[U-Boot] Olimex-A20-EVB ethernet stops working with latest U-boot, works with tag v2016.01

From: Hans de Goede <hdegoede@redhat.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] Olimex-A20-EVB ethernet stops working with latest U-boot, works with tag v2016.01
Date: Tue, 8 Mar 2016 11:54:03 +0100	[thread overview]
Message-ID: <56DEAF4B.8020102@redhat.com> (raw)
In-Reply-To: <op.yddoio07jqtppu@gwt.urmetenergy.com>

Hi,

On 25-02-16 08:31, Ing. Damiano Bolla wrote:
> Good morning Peng
>
> I did revert the commit, see attached image showing git repository status
>
> Unfortunately the result is still negative, see the following log
>
> U-Boot 2016.03-rc2-00117-gde889c0 (Feb 25 2016 - 08:12:50 +0100) Allwinner Technology
> CPU:   Allwinner A20 (SUN7I)
> I2C:   ready
> DRAM:  1 GiB
> MMC:   SUNXI SD/MMC: 0, SUNXI SD/MMC: 1
> In:    serial
> Out:   serial
> Err:   serial
> SCSI:  SUNXI SCSI INIT
> SATA link 0 timeout.
> AHCI 0001.0100 32 slots 1 ports 3 Gbps 0x1 impl SATA mode
> flags: ncq stag pm led clo only pmp pio slum part ccc apst
> Net:   eth0: ethernet at 01c50000
> starting USB...
> USB0:   USB EHCI 1.00
> USB1:   USB OHCI 1.0
> USB2:   USB EHCI 0.00
> USB3:   USB OHCI 0.0
> scanning bus 0 for devices... 1 USB Device(s) found
> scanning bus 2 for devices... 1 USB Device(s) found
> Hit any key to stop autoboot:  0
> ethernet at 01c50000 Waiting for PHY auto negotiation to complete......... TIMEOUT !
> ethernet at 01c50000: No link.
> ethernet at 01c50000 Waiting for PHY auto negotiation to complete......... TIMEOUT !
> ethernet at 01c50000: No link.
> Bad Linux ARM zImage magic!
>
> Can I assist further ?

Can you please git bisect this, and find out which commit breaks things ?

Thanks & Regards,

Hans

>
> Thanks, Damiano
>
>
> In data 25 febbraio 2016 alle ore 02:11:00, Peng Fan <van.freenix@gmail.com> ha scritto:
>
>> Hi Damiano,
>>
>> Can you try revert the following patch and retest on your board?
>> "
>> commit a058052c358c3ecf5f394ff37def6a45eb26768c
>> Author: Stefan Agner <stefan@agner.ch>
>> Date:   Wed Dec 9 11:21:25 2015 -0800
>>
>>     net: phy: do not read configuration register on reset
>>    When doing a software reset, the reset flag should be written without
>>     other bits set. Writing the current state will lead to restoring the
>>     state of the PHY (e.g. Powerdown), which is not what is expected from
>>     a software reset.
>>
>>     Signed-off-by: Stefan Agner <stefan@agner.ch>
>> "
>>
>> This patch breaks ethernet function of i.MX6 Quad Sabresd/Quad Sabreauto.
>> Not sure whether reverting this patch can help in your case or not. Please
>> try.
>>
>> Thanks,
>> Peng.
>>
>> On Wed, Feb 24, 2016 at 09:12:02AM +0100, Ing. Damiano Bolla wrote:
>>> Good morning all
>>>
>>> I updated to latest u-boot yesterday (git pull) and ethernet was not working
>>>
>>> reverted to tag v2016.01 with the command
>>>
>>> $ git checkout tags/v2016.01
>>>
>>> rebuilt, uploaded and ethernet works
>>>
>>> As far as I can tell the only difference on the two tests (just a simple ping 192.168.1.1) is the u-boot version
>>> Ethernet cable was not moved and I manage to load u-boot using FEL
>>>
>>> I can do further tests is any of you is interested.
>>>
>>> Thanks, Damiano
>>> _______________________________________________
>>> U-Boot mailing list
>>> U-Boot at lists.denx.de
>>> http://lists.denx.de/mailman/listinfo/u-boot
>>
>
>
>
>
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