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
|
/***************************************************************************
* Copyright (C) 2008 by Kevin McGuire *
* Copyright (C) 2008 by Marcel Wijlaars *
* *
* 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. *
***************************************************************************/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "replacements.h"
#include "flash.h"
#include "target.h"
#include "log.h"
#include "armv4_5.h"
#include "algorithm.h"
#include "binarybuffer.h"
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
int aduc702x_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank);
int aduc702x_register_commands(struct command_context_s *cmd_ctx);
int aduc702x_erase(struct flash_bank_s *bank, int first, int last);
int aduc702x_protect(struct flash_bank_s *bank, int set, int first, int last);
int aduc702x_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count);
int aduc702x_probe(struct flash_bank_s *bank);
int aduc702x_info(struct flash_bank_s *bank, char *buf, int buf_size);
int aduc702x_protect_check(struct flash_bank_s *bank);
#define ADUC702x_FLASH 0xfffff800
#define ADUC702x_FLASH_FEESTA (0*4)
#define ADUC702x_FLASH_FEEMOD (1*4)
#define ADUC702x_FLASH_FEECON (2*4)
#define ADUC702x_FLASH_FEEDAT (3*4)
#define ADUC702x_FLASH_FEEADR (4*4)
#define ADUC702x_FLASH_FEESIGN (5*4)
#define ADUC702x_FLASH_FEEPRO (6*4)
#define ADUC702x_FLASH_FEEHIDE (7*4)
typedef struct {
u32 feesta;
u32 feemod;
u32 feecon;
u32 feedat;
u32 feeadr;
u32 feesign;
u32 feepro;
u32 feehide;
} ADUC702x_FLASH_MMIO;
typedef struct
{
unsigned char tmp;
} aduc702x_bank;
flash_driver_t aduc702x_flash =
{
.name = "aduc702x",
.register_commands = aduc702x_register_commands,
.flash_bank_command = aduc702x_flash_bank_command,
.erase = aduc702x_erase,
.protect = aduc702x_protect,
.write = aduc702x_write,
.probe = aduc702x_probe,
.auto_probe = aduc702x_probe,
.erase_check = default_flash_blank_check,
.protect_check = aduc702x_protect_check,
.info = aduc702x_info
};
int aduc702x_register_commands(struct command_context_s *cmd_ctx)
{
return ERROR_OK;
}
/* flash bank aduc702x <base> <size> 0 0 <target#> */
int aduc702x_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank)
{
aduc702x_bank *nbank;
if (argc < 6)
{
LOG_WARNING("incomplete flash_bank aduc702x configuration");
return ERROR_FLASH_BANK_INVALID;
}
nbank = malloc(sizeof(aduc702x_bank));
/* just warn that we are used to normally using 0x80000 */
if (bank->base != 0x80000)
{
LOG_WARNING("Default base address is 0x80000 on the ADuC7026!");
}
nbank->tmp = 1;
bank->driver_priv = nbank;
return ERROR_OK;
}
int aduc702x_protect_check(struct flash_bank_s *bank)
{
printf("aduc702x_protect_check not implemented yet.\n");
return ERROR_OK;
}
int aduc702x_erase(struct flash_bank_s *bank, int first, int last)
{
int x;
int count;
u32 v;
target_t *target = bank->target;
/* mass erase */
if ((first | last) == 0)
{
LOG_DEBUG("performing mass erase.\n");
target_write_u32(target, ADUC702x_FLASH + ADUC702x_FLASH_FEEDAT, 0x3cff);
target_write_u32(target, ADUC702x_FLASH + ADUC702x_FLASH_FEEADR, 0xffc3);
target_read_u32(target, ADUC702x_FLASH + ADUC702x_FLASH_FEEMOD, &v);
target_write_u32(target, ADUC702x_FLASH + ADUC702x_FLASH_FEEMOD, v | 0x8);
target_write_u32(target, ADUC702x_FLASH + ADUC702x_FLASH_FEECON, 0x06);
for (v = 0x4; v & 0x4;
target_read_u32(target, ADUC702x_FLASH + ADUC702x_FLASH_FEESTA, &v));
if (!(v & 0x1))
{
LOG_ERROR("mass erase failed.\n");
return ERROR_FLASH_SECTOR_NOT_ERASED;
}
LOG_DEBUG("mass erase successful.\n");
return ERROR_OK;
}
count = last - first;
for (x = 0; x < count; ++x)
{
target_write_u32(target, ADUC702x_FLASH + ADUC702x_FLASH_FEEADR, bank->base + first * 512 + x * 512);
target_write_u32(target, ADUC702x_FLASH + ADUC702x_FLASH_FEECON, 0x05);
for (v = 0x4; v & 0x4; target_read_u32(target, ADUC702x_FLASH + ADUC702x_FLASH_FEESTA, &v));
if (!(v & 0x1))
{
LOG_ERROR("erase failed for page address %x\n", bank->base + first * 512 + x * 512);
return ERROR_FLASH_SECTOR_NOT_ERASED;
}
LOG_DEBUG("erased page address %x\n", bank->base + first * 512 + x * 512);
}
return ERROR_OK;
}
int aduc702x_protect(struct flash_bank_s *bank, int set, int first, int last)
{
printf("aduc702x_protect not implemented yet.\n");
return ERROR_FLASH_OPERATION_FAILED;
}
int aduc702x_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count)
{
int x;
u32 v;
target_t *target = bank->target;
for (x = 0; x < count; x += 2)
{
target_write_u32(target, ADUC702x_FLASH + ADUC702x_FLASH_FEEADR, offset + x);
/* if we able to encounter a single byte instead of a word */
if ((x + 1) == count) {
target_write_u32(target, ADUC702x_FLASH + ADUC702x_FLASH_FEEDAT, buffer[x]);
}
else {
target_write_u32(target, ADUC702x_FLASH + ADUC702x_FLASH_FEEDAT, buffer[x] | (buffer[x+1] << 8));
}
target_write_u32(target, ADUC702x_FLASH + ADUC702x_FLASH_FEECON, 0x02);
for (v = 0x4; v & 0x4; target_read_u32(target, ADUC702x_FLASH + ADUC702x_FLASH_FEESTA, &v));
if (!(v & 0x1))
{
LOG_ERROR("single write failed for address %x.\n", offset + x);
return ERROR_FLASH_OPERATION_FAILED;
}
LOG_DEBUG("single write for address %x.\n", offset + x);
}
return ERROR_OK;
}
int aduc702x_probe(struct flash_bank_s *bank)
{
return ERROR_OK;
}
int aduc702x_info(struct flash_bank_s *bank, char *buf, int buf_size)
{
snprintf(buf, buf_size, "aduc702x flash driver info" );
return ERROR_OK;
}
|
