[PATCH v2] ARM: realview: basic device tree implementation

Arnd Bergmann arnd at arndb.de
Thu May 22 13:35:51 PDT 2014

On Thursday 22 May 2014 20:52:38 Linus Walleij wrote:
> On Thu, May 22, 2014 at 5:49 PM, Arnd Bergmann <arnd at arndb.de> wrote:
> > On Thursday 22 May 2014 15:45:03 Catalin Marinas wrote:
> >> Anyway, I don't think we have any streaming DMA used on these RealView
> >> boards.
> >
> > Yes, I think that is correct. MMCI, SSP and serial could all use
> > DMA but are not configured to do it.
> PB1176 has no working DMA (borked DMA hardware), the PB11MPCore
> actually has working DMA but only on UART TX and maybe AACI
> (haven't tested) no clue about the Cortex boards PBA8 and PBX though.

I don't see any DMA data passed to the pl011 driver for PB11MPCore
or any other realview board, so even if it works, we don't use it.

The AACI driver doesn't seem to support DMA.

PBA8 and PBX don't need the hack because they don't have a broken


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