.. SPDX-License-Identifier: GPL-2.0+ U-Boot for ODROID-C4 (S905X3) ============================= ODROID-C4 is a Single Board Computer manufactured by Hardkernel with the following specifications: - Amlogic S905X3 Arm Cortex-A55 quad-core SoC - 4GB DDR4 SDRAM - Gigabit Ethernet - HDMI 2.1 display - 40-pin GPIO header - 4x USB 3.0 Host - 1x USB 2.0 Host/OTG (micro) - eMMC, microSD - UART serial - Infrared receiver Schematics are available on the manufacturer website. U-Boot Compilation ------------------ .. code-block:: bash $ export CROSS_COMPILE=aarch64-none-elf- $ make odroid-c4_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 odroid-c4 /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 so it is necessary to obtain binaries from sources published by the board vendor: .. 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 $ DIR=odroid-c4 $ git clone --depth 1 \ https://github.com/hardkernel/u-boot.git -b odroidg12-v2015.01 \ $DIR $ cd odroid-c4 $ make odroidc4_defconfig $ make $ export UBOOTDIR=$PWD Go back to the mainline U-Boot source tree then: .. code-block:: bash $ 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 $UBOOTDIR/build/scp_task/bl301.bin fip/ $ cp $UBOOTDIR/build/board/hardkernel/odroidc4/firmware/acs.bin fip/ $ cp $UBOOTDIR/fip/g12a/bl2.bin fip/ $ cp $UBOOTDIR/fip/g12a/bl30.bin fip/ $ cp $UBOOTDIR/fip/g12a/bl31.img fip/ $ cp $UBOOTDIR/fip/g12a/ddr3_1d.fw fip/ $ cp $UBOOTDIR/fip/g12a/ddr4_1d.fw fip/ $ cp $UBOOTDIR/fip/g12a/ddr4_2d.fw fip/ $ cp $UBOOTDIR/fip/g12a/diag_lpddr4.fw fip/ $ cp $UBOOTDIR/fip/g12a/lpddr3_1d.fw fip/ $ cp $UBOOTDIR/fip/g12a/lpddr4_1d.fw fip/ $ cp $UBOOTDIR/fip/g12a/lpddr4_2d.fw fip/ $ cp $UBOOTDIR/fip/g12a/piei.fw fip/ $ cp $UBOOTDIR/fip/g12a/aml_ddr.fw fip/ $ cp u-boot.bin fip/bl33.bin $ sh 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 $ sh 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/g12a/aml_encrypt_g12a --bl30sig --input fip/bl30_new.bin \ --output fip/bl30_new.bin.g12a.enc \ --level v3 $ $UBOOTDIR/fip/g12a/aml_encrypt_g12a --bl3sig --input fip/bl30_new.bin.g12a.enc \ --output fip/bl30_new.bin.enc \ --level v3 --type bl30 $ $UBOOTDIR/fip/g12a/aml_encrypt_g12a --bl3sig --input fip/bl31.img \ --output fip/bl31.img.enc \ --level v3 --type bl31 $ $UBOOTDIR/fip/g12a/aml_encrypt_g12a --bl3sig --input fip/bl33.bin --compress lz4 \ --output fip/bl33.bin.enc \ --level v3 --type bl33 --compress lz4 $ $UBOOTDIR/fip/g12a/aml_encrypt_g12a --bl2sig --input fip/bl2_new.bin \ --output fip/bl2.n.bin.sig $ $UBOOTDIR/fip/g12a/aml_encrypt_g12a --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 \ --ddrfw9 fip/lpddr3_1d.fw \ --level v3 Then write the image 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