Re: [PATCH] gianfar: Omit TBI auto-negotiation based on device tree

2008-11-03 Thread Kumar Gala
On Nov 3, 2008, at 12:55 PM, Nate Case wrote: On Thu, 2008-10-30 at 18:07 -0700, Trent Piepho wrote: But more relevant to your serdes problem, I also have a patch that prevents restarting serdes auto-negotiation if the serdes link is already up. My SGMII PHY will auto-negotiate, but it takes a

Re: [PATCH] gianfar: Omit TBI auto-negotiation based on device tree

2008-11-03 Thread Nate Case
On Thu, 2008-10-30 at 18:07 -0700, Trent Piepho wrote: > But more relevant to your serdes problem, I also have a patch that > prevents > restarting serdes auto-negotiation if the serdes link is already up. > My SGMII > PHY will auto-negotiate, but it takes about 3 seconds. Avoiding an > unnecessar

Re: [PATCH] gianfar: Omit TBI auto-negotiation based on device tree

2008-10-30 Thread Trent Piepho
On Tue, 28 Oct 2008, Nate Case wrote: > Some SGMII PHYs don't auto-negotiate correctly with the TBI+SerDes > interface on the mpc85xx processors. Check for the "sgmii-aneg-disable" > device tree flag and skip enabling auto-negotiation on the TBI > side if present. Full duplex 1000 Mbit/s will be

[PATCH] gianfar: Omit TBI auto-negotiation based on device tree

2008-10-28 Thread Nate Case
Some SGMII PHYs don't auto-negotiate correctly with the TBI+SerDes interface on the mpc85xx processors. Check for the "sgmii-aneg-disable" device tree flag and skip enabling auto-negotiation on the TBI side if present. Full duplex 1000 Mbit/s will be assumed for the SGMII link to the PHY (note th