From c29e4d84cfa17ab96eff2a9044f486ba3c8b5c43 Mon Sep 17 00:00:00 2001
From: Atish Patra <atish.patra@wdc.com>
Date: Mon, 25 Oct 2021 11:35:41 -0700
Subject: [PATCH] riscv: dts: Add few PMU events
fu740 has 2 HPM counters and many HPM events defined in the fu740 manual[1].
This patch adds some of these events and their mapping as per the
OpenSBI PMU DT binding for now.
[1]https://sifive.cdn.prismic.io/sifive/de1491e5-077c-461d-9605-e8a0ce57337d_fu740-c000-manual-v1p3.pdf
Signed-off-by: Atish Patra <atish.patra@wdc.com>
---
arch/riscv/dts/fu740-c000.dtsi | 11 +++++++++++
1 file changed, 11 insertions(+)
--- a/arch/riscv/dts/fu740-c000.dtsi
+++ b/arch/riscv/dts/fu740-c000.dtsi
@@ -140,6 +140,17 @@
#size-cells = <2>;
compatible = "simple-bus";
ranges;
+ pmu {
+ compatible = "riscv,pmu";
+ riscv,raw-event-to-mhpmcounters = <0x00000000 0x200 0x18
+ 0x00000000 0x400 0x18
+ 0x00000000 0x800 0x18>;
+ riscv,event-to-mhpmcounters = <0x05 0x06 0x18
+ 0x10009 0x10009 0x18>;
+ riscv,event-to-mhpmevent = <0x05 0x00000000 0x4000
+ 0x06 0x00000000 0x4001
+ 0x10008 0x00000000 0x102>;
+ };
plic0: interrupt-controller@c000000 {
#interrupt-cells = <1>;
#address-cells = <0>;