target/linux/ramips/files/arch/mips/ralink/rt305x/mach-pwh2004.c

   1 /*
   2  *  Prolink PWH2004 support (or Abocom WR5205)
   3  *
   4  *  Copyright (C) 2010 Esa Hyytia <esa@netlab.tkk.fi>
   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 PWH2004_GPIO_BUTTON_WPS         12
  26 #define PWH2004_GPIO_LED_POWER          9
  27 #define PWH2004_GPIO_LED_WIFI           14
  28 #define PWH2004_BUTTONS_POLL_INTERVAL   20
  29
  30 #ifdef CONFIG_MTD_PARTITIONS
  31 static struct mtd_partition pwh2004_partitions[] = {
  32         {
  33                 .name   = "u-boot",
  34                 .offset = 0,
  35                 .size   = 0x030000,
  36                 .mask_flags = MTD_WRITEABLE,
  37         }, {
  38                 .name   = "config",
  39                 .offset = 0x030000,
  40                 .size   = 0x010000,
  41                 .mask_flags = MTD_WRITEABLE,
  42         }, {
  43                 .name   = "factory",
  44                 .offset = 0x040000,
  45                 .size   = 0x010000,
  46                 .mask_flags = MTD_WRITEABLE,
  47         }, {
  48                 .name   = "kernel",
  49                 .offset = 0x050000,
  50                 .size   = 0x7b0000,
  51         }, {
  52                 .name   = "firmware",
  53                 .offset = 0x050000,
  54                 .size   = 0x7b0000,
  55         }
  56 };
  57 #endif /* CONFIG_MTD_PARTITIONS */
  58
  59 static struct physmap_flash_data pwh2004_flash_data = {
  60 #ifdef CONFIG_MTD_PARTITIONS
  61         .nr_parts       = ARRAY_SIZE(pwh2004_partitions),
  62         .parts          = pwh2004_partitions,
  63 #endif
  64 };
  65
  66 static struct gpio_led pwh2004_leds_gpio[] __initdata = {
  67         {
  68                 .name           = "pwh2004:red:wifi",
  69                 .gpio           = PWH2004_GPIO_LED_WIFI,
  70                 .active_low     = 1,
  71         }, {
  72                 .name           = "pwh2004:green:power",
  73                 .gpio           = PWH2004_GPIO_LED_POWER,
  74                 .active_low     = 1,
  75         }
  76 };
  77
  78 static struct gpio_button pwh2004_gpio_buttons[] __initdata = {
  79         {
  80                 .desc           = "wps",
  81                 .type           = EV_KEY,
  82                 .code           = KEY_RESTART,
  83                 .threshold      = 3,
  84                 .gpio           = PWH2004_GPIO_BUTTON_WPS,
  85                 .active_low     = 1,
  86         }
  87 };
  88
  89 static void __init pwh2004_init(void)
  90 {
  91         rt305x_gpio_init(RT305X_GPIO_MODE_GPIO << RT305X_GPIO_MODE_UART0_SHIFT);
  92         rt305x_register_flash(0, &pwh2004_flash_data);
  93         ramips_register_gpio_leds(-1, ARRAY_SIZE(pwh2004_leds_gpio),
  94                                   pwh2004_leds_gpio);
  95         ramips_register_gpio_buttons(-1, PWH2004_BUTTONS_POLL_INTERVAL,
  96                                      ARRAY_SIZE(pwh2004_gpio_buttons),
  97                                      pwh2004_gpio_buttons);
  98         rt305x_register_ethernet();
  99         rt305x_register_wifi();
 100         rt305x_register_wdt();
 101 }
 102
 103 MIPS_MACHINE(RAMIPS_MACH_PWH2004, "PWH2004", "Prolink PWH2004",
 104              pwh2004_init);