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flash/nor/stm32: Report errors in wait_status_busy 

Flash operation errors that occur during algorithm programming are
reported via the algorithm return value. However, Flash operation
errors that occur during non-algorithm work (erasing, programming
without a work area, programming the last non-multiple-of-32-bytes on
an H7, etc.) generally end with a call to stm32x_wait_status_busy,
which reads the status register and clears the error flags but fails
to actually report that something went wrong should an error flag
(other than WRPERR) be set. Return an error status from
stm32x_wait_status_busy in those cases. Correct a log message
accordingly.

Change-Id: I09369ea5f924fe58833aec1f45e52320ab4aaf43
Signed-off-by: Christopher Head <chead@zaber.com>
Reviewed-on: http://openocd.zylin.com/4519
Tested-by: jenkins
Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>
Reviewed-by: Tomas Vanek <vanekt@fbl.cz>
bscan_tunnel
Christopher Head 2018-05-14 11:56:56 -07:00 committed by Tomas Vanek
parent 541dcc2487
commit 47d0930410
3 changed files with 7 additions and 1 deletions
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2
src/flash/nor/stm32f2x.c
View File

@ -252,6 +252,8 @@ static int stm32x_wait_status_busy(struct flash_bank *bank, int timeout)
/* Clear but report errors */
if (status & FLASH_ERROR) {
if (retval == ERROR_OK)
retval = ERROR_FAIL;
/* If this operation fails, we ignore it and report the original
* retval
*/

4
src/flash/nor/stm32h7x.c
View File

@ -220,6 +220,8 @@ static int stm32x_wait_status_busy(struct flash_bank *bank, int timeout)
/* Clear error + EOP flags but report errors */
if (status & FLASH_ERROR) {
if (retval == ERROR_OK)
retval = ERROR_FAIL;
/* If this operation fails, we ignore it and report the original retval */
target_write_u32(target, stm32x_get_flash_reg(bank, FLASH_CCR), status);
}
@ -495,7 +497,7 @@ static int stm32x_erase(struct flash_bank *bank, int first, int last)
retval = stm32x_wait_status_busy(bank, FLASH_ERASE_TIMEOUT);
if (retval != ERROR_OK) {
LOG_ERROR("erase time-out error sector %d", i);
LOG_ERROR("erase time-out or operation error sector %d", i);
return retval;
}
bank->sectors[i].is_erased = 1;

2
src/flash/nor/stm32l4x.c
View File

@ -187,6 +187,8 @@ static int stm32l4_wait_status_busy(struct flash_bank *bank, int timeout)
/* Clear but report errors */
if (status & FLASH_ERROR) {
if (retval == ERROR_OK)
retval = ERROR_FAIL;
/* If this operation fails, we ignore it and report the original
* retval
*/