On Fri, Apr 20, 2001 at 07:44:02 +0400, Valeriy E. Ushakov wrote:

> >    Strange.  sbus is a child of the root node.  There's no iommu node.
> > 
> > not so strange.  an SS2 has:
> 
> I thought sbus at mainbus is 4c thing.

Yep, it seems OBP device tree is just lying:

ok see iommu-ctl@
: iommu-ctl@   
   (f0026dec) (f002520c) 
; 
ok f0026dec (see)
10000000 constant (f0026dec) 
ok f002520c (see)
: (f002520c)   
   bypass-asi spacel@ 
; 


> > perhaps you will need to invent a new bus space backend for it

So this looks like normal sun4m sbus at iommu setup.  I'll just need
to fake few bits to make iommu attach.


SY, Uwe
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