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Commit 390d668b authored by Cyrille Pitchen's avatar Cyrille Pitchen Committed by Enric Balletbo i Serra
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FROMLIST: mtd: spi-nor: add support to SST sst26* QSPI memories


This patch adds support to the SST sst26* QSPI memories.
It also adds a new SST_BLOCK_PROTECT flag so spi_nor_scan() sends
a SST Global Block Protection Unlock (98h) command once for all
otherwise later Sector Erase and Page Program commands would fail.

It was tested with sst26vf016b, sst26vf032b, sst26vf032ba and sst26vf064b
on a sama5d2 xplained board at 55.3MHz and 3.3V.

sst26wf040b and sst26wf080b were not tested since they are 1.8V memories
hence don't fit the sama5d2 xplained board requirements.

Signed-off-by: default avatarCyrille Pitchen <cyrille.pitchen@atmel.com>
Signed-off-by: default avatarEnric Balletbo i Serra <enric.balletbo@collabora.com>
(pwclient git-am 9392589)
parent 6f4369fd
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