[U-Boot-Users] [PATCH] MPC83xx platform memory access performance improved
wd at denx.de
Tue May 30 18:03:25 CEST 2006
In message <DA6718F1-0DE0-4FF2-8080-B3C732CC89F4 at kernel.crashing.org> you wrote:
> > 2. Memory write
> > When ECC enable, CPU write with 64bit. It makes DDR bus more
> > effective.
> we need to be careful with this since not all 83xx have the ability
> to do 64bit writes (832x doesn't have FP)
Also, what will happen on a 32 bit wide bus? [This was the szenario
in our case - a 32 bit wide memory interface.]
Software Engineering: Embedded and Realtime Systems, Embedded Linux
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
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