xref: /netbsd/sys/arch/sun3/sun3/mainbus.c (revision bf9ec67e)
1 /*	$NetBSD: mainbus.c,v 1.8 1998/02/05 04:57:43 gwr Exp $	*/
2 
3 /*-
4  * Copyright (c) 1996 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Gordon W. Ross.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  * 3. All advertising materials mentioning features or use of this software
19  *    must display the following acknowledgement:
20  *        This product includes software developed by the NetBSD
21  *        Foundation, Inc. and its contributors.
22  * 4. Neither the name of The NetBSD Foundation nor the names of its
23  *    contributors may be used to endorse or promote products derived
24  *    from this software without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36  * POSSIBILITY OF SUCH DAMAGE.
37  */
38 
39 #include <sys/param.h>
40 #include <sys/systm.h>
41 #include <sys/device.h>
42 
43 #include <machine/autoconf.h>
44 
45 static int 	main_match __P((struct device *, struct cfdata *, void *));
46 static void	main_attach __P((struct device *, struct device *, void *));
47 
48 struct cfattach mainbus_ca = {
49 	sizeof(struct device), main_match, main_attach
50 };
51 
52 /*
53  * Probe for the mainbus; always succeeds.
54  */
55 static int
56 main_match(parent, cf, aux)
57 	struct device *parent;
58 	struct cfdata *cf;
59 	void *aux;
60 {
61 
62 	return 1;
63 }
64 
65 /*
66  * Do "direct" configuration for the bus types on mainbus.
67  * This controls the order of autoconfig for important things
68  * used early.  For example, idprom is used by Ether drivers.
69  */
70 static void
71 main_attach(parent, self, args)
72 	struct device *parent;
73 	struct device *self;
74 	void *args;
75 {
76 	struct confargs ca;
77 	int i;
78 
79 	printf("\n");
80 
81 	for (i = 0; i < BUS__NTYPES; i++) {
82 		ca.ca_bustype = i;
83 		(void) config_found(self, &ca, NULL);
84 	}
85 }
86