2020-05-11 12:45:51 +00:00
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U-Boot for the NXP i.MX8MP EVK board
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Quick Start
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===========
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- Build the ARM Trusted firmware binary
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- Get the firmware-imx package
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- Build U-Boot
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- Boot
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Get and Build the ARM Trusted firmware
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======================================
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Note: $(srctree) is the U-Boot source directory
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Get ATF from: https://source.codeaurora.org/external/imx/imx-atf
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branch: imx_5.4.3_2.0.0
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$ make PLAT=imx8mp bl31
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$ sudo cp build/imx8mp/release/bl31.bin $(srctree)
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Get the ddr firmware
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====================
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$ wget https://www.nxp.com/lgfiles/NMG/MAD/YOCTO/firmware-imx-8.7.bin
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$ chmod +x firmware-imx-8.7.bin
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$ ./firmware-imx-8.7
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$ sudo cp firmware-imx-8.7/firmware/ddr/synopsys/lpddr4_pmu_train_1d_dmem_201904.bin $(srctree)/lpddr4_pmu_train_1d_dmem.bin
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$ sudo cp firmware-imx-8.7/firmware/ddr/synopsys/lpddr4_pmu_train_1d_imem_201904.bin $(srctree)/lpddr4_pmu_train_1d_imem.bin
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$ sudo cp firmware-imx-8.7/firmware/ddr/synopsys/lpddr4_pmu_train_2d_dmem_201904.bin $(srctree)/lpddr4_pmu_train_2d_dmem.bin
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$ sudo cp firmware-imx-8.7/firmware/ddr/synopsys/lpddr4_pmu_train_2d_imem_201904.bin $(srctree)/lpddr4_pmu_train_2d_imem.bin
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Build U-Boot
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============
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$ export CROSS_COMPILE=aarch64-poky-linux-
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$ make imx8mp_evk_defconfig
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$ export ATF_LOAD_ADDR=0x960000
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$ make flash.bin
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Burn the flash.bin to the MicroSD card at offset 32KB
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2020-10-14 09:11:59 +00:00
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$sudo dd if=flash.bin of=/dev/sd[x] bs=1K seek=32 conv=notrunc; sync
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2020-05-11 12:45:51 +00:00
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Boot
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====
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Set Boot switch to SD boot
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Use /dev/ttyUSB2 for U-Boot console
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