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 2671 if (CHIP_IS_E3(bp)) { 2672 if (vars->mac_type == MAC_TYPE_XMAC) 2673 bnx2x_update_pfc_xmac(params, vars, 0); 2674 } else { 2675 val = REG_RD(bp, MISC_REG_RESET_REG_2); 2676 if ((val & 2677 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) 2678 == 0) { 2679 DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n"); 2680 bnx2x_emac_enable(params, vars, 0); 2681 return bnx2x_status; 2682 } 2683 if (CHIP_IS_E2(bp)) 2684 bnx2x_update_pfc_bmac2(params, vars, bmac_loopback); 2685 else 2686 bnx2x_update_pfc_bmac1(params, vars); 2687 2688 val = 0; 2689 if ((params->feature_config_flags & 2690 FEATURE_CONFIG_PFC_ENABLED) || 2691 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)) 2692 val = 1; 2693 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val); 2694 } 2695 return bnx2x_status; 2696 } 2697 2698 2699 static int bnx2x_bmac1_enable(struct link_params *params, 2700 struct link_vars *vars, 2701 u8 is_lb) 2702 { 2703 struct bnx2x *bp = params->bp; 2704 u8 port = params->port; 2705 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM : 2706 NIG_REG_INGRESS_BMAC0_MEM; 2707 u32 wb_data[2]; 2708 u32 val; 2709 2710 DP(NETIF_MSG_LINK, "Enabling BigMAC1\n"); 2711 2712 /* XGXS control */ 2713 wb_data[0] = 0x3c; 2714 wb_data[1] = 0; 2715 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL, 2716 wb_data, 2); 2717 2718 /* TX MAC SA */ 2719 wb_data[0] = ((params->mac_addr[2] << 24) | 2720 (params->mac_addr[3] << 16) | 2721 (params->mac_addr[4] << 8) | 2722 params->mac_addr[5]); 2723 wb_data[1] = ((params->mac_addr[0] << 8) | 2724 params->mac_addr[1]); 2725 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2); 2726 2727 /* MAC control */ 2728 val = 0x3; 2729 if (is_lb) { 2730 val |= 0x4; 2731 DP(NETIF_MSG_LINK, "enable bmac loopback\n"); 2732 } 2733 wb_data[0] = val; 2734 wb_data[1] = 0; 2735 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2); 2736 2737 /* Set rx mtu */ 2738 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD; 2739 wb_data[1] = 0; 2740 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2); 2741 2742 bnx2x_update_pfc_bmac1(params, vars); 2743 2744 /* Set tx mtu */ 2745 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD; 2746 wb_data[1] = 0; 2747 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2); 2748 2749 /* Set cnt max size */ 2750 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD; 2751 wb_data[1] = 0; 2752 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2); 2753 2754 /* Configure SAFC */ 2755 wb_data[0] = 0x1000200; 2756 wb_data[1] = 0; 2757 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS, 2758 wb_data, 2); 2759 2760 return 0; 2761 } 2762 2763 static int bnx2x_bmac2_enable(struct link_params *params, 2764 struct link_vars *vars, 2765 u8 is_lb) 2766 { 2767 struct bnx2x *bp = params->bp; 2768 u8 port = params->port; 2769 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM : 2770 NIG_REG_INGRESS_BMAC0_MEM; 2771 u32 wb_data[2]; 2772 2773 DP(NETIF_MSG_LINK, "Enabling BigMAC2\n"); 2774 2775 wb_data[0] = 0; 2776 wb_data[1] = 0; 2777 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2); 2778 udelay(30); 2779 2780 /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */ 2781 wb_data[0] = 0x3c; 2782 wb_data[1] = 0; 2783 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL, 2784 wb_data, 2); 2785 2786 udelay(30); 2787 2788 /* TX MAC SA */ 2789 wb_data[0] = ((params->mac_addr[2] << 24) | 2790 (params->mac_addr[3] << 16) | 2791 (params->mac_addr[4] << 8) | 2792 params->mac_addr[5]); 2793 wb_data[1] = ((params->mac_addr[0] << 8) | 2794 params->mac_addr[1]); 2795 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR, 2796 wb_data, 2); 2797 2798 udelay(30); 2799 2800 /* Configure SAFC */ 2801 wb_data[0] = 0x1000200; 2802 wb_data[1] = 0; 2803 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS, 2804 wb_data, 2); 2805 udelay(30); 2806 2807 /* Set RX MTU */ 2808 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD; 2809 wb_data[1] = 0; 2810 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2); 2811 udelay(30); 2812 2813 /* Set TX MTU */ 2814 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD; 2815 wb_data[1] = 0; 2816 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2); 2817 udelay(30); 2818 /* Set cnt max size */ 2819 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2; 2820 wb_data[1] = 0; 2821 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2); 2822 udelay(30); 2823 bnx2x_update_pfc_bmac2(params, vars, is_lb); 2824 2825 return 0; 2826 } 2827 2828 static int bnx2x_bmac_enable(struct link_params *params, 2829 struct link_vars *vars, 2830 u8 is_lb) 2831 { 2832 int rc = 0; 2833 u8 port = params->port; 2834 struct bnx2x *bp = params->bp; 2835 u32 val; 2836 /* Reset and unreset the BigMac */ 2837 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 2838 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port)); 2839 usleep_range(1000, 2000); 2840 2841 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 2842 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port)); 2843 2844 /* Enable access for bmac registers */ 2845 REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1); 2846 2847 /* Enable BMAC according to BMAC type*/ 2848 if (CHIP_IS_E2(bp)) 2849 rc = bnx2x_bmac2_enable(params, vars, is_lb); 2850 else 2851 rc = bnx2x_bmac1_enable(params, vars, is_lb); 2852 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1); 2853 REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0); 2854 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0); 2855 val = 0; 2856 if ((params->feature_config_flags & 2857 FEATURE_CONFIG_PFC_ENABLED) || 2858 (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)) 2859 val = 1; 2860 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val); 2861 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0); 2862 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0); 2863 REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0); 2864 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1); 2865 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1); 2866 2867 vars->mac_type = MAC_TYPE_BMAC; 2868 return rc; 2869 } 2870 2871 static void bnx2x_bmac_rx_disable(struct bnx2x *bp, u8 port) 2872 { 2873 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM : 2874 NIG_REG_INGRESS_BMAC0_MEM; 2875 u32 wb_data[2]; 2876 u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4); 2877 2878 /* Only if the bmac is out of reset */ 2879 if (REG_RD(bp, MISC_REG_RESET_REG_2) & 2880 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) && 2881 nig_bmac_enable) { 2882 2883 if (CHIP_IS_E2(bp)) { 2884 /* Clear Rx Enable bit in BMAC_CONTROL register */ 2885 REG_RD_DMAE(bp, bmac_addr + 2886 BIGMAC2_REGISTER_BMAC_CONTROL, 2887 wb_data, 2); 2888 wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE; 2889 REG_WR_DMAE(bp, bmac_addr + 2890 BIGMAC2_REGISTER_BMAC_CONTROL, 2891 wb_data, 2); 2892 } else { 2893 /* Clear Rx Enable bit in BMAC_CONTROL register */ 2894 REG_RD_DMAE(bp, bmac_addr + 2895 BIGMAC_REGISTER_BMAC_CONTROL, 2896 wb_data, 2); 2897 wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE; 2898 REG_WR_DMAE(bp, bmac_addr + 2899 BIGMAC_REGISTER_BMAC_CONTROL, 2900 wb_data, 2); 2901 } 2902 usleep_range(1000, 2000); 2903 } 2904 } 2905 2906 static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl, 2907 u32 line_speed) 2908 { 2909 struct bnx2x *bp = params->bp; 2910 u8 port = params->port; 2911 u32 init_crd, crd; 2912 u32 count = 1000; 2913 2914 /* Disable port */ 2915 REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1); 2916 2917 /* Wait for init credit */ 2918 init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4); 2919 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8); 2920 DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd); 2921 2922 while ((init_crd != crd) && count) { 2923 usleep_range(5000, 10000); 2924 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8); 2925 count--; 2926 } 2927 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8); 2928 if (init_crd != crd) { 2929 DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n", 2930 init_crd, crd); 2931 return -EINVAL; 2932 } 2933 2934 if (flow_ctrl & BNX2X_FLOW_CTRL_RX || 2935 line_speed == SPEED_10 || 2936 line_speed == SPEED_100 || 2937 line_speed == SPEED_1000 || 2938 line_speed == SPEED_2500) { 2939 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1); 2940 /* Update threshold */ 2941 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0); 2942 /* Update init credit */ 2943 init_crd = 778; /* (800-18-4) */ 2944 2945 } else { 2946 u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE + 2947 ETH_OVREHEAD)/16; 2948 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0); 2949 /* Update threshold */ 2950 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh); 2951 /* Update init credit */ 2952 switch (line_speed) { 2953 case SPEED_10000: 2954 init_crd = thresh + 553 - 22; 2955 break; 2956 default: 2957 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n", 2958 line_speed); 2959 return -EINVAL; 2960 } 2961 } 2962 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd); 2963 DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n", 2964 line_speed, init_crd); 2965 2966 /* Probe the credit changes */ 2967 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1); 2968 usleep_range(5000, 10000); 2969 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0); 2970 2971 /* Enable port */ 2972 REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0); 2973 return 0; 2974 } 2975 2976 /** 2977 * bnx2x_get_emac_base - retrive emac base address 2978 * 2979 * @bp: driver handle 2980 * @mdc_mdio_access: access type 2981 * @port: port id 2982 * 2983 * This function selects the MDC/MDIO access (through emac0 or 2984 * emac1) depend on the mdc_mdio_access, port, port swapped. Each 2985 * phy has a default access mode, which could also be overridden 2986 * by nvram configuration. This parameter, whether this is the 2987 * default phy configuration, or the nvram overrun 2988 * configuration, is passed here as mdc_mdio_access and selects 2989 * the emac_base for the CL45 read/writes operations 2990 */ 2991 static u32 bnx2x_get_emac_base(struct bnx2x *bp, 2992 u32 mdc_mdio_access, u8 port) 2993 { 2994 u32 emac_base = 0; 2995 switch (mdc_mdio_access) { 2996 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE: 2997 break; 2998 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0: 2999 if (REG_RD(bp, NIG_REG_PORT_SWAP)) 3000 emac_base = GRCBASE_EMAC1; 3001 else 3002 emac_base = GRCBASE_EMAC0; 3003 break; 3004 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1: 3005 if (REG_RD(bp, NIG_REG_PORT_SWAP)) 3006 emac_base = GRCBASE_EMAC0; 3007 else 3008 emac_base = GRCBASE_EMAC1; 3009 break; 3010 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH: 3011 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0; 3012 break; 3013 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED: 3014 emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1; 3015 break; 3016 default: 3017 break; 3018 } 3019 return emac_base; 3020 3021 } 3022 3023 /******************************************************************/ 3024 /* CL22 access functions */ 3025 /******************************************************************/ 3026 static int bnx2x_cl22_write(struct bnx2x *bp, 3027 struct bnx2x_phy *phy, 3028 u16 reg, u16 val) 3029 { 3030 u32 tmp, mode; 3031 u8 i; 3032 int rc = 0; 3033 /* Switch to CL22 */ 3034 mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE); 3035 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, 3036 mode & ~EMAC_MDIO_MODE_CLAUSE_45); 3037 3038 /* Address */ 3039 tmp = ((phy->addr << 21) | (reg << 16) | val | 3040 EMAC_MDIO_COMM_COMMAND_WRITE_22 | 3041 EMAC_MDIO_COMM_START_BUSY); 3042 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp); 3043 3044 for (i = 0; i < 50; i++) { 3045 udelay(10); 3046 3047 tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM); 3048 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) { 3049 udelay(5); 3050 break; 3051 } 3052 } 3053 if (tmp & EMAC_MDIO_COMM_START_BUSY) { 3054 DP(NETIF_MSG_LINK, "write phy register failed\n"); 3055 rc = -EFAULT; 3056 } 3057 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode); 3058 return rc; 3059 } 3060 3061 static int bnx2x_cl22_read(struct bnx2x *bp, 3062 struct bnx2x_phy *phy, 3063 u16 reg, u16 *ret_val) 3064 { 3065 u32 val, mode; 3066 u16 i; 3067 int rc = 0; 3068 3069 /* Switch to CL22 */ 3070 mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE); 3071 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, 3072 mode & ~EMAC_MDIO_MODE_CLAUSE_45); 3073 3074 /* Address */ 3075 val = ((phy->addr << 21) | (reg << 16) | 3076 EMAC_MDIO_COMM_COMMAND_READ_22 | 3077 EMAC_MDIO_COMM_START_BUSY); 3078 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val); 3079 3080 for (i = 0; i < 50; i++) { 3081 udelay(10); 3082 3083 val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM); 3084 if (!(val & EMAC_MDIO_COMM_START_BUSY)) { 3085 *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA); 3086 udelay(5); 3087 break; 3088 } 3089 } 3090 if (val & EMAC_MDIO_COMM_START_BUSY) { 3091 DP(NETIF_MSG_LINK, "read phy register failed\n"); 3092 3093 *ret_val = 0; 3094 rc = -EFAULT; 3095 } 3096 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode); 3097 return rc; 3098 } 3099 3100 /******************************************************************/ 3101 /* CL45 access functions */ 3102 /******************************************************************/ 3103 static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy, 3104 u8 devad, u16 reg, u16 *ret_val) 3105 { 3106 u32 val; 3107 u16 i; 3108 int rc = 0; 3109 if (phy->flags & FLAGS_MDC_MDIO_WA_B0) 3110 bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS, 3111 EMAC_MDIO_STATUS_10MB); 3112 /* Address */ 3113 val = ((phy->addr << 21) | (devad << 16) | reg | 3114 EMAC_MDIO_COMM_COMMAND_ADDRESS | 3115 EMAC_MDIO_COMM_START_BUSY); 3116 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val); 3117 3118 for (i = 0; i < 50; i++) { 3119 udelay(10); 3120 3121 val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM); 3122 if (!(val & EMAC_MDIO_COMM_START_BUSY)) { 3123 udelay(5); 3124 break; 3125 } 3126 } 3127 if (val & EMAC_MDIO_COMM_START_BUSY) { 3128 DP(NETIF_MSG_LINK, "read phy register failed\n"); 3129 netdev_err(bp->dev, "MDC/MDIO access timeout\n"); 3130 *ret_val = 0; 3131 rc = -EFAULT; 3132 } else { 3133 /* Data */ 3134 val = ((phy->addr << 21) | (devad << 16) | 3135 EMAC_MDIO_COMM_COMMAND_READ_45 | 3136 EMAC_MDIO_COMM_START_BUSY); 3137 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val); 3138 3139 for (i = 0; i < 50; i++) { 3140 udelay(10); 3141 3142 val = REG_RD(bp, phy->mdio_ctrl + 3143 EMAC_REG_EMAC_MDIO_COMM); 3144 if (!(val & EMAC_MDIO_COMM_START_BUSY)) { 3145 *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA); 3146 break; 3147 } 3148 } 3149 if (val & EMAC_MDIO_COMM_START_BUSY) { 3150 DP(NETIF_MSG_LINK, "read phy register failed\n"); 3151 netdev_err(bp->dev, "MDC/MDIO access timeout\n"); 3152 *ret_val = 0; 3153 rc = -EFAULT; 3154 } 3155 } 3156 /* Work around for E3 A0 */ 3157 if (phy->flags & FLAGS_MDC_MDIO_WA) { 3158 phy->flags ^= FLAGS_DUMMY_READ; 3159 if (phy->flags & FLAGS_DUMMY_READ) { 3160 u16 temp_val; 3161 bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val); 3162 } 3163 } 3164 3165 if (phy->flags & FLAGS_MDC_MDIO_WA_B0) 3166 bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS, 3167 EMAC_MDIO_STATUS_10MB); 3168 return rc; 3169 } 3170 3171 static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy, 3172 u8 devad, u16 reg, u16 val) 3173 { 3174 u32 tmp; 3175 u8 i; 3176 int rc = 0; 3177 if (phy->flags & FLAGS_MDC_MDIO_WA_B0) 3178 bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS, 3179 EMAC_MDIO_STATUS_10MB); 3180 3181 /* Address */ 3182 tmp = ((phy->addr << 21) | (devad << 16) | reg | 3183 EMAC_MDIO_COMM_COMMAND_ADDRESS | 3184 EMAC_MDIO_COMM_START_BUSY); 3185 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp); 3186 3187 for (i = 0; i < 50; i++) { 3188 udelay(10); 3189 3190 tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM); 3191 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) { 3192 udelay(5); 3193 break; 3194 } 3195 } 3196 if (tmp & EMAC_MDIO_COMM_START_BUSY) { 3197 DP(NETIF_MSG_LINK, "write phy register failed\n"); 3198 netdev_err(bp->dev, "MDC/MDIO access timeout\n"); 3199 rc = -EFAULT; 3200 } else { 3201 /* Data */ 3202 tmp = ((phy->addr << 21) | (devad << 16) | val | 3203 EMAC_MDIO_COMM_COMMAND_WRITE_45 | 3204 EMAC_MDIO_COMM_START_BUSY); 3205 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp); 3206 3207 for (i = 0; i < 50; i++) { 3208 udelay(10); 3209 3210 tmp = REG_RD(bp, phy->mdio_ctrl + 3211 EMAC_REG_EMAC_MDIO_COMM); 3212 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) { 3213 udelay(5); 3214 break; 3215 } 3216 } 3217 if (tmp & EMAC_MDIO_COMM_START_BUSY) { 3218 DP(NETIF_MSG_LINK, "write phy register failed\n"); 3219 netdev_err(bp->dev, "MDC/MDIO access timeout\n"); 3220 rc = -EFAULT; 3221 } 3222 } 3223 /* Work around for E3 A0 */ 3224 if (phy->flags & FLAGS_MDC_MDIO_WA) { 3225 phy->flags ^= FLAGS_DUMMY_READ; 3226 if (phy->flags & FLAGS_DUMMY_READ) { 3227 u16 temp_val; 3228 bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val); 3229 } 3230 } 3231 if (phy->flags & FLAGS_MDC_MDIO_WA_B0) 3232 bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS, 3233 EMAC_MDIO_STATUS_10MB); 3234 return rc; 3235 } 3236 /******************************************************************/ 3237 /* BSC access functions from E3 */ 3238 /******************************************************************/ 3239 static void bnx2x_bsc_module_sel(struct link_params *params) 3240 { 3241 int idx; 3242 u32 board_cfg, sfp_ctrl; 3243 u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH]; 3244 struct bnx2x *bp = params->bp; 3245 u8 port = params->port; 3246 /* Read I2C output PINs */ 3247 board_cfg = REG_RD(bp, params->shmem_base + 3248 offsetof(struct shmem_region, 3249 dev_info.shared_hw_config.board)); 3250 i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK; 3251 i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >> 3252 SHARED_HW_CFG_E3_I2C_MUX1_SHIFT; 3253 3254 /* Read I2C output value */ 3255 sfp_ctrl = REG_RD(bp, params->shmem_base + 3256 offsetof(struct shmem_region, 3257 dev_info.port_hw_config[port].e3_cmn_pin_cfg)); 3258 i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0; 3259 i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0; 3260 DP(NETIF_MSG_LINK, "Setting BSC switch\n"); 3261 for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++) 3262 bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]); 3263 } 3264 3265 static int bnx2x_bsc_read(struct link_params *params, 3266 struct bnx2x_phy *phy, 3267 u8 sl_devid, 3268 u16 sl_addr, 3269 u8 lc_addr, 3270 u8 xfer_cnt, 3271 u32 *data_array) 3272 { 3273 u32 val, i; 3274 int rc = 0; 3275 struct bnx2x *bp = params->bp; 3276 3277 if ((sl_devid != 0xa0) && (sl_devid != 0xa2)) { 3278 DP(NETIF_MSG_LINK, "invalid sl_devid 0x%x\n", sl_devid); 3279 return -EINVAL; 3280 } 3281 3282 if (xfer_cnt > 16) { 3283 DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n", 3284 xfer_cnt); 3285 return -EINVAL; 3286 } 3287 bnx2x_bsc_module_sel(params); 3288 3289 xfer_cnt = 16 - lc_addr; 3290 3291 /* Enable the engine */ 3292 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND); 3293 val |= MCPR_IMC_COMMAND_ENABLE; 3294 REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val); 3295 3296 /* Program slave device ID */ 3297 val = (sl_devid << 16) | sl_addr; 3298 REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val); 3299 3300 /* Start xfer with 0 byte to update the address pointer ???*/ 3301 val = (MCPR_IMC_COMMAND_ENABLE) | 3302 (MCPR_IMC_COMMAND_WRITE_OP << 3303 MCPR_IMC_COMMAND_OPERATION_BITSHIFT) | 3304 (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0); 3305 REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val); 3306 3307 /* Poll for completion */ 3308 i = 0; 3309 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND); 3310 while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) { 3311 udelay(10); 3312 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND); 3313 if (i++ > 1000) { 3314 DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n", 3315 i); 3316 rc = -EFAULT; 3317 break; 3318 } 3319 } 3320 if (rc == -EFAULT) 3321 return rc; 3322 3323 /* Start xfer with read op */ 3324 val = (MCPR_IMC_COMMAND_ENABLE) | 3325 (MCPR_IMC_COMMAND_READ_OP << 3326 MCPR_IMC_COMMAND_OPERATION_BITSHIFT) | 3327 (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | 3328 (xfer_cnt); 3329 REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val); 3330 3331 /* Poll for completion */ 3332 i = 0; 3333 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND); 3334 while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) { 3335 udelay(10); 3336 val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND); 3337 if (i++ > 1000) { 3338 DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i); 3339 rc = -EFAULT; 3340 break; 3341 } 3342 } 3343 if (rc == -EFAULT) 3344 return rc; 3345 3346 for (i = (lc_addr >> 2); i < 4; i++) { 3347 data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4)); 3348 #ifdef __BIG_ENDIAN 3349 data_array[i] = ((data_array[i] & 0x000000ff) << 24) | 3350 ((data_array[i] & 0x0000ff00) << 8) | 3351 ((data_array[i] & 0x00ff0000) >> 8) | 3352 ((data_array[i] & 0xff000000) >> 24); 3353 #endif 3354 } 3355 return rc; 3356 } 3357 3358 static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy, 3359 u8 devad, u16 reg, u16 or_val) 3360 { 3361 u16 val; 3362 bnx2x_cl45_read(bp, phy, devad, reg, &val); 3363 bnx2x_cl45_write(bp, phy, devad, reg, val | or_val); 3364 } 3365 3366 int bnx2x_phy_read(struct link_params *params, u8 phy_addr, 3367 u8 devad, u16 reg, u16 *ret_val) 3368 { 3369 u8 phy_index; 3370 /* Probe for the phy according to the given phy_addr, and execute 3371 * the read request on it 3372 */ 3373 for (phy_index = 0; phy_index < params->num_phys; phy_index++) { 3374 if (params->phy[phy_index].addr == phy_addr) { 3375 return bnx2x_cl45_read(params->bp, 3376 ¶ms->phy[phy_index], devad, 3377 reg, ret_val); 3378 } 3379 } 3380 return -EINVAL; 3381 } 3382 3383 int bnx2x_phy_write(struct link_params *params, u8 phy_addr, 3384 u8 devad, u16 reg, u16 val) 3385 { 3386 u8 phy_index; 3387 /* Probe for the phy according to the given phy_addr, and execute 3388 * the write request on it 3389 */ 3390 for (phy_index = 0; phy_index < params->num_phys; phy_index++) { 3391 if (params->phy[phy_index].addr == phy_addr) { 3392 return bnx2x_cl45_write(params->bp, 3393 ¶ms->phy[phy_index], devad, 3394 reg, val); 3395 } 3396 } 3397 return -EINVAL; 3398 } 3399 static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy, 3400 struct link_params *params) 3401 { 3402 u8 lane = 0; 3403 struct bnx2x *bp = params->bp; 3404 u32 path_swap, path_swap_ovr; 3405 u8 path, port; 3406 3407 path = BP_PATH(bp); 3408 port = params->port; 3409 3410 if (bnx2x_is_4_port_mode(bp)) { 3411 u32 port_swap, port_swap_ovr; 3412 3413 /* Figure out path swap value */ 3414 path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR); 3415 if (path_swap_ovr & 0x1) 3416 path_swap = (path_swap_ovr & 0x2); 3417 else 3418 path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP); 3419 3420 if (path_swap) 3421 path = path ^ 1; 3422 3423 /* Figure out port swap value */ 3424 port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR); 3425 if (port_swap_ovr & 0x1) 3426 port_swap = (port_swap_ovr & 0x2); 3427 else 3428 port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP); 3429 3430 if (port_swap) 3431 port = port ^ 1; 3432 3433 lane = (port<<1) + path; 3434 } else { /* Two port mode - no port swap */ 3435 3436 /* Figure out path swap value */ 3437 path_swap_ovr = 3438 REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR); 3439 if (path_swap_ovr & 0x1) { 3440 path_swap = (path_swap_ovr & 0x2); 3441 } else { 3442 path_swap = 3443 REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP); 3444 } 3445 if (path_swap) 3446 path = path ^ 1; 3447 3448 lane = path << 1 ; 3449 } 3450 return lane; 3451 } 3452 3453 static void bnx2x_set_aer_mmd(struct link_params *params, 3454 struct bnx2x_phy *phy) 3455 { 3456 u32 ser_lane; 3457 u16 offset, aer_val; 3458 struct bnx2x *bp = params->bp; 3459 ser_lane = ((params->lane_config & 3460 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >> 3461 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT); 3462 3463 offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ? 3464 (phy->addr + ser_lane) : 0; 3465 3466 if (USES_WARPCORE(bp)) { 3467 aer_val = bnx2x_get_warpcore_lane(phy, params); 3468 /* In Dual-lane mode, two lanes are joined together, 3469 * so in order to configure them, the AER broadcast method is 3470 * used here. 3471 * 0x200 is the broadcast address for lanes 0,1 3472 * 0x201 is the broadcast address for lanes 2,3 3473 */ 3474 if (phy->flags & FLAGS_WC_DUAL_MODE) 3475 aer_val = (aer_val >> 1) | 0x200; 3476 } else if (CHIP_IS_E2(bp)) 3477 aer_val = 0x3800 + offset - 1; 3478 else 3479 aer_val = 0x3800 + offset; 3480 3481 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK, 3482 MDIO_AER_BLOCK_AER_REG, aer_val); 3483 3484 } 3485 3486 /******************************************************************/ 3487 /* Internal phy section */ 3488 /******************************************************************/ 3489 3490 static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port) 3491 { 3492 u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0; 3493 3494 /* Set Clause 22 */ 3495 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1); 3496 REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000); 3497 udelay(500); 3498 REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f); 3499 udelay(500); 3500 /* Set Clause 45 */ 3501 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0); 3502 } 3503 3504 static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port) 3505 { 3506 u32 val; 3507 3508 DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n"); 3509 3510 val = SERDES_RESET_BITS << (port*16); 3511 3512 /* Reset and unreset the SerDes/XGXS */ 3513 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val); 3514 udelay(500); 3515 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val); 3516 3517 bnx2x_set_serdes_access(bp, port); 3518 3519 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10, 3520 DEFAULT_PHY_DEV_ADDR); 3521 } 3522 3523 static void bnx2x_xgxs_deassert(struct link_params *params) 3524 { 3525 struct bnx2x *bp = params->bp; 3526 u8 port; 3527 u32 val; 3528 DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n"); 3529 port = params->port; 3530 3531 val = XGXS_RESET_BITS << (port*16); 3532 3533 /* Reset and unreset the SerDes/XGXS */ 3534 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val); 3535 udelay(500); 3536 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val); 3537 3538 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + port*0x18, 0); 3539 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18, 3540 params->phy[INT_PHY].def_md_devad); 3541 } 3542 3543 static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy, 3544 struct link_params *params, u16 *ieee_fc) 3545 { 3546 struct bnx2x *bp = params->bp; 3547 *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX; 3548 /* Resolve pause mode and advertisement Please refer to Table 3549 * 28B-3 of the 802.3ab-1999 spec 3550 */ 3551 3552 switch (phy->req_flow_ctrl) { 3553 case BNX2X_FLOW_CTRL_AUTO: 3554 if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH) 3555 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH; 3556 else 3557 *ieee_fc |= 3558 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC; 3559 break; 3560 3561 case BNX2X_FLOW_CTRL_TX: 3562 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC; 3563 break; 3564 3565 case BNX2X_FLOW_CTRL_RX: 3566 case BNX2X_FLOW_CTRL_BOTH: 3567 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH; 3568 break; 3569 3570 case BNX2X_FLOW_CTRL_NONE: 3571 default: 3572 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE; 3573 break; 3574 } 3575 DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc); 3576 } 3577 3578 static void set_phy_vars(struct link_params *params, 3579 struct link_vars *vars) 3580 { 3581 struct bnx2x *bp = params->bp; 3582 u8 actual_phy_idx, phy_index, link_cfg_idx; 3583 u8 phy_config_swapped = params->multi_phy_config & 3584 PORT_HW_CFG_PHY_SWAPPED_ENABLED; 3585 for (phy_index = INT_PHY; phy_index < params->num_phys; 3586 phy_index++) { 3587 link_cfg_idx = LINK_CONFIG_IDX(phy_index); 3588 actual_phy_idx = phy_index; 3589 if (phy_config_swapped) { 3590 if (phy_index == EXT_PHY1) 3591 actual_phy_idx = EXT_PHY2; 3592 else if (phy_index == EXT_PHY2) 3593 actual_phy_idx = EXT_PHY1; 3594 } 3595 params->phy[actual_phy_idx].req_flow_ctrl = 3596 params->req_flow_ctrl[link_cfg_idx]; 3597 3598 params->phy[actual_phy_idx].req_line_speed = 3599 params->req_line_speed[link_cfg_idx]; 3600 3601 params->phy[actual_phy_idx].speed_cap_mask = 3602 params->speed_cap_mask[link_cfg_idx]; 3603 3604 params->phy[actual_phy_idx].req_duplex = 3605 params->req_duplex[link_cfg_idx]; 3606 3607 if (params->req_line_speed[link_cfg_idx] == 3608 SPEED_AUTO_NEG) 3609 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED; 3610 3611 DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x," 3612 " speed_cap_mask %x\n", 3613 params->phy[actual_phy_idx].req_flow_ctrl, 3614 params->phy[actual_phy_idx].req_line_speed, 3615 params->phy[actual_phy_idx].speed_cap_mask); 3616 } 3617 } 3618 3619 static void bnx2x_ext_phy_set_pause(struct link_params *params, 3620 struct bnx2x_phy *phy, 3621 struct link_vars *vars) 3622 { 3623 u16 val; 3624 struct bnx2x *bp = params->bp; 3625 /* Read modify write pause advertizing */ 3626 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val); 3627 3628 val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH; 3629 3630 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */ 3631 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc); 3632 if ((vars->ieee_fc & 3633 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) == 3634 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) { 3635 val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC; 3636 } 3637 if ((vars->ieee_fc & 3638 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) == 3639 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) { 3640 val |= MDIO_AN_REG_ADV_PAUSE_PAUSE; 3641 } 3642 DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val); 3643 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val); 3644 } 3645 3646 static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result) 3647 { /* LD LP */ 3648 switch (pause_result) { /* ASYM P ASYM P */ 3649 case 0xb: /* 1 0 1 1 */ 3650 vars->flow_ctrl = BNX2X_FLOW_CTRL_TX; 3651 break; 3652 3653 case 0xe: /* 1 1 1 0 */ 3654 vars->flow_ctrl = BNX2X_FLOW_CTRL_RX; 3655 break; 3656 3657 case 0x5: /* 0 1 0 1 */ 3658 case 0x7: /* 0 1 1 1 */ 3659 case 0xd: /* 1 1 0 1 */ 3660 case 0xf: /* 1 1 1 1 */ 3661 vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH; 3662 break; 3663 3664 default: 3665 break; 3666 } 3667 if (pause_result & (1<<0)) 3668 vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE; 3669 if (pause_result & (1<<1)) 3670 vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE; 3671 3672 } 3673 3674 static void bnx2x_ext_phy_update_adv_fc(struct bnx2x_phy *phy, 3675 struct link_params *params, 3676 struct link_vars *vars) 3677 { 3678 u16 ld_pause; /* local */ 3679 u16 lp_pause; /* link partner */ 3680 u16 pause_result; 3681 struct bnx2x *bp = params->bp; 3682 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) { 3683 bnx2x_cl22_read(bp, phy, 0x4, &ld_pause); 3684 bnx2x_cl22_read(bp, phy, 0x5, &lp_pause); 3685 } else if (CHIP_IS_E3(bp) && 3686 SINGLE_MEDIA_DIRECT(params)) { 3687 u8 lane = bnx2x_get_warpcore_lane(phy, params); 3688 u16 gp_status, gp_mask; 3689 bnx2x_cl45_read(bp, phy, 3690 MDIO_AN_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_4, 3691 &gp_status); 3692 gp_mask = (MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL | 3693 MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP) << 3694 lane; 3695 if ((gp_status & gp_mask) == gp_mask) { 3696 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, 3697 MDIO_AN_REG_ADV_PAUSE, &ld_pause); 3698 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, 3699 MDIO_AN_REG_LP_AUTO_NEG, &lp_pause); 3700 } else { 3701 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, 3702 MDIO_AN_REG_CL37_FC_LD, &ld_pause); 3703 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, 3704 MDIO_AN_REG_CL37_FC_LP, &lp_pause); 3705 ld_pause = ((ld_pause & 3706 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) 3707 << 3); 3708 lp_pause = ((lp_pause & 3709 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) 3710 << 3); 3711 } 3712 } else { 3713 bnx2x_cl45_read(bp, phy, 3714 MDIO_AN_DEVAD, 3715 MDIO_AN_REG_ADV_PAUSE, &ld_pause); 3716 bnx2x_cl45_read(bp, phy, 3717 MDIO_AN_DEVAD, 3718 MDIO_AN_REG_LP_AUTO_NEG, &lp_pause); 3719 } 3720 pause_result = (ld_pause & 3721 MDIO_AN_REG_ADV_PAUSE_MASK) >> 8; 3722 pause_result |= (lp_pause & 3723 MDIO_AN_REG_ADV_PAUSE_MASK) >> 10; 3724 DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n", pause_result); 3725 bnx2x_pause_resolve(vars, pause_result); 3726 3727 } 3728 3729 static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy, 3730 struct link_params *params, 3731 struct link_vars *vars) 3732 { 3733 u8 ret = 0; 3734 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE; 3735 if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) { 3736 /* Update the advertised flow-controled of LD/LP in AN */ 3737 if (phy->req_line_speed == SPEED_AUTO_NEG) 3738 bnx2x_ext_phy_update_adv_fc(phy, params, vars); 3739 /* But set the flow-control result as the requested one */ 3740 vars->flow_ctrl = phy->req_flow_ctrl; 3741 } else if (phy->req_line_speed != SPEED_AUTO_NEG) 3742 vars->flow_ctrl = params->req_fc_auto_adv; 3743 else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) { 3744 ret = 1; 3745 bnx2x_ext_phy_update_adv_fc(phy, params, vars); 3746 } 3747 return ret; 3748 } 3749 /******************************************************************/ 3750 /* Warpcore section */ 3751 /******************************************************************/ 3752 /* The init_internal_warpcore should mirror the xgxs, 3753 * i.e. reset the lane (if needed), set aer for the 3754 * init configuration, and set/clear SGMII flag. Internal 3755 * phy init is done purely in phy_init stage. 3756 */ 3757 static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy, 3758 struct link_params *params, 3759 struct link_vars *vars) { 3760 u16 val16 = 0, lane, i; 3761 struct bnx2x *bp = params->bp; 3762 static struct bnx2x_reg_set reg_set[] = { 3763 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7}, 3764 {MDIO_AN_DEVAD, MDIO_WC_REG_PAR_DET_10G_CTRL, 0}, 3765 {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 0}, 3766 {MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0xff}, 3767 {MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0x5555}, 3768 {MDIO_PMA_DEVAD, MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0}, 3769 {MDIO_WC_DEVAD, MDIO_WC_REG_RX66_CONTROL, 0x7415}, 3770 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190}, 3771 /* Disable Autoneg: re-enable it after adv is done. */ 3772 {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0} 3773 }; 3774 DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n"); 3775 /* Set to default registers that may be overriden by 10G force */ 3776 for (i = 0; i < sizeof(reg_set)/sizeof(struct bnx2x_reg_set); i++) 3777 bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg, 3778 reg_set[i].val); 3779 3780 /* Check adding advertisement for 1G KX */ 3781 if (((vars->line_speed == SPEED_AUTO_NEG) && 3782 (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) || 3783 (vars->line_speed == SPEED_1000)) { 3784 u32 addr = MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2; 3785 val16 |= (1<<5); 3786 3787 /* Enable CL37 1G Parallel Detect */ 3788 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, addr, 0x1); 3789 DP(NETIF_MSG_LINK, "Advertize 1G\n"); 3790 } 3791 if (((vars->line_speed == SPEED_AUTO_NEG) && 3792 (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) || 3793 (vars->line_speed == SPEED_10000)) { 3794 /* Check adding advertisement for 10G KR */ 3795 val16 |= (1<<7); 3796 /* Enable 10G Parallel Detect */ 3797 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, 3798 MDIO_WC_REG_PAR_DET_10G_CTRL, 1); 3799 3800 DP(NETIF_MSG_LINK, "Advertize 10G\n"); 3801 } 3802 3803 /* Set Transmit PMD settings */ 3804 lane = bnx2x_get_warpcore_lane(phy, params); 3805 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 3806 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 3807 ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) | 3808 (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) | 3809 (0x09 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET))); 3810 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 3811 MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL, 3812 0x03f0); 3813 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 3814 MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL, 3815 0x03f0); 3816 3817 /* Advertised speeds */ 3818 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, 3819 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, val16); 3820 3821 /* Advertised and set FEC (Forward Error Correction) */ 3822 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, 3823 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2, 3824 (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY | 3825 MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ)); 3826 3827 /* Enable CL37 BAM */ 3828 if (REG_RD(bp, params->shmem_base + 3829 offsetof(struct shmem_region, dev_info. 3830 port_hw_config[params->port].default_cfg)) & 3831 PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) { 3832 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, 3833 MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL, 3834 1); 3835 DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n"); 3836 } 3837 3838 /* Advertise pause */ 3839 bnx2x_ext_phy_set_pause(params, phy, vars); 3840 /* Set KR Autoneg Work-Around flag for Warpcore version older than D108 3841 */ 3842 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 3843 MDIO_WC_REG_UC_INFO_B1_VERSION, &val16); 3844 if (val16 < 0xd108) { 3845 DP(NETIF_MSG_LINK, "Enable AN KR work-around\n"); 3846 vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY; 3847 } 3848 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, 3849 MDIO_WC_REG_DIGITAL5_MISC7, 0x100); 3850 3851 /* Over 1G - AN local device user page 1 */ 3852 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 3853 MDIO_WC_REG_DIGITAL3_UP1, 0x1f); 3854 3855 /* Enable Autoneg */ 3856 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, 3857 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200); 3858 3859 } 3860 3861 static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy, 3862 struct link_params *params, 3863 struct link_vars *vars) 3864 { 3865 struct bnx2x *bp = params->bp; 3866 u16 i; 3867 static struct bnx2x_reg_set reg_set[] = { 3868 /* Disable Autoneg */ 3869 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7}, 3870 {MDIO_AN_DEVAD, MDIO_WC_REG_PAR_DET_10G_CTRL, 0}, 3871 {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 3872 0x3f00}, 3873 {MDIO_AN_DEVAD, MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0}, 3874 {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0}, 3875 {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL3_UP1, 0x1}, 3876 {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL5_MISC7, 0xa}, 3877 /* Disable CL36 PCS Tx */ 3878 {MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0x0}, 3879 /* Double Wide Single Data Rate @ pll rate */ 3880 {MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0xFFFF}, 3881 /* Leave cl72 training enable, needed for KR */ 3882 {MDIO_PMA_DEVAD, 3883 MDIO_WC_REG_PMD_IEEE9BLK_TENGBASE_KR_PMD_CONTROL_REGISTER_150, 3884 0x2} 3885 }; 3886 3887 for (i = 0; i < sizeof(reg_set)/sizeof(struct bnx2x_reg_set); i++) 3888 bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg, 3889 reg_set[i].val); 3890 3891 /* Leave CL72 enabled */ 3892 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, 3893 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 3894 0x3800); 3895 3896 /* Set speed via PMA/PMD register */ 3897 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 3898 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040); 3899 3900 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 3901 MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB); 3902 3903 /* Enable encoded forced speed */ 3904 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 3905 MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30); 3906 3907 /* Turn TX scramble payload only the 64/66 scrambler */ 3908 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 3909 MDIO_WC_REG_TX66_CONTROL, 0x9); 3910 3911 /* Turn RX scramble payload only the 64/66 scrambler */ 3912 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, 3913 MDIO_WC_REG_RX66_CONTROL, 0xF9); 3914 3915 /* Set and clear loopback to cause a reset to 64/66 decoder */ 3916 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 3917 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000); 3918 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 3919 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0); 3920 3921 } 3922 3923 static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy, 3924 struct link_params *params, 3925 u8 is_xfi) 3926 { 3927 struct bnx2x *bp = params->bp; 3928 u16 misc1_val, tap_val, tx_driver_val, lane, val; 3929 /* Hold rxSeqStart */ 3930 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, 3931 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x8000); 3932 3933 /* Hold tx_fifo_reset */ 3934 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, 3935 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x1); 3936 3937 /* Disable CL73 AN */ 3938 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0); 3939 3940 /* Disable 100FX Enable and Auto-Detect */ 3941 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 3942 MDIO_WC_REG_FX100_CTRL1, &val); 3943 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 3944 MDIO_WC_REG_FX100_CTRL1, (val & 0xFFFA)); 3945 3946 /* Disable 100FX Idle detect */ 3947 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, 3948 MDIO_WC_REG_FX100_CTRL3, 0x0080); 3949 3950 /* Set Block address to Remote PHY & Clear forced_speed[5] */ 3951 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 3952 MDIO_WC_REG_DIGITAL4_MISC3, &val); 3953 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 3954 MDIO_WC_REG_DIGITAL4_MISC3, (val & 0xFF7F)); 3955 3956 /* Turn off auto-detect & fiber mode */ 3957 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 3958 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val); 3959 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 3960 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 3961 (val & 0xFFEE)); 3962 3963 /* Set filter_force_link, disable_false_link and parallel_detect */ 3964 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 3965 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val); 3966 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 3967 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 3968 ((val | 0x0006) & 0xFFFE)); 3969 3970 /* Set XFI / SFI */ 3971 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 3972 MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val); 3973 3974 misc1_val &= ~(0x1f); 3975 3976 if (is_xfi) { 3977 misc1_val |= 0x5; 3978 tap_val = ((0x08 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) | 3979 (0x37 << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) | 3980 (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET)); 3981 tx_driver_val = 3982 ((0x00 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) | 3983 (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) | 3984 (0x03 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)); 3985 3986 } else { 3987 misc1_val |= 0x9; 3988 tap_val = ((0x0f << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) | 3989 (0x2b << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) | 3990 (0x02 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET)); 3991 tx_driver_val = 3992 ((0x03 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) | 3993 (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) | 3994 (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)); 3995 } 3996 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 3997 MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val); 3998 3999 /* Set Transmit PMD settings */ 4000 lane = bnx2x_get_warpcore_lane(phy, params); 4001 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4002 MDIO_WC_REG_TX_FIR_TAP, 4003 tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE); 4004 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4005 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 4006 tx_driver_val); 4007 4008 /* Enable fiber mode, enable and invert sig_det */ 4009 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, 4010 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0xd); 4011 4012 /* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */ 4013 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, 4014 MDIO_WC_REG_DIGITAL4_MISC3, 0x8080); 4015 4016 /* Enable LPI pass through */ 4017 DP(NETIF_MSG_LINK, "Configure WC for LPI pass through\n"); 4018 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4019 MDIO_WC_REG_EEE_COMBO_CONTROL0, 4020 0x7c); 4021 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, 4022 MDIO_WC_REG_DIGITAL4_MISC5, 0xc000); 4023 4024 /* 10G XFI Full Duplex */ 4025 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4026 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100); 4027 4028 /* Release tx_fifo_reset */ 4029 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 4030 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val); 4031 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4032 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, val & 0xFFFE); 4033 4034 /* Release rxSeqStart */ 4035 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 4036 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val); 4037 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4038 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val & 0x7FFF)); 4039 } 4040 4041 static void bnx2x_warpcore_set_20G_KR2(struct bnx2x *bp, 4042 struct bnx2x_phy *phy) 4043 { 4044 DP(NETIF_MSG_LINK, "KR2 still not supported !!!\n"); 4045 } 4046 4047 static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp, 4048 struct bnx2x_phy *phy, 4049 u16 lane) 4050 { 4051 /* Rx0 anaRxControl1G */ 4052 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4053 MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90); 4054 4055 /* Rx2 anaRxControl1G */ 4056 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4057 MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90); 4058 4059 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4060 MDIO_WC_REG_RX66_SCW0, 0xE070); 4061 4062 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4063 MDIO_WC_REG_RX66_SCW1, 0xC0D0); 4064 4065 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4066 MDIO_WC_REG_RX66_SCW2, 0xA0B0); 4067 4068 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4069 MDIO_WC_REG_RX66_SCW3, 0x8090); 4070 4071 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4072 MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0); 4073 4074 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4075 MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0); 4076 4077 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4078 MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0); 4079 4080 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4081 MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0); 4082 4083 /* Serdes Digital Misc1 */ 4084 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4085 MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008); 4086 4087 /* Serdes Digital4 Misc3 */ 4088 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4089 MDIO_WC_REG_DIGITAL4_MISC3, 0x8088); 4090 4091 /* Set Transmit PMD settings */ 4092 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4093 MDIO_WC_REG_TX_FIR_TAP, 4094 ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) | 4095 (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) | 4096 (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET) | 4097 MDIO_WC_REG_TX_FIR_TAP_ENABLE)); 4098 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4099 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 4100 ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) | 4101 (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) | 4102 (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET))); 4103 } 4104 4105 static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy, 4106 struct link_params *params, 4107 u8 fiber_mode, 4108 u8 always_autoneg) 4109 { 4110 struct bnx2x *bp = params->bp; 4111 u16 val16, digctrl_kx1, digctrl_kx2; 4112 4113 /* Clear XFI clock comp in non-10G single lane mode. */ 4114 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 4115 MDIO_WC_REG_RX66_CONTROL, &val16); 4116 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4117 MDIO_WC_REG_RX66_CONTROL, val16 & ~(3<<13)); 4118 4119 if (always_autoneg || phy->req_line_speed == SPEED_AUTO_NEG) { 4120 /* SGMII Autoneg */ 4121 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 4122 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16); 4123 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4124 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 4125 val16 | 0x1000); 4126 DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n"); 4127 } else { 4128 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 4129 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16); 4130 val16 &= 0xcebf; 4131 switch (phy->req_line_speed) { 4132 case SPEED_10: 4133 break; 4134 case SPEED_100: 4135 val16 |= 0x2000; 4136 break; 4137 case SPEED_1000: 4138 val16 |= 0x0040; 4139 break; 4140 default: 4141 DP(NETIF_MSG_LINK, 4142 "Speed not supported: 0x%x\n", phy->req_line_speed); 4143 return; 4144 } 4145 4146 if (phy->req_duplex == DUPLEX_FULL) 4147 val16 |= 0x0100; 4148 4149 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4150 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16); 4151 4152 DP(NETIF_MSG_LINK, "set SGMII force speed %d\n", 4153 phy->req_line_speed); 4154 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 4155 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16); 4156 DP(NETIF_MSG_LINK, " (readback) %x\n", val16); 4157 } 4158 4159 /* SGMII Slave mode and disable signal detect */ 4160 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 4161 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1); 4162 if (fiber_mode) 4163 digctrl_kx1 = 1; 4164 else 4165 digctrl_kx1 &= 0xff4a; 4166 4167 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4168 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 4169 digctrl_kx1); 4170 4171 /* Turn off parallel detect */ 4172 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 4173 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2); 4174 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4175 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 4176 (digctrl_kx2 & ~(1<<2))); 4177 4178 /* Re-enable parallel detect */ 4179 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4180 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 4181 (digctrl_kx2 | (1<<2))); 4182 4183 /* Enable autodet */ 4184 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4185 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 4186 (digctrl_kx1 | 0x10)); 4187 } 4188 4189 static void bnx2x_warpcore_reset_lane(struct bnx2x *bp, 4190 struct bnx2x_phy *phy, 4191 u8 reset) 4192 { 4193 u16 val; 4194 /* Take lane out of reset after configuration is finished */ 4195 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 4196 MDIO_WC_REG_DIGITAL5_MISC6, &val); 4197 if (reset) 4198 val |= 0xC000; 4199 else 4200 val &= 0x3FFF; 4201 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4202 MDIO_WC_REG_DIGITAL5_MISC6, val); 4203 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 4204 MDIO_WC_REG_DIGITAL5_MISC6, &val); 4205 } 4206 /* Clear SFI/XFI link settings registers */ 4207 static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy, 4208 struct link_params *params, 4209 u16 lane) 4210 { 4211 struct bnx2x *bp = params->bp; 4212 u16 i; 4213 static struct bnx2x_reg_set wc_regs[] = { 4214 {MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0}, 4215 {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL1, 0x014a}, 4216 {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL3, 0x0800}, 4217 {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL4_MISC3, 0x8008}, 4218 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 4219 0x0195}, 4220 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 4221 0x0007}, 4222 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 4223 0x0002}, 4224 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000}, 4225 {MDIO_WC_DEVAD, MDIO_WC_REG_TX_FIR_TAP, 0x0000}, 4226 {MDIO_WC_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040}, 4227 {MDIO_WC_DEVAD, MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140} 4228 }; 4229 /* Set XFI clock comp as default. */ 4230 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, 4231 MDIO_WC_REG_RX66_CONTROL, (3<<13)); 4232 4233 for (i = 0; i < sizeof(wc_regs)/sizeof(struct bnx2x_reg_set); i++) 4234 bnx2x_cl45_write(bp, phy, wc_regs[i].devad, wc_regs[i].reg, 4235 wc_regs[i].val); 4236 4237 lane = bnx2x_get_warpcore_lane(phy, params); 4238 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4239 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990); 4240 4241 } 4242 4243 static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp, 4244 u32 chip_id, 4245 u32 shmem_base, u8 port, 4246 u8 *gpio_num, u8 *gpio_port) 4247 { 4248 u32 cfg_pin; 4249 *gpio_num = 0; 4250 *gpio_port = 0; 4251 if (CHIP_IS_E3(bp)) { 4252 cfg_pin = (REG_RD(bp, shmem_base + 4253 offsetof(struct shmem_region, 4254 dev_info.port_hw_config[port].e3_sfp_ctrl)) & 4255 PORT_HW_CFG_E3_MOD_ABS_MASK) >> 4256 PORT_HW_CFG_E3_MOD_ABS_SHIFT; 4257 4258 /* Should not happen. This function called upon interrupt 4259 * triggered by GPIO ( since EPIO can only generate interrupts 4260 * to MCP). 4261 * So if this function was called and none of the GPIOs was set, 4262 * it means the shit hit the fan. 4263 */ 4264 if ((cfg_pin < PIN_CFG_GPIO0_P0) || 4265 (cfg_pin > PIN_CFG_GPIO3_P1)) { 4266 DP(NETIF_MSG_LINK, 4267 "ERROR: Invalid cfg pin %x for module detect indication\n", 4268 cfg_pin); 4269 return -EINVAL; 4270 } 4271 4272 *gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3; 4273 *gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2; 4274 } else { 4275 *gpio_num = MISC_REGISTERS_GPIO_3; 4276 *gpio_port = port; 4277 } 4278 DP(NETIF_MSG_LINK, "MOD_ABS int GPIO%d_P%d\n", *gpio_num, *gpio_port); 4279 return 0; 4280 } 4281 4282 static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy, 4283 struct link_params *params) 4284 { 4285 struct bnx2x *bp = params->bp; 4286 u8 gpio_num, gpio_port; 4287 u32 gpio_val; 4288 if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, 4289 params->shmem_base, params->port, 4290 &gpio_num, &gpio_port) != 0) 4291 return 0; 4292 gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port); 4293 4294 /* Call the handling function in case module is detected */ 4295 if (gpio_val == 0) 4296 return 1; 4297 else 4298 return 0; 4299 } 4300 static int bnx2x_warpcore_get_sigdet(struct bnx2x_phy *phy, 4301 struct link_params *params) 4302 { 4303 u16 gp2_status_reg0, lane; 4304 struct bnx2x *bp = params->bp; 4305 4306 lane = bnx2x_get_warpcore_lane(phy, params); 4307 4308 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0, 4309 &gp2_status_reg0); 4310 4311 return (gp2_status_reg0 >> (8+lane)) & 0x1; 4312 } 4313 4314 static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy, 4315 struct link_params *params, 4316 struct link_vars *vars) 4317 { 4318 struct bnx2x *bp = params->bp; 4319 u32 serdes_net_if; 4320 u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0; 4321 u16 lane = bnx2x_get_warpcore_lane(phy, params); 4322 4323 vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1; 4324 4325 if (!vars->turn_to_run_wc_rt) 4326 return; 4327 4328 /* Return if there is no link partner */ 4329 if (!(bnx2x_warpcore_get_sigdet(phy, params))) { 4330 DP(NETIF_MSG_LINK, "bnx2x_warpcore_get_sigdet false\n"); 4331 return; 4332 } 4333 4334 if (vars->rx_tx_asic_rst) { 4335 serdes_net_if = (REG_RD(bp, params->shmem_base + 4336 offsetof(struct shmem_region, dev_info. 4337 port_hw_config[params->port].default_cfg)) & 4338 PORT_HW_CFG_NET_SERDES_IF_MASK); 4339 4340 switch (serdes_net_if) { 4341 case PORT_HW_CFG_NET_SERDES_IF_KR: 4342 /* Do we get link yet? */ 4343 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 0x81d1, 4344 &gp_status1); 4345 lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */ 4346 /*10G KR*/ 4347 lnkup_kr = (gp_status1 >> (12+lane)) & 0x1; 4348 4349 DP(NETIF_MSG_LINK, 4350 "gp_status1 0x%x\n", gp_status1); 4351 4352 if (lnkup_kr || lnkup) { 4353 vars->rx_tx_asic_rst = 0; 4354 DP(NETIF_MSG_LINK, 4355 "link up, rx_tx_asic_rst 0x%x\n", 4356 vars->rx_tx_asic_rst); 4357 } else { 4358 /* Reset the lane to see if link comes up.*/ 4359 bnx2x_warpcore_reset_lane(bp, phy, 1); 4360 bnx2x_warpcore_reset_lane(bp, phy, 0); 4361 4362 /* Restart Autoneg */ 4363 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, 4364 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200); 4365 4366 vars->rx_tx_asic_rst--; 4367 DP(NETIF_MSG_LINK, "0x%x retry left\n", 4368 vars->rx_tx_asic_rst); 4369 } 4370 break; 4371 4372 default: 4373 break; 4374 } 4375 4376 } /*params->rx_tx_asic_rst*/ 4377 4378 } 4379 static void bnx2x_warpcore_config_sfi(struct bnx2x_phy *phy, 4380 struct link_params *params) 4381 { 4382 u16 lane = bnx2x_get_warpcore_lane(phy, params); 4383 struct bnx2x *bp = params->bp; 4384 bnx2x_warpcore_clear_regs(phy, params, lane); 4385 if ((params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)] == 4386 SPEED_10000) && 4387 (phy->media_type != ETH_PHY_SFP_1G_FIBER)) { 4388 DP(NETIF_MSG_LINK, "Setting 10G SFI\n"); 4389 bnx2x_warpcore_set_10G_XFI(phy, params, 0); 4390 } else { 4391 DP(NETIF_MSG_LINK, "Setting 1G Fiber\n"); 4392 bnx2x_warpcore_set_sgmii_speed(phy, params, 1, 0); 4393 } 4394 } 4395 4396 static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy, 4397 struct link_params *params, 4398 struct link_vars *vars) 4399 { 4400 struct bnx2x *bp = params->bp; 4401 u32 serdes_net_if; 4402 u8 fiber_mode; 4403 u16 lane = bnx2x_get_warpcore_lane(phy, params); 4404 serdes_net_if = (REG_RD(bp, params->shmem_base + 4405 offsetof(struct shmem_region, dev_info. 4406 port_hw_config[params->port].default_cfg)) & 4407 PORT_HW_CFG_NET_SERDES_IF_MASK); 4408 DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, " 4409 "serdes_net_if = 0x%x\n", 4410 vars->line_speed, serdes_net_if); 4411 bnx2x_set_aer_mmd(params, phy); 4412 4413 vars->phy_flags |= PHY_XGXS_FLAG; 4414 if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) || 4415 (phy->req_line_speed && 4416 ((phy->req_line_speed == SPEED_100) || 4417 (phy->req_line_speed == SPEED_10)))) { 4418 vars->phy_flags |= PHY_SGMII_FLAG; 4419 DP(NETIF_MSG_LINK, "Setting SGMII mode\n"); 4420 bnx2x_warpcore_clear_regs(phy, params, lane); 4421 bnx2x_warpcore_set_sgmii_speed(phy, params, 0, 1); 4422 } else { 4423 switch (serdes_net_if) { 4424 case PORT_HW_CFG_NET_SERDES_IF_KR: 4425 /* Enable KR Auto Neg */ 4426 if (params->loopback_mode != LOOPBACK_EXT) 4427 bnx2x_warpcore_enable_AN_KR(phy, params, vars); 4428 else { 4429 DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n"); 4430 bnx2x_warpcore_set_10G_KR(phy, params, vars); 4431 } 4432 break; 4433 4434 case PORT_HW_CFG_NET_SERDES_IF_XFI: 4435 bnx2x_warpcore_clear_regs(phy, params, lane); 4436 if (vars->line_speed == SPEED_10000) { 4437 DP(NETIF_MSG_LINK, "Setting 10G XFI\n"); 4438 bnx2x_warpcore_set_10G_XFI(phy, params, 1); 4439 } else { 4440 if (SINGLE_MEDIA_DIRECT(params)) { 4441 DP(NETIF_MSG_LINK, "1G Fiber\n"); 4442 fiber_mode = 1; 4443 } else { 4444 DP(NETIF_MSG_LINK, "10/100/1G SGMII\n"); 4445 fiber_mode = 0; 4446 } 4447 bnx2x_warpcore_set_sgmii_speed(phy, 4448 params, 4449 fiber_mode, 4450 0); 4451 } 4452 4453 break; 4454 4455 case PORT_HW_CFG_NET_SERDES_IF_SFI: 4456 /* Issue Module detection */ 4457 if (bnx2x_is_sfp_module_plugged(phy, params)) 4458 bnx2x_sfp_module_detection(phy, params); 4459 4460 bnx2x_warpcore_config_sfi(phy, params); 4461 break; 4462 4463 case PORT_HW_CFG_NET_SERDES_IF_DXGXS: 4464 if (vars->line_speed != SPEED_20000) { 4465 DP(NETIF_MSG_LINK, "Speed not supported yet\n"); 4466 return; 4467 } 4468 DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n"); 4469 bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane); 4470 /* Issue Module detection */ 4471 4472 bnx2x_sfp_module_detection(phy, params); 4473 break; 4474 4475 case PORT_HW_CFG_NET_SERDES_IF_KR2: 4476 if (vars->line_speed != SPEED_20000) { 4477 DP(NETIF_MSG_LINK, "Speed not supported yet\n"); 4478 return; 4479 } 4480 DP(NETIF_MSG_LINK, "Setting 20G KR2\n"); 4481 bnx2x_warpcore_set_20G_KR2(bp, phy); 4482 break; 4483 4484 default: 4485 DP(NETIF_MSG_LINK, 4486 "Unsupported Serdes Net Interface 0x%x\n", 4487 serdes_net_if); 4488 return; 4489 } 4490 } 4491 4492 /* Take lane out of reset after configuration is finished */ 4493 bnx2x_warpcore_reset_lane(bp, phy, 0); 4494 DP(NETIF_MSG_LINK, "Exit config init\n"); 4495 } 4496 4497 static void bnx2x_sfp_e3_set_transmitter(struct link_params *params, 4498 struct bnx2x_phy *phy, 4499 u8 tx_en) 4500 { 4501 struct bnx2x *bp = params->bp; 4502 u32 cfg_pin; 4503 u8 port = params->port; 4504 4505 cfg_pin = REG_RD(bp, params->shmem_base + 4506 offsetof(struct shmem_region, 4507 dev_info.port_hw_config[port].e3_sfp_ctrl)) & 4508 PORT_HW_CFG_TX_LASER_MASK; 4509 /* Set the !tx_en since this pin is DISABLE_TX_LASER */ 4510 DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en); 4511 /* For 20G, the expected pin to be used is 3 pins after the current */ 4512 4513 bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1); 4514 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G) 4515 bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1); 4516 } 4517 4518 static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy, 4519 struct link_params *params) 4520 { 4521 struct bnx2x *bp = params->bp; 4522 u16 val16; 4523 bnx2x_sfp_e3_set_transmitter(params, phy, 0); 4524 bnx2x_set_mdio_clk(bp, params->chip_id, params->port); 4525 bnx2x_set_aer_mmd(params, phy); 4526 /* Global register */ 4527 bnx2x_warpcore_reset_lane(bp, phy, 1); 4528 4529 /* Clear loopback settings (if any) */ 4530 /* 10G & 20G */ 4531 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 4532 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16); 4533 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4534 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 & 4535 0xBFFF); 4536 4537 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 4538 MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16); 4539 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4540 MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 & 0xfffe); 4541 4542 /* Update those 1-copy registers */ 4543 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK, 4544 MDIO_AER_BLOCK_AER_REG, 0); 4545 /* Enable 1G MDIO (1-copy) */ 4546 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 4547 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, 4548 &val16); 4549 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4550 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, 4551 val16 & ~0x10); 4552 4553 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 4554 MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16); 4555 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4556 MDIO_WC_REG_XGXSBLK1_LANECTRL2, 4557 val16 & 0xff00); 4558 4559 } 4560 4561 static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy, 4562 struct link_params *params) 4563 { 4564 struct bnx2x *bp = params->bp; 4565 u16 val16; 4566 u32 lane; 4567 DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n", 4568 params->loopback_mode, phy->req_line_speed); 4569 4570 if (phy->req_line_speed < SPEED_10000) { 4571 /* 10/100/1000 */ 4572 4573 /* Update those 1-copy registers */ 4574 CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK, 4575 MDIO_AER_BLOCK_AER_REG, 0); 4576 /* Enable 1G MDIO (1-copy) */ 4577 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, 4578 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, 4579 0x10); 4580 /* Set 1G loopback based on lane (1-copy) */ 4581 lane = bnx2x_get_warpcore_lane(phy, params); 4582 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 4583 MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16); 4584 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 4585 MDIO_WC_REG_XGXSBLK1_LANECTRL2, 4586 val16 | (1<<lane)); 4587 4588 /* Switch back to 4-copy registers */ 4589 bnx2x_set_aer_mmd(params, phy); 4590 } else { 4591 /* 10G & 20G */ 4592 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, 4593 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 4594 0x4000); 4595 4596 bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, 4597 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1); 4598 } 4599 } 4600 4601 4602 4603 static void bnx2x_sync_link(struct link_params *params, 4604 struct link_vars *vars) 4605 { 4606 struct bnx2x *bp = params->bp; 4607 u8 link_10g_plus; 4608 if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG) 4609 vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG; 4610 vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP); 4611 if (vars->link_up) { 4612 DP(NETIF_MSG_LINK, "phy link up\n"); 4613 4614 vars->phy_link_up = 1; 4615 vars->duplex = DUPLEX_FULL; 4616 switch (vars->link_status & 4617 LINK_STATUS_SPEED_AND_DUPLEX_MASK) { 4618 case LINK_10THD: 4619 vars->duplex = DUPLEX_HALF; 4620 /* Fall thru */ 4621 case LINK_10TFD: 4622 vars->line_speed = SPEED_10; 4623 break; 4624 4625 case LINK_100TXHD: 4626 vars->duplex = DUPLEX_HALF; 4627 /* Fall thru */ 4628 case LINK_100T4: 4629 case LINK_100TXFD: 4630 vars->line_speed = SPEED_100; 4631 break; 4632 4633 case LINK_1000THD: 4634 vars->duplex = DUPLEX_HALF; 4635 /* Fall thru */ 4636 case LINK_1000TFD: 4637 vars->line_speed = SPEED_1000; 4638 break; 4639 4640 case LINK_2500THD: 4641 vars->duplex = DUPLEX_HALF; 4642 /* Fall thru */ 4643 case LINK_2500TFD: 4644 vars->line_speed = SPEED_2500; 4645 break; 4646 4647 case LINK_10GTFD: 4648 vars->line_speed = SPEED_10000; 4649 break; 4650 case LINK_20GTFD: 4651 vars->line_speed = SPEED_20000; 4652 break; 4653 default: 4654 break; 4655 } 4656 vars->flow_ctrl = 0; 4657 if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED) 4658 vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX; 4659 4660 if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED) 4661 vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX; 4662 4663 if (!vars->flow_ctrl) 4664 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE; 4665 4666 if (vars->line_speed && 4667 ((vars->line_speed == SPEED_10) || 4668 (vars->line_speed == SPEED_100))) { 4669 vars->phy_flags |= PHY_SGMII_FLAG; 4670 } else { 4671 vars->phy_flags &= ~PHY_SGMII_FLAG; 4672 } 4673 if (vars->line_speed && 4674 USES_WARPCORE(bp) && 4675 (vars->line_speed == SPEED_1000)) 4676 vars->phy_flags |= PHY_SGMII_FLAG; 4677 /* Anything 10 and over uses the bmac */ 4678 link_10g_plus = (vars->line_speed >= SPEED_10000); 4679 4680 if (link_10g_plus) { 4681 if (USES_WARPCORE(bp)) 4682 vars->mac_type = MAC_TYPE_XMAC; 4683 else 4684 vars->mac_type = MAC_TYPE_BMAC; 4685 } else { 4686 if (USES_WARPCORE(bp)) 4687 vars->mac_type = MAC_TYPE_UMAC; 4688 else 4689 vars->mac_type = MAC_TYPE_EMAC; 4690 } 4691 } else { /* Link down */ 4692 DP(NETIF_MSG_LINK, "phy link down\n"); 4693 4694 vars->phy_link_up = 0; 4695 4696 vars->line_speed = 0; 4697 vars->duplex = DUPLEX_FULL; 4698 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE; 4699 4700 /* Indicate no mac active */ 4701 vars->mac_type = MAC_TYPE_NONE; 4702 if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG) 4703 vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG; 4704 if (vars->link_status & LINK_STATUS_SFP_TX_FAULT) 4705 vars->phy_flags |= PHY_SFP_TX_FAULT_FLAG; 4706 } 4707 } 4708 4709 void bnx2x_link_status_update(struct link_params *params, 4710 struct link_vars *vars) 4711 { 4712 struct bnx2x *bp = params->bp; 4713 u8 port = params->port; 4714 u32 sync_offset, media_types; 4715 /* Update PHY configuration */ 4716 set_phy_vars(params, vars); 4717 4718 vars->link_status = REG_RD(bp, params->shmem_base + 4719 offsetof(struct shmem_region, 4720 port_mb[port].link_status)); 4721 4722 vars->phy_flags = PHY_XGXS_FLAG; 4723 bnx2x_sync_link(params, vars); 4724 /* Sync media type */ 4725 sync_offset = params->shmem_base + 4726 offsetof(struct shmem_region, 4727 dev_info.port_hw_config[port].media_type); 4728 media_types = REG_RD(bp, sync_offset); 4729 4730 params->phy[INT_PHY].media_type = 4731 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >> 4732 PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT; 4733 params->phy[EXT_PHY1].media_type = 4734 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >> 4735 PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT; 4736 params->phy[EXT_PHY2].media_type = 4737 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >> 4738 PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT; 4739 DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types); 4740 4741 /* Sync AEU offset */ 4742 sync_offset = params->shmem_base + 4743 offsetof(struct shmem_region, 4744 dev_info.port_hw_config[port].aeu_int_mask); 4745 4746 vars->aeu_int_mask = REG_RD(bp, sync_offset); 4747 4748 /* Sync PFC status */ 4749 if (vars->link_status & LINK_STATUS_PFC_ENABLED) 4750 params->feature_config_flags |= 4751 FEATURE_CONFIG_PFC_ENABLED; 4752 else 4753 params->feature_config_flags &= 4754 ~FEATURE_CONFIG_PFC_ENABLED; 4755 4756 DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n", 4757 vars->link_status, vars->phy_link_up, vars->aeu_int_mask); 4758 DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n", 4759 vars->line_speed, vars->duplex, vars->flow_ctrl); 4760 } 4761 4762 static void bnx2x_set_master_ln(struct link_params *params, 4763 struct bnx2x_phy *phy) 4764 { 4765 struct bnx2x *bp = params->bp; 4766 u16 new_master_ln, ser_lane; 4767 ser_lane = ((params->lane_config & 4768 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >> 4769 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT); 4770 4771 /* Set the master_ln for AN */ 4772 CL22_RD_OVER_CL45(bp, phy, 4773 MDIO_REG_BANK_XGXS_BLOCK2, 4774 MDIO_XGXS_BLOCK2_TEST_MODE_LANE, 4775 &new_master_ln); 4776 4777 CL22_WR_OVER_CL45(bp, phy, 4778 MDIO_REG_BANK_XGXS_BLOCK2 , 4779 MDIO_XGXS_BLOCK2_TEST_MODE_LANE, 4780 (new_master_ln | ser_lane)); 4781 } 4782 4783 static int bnx2x_reset_unicore(struct link_params *params, 4784 struct bnx2x_phy *phy, 4785 u8 set_serdes) 4786 { 4787 struct bnx2x *bp = params->bp; 4788 u16 mii_control; 4789 u16 i; 4790 CL22_RD_OVER_CL45(bp, phy, 4791 MDIO_REG_BANK_COMBO_IEEE0, 4792 MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control); 4793 4794 /* Reset the unicore */ 4795 CL22_WR_OVER_CL45(bp, phy, 4796 MDIO_REG_BANK_COMBO_IEEE0, 4797 MDIO_COMBO_IEEE0_MII_CONTROL, 4798 (mii_control | 4799 MDIO_COMBO_IEEO_MII_CONTROL_RESET)); 4800 if (set_serdes) 4801 bnx2x_set_serdes_access(bp, params->port); 4802 4803 /* Wait for the reset to self clear */ 4804 for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) { 4805 udelay(5); 4806 4807 /* The reset erased the previous bank value */ 4808 CL22_RD_OVER_CL45(bp, phy, 4809 MDIO_REG_BANK_COMBO_IEEE0, 4810 MDIO_COMBO_IEEE0_MII_CONTROL, 4811 &mii_control); 4812 4813 if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) { 4814 udelay(5); 4815 return 0; 4816 } 4817 } 4818 4819 netdev_err(bp->dev, "Warning: PHY was not initialized," 4820 " Port %d\n", 4821 params->port); 4822 DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n"); 4823 return -EINVAL; 4824 4825 } 4826 4827 static void bnx2x_set_swap_lanes(struct link_params *params, 4828 struct bnx2x_phy *phy) 4829 { 4830 struct bnx2x *bp = params->bp; 4831 /* Each two bits represents a lane number: 4832 * No swap is 0123 => 0x1b no need to enable the swap 4833 */ 4834 u16 rx_lane_swap, tx_lane_swap; 4835 4836 rx_lane_swap = ((params->lane_config & 4837 PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >> 4838 PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT); 4839 tx_lane_swap = ((params->lane_config & 4840 PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >> 4841 PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT); 4842 4843 if (rx_lane_swap != 0x1b) { 4844 CL22_WR_OVER_CL45(bp, phy, 4845 MDIO_REG_BANK_XGXS_BLOCK2, 4846 MDIO_XGXS_BLOCK2_RX_LN_SWAP, 4847 (rx_lane_swap | 4848 MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE | 4849 MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE)); 4850 } else { 4851 CL22_WR_OVER_CL45(bp, phy, 4852 MDIO_REG_BANK_XGXS_BLOCK2, 4853 MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0); 4854 } 4855 4856 if (tx_lane_swap != 0x1b) { 4857 CL22_WR_OVER_CL45(bp, phy, 4858 MDIO_REG_BANK_XGXS_BLOCK2, 4859 MDIO_XGXS_BLOCK2_TX_LN_SWAP, 4860 (tx_lane_swap | 4861 MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE)); 4862 } else { 4863 CL22_WR_OVER_CL45(bp, phy, 4864 MDIO_REG_BANK_XGXS_BLOCK2, 4865 MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0); 4866 } 4867 } 4868 4869 static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy, 4870 struct link_params *params) 4871 { 4872 struct bnx2x *bp = params->bp; 4873 u16 control2; 4874 CL22_RD_OVER_CL45(bp, phy, 4875 MDIO_REG_BANK_SERDES_DIGITAL, 4876 MDIO_SERDES_DIGITAL_A_1000X_CONTROL2, 4877 &control2); 4878 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) 4879 control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN; 4880 else 4881 control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN; 4882 DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n", 4883 phy->speed_cap_mask, control2); 4884 CL22_WR_OVER_CL45(bp, phy, 4885 MDIO_REG_BANK_SERDES_DIGITAL, 4886 MDIO_SERDES_DIGITAL_A_1000X_CONTROL2, 4887 control2); 4888 4889 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) && 4890 (phy->speed_cap_mask & 4891 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) { 4892 DP(NETIF_MSG_LINK, "XGXS\n"); 4893 4894 CL22_WR_OVER_CL45(bp, phy, 4895 MDIO_REG_BANK_10G_PARALLEL_DETECT, 4896 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK, 4897 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT); 4898 4899 CL22_RD_OVER_CL45(bp, phy, 4900 MDIO_REG_BANK_10G_PARALLEL_DETECT, 4901 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL, 4902 &control2); 4903 4904 4905 control2 |= 4906 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN; 4907 4908 CL22_WR_OVER_CL45(bp, phy, 4909 MDIO_REG_BANK_10G_PARALLEL_DETECT, 4910 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL, 4911 control2); 4912 4913 /* Disable parallel detection of HiG */ 4914 CL22_WR_OVER_CL45(bp, phy, 4915 MDIO_REG_BANK_XGXS_BLOCK2, 4916 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G, 4917 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS | 4918 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS); 4919 } 4920 } 4921 4922 static void bnx2x_set_autoneg(struct bnx2x_phy *phy, 4923 struct link_params *params, 4924 struct link_vars *vars, 4925 u8 enable_cl73) 4926 { 4927 struct bnx2x *bp = params->bp; 4928 u16 reg_val; 4929 4930 /* CL37 Autoneg */ 4931 CL22_RD_OVER_CL45(bp, phy, 4932 MDIO_REG_BANK_COMBO_IEEE0, 4933 MDIO_COMBO_IEEE0_MII_CONTROL, ®_val); 4934 4935 /* CL37 Autoneg Enabled */ 4936 if (vars->line_speed == SPEED_AUTO_NEG) 4937 reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN; 4938 else /* CL37 Autoneg Disabled */ 4939 reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN | 4940 MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN); 4941 4942 CL22_WR_OVER_CL45(bp, phy, 4943 MDIO_REG_BANK_COMBO_IEEE0, 4944 MDIO_COMBO_IEEE0_MII_CONTROL, reg_val); 4945 4946 /* Enable/Disable Autodetection */ 4947 4948 CL22_RD_OVER_CL45(bp, phy, 4949 MDIO_REG_BANK_SERDES_DIGITAL, 4950 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, ®_val); 4951 reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN | 4952 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT); 4953 reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE; 4954 if (vars->line_speed == SPEED_AUTO_NEG) 4955 reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET; 4956 else 4957 reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET; 4958 4959 CL22_WR_OVER_CL45(bp, phy, 4960 MDIO_REG_BANK_SERDES_DIGITAL, 4961 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val); 4962 4963 /* Enable TetonII and BAM autoneg */ 4964 CL22_RD_OVER_CL45(bp, phy, 4965 MDIO_REG_BANK_BAM_NEXT_PAGE, 4966 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL, 4967 ®_val); 4968 if (vars->line_speed == SPEED_AUTO_NEG) { 4969 /* Enable BAM aneg Mode and TetonII aneg Mode */ 4970 reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE | 4971 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN); 4972 } else { 4973 /* TetonII and BAM Autoneg Disabled */ 4974 reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE | 4975 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN); 4976 } 4977 CL22_WR_OVER_CL45(bp, phy, 4978 MDIO_REG_BANK_BAM_NEXT_PAGE, 4979 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL, 4980 reg_val); 4981 4982 if (enable_cl73) { 4983 /* Enable Cl73 FSM status bits */ 4984 CL22_WR_OVER_CL45(bp, phy, 4985 MDIO_REG_BANK_CL73_USERB0, 4986 MDIO_CL73_USERB0_CL73_UCTRL, 4987 0xe); 4988 4989 /* Enable BAM Station Manager*/ 4990 CL22_WR_OVER_CL45(bp, phy, 4991 MDIO_REG_BANK_CL73_USERB0, 4992 MDIO_CL73_USERB0_CL73_BAM_CTRL1, 4993 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN | 4994 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN | 4995 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN); 4996 4997 /* Advertise CL73 link speeds */ 4998 CL22_RD_OVER_CL45(bp, phy, 4999 MDIO_REG_BANK_CL73_IEEEB1, 5000 MDIO_CL73_IEEEB1_AN_ADV2, 5001 ®_val); 5002 if (phy->speed_cap_mask & 5003 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) 5004 reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4; 5005 if (phy->speed_cap_mask & 5006 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) 5007 reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX; 5008 5009 CL22_WR_OVER_CL45(bp, phy, 5010 MDIO_REG_BANK_CL73_IEEEB1, 5011 MDIO_CL73_IEEEB1_AN_ADV2, 5012 reg_val); 5013 5014 /* CL73 Autoneg Enabled */ 5015 reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN; 5016 5017 } else /* CL73 Autoneg Disabled */ 5018 reg_val = 0; 5019 5020 CL22_WR_OVER_CL45(bp, phy, 5021 MDIO_REG_BANK_CL73_IEEEB0, 5022 MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val); 5023 } 5024 5025 /* Program SerDes, forced speed */ 5026 static void bnx2x_program_serdes(struct bnx2x_phy *phy, 5027 struct link_params *params, 5028 struct link_vars *vars) 5029 { 5030 struct bnx2x *bp = params->bp; 5031 u16 reg_val; 5032 5033 /* Program duplex, disable autoneg and sgmii*/ 5034 CL22_RD_OVER_CL45(bp, phy, 5035 MDIO_REG_BANK_COMBO_IEEE0, 5036 MDIO_COMBO_IEEE0_MII_CONTROL, ®_val); 5037 reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX | 5038 MDIO_COMBO_IEEO_MII_CONTROL_AN_EN | 5039 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK); 5040 if (phy->req_duplex == DUPLEX_FULL) 5041 reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX; 5042 CL22_WR_OVER_CL45(bp, phy, 5043 MDIO_REG_BANK_COMBO_IEEE0, 5044 MDIO_COMBO_IEEE0_MII_CONTROL, reg_val); 5045 5046 /* Program speed 5047 * - needed only if the speed is greater than 1G (2.5G or 10G) 5048 */ 5049 CL22_RD_OVER_CL45(bp, phy, 5050 MDIO_REG_BANK_SERDES_DIGITAL, 5051 MDIO_SERDES_DIGITAL_MISC1, ®_val); 5052 /* Clearing the speed value before setting the right speed */ 5053 DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val); 5054 5055 reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK | 5056 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL); 5057 5058 if (!((vars->line_speed == SPEED_1000) || 5059 (vars->line_speed == SPEED_100) || 5060 (vars->line_speed == SPEED_10))) { 5061 5062 reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M | 5063 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL); 5064 if (vars->line_speed == SPEED_10000) 5065 reg_val |= 5066 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4; 5067 } 5068 5069 CL22_WR_OVER_CL45(bp, phy, 5070 MDIO_REG_BANK_SERDES_DIGITAL, 5071 MDIO_SERDES_DIGITAL_MISC1, reg_val); 5072 5073 } 5074 5075 static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy, 5076 struct link_params *params) 5077 { 5078 struct bnx2x *bp = params->bp; 5079 u16 val = 0; 5080 5081 /* Set extended capabilities */ 5082 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) 5083 val |= MDIO_OVER_1G_UP1_2_5G; 5084 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) 5085 val |= MDIO_OVER_1G_UP1_10G; 5086 CL22_WR_OVER_CL45(bp, phy, 5087 MDIO_REG_BANK_OVER_1G, 5088 MDIO_OVER_1G_UP1, val); 5089 5090 CL22_WR_OVER_CL45(bp, phy, 5091 MDIO_REG_BANK_OVER_1G, 5092 MDIO_OVER_1G_UP3, 0x400); 5093 } 5094 5095 static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy, 5096 struct link_params *params, 5097 u16 ieee_fc) 5098 { 5099 struct bnx2x *bp = params->bp; 5100 u16 val; 5101 /* For AN, we are always publishing full duplex */ 5102 5103 CL22_WR_OVER_CL45(bp, phy, 5104 MDIO_REG_BANK_COMBO_IEEE0, 5105 MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc); 5106 CL22_RD_OVER_CL45(bp, phy, 5107 MDIO_REG_BANK_CL73_IEEEB1, 5108 MDIO_CL73_IEEEB1_AN_ADV1, &val); 5109 val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH; 5110 val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK); 5111 CL22_WR_OVER_CL45(bp, phy, 5112 MDIO_REG_BANK_CL73_IEEEB1, 5113 MDIO_CL73_IEEEB1_AN_ADV1, val); 5114 } 5115 5116 static void bnx2x_restart_autoneg(struct bnx2x_phy *phy, 5117 struct link_params *params, 5118 u8 enable_cl73) 5119 { 5120 struct bnx2x *bp = params->bp; 5121 u16 mii_control; 5122 5123 DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n"); 5124 /* Enable and restart BAM/CL37 aneg */ 5125 5126 if (enable_cl73) { 5127 CL22_RD_OVER_CL45(bp, phy, 5128 MDIO_REG_BANK_CL73_IEEEB0, 5129 MDIO_CL73_IEEEB0_CL73_AN_CONTROL, 5130 &mii_control); 5131 5132 CL22_WR_OVER_CL45(bp, phy, 5133 MDIO_REG_BANK_CL73_IEEEB0, 5134 MDIO_CL73_IEEEB0_CL73_AN_CONTROL, 5135 (mii_control | 5136 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN | 5137 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN)); 5138 } else { 5139 5140 CL22_RD_OVER_CL45(bp, phy, 5141 MDIO_REG_BANK_COMBO_IEEE0, 5142 MDIO_COMBO_IEEE0_MII_CONTROL, 5143 &mii_control); 5144 DP(NETIF_MSG_LINK, 5145 "bnx2x_restart_autoneg mii_control before = 0x%x\n", 5146 mii_control); 5147 CL22_WR_OVER_CL45(bp, phy, 5148 MDIO_REG_BANK_COMBO_IEEE0, 5149 MDIO_COMBO_IEEE0_MII_CONTROL, 5150 (mii_control | 5151 MDIO_COMBO_IEEO_MII_CONTROL_AN_EN | 5152 MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN)); 5153 } 5154 } 5155 5156 static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy, 5157 struct link_params *params, 5158 struct link_vars *vars) 5159 { 5160 struct bnx2x *bp = params->bp; 5161 u16 control1; 5162 5163 /* In SGMII mode, the unicore is always slave */ 5164 5165 CL22_RD_OVER_CL45(bp, phy, 5166 MDIO_REG_BANK_SERDES_DIGITAL, 5167 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, 5168 &control1); 5169 control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT; 5170 /* Set sgmii mode (and not fiber) */ 5171 control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE | 5172 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET | 5173 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE); 5174 CL22_WR_OVER_CL45(bp, phy, 5175 MDIO_REG_BANK_SERDES_DIGITAL, 5176 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, 5177 control1); 5178 5179 /* If forced speed */ 5180 if (!(vars->line_speed == SPEED_AUTO_NEG)) { 5181 /* Set speed, disable autoneg */ 5182 u16 mii_control; 5183 5184 CL22_RD_OVER_CL45(bp, phy, 5185 MDIO_REG_BANK_COMBO_IEEE0, 5186 MDIO_COMBO_IEEE0_MII_CONTROL, 5187 &mii_control); 5188 mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN | 5189 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK| 5190 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX); 5191 5192 switch (vars->line_speed) { 5193 case SPEED_100: 5194 mii_control |= 5195 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100; 5196 break; 5197 case SPEED_1000: 5198 mii_control |= 5199 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000; 5200 break; 5201 case SPEED_10: 5202 /* There is nothing to set for 10M */ 5203 break; 5204 default: 5205 /* Invalid speed for SGMII */ 5206 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n", 5207 vars->line_speed); 5208 break; 5209 } 5210 5211 /* Setting the full duplex */ 5212 if (phy->req_duplex == DUPLEX_FULL) 5213 mii_control |= 5214 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX; 5215 CL22_WR_OVER_CL45(bp, phy, 5216 MDIO_REG_BANK_COMBO_IEEE0, 5217 MDIO_COMBO_IEEE0_MII_CONTROL, 5218 mii_control); 5219 5220 } else { /* AN mode */ 5221 /* Enable and restart AN */ 5222 bnx2x_restart_autoneg(phy, params, 0); 5223 } 5224 } 5225 5226 /* Link management 5227 */ 5228 static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy, 5229 struct link_params *params) 5230 { 5231 struct bnx2x *bp = params->bp; 5232 u16 pd_10g, status2_1000x; 5233 if (phy->req_line_speed != SPEED_AUTO_NEG) 5234 return 0; 5235 CL22_RD_OVER_CL45(bp, phy, 5236 MDIO_REG_BANK_SERDES_DIGITAL, 5237 MDIO_SERDES_DIGITAL_A_1000X_STATUS2, 5238 &status2_1000x); 5239 CL22_RD_OVER_CL45(bp, phy, 5240 MDIO_REG_BANK_SERDES_DIGITAL, 5241 MDIO_SERDES_DIGITAL_A_1000X_STATUS2, 5242 &status2_1000x); 5243 if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) { 5244 DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n", 5245 params->port); 5246 return 1; 5247 } 5248 5249 CL22_RD_OVER_CL45(bp, phy, 5250 MDIO_REG_BANK_10G_PARALLEL_DETECT, 5251 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS, 5252 &pd_10g); 5253 5254 if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) { 5255 DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n", 5256 params->port); 5257 return 1; 5258 } 5259 return 0; 5260 } 5261 5262 static void bnx2x_update_adv_fc(struct bnx2x_phy *phy, 5263 struct link_params *params, 5264 struct link_vars *vars, 5265 u32 gp_status) 5266 { 5267 u16 ld_pause; /* local driver */ 5268 u16 lp_pause; /* link partner */ 5269 u16 pause_result; 5270 struct bnx2x *bp = params->bp; 5271 if ((gp_status & 5272 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | 5273 MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) == 5274 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | 5275 MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) { 5276 5277 CL22_RD_OVER_CL45(bp, phy, 5278 MDIO_REG_BANK_CL73_IEEEB1, 5279 MDIO_CL73_IEEEB1_AN_ADV1, 5280 &ld_pause); 5281 CL22_RD_OVER_CL45(bp, phy, 5282 MDIO_REG_BANK_CL73_IEEEB1, 5283 MDIO_CL73_IEEEB1_AN_LP_ADV1, 5284 &lp_pause); 5285 pause_result = (ld_pause & 5286 MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK) >> 8; 5287 pause_result |= (lp_pause & 5288 MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK) >> 10; 5289 DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n", pause_result); 5290 } else { 5291 CL22_RD_OVER_CL45(bp, phy, 5292 MDIO_REG_BANK_COMBO_IEEE0, 5293 MDIO_COMBO_IEEE0_AUTO_NEG_ADV, 5294 &ld_pause); 5295 CL22_RD_OVER_CL45(bp, phy, 5296 MDIO_REG_BANK_COMBO_IEEE0, 5297 MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1, 5298 &lp_pause); 5299 pause_result = (ld_pause & 5300 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5; 5301 pause_result |= (lp_pause & 5302 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7; 5303 DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n", pause_result); 5304 } 5305 bnx2x_pause_resolve(vars, pause_result); 5306 5307 } 5308 5309 static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy, 5310 struct link_params *params, 5311 struct link_vars *vars, 5312 u32 gp_status) 5313 { 5314 struct bnx2x *bp = params->bp; 5315 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE; 5316 5317 /* Resolve from gp_status in case of AN complete and not sgmii */ 5318 if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) { 5319 /* Update the advertised flow-controled of LD/LP in AN */ 5320 if (phy->req_line_speed == SPEED_AUTO_NEG) 5321 bnx2x_update_adv_fc(phy, params, vars, gp_status); 5322 /* But set the flow-control result as the requested one */ 5323 vars->flow_ctrl = phy->req_flow_ctrl; 5324 } else if (phy->req_line_speed != SPEED_AUTO_NEG) 5325 vars->flow_ctrl = params->req_fc_auto_adv; 5326 else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) && 5327 (!(vars->phy_flags & PHY_SGMII_FLAG))) { 5328 if (bnx2x_direct_parallel_detect_used(phy, params)) { 5329 vars->flow_ctrl = params->req_fc_auto_adv; 5330 return; 5331 } 5332 bnx2x_update_adv_fc(phy, params, vars, gp_status); 5333 } 5334 DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl); 5335 } 5336 5337 static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy, 5338 struct link_params *params) 5339 { 5340 struct bnx2x *bp = params->bp; 5341 u16 rx_status, ustat_val, cl37_fsm_received; 5342 DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n"); 5343 /* Step 1: Make sure signal is detected */ 5344 CL22_RD_OVER_CL45(bp, phy, 5345 MDIO_REG_BANK_RX0, 5346 MDIO_RX0_RX_STATUS, 5347 &rx_status); 5348 if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) != 5349 (MDIO_RX0_RX_STATUS_SIGDET)) { 5350 DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73." 5351 "rx_status(0x80b0) = 0x%x\n", rx_status); 5352 CL22_WR_OVER_CL45(bp, phy, 5353 MDIO_REG_BANK_CL73_IEEEB0, 5354 MDIO_CL73_IEEEB0_CL73_AN_CONTROL, 5355 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN); 5356 return; 5357 } 5358 /* Step 2: Check CL73 state machine */ 5359 CL22_RD_OVER_CL45(bp, phy, 5360 MDIO_REG_BANK_CL73_USERB0, 5361 MDIO_CL73_USERB0_CL73_USTAT1, 5362 &ustat_val); 5363 if ((ustat_val & 5364 (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK | 5365 MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) != 5366 (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK | 5367 MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) { 5368 DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. " 5369 "ustat_val(0x8371) = 0x%x\n", ustat_val); 5370 return; 5371 } 5372 /* Step 3: Check CL37 Message Pages received to indicate LP 5373 * supports only CL37 5374 */ 5375 CL22_RD_OVER_CL45(bp, phy, 5376 MDIO_REG_BANK_REMOTE_PHY, 5377 MDIO_REMOTE_PHY_MISC_RX_STATUS, 5378 &cl37_fsm_received); 5379 if ((cl37_fsm_received & 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 (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG | 5383 MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) { 5384 DP(NETIF_MSG_LINK, "No CL37 FSM were received. " 5385 "misc_rx_status(0x8330) = 0x%x\n", 5386 cl37_fsm_received); 5387 return; 5388 } 5389 /* The combined cl37/cl73 fsm state information indicating that 5390 * we are connected to a device which does not support cl73, but 5391 * does support cl37 BAM. In this case we disable cl73 and 5392 * restart cl37 auto-neg 5393 */ 5394 5395 /* Disable CL73 */ 5396 CL22_WR_OVER_CL45(bp, phy, 5397 MDIO_REG_BANK_CL73_IEEEB0, 5398 MDIO_CL73_IEEEB0_CL73_AN_CONTROL, 5399 0); 5400 /* Restart CL37 autoneg */ 5401 bnx2x_restart_autoneg(phy, params, 0); 5402 DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n"); 5403 } 5404 5405 static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy, 5406 struct link_params *params, 5407 struct link_vars *vars, 5408 u32 gp_status) 5409 { 5410 if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE) 5411 vars->link_status |= 5412 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE; 5413 5414 if (bnx2x_direct_parallel_detect_used(phy, params)) 5415 vars->link_status |= 5416 LINK_STATUS_PARALLEL_DETECTION_USED; 5417 } 5418 static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy, 5419 struct link_params *params, 5420 struct link_vars *vars, 5421 u16 is_link_up, 5422 u16 speed_mask, 5423 u16 is_duplex) 5424 { 5425 struct bnx2x *bp = params->bp; 5426 if (phy->req_line_speed == SPEED_AUTO_NEG) 5427 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED; 5428 if (is_link_up) { 5429 DP(NETIF_MSG_LINK, "phy link up\n"); 5430 5431 vars->phy_link_up = 1; 5432 vars->link_status |= LINK_STATUS_LINK_UP; 5433 5434 switch (speed_mask) { 5435 case GP_STATUS_10M: 5436 vars->line_speed = SPEED_10; 5437 if (is_duplex == DUPLEX_FULL) 5438 vars->link_status |= LINK_10TFD; 5439 else 5440 vars->link_status |= LINK_10THD; 5441 break; 5442 5443 case GP_STATUS_100M: 5444 vars->line_speed = SPEED_100; 5445 if (is_duplex == DUPLEX_FULL) 5446 vars->link_status |= LINK_100TXFD; 5447 else 5448 vars->link_status |= LINK_100TXHD; 5449 break; 5450 5451 case GP_STATUS_1G: 5452 case GP_STATUS_1G_KX: 5453 vars->line_speed = SPEED_1000; 5454 if (is_duplex == DUPLEX_FULL) 5455 vars->link_status |= LINK_1000TFD; 5456 else 5457 vars->link_status |= LINK_1000THD; 5458 break; 5459 5460 case GP_STATUS_2_5G: 5461 vars->line_speed = SPEED_2500; 5462 if (is_duplex == DUPLEX_FULL) 5463 vars->link_status |= LINK_2500TFD; 5464 else 5465 vars->link_status |= LINK_2500THD; 5466 break; 5467 5468 case GP_STATUS_5G: 5469 case GP_STATUS_6G: 5470 DP(NETIF_MSG_LINK, 5471 "link speed unsupported gp_status 0x%x\n", 5472 speed_mask); 5473 return -EINVAL; 5474 5475 case GP_STATUS_10G_KX4: 5476 case GP_STATUS_10G_HIG: 5477 case GP_STATUS_10G_CX4: 5478 case GP_STATUS_10G_KR: 5479 case GP_STATUS_10G_SFI: 5480 case GP_STATUS_10G_XFI: 5481 vars->line_speed = SPEED_10000; 5482 vars->link_status |= LINK_10GTFD; 5483 break; 5484 case GP_STATUS_20G_DXGXS: 5485 vars->line_speed = SPEED_20000; 5486 vars->link_status |= LINK_20GTFD; 5487 break; 5488 default: 5489 DP(NETIF_MSG_LINK, 5490 "link speed unsupported gp_status 0x%x\n", 5491 speed_mask); 5492 return -EINVAL; 5493 } 5494 } else { /* link_down */ 5495 DP(NETIF_MSG_LINK, "phy link down\n"); 5496 5497 vars->phy_link_up = 0; 5498 5499 vars->duplex = DUPLEX_FULL; 5500 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE; 5501 vars->mac_type = MAC_TYPE_NONE; 5502 } 5503 DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n", 5504 vars->phy_link_up, vars->line_speed); 5505 return 0; 5506 } 5507 5508 static int bnx2x_link_settings_status(struct bnx2x_phy *phy, 5509 struct link_params *params, 5510 struct link_vars *vars) 5511 { 5512 struct bnx2x *bp = params->bp; 5513 5514 u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask; 5515 int rc = 0; 5516 5517 /* Read gp_status */ 5518 CL22_RD_OVER_CL45(bp, phy, 5519 MDIO_REG_BANK_GP_STATUS, 5520 MDIO_GP_STATUS_TOP_AN_STATUS1, 5521 &gp_status); 5522 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS) 5523 duplex = DUPLEX_FULL; 5524 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) 5525 link_up = 1; 5526 speed_mask = gp_status & GP_STATUS_SPEED_MASK; 5527 DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n", 5528 gp_status, link_up, speed_mask); 5529 rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask, 5530 duplex); 5531 if (rc == -EINVAL) 5532 return rc; 5533 5534 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) { 5535 if (SINGLE_MEDIA_DIRECT(params)) { 5536 vars->duplex = duplex; 5537 bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status); 5538 if (phy->req_line_speed == SPEED_AUTO_NEG) 5539 bnx2x_xgxs_an_resolve(phy, params, vars, 5540 gp_status); 5541 } 5542 } else { /* Link_down */ 5543 if ((phy->req_line_speed == SPEED_AUTO_NEG) && 5544 SINGLE_MEDIA_DIRECT(params)) { 5545 /* Check signal is detected */ 5546 bnx2x_check_fallback_to_cl37(phy, params); 5547 } 5548 } 5549 5550 /* Read LP advertised speeds*/ 5551 if (SINGLE_MEDIA_DIRECT(params) && 5552 (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)) { 5553 u16 val; 5554 5555 CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB1, 5556 MDIO_CL73_IEEEB1_AN_LP_ADV2, &val); 5557 5558 if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX) 5559 vars->link_status |= 5560 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE; 5561 if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 | 5562 MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR)) 5563 vars->link_status |= 5564 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE; 5565 5566 CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_OVER_1G, 5567 MDIO_OVER_1G_LP_UP1, &val); 5568 5569 if (val & MDIO_OVER_1G_UP1_2_5G) 5570 vars->link_status |= 5571 LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE; 5572 if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH)) 5573 vars->link_status |= 5574 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE; 5575 } 5576 5577 DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n", 5578 vars->duplex, vars->flow_ctrl, vars->link_status); 5579 return rc; 5580 } 5581 5582 static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy, 5583 struct link_params *params, 5584 struct link_vars *vars) 5585 { 5586 struct bnx2x *bp = params->bp; 5587 u8 lane; 5588 u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL; 5589 int rc = 0; 5590 lane = bnx2x_get_warpcore_lane(phy, params); 5591 /* Read gp_status */ 5592 if (phy->req_line_speed > SPEED_10000) { 5593 u16 temp_link_up; 5594 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 5595 1, &temp_link_up); 5596 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 5597 1, &link_up); 5598 DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n", 5599 temp_link_up, link_up); 5600 link_up &= (1<<2); 5601 if (link_up) 5602 bnx2x_ext_phy_resolve_fc(phy, params, vars); 5603 } else { 5604 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 5605 MDIO_WC_REG_GP2_STATUS_GP_2_1, &gp_status1); 5606 DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1); 5607 /* Check for either KR or generic link up. */ 5608 gp_status1 = ((gp_status1 >> 8) & 0xf) | 5609 ((gp_status1 >> 12) & 0xf); 5610 link_up = gp_status1 & (1 << lane); 5611 if (link_up && SINGLE_MEDIA_DIRECT(params)) { 5612 u16 pd, gp_status4; 5613 if (phy->req_line_speed == SPEED_AUTO_NEG) { 5614 /* Check Autoneg complete */ 5615 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 5616 MDIO_WC_REG_GP2_STATUS_GP_2_4, 5617 &gp_status4); 5618 if (gp_status4 & ((1<<12)<<lane)) 5619 vars->link_status |= 5620 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE; 5621 5622 /* Check parallel detect used */ 5623 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 5624 MDIO_WC_REG_PAR_DET_10G_STATUS, 5625 &pd); 5626 if (pd & (1<<15)) 5627 vars->link_status |= 5628 LINK_STATUS_PARALLEL_DETECTION_USED; 5629 } 5630 bnx2x_ext_phy_resolve_fc(phy, params, vars); 5631 vars->duplex = duplex; 5632 } 5633 } 5634 5635 if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) && 5636 SINGLE_MEDIA_DIRECT(params)) { 5637 u16 val; 5638 5639 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, 5640 MDIO_AN_REG_LP_AUTO_NEG2, &val); 5641 5642 if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX) 5643 vars->link_status |= 5644 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE; 5645 if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 | 5646 MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR)) 5647 vars->link_status |= 5648 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE; 5649 5650 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 5651 MDIO_WC_REG_DIGITAL3_LP_UP1, &val); 5652 5653 if (val & MDIO_OVER_1G_UP1_2_5G) 5654 vars->link_status |= 5655 LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE; 5656 if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH)) 5657 vars->link_status |= 5658 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE; 5659 5660 } 5661 5662 5663 if (lane < 2) { 5664 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 5665 MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed); 5666 } else { 5667 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 5668 MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed); 5669 } 5670 DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed); 5671 5672 if ((lane & 1) == 0) 5673 gp_speed <<= 8; 5674 gp_speed &= 0x3f00; 5675 5676 5677 rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed, 5678 duplex); 5679 5680 DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n", 5681 vars->duplex, vars->flow_ctrl, vars->link_status); 5682 return rc; 5683 } 5684 static void bnx2x_set_gmii_tx_driver(struct link_params *params) 5685 { 5686 struct bnx2x *bp = params->bp; 5687 struct bnx2x_phy *phy = ¶ms->phy[INT_PHY]; 5688 u16 lp_up2; 5689 u16 tx_driver; 5690 u16 bank; 5691 5692 /* Read precomp */ 5693 CL22_RD_OVER_CL45(bp, phy, 5694 MDIO_REG_BANK_OVER_1G, 5695 MDIO_OVER_1G_LP_UP2, &lp_up2); 5696 5697 /* Bits [10:7] at lp_up2, positioned at [15:12] */ 5698 lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >> 5699 MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) << 5700 MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT); 5701 5702 if (lp_up2 == 0) 5703 return; 5704 5705 for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3; 5706 bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) { 5707 CL22_RD_OVER_CL45(bp, phy, 5708 bank, 5709 MDIO_TX0_TX_DRIVER, &tx_driver); 5710 5711 /* Replace tx_driver bits [15:12] */ 5712 if (lp_up2 != 5713 (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) { 5714 tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK; 5715 tx_driver |= lp_up2; 5716 CL22_WR_OVER_CL45(bp, phy, 5717 bank, 5718 MDIO_TX0_TX_DRIVER, tx_driver); 5719 } 5720 } 5721 } 5722 5723 static int bnx2x_emac_program(struct link_params *params, 5724 struct link_vars *vars) 5725 { 5726 struct bnx2x *bp = params->bp; 5727 u8 port = params->port; 5728 u16 mode = 0; 5729 5730 DP(NETIF_MSG_LINK, "setting link speed & duplex\n"); 5731 bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 + 5732 EMAC_REG_EMAC_MODE, 5733 (EMAC_MODE_25G_MODE | 5734 EMAC_MODE_PORT_MII_10M | 5735 EMAC_MODE_HALF_DUPLEX)); 5736 switch (vars->line_speed) { 5737 case SPEED_10: 5738 mode |= EMAC_MODE_PORT_MII_10M; 5739 break; 5740 5741 case SPEED_100: 5742 mode |= EMAC_MODE_PORT_MII; 5743 break; 5744 5745 case SPEED_1000: 5746 mode |= EMAC_MODE_PORT_GMII; 5747 break; 5748 5749 case SPEED_2500: 5750 mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII); 5751 break; 5752 5753 default: 5754 /* 10G not valid for EMAC */ 5755 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n", 5756 vars->line_speed); 5757 return -EINVAL; 5758 } 5759 5760 if (vars->duplex == DUPLEX_HALF) 5761 mode |= EMAC_MODE_HALF_DUPLEX; 5762 bnx2x_bits_en(bp, 5763 GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE, 5764 mode); 5765 5766 bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed); 5767 return 0; 5768 } 5769 5770 static void bnx2x_set_preemphasis(struct bnx2x_phy *phy, 5771 struct link_params *params) 5772 { 5773 5774 u16 bank, i = 0; 5775 struct bnx2x *bp = params->bp; 5776 5777 for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3; 5778 bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) { 5779 CL22_WR_OVER_CL45(bp, phy, 5780 bank, 5781 MDIO_RX0_RX_EQ_BOOST, 5782 phy->rx_preemphasis[i]); 5783 } 5784 5785 for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3; 5786 bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) { 5787 CL22_WR_OVER_CL45(bp, phy, 5788 bank, 5789 MDIO_TX0_TX_DRIVER, 5790 phy->tx_preemphasis[i]); 5791 } 5792 } 5793 5794 static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy, 5795 struct link_params *params, 5796 struct link_vars *vars) 5797 { 5798 struct bnx2x *bp = params->bp; 5799 u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) || 5800 (params->loopback_mode == LOOPBACK_XGXS)); 5801 if (!(vars->phy_flags & PHY_SGMII_FLAG)) { 5802 if (SINGLE_MEDIA_DIRECT(params) && 5803 (params->feature_config_flags & 5804 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) 5805 bnx2x_set_preemphasis(phy, params); 5806 5807 /* Forced speed requested? */ 5808 if (vars->line_speed != SPEED_AUTO_NEG || 5809 (SINGLE_MEDIA_DIRECT(params) && 5810 params->loopback_mode == LOOPBACK_EXT)) { 5811 DP(NETIF_MSG_LINK, "not SGMII, no AN\n"); 5812 5813 /* Disable autoneg */ 5814 bnx2x_set_autoneg(phy, params, vars, 0); 5815 5816 /* Program speed and duplex */ 5817 bnx2x_program_serdes(phy, params, vars); 5818 5819 } else { /* AN_mode */ 5820 DP(NETIF_MSG_LINK, "not SGMII, AN\n"); 5821 5822 /* AN enabled */ 5823 bnx2x_set_brcm_cl37_advertisement(phy, params); 5824 5825 /* Program duplex & pause advertisement (for aneg) */ 5826 bnx2x_set_ieee_aneg_advertisement(phy, params, 5827 vars->ieee_fc); 5828 5829 /* Enable autoneg */ 5830 bnx2x_set_autoneg(phy, params, vars, enable_cl73); 5831 5832 /* Enable and restart AN */ 5833 bnx2x_restart_autoneg(phy, params, enable_cl73); 5834 } 5835 5836 } else { /* SGMII mode */ 5837 DP(NETIF_MSG_LINK, "SGMII\n"); 5838 5839 bnx2x_initialize_sgmii_process(phy, params, vars); 5840 } 5841 } 5842 5843 static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy, 5844 struct link_params *params, 5845 struct link_vars *vars) 5846 { 5847 int rc; 5848 vars->phy_flags |= PHY_XGXS_FLAG; 5849 if ((phy->req_line_speed && 5850 ((phy->req_line_speed == SPEED_100) || 5851 (phy->req_line_speed == SPEED_10))) || 5852 (!phy->req_line_speed && 5853 (phy->speed_cap_mask >= 5854 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) && 5855 (phy->speed_cap_mask < 5856 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) || 5857 (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD)) 5858 vars->phy_flags |= PHY_SGMII_FLAG; 5859 else 5860 vars->phy_flags &= ~PHY_SGMII_FLAG; 5861 5862 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc); 5863 bnx2x_set_aer_mmd(params, phy); 5864 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) 5865 bnx2x_set_master_ln(params, phy); 5866 5867 rc = bnx2x_reset_unicore(params, phy, 0); 5868 /* Reset the SerDes and wait for reset bit return low */ 5869 if (rc) 5870 return rc; 5871 5872 bnx2x_set_aer_mmd(params, phy); 5873 /* Setting the masterLn_def again after the reset */ 5874 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) { 5875 bnx2x_set_master_ln(params, phy); 5876 bnx2x_set_swap_lanes(params, phy); 5877 } 5878 5879 return rc; 5880 } 5881 5882 static u16 bnx2x_wait_reset_complete(struct bnx2x *bp, 5883 struct bnx2x_phy *phy, 5884 struct link_params *params) 5885 { 5886 u16 cnt, ctrl; 5887 /* Wait for soft reset to get cleared up to 1 sec */ 5888 for (cnt = 0; cnt < 1000; cnt++) { 5889 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) 5890 bnx2x_cl22_read(bp, phy, 5891 MDIO_PMA_REG_CTRL, &ctrl); 5892 else 5893 bnx2x_cl45_read(bp, phy, 5894 MDIO_PMA_DEVAD, 5895 MDIO_PMA_REG_CTRL, &ctrl); 5896 if (!(ctrl & (1<<15))) 5897 break; 5898 usleep_range(1000, 2000); 5899 } 5900 5901 if (cnt == 1000) 5902 netdev_err(bp->dev, "Warning: PHY was not initialized," 5903 " Port %d\n", 5904 params->port); 5905 DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt); 5906 return cnt; 5907 } 5908 5909 static void bnx2x_link_int_enable(struct link_params *params) 5910 { 5911 u8 port = params->port; 5912 u32 mask; 5913 struct bnx2x *bp = params->bp; 5914 5915 /* Setting the status to report on link up for either XGXS or SerDes */ 5916 if (CHIP_IS_E3(bp)) { 5917 mask = NIG_MASK_XGXS0_LINK_STATUS; 5918 if (!(SINGLE_MEDIA_DIRECT(params))) 5919 mask |= NIG_MASK_MI_INT; 5920 } else if (params->switch_cfg == SWITCH_CFG_10G) { 5921 mask = (NIG_MASK_XGXS0_LINK10G | 5922 NIG_MASK_XGXS0_LINK_STATUS); 5923 DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n"); 5924 if (!(SINGLE_MEDIA_DIRECT(params)) && 5925 params->phy[INT_PHY].type != 5926 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) { 5927 mask |= NIG_MASK_MI_INT; 5928 DP(NETIF_MSG_LINK, "enabled external phy int\n"); 5929 } 5930 5931 } else { /* SerDes */ 5932 mask = NIG_MASK_SERDES0_LINK_STATUS; 5933 DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n"); 5934 if (!(SINGLE_MEDIA_DIRECT(params)) && 5935 params->phy[INT_PHY].type != 5936 PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) { 5937 mask |= NIG_MASK_MI_INT; 5938 DP(NETIF_MSG_LINK, "enabled external phy int\n"); 5939 } 5940 } 5941 bnx2x_bits_en(bp, 5942 NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 5943 mask); 5944 5945 DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port, 5946 (params->switch_cfg == SWITCH_CFG_10G), 5947 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4)); 5948 DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n", 5949 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4), 5950 REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18), 5951 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c)); 5952 DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n", 5953 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68), 5954 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68)); 5955 } 5956 5957 static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port, 5958 u8 exp_mi_int) 5959 { 5960 u32 latch_status = 0; 5961 5962 /* Disable the MI INT ( external phy int ) by writing 1 to the 5963 * status register. Link down indication is high-active-signal, 5964 * so in this case we need to write the status to clear the XOR 5965 */ 5966 /* Read Latched signals */ 5967 latch_status = REG_RD(bp, 5968 NIG_REG_LATCH_STATUS_0 + port*8); 5969 DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status); 5970 /* Handle only those with latched-signal=up.*/ 5971 if (exp_mi_int) 5972 bnx2x_bits_en(bp, 5973 NIG_REG_STATUS_INTERRUPT_PORT0 5974 + port*4, 5975 NIG_STATUS_EMAC0_MI_INT); 5976 else 5977 bnx2x_bits_dis(bp, 5978 NIG_REG_STATUS_INTERRUPT_PORT0 5979 + port*4, 5980 NIG_STATUS_EMAC0_MI_INT); 5981 5982 if (latch_status & 1) { 5983 5984 /* For all latched-signal=up : Re-Arm Latch signals */ 5985 REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8, 5986 (latch_status & 0xfffe) | (latch_status & 1)); 5987 } 5988 /* For all latched-signal=up,Write original_signal to status */ 5989 } 5990 5991 static void bnx2x_link_int_ack(struct link_params *params, 5992 struct link_vars *vars, u8 is_10g_plus) 5993 { 5994 struct bnx2x *bp = params->bp; 5995 u8 port = params->port; 5996 u32 mask; 5997 /* First reset all status we assume only one line will be 5998 * change at a time 5999 */ 6000 bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4, 6001 (NIG_STATUS_XGXS0_LINK10G | 6002 NIG_STATUS_XGXS0_LINK_STATUS | 6003 NIG_STATUS_SERDES0_LINK_STATUS)); 6004 if (vars->phy_link_up) { 6005 if (USES_WARPCORE(bp)) 6006 mask = NIG_STATUS_XGXS0_LINK_STATUS; 6007 else { 6008 if (is_10g_plus) 6009 mask = NIG_STATUS_XGXS0_LINK10G; 6010 else if (params->switch_cfg == SWITCH_CFG_10G) { 6011 /* Disable the link interrupt by writing 1 to 6012 * the relevant lane in the status register 6013 */ 6014 u32 ser_lane = 6015 ((params->lane_config & 6016 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >> 6017 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT); 6018 mask = ((1 << ser_lane) << 6019 NIG_STATUS_XGXS0_LINK_STATUS_SIZE); 6020 } else 6021 mask = NIG_STATUS_SERDES0_LINK_STATUS; 6022 } 6023 DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n", 6024 mask); 6025 bnx2x_bits_en(bp, 6026 NIG_REG_STATUS_INTERRUPT_PORT0 + port*4, 6027 mask); 6028 } 6029 } 6030 6031 static int bnx2x_format_ver(u32 num, u8 *str, u16 *len) 6032 { 6033 u8 *str_ptr = str; 6034 u32 mask = 0xf0000000; 6035 u8 shift = 8*4; 6036 u8 digit; 6037 u8 remove_leading_zeros = 1; 6038 if (*len < 10) { 6039 /* Need more than 10chars for this format */ 6040 *str_ptr = '\0'; 6041 (*len)--; 6042 return -EINVAL; 6043 } 6044 while (shift > 0) { 6045 6046 shift -= 4; 6047 digit = ((num & mask) >> shift); 6048 if (digit == 0 && remove_leading_zeros) { 6049 mask = mask >> 4; 6050 continue; 6051 } else if (digit < 0xa) 6052 *str_ptr = digit + '0'; 6053 else 6054 *str_ptr = digit - 0xa + 'a'; 6055 remove_leading_zeros = 0; 6056 str_ptr++; 6057 (*len)--; 6058 mask = mask >> 4; 6059 if (shift == 4*4) { 6060 *str_ptr = '.'; 6061 str_ptr++; 6062 (*len)--; 6063 remove_leading_zeros = 1; 6064 } 6065 } 6066 return 0; 6067 } 6068 6069 6070 static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len) 6071 { 6072 str[0] = '\0'; 6073 (*len)--; 6074 return 0; 6075 } 6076 6077 int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 *version, 6078 u16 len) 6079 { 6080 struct bnx2x *bp; 6081 u32 spirom_ver = 0; 6082 int status = 0; 6083 u8 *ver_p = version; 6084 u16 remain_len = len; 6085 if (version == NULL || params == NULL) 6086 return -EINVAL; 6087 bp = params->bp; 6088 6089 /* Extract first external phy*/ 6090 version[0] = '\0'; 6091 spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr); 6092 6093 if (params->phy[EXT_PHY1].format_fw_ver) { 6094 status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver, 6095 ver_p, 6096 &remain_len); 6097 ver_p += (len - remain_len); 6098 } 6099 if ((params->num_phys == MAX_PHYS) && 6100 (params->phy[EXT_PHY2].ver_addr != 0)) { 6101 spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr); 6102 if (params->phy[EXT_PHY2].format_fw_ver) { 6103 *ver_p = '/'; 6104 ver_p++; 6105 remain_len--; 6106 status |= params->phy[EXT_PHY2].format_fw_ver( 6107 spirom_ver, 6108 ver_p, 6109 &remain_len); 6110 ver_p = version + (len - remain_len); 6111 } 6112 } 6113 *ver_p = '\0'; 6114 return status; 6115 } 6116 6117 static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy, 6118 struct link_params *params) 6119 { 6120 u8 port = params->port; 6121 struct bnx2x *bp = params->bp; 6122 6123 if (phy->req_line_speed != SPEED_1000) { 6124 u32 md_devad = 0; 6125 6126 DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n"); 6127 6128 if (!CHIP_IS_E3(bp)) { 6129 /* Change the uni_phy_addr in the nig */ 6130 md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD + 6131 port*0x18)); 6132 6133 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18, 6134 0x5); 6135 } 6136 6137 bnx2x_cl45_write(bp, phy, 6138 5, 6139 (MDIO_REG_BANK_AER_BLOCK + 6140 (MDIO_AER_BLOCK_AER_REG & 0xf)), 6141 0x2800); 6142 6143 bnx2x_cl45_write(bp, phy, 6144 5, 6145 (MDIO_REG_BANK_CL73_IEEEB0 + 6146 (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)), 6147 0x6041); 6148 msleep(200); 6149 /* Set aer mmd back */ 6150 bnx2x_set_aer_mmd(params, phy); 6151 6152 if (!CHIP_IS_E3(bp)) { 6153 /* And md_devad */ 6154 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18, 6155 md_devad); 6156 } 6157 } else { 6158 u16 mii_ctrl; 6159 DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n"); 6160 bnx2x_cl45_read(bp, phy, 5, 6161 (MDIO_REG_BANK_COMBO_IEEE0 + 6162 (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)), 6163 &mii_ctrl); 6164 bnx2x_cl45_write(bp, phy, 5, 6165 (MDIO_REG_BANK_COMBO_IEEE0 + 6166 (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)), 6167 mii_ctrl | 6168 MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK); 6169 } 6170 } 6171 6172 int bnx2x_set_led(struct link_params *params, 6173 struct link_vars *vars, u8 mode, u32 speed) 6174 { 6175 u8 port = params->port; 6176 u16 hw_led_mode = params->hw_led_mode; 6177 int rc = 0; 6178 u8 phy_idx; 6179 u32 tmp; 6180 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0; 6181 struct bnx2x *bp = params->bp; 6182 DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode); 6183 DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n", 6184 speed, hw_led_mode); 6185 /* In case */ 6186 for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) { 6187 if (params->phy[phy_idx].set_link_led) { 6188 params->phy[phy_idx].set_link_led( 6189 ¶ms->phy[phy_idx], params, mode); 6190 } 6191 } 6192 6193 switch (mode) { 6194 case LED_MODE_FRONT_PANEL_OFF: 6195 case LED_MODE_OFF: 6196 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0); 6197 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 6198 SHARED_HW_CFG_LED_MAC1); 6199 6200 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED); 6201 if (params->phy[EXT_PHY1].type == 6202 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) 6203 tmp &= ~(EMAC_LED_1000MB_OVERRIDE | 6204 EMAC_LED_100MB_OVERRIDE | 6205 EMAC_LED_10MB_OVERRIDE); 6206 else 6207 tmp |= EMAC_LED_OVERRIDE; 6208 6209 EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp); 6210 break; 6211 6212 case LED_MODE_OPER: 6213 /* For all other phys, OPER mode is same as ON, so in case 6214 * link is down, do nothing 6215 */ 6216 if (!vars->link_up) 6217 break; 6218 case LED_MODE_ON: 6219 if (((params->phy[EXT_PHY1].type == 6220 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) || 6221 (params->phy[EXT_PHY1].type == 6222 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) && 6223 CHIP_IS_E2(bp) && params->num_phys == 2) { 6224 /* This is a work-around for E2+8727 Configurations */ 6225 if (mode == LED_MODE_ON || 6226 speed == SPEED_10000){ 6227 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0); 6228 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1); 6229 6230 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED); 6231 EMAC_WR(bp, EMAC_REG_EMAC_LED, 6232 (tmp | EMAC_LED_OVERRIDE)); 6233 /* Return here without enabling traffic 6234 * LED blink and setting rate in ON mode. 6235 * In oper mode, enabling LED blink 6236 * and setting rate is needed. 6237 */ 6238 if (mode == LED_MODE_ON) 6239 return rc; 6240 } 6241 } else if (SINGLE_MEDIA_DIRECT(params)) { 6242 /* This is a work-around for HW issue found when link 6243 * is up in CL73 6244 */ 6245 if ((!CHIP_IS_E3(bp)) || 6246 (CHIP_IS_E3(bp) && 6247 mode == LED_MODE_ON)) 6248 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1); 6249 6250 if (CHIP_IS_E1x(bp) || 6251 CHIP_IS_E2(bp) || 6252 (mode == LED_MODE_ON)) 6253 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0); 6254 else 6255 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 6256 hw_led_mode); 6257 } else if ((params->phy[EXT_PHY1].type == 6258 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) && 6259 (mode == LED_MODE_ON)) { 6260 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0); 6261 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED); 6262 EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp | 6263 EMAC_LED_OVERRIDE | EMAC_LED_1000MB_OVERRIDE); 6264 /* Break here; otherwise, it'll disable the 6265 * intended override. 6266 */ 6267 break; 6268 } else 6269 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 6270 hw_led_mode); 6271 6272 REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0); 6273 /* Set blinking rate to ~15.9Hz */ 6274 if (CHIP_IS_E3(bp)) 6275 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4, 6276 LED_BLINK_RATE_VAL_E3); 6277 else 6278 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4, 6279 LED_BLINK_RATE_VAL_E1X_E2); 6280 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 + 6281 port*4, 1); 6282 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED); 6283 EMAC_WR(bp, EMAC_REG_EMAC_LED, 6284 (tmp & (~EMAC_LED_OVERRIDE))); 6285 6286 if (CHIP_IS_E1(bp) && 6287 ((speed == SPEED_2500) || 6288 (speed == SPEED_1000) || 6289 (speed == SPEED_100) || 6290 (speed == SPEED_10))) { 6291 /* For speeds less than 10G LED scheme is different */ 6292 REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 6293 + port*4, 1); 6294 REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 + 6295 port*4, 0); 6296 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 + 6297 port*4, 1); 6298 } 6299 break; 6300 6301 default: 6302 rc = -EINVAL; 6303 DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n", 6304 mode); 6305 break; 6306 } 6307 return rc; 6308 6309 } 6310 6311 /* This function comes to reflect the actual link state read DIRECTLY from the 6312 * HW 6313 */ 6314 int bnx2x_test_link(struct link_params *params, struct link_vars *vars, 6315 u8 is_serdes) 6316 { 6317 struct bnx2x *bp = params->bp; 6318 u16 gp_status = 0, phy_index = 0; 6319 u8 ext_phy_link_up = 0, serdes_phy_type; 6320 struct link_vars temp_vars; 6321 struct bnx2x_phy *int_phy = ¶ms->phy[INT_PHY]; 6322 6323 if (CHIP_IS_E3(bp)) { 6324 u16 link_up; 6325 if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)] 6326 > SPEED_10000) { 6327 /* Check 20G link */ 6328 bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD, 6329 1, &link_up); 6330 bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD, 6331 1, &link_up); 6332 link_up &= (1<<2); 6333 } else { 6334 /* Check 10G link and below*/ 6335 u8 lane = bnx2x_get_warpcore_lane(int_phy, params); 6336 bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD, 6337 MDIO_WC_REG_GP2_STATUS_GP_2_1, 6338 &gp_status); 6339 gp_status = ((gp_status >> 8) & 0xf) | 6340 ((gp_status >> 12) & 0xf); 6341 link_up = gp_status & (1 << lane); 6342 } 6343 if (!link_up) 6344 return -ESRCH; 6345 } else { 6346 CL22_RD_OVER_CL45(bp, int_phy, 6347 MDIO_REG_BANK_GP_STATUS, 6348 MDIO_GP_STATUS_TOP_AN_STATUS1, 6349 &gp_status); 6350 /* Link is up only if both local phy and external phy are up */ 6351 if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)) 6352 return -ESRCH; 6353 } 6354 /* In XGXS loopback mode, do not check external PHY */ 6355 if (params->loopback_mode == LOOPBACK_XGXS) 6356 return 0; 6357 6358 switch (params->num_phys) { 6359 case 1: 6360 /* No external PHY */ 6361 return 0; 6362 case 2: 6363 ext_phy_link_up = params->phy[EXT_PHY1].read_status( 6364 ¶ms->phy[EXT_PHY1], 6365 params, &temp_vars); 6366 break; 6367 case 3: /* Dual Media */ 6368 for (phy_index = EXT_PHY1; phy_index < params->num_phys; 6369 phy_index++) { 6370 serdes_phy_type = ((params->phy[phy_index].media_type == 6371 ETH_PHY_SFPP_10G_FIBER) || 6372 (params->phy[phy_index].media_type == 6373 ETH_PHY_SFP_1G_FIBER) || 6374 (params->phy[phy_index].media_type == 6375 ETH_PHY_XFP_FIBER) || 6376 (params->phy[phy_index].media_type == 6377 ETH_PHY_DA_TWINAX)); 6378 6379 if (is_serdes != serdes_phy_type) 6380 continue; 6381 if (params->phy[phy_index].read_status) { 6382 ext_phy_link_up |= 6383 params->phy[phy_index].read_status( 6384 ¶ms->phy[phy_index], 6385 params, &temp_vars); 6386 } 6387 } 6388 break; 6389 } 6390 if (ext_phy_link_up) 6391 return 0; 6392 return -ESRCH; 6393 } 6394 6395 static int bnx2x_link_initialize(struct link_params *params, 6396 struct link_vars *vars) 6397 { 6398 int rc = 0; 6399 u8 phy_index, non_ext_phy; 6400 struct bnx2x *bp = params->bp; 6401 /* In case of external phy existence, the line speed would be the 6402 * line speed linked up by the external phy. In case it is direct 6403 * only, then the line_speed during initialization will be 6404 * equal to the req_line_speed 6405 */ 6406 vars->line_speed = params->phy[INT_PHY].req_line_speed; 6407 6408 /* Initialize the internal phy in case this is a direct board 6409 * (no external phys), or this board has external phy which requires 6410 * to first. 6411 */ 6412 if (!USES_WARPCORE(bp)) 6413 bnx2x_prepare_xgxs(¶ms->phy[INT_PHY], params, vars); 6414 /* init ext phy and enable link state int */ 6415 non_ext_phy = (SINGLE_MEDIA_DIRECT(params) || 6416 (params->loopback_mode == LOOPBACK_XGXS)); 6417 6418 if (non_ext_phy || 6419 (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) || 6420 (params->loopback_mode == LOOPBACK_EXT_PHY)) { 6421 struct bnx2x_phy *phy = ¶ms->phy[INT_PHY]; 6422 if (vars->line_speed == SPEED_AUTO_NEG && 6423 (CHIP_IS_E1x(bp) || 6424 CHIP_IS_E2(bp))) 6425 bnx2x_set_parallel_detection(phy, params); 6426 if (params->phy[INT_PHY].config_init) 6427 params->phy[INT_PHY].config_init(phy, 6428 params, 6429 vars); 6430 } 6431 6432 /* Init external phy*/ 6433 if (non_ext_phy) { 6434 if (params->phy[INT_PHY].supported & 6435 SUPPORTED_FIBRE) 6436 vars->link_status |= LINK_STATUS_SERDES_LINK; 6437 } else { 6438 for (phy_index = EXT_PHY1; phy_index < params->num_phys; 6439 phy_index++) { 6440 /* No need to initialize second phy in case of first 6441 * phy only selection. In case of second phy, we do 6442 * need to initialize the first phy, since they are 6443 * connected. 6444 */ 6445 if (params->phy[phy_index].supported & 6446 SUPPORTED_FIBRE) 6447 vars->link_status |= LINK_STATUS_SERDES_LINK; 6448 6449 if (phy_index == EXT_PHY2 && 6450 (bnx2x_phy_selection(params) == 6451 PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) { 6452 DP(NETIF_MSG_LINK, 6453 "Not initializing second phy\n"); 6454 continue; 6455 } 6456 params->phy[phy_index].config_init( 6457 ¶ms->phy[phy_index], 6458 params, vars); 6459 } 6460 } 6461 /* Reset the interrupt indication after phy was initialized */ 6462 bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + 6463 params->port*4, 6464 (NIG_STATUS_XGXS0_LINK10G | 6465 NIG_STATUS_XGXS0_LINK_STATUS | 6466 NIG_STATUS_SERDES0_LINK_STATUS | 6467 NIG_MASK_MI_INT)); 6468 return rc; 6469 } 6470 6471 static void bnx2x_int_link_reset(struct bnx2x_phy *phy, 6472 struct link_params *params) 6473 { 6474 /* Reset the SerDes/XGXS */ 6475 REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, 6476 (0x1ff << (params->port*16))); 6477 } 6478 6479 static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy, 6480 struct link_params *params) 6481 { 6482 struct bnx2x *bp = params->bp; 6483 u8 gpio_port; 6484 /* HW reset */ 6485 if (CHIP_IS_E2(bp)) 6486 gpio_port = BP_PATH(bp); 6487 else 6488 gpio_port = params->port; 6489 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1, 6490 MISC_REGISTERS_GPIO_OUTPUT_LOW, 6491 gpio_port); 6492 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, 6493 MISC_REGISTERS_GPIO_OUTPUT_LOW, 6494 gpio_port); 6495 DP(NETIF_MSG_LINK, "reset external PHY\n"); 6496 } 6497 6498 static int bnx2x_update_link_down(struct link_params *params, 6499 struct link_vars *vars) 6500 { 6501 struct bnx2x *bp = params->bp; 6502 u8 port = params->port; 6503 6504 DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port); 6505 bnx2x_set_led(params, vars, LED_MODE_OFF, 0); 6506 vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG; 6507 /* Indicate no mac active */ 6508 vars->mac_type = MAC_TYPE_NONE; 6509 6510 /* Update shared memory */ 6511 vars->link_status &= ~(LINK_STATUS_SPEED_AND_DUPLEX_MASK | 6512 LINK_STATUS_LINK_UP | 6513 LINK_STATUS_PHYSICAL_LINK_FLAG | 6514 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE | 6515 LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK | 6516 LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK | 6517 LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK | 6518 LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE | 6519 LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE); 6520 vars->line_speed = 0; 6521 bnx2x_update_mng(params, vars->link_status); 6522 6523 /* Activate nig drain */ 6524 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1); 6525 6526 /* Disable emac */ 6527 if (!CHIP_IS_E3(bp)) 6528 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0); 6529 6530 usleep_range(10000, 20000); 6531 /* Reset BigMac/Xmac */ 6532 if (CHIP_IS_E1x(bp) || 6533 CHIP_IS_E2(bp)) { 6534 bnx2x_bmac_rx_disable(bp, params->port); 6535 REG_WR(bp, GRCBASE_MISC + 6536 MISC_REGISTERS_RESET_REG_2_CLEAR, 6537 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port)); 6538 } 6539 if (CHIP_IS_E3(bp)) { 6540 /* Prevent LPI Generation by chip */ 6541 REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2), 6542 0); 6543 REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 0); 6544 REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 + (params->port << 2), 6545 0); 6546 vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK | 6547 SHMEM_EEE_ACTIVE_BIT); 6548 6549 bnx2x_update_mng_eee(params, vars->eee_status); 6550 bnx2x_xmac_disable(params); 6551 bnx2x_umac_disable(params); 6552 } 6553 6554 return 0; 6555 } 6556 6557 static int bnx2x_update_link_up(struct link_params *params, 6558 struct link_vars *vars, 6559 u8 link_10g) 6560 { 6561 struct bnx2x *bp = params->bp; 6562 u8 phy_idx, port = params->port; 6563 int rc = 0; 6564 6565 vars->link_status |= (LINK_STATUS_LINK_UP | 6566 LINK_STATUS_PHYSICAL_LINK_FLAG); 6567 vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG; 6568 6569 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) 6570 vars->link_status |= 6571 LINK_STATUS_TX_FLOW_CONTROL_ENABLED; 6572 6573 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX) 6574 vars->link_status |= 6575 LINK_STATUS_RX_FLOW_CONTROL_ENABLED; 6576 if (USES_WARPCORE(bp)) { 6577 if (link_10g) { 6578 if (bnx2x_xmac_enable(params, vars, 0) == 6579 -ESRCH) { 6580 DP(NETIF_MSG_LINK, "Found errors on XMAC\n"); 6581 vars->link_up = 0; 6582 vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG; 6583 vars->link_status &= ~LINK_STATUS_LINK_UP; 6584 } 6585 } else 6586 bnx2x_umac_enable(params, vars, 0); 6587 bnx2x_set_led(params, vars, 6588 LED_MODE_OPER, vars->line_speed); 6589 6590 if ((vars->eee_status & SHMEM_EEE_ACTIVE_BIT) && 6591 (vars->eee_status & SHMEM_EEE_LPI_REQUESTED_BIT)) { 6592 DP(NETIF_MSG_LINK, "Enabling LPI assertion\n"); 6593 REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + 6594 (params->port << 2), 1); 6595 REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 1); 6596 REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 + 6597 (params->port << 2), 0xfc20); 6598 } 6599 } 6600 if ((CHIP_IS_E1x(bp) || 6601 CHIP_IS_E2(bp))) { 6602 if (link_10g) { 6603 if (bnx2x_bmac_enable(params, vars, 0) == 6604 -ESRCH) { 6605 DP(NETIF_MSG_LINK, "Found errors on BMAC\n"); 6606 vars->link_up = 0; 6607 vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG; 6608 vars->link_status &= ~LINK_STATUS_LINK_UP; 6609 } 6610 6611 bnx2x_set_led(params, vars, 6612 LED_MODE_OPER, SPEED_10000); 6613 } else { 6614 rc = bnx2x_emac_program(params, vars); 6615 bnx2x_emac_enable(params, vars, 0); 6616 6617 /* AN complete? */ 6618 if ((vars->link_status & 6619 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) 6620 && (!(vars->phy_flags & PHY_SGMII_FLAG)) && 6621 SINGLE_MEDIA_DIRECT(params)) 6622 bnx2x_set_gmii_tx_driver(params); 6623 } 6624 } 6625 6626 /* PBF - link up */ 6627 if (CHIP_IS_E1x(bp)) 6628 rc |= bnx2x_pbf_update(params, vars->flow_ctrl, 6629 vars->line_speed); 6630 6631 /* Disable drain */ 6632 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0); 6633 6634 /* Update shared memory */ 6635 bnx2x_update_mng(params, vars->link_status); 6636 bnx2x_update_mng_eee(params, vars->eee_status); 6637 /* Check remote fault */ 6638 for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) { 6639 if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) { 6640 bnx2x_check_half_open_conn(params, vars, 0); 6641 break; 6642 } 6643 } 6644 msleep(20); 6645 return rc; 6646 } 6647 /* The bnx2x_link_update function should be called upon link 6648 * interrupt. 6649 * Link is considered up as follows: 6650 * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs 6651 * to be up 6652 * - SINGLE_MEDIA - The link between the 577xx and the external 6653 * phy (XGXS) need to up as well as the external link of the 6654 * phy (PHY_EXT1) 6655 * - DUAL_MEDIA - The link between the 577xx and the first 6656 * external phy needs to be up, and at least one of the 2 6657 * external phy link must be up. 6658 */ 6659 int bnx2x_link_update(struct link_params *params, struct link_vars *vars) 6660 { 6661 struct bnx2x *bp = params->bp; 6662 struct link_vars phy_vars[MAX_PHYS]; 6663 u8 port = params->port; 6664 u8 link_10g_plus, phy_index; 6665 u8 ext_phy_link_up = 0, cur_link_up; 6666 int rc = 0; 6667 u8 is_mi_int = 0; 6668 u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed; 6669 u8 active_external_phy = INT_PHY; 6670 vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG; 6671 for (phy_index = INT_PHY; phy_index < params->num_phys; 6672 phy_index++) { 6673 phy_vars[phy_index].flow_ctrl = 0; 6674 phy_vars[phy_index].link_status = 0; 6675 phy_vars[phy_index].line_speed = 0; 6676 phy_vars[phy_index].duplex = DUPLEX_FULL; 6677 phy_vars[phy_index].phy_link_up = 0; 6678 phy_vars[phy_index].link_up = 0; 6679 phy_vars[phy_index].fault_detected = 0; 6680 /* different consideration, since vars holds inner state */ 6681 phy_vars[phy_index].eee_status = vars->eee_status; 6682 } 6683 6684 if (USES_WARPCORE(bp)) 6685 bnx2x_set_aer_mmd(params, ¶ms->phy[INT_PHY]); 6686 6687 DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n", 6688 port, (vars->phy_flags & PHY_XGXS_FLAG), 6689 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4)); 6690 6691 is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + 6692 port*0x18) > 0); 6693 DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n", 6694 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4), 6695 is_mi_int, 6696 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c)); 6697 6698 DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n", 6699 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68), 6700 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68)); 6701 6702 /* Disable emac */ 6703 if (!CHIP_IS_E3(bp)) 6704 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0); 6705 6706 /* Step 1: 6707 * Check external link change only for external phys, and apply 6708 * priority selection between them in case the link on both phys 6709 * is up. Note that instead of the common vars, a temporary 6710 * vars argument is used since each phy may have different link/ 6711 * speed/duplex result 6712 */ 6713 for (phy_index = EXT_PHY1; phy_index < params->num_phys; 6714 phy_index++) { 6715 struct bnx2x_phy *phy = ¶ms->phy[phy_index]; 6716 if (!phy->read_status) 6717 continue; 6718 /* Read link status and params of this ext phy */ 6719 cur_link_up = phy->read_status(phy, params, 6720 &phy_vars[phy_index]); 6721 if (cur_link_up) { 6722 DP(NETIF_MSG_LINK, "phy in index %d link is up\n", 6723 phy_index); 6724 } else { 6725 DP(NETIF_MSG_LINK, "phy in index %d link is down\n", 6726 phy_index); 6727 continue; 6728 } 6729 6730 if (!ext_phy_link_up) { 6731 ext_phy_link_up = 1; 6732 active_external_phy = phy_index; 6733 } else { 6734 switch (bnx2x_phy_selection(params)) { 6735 case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT: 6736 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY: 6737 /* In this option, the first PHY makes sure to pass the 6738 * traffic through itself only. 6739 * Its not clear how to reset the link on the second phy 6740 */ 6741 active_external_phy = EXT_PHY1; 6742 break; 6743 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY: 6744 /* In this option, the first PHY makes sure to pass the 6745 * traffic through the second PHY. 6746 */ 6747 active_external_phy = EXT_PHY2; 6748 break; 6749 default: 6750 /* Link indication on both PHYs with the following cases 6751 * is invalid: 6752 * - FIRST_PHY means that second phy wasn't initialized, 6753 * hence its link is expected to be down 6754 * - SECOND_PHY means that first phy should not be able 6755 * to link up by itself (using configuration) 6756 * - DEFAULT should be overriden during initialiazation 6757 */ 6758 DP(NETIF_MSG_LINK, "Invalid link indication" 6759 "mpc=0x%x. DISABLING LINK !!!\n", 6760 params->multi_phy_config); 6761 ext_phy_link_up = 0; 6762 break; 6763 } 6764 } 6765 } 6766 prev_line_speed = vars->line_speed; 6767 /* Step 2: 6768 * Read the status of the internal phy. In case of 6769 * DIRECT_SINGLE_MEDIA board, this link is the external link, 6770 * otherwise this is the link between the 577xx and the first 6771 * external phy 6772 */ 6773 if (params->phy[INT_PHY].read_status) 6774 params->phy[INT_PHY].read_status( 6775 ¶ms->phy[INT_PHY], 6776 params, vars); 6777 /* The INT_PHY flow control reside in the vars. This include the 6778 * case where the speed or flow control are not set to AUTO. 6779 * Otherwise, the active external phy flow control result is set 6780 * to the vars. The ext_phy_line_speed is needed to check if the 6781 * speed is different between the internal phy and external phy. 6782 * This case may be result of intermediate link speed change. 6783 */ 6784 if (active_external_phy > INT_PHY) { 6785 vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl; 6786 /* Link speed is taken from the XGXS. AN and FC result from 6787 * the external phy. 6788 */ 6789 vars->link_status |= phy_vars[active_external_phy].link_status; 6790 6791 /* if active_external_phy is first PHY and link is up - disable 6792 * disable TX on second external PHY 6793 */ 6794 if (active_external_phy == EXT_PHY1) { 6795 if (params->phy[EXT_PHY2].phy_specific_func) { 6796 DP(NETIF_MSG_LINK, 6797 "Disabling TX on EXT_PHY2\n"); 6798 params->phy[EXT_PHY2].phy_specific_func( 6799 ¶ms->phy[EXT_PHY2], 6800 params, DISABLE_TX); 6801 } 6802 } 6803 6804 ext_phy_line_speed = phy_vars[active_external_phy].line_speed; 6805 vars->duplex = phy_vars[active_external_phy].duplex; 6806 if (params->phy[active_external_phy].supported & 6807 SUPPORTED_FIBRE) 6808 vars->link_status |= LINK_STATUS_SERDES_LINK; 6809 else 6810 vars->link_status &= ~LINK_STATUS_SERDES_LINK; 6811 6812 vars->eee_status = phy_vars[active_external_phy].eee_status; 6813 6814 DP(NETIF_MSG_LINK, "Active external phy selected: %x\n", 6815 active_external_phy); 6816 } 6817 6818 for (phy_index = EXT_PHY1; phy_index < params->num_phys; 6819 phy_index++) { 6820 if (params->phy[phy_index].flags & 6821 FLAGS_REARM_LATCH_SIGNAL) { 6822 bnx2x_rearm_latch_signal(bp, port, 6823 phy_index == 6824 active_external_phy); 6825 break; 6826 } 6827 } 6828 DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x," 6829 " ext_phy_line_speed = %d\n", vars->flow_ctrl, 6830 vars->link_status, ext_phy_line_speed); 6831 /* Upon link speed change set the NIG into drain mode. Comes to 6832 * deals with possible FIFO glitch due to clk change when speed 6833 * is decreased without link down indicator 6834 */ 6835 6836 if (vars->phy_link_up) { 6837 if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up && 6838 (ext_phy_line_speed != vars->line_speed)) { 6839 DP(NETIF_MSG_LINK, "Internal link speed %d is" 6840 " different than the external" 6841 " link speed %d\n", vars->line_speed, 6842 ext_phy_line_speed); 6843 vars->phy_link_up = 0; 6844 } else if (prev_line_speed != vars->line_speed) { 6845 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 6846 0); 6847 usleep_range(1000, 2000); 6848 } 6849 } 6850 6851 /* Anything 10 and over uses the bmac */ 6852 link_10g_plus = (vars->line_speed >= SPEED_10000); 6853 6854 bnx2x_link_int_ack(params, vars, link_10g_plus); 6855 6856 /* In case external phy link is up, and internal link is down 6857 * (not initialized yet probably after link initialization, it 6858 * needs to be initialized. 6859 * Note that after link down-up as result of cable plug, the xgxs 6860 * link would probably become up again without the need 6861 * initialize it 6862 */ 6863 if (!(SINGLE_MEDIA_DIRECT(params))) { 6864 DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d," 6865 " init_preceding = %d\n", ext_phy_link_up, 6866 vars->phy_link_up, 6867 params->phy[EXT_PHY1].flags & 6868 FLAGS_INIT_XGXS_FIRST); 6869 if (!(params->phy[EXT_PHY1].flags & 6870 FLAGS_INIT_XGXS_FIRST) 6871 && ext_phy_link_up && !vars->phy_link_up) { 6872 vars->line_speed = ext_phy_line_speed; 6873 if (vars->line_speed < SPEED_1000) 6874 vars->phy_flags |= PHY_SGMII_FLAG; 6875 else 6876 vars->phy_flags &= ~PHY_SGMII_FLAG; 6877 6878 if (params->phy[INT_PHY].config_init) 6879 params->phy[INT_PHY].config_init( 6880 ¶ms->phy[INT_PHY], params, 6881 vars); 6882 } 6883 } 6884 /* Link is up only if both local phy and external phy (in case of 6885 * non-direct board) are up and no fault detected on active PHY. 6886 */ 6887 vars->link_up = (vars->phy_link_up && 6888 (ext_phy_link_up || 6889 SINGLE_MEDIA_DIRECT(params)) && 6890 (phy_vars[active_external_phy].fault_detected == 0)); 6891 6892 /* Update the PFC configuration in case it was changed */ 6893 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) 6894 vars->link_status |= LINK_STATUS_PFC_ENABLED; 6895 else 6896 vars->link_status &= ~LINK_STATUS_PFC_ENABLED; 6897 6898 if (vars->link_up) 6899 rc = bnx2x_update_link_up(params, vars, link_10g_plus); 6900 else 6901 rc = bnx2x_update_link_down(params, vars); 6902 6903 /* Update MCP link status was changed */ 6904 if (params->feature_config_flags & FEATURE_CONFIG_BC_SUPPORTS_AFEX) 6905 bnx2x_fw_command(bp, DRV_MSG_CODE_LINK_STATUS_CHANGED, 0); 6906 6907 return rc; 6908 } 6909 6910 /*****************************************************************************/ 6911 /* External Phy section */ 6912 /*****************************************************************************/ 6913 void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port) 6914 { 6915 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1, 6916 MISC_REGISTERS_GPIO_OUTPUT_LOW, port); 6917 usleep_range(1000, 2000); 6918 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1, 6919 MISC_REGISTERS_GPIO_OUTPUT_HIGH, port); 6920 } 6921 6922 static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port, 6923 u32 spirom_ver, u32 ver_addr) 6924 { 6925 DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n", 6926 (u16)(spirom_ver>>16), (u16)spirom_ver, port); 6927 6928 if (ver_addr) 6929 REG_WR(bp, ver_addr, spirom_ver); 6930 } 6931 6932 static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp, 6933 struct bnx2x_phy *phy, 6934 u8 port) 6935 { 6936 u16 fw_ver1, fw_ver2; 6937 6938 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 6939 MDIO_PMA_REG_ROM_VER1, &fw_ver1); 6940 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 6941 MDIO_PMA_REG_ROM_VER2, &fw_ver2); 6942 bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2), 6943 phy->ver_addr); 6944 } 6945 6946 static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp, 6947 struct bnx2x_phy *phy, 6948 struct link_vars *vars) 6949 { 6950 u16 val; 6951 bnx2x_cl45_read(bp, phy, 6952 MDIO_AN_DEVAD, 6953 MDIO_AN_REG_STATUS, &val); 6954 bnx2x_cl45_read(bp, phy, 6955 MDIO_AN_DEVAD, 6956 MDIO_AN_REG_STATUS, &val); 6957 if (val & (1<<5)) 6958 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE; 6959 if ((val & (1<<0)) == 0) 6960 vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED; 6961 } 6962 6963 /******************************************************************/ 6964 /* common BCM8073/BCM8727 PHY SECTION */ 6965 /******************************************************************/ 6966 static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy, 6967 struct link_params *params, 6968 struct link_vars *vars) 6969 { 6970 struct bnx2x *bp = params->bp; 6971 if (phy->req_line_speed == SPEED_10 || 6972 phy->req_line_speed == SPEED_100) { 6973 vars->flow_ctrl = phy->req_flow_ctrl; 6974 return; 6975 } 6976 6977 if (bnx2x_ext_phy_resolve_fc(phy, params, vars) && 6978 (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) { 6979 u16 pause_result; 6980 u16 ld_pause; /* local */ 6981 u16 lp_pause; /* link partner */ 6982 bnx2x_cl45_read(bp, phy, 6983 MDIO_AN_DEVAD, 6984 MDIO_AN_REG_CL37_FC_LD, &ld_pause); 6985 6986 bnx2x_cl45_read(bp, phy, 6987 MDIO_AN_DEVAD, 6988 MDIO_AN_REG_CL37_FC_LP, &lp_pause); 6989 pause_result = (ld_pause & 6990 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5; 6991 pause_result |= (lp_pause & 6992 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7; 6993 6994 bnx2x_pause_resolve(vars, pause_result); 6995 DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n", 6996 pause_result); 6997 } 6998 } 6999 static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp, 7000 struct bnx2x_phy *phy, 7001 u8 port) 7002 { 7003 u32 count = 0; 7004 u16 fw_ver1, fw_msgout; 7005 int rc = 0; 7006 7007 /* Boot port from external ROM */ 7008 /* EDC grst */ 7009 bnx2x_cl45_write(bp, phy, 7010 MDIO_PMA_DEVAD, 7011 MDIO_PMA_REG_GEN_CTRL, 7012 0x0001); 7013 7014 /* Ucode reboot and rst */ 7015 bnx2x_cl45_write(bp, phy, 7016 MDIO_PMA_DEVAD, 7017 MDIO_PMA_REG_GEN_CTRL, 7018 0x008c); 7019 7020 bnx2x_cl45_write(bp, phy, 7021 MDIO_PMA_DEVAD, 7022 MDIO_PMA_REG_MISC_CTRL1, 0x0001); 7023 7024 /* Reset internal microprocessor */ 7025 bnx2x_cl45_write(bp, phy, 7026 MDIO_PMA_DEVAD, 7027 MDIO_PMA_REG_GEN_CTRL, 7028 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET); 7029 7030 /* Release srst bit */ 7031 bnx2x_cl45_write(bp, phy, 7032 MDIO_PMA_DEVAD, 7033 MDIO_PMA_REG_GEN_CTRL, 7034 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP); 7035 7036 /* Delay 100ms per the PHY specifications */ 7037 msleep(100); 7038 7039 /* 8073 sometimes taking longer to download */ 7040 do { 7041 count++; 7042 if (count > 300) { 7043 DP(NETIF_MSG_LINK, 7044 "bnx2x_8073_8727_external_rom_boot port %x:" 7045 "Download failed. fw version = 0x%x\n", 7046 port, fw_ver1); 7047 rc = -EINVAL; 7048 break; 7049 } 7050 7051 bnx2x_cl45_read(bp, phy, 7052 MDIO_PMA_DEVAD, 7053 MDIO_PMA_REG_ROM_VER1, &fw_ver1); 7054 bnx2x_cl45_read(bp, phy, 7055 MDIO_PMA_DEVAD, 7056 MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout); 7057 7058 usleep_range(1000, 2000); 7059 } while (fw_ver1 == 0 || fw_ver1 == 0x4321 || 7060 ((fw_msgout & 0xff) != 0x03 && (phy->type == 7061 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073))); 7062 7063 /* Clear ser_boot_ctl bit */ 7064 bnx2x_cl45_write(bp, phy, 7065 MDIO_PMA_DEVAD, 7066 MDIO_PMA_REG_MISC_CTRL1, 0x0000); 7067 bnx2x_save_bcm_spirom_ver(bp, phy, port); 7068 7069 DP(NETIF_MSG_LINK, 7070 "bnx2x_8073_8727_external_rom_boot port %x:" 7071 "Download complete. fw version = 0x%x\n", 7072 port, fw_ver1); 7073 7074 return rc; 7075 } 7076 7077 /******************************************************************/ 7078 /* BCM8073 PHY SECTION */ 7079 /******************************************************************/ 7080 static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy) 7081 { 7082 /* This is only required for 8073A1, version 102 only */ 7083 u16 val; 7084 7085 /* Read 8073 HW revision*/ 7086 bnx2x_cl45_read(bp, phy, 7087 MDIO_PMA_DEVAD, 7088 MDIO_PMA_REG_8073_CHIP_REV, &val); 7089 7090 if (val != 1) { 7091 /* No need to workaround in 8073 A1 */ 7092 return 0; 7093 } 7094 7095 bnx2x_cl45_read(bp, phy, 7096 MDIO_PMA_DEVAD, 7097 MDIO_PMA_REG_ROM_VER2, &val); 7098 7099 /* SNR should be applied only for version 0x102 */ 7100 if (val != 0x102) 7101 return 0; 7102 7103 return 1; 7104 } 7105 7106 static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy) 7107 { 7108 u16 val, cnt, cnt1 ; 7109 7110 bnx2x_cl45_read(bp, phy, 7111 MDIO_PMA_DEVAD, 7112 MDIO_PMA_REG_8073_CHIP_REV, &val); 7113 7114 if (val > 0) { 7115 /* No need to workaround in 8073 A1 */ 7116 return 0; 7117 } 7118 /* XAUI workaround in 8073 A0: */ 7119 7120 /* After loading the boot ROM and restarting Autoneg, poll 7121 * Dev1, Reg $C820: 7122 */ 7123 7124 for (cnt = 0; cnt < 1000; cnt++) { 7125 bnx2x_cl45_read(bp, phy, 7126 MDIO_PMA_DEVAD, 7127 MDIO_PMA_REG_8073_SPEED_LINK_STATUS, 7128 &val); 7129 /* If bit [14] = 0 or bit [13] = 0, continue on with 7130 * system initialization (XAUI work-around not required, as 7131 * these bits indicate 2.5G or 1G link up). 7132 */ 7133 if (!(val & (1<<14)) || !(val & (1<<13))) { 7134 DP(NETIF_MSG_LINK, "XAUI work-around not required\n"); 7135 return 0; 7136 } else if (!(val & (1<<15))) { 7137 DP(NETIF_MSG_LINK, "bit 15 went off\n"); 7138 /* If bit 15 is 0, then poll Dev1, Reg $C841 until it's 7139 * MSB (bit15) goes to 1 (indicating that the XAUI 7140 * workaround has completed), then continue on with 7141 * system initialization. 7142 */ 7143 for (cnt1 = 0; cnt1 < 1000; cnt1++) { 7144 bnx2x_cl45_read(bp, phy, 7145 MDIO_PMA_DEVAD, 7146 MDIO_PMA_REG_8073_XAUI_WA, &val); 7147 if (val & (1<<15)) { 7148 DP(NETIF_MSG_LINK, 7149 "XAUI workaround has completed\n"); 7150 return 0; 7151 } 7152 usleep_range(3000, 6000); 7153 } 7154 break; 7155 } 7156 usleep_range(3000, 6000); 7157 } 7158 DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n"); 7159 return -EINVAL; 7160 } 7161 7162 static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy) 7163 { 7164 /* Force KR or KX */ 7165 bnx2x_cl45_write(bp, phy, 7166 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040); 7167 bnx2x_cl45_write(bp, phy, 7168 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b); 7169 bnx2x_cl45_write(bp, phy, 7170 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000); 7171 bnx2x_cl45_write(bp, phy, 7172 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000); 7173 } 7174 7175 static void bnx2x_8073_set_pause_cl37(struct link_params *params, 7176 struct bnx2x_phy *phy, 7177 struct link_vars *vars) 7178 { 7179 u16 cl37_val; 7180 struct bnx2x *bp = params->bp; 7181 bnx2x_cl45_read(bp, phy, 7182 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val); 7183 7184 cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH; 7185 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */ 7186 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc); 7187 if ((vars->ieee_fc & 7188 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) == 7189 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) { 7190 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC; 7191 } 7192 if ((vars->ieee_fc & 7193 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) == 7194 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) { 7195 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC; 7196 } 7197 if ((vars->ieee_fc & 7198 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) == 7199 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) { 7200 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH; 7201 } 7202 DP(NETIF_MSG_LINK, 7203 "Ext phy AN advertize cl37 0x%x\n", cl37_val); 7204 7205 bnx2x_cl45_write(bp, phy, 7206 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val); 7207 msleep(500); 7208 } 7209 7210 static int bnx2x_8073_config_init(struct bnx2x_phy *phy, 7211 struct link_params *params, 7212 struct link_vars *vars) 7213 { 7214 struct bnx2x *bp = params->bp; 7215 u16 val = 0, tmp1; 7216 u8 gpio_port; 7217 DP(NETIF_MSG_LINK, "Init 8073\n"); 7218 7219 if (CHIP_IS_E2(bp)) 7220 gpio_port = BP_PATH(bp); 7221 else 7222 gpio_port = params->port; 7223 /* Restore normal power mode*/ 7224 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, 7225 MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port); 7226 7227 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1, 7228 MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port); 7229 7230 /* Enable LASI */ 7231 bnx2x_cl45_write(bp, phy, 7232 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2)); 7233 bnx2x_cl45_write(bp, phy, 7234 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004); 7235 7236 bnx2x_8073_set_pause_cl37(params, phy, vars); 7237 7238 bnx2x_cl45_read(bp, phy, 7239 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1); 7240 7241 bnx2x_cl45_read(bp, phy, 7242 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1); 7243 7244 DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1); 7245 7246 /* Swap polarity if required - Must be done only in non-1G mode */ 7247 if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) { 7248 /* Configure the 8073 to swap _P and _N of the KR lines */ 7249 DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n"); 7250 /* 10G Rx/Tx and 1G Tx signal polarity swap */ 7251 bnx2x_cl45_read(bp, phy, 7252 MDIO_PMA_DEVAD, 7253 MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val); 7254 bnx2x_cl45_write(bp, phy, 7255 MDIO_PMA_DEVAD, 7256 MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, 7257 (val | (3<<9))); 7258 } 7259 7260 7261 /* Enable CL37 BAM */ 7262 if (REG_RD(bp, params->shmem_base + 7263 offsetof(struct shmem_region, dev_info. 7264 port_hw_config[params->port].default_cfg)) & 7265 PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) { 7266 7267 bnx2x_cl45_read(bp, phy, 7268 MDIO_AN_DEVAD, 7269 MDIO_AN_REG_8073_BAM, &val); 7270 bnx2x_cl45_write(bp, phy, 7271 MDIO_AN_DEVAD, 7272 MDIO_AN_REG_8073_BAM, val | 1); 7273 DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n"); 7274 } 7275 if (params->loopback_mode == LOOPBACK_EXT) { 7276 bnx2x_807x_force_10G(bp, phy); 7277 DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n"); 7278 return 0; 7279 } else { 7280 bnx2x_cl45_write(bp, phy, 7281 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002); 7282 } 7283 if (phy->req_line_speed != SPEED_AUTO_NEG) { 7284 if (phy->req_line_speed == SPEED_10000) { 7285 val = (1<<7); 7286 } else if (phy->req_line_speed == SPEED_2500) { 7287 val = (1<<5); 7288 /* Note that 2.5G works only when used with 1G 7289 * advertisement 7290 */ 7291 } else 7292 val = (1<<5); 7293 } else { 7294 val = 0; 7295 if (phy->speed_cap_mask & 7296 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) 7297 val |= (1<<7); 7298 7299 /* Note that 2.5G works only when used with 1G advertisement */ 7300 if (phy->speed_cap_mask & 7301 (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G | 7302 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)) 7303 val |= (1<<5); 7304 DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val); 7305 } 7306 7307 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val); 7308 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1); 7309 7310 if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) && 7311 (phy->req_line_speed == SPEED_AUTO_NEG)) || 7312 (phy->req_line_speed == SPEED_2500)) { 7313 u16 phy_ver; 7314 /* Allow 2.5G for A1 and above */ 7315 bnx2x_cl45_read(bp, phy, 7316 MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV, 7317 &phy_ver); 7318 DP(NETIF_MSG_LINK, "Add 2.5G\n"); 7319 if (phy_ver > 0) 7320 tmp1 |= 1; 7321 else 7322 tmp1 &= 0xfffe; 7323 } else { 7324 DP(NETIF_MSG_LINK, "Disable 2.5G\n"); 7325 tmp1 &= 0xfffe; 7326 } 7327 7328 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1); 7329 /* Add support for CL37 (passive mode) II */ 7330 7331 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1); 7332 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 7333 (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ? 7334 0x20 : 0x40))); 7335 7336 /* Add support for CL37 (passive mode) III */ 7337 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000); 7338 7339 /* The SNR will improve about 2db by changing BW and FEE main 7340 * tap. Rest commands are executed after link is up 7341 * Change FFE main cursor to 5 in EDC register 7342 */ 7343 if (bnx2x_8073_is_snr_needed(bp, phy)) 7344 bnx2x_cl45_write(bp, phy, 7345 MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN, 7346 0xFB0C); 7347 7348 /* Enable FEC (Forware Error Correction) Request in the AN */ 7349 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1); 7350 tmp1 |= (1<<15); 7351 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1); 7352 7353 bnx2x_ext_phy_set_pause(params, phy, vars); 7354 7355 /* Restart autoneg */ 7356 msleep(500); 7357 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200); 7358 DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n", 7359 ((val & (1<<5)) > 0), ((val & (1<<7)) > 0)); 7360 return 0; 7361 } 7362 7363 static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy, 7364 struct link_params *params, 7365 struct link_vars *vars) 7366 { 7367 struct bnx2x *bp = params->bp; 7368 u8 link_up = 0; 7369 u16 val1, val2; 7370 u16 link_status = 0; 7371 u16 an1000_status = 0; 7372 7373 bnx2x_cl45_read(bp, phy, 7374 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1); 7375 7376 DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1); 7377 7378 /* Clear the interrupt LASI status register */ 7379 bnx2x_cl45_read(bp, phy, 7380 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2); 7381 bnx2x_cl45_read(bp, phy, 7382 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1); 7383 DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1); 7384 /* Clear MSG-OUT */ 7385 bnx2x_cl45_read(bp, phy, 7386 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1); 7387 7388 /* Check the LASI */ 7389 bnx2x_cl45_read(bp, phy, 7390 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2); 7391 7392 DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2); 7393 7394 /* Check the link status */ 7395 bnx2x_cl45_read(bp, phy, 7396 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2); 7397 DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2); 7398 7399 bnx2x_cl45_read(bp, phy, 7400 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2); 7401 bnx2x_cl45_read(bp, phy, 7402 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1); 7403 link_up = ((val1 & 4) == 4); 7404 DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1); 7405 7406 if (link_up && 7407 ((phy->req_line_speed != SPEED_10000))) { 7408 if (bnx2x_8073_xaui_wa(bp, phy) != 0) 7409 return 0; 7410 } 7411 bnx2x_cl45_read(bp, phy, 7412 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status); 7413 bnx2x_cl45_read(bp, phy, 7414 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status); 7415 7416 /* Check the link status on 1.1.2 */ 7417 bnx2x_cl45_read(bp, phy, 7418 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2); 7419 bnx2x_cl45_read(bp, phy, 7420 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1); 7421 DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x," 7422 "an_link_status=0x%x\n", val2, val1, an1000_status); 7423 7424 link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1))); 7425 if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) { 7426 /* The SNR will improve about 2dbby changing the BW and FEE main 7427 * tap. The 1st write to change FFE main tap is set before 7428 * restart AN. Change PLL Bandwidth in EDC register 7429 */ 7430 bnx2x_cl45_write(bp, phy, 7431 MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH, 7432 0x26BC); 7433 7434 /* Change CDR Bandwidth in EDC register */ 7435 bnx2x_cl45_write(bp, phy, 7436 MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH, 7437 0x0333); 7438 } 7439 bnx2x_cl45_read(bp, phy, 7440 MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS, 7441 &link_status); 7442 7443 /* Bits 0..2 --> speed detected, bits 13..15--> link is down */ 7444 if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) { 7445 link_up = 1; 7446 vars->line_speed = SPEED_10000; 7447 DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n", 7448 params->port); 7449 } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) { 7450 link_up = 1; 7451 vars->line_speed = SPEED_2500; 7452 DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n", 7453 params->port); 7454 } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) { 7455 link_up = 1; 7456 vars->line_speed = SPEED_1000; 7457 DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n", 7458 params->port); 7459 } else { 7460 link_up = 0; 7461 DP(NETIF_MSG_LINK, "port %x: External link is down\n", 7462 params->port); 7463 } 7464 7465 if (link_up) { 7466 /* Swap polarity if required */ 7467 if (params->lane_config & 7468 PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) { 7469 /* Configure the 8073 to swap P and N of the KR lines */ 7470 bnx2x_cl45_read(bp, phy, 7471 MDIO_XS_DEVAD, 7472 MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1); 7473 /* Set bit 3 to invert Rx in 1G mode and clear this bit 7474 * when it`s in 10G mode. 7475 */ 7476 if (vars->line_speed == SPEED_1000) { 7477 DP(NETIF_MSG_LINK, "Swapping 1G polarity for" 7478 "the 8073\n"); 7479 val1 |= (1<<3); 7480 } else 7481 val1 &= ~(1<<3); 7482 7483 bnx2x_cl45_write(bp, phy, 7484 MDIO_XS_DEVAD, 7485 MDIO_XS_REG_8073_RX_CTRL_PCIE, 7486 val1); 7487 } 7488 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars); 7489 bnx2x_8073_resolve_fc(phy, params, vars); 7490 vars->duplex = DUPLEX_FULL; 7491 } 7492 7493 if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) { 7494 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, 7495 MDIO_AN_REG_LP_AUTO_NEG2, &val1); 7496 7497 if (val1 & (1<<5)) 7498 vars->link_status |= 7499 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE; 7500 if (val1 & (1<<7)) 7501 vars->link_status |= 7502 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE; 7503 } 7504 7505 return link_up; 7506 } 7507 7508 static void bnx2x_8073_link_reset(struct bnx2x_phy *phy, 7509 struct link_params *params) 7510 { 7511 struct bnx2x *bp = params->bp; 7512 u8 gpio_port; 7513 if (CHIP_IS_E2(bp)) 7514 gpio_port = BP_PATH(bp); 7515 else 7516 gpio_port = params->port; 7517 DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n", 7518 gpio_port); 7519 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, 7520 MISC_REGISTERS_GPIO_OUTPUT_LOW, 7521 gpio_port); 7522 } 7523 7524 /******************************************************************/ 7525 /* BCM8705 PHY SECTION */ 7526 /******************************************************************/ 7527 static int bnx2x_8705_config_init(struct bnx2x_phy *phy, 7528 struct link_params *params, 7529 struct link_vars *vars) 7530 { 7531 struct bnx2x *bp = params->bp; 7532 DP(NETIF_MSG_LINK, "init 8705\n"); 7533 /* Restore normal power mode*/ 7534 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, 7535 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port); 7536 /* HW reset */ 7537 bnx2x_ext_phy_hw_reset(bp, params->port); 7538 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040); 7539 bnx2x_wait_reset_complete(bp, phy, params); 7540 7541 bnx2x_cl45_write(bp, phy, 7542 MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288); 7543 bnx2x_cl45_write(bp, phy, 7544 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf); 7545 bnx2x_cl45_write(bp, phy, 7546 MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100); 7547 bnx2x_cl45_write(bp, phy, 7548 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1); 7549 /* BCM8705 doesn't have microcode, hence the 0 */ 7550 bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0); 7551 return 0; 7552 } 7553 7554 static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy, 7555 struct link_params *params, 7556 struct link_vars *vars) 7557 { 7558 u8 link_up = 0; 7559 u16 val1, rx_sd; 7560 struct bnx2x *bp = params->bp; 7561 DP(NETIF_MSG_LINK, "read status 8705\n"); 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_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1); 7568 DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1); 7569 7570 bnx2x_cl45_read(bp, phy, 7571 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd); 7572 7573 bnx2x_cl45_read(bp, phy, 7574 MDIO_PMA_DEVAD, 0xc809, &val1); 7575 bnx2x_cl45_read(bp, phy, 7576 MDIO_PMA_DEVAD, 0xc809, &val1); 7577 7578 DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1); 7579 link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0)); 7580 if (link_up) { 7581 vars->line_speed = SPEED_10000; 7582 bnx2x_ext_phy_resolve_fc(phy, params, vars); 7583 } 7584 return link_up; 7585 } 7586 7587 /******************************************************************/ 7588 /* SFP+ module Section */ 7589 /******************************************************************/ 7590 static void bnx2x_set_disable_pmd_transmit(struct link_params *params, 7591 struct bnx2x_phy *phy, 7592 u8 pmd_dis) 7593 { 7594 struct bnx2x *bp = params->bp; 7595 /* Disable transmitter only for bootcodes which can enable it afterwards 7596 * (for D3 link) 7597 */ 7598 if (pmd_dis) { 7599 if (params->feature_config_flags & 7600 FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED) 7601 DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n"); 7602 else { 7603 DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n"); 7604 return; 7605 } 7606 } else 7607 DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n"); 7608 bnx2x_cl45_write(bp, phy, 7609 MDIO_PMA_DEVAD, 7610 MDIO_PMA_REG_TX_DISABLE, pmd_dis); 7611 } 7612 7613 static u8 bnx2x_get_gpio_port(struct link_params *params) 7614 { 7615 u8 gpio_port; 7616 u32 swap_val, swap_override; 7617 struct bnx2x *bp = params->bp; 7618 if (CHIP_IS_E2(bp)) 7619 gpio_port = BP_PATH(bp); 7620 else 7621 gpio_port = params->port; 7622 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP); 7623 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE); 7624 return gpio_port ^ (swap_val && swap_override); 7625 } 7626 7627 static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params, 7628 struct bnx2x_phy *phy, 7629 u8 tx_en) 7630 { 7631 u16 val; 7632 u8 port = params->port; 7633 struct bnx2x *bp = params->bp; 7634 u32 tx_en_mode; 7635 7636 /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/ 7637 tx_en_mode = REG_RD(bp, params->shmem_base + 7638 offsetof(struct shmem_region, 7639 dev_info.port_hw_config[port].sfp_ctrl)) & 7640 PORT_HW_CFG_TX_LASER_MASK; 7641 DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x " 7642 "mode = %x\n", tx_en, port, tx_en_mode); 7643 switch (tx_en_mode) { 7644 case PORT_HW_CFG_TX_LASER_MDIO: 7645 7646 bnx2x_cl45_read(bp, phy, 7647 MDIO_PMA_DEVAD, 7648 MDIO_PMA_REG_PHY_IDENTIFIER, 7649 &val); 7650 7651 if (tx_en) 7652 val &= ~(1<<15); 7653 else 7654 val |= (1<<15); 7655 7656 bnx2x_cl45_write(bp, phy, 7657 MDIO_PMA_DEVAD, 7658 MDIO_PMA_REG_PHY_IDENTIFIER, 7659 val); 7660 break; 7661 case PORT_HW_CFG_TX_LASER_GPIO0: 7662 case PORT_HW_CFG_TX_LASER_GPIO1: 7663 case PORT_HW_CFG_TX_LASER_GPIO2: 7664 case PORT_HW_CFG_TX_LASER_GPIO3: 7665 { 7666 u16 gpio_pin; 7667 u8 gpio_port, gpio_mode; 7668 if (tx_en) 7669 gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH; 7670 else 7671 gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW; 7672 7673 gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0; 7674 gpio_port = bnx2x_get_gpio_port(params); 7675 bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port); 7676 break; 7677 } 7678 default: 7679 DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode); 7680 break; 7681 } 7682 } 7683 7684 static void bnx2x_sfp_set_transmitter(struct link_params *params, 7685 struct bnx2x_phy *phy, 7686 u8 tx_en) 7687 { 7688 struct bnx2x *bp = params->bp; 7689 DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en); 7690 if (CHIP_IS_E3(bp)) 7691 bnx2x_sfp_e3_set_transmitter(params, phy, tx_en); 7692 else 7693 bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en); 7694 } 7695 7696 static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy, 7697 struct link_params *params, 7698 u16 addr, u8 byte_cnt, u8 *o_buf) 7699 { 7700 struct bnx2x *bp = params->bp; 7701 u16 val = 0; 7702 u16 i; 7703 if (byte_cnt > SFP_EEPROM_PAGE_SIZE) { 7704 DP(NETIF_MSG_LINK, 7705 "Reading from eeprom is limited to 0xf\n"); 7706 return -EINVAL; 7707 } 7708 /* Set the read command byte count */ 7709 bnx2x_cl45_write(bp, phy, 7710 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT, 7711 (byte_cnt | 0xa000)); 7712 7713 /* Set the read command address */ 7714 bnx2x_cl45_write(bp, phy, 7715 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR, 7716 addr); 7717 7718 /* Activate read command */ 7719 bnx2x_cl45_write(bp, phy, 7720 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, 7721 0x2c0f); 7722 7723 /* Wait up to 500us for command complete status */ 7724 for (i = 0; i < 100; i++) { 7725 bnx2x_cl45_read(bp, phy, 7726 MDIO_PMA_DEVAD, 7727 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val); 7728 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) == 7729 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) 7730 break; 7731 udelay(5); 7732 } 7733 7734 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) != 7735 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) { 7736 DP(NETIF_MSG_LINK, 7737 "Got bad status 0x%x when reading from SFP+ EEPROM\n", 7738 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK)); 7739 return -EINVAL; 7740 } 7741 7742 /* Read the buffer */ 7743 for (i = 0; i < byte_cnt; i++) { 7744 bnx2x_cl45_read(bp, phy, 7745 MDIO_PMA_DEVAD, 7746 MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val); 7747 o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK); 7748 } 7749 7750 for (i = 0; i < 100; i++) { 7751 bnx2x_cl45_read(bp, phy, 7752 MDIO_PMA_DEVAD, 7753 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val); 7754 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) == 7755 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE) 7756 return 0; 7757 usleep_range(1000, 2000); 7758 } 7759 return -EINVAL; 7760 } 7761 7762 static void bnx2x_warpcore_power_module(struct link_params *params, 7763 struct bnx2x_phy *phy, 7764 u8 power) 7765 { 7766 u32 pin_cfg; 7767 struct bnx2x *bp = params->bp; 7768 7769 pin_cfg = (REG_RD(bp, params->shmem_base + 7770 offsetof(struct shmem_region, 7771 dev_info.port_hw_config[params->port].e3_sfp_ctrl)) & 7772 PORT_HW_CFG_E3_PWR_DIS_MASK) >> 7773 PORT_HW_CFG_E3_PWR_DIS_SHIFT; 7774 7775 if (pin_cfg == PIN_CFG_NA) 7776 return; 7777 DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n", 7778 power, pin_cfg); 7779 /* Low ==> corresponding SFP+ module is powered 7780 * high ==> the SFP+ module is powered down 7781 */ 7782 bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1); 7783 } 7784 static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy, 7785 struct link_params *params, 7786 u16 addr, u8 byte_cnt, 7787 u8 *o_buf) 7788 { 7789 int rc = 0; 7790 u8 i, j = 0, cnt = 0; 7791 u32 data_array[4]; 7792 u16 addr32; 7793 struct bnx2x *bp = params->bp; 7794 7795 if (byte_cnt > SFP_EEPROM_PAGE_SIZE) { 7796 DP(NETIF_MSG_LINK, 7797 "Reading from eeprom is limited to 16 bytes\n"); 7798 return -EINVAL; 7799 } 7800 7801 /* 4 byte aligned address */ 7802 addr32 = addr & (~0x3); 7803 do { 7804 if (cnt == I2C_WA_PWR_ITER) { 7805 bnx2x_warpcore_power_module(params, phy, 0); 7806 /* Note that 100us are not enough here */ 7807 usleep_range(1000,1000); 7808 bnx2x_warpcore_power_module(params, phy, 1); 7809 } 7810 rc = bnx2x_bsc_read(params, phy, 0xa0, addr32, 0, byte_cnt, 7811 data_array); 7812 } while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT)); 7813 7814 if (rc == 0) { 7815 for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) { 7816 o_buf[j] = *((u8 *)data_array + i); 7817 j++; 7818 } 7819 } 7820 7821 return rc; 7822 } 7823 7824 static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy, 7825 struct link_params *params, 7826 u16 addr, u8 byte_cnt, u8 *o_buf) 7827 { 7828 struct bnx2x *bp = params->bp; 7829 u16 val, i; 7830 7831 if (byte_cnt > SFP_EEPROM_PAGE_SIZE) { 7832 DP(NETIF_MSG_LINK, 7833 "Reading from eeprom is limited to 0xf\n"); 7834 return -EINVAL; 7835 } 7836 7837 /* Need to read from 1.8000 to clear it */ 7838 bnx2x_cl45_read(bp, phy, 7839 MDIO_PMA_DEVAD, 7840 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, 7841 &val); 7842 7843 /* Set the read command byte count */ 7844 bnx2x_cl45_write(bp, phy, 7845 MDIO_PMA_DEVAD, 7846 MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT, 7847 ((byte_cnt < 2) ? 2 : byte_cnt)); 7848 7849 /* Set the read command address */ 7850 bnx2x_cl45_write(bp, phy, 7851 MDIO_PMA_DEVAD, 7852 MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR, 7853 addr); 7854 /* Set the destination address */ 7855 bnx2x_cl45_write(bp, phy, 7856 MDIO_PMA_DEVAD, 7857 0x8004, 7858 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF); 7859 7860 /* Activate read command */ 7861 bnx2x_cl45_write(bp, phy, 7862 MDIO_PMA_DEVAD, 7863 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, 7864 0x8002); 7865 /* Wait appropriate time for two-wire command to finish before 7866 * polling the status register 7867 */ 7868 usleep_range(1000, 2000); 7869 7870 /* Wait up to 500us for command complete status */ 7871 for (i = 0; i < 100; i++) { 7872 bnx2x_cl45_read(bp, phy, 7873 MDIO_PMA_DEVAD, 7874 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val); 7875 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) == 7876 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) 7877 break; 7878 udelay(5); 7879 } 7880 7881 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) != 7882 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) { 7883 DP(NETIF_MSG_LINK, 7884 "Got bad status 0x%x when reading from SFP+ EEPROM\n", 7885 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK)); 7886 return -EFAULT; 7887 } 7888 7889 /* Read the buffer */ 7890 for (i = 0; i < byte_cnt; i++) { 7891 bnx2x_cl45_read(bp, phy, 7892 MDIO_PMA_DEVAD, 7893 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val); 7894 o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK); 7895 } 7896 7897 for (i = 0; i < 100; i++) { 7898 bnx2x_cl45_read(bp, phy, 7899 MDIO_PMA_DEVAD, 7900 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val); 7901 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) == 7902 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE) 7903 return 0; 7904 usleep_range(1000, 2000); 7905 } 7906 7907 return -EINVAL; 7908 } 7909 7910 int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy, 7911 struct link_params *params, u16 addr, 7912 u8 byte_cnt, u8 *o_buf) 7913 { 7914 int rc = -EOPNOTSUPP; 7915 switch (phy->type) { 7916 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726: 7917 rc = bnx2x_8726_read_sfp_module_eeprom(phy, params, addr, 7918 byte_cnt, o_buf); 7919 break; 7920 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727: 7921 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722: 7922 rc = bnx2x_8727_read_sfp_module_eeprom(phy, params, addr, 7923 byte_cnt, o_buf); 7924 break; 7925 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT: 7926 rc = bnx2x_warpcore_read_sfp_module_eeprom(phy, params, addr, 7927 byte_cnt, o_buf); 7928 break; 7929 } 7930 return rc; 7931 } 7932 7933 static int bnx2x_get_edc_mode(struct bnx2x_phy *phy, 7934 struct link_params *params, 7935 u16 *edc_mode) 7936 { 7937 struct bnx2x *bp = params->bp; 7938 u32 sync_offset = 0, phy_idx, media_types; 7939 u8 val[2], check_limiting_mode = 0; 7940 *edc_mode = EDC_MODE_LIMITING; 7941 7942 phy->media_type = ETH_PHY_UNSPECIFIED; 7943 /* First check for copper cable */ 7944 if (bnx2x_read_sfp_module_eeprom(phy, 7945 params, 7946 SFP_EEPROM_CON_TYPE_ADDR, 7947 2, 7948 (u8 *)val) != 0) { 7949 DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n"); 7950 return -EINVAL; 7951 } 7952 7953 switch (val[0]) { 7954 case SFP_EEPROM_CON_TYPE_VAL_COPPER: 7955 { 7956 u8 copper_module_type; 7957 phy->media_type = ETH_PHY_DA_TWINAX; 7958 /* Check if its active cable (includes SFP+ module) 7959 * of passive cable 7960 */ 7961 if (bnx2x_read_sfp_module_eeprom(phy, 7962 params, 7963 SFP_EEPROM_FC_TX_TECH_ADDR, 7964 1, 7965 &copper_module_type) != 0) { 7966 DP(NETIF_MSG_LINK, 7967 "Failed to read copper-cable-type" 7968 " from SFP+ EEPROM\n"); 7969 return -EINVAL; 7970 } 7971 7972 if (copper_module_type & 7973 SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) { 7974 DP(NETIF_MSG_LINK, "Active Copper cable detected\n"); 7975 check_limiting_mode = 1; 7976 } else if (copper_module_type & 7977 SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) { 7978 DP(NETIF_MSG_LINK, 7979 "Passive Copper cable detected\n"); 7980 *edc_mode = 7981 EDC_MODE_PASSIVE_DAC; 7982 } else { 7983 DP(NETIF_MSG_LINK, 7984 "Unknown copper-cable-type 0x%x !!!\n", 7985 copper_module_type); 7986 return -EINVAL; 7987 } 7988 break; 7989 } 7990 case SFP_EEPROM_CON_TYPE_VAL_LC: 7991 check_limiting_mode = 1; 7992 if ((val[1] & (SFP_EEPROM_COMP_CODE_SR_MASK | 7993 SFP_EEPROM_COMP_CODE_LR_MASK | 7994 SFP_EEPROM_COMP_CODE_LRM_MASK)) == 0) { 7995 DP(NETIF_MSG_LINK, "1G Optic module detected\n"); 7996 phy->media_type = ETH_PHY_SFP_1G_FIBER; 7997 phy->req_line_speed = SPEED_1000; 7998 } else { 7999 int idx, cfg_idx = 0; 8000 DP(NETIF_MSG_LINK, "10G Optic module detected\n"); 8001 for (idx = INT_PHY; idx < MAX_PHYS; idx++) { 8002 if (params->phy[idx].type == phy->type) { 8003 cfg_idx = LINK_CONFIG_IDX(idx); 8004 break; 8005 } 8006 } 8007 phy->media_type = ETH_PHY_SFPP_10G_FIBER; 8008 phy->req_line_speed = params->req_line_speed[cfg_idx]; 8009 } 8010 break; 8011 default: 8012 DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n", 8013 val[0]); 8014 return -EINVAL; 8015 } 8016 sync_offset = params->shmem_base + 8017 offsetof(struct shmem_region, 8018 dev_info.port_hw_config[params->port].media_type); 8019 media_types = REG_RD(bp, sync_offset); 8020 /* Update media type for non-PMF sync */ 8021 for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) { 8022 if (&(params->phy[phy_idx]) == phy) { 8023 media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK << 8024 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx)); 8025 media_types |= ((phy->media_type & 8026 PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) << 8027 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx)); 8028 break; 8029 } 8030 } 8031 REG_WR(bp, sync_offset, media_types); 8032 if (check_limiting_mode) { 8033 u8 options[SFP_EEPROM_OPTIONS_SIZE]; 8034 if (bnx2x_read_sfp_module_eeprom(phy, 8035 params, 8036 SFP_EEPROM_OPTIONS_ADDR, 8037 SFP_EEPROM_OPTIONS_SIZE, 8038 options) != 0) { 8039 DP(NETIF_MSG_LINK, 8040 "Failed to read Option field from module EEPROM\n"); 8041 return -EINVAL; 8042 } 8043 if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK)) 8044 *edc_mode = EDC_MODE_LINEAR; 8045 else 8046 *edc_mode = EDC_MODE_LIMITING; 8047 } 8048 DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode); 8049 return 0; 8050 } 8051 /* This function read the relevant field from the module (SFP+), and verify it 8052 * is compliant with this board 8053 */ 8054 static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy, 8055 struct link_params *params) 8056 { 8057 struct bnx2x *bp = params->bp; 8058 u32 val, cmd; 8059 u32 fw_resp, fw_cmd_param; 8060 char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1]; 8061 char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1]; 8062 phy->flags &= ~FLAGS_SFP_NOT_APPROVED; 8063 val = REG_RD(bp, params->shmem_base + 8064 offsetof(struct shmem_region, dev_info. 8065 port_feature_config[params->port].config)); 8066 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) == 8067 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) { 8068 DP(NETIF_MSG_LINK, "NOT enforcing module verification\n"); 8069 return 0; 8070 } 8071 8072 if (params->feature_config_flags & 8073 FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) { 8074 /* Use specific phy request */ 8075 cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL; 8076 } else if (params->feature_config_flags & 8077 FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) { 8078 /* Use first phy request only in case of non-dual media*/ 8079 if (DUAL_MEDIA(params)) { 8080 DP(NETIF_MSG_LINK, 8081 "FW does not support OPT MDL verification\n"); 8082 return -EINVAL; 8083 } 8084 cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL; 8085 } else { 8086 /* No support in OPT MDL detection */ 8087 DP(NETIF_MSG_LINK, 8088 "FW does not support OPT MDL verification\n"); 8089 return -EINVAL; 8090 } 8091 8092 fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl); 8093 fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param); 8094 if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) { 8095 DP(NETIF_MSG_LINK, "Approved module\n"); 8096 return 0; 8097 } 8098 8099 /* Format the warning message */ 8100 if (bnx2x_read_sfp_module_eeprom(phy, 8101 params, 8102 SFP_EEPROM_VENDOR_NAME_ADDR, 8103 SFP_EEPROM_VENDOR_NAME_SIZE, 8104 (u8 *)vendor_name)) 8105 vendor_name[0] = '\0'; 8106 else 8107 vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0'; 8108 if (bnx2x_read_sfp_module_eeprom(phy, 8109 params, 8110 SFP_EEPROM_PART_NO_ADDR, 8111 SFP_EEPROM_PART_NO_SIZE, 8112 (u8 *)vendor_pn)) 8113 vendor_pn[0] = '\0'; 8114 else 8115 vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0'; 8116 8117 netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected," 8118 " Port %d from %s part number %s\n", 8119 params->port, vendor_name, vendor_pn); 8120 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) != 8121 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_WARNING_MSG) 8122 phy->flags |= FLAGS_SFP_NOT_APPROVED; 8123 return -EINVAL; 8124 } 8125 8126 static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy, 8127 struct link_params *params) 8128 8129 { 8130 u8 val; 8131 struct bnx2x *bp = params->bp; 8132 u16 timeout; 8133 /* Initialization time after hot-plug may take up to 300ms for 8134 * some phys type ( e.g. JDSU ) 8135 */ 8136 8137 for (timeout = 0; timeout < 60; timeout++) { 8138 if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val) 8139 == 0) { 8140 DP(NETIF_MSG_LINK, 8141 "SFP+ module initialization took %d ms\n", 8142 timeout * 5); 8143 return 0; 8144 } 8145 usleep_range(5000, 10000); 8146 } 8147 return -EINVAL; 8148 } 8149 8150 static void bnx2x_8727_power_module(struct bnx2x *bp, 8151 struct bnx2x_phy *phy, 8152 u8 is_power_up) { 8153 /* Make sure GPIOs are not using for LED mode */ 8154 u16 val; 8155 /* In the GPIO register, bit 4 is use to determine if the GPIOs are 8156 * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for 8157 * output 8158 * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0 8159 * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1 8160 * where the 1st bit is the over-current(only input), and 2nd bit is 8161 * for power( only output ) 8162 * 8163 * In case of NOC feature is disabled and power is up, set GPIO control 8164 * as input to enable listening of over-current indication 8165 */ 8166 if (phy->flags & FLAGS_NOC) 8167 return; 8168 if (is_power_up) 8169 val = (1<<4); 8170 else 8171 /* Set GPIO control to OUTPUT, and set the power bit 8172 * to according to the is_power_up 8173 */ 8174 val = (1<<1); 8175 8176 bnx2x_cl45_write(bp, phy, 8177 MDIO_PMA_DEVAD, 8178 MDIO_PMA_REG_8727_GPIO_CTRL, 8179 val); 8180 } 8181 8182 static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp, 8183 struct bnx2x_phy *phy, 8184 u16 edc_mode) 8185 { 8186 u16 cur_limiting_mode; 8187 8188 bnx2x_cl45_read(bp, phy, 8189 MDIO_PMA_DEVAD, 8190 MDIO_PMA_REG_ROM_VER2, 8191 &cur_limiting_mode); 8192 DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n", 8193 cur_limiting_mode); 8194 8195 if (edc_mode == EDC_MODE_LIMITING) { 8196 DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n"); 8197 bnx2x_cl45_write(bp, phy, 8198 MDIO_PMA_DEVAD, 8199 MDIO_PMA_REG_ROM_VER2, 8200 EDC_MODE_LIMITING); 8201 } else { /* LRM mode ( default )*/ 8202 8203 DP(NETIF_MSG_LINK, "Setting LRM MODE\n"); 8204 8205 /* Changing to LRM mode takes quite few seconds. So do it only 8206 * if current mode is limiting (default is LRM) 8207 */ 8208 if (cur_limiting_mode != EDC_MODE_LIMITING) 8209 return 0; 8210 8211 bnx2x_cl45_write(bp, phy, 8212 MDIO_PMA_DEVAD, 8213 MDIO_PMA_REG_LRM_MODE, 8214 0); 8215 bnx2x_cl45_write(bp, phy, 8216 MDIO_PMA_DEVAD, 8217 MDIO_PMA_REG_ROM_VER2, 8218 0x128); 8219 bnx2x_cl45_write(bp, phy, 8220 MDIO_PMA_DEVAD, 8221 MDIO_PMA_REG_MISC_CTRL0, 8222 0x4008); 8223 bnx2x_cl45_write(bp, phy, 8224 MDIO_PMA_DEVAD, 8225 MDIO_PMA_REG_LRM_MODE, 8226 0xaaaa); 8227 } 8228 return 0; 8229 } 8230 8231 static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp, 8232 struct bnx2x_phy *phy, 8233 u16 edc_mode) 8234 { 8235 u16 phy_identifier; 8236 u16 rom_ver2_val; 8237 bnx2x_cl45_read(bp, phy, 8238 MDIO_PMA_DEVAD, 8239 MDIO_PMA_REG_PHY_IDENTIFIER, 8240 &phy_identifier); 8241 8242 bnx2x_cl45_write(bp, phy, 8243 MDIO_PMA_DEVAD, 8244 MDIO_PMA_REG_PHY_IDENTIFIER, 8245 (phy_identifier & ~(1<<9))); 8246 8247 bnx2x_cl45_read(bp, phy, 8248 MDIO_PMA_DEVAD, 8249 MDIO_PMA_REG_ROM_VER2, 8250 &rom_ver2_val); 8251 /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */ 8252 bnx2x_cl45_write(bp, phy, 8253 MDIO_PMA_DEVAD, 8254 MDIO_PMA_REG_ROM_VER2, 8255 (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff)); 8256 8257 bnx2x_cl45_write(bp, phy, 8258 MDIO_PMA_DEVAD, 8259 MDIO_PMA_REG_PHY_IDENTIFIER, 8260 (phy_identifier | (1<<9))); 8261 8262 return 0; 8263 } 8264 8265 static void bnx2x_8727_specific_func(struct bnx2x_phy *phy, 8266 struct link_params *params, 8267 u32 action) 8268 { 8269 struct bnx2x *bp = params->bp; 8270 8271 switch (action) { 8272 case DISABLE_TX: 8273 bnx2x_sfp_set_transmitter(params, phy, 0); 8274 break; 8275 case ENABLE_TX: 8276 if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) 8277 bnx2x_sfp_set_transmitter(params, phy, 1); 8278 break; 8279 default: 8280 DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n", 8281 action); 8282 return; 8283 } 8284 } 8285 8286 static void bnx2x_set_e1e2_module_fault_led(struct link_params *params, 8287 u8 gpio_mode) 8288 { 8289 struct bnx2x *bp = params->bp; 8290 8291 u32 fault_led_gpio = REG_RD(bp, params->shmem_base + 8292 offsetof(struct shmem_region, 8293 dev_info.port_hw_config[params->port].sfp_ctrl)) & 8294 PORT_HW_CFG_FAULT_MODULE_LED_MASK; 8295 switch (fault_led_gpio) { 8296 case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED: 8297 return; 8298 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0: 8299 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1: 8300 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2: 8301 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3: 8302 { 8303 u8 gpio_port = bnx2x_get_gpio_port(params); 8304 u16 gpio_pin = fault_led_gpio - 8305 PORT_HW_CFG_FAULT_MODULE_LED_GPIO0; 8306 DP(NETIF_MSG_LINK, "Set fault module-detected led " 8307 "pin %x port %x mode %x\n", 8308 gpio_pin, gpio_port, gpio_mode); 8309 bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port); 8310 } 8311 break; 8312 default: 8313 DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n", 8314 fault_led_gpio); 8315 } 8316 } 8317 8318 static void bnx2x_set_e3_module_fault_led(struct link_params *params, 8319 u8 gpio_mode) 8320 { 8321 u32 pin_cfg; 8322 u8 port = params->port; 8323 struct bnx2x *bp = params->bp; 8324 pin_cfg = (REG_RD(bp, params->shmem_base + 8325 offsetof(struct shmem_region, 8326 dev_info.port_hw_config[port].e3_sfp_ctrl)) & 8327 PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >> 8328 PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT; 8329 DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n", 8330 gpio_mode, pin_cfg); 8331 bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode); 8332 } 8333 8334 static void bnx2x_set_sfp_module_fault_led(struct link_params *params, 8335 u8 gpio_mode) 8336 { 8337 struct bnx2x *bp = params->bp; 8338 DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode); 8339 if (CHIP_IS_E3(bp)) { 8340 /* Low ==> if SFP+ module is supported otherwise 8341 * High ==> if SFP+ module is not on the approved vendor list 8342 */ 8343 bnx2x_set_e3_module_fault_led(params, gpio_mode); 8344 } else 8345 bnx2x_set_e1e2_module_fault_led(params, gpio_mode); 8346 } 8347 8348 static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy, 8349 struct link_params *params) 8350 { 8351 struct bnx2x *bp = params->bp; 8352 bnx2x_warpcore_power_module(params, phy, 0); 8353 /* Put Warpcore in low power mode */ 8354 REG_WR(bp, MISC_REG_WC0_RESET, 0x0c0e); 8355 8356 /* Put LCPLL in low power mode */ 8357 REG_WR(bp, MISC_REG_LCPLL_E40_PWRDWN, 1); 8358 REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_ANA, 0); 8359 REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_DIG, 0); 8360 } 8361 8362 static void bnx2x_power_sfp_module(struct link_params *params, 8363 struct bnx2x_phy *phy, 8364 u8 power) 8365 { 8366 struct bnx2x *bp = params->bp; 8367 DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power); 8368 8369 switch (phy->type) { 8370 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727: 8371 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722: 8372 bnx2x_8727_power_module(params->bp, phy, power); 8373 break; 8374 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT: 8375 bnx2x_warpcore_power_module(params, phy, power); 8376 break; 8377 default: 8378 break; 8379 } 8380 } 8381 static void bnx2x_warpcore_set_limiting_mode(struct link_params *params, 8382 struct bnx2x_phy *phy, 8383 u16 edc_mode) 8384 { 8385 u16 val = 0; 8386 u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT; 8387 struct bnx2x *bp = params->bp; 8388 8389 u8 lane = bnx2x_get_warpcore_lane(phy, params); 8390 /* This is a global register which controls all lanes */ 8391 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 8392 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val); 8393 val &= ~(0xf << (lane << 2)); 8394 8395 switch (edc_mode) { 8396 case EDC_MODE_LINEAR: 8397 case EDC_MODE_LIMITING: 8398 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT; 8399 break; 8400 case EDC_MODE_PASSIVE_DAC: 8401 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC; 8402 break; 8403 default: 8404 break; 8405 } 8406 8407 val |= (mode << (lane << 2)); 8408 bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, 8409 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val); 8410 /* A must read */ 8411 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 8412 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val); 8413 8414 /* Restart microcode to re-read the new mode */ 8415 bnx2x_warpcore_reset_lane(bp, phy, 1); 8416 bnx2x_warpcore_reset_lane(bp, phy, 0); 8417 8418 } 8419 8420 static void bnx2x_set_limiting_mode(struct link_params *params, 8421 struct bnx2x_phy *phy, 8422 u16 edc_mode) 8423 { 8424 switch (phy->type) { 8425 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726: 8426 bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode); 8427 break; 8428 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727: 8429 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722: 8430 bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode); 8431 break; 8432 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT: 8433 bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode); 8434 break; 8435 } 8436 } 8437 8438 int bnx2x_sfp_module_detection(struct bnx2x_phy *phy, 8439 struct link_params *params) 8440 { 8441 struct bnx2x *bp = params->bp; 8442 u16 edc_mode; 8443 int rc = 0; 8444 8445 u32 val = REG_RD(bp, params->shmem_base + 8446 offsetof(struct shmem_region, dev_info. 8447 port_feature_config[params->port].config)); 8448 8449 DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n", 8450 params->port); 8451 /* Power up module */ 8452 bnx2x_power_sfp_module(params, phy, 1); 8453 if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) { 8454 DP(NETIF_MSG_LINK, "Failed to get valid module type\n"); 8455 return -EINVAL; 8456 } else if (bnx2x_verify_sfp_module(phy, params) != 0) { 8457 /* Check SFP+ module compatibility */ 8458 DP(NETIF_MSG_LINK, "Module verification failed!!\n"); 8459 rc = -EINVAL; 8460 /* Turn on fault module-detected led */ 8461 bnx2x_set_sfp_module_fault_led(params, 8462 MISC_REGISTERS_GPIO_HIGH); 8463 8464 /* Check if need to power down the SFP+ module */ 8465 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) == 8466 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) { 8467 DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n"); 8468 bnx2x_power_sfp_module(params, phy, 0); 8469 return rc; 8470 } 8471 } else { 8472 /* Turn off fault module-detected led */ 8473 bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW); 8474 } 8475 8476 /* Check and set limiting mode / LRM mode on 8726. On 8727 it 8477 * is done automatically 8478 */ 8479 bnx2x_set_limiting_mode(params, phy, edc_mode); 8480 8481 /* Enable transmit for this module if the module is approved, or 8482 * if unapproved modules should also enable the Tx laser 8483 */ 8484 if (rc == 0 || 8485 (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) != 8486 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER) 8487 bnx2x_sfp_set_transmitter(params, phy, 1); 8488 else 8489 bnx2x_sfp_set_transmitter(params, phy, 0); 8490 8491 return rc; 8492 } 8493 8494 void bnx2x_handle_module_detect_int(struct link_params *params) 8495 { 8496 struct bnx2x *bp = params->bp; 8497 struct bnx2x_phy *phy; 8498 u32 gpio_val; 8499 u8 gpio_num, gpio_port; 8500 if (CHIP_IS_E3(bp)) 8501 phy = ¶ms->phy[INT_PHY]; 8502 else 8503 phy = ¶ms->phy[EXT_PHY1]; 8504 8505 if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base, 8506 params->port, &gpio_num, &gpio_port) == 8507 -EINVAL) { 8508 DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n"); 8509 return; 8510 } 8511 8512 /* Set valid module led off */ 8513 bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH); 8514 8515 /* Get current gpio val reflecting module plugged in / out*/ 8516 gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port); 8517 8518 /* Call the handling function in case module is detected */ 8519 if (gpio_val == 0) { 8520 bnx2x_set_mdio_clk(bp, params->chip_id, params->port); 8521 bnx2x_set_aer_mmd(params, phy); 8522 8523 bnx2x_power_sfp_module(params, phy, 1); 8524 bnx2x_set_gpio_int(bp, gpio_num, 8525 MISC_REGISTERS_GPIO_INT_OUTPUT_CLR, 8526 gpio_port); 8527 if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0) { 8528 bnx2x_sfp_module_detection(phy, params); 8529 if (CHIP_IS_E3(bp)) { 8530 u16 rx_tx_in_reset; 8531 /* In case WC is out of reset, reconfigure the 8532 * link speed while taking into account 1G 8533 * module limitation. 8534 */ 8535 bnx2x_cl45_read(bp, phy, 8536 MDIO_WC_DEVAD, 8537 MDIO_WC_REG_DIGITAL5_MISC6, 8538 &rx_tx_in_reset); 8539 if (!rx_tx_in_reset) { 8540 bnx2x_warpcore_reset_lane(bp, phy, 1); 8541 bnx2x_warpcore_config_sfi(phy, params); 8542 bnx2x_warpcore_reset_lane(bp, phy, 0); 8543 } 8544 } 8545 } else { 8546 DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n"); 8547 } 8548 } else { 8549 u32 val = REG_RD(bp, params->shmem_base + 8550 offsetof(struct shmem_region, dev_info. 8551 port_feature_config[params->port]. 8552 config)); 8553 bnx2x_set_gpio_int(bp, gpio_num, 8554 MISC_REGISTERS_GPIO_INT_OUTPUT_SET, 8555 gpio_port); 8556 /* Module was plugged out. 8557 * Disable transmit for this module 8558 */ 8559 phy->media_type = ETH_PHY_NOT_PRESENT; 8560 if (((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) == 8561 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER) || 8562 CHIP_IS_E3(bp)) 8563 bnx2x_sfp_set_transmitter(params, phy, 0); 8564 } 8565 } 8566 8567 /******************************************************************/ 8568 /* Used by 8706 and 8727 */ 8569 /******************************************************************/ 8570 static void bnx2x_sfp_mask_fault(struct bnx2x *bp, 8571 struct bnx2x_phy *phy, 8572 u16 alarm_status_offset, 8573 u16 alarm_ctrl_offset) 8574 { 8575 u16 alarm_status, val; 8576 bnx2x_cl45_read(bp, phy, 8577 MDIO_PMA_DEVAD, alarm_status_offset, 8578 &alarm_status); 8579 bnx2x_cl45_read(bp, phy, 8580 MDIO_PMA_DEVAD, alarm_status_offset, 8581 &alarm_status); 8582 /* Mask or enable the fault event. */ 8583 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val); 8584 if (alarm_status & (1<<0)) 8585 val &= ~(1<<0); 8586 else 8587 val |= (1<<0); 8588 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val); 8589 } 8590 /******************************************************************/ 8591 /* common BCM8706/BCM8726 PHY SECTION */ 8592 /******************************************************************/ 8593 static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy, 8594 struct link_params *params, 8595 struct link_vars *vars) 8596 { 8597 u8 link_up = 0; 8598 u16 val1, val2, rx_sd, pcs_status; 8599 struct bnx2x *bp = params->bp; 8600 DP(NETIF_MSG_LINK, "XGXS 8706/8726\n"); 8601 /* Clear RX Alarm*/ 8602 bnx2x_cl45_read(bp, phy, 8603 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2); 8604 8605 bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT, 8606 MDIO_PMA_LASI_TXCTRL); 8607 8608 /* Clear LASI indication*/ 8609 bnx2x_cl45_read(bp, phy, 8610 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1); 8611 bnx2x_cl45_read(bp, phy, 8612 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2); 8613 DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2); 8614 8615 bnx2x_cl45_read(bp, phy, 8616 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd); 8617 bnx2x_cl45_read(bp, phy, 8618 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status); 8619 bnx2x_cl45_read(bp, phy, 8620 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2); 8621 bnx2x_cl45_read(bp, phy, 8622 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2); 8623 8624 DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps" 8625 " link_status 0x%x\n", rx_sd, pcs_status, val2); 8626 /* Link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status 8627 * are set, or if the autoneg bit 1 is set 8628 */ 8629 link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1))); 8630 if (link_up) { 8631 if (val2 & (1<<1)) 8632 vars->line_speed = SPEED_1000; 8633 else 8634 vars->line_speed = SPEED_10000; 8635 bnx2x_ext_phy_resolve_fc(phy, params, vars); 8636 vars->duplex = DUPLEX_FULL; 8637 } 8638 8639 /* Capture 10G link fault. Read twice to clear stale value. */ 8640 if (vars->line_speed == SPEED_10000) { 8641 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 8642 MDIO_PMA_LASI_TXSTAT, &val1); 8643 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 8644 MDIO_PMA_LASI_TXSTAT, &val1); 8645 if (val1 & (1<<0)) 8646 vars->fault_detected = 1; 8647 } 8648 8649 return link_up; 8650 } 8651 8652 /******************************************************************/ 8653 /* BCM8706 PHY SECTION */ 8654 /******************************************************************/ 8655 static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy, 8656 struct link_params *params, 8657 struct link_vars *vars) 8658 { 8659 u32 tx_en_mode; 8660 u16 cnt, val, tmp1; 8661 struct bnx2x *bp = params->bp; 8662 8663 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, 8664 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port); 8665 /* HW reset */ 8666 bnx2x_ext_phy_hw_reset(bp, params->port); 8667 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040); 8668 bnx2x_wait_reset_complete(bp, phy, params); 8669 8670 /* Wait until fw is loaded */ 8671 for (cnt = 0; cnt < 100; cnt++) { 8672 bnx2x_cl45_read(bp, phy, 8673 MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val); 8674 if (val) 8675 break; 8676 usleep_range(10000, 20000); 8677 } 8678 DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt); 8679 if ((params->feature_config_flags & 8680 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) { 8681 u8 i; 8682 u16 reg; 8683 for (i = 0; i < 4; i++) { 8684 reg = MDIO_XS_8706_REG_BANK_RX0 + 8685 i*(MDIO_XS_8706_REG_BANK_RX1 - 8686 MDIO_XS_8706_REG_BANK_RX0); 8687 bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val); 8688 /* Clear first 3 bits of the control */ 8689 val &= ~0x7; 8690 /* Set control bits according to configuration */ 8691 val |= (phy->rx_preemphasis[i] & 0x7); 8692 DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706" 8693 " reg 0x%x <-- val 0x%x\n", reg, val); 8694 bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val); 8695 } 8696 } 8697 /* Force speed */ 8698 if (phy->req_line_speed == SPEED_10000) { 8699 DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n"); 8700 8701 bnx2x_cl45_write(bp, phy, 8702 MDIO_PMA_DEVAD, 8703 MDIO_PMA_REG_DIGITAL_CTRL, 0x400); 8704 bnx2x_cl45_write(bp, phy, 8705 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL, 8706 0); 8707 /* Arm LASI for link and Tx fault. */ 8708 bnx2x_cl45_write(bp, phy, 8709 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3); 8710 } else { 8711 /* Force 1Gbps using autoneg with 1G advertisement */ 8712 8713 /* Allow CL37 through CL73 */ 8714 DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n"); 8715 bnx2x_cl45_write(bp, phy, 8716 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c); 8717 8718 /* Enable Full-Duplex advertisement on CL37 */ 8719 bnx2x_cl45_write(bp, phy, 8720 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020); 8721 /* Enable CL37 AN */ 8722 bnx2x_cl45_write(bp, phy, 8723 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000); 8724 /* 1G support */ 8725 bnx2x_cl45_write(bp, phy, 8726 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5)); 8727 8728 /* Enable clause 73 AN */ 8729 bnx2x_cl45_write(bp, phy, 8730 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200); 8731 bnx2x_cl45_write(bp, phy, 8732 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, 8733 0x0400); 8734 bnx2x_cl45_write(bp, phy, 8735 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 8736 0x0004); 8737 } 8738 bnx2x_save_bcm_spirom_ver(bp, phy, params->port); 8739 8740 /* If TX Laser is controlled by GPIO_0, do not let PHY go into low 8741 * power mode, if TX Laser is disabled 8742 */ 8743 8744 tx_en_mode = REG_RD(bp, params->shmem_base + 8745 offsetof(struct shmem_region, 8746 dev_info.port_hw_config[params->port].sfp_ctrl)) 8747 & PORT_HW_CFG_TX_LASER_MASK; 8748 8749 if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) { 8750 DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n"); 8751 bnx2x_cl45_read(bp, phy, 8752 MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1); 8753 tmp1 |= 0x1; 8754 bnx2x_cl45_write(bp, phy, 8755 MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1); 8756 } 8757 8758 return 0; 8759 } 8760 8761 static int bnx2x_8706_read_status(struct bnx2x_phy *phy, 8762 struct link_params *params, 8763 struct link_vars *vars) 8764 { 8765 return bnx2x_8706_8726_read_status(phy, params, vars); 8766 } 8767 8768 /******************************************************************/ 8769 /* BCM8726 PHY SECTION */ 8770 /******************************************************************/ 8771 static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy, 8772 struct link_params *params) 8773 { 8774 struct bnx2x *bp = params->bp; 8775 DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n"); 8776 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001); 8777 } 8778 8779 static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy, 8780 struct link_params *params) 8781 { 8782 struct bnx2x *bp = params->bp; 8783 /* Need to wait 100ms after reset */ 8784 msleep(100); 8785 8786 /* Micro controller re-boot */ 8787 bnx2x_cl45_write(bp, phy, 8788 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B); 8789 8790 /* Set soft reset */ 8791 bnx2x_cl45_write(bp, phy, 8792 MDIO_PMA_DEVAD, 8793 MDIO_PMA_REG_GEN_CTRL, 8794 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET); 8795 8796 bnx2x_cl45_write(bp, phy, 8797 MDIO_PMA_DEVAD, 8798 MDIO_PMA_REG_MISC_CTRL1, 0x0001); 8799 8800 bnx2x_cl45_write(bp, phy, 8801 MDIO_PMA_DEVAD, 8802 MDIO_PMA_REG_GEN_CTRL, 8803 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP); 8804 8805 /* Wait for 150ms for microcode load */ 8806 msleep(150); 8807 8808 /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */ 8809 bnx2x_cl45_write(bp, phy, 8810 MDIO_PMA_DEVAD, 8811 MDIO_PMA_REG_MISC_CTRL1, 0x0000); 8812 8813 msleep(200); 8814 bnx2x_save_bcm_spirom_ver(bp, phy, params->port); 8815 } 8816 8817 static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy, 8818 struct link_params *params, 8819 struct link_vars *vars) 8820 { 8821 struct bnx2x *bp = params->bp; 8822 u16 val1; 8823 u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars); 8824 if (link_up) { 8825 bnx2x_cl45_read(bp, phy, 8826 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 8827 &val1); 8828 if (val1 & (1<<15)) { 8829 DP(NETIF_MSG_LINK, "Tx is disabled\n"); 8830 link_up = 0; 8831 vars->line_speed = 0; 8832 } 8833 } 8834 return link_up; 8835 } 8836 8837 8838 static int bnx2x_8726_config_init(struct bnx2x_phy *phy, 8839 struct link_params *params, 8840 struct link_vars *vars) 8841 { 8842 struct bnx2x *bp = params->bp; 8843 DP(NETIF_MSG_LINK, "Initializing BCM8726\n"); 8844 8845 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15); 8846 bnx2x_wait_reset_complete(bp, phy, params); 8847 8848 bnx2x_8726_external_rom_boot(phy, params); 8849 8850 /* Need to call module detected on initialization since the module 8851 * detection triggered by actual module insertion might occur before 8852 * driver is loaded, and when driver is loaded, it reset all 8853 * registers, including the transmitter 8854 */ 8855 bnx2x_sfp_module_detection(phy, params); 8856 8857 if (phy->req_line_speed == SPEED_1000) { 8858 DP(NETIF_MSG_LINK, "Setting 1G force\n"); 8859 bnx2x_cl45_write(bp, phy, 8860 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40); 8861 bnx2x_cl45_write(bp, phy, 8862 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD); 8863 bnx2x_cl45_write(bp, phy, 8864 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5); 8865 bnx2x_cl45_write(bp, phy, 8866 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, 8867 0x400); 8868 } else if ((phy->req_line_speed == SPEED_AUTO_NEG) && 8869 (phy->speed_cap_mask & 8870 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) && 8871 ((phy->speed_cap_mask & 8872 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) != 8873 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) { 8874 DP(NETIF_MSG_LINK, "Setting 1G clause37\n"); 8875 /* Set Flow control */ 8876 bnx2x_ext_phy_set_pause(params, phy, vars); 8877 bnx2x_cl45_write(bp, phy, 8878 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20); 8879 bnx2x_cl45_write(bp, phy, 8880 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c); 8881 bnx2x_cl45_write(bp, phy, 8882 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020); 8883 bnx2x_cl45_write(bp, phy, 8884 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000); 8885 bnx2x_cl45_write(bp, phy, 8886 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200); 8887 /* Enable RX-ALARM control to receive interrupt for 1G speed 8888 * change 8889 */ 8890 bnx2x_cl45_write(bp, phy, 8891 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4); 8892 bnx2x_cl45_write(bp, phy, 8893 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, 8894 0x400); 8895 8896 } else { /* Default 10G. Set only LASI control */ 8897 bnx2x_cl45_write(bp, phy, 8898 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1); 8899 } 8900 8901 /* Set TX PreEmphasis if needed */ 8902 if ((params->feature_config_flags & 8903 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) { 8904 DP(NETIF_MSG_LINK, 8905 "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n", 8906 phy->tx_preemphasis[0], 8907 phy->tx_preemphasis[1]); 8908 bnx2x_cl45_write(bp, phy, 8909 MDIO_PMA_DEVAD, 8910 MDIO_PMA_REG_8726_TX_CTRL1, 8911 phy->tx_preemphasis[0]); 8912 8913 bnx2x_cl45_write(bp, phy, 8914 MDIO_PMA_DEVAD, 8915 MDIO_PMA_REG_8726_TX_CTRL2, 8916 phy->tx_preemphasis[1]); 8917 } 8918 8919 return 0; 8920 8921 } 8922 8923 static void bnx2x_8726_link_reset(struct bnx2x_phy *phy, 8924 struct link_params *params) 8925 { 8926 struct bnx2x *bp = params->bp; 8927 DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port); 8928 /* Set serial boot control for external load */ 8929 bnx2x_cl45_write(bp, phy, 8930 MDIO_PMA_DEVAD, 8931 MDIO_PMA_REG_GEN_CTRL, 0x0001); 8932 } 8933 8934 /******************************************************************/ 8935 /* BCM8727 PHY SECTION */ 8936 /******************************************************************/ 8937 8938 static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy, 8939 struct link_params *params, u8 mode) 8940 { 8941 struct bnx2x *bp = params->bp; 8942 u16 led_mode_bitmask = 0; 8943 u16 gpio_pins_bitmask = 0; 8944 u16 val; 8945 /* Only NOC flavor requires to set the LED specifically */ 8946 if (!(phy->flags & FLAGS_NOC)) 8947 return; 8948 switch (mode) { 8949 case LED_MODE_FRONT_PANEL_OFF: 8950 case LED_MODE_OFF: 8951 led_mode_bitmask = 0; 8952 gpio_pins_bitmask = 0x03; 8953 break; 8954 case LED_MODE_ON: 8955 led_mode_bitmask = 0; 8956 gpio_pins_bitmask = 0x02; 8957 break; 8958 case LED_MODE_OPER: 8959 led_mode_bitmask = 0x60; 8960 gpio_pins_bitmask = 0x11; 8961 break; 8962 } 8963 bnx2x_cl45_read(bp, phy, 8964 MDIO_PMA_DEVAD, 8965 MDIO_PMA_REG_8727_PCS_OPT_CTRL, 8966 &val); 8967 val &= 0xff8f; 8968 val |= led_mode_bitmask; 8969 bnx2x_cl45_write(bp, phy, 8970 MDIO_PMA_DEVAD, 8971 MDIO_PMA_REG_8727_PCS_OPT_CTRL, 8972 val); 8973 bnx2x_cl45_read(bp, phy, 8974 MDIO_PMA_DEVAD, 8975 MDIO_PMA_REG_8727_GPIO_CTRL, 8976 &val); 8977 val &= 0xffe0; 8978 val |= gpio_pins_bitmask; 8979 bnx2x_cl45_write(bp, phy, 8980 MDIO_PMA_DEVAD, 8981 MDIO_PMA_REG_8727_GPIO_CTRL, 8982 val); 8983 } 8984 static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy, 8985 struct link_params *params) { 8986 u32 swap_val, swap_override; 8987 u8 port; 8988 /* The PHY reset is controlled by GPIO 1. Fake the port number 8989 * to cancel the swap done in set_gpio() 8990 */ 8991 struct bnx2x *bp = params->bp; 8992 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP); 8993 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE); 8994 port = (swap_val && swap_override) ^ 1; 8995 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1, 8996 MISC_REGISTERS_GPIO_OUTPUT_LOW, port); 8997 } 8998 8999 static void bnx2x_8727_config_speed(struct bnx2x_phy *phy, 9000 struct link_params *params) 9001 { 9002 struct bnx2x *bp = params->bp; 9003 u16 tmp1, val; 9004 /* Set option 1G speed */ 9005 if ((phy->req_line_speed == SPEED_1000) || 9006 (phy->media_type == ETH_PHY_SFP_1G_FIBER)) { 9007 DP(NETIF_MSG_LINK, "Setting 1G force\n"); 9008 bnx2x_cl45_write(bp, phy, 9009 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40); 9010 bnx2x_cl45_write(bp, phy, 9011 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD); 9012 bnx2x_cl45_read(bp, phy, 9013 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1); 9014 DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1); 9015 /* Power down the XAUI until link is up in case of dual-media 9016 * and 1G 9017 */ 9018 if (DUAL_MEDIA(params)) { 9019 bnx2x_cl45_read(bp, phy, 9020 MDIO_PMA_DEVAD, 9021 MDIO_PMA_REG_8727_PCS_GP, &val); 9022 val |= (3<<10); 9023 bnx2x_cl45_write(bp, phy, 9024 MDIO_PMA_DEVAD, 9025 MDIO_PMA_REG_8727_PCS_GP, val); 9026 } 9027 } else if ((phy->req_line_speed == SPEED_AUTO_NEG) && 9028 ((phy->speed_cap_mask & 9029 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) && 9030 ((phy->speed_cap_mask & 9031 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) != 9032 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) { 9033 9034 DP(NETIF_MSG_LINK, "Setting 1G clause37\n"); 9035 bnx2x_cl45_write(bp, phy, 9036 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0); 9037 bnx2x_cl45_write(bp, phy, 9038 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300); 9039 } else { 9040 /* Since the 8727 has only single reset pin, need to set the 10G 9041 * registers although it is default 9042 */ 9043 bnx2x_cl45_write(bp, phy, 9044 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 9045 0x0020); 9046 bnx2x_cl45_write(bp, phy, 9047 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100); 9048 bnx2x_cl45_write(bp, phy, 9049 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040); 9050 bnx2x_cl45_write(bp, phy, 9051 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 9052 0x0008); 9053 } 9054 } 9055 9056 static int bnx2x_8727_config_init(struct bnx2x_phy *phy, 9057 struct link_params *params, 9058 struct link_vars *vars) 9059 { 9060 u32 tx_en_mode; 9061 u16 tmp1, val, mod_abs, tmp2; 9062 u16 rx_alarm_ctrl_val; 9063 u16 lasi_ctrl_val; 9064 struct bnx2x *bp = params->bp; 9065 /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */ 9066 9067 bnx2x_wait_reset_complete(bp, phy, params); 9068 rx_alarm_ctrl_val = (1<<2) | (1<<5) ; 9069 /* Should be 0x6 to enable XS on Tx side. */ 9070 lasi_ctrl_val = 0x0006; 9071 9072 DP(NETIF_MSG_LINK, "Initializing BCM8727\n"); 9073 /* Enable LASI */ 9074 bnx2x_cl45_write(bp, phy, 9075 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, 9076 rx_alarm_ctrl_val); 9077 bnx2x_cl45_write(bp, phy, 9078 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL, 9079 0); 9080 bnx2x_cl45_write(bp, phy, 9081 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, lasi_ctrl_val); 9082 9083 /* Initially configure MOD_ABS to interrupt when module is 9084 * presence( bit 8) 9085 */ 9086 bnx2x_cl45_read(bp, phy, 9087 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs); 9088 /* Set EDC off by setting OPTXLOS signal input to low (bit 9). 9089 * When the EDC is off it locks onto a reference clock and avoids 9090 * becoming 'lost' 9091 */ 9092 mod_abs &= ~(1<<8); 9093 if (!(phy->flags & FLAGS_NOC)) 9094 mod_abs &= ~(1<<9); 9095 bnx2x_cl45_write(bp, phy, 9096 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs); 9097 9098 9099 /* Enable/Disable PHY transmitter output */ 9100 bnx2x_set_disable_pmd_transmit(params, phy, 0); 9101 9102 /* Make MOD_ABS give interrupt on change */ 9103 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, 9104 &val); 9105 val |= (1<<12); 9106 if (phy->flags & FLAGS_NOC) 9107 val |= (3<<5); 9108 9109 /* Set 8727 GPIOs to input to allow reading from the 8727 GPIO0 9110 * status which reflect SFP+ module over-current 9111 */ 9112 if (!(phy->flags & FLAGS_NOC)) 9113 val &= 0xff8f; /* Reset bits 4-6 */ 9114 bnx2x_cl45_write(bp, phy, 9115 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, val); 9116 9117 bnx2x_8727_power_module(bp, phy, 1); 9118 9119 bnx2x_cl45_read(bp, phy, 9120 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1); 9121 9122 bnx2x_cl45_read(bp, phy, 9123 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1); 9124 9125 bnx2x_8727_config_speed(phy, params); 9126 /* Set 2-wire transfer rate of SFP+ module EEPROM 9127 * to 100Khz since some DACs(direct attached cables) do 9128 * not work at 400Khz. 9129 */ 9130 bnx2x_cl45_write(bp, phy, 9131 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR, 9132 0xa001); 9133 9134 /* Set TX PreEmphasis if needed */ 9135 if ((params->feature_config_flags & 9136 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) { 9137 DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n", 9138 phy->tx_preemphasis[0], 9139 phy->tx_preemphasis[1]); 9140 bnx2x_cl45_write(bp, phy, 9141 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1, 9142 phy->tx_preemphasis[0]); 9143 9144 bnx2x_cl45_write(bp, phy, 9145 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2, 9146 phy->tx_preemphasis[1]); 9147 } 9148 9149 /* If TX Laser is controlled by GPIO_0, do not let PHY go into low 9150 * power mode, if TX Laser is disabled 9151 */ 9152 tx_en_mode = REG_RD(bp, params->shmem_base + 9153 offsetof(struct shmem_region, 9154 dev_info.port_hw_config[params->port].sfp_ctrl)) 9155 & PORT_HW_CFG_TX_LASER_MASK; 9156 9157 if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) { 9158 9159 DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n"); 9160 bnx2x_cl45_read(bp, phy, 9161 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2); 9162 tmp2 |= 0x1000; 9163 tmp2 &= 0xFFEF; 9164 bnx2x_cl45_write(bp, phy, 9165 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2); 9166 bnx2x_cl45_read(bp, phy, 9167 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 9168 &tmp2); 9169 bnx2x_cl45_write(bp, phy, 9170 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 9171 (tmp2 & 0x7fff)); 9172 } 9173 9174 return 0; 9175 } 9176 9177 static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy, 9178 struct link_params *params) 9179 { 9180 struct bnx2x *bp = params->bp; 9181 u16 mod_abs, rx_alarm_status; 9182 u32 val = REG_RD(bp, params->shmem_base + 9183 offsetof(struct shmem_region, dev_info. 9184 port_feature_config[params->port]. 9185 config)); 9186 bnx2x_cl45_read(bp, phy, 9187 MDIO_PMA_DEVAD, 9188 MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs); 9189 if (mod_abs & (1<<8)) { 9190 9191 /* Module is absent */ 9192 DP(NETIF_MSG_LINK, 9193 "MOD_ABS indication show module is absent\n"); 9194 phy->media_type = ETH_PHY_NOT_PRESENT; 9195 /* 1. Set mod_abs to detect next module 9196 * presence event 9197 * 2. Set EDC off by setting OPTXLOS signal input to low 9198 * (bit 9). 9199 * When the EDC is off it locks onto a reference clock and 9200 * avoids becoming 'lost'. 9201 */ 9202 mod_abs &= ~(1<<8); 9203 if (!(phy->flags & FLAGS_NOC)) 9204 mod_abs &= ~(1<<9); 9205 bnx2x_cl45_write(bp, phy, 9206 MDIO_PMA_DEVAD, 9207 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs); 9208 9209 /* Clear RX alarm since it stays up as long as 9210 * the mod_abs wasn't changed 9211 */ 9212 bnx2x_cl45_read(bp, phy, 9213 MDIO_PMA_DEVAD, 9214 MDIO_PMA_LASI_RXSTAT, &rx_alarm_status); 9215 9216 } else { 9217 /* Module is present */ 9218 DP(NETIF_MSG_LINK, 9219 "MOD_ABS indication show module is present\n"); 9220 /* First disable transmitter, and if the module is ok, the 9221 * module_detection will enable it 9222 * 1. Set mod_abs to detect next module absent event ( bit 8) 9223 * 2. Restore the default polarity of the OPRXLOS signal and 9224 * this signal will then correctly indicate the presence or 9225 * absence of the Rx signal. (bit 9) 9226 */ 9227 mod_abs |= (1<<8); 9228 if (!(phy->flags & FLAGS_NOC)) 9229 mod_abs |= (1<<9); 9230 bnx2x_cl45_write(bp, phy, 9231 MDIO_PMA_DEVAD, 9232 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs); 9233 9234 /* Clear RX alarm since it stays up as long as the mod_abs 9235 * wasn't changed. This is need to be done before calling the 9236 * module detection, otherwise it will clear* the link update 9237 * alarm 9238 */ 9239 bnx2x_cl45_read(bp, phy, 9240 MDIO_PMA_DEVAD, 9241 MDIO_PMA_LASI_RXSTAT, &rx_alarm_status); 9242 9243 9244 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) == 9245 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER) 9246 bnx2x_sfp_set_transmitter(params, phy, 0); 9247 9248 if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0) 9249 bnx2x_sfp_module_detection(phy, params); 9250 else 9251 DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n"); 9252 9253 /* Reconfigure link speed based on module type limitations */ 9254 bnx2x_8727_config_speed(phy, params); 9255 } 9256 9257 DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", 9258 rx_alarm_status); 9259 /* No need to check link status in case of module plugged in/out */ 9260 } 9261 9262 static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy, 9263 struct link_params *params, 9264 struct link_vars *vars) 9265 9266 { 9267 struct bnx2x *bp = params->bp; 9268 u8 link_up = 0, oc_port = params->port; 9269 u16 link_status = 0; 9270 u16 rx_alarm_status, lasi_ctrl, val1; 9271 9272 /* If PHY is not initialized, do not check link status */ 9273 bnx2x_cl45_read(bp, phy, 9274 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 9275 &lasi_ctrl); 9276 if (!lasi_ctrl) 9277 return 0; 9278 9279 /* Check the LASI on Rx */ 9280 bnx2x_cl45_read(bp, phy, 9281 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, 9282 &rx_alarm_status); 9283 vars->line_speed = 0; 9284 DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status); 9285 9286 bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT, 9287 MDIO_PMA_LASI_TXCTRL); 9288 9289 bnx2x_cl45_read(bp, phy, 9290 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1); 9291 9292 DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1); 9293 9294 /* Clear MSG-OUT */ 9295 bnx2x_cl45_read(bp, phy, 9296 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1); 9297 9298 /* If a module is present and there is need to check 9299 * for over current 9300 */ 9301 if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) { 9302 /* Check over-current using 8727 GPIO0 input*/ 9303 bnx2x_cl45_read(bp, phy, 9304 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL, 9305 &val1); 9306 9307 if ((val1 & (1<<8)) == 0) { 9308 if (!CHIP_IS_E1x(bp)) 9309 oc_port = BP_PATH(bp) + (params->port << 1); 9310 DP(NETIF_MSG_LINK, 9311 "8727 Power fault has been detected on port %d\n", 9312 oc_port); 9313 netdev_err(bp->dev, "Error: Power fault on Port %d has " 9314 "been detected and the power to " 9315 "that SFP+ module has been removed " 9316 "to prevent failure of the card. " 9317 "Please remove the SFP+ module and " 9318 "restart the system to clear this " 9319 "error.\n", 9320 oc_port); 9321 /* Disable all RX_ALARMs except for mod_abs */ 9322 bnx2x_cl45_write(bp, phy, 9323 MDIO_PMA_DEVAD, 9324 MDIO_PMA_LASI_RXCTRL, (1<<5)); 9325 9326 bnx2x_cl45_read(bp, phy, 9327 MDIO_PMA_DEVAD, 9328 MDIO_PMA_REG_PHY_IDENTIFIER, &val1); 9329 /* Wait for module_absent_event */ 9330 val1 |= (1<<8); 9331 bnx2x_cl45_write(bp, phy, 9332 MDIO_PMA_DEVAD, 9333 MDIO_PMA_REG_PHY_IDENTIFIER, val1); 9334 /* Clear RX alarm */ 9335 bnx2x_cl45_read(bp, phy, 9336 MDIO_PMA_DEVAD, 9337 MDIO_PMA_LASI_RXSTAT, &rx_alarm_status); 9338 return 0; 9339 } 9340 } /* Over current check */ 9341 9342 /* When module absent bit is set, check module */ 9343 if (rx_alarm_status & (1<<5)) { 9344 bnx2x_8727_handle_mod_abs(phy, params); 9345 /* Enable all mod_abs and link detection bits */ 9346 bnx2x_cl45_write(bp, phy, 9347 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, 9348 ((1<<5) | (1<<2))); 9349 } 9350 9351 if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) { 9352 DP(NETIF_MSG_LINK, "Enabling 8727 TX laser\n"); 9353 bnx2x_sfp_set_transmitter(params, phy, 1); 9354 } else { 9355 DP(NETIF_MSG_LINK, "Tx is disabled\n"); 9356 return 0; 9357 } 9358 9359 bnx2x_cl45_read(bp, phy, 9360 MDIO_PMA_DEVAD, 9361 MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status); 9362 9363 /* Bits 0..2 --> speed detected, 9364 * Bits 13..15--> link is down 9365 */ 9366 if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) { 9367 link_up = 1; 9368 vars->line_speed = SPEED_10000; 9369 DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n", 9370 params->port); 9371 } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) { 9372 link_up = 1; 9373 vars->line_speed = SPEED_1000; 9374 DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n", 9375 params->port); 9376 } else { 9377 link_up = 0; 9378 DP(NETIF_MSG_LINK, "port %x: External link is down\n", 9379 params->port); 9380 } 9381 9382 /* Capture 10G link fault. */ 9383 if (vars->line_speed == SPEED_10000) { 9384 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 9385 MDIO_PMA_LASI_TXSTAT, &val1); 9386 9387 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 9388 MDIO_PMA_LASI_TXSTAT, &val1); 9389 9390 if (val1 & (1<<0)) { 9391 vars->fault_detected = 1; 9392 } 9393 } 9394 9395 if (link_up) { 9396 bnx2x_ext_phy_resolve_fc(phy, params, vars); 9397 vars->duplex = DUPLEX_FULL; 9398 DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex); 9399 } 9400 9401 if ((DUAL_MEDIA(params)) && 9402 (phy->req_line_speed == SPEED_1000)) { 9403 bnx2x_cl45_read(bp, phy, 9404 MDIO_PMA_DEVAD, 9405 MDIO_PMA_REG_8727_PCS_GP, &val1); 9406 /* In case of dual-media board and 1G, power up the XAUI side, 9407 * otherwise power it down. For 10G it is done automatically 9408 */ 9409 if (link_up) 9410 val1 &= ~(3<<10); 9411 else 9412 val1 |= (3<<10); 9413 bnx2x_cl45_write(bp, phy, 9414 MDIO_PMA_DEVAD, 9415 MDIO_PMA_REG_8727_PCS_GP, val1); 9416 } 9417 return link_up; 9418 } 9419 9420 static void bnx2x_8727_link_reset(struct bnx2x_phy *phy, 9421 struct link_params *params) 9422 { 9423 struct bnx2x *bp = params->bp; 9424 9425 /* Enable/Disable PHY transmitter output */ 9426 bnx2x_set_disable_pmd_transmit(params, phy, 1); 9427 9428 /* Disable Transmitter */ 9429 bnx2x_sfp_set_transmitter(params, phy, 0); 9430 /* Clear LASI */ 9431 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0); 9432 9433 } 9434 9435 /******************************************************************/ 9436 /* BCM8481/BCM84823/BCM84833 PHY SECTION */ 9437 /******************************************************************/ 9438 static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy, 9439 struct bnx2x *bp, 9440 u8 port) 9441 { 9442 u16 val, fw_ver1, fw_ver2, cnt; 9443 9444 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) { 9445 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1); 9446 bnx2x_save_spirom_version(bp, port, fw_ver1 & 0xfff, 9447 phy->ver_addr); 9448 } else { 9449 /* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */ 9450 /* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */ 9451 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0014); 9452 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200); 9453 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B, 0x0000); 9454 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C, 0x0300); 9455 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x0009); 9456 9457 for (cnt = 0; cnt < 100; cnt++) { 9458 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val); 9459 if (val & 1) 9460 break; 9461 udelay(5); 9462 } 9463 if (cnt == 100) { 9464 DP(NETIF_MSG_LINK, "Unable to read 848xx " 9465 "phy fw version(1)\n"); 9466 bnx2x_save_spirom_version(bp, port, 0, 9467 phy->ver_addr); 9468 return; 9469 } 9470 9471 9472 /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */ 9473 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000); 9474 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200); 9475 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A); 9476 for (cnt = 0; cnt < 100; cnt++) { 9477 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val); 9478 if (val & 1) 9479 break; 9480 udelay(5); 9481 } 9482 if (cnt == 100) { 9483 DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw " 9484 "version(2)\n"); 9485 bnx2x_save_spirom_version(bp, port, 0, 9486 phy->ver_addr); 9487 return; 9488 } 9489 9490 /* lower 16 bits of the register SPI_FW_STATUS */ 9491 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1); 9492 /* upper 16 bits of register SPI_FW_STATUS */ 9493 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2); 9494 9495 bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1, 9496 phy->ver_addr); 9497 } 9498 9499 } 9500 static void bnx2x_848xx_set_led(struct bnx2x *bp, 9501 struct bnx2x_phy *phy) 9502 { 9503 u16 val, offset; 9504 9505 /* PHYC_CTL_LED_CTL */ 9506 bnx2x_cl45_read(bp, phy, 9507 MDIO_PMA_DEVAD, 9508 MDIO_PMA_REG_8481_LINK_SIGNAL, &val); 9509 val &= 0xFE00; 9510 val |= 0x0092; 9511 9512 bnx2x_cl45_write(bp, phy, 9513 MDIO_PMA_DEVAD, 9514 MDIO_PMA_REG_8481_LINK_SIGNAL, val); 9515 9516 bnx2x_cl45_write(bp, phy, 9517 MDIO_PMA_DEVAD, 9518 MDIO_PMA_REG_8481_LED1_MASK, 9519 0x80); 9520 9521 bnx2x_cl45_write(bp, phy, 9522 MDIO_PMA_DEVAD, 9523 MDIO_PMA_REG_8481_LED2_MASK, 9524 0x18); 9525 9526 /* Select activity source by Tx and Rx, as suggested by PHY AE */ 9527 bnx2x_cl45_write(bp, phy, 9528 MDIO_PMA_DEVAD, 9529 MDIO_PMA_REG_8481_LED3_MASK, 9530 0x0006); 9531 9532 /* Select the closest activity blink rate to that in 10/100/1000 */ 9533 bnx2x_cl45_write(bp, phy, 9534 MDIO_PMA_DEVAD, 9535 MDIO_PMA_REG_8481_LED3_BLINK, 9536 0); 9537 9538 /* Configure the blink rate to ~15.9 Hz */ 9539 bnx2x_cl45_write(bp, phy, 9540 MDIO_PMA_DEVAD, 9541 MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH, 9542 MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ); 9543 9544 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) 9545 offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1; 9546 else 9547 offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1; 9548 9549 bnx2x_cl45_read(bp, phy, 9550 MDIO_PMA_DEVAD, offset, &val); 9551 val |= MDIO_PMA_REG_84823_LED3_STRETCH_EN; /* stretch_en for LED3*/ 9552 bnx2x_cl45_write(bp, phy, 9553 MDIO_PMA_DEVAD, offset, val); 9554 9555 /* 'Interrupt Mask' */ 9556 bnx2x_cl45_write(bp, phy, 9557 MDIO_AN_DEVAD, 9558 0xFFFB, 0xFFFD); 9559 } 9560 9561 static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy, 9562 struct link_params *params, 9563 struct link_vars *vars) 9564 { 9565 struct bnx2x *bp = params->bp; 9566 u16 autoneg_val, an_1000_val, an_10_100_val, an_10g_val; 9567 9568 if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) { 9569 /* Save spirom version */ 9570 bnx2x_save_848xx_spirom_version(phy, bp, params->port); 9571 } 9572 /* This phy uses the NIG latch mechanism since link indication 9573 * arrives through its LED4 and not via its LASI signal, so we 9574 * get steady signal instead of clear on read 9575 */ 9576 bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4, 9577 1 << NIG_LATCH_BC_ENABLE_MI_INT); 9578 9579 bnx2x_cl45_write(bp, phy, 9580 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000); 9581 9582 bnx2x_848xx_set_led(bp, phy); 9583 9584 /* set 1000 speed advertisement */ 9585 bnx2x_cl45_read(bp, phy, 9586 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL, 9587 &an_1000_val); 9588 9589 bnx2x_ext_phy_set_pause(params, phy, vars); 9590 bnx2x_cl45_read(bp, phy, 9591 MDIO_AN_DEVAD, 9592 MDIO_AN_REG_8481_LEGACY_AN_ADV, 9593 &an_10_100_val); 9594 bnx2x_cl45_read(bp, phy, 9595 MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL, 9596 &autoneg_val); 9597 /* Disable forced speed */ 9598 autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13)); 9599 an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8)); 9600 9601 if (((phy->req_line_speed == SPEED_AUTO_NEG) && 9602 (phy->speed_cap_mask & 9603 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) || 9604 (phy->req_line_speed == SPEED_1000)) { 9605 an_1000_val |= (1<<8); 9606 autoneg_val |= (1<<9 | 1<<12); 9607 if (phy->req_duplex == DUPLEX_FULL) 9608 an_1000_val |= (1<<9); 9609 DP(NETIF_MSG_LINK, "Advertising 1G\n"); 9610 } else 9611 an_1000_val &= ~((1<<8) | (1<<9)); 9612 9613 bnx2x_cl45_write(bp, phy, 9614 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL, 9615 an_1000_val); 9616 9617 /* set 100 speed advertisement */ 9618 if ((phy->req_line_speed == SPEED_AUTO_NEG) && 9619 (phy->speed_cap_mask & 9620 (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL | 9621 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))) { 9622 an_10_100_val |= (1<<7); 9623 /* Enable autoneg and restart autoneg for legacy speeds */ 9624 autoneg_val |= (1<<9 | 1<<12); 9625 9626 if (phy->req_duplex == DUPLEX_FULL) 9627 an_10_100_val |= (1<<8); 9628 DP(NETIF_MSG_LINK, "Advertising 100M\n"); 9629 } 9630 /* set 10 speed advertisement */ 9631 if (((phy->req_line_speed == SPEED_AUTO_NEG) && 9632 (phy->speed_cap_mask & 9633 (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL | 9634 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)) && 9635 (phy->supported & 9636 (SUPPORTED_10baseT_Half | 9637 SUPPORTED_10baseT_Full)))) { 9638 an_10_100_val |= (1<<5); 9639 autoneg_val |= (1<<9 | 1<<12); 9640 if (phy->req_duplex == DUPLEX_FULL) 9641 an_10_100_val |= (1<<6); 9642 DP(NETIF_MSG_LINK, "Advertising 10M\n"); 9643 } 9644 9645 /* Only 10/100 are allowed to work in FORCE mode */ 9646 if ((phy->req_line_speed == SPEED_100) && 9647 (phy->supported & 9648 (SUPPORTED_100baseT_Half | 9649 SUPPORTED_100baseT_Full))) { 9650 autoneg_val |= (1<<13); 9651 /* Enabled AUTO-MDIX when autoneg is disabled */ 9652 bnx2x_cl45_write(bp, phy, 9653 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL, 9654 (1<<15 | 1<<9 | 7<<0)); 9655 /* The PHY needs this set even for forced link. */ 9656 an_10_100_val |= (1<<8) | (1<<7); 9657 DP(NETIF_MSG_LINK, "Setting 100M force\n"); 9658 } 9659 if ((phy->req_line_speed == SPEED_10) && 9660 (phy->supported & 9661 (SUPPORTED_10baseT_Half | 9662 SUPPORTED_10baseT_Full))) { 9663 /* Enabled AUTO-MDIX when autoneg is disabled */ 9664 bnx2x_cl45_write(bp, phy, 9665 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL, 9666 (1<<15 | 1<<9 | 7<<0)); 9667 DP(NETIF_MSG_LINK, "Setting 10M force\n"); 9668 } 9669 9670 bnx2x_cl45_write(bp, phy, 9671 MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV, 9672 an_10_100_val); 9673 9674 if (phy->req_duplex == DUPLEX_FULL) 9675 autoneg_val |= (1<<8); 9676 9677 /* Always write this if this is not 84833. 9678 * For 84833, write it only when it's a forced speed. 9679 */ 9680 if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) || 9681 ((autoneg_val & (1<<12)) == 0)) 9682 bnx2x_cl45_write(bp, phy, 9683 MDIO_AN_DEVAD, 9684 MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val); 9685 9686 if (((phy->req_line_speed == SPEED_AUTO_NEG) && 9687 (phy->speed_cap_mask & 9688 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) || 9689 (phy->req_line_speed == SPEED_10000)) { 9690 DP(NETIF_MSG_LINK, "Advertising 10G\n"); 9691 /* Restart autoneg for 10G*/ 9692 9693 bnx2x_cl45_read(bp, phy, 9694 MDIO_AN_DEVAD, 9695 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL, 9696 &an_10g_val); 9697 bnx2x_cl45_write(bp, phy, 9698 MDIO_AN_DEVAD, 9699 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL, 9700 an_10g_val | 0x1000); 9701 bnx2x_cl45_write(bp, phy, 9702 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 9703 0x3200); 9704 } else 9705 bnx2x_cl45_write(bp, phy, 9706 MDIO_AN_DEVAD, 9707 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL, 9708 1); 9709 9710 return 0; 9711 } 9712 9713 static int bnx2x_8481_config_init(struct bnx2x_phy *phy, 9714 struct link_params *params, 9715 struct link_vars *vars) 9716 { 9717 struct bnx2x *bp = params->bp; 9718 /* Restore normal power mode*/ 9719 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, 9720 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port); 9721 9722 /* HW reset */ 9723 bnx2x_ext_phy_hw_reset(bp, params->port); 9724 bnx2x_wait_reset_complete(bp, phy, params); 9725 9726 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15); 9727 return bnx2x_848xx_cmn_config_init(phy, params, vars); 9728 } 9729 9730 #define PHY84833_CMDHDLR_WAIT 300 9731 #define PHY84833_CMDHDLR_MAX_ARGS 5 9732 static int bnx2x_84833_cmd_hdlr(struct bnx2x_phy *phy, 9733 struct link_params *params, 9734 u16 fw_cmd, 9735 u16 cmd_args[], int argc) 9736 { 9737 int idx; 9738 u16 val; 9739 struct bnx2x *bp = params->bp; 9740 /* Write CMD_OPEN_OVERRIDE to STATUS reg */ 9741 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD, 9742 MDIO_84833_CMD_HDLR_STATUS, 9743 PHY84833_STATUS_CMD_OPEN_OVERRIDE); 9744 for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) { 9745 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 9746 MDIO_84833_CMD_HDLR_STATUS, &val); 9747 if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS) 9748 break; 9749 usleep_range(1000, 2000); 9750 } 9751 if (idx >= PHY84833_CMDHDLR_WAIT) { 9752 DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n"); 9753 return -EINVAL; 9754 } 9755 9756 /* Prepare argument(s) and issue command */ 9757 for (idx = 0; idx < argc; idx++) { 9758 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD, 9759 MDIO_84833_CMD_HDLR_DATA1 + idx, 9760 cmd_args[idx]); 9761 } 9762 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD, 9763 MDIO_84833_CMD_HDLR_COMMAND, fw_cmd); 9764 for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) { 9765 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 9766 MDIO_84833_CMD_HDLR_STATUS, &val); 9767 if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) || 9768 (val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) 9769 break; 9770 usleep_range(1000, 2000); 9771 } 9772 if ((idx >= PHY84833_CMDHDLR_WAIT) || 9773 (val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) { 9774 DP(NETIF_MSG_LINK, "FW cmd failed.\n"); 9775 return -EINVAL; 9776 } 9777 /* Gather returning data */ 9778 for (idx = 0; idx < argc; idx++) { 9779 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 9780 MDIO_84833_CMD_HDLR_DATA1 + idx, 9781 &cmd_args[idx]); 9782 } 9783 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD, 9784 MDIO_84833_CMD_HDLR_STATUS, 9785 PHY84833_STATUS_CMD_CLEAR_COMPLETE); 9786 return 0; 9787 } 9788 9789 9790 static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy, 9791 struct link_params *params, 9792 struct link_vars *vars) 9793 { 9794 u32 pair_swap; 9795 u16 data[PHY84833_CMDHDLR_MAX_ARGS]; 9796 int status; 9797 struct bnx2x *bp = params->bp; 9798 9799 /* Check for configuration. */ 9800 pair_swap = REG_RD(bp, params->shmem_base + 9801 offsetof(struct shmem_region, 9802 dev_info.port_hw_config[params->port].xgbt_phy_cfg)) & 9803 PORT_HW_CFG_RJ45_PAIR_SWAP_MASK; 9804 9805 if (pair_swap == 0) 9806 return 0; 9807 9808 /* Only the second argument is used for this command */ 9809 data[1] = (u16)pair_swap; 9810 9811 status = bnx2x_84833_cmd_hdlr(phy, params, 9812 PHY84833_CMD_SET_PAIR_SWAP, data, PHY84833_CMDHDLR_MAX_ARGS); 9813 if (status == 0) 9814 DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data[1]); 9815 9816 return status; 9817 } 9818 9819 static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp, 9820 u32 shmem_base_path[], 9821 u32 chip_id) 9822 { 9823 u32 reset_pin[2]; 9824 u32 idx; 9825 u8 reset_gpios; 9826 if (CHIP_IS_E3(bp)) { 9827 /* Assume that these will be GPIOs, not EPIOs. */ 9828 for (idx = 0; idx < 2; idx++) { 9829 /* Map config param to register bit. */ 9830 reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] + 9831 offsetof(struct shmem_region, 9832 dev_info.port_hw_config[0].e3_cmn_pin_cfg)); 9833 reset_pin[idx] = (reset_pin[idx] & 9834 PORT_HW_CFG_E3_PHY_RESET_MASK) >> 9835 PORT_HW_CFG_E3_PHY_RESET_SHIFT; 9836 reset_pin[idx] -= PIN_CFG_GPIO0_P0; 9837 reset_pin[idx] = (1 << reset_pin[idx]); 9838 } 9839 reset_gpios = (u8)(reset_pin[0] | reset_pin[1]); 9840 } else { 9841 /* E2, look from diff place of shmem. */ 9842 for (idx = 0; idx < 2; idx++) { 9843 reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] + 9844 offsetof(struct shmem_region, 9845 dev_info.port_hw_config[0].default_cfg)); 9846 reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK; 9847 reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0; 9848 reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT; 9849 reset_pin[idx] = (1 << reset_pin[idx]); 9850 } 9851 reset_gpios = (u8)(reset_pin[0] | reset_pin[1]); 9852 } 9853 9854 return reset_gpios; 9855 } 9856 9857 static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy, 9858 struct link_params *params) 9859 { 9860 struct bnx2x *bp = params->bp; 9861 u8 reset_gpios; 9862 u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base + 9863 offsetof(struct shmem2_region, 9864 other_shmem_base_addr)); 9865 9866 u32 shmem_base_path[2]; 9867 9868 /* Work around for 84833 LED failure inside RESET status */ 9869 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, 9870 MDIO_AN_REG_8481_LEGACY_MII_CTRL, 9871 MDIO_AN_REG_8481_MII_CTRL_FORCE_1G); 9872 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, 9873 MDIO_AN_REG_8481_1G_100T_EXT_CTRL, 9874 MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF); 9875 9876 shmem_base_path[0] = params->shmem_base; 9877 shmem_base_path[1] = other_shmem_base_addr; 9878 9879 reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, 9880 params->chip_id); 9881 9882 bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW); 9883 udelay(10); 9884 DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n", 9885 reset_gpios); 9886 9887 return 0; 9888 } 9889 9890 static int bnx2x_8483x_eee_timers(struct link_params *params, 9891 struct link_vars *vars) 9892 { 9893 u32 eee_idle = 0, eee_mode; 9894 struct bnx2x *bp = params->bp; 9895 9896 eee_idle = bnx2x_eee_calc_timer(params); 9897 9898 if (eee_idle) { 9899 REG_WR(bp, MISC_REG_CPMU_LP_IDLE_THR_P0 + (params->port << 2), 9900 eee_idle); 9901 } else if ((params->eee_mode & EEE_MODE_ENABLE_LPI) && 9902 (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) && 9903 (params->eee_mode & EEE_MODE_OUTPUT_TIME)) { 9904 DP(NETIF_MSG_LINK, "Error: Tx LPI is enabled with timer 0\n"); 9905 return -EINVAL; 9906 } 9907 9908 vars->eee_status &= ~(SHMEM_EEE_TIMER_MASK | SHMEM_EEE_TIME_OUTPUT_BIT); 9909 if (params->eee_mode & EEE_MODE_OUTPUT_TIME) { 9910 /* eee_idle in 1u --> eee_status in 16u */ 9911 eee_idle >>= 4; 9912 vars->eee_status |= (eee_idle & SHMEM_EEE_TIMER_MASK) | 9913 SHMEM_EEE_TIME_OUTPUT_BIT; 9914 } else { 9915 if (bnx2x_eee_time_to_nvram(eee_idle, &eee_mode)) 9916 return -EINVAL; 9917 vars->eee_status |= eee_mode; 9918 } 9919 9920 return 0; 9921 } 9922 9923 static int bnx2x_8483x_disable_eee(struct bnx2x_phy *phy, 9924 struct link_params *params, 9925 struct link_vars *vars) 9926 { 9927 int rc; 9928 struct bnx2x *bp = params->bp; 9929 u16 cmd_args = 0; 9930 9931 DP(NETIF_MSG_LINK, "Don't Advertise 10GBase-T EEE\n"); 9932 9933 /* Make Certain LPI is disabled */ 9934 REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2), 0); 9935 REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 0); 9936 9937 /* Prevent Phy from working in EEE and advertising it */ 9938 rc = bnx2x_84833_cmd_hdlr(phy, params, 9939 PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1); 9940 if (rc) { 9941 DP(NETIF_MSG_LINK, "EEE disable failed.\n"); 9942 return rc; 9943 } 9944 9945 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, 0); 9946 vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK; 9947 9948 return 0; 9949 } 9950 9951 static int bnx2x_8483x_enable_eee(struct bnx2x_phy *phy, 9952 struct link_params *params, 9953 struct link_vars *vars) 9954 { 9955 int rc; 9956 struct bnx2x *bp = params->bp; 9957 u16 cmd_args = 1; 9958 9959 DP(NETIF_MSG_LINK, "Advertise 10GBase-T EEE\n"); 9960 9961 rc = bnx2x_84833_cmd_hdlr(phy, params, 9962 PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1); 9963 if (rc) { 9964 DP(NETIF_MSG_LINK, "EEE enable failed.\n"); 9965 return rc; 9966 } 9967 9968 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, 0x8); 9969 9970 /* Mask events preventing LPI generation */ 9971 REG_WR(bp, MISC_REG_CPMU_LP_MASK_EXT_P0 + (params->port << 2), 0xfc20); 9972 9973 vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK; 9974 vars->eee_status |= (SHMEM_EEE_10G_ADV << SHMEM_EEE_ADV_STATUS_SHIFT); 9975 9976 return 0; 9977 } 9978 9979 #define PHY84833_CONSTANT_LATENCY 1193 9980 static int bnx2x_848x3_config_init(struct bnx2x_phy *phy, 9981 struct link_params *params, 9982 struct link_vars *vars) 9983 { 9984 struct bnx2x *bp = params->bp; 9985 u8 port, initialize = 1; 9986 u16 val; 9987 u32 actual_phy_selection, cms_enable; 9988 u16 cmd_args[PHY84833_CMDHDLR_MAX_ARGS]; 9989 int rc = 0; 9990 9991 usleep_range(1000, 2000); 9992 9993 if (!(CHIP_IS_E1x(bp))) 9994 port = BP_PATH(bp); 9995 else 9996 port = params->port; 9997 9998 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) { 9999 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3, 10000 MISC_REGISTERS_GPIO_OUTPUT_HIGH, 10001 port); 10002 } else { 10003 /* MDIO reset */ 10004 bnx2x_cl45_write(bp, phy, 10005 MDIO_PMA_DEVAD, 10006 MDIO_PMA_REG_CTRL, 0x8000); 10007 } 10008 10009 bnx2x_wait_reset_complete(bp, phy, params); 10010 10011 /* Wait for GPHY to come out of reset */ 10012 msleep(50); 10013 if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) { 10014 /* BCM84823 requires that XGXS links up first @ 10G for normal 10015 * behavior. 10016 */ 10017 u16 temp; 10018 temp = vars->line_speed; 10019 vars->line_speed = SPEED_10000; 10020 bnx2x_set_autoneg(¶ms->phy[INT_PHY], params, vars, 0); 10021 bnx2x_program_serdes(¶ms->phy[INT_PHY], params, vars); 10022 vars->line_speed = temp; 10023 } 10024 10025 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 10026 MDIO_CTL_REG_84823_MEDIA, &val); 10027 val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK | 10028 MDIO_CTL_REG_84823_MEDIA_LINE_MASK | 10029 MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN | 10030 MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK | 10031 MDIO_CTL_REG_84823_MEDIA_FIBER_1G); 10032 10033 if (CHIP_IS_E3(bp)) { 10034 val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK | 10035 MDIO_CTL_REG_84823_MEDIA_LINE_MASK); 10036 } else { 10037 val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI | 10038 MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L); 10039 } 10040 10041 actual_phy_selection = bnx2x_phy_selection(params); 10042 10043 switch (actual_phy_selection) { 10044 case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT: 10045 /* Do nothing. Essentially this is like the priority copper */ 10046 break; 10047 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY: 10048 val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER; 10049 break; 10050 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY: 10051 val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER; 10052 break; 10053 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY: 10054 /* Do nothing here. The first PHY won't be initialized at all */ 10055 break; 10056 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY: 10057 val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN; 10058 initialize = 0; 10059 break; 10060 } 10061 if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000) 10062 val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G; 10063 10064 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD, 10065 MDIO_CTL_REG_84823_MEDIA, val); 10066 DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n", 10067 params->multi_phy_config, val); 10068 10069 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) { 10070 bnx2x_84833_pair_swap_cfg(phy, params, vars); 10071 10072 /* Keep AutogrEEEn disabled. */ 10073 cmd_args[0] = 0x0; 10074 cmd_args[1] = 0x0; 10075 cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1; 10076 cmd_args[3] = PHY84833_CONSTANT_LATENCY; 10077 rc = bnx2x_84833_cmd_hdlr(phy, params, 10078 PHY84833_CMD_SET_EEE_MODE, cmd_args, 10079 PHY84833_CMDHDLR_MAX_ARGS); 10080 if (rc) 10081 DP(NETIF_MSG_LINK, "Cfg AutogrEEEn failed.\n"); 10082 } 10083 if (initialize) 10084 rc = bnx2x_848xx_cmn_config_init(phy, params, vars); 10085 else 10086 bnx2x_save_848xx_spirom_version(phy, bp, params->port); 10087 /* 84833 PHY has a better feature and doesn't need to support this. */ 10088 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) { 10089 cms_enable = REG_RD(bp, params->shmem_base + 10090 offsetof(struct shmem_region, 10091 dev_info.port_hw_config[params->port].default_cfg)) & 10092 PORT_HW_CFG_ENABLE_CMS_MASK; 10093 10094 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 10095 MDIO_CTL_REG_84823_USER_CTRL_REG, &val); 10096 if (cms_enable) 10097 val |= MDIO_CTL_REG_84823_USER_CTRL_CMS; 10098 else 10099 val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS; 10100 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD, 10101 MDIO_CTL_REG_84823_USER_CTRL_REG, val); 10102 } 10103 10104 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 10105 MDIO_84833_TOP_CFG_FW_REV, &val); 10106 10107 /* Configure EEE support */ 10108 if ((val >= MDIO_84833_TOP_CFG_FW_EEE) && bnx2x_eee_has_cap(params)) { 10109 phy->flags |= FLAGS_EEE_10GBT; 10110 vars->eee_status |= SHMEM_EEE_10G_ADV << 10111 SHMEM_EEE_SUPPORTED_SHIFT; 10112 /* Propogate params' bits --> vars (for migration exposure) */ 10113 if (params->eee_mode & EEE_MODE_ENABLE_LPI) 10114 vars->eee_status |= SHMEM_EEE_LPI_REQUESTED_BIT; 10115 else 10116 vars->eee_status &= ~SHMEM_EEE_LPI_REQUESTED_BIT; 10117 10118 if (params->eee_mode & EEE_MODE_ADV_LPI) 10119 vars->eee_status |= SHMEM_EEE_REQUESTED_BIT; 10120 else 10121 vars->eee_status &= ~SHMEM_EEE_REQUESTED_BIT; 10122 10123 rc = bnx2x_8483x_eee_timers(params, vars); 10124 if (rc) { 10125 DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n"); 10126 bnx2x_8483x_disable_eee(phy, params, vars); 10127 return rc; 10128 } 10129 10130 if ((params->req_duplex[actual_phy_selection] == DUPLEX_FULL) && 10131 (params->eee_mode & EEE_MODE_ADV_LPI) && 10132 (bnx2x_eee_calc_timer(params) || 10133 !(params->eee_mode & EEE_MODE_ENABLE_LPI))) 10134 rc = bnx2x_8483x_enable_eee(phy, params, vars); 10135 else 10136 rc = bnx2x_8483x_disable_eee(phy, params, vars); 10137 if (rc) { 10138 DP(NETIF_MSG_LINK, "Failed to set EEE advertisment\n"); 10139 return rc; 10140 } 10141 } else { 10142 phy->flags &= ~FLAGS_EEE_10GBT; 10143 vars->eee_status &= ~SHMEM_EEE_SUPPORTED_MASK; 10144 } 10145 10146 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) { 10147 /* Bring PHY out of super isolate mode as the final step. */ 10148 bnx2x_cl45_read(bp, phy, 10149 MDIO_CTL_DEVAD, 10150 MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val); 10151 val &= ~MDIO_84833_SUPER_ISOLATE; 10152 bnx2x_cl45_write(bp, phy, 10153 MDIO_CTL_DEVAD, 10154 MDIO_84833_TOP_CFG_XGPHY_STRAP1, val); 10155 } 10156 return rc; 10157 } 10158 10159 static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy, 10160 struct link_params *params, 10161 struct link_vars *vars) 10162 { 10163 struct bnx2x *bp = params->bp; 10164 u16 val, val1, val2; 10165 u8 link_up = 0; 10166 10167 10168 /* Check 10G-BaseT link status */ 10169 /* Check PMD signal ok */ 10170 bnx2x_cl45_read(bp, phy, 10171 MDIO_AN_DEVAD, 0xFFFA, &val1); 10172 bnx2x_cl45_read(bp, phy, 10173 MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL, 10174 &val2); 10175 DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2); 10176 10177 /* Check link 10G */ 10178 if (val2 & (1<<11)) { 10179 vars->line_speed = SPEED_10000; 10180 vars->duplex = DUPLEX_FULL; 10181 link_up = 1; 10182 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars); 10183 } else { /* Check Legacy speed link */ 10184 u16 legacy_status, legacy_speed; 10185 10186 /* Enable expansion register 0x42 (Operation mode status) */ 10187 bnx2x_cl45_write(bp, phy, 10188 MDIO_AN_DEVAD, 10189 MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42); 10190 10191 /* Get legacy speed operation status */ 10192 bnx2x_cl45_read(bp, phy, 10193 MDIO_AN_DEVAD, 10194 MDIO_AN_REG_8481_EXPANSION_REG_RD_RW, 10195 &legacy_status); 10196 10197 DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n", 10198 legacy_status); 10199 link_up = ((legacy_status & (1<<11)) == (1<<11)); 10200 legacy_speed = (legacy_status & (3<<9)); 10201 if (legacy_speed == (0<<9)) 10202 vars->line_speed = SPEED_10; 10203 else if (legacy_speed == (1<<9)) 10204 vars->line_speed = SPEED_100; 10205 else if (legacy_speed == (2<<9)) 10206 vars->line_speed = SPEED_1000; 10207 else { /* Should not happen: Treat as link down */ 10208 vars->line_speed = 0; 10209 link_up = 0; 10210 } 10211 10212 if (link_up) { 10213 if (legacy_status & (1<<8)) 10214 vars->duplex = DUPLEX_FULL; 10215 else 10216 vars->duplex = DUPLEX_HALF; 10217 10218 DP(NETIF_MSG_LINK, 10219 "Link is up in %dMbps, is_duplex_full= %d\n", 10220 vars->line_speed, 10221 (vars->duplex == DUPLEX_FULL)); 10222 /* Check legacy speed AN resolution */ 10223 bnx2x_cl45_read(bp, phy, 10224 MDIO_AN_DEVAD, 10225 MDIO_AN_REG_8481_LEGACY_MII_STATUS, 10226 &val); 10227 if (val & (1<<5)) 10228 vars->link_status |= 10229 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE; 10230 bnx2x_cl45_read(bp, phy, 10231 MDIO_AN_DEVAD, 10232 MDIO_AN_REG_8481_LEGACY_AN_EXPANSION, 10233 &val); 10234 if ((val & (1<<0)) == 0) 10235 vars->link_status |= 10236 LINK_STATUS_PARALLEL_DETECTION_USED; 10237 } 10238 } 10239 if (link_up) { 10240 DP(NETIF_MSG_LINK, "BCM848x3: link speed is %d\n", 10241 vars->line_speed); 10242 bnx2x_ext_phy_resolve_fc(phy, params, vars); 10243 10244 /* Read LP advertised speeds */ 10245 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, 10246 MDIO_AN_REG_CL37_FC_LP, &val); 10247 if (val & (1<<5)) 10248 vars->link_status |= 10249 LINK_STATUS_LINK_PARTNER_10THD_CAPABLE; 10250 if (val & (1<<6)) 10251 vars->link_status |= 10252 LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE; 10253 if (val & (1<<7)) 10254 vars->link_status |= 10255 LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE; 10256 if (val & (1<<8)) 10257 vars->link_status |= 10258 LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE; 10259 if (val & (1<<9)) 10260 vars->link_status |= 10261 LINK_STATUS_LINK_PARTNER_100T4_CAPABLE; 10262 10263 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, 10264 MDIO_AN_REG_1000T_STATUS, &val); 10265 10266 if (val & (1<<10)) 10267 vars->link_status |= 10268 LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE; 10269 if (val & (1<<11)) 10270 vars->link_status |= 10271 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE; 10272 10273 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, 10274 MDIO_AN_REG_MASTER_STATUS, &val); 10275 10276 if (val & (1<<11)) 10277 vars->link_status |= 10278 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE; 10279 10280 /* Determine if EEE was negotiated */ 10281 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) { 10282 u32 eee_shmem = 0; 10283 10284 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, 10285 MDIO_AN_REG_EEE_ADV, &val1); 10286 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, 10287 MDIO_AN_REG_LP_EEE_ADV, &val2); 10288 if ((val1 & val2) & 0x8) { 10289 DP(NETIF_MSG_LINK, "EEE negotiated\n"); 10290 vars->eee_status |= SHMEM_EEE_ACTIVE_BIT; 10291 } 10292 10293 if (val2 & 0x12) 10294 eee_shmem |= SHMEM_EEE_100M_ADV; 10295 if (val2 & 0x4) 10296 eee_shmem |= SHMEM_EEE_1G_ADV; 10297 if (val2 & 0x68) 10298 eee_shmem |= SHMEM_EEE_10G_ADV; 10299 10300 vars->eee_status &= ~SHMEM_EEE_LP_ADV_STATUS_MASK; 10301 vars->eee_status |= (eee_shmem << 10302 SHMEM_EEE_LP_ADV_STATUS_SHIFT); 10303 } 10304 } 10305 10306 return link_up; 10307 } 10308 10309 10310 static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len) 10311 { 10312 int status = 0; 10313 u32 spirom_ver; 10314 spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F); 10315 status = bnx2x_format_ver(spirom_ver, str, len); 10316 return status; 10317 } 10318 10319 static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy, 10320 struct link_params *params) 10321 { 10322 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1, 10323 MISC_REGISTERS_GPIO_OUTPUT_LOW, 0); 10324 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1, 10325 MISC_REGISTERS_GPIO_OUTPUT_LOW, 1); 10326 } 10327 10328 static void bnx2x_8481_link_reset(struct bnx2x_phy *phy, 10329 struct link_params *params) 10330 { 10331 bnx2x_cl45_write(params->bp, phy, 10332 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000); 10333 bnx2x_cl45_write(params->bp, phy, 10334 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1); 10335 } 10336 10337 static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy, 10338 struct link_params *params) 10339 { 10340 struct bnx2x *bp = params->bp; 10341 u8 port; 10342 u16 val16; 10343 10344 if (!(CHIP_IS_E1x(bp))) 10345 port = BP_PATH(bp); 10346 else 10347 port = params->port; 10348 10349 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) { 10350 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3, 10351 MISC_REGISTERS_GPIO_OUTPUT_LOW, 10352 port); 10353 } else { 10354 bnx2x_cl45_read(bp, phy, 10355 MDIO_CTL_DEVAD, 10356 MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16); 10357 val16 |= MDIO_84833_SUPER_ISOLATE; 10358 bnx2x_cl45_write(bp, phy, 10359 MDIO_CTL_DEVAD, 10360 MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16); 10361 } 10362 } 10363 10364 static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy, 10365 struct link_params *params, u8 mode) 10366 { 10367 struct bnx2x *bp = params->bp; 10368 u16 val; 10369 u8 port; 10370 10371 if (!(CHIP_IS_E1x(bp))) 10372 port = BP_PATH(bp); 10373 else 10374 port = params->port; 10375 10376 switch (mode) { 10377 case LED_MODE_OFF: 10378 10379 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port); 10380 10381 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) == 10382 SHARED_HW_CFG_LED_EXTPHY1) { 10383 10384 /* Set LED masks */ 10385 bnx2x_cl45_write(bp, phy, 10386 MDIO_PMA_DEVAD, 10387 MDIO_PMA_REG_8481_LED1_MASK, 10388 0x0); 10389 10390 bnx2x_cl45_write(bp, phy, 10391 MDIO_PMA_DEVAD, 10392 MDIO_PMA_REG_8481_LED2_MASK, 10393 0x0); 10394 10395 bnx2x_cl45_write(bp, phy, 10396 MDIO_PMA_DEVAD, 10397 MDIO_PMA_REG_8481_LED3_MASK, 10398 0x0); 10399 10400 bnx2x_cl45_write(bp, phy, 10401 MDIO_PMA_DEVAD, 10402 MDIO_PMA_REG_8481_LED5_MASK, 10403 0x0); 10404 10405 } else { 10406 bnx2x_cl45_write(bp, phy, 10407 MDIO_PMA_DEVAD, 10408 MDIO_PMA_REG_8481_LED1_MASK, 10409 0x0); 10410 } 10411 break; 10412 case LED_MODE_FRONT_PANEL_OFF: 10413 10414 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n", 10415 port); 10416 10417 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) == 10418 SHARED_HW_CFG_LED_EXTPHY1) { 10419 10420 /* Set LED masks */ 10421 bnx2x_cl45_write(bp, phy, 10422 MDIO_PMA_DEVAD, 10423 MDIO_PMA_REG_8481_LED1_MASK, 10424 0x0); 10425 10426 bnx2x_cl45_write(bp, phy, 10427 MDIO_PMA_DEVAD, 10428 MDIO_PMA_REG_8481_LED2_MASK, 10429 0x0); 10430 10431 bnx2x_cl45_write(bp, phy, 10432 MDIO_PMA_DEVAD, 10433 MDIO_PMA_REG_8481_LED3_MASK, 10434 0x0); 10435 10436 bnx2x_cl45_write(bp, phy, 10437 MDIO_PMA_DEVAD, 10438 MDIO_PMA_REG_8481_LED5_MASK, 10439 0x20); 10440 10441 } else { 10442 bnx2x_cl45_write(bp, phy, 10443 MDIO_PMA_DEVAD, 10444 MDIO_PMA_REG_8481_LED1_MASK, 10445 0x0); 10446 } 10447 break; 10448 case LED_MODE_ON: 10449 10450 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port); 10451 10452 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) == 10453 SHARED_HW_CFG_LED_EXTPHY1) { 10454 /* Set control reg */ 10455 bnx2x_cl45_read(bp, phy, 10456 MDIO_PMA_DEVAD, 10457 MDIO_PMA_REG_8481_LINK_SIGNAL, 10458 &val); 10459 val &= 0x8000; 10460 val |= 0x2492; 10461 10462 bnx2x_cl45_write(bp, phy, 10463 MDIO_PMA_DEVAD, 10464 MDIO_PMA_REG_8481_LINK_SIGNAL, 10465 val); 10466 10467 /* Set LED masks */ 10468 bnx2x_cl45_write(bp, phy, 10469 MDIO_PMA_DEVAD, 10470 MDIO_PMA_REG_8481_LED1_MASK, 10471 0x0); 10472 10473 bnx2x_cl45_write(bp, phy, 10474 MDIO_PMA_DEVAD, 10475 MDIO_PMA_REG_8481_LED2_MASK, 10476 0x20); 10477 10478 bnx2x_cl45_write(bp, phy, 10479 MDIO_PMA_DEVAD, 10480 MDIO_PMA_REG_8481_LED3_MASK, 10481 0x20); 10482 10483 bnx2x_cl45_write(bp, phy, 10484 MDIO_PMA_DEVAD, 10485 MDIO_PMA_REG_8481_LED5_MASK, 10486 0x0); 10487 } else { 10488 bnx2x_cl45_write(bp, phy, 10489 MDIO_PMA_DEVAD, 10490 MDIO_PMA_REG_8481_LED1_MASK, 10491 0x20); 10492 } 10493 break; 10494 10495 case LED_MODE_OPER: 10496 10497 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port); 10498 10499 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) == 10500 SHARED_HW_CFG_LED_EXTPHY1) { 10501 10502 /* Set control reg */ 10503 bnx2x_cl45_read(bp, phy, 10504 MDIO_PMA_DEVAD, 10505 MDIO_PMA_REG_8481_LINK_SIGNAL, 10506 &val); 10507 10508 if (!((val & 10509 MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK) 10510 >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) { 10511 DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n"); 10512 bnx2x_cl45_write(bp, phy, 10513 MDIO_PMA_DEVAD, 10514 MDIO_PMA_REG_8481_LINK_SIGNAL, 10515 0xa492); 10516 } 10517 10518 /* Set LED masks */ 10519 bnx2x_cl45_write(bp, phy, 10520 MDIO_PMA_DEVAD, 10521 MDIO_PMA_REG_8481_LED1_MASK, 10522 0x10); 10523 10524 bnx2x_cl45_write(bp, phy, 10525 MDIO_PMA_DEVAD, 10526 MDIO_PMA_REG_8481_LED2_MASK, 10527 0x80); 10528 10529 bnx2x_cl45_write(bp, phy, 10530 MDIO_PMA_DEVAD, 10531 MDIO_PMA_REG_8481_LED3_MASK, 10532 0x98); 10533 10534 bnx2x_cl45_write(bp, phy, 10535 MDIO_PMA_DEVAD, 10536 MDIO_PMA_REG_8481_LED5_MASK, 10537 0x40); 10538 10539 } else { 10540 bnx2x_cl45_write(bp, phy, 10541 MDIO_PMA_DEVAD, 10542 MDIO_PMA_REG_8481_LED1_MASK, 10543 0x80); 10544 10545 /* Tell LED3 to blink on source */ 10546 bnx2x_cl45_read(bp, phy, 10547 MDIO_PMA_DEVAD, 10548 MDIO_PMA_REG_8481_LINK_SIGNAL, 10549 &val); 10550 val &= ~(7<<6); 10551 val |= (1<<6); /* A83B[8:6]= 1 */ 10552 bnx2x_cl45_write(bp, phy, 10553 MDIO_PMA_DEVAD, 10554 MDIO_PMA_REG_8481_LINK_SIGNAL, 10555 val); 10556 } 10557 break; 10558 } 10559 10560 /* This is a workaround for E3+84833 until autoneg 10561 * restart is fixed in f/w 10562 */ 10563 if (CHIP_IS_E3(bp)) { 10564 bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 10565 MDIO_WC_REG_GP2_STATUS_GP_2_1, &val); 10566 } 10567 } 10568 10569 /******************************************************************/ 10570 /* 54618SE PHY SECTION */ 10571 /******************************************************************/ 10572 static int bnx2x_54618se_config_init(struct bnx2x_phy *phy, 10573 struct link_params *params, 10574 struct link_vars *vars) 10575 { 10576 struct bnx2x *bp = params->bp; 10577 u8 port; 10578 u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp; 10579 u32 cfg_pin; 10580 10581 DP(NETIF_MSG_LINK, "54618SE cfg init\n"); 10582 usleep_range(1000, 2000); 10583 10584 /* This works with E3 only, no need to check the chip 10585 * before determining the port. 10586 */ 10587 port = params->port; 10588 10589 cfg_pin = (REG_RD(bp, params->shmem_base + 10590 offsetof(struct shmem_region, 10591 dev_info.port_hw_config[port].e3_cmn_pin_cfg)) & 10592 PORT_HW_CFG_E3_PHY_RESET_MASK) >> 10593 PORT_HW_CFG_E3_PHY_RESET_SHIFT; 10594 10595 /* Drive pin high to bring the GPHY out of reset. */ 10596 bnx2x_set_cfg_pin(bp, cfg_pin, 1); 10597 10598 /* wait for GPHY to reset */ 10599 msleep(50); 10600 10601 /* reset phy */ 10602 bnx2x_cl22_write(bp, phy, 10603 MDIO_PMA_REG_CTRL, 0x8000); 10604 bnx2x_wait_reset_complete(bp, phy, params); 10605 10606 /* Wait for GPHY to reset */ 10607 msleep(50); 10608 10609 /* Configure LED4: set to INTR (0x6). */ 10610 /* Accessing shadow register 0xe. */ 10611 bnx2x_cl22_write(bp, phy, 10612 MDIO_REG_GPHY_SHADOW, 10613 MDIO_REG_GPHY_SHADOW_LED_SEL2); 10614 bnx2x_cl22_read(bp, phy, 10615 MDIO_REG_GPHY_SHADOW, 10616 &temp); 10617 temp &= ~(0xf << 4); 10618 temp |= (0x6 << 4); 10619 bnx2x_cl22_write(bp, phy, 10620 MDIO_REG_GPHY_SHADOW, 10621 MDIO_REG_GPHY_SHADOW_WR_ENA | temp); 10622 /* Configure INTR based on link status change. */ 10623 bnx2x_cl22_write(bp, phy, 10624 MDIO_REG_INTR_MASK, 10625 ~MDIO_REG_INTR_MASK_LINK_STATUS); 10626 10627 /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */ 10628 bnx2x_cl22_write(bp, phy, 10629 MDIO_REG_GPHY_SHADOW, 10630 MDIO_REG_GPHY_SHADOW_AUTO_DET_MED); 10631 bnx2x_cl22_read(bp, phy, 10632 MDIO_REG_GPHY_SHADOW, 10633 &temp); 10634 temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD; 10635 bnx2x_cl22_write(bp, phy, 10636 MDIO_REG_GPHY_SHADOW, 10637 MDIO_REG_GPHY_SHADOW_WR_ENA | temp); 10638 10639 /* Set up fc */ 10640 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */ 10641 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc); 10642 fc_val = 0; 10643 if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) == 10644 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) 10645 fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC; 10646 10647 if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) == 10648 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) 10649 fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE; 10650 10651 /* Read all advertisement */ 10652 bnx2x_cl22_read(bp, phy, 10653 0x09, 10654 &an_1000_val); 10655 10656 bnx2x_cl22_read(bp, phy, 10657 0x04, 10658 &an_10_100_val); 10659 10660 bnx2x_cl22_read(bp, phy, 10661 MDIO_PMA_REG_CTRL, 10662 &autoneg_val); 10663 10664 /* Disable forced speed */ 10665 autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13)); 10666 an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) | 10667 (1<<11)); 10668 10669 if (((phy->req_line_speed == SPEED_AUTO_NEG) && 10670 (phy->speed_cap_mask & 10671 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) || 10672 (phy->req_line_speed == SPEED_1000)) { 10673 an_1000_val |= (1<<8); 10674 autoneg_val |= (1<<9 | 1<<12); 10675 if (phy->req_duplex == DUPLEX_FULL) 10676 an_1000_val |= (1<<9); 10677 DP(NETIF_MSG_LINK, "Advertising 1G\n"); 10678 } else 10679 an_1000_val &= ~((1<<8) | (1<<9)); 10680 10681 bnx2x_cl22_write(bp, phy, 10682 0x09, 10683 an_1000_val); 10684 bnx2x_cl22_read(bp, phy, 10685 0x09, 10686 &an_1000_val); 10687 10688 /* Set 100 speed advertisement */ 10689 if (((phy->req_line_speed == SPEED_AUTO_NEG) && 10690 (phy->speed_cap_mask & 10691 (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL | 10692 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) { 10693 an_10_100_val |= (1<<7); 10694 /* Enable autoneg and restart autoneg for legacy speeds */ 10695 autoneg_val |= (1<<9 | 1<<12); 10696 10697 if (phy->req_duplex == DUPLEX_FULL) 10698 an_10_100_val |= (1<<8); 10699 DP(NETIF_MSG_LINK, "Advertising 100M\n"); 10700 } 10701 10702 /* Set 10 speed advertisement */ 10703 if (((phy->req_line_speed == SPEED_AUTO_NEG) && 10704 (phy->speed_cap_mask & 10705 (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL | 10706 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) { 10707 an_10_100_val |= (1<<5); 10708 autoneg_val |= (1<<9 | 1<<12); 10709 if (phy->req_duplex == DUPLEX_FULL) 10710 an_10_100_val |= (1<<6); 10711 DP(NETIF_MSG_LINK, "Advertising 10M\n"); 10712 } 10713 10714 /* Only 10/100 are allowed to work in FORCE mode */ 10715 if (phy->req_line_speed == SPEED_100) { 10716 autoneg_val |= (1<<13); 10717 /* Enabled AUTO-MDIX when autoneg is disabled */ 10718 bnx2x_cl22_write(bp, phy, 10719 0x18, 10720 (1<<15 | 1<<9 | 7<<0)); 10721 DP(NETIF_MSG_LINK, "Setting 100M force\n"); 10722 } 10723 if (phy->req_line_speed == SPEED_10) { 10724 /* Enabled AUTO-MDIX when autoneg is disabled */ 10725 bnx2x_cl22_write(bp, phy, 10726 0x18, 10727 (1<<15 | 1<<9 | 7<<0)); 10728 DP(NETIF_MSG_LINK, "Setting 10M force\n"); 10729 } 10730 10731 /* Check if we should turn on Auto-GrEEEn */ 10732 bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &temp); 10733 if (temp == MDIO_REG_GPHY_ID_54618SE) { 10734 if (params->feature_config_flags & 10735 FEATURE_CONFIG_AUTOGREEEN_ENABLED) { 10736 temp = 6; 10737 DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n"); 10738 } else { 10739 temp = 0; 10740 DP(NETIF_MSG_LINK, "Disabling Auto-GrEEEn\n"); 10741 } 10742 bnx2x_cl22_write(bp, phy, 10743 MDIO_REG_GPHY_CL45_ADDR_REG, MDIO_AN_DEVAD); 10744 bnx2x_cl22_write(bp, phy, 10745 MDIO_REG_GPHY_CL45_DATA_REG, 10746 MDIO_REG_GPHY_EEE_ADV); 10747 bnx2x_cl22_write(bp, phy, 10748 MDIO_REG_GPHY_CL45_ADDR_REG, 10749 (0x1 << 14) | MDIO_AN_DEVAD); 10750 bnx2x_cl22_write(bp, phy, 10751 MDIO_REG_GPHY_CL45_DATA_REG, 10752 temp); 10753 } 10754 10755 bnx2x_cl22_write(bp, phy, 10756 0x04, 10757 an_10_100_val | fc_val); 10758 10759 if (phy->req_duplex == DUPLEX_FULL) 10760 autoneg_val |= (1<<8); 10761 10762 bnx2x_cl22_write(bp, phy, 10763 MDIO_PMA_REG_CTRL, autoneg_val); 10764 10765 return 0; 10766 } 10767 10768 10769 static void bnx2x_5461x_set_link_led(struct bnx2x_phy *phy, 10770 struct link_params *params, u8 mode) 10771 { 10772 struct bnx2x *bp = params->bp; 10773 u16 temp; 10774 10775 bnx2x_cl22_write(bp, phy, 10776 MDIO_REG_GPHY_SHADOW, 10777 MDIO_REG_GPHY_SHADOW_LED_SEL1); 10778 bnx2x_cl22_read(bp, phy, 10779 MDIO_REG_GPHY_SHADOW, 10780 &temp); 10781 temp &= 0xff00; 10782 10783 DP(NETIF_MSG_LINK, "54618x set link led (mode=%x)\n", mode); 10784 switch (mode) { 10785 case LED_MODE_FRONT_PANEL_OFF: 10786 case LED_MODE_OFF: 10787 temp |= 0x00ee; 10788 break; 10789 case LED_MODE_OPER: 10790 temp |= 0x0001; 10791 break; 10792 case LED_MODE_ON: 10793 temp |= 0x00ff; 10794 break; 10795 default: 10796 break; 10797 } 10798 bnx2x_cl22_write(bp, phy, 10799 MDIO_REG_GPHY_SHADOW, 10800 MDIO_REG_GPHY_SHADOW_WR_ENA | temp); 10801 return; 10802 } 10803 10804 10805 static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy, 10806 struct link_params *params) 10807 { 10808 struct bnx2x *bp = params->bp; 10809 u32 cfg_pin; 10810 u8 port; 10811 10812 /* In case of no EPIO routed to reset the GPHY, put it 10813 * in low power mode. 10814 */ 10815 bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800); 10816 /* This works with E3 only, no need to check the chip 10817 * before determining the port. 10818 */ 10819 port = params->port; 10820 cfg_pin = (REG_RD(bp, params->shmem_base + 10821 offsetof(struct shmem_region, 10822 dev_info.port_hw_config[port].e3_cmn_pin_cfg)) & 10823 PORT_HW_CFG_E3_PHY_RESET_MASK) >> 10824 PORT_HW_CFG_E3_PHY_RESET_SHIFT; 10825 10826 /* Drive pin low to put GPHY in reset. */ 10827 bnx2x_set_cfg_pin(bp, cfg_pin, 0); 10828 } 10829 10830 static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy, 10831 struct link_params *params, 10832 struct link_vars *vars) 10833 { 10834 struct bnx2x *bp = params->bp; 10835 u16 val; 10836 u8 link_up = 0; 10837 u16 legacy_status, legacy_speed; 10838 10839 /* Get speed operation status */ 10840 bnx2x_cl22_read(bp, phy, 10841 MDIO_REG_GPHY_AUX_STATUS, 10842 &legacy_status); 10843 DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status); 10844 10845 /* Read status to clear the PHY interrupt. */ 10846 bnx2x_cl22_read(bp, phy, 10847 MDIO_REG_INTR_STATUS, 10848 &val); 10849 10850 link_up = ((legacy_status & (1<<2)) == (1<<2)); 10851 10852 if (link_up) { 10853 legacy_speed = (legacy_status & (7<<8)); 10854 if (legacy_speed == (7<<8)) { 10855 vars->line_speed = SPEED_1000; 10856 vars->duplex = DUPLEX_FULL; 10857 } else if (legacy_speed == (6<<8)) { 10858 vars->line_speed = SPEED_1000; 10859 vars->duplex = DUPLEX_HALF; 10860 } else if (legacy_speed == (5<<8)) { 10861 vars->line_speed = SPEED_100; 10862 vars->duplex = DUPLEX_FULL; 10863 } 10864 /* Omitting 100Base-T4 for now */ 10865 else if (legacy_speed == (3<<8)) { 10866 vars->line_speed = SPEED_100; 10867 vars->duplex = DUPLEX_HALF; 10868 } else if (legacy_speed == (2<<8)) { 10869 vars->line_speed = SPEED_10; 10870 vars->duplex = DUPLEX_FULL; 10871 } else if (legacy_speed == (1<<8)) { 10872 vars->line_speed = SPEED_10; 10873 vars->duplex = DUPLEX_HALF; 10874 } else /* Should not happen */ 10875 vars->line_speed = 0; 10876 10877 DP(NETIF_MSG_LINK, 10878 "Link is up in %dMbps, is_duplex_full= %d\n", 10879 vars->line_speed, 10880 (vars->duplex == DUPLEX_FULL)); 10881 10882 /* Check legacy speed AN resolution */ 10883 bnx2x_cl22_read(bp, phy, 10884 0x01, 10885 &val); 10886 if (val & (1<<5)) 10887 vars->link_status |= 10888 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE; 10889 bnx2x_cl22_read(bp, phy, 10890 0x06, 10891 &val); 10892 if ((val & (1<<0)) == 0) 10893 vars->link_status |= 10894 LINK_STATUS_PARALLEL_DETECTION_USED; 10895 10896 DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n", 10897 vars->line_speed); 10898 10899 /* Report whether EEE is resolved. */ 10900 bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &val); 10901 if (val == MDIO_REG_GPHY_ID_54618SE) { 10902 if (vars->link_status & 10903 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) 10904 val = 0; 10905 else { 10906 bnx2x_cl22_write(bp, phy, 10907 MDIO_REG_GPHY_CL45_ADDR_REG, 10908 MDIO_AN_DEVAD); 10909 bnx2x_cl22_write(bp, phy, 10910 MDIO_REG_GPHY_CL45_DATA_REG, 10911 MDIO_REG_GPHY_EEE_RESOLVED); 10912 bnx2x_cl22_write(bp, phy, 10913 MDIO_REG_GPHY_CL45_ADDR_REG, 10914 (0x1 << 14) | MDIO_AN_DEVAD); 10915 bnx2x_cl22_read(bp, phy, 10916 MDIO_REG_GPHY_CL45_DATA_REG, 10917 &val); 10918 } 10919 DP(NETIF_MSG_LINK, "EEE resolution: 0x%x\n", val); 10920 } 10921 10922 bnx2x_ext_phy_resolve_fc(phy, params, vars); 10923 10924 if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) { 10925 /* Report LP advertised speeds */ 10926 bnx2x_cl22_read(bp, phy, 0x5, &val); 10927 10928 if (val & (1<<5)) 10929 vars->link_status |= 10930 LINK_STATUS_LINK_PARTNER_10THD_CAPABLE; 10931 if (val & (1<<6)) 10932 vars->link_status |= 10933 LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE; 10934 if (val & (1<<7)) 10935 vars->link_status |= 10936 LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE; 10937 if (val & (1<<8)) 10938 vars->link_status |= 10939 LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE; 10940 if (val & (1<<9)) 10941 vars->link_status |= 10942 LINK_STATUS_LINK_PARTNER_100T4_CAPABLE; 10943 10944 bnx2x_cl22_read(bp, phy, 0xa, &val); 10945 if (val & (1<<10)) 10946 vars->link_status |= 10947 LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE; 10948 if (val & (1<<11)) 10949 vars->link_status |= 10950 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE; 10951 } 10952 } 10953 return link_up; 10954 } 10955 10956 static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy, 10957 struct link_params *params) 10958 { 10959 struct bnx2x *bp = params->bp; 10960 u16 val; 10961 u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0; 10962 10963 DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n"); 10964 10965 /* Enable master/slave manual mmode and set to master */ 10966 /* mii write 9 [bits set 11 12] */ 10967 bnx2x_cl22_write(bp, phy, 0x09, 3<<11); 10968 10969 /* forced 1G and disable autoneg */ 10970 /* set val [mii read 0] */ 10971 /* set val [expr $val & [bits clear 6 12 13]] */ 10972 /* set val [expr $val | [bits set 6 8]] */ 10973 /* mii write 0 $val */ 10974 bnx2x_cl22_read(bp, phy, 0x00, &val); 10975 val &= ~((1<<6) | (1<<12) | (1<<13)); 10976 val |= (1<<6) | (1<<8); 10977 bnx2x_cl22_write(bp, phy, 0x00, val); 10978 10979 /* Set external loopback and Tx using 6dB coding */ 10980 /* mii write 0x18 7 */ 10981 /* set val [mii read 0x18] */ 10982 /* mii write 0x18 [expr $val | [bits set 10 15]] */ 10983 bnx2x_cl22_write(bp, phy, 0x18, 7); 10984 bnx2x_cl22_read(bp, phy, 0x18, &val); 10985 bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15)); 10986 10987 /* This register opens the gate for the UMAC despite its name */ 10988 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1); 10989 10990 /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame 10991 * length used by the MAC receive logic to check frames. 10992 */ 10993 REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710); 10994 } 10995 10996 /******************************************************************/ 10997 /* SFX7101 PHY SECTION */ 10998 /******************************************************************/ 10999 static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy, 11000 struct link_params *params) 11001 { 11002 struct bnx2x *bp = params->bp; 11003 /* SFX7101_XGXS_TEST1 */ 11004 bnx2x_cl45_write(bp, phy, 11005 MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100); 11006 } 11007 11008 static int bnx2x_7101_config_init(struct bnx2x_phy *phy, 11009 struct link_params *params, 11010 struct link_vars *vars) 11011 { 11012 u16 fw_ver1, fw_ver2, val; 11013 struct bnx2x *bp = params->bp; 11014 DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n"); 11015 11016 /* Restore normal power mode*/ 11017 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, 11018 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port); 11019 /* HW reset */ 11020 bnx2x_ext_phy_hw_reset(bp, params->port); 11021 bnx2x_wait_reset_complete(bp, phy, params); 11022 11023 bnx2x_cl45_write(bp, phy, 11024 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1); 11025 DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n"); 11026 bnx2x_cl45_write(bp, phy, 11027 MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3)); 11028 11029 bnx2x_ext_phy_set_pause(params, phy, vars); 11030 /* Restart autoneg */ 11031 bnx2x_cl45_read(bp, phy, 11032 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val); 11033 val |= 0x200; 11034 bnx2x_cl45_write(bp, phy, 11035 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val); 11036 11037 /* Save spirom version */ 11038 bnx2x_cl45_read(bp, phy, 11039 MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1); 11040 11041 bnx2x_cl45_read(bp, phy, 11042 MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2); 11043 bnx2x_save_spirom_version(bp, params->port, 11044 (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr); 11045 return 0; 11046 } 11047 11048 static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy, 11049 struct link_params *params, 11050 struct link_vars *vars) 11051 { 11052 struct bnx2x *bp = params->bp; 11053 u8 link_up; 11054 u16 val1, val2; 11055 bnx2x_cl45_read(bp, phy, 11056 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2); 11057 bnx2x_cl45_read(bp, phy, 11058 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1); 11059 DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n", 11060 val2, val1); 11061 bnx2x_cl45_read(bp, phy, 11062 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2); 11063 bnx2x_cl45_read(bp, phy, 11064 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1); 11065 DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n", 11066 val2, val1); 11067 link_up = ((val1 & 4) == 4); 11068 /* If link is up print the AN outcome of the SFX7101 PHY */ 11069 if (link_up) { 11070 bnx2x_cl45_read(bp, phy, 11071 MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS, 11072 &val2); 11073 vars->line_speed = SPEED_10000; 11074 vars->duplex = DUPLEX_FULL; 11075 DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n", 11076 val2, (val2 & (1<<14))); 11077 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars); 11078 bnx2x_ext_phy_resolve_fc(phy, params, vars); 11079 11080 /* Read LP advertised speeds */ 11081 if (val2 & (1<<11)) 11082 vars->link_status |= 11083 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE; 11084 } 11085 return link_up; 11086 } 11087 11088 static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len) 11089 { 11090 if (*len < 5) 11091 return -EINVAL; 11092 str[0] = (spirom_ver & 0xFF); 11093 str[1] = (spirom_ver & 0xFF00) >> 8; 11094 str[2] = (spirom_ver & 0xFF0000) >> 16; 11095 str[3] = (spirom_ver & 0xFF000000) >> 24; 11096 str[4] = '\0'; 11097 *len -= 5; 11098 return 0; 11099 } 11100 11101 void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy) 11102 { 11103 u16 val, cnt; 11104 11105 bnx2x_cl45_read(bp, phy, 11106 MDIO_PMA_DEVAD, 11107 MDIO_PMA_REG_7101_RESET, &val); 11108 11109 for (cnt = 0; cnt < 10; cnt++) { 11110 msleep(50); 11111 /* Writes a self-clearing reset */ 11112 bnx2x_cl45_write(bp, phy, 11113 MDIO_PMA_DEVAD, 11114 MDIO_PMA_REG_7101_RESET, 11115 (val | (1<<15))); 11116 /* Wait for clear */ 11117 bnx2x_cl45_read(bp, phy, 11118 MDIO_PMA_DEVAD, 11119 MDIO_PMA_REG_7101_RESET, &val); 11120 11121 if ((val & (1<<15)) == 0) 11122 break; 11123 } 11124 } 11125 11126 static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy, 11127 struct link_params *params) { 11128 /* Low power mode is controlled by GPIO 2 */ 11129 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2, 11130 MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port); 11131 /* The PHY reset is controlled by GPIO 1 */ 11132 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1, 11133 MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port); 11134 } 11135 11136 static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy, 11137 struct link_params *params, u8 mode) 11138 { 11139 u16 val = 0; 11140 struct bnx2x *bp = params->bp; 11141 switch (mode) { 11142 case LED_MODE_FRONT_PANEL_OFF: 11143 case LED_MODE_OFF: 11144 val = 2; 11145 break; 11146 case LED_MODE_ON: 11147 val = 1; 11148 break; 11149 case LED_MODE_OPER: 11150 val = 0; 11151 break; 11152 } 11153 bnx2x_cl45_write(bp, phy, 11154 MDIO_PMA_DEVAD, 11155 MDIO_PMA_REG_7107_LINK_LED_CNTL, 11156 val); 11157 } 11158 11159 /******************************************************************/ 11160 /* STATIC PHY DECLARATION */ 11161 /******************************************************************/ 11162 11163 static struct bnx2x_phy phy_null = { 11164 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN, 11165 .addr = 0, 11166 .def_md_devad = 0, 11167 .flags = FLAGS_INIT_XGXS_FIRST, 11168 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11169 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11170 .mdio_ctrl = 0, 11171 .supported = 0, 11172 .media_type = ETH_PHY_NOT_PRESENT, 11173 .ver_addr = 0, 11174 .req_flow_ctrl = 0, 11175 .req_line_speed = 0, 11176 .speed_cap_mask = 0, 11177 .req_duplex = 0, 11178 .rsrv = 0, 11179 .config_init = (config_init_t)NULL, 11180 .read_status = (read_status_t)NULL, 11181 .link_reset = (link_reset_t)NULL, 11182 .config_loopback = (config_loopback_t)NULL, 11183 .format_fw_ver = (format_fw_ver_t)NULL, 11184 .hw_reset = (hw_reset_t)NULL, 11185 .set_link_led = (set_link_led_t)NULL, 11186 .phy_specific_func = (phy_specific_func_t)NULL 11187 }; 11188 11189 static struct bnx2x_phy phy_serdes = { 11190 .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT, 11191 .addr = 0xff, 11192 .def_md_devad = 0, 11193 .flags = 0, 11194 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11195 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11196 .mdio_ctrl = 0, 11197 .supported = (SUPPORTED_10baseT_Half | 11198 SUPPORTED_10baseT_Full | 11199 SUPPORTED_100baseT_Half | 11200 SUPPORTED_100baseT_Full | 11201 SUPPORTED_1000baseT_Full | 11202 SUPPORTED_2500baseX_Full | 11203 SUPPORTED_TP | 11204 SUPPORTED_Autoneg | 11205 SUPPORTED_Pause | 11206 SUPPORTED_Asym_Pause), 11207 .media_type = ETH_PHY_BASE_T, 11208 .ver_addr = 0, 11209 .req_flow_ctrl = 0, 11210 .req_line_speed = 0, 11211 .speed_cap_mask = 0, 11212 .req_duplex = 0, 11213 .rsrv = 0, 11214 .config_init = (config_init_t)bnx2x_xgxs_config_init, 11215 .read_status = (read_status_t)bnx2x_link_settings_status, 11216 .link_reset = (link_reset_t)bnx2x_int_link_reset, 11217 .config_loopback = (config_loopback_t)NULL, 11218 .format_fw_ver = (format_fw_ver_t)NULL, 11219 .hw_reset = (hw_reset_t)NULL, 11220 .set_link_led = (set_link_led_t)NULL, 11221 .phy_specific_func = (phy_specific_func_t)NULL 11222 }; 11223 11224 static struct bnx2x_phy phy_xgxs = { 11225 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT, 11226 .addr = 0xff, 11227 .def_md_devad = 0, 11228 .flags = 0, 11229 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11230 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11231 .mdio_ctrl = 0, 11232 .supported = (SUPPORTED_10baseT_Half | 11233 SUPPORTED_10baseT_Full | 11234 SUPPORTED_100baseT_Half | 11235 SUPPORTED_100baseT_Full | 11236 SUPPORTED_1000baseT_Full | 11237 SUPPORTED_2500baseX_Full | 11238 SUPPORTED_10000baseT_Full | 11239 SUPPORTED_FIBRE | 11240 SUPPORTED_Autoneg | 11241 SUPPORTED_Pause | 11242 SUPPORTED_Asym_Pause), 11243 .media_type = ETH_PHY_CX4, 11244 .ver_addr = 0, 11245 .req_flow_ctrl = 0, 11246 .req_line_speed = 0, 11247 .speed_cap_mask = 0, 11248 .req_duplex = 0, 11249 .rsrv = 0, 11250 .config_init = (config_init_t)bnx2x_xgxs_config_init, 11251 .read_status = (read_status_t)bnx2x_link_settings_status, 11252 .link_reset = (link_reset_t)bnx2x_int_link_reset, 11253 .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback, 11254 .format_fw_ver = (format_fw_ver_t)NULL, 11255 .hw_reset = (hw_reset_t)NULL, 11256 .set_link_led = (set_link_led_t)NULL, 11257 .phy_specific_func = (phy_specific_func_t)NULL 11258 }; 11259 static struct bnx2x_phy phy_warpcore = { 11260 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT, 11261 .addr = 0xff, 11262 .def_md_devad = 0, 11263 .flags = (FLAGS_HW_LOCK_REQUIRED | 11264 FLAGS_TX_ERROR_CHECK), 11265 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11266 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11267 .mdio_ctrl = 0, 11268 .supported = (SUPPORTED_10baseT_Half | 11269 SUPPORTED_10baseT_Full | 11270 SUPPORTED_100baseT_Half | 11271 SUPPORTED_100baseT_Full | 11272 SUPPORTED_1000baseT_Full | 11273 SUPPORTED_10000baseT_Full | 11274 SUPPORTED_20000baseKR2_Full | 11275 SUPPORTED_20000baseMLD2_Full | 11276 SUPPORTED_FIBRE | 11277 SUPPORTED_Autoneg | 11278 SUPPORTED_Pause | 11279 SUPPORTED_Asym_Pause), 11280 .media_type = ETH_PHY_UNSPECIFIED, 11281 .ver_addr = 0, 11282 .req_flow_ctrl = 0, 11283 .req_line_speed = 0, 11284 .speed_cap_mask = 0, 11285 /* req_duplex = */0, 11286 /* rsrv = */0, 11287 .config_init = (config_init_t)bnx2x_warpcore_config_init, 11288 .read_status = (read_status_t)bnx2x_warpcore_read_status, 11289 .link_reset = (link_reset_t)bnx2x_warpcore_link_reset, 11290 .config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback, 11291 .format_fw_ver = (format_fw_ver_t)NULL, 11292 .hw_reset = (hw_reset_t)bnx2x_warpcore_hw_reset, 11293 .set_link_led = (set_link_led_t)NULL, 11294 .phy_specific_func = (phy_specific_func_t)NULL 11295 }; 11296 11297 11298 static struct bnx2x_phy phy_7101 = { 11299 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101, 11300 .addr = 0xff, 11301 .def_md_devad = 0, 11302 .flags = FLAGS_FAN_FAILURE_DET_REQ, 11303 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11304 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11305 .mdio_ctrl = 0, 11306 .supported = (SUPPORTED_10000baseT_Full | 11307 SUPPORTED_TP | 11308 SUPPORTED_Autoneg | 11309 SUPPORTED_Pause | 11310 SUPPORTED_Asym_Pause), 11311 .media_type = ETH_PHY_BASE_T, 11312 .ver_addr = 0, 11313 .req_flow_ctrl = 0, 11314 .req_line_speed = 0, 11315 .speed_cap_mask = 0, 11316 .req_duplex = 0, 11317 .rsrv = 0, 11318 .config_init = (config_init_t)bnx2x_7101_config_init, 11319 .read_status = (read_status_t)bnx2x_7101_read_status, 11320 .link_reset = (link_reset_t)bnx2x_common_ext_link_reset, 11321 .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback, 11322 .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver, 11323 .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset, 11324 .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led, 11325 .phy_specific_func = (phy_specific_func_t)NULL 11326 }; 11327 static struct bnx2x_phy phy_8073 = { 11328 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073, 11329 .addr = 0xff, 11330 .def_md_devad = 0, 11331 .flags = FLAGS_HW_LOCK_REQUIRED, 11332 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11333 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11334 .mdio_ctrl = 0, 11335 .supported = (SUPPORTED_10000baseT_Full | 11336 SUPPORTED_2500baseX_Full | 11337 SUPPORTED_1000baseT_Full | 11338 SUPPORTED_FIBRE | 11339 SUPPORTED_Autoneg | 11340 SUPPORTED_Pause | 11341 SUPPORTED_Asym_Pause), 11342 .media_type = ETH_PHY_KR, 11343 .ver_addr = 0, 11344 .req_flow_ctrl = 0, 11345 .req_line_speed = 0, 11346 .speed_cap_mask = 0, 11347 .req_duplex = 0, 11348 .rsrv = 0, 11349 .config_init = (config_init_t)bnx2x_8073_config_init, 11350 .read_status = (read_status_t)bnx2x_8073_read_status, 11351 .link_reset = (link_reset_t)bnx2x_8073_link_reset, 11352 .config_loopback = (config_loopback_t)NULL, 11353 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver, 11354 .hw_reset = (hw_reset_t)NULL, 11355 .set_link_led = (set_link_led_t)NULL, 11356 .phy_specific_func = (phy_specific_func_t)NULL 11357 }; 11358 static struct bnx2x_phy phy_8705 = { 11359 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705, 11360 .addr = 0xff, 11361 .def_md_devad = 0, 11362 .flags = FLAGS_INIT_XGXS_FIRST, 11363 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11364 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11365 .mdio_ctrl = 0, 11366 .supported = (SUPPORTED_10000baseT_Full | 11367 SUPPORTED_FIBRE | 11368 SUPPORTED_Pause | 11369 SUPPORTED_Asym_Pause), 11370 .media_type = ETH_PHY_XFP_FIBER, 11371 .ver_addr = 0, 11372 .req_flow_ctrl = 0, 11373 .req_line_speed = 0, 11374 .speed_cap_mask = 0, 11375 .req_duplex = 0, 11376 .rsrv = 0, 11377 .config_init = (config_init_t)bnx2x_8705_config_init, 11378 .read_status = (read_status_t)bnx2x_8705_read_status, 11379 .link_reset = (link_reset_t)bnx2x_common_ext_link_reset, 11380 .config_loopback = (config_loopback_t)NULL, 11381 .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver, 11382 .hw_reset = (hw_reset_t)NULL, 11383 .set_link_led = (set_link_led_t)NULL, 11384 .phy_specific_func = (phy_specific_func_t)NULL 11385 }; 11386 static struct bnx2x_phy phy_8706 = { 11387 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706, 11388 .addr = 0xff, 11389 .def_md_devad = 0, 11390 .flags = FLAGS_INIT_XGXS_FIRST, 11391 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11392 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11393 .mdio_ctrl = 0, 11394 .supported = (SUPPORTED_10000baseT_Full | 11395 SUPPORTED_1000baseT_Full | 11396 SUPPORTED_FIBRE | 11397 SUPPORTED_Pause | 11398 SUPPORTED_Asym_Pause), 11399 .media_type = ETH_PHY_SFPP_10G_FIBER, 11400 .ver_addr = 0, 11401 .req_flow_ctrl = 0, 11402 .req_line_speed = 0, 11403 .speed_cap_mask = 0, 11404 .req_duplex = 0, 11405 .rsrv = 0, 11406 .config_init = (config_init_t)bnx2x_8706_config_init, 11407 .read_status = (read_status_t)bnx2x_8706_read_status, 11408 .link_reset = (link_reset_t)bnx2x_common_ext_link_reset, 11409 .config_loopback = (config_loopback_t)NULL, 11410 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver, 11411 .hw_reset = (hw_reset_t)NULL, 11412 .set_link_led = (set_link_led_t)NULL, 11413 .phy_specific_func = (phy_specific_func_t)NULL 11414 }; 11415 11416 static struct bnx2x_phy phy_8726 = { 11417 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726, 11418 .addr = 0xff, 11419 .def_md_devad = 0, 11420 .flags = (FLAGS_HW_LOCK_REQUIRED | 11421 FLAGS_INIT_XGXS_FIRST | 11422 FLAGS_TX_ERROR_CHECK), 11423 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11424 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11425 .mdio_ctrl = 0, 11426 .supported = (SUPPORTED_10000baseT_Full | 11427 SUPPORTED_1000baseT_Full | 11428 SUPPORTED_Autoneg | 11429 SUPPORTED_FIBRE | 11430 SUPPORTED_Pause | 11431 SUPPORTED_Asym_Pause), 11432 .media_type = ETH_PHY_NOT_PRESENT, 11433 .ver_addr = 0, 11434 .req_flow_ctrl = 0, 11435 .req_line_speed = 0, 11436 .speed_cap_mask = 0, 11437 .req_duplex = 0, 11438 .rsrv = 0, 11439 .config_init = (config_init_t)bnx2x_8726_config_init, 11440 .read_status = (read_status_t)bnx2x_8726_read_status, 11441 .link_reset = (link_reset_t)bnx2x_8726_link_reset, 11442 .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback, 11443 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver, 11444 .hw_reset = (hw_reset_t)NULL, 11445 .set_link_led = (set_link_led_t)NULL, 11446 .phy_specific_func = (phy_specific_func_t)NULL 11447 }; 11448 11449 static struct bnx2x_phy phy_8727 = { 11450 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727, 11451 .addr = 0xff, 11452 .def_md_devad = 0, 11453 .flags = (FLAGS_FAN_FAILURE_DET_REQ | 11454 FLAGS_TX_ERROR_CHECK), 11455 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11456 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11457 .mdio_ctrl = 0, 11458 .supported = (SUPPORTED_10000baseT_Full | 11459 SUPPORTED_1000baseT_Full | 11460 SUPPORTED_FIBRE | 11461 SUPPORTED_Pause | 11462 SUPPORTED_Asym_Pause), 11463 .media_type = ETH_PHY_NOT_PRESENT, 11464 .ver_addr = 0, 11465 .req_flow_ctrl = 0, 11466 .req_line_speed = 0, 11467 .speed_cap_mask = 0, 11468 .req_duplex = 0, 11469 .rsrv = 0, 11470 .config_init = (config_init_t)bnx2x_8727_config_init, 11471 .read_status = (read_status_t)bnx2x_8727_read_status, 11472 .link_reset = (link_reset_t)bnx2x_8727_link_reset, 11473 .config_loopback = (config_loopback_t)NULL, 11474 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver, 11475 .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset, 11476 .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led, 11477 .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func 11478 }; 11479 static struct bnx2x_phy phy_8481 = { 11480 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481, 11481 .addr = 0xff, 11482 .def_md_devad = 0, 11483 .flags = FLAGS_FAN_FAILURE_DET_REQ | 11484 FLAGS_REARM_LATCH_SIGNAL, 11485 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11486 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11487 .mdio_ctrl = 0, 11488 .supported = (SUPPORTED_10baseT_Half | 11489 SUPPORTED_10baseT_Full | 11490 SUPPORTED_100baseT_Half | 11491 SUPPORTED_100baseT_Full | 11492 SUPPORTED_1000baseT_Full | 11493 SUPPORTED_10000baseT_Full | 11494 SUPPORTED_TP | 11495 SUPPORTED_Autoneg | 11496 SUPPORTED_Pause | 11497 SUPPORTED_Asym_Pause), 11498 .media_type = ETH_PHY_BASE_T, 11499 .ver_addr = 0, 11500 .req_flow_ctrl = 0, 11501 .req_line_speed = 0, 11502 .speed_cap_mask = 0, 11503 .req_duplex = 0, 11504 .rsrv = 0, 11505 .config_init = (config_init_t)bnx2x_8481_config_init, 11506 .read_status = (read_status_t)bnx2x_848xx_read_status, 11507 .link_reset = (link_reset_t)bnx2x_8481_link_reset, 11508 .config_loopback = (config_loopback_t)NULL, 11509 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver, 11510 .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset, 11511 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led, 11512 .phy_specific_func = (phy_specific_func_t)NULL 11513 }; 11514 11515 static struct bnx2x_phy phy_84823 = { 11516 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823, 11517 .addr = 0xff, 11518 .def_md_devad = 0, 11519 .flags = (FLAGS_FAN_FAILURE_DET_REQ | 11520 FLAGS_REARM_LATCH_SIGNAL | 11521 FLAGS_TX_ERROR_CHECK), 11522 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11523 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11524 .mdio_ctrl = 0, 11525 .supported = (SUPPORTED_10baseT_Half | 11526 SUPPORTED_10baseT_Full | 11527 SUPPORTED_100baseT_Half | 11528 SUPPORTED_100baseT_Full | 11529 SUPPORTED_1000baseT_Full | 11530 SUPPORTED_10000baseT_Full | 11531 SUPPORTED_TP | 11532 SUPPORTED_Autoneg | 11533 SUPPORTED_Pause | 11534 SUPPORTED_Asym_Pause), 11535 .media_type = ETH_PHY_BASE_T, 11536 .ver_addr = 0, 11537 .req_flow_ctrl = 0, 11538 .req_line_speed = 0, 11539 .speed_cap_mask = 0, 11540 .req_duplex = 0, 11541 .rsrv = 0, 11542 .config_init = (config_init_t)bnx2x_848x3_config_init, 11543 .read_status = (read_status_t)bnx2x_848xx_read_status, 11544 .link_reset = (link_reset_t)bnx2x_848x3_link_reset, 11545 .config_loopback = (config_loopback_t)NULL, 11546 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver, 11547 .hw_reset = (hw_reset_t)NULL, 11548 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led, 11549 .phy_specific_func = (phy_specific_func_t)NULL 11550 }; 11551 11552 static struct bnx2x_phy phy_84833 = { 11553 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833, 11554 .addr = 0xff, 11555 .def_md_devad = 0, 11556 .flags = (FLAGS_FAN_FAILURE_DET_REQ | 11557 FLAGS_REARM_LATCH_SIGNAL | 11558 FLAGS_TX_ERROR_CHECK | 11559 FLAGS_EEE_10GBT), 11560 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11561 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11562 .mdio_ctrl = 0, 11563 .supported = (SUPPORTED_100baseT_Half | 11564 SUPPORTED_100baseT_Full | 11565 SUPPORTED_1000baseT_Full | 11566 SUPPORTED_10000baseT_Full | 11567 SUPPORTED_TP | 11568 SUPPORTED_Autoneg | 11569 SUPPORTED_Pause | 11570 SUPPORTED_Asym_Pause), 11571 .media_type = ETH_PHY_BASE_T, 11572 .ver_addr = 0, 11573 .req_flow_ctrl = 0, 11574 .req_line_speed = 0, 11575 .speed_cap_mask = 0, 11576 .req_duplex = 0, 11577 .rsrv = 0, 11578 .config_init = (config_init_t)bnx2x_848x3_config_init, 11579 .read_status = (read_status_t)bnx2x_848xx_read_status, 11580 .link_reset = (link_reset_t)bnx2x_848x3_link_reset, 11581 .config_loopback = (config_loopback_t)NULL, 11582 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver, 11583 .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy, 11584 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led, 11585 .phy_specific_func = (phy_specific_func_t)NULL 11586 }; 11587 11588 static struct bnx2x_phy phy_54618se = { 11589 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE, 11590 .addr = 0xff, 11591 .def_md_devad = 0, 11592 .flags = FLAGS_INIT_XGXS_FIRST, 11593 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11594 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 11595 .mdio_ctrl = 0, 11596 .supported = (SUPPORTED_10baseT_Half | 11597 SUPPORTED_10baseT_Full | 11598 SUPPORTED_100baseT_Half | 11599 SUPPORTED_100baseT_Full | 11600 SUPPORTED_1000baseT_Full | 11601 SUPPORTED_TP | 11602 SUPPORTED_Autoneg | 11603 SUPPORTED_Pause | 11604 SUPPORTED_Asym_Pause), 11605 .media_type = ETH_PHY_BASE_T, 11606 .ver_addr = 0, 11607 .req_flow_ctrl = 0, 11608 .req_line_speed = 0, 11609 .speed_cap_mask = 0, 11610 /* req_duplex = */0, 11611 /* rsrv = */0, 11612 .config_init = (config_init_t)bnx2x_54618se_config_init, 11613 .read_status = (read_status_t)bnx2x_54618se_read_status, 11614 .link_reset = (link_reset_t)bnx2x_54618se_link_reset, 11615 .config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback, 11616 .format_fw_ver = (format_fw_ver_t)NULL, 11617 .hw_reset = (hw_reset_t)NULL, 11618 .set_link_led = (set_link_led_t)bnx2x_5461x_set_link_led, 11619 .phy_specific_func = (phy_specific_func_t)NULL 11620 }; 11621 /*****************************************************************/ 11622 /* */ 11623 /* Populate the phy according. Main function: bnx2x_populate_phy */ 11624 /* */ 11625 /*****************************************************************/ 11626 11627 static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base, 11628 struct bnx2x_phy *phy, u8 port, 11629 u8 phy_index) 11630 { 11631 /* Get the 4 lanes xgxs config rx and tx */ 11632 u32 rx = 0, tx = 0, i; 11633 for (i = 0; i < 2; i++) { 11634 /* INT_PHY and EXT_PHY1 share the same value location in 11635 * the shmem. When num_phys is greater than 1, than this value 11636 * applies only to EXT_PHY1 11637 */ 11638 if (phy_index == INT_PHY || phy_index == EXT_PHY1) { 11639 rx = REG_RD(bp, shmem_base + 11640 offsetof(struct shmem_region, 11641 dev_info.port_hw_config[port].xgxs_config_rx[i<<1])); 11642 11643 tx = REG_RD(bp, shmem_base + 11644 offsetof(struct shmem_region, 11645 dev_info.port_hw_config[port].xgxs_config_tx[i<<1])); 11646 } else { 11647 rx = REG_RD(bp, shmem_base + 11648 offsetof(struct shmem_region, 11649 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1])); 11650 11651 tx = REG_RD(bp, shmem_base + 11652 offsetof(struct shmem_region, 11653 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1])); 11654 } 11655 11656 phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff); 11657 phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff); 11658 11659 phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff); 11660 phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff); 11661 } 11662 } 11663 11664 static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base, 11665 u8 phy_index, u8 port) 11666 { 11667 u32 ext_phy_config = 0; 11668 switch (phy_index) { 11669 case EXT_PHY1: 11670 ext_phy_config = REG_RD(bp, shmem_base + 11671 offsetof(struct shmem_region, 11672 dev_info.port_hw_config[port].external_phy_config)); 11673 break; 11674 case EXT_PHY2: 11675 ext_phy_config = REG_RD(bp, shmem_base + 11676 offsetof(struct shmem_region, 11677 dev_info.port_hw_config[port].external_phy_config2)); 11678 break; 11679 default: 11680 DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index); 11681 return -EINVAL; 11682 } 11683 11684 return ext_phy_config; 11685 } 11686 static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port, 11687 struct bnx2x_phy *phy) 11688 { 11689 u32 phy_addr; 11690 u32 chip_id; 11691 u32 switch_cfg = (REG_RD(bp, shmem_base + 11692 offsetof(struct shmem_region, 11693 dev_info.port_feature_config[port].link_config)) & 11694 PORT_FEATURE_CONNECTED_SWITCH_MASK); 11695 chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) | 11696 ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12); 11697 11698 DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id); 11699 if (USES_WARPCORE(bp)) { 11700 u32 serdes_net_if; 11701 phy_addr = REG_RD(bp, 11702 MISC_REG_WC0_CTRL_PHY_ADDR); 11703 *phy = phy_warpcore; 11704 if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3) 11705 phy->flags |= FLAGS_4_PORT_MODE; 11706 else 11707 phy->flags &= ~FLAGS_4_PORT_MODE; 11708 /* Check Dual mode */ 11709 serdes_net_if = (REG_RD(bp, shmem_base + 11710 offsetof(struct shmem_region, dev_info. 11711 port_hw_config[port].default_cfg)) & 11712 PORT_HW_CFG_NET_SERDES_IF_MASK); 11713 /* Set the appropriate supported and flags indications per 11714 * interface type of the chip 11715 */ 11716 switch (serdes_net_if) { 11717 case PORT_HW_CFG_NET_SERDES_IF_SGMII: 11718 phy->supported &= (SUPPORTED_10baseT_Half | 11719 SUPPORTED_10baseT_Full | 11720 SUPPORTED_100baseT_Half | 11721 SUPPORTED_100baseT_Full | 11722 SUPPORTED_1000baseT_Full | 11723 SUPPORTED_FIBRE | 11724 SUPPORTED_Autoneg | 11725 SUPPORTED_Pause | 11726 SUPPORTED_Asym_Pause); 11727 phy->media_type = ETH_PHY_BASE_T; 11728 break; 11729 case PORT_HW_CFG_NET_SERDES_IF_XFI: 11730 phy->media_type = ETH_PHY_XFP_FIBER; 11731 break; 11732 case PORT_HW_CFG_NET_SERDES_IF_SFI: 11733 phy->supported &= (SUPPORTED_1000baseT_Full | 11734 SUPPORTED_10000baseT_Full | 11735 SUPPORTED_FIBRE | 11736 SUPPORTED_Pause | 11737 SUPPORTED_Asym_Pause); 11738 phy->media_type = ETH_PHY_SFPP_10G_FIBER; 11739 break; 11740 case PORT_HW_CFG_NET_SERDES_IF_KR: 11741 phy->media_type = ETH_PHY_KR; 11742 phy->supported &= (SUPPORTED_1000baseT_Full | 11743 SUPPORTED_10000baseT_Full | 11744 SUPPORTED_FIBRE | 11745 SUPPORTED_Autoneg | 11746 SUPPORTED_Pause | 11747 SUPPORTED_Asym_Pause); 11748 break; 11749 case PORT_HW_CFG_NET_SERDES_IF_DXGXS: 11750 phy->media_type = ETH_PHY_KR; 11751 phy->flags |= FLAGS_WC_DUAL_MODE; 11752 phy->supported &= (SUPPORTED_20000baseMLD2_Full | 11753 SUPPORTED_FIBRE | 11754 SUPPORTED_Pause | 11755 SUPPORTED_Asym_Pause); 11756 break; 11757 case PORT_HW_CFG_NET_SERDES_IF_KR2: 11758 phy->media_type = ETH_PHY_KR; 11759 phy->flags |= FLAGS_WC_DUAL_MODE; 11760 phy->supported &= (SUPPORTED_20000baseKR2_Full | 11761 SUPPORTED_FIBRE | 11762 SUPPORTED_Pause | 11763 SUPPORTED_Asym_Pause); 11764 break; 11765 default: 11766 DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n", 11767 serdes_net_if); 11768 break; 11769 } 11770 11771 /* Enable MDC/MDIO work-around for E3 A0 since free running MDC 11772 * was not set as expected. For B0, ECO will be enabled so there 11773 * won't be an issue there 11774 */ 11775 if (CHIP_REV(bp) == CHIP_REV_Ax) 11776 phy->flags |= FLAGS_MDC_MDIO_WA; 11777 else 11778 phy->flags |= FLAGS_MDC_MDIO_WA_B0; 11779 } else { 11780 switch (switch_cfg) { 11781 case SWITCH_CFG_1G: 11782 phy_addr = REG_RD(bp, 11783 NIG_REG_SERDES0_CTRL_PHY_ADDR + 11784 port * 0x10); 11785 *phy = phy_serdes; 11786 break; 11787 case SWITCH_CFG_10G: 11788 phy_addr = REG_RD(bp, 11789 NIG_REG_XGXS0_CTRL_PHY_ADDR + 11790 port * 0x18); 11791 *phy = phy_xgxs; 11792 break; 11793 default: 11794 DP(NETIF_MSG_LINK, "Invalid switch_cfg\n"); 11795 return -EINVAL; 11796 } 11797 } 11798 phy->addr = (u8)phy_addr; 11799 phy->mdio_ctrl = bnx2x_get_emac_base(bp, 11800 SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH, 11801 port); 11802 if (CHIP_IS_E2(bp)) 11803 phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR; 11804 else 11805 phy->def_md_devad = DEFAULT_PHY_DEV_ADDR; 11806 11807 DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n", 11808 port, phy->addr, phy->mdio_ctrl); 11809 11810 bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY); 11811 return 0; 11812 } 11813 11814 static int bnx2x_populate_ext_phy(struct bnx2x *bp, 11815 u8 phy_index, 11816 u32 shmem_base, 11817 u32 shmem2_base, 11818 u8 port, 11819 struct bnx2x_phy *phy) 11820 { 11821 u32 ext_phy_config, phy_type, config2; 11822 u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH; 11823 ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base, 11824 phy_index, port); 11825 phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config); 11826 /* Select the phy type */ 11827 switch (phy_type) { 11828 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073: 11829 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED; 11830 *phy = phy_8073; 11831 break; 11832 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705: 11833 *phy = phy_8705; 11834 break; 11835 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706: 11836 *phy = phy_8706; 11837 break; 11838 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726: 11839 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1; 11840 *phy = phy_8726; 11841 break; 11842 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC: 11843 /* BCM8727_NOC => BCM8727 no over current */ 11844 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1; 11845 *phy = phy_8727; 11846 phy->flags |= FLAGS_NOC; 11847 break; 11848 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722: 11849 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727: 11850 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1; 11851 *phy = phy_8727; 11852 break; 11853 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481: 11854 *phy = phy_8481; 11855 break; 11856 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823: 11857 *phy = phy_84823; 11858 break; 11859 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833: 11860 *phy = phy_84833; 11861 break; 11862 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616: 11863 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE: 11864 *phy = phy_54618se; 11865 break; 11866 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101: 11867 *phy = phy_7101; 11868 break; 11869 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE: 11870 *phy = phy_null; 11871 return -EINVAL; 11872 default: 11873 *phy = phy_null; 11874 /* In case external PHY wasn't found */ 11875 if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) && 11876 (phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)) 11877 return -EINVAL; 11878 return 0; 11879 } 11880 11881 phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config); 11882 bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index); 11883 11884 /* The shmem address of the phy version is located on different 11885 * structures. In case this structure is too old, do not set 11886 * the address 11887 */ 11888 config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region, 11889 dev_info.shared_hw_config.config2)); 11890 if (phy_index == EXT_PHY1) { 11891 phy->ver_addr = shmem_base + offsetof(struct shmem_region, 11892 port_mb[port].ext_phy_fw_version); 11893 11894 /* Check specific mdc mdio settings */ 11895 if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK) 11896 mdc_mdio_access = config2 & 11897 SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK; 11898 } else { 11899 u32 size = REG_RD(bp, shmem2_base); 11900 11901 if (size > 11902 offsetof(struct shmem2_region, ext_phy_fw_version2)) { 11903 phy->ver_addr = shmem2_base + 11904 offsetof(struct shmem2_region, 11905 ext_phy_fw_version2[port]); 11906 } 11907 /* Check specific mdc mdio settings */ 11908 if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) 11909 mdc_mdio_access = (config2 & 11910 SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >> 11911 (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT - 11912 SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT); 11913 } 11914 phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port); 11915 11916 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) && 11917 (phy->ver_addr)) { 11918 /* Remove 100Mb link supported for BCM84833 when phy fw 11919 * version lower than or equal to 1.39 11920 */ 11921 u32 raw_ver = REG_RD(bp, phy->ver_addr); 11922 if (((raw_ver & 0x7F) <= 39) && 11923 (((raw_ver & 0xF80) >> 7) <= 1)) 11924 phy->supported &= ~(SUPPORTED_100baseT_Half | 11925 SUPPORTED_100baseT_Full); 11926 } 11927 11928 /* In case mdc/mdio_access of the external phy is different than the 11929 * mdc/mdio access of the XGXS, a HW lock must be taken in each access 11930 * to prevent one port interfere with another port's CL45 operations. 11931 */ 11932 if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH) 11933 phy->flags |= FLAGS_HW_LOCK_REQUIRED; 11934 DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n", 11935 phy_type, port, phy_index); 11936 DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n", 11937 phy->addr, phy->mdio_ctrl); 11938 return 0; 11939 } 11940 11941 static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base, 11942 u32 shmem2_base, u8 port, struct bnx2x_phy *phy) 11943 { 11944 int status = 0; 11945 phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN; 11946 if (phy_index == INT_PHY) 11947 return bnx2x_populate_int_phy(bp, shmem_base, port, phy); 11948 status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base, 11949 port, phy); 11950 return status; 11951 } 11952 11953 static void bnx2x_phy_def_cfg(struct link_params *params, 11954 struct bnx2x_phy *phy, 11955 u8 phy_index) 11956 { 11957 struct bnx2x *bp = params->bp; 11958 u32 link_config; 11959 /* Populate the default phy configuration for MF mode */ 11960 if (phy_index == EXT_PHY2) { 11961 link_config = REG_RD(bp, params->shmem_base + 11962 offsetof(struct shmem_region, dev_info. 11963 port_feature_config[params->port].link_config2)); 11964 phy->speed_cap_mask = REG_RD(bp, params->shmem_base + 11965 offsetof(struct shmem_region, 11966 dev_info. 11967 port_hw_config[params->port].speed_capability_mask2)); 11968 } else { 11969 link_config = REG_RD(bp, params->shmem_base + 11970 offsetof(struct shmem_region, dev_info. 11971 port_feature_config[params->port].link_config)); 11972 phy->speed_cap_mask = REG_RD(bp, params->shmem_base + 11973 offsetof(struct shmem_region, 11974 dev_info. 11975 port_hw_config[params->port].speed_capability_mask)); 11976 } 11977 DP(NETIF_MSG_LINK, 11978 "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n", 11979 phy_index, link_config, phy->speed_cap_mask); 11980 11981 phy->req_duplex = DUPLEX_FULL; 11982 switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) { 11983 case PORT_FEATURE_LINK_SPEED_10M_HALF: 11984 phy->req_duplex = DUPLEX_HALF; 11985 case PORT_FEATURE_LINK_SPEED_10M_FULL: 11986 phy->req_line_speed = SPEED_10; 11987 break; 11988 case PORT_FEATURE_LINK_SPEED_100M_HALF: 11989 phy->req_duplex = DUPLEX_HALF; 11990 case PORT_FEATURE_LINK_SPEED_100M_FULL: 11991 phy->req_line_speed = SPEED_100; 11992 break; 11993 case PORT_FEATURE_LINK_SPEED_1G: 11994 phy->req_line_speed = SPEED_1000; 11995 break; 11996 case PORT_FEATURE_LINK_SPEED_2_5G: 11997 phy->req_line_speed = SPEED_2500; 11998 break; 11999 case PORT_FEATURE_LINK_SPEED_10G_CX4: 12000 phy->req_line_speed = SPEED_10000; 12001 break; 12002 default: 12003 phy->req_line_speed = SPEED_AUTO_NEG; 12004 break; 12005 } 12006 12007 switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) { 12008 case PORT_FEATURE_FLOW_CONTROL_AUTO: 12009 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO; 12010 break; 12011 case PORT_FEATURE_FLOW_CONTROL_TX: 12012 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX; 12013 break; 12014 case PORT_FEATURE_FLOW_CONTROL_RX: 12015 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX; 12016 break; 12017 case PORT_FEATURE_FLOW_CONTROL_BOTH: 12018 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH; 12019 break; 12020 default: 12021 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE; 12022 break; 12023 } 12024 } 12025 12026 u32 bnx2x_phy_selection(struct link_params *params) 12027 { 12028 u32 phy_config_swapped, prio_cfg; 12029 u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT; 12030 12031 phy_config_swapped = params->multi_phy_config & 12032 PORT_HW_CFG_PHY_SWAPPED_ENABLED; 12033 12034 prio_cfg = params->multi_phy_config & 12035 PORT_HW_CFG_PHY_SELECTION_MASK; 12036 12037 if (phy_config_swapped) { 12038 switch (prio_cfg) { 12039 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY: 12040 return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY; 12041 break; 12042 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY: 12043 return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY; 12044 break; 12045 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY: 12046 return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY; 12047 break; 12048 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY: 12049 return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY; 12050 break; 12051 } 12052 } else 12053 return_cfg = prio_cfg; 12054 12055 return return_cfg; 12056 } 12057 12058 12059 int bnx2x_phy_probe(struct link_params *params) 12060 { 12061 u8 phy_index, actual_phy_idx; 12062 u32 phy_config_swapped, sync_offset, media_types; 12063 struct bnx2x *bp = params->bp; 12064 struct bnx2x_phy *phy; 12065 params->num_phys = 0; 12066 DP(NETIF_MSG_LINK, "Begin phy probe\n"); 12067 phy_config_swapped = params->multi_phy_config & 12068 PORT_HW_CFG_PHY_SWAPPED_ENABLED; 12069 12070 for (phy_index = INT_PHY; phy_index < MAX_PHYS; 12071 phy_index++) { 12072 actual_phy_idx = phy_index; 12073 if (phy_config_swapped) { 12074 if (phy_index == EXT_PHY1) 12075 actual_phy_idx = EXT_PHY2; 12076 else if (phy_index == EXT_PHY2) 12077 actual_phy_idx = EXT_PHY1; 12078 } 12079 DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x," 12080 " actual_phy_idx %x\n", phy_config_swapped, 12081 phy_index, actual_phy_idx); 12082 phy = ¶ms->phy[actual_phy_idx]; 12083 if (bnx2x_populate_phy(bp, phy_index, params->shmem_base, 12084 params->shmem2_base, params->port, 12085 phy) != 0) { 12086 params->num_phys = 0; 12087 DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n", 12088 phy_index); 12089 for (phy_index = INT_PHY; 12090 phy_index < MAX_PHYS; 12091 phy_index++) 12092 *phy = phy_null; 12093 return -EINVAL; 12094 } 12095 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN) 12096 break; 12097 12098 if (params->feature_config_flags & 12099 FEATURE_CONFIG_DISABLE_REMOTE_FAULT_DET) 12100 phy->flags &= ~FLAGS_TX_ERROR_CHECK; 12101 12102 sync_offset = params->shmem_base + 12103 offsetof(struct shmem_region, 12104 dev_info.port_hw_config[params->port].media_type); 12105 media_types = REG_RD(bp, sync_offset); 12106 12107 /* Update media type for non-PMF sync only for the first time 12108 * In case the media type changes afterwards, it will be updated 12109 * using the update_status function 12110 */ 12111 if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK << 12112 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * 12113 actual_phy_idx))) == 0) { 12114 media_types |= ((phy->media_type & 12115 PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) << 12116 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * 12117 actual_phy_idx)); 12118 } 12119 REG_WR(bp, sync_offset, media_types); 12120 12121 bnx2x_phy_def_cfg(params, phy, phy_index); 12122 params->num_phys++; 12123 } 12124 12125 DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys); 12126 return 0; 12127 } 12128 12129 void bnx2x_init_bmac_loopback(struct link_params *params, 12130 struct link_vars *vars) 12131 { 12132 struct bnx2x *bp = params->bp; 12133 vars->link_up = 1; 12134 vars->line_speed = SPEED_10000; 12135 vars->duplex = DUPLEX_FULL; 12136 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE; 12137 vars->mac_type = MAC_TYPE_BMAC; 12138 12139 vars->phy_flags = PHY_XGXS_FLAG; 12140 12141 bnx2x_xgxs_deassert(params); 12142 12143 /* set bmac loopback */ 12144 bnx2x_bmac_enable(params, vars, 1); 12145 12146 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0); 12147 } 12148 12149 void bnx2x_init_emac_loopback(struct link_params *params, 12150 struct link_vars *vars) 12151 { 12152 struct bnx2x *bp = params->bp; 12153 vars->link_up = 1; 12154 vars->line_speed = SPEED_1000; 12155 vars->duplex = DUPLEX_FULL; 12156 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE; 12157 vars->mac_type = MAC_TYPE_EMAC; 12158 12159 vars->phy_flags = PHY_XGXS_FLAG; 12160 12161 bnx2x_xgxs_deassert(params); 12162 /* set bmac loopback */ 12163 bnx2x_emac_enable(params, vars, 1); 12164 bnx2x_emac_program(params, vars); 12165 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0); 12166 } 12167 12168 void bnx2x_init_xmac_loopback(struct link_params *params, 12169 struct link_vars *vars) 12170 { 12171 struct bnx2x *bp = params->bp; 12172 vars->link_up = 1; 12173 if (!params->req_line_speed[0]) 12174 vars->line_speed = SPEED_10000; 12175 else 12176 vars->line_speed = params->req_line_speed[0]; 12177 vars->duplex = DUPLEX_FULL; 12178 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE; 12179 vars->mac_type = MAC_TYPE_XMAC; 12180 vars->phy_flags = PHY_XGXS_FLAG; 12181 /* Set WC to loopback mode since link is required to provide clock 12182 * to the XMAC in 20G mode 12183 */ 12184 bnx2x_set_aer_mmd(params, ¶ms->phy[0]); 12185 bnx2x_warpcore_reset_lane(bp, ¶ms->phy[0], 0); 12186 params->phy[INT_PHY].config_loopback( 12187 ¶ms->phy[INT_PHY], 12188 params); 12189 12190 bnx2x_xmac_enable(params, vars, 1); 12191 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0); 12192 } 12193 12194 void bnx2x_init_umac_loopback(struct link_params *params, 12195 struct link_vars *vars) 12196 { 12197 struct bnx2x *bp = params->bp; 12198 vars->link_up = 1; 12199 vars->line_speed = SPEED_1000; 12200 vars->duplex = DUPLEX_FULL; 12201 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE; 12202 vars->mac_type = MAC_TYPE_UMAC; 12203 vars->phy_flags = PHY_XGXS_FLAG; 12204 bnx2x_umac_enable(params, vars, 1); 12205 12206 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0); 12207 } 12208 12209 void bnx2x_init_xgxs_loopback(struct link_params *params, 12210 struct link_vars *vars) 12211 { 12212 struct bnx2x *bp = params->bp; 12213 vars->link_up = 1; 12214 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE; 12215 vars->duplex = DUPLEX_FULL; 12216 if (params->req_line_speed[0] == SPEED_1000) 12217 vars->line_speed = SPEED_1000; 12218 else 12219 vars->line_speed = SPEED_10000; 12220 12221 if (!USES_WARPCORE(bp)) 12222 bnx2x_xgxs_deassert(params); 12223 bnx2x_link_initialize(params, vars); 12224 12225 if (params->req_line_speed[0] == SPEED_1000) { 12226 if (USES_WARPCORE(bp)) 12227 bnx2x_umac_enable(params, vars, 0); 12228 else { 12229 bnx2x_emac_program(params, vars); 12230 bnx2x_emac_enable(params, vars, 0); 12231 } 12232 } else { 12233 if (USES_WARPCORE(bp)) 12234 bnx2x_xmac_enable(params, vars, 0); 12235 else 12236 bnx2x_bmac_enable(params, vars, 0); 12237 } 12238 12239 if (params->loopback_mode == LOOPBACK_XGXS) { 12240 /* set 10G XGXS loopback */ 12241 params->phy[INT_PHY].config_loopback( 12242 ¶ms->phy[INT_PHY], 12243 params); 12244 12245 } else { 12246 /* set external phy loopback */ 12247 u8 phy_index; 12248 for (phy_index = EXT_PHY1; 12249 phy_index < params->num_phys; phy_index++) { 12250 if (params->phy[phy_index].config_loopback) 12251 params->phy[phy_index].config_loopback( 12252 ¶ms->phy[phy_index], 12253 params); 12254 } 12255 } 12256 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0); 12257 12258 bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed); 12259 } 12260 12261 int bnx2x_phy_init(struct link_params *params, struct link_vars *vars) 12262 { 12263 struct bnx2x *bp = params->bp; 12264 DP(NETIF_MSG_LINK, "Phy Initialization started\n"); 12265 DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n", 12266 params->req_line_speed[0], params->req_flow_ctrl[0]); 12267 DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n", 12268 params->req_line_speed[1], params->req_flow_ctrl[1]); 12269 vars->link_status = 0; 12270 vars->phy_link_up = 0; 12271 vars->link_up = 0; 12272 vars->line_speed = 0; 12273 vars->duplex = DUPLEX_FULL; 12274 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE; 12275 vars->mac_type = MAC_TYPE_NONE; 12276 vars->phy_flags = 0; 12277 12278 /* Disable attentions */ 12279 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4, 12280 (NIG_MASK_XGXS0_LINK_STATUS | 12281 NIG_MASK_XGXS0_LINK10G | 12282 NIG_MASK_SERDES0_LINK_STATUS | 12283 NIG_MASK_MI_INT)); 12284 12285 bnx2x_emac_init(params, vars); 12286 12287 if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) 12288 vars->link_status |= LINK_STATUS_PFC_ENABLED; 12289 12290 if (params->num_phys == 0) { 12291 DP(NETIF_MSG_LINK, "No phy found for initialization !!\n"); 12292 return -EINVAL; 12293 } 12294 set_phy_vars(params, vars); 12295 12296 DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys); 12297 switch (params->loopback_mode) { 12298 case LOOPBACK_BMAC: 12299 bnx2x_init_bmac_loopback(params, vars); 12300 break; 12301 case LOOPBACK_EMAC: 12302 bnx2x_init_emac_loopback(params, vars); 12303 break; 12304 case LOOPBACK_XMAC: 12305 bnx2x_init_xmac_loopback(params, vars); 12306 break; 12307 case LOOPBACK_UMAC: 12308 bnx2x_init_umac_loopback(params, vars); 12309 break; 12310 case LOOPBACK_XGXS: 12311 case LOOPBACK_EXT_PHY: 12312 bnx2x_init_xgxs_loopback(params, vars); 12313 break; 12314 default: 12315 if (!CHIP_IS_E3(bp)) { 12316 if (params->switch_cfg == SWITCH_CFG_10G) 12317 bnx2x_xgxs_deassert(params); 12318 else 12319 bnx2x_serdes_deassert(bp, params->port); 12320 } 12321 bnx2x_link_initialize(params, vars); 12322 msleep(30); 12323 bnx2x_link_int_enable(params); 12324 break; 12325 } 12326 bnx2x_update_mng(params, vars->link_status); 12327 12328 bnx2x_update_mng_eee(params, vars->eee_status); 12329 return 0; 12330 } 12331 12332 int bnx2x_link_reset(struct link_params *params, struct link_vars *vars, 12333 u8 reset_ext_phy) 12334 { 12335 struct bnx2x *bp = params->bp; 12336 u8 phy_index, port = params->port, clear_latch_ind = 0; 12337 DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port); 12338 /* Disable attentions */ 12339 vars->link_status = 0; 12340 bnx2x_update_mng(params, vars->link_status); 12341 vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK | 12342 SHMEM_EEE_ACTIVE_BIT); 12343 bnx2x_update_mng_eee(params, vars->eee_status); 12344 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 12345 (NIG_MASK_XGXS0_LINK_STATUS | 12346 NIG_MASK_XGXS0_LINK10G | 12347 NIG_MASK_SERDES0_LINK_STATUS | 12348 NIG_MASK_MI_INT)); 12349 12350 /* Activate nig drain */ 12351 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1); 12352 12353 /* Disable nig egress interface */ 12354 if (!CHIP_IS_E3(bp)) { 12355 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0); 12356 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0); 12357 } 12358 12359 /* Stop BigMac rx */ 12360 if (!CHIP_IS_E3(bp)) 12361 bnx2x_bmac_rx_disable(bp, port); 12362 else { 12363 bnx2x_xmac_disable(params); 12364 bnx2x_umac_disable(params); 12365 } 12366 /* Disable emac */ 12367 if (!CHIP_IS_E3(bp)) 12368 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0); 12369 12370 usleep_range(10000, 20000); 12371 /* The PHY reset is controlled by GPIO 1 12372 * Hold it as vars low 12373 */ 12374 /* Clear link led */ 12375 bnx2x_set_mdio_clk(bp, params->chip_id, port); 12376 bnx2x_set_led(params, vars, LED_MODE_OFF, 0); 12377 12378 if (reset_ext_phy) { 12379 for (phy_index = EXT_PHY1; phy_index < params->num_phys; 12380 phy_index++) { 12381 if (params->phy[phy_index].link_reset) { 12382 bnx2x_set_aer_mmd(params, 12383 ¶ms->phy[phy_index]); 12384 params->phy[phy_index].link_reset( 12385 ¶ms->phy[phy_index], 12386 params); 12387 } 12388 if (params->phy[phy_index].flags & 12389 FLAGS_REARM_LATCH_SIGNAL) 12390 clear_latch_ind = 1; 12391 } 12392 } 12393 12394 if (clear_latch_ind) { 12395 /* Clear latching indication */ 12396 bnx2x_rearm_latch_signal(bp, port, 0); 12397 bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4, 12398 1 << NIG_LATCH_BC_ENABLE_MI_INT); 12399 } 12400 if (params->phy[INT_PHY].link_reset) 12401 params->phy[INT_PHY].link_reset( 12402 ¶ms->phy[INT_PHY], params); 12403 12404 /* Disable nig ingress interface */ 12405 if (!CHIP_IS_E3(bp)) { 12406 /* Reset BigMac */ 12407 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 12408 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port)); 12409 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0); 12410 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0); 12411 } else { 12412 u32 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0; 12413 bnx2x_set_xumac_nig(params, 0, 0); 12414 if (REG_RD(bp, MISC_REG_RESET_REG_2) & 12415 MISC_REGISTERS_RESET_REG_2_XMAC) 12416 REG_WR(bp, xmac_base + XMAC_REG_CTRL, 12417 XMAC_CTRL_REG_SOFT_RESET); 12418 } 12419 vars->link_up = 0; 12420 vars->phy_flags = 0; 12421 return 0; 12422 } 12423 12424 /****************************************************************************/ 12425 /* Common function */ 12426 /****************************************************************************/ 12427 static int bnx2x_8073_common_init_phy(struct bnx2x *bp, 12428 u32 shmem_base_path[], 12429 u32 shmem2_base_path[], u8 phy_index, 12430 u32 chip_id) 12431 { 12432 struct bnx2x_phy phy[PORT_MAX]; 12433 struct bnx2x_phy *phy_blk[PORT_MAX]; 12434 u16 val; 12435 s8 port = 0; 12436 s8 port_of_path = 0; 12437 u32 swap_val, swap_override; 12438 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP); 12439 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE); 12440 port ^= (swap_val && swap_override); 12441 bnx2x_ext_phy_hw_reset(bp, port); 12442 /* PART1 - Reset both phys */ 12443 for (port = PORT_MAX - 1; port >= PORT_0; port--) { 12444 u32 shmem_base, shmem2_base; 12445 /* In E2, same phy is using for port0 of the two paths */ 12446 if (CHIP_IS_E1x(bp)) { 12447 shmem_base = shmem_base_path[0]; 12448 shmem2_base = shmem2_base_path[0]; 12449 port_of_path = port; 12450 } else { 12451 shmem_base = shmem_base_path[port]; 12452 shmem2_base = shmem2_base_path[port]; 12453 port_of_path = 0; 12454 } 12455 12456 /* Extract the ext phy address for the port */ 12457 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base, 12458 port_of_path, &phy[port]) != 12459 0) { 12460 DP(NETIF_MSG_LINK, "populate_phy failed\n"); 12461 return -EINVAL; 12462 } 12463 /* Disable attentions */ 12464 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + 12465 port_of_path*4, 12466 (NIG_MASK_XGXS0_LINK_STATUS | 12467 NIG_MASK_XGXS0_LINK10G | 12468 NIG_MASK_SERDES0_LINK_STATUS | 12469 NIG_MASK_MI_INT)); 12470 12471 /* Need to take the phy out of low power mode in order 12472 * to write to access its registers 12473 */ 12474 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, 12475 MISC_REGISTERS_GPIO_OUTPUT_HIGH, 12476 port); 12477 12478 /* Reset the phy */ 12479 bnx2x_cl45_write(bp, &phy[port], 12480 MDIO_PMA_DEVAD, 12481 MDIO_PMA_REG_CTRL, 12482 1<<15); 12483 } 12484 12485 /* Add delay of 150ms after reset */ 12486 msleep(150); 12487 12488 if (phy[PORT_0].addr & 0x1) { 12489 phy_blk[PORT_0] = &(phy[PORT_1]); 12490 phy_blk[PORT_1] = &(phy[PORT_0]); 12491 } else { 12492 phy_blk[PORT_0] = &(phy[PORT_0]); 12493 phy_blk[PORT_1] = &(phy[PORT_1]); 12494 } 12495 12496 /* PART2 - Download firmware to both phys */ 12497 for (port = PORT_MAX - 1; port >= PORT_0; port--) { 12498 if (CHIP_IS_E1x(bp)) 12499 port_of_path = port; 12500 else 12501 port_of_path = 0; 12502 12503 DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n", 12504 phy_blk[port]->addr); 12505 if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port], 12506 port_of_path)) 12507 return -EINVAL; 12508 12509 /* Only set bit 10 = 1 (Tx power down) */ 12510 bnx2x_cl45_read(bp, phy_blk[port], 12511 MDIO_PMA_DEVAD, 12512 MDIO_PMA_REG_TX_POWER_DOWN, &val); 12513 12514 /* Phase1 of TX_POWER_DOWN reset */ 12515 bnx2x_cl45_write(bp, phy_blk[port], 12516 MDIO_PMA_DEVAD, 12517 MDIO_PMA_REG_TX_POWER_DOWN, 12518 (val | 1<<10)); 12519 } 12520 12521 /* Toggle Transmitter: Power down and then up with 600ms delay 12522 * between 12523 */ 12524 msleep(600); 12525 12526 /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */ 12527 for (port = PORT_MAX - 1; port >= PORT_0; port--) { 12528 /* Phase2 of POWER_DOWN_RESET */ 12529 /* Release bit 10 (Release Tx power down) */ 12530 bnx2x_cl45_read(bp, phy_blk[port], 12531 MDIO_PMA_DEVAD, 12532 MDIO_PMA_REG_TX_POWER_DOWN, &val); 12533 12534 bnx2x_cl45_write(bp, phy_blk[port], 12535 MDIO_PMA_DEVAD, 12536 MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10)))); 12537 usleep_range(15000, 30000); 12538 12539 /* Read modify write the SPI-ROM version select register */ 12540 bnx2x_cl45_read(bp, phy_blk[port], 12541 MDIO_PMA_DEVAD, 12542 MDIO_PMA_REG_EDC_FFE_MAIN, &val); 12543 bnx2x_cl45_write(bp, phy_blk[port], 12544 MDIO_PMA_DEVAD, 12545 MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12))); 12546 12547 /* set GPIO2 back to LOW */ 12548 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, 12549 MISC_REGISTERS_GPIO_OUTPUT_LOW, port); 12550 } 12551 return 0; 12552 } 12553 static int bnx2x_8726_common_init_phy(struct bnx2x *bp, 12554 u32 shmem_base_path[], 12555 u32 shmem2_base_path[], u8 phy_index, 12556 u32 chip_id) 12557 { 12558 u32 val; 12559 s8 port; 12560 struct bnx2x_phy phy; 12561 /* Use port1 because of the static port-swap */ 12562 /* Enable the module detection interrupt */ 12563 val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN); 12564 val |= ((1<<MISC_REGISTERS_GPIO_3)| 12565 (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT))); 12566 REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val); 12567 12568 bnx2x_ext_phy_hw_reset(bp, 0); 12569 usleep_range(5000, 10000); 12570 for (port = 0; port < PORT_MAX; port++) { 12571 u32 shmem_base, shmem2_base; 12572 12573 /* In E2, same phy is using for port0 of the two paths */ 12574 if (CHIP_IS_E1x(bp)) { 12575 shmem_base = shmem_base_path[0]; 12576 shmem2_base = shmem2_base_path[0]; 12577 } else { 12578 shmem_base = shmem_base_path[port]; 12579 shmem2_base = shmem2_base_path[port]; 12580 } 12581 /* Extract the ext phy address for the port */ 12582 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base, 12583 port, &phy) != 12584 0) { 12585 DP(NETIF_MSG_LINK, "populate phy failed\n"); 12586 return -EINVAL; 12587 } 12588 12589 /* Reset phy*/ 12590 bnx2x_cl45_write(bp, &phy, 12591 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001); 12592 12593 12594 /* Set fault module detected LED on */ 12595 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0, 12596 MISC_REGISTERS_GPIO_HIGH, 12597 port); 12598 } 12599 12600 return 0; 12601 } 12602 static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base, 12603 u8 *io_gpio, u8 *io_port) 12604 { 12605 12606 u32 phy_gpio_reset = REG_RD(bp, shmem_base + 12607 offsetof(struct shmem_region, 12608 dev_info.port_hw_config[PORT_0].default_cfg)); 12609 switch (phy_gpio_reset) { 12610 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0: 12611 *io_gpio = 0; 12612 *io_port = 0; 12613 break; 12614 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0: 12615 *io_gpio = 1; 12616 *io_port = 0; 12617 break; 12618 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0: 12619 *io_gpio = 2; 12620 *io_port = 0; 12621 break; 12622 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0: 12623 *io_gpio = 3; 12624 *io_port = 0; 12625 break; 12626 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1: 12627 *io_gpio = 0; 12628 *io_port = 1; 12629 break; 12630 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1: 12631 *io_gpio = 1; 12632 *io_port = 1; 12633 break; 12634 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1: 12635 *io_gpio = 2; 12636 *io_port = 1; 12637 break; 12638 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1: 12639 *io_gpio = 3; 12640 *io_port = 1; 12641 break; 12642 default: 12643 /* Don't override the io_gpio and io_port */ 12644 break; 12645 } 12646 } 12647 12648 static int bnx2x_8727_common_init_phy(struct bnx2x *bp, 12649 u32 shmem_base_path[], 12650 u32 shmem2_base_path[], u8 phy_index, 12651 u32 chip_id) 12652 { 12653 s8 port, reset_gpio; 12654 u32 swap_val, swap_override; 12655 struct bnx2x_phy phy[PORT_MAX]; 12656 struct bnx2x_phy *phy_blk[PORT_MAX]; 12657 s8 port_of_path; 12658 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP); 12659 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE); 12660 12661 reset_gpio = MISC_REGISTERS_GPIO_1; 12662 port = 1; 12663 12664 /* Retrieve the reset gpio/port which control the reset. 12665 * Default is GPIO1, PORT1 12666 */ 12667 bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0], 12668 (u8 *)&reset_gpio, (u8 *)&port); 12669 12670 /* Calculate the port based on port swap */ 12671 port ^= (swap_val && swap_override); 12672 12673 /* Initiate PHY reset*/ 12674 bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW, 12675 port); 12676 usleep_range(1000, 2000); 12677 bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH, 12678 port); 12679 12680 usleep_range(5000, 10000); 12681 12682 /* PART1 - Reset both phys */ 12683 for (port = PORT_MAX - 1; port >= PORT_0; port--) { 12684 u32 shmem_base, shmem2_base; 12685 12686 /* In E2, same phy is using for port0 of the two paths */ 12687 if (CHIP_IS_E1x(bp)) { 12688 shmem_base = shmem_base_path[0]; 12689 shmem2_base = shmem2_base_path[0]; 12690 port_of_path = port; 12691 } else { 12692 shmem_base = shmem_base_path[port]; 12693 shmem2_base = shmem2_base_path[port]; 12694 port_of_path = 0; 12695 } 12696 12697 /* Extract the ext phy address for the port */ 12698 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base, 12699 port_of_path, &phy[port]) != 12700 0) { 12701 DP(NETIF_MSG_LINK, "populate phy failed\n"); 12702 return -EINVAL; 12703 } 12704 /* disable attentions */ 12705 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + 12706 port_of_path*4, 12707 (NIG_MASK_XGXS0_LINK_STATUS | 12708 NIG_MASK_XGXS0_LINK10G | 12709 NIG_MASK_SERDES0_LINK_STATUS | 12710 NIG_MASK_MI_INT)); 12711 12712 12713 /* Reset the phy */ 12714 bnx2x_cl45_write(bp, &phy[port], 12715 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15); 12716 } 12717 12718 /* Add delay of 150ms after reset */ 12719 msleep(150); 12720 if (phy[PORT_0].addr & 0x1) { 12721 phy_blk[PORT_0] = &(phy[PORT_1]); 12722 phy_blk[PORT_1] = &(phy[PORT_0]); 12723 } else { 12724 phy_blk[PORT_0] = &(phy[PORT_0]); 12725 phy_blk[PORT_1] = &(phy[PORT_1]); 12726 } 12727 /* PART2 - Download firmware to both phys */ 12728 for (port = PORT_MAX - 1; port >= PORT_0; port--) { 12729 if (CHIP_IS_E1x(bp)) 12730 port_of_path = port; 12731 else 12732 port_of_path = 0; 12733 DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n", 12734 phy_blk[port]->addr); 12735 if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port], 12736 port_of_path)) 12737 return -EINVAL; 12738 /* Disable PHY transmitter output */ 12739 bnx2x_cl45_write(bp, phy_blk[port], 12740 MDIO_PMA_DEVAD, 12741 MDIO_PMA_REG_TX_DISABLE, 1); 12742 12743 } 12744 return 0; 12745 } 12746 12747 static int bnx2x_84833_common_init_phy(struct bnx2x *bp, 12748 u32 shmem_base_path[], 12749 u32 shmem2_base_path[], 12750 u8 phy_index, 12751 u32 chip_id) 12752 { 12753 u8 reset_gpios; 12754 reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id); 12755 bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW); 12756 udelay(10); 12757 bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH); 12758 DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n", 12759 reset_gpios); 12760 return 0; 12761 } 12762 12763 static int bnx2x_84833_pre_init_phy(struct bnx2x *bp, 12764 struct bnx2x_phy *phy) 12765 { 12766 u16 val, cnt; 12767 /* Wait for FW completing its initialization. */ 12768 for (cnt = 0; cnt < 1500; cnt++) { 12769 bnx2x_cl45_read(bp, phy, 12770 MDIO_PMA_DEVAD, 12771 MDIO_PMA_REG_CTRL, &val); 12772 if (!(val & (1<<15))) 12773 break; 12774 usleep_range(1000, 2000); 12775 } 12776 if (cnt >= 1500) { 12777 DP(NETIF_MSG_LINK, "84833 reset timeout\n"); 12778 return -EINVAL; 12779 } 12780 12781 /* Put the port in super isolate mode. */ 12782 bnx2x_cl45_read(bp, phy, 12783 MDIO_CTL_DEVAD, 12784 MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val); 12785 val |= MDIO_84833_SUPER_ISOLATE; 12786 bnx2x_cl45_write(bp, phy, 12787 MDIO_CTL_DEVAD, 12788 MDIO_84833_TOP_CFG_XGPHY_STRAP1, val); 12789 12790 /* Save spirom version */ 12791 bnx2x_save_848xx_spirom_version(phy, bp, PORT_0); 12792 return 0; 12793 } 12794 12795 int bnx2x_pre_init_phy(struct bnx2x *bp, 12796 u32 shmem_base, 12797 u32 shmem2_base, 12798 u32 chip_id) 12799 { 12800 int rc = 0; 12801 struct bnx2x_phy phy; 12802 bnx2x_set_mdio_clk(bp, chip_id, PORT_0); 12803 if (bnx2x_populate_phy(bp, EXT_PHY1, shmem_base, shmem2_base, 12804 PORT_0, &phy)) { 12805 DP(NETIF_MSG_LINK, "populate_phy failed\n"); 12806 return -EINVAL; 12807 } 12808 switch (phy.type) { 12809 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833: 12810 rc = bnx2x_84833_pre_init_phy(bp, &phy); 12811 break; 12812 default: 12813 break; 12814 } 12815 return rc; 12816 } 12817 12818 static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[], 12819 u32 shmem2_base_path[], u8 phy_index, 12820 u32 ext_phy_type, u32 chip_id) 12821 { 12822 int rc = 0; 12823 12824 switch (ext_phy_type) { 12825 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073: 12826 rc = bnx2x_8073_common_init_phy(bp, shmem_base_path, 12827 shmem2_base_path, 12828 phy_index, chip_id); 12829 break; 12830 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722: 12831 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727: 12832 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC: 12833 rc = bnx2x_8727_common_init_phy(bp, shmem_base_path, 12834 shmem2_base_path, 12835 phy_index, chip_id); 12836 break; 12837 12838 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726: 12839 /* GPIO1 affects both ports, so there's need to pull 12840 * it for single port alone 12841 */ 12842 rc = bnx2x_8726_common_init_phy(bp, shmem_base_path, 12843 shmem2_base_path, 12844 phy_index, chip_id); 12845 break; 12846 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833: 12847 /* GPIO3's are linked, and so both need to be toggled 12848 * to obtain required 2us pulse. 12849 */ 12850 rc = bnx2x_84833_common_init_phy(bp, shmem_base_path, 12851 shmem2_base_path, 12852 phy_index, chip_id); 12853 break; 12854 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE: 12855 rc = -EINVAL; 12856 break; 12857 default: 12858 DP(NETIF_MSG_LINK, 12859 "ext_phy 0x%x common init not required\n", 12860 ext_phy_type); 12861 break; 12862 } 12863 12864 if (rc) 12865 netdev_err(bp->dev, "Warning: PHY was not initialized," 12866 " Port %d\n", 12867 0); 12868 return rc; 12869 } 12870 12871 int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[], 12872 u32 shmem2_base_path[], u32 chip_id) 12873 { 12874 int rc = 0; 12875 u32 phy_ver, val; 12876 u8 phy_index = 0; 12877 u32 ext_phy_type, ext_phy_config; 12878 bnx2x_set_mdio_clk(bp, chip_id, PORT_0); 12879 bnx2x_set_mdio_clk(bp, chip_id, PORT_1); 12880 DP(NETIF_MSG_LINK, "Begin common phy init\n"); 12881 if (CHIP_IS_E3(bp)) { 12882 /* Enable EPIO */ 12883 val = REG_RD(bp, MISC_REG_GEN_PURP_HWG); 12884 REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1); 12885 } 12886 /* Check if common init was already done */ 12887 phy_ver = REG_RD(bp, shmem_base_path[0] + 12888 offsetof(struct shmem_region, 12889 port_mb[PORT_0].ext_phy_fw_version)); 12890 if (phy_ver) { 12891 DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n", 12892 phy_ver); 12893 return 0; 12894 } 12895 12896 /* Read the ext_phy_type for arbitrary port(0) */ 12897 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS; 12898 phy_index++) { 12899 ext_phy_config = bnx2x_get_ext_phy_config(bp, 12900 shmem_base_path[0], 12901 phy_index, 0); 12902 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config); 12903 rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path, 12904 shmem2_base_path, 12905 phy_index, ext_phy_type, 12906 chip_id); 12907 } 12908 return rc; 12909 } 12910 12911 static void bnx2x_check_over_curr(struct link_params *params, 12912 struct link_vars *vars) 12913 { 12914 struct bnx2x *bp = params->bp; 12915 u32 cfg_pin; 12916 u8 port = params->port; 12917 u32 pin_val; 12918 12919 cfg_pin = (REG_RD(bp, params->shmem_base + 12920 offsetof(struct shmem_region, 12921 dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) & 12922 PORT_HW_CFG_E3_OVER_CURRENT_MASK) >> 12923 PORT_HW_CFG_E3_OVER_CURRENT_SHIFT; 12924 12925 /* Ignore check if no external input PIN available */ 12926 if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0) 12927 return; 12928 12929 if (!pin_val) { 12930 if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) { 12931 netdev_err(bp->dev, "Error: Power fault on Port %d has" 12932 " been detected and the power to " 12933 "that SFP+ module has been removed" 12934 " to prevent failure of the card." 12935 " Please remove the SFP+ module and" 12936 " restart the system to clear this" 12937 " error.\n", 12938 params->port); 12939 vars->phy_flags |= PHY_OVER_CURRENT_FLAG; 12940 } 12941 } else 12942 vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG; 12943 } 12944 12945 /* Returns 0 if no change occured since last check; 1 otherwise. */ 12946 static u8 bnx2x_analyze_link_error(struct link_params *params, 12947 struct link_vars *vars, u32 status, 12948 u32 phy_flag, u32 link_flag, u8 notify) 12949 { 12950 struct bnx2x *bp = params->bp; 12951 /* Compare new value with previous value */ 12952 u8 led_mode; 12953 u32 old_status = (vars->phy_flags & phy_flag) ? 1 : 0; 12954 12955 if ((status ^ old_status) == 0) 12956 return 0; 12957 12958 /* If values differ */ 12959 switch (phy_flag) { 12960 case PHY_HALF_OPEN_CONN_FLAG: 12961 DP(NETIF_MSG_LINK, "Analyze Remote Fault\n"); 12962 break; 12963 case PHY_SFP_TX_FAULT_FLAG: 12964 DP(NETIF_MSG_LINK, "Analyze TX Fault\n"); 12965 break; 12966 default: 12967 DP(NETIF_MSG_LINK, "Analyze UNKOWN\n"); 12968 } 12969 DP(NETIF_MSG_LINK, "Link changed:[%x %x]->%x\n", vars->link_up, 12970 old_status, status); 12971 12972 /* a. Update shmem->link_status accordingly 12973 * b. Update link_vars->link_up 12974 */ 12975 if (status) { 12976 vars->link_status &= ~LINK_STATUS_LINK_UP; 12977 vars->link_status |= link_flag; 12978 vars->link_up = 0; 12979 vars->phy_flags |= phy_flag; 12980 12981 /* activate nig drain */ 12982 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1); 12983 /* Set LED mode to off since the PHY doesn't know about these 12984 * errors 12985 */ 12986 led_mode = LED_MODE_OFF; 12987 } else { 12988 vars->link_status |= LINK_STATUS_LINK_UP; 12989 vars->link_status &= ~link_flag; 12990 vars->link_up = 1; 12991 vars->phy_flags &= ~phy_flag; 12992 led_mode = LED_MODE_OPER; 12993 12994 /* Clear nig drain */ 12995 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0); 12996 } 12997 bnx2x_sync_link(params, vars); 12998 /* Update the LED according to the link state */ 12999 bnx2x_set_led(params, vars, led_mode, SPEED_10000); 13000 13001 /* Update link status in the shared memory */ 13002 bnx2x_update_mng(params, vars->link_status); 13003 13004 /* C. Trigger General Attention */ 13005 vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT; 13006 if (notify) 13007 bnx2x_notify_link_changed(bp); 13008 13009 return 1; 13010 } 13011 13012 /****************************************************************************** 13013 * Description: 13014 * This function checks for half opened connection change indication. 13015 * When such change occurs, it calls the bnx2x_analyze_link_error 13016 * to check if Remote Fault is set or cleared. Reception of remote fault 13017 * status message in the MAC indicates that the peer's MAC has detected 13018 * a fault, for example, due to break in the TX side of fiber. 13019 * 13020 ******************************************************************************/ 13021 int bnx2x_check_half_open_conn(struct link_params *params, 13022 struct link_vars *vars, 13023 u8 notify) 13024 { 13025 struct bnx2x *bp = params->bp; 13026 u32 lss_status = 0; 13027 u32 mac_base; 13028 /* In case link status is physically up @ 10G do */ 13029 if (((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0) || 13030 (REG_RD(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4))) 13031 return 0; 13032 13033 if (CHIP_IS_E3(bp) && 13034 (REG_RD(bp, MISC_REG_RESET_REG_2) & 13035 (MISC_REGISTERS_RESET_REG_2_XMAC))) { 13036 /* Check E3 XMAC */ 13037 /* Note that link speed cannot be queried here, since it may be 13038 * zero while link is down. In case UMAC is active, LSS will 13039 * simply not be set 13040 */ 13041 mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0; 13042 13043 /* Clear stick bits (Requires rising edge) */ 13044 REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0); 13045 REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 13046 XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS | 13047 XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS); 13048 if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS)) 13049 lss_status = 1; 13050 13051 bnx2x_analyze_link_error(params, vars, lss_status, 13052 PHY_HALF_OPEN_CONN_FLAG, 13053 LINK_STATUS_NONE, notify); 13054 } else if (REG_RD(bp, MISC_REG_RESET_REG_2) & 13055 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) { 13056 /* Check E1X / E2 BMAC */ 13057 u32 lss_status_reg; 13058 u32 wb_data[2]; 13059 mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM : 13060 NIG_REG_INGRESS_BMAC0_MEM; 13061 /* Read BIGMAC_REGISTER_RX_LSS_STATUS */ 13062 if (CHIP_IS_E2(bp)) 13063 lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT; 13064 else 13065 lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS; 13066 13067 REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2); 13068 lss_status = (wb_data[0] > 0); 13069 13070 bnx2x_analyze_link_error(params, vars, lss_status, 13071 PHY_HALF_OPEN_CONN_FLAG, 13072 LINK_STATUS_NONE, notify); 13073 } 13074 return 0; 13075 } 13076 static void bnx2x_sfp_tx_fault_detection(struct bnx2x_phy *phy, 13077 struct link_params *params, 13078 struct link_vars *vars) 13079 { 13080 struct bnx2x *bp = params->bp; 13081 u32 cfg_pin, value = 0; 13082 u8 led_change, port = params->port; 13083 13084 /* Get The SFP+ TX_Fault controlling pin ([eg]pio) */ 13085 cfg_pin = (REG_RD(bp, params->shmem_base + offsetof(struct shmem_region, 13086 dev_info.port_hw_config[port].e3_cmn_pin_cfg)) & 13087 PORT_HW_CFG_E3_TX_FAULT_MASK) >> 13088 PORT_HW_CFG_E3_TX_FAULT_SHIFT; 13089 13090 if (bnx2x_get_cfg_pin(bp, cfg_pin, &value)) { 13091 DP(NETIF_MSG_LINK, "Failed to read pin 0x%02x\n", cfg_pin); 13092 return; 13093 } 13094 13095 led_change = bnx2x_analyze_link_error(params, vars, value, 13096 PHY_SFP_TX_FAULT_FLAG, 13097 LINK_STATUS_SFP_TX_FAULT, 1); 13098 13099 if (led_change) { 13100 /* Change TX_Fault led, set link status for further syncs */ 13101 u8 led_mode; 13102 13103 if (vars->phy_flags & PHY_SFP_TX_FAULT_FLAG) { 13104 led_mode = MISC_REGISTERS_GPIO_HIGH; 13105 vars->link_status |= LINK_STATUS_SFP_TX_FAULT; 13106 } else { 13107 led_mode = MISC_REGISTERS_GPIO_LOW; 13108 vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT; 13109 } 13110 13111 /* If module is unapproved, led should be on regardless */ 13112 if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) { 13113 DP(NETIF_MSG_LINK, "Change TX_Fault LED: ->%x\n", 13114 led_mode); 13115 bnx2x_set_e3_module_fault_led(params, led_mode); 13116 } 13117 } 13118 } 13119 void bnx2x_period_func(struct link_params *params, struct link_vars *vars) 13120 { 13121 u16 phy_idx; 13122 struct bnx2x *bp = params->bp; 13123 for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) { 13124 if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) { 13125 bnx2x_set_aer_mmd(params, ¶ms->phy[phy_idx]); 13126 if (bnx2x_check_half_open_conn(params, vars, 1) != 13127 0) 13128 DP(NETIF_MSG_LINK, "Fault detection failed\n"); 13129 break; 13130 } 13131 } 13132 13133 if (CHIP_IS_E3(bp)) { 13134 struct bnx2x_phy *phy = ¶ms->phy[INT_PHY]; 13135 bnx2x_set_aer_mmd(params, phy); 13136 bnx2x_check_over_curr(params, vars); 13137 if (vars->rx_tx_asic_rst) 13138 bnx2x_warpcore_config_runtime(phy, params, vars); 13139 13140 if ((REG_RD(bp, params->shmem_base + 13141 offsetof(struct shmem_region, dev_info. 13142 port_hw_config[params->port].default_cfg)) 13143 & PORT_HW_CFG_NET_SERDES_IF_MASK) == 13144 PORT_HW_CFG_NET_SERDES_IF_SFI) { 13145 if (bnx2x_is_sfp_module_plugged(phy, params)) { 13146 bnx2x_sfp_tx_fault_detection(phy, params, vars); 13147 } else if (vars->link_status & 13148 LINK_STATUS_SFP_TX_FAULT) { 13149 /* Clean trail, interrupt corrects the leds */ 13150 vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT; 13151 vars->phy_flags &= ~PHY_SFP_TX_FAULT_FLAG; 13152 /* Update link status in the shared memory */ 13153 bnx2x_update_mng(params, vars->link_status); 13154 } 13155 } 13156 13157 } 13158 13159 } 13160 13161 u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base) 13162 { 13163 u8 phy_index; 13164 struct bnx2x_phy phy; 13165 for (phy_index = INT_PHY; phy_index < MAX_PHYS; 13166 phy_index++) { 13167 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base, 13168 0, &phy) != 0) { 13169 DP(NETIF_MSG_LINK, "populate phy failed\n"); 13170 return 0; 13171 } 13172 13173 if (phy.flags & FLAGS_HW_LOCK_REQUIRED) 13174 return 1; 13175 } 13176 return 0; 13177 } 13178 13179 u8 bnx2x_fan_failure_det_req(struct bnx2x *bp, 13180 u32 shmem_base, 13181 u32 shmem2_base, 13182 u8 port) 13183 { 13184 u8 phy_index, fan_failure_det_req = 0; 13185 struct bnx2x_phy phy; 13186 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS; 13187 phy_index++) { 13188 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base, 13189 port, &phy) 13190 != 0) { 13191 DP(NETIF_MSG_LINK, "populate phy failed\n"); 13192 return 0; 13193 } 13194 fan_failure_det_req |= (phy.flags & 13195 FLAGS_FAN_FAILURE_DET_REQ); 13196 } 13197 return fan_failure_det_req; 13198 } 13199 13200 void bnx2x_hw_reset_phy(struct link_params *params) 13201 { 13202 u8 phy_index; 13203 struct bnx2x *bp = params->bp; 13204 bnx2x_update_mng(params, 0); 13205 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4, 13206 (NIG_MASK_XGXS0_LINK_STATUS | 13207 NIG_MASK_XGXS0_LINK10G | 13208 NIG_MASK_SERDES0_LINK_STATUS | 13209 NIG_MASK_MI_INT)); 13210 13211 for (phy_index = INT_PHY; phy_index < MAX_PHYS; 13212 phy_index++) { 13213 if (params->phy[phy_index].hw_reset) { 13214 params->phy[phy_index].hw_reset( 13215 ¶ms->phy[phy_index], 13216 params); 13217 params->phy[phy_index] = phy_null; 13218 } 13219 } 13220 } 13221 13222 void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars, 13223 u32 chip_id, u32 shmem_base, u32 shmem2_base, 13224 u8 port) 13225 { 13226 u8 gpio_num = 0xff, gpio_port = 0xff, phy_index; 13227 u32 val; 13228 u32 offset, aeu_mask, swap_val, swap_override, sync_offset; 13229 if (CHIP_IS_E3(bp)) { 13230 if (bnx2x_get_mod_abs_int_cfg(bp, chip_id, 13231 shmem_base, 13232 port, 13233 &gpio_num, 13234 &gpio_port) != 0) 13235 return; 13236 } else { 13237 struct bnx2x_phy phy; 13238 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS; 13239 phy_index++) { 13240 if (bnx2x_populate_phy(bp, phy_index, shmem_base, 13241 shmem2_base, port, &phy) 13242 != 0) { 13243 DP(NETIF_MSG_LINK, "populate phy failed\n"); 13244 return; 13245 } 13246 if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) { 13247 gpio_num = MISC_REGISTERS_GPIO_3; 13248 gpio_port = port; 13249 break; 13250 } 13251 } 13252 } 13253 13254 if (gpio_num == 0xff) 13255 return; 13256 13257 /* Set GPIO3 to trigger SFP+ module insertion/removal */ 13258 bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port); 13259 13260 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP); 13261 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE); 13262 gpio_port ^= (swap_val && swap_override); 13263 13264 vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 << 13265 (gpio_num + (gpio_port << 2)); 13266 13267 sync_offset = shmem_base + 13268 offsetof(struct shmem_region, 13269 dev_info.port_hw_config[port].aeu_int_mask); 13270 REG_WR(bp, sync_offset, vars->aeu_int_mask); 13271 13272 DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n", 13273 gpio_num, gpio_port, vars->aeu_int_mask); 13274 13275 if (port == 0) 13276 offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0; 13277 else 13278 offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0; 13279 13280 /* Open appropriate AEU for interrupts */ 13281 aeu_mask = REG_RD(bp, offset); 13282 aeu_mask |= vars->aeu_int_mask; 13283 REG_WR(bp, offset, aeu_mask); 13284 13285 /* Enable the GPIO to trigger interrupt */ 13286 val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN); 13287 val |= 1 << (gpio_num + (gpio_port << 2)); 13288 REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val); 13289 } 13290