target/linux/ar71xx/files/arch/mips/ar71xx/mach-tl-mr3420.c

   1 /*
   2  *  TP-LINK TL-MR3420 board support
   3  *
   4  *  Copyright (C) 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/gpio.h>
  12 #include <linux/mtd/mtd.h>
  13 #include <linux/mtd/partitions.h>
  14
  15 #include <asm/mach-ar71xx/ar71xx.h>
  16
  17 #include "machtype.h"
  18 #include "devices.h"
  19 #include "dev-m25p80.h"
  20 #include "dev-ap91-pci.h"
  21 #include "dev-gpio-buttons.h"
  22 #include "dev-leds-gpio.h"
  23 #include "dev-usb.h"
  24
  25 #define TL_MR3420_GPIO_LED_QSS          0
  26 #define TL_MR3420_GPIO_LED_SYSTEM       1
  27 #define TL_MR3420_GPIO_LED_3G           8
  28
  29 #define TL_MR3420_GPIO_BTN_RESET        11
  30 #define TL_MR3420_GPIO_BTN_QSS          12
  31
  32 #define TL_MR3420_GPIO_USB_POWER        6
  33
  34 #define TL_MR3420_BUTTONS_POLL_INTERVAL 20
  35
  36 #ifdef CONFIG_MTD_PARTITIONS
  37 static struct mtd_partition tl_mr3420_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 #define tl_mr3420_num_partitions        ARRAY_SIZE(tl_mr3420_partitions)
  63 #else
  64 #define tl_mr3420_partitions            NULL
  65 #define tl_mr3420_num_partitions        0
  66 #endif /* CONFIG_MTD_PARTITIONS */
  67
  68 static struct flash_platform_data tl_mr3420_flash_data = {
  69         .parts          = tl_mr3420_partitions,
  70         .nr_parts       = tl_mr3420_num_partitions,
  71 };
  72
  73 static struct gpio_led tl_mr3420_leds_gpio[] __initdata = {
  74         {
  75                 .name           = "tl-mr3420:green:system",
  76                 .gpio           = TL_MR3420_GPIO_LED_SYSTEM,
  77                 .active_low     = 1,
  78         }, {
  79                 .name           = "tl-mr3420:green:qss",
  80                 .gpio           = TL_MR3420_GPIO_LED_QSS,
  81                 .active_low     = 1,
  82         }, {
  83                 .name           = "tl-mr3420:green:3g",
  84                 .gpio           = TL_MR3420_GPIO_LED_3G,
  85                 .active_low     = 1,
  86         }
  87 };
  88
  89 static struct gpio_button tl_mr3420_gpio_buttons[] __initdata = {
  90         {
  91                 .desc           = "reset",
  92                 .type           = EV_KEY,
  93                 .code           = KEY_RESTART,
  94                 .threshold      = 3,
  95                 .gpio           = TL_MR3420_GPIO_BTN_RESET,
  96                 .active_low     = 1,
  97         }, {
  98                 .desc           = "qss",
  99                 .type           = EV_KEY,
 100                 .code           = KEY_WPS_BUTTON,
 101                 .threshold      = 3,
 102                 .gpio           = TL_MR3420_GPIO_BTN_QSS,
 103                 .active_low     = 1,
 104         }
 105 };
 106
 107 static void __init tl_mr3420_setup(void)
 108 {
 109         u8 *mac = (u8 *) KSEG1ADDR(0x1f01fc00);
 110         u8 *ee = (u8 *) KSEG1ADDR(0x1fff1000);
 111
 112         /* enable power for the USB port */
 113         gpio_request(TL_MR3420_GPIO_USB_POWER, "USB power");
 114         gpio_direction_output(TL_MR3420_GPIO_USB_POWER, 1);
 115
 116         ar71xx_add_device_m25p80(&tl_mr3420_flash_data);
 117
 118         ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(tl_mr3420_leds_gpio),
 119                                         tl_mr3420_leds_gpio);
 120
 121         ar71xx_add_device_gpio_buttons(-1, TL_MR3420_BUTTONS_POLL_INTERVAL,
 122                                         ARRAY_SIZE(tl_mr3420_gpio_buttons),
 123                                         tl_mr3420_gpio_buttons);
 124
 125         ar71xx_eth1_data.has_ar7240_switch = 1;
 126
 127         ar71xx_set_mac_base(mac);
 128
 129         /* WAN port */
 130         ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
 131         ar71xx_eth0_data.speed = SPEED_100;
 132         ar71xx_eth0_data.duplex = DUPLEX_FULL;
 133
 134         /* LAN ports */
 135         ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
 136         ar71xx_eth1_data.speed = SPEED_1000;
 137         ar71xx_eth1_data.duplex = DUPLEX_FULL;
 138
 139         ar71xx_add_device_mdio(0x0);
 140         ar71xx_add_device_eth(1);
 141         ar71xx_add_device_eth(0);
 142
 143         ar71xx_add_device_usb();
 144
 145         ap91_pci_init(ee, mac);
 146 }
 147 MIPS_MACHINE(AR71XX_MACH_TL_MR3420, "TL-MR3420", "TP-LINK TL-MR3420",
 148              tl_mr3420_setup);