mainbus.c revision 1.3 
1/* $NetBSD: mainbus.c,v 1.3 2002/09/27 03:17:49 thorpej 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/param.h>
39#include <sys/systm.h>
40#include <sys/device.h>
41
42#include <mips/cache.h>
43#include <mips/cpuregs.h>
44
45#include "locators.h"
46
47static int	mainbus_match(struct device *, struct cfdata *, void *);
48static void	mainbus_attach(struct device *, struct device *, void *);
49static int	mainbus_submatch(struct device *, struct cfdata *, void *);
50static int	mainbus_print(void *, const char *);
51
52struct cfattach mainbus_ca = {
53	sizeof(struct device), mainbus_match, mainbus_attach
54};
55
56/* There can be only one. */
57int	mainbus_found;
58
59struct mainbusdev {
60	const char *md_name;
61};
62
63struct mainbusdev mainbusdevs[] = {
64	{ "cpu",	},
65	{ "aubus",	},
66	{ "obio",	},
67	{ NULL,		}
68};
69
70static int
71mainbus_match(parent, match, aux)
72	struct device *parent;
73	struct cfdata *match;
74	void *aux;
75{
76
77	if (mainbus_found)
78		return (0);
79
80	return (1);
81}
82
83static void
84mainbus_attach(parent, self, aux)
85	struct device *parent;
86	struct device *self;
87	void *aux;
88{
89	struct mainbusdev *md;
90
91	mainbus_found = 1;
92	printf("\n");
93
94	for (md = mainbusdevs; md->md_name != NULL; md++) {
95		config_found_sm(self, NULL, mainbus_print, mainbus_submatch);
96	}
97}
98
99static int
100mainbus_submatch(struct device *parent, struct cfdata *cf, void *aux)
101{
102
103	return (config_match(parent, cf, aux));
104}
105
106static int
107mainbus_print(void *aux, const char *pnp)
108{
109
110	return (UNCONF);
111}
112