src/mainboard/google/nyan_big/chromeos.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <boot/coreboot_tables.h>
   4 #include <bootmode.h>
   5 #include <gpio.h>
   6
   7 void fill_lb_gpios(struct lb_gpios *gpios)
   8 {
   9         struct lb_gpio chromeos_gpios[] = {
  10                 {GPIO(R4), ACTIVE_HIGH, -1, "lid"},
  11                 {GPIO(Q0), ACTIVE_LOW, -1, "power"},
  12                 {GPIO(U4), ACTIVE_HIGH, -1, "EC in RW"},
  13                 {GPIO(I5), 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(GPIO(R1));
  21 }
  22
  23 int get_ec_is_trusted(void)
  24 {
  25         /* EC is trusted if not in RW. */
  26         return !gpio_get(GPIO(U4));
  27 }