[PATCH AUTOSEL 5.18 11/39] riscv: dts: sifive: Add fu540 topology information
Sasha Levin
sashal at kernel.org
Sun Aug 14 09:23:00 PDT 2022
From: Conor Dooley <conor.dooley at 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 at inria.fr>
Link: https://github.com/open-mpi/hwloc/issues/536
Signed-off-by: Conor Dooley <conor.dooley at microchip.com>
Link: https://lore.kernel.org/r/20220705190435.1790466-3-mail@conchuod.ie
Signed-off-by: Palmer Dabbelt <palmer at rivosinc.com>
Signed-off-by: Sasha Levin <sashal at 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>;
--
2.35.1
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