[flashrom] [PATCH] Initial support for Marvell 88SE94xx v1

Amit Uttamchandani amit.uttam at gmail.com
Wed Apr 30 00:23:17 CEST 2014

On Wed, Apr 30, 2014 at 12:10:39AM +0200, Carl-Daniel Hailfinger wrote:


> Found the bug. TheMarvell 88SE94xx encoding of the number of bytes to
> send via SPI differs from the encoding of the number of bytes to receive
> via SPI. You actually have to subtract one from the number of bytes to
> send, but use the unmodified number of bytes to receive. This was an
> off-by-one for commands, especially affecting erase and write commands.
> New version. Should even work for write+erase.
> WARNING! The controller may not like getting its flash erased, and may
> hang. Not sure. Just speculation on my part. The datasheet is silent
> about concurrent accesses to the flash chip.

This patch works. Tested erase and then tested a write with a new
version of the firmware. All works as expected.

Thank you so much.

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