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
|
/*-
* SPDX-License-Identifier: BSD-3-Clause
*
* Copyright 2003 by Peter Grehan. All rights reserved.
*
* 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. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 THE AUTHOR 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.
*
*/
/*
* The psim iobus attachment for the OpenPIC interrupt controller.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/module.h>
#include <sys/bus.h>
#include <sys/conf.h>
#include <sys/kernel.h>
#include <dev/ofw/openfirm.h>
#include <machine/bus.h>
#include <machine/intr_machdep.h>
#include <machine/md_var.h>
#include <machine/pio.h>
#include <machine/resource.h>
#include <vm/vm.h>
#include <vm/pmap.h>
#include <sys/rman.h>
#include <machine/openpicreg.h>
#include <machine/openpicvar.h>
#include <powerpc/psim/iobusvar.h>
#include "pic_if.h"
/*
* PSIM IOBus interface
*/
static int openpic_iobus_probe(device_t);
static int openpic_iobus_attach(device_t);
static device_method_t openpic_iobus_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, openpic_iobus_probe),
DEVMETHOD(device_attach, openpic_iobus_attach),
/* PIC interface */
DEVMETHOD(pic_config, openpic_config),
DEVMETHOD(pic_dispatch, openpic_dispatch),
DEVMETHOD(pic_enable, openpic_enable),
DEVMETHOD(pic_eoi, openpic_eoi),
DEVMETHOD(pic_ipi, openpic_ipi),
DEVMETHOD(pic_mask, openpic_mask),
DEVMETHOD(pic_unmask, openpic_unmask),
{ 0, 0 }
};
static driver_t openpic_iobus_driver = {
"openpic",
openpic_iobus_methods,
sizeof(struct openpic_softc)
};
DRIVER_MODULE(openpic, iobus, openpic_iobus_driver, 0, 0);
static int
openpic_iobus_probe(device_t dev)
{
struct openpic_softc *sc;
char *name;
name = iobus_get_name(dev);
if (strcmp(name, "interrupt-controller") != 0)
return (ENXIO);
/*
* The description was already printed out in the nexus
* probe, so don't do it again here
*/
device_set_desc(dev, OPENPIC_DEVSTR);
sc = device_get_softc(dev);
sc->sc_psim = 1;
return (0);
}
static int
openpic_iobus_attach(device_t dev)
{
return (openpic_common_attach(dev, 0));
}
|
