On Thu, Jul 11, 2013 at 4:55 PM, Marek Vasut marex@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.
I did try using M28EVK and MX28EVK board ports as well, but none worked so far.
Do I have do anything special for the NC pins of IMX280?
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.