diff options
Diffstat (limited to 'board/amlogic/p212')
| -rw-r--r-- | board/amlogic/p212/MAINTAINERS | 1 | ||||
| -rw-r--r-- | board/amlogic/p212/README.libretech-ac | 103 |
2 files changed, 104 insertions, 0 deletions
diff --git a/board/amlogic/p212/MAINTAINERS b/board/amlogic/p212/MAINTAINERS index 07ca6f204d..74ad3716ec 100644 --- a/board/amlogic/p212/MAINTAINERS +++ b/board/amlogic/p212/MAINTAINERS @@ -4,5 +4,6 @@ S: Maintained F: board/amlogic/p212/ F: include/configs/p212.h F: configs/khadas-vim_defconfig +F: configs/libretech-ac_defconfig F: configs/libretech-cc_defconfig F: configs/p212_defconfig diff --git a/board/amlogic/p212/README.libretech-ac b/board/amlogic/p212/README.libretech-ac new file mode 100644 index 0000000000..538604261b --- /dev/null +++ b/board/amlogic/p212/README.libretech-ac @@ -0,0 +1,103 @@ +U-Boot for LibreTech AC +======================= + +LibreTech AC is a single board computer manufactured by Libre Technology +with the following specifications: + + - Amlogic S805X ARM Cortex-A53 quad-core SoC @ 1.2GHz + - ARM Mali 450 GPU + - 512MiB DDR4 SDRAM + - 10/100 Ethernet + - HDMI 2.0 4K/60Hz display + - 40-pin GPIO header + - 4 x USB 2.0 Host + - eMMC, SPI NOR Flash + - Infrared receiver + +Schematics are available on the manufacturer website. + +Currently the U-Boot port supports the following devices: + - serial + - eMMC + - Ethernet + - USB + +U-Boot compilation +================== + + > export ARCH=arm + > export CROSS_COMPILE=aarch64-none-elf- + > make libretech-ac_defconfig + > make + +Image creation +============== + +Amlogic doesn't provide sources for the firmware and for tools needed +to create the bootloader image, so it is necessary to obtain them from +the git tree published by the board vendor: + + > 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:$PATH + > git clone https://github.com/BayLibre/u-boot.git -b libretech-ac amlogic-u-boot + > cd amlogic-u-boot + > wget https://raw.githubusercontent.com/BayLibre/u-boot/libretech-cc/fip/blx_fix.sh + > make libretech_ac_defconfig + > make + > export UBOOTDIR=$PWD + +Download the latest Amlogic Buildroot package, and extract it : + > wget http://openlinux2.amlogic.com:8000/ARM/filesystem/Linux_BSP/buildroot_openlinux_kernel_4.9_fbdev_20180418.tar.gz + > tar xfz buildroot_openlinux_kernel_4.9_fbdev_20180418.tar.gz buildroot_openlinux_kernel_4.9_fbdev_20180418/bootloader + > export BRDIR=$PWD/buildroot_openlinux_kernel_4.9_fbdev_20180418 + +Go back to mainline U-Boot source tree then : + > mkdir fip + + > cp $UBOOTDIR/build/scp_task/bl301.bin fip/ + > cp $UBOOTDIR/build/board/amlogic/libretech_ac/firmware/bl21.bin fip/ + > cp $UBOOTDIR/build/board/amlogic/libretech_ac/firmware/acs.bin fip/ + > cp $BRDIR/bootloader/uboot-repo/bl2/bin/gxl/bl2.bin fip/ + > cp $BRDIR/bootloader/uboot-repo/bl30/bin/gxl/bl30.bin fip/ + > cp $BRDIR/bootloader/uboot-repo/bl31/bin/gxl/bl31.img fip/ + > cp u-boot.bin fip/bl33.bin + + > sh $UBOOTDIR/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 + + > $BRDIR/bootloader/uboot-repo/fip/acs_tool.pyc fip/bl2.bin fip/bl2_acs.bin fip/acs.bin 0 + + > sh $UBOOTDIR/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 + + > $BRDIR/bootloader/uboot-repo/fip/gxl/aml_encrypt_gxl --bl3enc --input fip/bl30_new.bin + > $BRDIR/bootloader/uboot-repo/fip/gxl/aml_encrypt_gxl --bl3enc --input fip/bl31.img + > $BRDIR/bootloader/uboot-repo/fip/gxl/aml_encrypt_gxl --bl3enc --input fip/bl33.bin + > $BRDIR/bootloader/uboot-repo/fip/gxl/aml_encrypt_gxl --bl2sig --input fip/bl2_new.bin --output fip/bl2.n.bin.sig + > $BRDIR/bootloader/uboot-repo/fip/gxl/aml_encrypt_gxl --bootmk \ + --output fip/u-boot.bin \ + --bl2 fip/bl2.n.bin.sig \ + --bl30 fip/bl30_new.bin.enc \ + --bl31 fip/bl31.img.enc \ + --bl33 fip/bl33.bin.enc + +and then write the image to SD with: + + > DEV=/dev/your_sd_device + > dd if=fip/u-boot.bin.sd.bin of=$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=444 |