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           = 0x120000,
  43         } , {
  44                 .name           = "rootfs",
  45                 .offset         = 0x140000,
  46                 .size           = 0x2b0000,
  47         } , {
  48                 .name           = "art",
  49                 .offset         = 0x3f0000,
  50                 .size           = 0x010000,
  51                 .mask_flags     = MTD_WRITEABLE,
  52         } , {
  53                 .name           = "firmware",
  54                 .offset         = 0x020000,
  55                 .size           = 0x3d0000,
  56         }
  57 };
  58 #endif /* CONFIG_MTD_PARTITIONS */
  59
  60 static struct flash_platform_data tl_wr941nd_flash_data = {
  61 #ifdef CONFIG_MTD_PARTITIONS
  62         .parts          = tl_wr941nd_partitions,
  63         .nr_parts       = ARRAY_SIZE(tl_wr941nd_partitions),
  64 #endif
  65 };
  66
  67 static struct spi_board_info tl_wr941nd_spi_info[] = {
  68         {
  69                 .bus_num        = 0,
  70                 .chip_select    = 0,
  71                 .max_speed_hz   = 25000000,
  72                 .modalias       = "m25p80",
  73                 .platform_data  = &tl_wr941nd_flash_data,
  74         }
  75 };
  76
  77 static struct gpio_led tl_wr941nd_leds_gpio[] __initdata = {
  78         {
  79                 .name           = "tl-wr941nd:green:system",
  80                 .gpio           = TL_WR941ND_GPIO_LED_SYSTEM,
  81                 .active_low     = 1,
  82         }, {
  83                 .name           = "tl-wr941nd:red:qss",
  84                 .gpio           = TL_WR941ND_GPIO_LED_QSS,
  85                 .active_low     = 1,
  86         }
  87 };
  88
  89 static struct gpio_button tl_wr941nd_gpio_buttons[] __initdata = {
  90         {
  91                 .desc           = "reset",
  92                 .type           = EV_KEY,
  93                 .code           = BTN_0,
  94                 .threshold      = 5,
  95                 .gpio           = TL_WR941ND_GPIO_BTN_RESET,
  96                 .active_low     = 1,
  97         }, {
  98                 .desc           = "qss",
  99                 .type           = EV_KEY,
 100                 .code           = BTN_1,
 101                 .threshold      = 5,
 102                 .gpio           = TL_WR941ND_GPIO_BTN_QSS,
 103                 .active_low     = 1,
 104         }
 105 };
 106
 107 static struct dsa_platform_data tl_wr941nd_dsa_data = {
 108         .port_names[0]  = "wan",
 109         .port_names[1]  = "lan1",
 110         .port_names[2]  = "lan2",
 111         .port_names[3]  = "lan3",
 112         .port_names[4]  = "lan4",
 113         .port_names[5]  = "cpu",
 114 };
 115
 116 static void __init tl_wr941nd_setup(void)
 117 {
 118         u8 *mac = (u8 *) KSEG1ADDR(0x1f01fc00);
 119
 120         ar71xx_set_mac_base(mac);
 121
 122         ar71xx_add_device_mdio(0x0);
 123
 124         ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
 125         ar71xx_eth0_data.phy_mask = 0x0;
 126         ar71xx_eth0_data.speed = SPEED_100;
 127         ar71xx_eth0_data.duplex = DUPLEX_FULL;
 128
 129         ar71xx_add_device_eth(0);
 130         ar71xx_add_device_dsa(0, &tl_wr941nd_dsa_data);
 131
 132         ar71xx_add_device_spi(NULL, tl_wr941nd_spi_info,
 133                                         ARRAY_SIZE(tl_wr941nd_spi_info));
 134
 135         ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(tl_wr941nd_leds_gpio),
 136                                         tl_wr941nd_leds_gpio);
 137
 138         ar71xx_add_device_gpio_buttons(-1, TL_WR941ND_BUTTONS_POLL_INTERVAL,
 139                                         ARRAY_SIZE(tl_wr941nd_gpio_buttons),
 140                                         tl_wr941nd_gpio_buttons);
 141         ar91xx_add_device_wmac();
 142 }
 143
 144 MIPS_MACHINE(AR71XX_MACH_TL_WR941ND, "TP-LINK TL-WR941ND", tl_wr941nd_setup);