| /* |
| * TRENDnet TEW-673GRU board support |
| * |
| * Copyright (C) 2012 Gabor Juhos <juhosg@openwrt.org> |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 as published |
| * by the Free Software Foundation. |
| */ |
| |
| #include <linux/platform_device.h> |
| #include <linux/delay.h> |
| #include <linux/rtl8366.h> |
| #include <linux/spi/spi.h> |
| #include <linux/spi/spi_gpio.h> |
| |
| #include <asm/mach-ath79/ath79.h> |
| |
| #include "dev-ap9x-pci.h" |
| #include "dev-eth.h" |
| #include "dev-gpio-buttons.h" |
| #include "dev-leds-gpio.h" |
| #include "dev-m25p80.h" |
| #include "dev-usb.h" |
| #include "machtypes.h" |
| |
| #define TEW673GRU_GPIO_LCD_SCK 0 |
| #define TEW673GRU_GPIO_LCD_MOSI 1 |
| #define TEW673GRU_GPIO_LCD_MISO 2 |
| #define TEW673GRU_GPIO_LCD_CS 6 |
| |
| #define TEW673GRU_GPIO_LED_WPS 9 |
| |
| #define TEW673GRU_GPIO_BTN_RESET 3 |
| #define TEW673GRU_GPIO_BTN_WPS 8 |
| |
| #define TEW673GRU_GPIO_RTL8366_SDA 5 |
| #define TEW673GRU_GPIO_RTL8366_SCK 7 |
| |
| #define TEW673GRU_KEYS_POLL_INTERVAL 20 /* msecs */ |
| #define TEW673GRU_KEYS_DEBOUNCE_INTERVAL (3 * TEW673GRU_KEYS_POLL_INTERVAL) |
| |
| #define TEW673GRU_CAL0_OFFSET 0x1000 |
| #define TEW673GRU_CAL1_OFFSET 0x5000 |
| #define TEW673GRU_MAC0_OFFSET 0xffa0 |
| #define TEW673GRU_MAC1_OFFSET 0xffb4 |
| |
| #define TEW673GRU_CAL_LOCATION_0 0x1f660000 |
| #define TEW673GRU_CAL_LOCATION_1 0x1f7f0000 |
| |
| static struct gpio_led tew673gru_leds_gpio[] __initdata = { |
| { |
| .name = "trendnet:blue:wps", |
| .gpio = TEW673GRU_GPIO_LED_WPS, |
| .active_low = 1, |
| } |
| }; |
| |
| static struct gpio_keys_button tew673gru_gpio_keys[] __initdata = { |
| { |
| .desc = "reset", |
| .type = EV_KEY, |
| .code = KEY_RESTART, |
| .debounce_interval = TEW673GRU_KEYS_DEBOUNCE_INTERVAL, |
| .gpio = TEW673GRU_GPIO_BTN_RESET, |
| .active_low = 1, |
| }, { |
| .desc = "wps", |
| .type = EV_KEY, |
| .code = KEY_WPS_BUTTON, |
| .debounce_interval = TEW673GRU_KEYS_DEBOUNCE_INTERVAL, |
| .gpio = TEW673GRU_GPIO_BTN_WPS, |
| .active_low = 1, |
| } |
| }; |
| |
| static struct rtl8366_initval tew673gru_rtl8366s_initvals[] = { |
| { .reg = 0x06, .val = 0x0108 }, |
| }; |
| |
| static struct rtl8366_platform_data tew673gru_rtl8366s_data = { |
| .gpio_sda = TEW673GRU_GPIO_RTL8366_SDA, |
| .gpio_sck = TEW673GRU_GPIO_RTL8366_SCK, |
| .num_initvals = ARRAY_SIZE(tew673gru_rtl8366s_initvals), |
| .initvals = tew673gru_rtl8366s_initvals, |
| }; |
| |
| static struct platform_device tew673gru_rtl8366s_device = { |
| .name = RTL8366S_DRIVER_NAME, |
| .id = -1, |
| .dev = { |
| .platform_data = &tew673gru_rtl8366s_data, |
| } |
| }; |
| |
| static struct spi_board_info tew673gru_spi_info[] = { |
| { |
| .bus_num = 1, |
| .chip_select = 0, |
| .max_speed_hz = 400000, |
| .modalias = "spidev", |
| .mode = SPI_MODE_2, |
| .controller_data = (void *) TEW673GRU_GPIO_LCD_CS, |
| }, |
| }; |
| |
| static struct spi_gpio_platform_data tew673gru_spi_data = { |
| .sck = TEW673GRU_GPIO_LCD_SCK, |
| .miso = TEW673GRU_GPIO_LCD_MISO, |
| .mosi = TEW673GRU_GPIO_LCD_MOSI, |
| .num_chipselect = 1, |
| }; |
| |
| static struct platform_device tew673gru_spi_device = { |
| .name = "spi_gpio", |
| .id = 1, |
| .dev = { |
| .platform_data = &tew673gru_spi_data, |
| }, |
| }; |
| |
| static void tew673gru_read_ascii_mac(u8 *dest, u8 *src) |
| { |
| int ret; |
| |
| ret = sscanf(src, "%02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx", |
| &dest[0], &dest[1], &dest[2], |
| &dest[3], &dest[4], &dest[5]); |
| |
| if (ret != ETH_ALEN) |
| memset(dest, 0, ETH_ALEN); |
| } |
| |
| static bool __init tew673gru_is_caldata_valid(u8 *p) |
| { |
| u16 *magic0, *magic1; |
| |
| magic0 = (u16 *)(p + TEW673GRU_CAL0_OFFSET); |
| magic1 = (u16 *)(p + TEW673GRU_CAL1_OFFSET); |
| |
| return (*magic0 == 0xa55a && *magic1 == 0xa55a); |
| } |
| |
| static void __init tew673gru_wlan_init(void) |
| { |
| u8 mac1[ETH_ALEN], mac2[ETH_ALEN]; |
| u8 *caldata; |
| |
| caldata = (u8 *) KSEG1ADDR(TEW673GRU_CAL_LOCATION_0); |
| if (!tew673gru_is_caldata_valid(caldata)) { |
| caldata = (u8 *)KSEG1ADDR(TEW673GRU_CAL_LOCATION_1); |
| if (!tew673gru_is_caldata_valid(caldata)) { |
| pr_err("no calibration data found\n"); |
| return; |
| } |
| } |
| |
| tew673gru_read_ascii_mac(mac1, caldata + TEW673GRU_MAC0_OFFSET); |
| tew673gru_read_ascii_mac(mac2, caldata + TEW673GRU_MAC1_OFFSET); |
| |
| ath79_init_mac(ath79_eth0_data.mac_addr, mac1, 2); |
| ath79_init_mac(ath79_eth1_data.mac_addr, mac1, 3); |
| |
| ap9x_pci_setup_wmac_led_pin(0, 5); |
| ap9x_pci_setup_wmac_led_pin(1, 5); |
| |
| ap94_pci_init(caldata + TEW673GRU_CAL0_OFFSET, mac1, |
| caldata + TEW673GRU_CAL1_OFFSET, mac2); |
| } |
| |
| static void __init tew673gru_setup(void) |
| { |
| tew673gru_wlan_init(); |
| |
| ath79_register_mdio(0, 0x0); |
| |
| ath79_eth0_data.mii_bus_dev = &tew673gru_rtl8366s_device.dev; |
| ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII; |
| ath79_eth0_data.speed = SPEED_1000; |
| ath79_eth0_data.duplex = DUPLEX_FULL; |
| ath79_eth0_pll_data.pll_1000 = 0x11110000; |
| |
| ath79_eth1_data.mii_bus_dev = &tew673gru_rtl8366s_device.dev; |
| ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII; |
| ath79_eth1_data.phy_mask = 0x10; |
| ath79_eth1_pll_data.pll_1000 = 0x11110000; |
| |
| ath79_register_eth(0); |
| ath79_register_eth(1); |
| |
| ath79_register_m25p80(NULL); |
| |
| ath79_register_leds_gpio(-1, ARRAY_SIZE(tew673gru_leds_gpio), |
| tew673gru_leds_gpio); |
| |
| ath79_register_gpio_keys_polled(-1, TEW673GRU_KEYS_POLL_INTERVAL, |
| ARRAY_SIZE(tew673gru_gpio_keys), |
| tew673gru_gpio_keys); |
| |
| ath79_register_usb(); |
| |
| platform_device_register(&tew673gru_rtl8366s_device); |
| |
| spi_register_board_info(tew673gru_spi_info, |
| ARRAY_SIZE(tew673gru_spi_info)); |
| platform_device_register(&tew673gru_spi_device); |
| } |
| |
| MIPS_MACHINE(ATH79_MACH_TEW_673GRU, "TEW-673GRU", "TRENDnet TEW-673GRU", |
| tew673gru_setup); |