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(args[5]);
80 if (info->target == NULL)
82 LOG_ERROR("target '%s' not defined", args[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,