1 /* $NetBSD: au_chipdep.c,v 1.5 2015/06/09 22:50:50 matt 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 1.5 2015/06/09 22:50:50 matt Exp $");
36
37 #include <sys/param.h>
38 #include <sys/bus.h>
39 #include <sys/cpu.h>
40
41 #include <mips/locore.h>
42 #include <mips/alchemy/include/aureg.h>
43 #include <mips/alchemy/include/auvar.h>
44
45 struct au_chipdep *
au_chipdep(void)46 au_chipdep(void)
47 {
48
49 static struct au_chipdep *au_chip = NULL;
50
51 if (au_chip != NULL)
52 return (au_chip);
53
54 if ((au_chip == NULL) &&
55 #ifdef ALCHEMY_AU1000
56 (!au1000_match(&au_chip)) &&
57 #endif
58 #ifdef ALCHEMY_AU1100
59 (!au1100_match(&au_chip)) &&
60 #endif
61 #ifdef ALCHEMY_AU1500
62 (!au1500_match(&au_chip)) &&
63 #endif
64 #ifdef ALCHEMY_AU1550
65 (!au1550_match(&au_chip)) &&
66 #endif
67 (au_chip == NULL)) {
68 panic("Alchemy SOC %x either not configured or not supported!",
69 mips_options.mips_cpu_id);
70 }
71 return (au_chip);
72 }
73