| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright 2014 Google 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. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #include <boardid.h> |
| #include <console/console.h> |
| #include <stdlib.h> |
| |
| #include "gpio.h" |
| |
| uint8_t board_id(void) |
| { |
| static int id = -1; |
| |
| if (id < 0) { |
| gpio_t gpio[] = {[1] = BD_ID1, [0] = BD_ID0}; /* ID0 is LSB */ |
| |
| id = gpio_get_tristates(gpio, ARRAY_SIZE(gpio)); |
| } |
| |
| return id; |
| } |