1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * Copyright 2018-2019 NXP 4 * 5 */ 6 7 #include <common.h> 8 #include <hwconfig.h> 9 #include <command.h> 10 #include <netdev.h> 11 #include <malloc.h> 12 #include <fsl_mdio.h> 13 #include <miiphy.h> 14 #include <phy.h> 15 #include <fm_eth.h> 16 #include <asm/io.h> 17 #include <exports.h> 18 #include <asm/arch/fsl_serdes.h> 19 #include <fsl-mc/fsl_mc.h> 20 #include <fsl-mc/ldpaa_wriop.h> 21 22 #include "../common/qixis.h" 23 24 DECLARE_GLOBAL_DATA_PTR; 25 26 #define EMI_NONE 0 27 #define EMI1 1 /* Mdio Bus 1 */ 28 #define EMI2 2 /* Mdio Bus 2 */ 29 30 #if defined(CONFIG_FSL_MC_ENET) 31 enum io_slot { 32 IO_SLOT_NONE = 0, 33 IO_SLOT_1, 34 IO_SLOT_2, 35 IO_SLOT_3, 36 IO_SLOT_4, 37 IO_SLOT_5, 38 IO_SLOT_6, 39 IO_SLOT_7, 40 IO_SLOT_8, 41 EMI1_RGMII1, 42 EMI1_RGMII2, 43 IO_SLOT_MAX 44 }; 45 46 struct lx2160a_qds_mdio { 47 enum io_slot ioslot : 4; 48 u8 realbusnum : 4; 49 struct mii_dev *realbus; 50 }; 51 52 /* structure explaining the phy configuration on 8 lanes of a serdes*/ 53 struct serdes_phy_config { 54 u8 serdes; /* serdes protocol */ 55 struct phy_config { 56 u8 dpmacid; 57 /* -1 terminated array */ 58 int phy_address[WRIOP_MAX_PHY_NUM + 1]; 59 u8 mdio_bus; 60 enum io_slot ioslot; 61 } phy_config[SRDS_MAX_LANES]; 62 }; 63 64 /* Table defining the phy configuration on 8 lanes of a serdes. 65 * Various assumptions have been made while defining this table. 66 * e.g. for serdes1 protocol 19 it is being assumed that X-M11-USXGMII 67 * card is being used for dpmac 3-4. (X-M12-XFI could also have been used) 68 * And also that this card is connected to IO Slot 1 (could have been connected 69 * to any of the 8 IO slots (IO slot 1 - IO slot 8)). 70 * similarly, it is also being assumed that MDIO 1 is selected on X-M7-40G card 71 * used in serdes1 protocol 19 (could have selected MDIO 2) 72 * To override these settings "dpmac" environment variable can be used after 73 * defining "dpmac_override" in hwconfig environment variable. 74 * This table has limited serdes protocol entries. It can be expanded as per 75 * requirement. 76 */ 77 static const struct serdes_phy_config serdes1_phy_config[] = { 78 {3, {{WRIOP1_DPMAC3, {AQ_PHY_ADDR1, -1}, 79 EMI1, IO_SLOT_1}, 80 {WRIOP1_DPMAC4, {AQ_PHY_ADDR2, -1}, 81 EMI1, IO_SLOT_1}, 82 {WRIOP1_DPMAC5, {AQ_PHY_ADDR3, -1}, 83 EMI1, IO_SLOT_1}, 84 {WRIOP1_DPMAC6, {AQ_PHY_ADDR4, -1}, 85 EMI1, IO_SLOT_1} } }, 86 {7, {{WRIOP1_DPMAC3, {AQ_PHY_ADDR1, -1}, 87 EMI1, IO_SLOT_1}, 88 {WRIOP1_DPMAC4, {AQ_PHY_ADDR2, -1}, 89 EMI1, IO_SLOT_1}, 90 {WRIOP1_DPMAC5, {AQ_PHY_ADDR3, -1}, 91 EMI1, IO_SLOT_1}, 92 {WRIOP1_DPMAC6, {AQ_PHY_ADDR4, -1}, 93 EMI1, IO_SLOT_1}, 94 {WRIOP1_DPMAC7, {SGMII_CARD_PORT1_PHY_ADDR, -1}, 95 EMI1, IO_SLOT_2}, 96 {WRIOP1_DPMAC8, {SGMII_CARD_PORT2_PHY_ADDR, -1}, 97 EMI1, IO_SLOT_2}, 98 {WRIOP1_DPMAC9, {SGMII_CARD_PORT3_PHY_ADDR, -1}, 99 EMI1, IO_SLOT_2}, 100 {WRIOP1_DPMAC10, {SGMII_CARD_PORT4_PHY_ADDR, -1}, 101 EMI1, IO_SLOT_2} } }, 102 {8, {} }, 103 {13, {{WRIOP1_DPMAC1, {INPHI_PHY_ADDR1, INPHI_PHY_ADDR2, -1}, 104 EMI1, IO_SLOT_1}, 105 {WRIOP1_DPMAC2, {INPHI_PHY_ADDR1, INPHI_PHY_ADDR2, -1}, 106 EMI1, IO_SLOT_2} } }, 107 {15, {{WRIOP1_DPMAC1, {INPHI_PHY_ADDR1, INPHI_PHY_ADDR2, -1}, 108 EMI1, IO_SLOT_1}, 109 {WRIOP1_DPMAC2, {INPHI_PHY_ADDR1, INPHI_PHY_ADDR2, -1}, 110 EMI1, IO_SLOT_1} } }, 111 {17, {{WRIOP1_DPMAC3, {INPHI_PHY_ADDR1, INPHI_PHY_ADDR2, -1}, 112 EMI1, IO_SLOT_1}, 113 {WRIOP1_DPMAC4, {INPHI_PHY_ADDR1, INPHI_PHY_ADDR2, -1}, 114 EMI1, IO_SLOT_1}, 115 {WRIOP1_DPMAC5, {INPHI_PHY_ADDR1, INPHI_PHY_ADDR2, -1}, 116 EMI1, IO_SLOT_1}, 117 {WRIOP1_DPMAC6, {INPHI_PHY_ADDR1, INPHI_PHY_ADDR2, -1}, 118 EMI1, IO_SLOT_1} } }, 119 {19, {{WRIOP1_DPMAC2, {CORTINA_PHY_ADDR1, -1}, 120 EMI1, IO_SLOT_2}, 121 {WRIOP1_DPMAC3, {AQ_PHY_ADDR1, -1}, 122 EMI1, IO_SLOT_1}, 123 {WRIOP1_DPMAC4, {AQ_PHY_ADDR2, -1}, 124 EMI1, IO_SLOT_1}, 125 {WRIOP1_DPMAC5, {INPHI_PHY_ADDR1, INPHI_PHY_ADDR2, -1}, 126 EMI1, IO_SLOT_6}, 127 {WRIOP1_DPMAC6, {INPHI_PHY_ADDR1, INPHI_PHY_ADDR2, -1}, 128 EMI1, IO_SLOT_6} } }, 129 {20, {{WRIOP1_DPMAC1, {CORTINA_PHY_ADDR1, -1}, 130 EMI1, IO_SLOT_1}, 131 {WRIOP1_DPMAC2, {CORTINA_PHY_ADDR1, -1}, 132 EMI1, IO_SLOT_2} } } 133 }; 134 135 static const struct serdes_phy_config serdes2_phy_config[] = { 136 {2, {} }, 137 {3, {} }, 138 {5, {} }, 139 {11, {{WRIOP1_DPMAC12, {SGMII_CARD_PORT2_PHY_ADDR, -1}, 140 EMI1, IO_SLOT_7}, 141 {WRIOP1_DPMAC17, {SGMII_CARD_PORT3_PHY_ADDR, -1}, 142 EMI1, IO_SLOT_7}, 143 {WRIOP1_DPMAC18, {SGMII_CARD_PORT4_PHY_ADDR, -1}, 144 EMI1, IO_SLOT_7}, 145 {WRIOP1_DPMAC16, {SGMII_CARD_PORT2_PHY_ADDR, -1}, 146 EMI1, IO_SLOT_8}, 147 {WRIOP1_DPMAC13, {SGMII_CARD_PORT3_PHY_ADDR, -1}, 148 EMI1, IO_SLOT_8}, 149 {WRIOP1_DPMAC14, {SGMII_CARD_PORT4_PHY_ADDR, -1}, 150 EMI1, IO_SLOT_8} } }, 151 }; 152 153 static const struct serdes_phy_config serdes3_phy_config[] = { 154 {2, {} }, 155 {3, {} } 156 }; 157 158 static inline 159 const struct phy_config *get_phy_config(u8 serdes, 160 const struct serdes_phy_config *table, 161 u8 table_size) 162 { 163 int i; 164 165 for (i = 0; i < table_size; i++) { 166 if (table[i].serdes == serdes) 167 return table[i].phy_config; 168 } 169 170 return NULL; 171 } 172 173 /* BRDCFG4 controls EMI routing for the board. 174 * Bits Function 175 * 7-6 EMI Interface #1 Primary Routing (CFG_MUX1_EMI1) (1.8V): 176 * EMI1 00= On-board PHY #1 177 * 01= On-board PHY #2 178 * 10= (reserved) 179 * 11= Slots 1..8 multiplexer and translator. 180 * 5-3 EMI Interface #1 Secondary Routing (CFG_MUX2_EMI1) (2.5V): 181 * EMI1X 000= Slot #1 182 * 001= Slot #2 183 * 010= Slot #3 184 * 011= Slot #4 185 * 100= Slot #5 186 * 101= Slot #6 187 * 110= Slot #7 188 * 111= Slot #8 189 * 2-0 EMI Interface #2 Routing (CFG_MUX_EMI2): 190 * EMI2 000= Slot #1 (secondary EMI) 191 * 001= Slot #2 (secondary EMI) 192 * 010= Slot #3 (secondary EMI) 193 * 011= Slot #4 (secondary EMI) 194 * 100= Slot #5 (secondary EMI) 195 * 101= Slot #6 (secondary EMI) 196 * 110= Slot #7 (secondary EMI) 197 * 111= Slot #8 (secondary EMI) 198 */ 199 static int lx2160a_qds_get_mdio_mux_val(u8 realbusnum, enum io_slot ioslot) 200 { 201 switch (realbusnum) { 202 case EMI1: 203 switch (ioslot) { 204 case EMI1_RGMII1: 205 return 0; 206 case EMI1_RGMII2: 207 return 0x40; 208 default: 209 return (((ioslot - 1) << BRDCFG4_EMI1SEL_SHIFT) | 0xC0); 210 } 211 break; 212 case EMI2: 213 return ((ioslot - 1) << BRDCFG4_EMI2SEL_SHIFT); 214 default: 215 return -1; 216 } 217 } 218 219 static void lx2160a_qds_mux_mdio(struct lx2160a_qds_mdio *priv) 220 { 221 u8 brdcfg4, mux_val, reg; 222 223 brdcfg4 = QIXIS_READ(brdcfg[4]); 224 reg = brdcfg4; 225 mux_val = lx2160a_qds_get_mdio_mux_val(priv->realbusnum, priv->ioslot); 226 227 switch (priv->realbusnum) { 228 case EMI1: 229 brdcfg4 &= ~BRDCFG4_EMI1SEL_MASK; 230 brdcfg4 |= mux_val; 231 break; 232 case EMI2: 233 brdcfg4 &= ~BRDCFG4_EMI2SEL_MASK; 234 brdcfg4 |= mux_val; 235 break; 236 } 237 238 if (brdcfg4 ^ reg) 239 QIXIS_WRITE(brdcfg[4], brdcfg4); 240 } 241 242 static int lx2160a_qds_mdio_read(struct mii_dev *bus, int addr, 243 int devad, int regnum) 244 { 245 struct lx2160a_qds_mdio *priv = bus->priv; 246 247 lx2160a_qds_mux_mdio(priv); 248 249 return priv->realbus->read(priv->realbus, addr, devad, regnum); 250 } 251 252 static int lx2160a_qds_mdio_write(struct mii_dev *bus, int addr, int devad, 253 int regnum, u16 value) 254 { 255 struct lx2160a_qds_mdio *priv = bus->priv; 256 257 lx2160a_qds_mux_mdio(priv); 258 259 return priv->realbus->write(priv->realbus, addr, devad, regnum, value); 260 } 261 262 static int lx2160a_qds_mdio_reset(struct mii_dev *bus) 263 { 264 struct lx2160a_qds_mdio *priv = bus->priv; 265 266 return priv->realbus->reset(priv->realbus); 267 } 268 269 static struct mii_dev *lx2160a_qds_mdio_init(u8 realbusnum, enum io_slot ioslot) 270 { 271 struct lx2160a_qds_mdio *pmdio; 272 struct mii_dev *bus; 273 /*should be within MDIO_NAME_LEN*/ 274 char dummy_mdio_name[] = "LX2160A_QDS_MDIO1_IOSLOT1"; 275 276 if (realbusnum == EMI2) { 277 if (ioslot < IO_SLOT_1 || ioslot > IO_SLOT_8) { 278 printf("invalid ioslot %d\n", ioslot); 279 return NULL; 280 } 281 } else if (realbusnum == EMI1) { 282 if (ioslot < IO_SLOT_1 || ioslot > EMI1_RGMII2) { 283 printf("invalid ioslot %d\n", ioslot); 284 return NULL; 285 } 286 } else { 287 printf("not supported real mdio bus %d\n", realbusnum); 288 return NULL; 289 } 290 291 if (ioslot == EMI1_RGMII1) 292 strcpy(dummy_mdio_name, "LX2160A_QDS_MDIO1_RGMII1"); 293 else if (ioslot == EMI1_RGMII2) 294 strcpy(dummy_mdio_name, "LX2160A_QDS_MDIO1_RGMII2"); 295 else 296 sprintf(dummy_mdio_name, "LX2160A_QDS_MDIO%d_IOSLOT%d", 297 realbusnum, ioslot); 298 bus = miiphy_get_dev_by_name(dummy_mdio_name); 299 300 if (bus) 301 return bus; 302 303 bus = mdio_alloc(); 304 if (!bus) { 305 printf("Failed to allocate %s bus\n", dummy_mdio_name); 306 return NULL; 307 } 308 309 pmdio = malloc(sizeof(*pmdio)); 310 if (!pmdio) { 311 printf("Failed to allocate %s private data\n", dummy_mdio_name); 312 free(bus); 313 return NULL; 314 } 315 316 switch (realbusnum) { 317 case EMI1: 318 pmdio->realbus = 319 miiphy_get_dev_by_name(DEFAULT_WRIOP_MDIO1_NAME); 320 break; 321 case EMI2: 322 pmdio->realbus = 323 miiphy_get_dev_by_name(DEFAULT_WRIOP_MDIO2_NAME); 324 break; 325 } 326 327 if (!pmdio->realbus) { 328 printf("No real mdio bus num %d found\n", realbusnum); 329 free(bus); 330 free(pmdio); 331 return NULL; 332 } 333 334 pmdio->realbusnum = realbusnum; 335 pmdio->ioslot = ioslot; 336 bus->read = lx2160a_qds_mdio_read; 337 bus->write = lx2160a_qds_mdio_write; 338 bus->reset = lx2160a_qds_mdio_reset; 339 strcpy(bus->name, dummy_mdio_name); 340 bus->priv = pmdio; 341 342 if (!mdio_register(bus)) 343 return bus; 344 345 printf("No bus with name %s\n", dummy_mdio_name); 346 free(bus); 347 free(pmdio); 348 return NULL; 349 } 350 351 static inline void do_phy_config(const struct phy_config *phy_config) 352 { 353 struct mii_dev *bus; 354 int i, phy_num, phy_address; 355 356 for (i = 0; i < SRDS_MAX_LANES; i++) { 357 if (!phy_config[i].dpmacid) 358 continue; 359 360 for (phy_num = 0; 361 phy_num < ARRAY_SIZE(phy_config[i].phy_address); 362 phy_num++) { 363 phy_address = phy_config[i].phy_address[phy_num]; 364 if (phy_address == -1) 365 break; 366 wriop_set_phy_address(phy_config[i].dpmacid, 367 phy_num, phy_address); 368 } 369 /*Register the muxing front-ends to the MDIO buses*/ 370 bus = lx2160a_qds_mdio_init(phy_config[i].mdio_bus, 371 phy_config[i].ioslot); 372 if (!bus) 373 printf("could not get bus for mdio %d ioslot %d\n", 374 phy_config[i].mdio_bus, 375 phy_config[i].ioslot); 376 else 377 wriop_set_mdio(phy_config[i].dpmacid, bus); 378 } 379 } 380 381 static inline void do_dpmac_config(int dpmac, const char *arg_dpmacid, 382 char *env_dpmac) 383 { 384 const char *ret; 385 size_t len; 386 u8 realbusnum, ioslot; 387 struct mii_dev *bus; 388 int phy_num; 389 char *phystr = "phy00"; 390 391 /*search phy in dpmac arg*/ 392 for (phy_num = 0; phy_num < WRIOP_MAX_PHY_NUM; phy_num++) { 393 sprintf(phystr, "phy%d", phy_num + 1); 394 ret = hwconfig_subarg_f(arg_dpmacid, phystr, &len, env_dpmac); 395 if (!ret) { 396 /*look for phy instead of phy1*/ 397 if (!phy_num) 398 ret = hwconfig_subarg_f(arg_dpmacid, "phy", 399 &len, env_dpmac); 400 if (!ret) 401 continue; 402 } 403 404 if (len != 4 || strncmp(ret, "0x", 2)) 405 printf("invalid phy format in %s variable.\n" 406 "specify phy%d for %s in hex format e.g. 0x12\n", 407 env_dpmac, phy_num + 1, arg_dpmacid); 408 else 409 wriop_set_phy_address(dpmac, phy_num, 410 simple_strtoul(ret, NULL, 16)); 411 } 412 413 /*search mdio in dpmac arg*/ 414 ret = hwconfig_subarg_f(arg_dpmacid, "mdio", &len, env_dpmac); 415 if (ret) 416 realbusnum = *ret - '0'; 417 else 418 realbusnum = EMI_NONE; 419 420 if (realbusnum) { 421 /*search io in dpmac arg*/ 422 ret = hwconfig_subarg_f(arg_dpmacid, "io", &len, env_dpmac); 423 if (ret) 424 ioslot = *ret - '0'; 425 else 426 ioslot = IO_SLOT_NONE; 427 /*Register the muxing front-ends to the MDIO buses*/ 428 bus = lx2160a_qds_mdio_init(realbusnum, ioslot); 429 if (!bus) 430 printf("could not get bus for mdio %d ioslot %d\n", 431 realbusnum, ioslot); 432 else 433 wriop_set_mdio(dpmac, bus); 434 } 435 } 436 437 #endif 438 439 int board_eth_init(bd_t *bis) 440 { 441 #if defined(CONFIG_FSL_MC_ENET) 442 struct memac_mdio_info mdio_info; 443 struct memac_mdio_controller *regs; 444 int i; 445 const char *ret; 446 char *env_dpmac; 447 char dpmacid[] = "dpmac00", srds[] = "00_00_00"; 448 size_t len; 449 struct mii_dev *bus; 450 const struct phy_config *phy_config; 451 struct ccsr_gur *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR); 452 u32 srds_s1, srds_s2, srds_s3; 453 454 srds_s1 = in_le32(&gur->rcwsr[28]) & 455 FSL_CHASSIS3_RCWSR28_SRDS1_PRTCL_MASK; 456 srds_s1 >>= FSL_CHASSIS3_RCWSR28_SRDS1_PRTCL_SHIFT; 457 458 srds_s2 = in_le32(&gur->rcwsr[28]) & 459 FSL_CHASSIS3_RCWSR28_SRDS2_PRTCL_MASK; 460 srds_s2 >>= FSL_CHASSIS3_RCWSR28_SRDS2_PRTCL_SHIFT; 461 462 srds_s3 = in_le32(&gur->rcwsr[28]) & 463 FSL_CHASSIS3_RCWSR28_SRDS3_PRTCL_MASK; 464 srds_s3 >>= FSL_CHASSIS3_RCWSR28_SRDS3_PRTCL_SHIFT; 465 466 sprintf(srds, "%d_%d_%d", srds_s1, srds_s2, srds_s3); 467 468 regs = (struct memac_mdio_controller *)CONFIG_SYS_FSL_WRIOP1_MDIO1; 469 mdio_info.regs = regs; 470 mdio_info.name = DEFAULT_WRIOP_MDIO1_NAME; 471 472 /*Register the EMI 1*/ 473 fm_memac_mdio_init(bis, &mdio_info); 474 475 regs = (struct memac_mdio_controller *)CONFIG_SYS_FSL_WRIOP1_MDIO2; 476 mdio_info.regs = regs; 477 mdio_info.name = DEFAULT_WRIOP_MDIO2_NAME; 478 479 /*Register the EMI 2*/ 480 fm_memac_mdio_init(bis, &mdio_info); 481 482 /* "dpmac" environment variable can be used after 483 * defining "dpmac_override" in hwconfig environment variable. 484 */ 485 if (hwconfig("dpmac_override")) { 486 env_dpmac = env_get("dpmac"); 487 if (env_dpmac) { 488 ret = hwconfig_arg_f("srds", &len, env_dpmac); 489 if (ret) { 490 if (strncmp(ret, srds, strlen(srds))) { 491 printf("SERDES configuration changed.\n" 492 "previous: %.*s, current: %s.\n" 493 "update dpmac variable.\n", 494 (int)len, ret, srds); 495 } 496 } else { 497 printf("SERDES configuration not found.\n" 498 "Please add srds:%s in dpmac variable\n", 499 srds); 500 } 501 502 for (i = WRIOP1_DPMAC1; i < NUM_WRIOP_PORTS; i++) { 503 /* Look for dpmac1 to dpmac24(current max) arg 504 * in dpmac environment variable 505 */ 506 sprintf(dpmacid, "dpmac%d", i); 507 ret = hwconfig_arg_f(dpmacid, &len, env_dpmac); 508 if (ret) 509 do_dpmac_config(i, dpmacid, env_dpmac); 510 } 511 } else { 512 printf("Warning: environment dpmac not found.\n" 513 "DPAA network interfaces may not work\n"); 514 } 515 } else { 516 /*Look for phy config for serdes1 in phy config table*/ 517 phy_config = get_phy_config(srds_s1, serdes1_phy_config, 518 ARRAY_SIZE(serdes1_phy_config)); 519 if (!phy_config) { 520 printf("%s WRIOP: Unsupported SerDes1 Protocol %d\n", 521 __func__, srds_s1); 522 } else { 523 do_phy_config(phy_config); 524 } 525 phy_config = get_phy_config(srds_s2, serdes2_phy_config, 526 ARRAY_SIZE(serdes2_phy_config)); 527 if (!phy_config) { 528 printf("%s WRIOP: Unsupported SerDes2 Protocol %d\n", 529 __func__, srds_s2); 530 } else { 531 do_phy_config(phy_config); 532 } 533 phy_config = get_phy_config(srds_s3, serdes3_phy_config, 534 ARRAY_SIZE(serdes3_phy_config)); 535 if (!phy_config) { 536 printf("%s WRIOP: Unsupported SerDes3 Protocol %d\n", 537 __func__, srds_s3); 538 } else { 539 do_phy_config(phy_config); 540 } 541 } 542 543 if (wriop_get_enet_if(WRIOP1_DPMAC17) == PHY_INTERFACE_MODE_RGMII_ID) { 544 wriop_set_phy_address(WRIOP1_DPMAC17, 0, RGMII_PHY_ADDR1); 545 bus = lx2160a_qds_mdio_init(EMI1, EMI1_RGMII1); 546 if (!bus) 547 printf("could not get bus for RGMII1\n"); 548 else 549 wriop_set_mdio(WRIOP1_DPMAC17, bus); 550 } 551 552 if (wriop_get_enet_if(WRIOP1_DPMAC18) == PHY_INTERFACE_MODE_RGMII_ID) { 553 wriop_set_phy_address(WRIOP1_DPMAC18, 0, RGMII_PHY_ADDR2); 554 bus = lx2160a_qds_mdio_init(EMI1, EMI1_RGMII2); 555 if (!bus) 556 printf("could not get bus for RGMII2\n"); 557 else 558 wriop_set_mdio(WRIOP1_DPMAC18, bus); 559 } 560 561 cpu_eth_init(bis); 562 #endif /* CONFIG_FMAN_ENET */ 563 564 #ifdef CONFIG_PHY_AQUANTIA 565 /* 566 * Export functions to be used by AQ firmware 567 * upload application 568 */ 569 gd->jt->strcpy = strcpy; 570 gd->jt->mdelay = mdelay; 571 gd->jt->mdio_get_current_dev = mdio_get_current_dev; 572 gd->jt->phy_find_by_mask = phy_find_by_mask; 573 gd->jt->mdio_phydev_for_ethname = mdio_phydev_for_ethname; 574 gd->jt->miiphy_set_current_dev = miiphy_set_current_dev; 575 #endif 576 return pci_eth_init(bis); 577 } 578 579 #if defined(CONFIG_RESET_PHY_R) 580 void reset_phy(void) 581 { 582 #if defined(CONFIG_FSL_MC_ENET) 583 mc_env_boot(); 584 #endif 585 } 586 #endif /* CONFIG_RESET_PHY_R */ 587 588 #if defined(CONFIG_FSL_MC_ENET) 589 int fdt_fixup_dpmac_phy_handle(void *fdt, int dpmac_id, int node_phandle) 590 { 591 int offset; 592 int ret; 593 char dpmac_str[] = "dpmacs@00"; 594 const char *phy_string; 595 596 offset = fdt_path_offset(fdt, "/soc/fsl-mc/dpmacs"); 597 598 if (offset < 0) 599 offset = fdt_path_offset(fdt, "/fsl-mc/dpmacs"); 600 601 if (offset < 0) { 602 printf("dpmacs node not found in device tree\n"); 603 return offset; 604 } 605 606 sprintf(dpmac_str, "dpmac@%x", dpmac_id); 607 debug("dpmac_str = %s\n", dpmac_str); 608 609 offset = fdt_subnode_offset(fdt, offset, dpmac_str); 610 if (offset < 0) { 611 printf("%s node not found in device tree\n", dpmac_str); 612 return offset; 613 } 614 615 ret = fdt_appendprop_cell(fdt, offset, "phy-handle", node_phandle); 616 if (ret) 617 printf("%d@%s %d\n", __LINE__, __func__, ret); 618 619 phy_string = phy_string_for_interface(wriop_get_enet_if(dpmac_id)); 620 ret = fdt_setprop_string(fdt, offset, "phy-connection-type", 621 phy_string); 622 if (ret) 623 printf("%d@%s %d\n", __LINE__, __func__, ret); 624 625 return ret; 626 } 627 628 int fdt_get_ioslot_offset(void *fdt, struct mii_dev *mii_dev, int fpga_offset) 629 { 630 char mdio_ioslot_str[] = "mdio@00"; 631 struct lx2160a_qds_mdio *priv; 632 u64 reg; 633 u32 phandle; 634 int offset, mux_val; 635 636 /*Test if the MDIO bus is real mdio bus or muxing front end ?*/ 637 if (strncmp(mii_dev->name, "LX2160A_QDS_MDIO", 638 strlen("LX2160A_QDS_MDIO"))) 639 return -1; 640 641 /*Get the real MDIO bus num and ioslot info from bus's priv data*/ 642 priv = mii_dev->priv; 643 644 debug("real_bus_num = %d, ioslot = %d\n", 645 priv->realbusnum, priv->ioslot); 646 647 if (priv->realbusnum == EMI1) 648 reg = CONFIG_SYS_FSL_WRIOP1_MDIO1; 649 else 650 reg = CONFIG_SYS_FSL_WRIOP1_MDIO2; 651 652 offset = fdt_node_offset_by_compat_reg(fdt, "fsl,fman-memac-mdio", reg); 653 if (offset < 0) { 654 printf("mdio@%llx node not found in device tree\n", reg); 655 return offset; 656 } 657 658 phandle = fdt_get_phandle(fdt, offset); 659 phandle = cpu_to_fdt32(phandle); 660 offset = fdt_node_offset_by_prop_value(fdt, -1, "mdio-parent-bus", 661 &phandle, 4); 662 if (offset < 0) { 663 printf("mdio-mux-%d node not found in device tree\n", 664 priv->realbusnum == EMI1 ? 1 : 2); 665 return offset; 666 } 667 668 mux_val = lx2160a_qds_get_mdio_mux_val(priv->realbusnum, priv->ioslot); 669 if (priv->realbusnum == EMI1) 670 mux_val >>= BRDCFG4_EMI1SEL_SHIFT; 671 else 672 mux_val >>= BRDCFG4_EMI2SEL_SHIFT; 673 sprintf(mdio_ioslot_str, "mdio@%x", (u8)mux_val); 674 675 offset = fdt_subnode_offset(fdt, offset, mdio_ioslot_str); 676 if (offset < 0) { 677 printf("%s node not found in device tree\n", mdio_ioslot_str); 678 return offset; 679 } 680 681 return offset; 682 } 683 684 int fdt_create_phy_node(void *fdt, int offset, u8 phyaddr, int *subnodeoffset, 685 struct phy_device *phy_dev, int phandle) 686 { 687 char phy_node_name[] = "ethernet-phy@00"; 688 char phy_id_compatible_str[] = "ethernet-phy-id0000.0000"; 689 int ret; 690 691 sprintf(phy_node_name, "ethernet-phy@%x", phyaddr); 692 debug("phy_node_name = %s\n", phy_node_name); 693 694 *subnodeoffset = fdt_add_subnode(fdt, offset, phy_node_name); 695 if (*subnodeoffset <= 0) { 696 printf("Could not add subnode %s inside node %s err = %s\n", 697 phy_node_name, fdt_get_name(fdt, offset, NULL), 698 fdt_strerror(*subnodeoffset)); 699 return *subnodeoffset; 700 } 701 702 sprintf(phy_id_compatible_str, "ethernet-phy-id%04x.%04x", 703 phy_dev->phy_id >> 16, phy_dev->phy_id & 0xFFFF); 704 debug("phy_id_compatible_str %s\n", phy_id_compatible_str); 705 706 ret = fdt_setprop_string(fdt, *subnodeoffset, "compatible", 707 phy_id_compatible_str); 708 if (ret) { 709 printf("%d@%s %d\n", __LINE__, __func__, ret); 710 goto out; 711 } 712 713 if (phy_dev->is_c45) { 714 ret = fdt_appendprop_string(fdt, *subnodeoffset, "compatible", 715 "ethernet-phy-ieee802.3-c45"); 716 if (ret) { 717 printf("%d@%s %d\n", __LINE__, __func__, ret); 718 goto out; 719 } 720 } else { 721 ret = fdt_appendprop_string(fdt, *subnodeoffset, "compatible", 722 "ethernet-phy-ieee802.3-c22"); 723 if (ret) { 724 printf("%d@%s %d\n", __LINE__, __func__, ret); 725 goto out; 726 } 727 } 728 729 ret = fdt_setprop_cell(fdt, *subnodeoffset, "reg", phyaddr); 730 if (ret) { 731 printf("%d@%s %d\n", __LINE__, __func__, ret); 732 goto out; 733 } 734 735 ret = fdt_set_phandle(fdt, *subnodeoffset, phandle); 736 if (ret) { 737 printf("%d@%s %d\n", __LINE__, __func__, ret); 738 goto out; 739 } 740 741 out: 742 if (ret) 743 fdt_del_node(fdt, *subnodeoffset); 744 745 return ret; 746 } 747 748 int fdt_fixup_board_phy(void *fdt) 749 { 750 int fpga_offset, offset, subnodeoffset; 751 struct mii_dev *mii_dev; 752 struct list_head *mii_devs, *entry; 753 int ret, dpmac_id, phandle, i; 754 struct phy_device *phy_dev; 755 char ethname[ETH_NAME_LEN]; 756 phy_interface_t phy_iface; 757 758 ret = 0; 759 /* we know FPGA is connected to i2c0, therefore search path directly, 760 * instead of compatible property, as it saves time 761 */ 762 fpga_offset = fdt_path_offset(fdt, "/soc/i2c@2000000/fpga"); 763 764 if (fpga_offset < 0) 765 fpga_offset = fdt_path_offset(fdt, "/i2c@2000000/fpga"); 766 767 if (fpga_offset < 0) { 768 printf("i2c@2000000/fpga node not found in device tree\n"); 769 return fpga_offset; 770 } 771 772 phandle = fdt_alloc_phandle(fdt); 773 mii_devs = mdio_get_list_head(); 774 775 list_for_each(entry, mii_devs) { 776 mii_dev = list_entry(entry, struct mii_dev, link); 777 debug("mii_dev name : %s\n", mii_dev->name); 778 offset = fdt_get_ioslot_offset(fdt, mii_dev, fpga_offset); 779 if (offset < 0) 780 continue; 781 782 // Look for phy devices attached to MDIO bus muxing front end 783 // and create their entries with compatible being the device id 784 for (i = 0; i < PHY_MAX_ADDR; i++) { 785 phy_dev = mii_dev->phymap[i]; 786 if (!phy_dev) 787 continue; 788 789 // TODO: use sscanf instead of loop 790 dpmac_id = WRIOP1_DPMAC1; 791 while (dpmac_id < NUM_WRIOP_PORTS) { 792 phy_iface = wriop_get_enet_if(dpmac_id); 793 snprintf(ethname, ETH_NAME_LEN, "DPMAC%d@%s", 794 dpmac_id, 795 phy_string_for_interface(phy_iface)); 796 if (strcmp(ethname, phy_dev->dev->name) == 0) 797 break; 798 dpmac_id++; 799 } 800 if (dpmac_id == NUM_WRIOP_PORTS) 801 continue; 802 ret = fdt_create_phy_node(fdt, offset, i, 803 &subnodeoffset, 804 phy_dev, phandle); 805 if (ret) 806 break; 807 808 ret = fdt_fixup_dpmac_phy_handle(fdt, 809 dpmac_id, phandle); 810 if (ret) { 811 fdt_del_node(fdt, subnodeoffset); 812 break; 813 } 814 /* calculate offset again as new node addition may have 815 * changed offset; 816 */ 817 offset = fdt_get_ioslot_offset(fdt, mii_dev, 818 fpga_offset); 819 phandle++; 820 } 821 822 if (ret) 823 break; 824 } 825 826 return ret; 827 } 828 #endif // CONFIG_FSL_MC_ENET 829 830