Re: [PATCH] [POWERPC] 85xx: Add basic Uniprocessor MPC8572 DS port

Kumar Gala
2007-09-13T21:21:02Z

On Sep 13, 2007, at 11:53 AM, Segher Boessenkool wrote:

>>> What is a "front side cache"? What exactly does it cache? If it's
>>> a cache for one CPU only, that fact should be shown in the device
>>> tree somehow.
>>
>> Its in front of the memory controllers. Its not specific to a
>> given CPU.
>
> Ah, I see. That relationship is implicit in the device tree already,
> both this cache controller and that memory controller are child nodes
> of the same soc node, so your device tree is fine.
>
> Just for my own understanding, is this a coherent cache? (I'm too
> lazy to read the manual ;-) )

yes its coherent. Our caches tend to be coherent.

- k