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Diffstat (limited to 'board/amlogic/p212/README.libretech-cc')
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diff --git a/board/amlogic/p212/README.libretech-cc b/board/amlogic/p212/README.libretech-cc deleted file mode 100644 index 74434d4435..0000000000 --- a/board/amlogic/p212/README.libretech-cc +++ /dev/null @@ -1,134 +0,0 @@ -U-Boot for LibreTech CC -======================= - -LibreTech CC is a single board computer manufactured by Libre Technology -with the following specifications: - - - Amlogic S905X ARM Cortex-A53 quad-core SoC @ 1.5GHz - - ARM Mali 450 GPU - - 2GB DDR3 SDRAM - - 10/100 Ethernet - - HDMI 2.0 4K/60Hz display - - 40-pin GPIO header - - 4 x USB 2.0 Host - - eMMC, microSD - - Infrared receiver - -Schematics are available on the manufacturer website. - -Currently the U-Boot port supports the following devices: - - serial - - eMMC, microSD - - Ethernet - - I2C - - Regulators - - Reset controller - - Clock controller - - USB Host - - ADC - -U-Boot compilation -================== - - > export CROSS_COMPILE=aarch64-none-elf- - > make libretech-cc_defconfig - > make - -Image creation -============== - -To boot the system, u-boot must be combined with several earlier stage -bootloaders: - -* bl2.bin: vendor-provided binary blob -* bl21.bin: built from vendor u-boot source -* bl30.bin: vendor-provided binary blob -* bl301.bin: built from vendor u-boot source -* bl31.bin: vendor-provided binary blob -* acs.bin: built from vendor u-boot source - -These binaries and the tools required below have been collected and prebuilt -for convenience at <https://github.com/BayLibre/u-boot/releases/> - -Download and extract the libretech-cc release from there, and set FIPDIR to -point to the `fip` subdirectory. - - > export FIPDIR=/path/to/extracted/fip - -Alternatively, you can obtain the original vendor u-boot tree which -contains the required blobs and sources, and build yourself. -Note that old compilers are required for this to build. The compilers here -are suggested by Amlogic, and they are 32-bit x86 binaries. - - > 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:$PATH - > git clone https://github.com/BayLibre/u-boot.git -b libretech-cc amlogic-u-boot - > cd amlogic-u-boot - > make libretech_cc_defconfig - > make - > export FIPDIR=$PWD/fip - -Once you have the binaries available (either through the prebuilt download, -or having built the vendor u-boot yourself), you can then proceed to glue -everything together. Go back to mainline U-Boot source tree then : - - > 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 - - > $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 - > $FIPDIR/gxl/aml_encrypt_gxl --bootmk \ - --output fip/u-boot.bin \ - --bl2 fip/bl2.n.bin.sig \ - --bl30 fip/bl30_new.bin.enc \ - --bl31 fip/bl31.img.enc \ - --bl33 fip/bl33.bin.enc - -and then write the image to SD with: - - > DEV=/dev/your_sd_device - > dd if=fip/u-boot.bin.sd.bin of=$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 - -Note that Amlogic provides aml_encrypt_gxl as a 32-bit x86 binary with no -source code. Should you prefer to avoid that, there are open source reverse -engineered versions available: - -1. gxlimg <https://github.com/repk/gxlimg>, which comes with a handy - Makefile that automates the whole process. -2. meson-tools <https://github.com/afaerber/meson-tools> - -However, these community-developed alternatives are not endorsed by or -supported by Amlogic. |