[U-Boot-Users] MPC8540 gigabit ethernet

[Andy Fleming]

Does the driver report the speed properly?
Which version of the kernel are you using?
I'm happy to help, though right now it looks very much like a hardware
problem.  :(

Andy

On Tue, 14 Sep 2004 08:21:41 -0700, Scott Harper <scott at lassen.com> wrote:
> 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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