target/linux/ar71xx/files/arch/mips/ar71xx/mach-ap81.c

   1 /*
   2  *  Atheros AP81 board support
   3  *
   4  *  Copyright (C) 2009 Gabor Juhos <juhosg@openwrt.org>
   5  *  Copyright (C) 2009 Imre Kaloz <kaloz@openwrt.org>
   6  *
   7  *  This program is free software; you can redistribute it and/or modify it
   8  *  under the terms of the GNU General Public License version 2 as published
   9  *  by the Free Software Foundation.
  10  */
  11
  12 #include <linux/mtd/mtd.h>
  13 #include <linux/mtd/partitions.h>
  14
  15 #include <asm/mach-ar71xx/ar71xx.h>
  16
  17 #include "machtype.h"
  18 #include "devices.h"
  19 #include "dev-m25p80.h"
  20 #include "dev-ar9xxx-wmac.h"
  21 #include "dev-gpio-buttons.h"
  22 #include "dev-leds-gpio.h"
  23 #include "dev-usb.h"
  24
  25 #define AP81_GPIO_LED_STATUS    1
  26 #define AP81_GPIO_LED_AOSS      3
  27 #define AP81_GPIO_LED_WLAN      6
  28 #define AP81_GPIO_LED_POWER     14
  29
  30 #define AP81_GPIO_BTN_SW4       12
  31 #define AP81_GPIO_BTN_SW1       21
  32
  33 #define AP81_KEYS_POLL_INTERVAL         20 /* msecs */
  34 #define AP81_KEYS_DEBOUNCE_INTERVAL     (3 * AP81_KEYS_POLL_INTERVAL)
  35
  36 #ifdef CONFIG_MTD_PARTITIONS
  37 static struct mtd_partition ap81_partitions[] = {
  38         {
  39                 .name           = "u-boot",
  40                 .offset         = 0,
  41                 .size           = 0x040000,
  42                 .mask_flags     = MTD_WRITEABLE,
  43         }, {
  44                 .name           = "u-boot-env",
  45                 .offset         = 0x040000,
  46                 .size           = 0x010000,
  47         }, {
  48                 .name           = "rootfs",
  49                 .offset         = 0x050000,
  50                 .size           = 0x500000,
  51         }, {
  52                 .name           = "uImage",
  53                 .offset         = 0x550000,
  54                 .size           = 0x100000,
  55         }, {
  56                 .name           = "ART",
  57                 .offset         = 0x650000,
  58                 .size           = 0x1b0000,
  59                 .mask_flags     = MTD_WRITEABLE,
  60         }
  61 };
  62 #endif /* CONFIG_MTD_PARTITIONS */
  63
  64 static struct flash_platform_data ap81_flash_data = {
  65 #ifdef CONFIG_MTD_PARTITIONS
  66         .parts          = ap81_partitions,
  67         .nr_parts       = ARRAY_SIZE(ap81_partitions),
  68 #endif
  69 };
  70
  71 static struct gpio_led ap81_leds_gpio[] __initdata = {
  72         {
  73                 .name           = "ap81:green:status",
  74                 .gpio           = AP81_GPIO_LED_STATUS,
  75                 .active_low     = 1,
  76         }, {
  77                 .name           = "ap81:amber:aoss",
  78                 .gpio           = AP81_GPIO_LED_AOSS,
  79                 .active_low     = 1,
  80         }, {
  81                 .name           = "ap81:green:wlan",
  82                 .gpio           = AP81_GPIO_LED_WLAN,
  83                 .active_low     = 1,
  84         }, {
  85                 .name           = "ap81:green:power",
  86                 .gpio           = AP81_GPIO_LED_POWER,
  87                 .active_low     = 1,
  88         }
  89 };
  90
  91 static struct gpio_keys_button ap81_gpio_keys[] __initdata = {
  92         {
  93                 .desc           = "sw1",
  94                 .type           = EV_KEY,
  95                 .code           = BTN_0,
  96                 .debounce_interval = AP81_KEYS_DEBOUNCE_INTERVAL,
  97                 .gpio           = AP81_GPIO_BTN_SW1,
  98                 .active_low     = 1,
  99         }, {
 100                 .desc           = "sw4",
 101                 .type           = EV_KEY,
 102                 .code           = BTN_1,
 103                 .debounce_interval = AP81_KEYS_DEBOUNCE_INTERVAL,
 104                 .gpio           = AP81_GPIO_BTN_SW4,
 105                 .active_low     = 1,
 106         }
 107 };
 108
 109 static void __init ap81_setup(void)
 110 {
 111         u8 *eeprom = (u8 *) KSEG1ADDR(0x1fff1000);
 112
 113         ar71xx_add_device_mdio(0x0);
 114
 115         ar71xx_init_mac(ar71xx_eth0_data.mac_addr, eeprom, 0);
 116         ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
 117         ar71xx_eth0_data.speed = SPEED_100;
 118         ar71xx_eth0_data.duplex = DUPLEX_FULL;
 119         ar71xx_eth0_data.has_ar8216 = 1;
 120
 121         ar71xx_init_mac(ar71xx_eth1_data.mac_addr, eeprom, 1);
 122         ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
 123         ar71xx_eth1_data.phy_mask = 0x10;
 124
 125         ar71xx_add_device_eth(0);
 126         ar71xx_add_device_eth(1);
 127
 128         ar71xx_add_device_usb();
 129
 130         ar71xx_add_device_m25p80(&ap81_flash_data);
 131
 132         ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(ap81_leds_gpio),
 133                                         ap81_leds_gpio);
 134
 135         ar71xx_register_gpio_keys_polled(-1, AP81_KEYS_POLL_INTERVAL,
 136                                          ARRAY_SIZE(ap81_gpio_keys),
 137                                          ap81_gpio_keys);
 138
 139         ar9xxx_add_device_wmac(eeprom, NULL);
 140 }
 141
 142 MIPS_MACHINE(AR71XX_MACH_AP81, "AP81", "Atheros AP81", ap81_setup);