Re: EST SBC8260 and Canary CTX-1170

On Thu, Mar 08, 2001 at 07:36:05PM -0500, Dan Malek wrote:

Oliver Brown wrote:

quoted

I can't generate any traffic on the fast ethernet port.

The CTX-1170 worked at one time on the EST board.  Unfortunately,
I had to make little changes for just about every different 8260
board I have seen.  Further, my EST boards have all failed in some
way or another so I can't even test this anymore.

Even when it "worked", I had trouble with some 10/100 switches.

I've noticed this as well.  In my case, the problem was
because the PHY was advertising and connecting full-duplex
and the CPM was doing half-duplex -- yet another problem due
to inadequate PHY communication.

Also, there is a problem with the 8260 CPM generating spurious
TX underrun errors and late collisions -- the driver does things
according to the spec, but there is an errata about this problem.
I'm about halfway through a fix for this.  The problem only
seems to occur on 10 Mbit hubs.




dave...


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David Schleef wrote:

.... but there is an errata about this problem.
I'm about halfway through a fix for this.

That should have been checked in long ago....maybe I messed up
and only put it into one of the kernel trees.  I'll check into it.

My plan with the MII control/status was to utilize the new
configurable PHY support that several people contributed to
the MPC8xx FEC driver.  Two problems occurred.  One is that it
just took too long to develop, and the second is it relied on
the async/interrupt capability of the FEC.  It will get there
for the 8260...


	-- Dan

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