g1bus.c revision 1.4 
1/*	$NetBSD: g1bus.c,v 1.4 2023/12/20 06:36:03 thorpej Exp $	*/
2
3/*-
4 * Copyright (c) 2001 Marcus Comstedt
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 Marcus Comstedt.
18 * 4. Neither the name of The NetBSD Foundation nor the names of its
19 *    contributors may be used to endorse or promote products derived
20 *    from this software without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
23 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
24 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
25 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
26 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
32 * POSSIBILITY OF SUCH DAMAGE.
33 */
34
35
36#include <sys/cdefs.h>
37__KERNEL_RCSID(0, "$NetBSD: g1bus.c,v 1.4 2023/12/20 06:36:03 thorpej Exp $");
38
39#include <sys/param.h>
40#include <sys/systm.h>
41#include <sys/kernel.h>
42#include <sys/conf.h>
43#include <sys/device.h>
44#include <sys/proc.h>
45
46#include <dreamcast/dev/g1/g1busvar.h>
47
48int	g1busmatch(device_t, cfdata_t, void *);
49void	g1busattach(device_t, device_t, void *);
50int	g1busprint(void *, const char *);
51
52CFATTACH_DECL_NEW(g1bus, sizeof(struct g1bus_softc),
53    g1busmatch, g1busattach, NULL, NULL);
54
55int	g1bussearch(device_t, cfdata_t, const int *, void *);
56
57int
58g1busmatch(device_t parent, cfdata_t cf, void *aux)
59{
60
61	return 1;
62}
63
64void
65g1busattach(device_t parent, device_t self, void *aux)
66{
67	struct g1bus_softc *sc = device_private(self);
68	struct g1bus_attach_args ga;
69
70	sc->sc_dev = self;
71	printf("\n");
72
73	g1bus_bus_mem_init(sc);
74
75	ga.ga_memt = &sc->sc_memt;
76
77	config_search(self, &ga,
78	    CFARGS(.search = g1bussearch));
79}
80
81int
82g1busprint(void *aux, const char *pnp)
83{
84
85	return UNCONF;
86}
87
88int
89g1bussearch(device_t parent, cfdata_t cf, const int *ldesc, void *aux)
90{
91
92	if (config_probe(parent, cf, aux))
93		config_attach(parent, cf, aux, g1busprint, CFARGS_NONE);
94
95	return 0;
96}
97