[U-Boot] [PATCH] tegra: p2771: Add CONFIG_EFI_LOADER_BOUNCE_BUFFER

Peter Robinson pbrobinson at gmail.com
Mon Jul 9 17:56:13 UTC 2018


On Mon, Jul 9, 2018 at 6:41 PM, Stephen Warren <swarren at wwwdotorg.org> wrote:
> On 07/06/2018 04:12 AM, Peter Robinson wrote:
>>
>> The Jetson TX2 needs EFI loader bounce buffer enabled otherwise grub
>> doesn't see
>> the storage when it loads.
>
>
> I suspect the need for this option is imposed by the SoC HW not the board
> design? If so, shouldn't the SoC Kconfig symbol select this EFI bounce
> buffer Kconfig symbol?

Possibly but all the other devices using this option are setting it in
their configs AFAICT so that's why I went this route, I suspect also
the Jetson X1 might need it too but I've not had time to test that
yet.

Peter


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