[U-Boot-Users] MPC8540 gigabit ethernet

[Scott Harper]

That was one of the first things we checked.  It is now configured exactly the 
same as the ADS board.  Still the same problems.

Thank you for you help.

Scott

On Monday 13 September 2004 20:59, Andy Fleming wrote:
> One tricky thing about that Marvell PHY is the CONFIG pins, which set
> up a bunch of default values.  The u-boot driver resets some of those
> settings (to make sure that all the supported speed and duplex options
> are advertised), but there are some settings which the driver doesn't
> bother to change.  If one of those settings is screwed up, then
> strange things can happen.
>
> So check the sanity of the settings.  :)
>
> Andy Fleming
>
> On Mon, 13 Sep 2004 17:35:38 -0700, Scott Harper <scott at lassen.com> wrote:
> > Hello,
> >
> > We are having problem getting gigbit ethernet working with u-boot on our
> > board.  I suspect that we have a hardware problem but I am double
> > checking to make sure that I am not missing anything.
> >
> > u-boot with 8540ADS board and gigabit works fine.
> > u-boot with our 8540 board gigabit has checksum errors as seen by
> > etherreal. our 8540 board 100Mbit works fine in all modes.
> >
> > We are using the same PHY as the 8540ADS (Marvell 88E1011S)
> >
> > Since 100Megabit works and Gigabit doesn't have I missed a configuration
> > or is this really a hardware problem.
> >
> > Scott
> >
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