Re: [PATCH v3 03/13] riscv: dts: allwinner: Add xtheadvector to the D1/D1s devicetree

From: Samuel Holland
Date: Mon Jul 01 2024 - 11:27:19 EST


Hi Charlie,

On 2024-06-19 6:57 PM, Charlie Jenkins wrote:
> The D1/D1s SoCs support xtheadvector so it can be included in the
> devicetree. Also include vlenb for the cpu.
>
> Signed-off-by: Charlie Jenkins <charlie@xxxxxxxxxxxx>
> Reviewed-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>
> ---
> arch/riscv/boot/dts/allwinner/sun20i-d1s.dtsi | 3 ++-

The other C906/C910/C920-based SoCs need devicetree updates as well, although
they don't necessarily need to be part of this series:

- sophgo/cv18xx.dtsi
- sophgo/sg2042-cpus.dtsi
- thead/th1520.dtsi

> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/arch/riscv/boot/dts/allwinner/sun20i-d1s.dtsi b/arch/riscv/boot/dts/allwinner/sun20i-d1s.dtsi
> index 64c3c2e6cbe0..6367112e614a 100644
> --- a/arch/riscv/boot/dts/allwinner/sun20i-d1s.dtsi
> +++ b/arch/riscv/boot/dts/allwinner/sun20i-d1s.dtsi
> @@ -27,7 +27,8 @@ cpu0: cpu@0 {
> riscv,isa = "rv64imafdc";

The ISA string should be updated to keep it in sync with riscv,isa-extensions.

Regards,
Samuel

> riscv,isa-base = "rv64i";
> riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "zicntr", "zicsr",
> - "zifencei", "zihpm";
> + "zifencei", "zihpm", "xtheadvector";
> + thead,vlenb = <128>;
> #cooling-cells = <2>;
>
> cpu0_intc: interrupt-controller {
>