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 <vendorcode/google/chromeos/chromeos.h>
8 #include <variant/gpio.h>
9
fill_lb_gpios(struct lb_gpios * gpios)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 {-1, ACTIVE_HIGH, gfx_get_init_done(), "oprom"},
16 {GPIO_EC_IN_RW, ACTIVE_HIGH,
17 gpio_get(GPIO_EC_IN_RW), "EC in RW"},
18 };
19 lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios));
20 }
21
get_write_protect_state(void)22 int get_write_protect_state(void)
23 {
24 /* Read PCH_WP GPIO. */
25 return gpio_get(GPIO_PCH_WP);
26 }
27
28 static const struct cros_gpio cros_gpios[] = {
29 CROS_GPIO_REC_AL(CROS_GPIO_VIRTUAL, CROS_GPIO_DEVICE_NAME),
30 CROS_GPIO_WP_AH(GPIO_PCH_WP, CROS_GPIO_DEVICE_NAME),
31 };
32 DECLARE_CROS_GPIOS(cros_gpios);
33
get_ec_is_trusted(void)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 }
39