[U-Boot] MinnowBoard Max uboot

[Simon Glass]

+Bin and Gabriel

Hi Tom,

On 9 March 2015 at 08:08, Beaman, Thomas <Thomas.Beaman at xerox.com> wrote:
>
>
> Hi Simon,
>
>
>
> I see you have put support for the MinnowBoard Max in the u-boot mainline.
> Thanks this is a very useful addition.  I have been able to follow your
> readme and build a working bare metal uboot. Using the built uboot I can
> load and bring up a Linux Kernel.
>
>
>
> What I noticed from the running kernel is that only one of the two cores on
> the E3825 is running. In the power PC uboots I usually see a section for the
> multiple cores in the .dts file. My questions is how do I get both CPUs
> running on this board. Is it a uboot .dts file setup that will enable this,
> or is something in the kernel start up that does this.
>
>
>
> As a test I boot the same kernel using the EFI BIOS on the minnow board and
> both CPUs are running.
>
>
>
> Any suggestions or comments you have would be welcomed.
>
>

My guess is that the LAPIC CPU start-up is missing. It isn't 100%
clear what the FSP does and does not do, but perhaps it does not do
that.

I did make something of a start on this with ivybridge but it isn't
complete, and it seems to be needed here.

Regards,
Simon