[U-Boot-Users] Bug in AT91RM9200: icache not enabled!

Wolfgang Denk wd at denx.de
Wed Mar 30 10:56:29 CEST 2005

Dear Luc,

in message <1CFEB358338412458B21FAA0D78FE86D023CD734 at rennsmail02.eu.thmulti.com> you wrote:
> I saw your patch and tried it. Thanks for pointing out that I-Cache
> wasn't enabled.
> However, isn't it too dangerous to enable D-Cache too?
> Because usually U-Boot recommends to disable it?

There is no such recommendation. There  is  only  a  comment  in  the
README  about  8xx/8260 systems (where D-cache cannot be enabled) and
those systems where the cache is user as storage for the initial data
(whereD-cache cannot be disabled).

Best regards,

Wolfgang Denk

Software Engineering:  Embedded and Realtime Systems,  Embedded Linux
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
There are two ways to write error-free programs. Only the  third  one

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