[U-Boot-Users] MPC8260 Data Chache enabling, (performance improvement) Despite indication in documentation
wd at denx.de
Tue May 2 17:01:13 CEST 2006
Hello PDF conversion!
What about providing a real name here?
In message <20060502144508.14076.qmail at web37106.mail.mud.yahoo.com> you wrote:
> I know that the documentation indicates: "Data cache cannot be enabled on systems like 8xx or 8260(where access to IMMR region must be uncached). D cache cannot be diabled on other systems where we (mis-)use d-cache to hold an initial stach & some data.
Your lines are too long. Please read the netiquette and restict your
lines to something like 70 characters or so.
> However I want to confirm if this is possible before I try it out on the system. I also welcome any other solutions to improve performance of the MPC8260. Presently I only have the I-cache working but need the d-cache to be enabled wihout the exception
> interrupt routine 200.
What exactly do you expect? That I repeat the words written in the
In the subject you write "(performance improvement)" - where do you
expect a significant performance improvement in U-Boot if you could
enable the D-cache?
> Content-Type: text/html; charset=iso-8859-1
> Content-Transfer-Encoding: 8bit
And NEVER post HTML here again, NEVER!
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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