[PATCH] arm64: tegra: Enable all cores on Jetson TX1

From: Alexandre Courbot
Date: Thu Jun 30 2016 - 04:03:02 EST


Enable PSCI firmware and all 4 cores of T210 on Jetson TX1.

Signed-off-by: Alexandre Courbot <acourbot@xxxxxxxxxx>
---
Not sure why this was not done - in any case this seems to work fine
and performance is obviously improved (especially boot time).

arch/arm64/boot/dts/nvidia/tegra210-p2371-2180.dts | 23 ++++++++++++++++++++++
1 file changed, 23 insertions(+)

diff --git a/arch/arm64/boot/dts/nvidia/tegra210-p2371-2180.dts b/arch/arm64/boot/dts/nvidia/tegra210-p2371-2180.dts
index bb319daf6aa5..6e7fe0517e5c 100644
--- a/arch/arm64/boot/dts/nvidia/tegra210-p2371-2180.dts
+++ b/arch/arm64/boot/dts/nvidia/tegra210-p2371-2180.dts
@@ -71,4 +71,27 @@
regulator-enable-ramp-delay = <1000>;
};
};
+
+ cpus {
+ cpu@0 {
+ enable-method = "psci";
+ };
+
+ cpu@1 {
+ enable-method = "psci";
+ };
+
+ cpu@2 {
+ enable-method = "psci";
+ };
+
+ cpu@3 {
+ enable-method = "psci";
+ };
+ };
+
+ psci {
+ compatible = "arm,psci-1.0";
+ method = "smc";
+ };
};
--
2.9.0