[PATCH v4 10/11] riscv: dts: spacemit: add initial device tree of SpacemiT K3 SoC
Guodong Xu
guodong at riscstar.com
Sun Jan 11 23:59:02 PST 2026
On Mon, Jan 12, 2026 at 3:43 PM Maud Spierings
<maud_spierings at hotmail.com> wrote:
>
> > + mimsic: interrupt-controller at f1000000 {
> > + compatible = "spacemit,k3-imsics", "riscv,imsics";
> > + reg = <0x0 0xf1000000 0x0 0x10000>;
> > + #interrupt-cells = <0>;
> > + #msi-cells = <0>;
> > + interrupt-controller;
> > + interrupts-extended = <&cpu0_intc 11>, <&cpu1_intc 11>,
> > + <&cpu2_intc 11>, <&cpu3_intc 11>,
> > + <&cpu4_intc 11>, <&cpu5_intc 11>,
> > + <&cpu6_intc 11>, <&cpu7_intc 11>;
> > + msi-controller;
> > + riscv,guest-index-bits = <6>;
> > + riscv,hart-index-bits = <4>;
> > + riscv,num-guest-ids = <511>;
> > + riscv,num-ids = <511>;
> > +
> > + status = "disabled";
> > + };
> > +
> > + maplic: interrupt-controller at f1800000 {
> > + compatible = "spacemit,k3-aplic", "riscv,aplic";
> > + reg = <0x0 0xf1800000 0x0 0x4000>;
> > + #interrupt-cells = <2>;
> > + interrupt-controller;
> > + msi-parent = <&mimsic>;
> > + riscv,children = <&saplic>;
> > + riscv,delegate = <&saplic 1 512>;
> > + riscv,num-sources = <512>;
> > +
> > + status = "disabled";
> > + };
>
>
> from reading the chatter on v3 I think the right status here may be
> "reserved", for elements that are reserved by firmware. But I could be
> mistaken.
Thanks Maud. Good catch. I think you are right, both M-mode maplic and mimsic
should be listed as "reserved" to signify that they are intended to be used
in OpenSBI, not the S-mode kernel.
I will fix that in the next version.
BR,
Guodong Xu
>
> Kind regards,
> Maud
More information about the linux-riscv
mailing list