| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright 2015 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 <boardid.h> |
| #include <boot/coreboot_tables.h> |
| #include <console/console.h> |
| #include <ec/google/chromeec/ec.h> |
| #include <ec/google/chromeec/ec_commands.h> |
| #include <gpio.h> |
| #include <string.h> |
| #include <vendorcode/google/chromeos/chromeos.h> |
| |
| #include "gpio.h" |
| |
| void setup_chromeos_gpios(void) |
| { |
| gpio_input(WRITE_PROTECT); |
| gpio_input_pullup(EC_IN_RW); |
| gpio_input_pullup(EC_IRQ); |
| gpio_input_pullup(LID); |
| gpio_input_pullup(POWER_BUTTON); |
| if (board_id() + CONFIG_BOARD_ID_ADJUSTMENT < 5) |
| gpio_output(EC_SUSPEND_L, 1); |
| } |
| |
| void fill_lb_gpios(struct lb_gpios *gpios) |
| { |
| struct lb_gpio chromeos_gpios[] = { |
| {WRITE_PROTECT, ACTIVE_LOW, |
| gpio_get(WRITE_PROTECT), "write protect"}, |
| {-1, ACTIVE_HIGH, get_recovery_mode_switch(), "recovery"}, |
| {LID, ACTIVE_HIGH, -1, "lid"}, |
| {POWER_BUTTON, ACTIVE_HIGH, -1, "power"}, |
| {-1, ACTIVE_HIGH, get_developer_mode_switch(), "developer"}, |
| {EC_IN_RW, ACTIVE_HIGH, -1, "EC in RW"}, |
| {EC_IRQ, ACTIVE_LOW, -1, "EC interrupt"}, |
| }; |
| lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios)); |
| } |
| |
| int get_developer_mode_switch(void) |
| { |
| return 0; |
| } |
| |
| int get_recovery_mode_switch(void) |
| { |
| uint32_t ec_events; |
| |
| ec_events = google_chromeec_get_events_b(); |
| return !!(ec_events & |
| EC_HOST_EVENT_MASK(EC_HOST_EVENT_KEYBOARD_RECOVERY)); |
| } |
| |
| int get_write_protect_state(void) |
| { |
| return !gpio_get(WRITE_PROTECT); |
| } |