1U-Boot for Amlogic Q200 2======================= 3 4Q200 is a reference board manufactured by Amlogic with the following 5specifications: 6 7 - Amlogic S912 ARM Cortex-A53 octo-core SoC @ 1.5GHz 8 - ARM Mali T860 GPU 9 - 2/3GB DDR4 SDRAM 10 - 10/100/1000 Ethernet 11 - HDMI 2.0 4K/60Hz display 12 - 2 x USB 2.0 Host, 1 x USB 2.0 Device 13 - 16GB/32GB/64GB eMMC 14 - 2MB SPI Flash 15 - microSD 16 - SDIO Wifi Module, Bluetooth 17 - IR receiver 18 19Currently the u-boot port supports the following devices: 20 - serial 21 - eMMC, microSD 22 - Ethernet 23 - I2C 24 - Regulators 25 - Reset controller 26 - Clock controller 27 - USB Host 28 - ADC 29 30U-Boot compilation 31================== 32 33 > export ARCH=arm 34 > export CROSS_COMPILE=aarch64-none-elf- 35 > make khadas-vim2_defconfig 36 > make 37 38Image creation 39============== 40 41Amlogic doesn't provide sources for the firmware and for tools needed 42to create the bootloader image, so it is necessary to obtain them from 43the git tree published by the board vendor: 44 45 > wget https://releases.linaro.org/archive/13.11/components/toolchain/binaries/gcc-linaro-aarch64-none-elf-4.8-2013.11_linux.tar.xz 46 > wget https://releases.linaro.org/archive/13.11/components/toolchain/binaries/gcc-linaro-arm-none-eabi-4.8-2013.11_linux.tar.xz 47 > tar xvfJ gcc-linaro-aarch64-none-elf-4.8-2013.11_linux.tar.xz 48 > tar xvfJ gcc-linaro-arm-none-eabi-4.8-2013.11_linux.tar.xz 49 > 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:$PATH 50 > git clone https://github.com/BayLibre/u-boot.git -b n-amlogic-openlinux-20170606 amlogic-u-boot 51 > cd amlogic-u-boot 52 > make gxm_q200_v1_defconfig 53 > make 54 > export FIPDIR=$PWD/fip 55 56Go back to mainline U-Boot source tree then : 57 > mkdir fip 58 59 > cp $FIPDIR/gxl/bl2.bin fip/ 60 > cp $FIPDIR/gxl/acs.bin fip/ 61 > cp $FIPDIR/gxl/bl21.bin fip/ 62 > cp $FIPDIR/gxl/bl30.bin fip/ 63 > cp $FIPDIR/gxl/bl301.bin fip/ 64 > cp $FIPDIR/gxl/bl31.img fip/ 65 > cp u-boot.bin fip/bl33.bin 66 67 > $FIPDIR/blx_fix.sh \ 68 fip/bl30.bin \ 69 fip/zero_tmp \ 70 fip/bl30_zero.bin \ 71 fip/bl301.bin \ 72 fip/bl301_zero.bin \ 73 fip/bl30_new.bin \ 74 bl30 75 76 > python $FIPDIR/acs_tool.pyc fip/bl2.bin fip/bl2_acs.bin fip/acs.bin 0 77 78 > $FIPDIR/blx_fix.sh \ 79 fip/bl2_acs.bin \ 80 fip/zero_tmp \ 81 fip/bl2_zero.bin \ 82 fip/bl21.bin \ 83 fip/bl21_zero.bin \ 84 fip/bl2_new.bin \ 85 bl2 86 87 > $FIPDIR/gxl/aml_encrypt_gxl --bl3enc --input fip/bl30_new.bin 88 > $FIPDIR/gxl/aml_encrypt_gxl --bl3enc --input fip/bl31.img 89 > $FIPDIR/gxl/aml_encrypt_gxl --bl3enc --input fip/bl33.bin 90 > $FIPDIR/gxl/aml_encrypt_gxl --bl2sig --input fip/bl2_new.bin --output fip/bl2.n.bin.sig 91 > $FIPDIR/gxl/aml_encrypt_gxl --bootmk \ 92 --output fip/u-boot.bin \ 93 --bl2 fip/bl2.n.bin.sig \ 94 --bl30 fip/bl30_new.bin.enc \ 95 --bl31 fip/bl31.img.enc \ 96 --bl33 fip/bl33.bin.enc 97 98and then write the image to SD with: 99 100 > DEV=/dev/your_sd_device 101 > dd if=fip/u-boot.bin.sd.bin of=$DEV conv=fsync,notrunc bs=512 skip=1 seek=1 102 > dd if=fip/u-boot.bin.sd.bin of=$DEV conv=fsync,notrunc bs=1 count=444 103