2020-05-03 13:11:33 +00:00
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U-Boot for the Beacon EmbeddedWorks Devkit
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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 ddr firmware
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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: $(srctree) is U-Boot source directory
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$ git clone https://source.codeaurora.org/external/imx/imx-atf
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$ git checkout imx_4.19.35_1.0.0
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$ make PLAT=imx8mm bl31 ARCH=arm CROSS_COMPILE=aarch64-linux-gnu-
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$ cp build/imx8mm/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/lpddr4*.bin $(srctree)
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Build U-Boot
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============
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$ make imx8mm_beacon_defconfig
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2020-05-26 18:36:49 +00:00
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$ make flash.bin CROSS_COMPILE=aarch64-linux-gnu- ATF_LOAD_ADDR=0x920000
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2020-05-03 13:11:33 +00:00
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Burn U-Boot to microSD Card
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===========================
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$ sudo dd if=flash.bin of=/dev/sd[x] bs=1024 seek=33
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Boot
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====
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Set Boot switch to SD boot
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