diff options
Diffstat (limited to 'src/flash/nor/dsp5680xx_flash.c')
| -rw-r--r-- | src/flash/nor/dsp5680xx_flash.c | 102 |
1 files changed, 49 insertions, 53 deletions
diff --git a/src/flash/nor/dsp5680xx_flash.c b/src/flash/nor/dsp5680xx_flash.c index 78cd6e3d..eb2f3e1b 100644 --- a/src/flash/nor/dsp5680xx_flash.c +++ b/src/flash/nor/dsp5680xx_flash.c @@ -27,12 +27,12 @@ * @file dsp5680xx_flash.c * @author Rodrigo L. Rosa <rodrigorosa.LG@gmail.com> * @date Thu Jun 9 18:21:58 2011 - * + * * @brief This file implements the basic functions to run flashing commands * from the TCL interface. * It allows the user to flash the Freescale 5680xx DSP. - * - * + * + * */ #ifdef HAVE_CONFIG_H @@ -84,14 +84,14 @@ FLASH_BANK_COMMAND_HANDLER(dsp5680xx_flash_bank_command) return ERROR_OK; } -/** +/** * A memory mapped register (PROT) holds information regarding sector protection. * Protection refers to undesired core access. * The value in this register is loaded from flash upon reset. - * - * @param bank - * - * @return + * + * @param bank + * + * @return */ static int dsp5680xx_flash_protect_check(struct flash_bank *bank) { @@ -118,17 +118,18 @@ static int dsp5680xx_flash_protect_check(struct flash_bank *bank) return retval; } -/** +/** * Protection funcionality 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. - * - * @param bank + * The chip is effectively secured/unsecured after the first reset + * following the execution of this function. + * + * @param bank * @param set Apply or remove security on the chip. * @param first This parameter is ignored. * @param last This parameter is ignored. - * - * @return + * + * @return */ static int dsp5680xx_flash_protect(struct flash_bank *bank, int set, int first, int last) @@ -153,15 +154,16 @@ static int dsp5680xx_flash_protect(struct flash_bank *bank, int set, int first, return retval; } -/** - * The dsp5680xx use word addressing. The "/2" that appear in the following code are a workaround for the fact that OpenOCD uses byte addressing. - * - * @param bank +/** + * The dsp5680xx use word addressing. The "/2" that appear in the following code + * are a workaround for the fact that OpenOCD uses byte addressing. + * + * @param bank * @param buffer Data to write to flash. - * @param offset + * @param offset * @param count In bytes (2 bytes per address). - * - * @return + * + * @return */ static int dsp5680xx_flash_write(struct flash_bank *bank, uint8_t * buffer, uint32_t offset, uint32_t count) @@ -178,24 +180,18 @@ static int dsp5680xx_flash_write(struct flash_bank *bank, uint8_t * buffer, * This chip uses word addressing, Openocd only supports byte addressing. * The workaround results in disabling writing to odd byte addresses */ - LOG_ERROR - ("%s: Writing to odd addresses not supported for this target", - __func__); + 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); + 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)) { + addr_word += (HFM_SECTOR_SIZE / 2)) { if (retval == ERROR_OK) - bank->sectors[addr_word / - (HFM_SECTOR_SIZE / 2)].is_erased = 0; + bank->sectors[addr_word / (HFM_SECTOR_SIZE / 2)].is_erased = 0; else - bank->sectors[addr_word / - (HFM_SECTOR_SIZE / 2)].is_erased = -1; + bank->sectors[addr_word / (HFM_SECTOR_SIZE / 2)].is_erased = -1; } return retval; } @@ -207,31 +203,32 @@ static int dsp5680xx_probe(struct flash_bank *bank) } static int dsp5680xx_flash_info(struct flash_bank *bank, char *buf, - int buf_size) + int buf_size) { snprintf(buf, buf_size, "\ndsp5680xx flash driver info:\n - See comments in code."); return ERROR_OK; } -/** - * 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 is executed (much faster than erasing each sector individually). - * - * @param bank - * @param first - * @param last - * - * @return +/** + * 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 + * is executed (much faster than erasing each sector individually). + * + * @param bank + * @param first + * @param last + * + * @return */ static int dsp5680xx_flash_erase(struct flash_bank *bank, int first, 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)))) + 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++) @@ -246,13 +243,13 @@ static int dsp5680xx_flash_erase(struct flash_bank *bank, int first, int last) return retval; } -/** +/** * The flash module (FM) on the dsp5680xx support a blank check function. * This function executes the FM's blank check functionality on each and every sector. - * - * @param bank - * - * @return + * + * @param bank + * + * @return */ static int dsp5680xx_flash_erase_check(struct flash_bank *bank) { @@ -264,8 +261,7 @@ static int dsp5680xx_flash_erase_check(struct flash_bank *bank) for (i = 0; i < HFM_SECTOR_COUNT; i++) { if (bank->sectors[i].is_erased == -1) { - retval = - dsp5680xx_f_erase_check(bank->target, &erased, i); + retval = dsp5680xx_f_erase_check(bank->target, &erased, i); if (retval != ERROR_OK) { bank->sectors[i].is_erased = -1; } else { |