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- .. SPDX-License-Identifier: GPL-2.0+
- U-Boot for Khadas VIM3 (A311D)
- ==============================
- 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.
- PCIe Setup
- ----------
- The on-board MCU can mux the PCIe/USB3.0 shared differential lines using a FUSB340TMX USB
- 3.1 SuperSpeed Data Switch between a USB3.0 Type-A connector and an M.2 Key M slot. The
- PHY driving these differential lines is shared between the USB3.0 controller and the PCIe
- Controller, thus only a single controller can use it.
- To setup for PCIe run the following commands from U-Boot then power-cycle the board:
- .. code-block:: none
- i2c dev i2c@5000
- i2c mw 0x18 0x33 1
- To revert to USB3.0 run the following commands from U-Boot then power-cycle the board:
- .. code-block:: none
- i2c dev i2c@5000
- i2c mw 0x18 0x33 0
- U-Boot Compilation
- ------------------
- .. code-block:: bash
- $ export CROSS_COMPILE=aarch64-none-elf-
- $ make khadas-vim3_defconfig
- $ make
- U-Boot Signing with Pre-Built FIP repo
- --------------------------------------
- .. code-block:: bash
- $ git clone https://github.com/LibreELEC/amlogic-boot-fip --depth=1
- $ cd amlogic-boot-fip
- $ mkdir my-output-dir
- $ ./build-fip.sh khadas-vim3 /path/to/u-boot/u-boot.bin my-output-dir
- U-Boot Manual Signing
- ---------------------
- Amlogic does not provide sources for the firmware and tools needed to create a bootloader
- image so it is necessary to obtain binaries from sources 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
- $ 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 CROSS_COMPILE=aarch64-none-elf-
- $ export UBOOTDIR=$PWD
- Go back to the 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/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
- $ bash 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
- $ bash 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
- Then write U-Boot to SD or eMMC with:
- .. code-block:: bash
- $ DEV=/dev/boot_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=440
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