mainbus.c revision 1.6 
1/* $NetBSD: mainbus.c,v 1.6 2003/07/15 01:37:31 lukem Exp $ */
2
3/*
4 * Copyright 2002 Wasabi Systems, Inc.
5 * All rights reserved.
6 *
7 * Written by Simon Burge for Wasabi Systems, 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. All advertising materials mentioning features or use of this software
18 *    must display the following acknowledgement:
19 *      This product includes software developed for the NetBSD Project by
20 *      Wasabi Systems, Inc.
21 * 4. The name of Wasabi Systems, Inc. may not be used to endorse
22 *    or promote products derived from this software without specific prior
23 *    written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
28 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL WASABI SYSTEMS, INC
29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35 * POSSIBILITY OF SUCH DAMAGE.
36 */
37
38#include <sys/cdefs.h>
39__KERNEL_RCSID(0, "$NetBSD: mainbus.c,v 1.6 2003/07/15 01:37:31 lukem Exp $");
40
41#include <sys/param.h>
42#include <sys/systm.h>
43#include <sys/device.h>
44
45#include <mips/cache.h>
46#include <mips/cpuregs.h>
47
48#include "locators.h"
49
50static int	mainbus_match(struct device *, struct cfdata *, void *);
51static void	mainbus_attach(struct device *, struct device *, void *);
52static int	mainbus_submatch(struct device *, struct cfdata *, void *);
53static int	mainbus_print(void *, const char *);
54
55CFATTACH_DECL(mainbus, sizeof(struct device),
56    mainbus_match, mainbus_attach, NULL, NULL);
57
58/* There can be only one. */
59int	mainbus_found;
60
61struct mainbusdev {
62	const char *md_name;
63};
64
65struct mainbusdev mainbusdevs[] = {
66	{ "cpu",	},
67	{ "aubus",	},
68	{ "obio",	},
69	{ NULL,		}
70};
71
72static int
73mainbus_match(parent, match, aux)
74	struct device *parent;
75	struct cfdata *match;
76	void *aux;
77{
78
79	if (mainbus_found)
80		return (0);
81
82	return (1);
83}
84
85static void
86mainbus_attach(parent, self, aux)
87	struct device *parent;
88	struct device *self;
89	void *aux;
90{
91	struct mainbusdev *md;
92
93	mainbus_found = 1;
94	printf("\n");
95
96	for (md = mainbusdevs; md->md_name != NULL; md++) {
97		config_found_sm(self, NULL, mainbus_print, mainbus_submatch);
98	}
99}
100
101static int
102mainbus_submatch(struct device *parent, struct cfdata *cf, void *aux)
103{
104
105	return (config_match(parent, cf, aux));
106}
107
108static int
109mainbus_print(void *aux, const char *pnp)
110{
111
112	return (UNCONF);
113}
114