[U-Boot] scripts: RPi 2: only 1 out of 4 CPUs brought up

Stephen Warren swarren at wwwdotorg.org
Mon Jul 13 21:49:36 PDT 2015

On 07/11/2015 12:16 AM, Eric Anholt wrote:
> Stephen Warren <swarren at wwwdotorg.org> writes:
>> Eric, did you find out any more details on the SMP pen mechanism 
>> since I last asked you about it?
> Oh, I thought we were settled on this back in May -- the CPUs are 
> spinning in the low 8kb.  They are in that state by the time the 
> firmware has handed off to us.  I think it's modifying a 
> /memreserve/ node for you to know where the pen is.

Ah OK. I'll have to look into U-Boot and see if something is
accidentally using page 0 for something, or perhaps the kernel is just
using that as the first free page...

> Hey, do you know what's going on with merging code?  I feel really 
> stuck here -- I've got a graphics driver, and a Pi2
> implementation, and Andrea has cpufreq, and we're still stuck on
> getting the firmware driver merged.

Sorry, no. Lee would merge any SoC core patches (i.e.
arch/arm/mach-bcm2835), and relevant maintainers own the graphics and
cpufreq drivers.

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