I successfully tested the following patch with read, erase and write. I set .page_size to 0.
Signed-off-by: Daniele Forsi dforsi@gmail.com
Index: flashchips.c =================================================================== --- flashchips.c (revision 1822) +++ flashchips.c (working copy) @@ -6996,6 +6996,38 @@
{ .vendor = "Macronix", + .name = "MX29F022(N)T", + .bustype = BUS_PARALLEL, + .manufacture_id = MACRONIX_ID, + .model_id = MACRONIX_MX29F022T, + .total_size = 256, + .page_size = 0, /* unused */ + .feature_bits = FEATURE_ADDR_2AA | FEATURE_SHORT_RESET, + .tested = TEST_OK_PREW, + .probe = probe_jedec, + .probe_timing = TIMING_ZERO, + .block_erasers = + { + { + .eraseblocks = { + {64 * 1024, 3}, + {32 * 1024, 1}, + {8 * 1024, 2}, + {16 * 1024, 1}, + }, + .block_erase = erase_sector_jedec, + }, { + .eraseblocks = { {256 * 1024, 1} }, + .block_erase = erase_chip_block_jedec, + } + }, + .write = write_jedec_1, + .read = read_memmapped, + .voltage = {4500, 5500}, + }, + + { + .vendor = "Macronix", .name = "MX29F040", .bustype = BUS_PARALLEL, .manufacture_id = MACRONIX_ID,