OneNAND Cache Read Operation

Kyungmin Park kmpark at infradead.org
Wed Aug 20 18:52:34 EDT 2008


Hi,

> I finally got around to trying OneNAND Cache Read Operation.
>
> I got the same results as you.  Just a 1 - 2 % increase in speed
> on OMAP3.  It seems that the OMAP memory controller (GPMC) is not
> capable of transferring the data from bufferRAM fast enough to
> achieve the maximum OneNAND read speed.
>

Yes, it's right.
For more. OneNAND has Block synchronous read. It reads whole block at
a time. but there's no performance gain compare to read-while-load at
least in OMAP.

Thank you,
Kyungmin Park



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