diff -Nru LinuxBIOSv2-2978/util/flashrom/flashchips.c LinuxBIOSv2-2978-pm49fl00x/util/flashrom/flashchips.c
--- LinuxBIOSv2-2978/util/flashrom/flashchips.c	2007-10-30 05:56:50.000000000 +0500
+++ LinuxBIOSv2-2978-pm49fl00x/util/flashrom/flashchips.c	2007-11-23 11:25:04.000000000 +0500
@@ -83,9 +83,9 @@
 	{"SST49LF160C", SST_ID,		SST_49LF160C, 	2048, 4 * 1024 ,
 	 probe_49lfxxxc, erase_49lfxxxc, write_49lfxxxc},
 	{"Pm49FL002",	PMC_ID,		PMC_49FL002,	256, 16 * 1024,
-	 probe_jedec,	erase_chip_jedec, write_49fl004},
+	 probe_49fl00x,	erase_49fl00x, write_49fl00x},
 	{"Pm49FL004",	PMC_ID,		PMC_49FL004,	512, 64 * 1024,
-	 probe_jedec,	erase_chip_jedec, write_49fl004},
+	 probe_49fl00x,	erase_49fl00x, write_49fl00x},
 	{"W29C011",	WINBOND_ID,	W_29C011,	128, 128,
 	 probe_jedec,	erase_chip_jedec, write_jedec},
 	{"W29C040P",	WINBOND_ID,	W_29C040P,	512, 256,
diff -Nru LinuxBIOSv2-2978/util/flashrom/flash.h LinuxBIOSv2-2978-pm49fl00x/util/flashrom/flash.h
--- LinuxBIOSv2-2978/util/flashrom/flash.h	2007-10-30 05:56:50.000000000 +0500
+++ LinuxBIOSv2-2978-pm49fl00x/util/flashrom/flash.h	2007-11-23 11:24:42.000000000 +0500
@@ -289,10 +289,10 @@
 int erase_29f002(struct flashchip *flash);
 int write_29f002(struct flashchip *flash, uint8_t *buf);
 
-/* pm49fl004.c */
-int probe_49fl004(struct flashchip *flash);
-int erase_49fl004(struct flashchip *flash);
-int write_49fl004(struct flashchip *flash, uint8_t *buf);
+/* pm49fl00x.c */
+int probe_49fl00x(struct flashchip *flash);
+int erase_49fl00x(struct flashchip *flash);
+int write_49fl00x(struct flashchip *flash, uint8_t *buf);
 
 /* sharplhf00l04.c */
 int probe_lhf00l04(struct flashchip *flash);
diff -Nru LinuxBIOSv2-2978/util/flashrom/Makefile LinuxBIOSv2-2978-pm49fl00x/util/flashrom/Makefile
--- LinuxBIOSv2-2978/util/flashrom/Makefile	2007-10-17 05:36:34.000000000 +0600
+++ LinuxBIOSv2-2978-pm49fl00x/util/flashrom/Makefile	2007-11-23 10:56:11.000000000 +0500
@@ -22,7 +22,7 @@
 
 OBJS = chipset_enable.o board_enable.o udelay.o jedec.o sst28sf040.o \
 	am29f040b.o mx29f002.o sst39sf020.o m29f400bt.o w49f002u.o \
-	82802ab.o msys_doc.o pm49fl004.o sst49lf040.o sst49lfxxxc.o \
+	82802ab.o msys_doc.o pm49fl00x.o sst49lf040.o sst49lfxxxc.o \
 	sst_fwhub.o layout.o lbtable.o flashchips.o flashrom.o \
 	sharplhf00l04.o w29ee011.o spi.o
 
diff -Nru LinuxBIOSv2-2978/util/flashrom/pm49fl004.c LinuxBIOSv2-2978-pm49fl00x/util/flashrom/pm49fl004.c
--- LinuxBIOSv2-2978/util/flashrom/pm49fl004.c	2007-10-18 05:55:15.000000000 +0600
+++ LinuxBIOSv2-2978-pm49fl00x/util/flashrom/pm49fl004.c	1970-01-01 05:00:00.000000000 +0500
@@ -1,51 +0,0 @@
-/*
- * This file is part of the flashrom project.
- *
- * Copyright (C) 2004 Tyan Corporation
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
- */
-
-#include <stdio.h>
-#include "flash.h"
-
-extern int exclude_start_page, exclude_end_page;
-
-int write_49fl004(struct flashchip *flash, uint8_t *buf)
-{
-	int i;
-	int total_size = flash->total_size * 1024;
-	int page_size = flash->page_size;
-	volatile uint8_t *bios = flash->virtual_memory;
-
-	printf("Programming page: ");
-	for (i = 0; i < total_size / page_size; i++) {
-		if ((i >= exclude_start_page) && (i < exclude_end_page))
-			continue;
-
-		/* erase the page before programming */
-		erase_block_jedec(bios, i * page_size);
-
-		/* write to the sector */
-		printf("%04d at address: 0x%08x", i, i * page_size);
-		write_sector_jedec(bios, buf + i * page_size,
-				   bios + i * page_size, page_size);
-		printf("\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b");
-		fflush(stdout);
-	}
-	printf("\n");
-
-	return 0;
-}
diff -Nru LinuxBIOSv2-2978/util/flashrom/pm49fl00x.c LinuxBIOSv2-2978-pm49fl00x/util/flashrom/pm49fl00x.c
--- LinuxBIOSv2-2978/util/flashrom/pm49fl00x.c	1970-01-01 05:00:00.000000000 +0500
+++ LinuxBIOSv2-2978-pm49fl00x/util/flashrom/pm49fl00x.c	2007-11-23 11:43:47.000000000 +0500
@@ -0,0 +1,95 @@
+/*
+ * This file is part of the flashrom project.
+ *
+ * Copyright (C) 2004 Tyan Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#include <stdio.h>
+#include "flash.h"
+
+extern int exclude_start_page, exclude_end_page;
+
+static __inline__ int write_lockbits_49fl00x(volatile uint8_t *bios, int size,
+					      unsigned char bits, int block_size)
+{
+	int i, left = size;
+
+	//printf("bios=0x%08lx\n", (unsigned long)bios);
+	for (i = 0; left >= block_size; i++, left -= block_size) {
+
+		/* pm49fl002 */
+		if (block_size == 16384 && i%2)
+			continue;
+
+		//printf("lockbits at address=0x%08lx is 0x%01x\n", (unsigned long)0xFFC00000 - size + (i * block_size) + 2, *(bios + (i * block_size) + 2) );
+		*(bios + (i * block_size) + 2) = bits;
+		//printf("lockbits at address=0x%08lx is 0x%01x\n", (unsigned long)0xFFC00000 - size + (i * block_size) + 2, *(bios + (i * block_size) + 2) );
+	}
+
+	return 0;
+}
+
+int probe_49fl00x(struct flashchip *flash)
+{
+	int ret = probe_jedec(flash);
+	
+	if (ret == 1)
+		map_flash_registers(flash);
+
+	return ret;
+}
+
+int erase_49fl00x(struct flashchip *flash)
+{
+	int total_size = flash->total_size * 1024;
+	int page_size = flash->page_size;
+	write_lockbits_49fl00x(flash->virtual_registers, total_size, 0, page_size);
+	return erase_chip_jedec(flash);
+}
+
+int write_49fl00x(struct flashchip *flash, uint8_t *buf)
+{
+	int i;
+	int total_size = flash->total_size * 1024;
+	int page_size = flash->page_size;
+	volatile uint8_t *bios = flash->virtual_memory;
+
+	/* unprotected */
+	write_lockbits_49fl00x(flash->virtual_registers, total_size, 0, page_size);
+
+	printf("Programming page: ");
+	for (i = 0; i < total_size / page_size; i++) {
+		if ((i >= exclude_start_page) && (i < exclude_end_page))
+			continue;
+
+		/* erase the page before programming */
+		erase_block_jedec(bios, i * page_size);
+
+		/* write to the sector */
+		printf("%04d at address: 0x%08x", i, i * page_size);
+		write_sector_jedec(bios, buf + i * page_size,
+				   bios + i * page_size, page_size);
+		printf("\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b");
+		fflush(stdout);
+	}
+	printf("\n");
+	
+	/* protected */
+	write_lockbits_49fl00x(flash->virtual_registers, total_size, 1, page_size);
+
+	return 0;
+}
