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U-Boot for Amlogic SEI610
=========================
SEI610 is a customer board manufactured by SEI Robotics with the following
specifications:
- Amlogic S905X3 ARM Cortex-A55 quad-core SoC
- 2GB DDR4 SDRAM
- 10/100 Ethernet (Internal PHY)
- 1 x USB 3.0 Host
- 1 x USB Type-C DRD
- 1 x FTDI USB Serial Debug Interface
- eMMC
- SDcard
- Infrared receiver
- SDIO WiFi Module
u-boot compilation
==================
> export ARCH=arm
> export CROSS_COMPILE=aarch64-none-elf-
> make sei610_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:$PATH
> git clone https://github.com/BayLibre/u-boot.git -b buildroot-openlinux-4.9-g12a-201904 amlogic-u-boot
> cd amlogic-u-boot
> make sm1_ac200_v1_defconfig
> make
> export UBOOTDIR=$PWD
Download the latest Amlogic Buildroot package, and extract it :
> wget http://openlinux2.amlogic.com:8000/ARM/filesystem/buildroot-openlinux-A113-201901.tgz
> tar xfz buildroot-openlinux-A113-201901.tgz buildroot-openlinux-A113-201901/bootloader
> export BRDIR=$PWD/buildroot-openlinux-A113-201901
> export FIPDIR=$BRDIR/bootloader/uboot-repo/fip
Go back to mainline U-Boot source tree then :
> mkdir fip
> wget https://github.com/BayLibre/u-boot/releases/download/v2017.11-libretech-cc/blx_fix_g12a.sh -O fip/blx_fix.sh
> cp $UBOOTDIR/build/scp_task/bl301.bin fip/
> cp $UBOOTDIR/build/board/amlogic/g12a_u200_v1/firmware/acs.bin fip/
> cp $BRDIR/bootloader/uboot-repo/bl2/bin/g12a/bl2.bin fip/
> cp $BRDIR/bootloader/uboot-repo/bl30/bin/g12a/bl30.bin fip/
> cp $BRDIR/bootloader/uboot-repo/bl31_1.3/bin/g12a/bl31.img fip/
> cp $FIPDIR/g12a/ddr3_1d.fw fip/
> cp $FIPDIR/g12a/ddr4_1d.fw fip/
> cp $FIPDIR/g12a/ddr4_2d.fw fip/
> cp $FIPDIR/g12a/diag_lpddr4.fw fip/
> cp $FIPDIR/g12a/lpddr4_1d.fw fip/
> cp $FIPDIR/g12a/lpddr4_2d.fw fip/
> cp $FIPDIR/g12a/piei.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
> $FIPDIR/g12a/aml_encrypt_g12a --bl30sig --input fip/bl30_new.bin \
--output fip/bl30_new.bin.g12a.enc \
--level v3
> $FIPDIR/g12a/aml_encrypt_g12a --bl3sig --input fip/bl30_new.bin.g12a.enc \
--output fip/bl30_new.bin.enc \
--level v3 --type bl30
> $FIPDIR/g12a/aml_encrypt_g12a --bl3sig --input fip/bl31.img \
--output fip/bl31.img.enc \
--level v3 --type bl31
> $FIPDIR/g12a/aml_encrypt_g12a --bl3sig --input fip/bl33.bin --compress lz4 \
--output fip/bl33.bin.enc \
--level v3 --type bl33
> $FIPDIR/g12a/aml_encrypt_g12a --bl2sig --input fip/bl2_new.bin \
--output fip/bl2.n.bin.sig
> $FIPDIR/g12a/aml_encrypt_g12a --bootmk \
--output fip/u-boot.bin \
--bl2 fip/bl2.n.bin.sig \
--bl30 fip/bl30_new.bin.enc \
--bl31 fip/bl31.img.enc \
--bl33 fip/bl33.bin.enc \
--ddrfw1 fip/ddr4_1d.fw \
--ddrfw2 fip/ddr4_2d.fw \
--ddrfw3 fip/ddr3_1d.fw \
--ddrfw4 fip/piei.fw \
--ddrfw5 fip/lpddr4_1d.fw \
--ddrfw6 fip/lpddr4_2d.fw \
--ddrfw7 fip/diag_lpddr4.fw \
--level v3
and then write the image to SD with:
> DEV=/dev/your_sd_device
> dd if=fip/u-boot.bin.sd.bin of=$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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