Dear Alexandre Pereira da Silva, > On Thu, Jul 11, 2013 at 4:55 PM, Marek Vasut <ma...@denx.de> wrote: > > Dear Alexandre Pereira da Silva, > > > >> Hi, > >> > >> I am trying to make my ethernet work with u-boot on a custom IMX28 > >> board. > >> > >> This board uses the micrel KSZ8021 phy. > >> > >> The network works fine on linux but won't work properly on u-boot. > >> > >> Here is the output: > >> => dhcp > >> BOOTP broadcast 1 > >> DHCP client bound to address 192.168.1.103 > >> Using FEC device > >> TFTP from server 192.168.1.54; our IP address is 192.168.1.103 > >> Filename 'uImage'. > >> Load address: 0x42000000 > >> Loading: T T T T > >> > >> I am using the apx4devkit board configuration > > > > Seems unmaintained :-( > > > >> as a base for my port, > >> but adapted the phy setting to the KSZ8021 needed value. If that phy > >> configuration value is wrong, it doesn't even get an IP address from > >> DHCP. > >> > >> Marek's patch about cache didn't help much in my case. > > > > Try "dcache off" on command line, do you have any luck then ? > > dcache off doesn't help either. > > > Also try copying the network section from M28EVK, as M28EVK uses KSZ8021 > > PHYs. I also noticed the M28EVK resets the PHYs, so maybe you need to > > handle that ? On M28EVK this is handled in board/denx/m28evk/m28evk.c > > By mistake, I forgot to add reset pin for the phy, so I am leaving the > phy always enabled.
You really should reset it upon boot, it might be in some confused state. > I did try using M28EVK and MX28EVK board ports as well, but none worked so > far. Can you elaborate? > Do I have do anything special for the NC pins of IMX280? No, just make sure your ethernet pinmux is correct too. > > Moreover, check if your CLKCTRL ENET settings are correct, that's also > > handled in the same function as the PHY reset on M28EVK I think (or at > > least in the same section). > > That doesn't seem to be wrong. I see a clean 50MHZ clock on that pin. Make sure to check the direction too, it can go either from phy to fec or the other way IIRC. Best regards, Marek Vasut _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
