1/* $NetBSD: rsbus.c,v 1.8 2011/06/03 07:35:37 matt Exp $ */
2
3/*
4 * Copyright (c) 2002
5 *	Ichiro FUKUHARA <ichiro@ichiro.org>.
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 *
17 * THIS SOFTWARE IS PROVIDED BY ICHIRO FUKUHARA ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL ICHIRO FUKUHARA OR THE VOICES IN HIS HEAD BE LIABLE FOR
21 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
30#include <sys/cdefs.h>
31
32__KERNEL_RCSID(0, "$NetBSD: rsbus.c,v 1.8 2011/06/03 07:35:37 matt Exp $");
33
34#include <sys/param.h>
35#include <sys/systm.h>
36#include <sys/device.h>
37#include <sys/bus.h>
38
39#include <acorn32/eb7500atx/rsbus.h>
40
41#include "locators.h"
42
43extern struct bus_space rsbus_bs_tag;
44
45/* Declare prototypes */
46
47static int	rsbus_match(device_t, cfdata_t, void *);
48static void	rsbus_attach(device_t, device_t, void *);
49static int	rsbus_print(void *, const char *);
50static int	rsbus_search(device_t, cfdata_t,
51			     const int *, void *);
52
53CFATTACH_DECL(rsbus, sizeof(struct rsbus_softc),
54    rsbus_match, rsbus_attach, NULL, NULL);
55
56static int
57rsbus_match(device_t parent, cfdata_t cf, void *aux)
58{
59	return(1);
60}
61
62static void
63rsbus_attach(device_t parent, device_t self, void *aux)
64{
65	struct rsbus_softc *sc = device_private(self);
66	sc->sc_iot = &rsbus_bs_tag;
67
68	printf("\n");
69
70	/*
71	 *  Attach each devices
72	 */
73	config_search_ia(rsbus_search, self, "rsbus", NULL);
74}
75
76static int
77rsbus_search(device_t parent, cfdata_t cf, const int *ldesc, void *aux)
78{
79	struct rsbus_softc *sc = device_private(parent);
80	struct rsbus_attach_args sa;
81
82	sa.sa_iot = sc->sc_iot;
83	sa.sa_addr = cf->cf_loc[RSBUSCF_ADDR];
84	sa.sa_size = cf->cf_loc[RSBUSCF_SIZE];
85	sa.sa_intr = cf->cf_loc[RSBUSCF_IRQ];
86
87	if (config_match(parent, cf, &sa) > 0)
88		config_attach(parent, cf, &sa, rsbus_print);
89
90	return (0);
91}
92
93static int
94rsbus_print(void *aux, const char *name)
95{
96        struct rsbus_attach_args *sa = aux;
97
98	if (sa->sa_size)
99		aprint_normal(" addr 0x%lx", sa->sa_addr);
100	if (sa->sa_size > 1)
101		aprint_normal("-0x%lx", sa->sa_addr + sa->sa_size - 1);
102	if (sa->sa_intr > 1)
103		aprint_normal(" irq %d", sa->sa_intr);
104
105	return (UNCONF);
106}
107