1 /***************************************************************************
2 * Copyright (C) 2010 by Spencer Oliver *
3 * spen@spen-soft.co.uk *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) any later version. *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
19 ***************************************************************************/
27 static struct flash_bank
*virtual_get_master_bank(struct flash_bank
*bank
)
29 struct flash_bank
*master_bank
;
31 master_bank
= get_flash_bank_by_name_noprobe(bank
->driver_priv
);
32 if (master_bank
== NULL
)
33 LOG_ERROR("master flash bank '%s' does not exist", (char *)bank
->driver_priv
);
38 static void virtual_update_bank_info(struct flash_bank
*bank
)
40 struct flash_bank
*master_bank
= virtual_get_master_bank(bank
);
42 if (master_bank
== NULL
)
45 /* update the info we do not have */
46 bank
->size
= master_bank
->size
;
47 bank
->chip_width
= master_bank
->chip_width
;
48 bank
->bus_width
= master_bank
->bus_width
;
49 bank
->default_padded_value
= master_bank
->default_padded_value
;
50 bank
->num_sectors
= master_bank
->num_sectors
;
51 bank
->sectors
= master_bank
->sectors
;
54 FLASH_BANK_COMMAND_HANDLER(virtual_flash_bank_command
)
57 return ERROR_COMMAND_SYNTAX_ERROR
;
59 /* get the master flash bank */
60 const char *bank_name
= CMD_ARGV
[6];
61 struct flash_bank
*master_bank
= get_flash_bank_by_name_noprobe(bank_name
);
63 if (master_bank
== NULL
) {
64 LOG_ERROR("master flash bank '%s' does not exist", bank_name
);
65 return ERROR_FLASH_OPERATION_FAILED
;
68 /* save master bank name - use this to get settings later */
69 bank
->driver_priv
= strdup(bank_name
);
74 static int virtual_protect(struct flash_bank
*bank
, int set
, int first
, int last
)
76 struct flash_bank
*master_bank
= virtual_get_master_bank(bank
);
79 if (master_bank
== NULL
)
80 return ERROR_FLASH_OPERATION_FAILED
;
82 /* call master handler */
83 retval
= master_bank
->driver
->protect(master_bank
, set
, first
, last
);
84 if (retval
!= ERROR_OK
)
90 static int virtual_protect_check(struct flash_bank
*bank
)
92 struct flash_bank
*master_bank
= virtual_get_master_bank(bank
);
95 if (master_bank
== NULL
)
96 return ERROR_FLASH_OPERATION_FAILED
;
98 /* call master handler */
99 retval
= master_bank
->driver
->protect_check(master_bank
);
100 if (retval
!= ERROR_OK
)
106 static int virtual_erase(struct flash_bank
*bank
, int first
, int last
)
108 struct flash_bank
*master_bank
= virtual_get_master_bank(bank
);
111 if (master_bank
== NULL
)
112 return ERROR_FLASH_OPERATION_FAILED
;
114 /* call master handler */
115 retval
= master_bank
->driver
->erase(master_bank
, first
, last
);
116 if (retval
!= ERROR_OK
)
122 static int virtual_write(struct flash_bank
*bank
, const uint8_t *buffer
,
123 uint32_t offset
, uint32_t count
)
125 struct flash_bank
*master_bank
= virtual_get_master_bank(bank
);
128 if (master_bank
== NULL
)
129 return ERROR_FLASH_OPERATION_FAILED
;
131 /* call master handler */
132 retval
= master_bank
->driver
->write(master_bank
, buffer
, offset
, count
);
133 if (retval
!= ERROR_OK
)
139 static int virtual_probe(struct flash_bank
*bank
)
141 struct flash_bank
*master_bank
= virtual_get_master_bank(bank
);
144 if (master_bank
== NULL
)
145 return ERROR_FLASH_OPERATION_FAILED
;
147 /* call master handler */
148 retval
= master_bank
->driver
->probe(master_bank
);
149 if (retval
!= ERROR_OK
)
152 /* update the info we do not have */
153 virtual_update_bank_info(bank
);
158 static int virtual_auto_probe(struct flash_bank
*bank
)
160 struct flash_bank
*master_bank
= virtual_get_master_bank(bank
);
163 if (master_bank
== NULL
)
164 return ERROR_FLASH_OPERATION_FAILED
;
166 /* call master handler */
167 retval
= master_bank
->driver
->auto_probe(master_bank
);
168 if (retval
!= ERROR_OK
)
171 /* update the info we do not have */
172 virtual_update_bank_info(bank
);
177 static int virtual_info(struct flash_bank
*bank
, char *buf
, int buf_size
)
179 struct flash_bank
*master_bank
= virtual_get_master_bank(bank
);
181 if (master_bank
== NULL
)
182 return ERROR_FLASH_OPERATION_FAILED
;
184 snprintf(buf
, buf_size
, "%s driver for flash bank %s at 0x%8.8" PRIx32
"",
185 bank
->driver
->name
, master_bank
->name
, master_bank
->base
);
190 static int virtual_blank_check(struct flash_bank
*bank
)
192 struct flash_bank
*master_bank
= virtual_get_master_bank(bank
);
195 if (master_bank
== NULL
)
196 return ERROR_FLASH_OPERATION_FAILED
;
198 /* call master handler */
199 retval
= master_bank
->driver
->erase_check(master_bank
);
200 if (retval
!= ERROR_OK
)
206 static int virtual_flash_read(struct flash_bank
*bank
,
207 uint8_t *buffer
, uint32_t offset
, uint32_t count
)
209 struct flash_bank
*master_bank
= virtual_get_master_bank(bank
);
212 if (master_bank
== NULL
)
213 return ERROR_FLASH_OPERATION_FAILED
;
215 /* call master handler */
216 retval
= master_bank
->driver
->read(master_bank
, buffer
, offset
, count
);
217 if (retval
!= ERROR_OK
)
223 struct flash_driver virtual_flash
= {
225 .flash_bank_command
= virtual_flash_bank_command
,
226 .erase
= virtual_erase
,
227 .protect
= virtual_protect
,
228 .write
= virtual_write
,
229 .read
= virtual_flash_read
,
230 .probe
= virtual_probe
,
231 .auto_probe
= virtual_auto_probe
,
232 .erase_check
= virtual_blank_check
,
233 .protect_check
= virtual_protect_check
,
234 .info
= virtual_info
,
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