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IMX8M_how to write LPDDR4 MR26/MR33 mode register?

Question asked by Alex Jiang on Jul 25, 2019
Latest reply on Jul 26, 2019 by igorpadykov

IMX8M_how to write LPDDR4 MR26 mode register?

Platform: IMX8M + 4Gb 2channel 32bit LPDDR4;


1. We need to use LPDDR4 mode register: MR26/MR33(in JEDEC this MR26 is RFU),

    so we want to write a code to MR26/MR33,how to operate?

1> if IMX8M have register map to MR26/MR33, we can write the register address;

2> or if we can send the command: MRW  in uboot? how to operate?