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
|
/*-
* Copyright (c) 2007 Bruce M. Simpson.
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
*/
/*
* Child driver for MIPS 3302 core.
* Interrupt controller registers live here. Interrupts may not be routed
* to the MIPS core if they are masked out.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/bus.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/rman.h>
#include <sys/malloc.h>
#include <machine/bus.h>
#include <dev/siba/sibavar.h>
#include <dev/siba/sibareg.h>
#include <dev/siba/siba_ids.h>
static int siba_mips_attach(device_t);
static int siba_mips_probe(device_t);
static int
siba_mips_probe(device_t dev)
{
if (siba_get_vendor(dev) == SIBA_VID_BROADCOM &&
siba_get_device(dev) == SIBA_DEVID_MIPS_3302) {
device_set_desc(dev, "MIPS 3302 processor");
return (BUS_PROBE_DEFAULT);
}
return (ENXIO);
}
struct siba_mips_softc {
void *notused;
};
static int
siba_mips_attach(device_t dev)
{
//struct siba_mips_softc *sc = device_get_softc(dev);
struct resource *mem;
int rid;
/*
* Allocate the resources which the parent bus has already
* determined for us.
* TODO: interrupt routing
*/
#define MIPS_MEM_RID 0x20
rid = MIPS_MEM_RID;
mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid,
RF_ACTIVE);
if (mem == NULL) {
device_printf(dev, "unable to allocate memory\n");
return (ENXIO);
}
#if 0
device_printf(dev, "start %08lx size %04lx\n",
rman_get_start(mem), rman_get_size(mem));
#endif
return (0);
}
static device_method_t siba_mips_methods[] = {
/* Device interface */
DEVMETHOD(device_attach, siba_mips_attach),
DEVMETHOD(device_probe, siba_mips_probe),
{0, 0},
};
static driver_t siba_mips_driver = {
"siba_mips",
siba_mips_methods,
sizeof(struct siba_softc),
};
static devclass_t siba_mips_devclass;
DRIVER_MODULE(siba_mips, siba, siba_mips_driver, siba_mips_devclass, 0, 0);
|
