[PATCH v2] ARM: EXYNOS: mcpm: Don't rely on firmware's secondary_cpu_start

Nicolas Pitre nicolas.pitre at linaro.org
Mon Jun 9 13:22:41 PDT 2014


On Mon, 9 Jun 2014, Andrew Bresticker wrote:

> > [1] While waiting for the forth-coming patch from Andrew to enable the
> >     CCI port for the boot cluster), I do this from u-boot before starting
> >     the kernel (based on earlier email from Doug):
> >
> >     mw.l 10d25000 3  # Enable CCI from U-Boot
> 
> From the other thread, it sounds like Nicolas wants enabling of the
> boot cluster's CCI port to be done unconditionally for all MCPM
> platforms.  Nicolas, are you preparing a patch for this or should I?

I would like confirmation this indeed solves your problem first before I 
go ahead with it.

> The only issue I see with making the MCPM loopback generic is that
> although all current mainline MCPM platforms have the same cache flush
> procedure, a future platform could be different.

If you look at my patch the cache flush is factored out.


Nicolas



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