Arria V GX (5AGXMB7) with Elpida DDR3 calibration passes, doesn't work

Hi! Has anybody tried working with Arria V GX Hard IP DDR3 UniPHY connected to a DDR3 successfully? In my case it is 5AGXMB7 connected to two Elpida (now Micron) EDJ4216EFBG-GN-F in x32 configur...