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JH7110
Ethernet Developing and Porting Guide
JH7110
EVB
VisionFive 2
Version: 1.0
Date: 2022/12/30
Doc ID: JH7110-PGEN-001
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Legal Statements
Important legal notice before reading this documentation.
Preface
About this guide and technical support information.
Introduction
Device Tree Overview
Device Tree Source Code
Ethernet Introduction
About Ethernet
Ethernet Device Framework
GMAC Source Code Structure
Configuration
U-Boot Initialization
U-Boot Source Code Structure
U-Boot Boot-up Process
Adding a New Ethernet Driver
Ethernet Driver Structure
Adding a New PHY
Enable PHY on U-Boot
PHY Device Initialization
Driver Verification
Verification Environment
New Driver Verification
Access PHY via MIDO Command
PING - Digital Loopback
Debug Methods
General Debug Commands
General Troubleshooting Procedures
Known Issue
Ethernet GMAC Supports RGMII Only
