Xilinx GMII2RGMII converter

Table of Contents

Introduction

This page describes the Xilinx GMII2RGMII converter IP which can be found at /drivers/net/phy/xilinx_gmii2rgmii.c
This converter can be used with any MAC device, either axi ethernet or Zynq/Zynq Ultrascale+ MPSoC GEM.
Paths, files, links and documentation on this page are given relative to the Linux kernel source tree.

HW IP features

  • GMII2RGMII conversion

Features supported in driver

  • GMII2RGMII conversion

Missing Features, Known Issues and Limitations

  • None

Kernel Configuration

This following config option is required to enable this converter driver:
XILINX_GMII2RGMII

Devicetree


Test Procedure

This phy can be tested with any MAC using general ethernet test procedures like ping, iperf/netperf.
Refer to http://www.wiki.xilinx.com/Macb+Driver#Test Procedure

Mainline status

This driver is currently in sync with mainline except for the following diff:
  • Minor warning fix for mdiobus_return (1 line)
Change Log

2020.2

Summary

Minor warning fix

Commits:

https://github.com/Xilinx/linux-xlnx/commits/xilinx-v2020.2/drivers/net/phy/xilinx_gmii2rgmii.c

2020.1

Summary

Minor bugfix to sync priv field usage with mainline driver

Commits:

https://github.com/Xilinx/linux-xlnx/commits/xilinx-v2020.1/drivers/net/phy/xilinx_gmii2rgmii.c

2019.2

Summary

  • Bug fixes

Commits:

b145197 net: gmii2rgmii: do not attach if phy has a priv field

a233487 net: gmii2rgmii: Switch priv field in mdio device structure


2019.1
Summary
  • Bug fixes

Commits:

b6c2c44 net: gmii2rgmii: Add check before calling phy read status
2018.3
Summary:
  • Bug fixes

Commits:

316b316 net: phy: xgmiitorgmii: Use correct mdio bus
ce6851a net: phy: xgmiitorgmii: Check read_status results

2018.2
Summary:
  • Enable gmii2rgmii in ZynqMP defconfig and fix an error when external phy driver is not registered.
Commits:
c2ba891 arm64: zynqmp: Enable GMII2RGMII driver in ZynqMP defconfig
d937ecc phy: gmii2rgmii: Add check for external phy driver

2018.1
None

2017.4
None

2017.3
Summary:
  • Bugfix
Commits:
7eb5f81 net: phy: Fix mask value write on gmii2rgmii converter speed register

2017.2
None

2017.1
None

Related Links