| .. SPDX-License-Identifier: GPL-2.0+ |
| |
| U-Boot for ODROID-GO-ULTRA (S922X) |
| ================================== |
| |
| The ODROID GO ULTRA is a portable gaming device with the following characteristics: |
| |
| - Amlogic S922X SoC |
| - RK817 & RK818 PMICs |
| - 2GiB LPDDR4 |
| - On board 16GiB eMMC |
| - Micro SD Card slot |
| - 5inch 854×480 MIPI-DSI TFT LCD |
| - Earphone stereo jack, 0.5Watt 8Ω Mono speaker |
| - Li-Polymer 3.7V/4000mAh Battery |
| - USB-A 2.0 Host Connector |
| - x16 GPIO Input Buttons |
| - 2x ADC Analog Joysticks |
| - USB-C Port for USB2 Device and Charging |
| |
| U-Boot Compilation |
| ------------------ |
| |
| .. code-block:: bash |
| |
| $ export CROSS_COMPILE=aarch64-none-elf- |
| $ make odroid-go-ultra_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 odroid-go-ultra /path/to/u-boot/u-boot.bin my-output-dir |
| |
| Then write the image 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 |
