enable unlocking (erasing/writing) W39V040FB chips

Add code for the unlocking (erasing/writing) of Winbond W39V040FB
chips, enabling erasing/writing this type of chip.

Signed-off-by: Idwer Vollering <vidwer@gmail.com>
Acked-by: Michael Karcher <flashrom@mkarcher.dialup.fu-berlin.de>

git-svn-id: https://code.coreboot.org/svn/flashrom/trunk@1248 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

1 files changed, 10 insertions, 0 deletions

diff --git a/w39.c b/w39.c
index 65cf32f..06fabfd 100644
--- a/w39.c
+++ b/w39.c
@@ -244,6 +244,16 @@ int printlock_w39v080fa_dual(struct flashchip *flash)
 	return -1;
 }
 
+int unlock_w39v040fb(struct flashchip *flash)
+{
+	if (unlock_w39_fwh(flash))
+		return -1;
+	if (printlock_w39_common(flash, 0x7fff2))
+		return -1;
+
+	return 0;
+}
+
 int unlock_w39v080fa(struct flashchip *flash)
 {
 	if (unlock_w39_fwh(flash))