IMX8M nano lpddr4

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IMX8M nano lpddr4

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Contributor III

Hi all:

     In our imx8mn+LPDDR4 board, the copy rate of DDR tested with sysbench is 2660 MiB/s.
but in imx8mnEVK(lpddr4) ,the copy rate is 3200 MiB/s.Our board are much slower than imx8mnEVK boards.

    We used MSCALE_DDR_Tool to execute the DDR training, code generation and stress test.There is no problem.
    We want to know what causes this problem?

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Contributor III

The CPU frequency does not increase because the PMIC configuration is abnormal

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Contributor III

The CPU frequency does not increase because the PMIC configuration is abnormal

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Rita_Wang
NXP TechSupport
NXP TechSupport

How the LPDDR4 you are using, with the 2660 MiB/s?

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