| /* 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 <vendorcode/google/chromeos/chromeos.h> |
| |
| void fill_lb_gpios(struct lb_gpios *gpios) |
| { |
| struct lb_gpio chromeos_gpios[] = { |
| /* Recovery: GPIO22 */ |
| {22, ACTIVE_LOW, !get_recovery_mode_switch(), "presence"}, |
| |
| /* Hard code the lid switch GPIO to open. */ |
| {-1, ACTIVE_HIGH, 1, "lid"}, |
| |
| /* Power Button */ |
| {-1, ACTIVE_HIGH, 0, "power"}, |
| |
| /* Did we load the VGA option ROM? */ |
| {-1, ACTIVE_HIGH, gfx_get_init_done(), "oprom"}, |
| }; |
| lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios)); |
| } |
| |
| int get_recovery_mode_switch(void) |
| { |
| /* Recovery: GPIO22, active low */ |
| return !get_gpio(22); |
| } |
| |
| int get_write_protect_state(void) |
| { |
| /* Write protect is active low, so invert it here */ |
| return !get_gpio(48); |
| } |
| |
| static const struct cros_gpio cros_gpios[] = { |
| CROS_GPIO_REC_AL(22, CROS_GPIO_DEVICE_NAME), |
| CROS_GPIO_WP_AL(48, CROS_GPIO_DEVICE_NAME), |
| }; |
| |
| void mainboard_chromeos_acpi_generate(void) |
| { |
| chromeos_acpi_gpio_generate(cros_gpios, ARRAY_SIZE(cros_gpios)); |
| } |