[U-Boot] TFTP timeouts, i.mx fec problem?

Wolfgang Denk wd at denx.de
Fri Jun 14 17:30:37 CEST 2013


Dear Ruud,

In message <15AE5A936F5E3A42A9144E66875A0A89309217 at server1-derijp.CLB-Benelux.lokaal> you wrote:
> 
> I noticed these pins on the board. They have optional pull-down
> resistors, which are not placed by default. This would result in
> mode[2:0] being 111: "All capable. Auto-negotiation enabled". And as
> I look at the code, the cofiguration bits are set quite identical to
> this mode (10 + 100, Both FULL + HALF, aneg enabled). And on the
> other hand: after this sw-config + reset, the autonegotiation itself
> succeeds, indicated by the status bits and LED's. But for some reason
> it is not ready to transmit yet...

Hm... autonegotiation does not happen on the board only, it is
something between the board an the switch.  Would it be possible that
the switch takes longer to become ready to receive than the target
board takes to become ready to send?

Best regards,

Wolfgang Denk

-- 
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
Like winter snow on summer lawn, time past is time gone.


More information about the U-Boot mailing list