On Thursday 23 July 2009 08:16:47 Prafulla Wadaskar wrote: > > I'm working on the repo right now and should have another > > pull request soon. The 'forced interface' patch is still > > contentious, so isn't included. > > Okay > With this for RD6281 Build will not fail, but network will be broken. > Meanwhile I will check why auto negotiation doesn't work on this board?
Did you check if Lennert's comments are correct? Quote: >Isn't it just because on the RD6281A, the first ethernet MAC of the >CPU is connected to an ethernet switch chip instead of an ethernet PHY, >and therefore there is no negotiation to be done? (The second MAC >is connected to a PHY directly, so that one should just use autoneg.) > >Even on the RD6281Z, we should just force the ethernet MAC to a >fixed speed/duplex, since even though PHY polling might work there, >we'll be talking to the PHY corresponding to the first switch port, >which means that you might not be able to tftp from the second switch >port or so if there's nothing plugged into the first one. > >FWIW, the linux kernel port also forces 1000/full on the CPU MACs where >a switch chip is connected. On those CPU MACs where there is a switch >chip connected, the (R)(G)MII interface becomes purely a bus to >transport packets into and out of the crossbar, one that is always up. So, is this ethernet port in question connected to switch? Then a forced link (highest speed) should be used. Best regards, Stefan ===================================================================== DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: +49-8142-66989-0 Fax: +49-8142-66989-80 Email: off...@denx.de ===================================================================== _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
