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TDA4VM: TDA4VM SOM ver. E8A DDR Queestion

Part Number: TDA4VM

Hi,

     Recently, I try to reduce SOM ver. E8A DDR speed with SDK8.0 by using instructions : https://e2e.ti.com/support/processors-group/processors/f/processors-forum/1018486/tda4vm-j721e-out-of-the-box-demos-question/3768131#3768131

   I have done it with SDK 7.03 successfully.  However, with SDK 8.0, I have trouble when I try to apply  git revert  eea73800730b3d9125f5c12a629db2f88e566b71 . I will get following error message:

andre@azimuth:~/jacinto_ws/linux-j7-evm-08_00_00_08/board-support/u-boot-2021.01+gitAUTOINC+53e79d0e89-g53e79d0e89$ git revert  eea73800730b3d9125f5c12a629db2f88e566b71

warning: inexact rename detection was skipped due to too many files.

warning: you may want to set your merge.renamelimit variable to at least 2161 and retry the command.

error: could not revert eea7380073... arm: dts: k3-j721e: ddr: Update to 0.5.0 version of DDR config tool

hint: after resolving the conflicts, mark the corrected paths

hint: with 'git add <paths>' or 'git rm <paths>'

hint: and commit the result with 'git commit'

1. Can you please help to check how to solve this problem? I have to reduce DDR speed on SOM ver, E8A to make it work.

2. Several customers got the same version of SOM, they all experience the same issue. May I know  the reason why we need to reduce DDR speed?

Regards

Andre