Zaurus 5500 contains 2 LH28F640BFHE-PTTL90 (64M 4Mx16) and
the LH28F640BFHE-PTTL90.pdf datasheet available on the net shows
the exact erasesize and the OTP support.
At the moment only jedec_probe can discover the chip and
the NOR is mounted read only probably because of wrong vpp.
Signed-off-by: Andrea Adami <andrea.ad...@gmail.com>
---
drivers/mtd/chips/jedec_probe.c | 13 +++++++------
1 file changed, 7 insertions(+), 6 deletions(-)
diff --git a/drivers/mtd/chips/jedec_probe.c b/drivers/mtd/chips/jedec_probe.c
index c443f52..7c0b27d 100644
--- a/drivers/mtd/chips/jedec_probe.c
+++ b/drivers/mtd/chips/jedec_probe.c
@@ -120,7 +120,7 @@
#define PM49FL008 0x006A
/* Sharp */
-#define LH28F640BF 0x00b0
+#define LH28F640BF 0x00B0
/* ST - www.st.com */
#define M29F800AB 0x0058
@@ -1299,13 +1299,14 @@ static const struct amd_flash_info jedec_table[] = {
.mfr_id = CFI_MFR_SHARP,
.dev_id = LH28F640BF,
.name = "LH28F640BF",
- .devtypes = CFI_DEVICETYPE_X8,
+ .devtypes = CFI_DEVICETYPE_X16,
.uaddr = MTD_UADDR_UNNECESSARY,
- .dev_size = SIZE_4MiB,
- .cmd_set = P_ID_INTEL_STD,
- .nr_regions = 1,
+ .dev_size = SIZE_8MiB,
+ .cmd_set = P_ID_INTEL_EXT,
+ .nr_regions = 2,
.regions = {
- ERASEINFO(0x40000,16),
+ ERASEINFO(0x10000, 127),
+ ERASEINFO(0x02000, 8),
}
}, {
.mfr_id = CFI_MFR_SST,
--
1.8.1.5
--
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