xref: /netbsd/sys/arch/mips/rmi/rmixl_mainbus.c (revision 6550d01e)
1 /*	$NetBSD: rmixl_mainbus.c,v 1.2 2009/12/14 00:46:07 matt Exp $	*/
2 
3 /*
4  * Copyright (c) 1994,1995 Mark Brinicombe.
5  * Copyright (c) 1994 Brini.
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. All advertising materials mentioning features or use of this software
17  *    must display the following acknowledgement:
18  *	This product includes software developed by Brini.
19  * 4. The name of the company nor the name of the author may be used to
20  *    endorse or promote products derived from this software without specific
21  *    prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED
24  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
25  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
26  * IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
27  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
28  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
29  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  *
35  * RiscBSD kernel project
36  *
37  * mainbus.c
38  *
39  * mainbus configuration
40  *
41  * Created      : 15/12/94
42  */
43 
44 #include <sys/cdefs.h>
45 __KERNEL_RCSID(0, "$NetBSD: rmixl_mainbus.c,v 1.2 2009/12/14 00:46:07 matt Exp $");
46 
47 #include <sys/param.h>
48 #include <sys/systm.h>
49 #include <sys/kernel.h>
50 #include <sys/conf.h>
51 #include <sys/malloc.h>
52 #include <sys/device.h>
53 
54 #include <machine/bus.h>
55 #include "locators.h"
56 
57 static int  mainbusmatch(device_t,  cfdata_t, void *);
58 static void mainbusattach(device_t,  device_t,  void *);
59 static int  mainbussearch(device_t,  cfdata_t, const int *, void *);
60 
61 CFATTACH_DECL_NEW(mainbus, 0, mainbusmatch, mainbusattach, NULL, NULL);
62 
63 static int mainbus_found;
64 
65 static int
66 mainbusmatch(device_t parent, cfdata_t cf, void *aux)
67 {
68 	if (mainbus_found)
69 		return 0;
70 	return 1;
71 }
72 
73 static int
74 mainbussearch(device_t parent, cfdata_t cf, const int *ldesc, void *aux)
75 {
76 	if (config_match(parent, cf, NULL) > 0)
77 		config_attach(parent, cf, aux, NULL);
78 
79 	return 0;
80 }
81 
82 static void
83 mainbusattach(device_t parent, device_t self, void *aux)
84 {
85 	aprint_naive("\n");
86 	aprint_normal("\n");
87 
88 	mainbus_found = 1;
89 	config_search_ia(mainbussearch, self, "mainbus", NULL);
90 }
91