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_BUTTONS_POLL_INTERVAL     20
  32
  33 static struct mtd_partition w502u_partitions[] = {
  34         {
  35                 .name   = "u-boot",
  36                 .offset = 0,
  37                 .size   = 0x030000,
  38                 .mask_flags = MTD_WRITEABLE,
  39         }, {
  40                 .name   = "config",
  41                 .offset = 0x030000,
  42                 .size   = 0x010000,
  43                 .mask_flags = MTD_WRITEABLE,
  44         }, {
  45                 .name   = "factory",
  46                 .offset = 0x040000,
  47                 .size   = 0x010000,
  48                 .mask_flags = MTD_WRITEABLE,
  49         }, {
  50                 .name   = "kernel",
  51                 .offset = 0x050000,
  52                 .size   = 0x0d0000,
  53         }, {
  54                 .name   = "rootfs",
  55                 .offset = 0x120000,
  56                 .size   = 0x6d0000,
  57         }, {
  58                 .name   = "data3g",
  59                 .offset = 0x7f0000,
  60                 .size   = 0x010000,
  61                 .mask_flags = MTD_WRITEABLE,
  62         }, {
  63                 .name   = "firmware",
  64                 .offset = 0x050000,
  65                 .size   = 0x7a0000,
  66         }
  67 };
  68
  69 static struct physmap_flash_data w502u_flash_data = {
  70         .nr_parts       = ARRAY_SIZE(w502u_partitions),
  71         .parts          = w502u_partitions,
  72 };
  73
  74 static struct gpio_led w502u_leds_gpio[] __initdata = {
  75         {
  76                 .name           = "alfa:blue:usb",
  77                 .gpio           = W502U_GPIO_LED_USB,
  78                 .active_low     = 1,
  79         },
  80         {
  81                 .name           = "alfa:blue:wps",
  82                 .gpio           = W502U_GPIO_LED_WPS,
  83                 .active_low     = 1,
  84         },
  85 };
  86
  87 static struct gpio_button w502u_gpio_buttons[] __initdata = {
  88         {
  89                 .desc           = "Reset button",
  90                 .type           = EV_KEY,
  91                 .code           = KEY_RESTART,
  92                 .threshold      = 3,
  93                 .gpio           = W502U_GPIO_BUTTON_RESET,
  94                 .active_low     = 1,
  95         },
  96         {
  97                 .desc           = "WPS button",
  98                 .type           = EV_KEY,
  99                 .code           = KEY_WPS_BUTTON,
 100                 .threshold      = 3,
 101                 .gpio           = W502U_GPIO_BUTTON_WPS,
 102                 .active_low     = 1,
 103         },
 104 };
 105
 106 static void __init w502u_init(void)
 107 {
 108         rt305x_gpio_init((RT305X_GPIO_MODE_GPIO <<
 109                           RT305X_GPIO_MODE_UART0_SHIFT));
 110
 111         rt305x_register_flash(0, &w502u_flash_data);
 112         rt305x_esw_data.vlan_config = RT305X_ESW_VLAN_CONFIG_WLLLL;
 113         rt305x_register_ethernet();
 114         ramips_register_gpio_leds(-1, ARRAY_SIZE(w502u_leds_gpio),
 115                                   w502u_leds_gpio);
 116         ramips_register_gpio_buttons(-1, W502U_BUTTONS_POLL_INTERVAL,
 117                                      ARRAY_SIZE(w502u_gpio_buttons),
 118                                      w502u_gpio_buttons);
 119         rt305x_register_wifi();
 120         rt305x_register_wdt();
 121         rt305x_register_usb();
 122 }
 123
 124 MIPS_MACHINE(RAMIPS_MACH_W502U, "W502U", "ALFA Networks W502U",
 125               w502u_init);