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 #include "dev-ar9xxx-wmac.h"
  23 #include "dev-db120-pci.h"
  24
  25 #define DB120_GPIO_LED_USB      11
  26 #define DB120_GPIO_LED_WLAN_5G  12
  27 #define DB120_GPIO_LED_WLAN_2G  13
  28 #define DB120_GPIO_LED_STATUS   14
  29 #define DB120_GPIO_LED_WPS      15
  30
  31 #define DB120_GPIO_BTN_SW1      16
  32
  33 #define DB120_CALDATA_OFFSET    0x1000
  34 #define DB120_WMAC_MAC_OFFSET   0x1002
  35
  36 #define DB120_KEYS_POLL_INTERVAL        20      /* msecs */
  37 #define DB120_KEYS_DEBOUNCE_INTERVAL    (3 * DB120_KEYS_POLL_INTERVAL)
  38
  39 #ifdef CONFIG_MTD_PARTITIONS
  40 static struct mtd_partition db120_partitions[] = {
  41         {
  42                 .name           = "u-boot",
  43                 .offset         = 0,
  44                 .size           = 0x040000,
  45                 .mask_flags     = MTD_WRITEABLE,
  46         }, {
  47                 .name           = "u-boot-env",
  48                 .offset         = 0x040000,
  49                 .size           = 0x010000,
  50         }, {
  51                 .name           = "rootfs",
  52                 .offset         = 0x050000,
  53                 .size           = 0x630000,
  54         }, {
  55                 .name           = "uImage",
  56                 .offset         = 0x680000,
  57                 .size           = 0x160000,
  58         }, {
  59                 .name           = "NVRAM",
  60                 .offset         = 0x7E0000,
  61                 .size           = 0x010000,
  62         }, {
  63                 .name           = "ART",
  64                 .offset         = 0x7F0000,
  65                 .size           = 0x010000,
  66                 .mask_flags     = MTD_WRITEABLE,
  67         }
  68 };
  69 #endif /* CONFIG_MTD_PARTITIONS */
  70
  71 static struct flash_platform_data db120_flash_data = {
  72 #ifdef CONFIG_MTD_PARTITIONS
  73         .parts          = db120_partitions,
  74         .nr_parts       = ARRAY_SIZE(db120_partitions),
  75 #endif
  76 };
  77
  78 static struct gpio_led db120_leds_gpio[] __initdata = {
  79         {
  80                 .name           = "db120:green:status",
  81                 .gpio           = DB120_GPIO_LED_STATUS,
  82                 .active_low     = 1,
  83         }, {
  84                 .name           = "db120:green:wps",
  85                 .gpio           = DB120_GPIO_LED_WPS,
  86                 .active_low     = 1,
  87         }, {
  88                 .name           = "db120:green:wlan-5g",
  89                 .gpio           = DB120_GPIO_LED_WLAN_5G,
  90                 .active_low     = 1,
  91         }, {
  92                 .name           = "db120:green:wlan-2g",
  93                 .gpio           = DB120_GPIO_LED_WLAN_2G,
  94                 .active_low     = 1,
  95         }, {
  96                 .name           = "db120:green:usb",
  97                 .gpio           = DB120_GPIO_LED_USB,
  98                 .active_low     = 1,
  99         }
 100 };
 101
 102 static struct gpio_keys_button db120_gpio_keys[] __initdata = {
 103         {
 104                 .desc           = "sw1",
 105                 .type           = EV_KEY,
 106                 .code           = BTN_0,
 107                 .debounce_interval = DB120_KEYS_DEBOUNCE_INTERVAL,
 108                 .gpio           = DB120_GPIO_BTN_SW1,
 109                 .active_low     = 1,
 110         }
 111 };
 112
 113 static void __init db120_setup(void)
 114 {
 115         u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
 116
 117         ar71xx_add_device_usb();
 118
 119         ar71xx_add_device_m25p80(&db120_flash_data);
 120
 121         ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(db120_leds_gpio),
 122                                         db120_leds_gpio);
 123
 124         ar71xx_register_gpio_keys_polled(-1, DB120_KEYS_POLL_INTERVAL,
 125                                          ARRAY_SIZE(db120_gpio_keys),
 126                                          db120_gpio_keys);
 127
 128         ar9xxx_add_device_wmac(art + DB120_CALDATA_OFFSET,
 129                                 art + DB120_WMAC_MAC_OFFSET);
 130
 131         db120_pci_init();
 132 }
 133
 134 MIPS_MACHINE(AR71XX_MACH_DB120, "DB120", "Atheros DB120", db120_setup);