Shaohui Xie | 085ac1c | 2016-09-07 17:56:14 +0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2016 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 <malloc.h> |
| 15 | #include <asm/arch/fsl_serdes.h> |
| 16 | |
| 17 | #include "../common/qixis.h" |
| 18 | #include "../common/fman.h" |
| 19 | #include "ls1046aqds_qixis.h" |
| 20 | |
| 21 | #define EMI_NONE 0xFF |
| 22 | #define EMI1_RGMII1 0 |
| 23 | #define EMI1_RGMII2 1 |
| 24 | #define EMI1_SLOT1 2 |
| 25 | #define EMI1_SLOT2 3 |
| 26 | #define EMI1_SLOT4 4 |
| 27 | |
| 28 | static int mdio_mux[NUM_FM_PORTS]; |
| 29 | |
| 30 | static const char * const mdio_names[] = { |
| 31 | "LS1046AQDS_MDIO_RGMII1", |
| 32 | "LS1046AQDS_MDIO_RGMII2", |
| 33 | "LS1046AQDS_MDIO_SLOT1", |
| 34 | "LS1046AQDS_MDIO_SLOT2", |
| 35 | "LS1046AQDS_MDIO_SLOT4", |
| 36 | "NULL", |
| 37 | }; |
| 38 | |
| 39 | /* Map SerDes 1 & 2 lanes to default slot. */ |
| 40 | static u8 lane_to_slot[] = {1, 1, 1, 1, 0, 4, 0 , 0}; |
| 41 | |
| 42 | static const char *ls1046aqds_mdio_name_for_muxval(u8 muxval) |
| 43 | { |
| 44 | return mdio_names[muxval]; |
| 45 | } |
| 46 | |
| 47 | struct mii_dev *mii_dev_for_muxval(u8 muxval) |
| 48 | { |
| 49 | struct mii_dev *bus; |
| 50 | const char *name; |
| 51 | |
| 52 | if (muxval > EMI1_SLOT4) |
| 53 | return NULL; |
| 54 | |
| 55 | name = ls1046aqds_mdio_name_for_muxval(muxval); |
| 56 | |
| 57 | if (!name) { |
| 58 | printf("No bus for muxval %x\n", muxval); |
| 59 | return NULL; |
| 60 | } |
| 61 | |
| 62 | bus = miiphy_get_dev_by_name(name); |
| 63 | |
| 64 | if (!bus) { |
| 65 | printf("No bus by name %s\n", name); |
| 66 | return NULL; |
| 67 | } |
| 68 | |
| 69 | return bus; |
| 70 | } |
| 71 | |
| 72 | struct ls1046aqds_mdio { |
| 73 | u8 muxval; |
| 74 | struct mii_dev *realbus; |
| 75 | }; |
| 76 | |
| 77 | static void ls1046aqds_mux_mdio(u8 muxval) |
| 78 | { |
| 79 | u8 brdcfg4; |
| 80 | |
| 81 | if (muxval < 7) { |
| 82 | brdcfg4 = QIXIS_READ(brdcfg[4]); |
| 83 | brdcfg4 &= ~BRDCFG4_EMISEL_MASK; |
| 84 | brdcfg4 |= (muxval << BRDCFG4_EMISEL_SHIFT); |
| 85 | QIXIS_WRITE(brdcfg[4], brdcfg4); |
| 86 | } |
| 87 | } |
| 88 | |
| 89 | static int ls1046aqds_mdio_read(struct mii_dev *bus, int addr, int devad, |
| 90 | int regnum) |
| 91 | { |
| 92 | struct ls1046aqds_mdio *priv = bus->priv; |
| 93 | |
| 94 | ls1046aqds_mux_mdio(priv->muxval); |
| 95 | |
| 96 | return priv->realbus->read(priv->realbus, addr, devad, regnum); |
| 97 | } |
| 98 | |
| 99 | static int ls1046aqds_mdio_write(struct mii_dev *bus, int addr, int devad, |
| 100 | int regnum, u16 value) |
| 101 | { |
| 102 | struct ls1046aqds_mdio *priv = bus->priv; |
| 103 | |
| 104 | ls1046aqds_mux_mdio(priv->muxval); |
| 105 | |
| 106 | return priv->realbus->write(priv->realbus, addr, devad, |
| 107 | regnum, value); |
| 108 | } |
| 109 | |
| 110 | static int ls1046aqds_mdio_reset(struct mii_dev *bus) |
| 111 | { |
| 112 | struct ls1046aqds_mdio *priv = bus->priv; |
| 113 | |
| 114 | return priv->realbus->reset(priv->realbus); |
| 115 | } |
| 116 | |
| 117 | static int ls1046aqds_mdio_init(char *realbusname, u8 muxval) |
| 118 | { |
| 119 | struct ls1046aqds_mdio *pmdio; |
| 120 | struct mii_dev *bus = mdio_alloc(); |
| 121 | |
| 122 | if (!bus) { |
| 123 | printf("Failed to allocate ls1046aqds MDIO bus\n"); |
| 124 | return -1; |
| 125 | } |
| 126 | |
| 127 | pmdio = malloc(sizeof(*pmdio)); |
| 128 | if (!pmdio) { |
| 129 | printf("Failed to allocate ls1046aqds private data\n"); |
| 130 | free(bus); |
| 131 | return -1; |
| 132 | } |
| 133 | |
| 134 | bus->read = ls1046aqds_mdio_read; |
| 135 | bus->write = ls1046aqds_mdio_write; |
| 136 | bus->reset = ls1046aqds_mdio_reset; |
| 137 | sprintf(bus->name, ls1046aqds_mdio_name_for_muxval(muxval)); |
| 138 | |
| 139 | pmdio->realbus = miiphy_get_dev_by_name(realbusname); |
| 140 | |
| 141 | if (!pmdio->realbus) { |
| 142 | printf("No bus with name %s\n", realbusname); |
| 143 | free(bus); |
| 144 | free(pmdio); |
| 145 | return -1; |
| 146 | } |
| 147 | |
| 148 | pmdio->muxval = muxval; |
| 149 | bus->priv = pmdio; |
| 150 | return mdio_register(bus); |
| 151 | } |
| 152 | |
| 153 | void board_ft_fman_fixup_port(void *fdt, char *compat, phys_addr_t addr, |
| 154 | enum fm_port port, int offset) |
| 155 | { |
| 156 | struct fixed_link f_link; |
| 157 | |
| 158 | if (fm_info_get_enet_if(port) == PHY_INTERFACE_MODE_SGMII) { |
| 159 | switch (port) { |
| 160 | case FM1_DTSEC9: |
| 161 | fdt_set_phy_handle(fdt, compat, addr, "sgmii_s1_p1"); |
| 162 | break; |
| 163 | case FM1_DTSEC10: |
| 164 | fdt_set_phy_handle(fdt, compat, addr, "sgmii_s1_p2"); |
| 165 | break; |
| 166 | case FM1_DTSEC5: |
| 167 | fdt_set_phy_handle(fdt, compat, addr, "sgmii_s1_p3"); |
| 168 | break; |
| 169 | case FM1_DTSEC6: |
| 170 | fdt_set_phy_handle(fdt, compat, addr, "sgmii_s1_p4"); |
| 171 | break; |
| 172 | case FM1_DTSEC2: |
| 173 | fdt_set_phy_handle(fdt, compat, addr, "sgmii_s4_p1"); |
| 174 | break; |
| 175 | default: |
| 176 | break; |
| 177 | } |
| 178 | } else if (fm_info_get_enet_if(port) == PHY_INTERFACE_MODE_SGMII_2500) { |
| 179 | /* 2.5G SGMII interface */ |
| 180 | f_link.phy_id = cpu_to_fdt32(port); |
| 181 | f_link.duplex = cpu_to_fdt32(1); |
| 182 | f_link.link_speed = cpu_to_fdt32(1000); |
| 183 | f_link.pause = 0; |
| 184 | f_link.asym_pause = 0; |
| 185 | /* no PHY for 2.5G SGMII on QDS */ |
| 186 | fdt_delprop(fdt, offset, "phy-handle"); |
| 187 | fdt_setprop(fdt, offset, "fixed-link", &f_link, sizeof(f_link)); |
| 188 | fdt_setprop_string(fdt, offset, "phy-connection-type", |
| 189 | "sgmii-2500"); |
| 190 | } else if (fm_info_get_enet_if(port) == PHY_INTERFACE_MODE_QSGMII) { |
| 191 | switch (port) { |
| 192 | case FM1_DTSEC1: |
| 193 | fdt_set_phy_handle(fdt, compat, addr, "qsgmii_s2_p4"); |
| 194 | break; |
| 195 | case FM1_DTSEC5: |
| 196 | fdt_set_phy_handle(fdt, compat, addr, "qsgmii_s2_p2"); |
| 197 | break; |
| 198 | case FM1_DTSEC6: |
| 199 | fdt_set_phy_handle(fdt, compat, addr, "qsgmii_s2_p1"); |
| 200 | break; |
| 201 | case FM1_DTSEC10: |
| 202 | fdt_set_phy_handle(fdt, compat, addr, "qsgmii_s2_p3"); |
| 203 | break; |
| 204 | default: |
| 205 | break; |
| 206 | } |
| 207 | fdt_delprop(fdt, offset, "phy-connection-type"); |
| 208 | fdt_setprop_string(fdt, offset, "phy-connection-type", |
| 209 | "qsgmii"); |
| 210 | } else if (fm_info_get_enet_if(port) == PHY_INTERFACE_MODE_XGMII && |
| 211 | (port == FM1_10GEC1 || port == FM1_10GEC2)) { |
| 212 | /* XFI interface */ |
| 213 | f_link.phy_id = cpu_to_fdt32(port); |
| 214 | f_link.duplex = cpu_to_fdt32(1); |
| 215 | f_link.link_speed = cpu_to_fdt32(10000); |
| 216 | f_link.pause = 0; |
| 217 | f_link.asym_pause = 0; |
| 218 | /* no PHY for XFI */ |
| 219 | fdt_delprop(fdt, offset, "phy-handle"); |
| 220 | fdt_setprop(fdt, offset, "fixed-link", &f_link, sizeof(f_link)); |
| 221 | fdt_setprop_string(fdt, offset, "phy-connection-type", "xgmii"); |
| 222 | } |
| 223 | } |
| 224 | |
| 225 | void fdt_fixup_board_enet(void *fdt) |
| 226 | { |
| 227 | int i; |
| 228 | |
| 229 | for (i = FM1_DTSEC1; i < NUM_FM_PORTS; i++) { |
| 230 | switch (fm_info_get_enet_if(i)) { |
| 231 | case PHY_INTERFACE_MODE_SGMII: |
| 232 | case PHY_INTERFACE_MODE_QSGMII: |
| 233 | switch (mdio_mux[i]) { |
| 234 | case EMI1_SLOT1: |
| 235 | fdt_status_okay_by_alias(fdt, "emi1_slot1"); |
| 236 | break; |
| 237 | case EMI1_SLOT2: |
| 238 | fdt_status_okay_by_alias(fdt, "emi1_slot2"); |
| 239 | break; |
| 240 | case EMI1_SLOT4: |
| 241 | fdt_status_okay_by_alias(fdt, "emi1_slot4"); |
| 242 | break; |
| 243 | default: |
| 244 | break; |
| 245 | } |
| 246 | break; |
| 247 | default: |
| 248 | break; |
| 249 | } |
| 250 | } |
| 251 | } |
| 252 | |
| 253 | int board_eth_init(bd_t *bis) |
| 254 | { |
| 255 | #ifdef CONFIG_FMAN_ENET |
| 256 | int i, idx, lane, slot, interface; |
| 257 | struct memac_mdio_info dtsec_mdio_info; |
| 258 | struct ccsr_gur *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR); |
| 259 | u32 srds_s1, srds_s2; |
| 260 | u8 brdcfg12; |
| 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 | srds_s2 = in_be32(&gur->rcwsr[4]) & |
| 267 | FSL_CHASSIS2_RCWSR4_SRDS2_PRTCL_MASK; |
| 268 | srds_s2 >>= FSL_CHASSIS2_RCWSR4_SRDS2_PRTCL_SHIFT; |
| 269 | |
| 270 | /* Initialize the mdio_mux array so we can recognize empty elements */ |
| 271 | for (i = 0; i < NUM_FM_PORTS; i++) |
| 272 | mdio_mux[i] = EMI_NONE; |
| 273 | |
| 274 | dtsec_mdio_info.regs = |
| 275 | (struct memac_mdio_controller *)CONFIG_SYS_FM1_DTSEC_MDIO_ADDR; |
| 276 | |
| 277 | dtsec_mdio_info.name = DEFAULT_FM_MDIO_NAME; |
| 278 | |
| 279 | /* Register the 1G MDIO bus */ |
| 280 | fm_memac_mdio_init(bis, &dtsec_mdio_info); |
| 281 | |
| 282 | /* Register the muxing front-ends to the MDIO buses */ |
| 283 | ls1046aqds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_RGMII1); |
| 284 | ls1046aqds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_RGMII2); |
| 285 | ls1046aqds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT1); |
| 286 | ls1046aqds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT2); |
| 287 | ls1046aqds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT4); |
| 288 | |
| 289 | /* Set the two on-board RGMII PHY address */ |
| 290 | fm_info_set_phy_address(FM1_DTSEC3, RGMII_PHY1_ADDR); |
| 291 | fm_info_set_phy_address(FM1_DTSEC4, RGMII_PHY2_ADDR); |
| 292 | |
| 293 | switch (srds_s1) { |
| 294 | case 0x3333: |
| 295 | /* SGMII on slot 1, MAC 9 */ |
| 296 | fm_info_set_phy_address(FM1_DTSEC9, SGMII_CARD_PORT1_PHY_ADDR); |
| 297 | case 0x1333: |
| 298 | case 0x2333: |
| 299 | /* SGMII on slot 1, MAC 10 */ |
| 300 | fm_info_set_phy_address(FM1_DTSEC10, SGMII_CARD_PORT2_PHY_ADDR); |
| 301 | case 0x1133: |
| 302 | case 0x2233: |
| 303 | /* SGMII on slot 1, MAC 5/6 */ |
| 304 | fm_info_set_phy_address(FM1_DTSEC5, SGMII_CARD_PORT3_PHY_ADDR); |
| 305 | fm_info_set_phy_address(FM1_DTSEC6, SGMII_CARD_PORT4_PHY_ADDR); |
| 306 | break; |
| 307 | case 0x1040: |
| 308 | case 0x2040: |
| 309 | /* QSGMII on lane B, MAC 6/5/10/1 */ |
| 310 | fm_info_set_phy_address(FM1_DTSEC6, |
| 311 | QSGMII_CARD_PORT1_PHY_ADDR_S2); |
| 312 | fm_info_set_phy_address(FM1_DTSEC5, |
| 313 | QSGMII_CARD_PORT2_PHY_ADDR_S2); |
| 314 | fm_info_set_phy_address(FM1_DTSEC10, |
| 315 | QSGMII_CARD_PORT3_PHY_ADDR_S2); |
| 316 | fm_info_set_phy_address(FM1_DTSEC1, |
| 317 | QSGMII_CARD_PORT4_PHY_ADDR_S2); |
| 318 | break; |
| 319 | case 0x3363: |
| 320 | /* SGMII on slot 1, MAC 9/10 */ |
| 321 | fm_info_set_phy_address(FM1_DTSEC9, SGMII_CARD_PORT1_PHY_ADDR); |
| 322 | fm_info_set_phy_address(FM1_DTSEC10, SGMII_CARD_PORT2_PHY_ADDR); |
| 323 | case 0x1163: |
| 324 | case 0x2263: |
| 325 | case 0x2223: |
| 326 | /* SGMII on slot 1, MAC 6 */ |
| 327 | fm_info_set_phy_address(FM1_DTSEC6, SGMII_CARD_PORT4_PHY_ADDR); |
| 328 | break; |
| 329 | default: |
| 330 | printf("Invalid SerDes protocol 0x%x for LS1046AQDS\n", |
| 331 | srds_s1); |
| 332 | break; |
| 333 | } |
| 334 | |
| 335 | if (srds_s2 == 0x5a59 || srds_s2 == 0x5a06) |
| 336 | /* SGMII on slot 4, MAC 2 */ |
| 337 | fm_info_set_phy_address(FM1_DTSEC2, SGMII_CARD_PORT1_PHY_ADDR); |
| 338 | |
| 339 | for (i = FM1_DTSEC1; i < FM1_DTSEC1 + CONFIG_SYS_NUM_FM1_DTSEC; i++) { |
| 340 | idx = i - FM1_DTSEC1; |
| 341 | interface = fm_info_get_enet_if(i); |
| 342 | switch (interface) { |
| 343 | case PHY_INTERFACE_MODE_SGMII: |
| 344 | case PHY_INTERFACE_MODE_QSGMII: |
| 345 | if (interface == PHY_INTERFACE_MODE_SGMII) { |
| 346 | if (i == FM1_DTSEC5) { |
| 347 | /* route lane 2 to slot1 so to have |
| 348 | * one sgmii riser card supports |
| 349 | * MAC5 and MAC6. |
| 350 | */ |
| 351 | brdcfg12 = QIXIS_READ(brdcfg[12]); |
| 352 | QIXIS_WRITE(brdcfg[12], |
| 353 | brdcfg12 | 0x80); |
| 354 | } |
| 355 | lane = serdes_get_first_lane(FSL_SRDS_1, |
| 356 | SGMII_FM1_DTSEC1 + idx); |
| 357 | } else { |
| 358 | /* clear the bit 7 to route lane B on slot2. */ |
| 359 | brdcfg12 = QIXIS_READ(brdcfg[12]); |
| 360 | QIXIS_WRITE(brdcfg[12], brdcfg12 & 0x7f); |
| 361 | |
| 362 | lane = serdes_get_first_lane(FSL_SRDS_1, |
| 363 | QSGMII_FM1_A); |
| 364 | lane_to_slot[lane] = 2; |
| 365 | } |
| 366 | |
| 367 | if (i == FM1_DTSEC2) |
| 368 | lane = 5; |
| 369 | |
| 370 | if (lane < 0) |
| 371 | break; |
| 372 | |
| 373 | slot = lane_to_slot[lane]; |
| 374 | debug("FM1@DTSEC%u expects SGMII in slot %u\n", |
| 375 | idx + 1, slot); |
| 376 | if (QIXIS_READ(present2) & (1 << (slot - 1))) |
| 377 | fm_disable_port(i); |
| 378 | |
| 379 | switch (slot) { |
| 380 | case 1: |
| 381 | mdio_mux[i] = EMI1_SLOT1; |
| 382 | fm_info_set_mdio(i, mii_dev_for_muxval( |
| 383 | mdio_mux[i])); |
| 384 | break; |
| 385 | case 2: |
| 386 | mdio_mux[i] = EMI1_SLOT2; |
| 387 | fm_info_set_mdio(i, mii_dev_for_muxval( |
| 388 | mdio_mux[i])); |
| 389 | break; |
| 390 | case 4: |
| 391 | mdio_mux[i] = EMI1_SLOT4; |
| 392 | fm_info_set_mdio(i, mii_dev_for_muxval( |
| 393 | mdio_mux[i])); |
| 394 | break; |
| 395 | default: |
| 396 | break; |
| 397 | } |
| 398 | break; |
| 399 | case PHY_INTERFACE_MODE_RGMII: |
Madalin Bucur | ed50c44 | 2017-08-18 11:37:20 +0300 | [diff] [blame] | 400 | case PHY_INTERFACE_MODE_RGMII_TXID: |
Shaohui Xie | 085ac1c | 2016-09-07 17:56:14 +0800 | [diff] [blame] | 401 | if (i == FM1_DTSEC3) |
| 402 | mdio_mux[i] = EMI1_RGMII1; |
| 403 | else if (i == FM1_DTSEC4) |
| 404 | mdio_mux[i] = EMI1_RGMII2; |
| 405 | fm_info_set_mdio(i, mii_dev_for_muxval(mdio_mux[i])); |
| 406 | break; |
| 407 | default: |
| 408 | break; |
| 409 | } |
| 410 | } |
| 411 | |
| 412 | cpu_eth_init(bis); |
| 413 | #endif /* CONFIG_FMAN_ENET */ |
| 414 | |
| 415 | return pci_eth_init(bis); |
| 416 | } |