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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2018, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* 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 <bootmode.h>
#include "board.h"
int get_write_protect_state(void)
{
return !gpio_get(GPIO_WP_STATE);
}
void setup_chromeos_gpios(void)
{
gpio_input_pullup(GPIO_EC_IN_RW);
gpio_input_pullup(GPIO_AP_EC_INT);
gpio_output(GPIO_AP_SUSPEND, 1);
gpio_input(GPIO_WP_STATE);
gpio_input_pullup(GPIO_H1_AP_INT);
}
void fill_lb_gpios(struct lb_gpios *gpios)
{
struct lb_gpio chromeos_gpios[] = {
{GPIO_EC_IN_RW.addr, ACTIVE_LOW, gpio_get(GPIO_EC_IN_RW),
"EC in RW"},
{GPIO_AP_EC_INT.addr, ACTIVE_LOW, gpio_get(GPIO_AP_EC_INT),
"EC interrupt"},
{GPIO_WP_STATE.addr, ACTIVE_LOW, !get_write_protect_state(),
"write protect"},
{GPIO_H1_AP_INT.addr, ACTIVE_LOW, gpio_get(GPIO_H1_AP_INT),
"TPM interrupt"},
};
lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios));
}
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