@pocopico, @fbelavenuto   It seems that you have selected the SA6400 as the test target model based on the current kernel 5.X. It is still known as ongoing. I think that solving the following SA3600 issues in advance will help develop the SA6400 as well.   I'd like to find out what the SA3600 and SA6400 have in common and talk about future development of the SA6400 in this thread.   I recently added the SA3600 based on the broadwellnk platform as a TCRP model by