Re: [solved] DDR SCL failed
Did you every find a solution to the internal DDR running at half speed? I am a having the same issue on a custom board. The DDR will not initialize when the DDR clock is set to 400MHz, but will work at 200MHz. I've have compared my setup to the example found in harmony and the only difference was the ODT setting for writes and the DDR type was set to internal which was not what the example had(Micron MT47H64M16). I believe that it may be the timing parameters are not set right.
If you have solved the problem could you please post your solution.