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| author | Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at> | 2013-08-27 18:02:12 +0000 |
|---|---|---|
| committer | Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at> | 2013-08-27 18:02:12 +0000 |
| commit | fdc4f7ebb9c8986e8244bcbc2c52c320c2112d45 (patch) | |
| tree | 8e559a495d0ba970d816133e36ad33ecc7372d24 /flashchips.c | |
| parent | db4e87dccf040f29dca18571bc455ee23fb430eb (diff) | |
| download | ast2050-flashrom-fdc4f7ebb9c8986e8244bcbc2c52c320c2112d45.zip ast2050-flashrom-fdc4f7ebb9c8986e8244bcbc2c52c320c2112d45.tar.gz | |
Add support for AT45DB321C
It seems like this model is one-of-a-kind... it shares some properties
with the older versions of the AT45DB series as well as with new ones.
Corresponding to flashrom svn r1724.
Signed-off-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
Acked-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
Diffstat (limited to 'flashchips.c')
| -rw-r--r-- | flashchips.c | 32 |
1 files changed, 29 insertions, 3 deletions
diff --git a/flashchips.c b/flashchips.c index 527fb82..deff618 100644 --- a/flashchips.c +++ b/flashchips.c @@ -2550,11 +2550,37 @@ const struct flashchip flashchips[] = { .total_size = 4224 /* No power of two sizes */, .page_size = 528 /* No power of two sizes */, /* does not support EWSR nor WREN and has no writable status register bits whatsoever */ - .tested = TEST_BAD_REW, + /* OTP: 128B total, 64B pre-programmed; read 0x77 (4 dummy bytes); write 0x9A (via buffer) */ + .feature_bits = FEATURE_OTP, + .tested = TEST_UNTESTED, .probe = probe_spi_rdid, .probe_timing = TIMING_ZERO, - .write = NULL, - .read = NULL /* Incompatible read */, + .block_erasers = + { + { + .eraseblocks = { {528, 8192} }, + .block_erase = spi_erase_at45db_page, + }, { + .eraseblocks = { {8 * 528, 8192/8} }, + .block_erase = spi_erase_at45db_block, + }, /* Although the datasheets describes sectors (which can be write protected) + * there seems to be no erase functions for them. + { + .eraseblocks = { + {8 * 528, 1}, + {120 * 528, 1}, + {128 * 528, 63}, + }, + .block_erase = spi_erase_at45db_sector + }, */ { + .eraseblocks = { {4224 * 1024, 1} }, + .block_erase = spi_erase_at45db_chip, + } + }, + .printlock = spi_prettyprint_status_register_at45db, /* Bit 0 is undefined, no lockdown */ + .gran = write_gran_528bytes, + .write = spi_write_at45db, + .read = spi_read_at45db_e8, /* 3 address and 4 dummy bytes */ .voltage = {2700, 3600}, }, |
