Re: [PATCH v3 05/20] dt-bindings: riscv: add scalar crypto ISA extensions description
From: Clément Léger
Date: Wed Nov 08 2023 - 10:11:46 EST
On 08/11/2023 15:57, Conor Dooley wrote:
> Yo,
>
> On Tue, Nov 07, 2023 at 11:55:41AM +0100, Clément Léger wrote:
>> + - const: zkr
>> + description:
>> + The standard Zkr entropy source extension as ratified in version
>> + 1.0 of RISC-V Cryptography Extensions Volume I specification.
>
> So the topic of the seed CSR came up on the U-Boot ML in the last few
> days:
> https://lore.kernel.org/u-boot/20231107212431.GP6601@bill-the-cat
> I think we need to document that having zkr in riscv,isa-extensions
> means that the CSR is accessible at the privilege level to which that
> devicetree has been provided.
Hi Conor,
Indeed, seems like a good idea.
Thanks,
Clément