[U-Boot] [PATCH 8/8] riscv: dts: Support four cores SMP
Rick Chen
rickchen36 at gmail.com
Thu Oct 31 05:57:38 UTC 2019
Hi Bin
>
> Hi Rick,
>
> On Fri, Oct 25, 2019 at 2:18 PM Andes <uboot at andestech.com> wrote:
> >
> > From: Rick Chen <rick at andestech.com>
> >
> > Add CPU2 and CPU3 informations in cpus node
>
> nits: information
OK
>
> > to support four cores SMP booting.
> >
> > Signed-off-by: Rick Chen <rick at andestech.com>
> > Cc: KC Lin <kclin at andestech.com>
> > Cc: Alan Kao <alankao at andestech.com>
> > ---
> > arch/riscv/dts/ae350_32.dts | 51 ++++++++++++++++++++++++++++++++++++++++++---
> > arch/riscv/dts/ae350_64.dts | 51 ++++++++++++++++++++++++++++++++++++++++++---
> > 2 files changed, 96 insertions(+), 6 deletions(-)
> >
> > diff --git a/arch/riscv/dts/ae350_32.dts b/arch/riscv/dts/ae350_32.dts
> > index 97b7cee..c794a7f 100644
> > --- a/arch/riscv/dts/ae350_32.dts
> > +++ b/arch/riscv/dts/ae350_32.dts
> > @@ -62,6 +62,48 @@
> > compatible = "riscv,cpu-intc";
> > };
> > };
> > + CPU2: cpu at 2 {
> > + device_type = "cpu";
> > + reg = <2>;
> > + status = "okay";
> > + compatible = "riscv";
> > + riscv,isa = "rv32imafdc";
> > + riscv,priv-major = <1>;
> > + riscv,priv-minor = <10>;
> > + mmu-type = "riscv,sv32";
> > + clock-frequency = <60000000>;
> > + i-cache-size = <0x8000>;
> > + i-cache-line-size = <32>;
> > + d-cache-size = <0x8000>;
> > + d-cache-line-size = <32>;
> > + next-level-cache = <&L2>;
> > + CPU2_intc: interrupt-controller {
> > + #interrupt-cells = <1>;
> > + interrupt-controller;
> > + compatible = "riscv,cpu-intc";
> > + };
> > + };
> > + CPU3: cpu at 3 {
> > + device_type = "cpu";
> > + reg = <3>;
> > + status = "okay";
> > + compatible = "riscv";
> > + riscv,isa = "rv32imafdc";
> > + riscv,priv-major = <1>;
> > + riscv,priv-minor = <10>;
> > + mmu-type = "riscv,sv32";
> > + clock-frequency = <60000000>;
> > + i-cache-size = <0x8000>;
> > + i-cache-line-size = <32>;
> > + d-cache-size = <0x8000>;
> > + d-cache-line-size = <32>;
> > + next-level-cache = <&L2>;
> > + CPU3_intc: interrupt-controller {
> > + #interrupt-cells = <1>;
> > + interrupt-controller;
> > + compatible = "riscv,cpu-intc";
> > + };
> > + };
> > };
> >
> > L2: l2-cache at e0500000 {
> > @@ -94,7 +136,8 @@
> > interrupt-controller;
> > reg = <0xe4000000 0x2000000>;
> > riscv,ndev=<71>;
> > - interrupts-extended = <&CPU0_intc 11 &CPU0_intc 9 &CPU1_intc 11 &CPU1_intc 9>;
> > + interrupts-extended = <&CPU0_intc 11 &CPU0_intc 9 &CPU1_intc 11 &CPU1_intc 9
> > + &CPU2_intc 11 &CPU2_intc 9 &CPU3_intc 11 &CPU3_intc 9>;
>
> The indentation looks wrong.
OK. I will fix it.
Thanks
Rick
>
> > };
> >
> > plic1: interrupt-controller at e6400000 {
> > @@ -104,12 +147,14 @@
> > interrupt-controller;
> > reg = <0xe6400000 0x400000>;
> > riscv,ndev=<2>;
> > - interrupts-extended = <&CPU0_intc 3 &CPU1_intc 3>;
> > + interrupts-extended = <&CPU0_intc 3 &CPU1_intc 3
> > + &CPU2_intc 3 &CPU3_intc 3>;
> > };
> >
> > plmt0 at e6000000 {
> > compatible = "riscv,plmt0";
> > - interrupts-extended = <&CPU0_intc 7 &CPU1_intc 7>;
> > + interrupts-extended = <&CPU0_intc 7 &CPU1_intc 7
> > + &CPU2_intc 7 &CPU3_intc 7>;
> > reg = <0xe6000000 0x100000>;
> > };
> > };
>
> [snip]
>
> Regards,
> Bin
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