Hi Mark, Mark Jonas schrieb: > Hi, > >> Some Linux drivers like the smc911x driver, as used on TQMA31, rely on the >> MAC address >> in the appropriate register, but U-Boot resets the controller after every >> transfer. >> A patch for the Linux driver is necessary to extract the MAC address from >> the kernel >> boot parameter line and set the MAC address register accordingly. >> This patch adds the kernel parameter "ethaddr" to the U-Boot default >> environment so that the >> user cannot forget it. > > Do you know the nwhwconf patch? We used it with a kernel 2.6.22 for > Renesas SH3. It adds a kernel parameter nwhwconf and one of its > options is to specify a hwaddr which is the MAC address to use. The > Ethernet driver does not have to do anything other than to support the > ethtool interface. > > Example: > nwhwconf=device:eth0,hwaddr:12:34:56:78:90:ab > > So I think reading a kernel parameter from the Ethernet driver is not > a good idea - there are more generic approaches available. > > There has already been a discussion on this topic on the Celinux-dev > mailing list: > http://tree.celinuxforum.org/pipermail/celinux-dev/2007-July/001477.html > . Wolfgang Denk layed out his POV there as well. > > Regards, > Mark
I have 2.6.22, too. Thank you very much for the hint and the weblink. I will give the patch a try. A first look showed, that the smc911x driver supports ethtool. Kind regards, Jens ------------------------------------------------------------------------- Sponsored by: SourceForge.net Community Choice Awards: VOTE NOW! Studies have shown that voting for your favorite open source project, along with a healthy diet, reduces your potential for chronic lameness and boredom. Vote Now at http://www.sourceforge.net/community/cca08 _______________________________________________ U-Boot-Users mailing list U-Boot-Users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/u-boot-users
