target/linux/ar71xx/files/arch/mips/ath79/mach-qihoo-c301.c

   1 /*
   2  *  Qihoo 360 C301 board support
   3  *
   4  *  Copyright (C) 2013 Gabor Juhos <juhosg@openwrt.org>
   5  *  Copyright (C) 2014 Weijie Gao <hackpascal@gmail.com>
   6  *
   7  *  This program is free software; you can redistribute it and/or modify it
   8  *  under the terms of the GNU General Public License version 2 as published
   9  *  by the Free Software Foundation.
  10  */
  11
  12 #include <linux/pci.h>
  13 #include <linux/phy.h>
  14 #include <linux/gpio.h>
  15 #include <linux/platform_device.h>
  16 #include <linux/ath9k_platform.h>
  17
  18 #include <asm/mach-ath79/ar71xx_regs.h>
  19
  20 #include "common.h"
  21 #include "pci.h"
  22 #include "dev-eth.h"
  23 #include "dev-gpio-buttons.h"
  24 #include "dev-leds-gpio.h"
  25 #include "dev-m25p80.h"
  26 #include "dev-spi.h"
  27 #include "dev-usb.h"
  28 #include "dev-wmac.h"
  29 #include "machtypes.h"
  30 #include "nvram.h"
  31
  32 #define QIHOO_C301_GPIO_LED_STATUS_GREEN        0
  33 #define QIHOO_C301_GPIO_LED_STATUS_RED          11
  34
  35 #define QIHOO_C301_GPIO_LED_WAN                 1
  36 #define QIHOO_C301_GPIO_LED_LAN1                2
  37 #define QIHOO_C301_GPIO_LED_LAN2                3
  38 #define QIHOO_C301_GPIO_ETH_LEN_EN              18
  39
  40 #define QIHOO_C301_GPIO_BTN_RESET               16
  41
  42 #define QIHOO_C301_GPIO_USB_POWER               19
  43
  44 #define QIHOO_C301_GPIO_SPI_CS1                 12
  45
  46 #define QIHOO_C301_GPIO_EXTERNAL_LNA0           14
  47 #define QIHOO_C301_GPIO_EXTERNAL_LNA1           15
  48
  49 #define QIHOO_C301_KEYS_POLL_INTERVAL           20      /* msecs */
  50 #define QIHOO_C301_KEYS_DEBOUNCE_INTERVAL       \
  51         (3 * QIHOO_C301_KEYS_POLL_INTERVAL)
  52
  53 #define QIHOO_C301_WMAC_CALDATA_OFFSET          0x1000
  54
  55 #define QIHOO_C301_NVRAM_ADDR                   0x1f058010
  56 #define QIHOO_C301_NVRAM_SIZE                   0x7ff0
  57
  58 static struct gpio_led qihoo_c301_leds_gpio[] __initdata = {
  59         {
  60                 .name           = "qihoo:green:status",
  61                 .gpio           = QIHOO_C301_GPIO_LED_STATUS_GREEN,
  62                 .active_low     = 1,
  63         },
  64         {
  65                 .name           = "qihoo:red:status",
  66                 .gpio           = QIHOO_C301_GPIO_LED_STATUS_RED,
  67                 .active_low     = 1,
  68         },
  69 };
  70
  71 static struct gpio_keys_button qihoo_c301_gpio_keys[] __initdata = {
  72         {
  73                 .desc           = "reset",
  74                 .type           = EV_KEY,
  75                 .code           = KEY_RESTART,
  76                 .debounce_interval = QIHOO_C301_KEYS_DEBOUNCE_INTERVAL,
  77                 .gpio           = QIHOO_C301_GPIO_BTN_RESET,
  78                 .active_low     = 1,
  79         },
  80 };
  81
  82 static struct flash_platform_data flash __initdata = {NULL, NULL, 0};
  83
  84 static void qihoo_c301_get_mac(const char *name, char *mac)
  85 {
  86         u8 *nvram = (u8 *) KSEG1ADDR(QIHOO_C301_NVRAM_ADDR);
  87         int err;
  88
  89         err = ath79_nvram_parse_mac_addr(nvram, QIHOO_C301_NVRAM_SIZE,
  90                                          name, mac);
  91         if (err)
  92                 pr_err("no MAC address found for %s\n", name);
  93 }
  94
  95 static void __init qihoo_c301_setup(void)
  96 {
  97         u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
  98         u8 tmpmac[ETH_ALEN];
  99
 100         ath79_register_m25p80_multi(&flash);
 101
 102         ath79_gpio_function_enable(AR934X_GPIO_FUNC_JTAG_DISABLE);
 103
 104         ath79_gpio_output_select(QIHOO_C301_GPIO_LED_WAN,
 105                                  AR934X_GPIO_OUT_LED_LINK4);
 106         ath79_gpio_output_select(QIHOO_C301_GPIO_LED_LAN1,
 107                                  AR934X_GPIO_OUT_LED_LINK1);
 108         ath79_gpio_output_select(QIHOO_C301_GPIO_LED_LAN2,
 109                                  AR934X_GPIO_OUT_LED_LINK2);
 110
 111         ath79_gpio_output_select(QIHOO_C301_GPIO_SPI_CS1,
 112                                  AR934X_GPIO_OUT_SPI_CS1);
 113
 114         gpio_request_one(QIHOO_C301_GPIO_ETH_LEN_EN,
 115                          GPIOF_OUT_INIT_LOW | GPIOF_EXPORT_DIR_FIXED,
 116                          "Ethernet LED enable");
 117
 118         ath79_register_leds_gpio(-1, ARRAY_SIZE(qihoo_c301_leds_gpio),
 119                                  qihoo_c301_leds_gpio);
 120
 121         ath79_register_gpio_keys_polled(-1, QIHOO_C301_KEYS_POLL_INTERVAL,
 122                                         ARRAY_SIZE(qihoo_c301_gpio_keys),
 123                                         qihoo_c301_gpio_keys);
 124
 125         ath79_wmac_set_ext_lna_gpio(0, QIHOO_C301_GPIO_EXTERNAL_LNA0);
 126         ath79_wmac_set_ext_lna_gpio(1, QIHOO_C301_GPIO_EXTERNAL_LNA1);
 127
 128         qihoo_c301_get_mac("wlan24mac=", tmpmac);
 129         ath79_register_wmac(art + QIHOO_C301_WMAC_CALDATA_OFFSET, tmpmac);
 130
 131         ath79_register_pci();
 132
 133         ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_SW_ONLY_MODE |
 134                                    AR934X_ETH_CFG_SW_PHY_SWAP);
 135
 136         ath79_register_mdio(1, 0x0);
 137
 138         /* LAN */
 139         qihoo_c301_get_mac("lanmac=", ath79_eth1_data.mac_addr);
 140
 141         /* GMAC1 is connected to the internal switch */
 142         ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_GMII;
 143
 144         ath79_register_eth(1);
 145
 146         /* WAN */
 147         qihoo_c301_get_mac("wanmac=", ath79_eth0_data.mac_addr);
 148
 149         /* GMAC0 is connected to the PHY4 of the internal switch */
 150         ath79_switch_data.phy4_mii_en = 1;
 151         ath79_switch_data.phy_poll_mask = BIT(0);
 152
 153         ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
 154         ath79_eth0_data.phy_mask = BIT(0);
 155         ath79_eth0_data.mii_bus_dev = &ath79_mdio1_device.dev;
 156
 157         ath79_register_eth(0);
 158
 159         gpio_request_one(QIHOO_C301_GPIO_USB_POWER,
 160                          GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
 161                          "USB power");
 162         ath79_register_usb();
 163 }
 164
 165 MIPS_MACHINE(ATH79_MACH_QIHOO_C301, "QIHOO-C301", "Qihoo 360 C301",
 166              qihoo_c301_setup);