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>
diff --git a/flashchips.c b/flashchips.c
index 527fb82..deff618 100644
--- a/flashchips.c
+++ b/flashchips.c
@@ -2550,11 +2550,37 @@
.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},
},