1 /* SPDX-License-Identifier: GPL-2.0-only */
2
3 #include <boot/coreboot_tables.h>
4 #include <ec/google/chromeec/ec.h>
5 #include <ec/google/chromeec/ec_commands.h>
6 #include <soc/cpu.h>
7 #include <soc/gpio.h>
8 #include <types.h>
9 #include <vendorcode/google/chromeos/chromeos.h>
10 #include <bootmode.h>
11
fill_lb_gpios(struct lb_gpios * gpios)12 void fill_lb_gpios(struct lb_gpios *gpios)
13 {
14 struct lb_gpio chromeos_gpios[] = {
15 /* Lid: active high (LID_GPIO) */
16 {EXYNOS5_GPX3, ACTIVE_HIGH, gpio_get_value(GPIO_X35), "lid"},
17
18 /* Power: virtual GPIO active low (POWER_GPIO) */
19 {EXYNOS5_GPX1, ACTIVE_LOW, gpio_get_value(GPIO_X13), "power"},
20 };
21 lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios));
22 }
23
get_recovery_mode_switch(void)24 int get_recovery_mode_switch(void)
25 {
26 uint64_t ec_events;
27
28 /* The GPIO is active low. */
29 if (!gpio_get_value(GPIO_Y10)) // RECMODE_GPIO
30 return 1;
31
32 ec_events = google_chromeec_get_events_b();
33 return !!(ec_events &
34 EC_HOST_EVENT_MASK(EC_HOST_EVENT_KEYBOARD_RECOVERY));
35 }
36
get_write_protect_state(void)37 int get_write_protect_state(void)
38 {
39 return !gpio_get_value(GPIO_D16);
40 }
41
get_ec_is_trusted(void)42 int get_ec_is_trusted(void)
43 {
44 /* EC is trusted if not in RW. */
45 return !gpio_get_value(GPIO_D17);
46 }
47