summaryrefslogtreecommitdiff
path: root/sys/arch/armish/dev/obio.c
blob: c5186aaab935b4367c2c50986fb5cea273ebb3b6 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
/*	$OpenBSD: obio.c,v 1.4 2016/05/02 08:15:55 patrick Exp $	*/
/*	$NetBSD: obio.c,v 1.14 2005/12/11 12:17:09 christos Exp $	*/

/*
 * Copyright (c) 2001, 2002, 2003 Wasabi Systems, Inc.
 * All rights reserved.
 *
 * Written by Jason R. Thorpe for Wasabi Systems, Inc.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed for the NetBSD Project by
 *	Wasabi Systems, Inc.
 * 4. The name of Wasabi Systems, Inc. may not be used to endorse
 *    or promote products derived from this software without specific prior
 *    written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL WASABI SYSTEMS, INC
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

/*
 * On-board device autoconfiguration support for Intel IQ80321
 * evaluation boards.
 */

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>

#include <machine/bus.h>

#include <arm/mainbus/mainbus.h>
#include <arm/xscale/i80321reg.h>
#include <armish/dev/iq80321reg.h>
#include <armish/dev/iq80321var.h>
#include <armish/dev/obiovar.h>

int	obio_match(struct device *, void *, void *);
void	obio_attach(struct device *, struct device *, void *);

struct cfattach obio_ca = {
	sizeof(struct device), obio_match, obio_attach
};

struct cfdriver obio_cd = {
	NULL, "obio", DV_DULL
};

int	obio_print(void *, const char *);
int	obio_search(struct device *, void *, void *);

/* there can be only one */
int	obio_found;

int
obio_match(struct device *parent, void *match, void *aux)
{
	union mainbus_attach_args *ma = aux;
	struct cfdata *cf = match;

	if (obio_found)
		return (0);

	if (strcmp(cf->cf_driver->cd_name, ma->ma_name) == 0)
		return (1);

	return (0);
}

void
obio_attach(struct device *parent, struct device *self, void *aux)
{
        struct device *sc = self;


	obio_found = 1;

	printf("\n");

	/*
	 * Attach all the on-board devices as described in the kernel
	 * configuration file.
	 */
	config_search(obio_search, self, sc);
}

int
obio_print(void *aux, const char *pnp)
{
	struct obio_attach_args *oba = aux;

	printf(" addr 0x%08lx", oba->oba_addr);

        if (oba->oba_irq != -1)
                printf(" intr %d", oba->oba_irq);


	return (UNCONF);
}

int
obio_search(struct device *parent, void *v, void *aux)
{
	struct obio_attach_args oba;
	struct cfdata   *cf = v;

	oba.oba_st = &obio_bs_tag;
	oba.oba_addr = cf->cf_loc[0];
	oba.oba_size = cf->cf_loc[1];
	oba.oba_width = cf->cf_loc[2];
	if (cf->cf_loc[3] != -1)
		oba.oba_irq = ICU_INT_XINT(cf->cf_loc[3]);
	else
		oba.oba_irq = -1;

	config_found(parent, &oba, obio_print);


	return (0);
}