SNLA343A
April 2020 – July 2021
DP83825I
Trademarks
1
Introduction
2
Device Overview
3
Merging DP83825 Onto Sitara Steps
3.1
Step 1 – DP83825 vs. DP83822
3.2
Step 2 – Check 8710A Pins with AM335
3.3
Step 3 – De-populate the LAN8710A from AM335 EVM - BBB
3.4
Step 4 – Check the AM335 (BBB) RMII Connection Pins
3.5
Step 5 – Check the DP83825 Connection Pins
3.6
Step 6 – PinMux Tool To Generate DTS/DTSI Files.
3.7
Step 7 – DP83822 Code Base Review
3.8
Step 8 – DP83825 Code Base Review / Patch Adaption
3.9
Step 9 – Patch the Linux uboot/kernel
3.10
Step 10 – Change the Menu Config
3.11
Step 11 – Building the Components (menuconfig/dtb/zimage)
3.12
Step 12 – (Optional) Important Fix for DTS Build
3.13
Step 13 – Copy the Built Files onto the SD Card
3.14
Step 14 – Register Checking for the DP83825.
3.15
Step 15 – Linux Command To Assist The Debug
3.16
Step 16 – Linux ethtool Command Dumps (example)
3.17
Step 17 – Linux dmesg to Check the Ethernet Driver Status.
3.18
Step 18 – Testing Result with Detail Log Analysis (Success Case).
3.19
Step 19 – YouTube Demonstration Video
4
Required Hardware and Software
4.1
Hardware
4.2
Software
5
References
6
Revision History
4.1
Hardware
TI AM335 BeagleBoneBlask Version C
TI DP83825 EVM