[parisc-linux] Problem find devices on the E55 I/O interfaces

[Grant Grundler]

Christoph Plattner wrote:
> So, the devices below may be the HP-PB bus, as you mentioned.
> The resulting question: is this HP-PB bus now transperent ?

The bus converter is "transparent", not the bus.
ie everything we need to know about the secondary bus, we should be able
to read from the bus converter.

> Why are the devices not found ?
> 
> The point confusing me, is that the PDC boot monitor can display the
> hardware paths below the "56", but Linux calling PDC calls cannot see
> those devices, independent, if the device type is really know or only
> found as unknown.

Sounds like the bus walk code is looking at the wrong address
for walking the lower BC port.

I'll point Ryan at the IO ACD (ioacd_v096.pdf only seems to be
available inside HP *sigh*) and he can sort it out.

grant