diff options
Diffstat (limited to 'target/linux/ar71xx/files/arch/mips/ath79/mach-tew-673gru.c')
| -rw-r--r-- | target/linux/ar71xx/files/arch/mips/ath79/mach-tew-673gru.c | 210 |
1 files changed, 210 insertions, 0 deletions
diff --git a/target/linux/ar71xx/files/arch/mips/ath79/mach-tew-673gru.c b/target/linux/ar71xx/files/arch/mips/ath79/mach-tew-673gru.c new file mode 100644 index 000000000..207384f99 --- /dev/null +++ b/target/linux/ar71xx/files/arch/mips/ath79/mach-tew-673gru.c @@ -0,0 +1,210 @@ +/* + * 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); |