.. SPDX-License-Identifier: GPL-2.0+ U-Boot for Amlogic Q200 (S912) ============================== Q200 is a reference board manufactured by Amlogic with the following specifications: - Amlogic S912 ARM Cortex-A53 octo-core SoC @ 1.5GHz - ARM Mali T860 GPU - 2/3GB DDR4 SDRAM - 10/100/1000 Ethernet - HDMI 2.0 4K/60Hz display - 2x USB 2.0 Host - 1x USB 2.0 Device - 16GB/32GB/64GB eMMC - 2MB SPI Flash - microSD - SDIO Wifi Module, Bluetooth - IR receiver U-Boot Compilation ------------------ .. code-block:: bash $ export CROSS_COMPILE=aarch64-none-elf- $ make khadas-vim2_defconfig $ make U-Boot Signing with Pre-Built FIP repo -------------------------------------- .. code-block:: bash $ git clone https://github.com/LibreELEC/amlogic-boot-fip --depth=1 $ cd amlogic-boot-fip $ mkdir my-output-dir $ ./build-fip.sh q200 /path/to/u-boot/u-boot.bin my-output-dir U-Boot Manual Signing --------------------- Amlogic does not provide sources for the firmware and tools needed to create a bootloader image but sources have been shared by Linux development contractor, Baylibre: .. code-block:: bash $ 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 $ git clone https://github.com/BayLibre/u-boot.git -b n-amlogic-openlinux-20170606 amlogic-u-boot $ cd amlogic-u-boot $ make gxm_q200_v1_defconfig $ make $ export FIPDIR=$PWD/fip Go back to the mainline U-Boot source tree then: .. code-block:: bash $ mkdir fip $ cp $FIPDIR/gxl/bl2.bin fip/ $ cp $FIPDIR/gxl/acs.bin fip/ $ cp $FIPDIR/gxl/bl21.bin fip/ $ cp $FIPDIR/gxl/bl30.bin fip/ $ cp $FIPDIR/gxl/bl301.bin fip/ $ cp $FIPDIR/gxl/bl31.img fip/ $ cp u-boot.bin fip/bl33.bin $ $FIPDIR/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 $ python $FIPDIR/acs_tool.pyc fip/bl2.bin fip/bl2_acs.bin fip/acs.bin 0 $ $FIPDIR/blx_fix.sh \ fip/bl2_acs.bin \ fip/zero_tmp \ fip/bl2_zero.bin \ fip/bl21.bin \ fip/bl21_zero.bin \ fip/bl2_new.bin \ bl2 $ $FIPDIR/gxl/aml_encrypt_gxl --bl3enc --input fip/bl30_new.bin $ $FIPDIR/gxl/aml_encrypt_gxl --bl3enc --input fip/bl31.img $ $FIPDIR/gxl/aml_encrypt_gxl --bl3enc --input fip/bl33.bin $ $FIPDIR/gxl/aml_encrypt_gxl --bl2sig --input fip/bl2_new.bin --output fip/bl2.n.bin.sig $ $FIPDIR/gxl/aml_encrypt_gxl --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 Then write U-Boot to SD or eMMC with: .. code-block:: bash $ DEV=/dev/boot_device $ dd if=fip/u-boot.bin.sd.bin of=$DEV conv=fsync,notrunc bs=512 skip=1 seek=1 $ dd if=fip/u-boot.bin.sd.bin of=$DEV conv=fsync,notrunc bs=1 count=440