From: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Date: Mon, 14 Apr 2014 13:54:08 +0000 (+0200)
Subject: ARM: mvebu: add SMP support in the Armada 38x device tree
X-Git-Tag: firefly_0821_release~176^2~3465^2~44^2~10^2~32
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=19b06d7fd0716a4011a9c46d594c1ecf6e2548b1;p=firefly-linux-kernel-4.4.55.git

ARM: mvebu: add SMP support in the Armada 38x device tree

This commit improves the Armada 38x Device Tree to add the CPU reset
and PMSU Device Tree nodes as well as the declaration of the enabling
method for the CPUs. These are needed to get SMP working on Armada 38x
platforms.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Link: https://lkml.kernel.org/r/1397483648-26611-12-git-send-email-thomas.petazzoni@free-electrons.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
---

diff --git a/arch/arm/boot/dts/armada-380.dtsi b/arch/arm/boot/dts/armada-380.dtsi
index 068031f0f263..aa71718b549d 100644
--- a/arch/arm/boot/dts/armada-380.dtsi
+++ b/arch/arm/boot/dts/armada-380.dtsi
@@ -21,6 +21,8 @@
 	cpus {
 		#address-cells = <1>;
 		#size-cells = <0>;
+		enable-method = "marvell,armada-380-smp";
+
 		cpu@0 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a9";
diff --git a/arch/arm/boot/dts/armada-385.dtsi b/arch/arm/boot/dts/armada-385.dtsi
index e2919f02e1d4..2c7990d6efa2 100644
--- a/arch/arm/boot/dts/armada-385.dtsi
+++ b/arch/arm/boot/dts/armada-385.dtsi
@@ -21,6 +21,8 @@
 	cpus {
 		#address-cells = <1>;
 		#size-cells = <0>;
+		enable-method = "marvell,armada-380-smp";
+
 		cpu@0 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a9";
diff --git a/arch/arm/boot/dts/armada-38x.dtsi b/arch/arm/boot/dts/armada-38x.dtsi
index a123ef614468..2e1661f1c30e 100644
--- a/arch/arm/boot/dts/armada-38x.dtsi
+++ b/arch/arm/boot/dts/armada-38x.dtsi
@@ -279,11 +279,21 @@
 				clock-names = "nbclk", "fixed";
 			};
 
+			cpurst@20800 {
+				compatible = "marvell,armada-370-cpu-reset";
+				reg = <0x20800 0x10>;
+			};
+
 			coherency-fabric@21010 {
 				compatible = "marvell,armada-380-coherency-fabric";
 				reg = <0x21010 0x1c>;
 			};
 
+			pmsu@22000 {
+				compatible = "marvell,armada-380-pmsu";
+				reg = <0x22000 0x1000>;
+			};
+
 			eth1: ethernet@30000 {
 				compatible = "marvell,armada-370-neta";
 				reg = <0x30000 0x4000>;