From: Maxime Ripard <maxime.ripard@free-electrons.com>
Date: Tue, 3 Mar 2015 10:43:17 +0000 (+0100)
Subject: ARM: mvebu: Enable Performance Monitor Unit on Armada XP/370 SoCs
X-Git-Tag: firefly_0821_release~176^2~1896^2~4^2~5
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=a87cd07b88b4797d50d11fa1089705a284ae087f;p=firefly-linux-kernel-4.4.55.git

ARM: mvebu: Enable Performance Monitor Unit on Armada XP/370 SoCs

The Armada 370 and XP SoCs have Cortex-A9 compatible CPUs, and with a
Performance Monitoring Unit.

Enable it so that we can have hardware-assisted perf support.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
---

diff --git a/arch/arm/boot/dts/armada-370-xp.dtsi b/arch/arm/boot/dts/armada-370-xp.dtsi
index 7b3393e264f8..ec96f0b36346 100644
--- a/arch/arm/boot/dts/armada-370-xp.dtsi
+++ b/arch/arm/boot/dts/armada-370-xp.dtsi
@@ -73,6 +73,11 @@
 		};
 	};
 
+	pmu {
+		compatible = "arm,cortex-a9-pmu";
+		interrupts-extended = <&mpic 3>;
+	};
+
 	soc {
 		#address-cells = <2>;
 		#size-cells = <1>;