FVP: Update device trees to match cpuidle driver
This patch updates the representation of idle tables and cpu/cluster topology in
the device tree source files for the FVP to what the latest cpuidle driver in
Linux expects. The device tree binaries have also been updated.
Change-Id: If0668b96234f65aa0435fba52f288c9378bd8824
diff --git a/fdts/fvp-foundation-gicv2-psci.dts b/fdts/fvp-foundation-gicv2-psci.dts
index 8d354b3..15ff471 100644
--- a/fdts/fvp-foundation-gicv2-psci.dts
+++ b/fdts/fvp-foundation-gicv2-psci.dts
@@ -65,29 +65,73 @@
#address-cells = <2>;
#size-cells = <0>;
- cpu@0 {
+ cpu-map {
+ cluster0 {
+ core0 {
+ cpu = <&CPU0>;
+ };
+ core1 {
+ cpu = <&CPU1>;
+ };
+ core2 {
+ cpu = <&CPU2>;
+ };
+ core3 {
+ cpu = <&CPU3>;
+ };
+ };
+ };
+
+ idle-states {
+ entry-method = "arm,psci";
+
+ CPU_SLEEP_0: cpu-sleep-0 {
+ compatible = "arm,idle-state";
+ entry-method-param = <0x0010000>;
+ entry-latency-us = <40>;
+ exit-latency-us = <100>;
+ min-residency-us = <150>;
+ };
+
+ CLUSTER_SLEEP_0: cluster-sleep-0 {
+ compatible = "arm,idle-state";
+ entry-method-param = <0x1010000>;
+ entry-latency-us = <500>;
+ exit-latency-us = <1000>;
+ min-residency-us = <2500>;
+ };
+ };
+
+ CPU0:cpu@0 {
device_type = "cpu";
compatible = "arm,armv8";
reg = <0x0 0x0>;
enable-method = "psci";
+ cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>;
};
- cpu@1 {
+
+ CPU1:cpu@1 {
device_type = "cpu";
compatible = "arm,armv8";
reg = <0x0 0x1>;
enable-method = "psci";
+ cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>;
};
- cpu@2 {
+
+ CPU2:cpu@2 {
device_type = "cpu";
compatible = "arm,armv8";
reg = <0x0 0x2>;
enable-method = "psci";
+ cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>;
};
- cpu@3 {
+
+ CPU3:cpu@3 {
device_type = "cpu";
compatible = "arm,armv8";
reg = <0x0 0x3>;
enable-method = "psci";
+ cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>;
};
};