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Commit 506fd307 authored by Christian Hewitt's avatar Christian Hewitt Committed by Neil Armstrong
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doc: boards: amlogic: update for Radxa Zero


Add documentation bits for the Radxa Zero

Signed-off-by: default avatarChristian Hewitt <christianshewitt@gmail.com>
[narmstrong: updated u200 MAINTAINERS]
Signed-off-by: default avatarNeil Armstrong <narmstrong@baylibre.com>
parent e294f64b
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......@@ -7,3 +7,4 @@ F: configs/u200_defconfig
F: configs/bananapi-m5_defconfig
F: configs/radxa-zero_defconfig
F: doc/board/amlogic/u200.rst
F: doc/board/amlogic/radxa-zero.rst
......@@ -17,7 +17,7 @@ This matrix concerns the actual source code version.
+===============================+===========+=================+==============+=============+============+=============+==============+
| Boards | Odroid-C2 | P212 | Khadas VIM2 | S400 | U200 | Odroid-N2 | SEI610 |
| | Nanopi-K2 | Khadas-VIM | Libretech-PC | JetHub J100 | SEI510 | Khadas-VIM3 | Khadas-VIM3L |
| | P200 | LibreTech-CC v1 | WeTek Core2 | | | GT-King/Pro | Odroid-C4 |
| | P200 | LibreTech-CC v1 | WeTek Core2 | | Radxa Zero | GT-King/Pro | Odroid-C4 |
| | P201 | LibreTech-AC v2 | | | | GSKing-X | Odroid-HC4 |
| | | JetHub J80 | | | | | BananaPi-M5 |
+-------------------------------+-----------+-----------------+--------------+-------------+------------+-------------+--------------+
......@@ -98,6 +98,7 @@ Board Documentation
p201
p212
q200
radxa-zero
s400
sei510
sei610
......
.. SPDX-License-Identifier: GPL-2.0+
U-Boot for Radxa Zero
=====================
Radxa Zero is a small form factor SBC based on the Amlogic S905Y2
chipset that ships in a number of RAM/eMMC configurations:
Boards with 512MB/1GB LPDDR4 RAM have no eMMC storage and BCM43436
wireless (2.4GHz b/g/n) while 2GB/4GB boards have 8/16/32/64/128GB
eMMC storage and BCM4345 wireless (2.4/5GHz a/b/g/n/ac).
- Amlogic S905Y2 quad-core Cortex-A53
- Mali G31-MP2 GPU
- HDMI 2.1 output (micro)
- 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 the manufacturer website:
https://dl.radxa.com/zero/docs/hw/RADAX_ZERO_V13_SCH_20210309.pdf
U-Boot compilation
------------------
.. code-block:: bash
$ export CROSS_COMPILE=aarch64-none-elf-
$ make radxa-zero_defconfig
$ make
Image creation
--------------
Amlogic does not provide sources for the firmware and for tools needed
to create the bootloader image, so it is necessary to obtain them from
git trees 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-zero_defconfig
$ make
$ cp u-boot.bin ../fip/radxa-zero/bl33.bin
$ cd ../fip/radxa-zero
$ make
This will generate:
.. code-block:: bash
$ u-boot.bin u-boot.bin.sd.bin u-boot.bin.usb.bl2 u-boot.bin.usb.tpl
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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