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- U-Boot for Khadas VIM3
- ======================
- Khadas VIM3 is a single board computer manufactured by Shenzhen Wesion
- Technology Co., Ltd. with the following specifications:
- - Amlogic A311D Arm Cortex-A53 dual-core + Cortex-A73 quad-core SoC
- - 4GB LPDDR4 SDRAM
- - Gigabit Ethernet
- - HDMI 2.1 display
- - 40-pin GPIO header
- - 1 x USB 3.0 Host, 1 x USB 2.0 Host
- - eMMC, microSD
- - M.2
- - 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
- - ADC
- u-boot compilation
- ==================
- > export CROSS_COMPILE=aarch64-none-elf-
- > make khadas-vim3_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
- > DIR=vim3-u-boot
- > git clone --depth 1 \
- https://github.com/khadas/u-boot.git -b khadas-vims-v2015.01 \
- $DIR
- > cd vim3-u-boot
- > make kvim3_defconfig
- > make
- > export UBOOTDIR=$PWD
- Go back to mainline U-Boot source tree then :
- > mkdir fip
- > cp $UBOOTDIR/build/scp_task/bl301.bin fip/
- > cp $UBOOTDIR/build/board/khadas/kvim3/firmware/acs.bin fip/
- > cp $UBOOTDIR/fip/g12b/bl2.bin fip/
- > cp $UBOOTDIR/fip/g12b/bl30.bin fip/
- > cp $UBOOTDIR/fip/g12b/bl31.img fip/
- > cp $UBOOTDIR/fip/g12b/ddr3_1d.fw fip/
- > cp $UBOOTDIR/fip/g12b/ddr4_1d.fw fip/
- > cp $UBOOTDIR/fip/g12b/ddr4_2d.fw fip/
- > cp $UBOOTDIR/fip/g12b/diag_lpddr4.fw fip/
- > cp $UBOOTDIR/fip/g12b/lpddr3_1d.fw fip/
- > cp $UBOOTDIR/fip/g12b/lpddr4_1d.fw fip/
- > cp $UBOOTDIR/fip/g12b/lpddr4_2d.fw fip/
- > cp $UBOOTDIR/fip/g12b/piei.fw fip/
- > cp $UBOOTDIR/fip/g12b/aml_ddr.fw fip/
- > cp u-boot.bin fip/bl33.bin
- > sh fip/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
- > sh fip/blx_fix.sh \
- fip/bl2.bin \
- fip/zero_tmp \
- fip/bl2_zero.bin \
- fip/acs.bin \
- fip/bl21_zero.bin \
- fip/bl2_new.bin \
- bl2
- > $UBOOTDIR/fip/g12b/aml_encrypt_g12b --bl30sig --input fip/bl30_new.bin \
- --output fip/bl30_new.bin.g12a.enc \
- --level v3
- > $UBOOTDIR/fip/g12b/aml_encrypt_g12b --bl3sig --input fip/bl30_new.bin.g12a.enc \
- --output fip/bl30_new.bin.enc \
- --level v3 --type bl30
- > $UBOOTDIR/fip/g12b/aml_encrypt_g12b --bl3sig --input fip/bl31.img \
- --output fip/bl31.img.enc \
- --level v3 --type bl31
- > $UBOOTDIR/fip/g12b/aml_encrypt_g12b --bl3sig --input fip/bl33.bin --compress lz4 \
- --output fip/bl33.bin.enc \
- --level v3 --type bl33 --compress lz4
- > $UBOOTDIR/fip/g12b/aml_encrypt_g12b --bl2sig --input fip/bl2_new.bin \
- --output fip/bl2.n.bin.sig
- > $UBOOTDIR/fip/g12b/aml_encrypt_g12b --bootmk \
- --output fip/u-boot.bin \
- --bl2 fip/bl2.n.bin.sig \
- --bl30 fip/bl30_new.bin.enc \
- --bl31 fip/bl31.img.enc \
- --bl33 fip/bl33.bin.enc \
- --ddrfw1 fip/ddr4_1d.fw \
- --ddrfw2 fip/ddr4_2d.fw \
- --ddrfw3 fip/ddr3_1d.fw \
- --ddrfw4 fip/piei.fw \
- --ddrfw5 fip/lpddr4_1d.fw \
- --ddrfw6 fip/lpddr4_2d.fw \
- --ddrfw7 fip/diag_lpddr4.fw \
- --ddrfw8 fip/aml_ddr.fw \
- --ddrfw9 fip/lpddr3_1d.fw \
- --level v3
- and then write the image to SD with:
- > DEV=/dev/your_sd_device
- > dd if=fip/u-boot.bin.sd.bin of=$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
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