From: Martin Michlmayr <tbm@cyrius.com>
To: Mark E Mason <mark.e.mason@broadcom.com>
Cc: linux-mips@linux-mips.org
Subject: Re: BCM91x80A/B PCI DMA problems
Date: Tue, 14 Mar 2006 16:38:22 +0000 [thread overview]
Message-ID: <20060314163822.GK6277@deprecation.cyrius.com> (raw)
In-Reply-To: <7E000E7F06B05C49BDBB769ADAF44D0786817B@NT-SJCA-0750.brcm.ad.broadcom.com>
* Mark E Mason <mark.e.mason@broadcom.com> [2006-03-14 08:21]:
> There's a lot of PCI HW out there that's 32-bit only, but there's
> also a fair bit that isn't. A 32-bit device in a 64-bit system is
> going to require bounce buffering by the driver/OS.
If I understand you correctly, you're saying that you currently don't
supporting 32 bit PCI cards on the SB1 platform. Is this something
you care about, or should I get a 64-bit PCI card instead? How hard
would it be to implement bounce buffering anyway?
--
Martin Michlmayr
http://www.cyrius.com/
next prev parent reply other threads:[~2006-03-14 16:29 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-03-14 16:21 BCM91x80A/B PCI DMA problems Mark E Mason
2006-03-14 16:38 ` Martin Michlmayr [this message]
-- strict thread matches above, loose matches on Subject: below --
2006-03-14 22:43 Mark E Mason
2006-03-14 16:55 Mark E Mason
2006-03-14 20:00 ` Alan Cox
2006-03-14 16:46 Mark E Mason
2006-03-14 2:31 Mark E Mason
2006-03-14 3:34 ` Martin Michlmayr
2006-03-14 12:14 ` Alan Cox
2006-02-28 22:15 Mark E Mason
2006-02-28 23:06 ` Alan Cox
2006-03-13 20:56 ` Martin Michlmayr
2006-02-28 21:53 Mark E Mason
2006-02-28 22:12 ` Martin Michlmayr
2006-02-28 21:46 Martin Michlmayr
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