target/linux/ramips/files/arch/mips/ralink/rt3883/mach-rt-n56u.c

   1 /*
   2  *  Asus RT-N56U board support
   3  *
   4  *  Copyright (C) 2011-2012 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/init.h>
  12 #include <linux/platform_device.h>
  13 #include <linux/rtl8367.h>
  14 #include <linux/ethtool.h>
  15 #include <linux/pci.h>
  16 #include <linux/rt2x00_platform.h>
  17
  18 #include <asm/mach-ralink/machine.h>
  19 #include <asm/mach-ralink/dev-gpio-buttons.h>
  20 #include <asm/mach-ralink/dev-gpio-leds.h>
  21 #include <asm/mach-ralink/rt3883.h>
  22 #include <asm/mach-ralink/rt3883_regs.h>
  23 #include <asm/mach-ralink/ramips_eth_platform.h>
  24
  25 #include "devices.h"
  26
  27 #define RT_N56U_GPIO_LED_POWER          0
  28 #define RT_N56U_GPIO_LED_LAN            19
  29 #define RT_N56U_GPIO_LED_USB            24
  30 #define RT_N56U_GPIO_LED_WAN            27
  31 #define RT_N56U_GPIO_BUTTON_RESET       13
  32 #define RT_N56U_GPIO_BUTTON_WPS         26
  33
  34 #define RT_N56U_GPIO_RTL8367_SCK        2
  35 #define RT_N56U_GPIO_RTL8367_SDA        1
  36
  37 #define RT_N56U_KEYS_POLL_INTERVAL      20
  38 #define RT_N56U_KEYS_DEBOUNCE_INTERVAL  (3 * RT_N56U_KEYS_POLL_INTERVAL)
  39
  40 static struct gpio_led rt_n56u_leds_gpio[] __initdata = {
  41         {
  42                 .name           = "asus:blue:power",
  43                 .gpio           = RT_N56U_GPIO_LED_POWER,
  44                 .active_low     = 1,
  45         },
  46         {
  47                 .name           = "asus:blue:lan",
  48                 .gpio           = RT_N56U_GPIO_LED_LAN,
  49                 .active_low     = 1,
  50         },
  51         {
  52                 .name           = "asus:blue:wan",
  53                 .gpio           = RT_N56U_GPIO_LED_WAN,
  54                 .active_low     = 1,
  55         },
  56         {
  57                 .name           = "asus:blue:usb",
  58                 .gpio           = RT_N56U_GPIO_LED_USB,
  59                 .active_low     = 1,
  60         },
  61 };
  62
  63 static struct gpio_keys_button rt_n56u_gpio_buttons[] __initdata = {
  64         {
  65                 .desc           = "reset",
  66                 .type           = EV_KEY,
  67                 .code           = KEY_RESTART,
  68                 .debounce_interval = RT_N56U_KEYS_DEBOUNCE_INTERVAL,
  69                 .gpio           = RT_N56U_GPIO_BUTTON_RESET,
  70                 .active_low     = 1,
  71         },
  72         {
  73                 .desc           = "wps",
  74                 .type           = EV_KEY,
  75                 .code           = KEY_WPS_BUTTON,
  76                 .debounce_interval = RT_N56U_KEYS_DEBOUNCE_INTERVAL,
  77                 .gpio           = RT_N56U_GPIO_BUTTON_WPS,
  78                 .active_low     = 1,
  79         }
  80 };
  81
  82 static struct rtl8367_extif_config rt_n56u_rtl8367_extif1_cfg = {
  83         .txdelay = 1,
  84         .rxdelay = 0,
  85         .mode = RTL8367_EXTIF_MODE_RGMII,
  86         .ability = {
  87                 .force_mode = 1,
  88                 .txpause = 1,
  89                 .rxpause = 1,
  90                 .link = 1,
  91                 .duplex = 1,
  92                 .speed = RTL8367_PORT_SPEED_1000,
  93         }
  94 };
  95
  96 static struct rtl8367_platform_data rt_n56u_rtl8367_data = {
  97         .gpio_sda       = RT_N56U_GPIO_RTL8367_SDA,
  98         .gpio_sck       = RT_N56U_GPIO_RTL8367_SCK,
  99         .extif1_cfg     = &rt_n56u_rtl8367_extif1_cfg,
 100 };
 101
 102 static struct platform_device rt_n56u_rtl8367_device = {
 103         .name           = RTL8367_DRIVER_NAME,
 104         .id             = -1,
 105         .dev = {
 106                 .platform_data  = &rt_n56u_rtl8367_data,
 107         }
 108 };
 109
 110 static struct rt2x00_platform_data rt_n56u_pci_wlan_data = {
 111         .eeprom_file_name       = "rt2x00pci_1_0.eeprom",
 112 };
 113
 114 static int rt_n56u_pci_plat_dev_init(struct pci_dev *dev)
 115 {
 116         if (dev->bus->number == 1 && PCI_SLOT(dev->devfn) == 0)
 117                 dev->dev.platform_data = &rt_n56u_pci_wlan_data;
 118
 119         return 0;
 120 }
 121
 122 static void __init rt_n56u_init(void)
 123 {
 124         rt3883_gpio_init(RT3883_GPIO_MODE_I2C |
 125                          RT3883_GPIO_MODE_UART0(RT3883_GPIO_MODE_GPIO) |
 126                          RT3883_GPIO_MODE_JTAG |
 127                          RT3883_GPIO_MODE_PCI(RT3883_GPIO_MODE_PCI_FNC));
 128
 129         rt3883_register_pflash(0);
 130
 131         ramips_register_gpio_leds(-1, ARRAY_SIZE(rt_n56u_leds_gpio),
 132                                   rt_n56u_leds_gpio);
 133
 134         ramips_register_gpio_buttons(-1, RT_N56U_KEYS_POLL_INTERVAL,
 135                                      ARRAY_SIZE(rt_n56u_gpio_buttons),
 136                                      rt_n56u_gpio_buttons);
 137
 138         platform_device_register(&rt_n56u_rtl8367_device);
 139
 140         rt3883_wlan_data.disable_2ghz = 1;
 141         rt3883_register_wlan();
 142
 143         rt3883_eth_data.speed = SPEED_1000;
 144         rt3883_eth_data.duplex = DUPLEX_FULL;
 145         rt3883_eth_data.tx_fc = 1;
 146         rt3883_eth_data.rx_fc = 1;
 147         rt3883_register_ethernet();
 148
 149         rt3883_register_wdt(false);
 150         rt3883_register_usbhost();
 151         rt3883_pci_set_plat_dev_init(rt_n56u_pci_plat_dev_init);
 152         rt3883_pci_init(RT3883_PCI_MODE_PCIE);
 153 }
 154
 155 MIPS_MACHINE(RAMIPS_MACH_RT_N56U, "RT-N56U", "Asus RT-N56U", rt_n56u_init);