more multiple dec21140 on ppc

[gregory.menke at gsfc.nasa.gov]

gregory.menke at gsfc.nasa.gov writes:
 > 
 > Till Straumann writes:
 >  > gregory.menke at gsfc.nasa.gov wrote:
 >  > > (sorry Till, I sent a copy to to alone by accident...)
 >  > > 
 >  > > 
 >  > > I'm still working on it and have little more to report except that its
 >  > > increasingly looking like something isn't quite configured right in
 >  > > MPIC or the PBC.  
 >  > > 
 >  > > Shifting the onboard dec to MPIC irq 2 (which its supposed to be wired
 >  > > to) causes it to stop receiving interrupts (and I am changing its
 >  > > INTERRUPT_LINE value to 2, with name = 18).  I've only been able to
 >  > > make the onboard dec operate under its ISA irq 10.
 >  > > 
 >  > 
 >  > Hmm - I cannot reproduce your problem on my mvme2306 board.
 >  > Here's what works (with both, the original dec21140.c and the
 >  > modified version you sent me a couple of days ago) on my board:
 > 

As expected, using ppcbug to program the onboard and cpci boards for
MPIC interrupt lines has no effect- no interrupts at all.  Somehow
Linux is able to program the Raven to make it work right but I've not
found where that is accomplished yet.

Gregm