target/linux/ramips/files/arch/mips/ralink/rt305x/mach-all0256n.c

   1 /*
   2  *  Allnet ALL0256N board support
   3  *
   4  *  Copyright (C) 2012 Daniel Golle <dgolle@allnet.de>
   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/spi/spi.h>
  14 #include <linux/spi/flash.h>
  15 #include <linux/mtd/mtd.h>
  16 #include <linux/mtd/partitions.h>
  17 #include <linux/mtd/physmap.h>
  18
  19 #include <asm/mach-ralink/machine.h>
  20 #include <asm/mach-ralink/dev-gpio-buttons.h>
  21 #include <asm/mach-ralink/dev-gpio-leds.h>
  22 #include <asm/mach-ralink/rt305x.h>
  23 #include <asm/mach-ralink/rt305x_regs.h>
  24
  25 #include "devices.h"
  26
  27 #define ALL0256N_GPIO_BUTTON_RESET 0
  28 #define ALL0256N_GPIO_LED_RSSI_LOW 14
  29 #define ALL0256N_GPIO_LED_RSSI_MED 12
  30 #define ALL0256N_GPIO_LED_RSSI_HIGH 13
  31 #define ALL0256N_KEYS_POLL_INTERVAL 20
  32 #define ALL0256N_KEYS_DEBOUNCE_INTERVAL (3 * ALL0256N_KEYS_POLL_INTERVAL)
  33
  34 static struct mtd_partition all0256n_partitions[] = {
  35         {
  36                 .name   = "u-boot",
  37                 .offset = 0,
  38                 .size   = 0x030000,
  39                 .mask_flags = MTD_WRITEABLE,
  40         }, {
  41                 .name   = "u-boot-env",
  42                 .offset = 0x030000,
  43                 .size   = 0x010000,
  44         }, {
  45                 .name   = "factory",
  46                 .offset = 0x040000,
  47                 .size   = 0x010000,
  48         }, {
  49                 .name   = "kernel",
  50                 .offset = 0x050000,
  51                 .size   = 0x0D0000,
  52         }, {
  53                 .name   = "rootfs",
  54                 .offset = 0x120000,
  55                 .size   = 0x2E0000,
  56         }, {
  57                 .name   = "firmware",
  58                 .offset = 0x050000,
  59                 .size   = 0x3B0000,
  60         }
  61 };
  62
  63 const struct flash_platform_data all0256n_flash = {
  64         .type           = "mx25l3205d",
  65         .parts          = all0256n_partitions,
  66         .nr_parts       = ARRAY_SIZE(all0256n_partitions),
  67 };
  68
  69 struct spi_board_info all0256n_spi_slave_info[] __initdata = {
  70         {
  71                 .modalias       = "m25p80",
  72                 .platform_data  = &all0256n_flash,
  73                 .irq            = -1,
  74                 .max_speed_hz   = 10000000,
  75                 .bus_num        = 0,
  76                 .chip_select    = 0,
  77         },
  78 };
  79
  80 static struct gpio_keys_button all0256n_gpio_buttons[] __initdata = {
  81         {
  82                 .desc           = "reset",
  83                 .type           = EV_KEY,
  84                 .code           = KEY_RESTART,
  85                 .debounce_interval = ALL0256N_KEYS_DEBOUNCE_INTERVAL,
  86                 .gpio           = ALL0256N_GPIO_BUTTON_RESET,
  87                 .active_low     = 1,
  88         }
  89 };
  90
  91 static struct gpio_led all0256n_leds_gpio[] __initdata = {
  92         {
  93                 .name           = "all0256n:green:rssilow",
  94                 .gpio           = ALL0256N_GPIO_LED_RSSI_LOW,
  95                 .active_low     = 1,
  96         }, {
  97                 .name           = "all0256n:green:rssimed",
  98                 .gpio           = ALL0256N_GPIO_LED_RSSI_MED,
  99                 .active_low     = 1,
 100         }, {
 101                 .name           = "all0256n:green:rssihigh",
 102                 .gpio           = ALL0256N_GPIO_LED_RSSI_HIGH,
 103                 .active_low     = 1,
 104         }
 105 };
 106
 107 static void __init all0256n_init(void)
 108 {
 109         rt305x_gpio_init(RT305X_GPIO_MODE_GPIO << RT305X_GPIO_MODE_UART0_SHIFT);
 110         rt305x_register_spi(all0256n_spi_slave_info,
 111                             ARRAY_SIZE(all0256n_spi_slave_info));
 112         rt305x_esw_data.vlan_config = RT305X_ESW_VLAN_CONFIG_WLLLL;
 113         rt305x_register_ethernet();
 114         ramips_register_gpio_leds(-1, ARRAY_SIZE(all0256n_leds_gpio),
 115                                   all0256n_leds_gpio);
 116         ramips_register_gpio_buttons(-1, ALL0256N_KEYS_POLL_INTERVAL,
 117                                      ARRAY_SIZE(all0256n_gpio_buttons),
 118                                      all0256n_gpio_buttons);
 119         rt305x_register_wifi();
 120         rt305x_register_wdt();
 121 }
 122
 123 MIPS_MACHINE(RAMIPS_MACH_ALL0256N, "ALL0256N", "Allnet ALL0256N",
 124              all0256n_init);