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From: "Li Yang" <leoli@freescale.com>
To: "Wolfgang Grandegger" <wg@grandegger.com>
Cc: linuxppc-dev <Linuxppc-dev@ozlabs.org>
Subject: Re: UCC GETH does not work on my MPC8360EA
Date: Fri, 19 Sep 2008 14:26:57 +0800	[thread overview]
Message-ID: <2a27d3730809182326t2ee3f114hdaf844ead15acf7b@mail.gmail.com> (raw)
In-Reply-To: <48D24CFA.3040604@grandegger.com>

On Thu, Sep 18, 2008 at 8:43 PM, Wolfgang Grandegger <wg@grandegger.com> wrote:
> Li Yang-R58472 wrote:
>>> -----Original Message-----
>>> From: linuxppc-dev-bounces+leoli=freescale.com@ozlabs.org
>>> [mailto:linuxppc-dev-bounces+leoli=freescale.com@ozlabs.org]
>>> On Behalf Of Wolfgang Grandegger
>>> Sent: Wednesday, September 17, 2008 5:18 PM
>>> To: linuxppc-dev
>>> Subject: UCC GETH does not work on my MPC8360EA
>>>
>>> Hello,
>>>
>>> I have a wired problems with my MPC8360EA using Linux
>>> 2.6.27-rc6. The UCC GEHT controller works fine with 100/Full
>>> but fails with 1000/Full.
>>> What I see is that the TX done interrupts come (ifconfig's TX
>>> packet counter goes up), but the messages does not show up on
>>> the wire. RX seems to work properly, though.
>>>
>>> Any idea what's going wrong? Does someone got it working with
>>> 1000/Full?
>>
>> This looks like an old problem that RGMII Tx shouldn't use internal
>> delay while Rx should use.  So try to use 'rgmii-rxid' as
>> phy-connection-type in device tree.  Also there should have been a fixup
>> in u-boot for this.  So update to use latest u-boot might fix your
>> problem.
>
> I do not have problems with U-Boot using 1000/full. The DTS property

I mean that the latest u-boot can fixup the phy-connection-type
automatically base on the chip revision.

- Leo

      reply	other threads:[~2008-09-19  6:26 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-09-17  9:17 UCC GETH does not work on my MPC8360EA Wolfgang Grandegger
2008-09-17  9:38 ` Li Yang-R58472
2008-09-18 12:43   ` Wolfgang Grandegger
2008-09-19  6:26     ` Li Yang [this message]

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