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Diffstat (limited to 'board/amlogic/p212/README.p212')
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1 files changed, 103 insertions, 0 deletions
diff --git a/board/amlogic/p212/README.p212 b/board/amlogic/p212/README.p212 new file mode 100644 index 0000000000..ef5370c763 --- /dev/null +++ b/board/amlogic/p212/README.p212 @@ -0,0 +1,103 @@ +U-Boot for Amlogic P212 +======================= + +P212 is a reference board manufactured by Amlogic 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 + - 2 x USB 2.0 Host + - eMMC, microSD + - Infrared receiver + - SDIO WiFi Module + - CVBS+Stereo Audio Jack + +Schematics are available from Amlogic on demand. + +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 ARCH=arm + > export CROSS_COMPILE=aarch64-none-elf- + > make p212_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:$PATH + > git clone https://github.com/BayLibre/u-boot.git -b n-amlogic-openlinux-20170606 amlogic-u-boot + > cd amlogic-u-boot + > make gxl_p212_v1_defconfig + > make + > export FIPDIR=$PWD/fip + +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 |