| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <boardid.h> |
| #include <bootmode.h> |
| #include <boot/coreboot_tables.h> |
| #include <gpio.h> |
| |
| #include "gpio.h" |
| |
| void setup_chromeos_gpios(void) |
| { |
| gpio_input(WRITE_PROTECT); |
| gpio_input_pullup(EC_IN_RW); |
| gpio_input_pullup(EC_IRQ); |
| gpio_input(LID); |
| gpio_input_pullup(POWER_BUTTON); |
| if (board_id() + CONFIG_BOARD_ID_ADJUSTMENT < 5) |
| gpio_output(EC_SUSPEND_L, 1); |
| } |
| |
| void fill_lb_gpios(struct lb_gpios *gpios) |
| { |
| struct lb_gpio chromeos_gpios[] = { |
| {LID.id, ACTIVE_HIGH, -1, "lid"}, |
| {POWER_BUTTON.id, ACTIVE_HIGH, -1, "power"}, |
| {EC_IN_RW.id, ACTIVE_HIGH, -1, "EC in RW"}, |
| {EC_IRQ.id, ACTIVE_LOW, -1, "EC interrupt"}, |
| {CR50_IRQ.id, ACTIVE_HIGH, -1, "TPM interrupt"}, |
| }; |
| lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios)); |
| } |
| |
| int get_write_protect_state(void) |
| { |
| return !gpio_get(WRITE_PROTECT); |
| } |
| |
| int get_ec_is_trusted(void) |
| { |
| /* EC is trusted if not in RW. */ |
| return !gpio_get(EC_IN_RW); |
| } |