[U-Boot] [PATCH 3/4] MX51: Add video support

Stefano Babic sbabic at denx.de
Wed Oct 13 10:53:04 CEST 2010


On 10/12/2010 05:12 PM, Wolfgang Denk wrote:
> Dear stefano babic,
> 
> In message <4CB4776D.8050905 at denx.de> you wrote:
>>
>>> Does it work with both "dcache on" and "dcache off" settings?
>>
>> Well, as there is not yet support for L2-Cache on the MX51, we can say
>> yes ;-). However, this range of memory is used directly from the IPU
>> processor and not by the CPU, as well as in Linux without calling any
>> function to invalidate the cache. But I agree, it should be tested again
>> when support for L2-cache will be integrated.
> 
> What about L1 cache?  Have Heiko's chache patches been adapted for MX5
> yet?

No, they are not - however, probably the cache functions in
arch/arm/cpu/omap3 can be reused for the i.MX51, too.

Stefano

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