1/* $NetBSD: au_chipdep.c,v 1.3 2011/07/01 18:39:29 dyoung Exp $ */
2
3/*-
4 * Copyright (c) 2006 Itronix Inc.
5 * All rights reserved.
6 *
7 * Written by Garrett D'Amore for Itronix Inc.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 * 3. The name of Itronix Inc. may not be used to endorse
18 *    or promote products derived from this software without specific
19 *    prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY ITRONIX INC. ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
23 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
24 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL ITRONIX INC. BE LIABLE FOR ANY
25 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
26 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
27 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
28 * ON ANY THEORY OF LIABILITY, WHETHER IN
29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31 * POSSIBILITY OF SUCH DAMAGE.
32 */
33
34#include <sys/cdefs.h>
35__KERNEL_RCSID(0, "$NetBSD: au_chipdep.c,v 1.3 2011/07/01 18:39:29 dyoung Exp $");
36
37#include <sys/param.h>
38#include <sys/bus.h>
39#include <mips/locore.h>
40#include <mips/alchemy/include/aureg.h>
41#include <mips/alchemy/include/auvar.h>
42
43struct au_chipdep *
44au_chipdep(void)
45{
46
47	static struct au_chipdep *au_chip = NULL;
48
49	if (au_chip != NULL)
50		return (au_chip);
51
52	if ((au_chip == NULL) &&
53#ifdef	ALCHEMY_AU1000
54	    (!au1000_match(&au_chip)) &&
55#endif
56#ifdef	ALCHEMY_AU1100
57	    (!au1100_match(&au_chip)) &&
58#endif
59#ifdef	ALCHEMY_AU1500
60	    (!au1500_match(&au_chip)) &&
61#endif
62#ifdef	ALCHEMY_AU1550
63	    (!au1550_match(&au_chip)) &&
64#endif
65	    (au_chip == NULL)) {
66		panic("Alchemy SOC %x either not configured or not supported!",
67		    mips_options.mips_cpu_id);
68	}
69	return (au_chip);
70}
71