1/*	$NetBSD: mainbus.c,v 1.17 2008/03/27 15:21:46 tsutsui Exp $	*/
2
3/*
4 * Copyright (c) 2000 Soren S. Jorvang.  All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions, and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 */
27
28#include <sys/cdefs.h>
29__KERNEL_RCSID(0, "$NetBSD: mainbus.c,v 1.17 2008/03/27 15:21:46 tsutsui Exp $");
30
31#include <sys/param.h>
32#include <sys/systm.h>
33#include <sys/device.h>
34
35#include <mips/cpuregs.h>
36
37#include <machine/autoconf.h>
38
39#include "locators.h"
40
41static int	mainbus_match(device_t, cfdata_t, void *);
42static void	mainbus_attach(device_t, device_t, void *);
43static int	mainbus_search(device_t, cfdata_t,
44			       const int *, void *);
45int		mainbus_print(void *, const char *);
46
47CFATTACH_DECL_NEW(mainbus, 0,
48    mainbus_match, mainbus_attach, NULL, NULL);
49
50static int
51mainbus_match(device_t parent, cfdata_t cf, void *aux)
52{
53
54	return 1;
55}
56
57static void
58mainbus_attach(device_t parent, device_t self, void *aux)
59{
60	struct mainbus_attach_args ma;
61
62	aprint_normal("\n");
63
64	config_search_ia(mainbus_search, self, "mainbus", &ma);
65}
66
67static int
68mainbus_search(device_t parent, cfdata_t cf, const int *ldesc, void *aux)
69{
70	struct mainbus_attach_args *ma = aux;
71
72	do {
73		ma->ma_addr = cf->cf_loc[MAINBUSCF_ADDR];
74		ma->ma_iot = 0;
75		ma->ma_level = cf->cf_loc[MAINBUSCF_LEVEL];
76		ma->ma_irq = cf->cf_loc[MAINBUSCF_IRQ];
77		if (config_match(parent, cf, ma) > 0)
78			config_attach(parent, cf, ma, mainbus_print);
79	} while (cf->cf_fstate == FSTATE_STAR);
80
81	return 0;
82}
83
84int
85mainbus_print(void *aux, const char *pnp)
86{
87	struct mainbus_attach_args *ma = aux;
88
89	if (pnp != 0)
90		return QUIET;
91
92	if (ma->ma_addr != MAINBUSCF_ADDR_DEFAULT)
93		aprint_normal(" addr 0x%lx", ma->ma_addr);
94	if (ma->ma_level != MAINBUSCF_LEVEL_DEFAULT)
95		aprint_normal(" level %d", ma->ma_level);
96	if (ma->ma_irq != MAINBUSCF_IRQ_DEFAULT)
97		aprint_normal(" irq %d", ma->ma_irq);
98
99	return UNCONF;
100}
101