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
139
140
141
142
143
144
145
146
147
148
149
150
151
152
|
/* $OpenBSD: busswitch.c,v 1.1 1999/09/27 18:43:22 smurph Exp $ */
/*
* Copyright (c) 1999 Steve Murphree, Jr.
*
* 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 under OpenBSD by
* Theo de Raadt for Willowglen Singapore.
* 4. 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.
*/
#include <sys/param.h>
#include <sys/kernel.h>
#include <sys/ioctl.h>
#include <sys/device.h>
#include <sys/systm.h>
#include <sys/uio.h>
#include <sys/malloc.h>
#include <machine/psl.h>
#include <machine/autoconf.h>
#include <machine/bugio.h>
#include <machine/cpu.h>
#include <machine/mioctl.h>
#include <machine/vmparam.h>
#include <mvme88k/dev/busswitchreg.h>
struct busswitchsoftc {
struct device sc_dev;
void * sc_paddr;
void * sc_vaddr;
int sc_len;
struct busswitchreg * sc_busswitch;
};
void busswitchattach __P((struct device *, struct device *, void *));
int busswitchmatch __P((struct device *, void *, void *));
struct cfattach busswitch_ca = {
sizeof(struct busswitchsoftc), busswitchmatch, busswitchattach
};
struct cfdriver busswitch_cd = {
NULL, "busswitch", DV_DULL, 0
};
int
busswitchmatch(parent, vcf, args)
struct device *parent;
void *vcf, *args;
{
struct cfdata *cf = vcf;
struct confargs *ca = args;
struct busswitchreg *busswitch;
/* Don't match if wrong cpu */
if (cputyp != CPU_197) return (0);
busswitch = (struct busswitchreg *)(IIOV(ca->ca_paddr));
if (badvaddr(busswitch, 4) <= 0){
printf("==> busswitch: failed address check.\n");
return (0);
}
return (1);
}
void
busswitchattach(parent, self, args)
struct device *parent, *self;
void *args;
{
struct confargs *ca = args;
struct busswitchsoftc *sc = (struct busswitchsoftc *)self;
sc->sc_paddr = ca->ca_paddr;
sc->sc_vaddr = ca->ca_vaddr;
/*
printf(": rev %d\n", sc->sc_busswitch->chiprev);
*/
printf(": rev %d\n", 0);
}
int
busswitch_print(args, bus)
void *args;
const char *bus;
{
struct confargs *ca = args;
if (ca->ca_offset != -1)
printf(" offset 0x%x", ca->ca_offset);
if (ca->ca_ipl > 0)
printf(" ipl %d", ca->ca_ipl);
return (UNCONF);
}
int
busswitch_scan(parent, child, args)
struct device *parent;
void *child, *args;
{
struct cfdata *cf = child;
struct busswitchsoftc *sc = (struct busswitchsoftc *)parent;
struct confargs *ca = args;
struct confargs oca;
if (parent->dv_cfdata->cf_driver->cd_indirect) {
printf(" indirect devices not supported\n");
return 0;
}
bzero(&oca, sizeof oca);
oca.ca_offset = cf->cf_loc[0];
oca.ca_ipl = cf->cf_loc[1];
if ((oca.ca_offset != (void*)-1) && ISIIOVA(sc->sc_vaddr + oca.ca_offset)) {
oca.ca_vaddr = sc->sc_vaddr + oca.ca_offset;
oca.ca_paddr = sc->sc_paddr + oca.ca_offset;
} else {
oca.ca_vaddr = (void *)-1;
oca.ca_paddr = (void *)-1;
}
oca.ca_bustype = BUS_BUSSWITCH;
oca.ca_master = (void *)sc->sc_busswitch;
oca.ca_name = cf->cf_driver->cd_name;
if ((*cf->cf_attach->ca_match)(parent, cf, &oca) == 0)
return (0);
config_attach(parent, cf, &oca, busswitch_print);
return (1);
}
|
