ofw_machdep.c revision 88370 
1/*-
2 * Copyright (c) 2001 by Thomas Moestl <tmm@FreeBSD.org>.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17 * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
18 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
20 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
21 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
22 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
23 * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 *
25 * $FreeBSD: head/sys/sparc64/sparc64/ofw_machdep.c 88370 2001-12-21 21:31:44Z tmm $
26 */
27
28/*
29 * Some OpenFirmware helper functions that are likely machine dependent.
30 */
31
32#include <sys/param.h>
33#include <sys/systm.h>
34
35#include <net/ethernet.h>
36
37#include <ofw/openfirm.h>
38
39#include <machine/idprom.h>
40#include <machine/ofw_machdep.h>
41
42void
43OF_getetheraddr(device_t dev, u_char *addr)
44{
45	phandle_t node;
46	struct idprom idp;
47
48	node = OF_peer(0);
49	if (node <= 0 || OF_getprop(node, "idprom", &idp, sizeof(idp)) == -1)
50		panic("Could not determine the machine ethernet address");
51	bcopy(&idp.id_ether, addr, ETHER_ADDR_LEN);
52}
53