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
208
209
210
211
212
213
214
215
216
217
|
/* $OpenBSD: upa.c,v 1.4 2003/06/02 20:02:49 jason Exp $ */
/*
* Copyright (c) 2002 Jason L. Wright (jason@thought.net)
* 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.
*
* Effort sponsored in part by the Defense Advanced Research Projects
* Agency (DARPA) and Air Force Research Laboratory, Air Force
* Materiel Command, USAF, under agreement number F30602-01-2-0537.
*
*/
#include <sys/types.h>
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/device.h>
#include <sys/conf.h>
#include <sys/timeout.h>
#include <sys/malloc.h>
#define _SPARC_BUS_DMA_PRIVATE
#include <machine/bus.h>
#include <machine/autoconf.h>
#include <machine/openfirm.h>
#include <sparc64/dev/ebusreg.h>
#include <sparc64/dev/ebusvar.h>
#include "pckbd.h"
#if NPCKBD > 0
#include <dev/ic/pckbcvar.h>
#include <dev/pckbc/pckbdvar.h>
#endif
struct upa_range {
u_int64_t ur_space;
u_int64_t ur_addr;
u_int64_t ur_len;
};
struct upa_softc {
struct device sc_dev;
bus_space_tag_t sc_bt;
bus_space_handle_t sc_reg[3];
struct upa_range *sc_range;
int sc_node;
int sc_nrange;
bus_space_tag_t sc_cbt;
};
int upa_match(struct device *, void *, void *);
void upa_attach(struct device *, struct device *, void *);
struct cfattach upa_ca = {
sizeof(struct upa_softc), upa_match, upa_attach
};
struct cfdriver upa_cd = {
NULL, "upa", DV_DULL
};
int upa_print(void *, const char *);
bus_space_tag_t upa_alloc_bus_tag(struct upa_softc *);
int __upa_bus_map(bus_space_tag_t, bus_space_tag_t, bus_addr_t,
bus_size_t, int, bus_space_handle_t *);
int
upa_match(struct device *parent, void *match, void *aux)
{
struct mainbus_attach_args *ma = aux;
if (strcmp(ma->ma_name, "upa") == 0)
return (1);
return (0);
}
void
upa_attach(struct device *parent, struct device *self, void *aux)
{
struct upa_softc *sc = (void *)self;
struct mainbus_attach_args *ma = aux;
int i, node;
sc->sc_bt = ma->ma_bustag;
sc->sc_node = ma->ma_node;
for (i = 0; i < 3; i++) {
if (i >= ma->ma_nreg) {
printf(": no register %d\n", i);
return;
}
if (bus_space_map(sc->sc_bt, ma->ma_reg[i].ur_paddr,
ma->ma_reg[i].ur_len, 0, &sc->sc_reg[i])) {
printf(": failed to map reg%d\n", i);
return;
}
}
if (getprop(sc->sc_node, "ranges", sizeof(struct upa_range),
&sc->sc_nrange, (void **)&sc->sc_range))
panic("upa: can't get ranges");
printf("\n");
sc->sc_cbt = upa_alloc_bus_tag(sc);
for (node = OF_child(sc->sc_node); node; node = OF_peer(node)) {
char buf[32];
struct mainbus_attach_args map;
bzero(&map, sizeof(map));
if (OF_getprop(node, "device_type", buf, sizeof(buf)) <= 0)
continue;
if (getprop(node, "reg", sizeof(*map.ma_reg),
&map.ma_nreg, (void **)&map.ma_reg) != 0)
continue;
if (OF_getprop(node, "name", buf, sizeof(buf)) <= 0)
continue;
map.ma_node = node;
map.ma_name = buf;
map.ma_bustag = sc->sc_cbt;
map.ma_dmatag = ma->ma_dmatag;
config_found(&sc->sc_dev, &map, upa_print);
}
}
int
upa_print(void *args, const char *name)
{
struct mainbus_attach_args *ma = args;
if (name)
printf("%s at %s", ma->ma_name, name);
return (UNCONF);
}
bus_space_tag_t
upa_alloc_bus_tag(struct upa_softc *sc)
{
struct sparc_bus_space_tag *bt;
bt = malloc(sizeof(*bt), M_DEVBUF, M_NOWAIT);
if (bt == NULL)
panic("upa: couldn't alloc bus tag");
bzero(bt, sizeof *bt);
snprintf(bt->name, sizeof(bt->name), "%s",
sc->sc_dev.dv_xname);
bt->cookie = sc;
bt->parent = sc->sc_bt;
bt->asi = bt->parent->asi;
bt->sasi = bt->parent->sasi;
bt->sparc_bus_map = __upa_bus_map;
/* XXX bt->sparc_bus_mmap = upa_bus_mmap; */
/* XXX bt->sparc_intr_establish = upa_intr_establish; */
return (bt);
}
int
__upa_bus_map(bus_space_tag_t t, bus_space_tag_t t0, bus_addr_t offset,
bus_size_t size, int flags, bus_space_handle_t *hp)
{
struct upa_softc *sc = t->cookie;
int i;
if (t->parent == 0 || t->parent->sparc_bus_map == 0) {
printf("\n__upa_bus_map: invalid parent");
return (EINVAL);
}
t = t->parent;
if (flags & BUS_SPACE_MAP_PROMADDRESS) {
return ((*t->sparc_bus_map)
(t, t0, offset, size, flags, hp));
}
for (i = 0; i < sc->sc_nrange; i++) {
if (offset < sc->sc_range[i].ur_space)
continue;
if (offset >= (sc->sc_range[i].ur_space +
sc->sc_range[i].ur_space))
continue;
break;
}
if (i == sc->sc_nrange)
return (EINVAL);
offset -= sc->sc_range[i].ur_space;
offset += sc->sc_range[i].ur_addr;
return ((*t->sparc_bus_map)(t, t0, offset, size, flags, hp));
}
|
