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
|
/* $OpenBSD: sgc.c,v 1.6 2010/04/15 20:35:21 miod Exp $ */
/*
* Copyright (c) 2005, Miodrag Vallat
*
* 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.
*
*/
/*
* SGC bus attachment and mapping glue.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/kernel.h>
#include <machine/autoconf.h>
#include <machine/bus.h>
#include <machine/cpu.h>
#include <machine/hp300spu.h>
#include <hp300/dev/sgcreg.h>
#include <hp300/dev/sgcvar.h>
int sgcmatch(struct device *, void *, void *);
void sgcattach(struct device *, struct device *, void *);
int sgcprint(void *, const char *);
struct cfattach sgc_ca = {
sizeof(struct device), sgcmatch, sgcattach
};
struct cfdriver sgc_cd = {
NULL, "sgc", DV_DULL
};
int
sgcmatch(parent, match, aux)
struct device *parent;
void *match, *aux;
{
static int sgc_matched = 0;
/* Allow only one instance. */
if (sgc_matched)
return 0;
/*
* Leave out machines which can not have an SGC bus.
*/
switch (machineid) {
case HP_362:
case HP_382:
case HP_400:
case HP_425:
case HP_433:
return sgc_matched = 1;
default:
return 0;
}
}
void
sgcattach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct sgc_attach_args saa;
caddr_t pa, va;
int slot, rv;
extern struct hp300_bus_space_tag hp300_mem_tag;
printf("\n");
for (slot = 0; slot < SGC_NSLOTS; slot++) {
pa = sgc_slottopa(slot);
va = iomap(pa, PAGE_SIZE);
if (va == NULL) {
printf("%s: can't map slot %d\n", self->dv_xname, slot);
continue;
}
/* Check for hardware. */
rv = badaddr(va);
iounmap(va, PAGE_SIZE);
if (rv != 0)
continue;
bzero(&saa, sizeof(saa));
saa.saa_slot = slot;
saa.saa_iot = &hp300_mem_tag;
/* Attach matching device. */
config_found(self, &saa, sgcprint);
}
}
int
sgcprint(aux, pnp)
void *aux;
const char *pnp;
{
struct sgc_attach_args *saa = aux;
if (pnp)
printf("unknown SGC card at %s", pnp);
printf(" slot %d", saa->saa_slot);
return (UNCONF);
}
/*
* Convert a slot number to a system physical address.
* This is needed for bus_space.
*/
void *
sgc_slottopa(int slot)
{
u_long rval;
if (slot < 0 || slot >= SGC_NSLOTS)
rval = 0;
else
rval = SGC_BASE + (slot * SGC_DEVSIZE);
return ((void *)rval);
}
|
