From: Jens Scharsig <js_at_ng@scharsoft.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] AT91SAM9260 Ethernet Device
Date: Tue, 01 Dec 2009 21:44:25 +0100 [thread overview]
Message-ID: <hf3v0c$ajg$1@ger.gmane.org> (raw)
In-Reply-To: <4B13FB2E.9040402@gmail.com>
Dear J.Hwan.Kim,
> Hi, everyone
>
> I'm trying to connect ethernet with AT91SAM9260.
> My board uses DM9161A as a ethernet transceiver.
>
> The u-boot ethernet initialization routine runs auto-negotiation,
> it works fine. Ethernet controller of AT91SAM9260
> (MACB0) receives Auto negotiation completion bit
> from DM9161A status register.
Please check phy interface mode: RMII or MII
>
> But status registor of DM9161A returns "Invalid link status",
> so u-boot prints "eth0 link down".
>
> When does the "invalid link status" situation happen?
> How can I fix this problem?
> I connected the ethernet with PC by cross ethernet cable.
>
Which version of U-Boot do you use?
Have You test the connection with an ethernet siwtch?
Best Regards,
J. Scharsig
prev parent reply other threads:[~2009-12-01 20:44 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-11-30 17:04 [U-Boot] AT91SAM9260 Ethernet Device J.Hwan.Kim
2009-12-01 20:44 ` Jens Scharsig [this message]
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