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Diffstat (limited to 'target/linux/sunxi/patches-5.4/101-arm64-dts-allwinner-a64-Enable-A64-timer-workaround.patch')
-rw-r--r--target/linux/sunxi/patches-5.4/101-arm64-dts-allwinner-a64-Enable-A64-timer-workaround.patch26
1 files changed, 26 insertions, 0 deletions
diff --git a/target/linux/sunxi/patches-5.4/101-arm64-dts-allwinner-a64-Enable-A64-timer-workaround.patch b/target/linux/sunxi/patches-5.4/101-arm64-dts-allwinner-a64-Enable-A64-timer-workaround.patch
new file mode 100644
index 0000000000..ef7867af81
--- /dev/null
+++ b/target/linux/sunxi/patches-5.4/101-arm64-dts-allwinner-a64-Enable-A64-timer-workaround.patch
@@ -0,0 +1,26 @@
+From 55ec26d6a4241363fa94f15377ebd8f1116fbfd7 Mon Sep 17 00:00:00 2001
+From: Samuel Holland <samuel@sholland.org>
+Date: Sat, 12 Jan 2019 20:17:19 -0600
+Subject: [PATCH] arm64: dts: allwinner: a64: Enable A64 timer workaround
+
+As instability in the architectural timer has been observed on multiple
+devices using this SoC, inluding the Pine64 and the Orange Pi Win,
+enable the workaround in the SoC's device tree.
+
+Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
+Signed-off-by: Samuel Holland <samuel@sholland.org>
+Signed-off-by: Chen-Yu Tsai <wens@csie.org>
+---
+ arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 1 +
+ 1 file changed, 1 insertion(+)
+
+--- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
++++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
+@@ -159,6 +159,7 @@
+
+ timer {
+ compatible = "arm,armv8-timer";
++ allwinner,erratum-unknown1;
+ interrupts = <GIC_PPI 13
+ (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>,
+ <GIC_PPI 14