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_BUTTONS_POLL_INTERVAL   20
  29
  30 static struct mtd_partition rt_g32b_partitions[] = {
  31         {
  32                 .name   = "u-boot",
  33                 .offset = 0,
  34                 .size   = 0x030000,
  35                 .mask_flags = MTD_WRITEABLE,
  36         }, {
  37                 .name   = "devdata",
  38                 .offset = 0x030000,
  39                 .size   = 0x010000,
  40                 .mask_flags = MTD_WRITEABLE,
  41         }, {
  42                 .name   = "devconf",
  43                 .offset = 0x040000,
  44                 .size   = 0x010000,
  45                 .mask_flags = MTD_WRITEABLE,
  46         }, {
  47                 .name   = "kernel",
  48                 .offset = 0x050000,
  49                 .size   = 0x0d0000,
  50         }, {
  51                 .name   = "rootfs",
  52                 .offset = 0x120000,
  53                 .size   = 0x2e0000,
  54         }, {
  55                 .name   = "firmware",
  56                 .offset = 0x050000,
  57                 .size   = 0x3b0000,
  58         }
  59 };
  60
  61 const struct flash_platform_data rt_g32b_flash = {
  62         .type           = "mx25l3205d",
  63         .parts          = rt_g32b_partitions,
  64         .nr_parts       = ARRAY_SIZE(rt_g32b_partitions),
  65 };
  66
  67 struct spi_board_info __initdata rt_g32b_spi_slave_info[] = {
  68         {
  69                 .modalias       = "m25p80",
  70                 .platform_data  = &rt_g32b_flash,
  71                 .irq            = -1,
  72                 .max_speed_hz   = 10000000,
  73                 .bus_num        = 0,
  74                 .chip_select    = 0,
  75         },
  76 };
  77
  78 static struct gpio_button rt_g32b_gpio_buttons[] __initdata = {
  79         {
  80                 .desc           = "reset",
  81                 .type           = EV_KEY,
  82                 .code           = KEY_RESTART,
  83                 .threshold      = 3,
  84                 .gpio           = RT_G32B_GPIO_BUTTON_RESET,
  85                 .active_low     = 1,
  86         }, {
  87                 .desc           = "wps",
  88                 .type           = EV_KEY,
  89                 .code           = KEY_WPS_BUTTON,
  90                 .threshold      = 3,
  91                 .gpio           = RT_G32B_GPIO_BUTTON_WPS,
  92                 .active_low     = 1,
  93         }
  94 };
  95
  96 static void __init rt_g32b_init(void)
  97 {
  98         rt305x_gpio_init(RT305X_GPIO_MODE_GPIO << RT305X_GPIO_MODE_UART0_SHIFT);
  99         rt305x_register_spi(rt_g32b_spi_slave_info,
 100                             ARRAY_SIZE(rt_g32b_spi_slave_info));
 101
 102         rt305x_esw_data.vlan_config = RT305X_ESW_VLAN_CONFIG_LLLLW;
 103         rt305x_register_ethernet();
 104         ramips_register_gpio_buttons(-1, RT_G32B_BUTTONS_POLL_INTERVAL,
 105                                      ARRAY_SIZE(rt_g32b_gpio_buttons),
 106                                      rt_g32b_gpio_buttons);
 107         rt305x_register_wifi();
 108         rt305x_register_wdt();
 109 }
 110
 111 MIPS_MACHINE(RAMIPS_MACH_RT_G32_B1, "RT-G32-B1", "Asus RT-G32 B1",
 112              rt_g32b_init);