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|style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#edf8fb; padding:5px; color:#000000"|1.0.0
|style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#edf8fb; padding:5px; color:#000000"|Jan Feb 2022
|style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#edf8fb; padding:5px; color:#000000"|First DESK-MX8M release
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| desk-mx8m-l-2.0.0-rc2
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==== i.MX8 Boot Image====
The System Controller Unit (SCU) represents the evolution of centralized control for system-level resources on i.MX8. The heart of the system controller is a Cortex-M4 that executes System Controller Firmware. The SCF is an essential part of the i.MX8 architecture. Please find more information about SCF [https://community.nxp.com/t5/Connects-Training-Material/Infotainment-Connectivity-Security-Introduction-to-the-System/ta-p/1115096 here].
TF-A binary, scfw_tcm.bin and u-boot.bin are combined together to generate a binary file called flash.bin; the <code>imx-mkimage</code> tool is used to generate '''flash.bin''', and flash.bin needs to be flashed into the bootable storage device.
In the following paragraphs we will explain how to get or build those binaries to be combined in a single binary to be flashed in the bootable storage device.
=== Instructions ===
It is assumed that the development environment has been set up properly as described [[DESK-MX8M-L#Quick_start_guide|here]].
* start the Linux development VM and login into the system
* open a terminal window and ''cd'' into <code>desk-mx-l</code> directory
<pre>
cd desk-mx-l
</pre>
=== Clone the repositories ===
* clone ''recursively'' the Boot repositories
<pre class="workstation-terminal">
cd dvdk@vagrant:~/desk-mx-l$ git clone --recursive git@git.dave.eu:desk-mx-l/desk-mx8-mkimage.gitCloning into 'desk-mx8-mkimage'...remote: Enumerating objects: 57, done.remote: Total 57 (delta 0), reused 0 (delta 0), pack-reused 57Receiving objects: 100% (57/57), 7.14 KiB | 7.14 MiB/s, done.Resolving deltas: 100% (28/28), done.dvdk@vagrant:~/desk-mx-l$ </pre> * checkout the required branch<pre>git checkout desk-mx8m-l-rel-2.0.0</pre> * configure the build environment for cross-compilation <pre>source /home/dvdk/desk-mx-l/desk-mx8m-l-2.0.0-rc2_env.sh</pre> === Build U-Boot ===First step is to build U-Boot binaries: the same instructions can be found in the dedicated [[DESK-MX8M-L/Development/Building_U-Boot | wiki page]]<pre>cd u-boot-imx</pre>* select the proper <code>defconfig</code> and start the ''make'' compilation<pre>make imx8mp_mito8mplus_defconfigmake
</pre>
* clone 'recursively === Build ATF ===This process builds the Boot repositoriesARM Trusted Firmware: please find more information [https://trustedfirmware-a.readthedocs.io/en/v2.2/plat/imx8.html here]
<pre>
git clone cd imx--recursive git@git.dave.eu:desk-mx-l/desk-mx8-mkimage.gitatf
</pre>
* checkout Please note that this is usually a generic command that generates all required binaries (kernel + device trees) for the different platform. In other words: it is not usually required branchto specify a different target depending on specific board configuration. === Get i.MX firmware ===This will download the binary archive, accept EULA automatically (you must agree with that) and extract the archive itself
<pre class="workstation-terminal">
git checkout dvdk@vagrant:~/desk-mx8mmx-l/desk-mx8-mkimage$ ./fetch_firmware.sh-rel-22022-02-17 11:37:24-- https://www.nxp.com/lgfiles/NMG/MAD/YOCTO/firmware-imx-8.10.binResolving www.nxp.com (www.nxp.com)... 104.120.105.182Connecting to www.nxp.com (www.nxp.com)|104.120.105.182|:443... connected.HTTP request sent, awaiting response... 200 OKLength: 1467137 (1.4M) [application/octet-stream]Saving to: ‘firmware-imx-8.10.bin’ firmware-imx-8.10.bin 100%[=====================================================================================================>] 1.40M 4.63MB/s in 0.0 3s 2022-02-17 11:37:25 (4.63 MB/s) - ‘firmware-imx-8.10.bin’ saved [1467137/1467137] Welcome to NXP firmware-imx-8.10.bin WARNING: EULA has been auto-accepted; this implies that you agree with it.Unpacking file .......................................................................... donedvdk@vagrant:~/desk-mx-l/desk-mx8-mkimage$
</pre>
* configure === Generate Boot image ===After building the build environmentsingle pieces of software, run:<pre>./${BOARD}_generate_flash.bin</pre> where BOARD is: <code>imx8mp-mito8mplus</code> or <code>imx8mm-mito8mmini</code> For [[ORCA SOM | ORCA]]:
<pre class="workstation-terminal">
source /home/dvdk@vagrant:~/desk-mx-l/desk-mx8mmx8-lmkimage$ ./imx8mp-2mito8mplus_generate_flash.0bin .0.....dvdk@vagrant:~/desk-mx-l/desk-rc2_env.shmx8-mkimage$
</pre>
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[[Category:ORCA]] [[Category:MITO 8M Mini]]