Hello,
Since "pattern should match address " - high two bytes do not match in Your case.
Look at U2 (16~31 bit) and U4 (48~63 bit).
Also, please try to check the design, using section 1.1 (Schematic and Layout Design Rules) of the DDR3
Porting Guide
Freescale i.MX6 DRAM Port Application Guide-DDR3
In particular, there is an Excel page named “MX6 DRAM Bus Length Check” in “HW Design Checking List
for i.Mx6”. Designer can use it for layout self-checking. Input trace length of the design into cells in pink circle then, the bottom cell in same column may change to red color if layout breaks the rule.
Recent design checklist may be found at
HW_Design_Checking_List_for_i.MX6DQP6DQ6SDL
Have a great day,
Yuri
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