src/mainboard/google/kahlee/chromeos.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <types.h>
   4 #include <vendorcode/google/chromeos/chromeos.h>
   5 #include <bootmode.h>
   6 #include <boot/coreboot_tables.h>
   7 #include <gpio.h>
   8 #include <variant/gpio.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         };
  19         lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios));
  20 }
  21
  22 int get_write_protect_state(void)
  23 {
  24         /* Write protect is active low, so invert it here */
  25         return !gpio_get(CROS_WP_GPIO);
  26 }
  27
  28 static const struct cros_gpio cros_gpios[] = {
  29         CROS_GPIO_REC_AL(CROS_GPIO_VIRTUAL, GPIO_DEVICE_NAME),
  30         CROS_GPIO_WP_AL(CROS_WP_GPIO, GPIO_DEVICE_NAME),
  31 };
  32 DECLARE_CROS_GPIOS(cros_gpios);
  33
  34 int get_ec_is_trusted(void)
  35 {
  36         /* EC is trusted if not in RW. */
  37         return !gpio_get(GPIO_EC_IN_RW);
  38 }