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-ar934x-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   0x1003
  35
  36 #define DB120_BUTTONS_POLL_INTERVAL     20
  37
  38 #ifdef CONFIG_MTD_PARTITIONS
  39 static struct mtd_partition db120_partitions[] = {
  40         {
  41                 .name           = "u-boot",
  42                 .offset         = 0,
  43                 .size           = 0x040000,
  44                 .mask_flags     = MTD_WRITEABLE,
  45         }, {
  46                 .name           = "u-boot-env",
  47                 .offset         = 0x040000,
  48                 .size           = 0x010000,
  49         }, {
  50                 .name           = "rootfs",
  51                 .offset         = 0x050000,
  52                 .size           = 0x630000,
  53         }, {
  54                 .name           = "uImage",
  55                 .offset         = 0x680000,
  56                 .size           = 0x160000,
  57         }, {
  58                 .name           = "NVRAM",
  59                 .offset         = 0x7E0000,
  60                 .size           = 0x010000,
  61         }, {
  62                 .name           = "ART",
  63                 .offset         = 0x7F0000,
  64                 .size           = 0x010000,
  65                 .mask_flags     = MTD_WRITEABLE,
  66         }
  67 };
  68 #endif /* CONFIG_MTD_PARTITIONS */
  69
  70 static struct flash_platform_data db120_flash_data = {
  71 #ifdef CONFIG_MTD_PARTITIONS
  72         .parts          = db120_partitions,
  73         .nr_parts       = ARRAY_SIZE(db120_partitions),
  74 #endif
  75 };
  76
  77 static struct gpio_led db120_leds_gpio[] __initdata = {
  78         {
  79                 .name           = "db120:green:status",
  80                 .gpio           = DB120_GPIO_LED_STATUS,
  81                 .active_low     = 1,
  82         }, {
  83                 .name           = "db120:green:wps",
  84                 .gpio           = DB120_GPIO_LED_WPS,
  85                 .active_low     = 1,
  86         }, {
  87                 .name           = "db120:green:wlan-5g",
  88                 .gpio           = DB120_GPIO_LED_WLAN_5G,
  89                 .active_low     = 1,
  90         }, {
  91                 .name           = "db120:green:wlan-2g",
  92                 .gpio           = DB120_GPIO_LED_WLAN_2G,
  93                 .active_low     = 1,
  94         }, {
  95                 .name           = "db120:green:usb",
  96                 .gpio           = DB120_GPIO_LED_USB,
  97                 .active_low     = 1,
  98         }
  99 };
 100
 101 static struct gpio_button db120_gpio_buttons[] __initdata = {
 102         {
 103                 .desc           = "sw1",
 104                 .type           = EV_KEY,
 105                 .code           = BTN_0,
 106                 .threshold      = 3,
 107                 .gpio           = DB120_GPIO_BTN_SW1,
 108                 .active_low     = 1,
 109         }
 110 };
 111
 112 static void __init db120_setup(void)
 113 {
 114         u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
 115
 116         ar71xx_add_device_usb();
 117
 118         ar71xx_add_device_m25p80(&db120_flash_data);
 119
 120         ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(db120_leds_gpio),
 121                                         db120_leds_gpio);
 122
 123         ar71xx_add_device_gpio_buttons(-1, DB120_BUTTONS_POLL_INTERVAL,
 124                                         ARRAY_SIZE(db120_gpio_buttons),
 125                                         db120_gpio_buttons);
 126
 127         ar934x_add_device_wmac(art + DB120_CALDATA_OFFSET,
 128                                 art + DB120_WMAC_MAC_OFFSET);
 129
 130         db120_pci_init();
 131 }
 132
 133 MIPS_MACHINE(AR71XX_MACH_DB120, "DB120", "Atheros DB120", db120_setup);