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From: Dan Malek <dan@embeddededge.com>
To: Eugene Surovegin <ebs@ebshome.net>
Cc: Dean Matsen <deanmatsen@earthlink.net>,
	linuxppc-embedded@lists.linuxppc.org
Subject: Re: Ethernet PHY chip discovery not working on 855T with  971/972 chips
Date: Wed, 09 Jul 2003 01:21:53 -0400	[thread overview]
Message-ID: <3F0BA671.1050900@embeddededge.com> (raw)
In-Reply-To: 5.1.0.14.2.20030708195315.038110e8@mail.ebshome.net


Eugene Surovegin wrote:

> It usually means that your hw lacks pull-up on MII MDIO line.

Yep, and even when PHYs indicate they have internal pull-ups, either
they don't or they aren't sufficient.


	-- Dan


** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/

  reply	other threads:[~2003-07-09  5:21 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-07-09  2:17 Ethernet PHY chip discovery not working on 855T with 971/972 chips Dean Matsen
2003-07-09  2:29 ` Dean Matsen
2003-07-09  2:56   ` Eugene Surovegin
2003-07-09  5:21     ` Dan Malek [this message]
2003-07-09  5:50       ` Dean Matsen
2003-07-09 14:37         ` Dan Malek
2003-07-09 16:39           ` Dean Matsen
2003-07-09 20:54           ` Dean Matsen
2003-07-09 21:21             ` Wolfgang Denk
     [not found]               ` <20030711151834.GU17433@ip68-0-152-218.tc.ph.cox.net>
2003-07-11 15:43                 ` Wolfgang Denk
2003-07-11 15:52                   ` Tom Rini
2003-07-11 18:29                     ` Wolfgang Denk
2003-07-11 18:50                       ` Tom Rini
2003-07-11 19:18                         ` Wolfgang Denk
2003-07-11 19:34                           ` Tom Rini
2003-07-11 21:04                             ` Wolfgang Denk
2003-07-14  6:21                         ` Pantelis Antoniou
2003-07-14  7:58                           ` Wolfgang Denk
2003-07-14 14:31                             ` Tom Rini
2003-07-14 19:26                               ` Wolfgang Denk
2003-07-15 15:04                                 ` Tom Rini
2003-07-11 23:21                 ` Dean Matsen
2003-07-12  1:01                   ` Paul Mackerras
2003-07-12 21:13                     ` Dean Matsen
2003-07-12 21:54                       ` Wolfgang Denk
2003-07-14 14:52                       ` Tom Rini
2003-07-13 15:48                     ` Dan Malek
2003-07-13 16:29                       ` Roland Dreier
2003-07-14 20:49                         ` Matt Porter
2003-07-15  5:08                           ` Roland Dreier

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