Jan Kiszka wrote: > Javi Roman wrote: >> ... >> I think the driver requires PHY management (MDIO) to get my ethernet >> working, and from the brand new rtnet-0.9.7 (rt_mpc8xx_fec.c): >> >> #ifdef CONFIG_RTAI_RTNET_USE_MDIO >> #error "MDIO for PHY configuration is not yet supported!" >> #endif > > OK, that's something Wolfgang has to comment on.
As the message says, MDIO is not supported. > >> All MDIO stuff is under this macro. >> I don't know why is not supported, nevertheless I'm going to work with >> this issue. > > The original phy management here includes timed jobs that you don't want > in a deterministic environment, therefore they have been switched off. > Of course, this only makes sense when those jobs are not required to > keep the link running. If they are needed to bring it up, a smart way to > only do this during fec_enet_open has to be found. > > The golden rule is: Keep "comfort" functions out of the critical path. > If you have high rate deterministic traffic, some link watchdog at a few > HZ will choke far too late anyway. In this case, error detection can > best be performed at higher levels. Before we think more about PHY support some more questions: - did you disable the FEC driver in Linux via kernel config - do you see link up messages or are the corresponding LEDs on or blinking. - does FEC work under Linux without PHY support (try disabling PHY support via kenrel config). Wolfgang. ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys - and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ RTnet-users mailing list RTnet-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/rtnet-users
