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-rw-r--r--src/flash/stm32x.c22
1 files changed, 21 insertions, 1 deletions
diff --git a/src/flash/stm32x.c b/src/flash/stm32x.c
index 5eeb03bb..68e9c259 100644
--- a/src/flash/stm32x.c
+++ b/src/flash/stm32x.c
@@ -565,8 +565,16 @@ int stm32x_write_block(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 co
break;
}
- if (buf_get_u32(reg_params[3].value, 0, 32) & 0x14)
+ if (buf_get_u32(reg_params[3].value, 0, 32) & FLASH_PGERR)
{
+ LOG_ERROR("flash memory not erased before writing");
+ retval = ERROR_FLASH_OPERATION_FAILED;
+ break;
+ }
+
+ if (buf_get_u32(reg_params[3].value, 0, 32) & FLASH_WRPRTERR)
+ {
+ LOG_ERROR("flash memory write protected");
retval = ERROR_FLASH_OPERATION_FAILED;
break;
}
@@ -647,9 +655,15 @@ int stm32x_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count)
status = stm32x_wait_status_busy(bank, 5);
if( status & FLASH_WRPRTERR )
+ {
+ LOG_ERROR("flash memory not erased before writing");
return ERROR_FLASH_OPERATION_FAILED;
+ }
if( status & FLASH_PGERR )
+ {
+ LOG_ERROR("flash memory write protected");
return ERROR_FLASH_OPERATION_FAILED;
+ }
bytes_written += 2;
words_remaining--;
@@ -674,9 +688,15 @@ int stm32x_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count)
status = stm32x_wait_status_busy(bank, 5);
if( status & FLASH_WRPRTERR )
+ {
+ LOG_ERROR("flash memory not erased before writing");
return ERROR_FLASH_OPERATION_FAILED;
+ }
if( status & FLASH_PGERR )
+ {
+ LOG_ERROR("flash memory write protected");
return ERROR_FLASH_OPERATION_FAILED;
+ }
}
target_write_u32(target, STM32_FLASH_CR, FLASH_LOCK);