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Clear FLASH_SR error flags after flash errors to avoid reset befor further flash operations. 

git-svn-id: svn://svn.berlios.de/openocd/trunk@1571 b42882b7-edfa-0310-969c-e2dbd0fdcd60
This commit is contained in:
mlu 2009-04-29 21:08:39 +00:00
parent 851f9b2d6c
commit 7d61acebd8
1 changed files with 10 additions and 1 deletions
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11
src/flash/stm32x.c
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@ -120,6 +120,7 @@ static u32 stm32x_get_flash_status(flash_bank_t *bank)
static u32 stm32x_wait_status_busy(flash_bank_t *bank, int timeout) static u32 stm32x_wait_status_busy(flash_bank_t *bank, int timeout)
{ {
target_t *target = bank->target;
u32 status; u32 status;
/* wait for busy to clear */ /* wait for busy to clear */
@ -128,7 +129,11 @@ static u32 stm32x_wait_status_busy(flash_bank_t *bank, int timeout)
LOG_DEBUG("status: 0x%x", status); LOG_DEBUG("status: 0x%x", status);
alive_sleep(1); alive_sleep(1);
} }
/* Clear but report errors */
if (status & (FLASH_WRPRTERR|FLASH_PGERR))
{
target_write_u32(target, STM32_FLASH_SR, FLASH_WRPRTERR|FLASH_PGERR);
}
return status; return status;
} }
@ -568,6 +573,8 @@ static int stm32x_write_block(struct flash_bank_s *bank, u8 *buffer, u32 offset,
if (buf_get_u32(reg_params[3].value, 0, 32) & FLASH_PGERR) if (buf_get_u32(reg_params[3].value, 0, 32) & FLASH_PGERR)
{ {
LOG_ERROR("flash memory not erased before writing"); LOG_ERROR("flash memory not erased before writing");
/* Clear but report errors */
target_write_u32(target, STM32_FLASH_SR, FLASH_PGERR);
retval = ERROR_FLASH_OPERATION_FAILED; retval = ERROR_FLASH_OPERATION_FAILED;
break; break;
} }
@ -575,6 +582,8 @@ static int stm32x_write_block(struct flash_bank_s *bank, u8 *buffer, u32 offset,
if (buf_get_u32(reg_params[3].value, 0, 32) & FLASH_WRPRTERR) if (buf_get_u32(reg_params[3].value, 0, 32) & FLASH_WRPRTERR)
{ {
LOG_ERROR("flash memory write protected"); LOG_ERROR("flash memory write protected");
/* Clear but report errors */
target_write_u32(target, STM32_FLASH_SR, FLASH_WRPRTERR);
retval = ERROR_FLASH_OPERATION_FAILED; retval = ERROR_FLASH_OPERATION_FAILED;
break; break;
} }