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

Marek Vasut marex at denx.de
Tue May 21 23:38:03 CEST 2013


Dear Sergey Yanovich,

> Dear Marek Vasut,
> 
> On Tue, 2013-05-21 at 22:07 +0200, Marek Vasut wrote:
> > The OneNAND has 1kbyte limit on code it will directly address when
> > booting from it, you can't even make generate the MMU table there.
> 
> Do you mean there is no space left inside that 1K for
> lock_cache_for_stack()?

How would you do that ? You need MMU enabled to lock lines IIRC.

> > > I have plans to dig deeper into this after I complete the current
> > > project. Faster boot is always a good thing. Thanks for explaining in
> > > details.
> > 
> > Sure, yet I think I just piled work onto you ;-)
> 
> It's OK. I have plans to do this anyway.

CCing Mike Dunn, you two should coordinate.

Best regards,
Marek Vasut


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