[U-Boot-Users] MPC8541CDS board PHY interface
Jerry Van Baren
gvb.uboot at gmail.com
Wed Feb 27 03:47:57 CET 2008
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
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