[U-Boot-Users] 83xx TSEC

Simon Yang bestwish.simon at gmail.com
Fri Dec 2 06:56:10 CET 2005

Hi David,

Have you resolved this now? Now I am also working with 83xx TSEC, but
we also meet the problem,in MDIO and MDC there isn't any signal, I
wonder if you meet the same problem in your board and whether you can
give me some comment on this!

Best Regards,


2005/9/15, David Updegraff <dave at cray.com>:
> Hi.
> Anyone know of any registers to look at in the TSEC stuff that might
> tell a guy why a frame is not moving?
> Our PHY looks fine; 'mii dump' is fine, link up, etc. but in tsec_send()
> the buffer of a ping is loaded up, and simply never goes anywhere.
> ->tstat remains clear (no halt bit), but rtx.txbd[txIdx].status never
> changes from assigned value.
> Stats claim no frames; which is correct.  I need some help in
> understanding why TSEC feels it cannot feed anything out the inerface.
> Thanx.
> -dbu.
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