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- U-Boot for the Beacon EmbeddedWorks Devkit
- Quick Start
- ===========
- - Build the ARM Trusted firmware binary
- - Get ddr firmware
- - Build U-Boot
- - Boot
- Get and Build the ARM Trusted firmware
- ======================================
- Note: $(srctree) is U-Boot source directory
- $ git clone https://source.codeaurora.org/external/imx/imx-atf
- $ git checkout imx_4.19.35_1.0.0
- $ make PLAT=imx8mm bl31 ARCH=arm CROSS_COMPILE=aarch64-linux-gnu-
- $ cp build/imx8mm/release/bl31.bin $(srctree)
- Get the DDR firmware
- ====================
- $ wget https://www.nxp.com/lgfiles/NMG/MAD/YOCTO/firmware-imx-8.5.bin
- $ chmod +x firmware-imx-8.5.bin
- $ ./firmware-imx-8.5
- $ cp firmware-imx-8.5/firmware/ddr/synopsys/lpddr4*.bin $(srctree)
- Build U-Boot
- ============
- $ make imx8mm_beacon_defconfig
- $ make flash.bin CROSS_COMPILE=aarch64-linux-gnu- ATF_LOAD_ADDR=0x920000
- Burn U-Boot to microSD Card
- ===========================
- $ sudo dd if=flash.bin of=/dev/sd[x] bs=1024 seek=33
- Boot
- ====
- Set Boot switch to SD boot
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