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/*
* 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 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;
}
}
ath79_parse_ascii_mac(caldata + TEW673GRU_MAC0_OFFSET, mac1);
ath79_parse_ascii_mac(caldata + TEW673GRU_MAC1_OFFSET, mac2);
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);
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