mirror of
https://github.com/AsahiLinux/u-boot
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136 lines
4.5 KiB
ReStructuredText
136 lines
4.5 KiB
ReStructuredText
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.. SPDX-License-Identifier: GPL-2.0+
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U-Boot for Amlogic U200
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=======================
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U200 is a reference board manufactured by Amlogic with the following
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specifications:
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- Amlogic S905D2 ARM Cortex-A53 quad-core SoC
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- 2GB DDR4 SDRAM
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- 10/100 Ethernet (Internal PHY)
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- 1 x USB 3.0 Host
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- eMMC
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- SDcard
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- Infrared receiver
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- SDIO WiFi Module
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- MIPI DSI Connector
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- Audio HAT Connector
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- PCI-E M.2 Connector
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Schematics are available from Amlogic on demand.
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U-Boot compilation
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------------------
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.. code-block:: bash
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$ export CROSS_COMPILE=aarch64-none-elf-
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$ make u200_defconfig
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$ make
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Image creation
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--------------
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Amlogic doesn't provide sources for the firmware and for tools needed
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to create the bootloader image, so it is necessary to obtain them from
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the git tree published by the board vendor:
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.. code-block:: bash
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$ wget https://releases.linaro.org/archive/13.11/components/toolchain/binaries/gcc-linaro-aarch64-none-elf-4.8-2013.11_linux.tar.xz
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$ wget https://releases.linaro.org/archive/13.11/components/toolchain/binaries/gcc-linaro-arm-none-eabi-4.8-2013.11_linux.tar.xz
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$ tar xvfJ gcc-linaro-aarch64-none-elf-4.8-2013.11_linux.tar.xz
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$ tar xvfJ gcc-linaro-arm-none-eabi-4.8-2013.11_linux.tar.xz
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$ 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:$PATH
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$ git clone https://github.com/BayLibre/u-boot.git -b buildroot-openlinux-20180418 amlogic-u-boot
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$ cd amlogic-u-boot
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$ make g12a_u200_v1_defconfig
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$ make
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$ export UBOOTDIR=$PWD
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Download the latest Amlogic Buildroot package, and extract it :
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.. code-block:: bash
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$ wget http://openlinux2.amlogic.com:8000/ARM/filesystem/Linux_BSP/buildroot_openlinux_kernel_4.9_fbdev_20180706.tar.gz
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$ tar xfz buildroot_openlinux_kernel_4.9_fbdev_20180706.tar.gz buildroot_openlinux_kernel_4.9_fbdev_20180706/bootloader
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$ export BRDIR=$PWD/buildroot_openlinux_kernel_4.9_fbdev_20180706
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$ export FIPDIR=$BRDIR/bootloader/uboot-repo/fip
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Go back to mainline U-Boot source tree then :
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.. code-block:: bash
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$ mkdir fip
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$ wget https://github.com/BayLibre/u-boot/releases/download/v2017.11-libretech-cc/blx_fix_g12a.sh -O fip/blx_fix.sh
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$ cp $UBOOTDIR/build/scp_task/bl301.bin fip/
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$ cp $UBOOTDIR/build/board/amlogic/g12a_u200_v1/firmware/acs.bin fip/
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$ cp $BRDIR/bootloader/uboot-repo/bl2/bin/g12a/bl2.bin fip/
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$ cp $BRDIR/bootloader/uboot-repo/bl30/bin/g12a/bl30.bin fip/
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$ cp $BRDIR/bootloader/uboot-repo/bl31_1.3/bin/g12a/bl31.img fip/
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$ cp $FIPDIR/g12a/ddr3_1d.fw fip/
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$ cp $FIPDIR/g12a/ddr4_1d.fw fip/
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$ cp $FIPDIR/g12a/ddr4_2d.fw fip/
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$ cp $FIPDIR/g12a/diag_lpddr4.fw fip/
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$ cp $FIPDIR/g12a/lpddr4_1d.fw fip/
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$ cp $FIPDIR/g12a/lpddr4_2d.fw fip/
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$ cp $FIPDIR/g12a/piei.fw fip/
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$ cp u-boot.bin fip/bl33.bin
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$ sh fip/blx_fix.sh \
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fip/bl30.bin \
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fip/zero_tmp \
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fip/bl30_zero.bin \
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fip/bl301.bin \
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fip/bl301_zero.bin \
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fip/bl30_new.bin \
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bl30
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$ sh fip/blx_fix.sh \
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fip/bl2.bin \
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fip/zero_tmp \
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fip/bl2_zero.bin \
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fip/acs.bin \
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fip/bl21_zero.bin \
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fip/bl2_new.bin \
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bl2
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$ $FIPDIR/g12a/aml_encrypt_g12a --bl30sig --input fip/bl30_new.bin \
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--output fip/bl30_new.bin.g12a.enc \
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--level v3
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$ $FIPDIR/g12a/aml_encrypt_g12a --bl3sig --input fip/bl30_new.bin.g12a.enc \
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--output fip/bl30_new.bin.enc \
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--level v3 --type bl30
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$ $FIPDIR/g12a/aml_encrypt_g12a --bl3sig --input fip/bl31.img \
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--output fip/bl31.img.enc \
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--level v3 --type bl31
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$ $FIPDIR/g12a/aml_encrypt_g12a --bl3sig --input fip/bl33.bin --compress lz4 \
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--output fip/bl33.bin.enc \
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--level v3 --type bl33
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$ $FIPDIR/g12a/aml_encrypt_g12a --bl2sig --input fip/bl2_new.bin \
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--output fip/bl2.n.bin.sig
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$ $FIPDIR/g12a/aml_encrypt_g12a --bootmk \
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--output fip/u-boot.bin \
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--bl2 fip/bl2.n.bin.sig \
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--bl30 fip/bl30_new.bin.enc \
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--bl31 fip/bl31.img.enc \
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--bl33 fip/bl33.bin.enc \
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--ddrfw1 fip/ddr4_1d.fw \
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--ddrfw2 fip/ddr4_2d.fw \
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--ddrfw3 fip/ddr3_1d.fw \
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--ddrfw4 fip/piei.fw \
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--ddrfw5 fip/lpddr4_1d.fw \
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--ddrfw6 fip/lpddr4_2d.fw \
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--ddrfw7 fip/diag_lpddr4.fw \
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--level v3
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and then write the image to SD with:
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.. code-block:: bash
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$ DEV=/dev/your_sd_device
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$ dd if=fip/u-boot.bin.sd.bin of=$DEV conv=fsync,notrunc bs=512 skip=1 seek=1
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$ dd if=fip/u-boot.bin.sd.bin of=$DEV conv=fsync,notrunc bs=1 count=444
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