diff --git a/jedec.h b/jedec.h
index 756605e..2a9f977 100644
--- a/jedec.h
+++ b/jedec.h
@@ -1,10 +1,13 @@
 #ifndef __JEDEC_H__
 #define __JEDEC_H__ 1
+int write_byte_program_jedec(volatile unsigned char *bios, unsigned char *src,
+			     volatile unsigned char *dst);
 
 extern int probe_jedec(struct flashchip *flash);
 extern int erase_chip_jedec(struct flashchip *flash);
 extern int write_jedec(struct flashchip *flash, unsigned char *buf);
 extern int erase_sector_jedec(volatile unsigned char *bios, unsigned int page);
+extern int erase_block_jedec(volatile unsigned char *bios, unsigned int page);
 extern int write_sector_jedec(volatile unsigned char *bios, unsigned char *src,
 			      volatile unsigned char *dst,
 			      unsigned int page_size);