1U-Boot for Khadas VIM3 2====================== 3 4Khadas VIM3 is a single board computer manufactured by Shenzhen Wesion 5Technology Co., Ltd. with the following specifications: 6 7 - Amlogic A311D Arm Cortex-A53 dual-core + Cortex-A73 quad-core SoC 8 - 4GB LPDDR4 SDRAM 9 - Gigabit Ethernet 10 - HDMI 2.1 display 11 - 40-pin GPIO header 12 - 1 x USB 3.0 Host, 1 x USB 2.0 Host 13 - eMMC, microSD 14 - M.2 15 - Infrared receiver 16 17Schematics are available on the manufacturer website. 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 - ADC 28 29u-boot compilation 30================== 31 32 > export ARCH=arm 33 > export CROSS_COMPILE=aarch64-none-elf- 34 > make khadas-vim3_defconfig 35 > make 36 37Image creation 38============== 39 40Amlogic doesn't provide sources for the firmware and for tools needed 41to create the bootloader image, so it is necessary to obtain them from 42the git tree published by the board vendor: 43 44 > wget https://releases.linaro.org/archive/13.11/components/toolchain/binaries/gcc-linaro-aarch64-none-elf-4.8-2013.11_linux.tar.xz 45 > wget https://releases.linaro.org/archive/13.11/components/toolchain/binaries/gcc-linaro-arm-none-eabi-4.8-2013.11_linux.tar.xz 46 > tar xvfJ gcc-linaro-aarch64-none-elf-4.8-2013.11_linux.tar.xz 47 > tar xvfJ gcc-linaro-arm-none-eabi-4.8-2013.11_linux.tar.xz 48 > 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 49 50 > DIR=vim3-u-boot 51 > git clone --depth 1 \ 52 https://github.com/khadas/u-boot.git -b khadas-vims-v2015.01 \ 53 $DIR 54 55 > cd vim3-u-boot 56 > make kvim3_defconfig 57 > make 58 > export UBOOTDIR=$PWD 59 60 Go back to mainline U-Boot source tree then : 61 > mkdir fip 62 63 > cp $UBOOTDIR/build/scp_task/bl301.bin fip/ 64 > cp $UBOOTDIR/build/board/khadas/kvim3/firmware/acs.bin fip/ 65 > cp $UBOOTDIR/fip/g12b/bl2.bin fip/ 66 > cp $UBOOTDIR/fip/g12b/bl30.bin fip/ 67 > cp $UBOOTDIR/fip/g12b/bl31.img fip/ 68 > cp $UBOOTDIR/fip/g12b/ddr3_1d.fw fip/ 69 > cp $UBOOTDIR/fip/g12b/ddr4_1d.fw fip/ 70 > cp $UBOOTDIR/fip/g12b/ddr4_2d.fw fip/ 71 > cp $UBOOTDIR/fip/g12b/diag_lpddr4.fw fip/ 72 > cp $UBOOTDIR/fip/g12b/lpddr3_1d.fw fip/ 73 > cp $UBOOTDIR/fip/g12b/lpddr4_1d.fw fip/ 74 > cp $UBOOTDIR/fip/g12b/lpddr4_2d.fw fip/ 75 > cp $UBOOTDIR/fip/g12b/piei.fw fip/ 76 > cp $UBOOTDIR/fip/g12b/aml_ddr.fw fip/ 77 > cp u-boot.bin fip/bl33.bin 78 79 > sh fip/blx_fix.sh \ 80 fip/bl30.bin \ 81 fip/zero_tmp \ 82 fip/bl30_zero.bin \ 83 fip/bl301.bin \ 84 fip/bl301_zero.bin \ 85 fip/bl30_new.bin \ 86 bl30 87 88 > sh fip/blx_fix.sh \ 89 fip/bl2.bin \ 90 fip/zero_tmp \ 91 fip/bl2_zero.bin \ 92 fip/acs.bin \ 93 fip/bl21_zero.bin \ 94 fip/bl2_new.bin \ 95 bl2 96 97 > $UBOOTDIR/fip/g12b/aml_encrypt_g12b --bl30sig --input fip/bl30_new.bin \ 98 --output fip/bl30_new.bin.g12a.enc \ 99 --level v3 100 > $UBOOTDIR/fip/g12b/aml_encrypt_g12b --bl3sig --input fip/bl30_new.bin.g12a.enc \ 101 --output fip/bl30_new.bin.enc \ 102 --level v3 --type bl30 103 > $UBOOTDIR/fip/g12b/aml_encrypt_g12b --bl3sig --input fip/bl31.img \ 104 --output fip/bl31.img.enc \ 105 --level v3 --type bl31 106 > $UBOOTDIR/fip/g12b/aml_encrypt_g12b --bl3sig --input fip/bl33.bin --compress lz4 \ 107 --output fip/bl33.bin.enc \ 108 --level v3 --type bl33 --compress lz4 109 > $UBOOTDIR/fip/g12b/aml_encrypt_g12b --bl2sig --input fip/bl2_new.bin \ 110 --output fip/bl2.n.bin.sig 111 > $UBOOTDIR/fip/g12b/aml_encrypt_g12b --bootmk \ 112 --output fip/u-boot.bin \ 113 --bl2 fip/bl2.n.bin.sig \ 114 --bl30 fip/bl30_new.bin.enc \ 115 --bl31 fip/bl31.img.enc \ 116 --bl33 fip/bl33.bin.enc \ 117 --ddrfw1 fip/ddr4_1d.fw \ 118 --ddrfw2 fip/ddr4_2d.fw \ 119 --ddrfw3 fip/ddr3_1d.fw \ 120 --ddrfw4 fip/piei.fw \ 121 --ddrfw5 fip/lpddr4_1d.fw \ 122 --ddrfw6 fip/lpddr4_2d.fw \ 123 --ddrfw7 fip/diag_lpddr4.fw \ 124 --ddrfw8 fip/aml_ddr.fw \ 125 --ddrfw9 fip/lpddr3_1d.fw \ 126 --level v3 127 128and then write the image to SD with: 129 130 > DEV=/dev/your_sd_device 131 > dd if=fip/u-boot.bin.sd.bin of=$DEV conv=fsync,notrunc bs=512 skip=1 seek=1 132 > dd if=fip/u-boot.bin.sd.bin of=$DEV conv=fsync,notrunc bs=1 count=444 133