| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright 2018 MediaTek Inc. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; version 2 of the License. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| */ |
| |
| #include <bootmode.h> |
| #include <boot/coreboot_tables.h> |
| #include <gpio.h> |
| #include <security/tpm/tis.h> |
| |
| #include "gpio.h" |
| |
| void setup_chromeos_gpios(void) |
| { |
| gpio_input_pullup(EC_IN_RW); |
| gpio_input_pullup(EC_IRQ); |
| gpio_output(GPIO_RESET, 0); |
| } |
| |
| void fill_lb_gpios(struct lb_gpios *gpios) |
| { |
| struct lb_gpio chromeos_gpios[] = { |
| {-1, ACTIVE_HIGH, get_recovery_mode_switch(), "recovery"}, |
| {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 0; |
| } |
| |
| int tis_plat_irq_status(void) |
| { |
| return gpio_eint_poll(CR50_IRQ); |
| } |