| /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| |
| #include <baseboard/gpio.h> |
| #include <boardid.h> |
| #include <boot/coreboot_tables.h> |
| #include <gpio.h> |
| #include <vendorcode/google/chromeos/chromeos.h> |
| |
| void fill_lb_gpios(struct lb_gpios *gpios) |
| { |
| struct lb_gpio chromeos_gpios[] = { |
| {-1, ACTIVE_HIGH, get_lid_switch(), "lid"}, |
| {-1, ACTIVE_HIGH, 0, "power"}, |
| {GPIO_EC_IN_RW, ACTIVE_HIGH, gpio_get(GPIO_EC_IN_RW), "EC in RW"}, |
| }; |
| lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios)); |
| } |
| |
| static const struct cros_gpio cros_gpios[] = { |
| CROS_GPIO_REC_AL(CROS_GPIO_VIRTUAL, GPIO_DEVICE_NAME), |
| CROS_GPIO_WP_AL(CROS_WP_GPIO, GPIO_DEVICE_NAME), |
| }; |
| |
| void mainboard_chromeos_acpi_generate(void) |
| { |
| chromeos_acpi_gpio_generate(cros_gpios, ARRAY_SIZE(cros_gpios)); |
| } |
| |
| int get_ec_is_trusted(void) |
| { |
| /* Board versions 1 & 2 support H1 DB, but the EC_IN_RW signal is not |
| routed. So emulate EC is trusted. */ |
| if (CONFIG(BOARD_GOOGLE_GUYBRUSH) && |
| (board_id() == UNDEFINED_STRAPPING_ID || board_id() < 3)) |
| return 1; |
| /* EC is trusted if not in RW. */ |
| return !gpio_get(GPIO_EC_IN_RW); |
| } |