Add support for ST M25P05/M25P10 chips that only respond to RES and not RDID
Unfortunately, either the datasheets are wrong or both chips have
exactly the same ID.
Corresponding to flashrom svn r662.
Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Stefan Reinauer <stepan@coresystems.de>
diff --git a/flashchips.c b/flashchips.c
index d3c1831..fa5fdff 100644
--- a/flashchips.c
+++ b/flashchips.c
@@ -2249,6 +2249,27 @@
.read = spi_chip_read,
},
+ /* The ST M25P05 is a bit of a problem. It has the same ID as the
+ * ST M25P05-A in RES mode, but supports only 128 byte writes instead
+ * of 256 byte writes. We rely heavily on the fact that probe_spi_res
+ * only is successful if RDID does not work.
+ */
+ {
+ .vendor = "ST",
+ .name = "M25P05.RES",
+ .bustype = CHIP_BUSTYPE_SPI,
+ .manufacture_id = ST_ID,
+ .model_id = ST_M25P05_RES,
+ .total_size = 64,
+ .page_size = 256,
+ .tested = TEST_UNTESTED,
+ .probe = probe_spi_res,
+ .probe_timing = TIMING_ZERO,
+ .erase = spi_chip_erase_c7,
+ .write = spi_chip_write_1, /* 128 */
+ .read = spi_chip_read,
+ },
+
{
.vendor = "ST",
.name = "M25P10-A",
@@ -2265,6 +2286,23 @@
.read = spi_chip_read,
},
+ /* The ST M25P10 has the same problem as the M25P05. */
+ {
+ .vendor = "ST",
+ .name = "M25P10.RES",
+ .bustype = CHIP_BUSTYPE_SPI,
+ .manufacture_id = ST_ID,
+ .model_id = ST_M25P10_RES,
+ .total_size = 128,
+ .page_size = 256,
+ .tested = TEST_UNTESTED,
+ .probe = probe_spi_res,
+ .probe_timing = TIMING_ZERO,
+ .erase = spi_chip_erase_c7,
+ .write = spi_chip_write_1, /* 128 */
+ .read = spi_chip_read,
+ },
+
{
.vendor = "ST",
.name = "M25P20",