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| author | Christian Hewitt <christianshewitt@gmail.com> | 2023-03-23 14:31:39 +0000 |
|---|---|---|
| committer | Neil Armstrong <neil.armstrong@linaro.org> | 2023-04-17 11:06:08 +0200 |
| commit | 1aaab6d700a6035274c4a8181f7503d91353d77f (patch) | |
| tree | f8a96c2cbf96bce9eba317060f3603d80408fdbb /doc | |
| parent | 00fa30b6076ebf05e1430fa012f1660781f04cbd (diff) | |
| download | u-boot-1aaab6d700a6035274c4a8181f7503d91353d77f.zip u-boot-1aaab6d700a6035274c4a8181f7503d91353d77f.tar.gz u-boot-1aaab6d700a6035274c4a8181f7503d91353d77f.tar.bz2 | |
doc: boards: amlogic: add documentation for Radxa Zero2
Add build docs for the Radxa Zero2 board.
Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20230323143142.780306-12-christianshewitt@gmail.com
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/board/amlogic/index.rst | 1 | ||||
| -rw-r--r-- | doc/board/amlogic/radxa-zero2.rst | 80 |
2 files changed, 81 insertions, 0 deletions
diff --git a/doc/board/amlogic/index.rst b/doc/board/amlogic/index.rst index fa1b362..71b7e1f 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 0000000..dccf592 --- /dev/null +++ b/doc/board/amlogic/radxa-zero2.rst @@ -0,0 +1,80 @@ +.. 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/gcc-arm-10.3-2021.07-x86_64-aarch64-none-elf.tar.xz + $ 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 |