openpic_ofw.c revision 183882 
1/*-
2 * Copyright 2003 by Peter Grehan. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 * 3. The name of the author may not be used to endorse or promote products
13 *    derived from this software without specific prior written permission.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
20 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
21 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
22 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
23 * 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
29#include <sys/cdefs.h>
30__FBSDID("$FreeBSD: head/sys/powerpc/powermac/openpic_macio.c 183882 2008-10-14 14:54:14Z nwhitehorn $");
31
32#include <sys/param.h>
33#include <sys/systm.h>
34#include <sys/module.h>
35#include <sys/bus.h>
36#include <sys/conf.h>
37#include <sys/kernel.h>
38
39#include <dev/ofw/ofw_bus.h>
40#include <dev/ofw/openfirm.h>
41
42#include <machine/bus.h>
43#include <machine/intr.h>
44#include <machine/intr_machdep.h>
45#include <machine/md_var.h>
46#include <machine/pio.h>
47#include <machine/resource.h>
48
49#include <vm/vm.h>
50#include <vm/pmap.h>
51
52#include <sys/rman.h>
53
54#include <machine/openpicvar.h>
55
56#include "pic_if.h"
57
58/*
59 * MacIO interface
60 */
61static int	openpic_macio_probe(device_t);
62
63static device_method_t  openpic_macio_methods[] = {
64	/* Device interface */
65	DEVMETHOD(device_probe,		openpic_macio_probe),
66	DEVMETHOD(device_attach,	openpic_attach),
67
68	/* PIC interface */
69	DEVMETHOD(pic_config,		openpic_config),
70	DEVMETHOD(pic_dispatch,		openpic_dispatch),
71	DEVMETHOD(pic_enable,		openpic_enable),
72	DEVMETHOD(pic_eoi,		openpic_eoi),
73	DEVMETHOD(pic_ipi,		openpic_ipi),
74	DEVMETHOD(pic_mask,		openpic_mask),
75	DEVMETHOD(pic_unmask,		openpic_unmask),
76
77	{ 0, 0 },
78};
79
80static driver_t openpic_macio_driver = {
81	"openpic",
82	openpic_macio_methods,
83	sizeof(struct openpic_softc),
84};
85
86DRIVER_MODULE(openpic, macio, openpic_macio_driver, openpic_devclass, 0, 0);
87
88static int
89openpic_macio_probe(device_t dev)
90{
91	const char *type = ofw_bus_get_type(dev);
92
93	if (strcmp(type, "open-pic") != 0)
94                return (ENXIO);
95
96	device_set_desc(dev, OPENPIC_DEVSTR);
97	return (0);
98}
99