src/mainboard/intel/kunimitsu/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 <soc/gpio.h>
   7 #include <types.h>
   8 #include <vendorcode/google/chromeos/chromeos.h>
   9 #include "gpio.h"
  10
  11 void fill_lb_gpios(struct lb_gpios *gpios)
  12 {
  13         struct lb_gpio chromeos_gpios[] = {
  14                 {-1, ACTIVE_HIGH, get_lid_switch(), "lid"},
  15                 {-1, ACTIVE_HIGH, 0, "power"},
  16                 {-1, ACTIVE_HIGH, gfx_get_init_done(), "oprom"},
  17                 {GPIO_EC_IN_RW, ACTIVE_HIGH,
  18                         gpio_get(GPIO_EC_IN_RW), "EC in RW"},
  19         };
  20         lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios));
  21 }
  22
  23 int get_write_protect_state(void)
  24 {
  25         /* Read PCH_WP GPIO. */
  26         return gpio_get(GPIO_PCH_WP);
  27 }
  28
  29 static const struct cros_gpio cros_gpios[] = {
  30         CROS_GPIO_REC_AL(CROS_GPIO_VIRTUAL, CROS_GPIO_DEVICE_NAME),
  31         CROS_GPIO_WP_AH(GPIO_PCH_WP, CROS_GPIO_DEVICE_NAME),
  32 };
  33 DECLARE_CROS_GPIOS(cros_gpios);
  34
  35 int get_ec_is_trusted(void)
  36 {
  37         /* EC is trusted if not in RW. */
  38         return !gpio_get(GPIO_EC_IN_RW);
  39 }