@@ -72,5 +72,45 @@ plic: interrupt-controller@10000000 {
#address-cells = <0>;
#interrupt-cells = <2>;
};
+
+ pmu {
+ compatible = "riscv,pmu";
+ riscv,event-to-mhpmcounters =
+ <0x00003 0x00003 0x00000008>,
+ <0x00004 0x00004 0x00000010>,
+ <0x00005 0x00005 0x00000200>,
+ <0x00006 0x00006 0x00000100>,
+ <0x10000 0x10000 0x00004000>,
+ <0x10001 0x10001 0x00008000>,
+ <0x10002 0x10002 0x00010000>,
+ <0x10003 0x10003 0x00020000>,
+ <0x10019 0x10019 0x00000040>,
+ <0x10021 0x10021 0x00000020>;
+ riscv,event-to-mhpmevent =
+ <0x00003 0x00000000 0x00000001>,
+ <0x00004 0x00000000 0x00000002>,
+ <0x00005 0x00000000 0x00000007>,
+ <0x00006 0x00000000 0x00000006>,
+ <0x0000a 0x00000000 0x0000000b>,
+ <0x10000 0x00000000 0x0000000c>,
+ <0x10001 0x00000000 0x0000000d>,
+ <0x10002 0x00000000 0x0000000e>,
+ <0x10003 0x00000000 0x0000000f>,
+ <0x10019 0x00000000 0x00000004>,
+ <0x10021 0x00000000 0x00000003>;
+ riscv,raw-event-to-mhpmcounters =
+ <0x00000000 0x00000001 0xffffffff 0xffffffff 0x00000008>,
+ <0x00000000 0x00000002 0xffffffff 0xffffffff 0x00000010>,
+ <0x00000000 0x00000003 0xffffffff 0xffffffff 0x00000020>,
+ <0x00000000 0x00000004 0xffffffff 0xffffffff 0x00000040>,
+ <0x00000000 0x00000005 0xffffffff 0xffffffff 0x00000080>,
+ <0x00000000 0x00000006 0xffffffff 0xffffffff 0x00000100>,
+ <0x00000000 0x00000007 0xffffffff 0xffffffff 0x00000200>,
+ <0x00000000 0x0000000b 0xffffffff 0xffffffff 0x00002000>,
+ <0x00000000 0x0000000c 0xffffffff 0xffffffff 0x00004000>,
+ <0x00000000 0x0000000d 0xffffffff 0xffffffff 0x00008000>,
+ <0x00000000 0x0000000e 0xffffffff 0xffffffff 0x00010000>,
+ <0x00000000 0x0000000f 0xffffffff 0xffffffff 0x00020000>;
+ };
};
};
D1 has several pmu events supported by opensbi. These events can be used by perf for profiling. Signed-off-by: Inochi Amaoto <inochiama@outlook.com> --- arch/riscv/boot/dts/allwinner/sun20i-d1s.dtsi | 40 +++++++++++++++++++ 1 file changed, 40 insertions(+)