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https://github.com/brain-hackers/u-boot-brain
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e6c4c9d060
Add a README for users to build a workable image. Reviewed-by: Fabio Estevam <festevam@gmail.com> Signed-off-by: Peng Fan <peng.fan@nxp.com>
38 lines
962 B
Plaintext
38 lines
962 B
Plaintext
U-Boot for the NXP i.MX8MN 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 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 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_4.19.35_1.1.0
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$ make PLAT=imx8mn bl31
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$ cp build/imx8mn/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-8.5.bin
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$ chmod +x firmware-imx-8.5.bin
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$ ./firmware-imx-8.5
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$ cp firmware-imx-8.5/firmware/ddr/synopsys/ddr4*.bin $(srctree)
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Build U-Boot
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============
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$ export CROSS_COMPILE=aarch64-poky-linux-
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$ make imx8mn_ddr4_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 MicroSD card offset 32KB
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$sudo dd if=flash.bin of=/dev/sd[x] bs=1024 seek=32
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Boot
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====
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Set Boot switch to SD boot
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