Add build docs for the Radxa Zero2 board.
Signed-off-by: Christian Hewitt christianshewitt@gmail.com --- board/amlogic/w400/MAINTAINERS | 2 + doc/board/amlogic/index.rst | 1 + doc/board/amlogic/radxa-zero2.rst | 79 +++++++++++++++++++++++++++++++ 3 files changed, 82 insertions(+) create mode 100644 doc/board/amlogic/radxa-zero2.rst
diff --git a/board/amlogic/w400/MAINTAINERS b/board/amlogic/w400/MAINTAINERS index 042b523056..117f79ea04 100644 --- a/board/amlogic/w400/MAINTAINERS +++ b/board/amlogic/w400/MAINTAINERS @@ -5,6 +5,8 @@ L: u-boot-amlogic@groups.io F: board/amlogic/w400/ F: configs/bananapi-cm4-cm4io_defconfig F: configs/bananapi-m2s_defconfig +F: configs/radxa-zero2_defconfig F: doc/board/amlogic/w400.rst F: doc/board/amlogic/bananapi-cm4io.rst F: doc/board/amlogic/bananapi-m2s.rst +F: doc/board/amlogic/radxa-zero2.rst diff --git a/doc/board/amlogic/index.rst b/doc/board/amlogic/index.rst index fa1b362731..71b7e1f3ed 100644 --- a/doc/board/amlogic/index.rst +++ b/doc/board/amlogic/index.rst @@ -112,6 +112,7 @@ Board Documentation p212 q200 radxa-zero + radxa-zero2 sei510 sei610 s400 diff --git a/doc/board/amlogic/radxa-zero2.rst b/doc/board/amlogic/radxa-zero2.rst new file mode 100644 index 0000000000..3fb5d360e8 --- /dev/null +++ b/doc/board/amlogic/radxa-zero2.rst @@ -0,0 +1,79 @@ +.. SPDX-License-Identifier: GPL-2.0+ + +U-Boot for Radxa Zero2 (A311D) +============================== + +Radxa Zero2 is a small form factor SBC based on the Amlogic A311D chipset with the +following specification: + +- Amlogic A311D (Quad A73 + Dual A53) CPU +- 4GB LPDDR4 RAM +- 32/64/128GB eMMC +- Mali G52-MP4 GPU +- HDMI 2.1 output (micro) +- BCM4345 WiFi (2.4/5GHz a/b/g/n/ac) and BT 5.0 +- 1x USB 2.0 port - Type C (OTG) +- 1x USB 3.0 port - Type C (Host) +- 1x micro SD Card slot +- 40 Pin GPIO header + +Schematics are available on request from Radxa. + +U-Boot Compilation +------------------ + +.. code-block:: bash + + $ export CROSS_COMPILE=aarch64-none-elf- + $ make radxa-zero2_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 radxa-zero2 /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 + + $ git clone -b radxa-zero-v2021.07 https://github.com/radxa/u-boot.git + $ git clone https://github.com/radxa/fip.git + + $ sudo apt-get install -y gcc-aarch64-linux-gnu device-tree-compiler libncurses5 libncurses5-dev + $ sudo apt-get install -y bc python dosfstools flex build-essential libssl-dev mtools + + $ wget https://developer.arm.com/-/media/Files/downloads/gnu-a/10.3-2021.07/binrel/... + $ sudo tar xvf gcc-arm-10.3-2021.07-x86_64-aarch64-none-elf.tar.xz -C /opt + + $ export CROSS_COMPILE=/opt/gcc-arm-10.2-2020.11-x86_64-aarch64-none-elf/bin/aarch64-none-elf- + $ export ARCH=arm + $ cd u-boot + $ make radxa-zero2_defconfig + $ make + + $ cp u-boot.bin ../fip/radxa-zero2/bl33.bin + $ cd ../fip/radxa-zero2 + $ make + +This will generate the signed U-Boot binaries: + +.. code-block:: bash + + $ u-boot.bin u-boot.bin.sd.bin u-boot.bin.usb.bl2 u-boot.bin.usb.tpl + +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