From: gerg@snapgear•com (Greg Ungerer)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH] ARM: remove ixp2000 platform
Date: Mon, 12 Mar 2012 09:48:33 +1000 [thread overview]
Message-ID: <4F5D39D1.4050000@snapgear.com> (raw)
In-Reply-To: <m3aa3nqpxz.fsf@intrepid.localdomain>
On 11/03/12 22:31, Krzysztof Halasa wrote:
> Greg Ungerer<gerg@snapgear•com> writes:
>
>> The built in ethernet interfaces on the ixp4xx family are not PCI
>> based. So they at least do not suffer from the BE/LE conversions
>> at the eth driver.
>
> The problematic one is IXP42x rev. A0. It has no support for hw mixed
> mode (LE core + lane swapping where needed). Unfortunately this early
It is not problematic if you are running your core BE right?
Regards
Greg
> chip is quite popular. "Software" mixed mode means byte swapping in the
> network drivers and IIRC the crypto accelerator becomes unusable (at
> least without workarounds).
>
> Later revisions (42x rev. B0 and up, and all other IXP4[356]) can work
> in the most efficient hw mixed mode. Support is not upstream but it's
> basically ready. I think it may be incompatible with XIP.
--
------------------------------------------------------------------------
Greg Ungerer -- Principal Engineer EMAIL: gerg at snapgear.com
SnapGear Group, McAfee PHONE: +61 7 3435 2888
8 Gardner Close FAX: +61 7 3217 5323
Milton, QLD, 4064, Australia WEB: http://www.SnapGear.com
next prev parent reply other threads:[~2012-03-11 23:48 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1330450426-14639-1-git-send-email-robherring2@gmail.com>
2012-02-28 19:45 ` [PATCH] ARM: remove ixp2000 platform Arnd Bergmann
2012-03-06 1:41 ` Nicolas Pitre
2012-03-06 2:44 ` Rob Herring
2012-03-06 9:16 ` Russell King - ARM Linux
2012-03-06 14:11 ` Arnd Bergmann
2012-03-06 16:51 ` Nicolas Pitre
2012-03-06 17:10 ` Arnd Bergmann
2012-03-06 17:38 ` Richard Cochran
2012-03-07 8:40 ` Linus Walleij
2012-03-07 9:14 ` Russell King - ARM Linux
2012-03-07 11:54 ` Greg Ungerer
2012-03-11 12:31 ` Krzysztof Halasa
2012-03-11 23:48 ` Greg Ungerer [this message]
2012-03-13 21:15 ` Krzysztof Halasa
2012-03-07 17:09 ` Imre Kaloz
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