Re: [PATCH] ARM: dts: bcm2711: Add pcie0 alias

[Phil Elwell]

Hi Nicolas,

On 26/02/2020 16:46, Nicolas Saenz Julienne wrote:
> Some bcm2711 revisions have different DMA constraints on the their PCIE
> bus. The lower common denominator, being able to access the lower 3GB of
> memory, is the default setting for now. Newer SoC revisions are able to
> access the whole memory space.
>
> Raspberry Pi 4's firmware is aware of this limitation and will correct
> the PCIE's dma-ranges property if a pcie0 alias is available. So add
> it.

I can confirm that this is exactly what the firmware is looking for, so

Reviewed-by: Phil Elwell <phil@xxxxxxxxxxxxxxx>

Phil