[PATCH v2 1/2] vexpress63: Set the DM_RNG property

[Andre Przywara]

On Wed, 17 Sep 2025 17:22:21 +0100
Debbie Horsfall <debbie.horsfall at arm.com> wrote:

Hi Debbie,

thanks for the changes, looks good now.

> [PATCH v2 1/2] vexpress63: Set the DM_RNG property

                         ^^
It's nice to see new platforms supported ;-)

Tom, can you please fix this up when merging? The series looks good to go
now from my perspective.

> Enable the DM_RNG virtio random number generator driver in order to
> consume entropy within U-Boot. This allows U-Boot to inject entropy to the
> kernel via UEFI, so the kernel can use that early, for instance for
> address layout randomisation, or when the kernel does not provide an
> entropy driver itself.
> 
> Signed-off-by: Debbie Horsfall <debbie.horsfall at arm.com>

Reviewed-by: Andre Przywara <andre.przywara at arm.com>

Cheers,
Andre

> ---
>  board/armltd/vexpress64/Kconfig | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/board/armltd/vexpress64/Kconfig b/board/armltd/vexpress64/Kconfig
> index 7e8709444fe..610ab0ac37d 100644
> --- a/board/armltd/vexpress64/Kconfig
> +++ b/board/armltd/vexpress64/Kconfig
> @@ -21,6 +21,8 @@ config VEXPRESS64_BASE_MODEL
>  	imply EFI_SET_TIME if DM_RTC
>  	select LINUX_KERNEL_IMAGE_HEADER
>  	select POSITION_INDEPENDENT
> +	imply DM_RNG
> +	imply RNG_ARM_RNDR
>  
>  choice
>  	prompt "VExpress64 board variant"