Eth1 init and link status
Josh Boyer
jwboyer at linux.vnet.ibm.com
Thu Sep 20 00:02:08 EST 2007
On Wed, 19 Sep 2007 13:54:35 +0000
"- Reyneke" <reynekejunk at hotmail.com> wrote:
> HI,
>
> We've run into a bit of an odd problem and we are not sure where to go and
> look for the cause.
>
> We have some 440EPx based hardware with two GIG-Ethernet ports using RGMII
> and 2x ET1011C PHY's. Problem is that eth1 will only initialise correctly
> (i.e. receive and transmit) if eth0 has a link. Eth0 always work OK,
> regardless of eth1 status. Eth1 will work OK if eth0 has a link (i.e.
> initialised) at time of setup. Once initialised, eth0 status is irrelevant.
> All this is during Linux boot process.
>
> Any ideas?
>
> We can access PHY registers via u-boot (mii commands). Same 1Gig link speed
> is used on both ports. Linux kernel is 2.6.19.
Where did you get your kernel from? 2.6.19 doesn't have any 440EPx
support in it. Maybe you should ask your vendor.
josh
More information about the Linuxppc-embedded
mailing list