[PATCH v3 03/12] bus: mvebu-mbus: Add static window allocation to the DT binding

Sebastian Hesselbarth sebastian.hesselbarth at gmail.com
Tue Jun 18 14:44:30 EDT 2013


On 06/18/2013 08:39 PM, Arnd Bergmann wrote:
> On Tuesday 18 June 2013, Sebastian Hesselbarth wrote:
>> Also allows you to have up to 40b offset, which might be important
>> with LPAE enabled.
>
> Not with the current generation I think, since the mbus windows are
> 32 bit only, but it would avoid having to come up with a new format
> for a potential future-generation mbus that has wider address.

Yeah, I also recall Thomas or Gregory mention a 32b limitation in
remap windows. But we don't need to waste addresses here

And even if SIAA0000 is a concern because there may be target id >15
someday, we can still have IIAASS00 instead of IIAA00SS. I guess
LPAE will not rise above 40b quickly ;)

Sebastian



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