target/linux/lantiq/patches-3.14/0035-owrt-lantiq-wifi-and-ethernet-eeprom-handling.patch

   1 From f8c5db89e793a4bc6c1e87bd7b3a5cec16b75bc3 Mon Sep 17 00:00:00 2001
   2 From: John Crispin <blogic@openwrt.org>
   3 Date: Wed, 10 Sep 2014 22:42:14 +0200
   4 Subject: [PATCH 35/36] owrt: lantiq: wifi and ethernet eeprom handling
   5
   6 Signed-off-by: John Crispin <blogic@openwrt.org>
   7 ---
   8  arch/mips/include/asm/mach-lantiq/pci-ath-fixup.h  |    6 +
   9  .../mips/include/asm/mach-lantiq/xway/lantiq_soc.h |    3 +
  10  arch/mips/lantiq/xway/Makefile                     |    3 +
  11  arch/mips/lantiq/xway/ath_eep.c                    |  282 ++++++++++++++++++++
  12  arch/mips/lantiq/xway/eth_mac.c                    |   76 ++++++
  13  arch/mips/lantiq/xway/pci-ath-fixup.c              |  109 ++++++++
  14  arch/mips/lantiq/xway/rt_eep.c                     |   60 +++++
  15  7 files changed, 539 insertions(+)
  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-3.14.28/arch/mips/include/asm/mach-lantiq/pci-ath-fixup.h
  23 ===================================================================
  24 --- /dev/null   1970-01-01 00:00:00.000000000 +0000
  25 +++ linux-3.14.28/arch/mips/include/asm/mach-lantiq/pci-ath-fixup.h     2015-01-17 10:55:03.329443942 -0800
  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-3.14.28/arch/mips/include/asm/mach-lantiq/xway/lantiq_soc.h
  34 ===================================================================
  35 --- linux-3.14.28.orig/arch/mips/include/asm/mach-lantiq/xway/lantiq_soc.h      2015-01-17 10:55:03.337443971 -0800
  36 +++ linux-3.14.28/arch/mips/include/asm/mach-lantiq/xway/lantiq_soc.h   2015-01-17 10:55:03.329443942 -0800
  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-3.14.28/arch/mips/lantiq/xway/Makefile
  47 ===================================================================
  48 --- linux-3.14.28.orig/arch/mips/lantiq/xway/Makefile   2015-01-17 10:55:03.337443971 -0800
  49 +++ linux-3.14.28/arch/mips/lantiq/xway/Makefile        2015-01-17 11:58:16.000000000 -0800
  50 @@ -2,4 +2,7 @@
  51
  52  obj-y += vmmc.o tffs.o
  53
  54 +obj-y += eth_mac.o
  55 +obj-$(CONFIG_PCI) += ath_eep.o rt_eep.o pci-ath-fixup.o
  56 +
  57  obj-$(CONFIG_XRX200_PHY_FW) += xrx200_phy_fw.o
  58 Index: linux-3.14.28/arch/mips/lantiq/xway/ath_eep.c
  59 ===================================================================
  60 --- /dev/null   1970-01-01 00:00:00.000000000 +0000
  61 +++ linux-3.14.28/arch/mips/lantiq/xway/ath_eep.c       2015-01-17 10:55:03.329443942 -0800
  62 @@ -0,0 +1,282 @@
  63 +/*
  64 + *  Copyright (C) 2011 Luca Olivetti <luca@ventoso.org>
  65 + *  Copyright (C) 2011 John Crispin <blogic@openwrt.org>
  66 + *  Copyright (C) 2011 Andrej Vlašić <andrej.vlasic0@gmail.com>
  67 + *  Copyright (C) 2013 Álvaro Fernández Rojas <noltari@gmail.com>
  68 + *  Copyright (C) 2013 Daniel Gimpelevich <daniel@gimpelevich.san-francisco.ca.us>
  69 + *
  70 + *  This program is free software; you can redistribute it and/or modify it
  71 + *  under the terms of the GNU General Public License version 2 as published
  72 + *  by the Free Software Foundation.
  73 + */
  74 +
  75 +#include <linux/init.h>
  76 +#include <linux/module.h>
  77 +#include <linux/platform_device.h>
  78 +#include <linux/etherdevice.h>
  79 +#include <linux/ath5k_platform.h>
  80 +#include <linux/ath9k_platform.h>
  81 +#include <linux/pci.h>
  82 +#include <linux/err.h>
  83 +#include <linux/mtd/mtd.h>
  84 +#include <pci-ath-fixup.h>
  85 +#include <lantiq_soc.h>
  86 +
  87 +extern int (*ltq_pci_plat_dev_init)(struct pci_dev *dev);
  88 +struct ath5k_platform_data ath5k_pdata;
  89 +struct ath9k_platform_data ath9k_pdata = {
  90 +       .led_pin = -1,
  91 +};
  92 +static u8 athxk_eeprom_mac[6];
  93 +
  94 +static int ath9k_pci_plat_dev_init(struct pci_dev *dev)
  95 +{
  96 +       dev->dev.platform_data = &ath9k_pdata;
  97 +       return 0;
  98 +}
  99 +
 100 +static int ath9k_eep_load;
 101 +int __init of_ath9k_eeprom_probe(struct platform_device *pdev)
 102 +{
 103 +       struct device_node *np = pdev->dev.of_node, *mtd_np;
 104 +       struct resource *eep_res, *mac_res = NULL;
 105 +       void __iomem *eep, *mac;
 106 +       int mac_offset, led_pin;
 107 +       u32 mac_inc = 0, pci_slot = 0;
 108 +       int i;
 109 +       struct mtd_info *the_mtd;
 110 +       size_t flash_readlen;
 111 +       const __be32 *list;
 112 +       const char *part;
 113 +       phandle phandle;
 114 +
 115 +       if ((list = of_get_property(np, "ath,eep-flash", &i)) && i == 2 *
 116 +                       sizeof(*list) && (phandle = be32_to_cpup(list++)) &&
 117 +                       (mtd_np = of_find_node_by_phandle(phandle)) && ((part =
 118 +                       of_get_property(mtd_np, "label", NULL)) || (part =
 119 +                       mtd_np->name)) && (the_mtd = get_mtd_device_nm(part))
 120 +                       != ERR_PTR(-ENODEV)) {
 121 +               i = mtd_read(the_mtd, be32_to_cpup(list),
 122 +                               ATH9K_PLAT_EEP_MAX_WORDS << 1, &flash_readlen,
 123 +                               (void *) ath9k_pdata.eeprom_data);
 124 +               if (!of_property_read_u32(np, "ath,mac-offset", &mac_offset)) {
 125 +                       size_t mac_readlen;
 126 +                       mtd_read(the_mtd, mac_offset, 6, &mac_readlen,
 127 +                               (void *) athxk_eeprom_mac);
 128 +               }
 129 +               put_mtd_device(the_mtd);
 130 +               if ((sizeof(ath9k_pdata.eeprom_data) != flash_readlen) || i) {
 131 +                       dev_err(&pdev->dev, "failed to load eeprom from mtd\n");
 132 +                       return -ENODEV;
 133 +               }
 134 +       } else {
 135 +               eep_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 136 +               mac_res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
 137 +
 138 +               if (!eep_res) {
 139 +                       dev_err(&pdev->dev, "failed to load eeprom address\n");
 140 +                       return -ENODEV;
 141 +               }
 142 +               if (resource_size(eep_res) != ATH9K_PLAT_EEP_MAX_WORDS << 1) {
 143 +                       dev_err(&pdev->dev, "eeprom has an invalid size\n");
 144 +                       return -EINVAL;
 145 +               }
 146 +
 147 +               eep = ioremap(eep_res->start, resource_size(eep_res));
 148 +               memcpy_fromio(ath9k_pdata.eeprom_data, eep,
 149 +                               ATH9K_PLAT_EEP_MAX_WORDS << 1);
 150 +       }
 151 +
 152 +       if (of_find_property(np, "ath,eep-swap", NULL))
 153 +               for (i = 0; i < ATH9K_PLAT_EEP_MAX_WORDS; i++)
 154 +                       ath9k_pdata.eeprom_data[i] = swab16(ath9k_pdata.eeprom_data[i]);
 155 +
 156 +       if (of_find_property(np, "ath,eep-endian", NULL)) {
 157 +               ath9k_pdata.endian_check = true;
 158 +
 159 +               dev_info(&pdev->dev, "endian check enabled.\n");
 160 +       }
 161 +
 162 +       if (!is_valid_ether_addr(athxk_eeprom_mac)) {
 163 +               if (mac_res) {
 164 +                       if (resource_size(mac_res) != 6) {
 165 +                               dev_err(&pdev->dev, "mac has an invalid size\n");
 166 +                               return -EINVAL;
 167 +                       }
 168 +                       mac = ioremap(mac_res->start, resource_size(mac_res));
 169 +                       memcpy_fromio(athxk_eeprom_mac, mac, 6);
 170 +               } else if (ltq_get_eth_mac()) {
 171 +                       memcpy(athxk_eeprom_mac, ltq_get_eth_mac(), 6);
 172 +               }
 173 +       }
 174 +       if (!is_valid_ether_addr(athxk_eeprom_mac)) {
 175 +               dev_warn(&pdev->dev, "using random mac\n");
 176 +               random_ether_addr(athxk_eeprom_mac);
 177 +       }
 178 +
 179 +       if (!of_property_read_u32(np, "ath,mac-increment", &mac_inc))
 180 +               athxk_eeprom_mac[5] += mac_inc;
 181 +
 182 +       ath9k_pdata.macaddr = athxk_eeprom_mac;
 183 +       ltq_pci_plat_dev_init = ath9k_pci_plat_dev_init;
 184 +
 185 +       if (!of_property_read_u32(np, "ath,pci-slot", &pci_slot)) {
 186 +               ltq_pci_ath_fixup(pci_slot, ath9k_pdata.eeprom_data);
 187 +
 188 +               dev_info(&pdev->dev, "pci slot: %u\n", pci_slot);
 189 +                if (ath9k_eep_load) {
 190 +                        struct pci_dev *d = NULL;
 191 +                        while ((d = pci_get_device(PCI_VENDOR_ID_ATHEROS,
 192 +                                        PCI_ANY_ID, d)) != NULL)
 193 +                                pci_fixup_device(pci_fixup_early, d);
 194 +                }
 195 +
 196 +       }
 197 +
 198 +       if (!of_property_read_u32(np, "ath,led-pin", &led_pin)) {
 199 +               ath9k_pdata.led_pin = led_pin;
 200 +               dev_info(&pdev->dev, "using led pin %d.\n", led_pin);
 201 +       }
 202 +
 203 +       dev_info(&pdev->dev, "loaded ath9k eeprom\n");
 204 +
 205 +       return 0;
 206 +}
 207 +
 208 +static struct of_device_id ath9k_eeprom_ids[] = {
 209 +       { .compatible = "ath9k,eeprom" },
 210 +       { }
 211 +};
 212 +
 213 +static struct platform_driver ath9k_eeprom_driver = {
 214 +       .driver         = {
 215 +               .name           = "ath9k,eeprom",
 216 +               .owner  = THIS_MODULE,
 217 +               .of_match_table = of_match_ptr(ath9k_eeprom_ids),
 218 +       },
 219 +};
 220 +
 221 +static int __init of_ath9k_eeprom_init(void)
 222 +{
 223 +        int ret = platform_driver_probe(&ath9k_eeprom_driver, of_ath9k_eeprom_probe);
 224 +
 225 +        if (ret)
 226 +                ath9k_eep_load = 1;
 227 +
 228 +        return ret;
 229 +}
 230 +
 231 +static int __init of_ath9k_eeprom_init_late(void)
 232 +{
 233 +        if (!ath9k_eep_load)
 234 +                return 0;
 235 +        return platform_driver_probe(&ath9k_eeprom_driver, of_ath9k_eeprom_probe);
 236 +}
 237 +late_initcall(of_ath9k_eeprom_init_late);
 238 +subsys_initcall(of_ath9k_eeprom_init);
 239 +
 240 +
 241 +static int ath5k_pci_plat_dev_init(struct pci_dev *dev)
 242 +{
 243 +       dev->dev.platform_data = &ath5k_pdata;
 244 +       return 0;
 245 +}
 246 +
 247 +int __init of_ath5k_eeprom_probe(struct platform_device *pdev)
 248 +{
 249 +       struct device_node *np = pdev->dev.of_node, *mtd_np;
 250 +       struct resource *eep_res, *mac_res = NULL;
 251 +       void __iomem *eep, *mac;
 252 +       int mac_offset;
 253 +       u32 mac_inc = 0;
 254 +       int i;
 255 +       struct mtd_info *the_mtd;
 256 +       size_t flash_readlen;
 257 +       const __be32 *list;
 258 +       const char *part;
 259 +       phandle phandle;
 260 +
 261 +       if ((list = of_get_property(np, "ath,eep-flash", &i)) && i == 2 *
 262 +                       sizeof(*list) && (phandle = be32_to_cpup(list++)) &&
 263 +                       (mtd_np = of_find_node_by_phandle(phandle)) && ((part =
 264 +                       of_get_property(mtd_np, "label", NULL)) || (part =
 265 +                       mtd_np->name)) && (the_mtd = get_mtd_device_nm(part))
 266 +                       != ERR_PTR(-ENODEV)) {
 267 +               i = mtd_read(the_mtd, be32_to_cpup(list),
 268 +                               ATH5K_PLAT_EEP_MAX_WORDS << 1, &flash_readlen,
 269 +                               (void *) ath5k_pdata.eeprom_data);
 270 +               put_mtd_device(the_mtd);
 271 +               if ((sizeof(ATH5K_PLAT_EEP_MAX_WORDS << 1) != flash_readlen)
 272 +                               || i) {
 273 +                       dev_err(&pdev->dev, "failed to load eeprom from mtd\n");
 274 +                       return -ENODEV;
 275 +               }
 276 +       } else {
 277 +               eep_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 278 +               mac_res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
 279 +
 280 +               if (!eep_res) {
 281 +                       dev_err(&pdev->dev, "failed to load eeprom address\n");
 282 +                       return -ENODEV;
 283 +               }
 284 +               if (resource_size(eep_res) != ATH5K_PLAT_EEP_MAX_WORDS << 1) {
 285 +                       dev_err(&pdev->dev, "eeprom has an invalid size\n");
 286 +                       return -EINVAL;
 287 +               }
 288 +
 289 +               eep = ioremap(eep_res->start, resource_size(eep_res));
 290 +               ath5k_pdata.eeprom_data = kmalloc(ATH5K_PLAT_EEP_MAX_WORDS<<1,
 291 +                               GFP_KERNEL);
 292 +               memcpy_fromio(ath5k_pdata.eeprom_data, eep,
 293 +                               ATH5K_PLAT_EEP_MAX_WORDS << 1);
 294 +       }
 295 +
 296 +       if (of_find_property(np, "ath,eep-swap", NULL))
 297 +               for (i = 0; i < ATH5K_PLAT_EEP_MAX_WORDS; i++)
 298 +                       ath5k_pdata.eeprom_data[i] = swab16(ath5k_pdata.eeprom_data[i]);
 299 +
 300 +       if (!of_property_read_u32(np, "ath,mac-offset", &mac_offset)) {
 301 +               memcpy_fromio(athxk_eeprom_mac, (void*) ath5k_pdata.eeprom_data + mac_offset, 6);
 302 +       } else if (mac_res) {
 303 +               if (resource_size(mac_res) != 6) {
 304 +                       dev_err(&pdev->dev, "mac has an invalid size\n");
 305 +                       return -EINVAL;
 306 +               }
 307 +               mac = ioremap(mac_res->start, resource_size(mac_res));
 308 +               memcpy_fromio(athxk_eeprom_mac, mac, 6);
 309 +       } else if (ltq_get_eth_mac())
 310 +               memcpy(athxk_eeprom_mac, ltq_get_eth_mac(), 6);
 311 +       else {
 312 +               dev_warn(&pdev->dev, "using random mac\n");
 313 +               random_ether_addr(athxk_eeprom_mac);
 314 +       }
 315 +
 316 +       if (!of_property_read_u32(np, "ath,mac-increment", &mac_inc))
 317 +               athxk_eeprom_mac[5] += mac_inc;
 318 +
 319 +       ath5k_pdata.macaddr = athxk_eeprom_mac;
 320 +       ltq_pci_plat_dev_init = ath5k_pci_plat_dev_init;
 321 +
 322 +       dev_info(&pdev->dev, "loaded ath5k eeprom\n");
 323 +
 324 +       return 0;
 325 +}
 326 +
 327 +static struct of_device_id ath5k_eeprom_ids[] = {
 328 +       { .compatible = "ath5k,eeprom" },
 329 +       { }
 330 +};
 331 +
 332 +static struct platform_driver ath5k_eeprom_driver = {
 333 +       .driver         = {
 334 +               .name           = "ath5k,eeprom",
 335 +               .owner  = THIS_MODULE,
 336 +               .of_match_table = of_match_ptr(ath5k_eeprom_ids),
 337 +       },
 338 +};
 339 +
 340 +static int __init of_ath5k_eeprom_init(void)
 341 +{
 342 +       return platform_driver_probe(&ath5k_eeprom_driver, of_ath5k_eeprom_probe);
 343 +}
 344 +device_initcall(of_ath5k_eeprom_init);
 345 Index: linux-3.14.28/arch/mips/lantiq/xway/eth_mac.c
 346 ===================================================================
 347 --- /dev/null   1970-01-01 00:00:00.000000000 +0000
 348 +++ linux-3.14.28/arch/mips/lantiq/xway/eth_mac.c       2015-01-17 11:14:42.823292726 -0800
 349 @@ -0,0 +1,76 @@
 350 +/*
 351 + *  Copyright (C) 2012 John Crispin <blogic@openwrt.org>
 352 + *
 353 + *  This program is free software; you can redistribute it and/or modify it
 354 + *  under the terms of the GNU General Public License version 2 as published
 355 + *  by the Free Software Foundation.
 356 + */
 357 +
 358 +#include <linux/init.h>
 359 +#include <linux/module.h>
 360 +#include <linux/of_platform.h>
 361 +#include <linux/if_ether.h>
 362 +
 363 +static u8 eth_mac[6];
 364 +static int eth_mac_set;
 365 +
 366 +const u8* ltq_get_eth_mac(void)
 367 +{
 368 +       return eth_mac;
 369 +}
 370 +
 371 +static int __init setup_ethaddr(char *str)
 372 +{
 373 +       eth_mac_set = mac_pton(str, eth_mac);
 374 +       return !eth_mac_set;
 375 +}
 376 +__setup("ethaddr=", setup_ethaddr);
 377 +
 378 +int __init of_eth_mac_probe(struct platform_device *pdev)
 379 +{
 380 +       struct device_node *np = pdev->dev.of_node;
 381 +       struct resource *mac_res;
 382 +       void __iomem *mac;
 383 +       u32 mac_inc = 0;
 384 +
 385 +       if (eth_mac_set) {
 386 +               dev_err(&pdev->dev, "mac was already set by bootloader\n");
 387 +               return -EINVAL;
 388 +       }
 389 +       mac_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 390 +
 391 +       if (!mac_res) {
 392 +               dev_err(&pdev->dev, "failed to load mac\n");
 393 +               return -EINVAL;
 394 +       }
 395 +       if (resource_size(mac_res) != 6) {
 396 +               dev_err(&pdev->dev, "mac has an invalid size\n");
 397 +               return -EINVAL;
 398 +       }
 399 +       mac = ioremap(mac_res->start, resource_size(mac_res));
 400 +       memcpy_fromio(eth_mac, mac, 6);
 401 +
 402 +       if (!of_property_read_u32(np, "mac-increment", &mac_inc))
 403 +               eth_mac[5] += mac_inc;
 404 +
 405 +       return 0;
 406 +}
 407 +
 408 +static struct of_device_id eth_mac_ids[] = {
 409 +       { .compatible = "lantiq,eth-mac" },
 410 +       { /* sentinel */ }
 411 +};
 412 +
 413 +static struct platform_driver eth_mac_driver = {
 414 +       .driver         = {
 415 +               .name           = "lantiq,eth-mac",
 416 +               .owner  = THIS_MODULE,
 417 +               .of_match_table = of_match_ptr(eth_mac_ids),
 418 +       },
 419 +};
 420 +
 421 +static int __init of_eth_mac_init(void)
 422 +{
 423 +       return platform_driver_probe(&eth_mac_driver, of_eth_mac_probe);
 424 +}
 425 +device_initcall(of_eth_mac_init);
 426 Index: linux-3.14.28/arch/mips/lantiq/xway/pci-ath-fixup.c
 427 ===================================================================
 428 --- /dev/null   1970-01-01 00:00:00.000000000 +0000
 429 +++ linux-3.14.28/arch/mips/lantiq/xway/pci-ath-fixup.c 2015-01-17 10:55:03.329443942 -0800
 430 @@ -0,0 +1,109 @@
 431 +/*
 432 + *  Atheros AP94 reference board PCI initialization
 433 + *
 434 + *  Copyright (C) 2009-2010 Gabor Juhos <juhosg@openwrt.org>
 435 + *
 436 + *  This program is free software; you can redistribute it and/or modify it
 437 + *  under the terms of the GNU General Public License version 2 as published
 438 + *  by the Free Software Foundation.
 439 + */
 440 +
 441 +#include <linux/pci.h>
 442 +#include <linux/init.h>
 443 +#include <linux/delay.h>
 444 +#include <lantiq_soc.h>
 445 +
 446 +#define LTQ_PCI_MEM_BASE               0x18000000
 447 +
 448 +struct ath_fixup {
 449 +       u16             *cal_data;
 450 +       unsigned        slot;
 451 +};
 452 +
 453 +static int ath_num_fixups;
 454 +static struct ath_fixup ath_fixups[2];
 455 +
 456 +static void ath_pci_fixup(struct pci_dev *dev)
 457 +{
 458 +       void __iomem *mem;
 459 +       u16 *cal_data = NULL;
 460 +       u16 cmd;
 461 +       u32 bar0;
 462 +       u32 val;
 463 +       unsigned i;
 464 +
 465 +       for (i = 0; i < ath_num_fixups; i++) {
 466 +               if (ath_fixups[i].cal_data == NULL)
 467 +                       continue;
 468 +
 469 +               if (ath_fixups[i].slot != PCI_SLOT(dev->devfn))
 470 +                       continue;
 471 +
 472 +               cal_data = ath_fixups[i].cal_data;
 473 +               break;
 474 +       }
 475 +
 476 +       if (cal_data == NULL)
 477 +               return;
 478 +
 479 +       if (*cal_data != 0xa55a) {
 480 +               pr_err("pci %s: invalid calibration data\n", pci_name(dev));
 481 +               return;
 482 +       }
 483 +
 484 +       pr_info("pci %s: fixup device configuration\n", pci_name(dev));
 485 +
 486 +       mem = ioremap(LTQ_PCI_MEM_BASE, 0x10000);
 487 +       if (!mem) {
 488 +               pr_err("pci %s: ioremap error\n", pci_name(dev));
 489 +               return;
 490 +       }
 491 +
 492 +       pci_read_config_dword(dev, PCI_BASE_ADDRESS_0, &bar0);
 493 +       pci_write_config_dword(dev, PCI_BASE_ADDRESS_0, LTQ_PCI_MEM_BASE);
 494 +       pci_read_config_word(dev, PCI_COMMAND, &cmd);
 495 +       cmd |= PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
 496 +       pci_write_config_word(dev, PCI_COMMAND, cmd);
 497 +
 498 +       /* set pointer to first reg address */
 499 +       cal_data += 3;
 500 +       while (*cal_data != 0xffff) {
 501 +               u32 reg;
 502 +               reg = *cal_data++;
 503 +               val = *cal_data++;
 504 +               val |= (*cal_data++) << 16;
 505 +
 506 +               ltq_w32(swab32(val), mem + reg);
 507 +               udelay(100);
 508 +       }
 509 +
 510 +       pci_read_config_dword(dev, PCI_VENDOR_ID, &val);
 511 +       dev->vendor = val & 0xffff;
 512 +       dev->device = (val >> 16) & 0xffff;
 513 +
 514 +       pci_read_config_dword(dev, PCI_CLASS_REVISION, &val);
 515 +       dev->revision = val & 0xff;
 516 +       dev->class = val >> 8; /* upper 3 bytes */
 517 +
 518 +       pr_info("pci %s: fixup info: [%04x:%04x] revision %02x class %#08x\n",
 519 +               pci_name(dev), dev->vendor, dev->device, dev->revision, dev->class);
 520 +
 521 +       pci_read_config_word(dev, PCI_COMMAND, &cmd);
 522 +       cmd &= ~(PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY);
 523 +       pci_write_config_word(dev, PCI_COMMAND, cmd);
 524 +
 525 +       pci_write_config_dword(dev, PCI_BASE_ADDRESS_0, bar0);
 526 +
 527 +       iounmap(mem);
 528 +}
 529 +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_ATHEROS, PCI_ANY_ID, ath_pci_fixup);
 530 +
 531 +void __init ltq_pci_ath_fixup(unsigned slot, u16 *cal_data)
 532 +{
 533 +       if (ath_num_fixups >= ARRAY_SIZE(ath_fixups))
 534 +               return;
 535 +
 536 +       ath_fixups[ath_num_fixups].slot = slot;
 537 +       ath_fixups[ath_num_fixups].cal_data = cal_data;
 538 +       ath_num_fixups++;
 539 +}
 540 Index: linux-3.14.28/arch/mips/lantiq/xway/rt_eep.c
 541 ===================================================================
 542 --- /dev/null   1970-01-01 00:00:00.000000000 +0000
 543 +++ linux-3.14.28/arch/mips/lantiq/xway/rt_eep.c        2015-01-17 10:55:03.329443942 -0800
 544 @@ -0,0 +1,60 @@
 545 +/*
 546 + *  Copyright (C) 2011 John Crispin <blogic@openwrt.org>
 547 + *
 548 + *  This program is free software; you can redistribute it and/or modify it
 549 + *  under the terms of the GNU General Public License version 2 as published
 550 + *  by the Free Software Foundation.
 551 + */
 552 +
 553 +#include <linux/init.h>
 554 +#include <linux/module.h>
 555 +#include <linux/pci.h>
 556 +#include <linux/platform_device.h>
 557 +#include <linux/rt2x00_platform.h>
 558 +
 559 +extern int (*ltq_pci_plat_dev_init)(struct pci_dev *dev);
 560 +static struct rt2x00_platform_data rt2x00_pdata;
 561 +
 562 +static int rt2x00_pci_plat_dev_init(struct pci_dev *dev)
 563 +{
 564 +       dev->dev.platform_data = &rt2x00_pdata;
 565 +       return 0;
 566 +}
 567 +
 568 +int __init of_ralink_eeprom_probe(struct platform_device *pdev)
 569 +{
 570 +       struct device_node *np = pdev->dev.of_node;
 571 +       const char *eeprom;
 572 +
 573 +       if (of_property_read_string(np, "ralink,eeprom", &eeprom)) {
 574 +               dev_err(&pdev->dev, "failed to load eeprom filename\n");
 575 +               return 0;
 576 +       }
 577 +
 578 +       rt2x00_pdata.eeprom_file_name = kstrdup(eeprom, GFP_KERNEL);
 579 +//     rt2x00_pdata.mac_address = mac;
 580 +       ltq_pci_plat_dev_init = rt2x00_pci_plat_dev_init;
 581 +
 582 +       dev_info(&pdev->dev, "using %s as eeprom\n", eeprom);
 583 +
 584 +       return 0;
 585 +}
 586 +
 587 +static struct of_device_id ralink_eeprom_ids[] = {
 588 +       { .compatible = "ralink,eeprom" },
 589 +       { }
 590 +};
 591 +
 592 +static struct platform_driver ralink_eeprom_driver = {
 593 +       .driver         = {
 594 +               .name           = "ralink,eeprom",
 595 +               .owner  = THIS_MODULE,
 596 +               .of_match_table = of_match_ptr(ralink_eeprom_ids),
 597 +       },
 598 +};
 599 +
 600 +static int __init of_ralink_eeprom_init(void)
 601 +{
 602 +       return platform_driver_probe(&ralink_eeprom_driver, of_ralink_eeprom_probe);
 603 +}
 604 +device_initcall(of_ralink_eeprom_init);
 605 Index: linux-3.14.28/drivers/net/ethernet/lantiq_etop.c
 606 ===================================================================
 607 --- linux-3.14.28.orig/drivers/net/ethernet/lantiq_etop.c       2015-01-17 11:52:03.818405214 -0800
 608 +++ linux-3.14.28/drivers/net/ethernet/lantiq_etop.c    2015-01-17 12:02:20.905465188 -0800
 609 @@ -843,6 +843,9 @@
 610
 611         if (priv->mac)
 612                 memcpy(&mac.sa_data, priv->mac, ETH_ALEN);
 613 +       else
 614 +               memcpy(&mac.sa_data, ltq_get_eth_mac(), ETH_ALEN);
 615 +
 616         if (!is_valid_ether_addr(mac.sa_data)) {
 617                 pr_warn("etop: invalid MAC, using random\n");
 618                 random_ether_addr(mac.sa_data);