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From: John Baldwin <jhb@freebsd.org>
To: "Poul-Henning Kamp" <phk@phk.freebsd.dk>
Subject: Re: Intel D2500CC motherboard and strange RS232/UART behavior
Date: Wed, 10 Apr 2013 10:16:57 -0400
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 (bigwig.baldwin.cx); Wed, 10 Apr 2013 10:43:13 -0400 (EDT)
Cc: Adrian Chadd <adrian@freebsd.org>, lev@freebsd.org,
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On Wednesday, April 10, 2013 3:04:15 am Poul-Henning Kamp wrote:
> In message <1424327083.20130410103010@serebryakov.spb.ru>, Lev Serebryakov 
writ
> es:
> >Hello, Poul-Henning.
> >You wrote 10 =E0=EF=F0=E5=EB=FF 2013 =E3., 0:52:04:
> >
> >>>  Problem is, that every uart device now is independent from each
> >>>  other in good "OOP" style, and it looks like interrupt sharing we
> >>>  need one interrupt handler per irq (not per device), which will now
> >>>  about several UARTs. Something like "multiport" device, bot not
> >>>  exactly.
> >PHK> That is what the puc(4) driver does...
> >  Yes, for PCI devices only :(
> 
> Yes, it needs to learn to do it from hints for ISA.

No, that is that not the right hammer for this.  This isn't a single ISA 
device with two ports (which is what puc(4) is aimed at).

-- 
John Baldwin