Hi,
the Evalboard imx8mn_ddr4_evk has ddr4 ram (no lpddr4)
in the imx8mn_ddr4_evk_defconfig is referred to arch/arm/mach-imx/imx8m/imximage.cfg File
in this File is config plddr4 and not ddr4
..
DDR_FW lpddr4_pmu_train_1d_imem.bin
DDR_FW lpddr4_pmu_train_1d_dmem.bin
DDR_FW lpddr4_pmu_train_2d_imem.bin
DDR_FW lpddr4_pmu_train_2d_dmem.bin
..
is that correct?
or should another file be used, like imximage_ddr4.cfg?
that used
DDR_FW ddr4_imem_1d.bin
DDR_FW ddr4_dmem_1d.bin
DDR_FW ddr4_imem_2d.bin
DDR_FW ddr4_dmem_2d.bin
Sourcecode : https://source.codeaurora.org/external/imx/uboot-imx branch imx_v2019.04_4.19.35_1.1.0
Regards
Klaus