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
|
/* $OpenBSD: fhc.c,v 1.2 2004/09/23 16:26:59 jason Exp $ */
/*
* Copyright (c) 2004 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.
*/
#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>
#include <machine/bus.h>
#include <machine/autoconf.h>
#include <machine/openfirm.h>
#include <sparc64/dev/fhcvar.h>
struct cfdriver fhc_cd = {
NULL, "fhc", DV_DULL
};
int fhc_print(void *, const char *);
bus_space_tag_t fhc_alloc_bus_tag(struct fhc_softc *);
int _fhc_bus_map(bus_space_tag_t, bus_space_tag_t, bus_addr_t, bus_size_t,
int, bus_space_handle_t *);
void
fhc_attach(struct fhc_softc *sc)
{
int node0, node;
printf(": %s\n", getpropstring(sc->sc_node, "board-model"));
sc->sc_cbt = fhc_alloc_bus_tag(sc);
getprop(sc->sc_node, "ranges", sizeof(struct fhc_range),
&sc->sc_nrange, (void **)&sc->sc_range);
node0 = firstchild(sc->sc_node);
for (node = node0; node; node = nextsibling(node)) {
struct fhc_attach_args fa;
bzero(&fa, sizeof(fa));
fa.fa_node = node;
fa.fa_bustag = sc->sc_cbt;
if (fhc_get_string(fa.fa_node, "name", &fa.fa_name)) {
printf("can't fetch name for node 0x%x\n", node);
continue;
}
getprop(node, "reg", sizeof(struct fhc_reg),
&fa.fa_nreg, (void **)&fa.fa_reg);
(void)config_found(&sc->sc_dv, (void *)&fa, fhc_print);
if (fa.fa_name != NULL)
free(fa.fa_name, M_DEVBUF);
if (fa.fa_reg != NULL)
free(fa.fa_reg, M_DEVBUF);
}
}
int
fhc_print(void *args, const char *busname)
{
struct fhc_attach_args *fa = args;
char *class;
if (busname != NULL) {
printf("%s at %s", fa->fa_name, busname);
class = getpropstring(fa->fa_node, "device_type");
if (*class != '\0')
printf(" class %s", class);
}
return (UNCONF);
}
int
fhc_get_string(int node, char *name, char **buf)
{
int len;
len = getproplen(node, name);
if (len < 0)
return (len);
*buf = (char *)malloc(len + 1, M_DEVBUF, M_NOWAIT);
if (buf == NULL)
return (-1);
if (len != 0)
getpropstringA(node, name, *buf);
(*buf)[len] = '\0';
return (0);
}
bus_space_tag_t
fhc_alloc_bus_tag(struct fhc_softc *sc)
{
struct sparc_bus_space_tag *bt;
bt = malloc(sizeof(*bt), M_DEVBUF, M_NOWAIT);
if (bt == NULL)
panic("fhc: couldn't alloc bus tag");
bzero(bt, sizeof(*bt));
snprintf(bt->name, sizeof(bt->name), "%s", sc->sc_dv.dv_xname);
bt->cookie = sc;
bt->parent = sc->sc_bt;
bt->asi = bt->parent->asi;
bt->sasi = bt->parent->sasi;
bt->sparc_bus_map = _fhc_bus_map;
/* XXX bt->sparc_bus_mmap = fhc_bus_mmap; */
/* XXX bt->sparc_intr_establish = upa_intr_establish; */
return (bt);
}
int
_fhc_bus_map(bus_space_tag_t t, bus_space_tag_t t0, bus_addr_t addr,
bus_size_t size, int flags, bus_space_handle_t *hp)
{
struct fhc_softc *sc = t->cookie;
int64_t slot = BUS_ADDR_IOSPACE(addr);
int64_t offset = BUS_ADDR_PADDR(addr);
int i;
if (t->parent == NULL || t->parent->sparc_bus_map == NULL) {
printf("\n_fhc_bus_map: invalid parent");
return (EINVAL);
}
if (flags & BUS_SPACE_MAP_PROMADDRESS)
return ((*t->parent->sparc_bus_map)(t, t0, addr,
size, flags, hp));
for (i = 0; i < sc->sc_nrange; i++) {
bus_addr_t paddr;
if (sc->sc_range[i].cspace != slot)
continue;
paddr = offset - sc->sc_range[i].coffset;
paddr += sc->sc_range[i].poffset;
paddr |= ((bus_addr_t)sc->sc_range[i].pspace << 32);
return ((*t->parent->sparc_bus_map)(t->parent, t0, paddr,
size, flags, hp));
}
return (EINVAL);
}
|
