The A80 SoC has the architected timer, but the existing firmware from
Allwinner does not set CNTFRQ at all.
Signed-off-by: Chen-Yu Tsai <w...@csie.org>
---
I'm not so sure about the cpu mask, but there's no SMP
support to actually test it.
---
arch/arm/boot/dts/sun9i-a80.dtsi | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/arch/arm/boot/dts/sun9i-a80.dtsi b/arch/arm/boot/dts/sun9i-a80.dtsi
index 2f7f82cc86ba..d46c0c70101c 100644
--- a/arch/arm/boot/dts/sun9i-a80.dtsi
+++ b/arch/arm/boot/dts/sun9i-a80.dtsi
@@ -114,6 +114,16 @@
reg = <0 0x20000000 0x02 0>;
};
+ timer {
+ compatible = "arm,armv7-timer";
+ interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) |
IRQ_TYPE_LEVEL_LOW)>,
+ <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(4) |
IRQ_TYPE_LEVEL_LOW)>,
+ <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(4) |
IRQ_TYPE_LEVEL_LOW)>,
+ <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(4) |
IRQ_TYPE_LEVEL_LOW)>;
+ clock-frequency = <24000000>;
+ arm,cpu-registers-not-fw-configured;
+ };
+
clocks {
#address-cells = <1>;
#size-cells = <1>;
--
2.1.4
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