[PATCH v1 2/2] riscv: dts: starfive: add the missing monitor core
Icenowy Zheng
icenowy at aosc.io
Wed Jul 13 08:15:02 PDT 2022
在 2022-07-11星期一的 19:43 +0100,Conor Dooley写道:
> From: Conor Dooley <conor.dooley at microchip.com>
>
> The JH7100 has a 32 bit monitor core that is missing from the device
> tree. Add it (and its cpu-map entry) to more accurately reflect the
> actual topology of the SoC.
>
> Signed-off-by: Conor Dooley <conor.dooley at microchip.com>
> ---
> arch/riscv/boot/dts/starfive/jh7100.dtsi | 21 +++++++++++++++++++++
> 1 file changed, 21 insertions(+)
>
> diff --git a/arch/riscv/boot/dts/starfive/jh7100.dtsi
> b/arch/riscv/boot/dts/starfive/jh7100.dtsi
> index c617a61e26e2..92fce5b66d3d 100644
> --- a/arch/riscv/boot/dts/starfive/jh7100.dtsi
> +++ b/arch/riscv/boot/dts/starfive/jh7100.dtsi
> @@ -67,6 +67,23 @@ cpu1_intc: interrupt-controller {
> };
> };
>
> + E24: cpu at 2 {
> + compatible = "sifive,e24", "riscv";
Oh, by the way "sifive,e24" is not a documented compatible in the DT
binding.
If you really want to add it here, you need to add the compatible
string to the DT binding first.
> + reg = <2>;
> + device_type = "cpu";
> + i-cache-block-size = <32>;
> + i-cache-sets = <256>;
> + i-cache-size = <16384>;
> + riscv,isa = "rv32imafc";
> + status = "disabled";
> +
> + cpu2_intc: interrupt-controller {
> + compatible = "riscv,cpu-intc";
> + interrupt-controller;
> + #interrupt-cells = <1>;
> + };
> + };
> +
> cpu-map {
> cluster0 {
> core0 {
> @@ -76,6 +93,10 @@ core0 {
> core1 {
> cpu = <&U74_1>;
> };
> +
> + core2 {
> + cpu = <&E24>;
> + };
> };
> };
> };
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