riscv: dts: sifive: Add fu740 topology information
authorConor Dooley <conor.dooley@microchip.com>
Tue, 5 Jul 2022 19:04:34 +0000 (20:04 +0100)
committerPalmer Dabbelt <palmer@rivosinc.com>
Thu, 14 Jul 2022 21:37:02 +0000 (14:37 -0700)
The fu740 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/20220705190435.1790466-4-mail@conchuod.ie
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
arch/riscv/boot/dts/sifive/fu740-c000.dtsi

index 7b77c13496d8321a9d5c4b05e830ece5c0cde07f..43bed6c0a84fe81b10189f53842d739348b25f34 100644 (file)
                                interrupt-controller;
                        };
                };
+
+               cpu-map {
+                       cluster0 {
+                               core0 {
+                                       cpu = <&cpu0>;
+                               };
+
+                               core1 {
+                                       cpu = <&cpu1>;
+                               };
+
+                               core2 {
+                                       cpu = <&cpu2>;
+                               };
+
+                               core3 {
+                                       cpu = <&cpu3>;
+                               };
+
+                               core4 {
+                                       cpu = <&cpu4>;
+                               };
+                       };
+               };
        };
        soc {
                #address-cells = <2>;