PCIE Hotplug on P2010(mpc85xx) ?

[Zang Roy-R61911]

> -----Original Message-----
> From: Joakim Tjernlund [mailto:joakim.tjernlund at transmode.se]
> Sent: Friday, July 20, 2012 16:36 PM
> To: Zang Roy-R61911
> Cc: linuxppc-dev at ozlabs.org
> Subject: RE: PCIE Hotplug on P2010(mpc85xx) ?
> 
> Zang Roy-R61911 <r61911 at freescale.com> wrote on 2012/07/20 10:15:46:
> >
> > I do not think P2010 has a functional pciehp module in the pcie
> controller.
> > Roy
> 
> Maybe there is, see my latest mail to the list (today) titled:
> mpc8xxx PCIe hotplug needs fixing, some clues
No. if you check the hotplug register in configuration space in
P2010, which missrd some important bit define for hotplug, for example,
"Data Link Layer State Changed" in slot status register.
And more, hotplug needs extra hardware pin in the silicon, which is missing for P2010.
Roy
> 
> >
> > > -----Original Message-----
> > > From: Linuxppc-dev [mailto:linuxppc-dev-bounces+tie-
> > > fei.zang=freescale.com at lists.ozlabs.org] On Behalf Of Joakim Tjernlund
> > > Sent: Tuesday, July 10, 2012 3:44 AM
> > > To: linuxppc-dev at ozlabs.org
> > > Subject: PCIE Hotplug on P2010(mpc85xx) ?
> > >
> > >
> > > Trying to get the pciehp module to work on the above system.
> > > I can see it register but then nothing happens. I suspect there is
> > > something missing that I don't see ATM. Any clues what to look for?
> > >
> > >  Jocke
> > >
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> >
> >
>