linux-kernel - [PATCH] ARM: dts: berlin2q.dtsi: set L2CC tag and data latency as 2 cycles

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Date:	Thu, 12 Jun 2014 17:38:40 +0800
From:	Jisheng Zhang <jszhang@...vell.com>
To:	<robh+dt@...nel.org>, <pawel.moll@....com>, <mark.rutland@....com>,
	<ijc+devicetree@...lion.org.uk>, <galak@...eaurora.org>,
	<linux@....linux.org.uk>, <sebastian.hesselbarth@...il.com>,
	<alexandre.belloni@...e-electrons.com>,
	<antoine.tenart@...e-electrons.com>
CC:	<devicetree@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>, Jisheng Zhang <jszhang@...vell.com>
Subject: [PATCH] ARM: dts: berlin2q.dtsi: set L2CC tag and data latency as 2 cycles

For all BG2Q SoCs, 2 cycles is the best/correct value

Signed-off-by: Jisheng Zhang <jszhang@...vell.com>
---
 arch/arm/boot/dts/berlin2q.dtsi | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm/boot/dts/berlin2q.dtsi b/arch/arm/boot/dts/berlin2q.dtsi
index 635a16a..3f95dc5 100644
--- a/arch/arm/boot/dts/berlin2q.dtsi
+++ b/arch/arm/boot/dts/berlin2q.dtsi
@@ -90,6 +90,8 @@
 			compatible = "arm,pl310-cache";
 			reg = <0xac0000 0x1000>;
 			cache-level = <2>;
+			arm,data-latency = <2 2 2>;
+			arm,tag-latency = <2 2 2>;
 		};
 
 		scu: snoop-control-unit@...000 {
-- 
2.0.0

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