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) 2009-2010 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
  17 #include <asm/mach-ralink/machine.h>
  18 #include <asm/mach-ralink/dev-gpio-buttons.h>
  19 #include <asm/mach-ralink/dev-gpio-leds.h>
  20 #include <asm/mach-ralink/rt305x.h>
  21 #include <asm/mach-ralink/rt305x_regs.h>
  22
  23 #include "devices.h"
  24
  25 #define DIR_300B_GPIO_LED_STATUS_AMBER  8
  26 #define DIR_300B_GPIO_LED_STATUS_GREEN  9
  27 #define DIR_300B_GPIO_LED_WPS           13
  28
  29 #define DIR_300B_GPIO_BUTTON_WPS        0       /* active low */
  30 #define DIR_300B_GPIO_BUTTON_RESET      10      /* active low */
  31
  32 #define DIR_300B_BUTTONS_POLL_INTERVAL  20
  33
  34 #ifdef CONFIG_MTD_PARTITIONS
  35 static struct mtd_partition dir_300b_partitions[] = {
  36         {
  37                 .name   = "u-boot",
  38                 .offset = 0,
  39                 .size   = 0x030000,
  40                 .mask_flags = MTD_WRITEABLE,
  41         }, {
  42                 .name   = "devdata",
  43                 .offset = 0x030000,
  44                 .size   = 0x010000,
  45                 .mask_flags = MTD_WRITEABLE,
  46         }, {
  47                 .name   = "devconf",
  48                 .offset = 0x040000,
  49                 .size   = 0x010000,
  50                 .mask_flags = MTD_WRITEABLE,
  51         }, {
  52                 .name   = "kernel",
  53                 .offset = 0x050000,
  54                 .size   = 0x0d0000,
  55         }, {
  56                 .name   = "rootfs",
  57                 .offset = 0x120000,
  58                 .size   = 0x2e0000,
  59         }, {
  60                 .name   = "firmware",
  61                 .offset = 0x050000,
  62                 .size   = 0x3b0000,
  63         }
  64 };
  65 #endif /* CONFIG_MTD_PARTITIONS */
  66
  67 static struct physmap_flash_data dir_300b_flash_data = {
  68 #ifdef CONFIG_MTD_PARTITIONS
  69         .nr_parts       = ARRAY_SIZE(dir_300b_partitions),
  70         .parts          = dir_300b_partitions,
  71 #endif
  72 };
  73
  74 static struct gpio_led dir_300b_leds_gpio[] __initdata = {
  75         {
  76                 .name           = "d-link:amber:status",
  77                 .gpio           = DIR_300B_GPIO_LED_STATUS_AMBER,
  78                 .active_low     = 1,
  79         }, {
  80                 .name           = "d-link:green:status",
  81                 .gpio           = DIR_300B_GPIO_LED_STATUS_GREEN,
  82                 .active_low     = 1,
  83         }, {
  84                 .name           = "d-link:blue:wps",
  85                 .gpio           = DIR_300B_GPIO_LED_WPS,
  86                 .active_low     = 1,
  87         }
  88 };
  89
  90 static struct gpio_button dir_300b_gpio_buttons[] __initdata = {
  91         {
  92                 .desc           = "reset",
  93                 .type           = EV_KEY,
  94                 .code           = KEY_RESTART,
  95                 .threshold      = 3,
  96                 .gpio           = DIR_300B_GPIO_BUTTON_RESET,
  97                 .active_low     = 1,
  98         }, {
  99                 .desc           = "wps",
 100                 .type           = EV_KEY,
 101                 .code           = KEY_WPS_BUTTON,
 102                 .threshold      = 3,
 103                 .gpio           = DIR_300B_GPIO_BUTTON_WPS,
 104                 .active_low     = 1,
 105         }
 106 };
 107
 108 static void __init dir_300b_init(void)
 109 {
 110         rt305x_gpio_init(RT305X_GPIO_MODE_GPIO << RT305X_GPIO_MODE_UART0_SHIFT);
 111
 112         rt305x_register_flash(0, &dir_300b_flash_data);
 113         rt305x_register_ethernet();
 114         ramips_register_gpio_leds(-1, ARRAY_SIZE(dir_300b_leds_gpio),
 115                                   dir_300b_leds_gpio);
 116         ramips_register_gpio_buttons(-1, DIR_300B_BUTTONS_POLL_INTERVAL,
 117                                      ARRAY_SIZE(dir_300b_gpio_buttons),
 118                                      dir_300b_gpio_buttons);
 119         rt305x_register_wifi();
 120         rt305x_register_wdt();
 121 }
 122
 123 MIPS_MACHINE(RAMIPS_MACH_DIR_300_REVB, "DIR-300-revB", "D-Link DIR-300 revB",
 124              dir_300b_init);