From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jerry Van Baren <gvb.uboot@gmail.com>
Date: Tue, 26 Feb 2008 21:47:57 -0500
Subject: [U-Boot-Users] MPC8541CDS board PHY interface
In-Reply-To: <753173.56427.qm@web8911.mail.in.yahoo.com>
References: <753173.56427.qm@web8911.mail.in.yahoo.com>
Message-ID: <47C4CF5D.5060800@gmail.com>
List-Id: <u-boot.lists.denx.de>
MIME-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
To: u-boot@lists.denx.de

M Ravi Prakash Reddy wrote:
>  Hi,

Hi Ravi,

[snip]

>   As per  MPC8555ERM.pdf document TX_CLK for the PHY will be supplied by 
> the powerPC in RGMII mode . In our case we are not getting this clock. 
> We are not able to ping our board.

Be aware that u-boot has a "ping" command that you can use to ping 
*other* computers.  U-boot does *NOT* respond to a ping from another 
computer (short explanation: u-boot is a simple polled mode program).

>    we want to know what all changes are required in the U-Boot code to 
> initialize the PowerPC for RGMII operation.

Answered by Manish Jaggi (I'm not qualified to answer this).

> Thanks & regards
> M Ravi

HTH,
gvb