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

Mike Dunn mikedunn at newsguy.com
Thu May 23 19:43:57 CEST 2013


On 05/21/2013 02:38 PM, Marek Vasut wrote:
> 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.


Thanks Marek.  Was following this on the ML.  Will take a look when I get a chance.


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