From: Sergei Shtylyov <sshtylyov@ru.mvista.com>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
linux-mips@linux-mips.org
Subject: Re: [PATCH] Change PCI host bridge setup/resources
Date: Mon, 09 Apr 2007 18:44:39 +0400 [thread overview]
Message-ID: <461A5157.3000908@ru.mvista.com> (raw)
In-Reply-To: <Pine.LNX.4.64.0704091028010.1807@anakin>
Hello.
Geert Uytterhoeven wrote:
>>> This is certainly *not* a PCI or [E]ISA resource. It's decoded by the
>>>*host* bridge.
>>so ? It's an IO address no device should use, because it won't work.
>>Therefore mark it busy. That's all the code does.
> Yep, it's transparently decoded ISA (which is behind PCI) to control the PCI
> bus. Just traditional PC legacy hacks :-)
Rubbish. I was complaining about the PCI config/data ports at 0xCF8/0xCFC
which are by no means part of either [E]ISA or PCI. They're decoded by the
host to PCI bridge.
WBR, Sergei
next prev parent reply other threads:[~2007-04-09 14:43 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-08 11:34 [PATCH] Change PCI host bridge setup/resources Thomas Bogendoerfer
2007-04-08 17:20 ` Sergei Shtylyov
2007-04-08 23:07 ` Thomas Bogendoerfer
2007-04-09 8:29 ` Geert Uytterhoeven
2007-04-09 14:44 ` Sergei Shtylyov [this message]
2007-04-09 14:42 ` Sergei Shtylyov
2007-04-09 15:16 ` Thomas Bogendoerfer
2007-04-10 15:50 ` Maciej W. Rozycki
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