src/mainboard/google/nyan_big/chromeos.c

/* SPDX-License-Identifier: GPL-2.0-only */

#include <boot/coreboot_tables.h>
#include <bootmode.h>
#include <gpio.h>

void fill_lb_gpios(struct lb_gpios *gpios)
{
	struct lb_gpio chromeos_gpios[] = {
		{GPIO(R4), ACTIVE_HIGH, -1, "lid"},
		{GPIO(Q0), ACTIVE_LOW, -1, "power"},
		{GPIO(U4), ACTIVE_HIGH, -1, "EC in RW"},
		{GPIO(I5), ACTIVE_LOW, -1, "reset"},
	};
	lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios));
}

int get_write_protect_state(void)
{
	return !gpio_get(GPIO(R1));
}

int get_ec_is_trusted(void)
{
	/* EC is trusted if not in RW. */
	return !gpio_get(GPIO(U4));
}