---------------------------- Step 1 : Script to build the prepare the image. --------------------------- #!/bin/bash +x wget http://os.archlinuxarm.org/os/ArchLinuxARM-aarch64-latest.tar.gz FILE=/dev/mmcblk0p1 if [ -b "$FILE" ]; then export DISK=/dev/mmcblk0 sudo sudo wipefs -a ${DISK}p1 sudo dd if=/dev/zero of=${DISK} bs=1M count=512 sudo sfdisk ${DISK} <<-__EOF__ 16M,,L,* __EOF__ sudo mkfs.ext4 ${DISK}p1 sync sudo mount ${DISK}p1 root sync sudo bsdtar -xpf ArchLinuxARM-aarch64-latest.tar.gz -C root sync # create custom boot.scr mkimage -A arm -O linux -T script -C none -n "Arch U-Boot boot script Odroid N2" -d boot-odroidn2.txt boot.scr sudo cp -v boot.scr root/boot/ sync sudo umount root else echo "$FILE does not exist" fi ---------------------- my boot-odroidn2.txt converted to boot.scr ---------------------- # After modifying, run ./mkscr test -n "${distro_bootpart}" || setenv distro_bootpart 1 part uuid ${devtype} ${devnum}:${distro_bootpart} uuid setenv bootargs "console=ttyAML0,115200n8 root=PARTUUID=${uuid} rw rootwait earlycon no_console_suspend" if load ${devtype} ${devnum}:${distro_bootpart} ${kernel_addr_r} /boot/Image; then if load ${devtype} ${devnum}:${distro_bootpart} ${fdt_addr_r} /boot/dtbs/${fdtfile}; then if load ${devtype} ${devnum}:${distro_bootpart} ${ramdisk_addr_r} /boot/initramfs-linux.img; then booti ${kernel_addr_r} ${ramdisk_addr_r}:${filesize} ${fdt_addr_r}; else booti ${kernel_addr_r} - ${fdt_addr_r}; fi; fi; fi ------------------------ Step 2: Build and flash the mainline u-boot to the sdcard / eMMC. ------------------------ #!/bin/bash set +x # U-Boot for ODROID-N2 rm u-boot-n2/fip/u-boot.bin.sd.bin git clone https://gitlab.denx.de/u-boot/u-boot.git u-boot-n2 cd u-boot-n2 # u-boot compilation # ================== git pull origin master export ARCH=arm64 export CROSS_COMPILE=aarch64-linux-gnu- make distclean make odroid-n2_defconfig all # ============== cd .. wget https://releases.linaro.org/archive/13.11/components/toolchain/binaries/gcc-linaro-aarch64-none-elf-4.8-2013.11_linux.tar.xz wget https://releases.linaro.org/archive/13.11/components/toolchain/binaries/gcc-linaro-arm-none-eabi-4.8-2013.11_linux.tar.xz tar xvfJ gcc-linaro-aarch64-none-elf-4.8-2013.11_linux.tar.xz tar xvfJ gcc-linaro-arm-none-eabi-4.8-2013.11_linux.tar.xz export PATH=$PWD/gcc-linaro-aarch64-none-elf-4.8-2013.11_linux/bin:$PWD/gcc-linaro-arm-none-eabi-4.8-2013.11_linux/bin:$PATH DIR=odroid-n2 git clone --depth 1 \ https://github.com/hardkernel/u-boot.git -b odroidn2-v2015.01 \ $DIR cd odroid-n2 git pull origin master make distclean make odroidn2_defconfig make export UBOOTDIR=$PWD # Go back to mainline U-Boot source tree then : cd ../u-boot-n2 mkdir fip wget https://github.com/BayLibre/u-boot/releases/download/v2017.11-libretech-cc/blx_fix_g12a.sh -O fip/blx_fix.sh cp -v $UBOOTDIR/build/scp_task/bl301.bin fip/ cp -v $UBOOTDIR/build/board/hardkernel/odroidn2/firmware/acs.bin fip/ cp -v $UBOOTDIR/fip/g12b/bl2.bin fip/ cp -v $UBOOTDIR/fip/g12b/bl30.bin fip/ cp -v $UBOOTDIR/fip/g12b/bl31.img fip/ cp -v $UBOOTDIR/fip/g12b/ddr3_1d.fw fip/ cp -v $UBOOTDIR/fip/g12b/ddr4_1d.fw fip/ cp -v $UBOOTDIR/fip/g12b/ddr4_2d.fw fip/ cp -v $UBOOTDIR/fip/g12b/diag_lpddr4.fw fip/ cp -v $UBOOTDIR/fip/g12b/lpddr4_1d.fw fip/ cp -v $UBOOTDIR/fip/g12b/lpddr4_2d.fw fip/ cp -v $UBOOTDIR/fip/g12b/piei.fw fip/ cp -v $UBOOTDIR/fip/g12b/aml_ddr.fw fip/ cp -v u-boot.bin fip/bl33.bin bash fip/blx_fix.sh \ fip/bl30.bin \ fip/zero_tmp \ fip/bl30_zero.bin \ fip/bl301.bin \ fip/bl301_zero.bin \ fip/bl30_new.bin \ bl30 bash fip/blx_fix.sh \ fip/bl2.bin \ fip/zero_tmp \ fip/bl2_zero.bin \ fip/acs.bin \ fip/bl21_zero.bin \ fip/bl2_new.bin \ bl2 $UBOOTDIR/fip/g12b/aml_encrypt_g12b --bl30sig --input fip/bl30_new.bin \ --output fip/bl30_new.bin.g12a.enc \ --level v3 $UBOOTDIR/fip/g12b/aml_encrypt_g12b --bl3sig --input fip/bl30_new.bin.g12a.enc \ --output fip/bl30_new.bin.enc \ --level v3 --type bl30 $UBOOTDIR/fip/g12b/aml_encrypt_g12b --bl3sig --input fip/bl31.img \ --output fip/bl31.img.enc \ --level v3 --type bl31 $UBOOTDIR/fip/g12b/aml_encrypt_g12b --bl3sig --input fip/bl33.bin --compress lz4 \ --output fip/bl33.bin.enc \ --level v3 --type bl33 --compress lz4 $UBOOTDIR/fip/g12b/aml_encrypt_g12b --bl2sig --input fip/bl2_new.bin \ --output fip/bl2.n.bin.sig $UBOOTDIR/fip/g12b/aml_encrypt_g12b --bootmk \ --output fip/u-boot.bin \ --bl2 fip/bl2.n.bin.sig \ --bl30 fip/bl30_new.bin.enc \ --bl31 fip/bl31.img.enc \ --bl33 fip/bl33.bin.enc \ --ddrfw1 fip/ddr4_1d.fw \ --ddrfw2 fip/ddr4_2d.fw \ --ddrfw3 fip/ddr3_1d.fw \ --ddrfw4 fip/piei.fw \ --ddrfw5 fip/lpddr4_1d.fw \ --ddrfw6 fip/lpddr4_2d.fw \ --ddrfw7 fip/diag_lpddr4.fw \ --ddrfw8 fip/aml_ddr.fw \ --level v3 ----------------------------------- Step 3: Flash the u-boot image ----------------------------------- FILE=/dev/mmcblk0 if [ -b "$FILE" ]; then DEV=/dev/mmcblk0 sudo dd if=fip/u-boot.bin.sd.bin of=$DEV conv=fsync,notrunc bs=512 skip=1 seek=1 sudo dd if=fip/u-boot.bin.sd.bin of=$DEV conv=fsync,notrunc bs=1 count=444 else echo "$FILE does not exist" fi --------------------------------- With this step you will have working build image to boot the kernel. --------------------------------- -------------------------------------- Step 4: For closs compile and build the kernel -------------------------------------- export GCC_COLORS=auto make ARCH=arm64 mrproper make ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- defconfig make ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- -j$(nproc) dtbs Image modules mkdir -p media sudo mount /dev/mmcblk0p1 ./media sudo cp -v arch/arm64/boot/Image ./media/boot/ sudo cp -v arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dtb ./media/boot/dtbs/amlogic/meson-gxbb-odroidc2.dtb sudo cp -v arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtb ./media/boot/dtbs/amlogic/meson-g12b-odroid-n2.dtb sudo make ARCH=arm64 LOCALVERSION=-xmlt modules_install INSTALL_MOD_PATH=./media && sync && sudo umount ./media && sudo rm -rf ./media