Index: jedec.c
===================================================================
--- jedec.c	(revision 875)
+++ jedec.c	(working copy)
@@ -28,6 +28,9 @@
 #define MASK_FULL 0xffff
 #define MASK_2AA 0x7ff
 
+int unlock_winbond_fwhub(struct flashchip *flash);
+static int unlocked = 0;
+
 /* Check one byte for odd parity */
 uint8_t oddparity(uint8_t val)
 {
@@ -203,6 +206,11 @@
 {
 	chipaddr bios = flash->virtual_memory;
 
+	if (!unlocked) {
+		unlock_winbond_fwhub(flash);
+		unlocked=1;
+	}
+
 	/*  Issue the Sector Erase command   */
 	chip_writeb(0xAA, bios + (0x5555 & mask));
 	programmer_delay(10);