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119 lines
3.0 KiB
C
119 lines
3.0 KiB
C
/*
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* ALFA NETWORK Tube2H board support
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*
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* Copyright (C) 2014 Gabor Juhos <juhosg@openwrt.org>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published
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* by the Free Software Foundation.
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*/
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#include <linux/gpio.h>
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#include <asm/mach-ath79/ath79.h>
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#include <asm/mach-ath79/ar71xx_regs.h>
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#include "common.h"
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#include "dev-eth.h"
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#include "dev-gpio-buttons.h"
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#include "dev-leds-gpio.h"
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#include "dev-m25p80.h"
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#include "dev-wmac.h"
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#include "machtypes.h"
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#define TUBE2H_GPIO_LED_SIGNAL4 0
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#define TUBE2H_GPIO_LED_SIGNAL3 1
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#define TUBE2H_GPIO_LED_SIGNAL2 13
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#define TUBE2H_GPIO_LED_LAN 17
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#define TUBE2H_GPIO_LED_SIGNAL1 27
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#define TUBE2H_GPIO_EXT_LNA 28
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#define TUBE2H_GPIO_BTN_RESET 12
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#define TUBE2H_KEYS_POLL_INTERVAL 20 /* msecs */
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#define TUBE2H_KEYS_DEBOUNCE_INTERVAL (3 * TUBE2H_KEYS_POLL_INTERVAL)
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#define TUBE2H_ART_ADDRESS 0x1f7f0000
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#define TUBE2H_LAN_MAC_OFFSET 0x06
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#define TUBE2H_CALDATA_OFFSET 0x1000
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static struct gpio_led tube2h_leds_gpio[] __initdata = {
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{
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.name = "alfa:blue:lan",
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.gpio = TUBE2H_GPIO_LED_LAN,
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.active_low = 1,
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},
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{
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.name = "alfa:red:signal1",
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.gpio = TUBE2H_GPIO_LED_SIGNAL1,
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.active_low = 1,
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},
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{
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.name = "alfa:orange:signal2",
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.gpio = TUBE2H_GPIO_LED_SIGNAL2,
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.active_low = 0,
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},
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{
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.name = "alfa:green:signal3",
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.gpio = TUBE2H_GPIO_LED_SIGNAL3,
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.active_low = 0,
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},
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{
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.name = "alfa:green:signal4",
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.gpio = TUBE2H_GPIO_LED_SIGNAL4,
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.active_low = 0,
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},
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};
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static struct gpio_keys_button tube2h_gpio_keys[] __initdata = {
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{
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.desc = "Reset button",
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.type = EV_KEY,
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.code = KEY_RESTART,
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.debounce_interval = TUBE2H_KEYS_DEBOUNCE_INTERVAL,
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.gpio = TUBE2H_GPIO_BTN_RESET,
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.active_low = 1,
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},
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};
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static void __init tube2h_setup(void)
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{
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u8 *art = (u8 *) KSEG1ADDR(TUBE2H_ART_ADDRESS);
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u32 t;
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ath79_gpio_function_disable(AR933X_GPIO_FUNC_JTAG_DISABLE |
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AR933X_GPIO_FUNC_ETH_SWITCH_LED0_EN |
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AR933X_GPIO_FUNC_ETH_SWITCH_LED1_EN |
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AR933X_GPIO_FUNC_ETH_SWITCH_LED2_EN |
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AR933X_GPIO_FUNC_ETH_SWITCH_LED3_EN |
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AR933X_GPIO_FUNC_ETH_SWITCH_LED4_EN);
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/* Ensure that GPIO26 and GPIO27 are controllable by software */
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t = ath79_reset_rr(AR933X_RESET_REG_BOOTSTRAP);
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t |= AR933X_BOOTSTRAP_MDIO_GPIO_EN;
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ath79_reset_wr(AR933X_RESET_REG_BOOTSTRAP, t);
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gpio_request_one(TUBE2H_GPIO_EXT_LNA,
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GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
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"external LNA0");
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ath79_register_wmac(art + TUBE2H_CALDATA_OFFSET, NULL);
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ath79_register_m25p80(NULL);
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ath79_register_leds_gpio(-1, ARRAY_SIZE(tube2h_leds_gpio),
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tube2h_leds_gpio);
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ath79_register_gpio_keys_polled(-1, TUBE2H_KEYS_POLL_INTERVAL,
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ARRAY_SIZE(tube2h_gpio_keys),
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tube2h_gpio_keys);
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ath79_init_mac(ath79_eth0_data.mac_addr,
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art + TUBE2H_LAN_MAC_OFFSET, 0);
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ath79_register_mdio(0, 0x0);
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ath79_register_eth(0);
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}
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MIPS_MACHINE(ATH79_MACH_TUBE2H, "TUBE2H", "ALFA NETWORK Tube2H",
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tube2h_setup);
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