summaryrefslogtreecommitdiff
path: root/src/mainboard/google/rush_ryu/boardid.c
blob: 9c4d18407de940b923242c069cfa1b69ee7ac6ab (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
/*
 * 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_base3_value(gpio, ARRAY_SIZE(gpio));
	}

	return id;
}