| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <bootmode.h> |
| #include <boot/coreboot_tables.h> |
| #include <types.h> |
| #include <vendorcode/google/chromeos/chromeos.h> |
| #include <soc/chromeos.h> |
| #include <southbridge/intel/lynxpoint/lp_gpio.h> |
| |
| #include "onboard.h" |
| |
| /* EC_IN_RW is GPIO 25 in samus and 14 otherwise */ |
| #if CONFIG(BOARD_GOOGLE_SAMUS) |
| #define EC_IN_RW_GPIO 25 |
| #else |
| #define EC_IN_RW_GPIO 14 |
| #endif |
| |
| 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"}, |
| {-1, ACTIVE_HIGH, gfx_get_init_done(), "oprom"}, |
| }; |
| lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios)); |
| } |
| |
| int get_write_protect_state(void) |
| { |
| return get_gpio(CROS_WP_GPIO); |
| } |
| |
| static const struct cros_gpio cros_gpios[] = { |
| CROS_GPIO_REC_AL(CROS_GPIO_VIRTUAL, CROS_GPIO_DEVICE_NAME), |
| CROS_GPIO_WP_AH(CROS_WP_GPIO, CROS_GPIO_DEVICE_NAME), |
| }; |
| |
| const struct cros_gpio *variant_cros_gpios(size_t *num) |
| { |
| *num = ARRAY_SIZE(cros_gpios); |
| return cros_gpios; |
| } |
| |
| int get_ec_is_trusted(void) |
| { |
| /* EC is trusted if not in RW. */ |
| return !get_gpio(EC_IN_RW_GPIO); |
| } |