[U-Boot] [PATCH] arm: pxa: PXA270 D-Cache as ram

Marek Vasut
2013-05-22T13:54:36Z

Dear Sergey Yanovich,

> Dear Marek Vasut,
>
> On Wed, 2013-05-22 at 15:04 +0200, Marek Vasut wrote:
> > > Concerning the patch in question, is it possible to allow cache for ram
> > > on PXA270 somehow before we have a final solution?
> >
> > I dont mind discussing this further and even using DCache for stack in
> > board_init_f(), but we must make sure nothing gets broken.
>
> If it is possible, I would like to have a configuration option, which
> allows to use D-Cache as RAM not only on PXA25X, but also on PXA27X. I
> propose to preserve status-quo for now and only use D-Cache as RAM when
> it is explicitly configured so.

See above, let's do it properly please. Check the OneNAND SPL config on vpac270
board, will it still work with this enabled?

> You mentioned in a separate letter, that config options need
> documenting. This part is missing in my patch, and I'll fix this, if the
> above is OK.

Best regards,
Marek Vasut