[PATCH 4/6] arm64/ls1043a: add DTS for Freescale LS1043A SoC

Li Leo LeoLi at freescale.com
Tue Sep 22 21:16:10 PDT 2015


> > > >
> > > > Hi,
> > > >
> > > > > +/memreserve/ 0x80000000 0x00010000;
> > > >
> > > > Why is this necessary?
> > >
> > > This memory region is pre-reserved for the spin-table/psci, although
> > > didn't add Enable method of secondary cores.
> >
> > Can this be reserved by bootloader?
> 
> Yes, the memory for psci was reserved by u-boot code. But due to spin-table
> need the release address, is it better adding the /memreserve/ in dts file?
> Or add it by bootloader and fix the release address accordingly?

Both the reserved memory region and cpu-release-addr should be updated by bootloader.

Regards,
Leo



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