linux-kernel - [PATCH 1/2] ARM: berlin: add scu and chipctrl device nodes for BG2/BG2Q

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Message-Id: <1395347986-30203-2-git-send-email-sebastian.hesselbarth@gmail.com>
Date:	Thu, 20 Mar 2014 21:39:45 +0100
From:	Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>
To:	Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>
Cc:	Rob Herring <robh+dt@...nel.org>, Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Russell King <linux@....linux.org.uk>,
	Antoine Tenart <antoine.tenart@...e-electrons.com>,
	Alexandre Belloni <alexandre.belloni@...e-electrons.com>,
	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] ARM: berlin: add scu and chipctrl device nodes for BG2/BG2Q

This adds scu and general purpose registers device nodes required for
SMP on Berlin BG2 and BG2Q SoCs. The secondary CPUs will pick their jump
address from general purpose (SW generic) register 1.

Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>
---
Cc: Rob Herring <robh+dt@...nel.org>
Cc: Pawel Moll <pawel.moll@....com>
Cc: Mark Rutland <mark.rutland@....com>
Cc: Ian Campbell <ijc+devicetree@...lion.org.uk>
Cc: Kumar Gala <galak@...eaurora.org>
Cc: Russell King <linux@....linux.org.uk>
Cc: Antoine Tenart <antoine.tenart@...e-electrons.com>
Cc: Alexandre Belloni <alexandre.belloni@...e-electrons.com>
Cc: devicetree@...r.kernel.org
Cc: linux-arm-kernel@...ts.infradead.org
Cc: linux-kernel@...r.kernel.org
---
 arch/arm/boot/dts/berlin2.dtsi  | 10 ++++++++++
 arch/arm/boot/dts/berlin2q.dtsi | 10 ++++++++++
 2 files changed, 20 insertions(+)

diff --git a/arch/arm/boot/dts/berlin2.dtsi b/arch/arm/boot/dts/berlin2.dtsi
index 56a1af2f1052..4d85312dc17a 100644
--- a/arch/arm/boot/dts/berlin2.dtsi
+++ b/arch/arm/boot/dts/berlin2.dtsi
@@ -72,6 +72,11 @@
 			cache-level = <2>;
 		};
 
+		scu: snoop-control-unit@...000 {
+			compatible = "arm,cortex-a9-scu";
+			reg = <0xad0000 0x58>;
+		};
+
 		gic: interrupt-controller@...000 {
 			compatible = "arm,cortex-a9-gic";
 			reg = <0xad1000 0x1000>, <0xad0100 0x0100>;
@@ -176,6 +181,11 @@
 			};
 		};
 
+		generic-regs@...184 {
+			compatible = "marvell,berlin-generic-regs", "syscon";
+			reg = <0xea0184 0x10>;
+		};
+
 		apb@...000 {
 			compatible = "simple-bus";
 			#address-cells = <1>;
diff --git a/arch/arm/boot/dts/berlin2q.dtsi b/arch/arm/boot/dts/berlin2q.dtsi
index 07452a7483fa..86d8a2c49f38 100644
--- a/arch/arm/boot/dts/berlin2q.dtsi
+++ b/arch/arm/boot/dts/berlin2q.dtsi
@@ -87,6 +87,11 @@
 			cache-level = <2>;
 		};
 
+		scu: snoop-control-unit@...000 {
+			compatible = "arm,cortex-a9-scu";
+			reg = <0xad0000 0x58>;
+		};
+
 		local-timer@...600 {
 			compatible = "arm,cortex-a9-twd-timer";
 			reg = <0xad0600 0x20>;
@@ -183,6 +188,11 @@
 			};
 		};
 
+		generic-regs@...110 {
+			compatible = "marvell,berlin-generic-regs", "syscon";
+			reg = <0xea0110 0x10>;
+		};
+
 		apb@...000 {
 			compatible = "simple-bus";
 			#address-cells = <1>;
-- 
1.9.0

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