target/stm32f1: fix split-bank erase

Add a missing `bank_offset` when checking for bank unlock completion.
blackmagic-debug · Jan 9, 2024 · 233066b · 233066b
1 parent a97e3a2
commit 233066b
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/target/stm32f1.c b/src/target/stm32f1.c
@@ -573,7 +573,7 @@ static bool stm32f1_flash_unlock(target_s *target, uint32_t bank_offset)
 {
 	target_mem_write32(target, FLASH_KEYR + bank_offset, KEY1);
 	target_mem_write32(target, FLASH_KEYR + bank_offset, KEY2);
-	uint32_t ctrl = target_mem_read32(target, FLASH_CR);
+	uint32_t ctrl = target_mem_read32(target, FLASH_CR + bank_offset);
 	if (ctrl & FLASH_CR_LOCK)
 		DEBUG_ERROR("unlock failed, cr: 0x%08" PRIx32 "\n", ctrl);
 	return !(ctrl & FLASH_CR_LOCK);