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- .. SPDX-License-Identifier: GPL-2.0+
- U-Boot for Amlogic W400
- =======================
- U200 is a reference board manufactured by Amlogic with the following
- specifications:
- - Amlogic S922X ARM Cortex-A53 dual-core + Cortex-A73 quad-core SoC
- - 2GB DDR4 SDRAM
- - 10/100 Ethernet (Internal PHY)
- - 1 x USB 3.0 Host
- - eMMC
- - SDcard
- - Infrared receiver
- - SDIO WiFi Module
- - MIPI DSI Connector
- - Audio HAT Connector
- - PCI-E M.2 Connector
- Schematics are available from Amlogic on demand.
- U-Boot compilation
- ------------------
- .. code-block:: bash
- $ export CROSS_COMPILE=aarch64-none-elf-
- $ make w400_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:
- .. code-block:: bash
- $ 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-20180418 amlogic-u-boot
- $ cd amlogic-u-boot
- $ make g12b_w400_v1_defconfig
- $ make
- $ export UBOOTDIR=$PWD
- Download the latest Amlogic Buildroot package, and extract it :
- .. code-block:: bash
- $ wget http://openlinux2.amlogic.com:8000/ARM/filesystem/Linux_BSP/buildroot_openlinux_kernel_4.9_fbdev_20180706.tar.gz
- $ tar xfz buildroot_openlinux_kernel_4.9_fbdev_20180706.tar.gz buildroot_openlinux_kernel_4.9_fbdev_20180706/bootloader
- $ export BRDIR=$PWD/buildroot_openlinux_kernel_4.9_fbdev_20180706
- $ export FIPDIR=$BRDIR/bootloader/uboot-repo/fip
- Go back to mainline U-Boot source tree then :
- .. code-block:: bash
- $ 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/g12b_w400_v1/firmware/acs.bin fip/
- $ cp $BRDIR/bootloader/uboot-repo/bl2/bin/g12b/bl2.bin fip/
- $ cp $BRDIR/bootloader/uboot-repo/bl30/bin/g12b/bl30.bin fip/
- $ cp $BRDIR/bootloader/uboot-repo/bl31_1.3/bin/g12b/bl31.img fip/
- $ cp $FIPDIR/g12b/ddr3_1d.fw fip/
- $ cp $FIPDIR/g12b/ddr4_1d.fw fip/
- $ cp $FIPDIR/g12b/ddr4_2d.fw fip/
- $ cp $FIPDIR/g12b/diag_lpddr4.fw fip/
- $ cp $FIPDIR/g12b/lpddr4_1d.fw fip/
- $ cp $FIPDIR/g12b/lpddr4_2d.fw fip/
- $ cp $FIPDIR/g12b/piei.fw fip/
- $ cp $FIPDIR/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
- $ $FIPDIR/g12b/aml_encrypt_g12b --bl30sig --input fip/bl30_new.bin \
- --output fip/bl30_new.bin.g12a.enc \
- --level v3
- $ $FIPDIR/g12b/aml_encrypt_g12b --bl3sig --input fip/bl30_new.bin.g12a.enc \
- --output fip/bl30_new.bin.enc \
- --level v3 --type bl30
- $ $FIPDIR/g12b/aml_encrypt_g12b --bl3sig --input fip/bl31.img \
- --output fip/bl31.img.enc \
- --level v3 --type bl31
- $ $FIPDIR/g12b/aml_encrypt_g12b --bl3sig --input fip/bl33.bin --compress lz4 \
- --output fip/bl33.bin.enc \
- --level v3 --type bl33
- $ $FIPDIR/g12b/aml_encrypt_g12b --bl2sig --input fip/bl2_new.bin \
- --output fip/bl2.n.bin.sig
- $ $FIPDIR/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 \
- --level v3
- and then write the image to SD with:
- .. code-block:: bash
- $ 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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