target/linux/ramips/files/arch/mips/ralink/rt305x/mach-rt-g32-revb.c

   1 /*
   2  *  Asus RT-G32 rev B board support
   3  *
   4  *  Copyright (C) 2011 Sergiy <piratfm@gmail.com>
   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/spi/spi.h>
  14 #include <linux/spi/flash.h>
  15 #include <linux/mtd/mtd.h>
  16 #include <linux/mtd/partitions.h>
  17
  18 #include <asm/mach-ralink/machine.h>
  19 #include <asm/mach-ralink/dev-gpio-buttons.h>
  20 #include <asm/mach-ralink/rt305x.h>
  21 #include <asm/mach-ralink/rt305x_regs.h>
  22
  23 #include "devices.h"
  24
  25 #define RT_G32B_GPIO_BUTTON_WPS         0       /* active low */
  26 #define RT_G32B_GPIO_BUTTON_RESET       10      /* active low */
  27
  28 #define RT_G32B_KEYS_POLL_INTERVAL      20
  29 #define RT_G32B_KEYS_DEBOUNCE_INTERVAL  (3 * RT_G32B_KEYS_POLL_INTERVAL)
  30
  31 static struct mtd_partition rt_g32b_partitions[] = {
  32         {
  33                 .name   = "u-boot",
  34                 .offset = 0,
  35                 .size   = 0x030000,
  36                 .mask_flags = MTD_WRITEABLE,
  37         }, {
  38                 .name   = "devdata",
  39                 .offset = 0x030000,
  40                 .size   = 0x010000,
  41                 .mask_flags = MTD_WRITEABLE,
  42         }, {
  43                 .name   = "devconf",
  44                 .offset = 0x040000,
  45                 .size   = 0x010000,
  46                 .mask_flags = MTD_WRITEABLE,
  47         }, {
  48                 .name   = "kernel",
  49                 .offset = 0x050000,
  50                 .size   = 0x0d0000,
  51         }, {
  52                 .name   = "rootfs",
  53                 .offset = 0x120000,
  54                 .size   = 0x2e0000,
  55         }, {
  56                 .name   = "firmware",
  57                 .offset = 0x050000,
  58                 .size   = 0x3b0000,
  59         }
  60 };
  61
  62 const struct flash_platform_data rt_g32b_flash = {
  63         .type           = "mx25l3205d",
  64         .parts          = rt_g32b_partitions,
  65         .nr_parts       = ARRAY_SIZE(rt_g32b_partitions),
  66 };
  67
  68 struct spi_board_info __initdata rt_g32b_spi_slave_info[] = {
  69         {
  70                 .modalias       = "m25p80",
  71                 .platform_data  = &rt_g32b_flash,
  72                 .irq            = -1,
  73                 .max_speed_hz   = 10000000,
  74                 .bus_num        = 0,
  75                 .chip_select    = 0,
  76         },
  77 };
  78
  79 static struct gpio_keys_button rt_g32b_gpio_buttons[] __initdata = {
  80         {
  81                 .desc           = "reset",
  82                 .type           = EV_KEY,
  83                 .code           = KEY_RESTART,
  84                 .debounce_interval = RT_G32B_KEYS_DEBOUNCE_INTERVAL,
  85                 .gpio           = RT_G32B_GPIO_BUTTON_RESET,
  86                 .active_low     = 1,
  87         }, {
  88                 .desc           = "wps",
  89                 .type           = EV_KEY,
  90                 .code           = KEY_WPS_BUTTON,
  91                 .debounce_interval = RT_G32B_KEYS_DEBOUNCE_INTERVAL,
  92                 .gpio           = RT_G32B_GPIO_BUTTON_WPS,
  93                 .active_low     = 1,
  94         }
  95 };
  96
  97 static void __init rt_g32b_init(void)
  98 {
  99         rt305x_gpio_init(RT305X_GPIO_MODE_GPIO << RT305X_GPIO_MODE_UART0_SHIFT);
 100         rt305x_register_spi(rt_g32b_spi_slave_info,
 101                             ARRAY_SIZE(rt_g32b_spi_slave_info));
 102
 103         rt305x_esw_data.vlan_config = RT305X_ESW_VLAN_CONFIG_LLLLW;
 104         rt305x_register_ethernet();
 105         ramips_register_gpio_buttons(-1, RT_G32B_KEYS_POLL_INTERVAL,
 106                                      ARRAY_SIZE(rt_g32b_gpio_buttons),
 107                                      rt_g32b_gpio_buttons);
 108         rt305x_register_wifi();
 109         rt305x_register_wdt();
 110 }
 111
 112 MIPS_MACHINE(RAMIPS_MACH_RT_G32_B1, "RT-G32-B1", "Asus RT-G32 B1",
 113              rt_g32b_init);