src/mainboard/google/guybrush/chromeos.c

/* SPDX-License-Identifier: GPL-2.0-or-later */

#include <baseboard/gpio.h>
#include <boardid.h>
#include <bootmode.h>
#include <boot/coreboot_tables.h>
#include <gpio.h>
#include <types.h>
#include <vendorcode/google/chromeos/chromeos.h>

void fill_lb_gpios(struct lb_gpios *gpios)
{
	struct lb_gpio chromeos_gpios[] = {
		{GPIO_EC_IN_RW, ACTIVE_HIGH, gpio_get(GPIO_EC_IN_RW), "EC in RW"},
	};
	lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios));
}

static const struct cros_gpio cros_gpios[] = {
	CROS_GPIO_REC_AL(CROS_GPIO_VIRTUAL, GPIO_DEVICE_NAME),
	CROS_GPIO_WP_AL(CROS_WP_GPIO, GPIO_DEVICE_NAME),
};
DECLARE_CROS_GPIOS(cros_gpios);

int get_ec_is_trusted(void)
{
	/* Board versions 1 & 2 support H1 DB, but the EC_IN_RW signal is not
	   routed. So emulate EC is trusted. */
	if (CONFIG(BOARD_GOOGLE_GUYBRUSH) &&
	    (board_id() == UNDEFINED_STRAPPING_ID || board_id() < 3))
		return 1;
	/* EC is trusted if not in RW. */
	return !gpio_get(GPIO_EC_IN_RW);
}