+// SPDX-License-Identifier: GPL-2.0-or-later
+
/***************************************************************************
* Copyright (C) 2011 by Rodrigo L. Rosa *
* rodrigorosa.LG@gmail.com *
* Kevin McGuire *
* Marcel Wijlaars *
* Michael Ashton *
- * *
- * 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, see <http://www.gnu.org/licenses/>. *
***************************************************************************/
/**
static int dsp5680xx_build_sector_list(struct flash_bank *bank)
{
- uint32_t offset = HFM_FLASH_BASE_ADDR;
-
bank->sectors = malloc(sizeof(struct flash_sector) * bank->num_sectors);
- int i;
- for (i = 0; i < bank->num_sectors; ++i) {
+ for (unsigned int i = 0; i < bank->num_sectors; ++i) {
bank->sectors[i].offset = i * HFM_SECTOR_SIZE;
bank->sectors[i].size = HFM_SECTOR_SIZE;
- offset += bank->sectors[i].size;
bank->sectors[i].is_erased = -1;
bank->sectors[i].is_protected = -1;
}
}
/**
- * Protection funcionality is not implemented.
+ * Protection functionality is not implemented.
* The current implementation applies/removes security on the chip.
* The chip is effectively secured/unsecured after the first reset
* following the execution of this function.
*
* @return
*/
-static int dsp5680xx_flash_protect(struct flash_bank *bank, int set, int first,
- int last)
+static int dsp5680xx_flash_protect(struct flash_bank *bank, int set,
+ unsigned int first, unsigned int last)
{
/**
* This applies security to flash module after next reset, it does
if (set)
retval = dsp5680xx_f_lock(bank->target);
- else {
+ else
retval = dsp5680xx_f_unlock(bank->target);
- if (retval == ERROR_OK) {
- /* mark all as erased */
- for (int i = 0; i <= (HFM_SECTOR_COUNT - 1); i++)
- /* FM does not recognize it as erased if erased via JTAG. */
- bank->sectors[i].is_erased = 1;
- }
- }
+
return retval;
}
*
* @return
*/
-static int dsp5680xx_flash_write(struct flash_bank *bank, const uint8_t* buffer,
+static int dsp5680xx_flash_write(struct flash_bank *bank, const uint8_t *buffer,
uint32_t offset, uint32_t count)
{
- int retval;
-
if ((offset + count / 2) > bank->size) {
LOG_ERROR("%s: Flash bank cannot fit data.", __func__);
return ERROR_FAIL;
LOG_ERROR("%s: Writing to odd addresses not supported for this target", __func__);
return ERROR_FAIL;
}
- retval = dsp5680xx_f_wr(bank->target, buffer, bank->base + offset / 2, count, 0);
- uint32_t addr_word;
-
- for (addr_word = bank->base + offset / 2; addr_word < count / 2;
- addr_word += (HFM_SECTOR_SIZE / 2)) {
- if (retval == ERROR_OK)
- bank->sectors[addr_word / (HFM_SECTOR_SIZE / 2)].is_erased = 0;
- else
- bank->sectors[addr_word / (HFM_SECTOR_SIZE / 2)].is_erased = -1;
- }
- return retval;
+ return dsp5680xx_f_wr(bank->target, buffer, bank->base + offset / 2, count, 0);
}
static int dsp5680xx_probe(struct flash_bank *bank)
/**
* The flash module (FM) on the dsp5680xx supports both individual sector
* and mass erase of the flash memory.
- * If this function is called with @first == @last == 0 or if @first is the
- * first sector (#0) and @last is the last sector then the mass erase command
+ * If this function is called with @a first == @a last == 0 or if @a first is the
+ * first sector (#0) and @a last is the last sector then the mass erase command
* is executed (much faster than erasing each sector individually).
*
* @param bank
*
* @return
*/
-static int dsp5680xx_flash_erase(struct flash_bank *bank, int first, int last)
+static int dsp5680xx_flash_erase(struct flash_bank *bank, unsigned int first,
+ unsigned int last)
{
- int retval;
-
- retval = dsp5680xx_f_erase(bank->target, (uint32_t) first, (uint32_t) last);
- if ((!(first | last)) || ((first == 0) && (last == (HFM_SECTOR_COUNT - 1))))
- last = HFM_SECTOR_COUNT - 1;
- if (retval == ERROR_OK)
- for (int i = first; i <= last; i++)
- bank->sectors[i].is_erased = 1;
- else
- /**
- * If an error occurred unknown status
- *is set even though some sector could have been correctly erased.
- */
- for (int i = first; i <= last; i++)
- bank->sectors[i].is_erased = -1;
- return retval;
+ return dsp5680xx_f_erase(bank->target, (uint32_t) first, (uint32_t) last);
}
/**
uint32_t i;
for (i = 0; i < HFM_SECTOR_COUNT; i++) {
- if (bank->sectors[i].is_erased == -1) {
- retval = dsp5680xx_f_erase_check(bank->target, &erased, i);
- if (retval != ERROR_OK) {
- bank->sectors[i].is_erased = -1;
- } else {
- if (erased)
- bank->sectors[i].is_erased = 1;
- else
- bank->sectors[i].is_erased = 0;
- }
+ retval = dsp5680xx_f_erase_check(bank->target, &erased, i);
+ if (retval != ERROR_OK) {
+ bank->sectors[i].is_erased = -1;
+ } else {
+ if (erased)
+ bank->sectors[i].is_erased = 1;
+ else
+ bank->sectors[i].is_erased = 0;
}
}
return retval;
}
-struct flash_driver dsp5680xx_flash = {
+const struct flash_driver dsp5680xx_flash = {
.name = "dsp5680xx_flash",
.flash_bank_command = dsp5680xx_flash_bank_command,
.erase = dsp5680xx_flash_erase,
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