On Wed, Jul 04, 2012 at 01:53:39PM +0200, Vanalme Filip wrote: > Hi, > > On our board with i.MX27 processor, we have a Micrel 5-port Managed > Ethernet switch (ksz8895mq). When starting in normal MII mode, from > the Barebox prompt, I can get an IP address by executing the dhcp > command. When I change the switch's mode to SPI (via hardware > strapping), I'm not able to get an IP address anymore via DHCP. In > this mode, one has to write to a register in the switch to make the > switch start. So, within our startup code, I added some code to start > the switch. Reading back the register, I see that the bit is set, so I > assume the switch sould be running at that moment. However, when > executing the dhcp command, I get "phy0: Autonegotiation timeout". > That's strange, because, when I boot to Linux kernel, the kernel > starts up without any problem and gets an IP address via DHCP. So in > Linux, it's doing OK. Because it is working in Linux, I'm quite sure > the switch was started in a correct way. I don't understand why > Barebox is unable to contact the switch while there's no problem in > Linux to do the same. Anyone any idea on this problem ? Have you tried ignoring the return result from miidev_wait_aneg? I assume barebox just can't communicate with the phy because the phy is in SPI mode. Sascha -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
