PCIE Hotplug on P2010(mpc85xx) ?

Joakim Tjernlund joakim.tjernlund at transmode.se
Fri Jul 20 19:57:29 EST 2012


Zang Roy-R61911 <r61911 at freescale.com> wrote on 2012/07/20 11:31:31:
>
>
> > -----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.

Too bad, but one might be able to use something else, just guessing though.
However, performing a manual rescan should do the trick.

Perhaps you could comment on the "mpc8xxx PCIe hotplug needs fixing, some clues" mail too?

> And more, hotplug needs extra hardware pin in the silicon, which is missing for P2010.

Ohh, what is the name of this pin?

 Jocke



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