Re: VAXstation 4000 TURBOchannel not working

["Maciej W. Rozycki" <macro%linux-mips.org@localhost>]

On Wed, 16 Mar 2016, Felix Deichmann wrote:

> Regarding the detection/match of the TC extension (or "Bus Adaptor" in
> DEC speak), bit 31 "ADP" in the BWF0 register, present in both KA46
> and KA49, is set when the adaptor is present ([1], chapter 7.5). So I
> hope I can come up with a patch soon.

 You probably don't need to probe for the TC adapter itself as scanning 
the TC space behind it the usual way for a ROM signature should just do, 
and you need to do this anyway to know what's there.  An empty adapter 
does not really buy you anything.

 FWIW,

  Maciej