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_KEYS_POLL_INTERVAL        20
  36 #define NW718_KEYS_DEBOUNCE_INTERVAL    (3 * NW718_KEYS_POLL_INTERVAL)
  37
  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
  69 static struct flash_platform_data nw718_flash_data = {
  70         .nr_parts       = ARRAY_SIZE(nw718_partitions),
  71         .parts          = nw718_partitions,
  72 };
  73
  74 static struct gpio_led nw718_leds_gpio[] __initdata = {
  75         {
  76                 .name           = "nw718:amber:cpu",
  77                 .gpio           = NW718_GPIO_LED_CPU,
  78                 .active_low     = 1,
  79         }, {
  80                 .name           = "nw718:amber:usb",
  81                 .gpio           = NW718_GPIO_LED_USB,
  82                 .active_low     = 1,
  83         }, {
  84                 .name           = "nw718:amber:wps",
  85                 .gpio           = NW718_GPIO_LED_WPS,
  86                 .active_low     = 1,
  87         }
  88 };
  89
  90 static struct gpio_keys_button nw718_gpio_buttons[] __initdata = {
  91         {
  92                 .desc           = "reset",
  93                 .type           = EV_KEY,
  94                 .code           = KEY_RESTART,
  95                 .debounce_interval = NW718_KEYS_DEBOUNCE_INTERVAL,
  96                 .gpio           = NW718_GPIO_BUTTON_RESET,
  97                 .active_low     = 1,
  98         }, {
  99                 .desc           = "wps",
 100                 .type           = EV_KEY,
 101                 .code           = KEY_WPS_BUTTON,
 102                 .debounce_interval = NW718_KEYS_DEBOUNCE_INTERVAL,
 103                 .gpio           = NW718_GPIO_BUTTON_WPS,
 104                 .active_low     = 1,
 105         }
 106 };
 107
 108 static struct spi_board_info nw718_spi_info[] = {
 109         {
 110                 .bus_num        = 0,
 111                 .chip_select    = 0,
 112                 .max_speed_hz   = 25000000,
 113                 .modalias       = "m25p80",
 114                 .platform_data  = &nw718_flash_data,
 115                 .controller_data = (void *) NW718_GPIO_SPI_CS0,
 116         }
 117 };
 118
 119 static void __init nw718_init(void)
 120 {
 121         rt305x_gpio_init(RT305X_GPIO_MODE_I2C |
 122                          RT305X_GPIO_MODE_GPIO << RT305X_GPIO_MODE_UART0_SHIFT);
 123
 124         rt305x_esw_data.vlan_config = RT305X_ESW_VLAN_CONFIG_LLLLW;
 125         rt305x_register_ethernet();
 126         ramips_register_gpio_leds(-1, ARRAY_SIZE(nw718_leds_gpio),
 127                                   nw718_leds_gpio);
 128         ramips_register_gpio_buttons(-1, NW718_KEYS_POLL_INTERVAL,
 129                                      ARRAY_SIZE(nw718_gpio_buttons),
 130                                      nw718_gpio_buttons);
 131         rt305x_register_wifi();
 132         rt305x_register_wdt();
 133         rt305x_register_spi(nw718_spi_info, ARRAY_SIZE(nw718_spi_info));
 134         rt305x_register_usb();
 135 }
 136
 137 MIPS_MACHINE(RAMIPS_MACH_WHR_G300N, "NW718", "Netcore NW718", nw718_init);