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| author | Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net> | 2009-07-23 01:40:20 +0000 |
|---|---|---|
| committer | Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net> | 2009-07-23 01:40:20 +0000 |
| commit | 32961be12d6213bdbccc28afe887359a1e0b5d51 (patch) | |
| tree | bcd535a1f032ade49c32e46ce82effe6d60326db /flashchips.c | |
| parent | f8555e24a456551de9ce3d89fc648db9034ef517 (diff) | |
| download | ast2050-flashrom-32961be12d6213bdbccc28afe887359a1e0b5d51.zip ast2050-flashrom-32961be12d6213bdbccc28afe887359a1e0b5d51.tar.gz | |
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>
Diffstat (limited to 'flashchips.c')
| -rw-r--r-- | flashchips.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/flashchips.c b/flashchips.c index d3c1831..fa5fdff 100644 --- a/flashchips.c +++ b/flashchips.c @@ -2249,6 +2249,27 @@ struct flashchip flashchips[] = { .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 @@ struct flashchip flashchips[] = { .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", |
