Re: 8641D with linux 2.6.29 did'n show second cpu

[Eduard Fuchs <edfuchs@uni-kassel.de>]

Hi,

Am Mittwoch 01 April 2009 06:10:36 schrieb Kumar Gala:
> On Mar 31, 2009, at 10:06 AM, Eduard Fuchs wrote:
> > Hi,
> >
> > Am Dienstag 31 M=E4rz 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?
>
> It appears we introduced a bug in v2009.03 of u-boot.

I never thought that the problem could be in u-boot. I tested the board wit=
h=20
u-boot v2009.01 and it works well.

Best regard

Eduard Fuchs