diff --git a/lib/CPUs/MIPS/bsp/examples/cfiflash.c b/lib/CPUs/MIPS/bsp/examples/cfiflash.c
index c2beb7a..7ab15be 100644
--- a/lib/CPUs/MIPS/bsp/examples/cfiflash.c
+++ b/lib/CPUs/MIPS/bsp/examples/cfiflash.c
@@ -394,12 +394,7 @@ UINT32 flash_get_blocknum_by_offset(flash_t *pObj, UINT32 offset)
 	return blocknum;
 }
 
-UINT32 flash_aligned_addr_by_offset(flash_t *pObj, UINT32 offset)
-{
-	return flash_get_blocknum_by_offset(pObj, offset) * pObj->info.blocksize;
-}
-
-UINT32 flash_aligned_addr_by_blocknum(flash_t *pObj, UINT32 blocknum)
+UINT32 flash_get_offset_by_blocknum(flash_t *pObj, UINT32 blocknum)
 {
 	if (blocknum >= pObj->info.nblocks)
 		blocknum = pObj->info.nblocks - 1;
@@ -407,3 +402,8 @@ UINT32 flash_aligned_addr_by_blocknum(flash_t *pObj, UINT32 blocknum)
 	return blocknum*pObj->info.blocksize;
 }
 
+UINT32 flash_get_offset_blockaligned(flash_t *pObj, UINT32 offset)
+{
+	return flash_get_blocknum_by_offset(pObj, offset) * pObj->info.blocksize;
+}
+
diff --git a/lib/CPUs/MIPS/bsp/examples/cfiflash.h b/lib/CPUs/MIPS/bsp/examples/cfiflash.h
index b1638e1..1233642 100644
--- a/lib/CPUs/MIPS/bsp/examples/cfiflash.h
+++ b/lib/CPUs/MIPS/bsp/examples/cfiflash.h
@@ -47,9 +47,9 @@ UINT32 cfi_block_unlock(flash_t *pObj, UINT32 word_index);
 UINT32 cfi_program_single(flash_t *pObj, UINT32 word_index, UINT32 word);
 UINT32 cfi_program_multi(flash_t *pObj, UINT32 word_index, UINT32 *pWords, UINT32 num_words);
 
-UINT32 flash_aligned_addr_by_offset(flash_t *pObj, UINT32 offset);
-UINT32 flash_aligned_addr_by_blocknum(flash_t *pObj, UINT32 blocknum);
+UINT32 flash_get_offset_by_blocknum(flash_t *pObj, UINT32 blocknum);
 UINT32 flash_get_blocknum_by_offset(flash_t *pObj, UINT32 offset);
+UINT32 flash_get_offset_blockaligned(flash_t *pObj, UINT32 offset);
 UINT32 flash_find(flash_t *pObj, UINT32 base_addr);
 UINT32 flash_erase(flash_t *pObj, UINT32 offset, UINT32 size);
 UINT32 flash_program(flash_t *pObj, UINT32 offset, UINT8 *pData, UINT32 size);