv = 0, 11466 .config_init = (config_init_t)bnx2x_8727_config_init, 11467 .read_status = (read_status_t)bnx2x_8727_read_status, 11468 .link_reset = (link_reset_t)bnx2x_8727_link_reset, 11469 .config_loopback = (config_loopback_t)NULL, 11470 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver, 11471 .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset, 11472 .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led, 11473 .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func 11474 }; 11475 static struct bnx2x_phy phy_8481 = { 11476 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481, 11477 .addr = 0xff, 11478 .def_md_devad = 0, 11479 .flags = FLAGS_FAN_FAILURE_DET_REQ | 11480 FLAGS_REARM_LATCH_SIGNAL, 11481 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11482 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11483 .mdio_ctrl = 0, 11484 .supported = (SUPPORTED_10baseT_Half | 11485 SUPPORTED_10baseT_Full | 11486 SUPPORTED_100baseT_Half | 11487 SUPPORTED_100baseT_Full | 11488 SUPPORTED_1000baseT_Full | 11489 SUPPORTED_10000baseT_Full | 11490 SUPPORTED_TP | 11491 SUPPORTED_Autoneg | 11492 SUPPORTED_Pause | 11493 SUPPORTED_Asym_Pause), 11494 .media_type = ETH_PHY_BASE_T, 11495 .ver_addr = 0, 11496 .req_flow_ctrl = 0, 11497 .req_line_speed = 0, 11498 .speed_cap_mask = 0, 11499 .req_duplex = 0, 11500 .rsrv = 0, 11501 .config_init = (config_init_t)bnx2x_8481_config_init, 11502 .read_status = (read_status_t)bnx2x_848xx_read_status, 11503 .link_reset = (link_reset_t)bnx2x_8481_link_reset, 11504 .config_loopback = (config_loopback_t)NULL, 11505 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver, 11506 .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset, 11507 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led, 11508 .phy_specific_func = (phy_specific_func_t)NULL 11509 }; 11510 11511 static struct bnx2x_phy phy_84823 = { 11512 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823, 11513 .addr = 0xff, 11514 .def_md_devad = 0, 11515 .flags = (FLAGS_FAN_FAILURE_DET_REQ | 11516 FLAGS_REARM_LATCH_SIGNAL | 11517 FLAGS_TX_ERROR_CHECK), 11518 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11519 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11520 .mdio_ctrl = 0, 11521 .supported = (SUPPORTED_10baseT_Half | 11522 SUPPORTED_10baseT_Full | 11523 SUPPORTED_100baseT_Half | 11524 SUPPORTED_100baseT_Full | 11525 SUPPORTED_1000baseT_Full | 11526 SUPPORTED_10000baseT_Full | 11527 SUPPORTED_TP | 11528 SUPPORTED_Autoneg | 11529 SUPPORTED_Pause | 11530 SUPPORTED_Asym_Pause), 11531 .media_type = ETH_PHY_BASE_T, 11532 .ver_addr = 0, 11533 .req_flow_ctrl = 0, 11534 .req_line_speed = 0, 11535 .speed_cap_mask = 0, 11536 .req_duplex = 0, 11537 .rsrv = 0, 11538 .config_init = (config_init_t)bnx2x_848x3_config_init, 11539 .read_status = (read_status_t)bnx2x_848xx_read_status, 11540 .link_reset = (link_reset_t)bnx2x_848x3_link_reset, 11541 .config_loopback = (config_loopback_t)NULL, 11542 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver, 11543 .hw_reset = (hw_reset_t)NULL, 11544 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led, 11545 .phy_specific_func = (phy_specific_func_t)NULL 11546 }; 11547 11548 static struct bnx2x_phy phy_84833 = { 11549 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833, 11550 .addr = 0xff, 11551 .def_md_devad = 0, 11552 .flags = (FLAGS_FAN_FAILURE_DET_REQ | 11553 FLAGS_REARM_LATCH_SIGNAL | 11554 FLAGS_TX_ERROR_CHECK | 11555 FLAGS_EEE_10GBT), 11556 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11557 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11558 .mdio_ctrl = 0, 11559 .supported = (SUPPORTED_100baseT_Half | 11560 SUPPORTED_100baseT_Full | 11561 SUPPORTED_1000baseT_Full | 11562 SUPPORTED_10000baseT_Full | 11563 SUPPORTED_TP | 11564 SUPPORTED_Autoneg | 11565 SUPPORTED_Pause | 11566 SUPPORTED_Asym_Pause), 11567 .media_type = ETH_PHY_BASE_T, 11568 .ver_addr = 0, 11569 .req_flow_ctrl = 0, 11570 .req_line_speed = 0, 11571 .speed_cap_mask = 0, 11572 .req_duplex = 0, 11573 .rsrv = 0, 11574 .config_init = (config_init_t)bnx2x_848x3_config_init, 11575 .read_status = (read_status_t)bnx2x_848xx_read_status, 11576 .link_reset = (link_reset_t)bnx2x_848x3_link_reset, 11577 .config_loopback = (config_loopback_t)NULL, 11578 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver, 11579 .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy, 11580 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led, 11581 .phy_specific_func = (phy_specific_func_t)NULL 11582 }; 11583 11584 static struct bnx2x_phy phy_54618se = { 11585 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE, 11586 .addr = 0xff, 11587 .def_md_devad = 0, 11588 .flags = FLAGS_INIT_XGXS_FIRST, 11589 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11590 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11591 .mdio_ctrl = 0, 11592 .supported = (SUPPORTED_10baseT_Half | 11593 SUPPORTED_10baseT_Full | 11594 SUPPORTED_100baseT_Half | 11595 SUPPORTED_100baseT_Full | 11596 SUPPORTED_1000baseT_Full | 11597 SUPPORTED_TP | 11598 SUPPORTED_Autoneg | 11599 SUPPORTED_Pause | 11600 SUPPORTED_Asym_Pause), 11601 .media_type = ETH_PHY_BASE_T, 11602 .ver_addr = 0, 11603 .req_flow_ctrl = 0, 11604 .req_line_speed = 0, 11605 .speed_cap_mask = 0, 11606 /* req_duplex = */0, 11607 /* rsrv = */0, 11608 .config_init = (config_init_t)bnx2x_54618se_config_init, 11609 .read_status = (read_status_t)bnx2x_54618se_read_status, 11610 .link_reset = (link_reset_t)bnx2x_54618se_link_reset, 11611 .config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback, 11612 .format_fw_ver = (format_fw_ver_t)NULL, 11613 .hw_reset = (hw_reset_t)NULL, 11614 .set_link_led = (set_link_led_t)bnx2x_5461x_set_link_led, 11615 .phy_specific_func = (phy_specific_func_t)NULL 11616 }; 11617 /*****************************************************************/ 11618 /* */ 11619 /* Populate the phy according. Main function: bnx2x_populate_phy */ 11620 /* */ 11621 /*****************************************************************/ 11622 11623 static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base, 11624 struct bnx2x_phy *phy, u8 port, 11625 u8 phy_index) 11626 { 11627 /* Get the 4 lanes xgxs config rx and tx */ 11628 u32 rx = 0, tx = 0, i; 11629 for (i = 0; i < 2; i++) { 11630 /* INT_PHY and EXT_PHY1 share the same value location in 11631 * the shmem. When num_phys is greater than 1, than this value 11632 * applies only to EXT_PHY1 11633 */ 11634 if (phy_index == INT_PHY || phy_index == EXT_PHY1) { 11635 rx = REG_RD(bp, shmem_base + 11636 offsetof(struct shmem_region, 11637 dev_info.port_hw_config[port].xgxs_config_rx[i<<1])); 11638 11639 tx = REG_RD(bp, shmem_base + 11640 offsetof(struct shmem_region, 11641 dev_info.port_hw_config[port].xgxs_config_tx[i<<1])); 11642 } else { 11643 rx = REG_RD(bp, shmem_base + 11644 offsetof(struct shmem_region, 11645 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1])); 11646 11647 tx = REG_RD(bp, shmem_base + 11648 offsetof(struct shmem_region, 11649 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1])); 11650 } 11651 11652 phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff); 11653 phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff); 11654 11655 phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff); 11656 phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff); 11657 } 11658 } 11659 11660 static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base, 11661 u8 phy_index, u8 port) 11662 { 11663 u32 ext_phy_config = 0; 11664 switch (phy_index) { 11665 case EXT_PHY1: 11666 ext_phy_config = REG_RD(bp, shmem_base + 11667 offsetof(struct shmem_region, 11668 dev_info.port_hw_config[port].external_phy_config)); 11669 break; 11670 case EXT_PHY2: 11671 ext_phy_config = REG_RD(bp, shmem_base + 11672 offsetof(struct shmem_region, 11673 dev_info.port_hw_config[port].external_phy_config2)); 11674 break; 11675 default: 11676 DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index); 11677 return -EINVAL; 11678 } 11679 11680 return ext_phy_config; 11681 } 11682 static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port, 11683 struct bnx2x_phy *phy) 11684 { 11685 u32 phy_addr; 11686 u32 chip_id; 11687 u32 switch_cfg = (REG_RD(bp, shmem_base + 11688 offsetof(struct shmem_region, 11689 dev_info.port_feature_config[port].link_config)) & 11690 PORT_FEATURE_CONNECTED_SWITCH_MASK); 11691 chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) | 11692 ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12); 11693 11694 DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id); 11695 if (USES_WARPCORE(bp)) { 11696 u32 serdes_net_if; 11697 phy_addr = REG_RD(bp, 11698 MISC_REG_WC0_CTRL_PHY_ADDR); 11699 *phy = phy_warpcore; 11700 if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3) 11701 phy->flags |= FLAGS_4_PORT_MODE; 11702 else 11703 phy->flags &= ~FLAGS_4_PORT_MODE; 11704 /* Check Dual mode */ 11705 serdes_net_if = (REG_RD(bp, shmem_base + 11706 offsetof(struct shmem_region, dev_info. 11707 port_hw_config[port].default_cfg)) & 11708 PORT_HW_CFG_NET_SERDES_IF_MASK); 11709 /* Set the appropriate supported and flags indications per 11710 * interface type of the chip 11711 */ 11712 switch (serdes_net_if) { 11713 case PORT_HW_CFG_NET_SERDES_IF_SGMII: 11714 phy->supported &= (SUPPORTED_10baseT_Half | 11715 SUPPORTED_10baseT_Full | 11716 SUPPORTED_100baseT_Half | 11717 SUPPORTED_100baseT_Full | 11718 SUPPORTED_1000baseT_Full | 11719 SUPPORTED_FIBRE | 11720 SUPPORTED_Autoneg | 11721 SUPPORTED_Pause | 11722 SUPPORTED_Asym_Pause); 11723 phy->media_type = ETH_PHY_BASE_T; 11724 break; 11725 case PORT_HW_CFG_NET_SERDES_IF_XFI: 11726 phy->media_type = ETH_PHY_XFP_FIBER; 11727 break; 11728 case PORT_HW_CFG_NET_SERDES_IF_SFI: 11729 phy->supported &= (SUPPORTED_1000baseT_Full | 11730 SUPPORTED_10000baseT_Full | 11731 SUPPORTED_FIBRE | 11732 SUPPORTED_Pause | 11733 SUPPORTED_Asym_Pause); 11734 phy->media_type = ETH_PHY_SFPP_10G_FIBER; 11735 break; 11736 case PORT_HW_CFG_NET_SERDES_IF_KR: 11737 phy->media_type = ETH_PHY_KR; 11738 phy->supported &= (SUPPORTED_1000baseT_Full | 11739 SUPPORTED_10000baseT_Full | 11740 SUPPORTED_FIBRE | 11741 SUPPORTED_Autoneg | 11742 SUPPORTED_Pause | 11743 SUPPORTED_Asym_Pause); 11744 break; 11745 case PORT_HW_CFG_NET_SERDES_IF_DXGXS: 11746 phy->media_type = ETH_PHY_KR; 11747 phy->flags |= FLAGS_WC_DUAL_MODE; 11748 phy->supported &= (SUPPORTED_20000baseMLD2_Full | 11749 SUPPORTED_FIBRE | 11750 SUPPORTED_Pause | 11751 SUPPORTED_Asym_Pause); 11752 break; 11753 case PORT_HW_CFG_NET_SERDES_IF_KR2: 11754 phy->media_type = ETH_PHY_KR; 11755 phy->flags |= FLAGS_WC_DUAL_MODE; 11756 phy->supported &= (SUPPORTED_20000baseKR2_Full | 11757 SUPPORTED_FIBRE | 11758 SUPPORTED_Pause | 11759 SUPPORTED_Asym_Pause); 11760 break; 11761 default: 11762 DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n", 11763 serdes_net_if); 11764 break; 11765 } 11766 11767 /* Enable MDC/MDIO work-around for E3 A0 since free running MDC 11768 * was not set as expected. For B0, ECO will be enabled so there 11769 * won't be an issue there 11770 */ 11771 if (CHIP_REV(bp) == CHIP_REV_Ax) 11772 phy->flags |= FLAGS_MDC_MDIO_WA; 11773 else 11774 phy->flags |= FLAGS_MDC_MDIO_WA_B0; 11775 } else { 11776 switch (switch_cfg) { 11777 case SWITCH_CFG_1G: 11778 phy_addr = REG_RD(bp, 11779 NIG_REG_SERDES0_CTRL_PHY_ADDR + 11780 port * 0x10); 11781 *phy = phy_serdes; 11782 break; 11783 case SWITCH_CFG_10G: 11784 phy_addr = REG_RD(bp, 11785 NIG_REG_XGXS0_CTRL_PHY_ADDR + 11786 port * 0x18); 11787 *phy = phy_xgxs; 11788 break; 11789 default: 11790 DP(NETIF_MSG_LINK, "Invalid switch_cfg\n"); 11791 return -EINVAL; 11792 } 11793 } 11794 phy->addr = (u8)phy_addr; 11795 phy->mdio_ctrl = bnx2x_get_emac_base(bp, 11796 SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH, 11797 port); 11798 if (CHIP_IS_E2(bp)) 11799 phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR; 11800 else 11801 phy->def_md_devad = DEFAULT_PHY_DEV_ADDR; 11802 11803 DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n", 11804 port, phy->addr, phy->mdio_ctrl); 11805 11806 bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY); 11807 return 0; 11808 } 11809 11810 static int bnx2x_populate_ext_phy(struct bnx2x *bp, 11811 u8 phy_index, 11812 u32 shmem_base, 11813 u32 shmem2_base, 11814 u8 port, 11815 struct bnx2x_phy *phy) 11816 { 11817 u32 ext_phy_config, phy_type, config2; 11818 u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH; 11819 ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base, 11820 phy_index, port); 11821 phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config); 11822 /* Select the phy type */ 11823 switch (phy_type) { 11824 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073: 11825 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED; 11826 *phy = phy_8073; 11827 break; 11828 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705: 11829 *phy = phy_8705; 11830 break; 11831 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706: 11832 *phy = phy_8706; 11833 break; 11834 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726: 11835 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1; 11836 *phy = phy_8726; 11837 break; 11838 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC: 11839 /* BCM8727_NOC => BCM8727 no over current */ 11840 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1; 11841 *phy = phy_8727; 11842 phy->flags |= FLAGS_NOC; 11843 break; 11844 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722: 11845 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727: 11846 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1; 11847 *phy = phy_8727; 11848 break; 11849 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481: 11850 *phy = phy_8481; 11851 break; 11852 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823: 11853 *phy = phy_84823; 11854 break; 11855 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833: 11856 *phy = phy_84833; 11857 break; 11858 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616: 11859 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE: 11860 *phy = phy_54618se; 11861 break; 11862 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101: 11863 *phy = phy_7101; 11864 break; 11865 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE: 11866 *phy = phy_null; 11867 return -EINVAL; 11868 default: 11869 *phy = phy_null; 11870 /* In case external PHY wasn't found */ 11871 if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) && 11872 (phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)) 11873 return -EINVAL; 11874 return 0; 11875 } 11876 11877 phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config); 11878 bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index); 11879 11880 /* The shmem address of the phy version is located on different 11881 * structures. In case this structure is too old, do not set 11882 * the address 11883 */ 11884 config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region, 11885 dev_info.shared_hw_config.config2)); 11886 if (phy_index == EXT_PHY1) { 11887 phy->ver_addr = shmem_base + offsetof(struct shmem_region, 11888 port_mb[port].ext_phy_fw_version); 11889 11890 /* Check specific mdc mdio settings */ 11891 if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK) 11892 mdc_mdio_access = config2 & 11893 SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK; 11894 } else { 11895 u32 size = REG_RD(bp, shmem2_base); 11896 11897 if (size > 11898 offsetof(struct shmem2_region, ext_phy_fw_version2)) { 11899 phy->ver_addr = shmem2_base + 11900 offsetof(struct shmem2_region, 11901 ext_phy_fw_version2[port]); 11902 } 11903 /* Check specific mdc mdio settings */ 11904 if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) 11905 mdc_mdio_access = (config2 & 11906 SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >> 11907 (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT - 11908 SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT); 11909 } 11910 phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port); 11911 11912 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) && 11913 (phy->ver_addr)) { 11914 /* Remove 100Mb link supported for BCM84833 when phy fw 11915 * version lower than or equal to 1.39 11916 */ 11917 u32 raw_ver = REG_RD(bp, phy->ver_addr); 11918 if (((raw_ver & 0x7F) <= 39) && 11919 (((raw_ver & 0xF80) >> 7) <= 1)) 11920 phy->supported &= ~(SUPPORTED_100baseT_Half | 11921 SUPPORTED_100baseT_Full); 11922 } 11923 11924 /* In case mdc/mdio_access of the external phy is different than the 11925 * mdc/mdio access of the XGXS, a HW lock must be taken in each access 11926 * to prevent one port interfere with another port's CL45 operations. 11927 */ 11928 if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH) 11929 phy->flags |= FLAGS_HW_LOCK_REQUIRED; 11930 DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n", 11931 phy_type, port, phy_index); 11932 DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n", 11933 phy->addr, phy->mdio_ctrl); 11934 return 0; 11935 } 11936 11937 static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base, 11938 u32 shmem2_base, u8 port, struct bnx2x_phy *phy) 11939 { 11940 int status = 0; 11941 phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN; 11942 if (phy_index == INT_PHY) 11943 return bnx2x_populate_int_phy(bp, shmem_base, port, phy); 11944 status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base, 11945 port, phy); 11946 return status; 11947 } 11948 11949 static void bnx2x_phy_def_cfg(struct link_params *params, 11950 struct bnx2x_phy *phy, 11951 u8 phy_index) 11952 { 11953 struct bnx2x *bp = params->bp; 11954 u32 link_config; 11955 /* Populate the default phy configuration for MF mode */ 11956 if (phy_index == EXT_PHY2) { 11957 link_config = REG_RD(bp, params->shmem_base + 11958 offsetof(struct shmem_region, dev_info. 11959 port_feature_config[params->port].link_config2)); 11960 phy->speed_cap_mask = REG_RD(bp, params->shmem_base + 11961 offsetof(struct shmem_region, 11962 dev_info. 11963 port_hw_config[params->port].speed_capability_mask2)); 11964 } else { 11965 link_config = REG_RD(bp, params->shmem_base + 11966 offsetof(struct shmem_region, dev_info. 11967 port_feature_config[params->port].link_config)); 11968 phy->speed_cap_mask = REG_RD(bp, params->shmem_base + 11969 offsetof(struct shmem_region, 11970 dev_info. 11971 port_hw_config[params->port].speed_capability_mask)); 11972 } 11973 DP(NETIF_MSG_LINK, 11974 "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n", 11975 phy_index, link_config, phy->speed_cap_mask); 11976 11977 phy->req_duplex = DUPLEX_FULL; 11978 switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) { 11979 case PORT_FEATURE_LINK_SPEED_10M_HALF: 11980 phy->req_duplex = DUPLEX_HALF; 11981 case PORT_FEATURE_LINK_SPEED_10M_FULL: 11982 phy->req_line_speed = SPEED_10; 11983 break; 11984 case PORT_FEATURE_LINK_SPEED_100M_HALF: 11985 phy->req_duplex = DUPLEX_HALF; 11986 case PORT_FEATURE_LINK_SPEED_100M_FULL: 11987 phy->req_line_speed = SPEED_100; 11988 break; 11989 case PORT_FEATURE_LINK_SPEED_1G: 11990 phy->req_line_speed = SPEED_1000; 11991 break; 11992 case PORT_FEATURE_LINK_SPEED_2_5G: 11993 phy->req_line_speed = SPEED_2500; 11994 break; 11995 case PORT_FEATURE_LINK_SPEED_10G_CX4: 11996 phy->req_line_speed = SPEED_10000; 11997 break; 11998 default: 11999 phy->req_line_speed = SPEED_AUTO_NEG; 12000 break; 12001 } 12002 12003 switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) { 12004 case PORT_FEATURE_FLOW_CONTROL_AUTO: 12005 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO; 12006 break; 12007 case PORT_FEATURE_FLOW_CONTROL_TX: 12008 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX; 12009 break; 12010 case PORT_FEATURE_FLOW_CONTROL_RX: 12011 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX; 12012 break; 12013 case PORT_FEATURE_FLOW_CONTROL_BOTH: 12014 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH; 12015 break; 12016 default: 12017 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE; 12018 break; 12019 } 12020 } 12021 12022 u32 bnx2x_phy_selection(struct link_params *params) 12023 { 12024 u32 phy_config_swapped, prio_cfg; 12025 u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT; 12026 12027 phy_config_swapped = params->multi_phy_config & 12028 PORT_HW_CFG_PHY_SWAPPED_ENABLED; 12029 12030 prio_cfg = params->multi_phy_config & 12031 PORT_HW_CFG_PHY_SELECTION_MASK; 12032 12033 if (phy_config_swapped) { 12034 switch (prio_cfg) { 12035 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY: 12036 return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY; 12037 break; 12038 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY: 12039 return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY; 12040 break; 12041 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY: 12042 return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY; 12043 break; 12044 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY: 12045 return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY; 12046 break; 12047 } 12048 } else 12049 return_cfg = prio_cfg; 12050 12051 return return_cfg; 12052 } 12053 12054 12055 int bnx2x_phy_probe(struct link_params *params) 12056 { 12057 u8 phy_index, actual_phy_idx; 12058 u32 phy_config_swapped, sync_offset, media_types; 12059 struct bnx2x *bp = params->bp; 12060 struct bnx2x_phy *phy; 12061 params->num_phys = 0; 12062 DP(NETIF_MSG_LINK, "Begin phy probe\n"); 12063 phy_config_swapped = params->multi_phy_config & 12064 PORT_HW_CFG_PHY_SWAPPED_ENABLED; 12065 12066 for (phy_index = INT_PHY; phy_index < MAX_PHYS; 12067 phy_index++) { 12068 actual_phy_idx = phy_index; 12069 if (phy_config_swapped) { 12070 if (phy_index == EXT_PHY1) 12071 actual_phy_idx = EXT_PHY2; 12072 else if (phy_index == EXT_PHY2) 12073 actual_phy_idx = EXT_PHY1; 12074 } 12075 DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x," 12076 " actual_phy_idx %x\n", phy_config_swapped, 12077 phy_index, actual_phy_idx); 12078 phy = ¶ms->phy[actual_phy_idx]; 12079 if (bnx2x_populate_phy(bp, phy_index, params->shmem_base, 12080 params->shmem2_base, params->port, 12081 phy) != 0) { 12082 params->num_phys = 0; 12083 DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n", 12084 phy_index); 12085 for (phy_index = INT_PHY; 12086 phy_index < MAX_PHYS; 12087 phy_index++) 12088 *phy = phy_null; 12089 return -EINVAL; 12090 } 12091 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN) 12092 break; 12093 12094 if (params->feature_config_flags & 12095 FEATURE_CONFIG_DISABLE_REMOTE_FAULT_DET) 12096 phy->flags &= ~FLAGS_TX_ERROR_CHECK; 12097 12098 sync_offset = params->shmem_base + 12099 offsetof(struct shmem_region, 12100 dev_info.port_hw_config[params->port].media_type); 12101 media_types = REG_RD(bp, sync_offset); 12102 12103 /* Update media type for non-PMF sync only for the first time 12104 * In case the media type changes afterwards, it will be updated 12105 * using the update_status function 12106 */ 12107 if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK << 12108 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * 12109 actual_phy_idx))) == 0) { 12110 media_types |= ((phy->media_type & 12111 PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) << 12112 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * 12113 actual_phy_idx)); 12114 } 12115 REG_WR(bp, sync_offset, media_types); 12116 12117 bnx2x_phy_def_cfg(params, phy, phy_index); 12118 params->num_phys++; 12119 } 12120 12121 DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys); 12122 return 0; 12123 } 12124 12125 void bnx2x_init_bmac_loopback(struct link_params *params, 12126 struct link_vars *vars) 12127 { 12128 struct bnx2x *bp = params->bp; 12129 vars->link_up = 1; 12130 vars->line_speed = SPEED_10000; 12131 vars->duplex = DUPLEX_FULL; 12132 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE; 12133 vars->mac_type = MAC_TYPE_BMAC; 12134 12135 vars->phy_flags = PHY_XGXS_FLAG; 12136 12137 bnx2x_xgxs_deassert(params); 12138 12139 /* set bmac loopback */ 12140 bnx2x_bmac_enable(params, vars, 1); 12141 12142 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0); 12143 } 12144 12145 void bnx2x_init_emac_loopback(struct link_params *params, 12146 struct link_vars *vars) 12147 { 12148 struct bnx2x *bp = params->bp; 12149 vars->link_up = 1; 12150 vars->line_speed = SPEED_1000; 12151 vars->duplex = DUPLEX_FULL; 12152 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE; 12153 vars->mac_type = MAC_TYPE_EMAC; 12154 12155 vars->phy_flags = PHY_XGXS_FLAG; 12156 12157 bnx2x_xgxs_deassert(params); 12158 /* set bmac loopback */ 12159 bnx2x_emac_enable(params, vars, 1); 12160 bnx2x_emac_program(params, vars); 12161 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0); 12162 } 12163 12164 void bnx2x_init_xmac_loopback(struct link_params *params, 12165 struct link_vars *vars) 12166 { 12167 struct bnx2x *bp = params->bp; 12168 vars->link_up = 1; 12169 if (!params->req_line_speed[0]) 12170 vars->line_speed = SPEED_10000; 12171 else 12172 vars->line_speed = params->req_line_speed[0]; 12173 vars->duplex = DUPLEX_FULL; 12174 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE; 12175 vars->mac_type = MAC_TYPE_XMAC; 12176 vars->phy_flags = PHY_XGXS_FLAG; 12177 /* Set WC to loopback mode since link is required to provide clock 12178 * to the XMAC in 20G mode 12179 */ 12180 bnx2x_set_aer_mmd(params, ¶ms->phy[0]); 12181 bnx2x_warpcore_reset_lane(bp, ¶ms->phy[0], 0); 12182 params->phy[INT_PHY].config_loopback( 12183 ¶ms->phy[INT_PHY], 12184 params); 12185 12186 bnx2x_xmac_enable(params, vars, 1); 12187 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0); 12188 } 12189 12190 void bnx2x_init_umac_loopback(struct link_params *params, 12191 struct link_vars *vars) 12192 { 12193 struct bnx2x *bp = params->bp; 12194 vars->link_up = 1; 12195 vars->line_speed = SPEED_1000; 12196 vars->duplex = DUPLEX_FULL; 12197 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE; 12198 vars->mac_type = MAC_TYPE_UMAC; 12199 vars->phy_flags = PHY_XGXS_FLAG; 12200 bnx2x_umac_enable(params, vars, 1); 12201 12202 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0); 12203 } 12204 12205 void bnx2x_init_xgxs_loopback(struct link_params *params, 12206 struct link_vars *vars) 12207 { 12208 struct bnx2x *bp = params->bp; 12209 vars->link_up = 1; 12210 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE; 12211 vars->duplex = DUPLEX_FULL; 12212 if (params->req_line_speed[0] == SPEED_1000) 12213 vars->line_speed = SPEED_1000; 12214 else 12215 vars->line_speed = SPEED_10000; 12216 12217 if (!USES_WARPCORE(bp)) 12218 bnx2x_xgxs_deassert(params); 12219 bnx2x_link_initialize(params, vars); 12220 12221 if (params->req_line_speed[0] == SPEED_1000) { 12222 if (USES_WARPCORE(bp)) 12223 bnx2x_umac_enable(params, vars, 0); 12224 else { 12225 bnx2x_emac_program(params, vars); 12226 bnx2x_emac_enable(params, vars, 0); 12227 } 12228 } else { 12229 if (USES_WARPCORE(bp)) 12230 bnx2x_xmac_enable(params, vars, 0); 12231 else 12232 bnx2x_bmac_enable(params, vars, 0); 12233 } 12234 12235 if (params->loopback_mode == LOOPBACK_XGXS) { 12236 /* set 10G XGXS loopback */ 12237 params->phy[INT_PHY].config_loopback( 12238 ¶ms->phy[INT_PHY], 12239 params); 12240 12241 } else { 12242 /* set external phy loopback */ 12243 u8 phy_index; 12244 for (phy_index = EXT_PHY1; 12245 phy_index < params->num_phys; phy_index++) { 12246 if (params->phy[phy_index].config_loopback) 12247 params->phy[phy_index].config_loopback( 12248 ¶ms->phy[phy_index], 12249 params); 12250 } 12251 } 12252 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0); 12253 12254 bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed); 12255 } 12256 12257 int bnx2x_phy_init(struct link_params *params, struct link_vars *vars) 12258 { 12259 struct bnx2x *bp = params->bp; 12260 DP(NETIF_MSG_LINK, "Phy Initialization started\n"); 12261 DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n", 12262 params->req_line_speed[0], params->req_flow_ctrl[0]); 12263 DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n", 12264 params->req_line_speed[1], params->req_flow_ctrl[1]); 12265 vars->link_status = 0; 12266 vars->phy_link_up = 0; 12267 vars->link_up = 0; 12268 vars->line_speed = 0; 12269 vars->duplex = DUPLEX_FULL; 12270 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE; 12271 vars->mac_type = MAC_TYPE_NONE; 12272 vars->phy_flags = 0; 12273 12274 /* Disable attentions */ 12275 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4, 12276 (NIG_MASK_XGXS0_LINK_STATUS | 12277 NIG_MASK_XGXS0_LINK10G | 12278 NIG_MASK_SERDES0_LINK_STATUS | 12279 NIG_MASK_MI_INT)); 12280 12281 bnx2x_emac_init(params, vars); 12282 12283 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) 12284 vars->link_status |= LINK_STATUS_PFC_ENABLED; 12285 12286 if (params->num_phys == 0) { 12287 DP(NETIF_MSG_LINK, "No phy found for initialization !!\n"); 12288 return -EINVAL; 12289 } 12290 set_phy_vars(params, vars); 12291 12292 DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys); 12293 switch (params->loopback_mode) { 12294 case LOOPBACK_BMAC: 12295 bnx2x_init_bmac_loopback(params, vars); 12296 break; 12297 case LOOPBACK_EMAC: 12298 bnx2x_init_emac_loopback(params, vars); 12299 break; 12300 case LOOPBACK_XMAC: 12301 bnx2x_init_xmac_loopback(params, vars); 12302 break; 12303 case LOOPBACK_UMAC: 12304 bnx2x_init_umac_loopback(params, vars); 12305 break; 12306 case LOOPBACK_XGXS: 12307 case LOOPBACK_EXT_PHY: 12308 bnx2x_init_xgxs_loopback(params, vars); 12309 break; 12310 default: 12311 if (!CHIP_IS_E3(bp)) { 12312 if (params->switch_cfg == SWITCH_CFG_10G) 12313 bnx2x_xgxs_deassert(params); 12314 else 12315 bnx2x_serdes_deassert(bp, params->port); 12316 } 12317 bnx2x_link_initialize(params, vars); 12318 msleep(30); 12319 bnx2x_link_int_enable(params); 12320 break; 12321 } 12322 bnx2x_update_mng(params, vars->link_status); 12323 12324 bnx2x_update_mng_eee(params, vars->eee_status); 12325 return 0; 12326 } 12327 12328 int bnx2x_link_reset(struct link_params *params, struct link_vars *vars, 12329 u8 reset_ext_phy) 12330 { 12331 struct bnx2x *bp = params->bp; 12332 u8 phy_index, port = params->port, clear_latch_ind = 0; 12333 DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port); 12334 /* Disable attentions */ 12335 vars->link_status = 0; 12336 bnx2x_update_mng(params, vars->link_status); 12337 vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK | 12338 SHMEM_EEE_ACTIVE_BIT); 12339 bnx2x_update_mng_eee(params, vars->eee_status); 12340 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 12341 (NIG_MASK_XGXS0_LINK_STATUS | 12342 NIG_MASK_XGXS0_LINK10G | 12343 NIG_MASK_SERDES0_LINK_STATUS | 12344 NIG_MASK_MI_INT)); 12345 12346 /* Activate nig drain */ 12347 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1); 12348 12349 /* Disable nig egress interface */ 12350 if (!CHIP_IS_E3(bp)) { 12351 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0); 12352 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0); 12353 } 12354 12355 /* Stop BigMac rx */ 12356 if (!CHIP_IS_E3(bp)) 12357 bnx2x_bmac_rx_disable(bp, port); 12358 else { 12359 bnx2x_xmac_disable(params); 12360 bnx2x_umac_disable(params); 12361 } 12362 /* Disable emac */ 12363 if (!CHIP_IS_E3(bp)) 12364 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0); 12365 12366 usleep_range(10000, 20000); 12367 /* The PHY reset is controlled by GPIO 1 12368 * Hold it as vars low 12369 */ 12370 /* Clear link led */ 12371 bnx2x_set_mdio_clk(bp, params->chip_id, port); 12372 bnx2x_set_led(params, vars, LED_MODE_OFF, 0); 12373 12374 if (reset_ext_phy) { 12375 for (phy_index = EXT_PHY1; phy_index < params->num_phys; 12376 phy_index++) { 12377 if (params->phy[phy_index].link_reset) { 12378 bnx2x_set_aer_mmd(params, 12379 ¶ms->phy[phy_index]); 12380 params->phy[phy_index].link_reset( 12381 ¶ms->phy[phy_index], 12382 params); 12383 } 12384 if (params->phy[phy_index].flags & 12385 FLAGS_REARM_LATCH_SIGNAL) 12386 clear_latch_ind = 1; 12387 } 12388 } 12389 12390 if (clear_latch_ind) { 12391 /* Clear latching indication */ 12392 bnx2x_rearm_latch_signal(bp, port, 0); 12393 bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4, 12394 1 << NIG_LATCH_BC_ENABLE_MI_INT); 12395 } 12396 if (params->phy[INT_PHY].link_reset) 12397 params->phy[INT_PHY].link_reset( 12398 ¶ms->phy[INT_PHY], params); 12399 12400 /* Disable nig ingress interface */ 12401 if (!CHIP_IS_E3(bp)) { 12402 /* Reset BigMac */ 12403 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 12404 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port)); 12405 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0); 12406 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0); 12407 } else { 12408 u32 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0; 12409 bnx2x_set_xumac_nig(params, 0, 0); 12410 if (REG_RD(bp, MISC_REG_RESET_REG_2) & 12411 MISC_REGISTERS_RESET_REG_2_XMAC) 12412 REG_WR(bp, xmac_base + XMAC_REG_CTRL, 12413 XMAC_CTRL_REG_SOFT_RESET); 12414 } 12415 vars->link_up = 0; 12416 vars->phy_flags = 0; 12417 return 0; 12418 } 12419 12420 /****************************************************************************/ 12421 /* Common function */ 12422 /****************************************************************************/ 12423 static int bnx2x_8073_common_init_phy(struct bnx2x *bp, 12424 u32 shmem_base_path[], 12425 u32 shmem2_base_path[], u8 phy_index, 12426 u32 chip_id) 12427 { 12428 struct bnx2x_phy phy[PORT_MAX]; 12429 struct bnx2x_phy *phy_blk[PORT_MAX]; 12430 u16 val; 12431 s8 port = 0; 12432 s8 port_of_path = 0; 12433 u32 swap_val, swap_override; 12434 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP); 12435 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE); 12436 port ^= (swap_val && swap_override); 12437 bnx2x_ext_phy_hw_reset(bp, port); 12438 /* PART1 - Reset both phys */ 12439 for (port = PORT_MAX - 1; port >= PORT_0; port--) { 12440 u32 shmem_base, shmem2_base; 12441 /* In E2, same phy is using for port0 of the two paths */ 12442 if (CHIP_IS_E1x(bp)) { 12443 shmem_base = shmem_base_path[0]; 12444 shmem2_base = shmem2_base_path[0]; 12445 port_of_path = port; 12446 } else { 12447 shmem_base = shmem_base_path[port]; 12448 shmem2_base = shmem2_base_path[port]; 12449 port_of_path = 0; 12450 } 12451 12452 /* Extract the ext phy address for the port */ 12453 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base, 12454 port_of_path, &phy[port]) != 12455 0) { 12456 DP(NETIF_MSG_LINK, "populate_phy failed\n"); 12457 return -EINVAL; 12458 } 12459 /* Disable attentions */ 12460 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + 12461 port_of_path*4, 12462 (NIG_MASK_XGXS0_LINK_STATUS | 12463 NIG_MASK_XGXS0_LINK10G | 12464 NIG_MASK_SERDES0_LINK_STATUS | 12465 NIG_MASK_MI_INT)); 12466 12467 /* Need to take the phy out of low power mode in order 12468 * to write to access its registers 12469 */ 12470 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, 12471 MISC_REGISTERS_GPIO_OUTPUT_HIGH, 12472 port); 12473 12474 /* Reset the phy */ 12475 bnx2x_cl45_write(bp, &phy[port], 12476 MDIO_PMA_DEVAD, 12477 MDIO_PMA_REG_CTRL, 12478 1<<15); 12479 } 12480 12481 /* Add delay of 150ms after reset */ 12482 msleep(150); 12483 12484 if (phy[PORT_0].addr & 0x1) { 12485 phy_blk[PORT_0] = &(phy[PORT_1]); 12486 phy_blk[PORT_1] = &(phy[PORT_0]); 12487 } else { 12488 phy_blk[PORT_0] = &(phy[PORT_0]); 12489 phy_blk[PORT_1] = &(phy[PORT_1]); 12490 } 12491 12492 /* PART2 - Download firmware to both phys */ 12493 for (port = PORT_MAX - 1; port >= PORT_0; port--) { 12494 if (CHIP_IS_E1x(bp)) 12495 port_of_path = port; 12496 else 12497 port_of_path = 0; 12498 12499 DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n", 12500 phy_blk[port]->addr); 12501 if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port], 12502 port_of_path)) 12503 return -EINVAL; 12504 12505 /* Only set bit 10 = 1 (Tx power down) */ 12506 bnx2x_cl45_read(bp, phy_blk[port], 12507 MDIO_PMA_DEVAD, 12508 MDIO_PMA_REG_TX_POWER_DOWN, &val); 12509 12510 /* Phase1 of TX_POWER_DOWN reset */ 12511 bnx2x_cl45_write(bp, phy_blk[port], 12512 MDIO_PMA_DEVAD, 12513 MDIO_PMA_REG_TX_POWER_DOWN, 12514 (val | 1<<10)); 12515 } 12516 12517 /* Toggle Transmitter: Power down and then up with 600ms delay 12518 * between 12519 */ 12520 msleep(600); 12521 12522 /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */ 12523 for (port = PORT_MAX - 1; port >= PORT_0; port--) { 12524 /* Phase2 of POWER_DOWN_RESET */ 12525 /* Release bit 10 (Release Tx power down) */ 12526 bnx2x_cl45_read(bp, phy_blk[port], 12527 MDIO_PMA_DEVAD, 12528 MDIO_PMA_REG_TX_POWER_DOWN, &val); 12529 12530 bnx2x_cl45_write(bp, phy_blk[port], 12531 MDIO_PMA_DEVAD, 12532 MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10)))); 12533 usleep_range(15000, 30000); 12534 12535 /* Read modify write the SPI-ROM version select register */ 12536 bnx2x_cl45_read(bp, phy_blk[port], 12537 MDIO_PMA_DEVAD, 12538 MDIO_PMA_REG_EDC_FFE_MAIN, &val); 12539 bnx2x_cl45_write(bp, phy_blk[port], 12540 MDIO_PMA_DEVAD, 12541 MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12))); 12542 12543 /* set GPIO2 back to LOW */ 12544 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, 12545 MISC_REGISTERS_GPIO_OUTPUT_LOW, port); 12546 } 12547 return 0; 12548 } 12549 static int bnx2x_8726_common_init_phy(struct bnx2x *bp, 12550 u32 shmem_base_path[], 12551 u32 shmem2_base_path[], u8 phy_index, 12552 u32 chip_id) 12553 { 12554 u32 val; 12555 s8 port; 12556 struct bnx2x_phy phy; 12557 /* Use port1 because of the static port-swap */ 12558 /* Enable the module detection interrupt */ 12559 val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN); 12560 val |= ((1<<MISC_REGISTERS_GPIO_3)| 12561 (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT))); 12562 REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val); 12563 12564 bnx2x_ext_phy_hw_reset(bp, 0); 12565 usleep_range(5000, 10000); 12566 for (port = 0; port < PORT_MAX; port++) { 12567 u32 shmem_base, shmem2_base; 12568 12569 /* In E2, same phy is using for port0 of the two paths */ 12570 if (CHIP_IS_E1x(bp)) { 12571 shmem_base = shmem_base_path[0]; 12572 shmem2_base = shmem2_base_path[0]; 12573 } else { 12574 shmem_base = shmem_base_path[port]; 12575 shmem2_base = shmem2_base_path[port]; 12576 } 12577 /* Extract the ext phy address for the port */ 12578 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base, 12579 port, &phy) != 12580 0) { 12581 DP(NETIF_MSG_LINK, "populate phy failed\n"); 12582 return -EINVAL; 12583 } 12584 12585 /* Reset phy*/ 12586 bnx2x_cl45_write(bp, &phy, 12587 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001); 12588 12589 12590 /* Set fault module detected LED on */ 12591 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0, 12592 MISC_REGISTERS_GPIO_HIGH, 12593 port); 12594 } 12595 12596 return 0; 12597 } 12598 static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base, 12599 u8 *io_gpio, u8 *io_port) 12600 { 12601 12602 u32 phy_gpio_reset = REG_RD(bp, shmem_base + 12603 offsetof(struct shmem_region, 12604 dev_info.port_hw_config[PORT_0].default_cfg)); 12605 switch (phy_gpio_reset) { 12606 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0: 12607 *io_gpio = 0; 12608 *io_port = 0; 12609 break; 12610 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0: 12611 *io_gpio = 1; 12612 *io_port = 0; 12613 break; 12614 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0: 12615 *io_gpio = 2; 12616 *io_port = 0; 12617 break; 12618 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0: 12619 *io_gpio = 3; 12620 *io_port = 0; 12621 break; 12622 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1: 12623 *io_gpio = 0; 12624 *io_port = 1; 12625 break; 12626 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1: 12627 *io_gpio = 1; 12628 *io_port = 1; 12629 break; 12630 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1: 12631 *io_gpio = 2; 12632 *io_port = 1; 12633 break; 12634 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1: 12635 *io_gpio = 3; 12636 *io_port = 1; 12637 break; 12638 default: 12639 /* Don't override the io_gpio and io_port */ 12640 break; 12641 } 12642 } 12643 12644 static int bnx2x_8727_common_init_phy(struct bnx2x *bp, 12645 u32 shmem_base_path[], 12646 u32 shmem2_base_path[], u8 phy_index, 12647 u32 chip_id) 12648 { 12649 s8 port, reset_gpio; 12650 u32 swap_val, swap_override; 12651 struct bnx2x_phy phy[PORT_MAX]; 12652 struct bnx2x_phy *phy_blk[PORT_MAX]; 12653 s8 port_of_path; 12654 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP); 12655 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE); 12656 12657 reset_gpio = MISC_REGISTERS_GPIO_1; 12658 port = 1; 12659 12660 /* Retrieve the reset gpio/port which control the reset. 12661 * Default is GPIO1, PORT1 12662 */ 12663 bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0], 12664 (u8 *)&reset_gpio, (u8 *)&port); 12665 12666 /* Calculate the port based on port swap */ 12667 port ^= (swap_val && swap_override); 12668 12669 /* Initiate PHY reset*/ 12670 bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW, 12671 port); 12672 usleep_range(1000, 2000); 12673 bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH, 12674 port); 12675 12676 usleep_range(5000, 10000); 12677 12678 /* PART1 - Reset both phys */ 12679 for (port = PORT_MAX - 1; port >= PORT_0; port--) { 12680 u32 shmem_base, shmem2_base; 12681 12682 /* In E2, same phy is using for port0 of the two paths */ 12683 if (CHIP_IS_E1x(bp)) { 12684 shmem_base = shmem_base_path[0]; 12685 shmem2_base = shmem2_base_path[0]; 12686 port_of_path = port; 12687 } else { 12688 shmem_base = shmem_base_path[port]; 12689 shmem2_base = shmem2_base_path[port]; 12690 port_of_path = 0; 12691 } 12692 12693 /* Extract the ext phy address for the port */ 12694 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base, 12695 port_of_path, &phy[port]) != 12696 0) { 12697 DP(NETIF_MSG_LINK, "populate phy failed\n"); 12698 return -EINVAL; 12699 } 12700 /* disable attentions */ 12701 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + 12702 port_of_path*4, 12703 (NIG_MASK_XGXS0_LINK_STATUS | 12704 NIG_MASK_XGXS0_LINK10G | 12705 NIG_MASK_SERDES0_LINK_STATUS | 12706 NIG_MASK_MI_INT)); 12707 12708 12709 /* Reset the phy */ 12710 bnx2x_cl45_write(bp, &phy[port], 12711 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15); 12712 } 12713 12714 /* Add delay of 150ms after reset */ 12715 msleep(150); 12716 if (phy[PORT_0].addr & 0x1) { 12717 phy_blk[PORT_0] = &(phy[PORT_1]); 12718 phy_blk[PORT_1] = &(phy[PORT_0]); 12719 } else { 12720 phy_blk[PORT_0] = &(phy[PORT_0]); 12721 phy_blk[PORT_1] = &(phy[PORT_1]); 12722 } 12723 /* PART2 - Download firmware to both phys */ 12724 for (port = PORT_MAX - 1; port >= PORT_0; port--) { 12725 if (CHIP_IS_E1x(bp)) 12726 port_of_path = port; 12727 else 12728 port_of_path = 0; 12729 DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n", 12730 phy_blk[port]->addr); 12731 if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port], 12732 port_of_path)) 12733 return -EINVAL; 12734 /* Disable PHY transmitter output */ 12735 bnx2x_cl45_write(bp, phy_blk[port], 12736 MDIO_PMA_DEVAD, 12737 MDIO_PMA_REG_TX_DISABLE, 1); 12738 12739 } 12740 return 0; 12741 } 12742 12743 static int bnx2x_84833_common_init_phy(struct bnx2x *bp, 12744 u32 shmem_base_path[], 12745 u32 shmem2_base_path[], 12746 u8 phy_index, 12747 u32 chip_id) 12748 { 12749 u8 reset_gpios; 12750 reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id); 12751 bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW); 12752 udelay(10); 12753 bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH); 12754 DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n", 12755 reset_gpios); 12756 return 0; 12757 } 12758 12759 static int bnx2x_84833_pre_init_phy(struct bnx2x *bp, 12760 struct bnx2x_phy *phy) 12761 { 12762 u16 val, cnt; 12763 /* Wait for FW completing its initialization. */ 12764 for (cnt = 0; cnt < 1500; cnt++) { 12765 bnx2x_cl45_read(bp, phy, 12766 MDIO_PMA_DEVAD, 12767 MDIO_PMA_REG_CTRL, &val); 12768 if (!(val & (1<<15))) 12769 break; 12770 usleep_range(1000, 2000); 12771 } 12772 if (cnt >= 1500) { 12773 DP(NETIF_MSG_LINK, "84833 reset timeout\n"); 12774 return -EINVAL; 12775 } 12776 12777 /* Put the port in super isolate mode. */ 12778 bnx2x_cl45_read(bp, phy, 12779 MDIO_CTL_DEVAD, 12780 MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val); 12781 val |= MDIO_84833_SUPER_ISOLATE; 12782 bnx2x_cl45_write(bp, phy, 12783 MDIO_CTL_DEVAD, 12784 MDIO_84833_TOP_CFG_XGPHY_STRAP1, val); 12785 12786 /* Save spirom version */ 12787 bnx2x_save_848xx_spirom_version(phy, bp, PORT_0); 12788 return 0; 12789 } 12790 12791 int bnx2x_pre_init_phy(struct bnx2x *bp, 12792 u32 shmem_base, 12793 u32 shmem2_base, 12794 u32 chip_id) 12795 { 12796 int rc = 0; 12797 struct bnx2x_phy phy; 12798 bnx2x_set_mdio_clk(bp, chip_id, PORT_0); 12799 if (bnx2x_populate_phy(bp, EXT_PHY1, shmem_base, shmem2_base, 12800 PORT_0, &phy)) { 12801 DP(NETIF_MSG_LINK, "populate_phy failed\n"); 12802 return -EINVAL; 12803 } 12804 switch (phy.type) { 12805 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833: 12806 rc = bnx2x_84833_pre_init_phy(bp, &phy); 12807 break; 12808 default: 12809 break; 12810 } 12811 return rc; 12812 } 12813 12814 static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[], 12815 u32 shmem2_base_path[], u8 phy_index, 12816 u32 ext_phy_type, u32 chip_id) 12817 { 12818 int rc = 0; 12819 12820 switch (ext_phy_type) { 12821 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073: 12822 rc = bnx2x_8073_common_init_phy(bp, shmem_base_path, 12823 shmem2_base_path, 12824 phy_index, chip_id); 12825 break; 12826 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722: 12827 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727: 12828 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC: 12829 rc = bnx2x_8727_common_init_phy(bp, shmem_base_path, 12830 shmem2_base_path, 12831 phy_index, chip_id); 12832 break; 12833 12834 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726: 12835 /* GPIO1 affects both ports, so there's need to pull 12836 * it for single port alone 12837 */ 12838 rc = bnx2x_8726_common_init_phy(bp, shmem_base_path, 12839 shmem2_base_path, 12840 phy_index, chip_id); 12841 break; 12842 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833: 12843 /* GPIO3's are linked, and so both need to be toggled 12844 * to obtain required 2us pulse. 12845 */ 12846 rc = bnx2x_84833_common_init_phy(bp, shmem_base_path, 12847 shmem2_base_path, 12848 phy_index, chip_id); 12849 break; 12850 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE: 12851 rc = -EINVAL; 12852 break; 12853 default: 12854 DP(NETIF_MSG_LINK, 12855 "ext_phy 0x%x common init not required\n", 12856 ext_phy_type); 12857 break; 12858 } 12859 12860 if (rc) 12861 netdev_err(bp->dev, "Warning: PHY was not initialized," 12862 " Port %d\n", 12863 0); 12864 return rc; 12865 } 12866 12867 int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[], 12868 u32 shmem2_base_path[], u32 chip_id) 12869 { 12870 int rc = 0; 12871 u32 phy_ver, val; 12872 u8 phy_index = 0; 12873 u32 ext_phy_type, ext_phy_config; 12874 bnx2x_set_mdio_clk(bp, chip_id, PORT_0); 12875 bnx2x_set_mdio_clk(bp, chip_id, PORT_1); 12876 DP(NETIF_MSG_LINK, "Begin common phy init\n"); 12877 if (CHIP_IS_E3(bp)) { 12878 /* Enable EPIO */ 12879 val = REG_RD(bp, MISC_REG_GEN_PURP_HWG); 12880 REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1); 12881 } 12882 /* Check if common init was already done */ 12883 phy_ver = REG_RD(bp, shmem_base_path[0] + 12884 offsetof(struct shmem_region, 12885 port_mb[PORT_0].ext_phy_fw_version)); 12886 if (phy_ver) { 12887 DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n", 12888 phy_ver); 12889 return 0; 12890 } 12891 12892 /* Read the ext_phy_type for arbitrary port(0) */ 12893 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS; 12894 phy_index++) { 12895 ext_phy_config = bnx2x_get_ext_phy_config(bp, 12896 shmem_base_path[0], 12897 phy_index, 0); 12898 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config); 12899 rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path, 12900 shmem2_base_path, 12901 phy_index, ext_phy_type, 12902 chip_id); 12903 } 12904 return rc; 12905 } 12906 12907 static void bnx2x_check_over_curr(struct link_params *params, 12908 struct link_vars *vars) 12909 { 12910 struct bnx2x *bp = params->bp; 12911 u32 cfg_pin; 12912 u8 port = params->port; 12913 u32 pin_val; 12914 12915 cfg_pin = (REG_RD(bp, params->shmem_base + 12916 offsetof(struct shmem_region, 12917 dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) & 12918 PORT_HW_CFG_E3_OVER_CURRENT_MASK) >> 12919 PORT_HW_CFG_E3_OVER_CURRENT_SHIFT; 12920 12921 /* Ignore check if no external input PIN available */ 12922 if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0) 12923 return; 12924 12925 if (!pin_val) { 12926 if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) { 12927 netdev_err(bp->dev, "Error: Power fault on Port %d has" 12928 " been detected and the power to " 12929 "that SFP+ module has been removed" 12930 " to prevent failure of the card." 12931 " Please remove the SFP+ module and" 12932 " restart the system to clear this" 12933 " error.\n", 12934 params->port); 12935 vars->phy_flags |= PHY_OVER_CURRENT_FLAG; 12936 } 12937 } else 12938 vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG; 12939 } 12940 12941 /* Returns 0 if no change occured since last check; 1 otherwise. */ 12942 static u8 bnx2x_analyze_link_error(struct link_params *params, 12943 struct link_vars *vars, u32 status, 12944 u32 phy_flag, u32 link_flag, u8 notify) 12945 { 12946 struct bnx2x *bp = params->bp; 12947 /* Compare new value with previous value */ 12948 u8 led_mode; 12949 u32 old_status = (vars->phy_flags & phy_flag) ? 1 : 0; 12950 12951 if ((status ^ old_status) == 0) 12952 return 0; 12953 12954 /* If values differ */ 12955 switch (phy_flag) { 12956 case PHY_HALF_OPEN_CONN_FLAG: 12957 DP(NETIF_MSG_LINK, "Analyze Remote Fault\n"); 12958 break; 12959 case PHY_SFP_TX_FAULT_FLAG: 12960 DP(NETIF_MSG_LINK, "Analyze TX Fault\n"); 12961 break; 12962 default: 12963 DP(NETIF_MSG_LINK, "Analyze UNKOWN\n"); 12964 } 12965 DP(NETIF_MSG_LINK, "Link changed:[%x %x]->%x\n", vars->link_up, 12966 old_status, status); 12967 12968 /* a. Update shmem->link_status accordingly 12969 * b. Update link_vars->link_up 12970 */ 12971 if (status) { 12972 vars->link_status &= ~LINK_STATUS_LINK_UP; 12973 vars->link_status |= link_flag; 12974 vars->link_up = 0; 12975 vars->phy_flags |= phy_flag; 12976 12977 /* activate nig drain */ 12978 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1); 12979 /* Set LED mode to off since the PHY doesn't know about these 12980 * errors 12981 */ 12982 led_mode = LED_MODE_OFF; 12983 } else { 12984 vars->link_status |= LINK_STATUS_LINK_UP; 12985 vars->link_status &= ~link_flag; 12986 vars->link_up = 1; 12987 vars->phy_flags &= ~phy_flag; 12988 led_mode = LED_MODE_OPER; 12989 12990 /* Clear nig drain */ 12991 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0); 12992 } 12993 bnx2x_sync_link(params, vars); 12994 /* Update the LED according to the link state */ 12995 bnx2x_set_led(params, vars, led_mode, SPEED_10000); 12996 12997 /* Update link status in the shared memory */ 12998 bnx2x_update_mng(params, vars->link_status); 12999 13000 /* C. Trigger General Attention */ 13001 vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT; 13002 if (notify) 13003 bnx2x_notify_link_changed(bp); 13004 13005 return 1; 13006 } 13007 13008 /****************************************************************************** 13009 * Description: 13010 * This function checks for half opened connection change indication. 13011 * When such change occurs, it calls the bnx2x_analyze_link_error 13012 * to check if Remote Fault is set or cleared. Reception of remote fault 13013 * status message in the MAC indicates that the peer's MAC has detected 13014 * a fault, for example, due to break in the TX side of fiber. 13015 * 13016 ******************************************************************************/ 13017 int bnx2x_check_half_open_conn(struct link_params *params, 13018 struct link_vars *vars, 13019 u8 notify) 13020 { 13021 struct bnx2x *bp = params->bp; 13022 u32 lss_status = 0; 13023 u32 mac_base; 13024 /* In case link status is physically up @ 10G do */ 13025 if (((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0) || 13026 (REG_RD(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4))) 13027 return 0; 13028 13029 if (CHIP_IS_E3(bp) && 13030 (REG_RD(bp, MISC_REG_RESET_REG_2) & 13031 (MISC_REGISTERS_RESET_REG_2_XMAC))) { 13032 /* Check E3 XMAC */ 13033 /* Note that link speed cannot be queried here, since it may be 13034 * zero while link is down. In case UMAC is active, LSS will 13035 * simply not be set 13036 */ 13037 mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0; 13038 13039 /* Clear stick bits (Requires rising edge) */ 13040 REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0); 13041 REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 13042 XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS | 13043 XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS); 13044 if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS)) 13045 lss_status = 1; 13046 13047 bnx2x_analyze_link_error(params, vars, lss_status, 13048 PHY_HALF_OPEN_CONN_FLAG, 13049 LINK_STATUS_NONE, notify); 13050 } else if (REG_RD(bp, MISC_REG_RESET_REG_2) & 13051 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) { 13052 /* Check E1X / E2 BMAC */ 13053 u32 lss_status_reg; 13054 u32 wb_data[2]; 13055 mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM : 13056 NIG_REG_INGRESS_BMAC0_MEM; 13057 /* Read BIGMAC_REGISTER_RX_LSS_STATUS */ 13058 if (CHIP_IS_E2(bp)) 13059 lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT; 13060 else 13061 lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS; 13062 13063 REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2); 13064 lss_status = (wb_data[0] > 0); 13065 13066 bnx2x_analyze_link_error(params, vars, lss_status, 13067 PHY_HALF_OPEN_CONN_FLAG, 13068 LINK_STATUS_NONE, notify); 13069 } 13070 return 0; 13071 } 13072 static void bnx2x_sfp_tx_fault_detection(struct bnx2x_phy *phy, 13073 struct link_params *params, 13074 struct link_vars *vars) 13075 { 13076 struct bnx2x *bp = params->bp; 13077 u32 cfg_pin, value = 0; 13078 u8 led_change, port = params->port; 13079 13080 /* Get The SFP+ TX_Fault controlling pin ([eg]pio) */ 13081 cfg_pin = (REG_RD(bp, params->shmem_base + offsetof(struct shmem_region, 13082 dev_info.port_hw_config[port].e3_cmn_pin_cfg)) & 13083 PORT_HW_CFG_E3_TX_FAULT_MASK) >> 13084 PORT_HW_CFG_E3_TX_FAULT_SHIFT; 13085 13086 if (bnx2x_get_cfg_pin(bp, cfg_pin, &value)) { 13087 DP(NETIF_MSG_LINK, "Failed to read pin 0x%02x\n", cfg_pin); 13088 return; 13089 } 13090 13091 led_change = bnx2x_analyze_link_error(params, vars, value, 13092 PHY_SFP_TX_FAULT_FLAG, 13093 LINK_STATUS_SFP_TX_FAULT, 1); 13094 13095 if (led_change) { 13096 /* Change TX_Fault led, set link status for further syncs */ 13097 u8 led_mode; 13098 13099 if (vars->phy_flags & PHY_SFP_TX_FAULT_FLAG) { 13100 led_mode = MISC_REGISTERS_GPIO_HIGH; 13101 vars->link_status |= LINK_STATUS_SFP_TX_FAULT; 13102 } else { 13103 led_mode = MISC_REGISTERS_GPIO_LOW; 13104 vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT; 13105 } 13106 13107 /* If module is unapproved, led should be on regardless */ 13108 if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) { 13109 DP(NETIF_MSG_LINK, "Change TX_Fault LED: ->%x\n", 13110 led_mode); 13111 bnx2x_set_e3_module_fault_led(params, led_mode); 13112 } 13113 } 13114 } 13115 void bnx2x_period_func(struct link_params *params, struct link_vars *vars) 13116 { 13117 u16 phy_idx; 13118 struct bnx2x *bp = params->bp; 13119 for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) { 13120 if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) { 13121 bnx2x_set_aer_mmd(params, ¶ms->phy[phy_idx]); 13122 if (bnx2x_check_half_open_conn(params, vars, 1) != 13123 0) 13124 DP(NETIF_MSG_LINK, "Fault detection failed\n"); 13125 break; 13126 } 13127 } 13128 13129 if (CHIP_IS_E3(bp)) { 13130 struct bnx2x_phy *phy = ¶ms->phy[INT_PHY]; 13131 bnx2x_set_aer_mmd(params, phy); 13132 bnx2x_check_over_curr(params, vars); 13133 if (vars->rx_tx_asic_rst) 13134 bnx2x_warpcore_config_runtime(phy, params, vars); 13135 13136 if ((REG_RD(bp, params->shmem_base + 13137 offsetof(struct shmem_region, dev_info. 13138 port_hw_config[params->port].default_cfg)) 13139 & PORT_HW_CFG_NET_SERDES_IF_MASK) == 13140 PORT_HW_CFG_NET_SERDES_IF_SFI) { 13141 if (bnx2x_is_sfp_module_plugged(phy, params)) { 13142 bnx2x_sfp_tx_fault_detection(phy, params, vars); 13143 } else if (vars->link_status & 13144 LINK_STATUS_SFP_TX_FAULT) { 13145 /* Clean trail, interrupt corrects the leds */ 13146 vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT; 13147 vars->phy_flags &= ~PHY_SFP_TX_FAULT_FLAG; 13148 /* Update link status in the shared memory */ 13149 bnx2x_update_mng(params, vars->link_status); 13150 } 13151 } 13152 13153 } 13154 13155 } 13156 13157 u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base) 13158 { 13159 u8 phy_index; 13160 struct bnx2x_phy phy; 13161 for (phy_index = INT_PHY; phy_index < MAX_PHYS; 13162 phy_index++) { 13163 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base, 13164 0, &phy) != 0) { 13165 DP(NETIF_MSG_LINK, "populate phy failed\n"); 13166 return 0; 13167 } 13168 13169 if (phy.flags & FLAGS_HW_LOCK_REQUIRED) 13170 return 1; 13171 } 13172 return 0; 13173 } 13174 13175 u8 bnx2x_fan_failure_det_req(struct bnx2x *bp, 13176 u32 shmem_base, 13177 u32 shmem2_base, 13178 u8 port) 13179 { 13180 u8 phy_index, fan_failure_det_req = 0; 13181 struct bnx2x_phy phy; 13182 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS; 13183 phy_index++) { 13184 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base, 13185 port, &phy) 13186 != 0) { 13187 DP(NETIF_MSG_LINK, "populate phy failed\n"); 13188 return 0; 13189 } 13190 fan_failure_det_req |= (phy.flags & 13191 FLAGS_FAN_FAILURE_DET_REQ); 13192 } 13193 return fan_failure_det_req; 13194 } 13195 13196 void bnx2x_hw_reset_phy(struct link_params *params) 13197 { 13198 u8 phy_index; 13199 struct bnx2x *bp = params->bp; 13200 bnx2x_update_mng(params, 0); 13201 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4, 13202 (NIG_MASK_XGXS0_LINK_STATUS | 13203 NIG_MASK_XGXS0_LINK10G | 13204 NIG_MASK_SERDES0_LINK_STATUS | 13205 NIG_MASK_MI_INT)); 13206 13207 for (phy_index = INT_PHY; phy_index < MAX_PHYS; 13208 phy_index++) { 13209 if (params->phy[phy_index].hw_reset) { 13210 params->phy[phy_index].hw_reset( 13211 ¶ms->phy[phy_index], 13212 params); 13213 params->phy[phy_index] = phy_null; 13214 } 13215 } 13216 } 13217 13218 void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars, 13219 u32 chip_id, u32 shmem_base, u32 shmem2_base, 13220 u8 port) 13221 { 13222 u8 gpio_num = 0xff, gpio_port = 0xff, phy_index; 13223 u32 val; 13224 u32 offset, aeu_mask, swap_val, swap_override, sync_offset; 13225 if (CHIP_IS_E3(bp)) { 13226 if (bnx2x_get_mod_abs_int_cfg(bp, chip_id, 13227 shmem_base, 13228 port, 13229 &gpio_num, 13230 &gpio_port) != 0) 13231 return; 13232 } else { 13233 struct bnx2x_phy phy; 13234 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS; 13235 phy_index++) { 13236 if (bnx2x_populate_phy(bp, phy_index, shmem_base, 13237 shmem2_base, port, &phy) 13238 != 0) { 13239 DP(NETIF_MSG_LINK, "populate phy failed\n"); 13240 return; 13241 } 13242 if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) { 13243 gpio_num = MISC_REGISTERS_GPIO_3; 13244 gpio_port = port; 13245 break; 13246 } 13247 } 13248 } 13249 13250 if (gpio_num == 0xff) 13251 return; 13252 13253 /* Set GPIO3 to trigger SFP+ module insertion/removal */ 13254 bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port); 13255 13256 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP); 13257 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE); 13258 gpio_port ^= (swap_val && swap_override); 13259 13260 vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 << 13261 (gpio_num + (gpio_port << 2)); 13262 13263 sync_offset = shmem_base + 13264 offsetof(struct shmem_region, 13265 dev_info.port_hw_config[port].aeu_int_mask); 13266 REG_WR(bp, sync_offset, vars->aeu_int_mask); 13267 13268 DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n", 13269 gpio_num, gpio_port, vars->aeu_int_mask); 13270 13271 if (port == 0) 13272 offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0; 13273 else 13274 offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0; 13275 13276 /* Open appropriate AEU for interrupts */ 13277 aeu_mask = REG_RD(bp, offset); 13278 aeu_mask |= vars->aeu_int_mask; 13279 REG_WR(bp, offset, aeu_mask); 13280 13281 /* Enable the GPIO to trigger interrupt */ 13282 val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN); 13283 val |= 1 << (gpio_num + (gpio_port << 2)); 13284 REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val); 13285 } 13286