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_BUTTONS_POLL_INTERVAL       20
  29
  30 #ifdef CONFIG_MTD_PARTITIONS
  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 #endif /* CONFIG_MTD_PARTITIONS */
  62
  63 static struct physmap_flash_data bc2_flash_data = {
  64 #ifdef CONFIG_MTD_PARTITIONS
  65         .nr_parts       = ARRAY_SIZE(bc2_partitions),
  66         .parts          = bc2_partitions,
  67 #endif
  68 };
  69
  70 static struct gpio_led bc2_leds_gpio[] __initdata = {
  71         {
  72                 .name           = "bc2:blue:usb",
  73                 .gpio           = BC2_GPIO_LED_USB,
  74                 .active_low     = 1,
  75         }
  76 };
  77
  78 static struct gpio_button bc2_gpio_buttons[] __initdata = {
  79         {
  80                 .desc           = "reset",
  81                 .type           = EV_KEY,
  82                 .code           = KEY_RESTART,
  83                 .threshold      = 3,
  84                 .gpio           = BC2_GPIO_BUTTON_RESET,
  85                 .active_low     = 1,
  86         }
  87 };
  88
  89 static void __init bc2_init(void)
  90 {
  91         rt305x_gpio_init((RT305X_GPIO_MODE_GPIO <<
  92                           RT305X_GPIO_MODE_UART0_SHIFT) |
  93                           RT305X_GPIO_MODE_JTAG);
  94
  95         rt305x_register_flash(0, &bc2_flash_data);
  96
  97         ramips_register_gpio_leds(-1, ARRAY_SIZE(bc2_leds_gpio),
  98                                   bc2_leds_gpio);
  99
 100         ramips_register_gpio_buttons(-1, BC2_BUTTONS_POLL_INTERVAL,
 101                                      ARRAY_SIZE(bc2_gpio_buttons),
 102                                      bc2_gpio_buttons);
 103
 104         rt305x_esw_data.vlan_config = RT305X_ESW_VLAN_CONFIG_LLLLW;
 105         rt305x_register_ethernet();
 106         rt305x_register_wifi();
 107         rt305x_register_wdt();
 108         rt305x_register_usb();
 109 }
 110
 111 MIPS_MACHINE(RAMIPS_MACH_BC2, "BC2", "NexAira BC2",
 112              bc2_init);