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To: lev@FreeBSD.org
Subject: Re: Intel D2500CC motherboard and strange RS232/UART behavior
In-reply-to: <1424327083.20130410103010@serebryakov.spb.ru>
From: "Poul-Henning Kamp" <phk@phk.freebsd.dk>
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Date: Wed, 10 Apr 2013 07:04:15 +0000
Message-ID: <55881.1365577455@critter.freebsd.dk>
Cc: Adrian Chadd <adrian@freebsd.org>, freebsd-current@freebsd.org
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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.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.