target/linux/ramips/files/arch/mips/ralink/rt305x/mach-nw718.c

   1 /*
   2  *  Netcore NW718 board support
   3  *
   4  *  Copyright (C) 2011 Gabor Juhos <juhosg@openwrt.org>
   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/spi/spi.h>
  16 #include <linux/spi/flash.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 NW718_GPIO_LED_USB              8
  27 #define NW718_GPIO_LED_CPU              13
  28 #define NW718_GPIO_LED_WPS              14
  29
  30 #define NW718_GPIO_BUTTON_WPS           0
  31 #define NW718_GPIO_BUTTON_RESET         10
  32
  33 #define NW718_GPIO_SPI_CS0              3
  34
  35 #define NW718_BUTTONS_POLL_INTERVAL     20
  36
  37 #ifdef CONFIG_MTD_PARTITIONS
  38 static struct mtd_partition nw718_partitions[] = {
  39         {
  40                 .name   = "u-boot",
  41                 .offset = 0,
  42                 .size   = 0x030000,
  43                 .mask_flags = MTD_WRITEABLE,
  44         }, {
  45                 .name   = "config",
  46                 .offset = 0x030000,
  47                 .size   = 0x020000,
  48                 .mask_flags = MTD_WRITEABLE,
  49         }, {
  50                 .name   = "factory",
  51                 .offset = 0x050000,
  52                 .size   = 0x010000,
  53                 .mask_flags = MTD_WRITEABLE,
  54         }, {
  55                 .name   = "kernel",
  56                 .offset = 0x060000,
  57                 .size   = 0x090000,
  58         }, {
  59                 .name   = "rootfs",
  60                 .offset = 0x150000,
  61                 .size   = 0x2b0000,
  62         }, {
  63                 .name   = "firmware",
  64                 .offset = 0x060000,
  65                 .size   = 0x3a0000,
  66         }
  67 };
  68 #define nw718_nr_parts          ARRAY_SIZE(nw718_partitions)
  69 #else
  70 #define nw718_nr_parts          0
  71 #define nw718_partitions        NULL
  72 #endif /* CONFIG_MTD_PARTITIONS */
  73
  74 static struct flash_platform_data nw718_flash_data = {
  75         .nr_parts       = nw718_nr_parts,
  76         .parts          = nw718_partitions,
  77 };
  78
  79 static struct gpio_led nw718_leds_gpio[] __initdata = {
  80         {
  81                 .name           = "nw718:amber:cpu",
  82                 .gpio           = NW718_GPIO_LED_CPU,
  83                 .active_low     = 1,
  84         }, {
  85                 .name           = "nw718:amber:usb",
  86                 .gpio           = NW718_GPIO_LED_USB,
  87                 .active_low     = 1,
  88         }, {
  89                 .name           = "nw718:amber:wps",
  90                 .gpio           = NW718_GPIO_LED_WPS,
  91                 .active_low     = 1,
  92         }
  93 };
  94
  95 static struct gpio_button nw718_gpio_buttons[] __initdata = {
  96         {
  97                 .desc           = "reset",
  98                 .type           = EV_KEY,
  99                 .code           = KEY_RESTART,
 100                 .threshold      = 3,
 101                 .gpio           = NW718_GPIO_BUTTON_RESET,
 102                 .active_low     = 1,
 103         }, {
 104                 .desc           = "wps",
 105                 .type           = EV_KEY,
 106                 .code           = KEY_WPS_BUTTON,
 107                 .threshold      = 3,
 108                 .gpio           = NW718_GPIO_BUTTON_WPS,
 109                 .active_low     = 1,
 110         }
 111 };
 112
 113 static struct spi_board_info nw718_spi_info[] = {
 114         {
 115                 .bus_num        = 0,
 116                 .chip_select    = 0,
 117                 .max_speed_hz   = 25000000,
 118                 .modalias       = "m25p80",
 119                 .platform_data  = &nw718_flash_data,
 120                 .controller_data = (void *) NW718_GPIO_SPI_CS0,
 121         }
 122 };
 123
 124 static void __init nw718_init(void)
 125 {
 126         rt305x_gpio_init(RT305X_GPIO_MODE_I2C |
 127                          RT305X_GPIO_MODE_GPIO << RT305X_GPIO_MODE_UART0_SHIFT);
 128
 129         rt305x_esw_data.vlan_config = RT305X_ESW_VLAN_CONFIG_LLLLW;
 130         rt305x_register_ethernet();
 131         ramips_register_gpio_leds(-1, ARRAY_SIZE(nw718_leds_gpio),
 132                                   nw718_leds_gpio);
 133         ramips_register_gpio_buttons(-1, NW718_BUTTONS_POLL_INTERVAL,
 134                                      ARRAY_SIZE(nw718_gpio_buttons),
 135                                      nw718_gpio_buttons);
 136         rt305x_register_wifi();
 137         rt305x_register_wdt();
 138         rt305x_register_spi(nw718_spi_info, ARRAY_SIZE(nw718_spi_info));
 139         rt305x_register_usb();
 140 }
 141
 142 MIPS_MACHINE(RAMIPS_MACH_WHR_G300N, "NW718", "Netcore NW718", nw718_init);