[U-Boot-Users] Data Chache enable
wd at denx.de
Tue May 2 21:06:52 CEST 2006
I asked you before: Please provide a real name. This is the last
reply I send to somebody who hides behind a silly name like "PDF
conversion". Please READ the netiquette.
In message <20060502170715.88092.qmail at web37103.mail.mud.yahoo.com> you wrote:
> I am trying to avoid the D chache exception 200 when I
> enable D cache.
The fix is simple: don't enable D-Cache.
> I know that the documentation indicates: "Data cache
> cannot be enabled on systems like 8xx or 8260(where
What exatly is not clear in the word "cannot"?
Do you understand what "can not" means?
> Are there any new commands I can include in the U-Boot
> boot loader?
There are many commands that can be enabled, but probably none of
them will help you doing things that cannot be done.
> Does any one know what the specific register settings
> are to avoid the data cache exception.
> If there is any documentation I overlooked please
It seems you did not overlook something, but you obviously try to
ignore a couple of things.
Software Engineering: Embedded and Realtime Systems, Embedded Linux
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
They say a little knowledge is a dangerous thing, but it is not one
half so bad as a lot of ignorance. - Terry Pratchett, _Equal Rites_
More information about the U-Boot