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-eth.h"
  21 #include "dev-ap91-pci.h"
  22 #include "dev-gpio-buttons.h"
  23 #include "dev-leds-gpio.h"
  24 #include "dev-usb.h"
  25
  26 #define TL_MR3420_GPIO_LED_QSS          0
  27 #define TL_MR3420_GPIO_LED_SYSTEM       1
  28 #define TL_MR3420_GPIO_LED_3G           8
  29
  30 #define TL_MR3420_GPIO_BTN_RESET        11
  31 #define TL_MR3420_GPIO_BTN_QSS          12
  32
  33 #define TL_MR3420_GPIO_USB_POWER        6
  34
  35 #define TL_MR3420_BUTTONS_POLL_INTERVAL 20
  36
  37 #ifdef CONFIG_MTD_PARTITIONS
  38 static struct mtd_partition tl_mr3420_partitions[] = {
  39         {
  40                 .name           = "u-boot",
  41                 .offset         = 0,
  42                 .size           = 0x020000,
  43                 .mask_flags     = MTD_WRITEABLE,
  44         } , {
  45                 .name           = "kernel",
  46                 .offset         = 0x020000,
  47                 .size           = 0x140000,
  48         } , {
  49                 .name           = "rootfs",
  50                 .offset         = 0x160000,
  51                 .size           = 0x290000,
  52         } , {
  53                 .name           = "art",
  54                 .offset         = 0x3f0000,
  55                 .size           = 0x010000,
  56                 .mask_flags     = MTD_WRITEABLE,
  57         } , {
  58                 .name           = "firmware",
  59                 .offset         = 0x020000,
  60                 .size           = 0x3d0000,
  61         }
  62 };
  63 #define tl_mr3420_num_partitions        ARRAY_SIZE(tl_mr3420_partitions)
  64 #else
  65 #define tl_mr3420_partitions            NULL
  66 #define tl_mr3420_num_partitions        0
  67 #endif /* CONFIG_MTD_PARTITIONS */
  68
  69 static struct flash_platform_data tl_mr3420_flash_data = {
  70         .parts          = tl_mr3420_partitions,
  71         .nr_parts       = tl_mr3420_num_partitions,
  72 };
  73
  74 static struct gpio_led tl_mr3420_leds_gpio[] __initdata = {
  75         {
  76                 .name           = "tl-mr3420:green:system",
  77                 .gpio           = TL_MR3420_GPIO_LED_SYSTEM,
  78                 .active_low     = 1,
  79         }, {
  80                 .name           = "tl-mr3420:green:qss",
  81                 .gpio           = TL_MR3420_GPIO_LED_QSS,
  82                 .active_low     = 1,
  83         }, {
  84                 .name           = "tl-mr3420:green:3g",
  85                 .gpio           = TL_MR3420_GPIO_LED_3G,
  86                 .active_low     = 1,
  87         }
  88 };
  89
  90 static struct gpio_button tl_mr3420_gpio_buttons[] __initdata = {
  91         {
  92                 .desc           = "reset",
  93                 .type           = EV_KEY,
  94                 .code           = KEY_RESTART,
  95                 .threshold      = 3,
  96                 .gpio           = TL_MR3420_GPIO_BTN_RESET,
  97                 .active_low     = 1,
  98         }, {
  99                 .desc           = "qss",
 100                 .type           = EV_KEY,
 101                 .code           = KEY_WPS_BUTTON,
 102                 .threshold      = 3,
 103                 .gpio           = TL_MR3420_GPIO_BTN_QSS,
 104                 .active_low     = 1,
 105         }
 106 };
 107
 108 static void __init tl_mr3420_setup(void)
 109 {
 110         u8 *mac = (u8 *) KSEG1ADDR(0x1f01fc00);
 111         u8 *ee = (u8 *) KSEG1ADDR(0x1fff1000);
 112
 113         /* enable power for the USB port */
 114         gpio_request(TL_MR3420_GPIO_USB_POWER,"USB power");
 115         gpio_direction_output(TL_MR3420_GPIO_USB_POWER, 1);
 116
 117         ar71xx_add_device_m25p80(&tl_mr3420_flash_data);
 118
 119         ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(tl_mr3420_leds_gpio),
 120                                         tl_mr3420_leds_gpio);
 121
 122         ar71xx_add_device_gpio_buttons(-1, TL_MR3420_BUTTONS_POLL_INTERVAL,
 123                                         ARRAY_SIZE(tl_mr3420_gpio_buttons),
 124                                         tl_mr3420_gpio_buttons);
 125
 126         ar71xx_eth1_data.has_ar7240_switch = 1;
 127         ar71xx_init_mac(ar71xx_eth0_data.mac_addr, mac, 0);
 128         ar71xx_init_mac(ar71xx_eth1_data.mac_addr, mac, 1);
 129
 130         /* WAN port */
 131         ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
 132         ar71xx_eth0_data.speed = SPEED_100;
 133         ar71xx_eth0_data.duplex = DUPLEX_FULL;
 134
 135         /* LAN ports */
 136         ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
 137         ar71xx_eth1_data.speed = SPEED_1000;
 138         ar71xx_eth1_data.duplex = DUPLEX_FULL;
 139
 140         ar71xx_add_device_mdio(0x0);
 141         ar71xx_add_device_eth(1);
 142         ar71xx_add_device_eth(0);
 143
 144         ar71xx_add_device_usb();
 145
 146         ap91_pci_init(ee, mac);
 147 }
 148 MIPS_MACHINE(AR71XX_MACH_TL_MR3420, "TL-MR3420", "TP-LINK TL-MR3420",
 149              tl_mr3420_setup);