Re: [PATCH 2/2] Platform/RaspberryPi: Increase genet dma window

["Samer El-Haj-Mahmoud" <samer.el-haj-mahmoud@arm.com>]

+Ard's new e-mail address

> -----Original Message-----
> From: Jeremy Linton <jeremy.linton@arm.com>
> Sent: Thursday, April 15, 2021 3:22 PM
> To: devel@edk2.groups.io
> Cc: Ard Biesheuvel <Ard.Biesheuvel@arm.com>; leif@nuviainc.com;
> pete@akeo.ie; Samer El-Haj-Mahmoud <Samer.El-Haj-
> Mahmoud@arm.com>; Andrei Warkentin (awarkentin@vmware.com)
> <awarkentin@vmware.com>; Jeremy Linton <Jeremy.Linton@arm.com>
> Subject: [PATCH 2/2] Platform/RaspberryPi: Increase genet dma window
>
> The genet is capable of addressing the entire memory space on the RPI4.
> Lets allow it to dma into those regions.
> This solves intermittent issues with grub/etc being able to communicate
> when the 3G limit is lifted on 8G boards.
>
> Signed-off-by: Jeremy Linton <jeremy.linton@arm.com>
> ---
>  Platform/RaspberryPi/RPi4/RPi4.dsc | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/Platform/RaspberryPi/RPi4/RPi4.dsc
> b/Platform/RaspberryPi/RPi4/RPi4.dsc
> index ddf4dd6a41..facf34f034 100644
> --- a/Platform/RaspberryPi/RPi4/RPi4.dsc
> +++ b/Platform/RaspberryPi/RPi4/RPi4.dsc
> @@ -698,7 +698,7 @@
>    Silicon/Broadcom/Drivers/Net/BcmGenetDxe/BcmGenetDxe.inf {
>      <PcdsFixedAtBuild>
>        gEmbeddedTokenSpaceGuid.PcdDmaDeviceOffset|0x00000000
> -      gEmbeddedTokenSpaceGuid.PcdDmaDeviceLimit|0xffffffff
> +      gEmbeddedTokenSpaceGuid.PcdDmaDeviceLimit|0xffffffffff
>    }
>
>    #
> --
> 2.13.7

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