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

   1 /*
   2  *  Omnima MiniEMBWiFi board support
   3  *
   4  *  Copyright (C) 2011 Johnathan Boyce <jon.boyce@globalreach.eu.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 #include <linux/gpio.h>
  17
  18 #include <asm/mach-ralink/machine.h>
  19 #include <asm/mach-ralink/dev-gpio-buttons.h>
  20 #include <asm/mach-ralink/dev-gpio-leds.h>
  21 #include <asm/mach-ralink/rt305x.h>
  22 #include <asm/mach-ralink/rt305x_regs.h>
  23
  24 #include "devices.h"
  25
  26 #define OMNI_EMB_GPIO_BUTTON_RESET      12 /* active low */
  27
  28 #define OMNI_EMB_KEYS_POLL_INTERVAL     20
  29 #define OMNI_EMB_KEYS_DEBOUNCE_INTERVAL (3 * OMNI_EMB_KEYS_POLL_INTERVAL)
  30
  31 #define OMNI_EMB_GPIO_LED_STATUS        9
  32 #define OMNI_EMB_GPIO_LED_WLAN          14
  33
  34 static struct mtd_partition emb_partitions[] = {
  35         {
  36                 .name   = "uboot",
  37                 .offset = 0,
  38                 .size   = 0x030000,
  39         }, {
  40                 .name   = "uboot-config",
  41                 .offset = 0x030000,
  42                 .size   = 0x040000,
  43                 .mask_flags = MTD_WRITEABLE,
  44         }, {
  45                 .name   = "factory",
  46                 .offset = 0x040000,
  47                 .size   = 0x050000,
  48                 .mask_flags = MTD_WRITEABLE,
  49         }, {
  50                 .name   = "linux",
  51                 .offset = 0x050000,
  52                 .size   = 0x100000,
  53         }, {
  54                 .name   = "rootfs",
  55                 .offset = 0x150000,
  56                 .size   = 0x6B0000,
  57         }, {
  58                 .name   = "firmware",
  59                 .offset = 0x050000,
  60                 .size   = 0x7B0000,
  61         }
  62 };
  63
  64 static struct physmap_flash_data omni_emb_flash_data = {
  65         .nr_parts       = ARRAY_SIZE(emb_partitions),
  66         .parts          = emb_partitions,
  67 };
  68
  69 static struct gpio_led omni_emb_leds_gpio[] __initdata = {
  70         {
  71                 .name           = "emb:green:status",
  72                 .gpio           = OMNI_EMB_GPIO_LED_STATUS,
  73                 .active_low     = 1,
  74         }, {
  75                 .name           = "emb:green:wlan",
  76                 .gpio           = OMNI_EMB_GPIO_LED_WLAN,
  77                 .active_low     = 1,
  78         }
  79 };
  80
  81 static struct gpio_keys_button omni_emb_gpio_buttons[] __initdata = {
  82         {
  83                 .desc           = "reset",
  84                 .type           = EV_KEY,
  85                 .code           = KEY_RESTART,
  86                 .debounce_interval = OMNI_EMB_KEYS_DEBOUNCE_INTERVAL,
  87                 .gpio           = OMNI_EMB_GPIO_BUTTON_RESET,
  88                 .active_low     = 1,
  89         }
  90 };
  91
  92 static void __init omni_emb_init(void)
  93 {
  94         rt305x_esw_data.vlan_config = RT305X_ESW_VLAN_CONFIG_LLLLW;
  95
  96         rt305x_gpio_init(RT305X_GPIO_MODE_GPIO << RT305X_GPIO_MODE_UART0_SHIFT);
  97
  98         ramips_register_gpio_leds(-1, ARRAY_SIZE(omni_emb_leds_gpio),
  99                                 omni_emb_leds_gpio);
 100         ramips_register_gpio_buttons(-1, OMNI_EMB_KEYS_POLL_INTERVAL,
 101                                 ARRAY_SIZE(omni_emb_gpio_buttons),
 102                                 omni_emb_gpio_buttons);
 103
 104         rt305x_register_flash(0, &omni_emb_flash_data);
 105         rt305x_register_ethernet();
 106         rt305x_register_wifi();
 107         rt305x_register_wdt();
 108         rt305x_register_usb();
 109 }
 110
 111 MIPS_MACHINE(RAMIPS_MACH_OMNI_EMB, "OMNI-EMB", "Omnima MiniEMBWiFi",
 112              omni_emb_init);