[U-Boot-Users] icache/dcache not working on PPC440
wd at denx.de
Fri Mar 2 17:54:05 CET 2007
In message <200703021749.03000.sr at denx.de> you wrote:
> As mentioned above the main problem is the EMAC driver. It has either to be
> changed to support cache handling (invalidating/flushing) of the buffer
> descriptors. Or we must setup one small area in the SDRAM that is uncached
> and the driver uses this memory area for the buffer descriptors.
Other drivers may make similar assumptions. You will have to run a
pretty extensive set of regression testing (including other network
drivers, USB, ...) when attempting to perform such a change.
DENX Software Engineering GmbH, HRB 165235 Munich, CEO: Wolfgang Denk
Office: Kirchenstr. 5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
A Puritan is someone who is deathly afraid that someone, somewhere,
is having fun.
More information about the U-Boot