src/mainboard/google/smaug/chromeos.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <bootmode.h>
   4 #include <boot/coreboot_tables.h>
   5
   6 #include "gpio.h"
   7
   8 void fill_lb_gpios(struct lb_gpios *gpios)
   9 {
  10         struct lb_gpio chromeos_gpios[] = {
  11                 {POWER_BUTTON, ACTIVE_LOW, -1, "power"},
  12                 {EC_IN_RW, ACTIVE_HIGH, -1, "EC in RW"},
  13                 {AP_SYS_RESET_L, ACTIVE_LOW, -1, "reset"},
  14         };
  15         lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios));
  16 }
  17
  18 int get_write_protect_state(void)
  19 {
  20         return !gpio_get(WRITE_PROTECT_L);
  21 }
  22
  23 int get_ec_is_trusted(void)
  24 {
  25         /* EC is trusted if not in RW. */
  26         return !gpio_get(EC_IN_RW);
  27 }