1 /* 2 * Copyright 2015 Freescale Semiconductor, Inc. 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 7 #include <common.h> 8 #include <asm/io.h> 9 #include <netdev.h> 10 #include <fdt_support.h> 11 #include <fm_eth.h> 12 #include <fsl_mdio.h> 13 #include <fsl_dtsec.h> 14 #include <libfdt.h> 15 #include <malloc.h> 16 #include <asm/arch/fsl_serdes.h> 17 18 #include "../common/qixis.h" 19 #include "../common/fman.h" 20 #include "ls1043aqds_qixis.h" 21 22 #define EMI_NONE 0xFF 23 #define EMI1_RGMII1 0 24 #define EMI1_RGMII2 1 25 #define EMI1_SLOT1 2 26 #define EMI1_SLOT2 3 27 #define EMI1_SLOT3 4 28 #define EMI1_SLOT4 5 29 #define EMI2 6 30 31 static int mdio_mux[NUM_FM_PORTS]; 32 33 static const char * const mdio_names[] = { 34 "LS1043AQDS_MDIO_RGMII1", 35 "LS1043AQDS_MDIO_RGMII2", 36 "LS1043AQDS_MDIO_SLOT1", 37 "LS1043AQDS_MDIO_SLOT2", 38 "LS1043AQDS_MDIO_SLOT3", 39 "LS1043AQDS_MDIO_SLOT4", 40 "NULL", 41 }; 42 43 /* Map SerDes1 4 lanes to default slot, will be initialized dynamically */ 44 static u8 lane_to_slot[] = {1, 2, 3, 4}; 45 46 static const char *ls1043aqds_mdio_name_for_muxval(u8 muxval) 47 { 48 return mdio_names[muxval]; 49 } 50 51 struct mii_dev *mii_dev_for_muxval(u8 muxval) 52 { 53 struct mii_dev *bus; 54 const char *name; 55 56 if (muxval > EMI2) 57 return NULL; 58 59 name = ls1043aqds_mdio_name_for_muxval(muxval); 60 61 if (!name) { 62 printf("No bus for muxval %x\n", muxval); 63 return NULL; 64 } 65 66 bus = miiphy_get_dev_by_name(name); 67 68 if (!bus) { 69 printf("No bus by name %s\n", name); 70 return NULL; 71 } 72 73 return bus; 74 } 75 76 struct ls1043aqds_mdio { 77 u8 muxval; 78 struct mii_dev *realbus; 79 }; 80 81 static void ls1043aqds_mux_mdio(u8 muxval) 82 { 83 u8 brdcfg4; 84 85 if (muxval < 7) { 86 brdcfg4 = QIXIS_READ(brdcfg[4]); 87 brdcfg4 &= ~BRDCFG4_EMISEL_MASK; 88 brdcfg4 |= (muxval << BRDCFG4_EMISEL_SHIFT); 89 QIXIS_WRITE(brdcfg[4], brdcfg4); 90 } 91 } 92 93 static int ls1043aqds_mdio_read(struct mii_dev *bus, int addr, int devad, 94 int regnum) 95 { 96 struct ls1043aqds_mdio *priv = bus->priv; 97 98 ls1043aqds_mux_mdio(priv->muxval); 99 100 return priv->realbus->read(priv->realbus, addr, devad, regnum); 101 } 102 103 static int ls1043aqds_mdio_write(struct mii_dev *bus, int addr, int devad, 104 int regnum, u16 value) 105 { 106 struct ls1043aqds_mdio *priv = bus->priv; 107 108 ls1043aqds_mux_mdio(priv->muxval); 109 110 return priv->realbus->write(priv->realbus, addr, devad, 111 regnum, value); 112 } 113 114 static int ls1043aqds_mdio_reset(struct mii_dev *bus) 115 { 116 struct ls1043aqds_mdio *priv = bus->priv; 117 118 return priv->realbus->reset(priv->realbus); 119 } 120 121 static int ls1043aqds_mdio_init(char *realbusname, u8 muxval) 122 { 123 struct ls1043aqds_mdio *pmdio; 124 struct mii_dev *bus = mdio_alloc(); 125 126 if (!bus) { 127 printf("Failed to allocate ls1043aqds MDIO bus\n"); 128 return -1; 129 } 130 131 pmdio = malloc(sizeof(*pmdio)); 132 if (!pmdio) { 133 printf("Failed to allocate ls1043aqds private data\n"); 134 free(bus); 135 return -1; 136 } 137 138 bus->read = ls1043aqds_mdio_read; 139 bus->write = ls1043aqds_mdio_write; 140 bus->reset = ls1043aqds_mdio_reset; 141 strcpy(bus->name, ls1043aqds_mdio_name_for_muxval(muxval)); 142 143 pmdio->realbus = miiphy_get_dev_by_name(realbusname); 144 145 if (!pmdio->realbus) { 146 printf("No bus with name %s\n", realbusname); 147 free(bus); 148 free(pmdio); 149 return -1; 150 } 151 152 pmdio->muxval = muxval; 153 bus->priv = pmdio; 154 return mdio_register(bus); 155 } 156 157 void board_ft_fman_fixup_port(void *fdt, char *compat, phys_addr_t addr, 158 enum fm_port port, int offset) 159 { 160 struct fixed_link f_link; 161 162 if (fm_info_get_enet_if(port) == PHY_INTERFACE_MODE_SGMII) { 163 if (port == FM1_DTSEC9) { 164 fdt_set_phy_handle(fdt, compat, addr, 165 "sgmii_riser_s1_p1"); 166 } else if (port == FM1_DTSEC2) { 167 fdt_set_phy_handle(fdt, compat, addr, 168 "sgmii_riser_s2_p1"); 169 } else if (port == FM1_DTSEC5) { 170 fdt_set_phy_handle(fdt, compat, addr, 171 "sgmii_riser_s3_p1"); 172 } else if (port == FM1_DTSEC6) { 173 fdt_set_phy_handle(fdt, compat, addr, 174 "sgmii_riser_s4_p1"); 175 } 176 } else if (fm_info_get_enet_if(port) == 177 PHY_INTERFACE_MODE_SGMII_2500) { 178 /* 2.5G SGMII interface */ 179 f_link.phy_id = port; 180 f_link.duplex = 1; 181 f_link.link_speed = 1000; 182 f_link.pause = 0; 183 f_link.asym_pause = 0; 184 /* no PHY for 2.5G SGMII */ 185 fdt_delprop(fdt, offset, "phy-handle"); 186 fdt_setprop(fdt, offset, "fixed-link", &f_link, sizeof(f_link)); 187 fdt_setprop_string(fdt, offset, "phy-connection-type", 188 "sgmii-2500"); 189 } else if (fm_info_get_enet_if(port) == PHY_INTERFACE_MODE_QSGMII) { 190 switch (mdio_mux[port]) { 191 case EMI1_SLOT1: 192 switch (port) { 193 case FM1_DTSEC1: 194 fdt_set_phy_handle(fdt, compat, addr, 195 "qsgmii_s1_p1"); 196 break; 197 case FM1_DTSEC2: 198 fdt_set_phy_handle(fdt, compat, addr, 199 "qsgmii_s1_p2"); 200 break; 201 case FM1_DTSEC5: 202 fdt_set_phy_handle(fdt, compat, addr, 203 "qsgmii_s1_p3"); 204 break; 205 case FM1_DTSEC6: 206 fdt_set_phy_handle(fdt, compat, addr, 207 "qsgmii_s1_p4"); 208 break; 209 default: 210 break; 211 } 212 break; 213 case EMI1_SLOT2: 214 switch (port) { 215 case FM1_DTSEC1: 216 fdt_set_phy_handle(fdt, compat, addr, 217 "qsgmii_s2_p1"); 218 break; 219 case FM1_DTSEC2: 220 fdt_set_phy_handle(fdt, compat, addr, 221 "qsgmii_s2_p2"); 222 break; 223 case FM1_DTSEC5: 224 fdt_set_phy_handle(fdt, compat, addr, 225 "qsgmii_s2_p3"); 226 break; 227 case FM1_DTSEC6: 228 fdt_set_phy_handle(fdt, compat, addr, 229 "qsgmii_s2_p4"); 230 break; 231 default: 232 break; 233 } 234 break; 235 default: 236 break; 237 } 238 fdt_delprop(fdt, offset, "phy-connection-type"); 239 fdt_setprop_string(fdt, offset, "phy-connection-type", 240 "qsgmii"); 241 } else if (fm_info_get_enet_if(port) == PHY_INTERFACE_MODE_XGMII && 242 port == FM1_10GEC1) { 243 /* XFI interface */ 244 f_link.phy_id = port; 245 f_link.duplex = 1; 246 f_link.link_speed = 10000; 247 f_link.pause = 0; 248 f_link.asym_pause = 0; 249 /* no PHY for XFI */ 250 fdt_delprop(fdt, offset, "phy-handle"); 251 fdt_setprop(fdt, offset, "fixed-link", &f_link, sizeof(f_link)); 252 fdt_setprop_string(fdt, offset, "phy-connection-type", "xgmii"); 253 } 254 } 255 256 void fdt_fixup_board_enet(void *fdt) 257 { 258 int i; 259 struct ccsr_gur *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR); 260 u32 srds_s1; 261 262 srds_s1 = in_be32(&gur->rcwsr[4]) & 263 FSL_CHASSIS2_RCWSR4_SRDS1_PRTCL_MASK; 264 srds_s1 >>= FSL_CHASSIS2_RCWSR4_SRDS1_PRTCL_SHIFT; 265 266 for (i = FM1_DTSEC1; i < NUM_FM_PORTS; i++) { 267 switch (fm_info_get_enet_if(i)) { 268 case PHY_INTERFACE_MODE_SGMII: 269 case PHY_INTERFACE_MODE_QSGMII: 270 switch (mdio_mux[i]) { 271 case EMI1_SLOT1: 272 fdt_status_okay_by_alias(fdt, "emi1_slot1"); 273 break; 274 case EMI1_SLOT2: 275 fdt_status_okay_by_alias(fdt, "emi1_slot2"); 276 break; 277 case EMI1_SLOT3: 278 fdt_status_okay_by_alias(fdt, "emi1_slot3"); 279 break; 280 case EMI1_SLOT4: 281 fdt_status_okay_by_alias(fdt, "emi1_slot4"); 282 break; 283 default: 284 break; 285 } 286 break; 287 case PHY_INTERFACE_MODE_XGMII: 288 break; 289 default: 290 break; 291 } 292 } 293 } 294 295 int board_eth_init(bd_t *bis) 296 { 297 #ifdef CONFIG_FMAN_ENET 298 int i, idx, lane, slot, interface; 299 struct memac_mdio_info dtsec_mdio_info; 300 struct memac_mdio_info tgec_mdio_info; 301 struct ccsr_gur *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR); 302 u32 srds_s1; 303 304 srds_s1 = in_be32(&gur->rcwsr[4]) & 305 FSL_CHASSIS2_RCWSR4_SRDS1_PRTCL_MASK; 306 srds_s1 >>= FSL_CHASSIS2_RCWSR4_SRDS1_PRTCL_SHIFT; 307 308 /* Initialize the mdio_mux array so we can recognize empty elements */ 309 for (i = 0; i < NUM_FM_PORTS; i++) 310 mdio_mux[i] = EMI_NONE; 311 312 dtsec_mdio_info.regs = 313 (struct memac_mdio_controller *)CONFIG_SYS_FM1_DTSEC_MDIO_ADDR; 314 315 dtsec_mdio_info.name = DEFAULT_FM_MDIO_NAME; 316 317 /* Register the 1G MDIO bus */ 318 fm_memac_mdio_init(bis, &dtsec_mdio_info); 319 320 tgec_mdio_info.regs = 321 (struct memac_mdio_controller *)CONFIG_SYS_FM1_TGEC_MDIO_ADDR; 322 tgec_mdio_info.name = DEFAULT_FM_TGEC_MDIO_NAME; 323 324 /* Register the 10G MDIO bus */ 325 fm_memac_mdio_init(bis, &tgec_mdio_info); 326 327 /* Register the muxing front-ends to the MDIO buses */ 328 ls1043aqds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_RGMII1); 329 ls1043aqds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_RGMII2); 330 ls1043aqds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT1); 331 ls1043aqds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT2); 332 ls1043aqds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT3); 333 ls1043aqds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT4); 334 ls1043aqds_mdio_init(DEFAULT_FM_TGEC_MDIO_NAME, EMI2); 335 336 /* Set the two on-board RGMII PHY address */ 337 fm_info_set_phy_address(FM1_DTSEC3, RGMII_PHY1_ADDR); 338 fm_info_set_phy_address(FM1_DTSEC4, RGMII_PHY2_ADDR); 339 340 switch (srds_s1) { 341 case 0x2555: 342 /* 2.5G SGMII on lane A, MAC 9 */ 343 fm_info_set_phy_address(FM1_DTSEC9, 9); 344 break; 345 case 0x4555: 346 case 0x4558: 347 /* QSGMII on lane A, MAC 1/2/5/6 */ 348 fm_info_set_phy_address(FM1_DTSEC1, 349 QSGMII_CARD_PORT1_PHY_ADDR_S1); 350 fm_info_set_phy_address(FM1_DTSEC2, 351 QSGMII_CARD_PORT2_PHY_ADDR_S1); 352 fm_info_set_phy_address(FM1_DTSEC5, 353 QSGMII_CARD_PORT3_PHY_ADDR_S1); 354 fm_info_set_phy_address(FM1_DTSEC6, 355 QSGMII_CARD_PORT4_PHY_ADDR_S1); 356 break; 357 case 0x1355: 358 /* SGMII on lane B, MAC 2*/ 359 fm_info_set_phy_address(FM1_DTSEC2, SGMII_CARD_PORT1_PHY_ADDR); 360 break; 361 case 0x2355: 362 /* 2.5G SGMII on lane A, MAC 9 */ 363 fm_info_set_phy_address(FM1_DTSEC9, 9); 364 /* SGMII on lane B, MAC 2*/ 365 fm_info_set_phy_address(FM1_DTSEC2, SGMII_CARD_PORT1_PHY_ADDR); 366 break; 367 case 0x3335: 368 /* SGMII on lane C, MAC 5 */ 369 fm_info_set_phy_address(FM1_DTSEC5, SGMII_CARD_PORT1_PHY_ADDR); 370 case 0x3355: 371 case 0x3358: 372 /* SGMII on lane B, MAC 2 */ 373 fm_info_set_phy_address(FM1_DTSEC2, SGMII_CARD_PORT1_PHY_ADDR); 374 case 0x3555: 375 case 0x3558: 376 /* SGMII on lane A, MAC 9 */ 377 fm_info_set_phy_address(FM1_DTSEC9, SGMII_CARD_PORT1_PHY_ADDR); 378 break; 379 case 0x1455: 380 /* QSGMII on lane B, MAC 1/2/5/6 */ 381 fm_info_set_phy_address(FM1_DTSEC1, 382 QSGMII_CARD_PORT1_PHY_ADDR_S2); 383 fm_info_set_phy_address(FM1_DTSEC2, 384 QSGMII_CARD_PORT2_PHY_ADDR_S2); 385 fm_info_set_phy_address(FM1_DTSEC5, 386 QSGMII_CARD_PORT3_PHY_ADDR_S2); 387 fm_info_set_phy_address(FM1_DTSEC6, 388 QSGMII_CARD_PORT4_PHY_ADDR_S2); 389 break; 390 case 0x2455: 391 /* 2.5G SGMII on lane A, MAC 9 */ 392 fm_info_set_phy_address(FM1_DTSEC9, 9); 393 /* QSGMII on lane B, MAC 1/2/5/6 */ 394 fm_info_set_phy_address(FM1_DTSEC1, 395 QSGMII_CARD_PORT1_PHY_ADDR_S2); 396 fm_info_set_phy_address(FM1_DTSEC2, 397 QSGMII_CARD_PORT2_PHY_ADDR_S2); 398 fm_info_set_phy_address(FM1_DTSEC5, 399 QSGMII_CARD_PORT3_PHY_ADDR_S2); 400 fm_info_set_phy_address(FM1_DTSEC6, 401 QSGMII_CARD_PORT4_PHY_ADDR_S2); 402 break; 403 case 0x2255: 404 /* 2.5G SGMII on lane A, MAC 9 */ 405 fm_info_set_phy_address(FM1_DTSEC9, 9); 406 /* 2.5G SGMII on lane B, MAC 2 */ 407 fm_info_set_phy_address(FM1_DTSEC2, 2); 408 break; 409 case 0x3333: 410 /* SGMII on lane A/B/C/D, MAC 9/2/5/6 */ 411 fm_info_set_phy_address(FM1_DTSEC9, 412 SGMII_CARD_PORT1_PHY_ADDR); 413 fm_info_set_phy_address(FM1_DTSEC2, 414 SGMII_CARD_PORT1_PHY_ADDR); 415 fm_info_set_phy_address(FM1_DTSEC5, 416 SGMII_CARD_PORT1_PHY_ADDR); 417 fm_info_set_phy_address(FM1_DTSEC6, 418 SGMII_CARD_PORT1_PHY_ADDR); 419 break; 420 default: 421 printf("Invalid SerDes protocol 0x%x for LS1043AQDS\n", 422 srds_s1); 423 break; 424 } 425 426 for (i = FM1_DTSEC1; i < FM1_DTSEC1 + CONFIG_SYS_NUM_FM1_DTSEC; i++) { 427 idx = i - FM1_DTSEC1; 428 interface = fm_info_get_enet_if(i); 429 switch (interface) { 430 case PHY_INTERFACE_MODE_SGMII: 431 case PHY_INTERFACE_MODE_SGMII_2500: 432 case PHY_INTERFACE_MODE_QSGMII: 433 if (interface == PHY_INTERFACE_MODE_SGMII) { 434 lane = serdes_get_first_lane(FSL_SRDS_1, 435 SGMII_FM1_DTSEC1 + idx); 436 } else if (interface == PHY_INTERFACE_MODE_SGMII_2500) { 437 lane = serdes_get_first_lane(FSL_SRDS_1, 438 SGMII_2500_FM1_DTSEC1 + idx); 439 } else { 440 lane = serdes_get_first_lane(FSL_SRDS_1, 441 QSGMII_FM1_A); 442 } 443 444 if (lane < 0) 445 break; 446 447 slot = lane_to_slot[lane]; 448 debug("FM1@DTSEC%u expects SGMII in slot %u\n", 449 idx + 1, slot); 450 if (QIXIS_READ(present2) & (1 << (slot - 1))) 451 fm_disable_port(i); 452 453 switch (slot) { 454 case 1: 455 mdio_mux[i] = EMI1_SLOT1; 456 fm_info_set_mdio(i, mii_dev_for_muxval( 457 mdio_mux[i])); 458 break; 459 case 2: 460 mdio_mux[i] = EMI1_SLOT2; 461 fm_info_set_mdio(i, mii_dev_for_muxval( 462 mdio_mux[i])); 463 break; 464 case 3: 465 mdio_mux[i] = EMI1_SLOT3; 466 fm_info_set_mdio(i, mii_dev_for_muxval( 467 mdio_mux[i])); 468 break; 469 case 4: 470 mdio_mux[i] = EMI1_SLOT4; 471 fm_info_set_mdio(i, mii_dev_for_muxval( 472 mdio_mux[i])); 473 break; 474 default: 475 break; 476 } 477 break; 478 case PHY_INTERFACE_MODE_RGMII: 479 if (i == FM1_DTSEC3) 480 mdio_mux[i] = EMI1_RGMII1; 481 else if (i == FM1_DTSEC4) 482 mdio_mux[i] = EMI1_RGMII2; 483 fm_info_set_mdio(i, mii_dev_for_muxval(mdio_mux[i])); 484 break; 485 default: 486 break; 487 } 488 } 489 490 cpu_eth_init(bis); 491 #endif /* CONFIG_FMAN_ENET */ 492 493 return pci_eth_init(bis); 494 } 495