| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <boot/coreboot_tables.h> |
| #include <ec/google/chromeec/ec.h> |
| #include <ec/google/chromeec/ec_commands.h> |
| #include <soc/cpu.h> |
| #include <soc/gpio.h> |
| #include <types.h> |
| #include <vendorcode/google/chromeos/chromeos.h> |
| #include <bootmode.h> |
| |
| void fill_lb_gpios(struct lb_gpios *gpios) |
| { |
| struct lb_gpio chromeos_gpios[] = { |
| /* Lid: active high (LID_GPIO) */ |
| {EXYNOS5_GPX3, ACTIVE_HIGH, gpio_get_value(GPIO_X35), "lid"}, |
| |
| /* Power: virtual GPIO active low (POWER_GPIO) */ |
| {EXYNOS5_GPX1, ACTIVE_LOW, gpio_get_value(GPIO_X13), "power"}, |
| }; |
| lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios)); |
| } |
| |
| int get_recovery_mode_switch(void) |
| { |
| uint64_t ec_events; |
| |
| /* The GPIO is active low. */ |
| if (!gpio_get_value(GPIO_Y10)) // RECMODE_GPIO |
| return 1; |
| |
| ec_events = google_chromeec_get_events_b(); |
| return !!(ec_events & |
| EC_HOST_EVENT_MASK(EC_HOST_EVENT_KEYBOARD_RECOVERY)); |
| } |
| |
| int get_write_protect_state(void) |
| { |
| return !gpio_get_value(GPIO_D16); |
| } |
| |
| int get_ec_is_trusted(void) |
| { |
| /* EC is trusted if not in RW. */ |
| return !gpio_get_value(GPIO_D17); |
| } |