target/linux/lantiq/patches-3.8/0037-owrt-lantiq-wifi-and-ethernet-eeprom-handling.patch

   1 From 0c9b05716ac0e597ae0f81a96ff68e54716decc9 Mon Sep 17 00:00:00 2001
   2 From: John Crispin <blogic@openwrt.org>
   3 Date: Wed, 13 Mar 2013 10:02:58 +0100
   4 Subject: [PATCH 37/40] owrt: lantiq: wifi and ethernet eeprom handling
   5
   6 ---
   7  arch/mips/include/asm/mach-lantiq/pci-ath-fixup.h  |    6 +
   8  .../mips/include/asm/mach-lantiq/xway/lantiq_soc.h |    3 +
   9  arch/mips/lantiq/xway/Makefile                     |    3 +
  10  arch/mips/lantiq/xway/ath_eep.c                    |  206 ++++++++++++++++++++
  11  arch/mips/lantiq/xway/eth_mac.c                    |   76 ++++++++
  12  arch/mips/lantiq/xway/pci-ath-fixup.c              |  109 +++++++++++
  13  arch/mips/lantiq/xway/rt_eep.c                     |   60 ++++++
  14  drivers/net/ethernet/lantiq_etop.c                 |   10 +-
  15  8 files changed, 469 insertions(+), 4 deletions(-)
  16  create mode 100644 arch/mips/include/asm/mach-lantiq/pci-ath-fixup.h
  17  create mode 100644 arch/mips/lantiq/xway/ath_eep.c
  18  create mode 100644 arch/mips/lantiq/xway/eth_mac.c
  19  create mode 100644 arch/mips/lantiq/xway/pci-ath-fixup.c
  20  create mode 100644 arch/mips/lantiq/xway/rt_eep.c
  21
  22 --- /dev/null
  23 +++ b/arch/mips/include/asm/mach-lantiq/pci-ath-fixup.h
  24 @@ -0,0 +1,6 @@
  25 +#ifndef _PCI_ATH_FIXUP
  26 +#define _PCI_ATH_FIXUP
  27 +
  28 +void ltq_pci_ath_fixup(unsigned slot, u16 *cal_data) __init;
  29 +
  30 +#endif /* _PCI_ATH_FIXUP */
  31 --- a/arch/mips/include/asm/mach-lantiq/xway/lantiq_soc.h
  32 +++ b/arch/mips/include/asm/mach-lantiq/xway/lantiq_soc.h
  33 @@ -90,5 +90,8 @@ int xrx200_gphy_boot(struct device *dev,
  34  extern void ltq_pmu_enable(unsigned int module);
  35  extern void ltq_pmu_disable(unsigned int module);
  36
  37 +/* allow the ethernet driver to load a flash mapped mac addr */
  38 +const u8* ltq_get_eth_mac(void);
  39 +
  40  #endif /* CONFIG_SOC_TYPE_XWAY */
  41  #endif /* _LTQ_XWAY_H__ */
  42 --- a/arch/mips/lantiq/xway/Makefile
  43 +++ b/arch/mips/lantiq/xway/Makefile
  44 @@ -1,3 +1,6 @@
  45  obj-y := prom.o sysctrl.o clk.o reset.o dma.o gptu.o dcdc.o
  46
  47 +obj-y += eth_mac.o
  48 +obj-$(CONFIG_PCI) += ath_eep.o rt_eep.o pci-ath-fixup.o
  49 +
  50  obj-$(CONFIG_XRX200_PHY_FW) += xrx200_phy_fw.o
  51 --- /dev/null
  52 +++ b/arch/mips/lantiq/xway/ath_eep.c
  53 @@ -0,0 +1,258 @@
  54 +/*
  55 + *  Copyright (C) 2011 Luca Olivetti <luca@ventoso.org>
  56 + *  Copyright (C) 2011 John Crispin <blogic@openwrt.org>
  57 + *  Copyright (C) 2011 Andrej Vlašić <andrej.vlasic0@gmail.com>
  58 + *  Copyright (C) 2013 Álvaro Fernández Rojas <noltari@gmail.com>
  59 + *
  60 + *  This program is free software; you can redistribute it and/or modify it
  61 + *  under the terms of the GNU General Public License version 2 as published
  62 + *  by the Free Software Foundation.
  63 + */
  64 +
  65 +#include <linux/init.h>
  66 +#include <linux/module.h>
  67 +#include <linux/platform_device.h>
  68 +#include <linux/etherdevice.h>
  69 +#include <linux/ath5k_platform.h>
  70 +#include <linux/ath9k_platform.h>
  71 +#include <linux/pci.h>
  72 +#include <linux/err.h>
  73 +#include <linux/mtd/mtd.h>
  74 +#include <pci-ath-fixup.h>
  75 +#include <lantiq_soc.h>
  76 +
  77 +extern int (*ltq_pci_plat_dev_init)(struct pci_dev *dev);
  78 +struct ath5k_platform_data ath5k_pdata;
  79 +struct ath9k_platform_data ath9k_pdata = {
  80 +       .led_pin = -1,
  81 +};
  82 +static u16 ath5k_eeprom_data[ATH5K_PLAT_EEP_MAX_WORDS];
  83 +static u8 athxk_eeprom_mac[6];
  84 +
  85 +static int ath9k_pci_plat_dev_init(struct pci_dev *dev)
  86 +{
  87 +       dev->dev.platform_data = &ath9k_pdata;
  88 +       return 0;
  89 +}
  90 +
  91 +int __init of_ath9k_eeprom_probe(struct platform_device *pdev)
  92 +{
  93 +       struct device_node *np = pdev->dev.of_node, *mtd_np;
  94 +       struct resource *eep_res, *mac_res = NULL;
  95 +       void __iomem *eep, *mac;
  96 +       int mac_offset;
  97 +       u32 mac_inc = 0, pci_slot = 0;
  98 +       int i;
  99 +       u16 *eepdata, sum, el;
 100 +       struct mtd_info *the_mtd;
 101 +       size_t flash_readlen;
 102 +       const __be32 *list;
 103 +       const char *part;
 104 +       phandle phandle;
 105 +
 106 +       if ((list = of_get_property(np, "ath,eep-flash", &i)) && i == 2 *
 107 +                       sizeof(*list) && (phandle = be32_to_cpup(list++)) &&
 108 +                       (mtd_np = of_find_node_by_phandle(phandle)) && ((part =
 109 +                       of_get_property(mtd_np, "label", NULL)) || (part =
 110 +                       mtd_np->name)) && (the_mtd = get_mtd_device_nm(part))
 111 +                       != ERR_PTR(-ENODEV)) {
 112 +               i = mtd_read(the_mtd, be32_to_cpup(list),
 113 +                               sizeof(ath9k_pdata.eeprom_data), &flash_readlen,
 114 +                               (void *) ath9k_pdata.eeprom_data);
 115 +               put_mtd_device(the_mtd);
 116 +               if ((sizeof(ath9k_pdata.eeprom_data) != flash_readlen) || i) {
 117 +                       dev_err(&pdev->dev, "failed to load eeprom from mtd\n");
 118 +                       return -ENODEV;
 119 +               }
 120 +       } else {
 121 +               eep_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 122 +               mac_res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
 123 +
 124 +               if (!eep_res) {
 125 +                       dev_err(&pdev->dev, "failed to load eeprom address\n");
 126 +                       return -ENODEV;
 127 +               }
 128 +               if (resource_size(eep_res) != ATH9K_PLAT_EEP_MAX_WORDS) {
 129 +                       dev_err(&pdev->dev, "eeprom has an invalid size\n");
 130 +                       return -EINVAL;
 131 +               }
 132 +
 133 +               eep = ioremap(eep_res->start, resource_size(eep_res));
 134 +               memcpy_fromio(ath9k_pdata.eeprom_data, eep,
 135 +                               ATH9K_PLAT_EEP_MAX_WORDS);
 136 +       }
 137 +
 138 +       if (of_find_property(np, "ath,eep-swap", NULL)) {
 139 +               ath9k_pdata.endian_check = true;
 140 +               dev_info(&pdev->dev, "endian check enabled.\n");
 141 +               for (i = 0; i < ATH9K_PLAT_EEP_MAX_WORDS; i++)
 142 +                       ath9k_pdata.eeprom_data[i] =
 143 +                                       swab16(ath9k_pdata.eeprom_data[i]);
 144 +       }
 145 +
 146 +       if (of_find_property(np, "ath,eep-csum", NULL)) {
 147 +               sum = ath9k_pdata.eeprom_data[0x200>>1];
 148 +               el = sum / sizeof(u16) - 2;  /* skip length and (old) checksum */
 149 +               eepdata = (u16 *) (&ath9k_pdata.eeprom_data[0x204>>1]); /* after checksum */
 150 +               for (i = 0; i < el; i++)
 151 +                       sum ^= *eepdata++;
 152 +               sum ^= 0xffff;
 153 +               ath9k_pdata.eeprom_data[0x202>>1] = sum;
 154 +
 155 +               dev_info(&pdev->dev, "checksum fixed.\n");
 156 +       }
 157 +
 158 +       if (!of_property_read_u32(np, "ath,mac-offset", &mac_offset)) {
 159 +               memcpy_fromio(athxk_eeprom_mac, (void*) ath9k_pdata.eeprom_data, 6);
 160 +       } else if (mac_res) {
 161 +               if (resource_size(mac_res) != 6) {
 162 +                       dev_err(&pdev->dev, "mac has an invalid size\n");
 163 +                       return -EINVAL;
 164 +               }
 165 +               mac = ioremap(mac_res->start, resource_size(mac_res));
 166 +               memcpy_fromio(athxk_eeprom_mac, mac, 6);
 167 +       } else if (ltq_get_eth_mac())
 168 +               memcpy(athxk_eeprom_mac, ltq_get_eth_mac(), 6);
 169 +       else {
 170 +               dev_warn(&pdev->dev, "using random mac\n");
 171 +               random_ether_addr(athxk_eeprom_mac);
 172 +       }
 173 +
 174 +       if (!of_property_read_u32(np, "ath,mac-increment", &mac_inc))
 175 +               athxk_eeprom_mac[5] += mac_inc;
 176 +
 177 +       ath9k_pdata.macaddr = athxk_eeprom_mac;
 178 +       ltq_pci_plat_dev_init = ath9k_pci_plat_dev_init;
 179 +
 180 +       if (!of_property_read_u32(np, "ath,pci-slot", &pci_slot)) {
 181 +               ltq_pci_ath_fixup(pci_slot, ath9k_pdata.eeprom_data);
 182 +
 183 +               dev_info(&pdev->dev, "pci slot: %u\n", pci_slot);
 184 +       }
 185 +
 186 +       dev_info(&pdev->dev, "loaded ath9k eeprom\n");
 187 +
 188 +       return 0;
 189 +}
 190 +
 191 +static struct of_device_id ath9k_eeprom_ids[] = {
 192 +       { .compatible = "ath9k,eeprom" },
 193 +       { }
 194 +};
 195 +
 196 +static struct platform_driver ath9k_eeprom_driver = {
 197 +       .driver         = {
 198 +               .name           = "ath9k,eeprom",
 199 +               .owner  = THIS_MODULE,
 200 +               .of_match_table = of_match_ptr(ath9k_eeprom_ids),
 201 +       },
 202 +};
 203 +
 204 +static int __init of_ath9k_eeprom_init(void)
 205 +{
 206 +       return platform_driver_probe(&ath9k_eeprom_driver, of_ath9k_eeprom_probe);
 207 +}
 208 +late_initcall(of_ath9k_eeprom_init);
 209 +
 210 +
 211 +static int ath5k_pci_plat_dev_init(struct pci_dev *dev)
 212 +{
 213 +       dev->dev.platform_data = &ath5k_pdata;
 214 +       return 0;
 215 +}
 216 +
 217 +int __init of_ath5k_eeprom_probe(struct platform_device *pdev)
 218 +{
 219 +       struct device_node *np = pdev->dev.of_node, *mtd_np;
 220 +       struct resource *eep_res, *mac_res = NULL;
 221 +       void __iomem *eep, *mac;
 222 +       int mac_offset;
 223 +       u32 mac_inc = 0;
 224 +       int i;
 225 +       struct mtd_info *the_mtd;
 226 +       size_t flash_readlen;
 227 +       const __be32 *list;
 228 +       const char *part;
 229 +       phandle phandle;
 230 +
 231 +       if ((list = of_get_property(np, "ath,eep-flash", &i)) && i == 2 *
 232 +                       sizeof(*list) && (phandle = be32_to_cpup(list++)) &&
 233 +                       (mtd_np = of_find_node_by_phandle(phandle)) && ((part =
 234 +                       of_get_property(mtd_np, "label", NULL)) || (part =
 235 +                       mtd_np->name)) && (the_mtd = get_mtd_device_nm(part))
 236 +                       != ERR_PTR(-ENODEV)) {
 237 +               i = mtd_read(the_mtd, be32_to_cpup(list),
 238 +                               sizeof(ath5k_eeprom_data), &flash_readlen,
 239 +                               (void *) ath5k_eeprom_data);
 240 +               put_mtd_device(the_mtd);
 241 +               if ((sizeof(ath5k_eeprom_data) != flash_readlen) || i) {
 242 +                       dev_err(&pdev->dev, "failed to load eeprom from mtd\n");
 243 +                       return -ENODEV;
 244 +               }
 245 +       } else {
 246 +               eep_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 247 +               mac_res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
 248 +
 249 +               if (!eep_res) {
 250 +                       dev_err(&pdev->dev, "failed to load eeprom address\n");
 251 +                       return -ENODEV;
 252 +               }
 253 +               if (resource_size(eep_res) != ATH5K_PLAT_EEP_MAX_WORDS) {
 254 +                       dev_err(&pdev->dev, "eeprom has an invalid size\n");
 255 +                       return -EINVAL;
 256 +               }
 257 +
 258 +               eep = ioremap(eep_res->start, resource_size(eep_res));
 259 +               memcpy_fromio(ath5k_eeprom_data, eep, ATH5K_PLAT_EEP_MAX_WORDS);
 260 +       }
 261 +
 262 +       if (of_find_property(np, "ath,eep-swap", NULL))
 263 +               for (i = 0; i < ATH5K_PLAT_EEP_MAX_WORDS; i++)
 264 +                       ath5k_eeprom_data[i] = swab16(ath5k_eeprom_data[i]);
 265 +
 266 +       if (!of_property_read_u32(np, "ath,mac-offset", &mac_offset)) {
 267 +               memcpy_fromio(athxk_eeprom_mac, (void*) ath5k_eeprom_data, 6);
 268 +       } else if (mac_res) {
 269 +               if (resource_size(mac_res) != 6) {
 270 +                       dev_err(&pdev->dev, "mac has an invalid size\n");
 271 +                       return -EINVAL;
 272 +               }
 273 +               mac = ioremap(mac_res->start, resource_size(mac_res));
 274 +               memcpy_fromio(athxk_eeprom_mac, mac, 6);
 275 +       } else if (ltq_get_eth_mac())
 276 +               memcpy(athxk_eeprom_mac, ltq_get_eth_mac(), 6);
 277 +       else {
 278 +               dev_warn(&pdev->dev, "using random mac\n");
 279 +               random_ether_addr(athxk_eeprom_mac);
 280 +       }
 281 +
 282 +       if (!of_property_read_u32(np, "ath,mac-increment", &mac_inc))
 283 +               athxk_eeprom_mac[5] += mac_inc;
 284 +
 285 +       ath5k_pdata.eeprom_data = ath5k_eeprom_data;
 286 +       ath5k_pdata.macaddr = athxk_eeprom_mac;
 287 +       ltq_pci_plat_dev_init = ath5k_pci_plat_dev_init;
 288 +
 289 +       dev_info(&pdev->dev, "loaded ath5k eeprom\n");
 290 +
 291 +       return 0;
 292 +}
 293 +
 294 +static struct of_device_id ath5k_eeprom_ids[] = {
 295 +       { .compatible = "ath5k,eeprom" },
 296 +       { }
 297 +};
 298 +
 299 +static struct platform_driver ath5k_eeprom_driver = {
 300 +       .driver         = {
 301 +               .name           = "ath5k,eeprom",
 302 +               .owner  = THIS_MODULE,
 303 +               .of_match_table = of_match_ptr(ath5k_eeprom_ids),
 304 +       },
 305 +};
 306 +
 307 +static int __init of_ath5k_eeprom_init(void)
 308 +{
 309 +       return platform_driver_probe(&ath5k_eeprom_driver, of_ath5k_eeprom_probe);
 310 +}
 311 +late_initcall(of_ath5k_eeprom_init);
 312 --- /dev/null
 313 +++ b/arch/mips/lantiq/xway/eth_mac.c
 314 @@ -0,0 +1,76 @@
 315 +/*
 316 + *  Copyright (C) 2012 John Crispin <blogic@openwrt.org>
 317 + *
 318 + *  This program is free software; you can redistribute it and/or modify it
 319 + *  under the terms of the GNU General Public License version 2 as published
 320 + *  by the Free Software Foundation.
 321 + */
 322 +
 323 +#include <linux/init.h>
 324 +#include <linux/module.h>
 325 +#include <linux/of_platform.h>
 326 +#include <linux/if_ether.h>
 327 +
 328 +static u8 eth_mac[6];
 329 +static int eth_mac_set;
 330 +
 331 +const u8* ltq_get_eth_mac(void)
 332 +{
 333 +       return eth_mac;
 334 +}
 335 +
 336 +static int __init setup_ethaddr(char *str)
 337 +{
 338 +       eth_mac_set = mac_pton(str, eth_mac);
 339 +       return !eth_mac_set;
 340 +}
 341 +__setup("ethaddr=", setup_ethaddr);
 342 +
 343 +int __init of_eth_mac_probe(struct platform_device *pdev)
 344 +{
 345 +       struct device_node *np = pdev->dev.of_node;
 346 +       struct resource *mac_res;
 347 +       void __iomem *mac;
 348 +       u32 mac_inc = 0;
 349 +
 350 +       if (eth_mac_set) {
 351 +               dev_err(&pdev->dev, "mac was already set by bootloader\n");
 352 +               return -EINVAL;
 353 +       }
 354 +       mac_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 355 +
 356 +       if (!mac_res) {
 357 +               dev_err(&pdev->dev, "failed to load mac\n");
 358 +               return -EINVAL;
 359 +       }
 360 +       if (resource_size(mac_res) != 6) {
 361 +               dev_err(&pdev->dev, "mac has an invalid size\n");
 362 +               return -EINVAL;
 363 +       }
 364 +       mac = ioremap(mac_res->start, resource_size(mac_res));
 365 +       memcpy_fromio(eth_mac, mac, 6);
 366 +
 367 +       if (!of_property_read_u32(np, "mac-increment", &mac_inc))
 368 +               eth_mac[5] += mac_inc;
 369 +
 370 +       return 0;
 371 +}
 372 +
 373 +static struct of_device_id eth_mac_ids[] = {
 374 +       { .compatible = "lantiq,eth-mac" },
 375 +       { /* sentinel */ }
 376 +};
 377 +
 378 +static struct platform_driver eth_mac_driver = {
 379 +       .driver         = {
 380 +               .name           = "lantiq,eth-mac",
 381 +               .owner  = THIS_MODULE,
 382 +               .of_match_table = of_match_ptr(eth_mac_ids),
 383 +       },
 384 +};
 385 +
 386 +static int __init of_eth_mac_init(void)
 387 +{
 388 +       return platform_driver_probe(&eth_mac_driver, of_eth_mac_probe);
 389 +}
 390 +device_initcall(of_eth_mac_init);
 391 --- /dev/null
 392 +++ b/arch/mips/lantiq/xway/pci-ath-fixup.c
 393 @@ -0,0 +1,109 @@
 394 +/*
 395 + *  Atheros AP94 reference board PCI initialization
 396 + *
 397 + *  Copyright (C) 2009-2010 Gabor Juhos <juhosg@openwrt.org>
 398 + *
 399 + *  This program is free software; you can redistribute it and/or modify it
 400 + *  under the terms of the GNU General Public License version 2 as published
 401 + *  by the Free Software Foundation.
 402 + */
 403 +
 404 +#include <linux/pci.h>
 405 +#include <linux/init.h>
 406 +#include <linux/delay.h>
 407 +#include <lantiq_soc.h>
 408 +
 409 +#define LTQ_PCI_MEM_BASE               0x18000000
 410 +
 411 +struct ath_fixup {
 412 +       u16             *cal_data;
 413 +       unsigned        slot;
 414 +};
 415 +
 416 +static int ath_num_fixups;
 417 +static struct ath_fixup ath_fixups[2];
 418 +
 419 +static void ath_pci_fixup(struct pci_dev *dev)
 420 +{
 421 +       void __iomem *mem;
 422 +       u16 *cal_data = NULL;
 423 +       u16 cmd;
 424 +       u32 bar0;
 425 +       u32 val;
 426 +       unsigned i;
 427 +
 428 +       for (i = 0; i < ath_num_fixups; i++) {
 429 +               if (ath_fixups[i].cal_data == NULL)
 430 +                       continue;
 431 +
 432 +               if (ath_fixups[i].slot != PCI_SLOT(dev->devfn))
 433 +                       continue;
 434 +
 435 +               cal_data = ath_fixups[i].cal_data;
 436 +               break;
 437 +       }
 438 +
 439 +       if (cal_data == NULL)
 440 +               return;
 441 +
 442 +       if (*cal_data != 0xa55a) {
 443 +               pr_err("pci %s: invalid calibration data\n", pci_name(dev));
 444 +               return;
 445 +       }
 446 +
 447 +       pr_info("pci %s: fixup device configuration\n", pci_name(dev));
 448 +
 449 +       mem = ioremap(LTQ_PCI_MEM_BASE, 0x10000);
 450 +       if (!mem) {
 451 +               pr_err("pci %s: ioremap error\n", pci_name(dev));
 452 +               return;
 453 +       }
 454 +
 455 +       pci_read_config_dword(dev, PCI_BASE_ADDRESS_0, &bar0);
 456 +       pci_write_config_dword(dev, PCI_BASE_ADDRESS_0, LTQ_PCI_MEM_BASE);
 457 +       pci_read_config_word(dev, PCI_COMMAND, &cmd);
 458 +       cmd |= PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
 459 +       pci_write_config_word(dev, PCI_COMMAND, cmd);
 460 +
 461 +       /* set pointer to first reg address */
 462 +       cal_data += 3;
 463 +       while (*cal_data != 0xffff) {
 464 +               u32 reg;
 465 +               reg = *cal_data++;
 466 +               val = *cal_data++;
 467 +               val |= (*cal_data++) << 16;
 468 +
 469 +               ltq_w32(swab32(val), mem + reg);
 470 +               udelay(100);
 471 +       }
 472 +
 473 +       pci_read_config_dword(dev, PCI_VENDOR_ID, &val);
 474 +       dev->vendor = val & 0xffff;
 475 +       dev->device = (val >> 16) & 0xffff;
 476 +
 477 +       pci_read_config_dword(dev, PCI_CLASS_REVISION, &val);
 478 +       dev->revision = val & 0xff;
 479 +       dev->class = val >> 8; /* upper 3 bytes */
 480 +
 481 +       pr_info("pci %s: fixup info: [%04x:%04x] revision %02x class %#08x\n",
 482 +               pci_name(dev), dev->vendor, dev->device, dev->revision, dev->class);
 483 +
 484 +       pci_read_config_word(dev, PCI_COMMAND, &cmd);
 485 +       cmd &= ~(PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY);
 486 +       pci_write_config_word(dev, PCI_COMMAND, cmd);
 487 +
 488 +       pci_write_config_dword(dev, PCI_BASE_ADDRESS_0, bar0);
 489 +
 490 +       iounmap(mem);
 491 +}
 492 +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_ATHEROS, PCI_ANY_ID, ath_pci_fixup);
 493 +
 494 +void __init ltq_pci_ath_fixup(unsigned slot, u16 *cal_data)
 495 +{
 496 +       if (ath_num_fixups >= ARRAY_SIZE(ath_fixups))
 497 +               return;
 498 +
 499 +       ath_fixups[ath_num_fixups].slot = slot;
 500 +       ath_fixups[ath_num_fixups].cal_data = cal_data;
 501 +       ath_num_fixups++;
 502 +}
 503 --- /dev/null
 504 +++ b/arch/mips/lantiq/xway/rt_eep.c
 505 @@ -0,0 +1,60 @@
 506 +/*
 507 + *  Copyright (C) 2011 John Crispin <blogic@openwrt.org>
 508 + *
 509 + *  This program is free software; you can redistribute it and/or modify it
 510 + *  under the terms of the GNU General Public License version 2 as published
 511 + *  by the Free Software Foundation.
 512 + */
 513 +
 514 +#include <linux/init.h>
 515 +#include <linux/module.h>
 516 +#include <linux/pci.h>
 517 +#include <linux/platform_device.h>
 518 +#include <linux/rt2x00_platform.h>
 519 +
 520 +extern int (*ltq_pci_plat_dev_init)(struct pci_dev *dev);
 521 +static struct rt2x00_platform_data rt2x00_pdata;
 522 +
 523 +static int rt2x00_pci_plat_dev_init(struct pci_dev *dev)
 524 +{
 525 +       dev->dev.platform_data = &rt2x00_pdata;
 526 +       return 0;
 527 +}
 528 +
 529 +int __init of_ralink_eeprom_probe(struct platform_device *pdev)
 530 +{
 531 +       struct device_node *np = pdev->dev.of_node;
 532 +       const char *eeprom;
 533 +
 534 +       if (of_property_read_string(np, "ralink,eeprom", &eeprom)) {
 535 +               dev_err(&pdev->dev, "failed to load eeprom filename\n");
 536 +               return 0;
 537 +       }
 538 +
 539 +       rt2x00_pdata.eeprom_file_name = kstrdup(eeprom, GFP_KERNEL);
 540 +//     rt2x00_pdata.mac_address = mac;
 541 +       ltq_pci_plat_dev_init = rt2x00_pci_plat_dev_init;
 542 +
 543 +       dev_info(&pdev->dev, "using %s as eeprom\n", eeprom);
 544 +
 545 +       return 0;
 546 +}
 547 +
 548 +static struct of_device_id ralink_eeprom_ids[] = {
 549 +       { .compatible = "ralink,eeprom" },
 550 +       { }
 551 +};
 552 +
 553 +static struct platform_driver ralink_eeprom_driver = {
 554 +       .driver         = {
 555 +               .name           = "ralink,eeprom",
 556 +               .owner  = THIS_MODULE,
 557 +               .of_match_table = of_match_ptr(ralink_eeprom_ids),
 558 +       },
 559 +};
 560 +
 561 +static int __init of_ralink_eeprom_init(void)
 562 +{
 563 +       return platform_driver_probe(&ralink_eeprom_driver, of_ralink_eeprom_probe);
 564 +}
 565 +device_initcall(of_ralink_eeprom_init);
 566 --- a/drivers/net/ethernet/lantiq_etop.c
 567 +++ b/drivers/net/ethernet/lantiq_etop.c
 568 @@ -826,7 +826,8 @@ ltq_etop_init(struct net_device *dev)
 569
 570         ltq_etop_change_mtu(dev, 1500);
 571
 572 -       memcpy(&mac.sa_data, priv->mac, ETH_ALEN);
 573 +       if (priv->mac)
 574 +               memcpy(&mac.sa_data, priv->mac, ETH_ALEN);
 575         if (!is_valid_ether_addr(mac.sa_data)) {
 576                 pr_warn("etop: invalid MAC, using random\n");
 577                 random_ether_addr(mac.sa_data);
 578 @@ -885,8 +886,7 @@ static const struct net_device_ops ltq_e
 579         .ndo_tx_timeout = ltq_etop_tx_timeout,
 580  };
 581
 582 -static int __devinit
 583 -ltq_etop_probe(struct platform_device *pdev)
 584 +static int ltq_etop_probe(struct platform_device *pdev)
 585  {
 586         struct net_device *dev;
 587         struct ltq_etop_priv *priv;
 588 @@ -950,7 +950,9 @@ ltq_etop_probe(struct platform_device *p
 589         priv->tx_irq = irqres[0].start;
 590         priv->rx_irq = irqres[1].start;
 591         priv->mii_mode = of_get_phy_mode(pdev->dev.of_node);
 592 -       priv->mac = of_get_mac_address(pdev->dev.of_node);
 593 +       priv->mac = ltq_get_eth_mac();
 594 +       if (!priv->mac)
 595 +               priv->mac = of_get_mac_address(pdev->dev.of_node);
 596
 597         priv->clk_ppe = clk_get(&pdev->dev, NULL);
 598         if (IS_ERR(priv->clk_ppe))
 599 --- a/arch/mips/pci/pci-lantiq.c
 600 +++ b/arch/mips/pci/pci-lantiq.c
 601 @@ -260,4 +260,4 @@ int __init pcibios_init(void)
 602         return ret;
 603  }
 604
 605 -arch_initcall(pcibios_init);
 606 +late_initcall(pcibios_init);