target/linux/ramips/files/arch/mips/ralink/rt305x/mach-v22rw-2x2.c

   1 /*
   2  *  Ralink AP-RT3052-V22RW-2X2 board support
   3  *
   4  *  Copyright (C) 2009-2010 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 V22RW_2X2_GPIO_BUTTON_WPS       0
  26 #define V22RW_2X2_GPIO_BUTTON_SWRST     10
  27 #define V22RW_2X2_GPIO_LED_SECURITY     13
  28 #define V22RW_2X2_GPIO_LED_WPS          14
  29
  30 #define V22RW_2X2_BUTTONS_POLL_INTERVAL 20
  31
  32 #ifdef CONFIG_MTD_PARTITIONS
  33 static struct mtd_partition v22rw_2x2_partitions[] = {
  34         {
  35                 .name   = "u-boot",
  36                 .offset = 0,
  37                 .size   = 0x030000,
  38                 .mask_flags = MTD_WRITEABLE,
  39         }, {
  40                 .name   = "u-boot-env",
  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   = 0x0a0000,
  53         }, {
  54                 .name   = "rootfs",
  55                 .offset = 0x150000,
  56                 .size   = 0x2b0000,
  57         }, {
  58                 .name   = "openwrt",
  59                 .offset = 0x050000,
  60                 .size   = 0x3b0000,
  61         }
  62 };
  63 #endif /* CONFIG_MTD_PARTITIONS */
  64
  65 static struct physmap_flash_data v22rw_2x2_flash_data = {
  66 #ifdef CONFIG_MTD_PARTITIONS
  67         .nr_parts       = ARRAY_SIZE(v22rw_2x2_partitions),
  68         .parts          = v22rw_2x2_partitions,
  69 #endif
  70 };
  71
  72 static struct gpio_led v22rw_2x2_leds_gpio[] __initdata = {
  73         {
  74                 .name           = "v22rw-2x2:green:security",
  75                 .gpio           = V22RW_2X2_GPIO_LED_SECURITY,
  76                 .active_low     = 1,
  77         }, {
  78                 .name           = "v22rw-2x2:red:wps",
  79                 .gpio           = V22RW_2X2_GPIO_LED_WPS,
  80                 .active_low     = 1,
  81         }
  82 };
  83
  84 static struct gpio_button v22rw_2x2_gpio_buttons[] __initdata = {
  85         {
  86                 .desc           = "reset",
  87                 .type           = EV_KEY,
  88                 .code           = BTN_0,
  89                 .threshold      = 3,
  90                 .gpio           = V22RW_2X2_GPIO_BUTTON_SWRST,
  91                 .active_low     = 1,
  92         }, {
  93                 .desc           = "wps",
  94                 .type           = EV_KEY,
  95                 .code           = BTN_1,
  96                 .threshold      = 3,
  97                 .gpio           = V22RW_2X2_GPIO_BUTTON_WPS,
  98                 .active_low     = 1,
  99         }
 100 };
 101
 102 static void __init v22rw_2x2_init(void)
 103 {
 104         rt305x_gpio_init(RT305X_GPIO_MODE_GPIO << RT305X_GPIO_MODE_UART0_SHIFT);
 105
 106         rt305x_register_flash(0, &v22rw_2x2_flash_data);
 107         rt305x_register_ethernet();
 108         ramips_register_gpio_leds(-1, ARRAY_SIZE(v22rw_2x2_leds_gpio),
 109                                   v22rw_2x2_leds_gpio);
 110         ramips_register_gpio_buttons(-1, V22RW_2X2_BUTTONS_POLL_INTERVAL,
 111                                      ARRAY_SIZE(v22rw_2x2_gpio_buttons),
 112                                      v22rw_2x2_gpio_buttons);
 113 }
 114
 115 MIPS_MACHINE(RAMIPS_MACH_V22RW_2X2, "V22RW-2X2", "Ralink AP-RT3052-V22RW-2X2",
 116              v22rw_2x2_init);