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 Index: linux-3.8.13/arch/mips/include/asm/mach-lantiq/pci-ath-fixup.h
  23 ===================================================================
  24 --- /dev/null   1970-01-01 00:00:00.000000000 +0000
  25 +++ linux-3.8.13/arch/mips/include/asm/mach-lantiq/pci-ath-fixup.h      2013-07-25 20:47:01.531327796 +0200
  26 @@ -0,0 +1,6 @@
  27 +#ifndef _PCI_ATH_FIXUP
  28 +#define _PCI_ATH_FIXUP
  29 +
  30 +void ltq_pci_ath_fixup(unsigned slot, u16 *cal_data) __init;
  31 +
  32 +#endif /* _PCI_ATH_FIXUP */
  33 Index: linux-3.8.13/arch/mips/include/asm/mach-lantiq/xway/lantiq_soc.h
  34 ===================================================================
  35 --- linux-3.8.13.orig/arch/mips/include/asm/mach-lantiq/xway/lantiq_soc.h       2013-07-25 20:46:52.599327583 +0200
  36 +++ linux-3.8.13/arch/mips/include/asm/mach-lantiq/xway/lantiq_soc.h    2013-07-25 20:47:01.531327796 +0200
  37 @@ -90,5 +90,8 @@
  38  extern void ltq_pmu_enable(unsigned int module);
  39  extern void ltq_pmu_disable(unsigned int module);
  40
  41 +/* allow the ethernet driver to load a flash mapped mac addr */
  42 +const u8* ltq_get_eth_mac(void);
  43 +
  44  #endif /* CONFIG_SOC_TYPE_XWAY */
  45  #endif /* _LTQ_XWAY_H__ */
  46 Index: linux-3.8.13/arch/mips/lantiq/xway/Makefile
  47 ===================================================================
  48 --- linux-3.8.13.orig/arch/mips/lantiq/xway/Makefile    2013-07-25 20:47:01.371327792 +0200
  49 +++ linux-3.8.13/arch/mips/lantiq/xway/Makefile 2013-07-25 21:31:31.287391412 +0200
  50 @@ -1,3 +1,6 @@
  51  obj-y := prom.o sysctrl.o clk.o reset.o dma.o gptu.o dcdc.o
  52
  53 +obj-y += eth_mac.o
  54 +obj-$(CONFIG_PCI) += ath_eep.o rt_eep.o pci-ath-fixup.o
  55 +
  56  obj-$(CONFIG_XRX200_PHY_FW) += xrx200_phy_fw.o
  57 Index: linux-3.8.13/arch/mips/lantiq/xway/ath_eep.c
  58 ===================================================================
  59 --- /dev/null   1970-01-01 00:00:00.000000000 +0000
  60 +++ linux-3.8.13/arch/mips/lantiq/xway/ath_eep.c        2013-07-25 20:47:01.535327796 +0200
  61 @@ -0,0 +1,248 @@
  62 +/*
  63 + *  Copyright (C) 2011 Luca Olivetti <luca@ventoso.org>
  64 + *  Copyright (C) 2011 John Crispin <blogic@openwrt.org>
  65 + *  Copyright (C) 2011 Andrej Vlašić <andrej.vlasic0@gmail.com>
  66 + *  Copyright (C) 2013 Álvaro Fernández Rojas <noltari@gmail.com>
  67 + *  Copyright (C) 2013 Daniel Gimpelevich <daniel@gimpelevich.san-francisco.ca.us>
  68 + *
  69 + *  This program is free software; you can redistribute it and/or modify it
  70 + *  under the terms of the GNU General Public License version 2 as published
  71 + *  by the Free Software Foundation.
  72 + */
  73 +
  74 +#include <linux/init.h>
  75 +#include <linux/module.h>
  76 +#include <linux/platform_device.h>
  77 +#include <linux/etherdevice.h>
  78 +#include <linux/ath5k_platform.h>
  79 +#include <linux/ath9k_platform.h>
  80 +#include <linux/pci.h>
  81 +#include <linux/err.h>
  82 +#include <linux/mtd/mtd.h>
  83 +#include <pci-ath-fixup.h>
  84 +#include <lantiq_soc.h>
  85 +
  86 +extern int (*ltq_pci_plat_dev_init)(struct pci_dev *dev);
  87 +struct ath5k_platform_data ath5k_pdata;
  88 +struct ath9k_platform_data ath9k_pdata = {
  89 +       .led_pin = -1,
  90 +};
  91 +static u8 athxk_eeprom_mac[6];
  92 +
  93 +static int ath9k_pci_plat_dev_init(struct pci_dev *dev)
  94 +{
  95 +       dev->dev.platform_data = &ath9k_pdata;
  96 +       return 0;
  97 +}
  98 +
  99 +int __init of_ath9k_eeprom_probe(struct platform_device *pdev)
 100 +{
 101 +       struct device_node *np = pdev->dev.of_node, *mtd_np;
 102 +       struct resource *eep_res, *mac_res = NULL;
 103 +       void __iomem *eep, *mac;
 104 +       int mac_offset;
 105 +       u32 mac_inc = 0, pci_slot = 0;
 106 +       int i;
 107 +       struct mtd_info *the_mtd;
 108 +       size_t flash_readlen;
 109 +       const __be32 *list;
 110 +       const char *part;
 111 +       phandle phandle;
 112 +
 113 +       if ((list = of_get_property(np, "ath,eep-flash", &i)) && i == 2 *
 114 +                       sizeof(*list) && (phandle = be32_to_cpup(list++)) &&
 115 +                       (mtd_np = of_find_node_by_phandle(phandle)) && ((part =
 116 +                       of_get_property(mtd_np, "label", NULL)) || (part =
 117 +                       mtd_np->name)) && (the_mtd = get_mtd_device_nm(part))
 118 +                       != ERR_PTR(-ENODEV)) {
 119 +               i = mtd_read(the_mtd, be32_to_cpup(list),
 120 +                               ATH9K_PLAT_EEP_MAX_WORDS << 1, &flash_readlen,
 121 +                               (void *) ath9k_pdata.eeprom_data);
 122 +               put_mtd_device(the_mtd);
 123 +               if ((sizeof(ath9k_pdata.eeprom_data) != flash_readlen) || i) {
 124 +                       dev_err(&pdev->dev, "failed to load eeprom from mtd\n");
 125 +                       return -ENODEV;
 126 +               }
 127 +       } else {
 128 +               eep_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 129 +               mac_res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
 130 +
 131 +               if (!eep_res) {
 132 +                       dev_err(&pdev->dev, "failed to load eeprom address\n");
 133 +                       return -ENODEV;
 134 +               }
 135 +               if (resource_size(eep_res) != ATH9K_PLAT_EEP_MAX_WORDS << 1) {
 136 +                       dev_err(&pdev->dev, "eeprom has an invalid size\n");
 137 +                       return -EINVAL;
 138 +               }
 139 +
 140 +               eep = ioremap(eep_res->start, resource_size(eep_res));
 141 +               memcpy_fromio(ath9k_pdata.eeprom_data, eep,
 142 +                               ATH9K_PLAT_EEP_MAX_WORDS << 1);
 143 +       }
 144 +
 145 +       if (of_find_property(np, "ath,eep-swap", NULL))
 146 +               for (i = 0; i < ATH9K_PLAT_EEP_MAX_WORDS; i++)
 147 +                       ath9k_pdata.eeprom_data[i] = swab16(ath9k_pdata.eeprom_data[i]);
 148 +
 149 +       if (of_find_property(np, "ath,eep-endian", NULL)) {
 150 +               ath9k_pdata.endian_check = true;
 151 +
 152 +               dev_info(&pdev->dev, "endian check enabled.\n");
 153 +       }
 154 +
 155 +       if (!of_property_read_u32(np, "ath,mac-offset", &mac_offset)) {
 156 +               memcpy_fromio(athxk_eeprom_mac, (void*) ath9k_pdata.eeprom_data + mac_offset, 6);
 157 +       } else if (mac_res) {
 158 +               if (resource_size(mac_res) != 6) {
 159 +                       dev_err(&pdev->dev, "mac has an invalid size\n");
 160 +                       return -EINVAL;
 161 +               }
 162 +               mac = ioremap(mac_res->start, resource_size(mac_res));
 163 +               memcpy_fromio(athxk_eeprom_mac, mac, 6);
 164 +       } else if (ltq_get_eth_mac())
 165 +               memcpy(athxk_eeprom_mac, ltq_get_eth_mac(), 6);
 166 +       else {
 167 +               dev_warn(&pdev->dev, "using random mac\n");
 168 +               random_ether_addr(athxk_eeprom_mac);
 169 +       }
 170 +
 171 +       if (!of_property_read_u32(np, "ath,mac-increment", &mac_inc))
 172 +               athxk_eeprom_mac[5] += mac_inc;
 173 +
 174 +       ath9k_pdata.macaddr = athxk_eeprom_mac;
 175 +       ltq_pci_plat_dev_init = ath9k_pci_plat_dev_init;
 176 +
 177 +       if (!of_property_read_u32(np, "ath,pci-slot", &pci_slot)) {
 178 +               ltq_pci_ath_fixup(pci_slot, ath9k_pdata.eeprom_data);
 179 +
 180 +               dev_info(&pdev->dev, "pci slot: %u\n", pci_slot);
 181 +       }
 182 +
 183 +       dev_info(&pdev->dev, "loaded ath9k eeprom\n");
 184 +
 185 +       return 0;
 186 +}
 187 +
 188 +static struct of_device_id ath9k_eeprom_ids[] = {
 189 +       { .compatible = "ath9k,eeprom" },
 190 +       { }
 191 +};
 192 +
 193 +static struct platform_driver ath9k_eeprom_driver = {
 194 +       .driver         = {
 195 +               .name           = "ath9k,eeprom",
 196 +               .owner  = THIS_MODULE,
 197 +               .of_match_table = of_match_ptr(ath9k_eeprom_ids),
 198 +       },
 199 +};
 200 +
 201 +static int __init of_ath9k_eeprom_init(void)
 202 +{
 203 +       return platform_driver_probe(&ath9k_eeprom_driver, of_ath9k_eeprom_probe);
 204 +}
 205 +late_initcall(of_ath9k_eeprom_init);
 206 +
 207 +
 208 +static int ath5k_pci_plat_dev_init(struct pci_dev *dev)
 209 +{
 210 +       dev->dev.platform_data = &ath5k_pdata;
 211 +       return 0;
 212 +}
 213 +
 214 +int __init of_ath5k_eeprom_probe(struct platform_device *pdev)
 215 +{
 216 +       struct device_node *np = pdev->dev.of_node, *mtd_np;
 217 +       struct resource *eep_res, *mac_res = NULL;
 218 +       void __iomem *eep, *mac;
 219 +       int mac_offset;
 220 +       u32 mac_inc = 0;
 221 +       int i;
 222 +       struct mtd_info *the_mtd;
 223 +       size_t flash_readlen;
 224 +       const __be32 *list;
 225 +       const char *part;
 226 +       phandle phandle;
 227 +
 228 +       if ((list = of_get_property(np, "ath,eep-flash", &i)) && i == 2 *
 229 +                       sizeof(*list) && (phandle = be32_to_cpup(list++)) &&
 230 +                       (mtd_np = of_find_node_by_phandle(phandle)) && ((part =
 231 +                       of_get_property(mtd_np, "label", NULL)) || (part =
 232 +                       mtd_np->name)) && (the_mtd = get_mtd_device_nm(part))
 233 +                       != ERR_PTR(-ENODEV)) {
 234 +               i = mtd_read(the_mtd, be32_to_cpup(list),
 235 +                               ATH5K_PLAT_EEP_MAX_WORDS << 1, &flash_readlen,
 236 +                               (void *) ath5k_pdata.eeprom_data);
 237 +               put_mtd_device(the_mtd);
 238 +               if ((sizeof(ATH5K_PLAT_EEP_MAX_WORDS << 1) != flash_readlen)
 239 +                               || i) {
 240 +                       dev_err(&pdev->dev, "failed to load eeprom from mtd\n");
 241 +                       return -ENODEV;
 242 +               }
 243 +       } else {
 244 +               eep_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 245 +               mac_res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
 246 +
 247 +               if (!eep_res) {
 248 +                       dev_err(&pdev->dev, "failed to load eeprom address\n");
 249 +                       return -ENODEV;
 250 +               }
 251 +               if (resource_size(eep_res) != ATH5K_PLAT_EEP_MAX_WORDS << 1) {
 252 +                       dev_err(&pdev->dev, "eeprom has an invalid size\n");
 253 +                       return -EINVAL;
 254 +               }
 255 +
 256 +               eep = ioremap(eep_res->start, resource_size(eep_res));
 257 +               memcpy_fromio(ath5k_pdata.eeprom_data, eep,
 258 +                               ATH5K_PLAT_EEP_MAX_WORDS << 1);
 259 +       }
 260 +
 261 +       if (of_find_property(np, "ath,eep-swap", NULL))
 262 +               for (i = 0; i < ATH5K_PLAT_EEP_MAX_WORDS; i++)
 263 +                       ath5k_pdata.eeprom_data[i] = swab16(ath5k_pdata.eeprom_data[i]);
 264 +
 265 +       if (!of_property_read_u32(np, "ath,mac-offset", &mac_offset)) {
 266 +               memcpy_fromio(athxk_eeprom_mac, (void*) ath5k_pdata.eeprom_data + mac_offset, 6);
 267 +       } else if (mac_res) {
 268 +               if (resource_size(mac_res) != 6) {
 269 +                       dev_err(&pdev->dev, "mac has an invalid size\n");
 270 +                       return -EINVAL;
 271 +               }
 272 +               mac = ioremap(mac_res->start, resource_size(mac_res));
 273 +               memcpy_fromio(athxk_eeprom_mac, mac, 6);
 274 +       } else if (ltq_get_eth_mac())
 275 +               memcpy(athxk_eeprom_mac, ltq_get_eth_mac(), 6);
 276 +       else {
 277 +               dev_warn(&pdev->dev, "using random mac\n");
 278 +               random_ether_addr(athxk_eeprom_mac);
 279 +       }
 280 +
 281 +       if (!of_property_read_u32(np, "ath,mac-increment", &mac_inc))
 282 +               athxk_eeprom_mac[5] += mac_inc;
 283 +
 284 +       ath5k_pdata.macaddr = athxk_eeprom_mac;
 285 +       ltq_pci_plat_dev_init = ath5k_pci_plat_dev_init;
 286 +
 287 +       dev_info(&pdev->dev, "loaded ath5k eeprom\n");
 288 +
 289 +       return 0;
 290 +}
 291 +
 292 +static struct of_device_id ath5k_eeprom_ids[] = {
 293 +       { .compatible = "ath5k,eeprom" },
 294 +       { }
 295 +};
 296 +
 297 +static struct platform_driver ath5k_eeprom_driver = {
 298 +       .driver         = {
 299 +               .name           = "ath5k,eeprom",
 300 +               .owner  = THIS_MODULE,
 301 +               .of_match_table = of_match_ptr(ath5k_eeprom_ids),
 302 +       },
 303 +};
 304 +
 305 +static int __init of_ath5k_eeprom_init(void)
 306 +{
 307 +       return platform_driver_probe(&ath5k_eeprom_driver, of_ath5k_eeprom_probe);
 308 +}
 309 +device_initcall(of_ath5k_eeprom_init);
 310 Index: linux-3.8.13/arch/mips/lantiq/xway/eth_mac.c
 311 ===================================================================
 312 --- /dev/null   1970-01-01 00:00:00.000000000 +0000
 313 +++ linux-3.8.13/arch/mips/lantiq/xway/eth_mac.c        2013-07-25 21:28:37.743387278 +0200
 314 @@ -0,0 +1,98 @@
 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 +#include <linux/mtd/mtd.h>
 328 +
 329 +static u8 eth_mac[6];
 330 +static int eth_mac_set;
 331 +
 332 +const u8* ltq_get_eth_mac(void)
 333 +{
 334 +       return eth_mac;
 335 +}
 336 +
 337 +static int __init setup_ethaddr(char *str)
 338 +{
 339 +       eth_mac_set = mac_pton(str, eth_mac);
 340 +       return !eth_mac_set;
 341 +}
 342 +__setup("ethaddr=", setup_ethaddr);
 343 +
 344 +int __init of_eth_mac_probe(struct platform_device *pdev)
 345 +{
 346 +       struct device_node *np = pdev->dev.of_node, *mtd_np;
 347 +       struct resource *mac_res;
 348 +       void __iomem *mac;
 349 +       u32 mac_inc = 0;
 350 +       phandle phandle;
 351 +       size_t flash_readlen;
 352 +       const __be32 *list;
 353 +       const char *part;
 354 +       struct mtd_info *the_mtd;
 355 +       int i;
 356 +
 357 +       if (eth_mac_set) {
 358 +               dev_err(&pdev->dev, "mac was already set by bootloader\n");
 359 +               return -EINVAL;
 360 +       }
 361 +       if ((list = of_get_property(np, "ath,eep-mac", &i)) && i == 2 *
 362 +                       sizeof(*list) && (phandle = be32_to_cpup(list++)) &&
 363 +                       (mtd_np = of_find_node_by_phandle(phandle)) && ((part =
 364 +                       of_get_property(mtd_np, "label", NULL)) || (part =
 365 +                       mtd_np->name)) && (the_mtd = get_mtd_device_nm(part))
 366 +                       != ERR_PTR(-ENODEV)) {
 367 +               i = mtd_read(the_mtd, be32_to_cpup(list), 6, &flash_readlen,
 368 +                                       (void *) eth_mac);
 369 +               put_mtd_device(the_mtd);
 370 +               if ((sizeof(eth_mac) != flash_readlen) || i) {
 371 +                       dev_err(&pdev->dev, "failed to load eeprom from mtd\n");
 372 +                       return -ENODEV;
 373 +               }
 374 +       } else {
 375 +               mac_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 376 +
 377 +               if (!mac_res) {
 378 +                       dev_err(&pdev->dev, "failed to load mac\n");
 379 +                       return -EINVAL;
 380 +               }
 381 +               if (resource_size(mac_res) != 6) {
 382 +                       dev_err(&pdev->dev, "mac has an invalid size\n");
 383 +                       return -EINVAL;
 384 +               }
 385 +               mac = ioremap(mac_res->start, resource_size(mac_res));
 386 +               memcpy_fromio(eth_mac, mac, 6);
 387 +
 388 +       }
 389 +       if (!of_property_read_u32(np, "mac-increment", &mac_inc))
 390 +               eth_mac[5] += mac_inc;
 391 +
 392 +       return 0;
 393 +}
 394 +
 395 +static struct of_device_id eth_mac_ids[] = {
 396 +       { .compatible = "lantiq,eth-mac" },
 397 +       { /* sentinel */ }
 398 +};
 399 +
 400 +static struct platform_driver eth_mac_driver = {
 401 +       .driver         = {
 402 +               .name           = "lantiq,eth-mac",
 403 +               .owner  = THIS_MODULE,
 404 +               .of_match_table = of_match_ptr(eth_mac_ids),
 405 +       },
 406 +};
 407 +
 408 +static int __init of_eth_mac_init(void)
 409 +{
 410 +       return platform_driver_probe(&eth_mac_driver, of_eth_mac_probe);
 411 +}
 412 +device_initcall(of_eth_mac_init);
 413 Index: linux-3.8.13/arch/mips/lantiq/xway/pci-ath-fixup.c
 414 ===================================================================
 415 --- /dev/null   1970-01-01 00:00:00.000000000 +0000
 416 +++ linux-3.8.13/arch/mips/lantiq/xway/pci-ath-fixup.c  2013-07-25 20:47:01.535327796 +0200
 417 @@ -0,0 +1,109 @@
 418 +/*
 419 + *  Atheros AP94 reference board PCI initialization
 420 + *
 421 + *  Copyright (C) 2009-2010 Gabor Juhos <juhosg@openwrt.org>
 422 + *
 423 + *  This program is free software; you can redistribute it and/or modify it
 424 + *  under the terms of the GNU General Public License version 2 as published
 425 + *  by the Free Software Foundation.
 426 + */
 427 +
 428 +#include <linux/pci.h>
 429 +#include <linux/init.h>
 430 +#include <linux/delay.h>
 431 +#include <lantiq_soc.h>
 432 +
 433 +#define LTQ_PCI_MEM_BASE               0x18000000
 434 +
 435 +struct ath_fixup {
 436 +       u16             *cal_data;
 437 +       unsigned        slot;
 438 +};
 439 +
 440 +static int ath_num_fixups;
 441 +static struct ath_fixup ath_fixups[2];
 442 +
 443 +static void ath_pci_fixup(struct pci_dev *dev)
 444 +{
 445 +       void __iomem *mem;
 446 +       u16 *cal_data = NULL;
 447 +       u16 cmd;
 448 +       u32 bar0;
 449 +       u32 val;
 450 +       unsigned i;
 451 +
 452 +       for (i = 0; i < ath_num_fixups; i++) {
 453 +               if (ath_fixups[i].cal_data == NULL)
 454 +                       continue;
 455 +
 456 +               if (ath_fixups[i].slot != PCI_SLOT(dev->devfn))
 457 +                       continue;
 458 +
 459 +               cal_data = ath_fixups[i].cal_data;
 460 +               break;
 461 +       }
 462 +
 463 +       if (cal_data == NULL)
 464 +               return;
 465 +
 466 +       if (*cal_data != 0xa55a) {
 467 +               pr_err("pci %s: invalid calibration data\n", pci_name(dev));
 468 +               return;
 469 +       }
 470 +
 471 +       pr_info("pci %s: fixup device configuration\n", pci_name(dev));
 472 +
 473 +       mem = ioremap(LTQ_PCI_MEM_BASE, 0x10000);
 474 +       if (!mem) {
 475 +               pr_err("pci %s: ioremap error\n", pci_name(dev));
 476 +               return;
 477 +       }
 478 +
 479 +       pci_read_config_dword(dev, PCI_BASE_ADDRESS_0, &bar0);
 480 +       pci_write_config_dword(dev, PCI_BASE_ADDRESS_0, LTQ_PCI_MEM_BASE);
 481 +       pci_read_config_word(dev, PCI_COMMAND, &cmd);
 482 +       cmd |= PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
 483 +       pci_write_config_word(dev, PCI_COMMAND, cmd);
 484 +
 485 +       /* set pointer to first reg address */
 486 +       cal_data += 3;
 487 +       while (*cal_data != 0xffff) {
 488 +               u32 reg;
 489 +               reg = *cal_data++;
 490 +               val = *cal_data++;
 491 +               val |= (*cal_data++) << 16;
 492 +
 493 +               ltq_w32(swab32(val), mem + reg);
 494 +               udelay(100);
 495 +       }
 496 +
 497 +       pci_read_config_dword(dev, PCI_VENDOR_ID, &val);
 498 +       dev->vendor = val & 0xffff;
 499 +       dev->device = (val >> 16) & 0xffff;
 500 +
 501 +       pci_read_config_dword(dev, PCI_CLASS_REVISION, &val);
 502 +       dev->revision = val & 0xff;
 503 +       dev->class = val >> 8; /* upper 3 bytes */
 504 +
 505 +       pr_info("pci %s: fixup info: [%04x:%04x] revision %02x class %#08x\n",
 506 +               pci_name(dev), dev->vendor, dev->device, dev->revision, dev->class);
 507 +
 508 +       pci_read_config_word(dev, PCI_COMMAND, &cmd);
 509 +       cmd &= ~(PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY);
 510 +       pci_write_config_word(dev, PCI_COMMAND, cmd);
 511 +
 512 +       pci_write_config_dword(dev, PCI_BASE_ADDRESS_0, bar0);
 513 +
 514 +       iounmap(mem);
 515 +}
 516 +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_ATHEROS, PCI_ANY_ID, ath_pci_fixup);
 517 +
 518 +void __init ltq_pci_ath_fixup(unsigned slot, u16 *cal_data)
 519 +{
 520 +       if (ath_num_fixups >= ARRAY_SIZE(ath_fixups))
 521 +               return;
 522 +
 523 +       ath_fixups[ath_num_fixups].slot = slot;
 524 +       ath_fixups[ath_num_fixups].cal_data = cal_data;
 525 +       ath_num_fixups++;
 526 +}
 527 Index: linux-3.8.13/arch/mips/lantiq/xway/rt_eep.c
 528 ===================================================================
 529 --- /dev/null   1970-01-01 00:00:00.000000000 +0000
 530 +++ linux-3.8.13/arch/mips/lantiq/xway/rt_eep.c 2013-07-25 20:47:01.535327796 +0200
 531 @@ -0,0 +1,60 @@
 532 +/*
 533 + *  Copyright (C) 2011 John Crispin <blogic@openwrt.org>
 534 + *
 535 + *  This program is free software; you can redistribute it and/or modify it
 536 + *  under the terms of the GNU General Public License version 2 as published
 537 + *  by the Free Software Foundation.
 538 + */
 539 +
 540 +#include <linux/init.h>
 541 +#include <linux/module.h>
 542 +#include <linux/pci.h>
 543 +#include <linux/platform_device.h>
 544 +#include <linux/rt2x00_platform.h>
 545 +
 546 +extern int (*ltq_pci_plat_dev_init)(struct pci_dev *dev);
 547 +static struct rt2x00_platform_data rt2x00_pdata;
 548 +
 549 +static int rt2x00_pci_plat_dev_init(struct pci_dev *dev)
 550 +{
 551 +       dev->dev.platform_data = &rt2x00_pdata;
 552 +       return 0;
 553 +}
 554 +
 555 +int __init of_ralink_eeprom_probe(struct platform_device *pdev)
 556 +{
 557 +       struct device_node *np = pdev->dev.of_node;
 558 +       const char *eeprom;
 559 +
 560 +       if (of_property_read_string(np, "ralink,eeprom", &eeprom)) {
 561 +               dev_err(&pdev->dev, "failed to load eeprom filename\n");
 562 +               return 0;
 563 +       }
 564 +
 565 +       rt2x00_pdata.eeprom_file_name = kstrdup(eeprom, GFP_KERNEL);
 566 +//     rt2x00_pdata.mac_address = mac;
 567 +       ltq_pci_plat_dev_init = rt2x00_pci_plat_dev_init;
 568 +
 569 +       dev_info(&pdev->dev, "using %s as eeprom\n", eeprom);
 570 +
 571 +       return 0;
 572 +}
 573 +
 574 +static struct of_device_id ralink_eeprom_ids[] = {
 575 +       { .compatible = "ralink,eeprom" },
 576 +       { }
 577 +};
 578 +
 579 +static struct platform_driver ralink_eeprom_driver = {
 580 +       .driver         = {
 581 +               .name           = "ralink,eeprom",
 582 +               .owner  = THIS_MODULE,
 583 +               .of_match_table = of_match_ptr(ralink_eeprom_ids),
 584 +       },
 585 +};
 586 +
 587 +static int __init of_ralink_eeprom_init(void)
 588 +{
 589 +       return platform_driver_probe(&ralink_eeprom_driver, of_ralink_eeprom_probe);
 590 +}
 591 +device_initcall(of_ralink_eeprom_init);
 592 Index: linux-3.8.13/drivers/net/ethernet/lantiq_etop.c
 593 ===================================================================
 594 --- linux-3.8.13.orig/drivers/net/ethernet/lantiq_etop.c        2013-07-25 20:46:52.599327583 +0200
 595 +++ linux-3.8.13/drivers/net/ethernet/lantiq_etop.c     2013-07-25 20:47:01.535327796 +0200
 596 @@ -829,7 +829,8 @@
 597
 598         ltq_etop_change_mtu(dev, 1500);
 599
 600 -       memcpy(&mac.sa_data, priv->mac, ETH_ALEN);
 601 +       if (priv->mac)
 602 +               memcpy(&mac.sa_data, priv->mac, ETH_ALEN);
 603         if (!is_valid_ether_addr(mac.sa_data)) {
 604                 pr_warn("etop: invalid MAC, using random\n");
 605                 random_ether_addr(mac.sa_data);
 606 @@ -888,8 +889,7 @@
 607         .ndo_tx_timeout = ltq_etop_tx_timeout,
 608  };
 609
 610 -static int __devinit
 611 -ltq_etop_probe(struct platform_device *pdev)
 612 +static int ltq_etop_probe(struct platform_device *pdev)
 613  {
 614         struct net_device *dev;
 615         struct ltq_etop_priv *priv;
 616 @@ -953,7 +953,9 @@
 617         priv->tx_irq = irqres[0].start;
 618         priv->rx_irq = irqres[1].start;
 619         priv->mii_mode = of_get_phy_mode(pdev->dev.of_node);
 620 -       priv->mac = of_get_mac_address(pdev->dev.of_node);
 621 +       priv->mac = ltq_get_eth_mac();
 622 +       if (!priv->mac)
 623 +               priv->mac = of_get_mac_address(pdev->dev.of_node);
 624
 625         priv->clk_ppe = clk_get(&pdev->dev, NULL);
 626         if (IS_ERR(priv->clk_ppe))