Re: [PATCH 1/2] dt-bindings: add binding for A64 DE2 CCU with SRAM section

[icenowy]

å 2017-10-16 17:11ïMaxime Ripard åéï
> On Sat, Oct 14, 2017 at 08:29:24PM +0800, Icenowy Zheng wrote:
> > A64's Display Engine 2.0 needs a section of SRAM (SRAM C) to be 
> > claimed.
>
> Why?

Allwinner didn't document this, but if the SRAM is not claimed, the
DE2 MMIO zone is totally not accessible.

It seems that Allwinner uses the SRAM C in the DE2 internally.

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