target/linux/ramips/files/arch/mips/ralink/rt305x/mach-bc2.c

   1 /*
   2  *  NexAira BC2 board support
   3  *
   4  *  Copyright (C) 2011 Adam J. Porter <porter.adam@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/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 BC2_GPIO_BUTTON_RESET           17
  26 #define BC2_GPIO_LED_USB                20
  27
  28 #define BC2_KEYS_POLL_INTERVAL          20
  29 #define BC2_KEYS_DEBOUNCE_INTERVAL      (3 * BC2_KEYS_POLL_INTERVAL)
  30
  31 static struct mtd_partition bc2_partitions[] = {
  32         {
  33                 .name   = "u-boot",
  34                 .offset = 0,
  35                 .size   = 0x030000,
  36                 .mask_flags = MTD_WRITEABLE,
  37         }, {
  38                 .name   = "u-boot-env",
  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   = 0x0a0000,
  51         }, {
  52                 .name   = "rootfs",
  53                 .offset = 0x150000,
  54                 .size   = 0x6b0000,
  55         }, {
  56                 .name   = "firmware",
  57                 .offset = 0x050000,
  58                 .size   = 0x7b0000,
  59         }
  60 };
  61
  62 static struct physmap_flash_data bc2_flash_data = {
  63         .nr_parts       = ARRAY_SIZE(bc2_partitions),
  64         .parts          = bc2_partitions,
  65 };
  66
  67 static struct gpio_led bc2_leds_gpio[] __initdata = {
  68         {
  69                 .name           = "bc2:blue:usb",
  70                 .gpio           = BC2_GPIO_LED_USB,
  71                 .active_low     = 1,
  72         }
  73 };
  74
  75 static struct gpio_keys_button bc2_gpio_buttons[] __initdata = {
  76         {
  77                 .desc           = "reset",
  78                 .type           = EV_KEY,
  79                 .code           = KEY_RESTART,
  80                 .debounce_interval = BC2_KEYS_DEBOUNCE_INTERVAL,
  81                 .gpio           = BC2_GPIO_BUTTON_RESET,
  82                 .active_low     = 1,
  83         }
  84 };
  85
  86 static void __init bc2_init(void)
  87 {
  88         rt305x_gpio_init((RT305X_GPIO_MODE_GPIO <<
  89                           RT305X_GPIO_MODE_UART0_SHIFT) |
  90                           RT305X_GPIO_MODE_JTAG);
  91
  92         rt305x_register_flash(0, &bc2_flash_data);
  93
  94         ramips_register_gpio_leds(-1, ARRAY_SIZE(bc2_leds_gpio),
  95                                   bc2_leds_gpio);
  96
  97         ramips_register_gpio_buttons(-1, BC2_KEYS_POLL_INTERVAL,
  98                                      ARRAY_SIZE(bc2_gpio_buttons),
  99                                      bc2_gpio_buttons);
 100
 101         rt305x_esw_data.vlan_config = RT305X_ESW_VLAN_CONFIG_LLLLW;
 102         rt305x_register_ethernet();
 103         rt305x_register_wifi();
 104         rt305x_register_wdt();
 105         rt305x_register_usb();
 106 }
 107
 108 MIPS_MACHINE(RAMIPS_MACH_BC2, "BC2", "NexAira BC2",
 109              bc2_init);