MicroZed PHY timeout

[Kinsey Moore]

As far as I know, the Zynq LibBSD CGEM support hasn't changed much beyond the updates to support ZynqMP variants of the peripheral. Are you building LibBSD master or 6-freebsd-12?

Kinsey

-----Original Message-----
From: users <users-bounces at rtems.org> On Behalf Of Richard VanderWal
Sent: Tuesday, March 12, 2024 11:34 AM
To: RTEMS Users <users at rtems.org>
Subject: MicroZed PHY timeout

Good Morning, 

We are moving our RTEMS 5.1 application on ARM 32 MicroZed hardware (BSP arm/xilinx_zynq_zedboard) to the latest RTEMS master. We have found that the cgem0 interface no longer is initialized and we’re seeing a “phy read timeout: 1” message during boot. This appears to be happening in a call to cgem_miibus_readreg called from cgem_probe. 

We’re running on actual Avnet MicroZed board not anything custom. 

Has anyone else encountered this? Any help is appreciated. 

Thanks in advance!
Rick VanderWal


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