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

   1 /*
   2  *  TP-LINK TL-WR941ND board support
   3  *
   4  *  Copyright (C) 2009-2010 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/mtd/mtd.h>
  12 #include <linux/mtd/partitions.h>
  13 #include <linux/platform_device.h>
  14
  15 #include <asm/mach-ar71xx/ar71xx.h>
  16
  17 #include "machtype.h"
  18 #include "devices.h"
  19 #include "dev-dsa.h"
  20 #include "dev-m25p80.h"
  21 #include "dev-ar9xxx-wmac.h"
  22 #include "dev-gpio-buttons.h"
  23 #include "dev-leds-gpio.h"
  24
  25 #define TL_WR941ND_GPIO_LED_SYSTEM      2
  26 #define TL_WR941ND_GPIO_LED_QSS_RED     4
  27 #define TL_WR941ND_GPIO_LED_QSS_GREEN   5
  28 #define TL_WR941ND_GPIO_LED_WLAN        9
  29
  30 #define TL_WR941ND_GPIO_BTN_RESET       3
  31 #define TL_WR941ND_GPIO_BTN_QSS         7
  32
  33 #define TL_WR941ND_KEYS_POLL_INTERVAL   20      /* msecs */
  34 #define TL_WR941ND_KEYS_DEBOUNCE_INTERVAL (3 * TL_WR941ND_KEYS_POLL_INTERVAL)
  35
  36 #ifdef CONFIG_MTD_PARTITIONS
  37 static struct mtd_partition tl_wr941nd_partitions[] = {
  38         {
  39                 .name           = "u-boot",
  40                 .offset         = 0,
  41                 .size           = 0x020000,
  42                 .mask_flags     = MTD_WRITEABLE,
  43         }, {
  44                 .name           = "kernel",
  45                 .offset         = 0x020000,
  46                 .size           = 0x140000,
  47         }, {
  48                 .name           = "rootfs",
  49                 .offset         = 0x160000,
  50                 .size           = 0x290000,
  51         }, {
  52                 .name           = "art",
  53                 .offset         = 0x3f0000,
  54                 .size           = 0x010000,
  55                 .mask_flags     = MTD_WRITEABLE,
  56         }, {
  57                 .name           = "firmware",
  58                 .offset         = 0x020000,
  59                 .size           = 0x3d0000,
  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 gpio_led tl_wr941nd_leds_gpio[] __initdata = {
  72         {
  73                 .name           = "tp-link:green:system",
  74                 .gpio           = TL_WR941ND_GPIO_LED_SYSTEM,
  75                 .active_low     = 1,
  76         }, {
  77                 .name           = "tp-link:red:qss",
  78                 .gpio           = TL_WR941ND_GPIO_LED_QSS_RED,
  79         }, {
  80                 .name           = "tp-link:green:qss",
  81                 .gpio           = TL_WR941ND_GPIO_LED_QSS_GREEN,
  82         }, {
  83                 .name           = "tp-link:green:wlan",
  84                 .gpio           = TL_WR941ND_GPIO_LED_WLAN,
  85                 .active_low     = 1,
  86         }
  87 };
  88
  89 static struct gpio_keys_button tl_wr941nd_gpio_keys[] __initdata = {
  90         {
  91                 .desc           = "reset",
  92                 .type           = EV_KEY,
  93                 .code           = KEY_RESTART,
  94                 .debounce_interval = TL_WR941ND_KEYS_DEBOUNCE_INTERVAL,
  95                 .gpio           = TL_WR941ND_GPIO_BTN_RESET,
  96                 .active_low     = 1,
  97         }, {
  98                 .desc           = "qss",
  99                 .type           = EV_KEY,
 100                 .code           = KEY_WPS_BUTTON,
 101                 .debounce_interval = TL_WR941ND_KEYS_DEBOUNCE_INTERVAL,
 102                 .gpio           = TL_WR941ND_GPIO_BTN_QSS,
 103                 .active_low     = 1,
 104         }
 105 };
 106
 107 static struct dsa_chip_data tl_wr941nd_dsa_chip = {
 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 struct dsa_platform_data tl_wr941nd_dsa_data = {
 117         .nr_chips       = 1,
 118         .chip           = &tl_wr941nd_dsa_chip,
 119 };
 120
 121 static void __init tl_wr941nd_setup(void)
 122 {
 123         u8 *mac = (u8 *) KSEG1ADDR(0x1f01fc00);
 124         u8 *eeprom = (u8 *) KSEG1ADDR(0x1fff1000);
 125
 126         ar71xx_add_device_mdio(0x0);
 127
 128         ar71xx_init_mac(ar71xx_eth0_data.mac_addr, mac, 0);
 129         ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
 130         ar71xx_eth0_data.speed = SPEED_100;
 131         ar71xx_eth0_data.duplex = DUPLEX_FULL;
 132
 133         ar71xx_add_device_eth(0);
 134         ar71xx_add_device_dsa(&ar71xx_eth0_device.dev, &ar71xx_mdio_device.dev,
 135                               &tl_wr941nd_dsa_data);
 136
 137         ar71xx_add_device_m25p80(&tl_wr941nd_flash_data);
 138
 139         ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(tl_wr941nd_leds_gpio),
 140                                         tl_wr941nd_leds_gpio);
 141
 142         ar71xx_register_gpio_keys_polled(-1, TL_WR941ND_KEYS_POLL_INTERVAL,
 143                                          ARRAY_SIZE(tl_wr941nd_gpio_keys),
 144                                          tl_wr941nd_gpio_keys);
 145         ar9xxx_add_device_wmac(eeprom, mac);
 146 }
 147
 148 MIPS_MACHINE(AR71XX_MACH_TL_WR941ND, "TL-WR941ND", "TP-LINK TL-WR941ND",
 149              tl_wr941nd_setup);