target/linux/ar71xx/files/arch/mips/ar71xx/mach-tl-wr741nd.c

   1 /*
   2  *  TP-LINK TL-WR741ND 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/pci.h>
  12 #include <linux/platform_device.h>
  13 #include <linux/mtd/mtd.h>
  14 #include <linux/mtd/partitions.h>
  15 #include <linux/spi/spi.h>
  16 #include <linux/spi/flash.h>
  17 #include <linux/input.h>
  18 #include <linux/ath9k_platform.h>
  19
  20 #include <asm/mips_machine.h>
  21
  22 #include <asm/mach-ar71xx/ar71xx.h>
  23 #include <asm/mach-ar71xx/pci.h>
  24
  25 #include "devices.h"
  26
  27 #define TL_WR741ND_GPIO_LED_QSS         0
  28 #define TL_WR741ND_GPIO_LED_SYSTEM      1
  29
  30 #define TL_WR741ND_GPIO_BTN_RESET       11
  31 #define TL_WR741ND_GPIO_BTN_QSS         12
  32
  33 #define TL_WR741ND_BUTTONS_POLL_INTERVAL        20
  34
  35 #ifdef CONFIG_MTD_PARTITIONS
  36 static struct mtd_partition tl_wr741nd_partitions[] = {
  37         {
  38                 .name           = "u-boot",
  39                 .offset         = 0,
  40                 .size           = 0x020000,
  41                 .mask_flags     = MTD_WRITEABLE,
  42         } , {
  43                 .name           = "kernel",
  44                 .offset         = 0x020000,
  45                 .size           = 0x140000,
  46         } , {
  47                 .name           = "rootfs",
  48                 .offset         = 0x160000,
  49                 .size           = 0x290000,
  50         } , {
  51                 .name           = "art",
  52                 .offset         = 0x3f0000,
  53                 .size           = 0x010000,
  54                 .mask_flags     = MTD_WRITEABLE,
  55         } , {
  56                 .name           = "firmware",
  57                 .offset         = 0x020000,
  58                 .size           = 0x3d0000,
  59         }
  60 };
  61 #endif /* CONFIG_MTD_PARTITIONS */
  62
  63 static struct flash_platform_data tl_wr741nd_flash_data = {
  64 #ifdef CONFIG_MTD_PARTITIONS
  65         .parts          = tl_wr741nd_partitions,
  66         .nr_parts       = ARRAY_SIZE(tl_wr741nd_partitions),
  67 #endif
  68 };
  69
  70 static struct spi_board_info tl_wr741nd_spi_info[] = {
  71         {
  72                 .bus_num        = 0,
  73                 .chip_select    = 0,
  74                 .max_speed_hz   = 25000000,
  75                 .modalias       = "m25p80",
  76                 .platform_data  = &tl_wr741nd_flash_data,
  77         }
  78 };
  79
  80 static struct gpio_led tl_wr741nd_leds_gpio[] __initdata = {
  81         {
  82                 .name           = "tl-wr741nd:green:system",
  83                 .gpio           = TL_WR741ND_GPIO_LED_SYSTEM,
  84                 .active_low     = 1,
  85         }, {
  86                 .name           = "tl-wr741nd:green:qss",
  87                 .gpio           = TL_WR741ND_GPIO_LED_QSS,
  88                 .active_low     = 1,
  89         }
  90 };
  91
  92 static struct gpio_button tl_wr741nd_gpio_buttons[] __initdata = {
  93         {
  94                 .desc           = "reset",
  95                 .type           = EV_KEY,
  96                 .code           = BTN_0,
  97                 .threshold      = 5,
  98                 .gpio           = TL_WR741ND_GPIO_BTN_RESET,
  99                 .active_low     = 1,
 100         }, {
 101                 .desc           = "qss",
 102                 .type           = EV_KEY,
 103                 .code           = BTN_1,
 104                 .threshold      = 5,
 105                 .gpio           = TL_WR741ND_GPIO_BTN_QSS,
 106                 .active_low     = 1,
 107         }
 108 };
 109
 110 #ifdef CONFIG_PCI
 111 static struct ar71xx_pci_irq tl_wr741nd_pci_irqs[] __initdata = {
 112         {
 113                 .slot   = 0,
 114                 .pin    = 1,
 115                 .irq    = AR71XX_PCI_IRQ_DEV0,
 116         }
 117 };
 118
 119 static struct ath9k_platform_data tl_wr741nd_wmac_data;
 120
 121 static int tl_wr741nd_pci_plat_dev_init(struct pci_dev *dev)
 122 {
 123         dev->dev.platform_data = &tl_wr741nd_wmac_data;
 124         return 0;
 125 }
 126
 127 static void tl_wr741nd_pci_init(void)
 128 {
 129         u8 *ee = (u8 *) KSEG1ADDR(0x1fff1000);
 130
 131         memcpy(tl_wr741nd_wmac_data.eeprom_data, ee,
 132                sizeof(tl_wr741nd_wmac_data.eeprom_data));
 133
 134         ar71xx_pci_plat_dev_init = tl_wr741nd_pci_plat_dev_init;
 135
 136         ar71xx_pci_init(ARRAY_SIZE(tl_wr741nd_pci_irqs), tl_wr741nd_pci_irqs);
 137 }
 138 #else
 139 static inline void tl_wr741nd_pci_init(void) { };
 140 #endif /* CONFIG_PCI */
 141
 142 static void __init tl_wr741nd_setup(void)
 143 {
 144         u8 *mac = (u8 *) KSEG1ADDR(0x1f01fc00);
 145
 146         ar71xx_set_mac_base(mac);
 147         ar71xx_add_device_mdio(0x0);
 148
 149         /* WAN port */
 150         ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
 151         ar71xx_eth0_data.phy_mask = 0x0;
 152         ar71xx_eth0_data.speed = SPEED_100;
 153         ar71xx_eth0_data.duplex = DUPLEX_FULL;
 154
 155         /* LAN ports */
 156         ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
 157         ar71xx_eth1_data.phy_mask = 0x0;
 158         ar71xx_eth1_data.speed = SPEED_1000;
 159         ar71xx_eth1_data.duplex = DUPLEX_FULL;
 160
 161         ar71xx_add_device_eth(1);
 162         ar71xx_add_device_eth(0);
 163
 164         ar71xx_add_device_spi(NULL, tl_wr741nd_spi_info,
 165                                         ARRAY_SIZE(tl_wr741nd_spi_info));
 166
 167         ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(tl_wr741nd_leds_gpio),
 168                                         tl_wr741nd_leds_gpio);
 169
 170         ar71xx_add_device_gpio_buttons(-1, TL_WR741ND_BUTTONS_POLL_INTERVAL,
 171                                         ARRAY_SIZE(tl_wr741nd_gpio_buttons),
 172                                         tl_wr741nd_gpio_buttons);
 173
 174         tl_wr741nd_pci_init();
 175 }
 176 MIPS_MACHINE(AR71XX_MACH_TL_WR741ND, "TP-LINK TL-WR741ND", tl_wr741nd_setup);