On Mon, 2008-04-14 at 19:38 +0200, M B wrote: > Hi, > I'm trying to get the new_emac driver (linux 2.6.25-rc8) running on my > 405EP board with a KSZ8721BT Micrel/Kendin PHY. > I've already found 2 problems/missing features: > 1) 100 retries in __emac_mdio_read for the read to complete are > slightly too less. 101 seem to be enough. But we could add a bit more, > because there is no negative effect for faster chips. > 2) On the 405EP only the MDIO pin of the emac0 is pinned out, so both > phys have to be accessed through this one. This affectes the mdio > read/write functions.
The later can easily be described in the device-tree as it's a fairly common setup. > I've already hacked around this problems, but ethernet is still not working. > After bringing up the device dmesg is flooded with this section. > emac/plb/opb/[EMAIL PROTECTED]: link timer > emac/plb/opb/[EMAIL PROTECTED]: mdio_read(00,01) > emac/plb/opb/[EMAIL PROTECTED]: mdio_read -> 786d > emac/plb/opb/[EMAIL PROTECTED]: mdio_read(00,01) > emac/plb/opb/[EMAIL PROTECTED]: mdio_read -> 786d > > > Any ideas where I should start looking? The above is the timer polling the link, you may want to remove that debug once it looks sane. Ben. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
