target/linux/ramips/files/arch/mips/ralink/rt305x/mach-w502u.c

   1 /*
   2  *  ALFA Networks W502U 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/platform_device.h>
  13 #include <linux/mtd/mtd.h>
  14 #include <linux/mtd/partitions.h>
  15 #include <linux/mtd/physmap.h>
  16
  17 #include <asm/mach-ralink/machine.h>
  18 #include <asm/mach-ralink/dev-gpio-buttons.h>
  19 #include <asm/mach-ralink/dev-gpio-leds.h>
  20 #include <asm/mach-ralink/rt305x.h>
  21 #include <asm/mach-ralink/rt305x_regs.h>
  22
  23 #include "devices.h"
  24
  25 #define W502U_GPIO_LED_USB              13
  26 #define W502U_GPIO_LED_WPS              14
  27
  28 #define W502U_GPIO_BUTTON_WPS           0
  29 #define W502U_GPIO_BUTTON_RESET         10
  30
  31 #define W502U_KEYS_POLL_INTERVAL        20
  32 #define W502U_KEYS_DEBOUNCE_INTERVAL    (3 * W502U_KEYS_POLL_INTERVAL)
  33
  34 static struct mtd_partition w502u_partitions[] = {
  35         {
  36                 .name   = "u-boot",
  37                 .offset = 0,
  38                 .size   = 0x030000,
  39                 .mask_flags = MTD_WRITEABLE,
  40         }, {
  41                 .name   = "config",
  42                 .offset = 0x030000,
  43                 .size   = 0x010000,
  44                 .mask_flags = MTD_WRITEABLE,
  45         }, {
  46                 .name   = "factory",
  47                 .offset = 0x040000,
  48                 .size   = 0x010000,
  49                 .mask_flags = MTD_WRITEABLE,
  50         }, {
  51                 .name   = "kernel",
  52                 .offset = 0x050000,
  53                 .size   = 0x0d0000,
  54         }, {
  55                 .name   = "rootfs",
  56                 .offset = 0x120000,
  57                 .size   = 0x6d0000,
  58         }, {
  59                 .name   = "data3g",
  60                 .offset = 0x7f0000,
  61                 .size   = 0x010000,
  62                 .mask_flags = MTD_WRITEABLE,
  63         }, {
  64                 .name   = "firmware",
  65                 .offset = 0x050000,
  66                 .size   = 0x7a0000,
  67         }
  68 };
  69
  70 static struct physmap_flash_data w502u_flash_data = {
  71         .nr_parts       = ARRAY_SIZE(w502u_partitions),
  72         .parts          = w502u_partitions,
  73 };
  74
  75 static struct gpio_led w502u_leds_gpio[] __initdata = {
  76         {
  77                 .name           = "alfa:blue:usb",
  78                 .gpio           = W502U_GPIO_LED_USB,
  79                 .active_low     = 1,
  80         },
  81         {
  82                 .name           = "alfa:blue:wps",
  83                 .gpio           = W502U_GPIO_LED_WPS,
  84                 .active_low     = 1,
  85         },
  86 };
  87
  88 static struct gpio_keys_button w502u_gpio_buttons[] __initdata = {
  89         {
  90                 .desc           = "Reset button",
  91                 .type           = EV_KEY,
  92                 .code           = KEY_RESTART,
  93                 .debounce_interval = W502U_KEYS_DEBOUNCE_INTERVAL,
  94                 .gpio           = W502U_GPIO_BUTTON_RESET,
  95                 .active_low     = 1,
  96         },
  97         {
  98                 .desc           = "WPS button",
  99                 .type           = EV_KEY,
 100                 .code           = KEY_WPS_BUTTON,
 101                 .debounce_interval = W502U_KEYS_DEBOUNCE_INTERVAL,
 102                 .gpio           = W502U_GPIO_BUTTON_WPS,
 103                 .active_low     = 1,
 104         },
 105 };
 106
 107 static void __init w502u_init(void)
 108 {
 109         rt305x_gpio_init((RT305X_GPIO_MODE_GPIO <<
 110                           RT305X_GPIO_MODE_UART0_SHIFT));
 111
 112         rt305x_register_flash(0, &w502u_flash_data);
 113         rt305x_esw_data.vlan_config = RT305X_ESW_VLAN_CONFIG_WLLLL;
 114         rt305x_register_ethernet();
 115         ramips_register_gpio_leds(-1, ARRAY_SIZE(w502u_leds_gpio),
 116                                   w502u_leds_gpio);
 117         ramips_register_gpio_buttons(-1, W502U_KEYS_POLL_INTERVAL,
 118                                      ARRAY_SIZE(w502u_gpio_buttons),
 119                                      w502u_gpio_buttons);
 120         rt305x_register_wifi();
 121         rt305x_register_wdt();
 122         rt305x_register_usb();
 123 }
 124
 125 MIPS_MACHINE(RAMIPS_MACH_W502U, "W502U", "ALFA Networks W502U",
 126               w502u_init);