Slow read performance of NAND flash on PPC 405EP

Artem B. Bityutskiy dedekind at
Thu Sep 22 03:00:02 EST 2005

Andy Hawkins wrote:
> Hi,
> We have a custom PPC-405EP based board, with a Samsumg 8Gbit flash
> (K9W8G08U1M) attached via EBC bank 2. When we read from this flash, we are
> only getting data rates of around 20 MBits/sec (this is using 'dd' to read
> direct from the linux /dev/mtd/x device). Our estimates show that the device
> should be capable of something like 100 MBits/sec.
Ops, pardon, you are not going to use JFFS2 :-) Ignore that mail then :-)

Best Regards,
Artem B. Bityuckiy,
St.-Petersburg, Russia.

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