target/linux/ramips/files/arch/mips/ralink/rt288x/mach-wli-tx4-ag300n.c

   1 /*
   2  *  Buffalo WLI-TX4-AG300N board support
   3  *
   4  *  Copyright (C) 2011 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/ethtool.h>
  13 #include <linux/platform_device.h>
  14 #include <linux/mtd/mtd.h>
  15 #include <linux/mtd/partitions.h>
  16 #include <linux/mtd/physmap.h>
  17
  18 #include <asm/mach-ralink/machine.h>
  19 #include <asm/mach-ralink/dev-gpio-buttons.h>
  20 #include <asm/mach-ralink/dev-gpio-leds.h>
  21 #include <asm/mach-ralink/rt288x.h>
  22 #include <asm/mach-ralink/rt288x_regs.h>
  23 #include <asm/mach-ralink/ramips_eth_platform.h>
  24
  25 #include "devices.h"
  26
  27 #define WLI_TX4_AG300N_GPIO_LED_DIAG            10
  28 #define WLI_TX4_AG300N_GPIO_LED_POWER           12
  29 #define WLI_TX4_AG300N_GPIO_LED_SECURITY        13
  30
  31 #define WLI_TX4_AG300N_GPIO_BUTTON_AOSS         0
  32 #define WLI_TX4_AG300N_GPIO_BUTTON_BW_SWITCH    8
  33 #define WLI_TX4_AG300N_GPIO_BUTTON_RESET        9
  34
  35 #define WLI_TX4_AG300N_KEYS_POLL_INTERVAL       20
  36 #define WLI_TX4_AG300N_KEYS_DEBOUNCE_INTERVAL   (3 * WLI_TX4_AG300N_KEYS_POLL_INTERVAL)
  37
  38 static struct mtd_partition wli_tx4_ag300n_partitions[] = {
  39         {
  40                 .name   = "u-boot",
  41                 .offset = 0,
  42                 .size   = 0x030000,
  43                 .mask_flags = MTD_WRITEABLE,
  44         },
  45         {
  46                 .name   = "u-boot-env",
  47                 .offset = 0x030000,
  48                 .size   = 0x010000,
  49                 .mask_flags = MTD_WRITEABLE,
  50         },
  51         {
  52                 .name   = "factory",
  53                 .offset = 0x040000,
  54                 .size   = 0x010000,
  55                 .mask_flags = MTD_WRITEABLE,
  56         },
  57         {
  58                 .name   = "kernel",
  59                 .offset = 0x050000,
  60                 .size   = 0x0d0000,
  61         },
  62         {
  63                 .name   = "rootfs",
  64                 .offset = 0x120000,
  65                 .size   = 0x2d0000,
  66         },
  67         {
  68                 .name   = "user",
  69                 .offset = 0x3f0000,
  70                 .size   = 0x010000,
  71         },
  72         {
  73                 .name   = "firmware",
  74                 .offset = 0x050000,
  75                 .size   = 0x3a0000,
  76         },
  77 };
  78
  79 static struct gpio_led wli_tx4_ag300n_leds_gpio[] __initdata = {
  80         {
  81                 .name           = "buffalo:blue:power",
  82                 .gpio           = WLI_TX4_AG300N_GPIO_LED_POWER,
  83                 .active_low     = 1,
  84         },
  85         {
  86                 .name           = "buffalo:red:diag",
  87                 .gpio           = WLI_TX4_AG300N_GPIO_LED_DIAG,
  88                 .active_low     = 1,
  89         },
  90         {
  91                 .name           = "buffalo:blue:security",
  92                 .gpio           = WLI_TX4_AG300N_GPIO_LED_SECURITY,
  93                 .active_low     = 0,
  94         },
  95 };
  96
  97 static struct gpio_keys_button wli_tx4_ag300n_gpio_buttons[] __initdata = {
  98         {
  99                 .desc           = "Reset button",
 100                 .type           = EV_KEY,
 101                 .code           = KEY_RESTART,
 102                 .debounce_interval = WLI_TX4_AG300N_KEYS_DEBOUNCE_INTERVAL,
 103                 .gpio           = WLI_TX4_AG300N_GPIO_BUTTON_RESET,
 104                 .active_low     = 1,
 105         },
 106         {
 107                 .desc           = "AOSS button",
 108                 .type           = EV_KEY,
 109                 .code           = KEY_WPS_BUTTON,
 110                 .debounce_interval = WLI_TX4_AG300N_KEYS_DEBOUNCE_INTERVAL,
 111                 .gpio           = WLI_TX4_AG300N_GPIO_BUTTON_AOSS,
 112                 .active_low     = 1,
 113         },
 114         {
 115                 .desc           = "Bandwidth switch",
 116                 .type           = EV_KEY,
 117                 .code           = BTN_0,
 118                 .debounce_interval = WLI_TX4_AG300N_KEYS_DEBOUNCE_INTERVAL,
 119                 .gpio           = WLI_TX4_AG300N_GPIO_BUTTON_BW_SWITCH,
 120                 .active_low     = 0,
 121         },
 122 };
 123
 124 static void __init wli_tx4_ag300n_init(void)
 125 {
 126         rt288x_gpio_init(RT2880_GPIO_MODE_UART0);
 127
 128         ramips_register_gpio_leds(-1, ARRAY_SIZE(wli_tx4_ag300n_leds_gpio),
 129                                   wli_tx4_ag300n_leds_gpio);
 130         ramips_register_gpio_buttons(-1, WLI_TX4_AG300N_KEYS_POLL_INTERVAL,
 131                                      ARRAY_SIZE(wli_tx4_ag300n_gpio_buttons),
 132                                      wli_tx4_ag300n_gpio_buttons);
 133
 134         rt288x_flash0_data.nr_parts = ARRAY_SIZE(wli_tx4_ag300n_partitions);
 135         rt288x_flash0_data.parts = wli_tx4_ag300n_partitions;
 136         rt288x_register_flash(0);
 137
 138         rt288x_register_wifi();
 139         rt288x_register_wdt();
 140
 141         rt288x_eth_data.speed = SPEED_100;
 142         rt288x_eth_data.duplex = DUPLEX_FULL;
 143         rt288x_eth_data.tx_fc = 1;
 144         rt288x_eth_data.rx_fc = 1;
 145         rt288x_register_ethernet();
 146 }
 147
 148 MIPS_MACHINE(RAMIPS_MACH_WLI_TX4_AG300N, "WLI-TX4-AG300N",
 149              "Buffalo WLI-TX4-AG300N", wli_tx4_ag300n_init);