Template:iMX8M-UBOOT: Difference between revisions
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==== Setup the cross compiler and CPU architecture ==== | ==== Setup the cross compiler and CPU architecture ==== | ||
$ export ARCH=arm64 | $ export ARCH=arm64 | ||
$ export CROSS_COMPILE=/opt/cross/aarch64-ronetix-linux- | $ export CROSS_COMPILE=/opt/cross/aarch64-ronetix-linux-11.1/bin/aarch64-ronetix-linux-gnu- | ||
Cross compiler can be downloaded from here: | |||
http://download.ronetix.at/toolchains/crosstool-ng | |||
==== Clone the latest revision of the repo ==== | ==== Clone the latest revision of the repo ==== | ||
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==== Download and build i.MX8M firmware ==== | ==== Download and build i.MX8M firmware ==== | ||
$ | $ source tools/imx8m_build_firmware.sh {{#var:SOC}} | ||
==== Build ==== | ==== Build ==== | ||
$ make | $ make flash.bin | ||
= Build Results = | = Build Results = | ||
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| style="padding: 5px;"| u-boot-dtb.imx | | style="padding: 5px;"| u-boot-dtb.imx | ||
| style="padding: 5px;"| U-BOOT image with DTB | | style="padding: 5px;"| U-BOOT image with DTB | ||
|- | |||
| style="padding: 5px;"| flash.bin | |||
| style="padding: 5px;"| U-BOOT image with DTB and firmware | |||
|- | |- | ||
|} | |} | ||
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= Flashing U-BOOT image to a SD card = | = Flashing U-BOOT image to a SD card = | ||
Replace sdX with the right device name. | Replace sdX with the right device name. | ||
$ sudo dd if= | $ sudo dd if=flash.bin of=/dev/sdX bs=1k seek={{#var:SEEK}} conv=fsync | ||
= See also = | = See also = | ||
Latest revision as of 11:18, 11 October 2021
Overview
The U-Boot boot-loader is used for low-level initialization and operating system loading.
Building U-BOOT for
This U-BOOT is based on https://source.codeaurora.org/external/imx/uboot-imx.git, branch
Setup the cross compiler and CPU architecture
$ export ARCH=arm64 $ export CROSS_COMPILE=/opt/cross/aarch64-ronetix-linux-11.1/bin/aarch64-ronetix-linux-gnu-
Cross compiler can be downloaded from here: http://download.ronetix.at/toolchains/crosstool-ng
Clone the latest revision of the repo
$ git clone https://github.com/ronetix/u-boot.git u-boot-ronetix --depth=1 -b $ cd u-boot-ronetix
Configure
$ make
Download and build i.MX8M firmware
$ source tools/imx8m_build_firmware.sh
Build
$ make flash.bin
Build Results
| File Name | Description |
|---|---|
| u-boot | U-BOOT ELF image used for JTAG debugging |
| u-boot-dtb.imx | U-BOOT image with DTB |
| flash.bin | U-BOOT image with DTB and firmware |
Flashing U-BOOT image to a SD card
Replace sdX with the right device name.
$ sudo dd if=flash.bin of=/dev/sdX bs=1k seek= conv=fsync