1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * drivers/net/ravb.c 4 * This file is driver for Renesas Ethernet AVB. 5 * 6 * Copyright (C) 2015-2017 Renesas Electronics Corporation 7 * 8 * Based on the SuperH Ethernet driver. 9 */ 10 11 #include <common.h> 12 #include <clk.h> 13 #include <dm.h> 14 #include <errno.h> 15 #include <miiphy.h> 16 #include <malloc.h> 17 #include <linux/mii.h> 18 #include <wait_bit.h> 19 #include <asm/io.h> 20 #include <asm/gpio.h> 21 22 /* Registers */ 23 #define RAVB_REG_CCC 0x000 24 #define RAVB_REG_DBAT 0x004 25 #define RAVB_REG_CSR 0x00C 26 #define RAVB_REG_APSR 0x08C 27 #define RAVB_REG_RCR 0x090 28 #define RAVB_REG_TGC 0x300 29 #define RAVB_REG_TCCR 0x304 30 #define RAVB_REG_RIC0 0x360 31 #define RAVB_REG_RIC1 0x368 32 #define RAVB_REG_RIC2 0x370 33 #define RAVB_REG_TIC 0x378 34 #define RAVB_REG_ECMR 0x500 35 #define RAVB_REG_RFLR 0x508 36 #define RAVB_REG_ECSIPR 0x518 37 #define RAVB_REG_PIR 0x520 38 #define RAVB_REG_GECMR 0x5b0 39 #define RAVB_REG_MAHR 0x5c0 40 #define RAVB_REG_MALR 0x5c8 41 42 #define CCC_OPC_CONFIG BIT(0) 43 #define CCC_OPC_OPERATION BIT(1) 44 #define CCC_BOC BIT(20) 45 46 #define CSR_OPS 0x0000000F 47 #define CSR_OPS_CONFIG BIT(1) 48 49 #define TCCR_TSRQ0 BIT(0) 50 51 #define RFLR_RFL_MIN 0x05EE 52 53 #define PIR_MDI BIT(3) 54 #define PIR_MDO BIT(2) 55 #define PIR_MMD BIT(1) 56 #define PIR_MDC BIT(0) 57 58 #define ECMR_TRCCM BIT(26) 59 #define ECMR_RZPF BIT(20) 60 #define ECMR_PFR BIT(18) 61 #define ECMR_RXF BIT(17) 62 #define ECMR_RE BIT(6) 63 #define ECMR_TE BIT(5) 64 #define ECMR_DM BIT(1) 65 #define ECMR_CHG_DM (ECMR_TRCCM | ECMR_RZPF | ECMR_PFR | ECMR_RXF) 66 67 /* DMA Descriptors */ 68 #define RAVB_NUM_BASE_DESC 16 69 #define RAVB_NUM_TX_DESC 8 70 #define RAVB_NUM_RX_DESC 8 71 72 #define RAVB_TX_QUEUE_OFFSET 0 73 #define RAVB_RX_QUEUE_OFFSET 4 74 75 #define RAVB_DESC_DT(n) ((n) << 28) 76 #define RAVB_DESC_DT_FSINGLE RAVB_DESC_DT(0x7) 77 #define RAVB_DESC_DT_LINKFIX RAVB_DESC_DT(0x9) 78 #define RAVB_DESC_DT_EOS RAVB_DESC_DT(0xa) 79 #define RAVB_DESC_DT_FEMPTY RAVB_DESC_DT(0xc) 80 #define RAVB_DESC_DT_EEMPTY RAVB_DESC_DT(0x3) 81 #define RAVB_DESC_DT_MASK RAVB_DESC_DT(0xf) 82 83 #define RAVB_DESC_DS(n) (((n) & 0xfff) << 0) 84 #define RAVB_DESC_DS_MASK 0xfff 85 86 #define RAVB_RX_DESC_MSC_MC BIT(23) 87 #define RAVB_RX_DESC_MSC_CEEF BIT(22) 88 #define RAVB_RX_DESC_MSC_CRL BIT(21) 89 #define RAVB_RX_DESC_MSC_FRE BIT(20) 90 #define RAVB_RX_DESC_MSC_RTLF BIT(19) 91 #define RAVB_RX_DESC_MSC_RTSF BIT(18) 92 #define RAVB_RX_DESC_MSC_RFE BIT(17) 93 #define RAVB_RX_DESC_MSC_CRC BIT(16) 94 #define RAVB_RX_DESC_MSC_MASK (0xff << 16) 95 96 #define RAVB_RX_DESC_MSC_RX_ERR_MASK \ 97 (RAVB_RX_DESC_MSC_CRC | RAVB_RX_DESC_MSC_RFE | RAVB_RX_DESC_MSC_RTLF | \ 98 RAVB_RX_DESC_MSC_RTSF | RAVB_RX_DESC_MSC_CEEF) 99 100 #define RAVB_TX_TIMEOUT_MS 1000 101 102 struct ravb_desc { 103 u32 ctrl; 104 u32 dptr; 105 }; 106 107 struct ravb_rxdesc { 108 struct ravb_desc data; 109 struct ravb_desc link; 110 u8 __pad[48]; 111 u8 packet[PKTSIZE_ALIGN]; 112 }; 113 114 struct ravb_priv { 115 struct ravb_desc base_desc[RAVB_NUM_BASE_DESC]; 116 struct ravb_desc tx_desc[RAVB_NUM_TX_DESC]; 117 struct ravb_rxdesc rx_desc[RAVB_NUM_RX_DESC]; 118 u32 rx_desc_idx; 119 u32 tx_desc_idx; 120 121 struct phy_device *phydev; 122 struct mii_dev *bus; 123 void __iomem *iobase; 124 struct clk clk; 125 struct gpio_desc reset_gpio; 126 }; 127 128 static inline void ravb_flush_dcache(u32 addr, u32 len) 129 { 130 flush_dcache_range(addr, addr + len); 131 } 132 133 static inline void ravb_invalidate_dcache(u32 addr, u32 len) 134 { 135 u32 start = addr & ~((uintptr_t)ARCH_DMA_MINALIGN - 1); 136 u32 end = roundup(addr + len, ARCH_DMA_MINALIGN); 137 invalidate_dcache_range(start, end); 138 } 139 140 static int ravb_send(struct udevice *dev, void *packet, int len) 141 { 142 struct ravb_priv *eth = dev_get_priv(dev); 143 struct ravb_desc *desc = ð->tx_desc[eth->tx_desc_idx]; 144 unsigned int start; 145 146 /* Update TX descriptor */ 147 ravb_flush_dcache((uintptr_t)packet, len); 148 memset(desc, 0x0, sizeof(*desc)); 149 desc->ctrl = RAVB_DESC_DT_FSINGLE | RAVB_DESC_DS(len); 150 desc->dptr = (uintptr_t)packet; 151 ravb_flush_dcache((uintptr_t)desc, sizeof(*desc)); 152 153 /* Restart the transmitter if disabled */ 154 if (!(readl(eth->iobase + RAVB_REG_TCCR) & TCCR_TSRQ0)) 155 setbits_le32(eth->iobase + RAVB_REG_TCCR, TCCR_TSRQ0); 156 157 /* Wait until packet is transmitted */ 158 start = get_timer(0); 159 while (get_timer(start) < RAVB_TX_TIMEOUT_MS) { 160 ravb_invalidate_dcache((uintptr_t)desc, sizeof(*desc)); 161 if ((desc->ctrl & RAVB_DESC_DT_MASK) != RAVB_DESC_DT_FSINGLE) 162 break; 163 udelay(10); 164 }; 165 166 if (get_timer(start) >= RAVB_TX_TIMEOUT_MS) 167 return -ETIMEDOUT; 168 169 eth->tx_desc_idx = (eth->tx_desc_idx + 1) % (RAVB_NUM_TX_DESC - 1); 170 return 0; 171 } 172 173 static int ravb_recv(struct udevice *dev, int flags, uchar **packetp) 174 { 175 struct ravb_priv *eth = dev_get_priv(dev); 176 struct ravb_rxdesc *desc = ð->rx_desc[eth->rx_desc_idx]; 177 int len; 178 u8 *packet; 179 180 /* Check if the rx descriptor is ready */ 181 ravb_invalidate_dcache((uintptr_t)desc, sizeof(*desc)); 182 if ((desc->data.ctrl & RAVB_DESC_DT_MASK) == RAVB_DESC_DT_FEMPTY) 183 return -EAGAIN; 184 185 /* Check for errors */ 186 if (desc->data.ctrl & RAVB_RX_DESC_MSC_RX_ERR_MASK) { 187 desc->data.ctrl &= ~RAVB_RX_DESC_MSC_MASK; 188 return -EAGAIN; 189 } 190 191 len = desc->data.ctrl & RAVB_DESC_DS_MASK; 192 packet = (u8 *)(uintptr_t)desc->data.dptr; 193 ravb_invalidate_dcache((uintptr_t)packet, len); 194 195 *packetp = packet; 196 return len; 197 } 198 199 static int ravb_free_pkt(struct udevice *dev, uchar *packet, int length) 200 { 201 struct ravb_priv *eth = dev_get_priv(dev); 202 struct ravb_rxdesc *desc = ð->rx_desc[eth->rx_desc_idx]; 203 204 /* Make current descriptor available again */ 205 desc->data.ctrl = RAVB_DESC_DT_FEMPTY | RAVB_DESC_DS(PKTSIZE_ALIGN); 206 ravb_flush_dcache((uintptr_t)desc, sizeof(*desc)); 207 208 /* Point to the next descriptor */ 209 eth->rx_desc_idx = (eth->rx_desc_idx + 1) % RAVB_NUM_RX_DESC; 210 desc = ð->rx_desc[eth->rx_desc_idx]; 211 ravb_invalidate_dcache((uintptr_t)desc, sizeof(*desc)); 212 213 return 0; 214 } 215 216 static int ravb_reset(struct udevice *dev) 217 { 218 struct ravb_priv *eth = dev_get_priv(dev); 219 220 /* Set config mode */ 221 writel(CCC_OPC_CONFIG, eth->iobase + RAVB_REG_CCC); 222 223 /* Check the operating mode is changed to the config mode. */ 224 return wait_for_bit_le32(eth->iobase + RAVB_REG_CSR, 225 CSR_OPS_CONFIG, true, 100, true); 226 } 227 228 static void ravb_base_desc_init(struct ravb_priv *eth) 229 { 230 const u32 desc_size = RAVB_NUM_BASE_DESC * sizeof(struct ravb_desc); 231 int i; 232 233 /* Initialize all descriptors */ 234 memset(eth->base_desc, 0x0, desc_size); 235 236 for (i = 0; i < RAVB_NUM_BASE_DESC; i++) 237 eth->base_desc[i].ctrl = RAVB_DESC_DT_EOS; 238 239 ravb_flush_dcache((uintptr_t)eth->base_desc, desc_size); 240 241 /* Register the descriptor base address table */ 242 writel((uintptr_t)eth->base_desc, eth->iobase + RAVB_REG_DBAT); 243 } 244 245 static void ravb_tx_desc_init(struct ravb_priv *eth) 246 { 247 const u32 desc_size = RAVB_NUM_TX_DESC * sizeof(struct ravb_desc); 248 int i; 249 250 /* Initialize all descriptors */ 251 memset(eth->tx_desc, 0x0, desc_size); 252 eth->tx_desc_idx = 0; 253 254 for (i = 0; i < RAVB_NUM_TX_DESC; i++) 255 eth->tx_desc[i].ctrl = RAVB_DESC_DT_EEMPTY; 256 257 /* Mark the end of the descriptors */ 258 eth->tx_desc[RAVB_NUM_TX_DESC - 1].ctrl = RAVB_DESC_DT_LINKFIX; 259 eth->tx_desc[RAVB_NUM_TX_DESC - 1].dptr = (uintptr_t)eth->tx_desc; 260 ravb_flush_dcache((uintptr_t)eth->tx_desc, desc_size); 261 262 /* Point the controller to the TX descriptor list. */ 263 eth->base_desc[RAVB_TX_QUEUE_OFFSET].ctrl = RAVB_DESC_DT_LINKFIX; 264 eth->base_desc[RAVB_TX_QUEUE_OFFSET].dptr = (uintptr_t)eth->tx_desc; 265 ravb_flush_dcache((uintptr_t)ð->base_desc[RAVB_TX_QUEUE_OFFSET], 266 sizeof(struct ravb_desc)); 267 } 268 269 static void ravb_rx_desc_init(struct ravb_priv *eth) 270 { 271 const u32 desc_size = RAVB_NUM_RX_DESC * sizeof(struct ravb_rxdesc); 272 int i; 273 274 /* Initialize all descriptors */ 275 memset(eth->rx_desc, 0x0, desc_size); 276 eth->rx_desc_idx = 0; 277 278 for (i = 0; i < RAVB_NUM_RX_DESC; i++) { 279 eth->rx_desc[i].data.ctrl = RAVB_DESC_DT_EEMPTY | 280 RAVB_DESC_DS(PKTSIZE_ALIGN); 281 eth->rx_desc[i].data.dptr = (uintptr_t)eth->rx_desc[i].packet; 282 283 eth->rx_desc[i].link.ctrl = RAVB_DESC_DT_LINKFIX; 284 eth->rx_desc[i].link.dptr = (uintptr_t)ð->rx_desc[i + 1]; 285 } 286 287 /* Mark the end of the descriptors */ 288 eth->rx_desc[RAVB_NUM_RX_DESC - 1].link.ctrl = RAVB_DESC_DT_LINKFIX; 289 eth->rx_desc[RAVB_NUM_RX_DESC - 1].link.dptr = (uintptr_t)eth->rx_desc; 290 ravb_flush_dcache((uintptr_t)eth->rx_desc, desc_size); 291 292 /* Point the controller to the rx descriptor list */ 293 eth->base_desc[RAVB_RX_QUEUE_OFFSET].ctrl = RAVB_DESC_DT_LINKFIX; 294 eth->base_desc[RAVB_RX_QUEUE_OFFSET].dptr = (uintptr_t)eth->rx_desc; 295 ravb_flush_dcache((uintptr_t)ð->base_desc[RAVB_RX_QUEUE_OFFSET], 296 sizeof(struct ravb_desc)); 297 } 298 299 static int ravb_phy_config(struct udevice *dev) 300 { 301 struct ravb_priv *eth = dev_get_priv(dev); 302 struct eth_pdata *pdata = dev_get_platdata(dev); 303 struct phy_device *phydev; 304 int mask = 0xffffffff, reg; 305 306 if (dm_gpio_is_valid(ð->reset_gpio)) { 307 dm_gpio_set_value(ð->reset_gpio, 1); 308 mdelay(20); 309 dm_gpio_set_value(ð->reset_gpio, 0); 310 mdelay(1); 311 } 312 313 phydev = phy_find_by_mask(eth->bus, mask, pdata->phy_interface); 314 if (!phydev) 315 return -ENODEV; 316 317 phy_connect_dev(phydev, dev); 318 319 eth->phydev = phydev; 320 321 /* 10BASE is not supported for Ethernet AVB MAC */ 322 phydev->supported &= ~(SUPPORTED_10baseT_Full 323 | SUPPORTED_10baseT_Half); 324 if (pdata->max_speed != 1000) { 325 phydev->supported &= ~(SUPPORTED_1000baseT_Half 326 | SUPPORTED_1000baseT_Full); 327 reg = phy_read(phydev, -1, MII_CTRL1000); 328 reg &= ~(BIT(9) | BIT(8)); 329 phy_write(phydev, -1, MII_CTRL1000, reg); 330 } 331 332 phy_config(phydev); 333 334 return 0; 335 } 336 337 /* Set Mac address */ 338 static int ravb_write_hwaddr(struct udevice *dev) 339 { 340 struct ravb_priv *eth = dev_get_priv(dev); 341 struct eth_pdata *pdata = dev_get_platdata(dev); 342 unsigned char *mac = pdata->enetaddr; 343 344 writel((mac[0] << 24) | (mac[1] << 16) | (mac[2] << 8) | mac[3], 345 eth->iobase + RAVB_REG_MAHR); 346 347 writel((mac[4] << 8) | mac[5], eth->iobase + RAVB_REG_MALR); 348 349 return 0; 350 } 351 352 /* E-MAC init function */ 353 static int ravb_mac_init(struct ravb_priv *eth) 354 { 355 /* Disable MAC Interrupt */ 356 writel(0, eth->iobase + RAVB_REG_ECSIPR); 357 358 /* Recv frame limit set register */ 359 writel(RFLR_RFL_MIN, eth->iobase + RAVB_REG_RFLR); 360 361 return 0; 362 } 363 364 /* AVB-DMAC init function */ 365 static int ravb_dmac_init(struct udevice *dev) 366 { 367 struct ravb_priv *eth = dev_get_priv(dev); 368 struct eth_pdata *pdata = dev_get_platdata(dev); 369 int ret = 0; 370 371 /* Set CONFIG mode */ 372 ret = ravb_reset(dev); 373 if (ret) 374 return ret; 375 376 /* Disable all interrupts */ 377 writel(0, eth->iobase + RAVB_REG_RIC0); 378 writel(0, eth->iobase + RAVB_REG_RIC1); 379 writel(0, eth->iobase + RAVB_REG_RIC2); 380 writel(0, eth->iobase + RAVB_REG_TIC); 381 382 /* Set little endian */ 383 clrbits_le32(eth->iobase + RAVB_REG_CCC, CCC_BOC); 384 385 /* AVB rx set */ 386 writel(0x18000001, eth->iobase + RAVB_REG_RCR); 387 388 /* FIFO size set */ 389 writel(0x00222210, eth->iobase + RAVB_REG_TGC); 390 391 /* Delay CLK: 2ns */ 392 if (pdata->max_speed == 1000) 393 writel(BIT(14), eth->iobase + RAVB_REG_APSR); 394 395 return 0; 396 } 397 398 static int ravb_config(struct udevice *dev) 399 { 400 struct ravb_priv *eth = dev_get_priv(dev); 401 struct phy_device *phy = eth->phydev; 402 u32 mask = ECMR_CHG_DM | ECMR_RE | ECMR_TE; 403 int ret; 404 405 /* Configure AVB-DMAC register */ 406 ravb_dmac_init(dev); 407 408 /* Configure E-MAC registers */ 409 ravb_mac_init(eth); 410 ravb_write_hwaddr(dev); 411 412 ret = phy_startup(phy); 413 if (ret) 414 return ret; 415 416 /* Set the transfer speed */ 417 if (phy->speed == 100) 418 writel(0, eth->iobase + RAVB_REG_GECMR); 419 else if (phy->speed == 1000) 420 writel(1, eth->iobase + RAVB_REG_GECMR); 421 422 /* Check if full duplex mode is supported by the phy */ 423 if (phy->duplex) 424 mask |= ECMR_DM; 425 426 writel(mask, eth->iobase + RAVB_REG_ECMR); 427 428 phy->drv->writeext(phy, -1, 0x02, 0x08, (0x0f << 5) | 0x19); 429 430 return 0; 431 } 432 433 static int ravb_start(struct udevice *dev) 434 { 435 struct ravb_priv *eth = dev_get_priv(dev); 436 int ret; 437 438 ret = ravb_reset(dev); 439 if (ret) 440 goto err; 441 442 ravb_base_desc_init(eth); 443 ravb_tx_desc_init(eth); 444 ravb_rx_desc_init(eth); 445 446 ret = ravb_config(dev); 447 if (ret) 448 goto err; 449 450 /* Setting the control will start the AVB-DMAC process. */ 451 writel(CCC_OPC_OPERATION, eth->iobase + RAVB_REG_CCC); 452 453 return 0; 454 455 err: 456 clk_disable(ð->clk); 457 return ret; 458 } 459 460 static void ravb_stop(struct udevice *dev) 461 { 462 struct ravb_priv *eth = dev_get_priv(dev); 463 464 phy_shutdown(eth->phydev); 465 ravb_reset(dev); 466 } 467 468 static int ravb_probe(struct udevice *dev) 469 { 470 struct eth_pdata *pdata = dev_get_platdata(dev); 471 struct ravb_priv *eth = dev_get_priv(dev); 472 struct mii_dev *mdiodev; 473 void __iomem *iobase; 474 int ret; 475 476 iobase = map_physmem(pdata->iobase, 0x1000, MAP_NOCACHE); 477 eth->iobase = iobase; 478 479 ret = clk_get_by_index(dev, 0, ð->clk); 480 if (ret < 0) 481 goto err_mdio_alloc; 482 483 gpio_request_by_name(dev, "reset-gpios", 0, ð->reset_gpio, 484 GPIOD_IS_OUT); 485 486 mdiodev = mdio_alloc(); 487 if (!mdiodev) { 488 ret = -ENOMEM; 489 goto err_mdio_alloc; 490 } 491 492 mdiodev->read = bb_miiphy_read; 493 mdiodev->write = bb_miiphy_write; 494 bb_miiphy_buses[0].priv = eth; 495 snprintf(mdiodev->name, sizeof(mdiodev->name), dev->name); 496 497 ret = mdio_register(mdiodev); 498 if (ret < 0) 499 goto err_mdio_register; 500 501 eth->bus = miiphy_get_dev_by_name(dev->name); 502 503 /* Bring up PHY */ 504 ret = clk_enable(ð->clk); 505 if (ret) 506 goto err_mdio_register; 507 508 ret = ravb_reset(dev); 509 if (ret) 510 goto err_mdio_reset; 511 512 ret = ravb_phy_config(dev); 513 if (ret) 514 goto err_mdio_reset; 515 516 return 0; 517 518 err_mdio_reset: 519 clk_disable(ð->clk); 520 err_mdio_register: 521 mdio_free(mdiodev); 522 err_mdio_alloc: 523 unmap_physmem(eth->iobase, MAP_NOCACHE); 524 return ret; 525 } 526 527 static int ravb_remove(struct udevice *dev) 528 { 529 struct ravb_priv *eth = dev_get_priv(dev); 530 531 clk_disable(ð->clk); 532 533 free(eth->phydev); 534 mdio_unregister(eth->bus); 535 mdio_free(eth->bus); 536 if (dm_gpio_is_valid(ð->reset_gpio)) 537 dm_gpio_free(dev, ð->reset_gpio); 538 unmap_physmem(eth->iobase, MAP_NOCACHE); 539 540 return 0; 541 } 542 543 int ravb_bb_init(struct bb_miiphy_bus *bus) 544 { 545 return 0; 546 } 547 548 int ravb_bb_mdio_active(struct bb_miiphy_bus *bus) 549 { 550 struct ravb_priv *eth = bus->priv; 551 552 setbits_le32(eth->iobase + RAVB_REG_PIR, PIR_MMD); 553 554 return 0; 555 } 556 557 int ravb_bb_mdio_tristate(struct bb_miiphy_bus *bus) 558 { 559 struct ravb_priv *eth = bus->priv; 560 561 clrbits_le32(eth->iobase + RAVB_REG_PIR, PIR_MMD); 562 563 return 0; 564 } 565 566 int ravb_bb_set_mdio(struct bb_miiphy_bus *bus, int v) 567 { 568 struct ravb_priv *eth = bus->priv; 569 570 if (v) 571 setbits_le32(eth->iobase + RAVB_REG_PIR, PIR_MDO); 572 else 573 clrbits_le32(eth->iobase + RAVB_REG_PIR, PIR_MDO); 574 575 return 0; 576 } 577 578 int ravb_bb_get_mdio(struct bb_miiphy_bus *bus, int *v) 579 { 580 struct ravb_priv *eth = bus->priv; 581 582 *v = (readl(eth->iobase + RAVB_REG_PIR) & PIR_MDI) >> 3; 583 584 return 0; 585 } 586 587 int ravb_bb_set_mdc(struct bb_miiphy_bus *bus, int v) 588 { 589 struct ravb_priv *eth = bus->priv; 590 591 if (v) 592 setbits_le32(eth->iobase + RAVB_REG_PIR, PIR_MDC); 593 else 594 clrbits_le32(eth->iobase + RAVB_REG_PIR, PIR_MDC); 595 596 return 0; 597 } 598 599 int ravb_bb_delay(struct bb_miiphy_bus *bus) 600 { 601 udelay(10); 602 603 return 0; 604 } 605 606 struct bb_miiphy_bus bb_miiphy_buses[] = { 607 { 608 .name = "ravb", 609 .init = ravb_bb_init, 610 .mdio_active = ravb_bb_mdio_active, 611 .mdio_tristate = ravb_bb_mdio_tristate, 612 .set_mdio = ravb_bb_set_mdio, 613 .get_mdio = ravb_bb_get_mdio, 614 .set_mdc = ravb_bb_set_mdc, 615 .delay = ravb_bb_delay, 616 }, 617 }; 618 int bb_miiphy_buses_num = ARRAY_SIZE(bb_miiphy_buses); 619 620 static const struct eth_ops ravb_ops = { 621 .start = ravb_start, 622 .send = ravb_send, 623 .recv = ravb_recv, 624 .free_pkt = ravb_free_pkt, 625 .stop = ravb_stop, 626 .write_hwaddr = ravb_write_hwaddr, 627 }; 628 629 int ravb_ofdata_to_platdata(struct udevice *dev) 630 { 631 struct eth_pdata *pdata = dev_get_platdata(dev); 632 const char *phy_mode; 633 const fdt32_t *cell; 634 int ret = 0; 635 636 pdata->iobase = devfdt_get_addr(dev); 637 pdata->phy_interface = -1; 638 phy_mode = fdt_getprop(gd->fdt_blob, dev_of_offset(dev), "phy-mode", 639 NULL); 640 if (phy_mode) 641 pdata->phy_interface = phy_get_interface_by_name(phy_mode); 642 if (pdata->phy_interface == -1) { 643 debug("%s: Invalid PHY interface '%s'\n", __func__, phy_mode); 644 return -EINVAL; 645 } 646 647 pdata->max_speed = 1000; 648 cell = fdt_getprop(gd->fdt_blob, dev_of_offset(dev), "max-speed", NULL); 649 if (cell) 650 pdata->max_speed = fdt32_to_cpu(*cell); 651 652 sprintf(bb_miiphy_buses[0].name, dev->name); 653 654 return ret; 655 } 656 657 static const struct udevice_id ravb_ids[] = { 658 { .compatible = "renesas,etheravb-r8a7795" }, 659 { .compatible = "renesas,etheravb-r8a7796" }, 660 { .compatible = "renesas,etheravb-r8a77965" }, 661 { .compatible = "renesas,etheravb-r8a77970" }, 662 { .compatible = "renesas,etheravb-r8a77995" }, 663 { .compatible = "renesas,etheravb-rcar-gen3" }, 664 { } 665 }; 666 667 U_BOOT_DRIVER(eth_ravb) = { 668 .name = "ravb", 669 .id = UCLASS_ETH, 670 .of_match = ravb_ids, 671 .ofdata_to_platdata = ravb_ofdata_to_platdata, 672 .probe = ravb_probe, 673 .remove = ravb_remove, 674 .ops = &ravb_ops, 675 .priv_auto_alloc_size = sizeof(struct ravb_priv), 676 .platdata_auto_alloc_size = sizeof(struct eth_pdata), 677 .flags = DM_FLAG_ALLOC_PRIV_DMA, 678 }; 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