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 #define NW718_GPIO_SPI_SCK              4
  35 #define NW718_GPIO_SPI_MOSI             5
  36 #define NW718_GPIO_SPI_MISO             6
  37
  38 #define NW718_BUTTONS_POLL_INTERVAL     20
  39
  40 #ifdef CONFIG_MTD_PARTITIONS
  41 static struct mtd_partition nw718_partitions[] = {
  42         {
  43                 .name   = "u-boot",
  44                 .offset = 0,
  45                 .size   = 0x030000,
  46                 .mask_flags = MTD_WRITEABLE,
  47         }, {
  48                 .name   = "config",
  49                 .offset = 0x030000,
  50                 .size   = 0x020000,
  51                 .mask_flags = MTD_WRITEABLE,
  52         }, {
  53                 .name   = "factory",
  54                 .offset = 0x050000,
  55                 .size   = 0x010000,
  56                 .mask_flags = MTD_WRITEABLE,
  57         }, {
  58                 .name   = "kernel",
  59                 .offset = 0x060000,
  60                 .size   = 0x090000,
  61         }, {
  62                 .name   = "rootfs",
  63                 .offset = 0x150000,
  64                 .size   = 0x2b0000,
  65         }, {
  66                 .name   = "firmware",
  67                 .offset = 0x060000,
  68                 .size   = 0x3a0000,
  69         }
  70 };
  71 #define nw718_nr_parts          ARRAY_SIZE(nw718_partitions)
  72 #else
  73 #define nw718_nr_parts          0
  74 #define nw718_partitions        NULL
  75 #endif /* CONFIG_MTD_PARTITIONS */
  76
  77 static struct flash_platform_data nw718_flash_data = {
  78         .nr_parts       = nw718_nr_parts,
  79         .parts          = nw718_partitions,
  80 };
  81
  82 static struct gpio_led nw718_leds_gpio[] __initdata = {
  83         {
  84                 .name           = "nw718:amber:cpu",
  85                 .gpio           = NW718_GPIO_LED_CPU,
  86                 .active_low     = 1,
  87         }, {
  88                 .name           = "nw718:amber:usb",
  89                 .gpio           = NW718_GPIO_LED_USB,
  90                 .active_low     = 1,
  91         }, {
  92                 .name           = "nw718:amber:wps",
  93                 .gpio           = NW718_GPIO_LED_WPS,
  94                 .active_low     = 1,
  95         }
  96 };
  97
  98 static struct gpio_button nw718_gpio_buttons[] __initdata = {
  99         {
 100                 .desc           = "reset",
 101                 .type           = EV_KEY,
 102                 .code           = KEY_RESTART,
 103                 .threshold      = 3,
 104                 .gpio           = NW718_GPIO_BUTTON_RESET,
 105                 .active_low     = 1,
 106         }, {
 107                 .desc           = "wps",
 108                 .type           = EV_KEY,
 109                 .code           = KEY_WPS_BUTTON,
 110                 .threshold      = 3,
 111                 .gpio           = NW718_GPIO_BUTTON_WPS,
 112                 .active_low     = 1,
 113         }
 114 };
 115
 116 static struct spi_board_info nw718_spi_info[] = {
 117         {
 118                 .bus_num        = 0,
 119                 .chip_select    = 0,
 120                 .max_speed_hz   = 25000000,
 121                 .modalias       = "m25p80",
 122                 .platform_data  = &nw718_flash_data,
 123                 .controller_data = (void *) NW718_GPIO_SPI_CS0,
 124         }
 125 };
 126
 127 static void __init nw718_init(void)
 128 {
 129         rt305x_gpio_init(RT305X_GPIO_MODE_I2C |
 130                          RT305X_GPIO_MODE_GPIO << RT305X_GPIO_MODE_UART0_SHIFT);
 131
 132         rt305x_register_ethernet();
 133         ramips_register_gpio_leds(-1, ARRAY_SIZE(nw718_leds_gpio),
 134                                   nw718_leds_gpio);
 135         ramips_register_gpio_buttons(-1, NW718_BUTTONS_POLL_INTERVAL,
 136                                      ARRAY_SIZE(nw718_gpio_buttons),
 137                                      nw718_gpio_buttons);
 138         rt305x_register_wifi();
 139         rt305x_register_wdt();
 140         rt305x_register_spi(nw718_spi_info, ARRAY_SIZE(nw718_spi_info));
 141 }
 142
 143 MIPS_MACHINE(RAMIPS_MACH_WHR_G300N, "NW718", "Netcore NW718", nw718_init);