[PATCH 4/6] arm64: Add DTS support for FSL's LS2085A SoC

Stuart Yoder stuart.yoder at freescale.com
Fri Aug 15 08:37:06 PDT 2014


> > +/ {
> > +	compatible = "fsl,ls2085a";
> > +	interrupt-parent = <&gic>;
> > +	#address-cells = <2>;
> > +	#size-cells = <2>;
> > +
> > +	cpus {
> > +		#address-cells = <2>;
> > +		#size-cells = <0>;
> > +
> > +		/* We have 4 clusters having 2 Cortex-A57 cores each */
> > +		cpu at 0 {
> > +			device_type = "cpu";
> > +			compatible = "arm,cortex-a57";
> > +			reg = <0x0 0x0>;
> > +			enable-method = "spin-table";
> > +			cpu-release-addr = <0x0 0x8000fff8>;
> > +		};
> 
> I would strongly recommend having a unique cpu-release-addr for each
> CPU.

We could do that, but we were just following existing practice in
existing arch/arm64 device trees.  The 3 existing platforms upstream
right now all have have the same cpu-release-addr value:
   apm-storm.dtsi
   foundation-v8.dts
   rtsm_ve-aemv8a.dts

Stuart



More information about the linux-arm-kernel mailing list