[U-Boot] P2020 L2 cache as SRAM

Fabian Cenedese
2011-01-19T07:50:52Z

At 09:07 17.01.2011 +0100, Fabian Cenedese wrote:
>Hi
>
>We're trying to configure the PPC P2020 cpu to use the L2 cache
>as SRAM so we can load the U-Boot code in there. However we
>stumble into problems. Sometimes the cpu goes on trap when
>trying to access this area. Sometimes there's no trap but we
>seem to access a different area. That's probably a problem with
>setting up a TLB/LAW.
>
>Has anybody already done this and could share some code with
>us?
>
>I've seen that there's a mpc85xx branch with quite some work
>going on. Where should we base our work on? Should we use
>the master or is it better to use this branch? I'm used to svn,
>not git, so there may be other options I don't know about yet.

I know you're busy with patches and releasing, I just wanted
to ask again if anybody has already done this.

Thanks

bye Fabi