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
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
|
/* $OpenBSD: syscon.c,v 1.23 2005/07/18 02:43:25 fgsch Exp $ */
/*
* Copyright (c) 1999 Steve Murphree, Jr.
* 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 ``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.
*/
/*
* VME188 SYSCON
*/
#include <sys/param.h>
#include <sys/conf.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/device.h>
#include <machine/autoconf.h>
#include <machine/cpu.h>
#include <machine/frame.h>
#include <machine/mvme188.h>
#include <mvme88k/dev/sysconreg.h>
struct sysconsoftc {
struct device sc_dev;
struct intrhand sc_abih; /* `abort' switch */
struct intrhand sc_acih; /* `ac fail' */
struct intrhand sc_sfih; /* `sys fail' */
struct intrhand sc_m188ih; /* `m188 interrupt' */
};
void sysconattach(struct device *, struct device *, void *);
int sysconmatch(struct device *, void *, void *);
int syscon_print(void *, const char *);
int syscon_scan(struct device *, void *, void *);
int sysconabort(void *);
int sysconacfail(void *);
int sysconsysfail(void *);
int sysconm188(void *);
struct cfattach syscon_ca = {
sizeof(struct sysconsoftc), sysconmatch, sysconattach
};
struct cfdriver syscon_cd = {
NULL, "syscon", DV_DULL
};
int
sysconmatch(parent, vcf, args)
struct device *parent;
void *vcf, *args;
{
/* Don't match if wrong cpu */
if (brdtyp != BRD_188)
return (0);
return (1);
}
int
syscon_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
syscon_scan(parent, child, args)
struct device *parent;
void *child, *args;
{
struct cfdata *cf = child;
struct confargs oca, *ca = args;
bzero(&oca, sizeof oca);
oca.ca_iot = ca->ca_iot;
oca.ca_dmat = ca->ca_dmat;
oca.ca_offset = cf->cf_loc[0];
oca.ca_ipl = cf->cf_loc[1];
if (oca.ca_offset != -1) {
oca.ca_paddr = ca->ca_paddr + oca.ca_offset;
} else {
oca.ca_paddr = -1;
}
oca.ca_bustype = BUS_SYSCON;
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, syscon_print);
return (1);
}
void
sysconattach(parent, self, args)
struct device *parent, *self;
void *args;
{
struct sysconsoftc *sc = (struct sysconsoftc *)self;
printf("\n");
/*
* pseudo driver, abort interrupt handler
*/
sc->sc_abih.ih_fn = sysconabort;
sc->sc_abih.ih_arg = 0;
sc->sc_abih.ih_wantframe = 1;
sc->sc_abih.ih_ipl = IPL_ABORT;
sc->sc_acih.ih_fn = sysconacfail;
sc->sc_acih.ih_arg = 0;
sc->sc_acih.ih_wantframe = 1;
sc->sc_acih.ih_ipl = IPL_ABORT;
sc->sc_sfih.ih_fn = sysconsysfail;
sc->sc_sfih.ih_arg = 0;
sc->sc_sfih.ih_wantframe = 1;
sc->sc_sfih.ih_ipl = IPL_ABORT;
sc->sc_m188ih.ih_fn = sysconm188;
sc->sc_m188ih.ih_arg = 0;
sc->sc_m188ih.ih_wantframe = 1;
sc->sc_m188ih.ih_ipl = IPL_ABORT;
sysconintr_establish(SYSCV_ABRT, &sc->sc_abih, "abort");
sysconintr_establish(SYSCV_ACF, &sc->sc_acih, "acfail");
sysconintr_establish(SYSCV_SYSF, &sc->sc_sfih, "sysfail");
intr_establish(M188_IVEC, &sc->sc_m188ih, self->dv_xname);
config_search(syscon_scan, self, args);
}
int
sysconintr_establish(int vec, struct intrhand *ih, const char *name)
{
#ifdef DIAGNOSTIC
if (vec < 0 || vec >= SYSCON_NVEC)
panic("sysconintr_establish: illegal vector 0x%x", vec);
#endif
return intr_establish(SYSCON_VECT + vec, ih, name);
}
int
sysconabort(eframe)
void *eframe;
{
ISR_RESET_NMI;
nmihand((struct frame *)eframe);
return (1);
}
int
sysconsysfail(eframe)
void *eframe;
{
ISR_RESET_SYSFAIL;
nmihand((struct frame *)eframe);
return (1);
}
int
sysconacfail(eframe)
void *eframe;
{
ISR_RESET_ACFAIL;
nmihand((struct frame *)eframe);
return (1);
}
int
sysconm188(eframe)
void *eframe;
{
printf("MVME188 interrupting?\n");
return (1);
}
|