target/linux/ramips/files/arch/mips/ralink/rt305x/mach-hw550-3g.c

   1 /*
   2  *  Aztech HW550-3G board support
   3  *
   4  *  Copyright (C) 2011 Layne Edwards <ledwards76@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 HW550_3G_GPIO_LED_USB           8
  26 #define HW550_3G_GPIO_LED_3G            11
  27 #define HW550_3G_GPIO_LED_STATUS        12
  28 #define HW550_3G_GPIO_LED_WPS           14
  29
  30 #define HW550_3G_GPIO_BUTTON_RESET      10
  31 #define HW550_3G_GPIO_BUTTON_CONNECT    7
  32 #define HW550_3G_GPIO_BUTTON_WPS        0
  33
  34 #define HW550_3G_BUTTONS_POLL_INTERVAL  20
  35
  36 #ifdef CONFIG_MTD_PARTITIONS
  37 static struct mtd_partition hw550_3g_partitions[] = {
  38         {
  39                 .name   = "u-boot",
  40                 .offset = 0,
  41                 .size   = 0x030000,
  42                 .mask_flags = MTD_WRITEABLE,
  43         }, {
  44                 .name   = "config",
  45                 .offset = 0x030000,
  46                 .size   = 0x010000,
  47                 .mask_flags = MTD_WRITEABLE,
  48         }, {
  49                 .name   = "factory",
  50                 .offset = 0x040000,
  51                 .size   = 0x010000,
  52                 .mask_flags = MTD_WRITEABLE,
  53         }, {
  54                 .name   = "kernel",
  55                 .offset = 0x050000,
  56                 .size   = 0x0d0000,
  57         }, {
  58                 .name   = "rootfs",
  59                 .offset = 0x120000,
  60                 .size   = 0x6e0000,
  61         }, {
  62                 .name   = "firmware",
  63                 .offset = 0x050000,
  64                 .size   = 0x7b0000,
  65         }
  66 };
  67 #endif /* CONFIG_MTD_PARTITIONS */
  68
  69 static struct physmap_flash_data hw550_3g_flash_data = {
  70 #ifdef CONFIG_MTD_PARTITIONS
  71         .nr_parts       = ARRAY_SIZE(hw550_3g_partitions),
  72         .parts          = hw550_3g_partitions,
  73 #endif
  74 };
  75
  76 static struct gpio_led hw550_3g_leds_gpio[] __initdata = {
  77         {
  78                 .name           = "hw550-3g:green:usb",
  79                 .gpio           = HW550_3G_GPIO_LED_USB,
  80                 .active_low     = 1,
  81         }, {
  82                 .name           = "hw550-3g:green:3g",
  83                 .gpio           = HW550_3G_GPIO_LED_3G,
  84                 .active_low     = 1,
  85         }, {
  86                 .name           = "hw550-3g:green:status",
  87                 .gpio           = HW550_3G_GPIO_LED_STATUS,
  88                 .active_low     = 1,
  89         }, {
  90                 .name           = "hw550-3g:green:wps",
  91                 .gpio           = HW550_3G_GPIO_LED_WPS,
  92                 .active_low     = 1,
  93         }
  94 };
  95
  96 static struct gpio_button hw550_3g_gpio_buttons[] __initdata = {
  97         {
  98                 .desc           = "reset",
  99                 .type           = EV_KEY,
 100                 .code           = KEY_RESTART,
 101                 .threshold      = 3,
 102                 .gpio           = HW550_3G_GPIO_BUTTON_RESET,
 103                 .active_low     = 1,
 104         }, {
 105                 .desc           = "connect",
 106                 .type           = EV_KEY,
 107                 .code           = KEY_CONNECT,
 108                 .threshold      = 3,
 109                 .gpio           = HW550_3G_GPIO_BUTTON_CONNECT,
 110                 .active_low     = 1,
 111         }, {
 112                 .desc           = "wps",
 113                 .type           = EV_KEY,
 114                 .code           = KEY_WPS_BUTTON,
 115                 .threshold      = 3,
 116                 .gpio           = HW550_3G_GPIO_BUTTON_WPS,
 117                 .active_low     = 1,
 118         }
 119 };
 120
 121 #define HW550_3G_GPIO_MODE \
 122         ((RT305X_GPIO_MODE_GPIO << RT305X_GPIO_MODE_UART0_SHIFT) | \
 123          RT305X_GPIO_MODE_MDIO)
 124
 125 static void __init hw550_3g_init(void)
 126 {
 127         rt305x_gpio_init(HW550_3G_GPIO_MODE);
 128
 129         rt305x_register_flash(0, &hw550_3g_flash_data);
 130         rt305x_register_ethernet();
 131         ramips_register_gpio_leds(-1, ARRAY_SIZE(hw550_3g_leds_gpio),
 132                                   hw550_3g_leds_gpio);
 133         ramips_register_gpio_buttons(-1, HW550_3G_BUTTONS_POLL_INTERVAL,
 134                                      ARRAY_SIZE(hw550_3g_gpio_buttons),
 135                                      hw550_3g_gpio_buttons);
 136         rt305x_register_wifi();
 137         rt305x_register_wdt();
 138 }
 139
 140 MIPS_MACHINE(RAMIPS_MACH_HW550_3G, "HW550-3G", "Aztech HW550-3G",
 141              hw550_3g_init);