T4080 custom board uses granular DDR, may I ask where to modify the parameters of DDR.
You need to modify board/freescale/t4rdb/ddr.h in u-boot source code.
You could refer to this document for reference.
How to determine the value of the red box below。
If you use CodeWarrior TAP Ethernet connection, please enter IP address of the CodeWarrior TAP.
If you use CodeWarrior TAP USB connection, no need to fill this box.