The AT26DF081A requires the Write Enable Latch (WLE) to be set for write/erase operations. Also bit 5 is the Erase/Program Error (EPE) bit, so has nothing to do with the block protection. Ignore it when testing for block protections.
Signed-off-and-tested-by: Mathias Krause <[email protected]>
Index: flashchips.c =================================================================== --- flashchips.c (Revision 1250) +++ flashchips.c (Arbeitskopie) @@ -1477,7 +1477,8 @@ .model_id = ATMEL_AT26DF081A, .total_size = 1024, .page_size = 256, - .tested = TEST_OK_PR, + .feature_bits = FEATURE_WRSR_WREN, + .tested = TEST_OK_PREW, .probe = probe_spi_rdid, .probe_timing = TIMING_ZERO, .block_erasers = @@ -1499,7 +1500,7 @@ .block_erase = spi_block_erase_c7, } }, - .unlock = spi_disable_blockprotect, + .unlock = spi_disable_blockprotect_at25df, .write = spi_chip_write_256, .read = spi_chip_read, },
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