From: Conor Dooley conor.dooley@microchip.com
[ Upstream commit af8f260abc608c06e4466a282b53f1e2dc09f042 ]
The fu540 has no cpu-map node, so tools like hwloc cannot correctly parse the topology. Add the node using the existing node labels.
Reported-by: Brice Goglin Brice.Goglin@inria.fr Link: https://github.com/open-mpi/hwloc/issues/536 Signed-off-by: Conor Dooley conor.dooley@microchip.com Link: https://lore.kernel.org/r/20220705190435.1790466-3-mail@conchuod.ie Signed-off-by: Palmer Dabbelt palmer@rivosinc.com Signed-off-by: Sasha Levin sashal@kernel.org --- arch/riscv/boot/dts/sifive/fu540-c000.dtsi | 24 ++++++++++++++++++++++ 1 file changed, 24 insertions(+)
diff --git a/arch/riscv/boot/dts/sifive/fu540-c000.dtsi b/arch/riscv/boot/dts/sifive/fu540-c000.dtsi index 5c638fd5b35c..48423cd8f544 100644 --- a/arch/riscv/boot/dts/sifive/fu540-c000.dtsi +++ b/arch/riscv/boot/dts/sifive/fu540-c000.dtsi @@ -133,6 +133,30 @@ cpu4_intc: interrupt-controller { interrupt-controller; }; }; + + cpu-map { + cluster0 { + core0 { + cpu = <&cpu0>; + }; + + core1 { + cpu = <&cpu1>; + }; + + core2 { + cpu = <&cpu2>; + }; + + core3 { + cpu = <&cpu3>; + }; + + core4 { + cpu = <&cpu4>; + }; + }; + }; }; soc { #address-cells = <2>;