src/mainboard/google/zork/chromeos.c

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2
   3 #include <bootmode.h>
   4 #include <boot/coreboot_tables.h>
   5 #include <gpio.h>
   6 #include <variant/gpio.h>
   7 #include <types.h>
   8 #include <vendorcode/google/chromeos/chromeos.h>
   9
  10 void fill_lb_gpios(struct lb_gpios *gpios)
  11 {
  12         struct lb_gpio chromeos_gpios[] = {
  13                 {-1, ACTIVE_HIGH, get_lid_switch(), "lid"},
  14                 {-1, ACTIVE_HIGH, 0, "power"},
  15                 {GPIO_EC_IN_RW, ACTIVE_HIGH, gpio_get(GPIO_EC_IN_RW),
  16                  "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         /* Write protect on zork is active low, so invert it here */
  24         return !gpio_get(CROS_WP_GPIO);
  25 }
  26
  27 static const struct cros_gpio cros_gpios[] = {
  28         CROS_GPIO_REC_AL(CROS_GPIO_VIRTUAL, GPIO_DEVICE_NAME),
  29         CROS_GPIO_WP_AL(CROS_WP_GPIO, GPIO_DEVICE_NAME),
  30 };
  31 DECLARE_CROS_GPIOS(cros_gpios);
  32
  33 int get_ec_is_trusted(void)
  34 {
  35         /* EC is trusted if not in RW. */
  36         return !gpio_get(GPIO_EC_IN_RW);
  37 }