Re: marvell relation support 20100413

[KIYOHARA Takashi <kiyohara%kk.iij4u.or.jp@localhost>]

Hi! Frank,

# I returned from vacation.


From: Frank Wille <frank%phoenix.owl.de@localhost>
Date: Fri, 30 Apr 2010 20:39:02 +0200

> KIYOHARA Takashi wrote:
> 
> > [...]
> > Next, Support gt on ofppc with PegasosII.
> > Remove pegasospci and add gtpci@gt.  Also support mvgbe.
> >
> >
> ftp://ftp.netbsd.org/pub/NetBSD/misc/kiyohara/orion_nas/ofppc-gt-20100413.diff
> 
> I just tested your patch with my Pegasos2/G3 and it either runs into a
> kernel panic or freezes the machine after enabling the interrupts.

hmm...


> It's always at the same point. It works on your G4, so there might be a
> problem with G3 machines?

You can find the word G4, MPX, and 60x in gtreg.h.


> One difference is that it reports
>   gt0: id 3, 60x bus wdog=0x60ffffff,0
> here, while it was "MPX bus" in your case. Could that be a problem?

No problem.  G4 uses MPX bus.  G3 uses 60x bus.

Can you operate the some registers?  (ex. GT_CPU_Mode, GT_CPU_Master_Ctl,
GT_CPU_Cfg)
Also, my patch re-write the GT_CPU_Cfg.

Thanks,
--
kiyohara