target/linux/ar71xx/files/arch/mips/ar71xx/mach-db120.c

   1 /*
   2  *  Atheros DB120 board (WASP SoC) support
   3  *
   4  *  Copyright (C) 2010-2011 Jaiganesh Narayanan <jnarayanan@atheros.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/mtd/mtd.h>
  12 #include <linux/mtd/partitions.h>
  13
  14 #include <asm/mach-ar71xx/ar71xx.h>
  15
  16 #include "machtype.h"
  17 #include "devices.h"
  18 #include "dev-m25p80.h"
  19 #include "dev-gpio-buttons.h"
  20 #include "dev-leds-gpio.h"
  21 #include "dev-usb.h"
  22
  23 #define DB120_GPIO_LED_USB      11
  24 #define DB120_GPIO_LED_WLAN_5G  12
  25 #define DB120_GPIO_LED_WLAN_2G  13
  26 #define DB120_GPIO_LED_STATUS   14
  27 #define DB120_GPIO_LED_WPS      15
  28
  29 #define DB120_GPIO_BTN_SW1      16
  30
  31 #define DB120_BUTTONS_POLL_INTERVAL     20
  32
  33 #ifdef CONFIG_MTD_PARTITIONS
  34 static struct mtd_partition db120_partitions[] = {
  35         {
  36                 .name           = "u-boot",
  37                 .offset         = 0,
  38                 .size           = 0x040000,
  39                 .mask_flags     = MTD_WRITEABLE,
  40         }, {
  41                 .name           = "u-boot-env",
  42                 .offset         = 0x040000,
  43                 .size           = 0x010000,
  44         }, {
  45                 .name           = "rootfs",
  46                 .offset         = 0x050000,
  47                 .size           = 0x630000,
  48         }, {
  49                 .name           = "uImage",
  50                 .offset         = 0x680000,
  51                 .size           = 0x160000,
  52         }, {
  53                 .name           = "NVRAM",
  54                 .offset         = 0x7E0000,
  55                 .size           = 0x010000,
  56         }, {
  57                 .name           = "ART",
  58                 .offset         = 0x7F0000,
  59                 .size           = 0x010000,
  60                 .mask_flags     = MTD_WRITEABLE,
  61         }
  62 };
  63 #endif /* CONFIG_MTD_PARTITIONS */
  64
  65 static struct flash_platform_data db120_flash_data = {
  66 #ifdef CONFIG_MTD_PARTITIONS
  67         .parts          = db120_partitions,
  68         .nr_parts       = ARRAY_SIZE(db120_partitions),
  69 #endif
  70 };
  71
  72 static struct gpio_led db120_leds_gpio[] __initdata = {
  73         {
  74                 .name           = "db120:green:status",
  75                 .gpio           = DB120_GPIO_LED_STATUS,
  76                 .active_low     = 1,
  77         }, {
  78                 .name           = "db120:green:wps",
  79                 .gpio           = DB120_GPIO_LED_WPS,
  80                 .active_low     = 1,
  81         }, {
  82                 .name           = "db120:green:wlan-5g",
  83                 .gpio           = DB120_GPIO_LED_WLAN_5G,
  84                 .active_low     = 1,
  85         }, {
  86                 .name           = "db120:green:wlan-2g",
  87                 .gpio           = DB120_GPIO_LED_WLAN_2G,
  88                 .active_low     = 1,
  89         }, {
  90                 .name           = "db120:green:usb",
  91                 .gpio           = DB120_GPIO_LED_USB,
  92                 .active_low     = 1,
  93         }
  94 };
  95
  96 static struct gpio_button db120_gpio_buttons[] __initdata = {
  97         {
  98                 .desc           = "sw1",
  99                 .type           = EV_KEY,
 100                 .code           = BTN_0,
 101                 .threshold      = 3,
 102                 .gpio           = DB120_GPIO_BTN_SW1,
 103                 .active_low     = 1,
 104         }
 105 };
 106
 107 static void __init db120_setup(void)
 108 {
 109         ar71xx_add_device_usb();
 110
 111         ar71xx_add_device_m25p80(&db120_flash_data);
 112
 113         ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(db120_leds_gpio),
 114                                         db120_leds_gpio);
 115
 116         ar71xx_add_device_gpio_buttons(-1, DB120_BUTTONS_POLL_INTERVAL,
 117                                         ARRAY_SIZE(db120_gpio_buttons),
 118                                         db120_gpio_buttons);
 119 }
 120
 121 MIPS_MACHINE(AR71XX_MACH_DB120, "DB120", "Atheros DB120", db120_setup);