8641D with linux 2.6.29 did'n show second cpu

Eduard Fuchs edfuchs at uni-kassel.de
Wed Apr 1 02:06:55 EST 2009


Hi,

Am Dienstag 31 März 2009 15:20:21 schrieb Kumar Gala:
> On Mar 31, 2009, at 5:15 AM, Eduard Fuchs wrote:
> > Hi,
> >
> > I'm testing the evaluation board from freescale (MPC8641DHPCN) with
> > the latest
> > linux kernel (2.6.29) and the second core seems disabled. CONFIG_SPM
> > is
> > enabled but the /proc/cpuinfo shows only one cpu. With original
> > 2.6.27 kernel
> > both cpu cores appears in /proc/cpuinfo.
> >
> > Has anyone an idea how can i enable the second core?
>
> Are you using u-boot?  I can't remember if you need a newer u-boot to
> deal with changes in how we bring up the second core.

Yes. My u-boot version is 2009.03. Are there some additional config keys for 
SMP support in u-boot?

Best regard

Eduard




More information about the Linuxppc-dev mailing list