| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <bootmode.h> |
| #include <boot/coreboot_tables.h> |
| #include <device/device.h> |
| |
| #include <southbridge/intel/bd82x6x/pch.h> |
| #include <southbridge/intel/common/gpio.h> |
| #include <ec/quanta/ene_kb3940q/ec.h> |
| #include <types.h> |
| #include <vendorcode/google/chromeos/chromeos.h> |
| #include "ec.h" |
| #include "onboard.h" |
| |
| void fill_lb_gpios(struct lb_gpios *gpios) |
| { |
| struct lb_gpio chromeos_gpios[] = { |
| /* lid switch value from EC */ |
| {-1, ACTIVE_HIGH, get_lid_switch(), "lid"}, |
| |
| /* Power Button - Hardcode Low as power button may still be |
| * pressed when read here.*/ |
| {-1, ACTIVE_HIGH, 0, "power"}, |
| |
| /* Was VGA Option ROM loaded? */ |
| /* -1 indicates that this is a pseudo GPIO */ |
| {-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(WP_GPIO); |
| } |
| |
| int get_lid_switch(void) |
| { |
| return (ec_mem_read(EC_HW_GPI_STATUS) >> EC_GPI_LID_STAT_BIT) & 1; |
| } |
| |
| /* FIXME: VBOOT reads this in ENV_ROMSTAGE. */ |
| int get_recovery_mode_switch(void) |
| { |
| if (ENV_RAMSTAGE) |
| return (ec_mem_read(EC_CODE_STATE) == EC_COS_EC_RO); |
| |
| return 0; |
| } |
| |
| static const struct cros_gpio cros_gpios[] = { |
| CROS_GPIO_REC_AH(CROS_GPIO_VIRTUAL, CROS_GPIO_DEVICE_NAME), |
| CROS_GPIO_WP_AL(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) |
| { |
| /* Do not have a Chrome EC involved in entering recovery mode; |
| Always return trusted. */ |
| return 1; |
| } |