rmixl_mainbus.c revision 1.2 
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
57static int  mainbusmatch(device_t,  cfdata_t, void *);
58static void mainbusattach(device_t,  device_t,  void *);
59static int  mainbussearch(device_t,  cfdata_t, const int *, void *);
60
61CFATTACH_DECL_NEW(mainbus, 0, mainbusmatch, mainbusattach, NULL, NULL);
62
63static int mainbus_found;
64
65static int
66mainbusmatch(device_t parent, cfdata_t cf, void *aux)
67{
68	if (mainbus_found)
69		return 0;
70	return 1;
71}
72
73static int
74mainbussearch(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
82static void
83mainbusattach(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