Initial commit

package/boot/uboot-sifiveu/patches/0008-riscv-dts-Add-few-PMU-events.patch

@@ -0,0 +1,36 @@
+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>;