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ARM: sun6i: Enable ARM arch timers 

The A31 has non-initialized architected timers, without CNTFRQ or CNTVOFF set
by the Allwinner's bootloader.

Use the new DT property for such case, and enable the arch timers.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
hifive-unleashed-5.1
Maxime Ripard 2015-01-11 20:33:44 +01:00
parent 19f3af1df6
commit 121b96cd9d
1 changed files with 10 additions and 0 deletions
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10
arch/arm/boot/dts/sun6i-a31.dtsi
View File

@ -87,6 +87,16 @@
};
};
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;
};
cpus {
enable-method = "allwinner,sun6i-a31";
#address-cells = <1>;