From: Dinh Nguyen <dinguyen@opensource.altera.com>
To: Florian Fainelli <f.fainelli@gmail.com>,
"David S. Miller" <davem@davemloft.net>
Cc: <david.daney@cavium.com>, <netdev@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: SoCFPGA ethernet broken
Date: Thu, 15 Oct 2015 14:59:41 -0500 [thread overview]
Message-ID: <562005AD.8020903@opensource.altera.com> (raw)
In-Reply-To: <56200687.9040903@gmail.com>
On 10/15/2015 03:03 PM, Florian Fainelli wrote:
> On 15/10/15 12:09, Dinh Nguyen wrote:
>> Hi,
>>
>> commit "8b63ec1837fa phylib: Make PHYs children of their MDIO bus, not
>> the bus' parent." seems to have broken ethernet support for the SoCFPGA
>> platform which is using the stmmac ethernet driver.
>
> It is not clear to me how this relates to what you are seeing yet.
>
>>
>> It appears that during DHCP, it cannot get an IP address. This only
>> happens if ethernet was not used by the bootloader to tftp an kernel
>> image. If I use the bootloader to tftp an image then ethernet is working
>> fine. So I think the PHY is not getting enabled properly.
>>
>> If I revert this patch, then ethernet is back to working on the platform.
>
> Is the Device Tree source for this platform available somewhere to look at?
>
Yes, I'm using the DTS that is in the mainline:
arch/arm/boot/dts/socfpga.dtsi
arch/arm/boot/dts/socfpga_cyclone5.dtsi
arch/arm/boot/dts/socfpga_cyclone5_socdk.dts
Dinh
next prev parent reply other threads:[~2015-10-15 19:59 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-15 19:09 SoCFPGA ethernet broken Dinh Nguyen
2015-10-15 20:03 ` Florian Fainelli
2015-10-15 19:59 ` Dinh Nguyen [this message]
2015-10-15 20:25 ` Florian Fainelli
2015-10-15 20:35 ` David Daney
2015-10-15 20:49 ` Dinh Nguyen
2015-10-15 21:30 ` Florian Fainelli
2015-10-16 2:32 ` Dinh Nguyen
2015-10-16 3:31 ` Andrew Lunn
2015-10-16 14:38 ` Dinh Nguyen
2015-10-16 15:03 ` Andrew Lunn
2015-10-16 15:31 ` Dinh Nguyen
2015-10-16 15:56 ` Andrew Lunn
2015-10-16 16:47 ` David Daney
2015-10-16 19:10 ` Dinh Nguyen
2015-10-16 19:38 ` Andrew Lunn
2015-10-16 20:24 ` David Daney
2015-10-16 20:29 ` Andrew Lunn
2015-10-19 15:14 ` Dinh Nguyen
2015-10-16 18:17 ` Florian Fainelli
2015-10-16 3:04 ` Dinh Nguyen
2015-12-03 20:48 ` Pavel Machek
2015-12-03 21:23 ` David Daney
2015-12-03 23:17 ` Dinh Nguyen
2015-12-04 1:10 ` Andrew Lunn
2015-12-04 1:50 ` Andrew Lunn
2015-12-04 11:27 ` Dinh Nguyen
2015-12-04 14:31 ` Andrew Lunn
2015-12-04 9:38 ` Pavel Machek
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