target/linux/lantiq/patches-3.10/0010-MIPS-lantiq-wifi-and-ethernet-eeprom-handling.patch

   1 From 591a9bdde1fa9aa6f1c6132ea04771bb1dcd6180 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 18/22] 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                    |  248 ++++++++++++++++++++
  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  arch/mips/pci/pci-lantiq.c                         |    2 +-
  15  8 files changed, 506 insertions(+), 1 deletion(-)
  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-3.10.49/arch/mips/include/asm/mach-lantiq/pci-ath-fixup.h
  23 ===================================================================
  24 --- /dev/null   1970-01-01 00:00:00.000000000 +0000
  25 +++ linux-3.10.49/arch/mips/include/asm/mach-lantiq/pci-ath-fixup.h     2014-07-28 15:42:11.008968725 +0100
  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-3.10.49/arch/mips/include/asm/mach-lantiq/xway/lantiq_soc.h
  34 ===================================================================
  35 --- linux-3.10.49.orig/arch/mips/include/asm/mach-lantiq/xway/lantiq_soc.h      2014-07-17 23:58:15.000000000 +0100
  36 +++ linux-3.10.49/arch/mips/include/asm/mach-lantiq/xway/lantiq_soc.h   2014-07-28 15:42:11.008968725 +0100
  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-3.10.49/arch/mips/lantiq/xway/Makefile
  47 ===================================================================
  48 --- linux-3.10.49.orig/arch/mips/lantiq/xway/Makefile   2014-07-28 15:42:10.976968725 +0100
  49 +++ linux-3.10.49/arch/mips/lantiq/xway/Makefile        2014-07-28 15:49:51.008978396 +0100
  50 @@ -2,4 +2,7 @@
  51
  52  obj-y += vmmc.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-3.10.49/arch/mips/lantiq/xway/ath_eep.c
  59 ===================================================================
  60 --- /dev/null   1970-01-01 00:00:00.000000000 +0000
  61 +++ linux-3.10.49/arch/mips/lantiq/xway/ath_eep.c       2014-07-28 15:46:33.032974234 +0100
  62 @@ -0,0 +1,277 @@
  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;
 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 +       dev_info(&pdev->dev, "loaded ath9k eeprom\n");
 199 +
 200 +       return 0;
 201 +}
 202 +
 203 +static struct of_device_id ath9k_eeprom_ids[] = {
 204 +       { .compatible = "ath9k,eeprom" },
 205 +       { }
 206 +};
 207 +
 208 +static struct platform_driver ath9k_eeprom_driver = {
 209 +       .driver         = {
 210 +               .name           = "ath9k,eeprom",
 211 +               .owner  = THIS_MODULE,
 212 +               .of_match_table = of_match_ptr(ath9k_eeprom_ids),
 213 +       },
 214 +};
 215 +
 216 +static int __init of_ath9k_eeprom_init(void)
 217 +{
 218 +        int ret = platform_driver_probe(&ath9k_eeprom_driver, of_ath9k_eeprom_probe);
 219 +
 220 +        if (ret)
 221 +                ath9k_eep_load = 1;
 222 +
 223 +        return ret;
 224 +}
 225 +
 226 +static int __init of_ath9k_eeprom_init_late(void)
 227 +{
 228 +        if (!ath9k_eep_load)
 229 +                return 0;
 230 +        return platform_driver_probe(&ath9k_eeprom_driver, of_ath9k_eeprom_probe);
 231 +}
 232 +late_initcall(of_ath9k_eeprom_init_late);
 233 +subsys_initcall(of_ath9k_eeprom_init);
 234 +
 235 +
 236 +static int ath5k_pci_plat_dev_init(struct pci_dev *dev)
 237 +{
 238 +       dev->dev.platform_data = &ath5k_pdata;
 239 +       return 0;
 240 +}
 241 +
 242 +int __init of_ath5k_eeprom_probe(struct platform_device *pdev)
 243 +{
 244 +       struct device_node *np = pdev->dev.of_node, *mtd_np;
 245 +       struct resource *eep_res, *mac_res = NULL;
 246 +       void __iomem *eep, *mac;
 247 +       int mac_offset;
 248 +       u32 mac_inc = 0;
 249 +       int i;
 250 +       struct mtd_info *the_mtd;
 251 +       size_t flash_readlen;
 252 +       const __be32 *list;
 253 +       const char *part;
 254 +       phandle phandle;
 255 +
 256 +       if ((list = of_get_property(np, "ath,eep-flash", &i)) && i == 2 *
 257 +                       sizeof(*list) && (phandle = be32_to_cpup(list++)) &&
 258 +                       (mtd_np = of_find_node_by_phandle(phandle)) && ((part =
 259 +                       of_get_property(mtd_np, "label", NULL)) || (part =
 260 +                       mtd_np->name)) && (the_mtd = get_mtd_device_nm(part))
 261 +                       != ERR_PTR(-ENODEV)) {
 262 +               i = mtd_read(the_mtd, be32_to_cpup(list),
 263 +                               ATH5K_PLAT_EEP_MAX_WORDS << 1, &flash_readlen,
 264 +                               (void *) ath5k_pdata.eeprom_data);
 265 +               put_mtd_device(the_mtd);
 266 +               if ((sizeof(ATH5K_PLAT_EEP_MAX_WORDS << 1) != flash_readlen)
 267 +                               || i) {
 268 +                       dev_err(&pdev->dev, "failed to load eeprom from mtd\n");
 269 +                       return -ENODEV;
 270 +               }
 271 +       } else {
 272 +               eep_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 273 +               mac_res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
 274 +
 275 +               if (!eep_res) {
 276 +                       dev_err(&pdev->dev, "failed to load eeprom address\n");
 277 +                       return -ENODEV;
 278 +               }
 279 +               if (resource_size(eep_res) != ATH5K_PLAT_EEP_MAX_WORDS << 1) {
 280 +                       dev_err(&pdev->dev, "eeprom has an invalid size\n");
 281 +                       return -EINVAL;
 282 +               }
 283 +
 284 +               eep = ioremap(eep_res->start, resource_size(eep_res));
 285 +               ath5k_pdata.eeprom_data = kmalloc(ATH5K_PLAT_EEP_MAX_WORDS<<1,
 286 +                               GFP_KERNEL);
 287 +               memcpy_fromio(ath5k_pdata.eeprom_data, eep,
 288 +                               ATH5K_PLAT_EEP_MAX_WORDS << 1);
 289 +       }
 290 +
 291 +       if (of_find_property(np, "ath,eep-swap", NULL))
 292 +               for (i = 0; i < ATH5K_PLAT_EEP_MAX_WORDS; i++)
 293 +                       ath5k_pdata.eeprom_data[i] = swab16(ath5k_pdata.eeprom_data[i]);
 294 +
 295 +       if (!of_property_read_u32(np, "ath,mac-offset", &mac_offset)) {
 296 +               memcpy_fromio(athxk_eeprom_mac, (void*) ath5k_pdata.eeprom_data + mac_offset, 6);
 297 +       } else if (mac_res) {
 298 +               if (resource_size(mac_res) != 6) {
 299 +                       dev_err(&pdev->dev, "mac has an invalid size\n");
 300 +                       return -EINVAL;
 301 +               }
 302 +               mac = ioremap(mac_res->start, resource_size(mac_res));
 303 +               memcpy_fromio(athxk_eeprom_mac, mac, 6);
 304 +       } else if (ltq_get_eth_mac())
 305 +               memcpy(athxk_eeprom_mac, ltq_get_eth_mac(), 6);
 306 +       else {
 307 +               dev_warn(&pdev->dev, "using random mac\n");
 308 +               random_ether_addr(athxk_eeprom_mac);
 309 +       }
 310 +
 311 +       if (!of_property_read_u32(np, "ath,mac-increment", &mac_inc))
 312 +               athxk_eeprom_mac[5] += mac_inc;
 313 +
 314 +       ath5k_pdata.macaddr = athxk_eeprom_mac;
 315 +       ltq_pci_plat_dev_init = ath5k_pci_plat_dev_init;
 316 +
 317 +       dev_info(&pdev->dev, "loaded ath5k eeprom\n");
 318 +
 319 +       return 0;
 320 +}
 321 +
 322 +static struct of_device_id ath5k_eeprom_ids[] = {
 323 +       { .compatible = "ath5k,eeprom" },
 324 +       { }
 325 +};
 326 +
 327 +static struct platform_driver ath5k_eeprom_driver = {
 328 +       .driver         = {
 329 +               .name           = "ath5k,eeprom",
 330 +               .owner  = THIS_MODULE,
 331 +               .of_match_table = of_match_ptr(ath5k_eeprom_ids),
 332 +       },
 333 +};
 334 +
 335 +static int __init of_ath5k_eeprom_init(void)
 336 +{
 337 +       return platform_driver_probe(&ath5k_eeprom_driver, of_ath5k_eeprom_probe);
 338 +}
 339 +device_initcall(of_ath5k_eeprom_init);
 340 Index: linux-3.10.49/arch/mips/lantiq/xway/eth_mac.c
 341 ===================================================================
 342 --- /dev/null   1970-01-01 00:00:00.000000000 +0000
 343 +++ linux-3.10.49/arch/mips/lantiq/xway/eth_mac.c       2014-07-28 15:42:11.008968725 +0100
 344 @@ -0,0 +1,76 @@
 345 +/*
 346 + *  Copyright (C) 2012 John Crispin <blogic@openwrt.org>
 347 + *
 348 + *  This program is free software; you can redistribute it and/or modify it
 349 + *  under the terms of the GNU General Public License version 2 as published
 350 + *  by the Free Software Foundation.
 351 + */
 352 +
 353 +#include <linux/init.h>
 354 +#include <linux/module.h>
 355 +#include <linux/of_platform.h>
 356 +#include <linux/if_ether.h>
 357 +
 358 +static u8 eth_mac[6];
 359 +static int eth_mac_set;
 360 +
 361 +const u8* ltq_get_eth_mac(void)
 362 +{
 363 +       return eth_mac;
 364 +}
 365 +
 366 +static int __init setup_ethaddr(char *str)
 367 +{
 368 +       eth_mac_set = mac_pton(str, eth_mac);
 369 +       return !eth_mac_set;
 370 +}
 371 +__setup("ethaddr=", setup_ethaddr);
 372 +
 373 +int __init of_eth_mac_probe(struct platform_device *pdev)
 374 +{
 375 +       struct device_node *np = pdev->dev.of_node;
 376 +       struct resource *mac_res;
 377 +       void __iomem *mac;
 378 +       u32 mac_inc = 0;
 379 +
 380 +       if (eth_mac_set) {
 381 +               dev_err(&pdev->dev, "mac was already set by bootloader\n");
 382 +               return -EINVAL;
 383 +       }
 384 +       mac_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 385 +
 386 +       if (!mac_res) {
 387 +               dev_err(&pdev->dev, "failed to load mac\n");
 388 +               return -EINVAL;
 389 +       }
 390 +       if (resource_size(mac_res) != 6) {
 391 +               dev_err(&pdev->dev, "mac has an invalid size\n");
 392 +               return -EINVAL;
 393 +       }
 394 +       mac = ioremap(mac_res->start, resource_size(mac_res));
 395 +       memcpy_fromio(eth_mac, mac, 6);
 396 +
 397 +       if (!of_property_read_u32(np, "mac-increment", &mac_inc))
 398 +               eth_mac[5] += mac_inc;
 399 +
 400 +       return 0;
 401 +}
 402 +
 403 +static struct of_device_id eth_mac_ids[] = {
 404 +       { .compatible = "lantiq,eth-mac" },
 405 +       { /* sentinel */ }
 406 +};
 407 +
 408 +static struct platform_driver eth_mac_driver = {
 409 +       .driver         = {
 410 +               .name           = "lantiq,eth-mac",
 411 +               .owner  = THIS_MODULE,
 412 +               .of_match_table = of_match_ptr(eth_mac_ids),
 413 +       },
 414 +};
 415 +
 416 +static int __init of_eth_mac_init(void)
 417 +{
 418 +       return platform_driver_probe(&eth_mac_driver, of_eth_mac_probe);
 419 +}
 420 +device_initcall(of_eth_mac_init);
 421 Index: linux-3.10.49/arch/mips/lantiq/xway/pci-ath-fixup.c
 422 ===================================================================
 423 --- /dev/null   1970-01-01 00:00:00.000000000 +0000
 424 +++ linux-3.10.49/arch/mips/lantiq/xway/pci-ath-fixup.c 2014-07-28 15:42:11.008968725 +0100
 425 @@ -0,0 +1,109 @@
 426 +/*
 427 + *  Atheros AP94 reference board PCI initialization
 428 + *
 429 + *  Copyright (C) 2009-2010 Gabor Juhos <juhosg@openwrt.org>
 430 + *
 431 + *  This program is free software; you can redistribute it and/or modify it
 432 + *  under the terms of the GNU General Public License version 2 as published
 433 + *  by the Free Software Foundation.
 434 + */
 435 +
 436 +#include <linux/pci.h>
 437 +#include <linux/init.h>
 438 +#include <linux/delay.h>
 439 +#include <lantiq_soc.h>
 440 +
 441 +#define LTQ_PCI_MEM_BASE               0x18000000
 442 +
 443 +struct ath_fixup {
 444 +       u16             *cal_data;
 445 +       unsigned        slot;
 446 +};
 447 +
 448 +static int ath_num_fixups;
 449 +static struct ath_fixup ath_fixups[2];
 450 +
 451 +static void ath_pci_fixup(struct pci_dev *dev)
 452 +{
 453 +       void __iomem *mem;
 454 +       u16 *cal_data = NULL;
 455 +       u16 cmd;
 456 +       u32 bar0;
 457 +       u32 val;
 458 +       unsigned i;
 459 +
 460 +       for (i = 0; i < ath_num_fixups; i++) {
 461 +               if (ath_fixups[i].cal_data == NULL)
 462 +                       continue;
 463 +
 464 +               if (ath_fixups[i].slot != PCI_SLOT(dev->devfn))
 465 +                       continue;
 466 +
 467 +               cal_data = ath_fixups[i].cal_data;
 468 +               break;
 469 +       }
 470 +
 471 +       if (cal_data == NULL)
 472 +               return;
 473 +
 474 +       if (*cal_data != 0xa55a) {
 475 +               pr_err("pci %s: invalid calibration data\n", pci_name(dev));
 476 +               return;
 477 +       }
 478 +
 479 +       pr_info("pci %s: fixup device configuration\n", pci_name(dev));
 480 +
 481 +       mem = ioremap(LTQ_PCI_MEM_BASE, 0x10000);
 482 +       if (!mem) {
 483 +               pr_err("pci %s: ioremap error\n", pci_name(dev));
 484 +               return;
 485 +       }
 486 +
 487 +       pci_read_config_dword(dev, PCI_BASE_ADDRESS_0, &bar0);
 488 +       pci_write_config_dword(dev, PCI_BASE_ADDRESS_0, LTQ_PCI_MEM_BASE);
 489 +       pci_read_config_word(dev, PCI_COMMAND, &cmd);
 490 +       cmd |= PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
 491 +       pci_write_config_word(dev, PCI_COMMAND, cmd);
 492 +
 493 +       /* set pointer to first reg address */
 494 +       cal_data += 3;
 495 +       while (*cal_data != 0xffff) {
 496 +               u32 reg;
 497 +               reg = *cal_data++;
 498 +               val = *cal_data++;
 499 +               val |= (*cal_data++) << 16;
 500 +
 501 +               ltq_w32(swab32(val), mem + reg);
 502 +               udelay(100);
 503 +       }
 504 +
 505 +       pci_read_config_dword(dev, PCI_VENDOR_ID, &val);
 506 +       dev->vendor = val & 0xffff;
 507 +       dev->device = (val >> 16) & 0xffff;
 508 +
 509 +       pci_read_config_dword(dev, PCI_CLASS_REVISION, &val);
 510 +       dev->revision = val & 0xff;
 511 +       dev->class = val >> 8; /* upper 3 bytes */
 512 +
 513 +       pr_info("pci %s: fixup info: [%04x:%04x] revision %02x class %#08x\n",
 514 +               pci_name(dev), dev->vendor, dev->device, dev->revision, dev->class);
 515 +
 516 +       pci_read_config_word(dev, PCI_COMMAND, &cmd);
 517 +       cmd &= ~(PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY);
 518 +       pci_write_config_word(dev, PCI_COMMAND, cmd);
 519 +
 520 +       pci_write_config_dword(dev, PCI_BASE_ADDRESS_0, bar0);
 521 +
 522 +       iounmap(mem);
 523 +}
 524 +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_ATHEROS, PCI_ANY_ID, ath_pci_fixup);
 525 +
 526 +void __init ltq_pci_ath_fixup(unsigned slot, u16 *cal_data)
 527 +{
 528 +       if (ath_num_fixups >= ARRAY_SIZE(ath_fixups))
 529 +               return;
 530 +
 531 +       ath_fixups[ath_num_fixups].slot = slot;
 532 +       ath_fixups[ath_num_fixups].cal_data = cal_data;
 533 +       ath_num_fixups++;
 534 +}
 535 Index: linux-3.10.49/arch/mips/lantiq/xway/rt_eep.c
 536 ===================================================================
 537 --- /dev/null   1970-01-01 00:00:00.000000000 +0000
 538 +++ linux-3.10.49/arch/mips/lantiq/xway/rt_eep.c        2014-07-28 15:42:11.008968725 +0100
 539 @@ -0,0 +1,60 @@
 540 +/*
 541 + *  Copyright (C) 2011 John Crispin <blogic@openwrt.org>
 542 + *
 543 + *  This program is free software; you can redistribute it and/or modify it
 544 + *  under the terms of the GNU General Public License version 2 as published
 545 + *  by the Free Software Foundation.
 546 + */
 547 +
 548 +#include <linux/init.h>
 549 +#include <linux/module.h>
 550 +#include <linux/pci.h>
 551 +#include <linux/platform_device.h>
 552 +#include <linux/rt2x00_platform.h>
 553 +
 554 +extern int (*ltq_pci_plat_dev_init)(struct pci_dev *dev);
 555 +static struct rt2x00_platform_data rt2x00_pdata;
 556 +
 557 +static int rt2x00_pci_plat_dev_init(struct pci_dev *dev)
 558 +{
 559 +       dev->dev.platform_data = &rt2x00_pdata;
 560 +       return 0;
 561 +}
 562 +
 563 +int __init of_ralink_eeprom_probe(struct platform_device *pdev)
 564 +{
 565 +       struct device_node *np = pdev->dev.of_node;
 566 +       const char *eeprom;
 567 +
 568 +       if (of_property_read_string(np, "ralink,eeprom", &eeprom)) {
 569 +               dev_err(&pdev->dev, "failed to load eeprom filename\n");
 570 +               return 0;
 571 +       }
 572 +
 573 +       rt2x00_pdata.eeprom_file_name = kstrdup(eeprom, GFP_KERNEL);
 574 +//     rt2x00_pdata.mac_address = mac;
 575 +       ltq_pci_plat_dev_init = rt2x00_pci_plat_dev_init;
 576 +
 577 +       dev_info(&pdev->dev, "using %s as eeprom\n", eeprom);
 578 +
 579 +       return 0;
 580 +}
 581 +
 582 +static struct of_device_id ralink_eeprom_ids[] = {
 583 +       { .compatible = "ralink,eeprom" },
 584 +       { }
 585 +};
 586 +
 587 +static struct platform_driver ralink_eeprom_driver = {
 588 +       .driver         = {
 589 +               .name           = "ralink,eeprom",
 590 +               .owner  = THIS_MODULE,
 591 +               .of_match_table = of_match_ptr(ralink_eeprom_ids),
 592 +       },
 593 +};
 594 +
 595 +static int __init of_ralink_eeprom_init(void)
 596 +{
 597 +       return platform_driver_probe(&ralink_eeprom_driver, of_ralink_eeprom_probe);
 598 +}
 599 +device_initcall(of_ralink_eeprom_init);