target/linux/ar71xx/files/arch/mips/ar71xx/mach-tl-wr941nd.c

   1 /*
   2  *  TP-LINK TL-WR941ND board support
   3  *
   4  *  Copyright (C) 2009 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/platform_device.h>
  12 #include <linux/mtd/mtd.h>
  13 #include <linux/mtd/partitions.h>
  14 #include <linux/spi/spi.h>
  15 #include <linux/spi/flash.h>
  16 #include <linux/input.h>
  17
  18 #include <asm/mips_machine.h>
  19
  20 #include <asm/mach-ar71xx/ar71xx.h>
  21
  22 #include "devices.h"
  23
  24 #define TL_WR941ND_GPIO_LED_SYSTEM      2
  25 #define TL_WR941ND_GPIO_LED_QSS         5
  26
  27 #define TL_WR941ND_GPIO_BTN_RESET       3
  28 #define TL_WR941ND_GPIO_BTN_QSS         7
  29
  30 #define TL_WR941ND_BUTTONS_POLL_INTERVAL        20
  31
  32 #ifdef CONFIG_MTD_PARTITIONS
  33 static struct mtd_partition tl_wr941nd_partitions[] = {
  34         {
  35                 .name           = "u-boot",
  36                 .offset         = 0,
  37                 .size           = 0x020000,
  38                 .mask_flags     = MTD_WRITEABLE,
  39         } , {
  40                 .name           = "kernel",
  41                 .offset         = 0x020000,
  42                 .size           = 0x100000,
  43         } , {
  44                 .name           = "rootfs",
  45                 .offset         = 0x120000,
  46                 .size           = 0x2c0000,
  47         } , {
  48                 .name           = "config",
  49                 .offset         = 0x3e0000,
  50                 .size           = 0x010000,
  51         } , {
  52                 .name           = "art",
  53                 .offset         = 0x3f0000,
  54                 .size           = 0x010000,
  55                 .mask_flags     = MTD_WRITEABLE,
  56         } , {
  57                 .name           = "firmware",
  58                 .offset         = 0x020000,
  59                 .size           = 0x3c0000,
  60         }
  61 };
  62 #endif /* CONFIG_MTD_PARTITIONS */
  63
  64 static struct flash_platform_data tl_wr941nd_flash_data = {
  65 #ifdef CONFIG_MTD_PARTITIONS
  66         .parts          = tl_wr941nd_partitions,
  67         .nr_parts       = ARRAY_SIZE(tl_wr941nd_partitions),
  68 #endif
  69 };
  70
  71 static struct spi_board_info tl_wr941nd_spi_info[] = {
  72         {
  73                 .bus_num        = 0,
  74                 .chip_select    = 0,
  75                 .max_speed_hz   = 25000000,
  76                 .modalias       = "m25p80",
  77                 .platform_data  = &tl_wr941nd_flash_data,
  78         }
  79 };
  80
  81 static struct gpio_led tl_wr941nd_leds_gpio[] __initdata = {
  82         {
  83                 .name           = "tl-wr941nd:green:system",
  84                 .gpio           = TL_WR941ND_GPIO_LED_SYSTEM,
  85                 .active_low     = 1,
  86         }, {
  87                 .name           = "tl-wr941nd:red:qss",
  88                 .gpio           = TL_WR941ND_GPIO_LED_QSS,
  89                 .active_low     = 1,
  90         }
  91 };
  92
  93 static struct gpio_button tl_wr941nd_gpio_buttons[] __initdata = {
  94         {
  95                 .desc           = "reset",
  96                 .type           = EV_KEY,
  97                 .code           = BTN_0,
  98                 .threshold      = 5,
  99                 .gpio           = TL_WR941ND_GPIO_BTN_RESET,
 100                 .active_low     = 1,
 101         }, {
 102                 .desc           = "qss",
 103                 .type           = EV_KEY,
 104                 .code           = BTN_1,
 105                 .threshold      = 5,
 106                 .gpio           = TL_WR941ND_GPIO_BTN_QSS,
 107                 .active_low     = 1,
 108         }
 109 };
 110
 111 static void __init tl_wr941nd_setup(void)
 112 {
 113         u8 *mac = (u8 *) KSEG1ADDR(0x1f01fc00);
 114
 115         ar71xx_set_mac_base(mac);
 116
 117         ar71xx_add_device_mdio(0x0);
 118
 119         ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
 120         ar71xx_eth0_data.phy_mask = 0x0;
 121         ar71xx_eth0_data.speed = SPEED_100;
 122         ar71xx_eth0_data.duplex = DUPLEX_FULL;
 123
 124         ar71xx_add_device_eth(0);
 125
 126         ar71xx_add_device_spi(NULL, tl_wr941nd_spi_info,
 127                                         ARRAY_SIZE(tl_wr941nd_spi_info));
 128
 129         ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(tl_wr941nd_leds_gpio),
 130                                         tl_wr941nd_leds_gpio);
 131
 132         ar71xx_add_device_gpio_buttons(-1, TL_WR941ND_BUTTONS_POLL_INTERVAL,
 133                                         ARRAY_SIZE(tl_wr941nd_gpio_buttons),
 134                                         tl_wr941nd_gpio_buttons);
 135         ar91xx_add_device_wmac();
 136 }
 137
 138 MIPS_MACHINE(AR71XX_MACH_TL_WR941ND, "TP-LINK TL-WR941ND", tl_wr941nd_setup);