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Improve documentation. Signed-off-by: Christian Hewitt <christianshewitt@gmail.com> Link: https://lore.kernel.org/r/20230320114609.930145-18-christianshewitt@gmail.com [narmstrong: fixed doc build] Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
46 lines
1.2 KiB
ReStructuredText
46 lines
1.2 KiB
ReStructuredText
.. SPDX-License-Identifier: GPL-2.0+
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U-Boot for ODROID-GO-ULTRA (S922X)
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==================================
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The ODROID GO ULTRA is a portable gaming device with the following characteristics:
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- Amlogic S922X SoC
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- RK817 & RK818 PMICs
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- 2GiB LPDDR4
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- On board 16GiB eMMC
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- Micro SD Card slot
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- 5inch 854×480 MIPI-DSI TFT LCD
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- Earphone stereo jack, 0.5Watt 8Ω Mono speaker
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- Li-Polymer 3.7V/4000mAh Battery
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- USB-A 2.0 Host Connector
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- x16 GPIO Input Buttons
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- 2x ADC Analog Joysticks
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- USB-C Port for USB2 Device and Charging
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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 odroid-go-ultra_defconfig
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$ make
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U-Boot Signing with Pre-Built FIP repo
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--------------------------------------
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.. code-block:: bash
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$ git clone https://github.com/LibreELEC/amlogic-boot-fip --depth=1
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$ cd amlogic-boot-fip
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$ mkdir my-output-dir
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$ ./build-fip.sh odroid-go-ultra /path/to/u-boot/u-boot.bin my-output-dir
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Then write the image to SD or eMMC with:
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.. code-block:: bash
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$ DEV=/dev/boot_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=440
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