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
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
|
/*
* diag_led.c - replacement diag module
*
* Copyright (C) 2004 Mike Baker,
* Imre Kaloz <kaloz@dune.hu>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* $Id$
*/
/*
* ChangeLog:
* 2004/03/28 initial release
* 2004/08/26 asus & buffalo support added
* 2005/03/14 asus wl-500g deluxe and buffalo v2 support added
* 2005/04/13 added licensing informations
* 2005/04/18 base reset polarity off initial readings
*/
#include <linux/module.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/sysctl.h>
#include <asm/io.h>
#include <typedefs.h>
#include <bcm4710.h>
#include <sbutils.h>
extern char * nvram_get(const char *name);
static void *sbh;
// v2.x - - - - -
#define DIAG_GPIO (1<<1)
#define DMZ_GPIO (1<<7)
static void set_gpio(uint32 mask, uint32 value) {
sb_gpiocontrol(sbh,mask,0);
sb_gpioouten(sbh,mask,mask);
sb_gpioout(sbh,mask,value);
}
static void v2_set_diag(u8 state) {
set_gpio(DIAG_GPIO,state);
}
static void v2_set_dmz(u8 state) {
set_gpio(DMZ_GPIO,state);
}
// v1.x - - - - -
#define LED_DIAG 0x13
#define LED_DMZ 0x12
static void v1_set_diag(u8 state) {
if (!state) {
*(volatile u8*)(KSEG1ADDR(BCM4710_EUART)+LED_DIAG)=0xFF;
} else {
*(volatile u8*)(KSEG1ADDR(BCM4710_EUART)+LED_DIAG);
}
}
static void v1_set_dmz(u8 state) {
if (!state) {
*(volatile u8*)(KSEG1ADDR(BCM4710_EUART)+LED_DMZ)=0xFF;
} else {
*(volatile u8*)(KSEG1ADDR(BCM4710_EUART)+LED_DMZ);
}
}
// - - - - -
static void ignore(u8 ignored) {};
// - - - - -
#define BIT_DMZ 0x01
#define BIT_DIAG 0x04
void (*set_diag)(u8 state);
void (*set_dmz)(u8 state);
static unsigned int diag = 0;
static void diag_change()
{
set_diag(0xFF); // off
set_dmz(0xFF); // off
if(diag & BIT_DIAG)
set_diag(0x00); // on
if(diag & BIT_DMZ)
set_dmz(0x00); // on
}
static int proc_diag(ctl_table *table, int write, struct file *filp,
void *buffer, size_t *lenp)
{
int r;
r = proc_dointvec(table, write, filp, buffer, lenp);
if (write && !r) {
diag_change();
}
return r;
}
// - - - - -
static unsigned char reset_gpio = 0;
static unsigned char reset_polarity = 0;
static unsigned int reset = 0;
static int proc_reset(ctl_table *table, int write, struct file *filp,
void *buffer, size_t *lenp)
{
if (reset_gpio) {
sb_gpiocontrol(sbh,reset_gpio,reset_gpio);
sb_gpioouten(sbh,reset_gpio,0);
reset=!(sb_gpioin(sbh)&reset_gpio);
if (reset_polarity) reset=!reset;
} else {
reset=0;
}
return proc_dointvec(table, write, filp, buffer, lenp);
}
// - - - - -
static struct ctl_table_header *diag_sysctl_header;
static ctl_table sys_diag[] = {
{
ctl_name: 2000,
procname: "diag",
data: &diag,
maxlen: sizeof(diag),
mode: 0644,
proc_handler: proc_diag
},
{
ctl_name: 2001,
procname: "reset",
data: &reset,
maxlen: sizeof(reset),
mode: 0444,
proc_handler: proc_reset
},
{ 0 }
};
static int __init diag_init()
{
char *buf;
u32 board_type;
sbh = sb_kattach();
sb_gpiosetcore(sbh);
board_type = sb_boardtype(sbh);
printk(KERN_INFO "diag boardtype: %08x\n",board_type);
set_diag=ignore;
set_dmz=ignore;
if ((board_type & 0xf00) == 0x400) {
buf=nvram_get("boardtype")?:"";
if (!strcmp(buf,"bcm94710dev")) {
buf=nvram_get("boardnum")?:"";
if (!strcmp(buf,"42")) {
// wrt54g v1.x
set_diag=v1_set_diag;
set_dmz=v1_set_dmz;
reset_gpio=(1<<6);
}
if (!strcmp(buf,"asusX")) {
//asus wl-500g
reset_gpio=(1<<6);
}
}
if (!strcmp(buf,"bcm94710ap")) {
buf=nvram_get("boardnum")?:"";
if (!strcmp(buf,"42")) {
// buffalo
set_dmz=v2_set_dmz;
reset_gpio=(1<<4);
}
if (!strcmp(buf,"44")) {
//dell truemobile
set_dmz=v2_set_dmz;
reset_gpio=(1<<0);
}
}
} else {
buf=nvram_get("boardnum")?:"";
if (!strcmp(buf,"42")) {
//linksys
set_diag=v2_set_diag;
set_dmz=v2_set_dmz;
reset_gpio=(1<<6);
}
if (!strcmp(buf,"44")) {
//motorola
reset_gpio=(1<<5);
}
if (!strcmp(buf,"00")) {
//buffalo
reset_gpio=(1<<7);
}
if (!strcmp(buf,"45")) {
//wl-500g deluxe
reset_gpio=(1<<6);
}
}
sb_gpiocontrol(sbh,reset_gpio,reset_gpio);
sb_gpioouten(sbh,reset_gpio,0);
reset_polarity=!(sb_gpioin(sbh)&reset_gpio);
diag_sysctl_header = register_sysctl_table(sys_diag, 0);
diag_change();
return 0;
}
static void __exit diag_exit()
{
unregister_sysctl_table(diag_sysctl_header);
}
EXPORT_NO_SYMBOLS;
MODULE_AUTHOR("openwrt.org");
MODULE_LICENSE("GPL");
module_init(diag_init);
module_exit(diag_exit);
|
