xref: /freebsd-11-stable/sys/sparc64/sparc64/ofw_machdep.c

/*-
 * Copyright (c) 2001 by Thomas Moestl <tmm@FreeBSD.org>.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
 * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * $FreeBSD: head/sys/sparc64/sparc64/ofw_machdep.c 119338 2003-08-23 00:11:16Z imp $
 */

/*
 * Some OpenFirmware helper functions that are likely machine dependent.
 */

#include <sys/param.h>
#include <sys/systm.h>

#include <net/ethernet.h>

#include <dev/ofw/openfirm.h>

#include <machine/idprom.h>
#include <machine/ofw_machdep.h>

void
OF_getetheraddr(device_t dev, u_char *addr)
{
	phandle_t node;
	struct idprom idp;

	node = OF_peer(0);
	if (node <= 0 || OF_getprop(node, "idprom", &idp, sizeof(idp)) == -1)
		panic("Could not determine the machine ethernet address");
	bcopy(&idp.id_ether, addr, ETHER_ADDR_LEN);
}