coreboot-kgpe-d16/src/mainboard/google/smaug/boardid.c

/*
 * This file is part of the coreboot project.
 *
 * Copyright 2015 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.
 */

#include <boardid.h>
#include <soc/sdram.h>
#include <stdlib.h>

#include "gpio.h"

uint32_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;
}

uint32_t ram_code(void)
{
	return sdram_get_ram_code();
}