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AR# 71352

Zynq-7000 SoC - PS Gigabit Ethernet MAC (GEM) Controller - Release Notes and Known Issues Master Article

Description

This master Answer Record lists known issues of the Gigabit Ethernet MAC (GEM) Controller in PS on Zynq-7000 devices.

Customer should also refer to Errata for known issues.

Solution

General Information

On Zynq-7000 devices, we have 2 GEMs in PS which are becoming more popular with customers who wish to save PL resources for Ethernet communication. 

We provide a MACB Linux driver and EMACPS stand-alone driver for the Gigabit Ethernet MAC (GEM) Controller IP. 

The supported features for each are listed on the below wiki pages:

 
 



Hardware Support:

Answer Record Number Answer Record Title Version Found Version Resolved
(Xilinx Answer 62833) Zynq-7000 AP SoC, GEM How do you use RGMII via MIO in a 7Z010 device? N/A N/A
(Xilinx Answer 59166) Zynq-7000 SoC - At what IOStandards can the Gigabit Ethernet Controllers run? N/A N/A
(Xilinx Answer 52028) Zynq-7000 SoC, GigE - Receive Path Lock-Up Might Occur When a Large Number of Receive Resource Errors are Generated See Answer Record See Answer Record
(Xilinx Answer 52027) Zynq-7000 SoC, GigE - Packets up to 1536 bytes are Allowed with VLAN Tagging See Answer Record See Answer Record
(Xilinx Answer 52025) Zynq-7000 SoC, GigE - Unicast and Broadcast Pause Frames Received by the Controller are not Filtered Out See Answer Record See Answer Record
(Xilinx Answer 52019) Zynq-7000 SoC, GigE - Ethernet TxDMA Might Hang N/A N/A

 

 

Linux:

Answer Record Number Answer Record Title Version Found Version Resolved
(Xilinx Answer 70631) Deprecated emacps Linux driver removed from Xilinx tree See Answer Record See Answer Record
(Xilinx Answer 66670) Zynq-7000 SoC - Linux - Macb performance is not equal/comparable in both directions when using "iperf -d" See Answer Record See Answer Record
(Xilinx Answer 65369) 2015.2 - QEMU - How can I use two GEM on Zynq in QEMU 2015.2 See Answer Record
(Xilinx Answer 59554) PetaLinux - What Is The Correct Device Tree (DTS) Syntax for Dual Ethernet (MIO configuration) in Zynq-7000 ? See Answer Record See Answer Record

 

 

Baremetal:

 

Answer Record Number Answer Record Title Version Found Version Resolved
(Xilinx Answer 63495) 2014.4 SDK - LwIP PHY Support 2014.4 See Answer Record
(Xilinx Answer 62652) Zynq 7000, GEM - How do I generate WOL interrupts? 2014.3

See Answer Record

 

 




Note: The "version found" column lists the version where the problem was first discovered. 

The problem might also exists in earlier versions, but no specific testing has been performed to verify earlier versions.

AR# 71352
Date 10/24/2018
Status Active
Type Known Issues
Devices
Tools
IP
Boards & Kits
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