chromeos.c

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/* 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));
}