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authorKyösti Mälkki <kyosti.malkki@gmail.com>2012-10-28 01:50:08 +0000
committerStefan Tauner <stefan.tauner@alumni.tuwien.ac.at>2012-10-28 01:50:08 +0000
commitc31243e1739a4ba21d45e3569341aa671939cb8d (patch)
treeeb08f0981a4a4309725c4cb480c7a53e07d7504a /w39.c
parent78ffbeaa029fb827dcdf9c02262adbda4673e5eb (diff)
downloadast2050-flashrom-c31243e1739a4ba21d45e3569341aa671939cb8d.zip
ast2050-flashrom-c31243e1739a4ba21d45e3569341aa671939cb8d.tar.gz
Add support for Winbond W39F010/W39L010/W39L020
W39F010 is a 128kB parallel 5V flash chip, 16k bootblocks. W39L010 is a 128kB parallel 3.3V flash chip, 8k bootblocks. W39L020 is a 256kB parallel 3.3V flash chip, 64k/16k bootblocks. The W39F010 code was tested with a satasii programmer. The first write attempt after an erase returned with verify failure, but the second write attempt was succesful: http://paste.flashrom.org/view.php?id=1418 Corresponding to flashrom svn r1620. Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Acked-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
Diffstat (limited to 'w39.c')
-rw-r--r--w39.c57
1 files changed, 57 insertions, 0 deletions
diff --git a/w39.c b/w39.c
index da61d23..9dcb06a 100644
--- a/w39.c
+++ b/w39.c
@@ -115,6 +115,15 @@ static int printlock_w39_tblwp(uint8_t lock)
return 0;
}
+static int printlock_w39_single_bootblock(uint8_t lock, uint16_t kB)
+{
+ msg_cdbg("Software %d kB bootblock locking is %sactive.\n", kB, (lock & 0x03) ? "" : "not ");
+ if (lock & 0x03)
+ return -1;
+
+ return 0;
+}
+
static int printlock_w39_bootblock_64k16k(uint8_t lock)
{
msg_cdbg("Software 64 kB bootblock locking is %sactive.\n",
@@ -160,6 +169,54 @@ static int unlock_w39_fwh(struct flashctx *flash)
return 0;
}
+int printlock_w39f010(struct flashctx *flash)
+{
+ uint8_t lock;
+ int ret;
+
+ lock = w39_idmode_readb(flash, 0x00002);
+ msg_cdbg("Bottom boot block:\n");
+ ret = printlock_w39_single_bootblock(lock, 16);
+
+ lock = w39_idmode_readb(flash, 0x1fff2);
+ msg_cdbg("Top boot block:\n");
+ ret |= printlock_w39_single_bootblock(lock, 16);
+
+ return ret;
+}
+
+int printlock_w39l010(struct flashctx *flash)
+{
+ uint8_t lock;
+ int ret;
+
+ lock = w39_idmode_readb(flash, 0x00002);
+ msg_cdbg("Bottom boot block:\n");
+ ret = printlock_w39_single_bootblock(lock, 8);
+
+ lock = w39_idmode_readb(flash, 0x1fff2);
+ msg_cdbg("Top boot block:\n");
+ ret |= printlock_w39_single_bootblock(lock, 8);
+
+ return ret;
+}
+
+int printlock_w39l020(struct flashctx *flash)
+{
+ uint8_t lock;
+ int ret;
+
+ lock = w39_idmode_readb(flash, 0x00002);
+ msg_cdbg("Bottom boot block:\n");
+ ret = printlock_w39_bootblock_64k16k(lock);
+
+ lock = w39_idmode_readb(flash, 0x3fff2);
+ msg_cdbg("Top boot block:\n");
+ ret |= printlock_w39_bootblock_64k16k(lock);
+
+ return ret;
+}
+
int printlock_w39l040(struct flashctx *flash)
{
uint8_t lock;
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