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
|
/* $OpenBSD: pcctwo.c,v 1.24 2004/04/24 19:51:48 miod Exp $ */
/*
* Copyright (c) 1995 Theo de Raadt
* 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.
*/
/*
* VME1x7 PCC2 chip
*/
#include <sys/param.h>
#include <sys/conf.h>
#include <sys/ioctl.h>
#include <sys/proc.h>
#include <sys/user.h>
#include <sys/tty.h>
#include <sys/uio.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/syslog.h>
#include <sys/fcntl.h>
#include <sys/device.h>
#include <machine/autoconf.h>
#include <machine/cpu.h>
#include <dev/cons.h>
#include <mvme88k/dev/pcctworeg.h>
#include <mvme88k/dev/pcctwovar.h>
#include "bussw.h"
void pcctwoattach(struct device *, struct device *, void *);
int pcctwomatch(struct device *, void *, void *);
struct cfattach pcctwo_ca = {
sizeof(struct pcctwosoftc), pcctwomatch, pcctwoattach
};
struct cfdriver pcctwo_cd = {
NULL, "pcctwo", DV_DULL
};
int pcctwo_print(void *args, const char *bus);
int pcctwo_scan(struct device *parent, void *child, void *args);
int
pcctwomatch(parent, vcf, args)
struct device *parent;
void *vcf, *args;
{
struct confargs *ca = args;
bus_space_handle_t ioh;
int rc;
u_int8_t chipid;
/* Bomb if wrong cpu */
switch (brdtyp) {
case BRD_187:
case BRD_8120:
case BRD_197:
break;
default:
return 0;
}
if (bus_space_map(ca->ca_iot, ca->ca_paddr + PCC2_BASE, PCC2_SIZE,
0, &ioh) != 0)
return 0;
rc = badvaddr((vaddr_t)bus_space_vaddr(ca->ca_iot, ioh), 4);
if (rc == 0) {
chipid = bus_space_read_1(ca->ca_iot, ioh, PCCTWO_CHIPID);
if (chipid != PCC2_ID) {
#ifdef DEBUG
printf("==> pcctwo: wrong chip id %x.\n", chipid);
rc = -1;
#endif
}
}
bus_space_unmap(ca->ca_iot, ioh, PCC2_SIZE);
return rc == 0;
}
void
pcctwoattach(parent, self, args)
struct device *parent, *self;
void *args;
{
struct confargs *ca = args;
struct pcctwosoftc *sc = (struct pcctwosoftc *)self;
bus_space_handle_t ioh;
u_int8_t genctl;
sc->sc_base = ca->ca_paddr + PCC2_BASE;
if (bus_space_map(ca->ca_iot, sc->sc_base, PCC2_SIZE, 0, &ioh) != 0) {
printf(": can't map registers!\n");
return;
}
sc->sc_iot = ca->ca_iot;
sc->sc_ioh = ioh;
bus_space_write_1(sc->sc_iot, ioh, PCCTWO_VECBASE, PCC2_VECBASE);
genctl = bus_space_read_1(sc->sc_iot, ioh, PCCTWO_GENCTL);
#if NBUSSW > 0
if (ca->ca_bustype == BUS_BUSSWITCH) {
/* Make sure the bus is mc68040 compatible */
genctl |= PCC2_GENCTL_C040;
}
#endif
genctl |= PCC2_GENCTL_IEN; /* global irq enable */
bus_space_write_1(sc->sc_iot, ioh, PCCTWO_GENCTL, genctl);
printf(": rev %d\n",
bus_space_read_1(sc->sc_iot, ioh, PCCTWO_CHIPREV));
config_search(pcctwo_scan, self, args);
}
int
pcctwo_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
pcctwo_scan(parent, child, args)
struct device *parent;
void *child, *args;
{
struct cfdata *cf = child;
struct pcctwosoftc *sc = (struct pcctwosoftc *)parent;
struct confargs oca;
bzero(&oca, sizeof oca);
oca.ca_iot = sc->sc_iot;
oca.ca_offset = cf->cf_loc[0];
oca.ca_ipl = cf->cf_loc[1];
if (oca.ca_offset != -1) {
/* offset locator for pcctwo children is relative to segment */
oca.ca_paddr = sc->sc_base - PCC2_BASE + oca.ca_offset;
} else {
oca.ca_paddr = -1;
}
oca.ca_bustype = BUS_PCCTWO;
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, pcctwo_print);
return (1);
}
/*
* PCC2 interrupts land in a PCC2_NVEC sized hole starting at PCC2_VECBASE
*/
int
pcctwointr_establish(vec, ih)
int vec;
struct intrhand *ih;
{
#ifdef DIAGNOSTIC
if (vec < 0 || vec >= PCC2_NVEC)
panic("pcctwo_establish: illegal vector 0x%x\n", vec);
#endif
return (intr_establish(PCC2_VECBASE + vec, ih));
}
|
