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/*
* ALFA NETWORK Tube2H board support
*
* Copyright (C) 2014 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/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-wmac.h"
#include "machtypes.h"
#define TUBE2H_GPIO_LED_SIGNAL4 0
#define TUBE2H_GPIO_LED_SIGNAL3 1
#define TUBE2H_GPIO_LED_SIGNAL2 13
#define TUBE2H_GPIO_LED_LAN 17
#define TUBE2H_GPIO_LED_SIGNAL1 27
#define TUBE2H_GPIO_EXT_LNA 28
#define TUBE2H_GPIO_BTN_RESET 12
#define TUBE2H_KEYS_POLL_INTERVAL 20 /* msecs */
#define TUBE2H_KEYS_DEBOUNCE_INTERVAL (3 * TUBE2H_KEYS_POLL_INTERVAL)
#define TUBE2H_ART_ADDRESS 0x1f7f0000
#define TUBE2H_LAN_MAC_OFFSET 0x06
#define TUBE2H_CALDATA_OFFSET 0x1000
static struct gpio_led tube2h_leds_gpio[] __initdata = {
{
.name = "alfa:blue:lan",
.gpio = TUBE2H_GPIO_LED_LAN,
.active_low = 1,
},
{
.name = "alfa:red:signal1",
.gpio = TUBE2H_GPIO_LED_SIGNAL1,
.active_low = 1,
},
{
.name = "alfa:orange:signal2",
.gpio = TUBE2H_GPIO_LED_SIGNAL2,
.active_low = 0,
},
{
.name = "alfa:green:signal3",
.gpio = TUBE2H_GPIO_LED_SIGNAL3,
.active_low = 0,
},
{
.name = "alfa:green:signal4",
.gpio = TUBE2H_GPIO_LED_SIGNAL4,
.active_low = 0,
},
};
static struct gpio_keys_button tube2h_gpio_keys[] __initdata = {
{
.desc = "Reset button",
.type = EV_KEY,
.code = KEY_RESTART,
.debounce_interval = TUBE2H_KEYS_DEBOUNCE_INTERVAL,
.gpio = TUBE2H_GPIO_BTN_RESET,
.active_low = 1,
},
};
static void __init tube2h_setup(void)
{
u8 *art = (u8 *) KSEG1ADDR(TUBE2H_ART_ADDRESS);
u32 t;
ath79_gpio_function_disable(AR933X_GPIO_FUNC_JTAG_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);
/* Ensure that GPIO26 and GPIO27 are controllable by software */
t = ath79_reset_rr(AR933X_RESET_REG_BOOTSTRAP);
t |= AR933X_BOOTSTRAP_MDIO_GPIO_EN;
ath79_reset_wr(AR933X_RESET_REG_BOOTSTRAP, t);
gpio_request_one(TUBE2H_GPIO_EXT_LNA,
GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
"external LNA0");
ath79_register_wmac(art + TUBE2H_CALDATA_OFFSET, NULL);
ath79_register_m25p80(NULL);
ath79_register_leds_gpio(-1, ARRAY_SIZE(tube2h_leds_gpio),
tube2h_leds_gpio);
ath79_register_gpio_keys_polled(-1, TUBE2H_KEYS_POLL_INTERVAL,
ARRAY_SIZE(tube2h_gpio_keys),
tube2h_gpio_keys);
ath79_init_mac(ath79_eth0_data.mac_addr,
art + TUBE2H_LAN_MAC_OFFSET, 0);
ath79_register_mdio(0, 0x0);
ath79_register_eth(0);
}
MIPS_MACHINE(ATH79_MACH_TUBE2H, "TUBE2H", "ALFA NETWORK Tube2H",
tube2h_setup);
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