[PATCH v4 7/8] arm64: dts: add CPU topology on Juno
Sudeep Holla
sudeep.holla at arm.com
Mon Jun 8 03:40:01 PDT 2015
This patch adds CPU topology on Juno. It will be useful for ther other
IP blocks depending on this topology.
Cc: Liviu Dudau <Liviu.Dudau at arm.com>
Cc: Jon Medhurst (Tixy) <tixy at linaro.org>
Signed-off-by: Sudeep Holla <sudeep.holla at arm.com>
---
arch/arm64/boot/dts/arm/juno-r1.dts | 26 ++++++++++++++++++++++++++
arch/arm64/boot/dts/arm/juno.dts | 26 ++++++++++++++++++++++++++
2 files changed, 52 insertions(+)
diff --git a/arch/arm64/boot/dts/arm/juno-r1.dts b/arch/arm64/boot/dts/arm/juno-r1.dts
index c62751153a4f..69130840c6cd 100644
--- a/arch/arm64/boot/dts/arm/juno-r1.dts
+++ b/arch/arm64/boot/dts/arm/juno-r1.dts
@@ -34,6 +34,32 @@
#address-cells = <2>;
#size-cells = <0>;
+ cpu-map {
+ cluster0 {
+ core0 {
+ cpu = <&A57_0>;
+ };
+ core1 {
+ cpu = <&A57_1>;
+ };
+ };
+
+ cluster1 {
+ core0 {
+ cpu = <&A53_0>;
+ };
+ core1 {
+ cpu = <&A53_1>;
+ };
+ core2 {
+ cpu = <&A53_2>;
+ };
+ core3 {
+ cpu = <&A53_3>;
+ };
+ };
+ };
+
A57_0: cpu at 0 {
compatible = "arm,cortex-a57","arm,armv8";
reg = <0x0 0x0>;
diff --git a/arch/arm64/boot/dts/arm/juno.dts b/arch/arm64/boot/dts/arm/juno.dts
index d7cbdd482a61..ce1128a54c8d 100644
--- a/arch/arm64/boot/dts/arm/juno.dts
+++ b/arch/arm64/boot/dts/arm/juno.dts
@@ -34,6 +34,32 @@
#address-cells = <2>;
#size-cells = <0>;
+ cpu-map {
+ cluster0 {
+ core0 {
+ cpu = <&A57_0>;
+ };
+ core1 {
+ cpu = <&A57_1>;
+ };
+ };
+
+ cluster1 {
+ core0 {
+ cpu = <&A53_0>;
+ };
+ core1 {
+ cpu = <&A53_1>;
+ };
+ core2 {
+ cpu = <&A53_2>;
+ };
+ core3 {
+ cpu = <&A53_3>;
+ };
+ };
+ };
+
A57_0: cpu at 0 {
compatible = "arm,cortex-a57","arm,armv8";
reg = <0x0 0x0>;
--
1.9.1
More information about the linux-arm-kernel
mailing list