panic on sparc64 with oem fw pci fw card

[Sean Bruno]

On Mon, 2009-03-30 at 14:27 -0700, Sean Bruno wrote:
> Andreas:
> 
> Thank you for the patch.  Can you point me to the original emails about 
> this issue?
> 
> I don't see a problem with this patch as it is, but I would like to 
> understand your problem a bit more.
> 
> Sean
> 
> On Mon, 2009-03-30 at 22:57 +0200, Andreas Tobler wrote:
> > Hi all,
> > 
> > I get the below panic when I load fw support on my sparc64.
> > 
> > I first posted this issue to the sparc64 list. Marius suggested to post 
> > to fw and simokawa@, here I do.
> > 
> > On suggestion of Marius I modified the fwohci.c with this:
> > 
> > Index: fwohci.c
> > ===================================================================
> > --- fwohci.c	(revision 190571)
> > +++ fwohci.c	(working copy)
> > @@ -527,7 +527,7 @@
> >   		device_printf(dev, "resetting OHCI...");
> >   	i = 0;
> >   	while(OREAD(sc, OHCI_HCCCTL) & OHCI_HCC_RESET) {
> > -		if (i++ > 100) break;
> > +		if (i++ > 1000) break;
> >   		DELAY(1000);
> >   	}
> >   	if (firewire_debug)
> > 
> > 

Ok, I read
http://lists.freebsd.org/pipermail/freebsd-sparc64/2009-March/006308.html and have 2 questions from that thread.

1.  You MacBook FireWire no longer works?  

2.  Try the attached patch on your sparc64 machine.  I don't think that
the problem is coming from fwohci_reset() but fwohci_probe_phy().

Index: fwohci.c
===================================================================
--- fwohci.c	(revision 190557)
+++ fwohci.c	(working copy)
@@ -436,7 +436,8 @@
  *    It is not actually available port on your PC .
  */
 	OWRITE(sc, OHCI_HCCCTL, OHCI_HCC_LPS);
-	DELAY(500);
+	/*DELAY(500);*/
+	DELAY(1500);
 
 	reg = fwphy_rddata(sc, FW_PHY_SPD_REG);
 


Sean