Re: [PATCH v4 17/19] riscv: dts: starfive: Add initial StarFive JH7110 device tree

Hal Feng
2023-02-23T07:17:01Z

On Tue, 21 Feb 2023 17:03:52 +0000, Conor Dooley wrote:
> On Tue, Feb 21, 2023 at 10:46:43AM +0800, Hal Feng wrote:
>
>> + S7_0: cpu@0 {
>> + compatible = "sifive,s7", "riscv";
>> + reg = <0>;
>> + d-cache-block-size = <64>;
>> + d-cache-sets = <64>;
>> + d-cache-size = <8192>;
>> + d-tlb-sets = <1>;
>> + d-tlb-size = <40>;
>> + device_type = "cpu";
>> + i-cache-block-size = <64>;
>> + i-cache-sets = <64>;
>> + i-cache-size = <16384>;
>> + i-tlb-sets = <1>;
>> + i-tlb-size = <40>;
>> + mmu-type = "riscv,sv39";
>> + next-level-cache = <&ccache>;
>> + riscv,isa = "rv64imac_zicsr_zba_zbb";
>
> I still think that adding just zicsr here is pointless. If you're going
> to be specific, why not also mention that you have zifencei too?

I would like to remove "_zicsr" in the next version. Thanks.

>
>> + tlb-split;
>> + status = "disabled";
>> +
>> + cpu0_intc: interrupt-controller {
>> + compatible = "riscv,cpu-intc";
>> + interrupt-controller;
>> + #interrupt-cells = <1>;
>> + };
>> + };
>
> Rest of this looks fine to me though, thanks for adding the s7
> compatible and zba/zbb :)

Thanks for your review. :)

Best regards,
Hal