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Linux/am5728: DDR bit swapping

user434799
Prodigy 190 points
Part Number: AM5728

Tool/software: Linux

How to change ddr bit mapping in software?

In EVB, we can find DQ3《-》D2. Where is uppper saying code?

  • 0
    TI__Guru**** 393215 points
    It's permitted to swap bits within a byte lane to facilitate PCB routing. The only exception is the least senior bit (e.g. D0 in the picture above). However bits cannot be swapped between bytes. No software changes are needed.