Date: Mon, 03 Sep 2001 21:38:49 -0700 From: bmah@FreeBSD.ORG (Bruce A. Mah) To: Warner Losh <imp@harmony.village.org> Cc: bmah@FreeBSD.ORG, freebsd-mobile@FreeBSD.ORG, freebsd-doc@FreeBSD.ORG Subject: Re: Documenting pcic changes to -CURRENT and -STABLE Message-ID: <200109040438.f844cnt16772@intruder.bmah.org> In-Reply-To: <200109030814.f838E6h24548@harmony.village.org> References: <200109030526.f835Qg009572@intruder.bmah.org> <200109020412.f824CkD03205@intruder.bmah.org> <200108312226.f7VMQWk00844@intruder.bmah.org> <200109010833.f818X0h10099@harmony.village.org> <200109020416.f824G9h17457@harmony.village.org> <200109030814.f838E6h24548@harmony.village.org>
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If memory serves me right, Warner Losh wrote:
> In the new system, CardBus cards always ATTACH to the PCI bus, but
> they can route intererupts either via the PCI path or via the ISA
> path.
Ah, OK. I had these two concepts intertwined. Thanks for the other
comments by the way. Take 2 is appended for feedback...
Thanks!
Bruce.
Index: new.sgml
===================================================================
RCS file: /home/ncvs/src/release/doc/en_US.ISO8859-1/relnotes/common/new.sgml,v
retrieving revision 1.123
diff -u -r1.123 new.sgml
--- new.sgml 2001/09/03 06:30:17 1.123
+++ new.sgml 2001/09/04 04:34:53
@@ -240,6 +240,22 @@
as tuneables) at compile-time using &man.config.8;'s
<literal>ENV</literal> directive.</para>
+ <para>On many modern hosts, PCCARD devices can be configured to
+ route their interrupts via either the ISA or PCI interrupt paths.
+ The &man.pcic.4; driver has been updated to support both interrupt
+ paths (formerly, only routing via ISA was supported). In most
+ cases, configuration of PCMCIA devices in laptops is simpler and
+ more flexible. In addition, various Cardbus bridge PCI cards
+ (such as those used by Orinoco PCI NICs) are now supported. Some
+ hosts may experience problems with PCI interrupt routing; they can
+ frequently be made to work by forcing the older-style ISA
+ interrupt routing. The following lines, placed in
+ <filename>/boot/loader.conf</filename> or typed to the boot loader
+ may fix the problem. &merged;</para>
+
+ <screen><userinput>hw.pcic.intr_path=1</userinput>
+<userinput>hw.pcic.irq=0</userinput></screen>
+
<sect3>
<title>Processor/Motherboard Support</title>
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