OpenWrt – Rev 4
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/*
* DRAGINO V2 board support, based on Atheros AP121 board support
*
* Copyright (C) 2011-2012 Gabor Juhos <juhosg@openwrt.org>
* Copyright (C) 2012 Elektra Wagenrad <elektra@villagetelco.org>
* Copyright (C) 2014 Vittorio Gambaletta <openwrt@vittgam.net>
*
* 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/gpio.h>
#include <asm/mach-ath79/ath79.h>
#include <asm/mach-ath79/ar71xx_regs.h>
#include "common.h"
#include "dev-eth.h"
#include "dev-gpio-buttons.h"
#include "dev-leds-gpio.h"
#include "dev-m25p80.h"
#include "dev-spi.h"
#include "dev-usb.h"
#include "dev-wmac.h"
#include "machtypes.h"
#define DRAGINO2_GPIO_LED_WLAN 0
#define DRAGINO2_GPIO_LED_LAN 13
#define DRAGINO2_GPIO_LED_WAN 17
/*
* The following GPIO is named "SYS" on newer revisions of the the board.
* It was previously used to indicate USB activity, even though it was
* named "Router".
*/
#define DRAGINO2_GPIO_LED_SYS 28
#define DRAGINO2_GPIO_BTN_JUMPSTART 11
#define DRAGINO2_GPIO_BTN_RESET 12
#define DRAGINO2_KEYS_POLL_INTERVAL 20 /* msecs */
#define DRAGINO2_KEYS_DEBOUNCE_INTERVAL (3 * DRAGINO2_KEYS_POLL_INTERVAL)
#define DRAGINO2_MAC0_OFFSET 0x0000
#define DRAGINO2_MAC1_OFFSET 0x0006
#define DRAGINO2_CALDATA_OFFSET 0x1000
#define DRAGINO2_WMAC_MAC_OFFSET 0x1002
static struct gpio_led dragino2_leds_gpio[] __initdata = {
{
.name = "dragino2:red:wlan",
.gpio = DRAGINO2_GPIO_LED_WLAN,
.active_low = 0,
},
{
.name = "dragino2:red:wan",
.gpio = DRAGINO2_GPIO_LED_WAN,
.active_low = 1,
},
{
.name = "dragino2:red:lan",
.gpio = DRAGINO2_GPIO_LED_LAN,
.active_low = 1,
},
{
.name = "dragino2:red:system",
.gpio = DRAGINO2_GPIO_LED_SYS,
.active_low = 0,
},
};
static struct gpio_keys_button dragino2_gpio_keys[] __initdata = {
{
.desc = "jumpstart button",
.type = EV_KEY,
.code = KEY_WPS_BUTTON,
.debounce_interval = DRAGINO2_KEYS_DEBOUNCE_INTERVAL,
.gpio = DRAGINO2_GPIO_BTN_JUMPSTART,
.active_low = 1,
},
{
.desc = "reset button",
.type = EV_KEY,
.code = KEY_RESTART,
.debounce_interval = DRAGINO2_KEYS_DEBOUNCE_INTERVAL,
.gpio = DRAGINO2_GPIO_BTN_RESET,
.active_low = 1,
}
};
static void __init dragino2_common_setup(void)
{
u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
ath79_register_m25p80(NULL);
ath79_register_wmac(art + DRAGINO2_CALDATA_OFFSET,
art + DRAGINO2_WMAC_MAC_OFFSET);
ath79_init_mac(ath79_eth0_data.mac_addr, art + DRAGINO2_MAC0_OFFSET, 0);
ath79_init_mac(ath79_eth1_data.mac_addr, art + DRAGINO2_MAC1_OFFSET, 0);
ath79_register_mdio(0, 0x0);
/* Enable GPIO13, GPIO14, GPIO15, GPIO16 and GPIO17 */
ath79_gpio_function_disable(AR933X_GPIO_FUNC_ETH_SWITCH_LED0_EN |
AR933X_GPIO_FUNC_ETH_SWITCH_LED1_EN |
AR933X_GPIO_FUNC_ETH_SWITCH_LED2_EN |
AR933X_GPIO_FUNC_ETH_SWITCH_LED3_EN |
AR933X_GPIO_FUNC_ETH_SWITCH_LED4_EN);
/* LAN port */
ath79_register_eth(1);
/* WAN port */
ath79_register_eth(0);
/* Enable GPIO26 and GPIO27 */
ath79_reset_wr(AR933X_RESET_REG_BOOTSTRAP,
ath79_reset_rr(AR933X_RESET_REG_BOOTSTRAP) |
AR933X_BOOTSTRAP_MDIO_GPIO_EN);
}
static void __init dragino2_setup(void)
{
dragino2_common_setup();
ath79_register_leds_gpio(-1, ARRAY_SIZE(dragino2_leds_gpio),
dragino2_leds_gpio);
ath79_register_gpio_keys_polled(-1, DRAGINO2_KEYS_POLL_INTERVAL,
ARRAY_SIZE(dragino2_gpio_keys),
dragino2_gpio_keys);
ath79_register_usb();
}
MIPS_MACHINE(ATH79_MACH_DRAGINO2, "DRAGINO2", "Dragino Dragino v2",
dragino2_setup);