[RFC v2 6/6] riscv: dts: thead: convert isa detection to new properties

Jisheng Zhang jszhang at kernel.org
Wed Oct 4 05:13:30 PDT 2023


On Fri, Sep 22, 2023 at 09:13:51AM +0100, Conor Dooley wrote:
> From: Conor Dooley <conor.dooley at microchip.com>
> 
> Convert the th1520 devicetrees to use the new properties
> "riscv,isa-base" & "riscv,isa-extensions".
> For compatibility with other projects, "riscv,isa" remains.
> 
> Signed-off-by: Conor Dooley <conor.dooley at microchip.com>

Reviewed-by: Jisheng Zhang <jszhang at kernel.org>
> ---
>  arch/riscv/boot/dts/thead/th1520.dtsi | 12 ++++++++++++
>  1 file changed, 12 insertions(+)
> 
> diff --git a/arch/riscv/boot/dts/thead/th1520.dtsi b/arch/riscv/boot/dts/thead/th1520.dtsi
> index ce708183b6f6..723f65487246 100644
> --- a/arch/riscv/boot/dts/thead/th1520.dtsi
> +++ b/arch/riscv/boot/dts/thead/th1520.dtsi
> @@ -20,6 +20,9 @@ c910_0: cpu at 0 {
>  			compatible = "thead,c910", "riscv";
>  			device_type = "cpu";
>  			riscv,isa = "rv64imafdc";
> +			riscv,isa-base = "rv64i";
> +			riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "zicntr", "zicsr",
> +					       "zifencei", "zihpm";
>  			reg = <0>;
>  			i-cache-block-size = <64>;
>  			i-cache-size = <65536>;
> @@ -41,6 +44,9 @@ c910_1: cpu at 1 {
>  			compatible = "thead,c910", "riscv";
>  			device_type = "cpu";
>  			riscv,isa = "rv64imafdc";
> +			riscv,isa-base = "rv64i";
> +			riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "zicntr", "zicsr",
> +					       "zifencei", "zihpm";
>  			reg = <1>;
>  			i-cache-block-size = <64>;
>  			i-cache-size = <65536>;
> @@ -62,6 +68,9 @@ c910_2: cpu at 2 {
>  			compatible = "thead,c910", "riscv";
>  			device_type = "cpu";
>  			riscv,isa = "rv64imafdc";
> +			riscv,isa-base = "rv64i";
> +			riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "zicntr", "zicsr",
> +					       "zifencei", "zihpm";
>  			reg = <2>;
>  			i-cache-block-size = <64>;
>  			i-cache-size = <65536>;
> @@ -83,6 +92,9 @@ c910_3: cpu at 3 {
>  			compatible = "thead,c910", "riscv";
>  			device_type = "cpu";
>  			riscv,isa = "rv64imafdc";
> +			riscv,isa-base = "rv64i";
> +			riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "zicntr", "zicsr",
> +					       "zifencei", "zihpm";
>  			reg = <3>;
>  			i-cache-block-size = <64>;
>  			i-cache-size = <65536>;
> -- 
> 2.41.0
> 



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