1 /***************************************************************************
2 * Copyright (C) 2009 Øyvind Harboe *
3 * oyvind.harboe@zylin.com *
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 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
19 ***************************************************************************/
28 struct faux_flash_bank
30 struct target
*target
;
32 uint32_t start_address
;
35 static const int sectorSize
= 0x10000;
38 /* flash bank faux <base> <size> <chip_width> <bus_width> <target#> <driverPath>
40 FLASH_BANK_COMMAND_HANDLER(faux_flash_bank_command
)
42 struct faux_flash_bank
*info
;
46 LOG_WARNING("incomplete flash_bank faux configuration");
47 return ERROR_FLASH_BANK_INVALID
;
50 info
= malloc(sizeof(struct faux_flash_bank
));
53 LOG_ERROR("no memory for flash bank info");
56 info
->memory
= malloc(bank
->size
);
60 LOG_ERROR("no memory for flash bank info");
63 bank
->driver_priv
= info
;
65 /* Use 0x10000 as a fixed sector size. */
68 bank
->num_sectors
= bank
->size
/sectorSize
;
69 bank
->sectors
= malloc(sizeof(struct flash_sector
) * bank
->num_sectors
);
70 for (i
= 0; i
< bank
->num_sectors
; i
++)
72 bank
->sectors
[i
].offset
= offset
;
73 bank
->sectors
[i
].size
= sectorSize
;
74 offset
+= bank
->sectors
[i
].size
;
75 bank
->sectors
[i
].is_erased
= -1;
76 bank
->sectors
[i
].is_protected
= 0;
79 info
->target
= get_target(CMD_ARGV
[5]);
80 if (info
->target
== NULL
)
82 LOG_ERROR("target '%s' not defined", CMD_ARGV
[5]);
90 static int faux_register_commands(struct command_context
*cmd_ctx
)
95 static int faux_erase(struct flash_bank
*bank
, int first
, int last
)
97 struct faux_flash_bank
*info
= bank
->driver_priv
;
98 memset(info
->memory
+ first
*sectorSize
, 0xff, sectorSize
*(last
-first
+ 1));
102 static int faux_protect(struct flash_bank
*bank
, int set
, int first
, int last
)
104 LOG_USER("set protection sector %d to %d to %s", first
, last
, set
?"on":"off");
108 static int faux_write(struct flash_bank
*bank
, uint8_t *buffer
, uint32_t offset
, uint32_t count
)
110 struct faux_flash_bank
*info
= bank
->driver_priv
;
111 memcpy(info
->memory
+ offset
, buffer
, count
);
115 static int faux_protect_check(struct flash_bank
*bank
)
120 static int faux_info(struct flash_bank
*bank
, char *buf
, int buf_size
)
122 snprintf(buf
, buf_size
, "faux flash driver");
126 static int faux_probe(struct flash_bank
*bank
)
131 struct flash_driver faux_flash
= {
133 .register_commands
= &faux_register_commands
,
134 .flash_bank_command
= &faux_flash_bank_command
,
135 .erase
= &faux_erase
,
136 .protect
= &faux_protect
,
137 .write
= &faux_write
,
138 .probe
= &faux_probe
,
139 .auto_probe
= &faux_probe
,
140 .erase_check
= &default_flash_blank_check
,
141 .protect_check
= &faux_protect_check
,