src/mainboard/google/reef/chromeos.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <bootmode.h>
   4 #include <boot/coreboot_tables.h>
   5 #include <gpio.h>
   6 #include <types.h>
   7 #include <variant/gpio.h>
   8
   9 void fill_lb_gpios(struct lb_gpios *gpios)
  10 {
  11         struct lb_gpio chromeos_gpios[] = {
  12                 {-1, ACTIVE_HIGH, get_lid_switch(), "lid"},
  13                 {-1, ACTIVE_HIGH, 0, "power"},
  14                 {-1, ACTIVE_HIGH, gfx_get_init_done(), "oprom"},
  15                 {GPIO_EC_IN_RW, ACTIVE_HIGH,
  16                         gpio_get(GPIO_EC_IN_RW), "EC in RW"},
  17         };
  18         lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios));
  19 }
  20
  21 int get_write_protect_state(void)
  22 {
  23         /* Read PCH_WP GPIO. */
  24         return gpio_get(GPIO_PCH_WP);
  25 }
  26
  27 int get_ec_is_trusted(void)
  28 {
  29         /* EC is trusted if not in RW. */
  30         return !gpio_get(GPIO_EC_IN_RW);
  31 }