mainbus.c revision 1.7 
1/* $NetBSD: mainbus.c,v 1.7 2005/06/28 18:29:59 drochner 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 1.7 2005/06/28 18:29:59 drochner 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_print(void *, const char *);
53
54CFATTACH_DECL(mainbus, sizeof(struct device),
55    mainbus_match, mainbus_attach, NULL, NULL);
56
57/* There can be only one. */
58int	mainbus_found;
59
60struct mainbusdev {
61	const char *md_name;
62};
63
64struct mainbusdev mainbusdevs[] = {
65	{ "cpu",	},
66	{ "aubus",	},
67	{ "obio",	},
68	{ NULL,		}
69};
70
71static int
72mainbus_match(parent, match, aux)
73	struct device *parent;
74	struct cfdata *match;
75	void *aux;
76{
77
78	if (mainbus_found)
79		return (0);
80
81	return (1);
82}
83
84static void
85mainbus_attach(parent, self, aux)
86	struct device *parent;
87	struct device *self;
88	void *aux;
89{
90	struct mainbusdev *md;
91
92	mainbus_found = 1;
93	printf("\n");
94
95	for (md = mainbusdevs; md->md_name != NULL; md++) {
96		config_found_ia(self, "mainbus", NULL, mainbus_print);
97	}
98}
99
100static int
101mainbus_print(void *aux, const char *pnp)
102{
103
104	return (UNCONF);
105}
106