Re: [Xen-devel] Odroid XU3 support

[Julien Grall <julien.grall@xxxxxxx>]

(CC the author of the Odroid support in Xen)

On 25/04/2016 11:01, Ivan Pavić2 wrote:
> Hello,
Hello,

I have CCed Suriyan who added the support of Odroid in Xen. He might be 
able to help you here.
> i'm trying to boot dom0 linux on exynos5422 platform on A15 (big cpu cluster).
>  From the past mailing lists on this link:
> http://lists.xen.org/archives/html/xen-devel/2016-02/msg02275.html)
> I'm not sure that is well defined how to change A7's for A15's.
> Should change be in DTS or should one change cpu power up routines in linux?
> So far every time it boots from A7's.
> Additionally, I found this in xen boot.ini file:
>
> # use the A7s for dom0 and pin them to it
> setenv xen_bootargs sync_console console=dtuart dtuart=/serial@12C20000 \
> dom0_mem=800M dom0_max_vcpus=4 dom0_vcpus_pin
>
> How this defines A7s for dom0?
>
> How can I check which core is currently active?
> Judging by this link on big.LITTLE architecture:
> http://forum.odroid.com/viewtopic.php?f=65&t=2580
>
> result of: cat /proc/cpuinfo | grep "CPU part" is
> CPU part    : 0xc07
>
> which stands for A7.
>
> Regards,
Regards,

--
Julien Grall

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