target/linux/ramips/files/arch/mips/ralink/rt288x/mach-wzr-agl300nh.c

   1 /*
   2  *  Buffalo WZR-AGL300NH board support
   3  *
   4  *  Copyright (C) 2010 Joonas Lahtinen <joonas.lahtinen@gmail.com>
   5  *
   6  *  This program is free software; you can redistribute it and/or modify it
   7  *  under the terms of the GNU General Public License version 2 as published
   8  *  by the Free Software Foundation.
   9  */
  10
  11 #include <linux/init.h>
  12 #include <linux/platform_device.h>
  13 #include <linux/mtd/mtd.h>
  14 #include <linux/mtd/partitions.h>
  15 #include <linux/mtd/physmap.h>
  16
  17 #include <asm/mach-ralink/machine.h>
  18 #include <asm/mach-ralink/rt288x.h>
  19 #include <asm/mach-ralink/rt288x_regs.h>
  20
  21 #include "devices.h"
  22
  23 /*
  24  * MTD layout from stock firmware:
  25  * mtd0: 00030000 00010000 "uboot"
  26  * mtd1: 00010000 00010000 "uboot_environ"
  27  * mtd2: 00010000 00010000 "factory_default"
  28  * mtd3: 000b0000 00010000 "linux"
  29  * mtd4: 002f0000 00010000 "rootfs"
  30  * mtd5: 00010000 00010000 "user_property"
  31  */
  32
  33 #ifdef CONFIG_MTD_PARTITIONS
  34 static struct mtd_partition wzr_agl300nh_partitions[] = {
  35         {
  36                 .name   = "uboot",
  37                 .offset = 0,
  38                 .size   = 0x030000,
  39                 .mask_flags = MTD_WRITEABLE,
  40         }, {
  41                 .name   = "uboot_environ",
  42                 .offset = 0x030000,
  43                 .size   = 0x010000,
  44                 .mask_flags = MTD_WRITEABLE,
  45         }, {
  46                 .name   = "factory_default",
  47                 .offset = 0x040000,
  48                 .size   = 0x010000,
  49                 .mask_flags = MTD_WRITEABLE,
  50         }, {
  51                 .name   = "linux",
  52                 .offset = 0x050000,
  53                 .size   = 0x0b0000,
  54         }, {
  55                 .name   = "rootfs",
  56                 .offset = 0x100000,
  57                 .size   = 0x2f0000,
  58         }, {
  59                 .name   = "user_property",
  60                 .offset = 0x3f0000,
  61                 .size   = 0x010000,
  62         }
  63 };
  64 #endif /* CONFIG_MTD_PARTITIONS */
  65
  66 static struct physmap_flash_data wzr_agl300nh_flash_data = {
  67 #ifdef CONFIG_MTD_PARTITIONS
  68         .nr_parts       = ARRAY_SIZE(wzr_agl300nh_partitions),
  69         .parts          = wzr_agl300nh_partitions,
  70 #endif
  71 };
  72
  73 static void __init wzr_agl300nh_init(void)
  74 {
  75         rt288x_gpio_init(RT2880_GPIO_MODE_UART0);
  76
  77         rt288x_register_flash(0, &wzr_agl300nh_flash_data);
  78         rt288x_register_wifi();
  79 }
  80
  81 MIPS_MACHINE(RAMIPS_MACH_WZR_AGL300NH, "WZR-AGL300NH",
  82              "Buffalo WZR-AGL300NH", wzr_agl300nh_init);