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- /***************************************************************************
- * Copyright (C) 2009 Øyvind Harboe *
- * oyvind.harboe@zylin.com *
- * *
- * 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 "flash.h"
- #include "image.h"
-
-
- struct faux_flash_bank
- {
- struct target *target;
- uint8_t *memory;
- uint32_t start_address;
- };
-
- static const int sectorSize = 0x10000;
-
-
- /* flash bank faux <base> <size> <chip_width> <bus_width> <target#> <driverPath>
- */
- FLASH_BANK_COMMAND_HANDLER(faux_flash_bank_command)
- {
- struct faux_flash_bank *info;
-
- if (argc < 6)
- {
- LOG_WARNING("incomplete flash_bank faux configuration");
- return ERROR_FLASH_BANK_INVALID;
- }
-
- info = malloc(sizeof(struct faux_flash_bank));
- if (info == NULL)
- {
- LOG_ERROR("no memory for flash bank info");
- return ERROR_FAIL;
- }
- info->memory = malloc(bank->size);
- if (info == NULL)
- {
- free(info);
- LOG_ERROR("no memory for flash bank info");
- return ERROR_FAIL;
- }
- bank->driver_priv = info;
-
- /* Use 0x10000 as a fixed sector size. */
- int i = 0;
- uint32_t offset = 0;
- bank->num_sectors = bank->size/sectorSize;
- bank->sectors = malloc(sizeof(struct flash_sector) * bank->num_sectors);
- for (i = 0; i < bank->num_sectors; i++)
- {
- bank->sectors[i].offset = offset;
- bank->sectors[i].size = sectorSize;
- offset += bank->sectors[i].size;
- bank->sectors[i].is_erased = -1;
- bank->sectors[i].is_protected = 0;
- }
-
- info->target = get_target(args[5]);
- if (info->target == NULL)
- {
- LOG_ERROR("target '%s' not defined", args[5]);
- free(info->memory);
- free(info);
- return ERROR_FAIL;
- }
- return ERROR_OK;
- }
-
- static int faux_register_commands(struct command_context *cmd_ctx)
- {
- return ERROR_OK;
- }
-
- static int faux_erase(struct flash_bank *bank, int first, int last)
- {
- struct faux_flash_bank *info = bank->driver_priv;
- memset(info->memory + first*sectorSize, 0xff, sectorSize*(last-first + 1));
- return ERROR_OK;
- }
-
- static int faux_protect(struct flash_bank *bank, int set, int first, int last)
- {
- LOG_USER("set protection sector %d to %d to %s", first, last, set?"on":"off");
- return ERROR_OK;
- }
-
- static int faux_write(struct flash_bank *bank, uint8_t *buffer, uint32_t offset, uint32_t count)
- {
- struct faux_flash_bank *info = bank->driver_priv;
- memcpy(info->memory + offset, buffer, count);
- return ERROR_OK;
- }
-
- static int faux_protect_check(struct flash_bank *bank)
- {
- return ERROR_OK;
- }
-
- static int faux_info(struct flash_bank *bank, char *buf, int buf_size)
- {
- snprintf(buf, buf_size, "faux flash driver");
- return ERROR_OK;
- }
-
- static int faux_probe(struct flash_bank *bank)
- {
- return ERROR_OK;
- }
-
- struct flash_driver faux_flash = {
- .name = "faux",
- .register_commands = &faux_register_commands,
- .flash_bank_command = &faux_flash_bank_command,
- .erase = &faux_erase,
- .protect = &faux_protect,
- .write = &faux_write,
- .probe = &faux_probe,
- .auto_probe = &faux_probe,
- .erase_check = &default_flash_blank_check,
- .protect_check = &faux_protect_check,
- .info = &faux_info
- };
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