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/*
* This file is part of the coreboot project.
*
* Copyright 2014 Rockchip Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <boot/coreboot_tables.h>
#include <console/console.h>
#include <gpio.h>
#include <string.h>
#include <vendorcode/google/chromeos/chromeos.h>
#include "board.h"
#define GPIO_WP GPIO(7, A, 6)
#define GPIO_POWER GPIO(0, A, 5)
#define GPIO_RECOVERY GPIO(0, B, 1)
#define GPIO_DEV_MODE GPIO(7, B, 2)
void setup_chromeos_gpios(void)
{
gpio_input(GPIO_WP);
gpio_input(GPIO_POWER);
gpio_input(GPIO_DEV_MODE);
gpio_input_pullup(GPIO_RECOVERY);
}
void fill_lb_gpios(struct lb_gpios *gpios)
{
struct lb_gpio chromeos_gpios[] = {
{GPIO_WP.raw, ACTIVE_LOW, gpio_get(GPIO_WP), "write protect"},
{GPIO_RECOVERY.raw, ACTIVE_LOW,
gpio_get(GPIO_RECOVERY), "recovery"},
{GPIO_POWER.raw, ACTIVE_LOW, -1, "power"},
{GPIO_DEV_MODE.raw, ACTIVE_HIGH,
get_developer_mode_switch(), "developer"},
{GPIO_RESET.raw, ACTIVE_HIGH, -1, "reset"},
};
lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios));
}
int get_developer_mode_switch(void)
{
return !gpio_get(GPIO_DEV_MODE);
}
int get_recovery_mode_switch(void)
{
return !gpio_get(GPIO_RECOVERY);
}
int get_write_protect_state(void)
{
return !gpio_get(GPIO_WP);
}
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