1 /*	$NetBSD: mainbus.c,v 1.1 2001/10/16 15:38:56 uch Exp $	*/
2 
3 /*-
4  * Copyright (c) 2001 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *        This product includes software developed by the NetBSD
18  *        Foundation, Inc. and its contributors.
19  * 4. Neither the name of The NetBSD Foundation nor the names of its
20  *    contributors may be used to endorse or promote products derived
21  *    from this software without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
24  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
25  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
26  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
27  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
28  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
29  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
30  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
31  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
32  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
33  * POSSIBILITY OF SUCH DAMAGE.
34  */
35 
36 #include <sys/param.h>
37 #include <sys/systm.h>
38 
39 #include <machine/autoconf.h>
40 
41 static int mainbus_match(struct device *, struct cfdata *, void *);
42 static void mainbus_attach(struct device *, struct device *, void *);
43 static int mainbus_search(struct device *, struct cfdata *, void *);
44 static int mainbus_print(void *, const char *);
45 
46 struct cfattach mainbus_ca = {
47 	sizeof(struct device), mainbus_match, mainbus_attach
48 };
49 
50 static int
51 mainbus_match(struct device *parent, struct cfdata *cf, void *aux)
52 {
53 
54 	return (1);
55 }
56 
57 static void
58 mainbus_attach(struct device *parent, struct device *self, void *aux)
59 {
60 
61 	printf("\n");
62 
63 	/* attach CPU first */
64 	config_found(self, &(struct mainbus_attach_args){.ma_name = "cpu"},
65 	    mainbus_print);
66 
67 	config_search(mainbus_search, self, 0);
68 }
69 
70 static int
71 mainbus_search(struct device *parent, struct cfdata *cf, void *aux)
72 {
73 	struct mainbus_attach_args ma;
74 
75 	ma.ma_name = cf->cf_driver->cd_name;
76 	if ((*cf->cf_attach->ca_match)(parent, cf, &ma))
77 		config_attach(parent, cf, &ma, mainbus_print);
78 
79 	return (0);
80 }
81 
82 static int
83 mainbus_print(void *aux, const char *pnp)
84 {
85 
86 	return (pnp ? QUIET : UNCONF);
87 }
88