target/linux/ramips/files/arch/mips/ralink/rt305x/mach-dir-300-revb.c

   1 /*
   2  *  D-Link DIR-300 rev B board support
   3  *
   4  *  Copyright (C) 2009 Gabor Juhos <juhosg@openwrt.org>
   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 #include <linux/leds.h>
  17
  18 #include <asm/mips_machine.h>
  19 #include <asm/mach-ralink/machine.h>
  20 #include <asm/mach-ralink/dev_gpio_leds.h>
  21 #include <asm/mach-ralink/rt305x.h>
  22 #include <asm/mach-ralink/rt305x_regs.h>
  23
  24 #include "devices.h"
  25
  26 #define DIR_300B_GPIO_LED_STATUS_AMBER  8
  27 #define DIR_300B_GPIO_LED_STATUS_GREEN  9
  28 #define DIR_300B_GPIO_LED_WPS           13
  29
  30 #define DIR_300B_GPIO_BUTTON_WPS        0       /* active low */
  31 #define DIR_300B_GPIO_BUTTON_RESET      10      /* active low */
  32
  33 #ifdef CONFIG_MTD_PARTITIONS
  34 static struct mtd_partition dir_300b_partitions[] = {
  35         {
  36                 .name   = "u-boot",
  37                 .offset = 0,
  38                 .size   = 0x030000,
  39                 .mask_flags = MTD_WRITEABLE,
  40         }, {
  41                 .name   = "devdata",
  42                 .offset = 0x030000,
  43                 .size   = 0x010000,
  44                 .mask_flags = MTD_WRITEABLE,
  45         }, {
  46                 .name   = "devconf",
  47                 .offset = 0x040000,
  48                 .size   = 0x010000,
  49                 .mask_flags = MTD_WRITEABLE,
  50         }, {
  51                 .name   = "kernel",
  52                 .offset = 0x050000,
  53                 .size   = 0x090000,
  54         }, {
  55                 .name   = "rootfs",
  56                 .offset = 0x140000,
  57                 .size   = 0x2B0000,
  58         }, {
  59                 .name   = "openwrt",
  60                 .offset = 0x050000,
  61                 .size   = 0x3a0000,
  62         }
  63 };
  64 #endif /* CONFIG_MTD_PARTITIONS */
  65
  66 static struct physmap_flash_data dir_300b_flash_data = {
  67 #ifdef CONFIG_MTD_PARTITIONS
  68         .nr_parts       = ARRAY_SIZE(dir_300b_partitions),
  69         .parts          = dir_300b_partitions,
  70 #endif
  71 };
  72
  73 static struct gpio_led dir_300b_leds_gpio[] __initdata = {
  74         {
  75                 .name           = "dir-300b:amber:status",
  76                 .gpio           = DIR_300B_GPIO_LED_STATUS_AMBER,
  77                 .active_low     = 1,
  78         }, {
  79                 .name           = "dir-300b:green:status",
  80                 .gpio           = DIR_300B_GPIO_LED_STATUS_GREEN,
  81                 .active_low     = 1,
  82         }, {
  83                 .name           = "dir-300b:blue:wps",
  84                 .gpio           = DIR_300B_GPIO_LED_WPS,
  85                 .active_low     = 1,
  86         }
  87 };
  88
  89 static void __init dir_300b_init(void)
  90 {
  91         rt305x_gpio_init(RT305X_GPIO_MODE_GPIO << RT305X_GPIO_MODE_UART0_SHIFT);
  92
  93         rt305x_register_flash(0, &dir_300b_flash_data);
  94         rt305x_register_ethernet();
  95         ramips_register_gpio_leds(-1, ARRAY_SIZE(dir_300b_leds_gpio),
  96                                   dir_300b_leds_gpio);
  97 }
  98
  99 MIPS_MACHINE(RAMIPS_MACH_DIR_300_REVB, "D-Link DIR-300 revB", dir_300b_init);