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
|
/* $OpenBSD: uni_n.c,v 1.13 2005/11/13 21:49:15 drahn Exp $ */
/*
* Copyright (c) 1998-2001 Dale Rahn.
* 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/param.h>
#include <sys/device.h>
#include <sys/systm.h>
#include <machine/bus.h>
#include <machine/autoconf.h>
#include <dev/ofw/openfirm.h>
struct memc_softc {
struct device sc_dev;
char *baseaddr;
struct ppc_bus_space sc_membus_space;
};
int memcmatch(struct device *, void *, void *);
void memcattach(struct device *, struct device *, void *);
void memc_attach_children(struct memc_softc *sc, int memc_node);
int memc_print(void *aux, const char *name);
/* Driver definition */
struct cfdriver memc_cd = {
NULL, "memc", DV_DULL
};
/* Driver definition */
struct cfattach memc_ca = {
sizeof(struct memc_softc), memcmatch, memcattach
};
void *uni_n_config(int handle);
int
memcmatch(struct device *parent, void *cf, void *aux)
{
struct confargs *ca = aux;
static int memc_attached = 0;
/* allow only one instance */
if (memc_attached == 0) {
if (0 == strcmp (ca->ca_name, "memc"))
return 1;
}
return 0;
}
void
memcattach(struct device *parent, struct device *self, void *aux)
{
struct confargs *ca = aux;
int len;
char name[64];
struct memc_softc *sc = (struct memc_softc *)self;
len = OF_getprop(ca->ca_node, "name", name, sizeof name);
if (len > 0)
name[len] = 0;
if (strcmp(name, "uni-n") == 0 || strcmp(name, "u3") == 0
|| strcmp(name, "u4") == 0)
sc->baseaddr = uni_n_config(ca->ca_node);
printf (": %s\n", name);
memc_attach_children(sc, ca->ca_node);
}
void
memc_attach_children(struct memc_softc *sc, int memc_node)
{
struct confargs ca;
int node, namelen;
u_int32_t reg[20];
int32_t intr[8];
char name[32];
sc->sc_membus_space.bus_base = ca.ca_baseaddr;
ca.ca_iot = &sc->sc_membus_space;
ca.ca_dmat = 0; /* XXX */
ca.ca_baseaddr = 0; /* XXX */
sc->sc_membus_space.bus_base = ca.ca_baseaddr;
for (node = OF_child(memc_node); node; node = OF_peer(node)) {
namelen = OF_getprop(node, "name", name, sizeof(name));
if (namelen < 0)
continue;
if (namelen >= sizeof(name))
continue;
name[namelen] = 0;
ca.ca_name = name;
ca.ca_node = node;
ca.ca_nreg = OF_getprop(node, "reg", reg, sizeof(reg));
ca.ca_reg = reg;
ca.ca_nintr = 0; /* XXX */
ca.ca_intr = intr; /* XXX */
config_found((struct device *)sc, &ca, memc_print);
}
}
int
memc_print(void *aux, const char *name)
{
struct confargs *ca = aux;
/* we dont want extra stuff printing */
if (name)
printf("%s at %s", ca->ca_name, name);
if (ca->ca_nreg > 0)
printf(" offset 0x%x", ca->ca_reg[0]);
return UNCONF;
}
void *
uni_n_config(int handle)
{
char name[20];
char *baseaddr;
int *ctladdr;
u_int32_t address;
if (OF_getprop(handle, "name", name, sizeof name) > 0) {
/* sanity test */
if (strcmp (name, "uni-n") == 0 || strcmp (name, "u3") == 0
|| strcmp (name, "u4") == 0) {
if (OF_getprop(handle, "reg", &address,
sizeof address) > 0) {
baseaddr = mapiodev(address, NBPG);
ctladdr = (void *)(baseaddr + 0x20);
*ctladdr |= 0x02;
return baseaddr;
}
}
}
return 0;
}
|
