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 gpio_led bc2_leds_gpio[] __initdata = {
  63         {
  64                 .name           = "bc2:blue:usb",
  65                 .gpio           = BC2_GPIO_LED_USB,
  66                 .active_low     = 1,
  67         }
  68 };
  69
  70 static struct gpio_keys_button bc2_gpio_buttons[] __initdata = {
  71         {
  72                 .desc           = "reset",
  73                 .type           = EV_KEY,
  74                 .code           = KEY_RESTART,
  75                 .debounce_interval = BC2_KEYS_DEBOUNCE_INTERVAL,
  76                 .gpio           = BC2_GPIO_BUTTON_RESET,
  77                 .active_low     = 1,
  78         }
  79 };
  80
  81 static void __init bc2_init(void)
  82 {
  83         rt305x_gpio_init((RT305X_GPIO_MODE_GPIO <<
  84                           RT305X_GPIO_MODE_UART0_SHIFT) |
  85                           RT305X_GPIO_MODE_JTAG);
  86
  87         rt305x_flash0_data.nr_parts = ARRAY_SIZE(bc2_partitions);
  88         rt305x_flash0_data.parts = bc2_partitions;
  89         rt305x_register_flash(0);
  90
  91         ramips_register_gpio_leds(-1, ARRAY_SIZE(bc2_leds_gpio),
  92                                   bc2_leds_gpio);
  93
  94         ramips_register_gpio_buttons(-1, BC2_KEYS_POLL_INTERVAL,
  95                                      ARRAY_SIZE(bc2_gpio_buttons),
  96                                      bc2_gpio_buttons);
  97
  98         rt305x_esw_data.vlan_config = RT305X_ESW_VLAN_CONFIG_LLLLW;
  99         rt305x_register_ethernet();
 100         rt305x_register_wifi();
 101         rt305x_register_wdt();
 102         rt305x_register_usb();
 103 }
 104
 105 MIPS_MACHINE(RAMIPS_MACH_BC2, "BC2", "NexAira BC2",
 106              bc2_init);