* [PATCH AUTOSEL 5.10 06/19] riscv: dts: sifive: Add fu540 topology information
[not found] <20220814162739.2398217-1-sashal@kernel.org>
@ 2022-08-14 16:27 ` Sasha Levin
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From: Sasha Levin @ 2022-08-14 16:27 UTC (permalink / raw)
To: linux-kernel, stable
Cc: Conor Dooley, Brice Goglin, Palmer Dabbelt, Sasha Levin, robh+dt,
krzysztof.kozlowski+dt, palmer, paul.walmsley, aou, geert,
zong.li, bmeng.cn, devicetree, linux-riscv
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 64c06c9b41dc..87d6e5a4253f 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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2022-08-14 16:27 ` [PATCH AUTOSEL 5.10 06/19] riscv: dts: sifive: Add fu540 topology information Sasha Levin
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