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<p><img class="editor-inline-macro" src="/plugins/servlet/confluence/placeholder/macro?definition=e3RvYzpzdHlsZT1zcXVhcmV9&locale=en_GB&version=2" data-macro-name="toc" data-macro-parameters="style=square"></p><h1><span style="color: rgb(0,51,102);">Build and Install Linux System for <em>SMARC-iMX8MM</em> (Solo, Solo Lite, Dual, Dual Lie, Quad and Quad Lite Core)</span></h1><hr /><p>This document provides instructions for advanced users how Embedian offers patches and builds a customized version of u-boot and linux kernel for Embedian's <em>SMARC-iMX8MM</em> product platform and how to install the images to bring the evaluation board up and running. </p><p><span style="color: rgb(0,0,0);">Our aim is to fully support our hardware through device drivers. We also provide unit tests so that testing a board is easy and custom development can start precisely.</span></p><p><span style="color: rgb(0,0,0);">The host Linux machine is recommended Ubuntu 20.04 or 22.04.</span></p><p><span style="color: rgb(0,51,102);"><span style="color: rgb(0,0,0);">Once you have Ubuntu 20.04 or 22.04 LTS running, install the additional required support packages using the following console command:</span></span></p><table class="wysiwyg-macro" data-macro-name="info" data-macro-parameters="icon=false" style="background-image: url(/plugins/servlet/confluence/placeholder/macro-heading?definition=e2luZm86aWNvbj1mYWxzZX0&locale=en_GB&version=2); background-repeat: no-repeat;" data-macro-body-type="RICH_TEXT"><tr><td class="wysiwyg-macro-body"><p><code><span style="color: rgb(0,51,102);">$ sudo apt-get install gawk wget git-core diffstat unzip texinfo gcc-multilib build-essential chrpath socat cpio python python3 python3-pip python3-pexpect xz-utils debianutils iputils-ping python3-git python3-jinja2 libegl1-mesa libsdl1.2-dev pylint xterm rsync curl zstd lz4 libssl-dev pv device-tree-compiler libghc-gnutls-dev</span></code></p></td></tr></table><h1><span style="color: rgb(0,51,102);">Availability</span></h1><hr /><p><a href="http://www.embedian.com/index.php?main_page=product_info&cPath=1&products_id=28">SMARC-iMX8MM</a> at Embedian</p><h1><span style="color: rgb(0,51,102);">Carrier Board</span></h1><hr /><p><a href="http://www.embedian.com/index.php?main_page=product_info&cPath=6&products_id=3">SBC-SMART-BEE</a> (module and carrier board) at Embedian</p><p><a href="http://www.embedian.com/index.php?main_page=product_info&cPath=6&products_id=19">SBC-SMART-MEN</a> (module and carrier board) at Embedian</p><p><a href="http://www.embedian.com/index.php?main_page=product_info&cPath=8&products_id=2">EVK-STD-CARRIER-S20</a> (universal carrier board for all SMARC 1.1 and 2.0 modules) at Embedian</p><h1><span style="color: rgb(0,51,102);">Basic Resources</span></h1><hr /><p><span style="color: rgb(0,51,102);"> </span></p><ul><li>ARM Cross Compiler<ul><li>ARM: <a href="https://developer.arm.com/downloads/-/gnu-a">https://developer.arm.com/downloads/-/gnu-a</a></li></ul></li><li>Bootloader<ul><li>Das U-Boot – the Universal Boot Loader <a class="external-link" href="http://www.denx.de/wiki/U-Boot" rel="nofollow">http://www.denx.de/wiki/U-Boot</a></li><li>Source – <a class="external-link" href="http://git.denx.de/?p=u-boot.git;a=summary" rel="nofollow">http://git.denx.de/?p=u-boot.git;a=summary</a></li></ul></li><li>Linux Kernel<ul><li>Linus's Mainline tree: <span class="nolink"><a href="http://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git;a=summary">http://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git;a=summary</a></span></li><li>NXP Linux source tree: <a href="git://github.com/nxp-imx/linux-imx.git">git://github.com/nxp-imx/linux-imx.git</a></li><li>NXP Yocto BSP meta layer: <a href="https://github.com/nxp-imx/meta-imx" rel="nofollow"><span style="color: rgb(0,51,102);">https://github.com/nxp-imx/meta-imx</span></a><span style="color: rgb(0,51,102);">/meta-bsp</span></li><li>Freescale community BSP release: <a href="https://github.com/Freescale/meta-freescale-distro" rel="nofollow"><span style="color: rgb(0,51,102);">https://github.com/Freescale/meta-freescale-distro</span></a></li><li>Embedian SMARC-iMX8MM Linux kernel source tree:<a> git@git.embedian</a>.<a href="http://comdeveloper/">com:developer/smarc-fsl-linux-kernel.git</a> or git@github.<a href="http://comembedian/">com:embedian/smarc-fsl-linux-kernel.git</a></li></ul></li><li>ARM based rootfs<ul><li>Debian Squeeze: <a class="external-link" href="http://www.debian.org/" rel="nofollow">http://www.debian.org/</a><br /><br /></li></ul></li></ul><h1><span style="color: rgb(0,51,102);">ARM Cross Compiler: GCC</span></h1><hr /><p>This is a pre-built (32bit) version of Linaro GCC that runs on generic linux, so 64bit users need to make sure they have installed the 32bit libraries for their distribution.</p><table class="confluenceTable"><tbody><tr><th class="confluenceTh">debian based</th><th class="confluenceTh">extra</th><th class="confluenceTh">pkgs: (sudo apt-get update ; sudo apt-get install xyz)</th></tr><tr><td class="confluenceTd"><p>Ubuntu 20.04</p></td><td class="confluenceTd"><p> </p></td><td class="confluenceTd"><p>ia32-libs</p></td></tr><tr><td class="confluenceTd"><p>Debian 11 (Bullseye)</p></td><td class="confluenceTd"><p>sudo dpkg --add-architecture i386</p></td><td class="confluenceTd"><p><a href="http://libc6i386/">libc6:i386</a> libstdc++6:i386 <a href="http://libncurses5i386/">libncurses5:i386</a> <a href="http://zlib1gi386/">zlib1g:i386</a></p></td></tr><tr><td colspan="1" class="confluenceTd"><p>Ubuntu 20.10 -> 22.04</p></td><td colspan="1" class="confluenceTd"><p> </p></td><td colspan="1" class="confluenceTd"><p><a href="http://libc6i386/">libc6:i386</a> libstdc++6:i386 <a href="http://libncurses5i386/">libncurses5:i386</a> <a href="http://zlib1gi386/">zlib1g:i386</a></p></td></tr><tr><td class="confluenceTd"><p>Red Hat/Centos/Fedora</p></td><td class="confluenceTd"><p> </p></td><td class="confluenceTd"><p>libstdc++.i686 ncurses-devel.i686 zlib.i686</p></td></tr><tr><th class="confluenceTh"><p>Red Hat based (rpm)</p></th><th class="confluenceTh"><p>extra</p></th><th class="confluenceTh"><p>pkgs: (yum install xyz)</p></th></tr><tr><td class="confluenceTd"><p>Red Hat/Centos/Fedora</p></td><td class="confluenceTd"><p> </p></td><td class="confluenceTd"><p>libstdc++.i686 ncurses-devel.i686 zlib.i686</p></td></tr><tr><td colspan="1" class="confluenceTd"><p>Ubuntu 22.04</p></td><td colspan="1" class="confluenceTd"><p> </p></td><td colspan="1" class="confluenceTd"><p>ia32-libs</p></td></tr><tr><td colspan="1" class="confluenceTd"><p>Ubuntu 20.10 -> 22.04</p></td><td colspan="1" class="confluenceTd"><p> </p></td><td colspan="1" class="confluenceTd"><p><a href="http://libc6i386/">libc6:i386</a> libstdc++6:i386 <a href="http://libncurses5i386/">libncurses5:i386</a> <a href="http://zlib1gi386/">zlib1g:i386</a></p></td></tr></tbody></table><p><span style="color: rgb(0,0,0);"><br /></span></p><p><span style="color: rgb(0,0,0);">To build Embedian’s <em>SMARC-iMX8MM</em> u-boot and linux kernel, you will need to install the following ARM compiler: </span></p><p>For <span style="color: rgb(0,51,102);"><strong>u-boot 2022.04</strong></span>, you need to use the following Arm compiler.<span style="color: rgb(0,0,0);"> </span></p><table class="wysiwyg-macro" data-macro-name="info" data-macro-parameters="icon=false" style="background-image: url(/plugins/servlet/confluence/placeholder/macro-heading?definition=e2luZm86aWNvbj1mYWxzZX0&locale=en_GB&version=2); background-repeat: no-repeat;" data-macro-body-type="RICH_TEXT"><tr><td class="wysiwyg-macro-body"><p><code><span style="color: rgb(0,51,102);">$ wget -c <span class="nolink">https://developer.arm.com/-/media/Files/downloads/gnu-a/9.2-2019.12/binrel/gcc-arm-9.2-2019.12-x86_64-aarch64-none-linux-gnu.tar.xz</span></span></code></p><p><code><span style="color: rgb(0,51,102);">$ sudo tar -Jxvf <span style="color: rgb(0,51,102);">gcc-arm-9.2-2019.12-x86_64-aarch64-none-linux-gnu.tar.xz</span> -C /opt</span></code></p><p><code><span style="color: rgb(0,51,102);">$ export CC=/opt/gcc-arm-9.2-2019.12-x86_64-aarch64-none-linux-gnu/bin/aarch64-none-linux-gnu-</span></code></p></td></tr></table><p><span style="color: rgb(0,0,0);"><span style="color: rgb(51,51,51);"><br />Test:</span><br /></span></p><p><strong>If this test fails, verify that you have the 32bit libraries installed on your development system.</strong></p><table class="wysiwyg-macro" data-macro-name="info" data-macro-parameters="icon=false" style="background-image: url(/plugins/servlet/confluence/placeholder/macro-heading?definition=e2luZm86aWNvbj1mYWxzZX0&locale=en_GB&version=2); background-repeat: no-repeat;" data-macro-body-type="RICH_TEXT"><tr><td class="wysiwyg-macro-body"><p><code><span style="color: rgb(0,51,102);">$ ${CC}gcc --version</span></code><br /><code>arm-none-linux-gnueabihf-gcc (GNU Toolchain for the A-profile Architecture 9.2-2019.12 (arm-9.10)) 9.2.1 20191025</code><br /><code>Copyright (C) 2019 Free Software Foundation, Inc.</code><br /><code>This is free software; see the source for copying conditions. There is NO</code><br /><code>warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.</code></p></td></tr></table><h1><span style="color: rgb(0,51,102);">Generating SSH Keys</span></h1><hr /><p>We recommend you use SSH keys to establish a secure connection between your computer and Embedian Gitlab server. The steps below will walk you through generating an SSH key and then adding the public key to our Gitlab account.</p><h3><span style="color: rgb(0,51,102);">Step 1. Check for SSH keys</span></h3><hr /><p>First, we need to check for existing ssh keys on your computer. Open up <span class="platform-windows">Git Bash</span> and run:</p><table class="wysiwyg-macro" data-macro-name="code" data-macro-parameters="language=cpp|theme=Confluence" style="background-image: url(/plugins/servlet/confluence/placeholder/macro-heading?definition=e2NvZGU6dGhlbWU9Q29uZmx1ZW5jZXxsYW5ndWFnZT1jcHB9&locale=en_GB&version=2); background-repeat: no-repeat;" data-macro-body-type="PLAIN_TEXT"><tr><td class="wysiwyg-macro-body"><pre>$ cd ~/.ssh $ ls # Lists the files in your .ssh directory</pre></td></tr></table><p>Check the directory listing to see if you have a file named either <code>id_rsa.pub</code> or <code>id_dsa.pub</code>. If you don't have either of those files go to <strong>step 2</strong>. Otherwise, you already have an existing keypair, and you can skip to <strong>step 3</strong>.</p><h3><span style="color: rgb(0,51,102);">Step 2. Generate a new SSH key</span></h3><hr /><p>To generate a new SSH key, enter the code below. We want the default settings so when asked to enter a file in which to save the key, just press enter.</p><table class="wysiwyg-macro" data-macro-name="code" data-macro-parameters="language=cpp|theme=Confluence" style="background-image: url(/plugins/servlet/confluence/placeholder/macro-heading?definition=e2NvZGU6dGhlbWU9Q29uZmx1ZW5jZXxsYW5ndWFnZT1jcHB9&locale=en_GB&version=2); background-repeat: no-repeat;" data-macro-body-type="PLAIN_TEXT"><tr><td class="wysiwyg-macro-body"><pre>$ ssh-keygen -t ed25519 -C "your_email@example.com" Generating public/private ed25519 key pair. Enter file in which to save the key (/home/eric/.ssh/id_ed25519): Enter passphrase (empty for no passphrase): Enter same passphrase again: Your identification has been saved in /home/eric/.ssh/id_ed25519 Your public key has been saved in /home/eric/.ssh/id_ed25519.pub The key fingerprint is: SHA256:SS9opo/QHxT2cCwlX+ulhn3ZUVdhdG88vvliOVHJ/6c your_email@example.com The key's randomart image is: +--[ED25519 256]--+ | . . . .+B| | = . . .o+| | = = . . o.=| | . O * o o.=o| | = S * o .o.| | . = o . . +| | . o . =.| | . + . = +| | . o .E+o| +----[SHA256]-----+</pre></td></tr></table><h3><span style="color: rgb(0,51,102);">Step 3. Add your SSH key to Embedian Gitlab Server</span></h3><hr /><p>Copy the key to your clipboard.</p><table class="wysiwyg-macro" data-macro-name="code" data-macro-parameters="language=cpp|theme=Confluence" style="background-image: url(/plugins/servlet/confluence/placeholder/macro-heading?definition=e2NvZGU6dGhlbWU9Q29uZmx1ZW5jZXxsYW5ndWFnZT1jcHB9&locale=en_GB&version=2); background-repeat: no-repeat;" data-macro-body-type="PLAIN_TEXT"><tr><td class="wysiwyg-macro-body"><pre>$ cat ~/.ssh/id_ed25519 ssh-rsa AAAAB3NzaC1yc2EAAABDAQABAAABAQDQUEnh8uGpfxaZVU6+uE4bsDrs/tEE5/BPW7jMAxak 6qgOh6nUrQGBWS+VxMM2un3KzwvLRJSj8G4TnTK2CSmlBvR+X8ZeXNTyAdaDxULs/StVhH+QRtFEGy4o iMIzvIlTyORY89jzhIsgZzwr01nqoSeWWASd+59JWtFjVy0nwVNVtbek7NfuIGGAPaijO5Wnshr2uChB Pk8ScGjQ3z4VqNXP6CWhCXTqIk7EQl7yX2GKd6FgEFrzae+5Jf63Xm8g6abbE3ytCrMT/jYy5OOj2XSg 6jlxSFnKcONAcfMTWkTXeG/OgeGeG5kZdtqryRtOlGmOeuQe1dd3I+Zz3JyT your_email@example.c om</pre></td></tr></table><p><span style="color: rgb(51,51,51);">Go to </span><a href="http://git.embedian.com/" style="font-size: 14.0px;">Embedian Git Server</a><span style="color: rgb(51,51,51);">. At </span><span style="color: rgb(0,51,102);">Profile Setting --> SSH Keys --> Add SSH Key </span></p><p>Paste your public key and press "<span style="color: rgb(0,51,102);">Add Key</span>" and your are done.</p><h1><span style="color: rgb(0,51,102);">Boot File: flash.bin</span></h1><hr /><p>The boot file is called <span style="color: rgb(0,51,102);">flash.bin</span>. It is made up of some pieces of programs. This section instruct you how to generate flash.bin. </p><p>1. Download the imx-mkimage tool and apply Embedian's patch to accept Embedian's device tree blob.</p><table class="wysiwyg-macro" data-macro-name="info" data-macro-parameters="icon=false" style="background-image: url(/plugins/servlet/confluence/placeholder/macro-heading?definition=e2luZm86aWNvbj1mYWxzZX0&locale=en_GB&version=2); background-repeat: no-repeat;" data-macro-body-type="RICH_TEXT"><tr><td class="wysiwyg-macro-body"><p><code><span style="color: rgb(0,51,102);">$ git clone <span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink">https://github.com/nxp-imx/imx-mkimage</span></span></span></span></span></span> -b lf-5.15.71_2.2.0</span></code></p><p><code><span style="color: rgb(0,51,102);">$ cd imx-mkimage</span></code></p><p><code><span style="color: rgb(0,51,102);">$ wget -c ftp://ftp.embedian.com/public/smarcimx8mm/0005-imx8mm-change-uboot-device-tree-name.patch<a href="ftp://ftp.embedian.com/public/smarcimx8m/0002-change-uboot-device-tree-name.patch" /></span></code></p><p><code><span style="color: rgb(0,51,102);">$ patch -p1 <0005-imx8mm-change-uboot-device-tree-name.patch</span></code></p><p><code><span style="color: rgb(0,51,102);">$ cd ../</span></code></p></td></tr></table><p>2. Get and Build the ARM Trusted firmware and copy bl31.bin to imx-mkimage/iMX8M directory.</p><table class="wysiwyg-macro" data-macro-name="info" data-macro-parameters="icon=false" style="background-image: url(/plugins/servlet/confluence/placeholder/macro-heading?definition=e2luZm86aWNvbj1mYWxzZX0&locale=en_GB&version=2); background-repeat: no-repeat;" data-macro-body-type="RICH_TEXT"><tr><td class="wysiwyg-macro-body"><p><code><span style="color: rgb(0,51,102);">$ git clone https://<span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink">github.com/nxp-imx/imx-atf</span></span></span></span></span> -b lf_v2.6</span></code></p><p><code><span style="color: rgb(0,51,102);">$ cd imx-atf</span></code></p><p><span style="color: rgb(0,51,102);">$ <code>wget -c </code><code>ftp://ftp.embedian.com/public/smarcimx8mm/0007-imx8mm-atf-uart4.patch</code></span></p><p><code><span style="color: rgb(0,51,102);">$ patch -p1 <0007-imx8mm-atf-uart4.patch</span></code></p><p><code><span style="color: rgb(0,51,102);">$</span> <span style="color: rgb(0,51,102);">make CROSS_COMPILE=${CC} PLAT=imx8mm bl31</span></code></p><p><code><span style="color: rgb(0,51,102);">$ cp build/imx8mm/release/bl31.bin ../imx-mkimage/iMX8M/</span></code></p><p><code><span style="color: rgb(0,51,102);">$ cd ../</span></code></p></td></tr></table><p>3. Get the DDR firmware and copy to imx-mkimage/iMX8M/ directory.</p><table class="wysiwyg-macro" data-macro-name="info" data-macro-parameters="icon=false" style="background-image: url(/plugins/servlet/confluence/placeholder/macro-heading?definition=e2luZm86aWNvbj1mYWxzZX0&locale=en_GB&version=2); background-repeat: no-repeat;" data-macro-body-type="RICH_TEXT"><tr><td class="wysiwyg-macro-body"><p><code><span style="color: rgb(0,51,102);">$ </span><span style="color: rgb(0,51,102);">wget <span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink">https://www.nxp.com/lgfiles/NMG/MAD/YOCTO/firmware-imx-8.18.bin</span></span></span></span></span></span></span></code></p><p><code><span style="color: rgb(0,51,102);">$ chmod a+x firmware-imx-8.18.bin</span></code></p><p><code><span style="color: rgb(0,51,102);">$ ./firmware-imx-8.18<br />enter "y" to accept EULA</span></code></p><p><code><span style="color: rgb(0,51,102);">$ cd firmware-imx-8.18</span></code></p><p><code><span style="color: rgb(0,51,102);">$ cp firmware/ddr/synopsys/lpddr4_pmu_train_1d_dmem.bin ../imx-mkimage/iMX8M/<br />$ cp firmware/ddr/synopsys/lpddr4_pmu_train_1d_imem.bin ../imx-mkimage/iMX8M/<br />$ cp firmware/ddr/synopsys/lpddr4_pmu_train_2d_dmem.bin ../imx-mkimage/iMX8M/<br />$ cp firmware/ddr/synopsys/lpddr4_pmu_train_2d_imem.bin ../imx-mkimage/iMX8M/</span></code></p><p><code><span style="color: rgb(0,51,102);"> </span></code><span style="color: rgb(0,51,102);">$ cd ../</span></p></td></tr></table><p>4. Clone the U-Boot source code from <a href="http://git.embedian.com/developer/smarc-t335x-uboot.git">Embedian Git Server</a> and copy related files to imx-mkimage/iMX8M/ directory.</p><p>Download:</p><p><span style="color: rgb(0,51,102);"><u><strong>For u-boot v2022.04:</strong></u> </span></p><table class="wysiwyg-macro" data-macro-name="info" data-macro-parameters="icon=false" style="background-image: url(/plugins/servlet/confluence/placeholder/macro-heading?definition=e2luZm86aWNvbj1mYWxzZX0&locale=en_GB&version=2); background-repeat: no-repeat;" data-macro-body-type="RICH_TEXT"><tr><td class="wysiwyg-macro-body"><pre>$ git clone git@git.embedian.com:developer/smarc-t335x-uboot.git v2022.04 -b emb_lf_v2022.04</pre></td></tr></table><p><br />Configure and Build:</p><table class="wysiwyg-macro" data-macro-name="info" data-macro-parameters="icon=false" style="background-image: url(/plugins/servlet/confluence/placeholder/macro-heading?definition=e2luZm86aWNvbj1mYWxzZX0&locale=en_GB&version=2); background-repeat: no-repeat;" data-macro-body-type="RICH_TEXT"><tr><td class="wysiwyg-macro-body"><p><code><span style="color: rgb(0,51,102);">$ make ARCH=arm CROSS_COMPILE=${CC} distclean</span></code></p><p><code><span style="color: rgb(0,51,102);">$ make ARCH=arm CROSS_COMPILE=${CC} smarcimx8mm_2g_ser3_defconfig</span></code></p><p><code><span style="color: rgb(0,51,102);">$ make ARCH=arm CROSS_COMPILE=${CC}</span></code></p></td></tr></table><table class="wysiwyg-macro" data-macro-name="note" data-macro-parameters="icon=false" style="background-image: url(/plugins/servlet/confluence/placeholder/macro-heading?definition=e25vdGU6aWNvbj1mYWxzZX0&locale=en_GB&version=2); background-repeat: no-repeat;" data-macro-body-type="RICH_TEXT"><tr><td class="wysiwyg-macro-body"><p><em><strong><span style="color: rgb(0,51,102);">Note1:</span></strong></em></p><p>If the board is 2GB LPDDR4 in commercial or industrial temperature, use<br /><code><span style="color: rgb(0,51,102);">$ make ARCH=arm CROSS_COMPILE=${CC} smarcimx8mm_2g_ser3_defconfig</span></code></p><p>If the board is 4GB LPDDR4, use<span style="color: rgb(0,51,102);"><br /><code>$ make ARCH=arm CROSS_COMPILE=${CC} smarcimx8mm_4g_ser3_defconfig</code></span></p><p><span style="color: rgb(0,51,0);"><em><strong>Note 2:</strong></em></span></p><p>"<em>ser3</em>" stands for console debug port in SMARC definition. In this example, we uses SER3 as debug port. If user uses SER0 as your debug port, make change to "<em>ser0</em>" instead. Same as SER1 and SER2.</p><p><span style="color: rgb(0,51,0);"><em><strong>Note 3:</strong></em></span></p><p>To change the debug port, in addition to u-boot defconfig and uEnv.txt files, you also need to modify <em>plat/imx/imx8m/imx8mm/include/platform_def.h</em> in the imx-atf. Find "<em>#define IMX_BOOT_UART_BASE U(0x30890000)</em>" and change to the correct address that defined in uEnv.txt file.</p><p><span style="color: rgb(0,51,0);"><em><strong>Note 4:</strong></em></span></p><p>The <em>SMARC-iMX8MM</em> module always boot up from the on-module <em>eMMC</em> flash. The factory default will be <em>flash.bin</em> pre-installed with SER3 as console output. In some cases when the <em>eMMC</em> flash is empty or needs to be upgraded. Users can shunt crossed the <em>TEST#</em> to ground. In this way, the <em>SMARC-iMX8MM</em> module will boot up to carrier SD card. The <em>flash.bin</em> image are the same, the difference is where you flash <em>flash.bin</em>. This will be explained in the "Setup SD card" section.</p></td></tr></table><p>Copy <code>u-boot-nodtb.bin spl/u-boot-spl.bin arch/arm/dts/imx8mm-smarc.dtb</code> to <code>imx-mkimage/iMX8M</code> directory and copy <code>tools/mkimage</code> to <code>imx-mkimage/iMX8M/mkimage_uboot</code></p><table class="wysiwyg-macro" data-macro-name="info" data-macro-parameters="icon=false" style="background-image: url(/plugins/servlet/confluence/placeholder/macro-heading?definition=e2luZm86aWNvbj1mYWxzZX0&locale=en_GB&version=2); background-repeat: no-repeat;" data-macro-body-type="RICH_TEXT"><tr><td class="wysiwyg-macro-body"><p><code><span style="color: rgb(0,51,102);">$ </span><span style="color: rgb(0,51,102);">cp u-boot-nodtb.bin spl/u-boot-spl.bin arch/arm/dts/imx8mm-smarc.dtb ../imx-mkimage/iMX8M/</span></code></p><p><code><span style="color: rgb(0,51,102);">$ cp tools/mkimage ../imx-mkimage/iMX8M/mkimage_uboot</span></code></p></td></tr></table><p>5. Generate flash.bin file.</p><table class="wysiwyg-macro" data-macro-name="info" data-macro-parameters="icon=false" style="background-image: url(/plugins/servlet/confluence/placeholder/macro-heading?definition=e2luZm86aWNvbj1mYWxzZX0&locale=en_GB&version=2); background-repeat: no-repeat;" data-macro-body-type="RICH_TEXT"><tr><td class="wysiwyg-macro-body"><p><code><span style="color: rgb(0,51,102);">$ </span><span style="color: rgb(0,51,102);">cd ../imx-mkimage</span></code></p><p><code><span style="color: rgb(0,51,102);">$ make CROSS_COMPILE=${CC} SOC=iMX8MM flash_spl_uboot</span></code></p></td></tr></table><p>The flash.bin file will be located at imx-mkimage/iMX8M directory. Go to "Setup SD Card" section to instruct you how to flash this file into SD card.</p><h1><span style="color: rgb(0,51,102);">Linux Kernel</span></h1><hr /><p>Download:</p><p><span style="color: rgb(0,51,102);"><u><strong>For 5.15.71 (Based on NXP imx_lf-5.15.y official release):</strong></u></span></p><table class="wysiwyg-macro" data-macro-name="info" data-macro-parameters="icon=false" style="background-image: url(/plugins/servlet/confluence/placeholder/macro-heading?definition=e2luZm86aWNvbj1mYWxzZX0&locale=en_GB&version=2); background-repeat: no-repeat;" data-macro-body-type="RICH_TEXT"><tr><td class="wysiwyg-macro-body"><pre>$ git clone git@git.embedian.com:developer/smarc-fsl-linux-kernel.git v5.15.71 -b emb_imx_lf-5.15.y</pre></td></tr></table><p><br />Configure and Build:<u><strong><br /></strong></u></p><table class="wysiwyg-macro" data-macro-name="info" data-macro-parameters="icon=false" style="background-image: url(/plugins/servlet/confluence/placeholder/macro-heading?definition=e2luZm86aWNvbj1mYWxzZX0&locale=en_GB&version=2); background-repeat: no-repeat;" data-macro-body-type="RICH_TEXT"><tr><td class="wysiwyg-macro-body"><pre>$ make ARCH=arm64 CROSS_COMPILE=${CC} distclean</pre><pre>$ make ARCH=arm64 CROSS_COMPILE=${CC} emb_imx_v8_defconfig</pre><pre>$ make ARCH=arm64 CROSS_COMPILE=${CC} Image modules dtbs</pre></td></tr></table><p><span style="color: rgb(0,0,0);">All available DTB files are listed in the table below.</span></p><table class="confluenceTable"><tbody><tr><th style="text-align: center;" class="confluenceTh"><span style="color: rgb(0,51,102);">DTB Name</span></th><th style="text-align: center;" class="confluenceTh"><span style="color: rgb(0,51,102);">Description</span></th></tr><tr><td class="confluenceTd"><code><span style="color: rgb(0,51,102);"><em>imx8mm-smarc.dtb</em></span></code></td><td class="confluenceTd"><span style="color: rgb(0,0,0);">Device tree blob for SMARC-iMX8MM</span></td></tr></tbody></table><h1><span style="color: rgb(0,51,102);">Root File System</span></h1><hr /><p><u><span style="color: rgb(0,51,102);"><strong>Ubuntu ARM64 18.04:</strong></span></u><u><span style="color: rgb(0,51,102);"> </span></u></p><table class="confluenceTable"><tbody><tr><th class="confluenceTh">User</th><th class="confluenceTh">Password</th></tr><tr><td class="confluenceTd">root</td><td class="confluenceTd">N/A</td></tr></tbody></table><p>Ubuntu 18.04 Download:</p><table class="wysiwyg-macro" data-macro-name="info" data-macro-parameters="icon=false" style="background-image: url(/plugins/servlet/confluence/placeholder/macro-heading?definition=e2luZm86aWNvbj1mYWxzZX0&locale=en_GB&version=2); background-repeat: no-repeat;" data-macro-body-type="RICH_TEXT"><tr><td class="wysiwyg-macro-body"><pre>$ wget -c ftp://ftp.embedian.com/public/dev/minfs/ubuntu/bionic/ubuntu-minimal-imx8mm-18.04-arm64.tar.gz</pre></td></tr></table><p>Verify:</p><table class="wysiwyg-macro" data-macro-name="info" data-macro-parameters="icon=false" style="background-image: url(/plugins/servlet/confluence/placeholder/macro-heading?definition=e2luZm86aWNvbj1mYWxzZX0&locale=en_GB&version=2); background-repeat: no-repeat;" data-macro-body-type="RICH_TEXT"><tr><td class="wysiwyg-macro-body"><pre>$ md5sum ubuntu-minimal-imx8mm-18.04-arm64.tar.gz</pre><pre>78b861b57259b37bdf5efd60836ffa56 ubuntu-minimal-imx8mm-18.04-arm64.tar.gz</pre></td></tr></table><p><u><span style="color: rgb(0,51,102);"><strong><br /></strong></span></u></p><p><u><span style="color: rgb(0,51,102);"><strong>Yocto Kirkstone Build Root File System:</strong></span></u></p><table class="confluenceTable"><tbody><tr><th class="confluenceTh">User</th><th class="confluenceTh">Password</th></tr><tr><td class="confluenceTd">root</td><td class="confluenceTd">N/A</td></tr></tbody></table><p>Find the yocto pre-built root file systems here at <a href="ftp://ftp.embedian.com/public/dev/minfs/">Embedian's ftp site</a> based on your module CPU variants.</p><table class="wysiwyg-macro" data-macro-name="info" data-macro-parameters="icon=false" style="background-image: url(/plugins/servlet/confluence/placeholder/macro-heading?definition=e2luZm86aWNvbj1mYWxzZX0&locale=en_GB&version=2); background-repeat: no-repeat;" data-macro-body-type="RICH_TEXT"><tr><td class="wysiwyg-macro-body"><p><code><span style="color: rgb(0,51,102);">$ wget -c ftp://ftp.embedian.com/public/test/fsl-image-qt6-validation-imx-smarcimx8mm4g.tar.bz2</span></code></p><p><code>$ md5sum <span style="color: rgb(0,51,102);">fsl-image-qt6-validation-imx-smarcimx8mm4g.tar.bz2</span></code></p><p><code>ea4832d04d8729ac54d470fcb10ba2ee fsl-image-qt6-validation-imx-smarcimx8mm4g.tar.bz2</code></p></td></tr></table><h1><span style="color: rgb(0,51,102);">Setup SD Card</span></h1><hr /><p>For these instruction, we are assuming: DISK=/dev/mmcblk0, "lsblk" is very useful for determining the device id.</p><table class="wysiwyg-macro" data-macro-name="info" data-macro-parameters="icon=false" style="background-image: url(/plugins/servlet/confluence/placeholder/macro-heading?definition=e2luZm86aWNvbj1mYWxzZX0&locale=en_GB&version=2); background-repeat: no-repeat;" data-macro-body-type="RICH_TEXT"><tr><td class="wysiwyg-macro-body"><p><code><span style="color: rgb(0,51,102);">$ export DISK=/dev/mmcblk0</span></code></p></td></tr></table><p>Erase SD card:</p><table class="wysiwyg-macro" data-macro-name="info" data-macro-parameters="icon=false" style="background-image: url(/plugins/servlet/confluence/placeholder/macro-heading?definition=e2luZm86aWNvbj1mYWxzZX0&locale=en_GB&version=2); background-repeat: no-repeat;" data-macro-body-type="RICH_TEXT"><tr><td class="wysiwyg-macro-body"><p><span style="color: rgb(0,51,102);">$ <code class="java plain">sudo dd </code><code class="java keyword">if</code><code class="java plain">=/dev/zero of=${DISK} bs=1M count=</code><code class="java value">160</code></span></p></td></tr></table><p>Create Partition Layout:</p><p><strong>With util-linux v2.26, sfdisk was rewritten and is now based on libfdisk</strong>.</p><table class="wysiwyg-macro" data-macro-name="info" data-macro-parameters="icon=false|title=sfdisk" style="background-image: url(/plugins/servlet/confluence/placeholder/macro-heading?definition=e2luZm86aWNvbj1mYWxzZXx0aXRsZT1zZmRpc2t9&locale=en_GB&version=2); background-repeat: no-repeat;" data-macro-body-type="RICH_TEXT"><tr><td class="wysiwyg-macro-body"><div class="line number1 index0 alt2"><span style="color: rgb(0,51,102);"><code class="java plain">$ sudo sfdisk --version</code></span></div><div class="line number2 index1 alt1"><code><span style="color: rgb(0,51,102);">sfdisk from util-linux 2.34</span></code></div></td></tr></table><p>Create Partitions:</p><table class="wysiwyg-macro" data-macro-name="info" data-macro-parameters="title=sfdisk >\=2.26.x" style="background-image: url(/plugins/servlet/confluence/placeholder/macro-heading?definition=e2luZm86dGl0bGU9c2ZkaXNrID49Mi4yNi54fQ&locale=en_GB&version=2); background-repeat: no-repeat;" data-macro-body-type="RICH_TEXT"><tr><td class="wysiwyg-macro-body"><div class="line number1 index0 alt2"><span style="color: rgb(0,51,102);"><code class="java plain">$ sudo sfdisk ${DISK} <<-__EOF__</code></span></div><div class="line number2 index1 alt1"><span style="color: rgb(0,51,102);"><code class="java value">2M</code><code class="java plain">,</code><code class="java value">48M</code><code class="java plain">,</code><code class="java value">0x83</code><code class="java plain">,*</code></span></div><div class="line number3 index2 alt2"><code><span style="color: rgb(0,51,102);">50M,,,</span></code></div><div class="line number4 index3 alt1"><span style="color: rgb(0,51,102);"><code class="java plain">__EOF__</code></span></div></td></tr></table><p><br />Format Partitions:</p><table class="wysiwyg-macro" data-macro-name="info" data-macro-parameters="icon=false" style="background-image: url(/plugins/servlet/confluence/placeholder/macro-heading?definition=e2luZm86aWNvbj1mYWxzZX0&locale=en_GB&version=2); background-repeat: no-repeat;" data-macro-body-type="RICH_TEXT"><tr><td class="wysiwyg-macro-body"><div class="line number1 index0 alt2"><span style="color: rgb(153,51,0);"><code class="java keyword">for</code><code class="java plain">: DISK=/dev/mmcblk0</code></span></div><div class="line number2 index1 alt1"><span style="color: rgb(0,51,102);"><code class="java plain">$ sudo mkfs.vfat -F </code><code class="java value">16</code> <code class="java plain">${DISK}p1 -n boot</code></span></div><div class="line number3 index2 alt2"><span style="color: rgb(0,51,102);"><code class="java plain">$ sudo mkfs.ext4 ${DISK}p2 -L rootfs</code></span></div><div class="line number4 index3 alt1"> </div><div class="line number5 index4 alt2"><span style="color: rgb(128,0,0);"><code class="java keyword">for</code><code class="java plain">: DISK=/dev/sdX</code></span></div><div class="line number6 index5 alt1"><span style="color: rgb(0,51,102);"><code class="java plain">$ sudo mkfs.vfat -F </code><code class="java value">16</code> <code class="java plain">${DISK}</code><code class="java value">1</code> <code class="java plain">-n boot</code></span></div><div class="line number7 index6 alt2"><span style="color: rgb(0,51,102);"><code class="java plain">$ sudo mkfs.ext4 ${DISK}</code><code class="java value">2</code> <code class="java plain">-L rootfs</code></span></div></td></tr></table><p>Mount Partitions:</p><p><strong>On some systems, these partitions may be auto-mounted...</strong></p><table class="wysiwyg-macro" data-macro-name="info" data-macro-parameters="icon=false" style="background-image: url(/plugins/servlet/confluence/placeholder/macro-heading?definition=e2luZm86aWNvbj1mYWxzZX0&locale=en_GB&version=2); background-repeat: no-repeat;" data-macro-body-type="RICH_TEXT"><tr><td class="wysiwyg-macro-body"><div class="line number1 index0 alt2"><span style="color: rgb(0,51,102);"><code class="java plain">$ sudo mkdir -p /media/boot/</code></span></div><div class="line number2 index1 alt1"><span style="color: rgb(0,51,102);"><code class="java plain">$ sudo mkdir -p /media/rootfs/</code></span></div><div class="line number3 index2 alt2"> </div><div class="line number4 index3 alt1"><span style="color: rgb(128,0,0);"><code class="java keyword">for</code><code class="java plain">: DISK=/dev/mmcblk0</code></span></div><div class="line number5 index4 alt2"><span style="color: rgb(0,51,102);"><code class="java plain">$ sudo mount ${DISK}p1 /media/boot/</code></span></div><div class="line number6 index5 alt1"><span style="color: rgb(0,51,102);"><code class="java plain">$ sudo mount ${DISK}p2 /media/rootfs/</code></span></div><div class="line number7 index6 alt2"><code class="java plain"> </code></div><div class="line number8 index7 alt1"><span style="color: rgb(128,0,0);"><code class="java keyword">for</code><code class="java plain">: DISK=/dev/sdX</code></span></div><div class="line number9 index8 alt2"><span style="color: rgb(0,51,102);"><code class="java plain">$ sudo mount ${DISK}</code><code class="java value">1</code> <code class="java plain">/media/boot/</code></span></div><div class="line number10 index9 alt1"><span style="color: rgb(0,51,102);"><code class="java plain">$ sudo mount ${DISK}</code><code class="java value">2</code> <code class="java plain">/media/rootfs/</code></span></div></td></tr></table><h3><span style="color: rgb(0,51,102);">Install Boot File</span></h3><p style="margin-left: 30.0px;"><strong>If on-module eMMC Flash is empty</strong></p><p style="margin-left: 30.0px;">In some cases, when eMMC flash is erased or the u-boot is under development, we need a way to boot from SD card first. Users need to shunt cross the <strong><em><span style="color: rgb(0,51,102);">TEST#</span></em></strong> pin to ground. In this way, <em>SMARC-iMX8MM</em> will always boot up from SD card. </p><p style="margin-left: 30.0px;">Fuse flash.bin to the SD card. </p><table class="wysiwyg-macro" data-macro-name="info" data-macro-parameters="icon=false|title=~/imx-mkimage" style="background-image: url(/plugins/servlet/confluence/placeholder/macro-heading?definition=e2luZm86aWNvbj1mYWxzZXx0aXRsZT1-L2lteC1ta2ltYWdlfQ&locale=en_GB&version=2); background-repeat: no-repeat;" data-macro-body-type="RICH_TEXT"><tr><td class="wysiwyg-macro-body"><div class="line number1 index0 alt2"><hr /></div><div class="line number2 index1 alt1"><span style="color: rgb(0,51,102);"><code class="java plain">$ <em>sudo dd if=iMX8M/flash.bin of=${DISK} bs=1024 seek=33</em></code></span></div></td></tr></table><p style="margin-left: 30.0px;"><strong>If on-module eMMC Flash is not empty</strong></p><p style="margin-left: 30.0px;">The <em>flash.bin</em> is pre-installed in on-module eMMC flash at factory default. SMARC-iMX8MM is designed to always boot up from on-module eMMC flash and to load Image, device tree blob and root file systems based on the setting of <em>BOOT_SEL</em>. If users need to fuse your own flash.bin or perform u-boot upgrade. This section will instruct you how to do that.</p><p style="margin-left: 30.0px;">Copy flash.bin to the second partition home directory of your SD card and boot into SD card. Go to home directory and you should see flash.bin file (The flash.bin file is located at imx-mkimage/iMX8M/ directory). </p><table class="wysiwyg-macro" data-macro-name="info" data-macro-parameters="icon=false" style="background-image: url(/plugins/servlet/confluence/placeholder/macro-heading?definition=e2luZm86aWNvbj1mYWxzZX0&locale=en_GB&version=2); background-repeat: no-repeat;" data-macro-body-type="RICH_TEXT"><tr><td class="wysiwyg-macro-body"><div class="line number1 index0 alt2"><hr /></div><div class="line number2 index1 alt1"><code>$ sudo cp -v imx-mkimage/iMX8M/flash.bin /media/rootfs/home/root/</code></div></td></tr></table><p style="margin-left: 30.0px;">Fuse flash.bin to the on-module eMMC flash. (The eMMC flash is emulated as /dev/mmcblk0 in SMARC-iMX8MM)</p><table class="wysiwyg-macro" data-macro-name="info" data-macro-parameters="icon=false|title=home directory" style="background-image: url(/plugins/servlet/confluence/placeholder/macro-heading?definition=e2luZm86aWNvbj1mYWxzZXx0aXRsZT1ob21lIGRpcmVjdG9yeX0&locale=en_GB&version=2); background-repeat: no-repeat;" data-macro-body-type="RICH_TEXT"><tr><td class="wysiwyg-macro-body"><hr /><p class="line number1 index0 alt2"><code><span style="color: rgb(0,51,102);"><em>$ sudo dd if=flash.bin of=/dev/mmcblk0 bs=1024 seek=33</em></span></code></p></td></tr></table><table class="wysiwyg-macro" data-macro-name="note" style="background-image: url(/plugins/servlet/confluence/placeholder/macro-heading?definition=e25vdGV9&locale=en_GB&version=2); background-repeat: no-repeat;" data-macro-body-type="RICH_TEXT"><tr><td class="wysiwyg-macro-body"><ol><li><span style="color: rgb(0,0,0);">If your u-boot hasn't been finalized and still under development, it is recommended to shunt cross the test pin and boot directly from SD card first. Once your u-boot is fully tested and finalized, you can <span style="color: rgb(0,51,102);"><span style="color: rgb(0,0,0);"> fuse your flash.bin to eMMC flash.</span></span></span></li><li><span style="color: rgb(0,0,0);">When <em>TEST#</em> pin of SMARC-iMX8MM is not shunt crossed, it will always boot up from on-module eMMC flash. U-boot will read the <em>BOOT_SEL</em> configuration and determine where it should load Image and device tree blob. When TEST# is shunt crossed (pull low), it will always boot up from SD card.</span></li></ol></td></tr></table><h3><span style="color: rgb(0,51,102);">uEnv.txt based bootscript</span></h3><p>Create "uEnv.txt" boot script: ($ vim uEnv.txt)</p><table class="wysiwyg-macro" data-macro-name="info" data-macro-parameters="icon=false|title=~/uEnv.txt" style="background-image: url(/plugins/servlet/confluence/placeholder/macro-heading?definition=e2luZm86aWNvbj1mYWxzZXx0aXRsZT1-L3VFbnYudHh0fQ&locale=en_GB&version=2); background-repeat: no-repeat;" data-macro-body-type="RICH_TEXT"><tr><td class="wysiwyg-macro-body"><hr /><p><code>#console port SER3</code><br /><code>console=ttymxc1,115200 earlycon=ec_imx6q,0x30890000,115200</code><br /><code>#console port SER2</code><br /><code>#console=ttymxc2,115200 earlycon=ec_imx6q,0x30880000,115200</code><br /><code>#console port SER1</code><br /><code>#console=ttymxc3,115200 earlycon=ec_imx6q,0x30a60000,115200</code><br /><code>#console port SER0</code><br /><code>#console=ttymxc0,115200 earlycon=ec_imx6q,0x30860000,115200</code><br /><code>mmcdev=1</code><br /><code>mmcpart=1</code><br /><code>image=Image</code><br /><code>loadaddr=0x40480000</code><br /><code>fdt_addr=0x43000000</code><br /><code>mmcroot=/dev/mmcblk1p2 rw</code><br /><code>usbroot=/dev/sda2 rw</code><br /><code>mmcrootfstype=ext4 rootwait fixrtc</code><br /><code>netdev=eth0</code><br /><code>ethact=FEC0</code><br /><code>ipaddr=192.168.1.150</code><br /><code>serverip=192.168.1.53</code><br /><code>gatewayip=192.168.1.254</code><br /><code>mmcargs=setenv bootargs ${mcore_clk} console=${console} root=${mmcroot} rootfstype=${mmcrootfstype} ${optargs}</code><br /><code>uenvcmd=run loadimage; run loadfdt; run mmcboot</code><br /><code># USB Boot</code><br /><code>#usbargs=setenv bootargs console=${console} root=${usbroot} rootfstype=${mmcrootfstype} ${optargs}</code><br /><code>#uenvcmd=run loadusbimage; run loadusbfdt; run usbboot</code></p></td></tr></table><p>Copy uEnv.txt to the boot partition:</p><table class="wysiwyg-macro" data-macro-name="info" data-macro-parameters="icon=false|title=~/" style="background-image: url(/plugins/servlet/confluence/placeholder/macro-heading?definition=e2luZm86aWNvbj1mYWxzZXx0aXRsZT1-L30&locale=en_GB&version=2); background-repeat: no-repeat;" data-macro-body-type="RICH_TEXT"><tr><td class="wysiwyg-macro-body"><hr /><p><code><span style="color: rgb(0,51,102);">$ sudo cp -v ~/uEnv.txt /media/boot/</span></code></p></td></tr></table><h3><span style="color: rgb(0,51,102);">Install Kernel Image</span></h3><p>Copy Image to the boot partition:</p><table class="wysiwyg-macro" data-macro-name="info" data-macro-parameters="icon=false|title=~/v5.15.71" style="background-image: url(/plugins/servlet/confluence/placeholder/macro-heading?definition=e2luZm86aWNvbj1mYWxzZXx0aXRsZT1-L3Y1LjE1LjcxfQ&locale=en_GB&version=2); background-repeat: no-repeat;" data-macro-body-type="RICH_TEXT"><tr><td class="wysiwyg-macro-body"><hr /><p><code><span style="color: rgb(0,51,102);">$ sudo cp -v arch/arm/boot/Image /media/boot</span></code></p></td></tr></table><h3><span style="color: rgb(0,51,102);">Install Kernel Device Tree Binary</span></h3><table class="wysiwyg-macro" data-macro-name="info" data-macro-parameters="icon=false" style="background-image: url(/plugins/servlet/confluence/placeholder/macro-heading?definition=e2luZm86aWNvbj1mYWxzZX0&locale=en_GB&version=2); background-repeat: no-repeat;" data-macro-body-type="RICH_TEXT"><tr><td class="wysiwyg-macro-body"><p><code><span style="color: rgb(0,51,102);">$ sudo mkdir -p /media/boot/dtbs</span></code></p><p><code><span style="color: rgb(0,51,102);">$ sudo cp -v arch/arm/boot/dts/imx8mm-smarc.dtb /media/boot/dtbs</span></code></p></td></tr></table><p><span style="color: rgb(0,0,0);">All available DTB files are listed in the table below.</span></p><table class="confluenceTable"><tbody><tr><th style="text-align: center;" class="confluenceTh"><span style="color: rgb(0,51,102);">DTB Name</span></th><th style="text-align: center;" class="confluenceTh"><span style="color: rgb(0,51,102);">Description</span></th></tr><tr><td class="confluenceTd"><code><span style="color: rgb(0,51,102);"><em>imx8mm-smarc.dtb</em></span></code></td><td class="confluenceTd"><span style="color: rgb(0,0,0);">Device tree blob for SMARC-iMX8MM</span></td></tr></tbody></table><h1><span style="color: rgb(0,51,102);">Install Root File System and </span><span style="color: rgb(0,51,102);">Kernel Modules</span></h1><hr /><h3><span style="color: rgb(153,51,0);">Copy Root File System:</span></h3><p><span style="color: rgb(0,51,102);"><u><strong>Yocto Pre-Built Rootfs:</strong></u></span></p><table class="wysiwyg-macro" data-macro-name="info" data-macro-parameters="icon=false|title=directory where your root file system is" style="background-image: url(/plugins/servlet/confluence/placeholder/macro-heading?definition=e2luZm86aWNvbj1mYWxzZXx0aXRsZT1kaXJlY3Rvcnkgd2hlcmUgeW91ciByb290IGZpbGUgc3lzdGVtIGlzfQ&locale=en_GB&version=2); background-repeat: no-repeat;" data-macro-body-type="RICH_TEXT"><tr><td class="wysiwyg-macro-body"><hr /><p><code><span style="color: rgb(0,51,102);">$ sudo tar jxvf <filename.tar.bz2> -C /media/rootfs</span></code></p></td></tr></table><p><u><span style="color: rgb(0,51,102);"><strong><br /></strong></span></u></p><p><u><span style="color: rgb(0,51,102);"><strong>Ubuntu 18.04:</strong></span></u></p><table class="wysiwyg-macro" data-macro-name="info" data-macro-parameters="icon=false|title=directory where your root file system is" style="background-image: url(/plugins/servlet/confluence/placeholder/macro-heading?definition=e2luZm86aWNvbj1mYWxzZXx0aXRsZT1kaXJlY3Rvcnkgd2hlcmUgeW91ciByb290IGZpbGUgc3lzdGVtIGlzfQ&locale=en_GB&version=2); background-repeat: no-repeat;" data-macro-body-type="RICH_TEXT"><tr><td class="wysiwyg-macro-body"><hr /><p><code><span style="color: rgb(0,51,102);">$ </span>sudo tar xvfz ubuntu-minimal-imx8mm-18.04-arm64.tar.gz -C /media/rootfs</code></p></td></tr></table><h3><span style="color: rgb(153,51,0);">Copy Kernel Modules:</span></h3><table class="wysiwyg-macro" data-macro-name="info" data-macro-parameters="icon=false|title=~/smarc-fsl-linux-kernel" style="background-image: url(/plugins/servlet/confluence/placeholder/macro-heading?definition=e2luZm86aWNvbj1mYWxzZXx0aXRsZT1-L3NtYXJjLWZzbC1saW51eC1rZXJuZWx9&locale=en_GB&version=2); background-repeat: no-repeat;" data-macro-body-type="RICH_TEXT"><tr><td class="wysiwyg-macro-body"><hr /><p><code><span style="color: rgb(0,51,102);">$ sudo make ARCH=arm64 <span style="color: rgb(0,51,102);">CROSS_COMPILE=${CC} </span>INSTALL_MOD_PATH=/media/rootfs modules_install</span></code></p></td></tr></table><table class="wysiwyg-macro" data-macro-name="note" data-macro-parameters="title=Note" style="background-image: url(/plugins/servlet/confluence/placeholder/macro-heading?definition=e25vdGU6dGl0bGU9Tm90ZX0&locale=en_GB&version=2); background-repeat: no-repeat;" data-macro-body-type="RICH_TEXT"><tr><td class="wysiwyg-macro-body"><ol><li>MAC address is factory pre-installed at on board I2C EEPROM at offset 60 bytes. It starts with Embedian's vendor code <em>10:0D:32</em>. u-boot will read it and pass this parameter to kernel.</li><li>If your rootfs is yocto built, the kernel modules will be included in the rootfs.</li></ol></td></tr></table><p><u><strong>Networking:</strong></u></p><p>Edit: /etc/network/interfaces</p><table class="wysiwyg-macro" data-macro-name="info" data-macro-parameters="icon=false" style="background-image: url(/plugins/servlet/confluence/placeholder/macro-heading?definition=e2luZm86aWNvbj1mYWxzZX0&locale=en_GB&version=2); background-repeat: no-repeat;" data-macro-body-type="RICH_TEXT"><tr><td class="wysiwyg-macro-body"><p><code><span style="color: rgb(0,51,102);">$ </span><span style="color: rgb(0,51,102);">sudo vim /media/rootfs/etc/network/interfaces</span></code></p></td></tr></table><p>Add:</p><table class="wysiwyg-macro" data-macro-name="info" data-macro-parameters="icon=false|title=/media/rootfs/etc/network/interfaces" style="background-image: url(/plugins/servlet/confluence/placeholder/macro-heading?definition=e2luZm86aWNvbj1mYWxzZXx0aXRsZT0vbWVkaWEvcm9vdGZzL2V0Yy9uZXR3b3JrL2ludGVyZmFjZXN9&locale=en_GB&version=2); background-repeat: no-repeat;" data-macro-body-type="RICH_TEXT"><tr><td class="wysiwyg-macro-body"><div class="line number1 index0 alt2"><hr /><code class="java plain">auto lo</code></div><div class="line number2 index1 alt1"><code class="java plain">iface lo inet loopback</code></div><div class="line number3 index2 alt2"> </div><div class="line number4 index3 alt1"><code class="java plain">auto eth0</code></div><div class="line number5 index4 alt2"><code class="java plain">iface eth0 inet dhcp</code></div></td></tr></table><p><br />Remove SD card:</p><table class="wysiwyg-macro" data-macro-name="info" data-macro-parameters="icon=false" style="background-image: url(/plugins/servlet/confluence/placeholder/macro-heading?definition=e2luZm86aWNvbj1mYWxzZX0&locale=en_GB&version=2); background-repeat: no-repeat;" data-macro-body-type="RICH_TEXT"><tr><td class="wysiwyg-macro-body"><div class="line number1 index0 alt2"><span style="color: rgb(0,51,102);"><code class="java plain">$ sync</code></span></div><div class="line number2 index1 alt1"><span style="color: rgb(0,51,102);"><code class="java plain">$ sudo umount /media/boot</code></span></div><div class="line number3 index2 alt2"><span style="color: rgb(0,51,102);"><code class="java plain">$ sudo umount /media/rootfs</code></span></div></td></tr></table><h1><span style="color: rgb(0,51,102);">Setup eMMC</span></h1><hr /><p>Setting up eMMC usually is the last step at development stage after the development work is done at your SD card or NFS environments. From software point of view, eMMC is nothing but a non-removable SD card on board. For <em>SMARC-iMX8MM</em>, the SD card is always emulated as /dev/mmcblk1 and on-module eMMC is always emulated as /dev/mmcblk0. Setting up eMMC now is nothing but changing the device descriptor. </p><p>This section gives a step-by-step procedure to setup eMMC flash. Users can write a shell script your own at production to simplify the steps.</p><p>First, we need to backup the final firmware from your SD card or NFS.</p><h3><span style="color: rgb(0,51,102);">Prepare for eMMC binaries from SD card (or NFS):</span></h3><p>Insert SD card into your Linux PC. For these instructions, we are assuming: DISK=/dev/mmcblk0, "lsblk" is very useful for determining the device id.</p><p>For these instruction, we are assuming: DISK=/dev/mmcblk0, "lsblk" is very useful for determining the device id.</p><table class="wysiwyg-macro" data-macro-name="info" data-macro-parameters="icon=false" style="background-image: url(/plugins/servlet/confluence/placeholder/macro-heading?definition=e2luZm86aWNvbj1mYWxzZX0&locale=en_GB&version=2); background-repeat: no-repeat;" data-macro-body-type="RICH_TEXT"><tr><td class="wysiwyg-macro-body"><p><code><span style="color: rgb(0,51,102);">$ export DISK=/dev/mmcblk0</span></code></p></td></tr></table><p>Mount Partitions:</p><p><strong>On some systems, these partitions may be auto-mounted...</strong></p><table class="wysiwyg-macro" data-macro-name="info" data-macro-parameters="icon=false" style="background-image: url(/plugins/servlet/confluence/placeholder/macro-heading?definition=e2luZm86aWNvbj1mYWxzZX0&locale=en_GB&version=2); background-repeat: no-repeat;" data-macro-body-type="RICH_TEXT"><tr><td class="wysiwyg-macro-body"><div class="line number1 index0 alt2"><span style="color: rgb(0,51,102);"><code class="java plain">$ sudo mkdir -p /media/boot/</code></span></div><div class="line number2 index1 alt1"><span style="color: rgb(0,51,102);"><code class="java plain">$ sudo mkdir -p /media/rootfs/</code></span></div><div class="line number3 index2 alt2"> </div><div class="line number4 index3 alt1"><span style="color: rgb(128,0,0);"><code class="java keyword">for</code><code class="java plain">: DISK=/dev/mmcblk0</code></span></div><div class="line number5 index4 alt2"><span style="color: rgb(0,51,102);"><code class="java plain">$ sudo mount ${DISK}p1 /media/boot/</code></span></div><div class="line number6 index5 alt1"><span style="color: rgb(0,51,102);"><code class="java plain">$ sudo mount ${DISK}p2 /media/rootfs/</code></span></div><div class="line number7 index6 alt2"><code class="java plain"> </code></div><div class="line number8 index7 alt1"><span style="color: rgb(128,0,0);"><code class="java keyword">for</code><code class="java plain">: DISK=/dev/sdX</code></span></div><div class="line number9 index8 alt2"><span style="color: rgb(0,51,102);"><code class="java plain">$ sudo mount ${DISK}</code><code class="java value">1</code> <code class="java plain">/media/boot/</code></span></div><div class="line number10 index9 alt1"><span style="color: rgb(0,51,102);"><code class="java plain">$ sudo mount ${DISK}</code><code class="java value">2</code> <code class="java plain">/media/rootfs/</code></span></div></td></tr></table><p> </p><p><u><span style="color: rgb(0,51,102);"><strong>Copy Image to rootfs partition:</strong></span></u></p><table class="wysiwyg-macro" data-macro-name="info" data-macro-parameters="icon=false" style="background-image: url(/plugins/servlet/confluence/placeholder/macro-heading?definition=e2luZm86aWNvbj1mYWxzZX0&locale=en_GB&version=2); background-repeat: no-repeat;" data-macro-body-type="RICH_TEXT"><tr><td class="wysiwyg-macro-body"><p><code><span style="color: rgb(0,51,102);">$ sudo cp -v /media/boot/Image /media/rootfs/home/root</span></code></p></td></tr></table><table class="wysiwyg-macro" data-macro-name="note" data-macro-parameters="title=Note" style="background-image: url(/plugins/servlet/confluence/placeholder/macro-heading?definition=e25vdGU6dGl0bGU9Tm90ZX0&locale=en_GB&version=2); background-repeat: no-repeat;" data-macro-body-type="RICH_TEXT"><tr><td class="wysiwyg-macro-body"><ol><li>If your rootfs is Ubuntu 18.04, copy to <em><span style="color: rgb(0,51,102);">/media/rootfs/home/ubuntu</span></em> instead of /media/rootfs/home/root</li></ol></td></tr></table><p><u><span style="color: rgb(0,51,102);"><strong><br />Copy uEnv.txt to rootfs partition:</strong></span></u></p><p>Copy and paste the following contents to /media/rootfs/home/root ($ sudo vim /media/rootfs/home/root/uEnv.txt)</p><table class="wysiwyg-macro" data-macro-name="info" data-macro-parameters="icon=false" style="background-image: url(/plugins/servlet/confluence/placeholder/macro-heading?definition=e2luZm86aWNvbj1mYWxzZX0&locale=en_GB&version=2); background-repeat: no-repeat;" data-macro-body-type="RICH_TEXT"><tr><td class="wysiwyg-macro-body"><p><code>#console port SER3</code><br /><code>console=ttymxc1,115200 earlycon=ec_imx6q,0x30890000,115200</code><br /><code>#console port SER2</code><br /><code>#console=ttymxc2,115200 earlycon=ec_imx6q,0x30880000,115200</code><br /><code>#console port SER1</code><br /><code>#console=ttymxc3,115200 earlycon=ec_imx6q,0x30a60000,115200</code><br /><code>#console port SER0</code><br /><code>#console=ttymxc0,115200 earlycon=ec_imx6q,0x30860000,115200</code><br /><code>mmcdev=0</code><br /><code>mmcpart=1</code><br /><code>image=Image</code><br /><code>loadaddr=0x40480000</code><br /><code>fdt_addr=0x43000000</code><br /><code>mmcroot=/dev/mmcblk0p2 rw</code><br /><code>usbroot=/dev/sda2 rw</code><br /><code>mmcrootfstype=ext4 rootwait fixrtc</code><br /><code>netdev=eth0</code><br /><code>ethact=FEC0</code><br /><code>ipaddr=192.168.1.150</code><br /><code>serverip=192.168.1.53</code><br /><code>gatewayip=192.168.1.254</code><br /><code>mmcargs=setenv bootargs ${mcore_clk} console=${console} root=${mmcroot} rootfstype=${mmcrootfstype} ${optargs} cma=400M</code><br /><code>uenvcmd=run loadimage; run loadfdt; run mmcboot</code><br /><code># USB Boot</code><br /><code>#usbargs=setenv bootargs console=${console} root=${usbroot} rootfstype=${mmcrootfstype} ${optargs}</code><br /><code>#uenvcmd=run loadusbimage; run loadusbfdt; run usbboot</code></p></td></tr></table><p> </p><p><u><span style="color: rgb(0,51,102);"><strong>Copy device tree blob to rootfs partition:</strong></span></u></p><table class="wysiwyg-macro" data-macro-name="info" data-macro-parameters="icon=false" style="background-image: url(/plugins/servlet/confluence/placeholder/macro-heading?definition=e2luZm86aWNvbj1mYWxzZX0&locale=en_GB&version=2); background-repeat: no-repeat;" data-macro-body-type="RICH_TEXT"><tr><td class="wysiwyg-macro-body"><pre>$ sudo cp -v /media/boot/dtbs/imx8mm-smarc.dtb /media/rootfs/home/root/imx8mm-smarc.dtb</pre></td></tr></table><p><u><span style="color: rgb(0,51,102);"><strong><br /></strong></span></u></p><p><u><span style="color: rgb(0,51,102);"><strong>Copy boot file to rootfs partition:</strong></span></u></p><table class="wysiwyg-macro" data-macro-name="info" data-macro-parameters="icon=false|title=~/imx-mkimage" style="background-image: url(/plugins/servlet/confluence/placeholder/macro-heading?definition=e2luZm86aWNvbj1mYWxzZXx0aXRsZT1-L2lteC1ta2ltYWdlfQ&locale=en_GB&version=2); background-repeat: no-repeat;" data-macro-body-type="RICH_TEXT"><tr><td class="wysiwyg-macro-body"><p><span style="color: rgb(0,51,102);"><code>$ sudo cp -v iMX8M/flash.bin /media/rootfs/home/root/flash.bin</code></span></p></td></tr></table><p><u><span style="color: rgb(0,51,102);"><strong><br /></strong></span></u></p><p><u><span style="color: rgb(0,51,102);"><strong>Copy real rootfs to rootfs partition:</strong></span></u></p><p style="margin-left: 30.0px;"><span style="color: rgb(128,0,0);"><u><strong>Yocto Built Root File Systems</strong></u></span></p><table class="wysiwyg-macro" data-macro-name="info" data-macro-parameters="icon=false" style="background-image: url(/plugins/servlet/confluence/placeholder/macro-heading?definition=e2luZm86aWNvbj1mYWxzZX0&locale=en_GB&version=2); background-repeat: no-repeat;" data-macro-body-type="RICH_TEXT"><tr><td class="wysiwyg-macro-body"><p><code><span style="color: rgb(0,51,102);">$ pushd /media/rootfs</span></code></p><p><code><span style="color: rgb(0,51,102);">$ sudo tar cvfz ~/smarcimx8mm-emmc-rootfs.tar.gz .</span></code></p><p><code><span style="color: rgb(0,51,102);">$ sudo mv ~/smarcimx8mm-emmc-rootfs.tar.gz /media/rootfs/home/root</span></code></p><p><code><span style="color: rgb(0,51,102);">$ popd</span></code></p></td></tr></table><p style="margin-left: 30.0px;"><span style="color: rgb(128,0,0);"><u><strong>Ubuntu 18.04 Root File Systems</strong></u></span></p><table class="wysiwyg-macro" data-macro-name="info" data-macro-parameters="icon=false" style="background-image: url(/plugins/servlet/confluence/placeholder/macro-heading?definition=e2luZm86aWNvbj1mYWxzZX0&locale=en_GB&version=2); background-repeat: no-repeat;" data-macro-body-type="RICH_TEXT"><tr><td class="wysiwyg-macro-body"><p><code><span style="color: rgb(0,51,102);">$ sudo vim /media/rootfs/etc/udev/rules.d/70-persistent-net.rules</span></code></p><p><span style="color: rgb(0,51,102);">Delete all contents starting with "<em>SUBSYSTEM==</em>"</span></p><p><code><span style="color: rgb(0,51,102);">$ pushd /media/rootfs</span></code></p><p><code><span style="color: rgb(0,51,102);">$ sudo tar cvfz ~/smarcimx8mm-emmc-rootfs.tar.gz .</span></code></p><p><code><span style="color: rgb(0,51,102);">$ sudo mv ~/smarcimx8mm-emmc-rootfs.tar.gz /media/rootfs/home/root</span></code></p><p><code><span style="color: rgb(0,51,102);">$ popd</span></code></p></td></tr></table><p><br />Unmount SD card.</p><table class="wysiwyg-macro" data-macro-name="info" data-macro-parameters="icon=false" style="background-image: url(/plugins/servlet/confluence/placeholder/macro-heading?definition=e2luZm86aWNvbj1mYWxzZX0&locale=en_GB&version=2); background-repeat: no-repeat;" data-macro-body-type="RICH_TEXT"><tr><td class="wysiwyg-macro-body"><div class="line number1 index0 alt2"><span style="color: rgb(0,51,102);"><code class="java plain">$ sync</code></span></div><div class="line number2 index1 alt1"><span style="color: rgb(0,51,102);"><code class="java plain">$ sudo umount /media/boot</code></span></div><div class="line number3 index2 alt2"><span style="color: rgb(0,51,102);"><code class="java plain">$ sudo umount /media/rootfs</code></span></div></td></tr></table><p>It is safe to remove SD card now.</p><h3><span style="color: rgb(0,51,102);">Copy Binaries to eMMC from SD card:</span></h3><p>Insert this SD card into your SMARC-iMX8MM device and boot into SD card.</p><p>Now it will be almost the same as you did when setup your SD card, but the eMMC device descriptor is <span style="color: rgb(0,51,102);"><em>/dev/mmcblk0</em></span> now.</p><table class="wysiwyg-macro" data-macro-name="info" data-macro-parameters="icon=false" style="background-image: url(/plugins/servlet/confluence/placeholder/macro-heading?definition=e2luZm86aWNvbj1mYWxzZX0&locale=en_GB&version=2); background-repeat: no-repeat;" data-macro-body-type="RICH_TEXT"><tr><td class="wysiwyg-macro-body"><p><span style="color: rgb(0,51,102);">$ export DISK=/dev/mmcblk0</span></p></td></tr></table><p>Erase SD card:</p><table class="wysiwyg-macro" data-macro-name="info" data-macro-parameters="icon=false" style="background-image: url(/plugins/servlet/confluence/placeholder/macro-heading?definition=e2luZm86aWNvbj1mYWxzZX0&locale=en_GB&version=2); background-repeat: no-repeat;" data-macro-body-type="RICH_TEXT"><tr><td class="wysiwyg-macro-body"><p><span style="color: rgb(0,51,102);">$ <code class="java plain">sudo dd </code><code class="java keyword">if</code><code class="java plain">=/dev/zero of=${DISK} bs=1M count=</code><code class="java value">160</code></span></p></td></tr></table><p>Create Partition Layout:</p><table class="wysiwyg-macro" data-macro-name="info" data-macro-parameters="icon=false" style="background-image: url(/plugins/servlet/confluence/placeholder/macro-heading?definition=e2luZm86aWNvbj1mYWxzZX0&locale=en_GB&version=2); background-repeat: no-repeat;" data-macro-body-type="RICH_TEXT"><tr><td class="wysiwyg-macro-body"><p><span style="color: rgb(0,51,102);"><code class="java plain">$ sudo sfdisk ${DISK} <<-__EOF__</code></span></p><div class="line number2 index1 alt1"><span style="color: rgb(0,51,102);"><code class="java value">2M</code><code class="java plain">,</code><code class="java value">48M</code><code class="java plain">,</code><code class="java value">0x83</code><code class="java plain">,*</code></span></div><div class="line number3 index2 alt2"><code><span style="color: rgb(0,51,102);">50M,,,</span></code></div><div class="line number4 index3 alt1"><span style="color: rgb(0,51,102);"><code class="java plain">__EOF__</code></span></div></td></tr></table><p>Format Partitions:</p><table class="wysiwyg-macro" data-macro-name="info" data-macro-parameters="icon=false" style="background-image: url(/plugins/servlet/confluence/placeholder/macro-heading?definition=e2luZm86aWNvbj1mYWxzZX0&locale=en_GB&version=2); background-repeat: no-repeat;" data-macro-body-type="RICH_TEXT"><tr><td class="wysiwyg-macro-body"><div class="line number1 index0 alt2"><code class="java plain">$ sudo mkfs.vfat -F </code><code class="java value">16</code><span style="color: rgb(0,51,102);"> </span><code class="java plain">${DISK}p1 -n boot</code></div><div class="line number3 index2 alt2"><span style="color: rgb(0,51,102);"><code class="java plain">$ sudo mkfs.ext4 ${DISK}p2 -L rootfs</code></span></div></td></tr></table><p>Mount Partitions:</p><table class="wysiwyg-macro" data-macro-name="info" data-macro-parameters="icon=false" style="background-image: url(/plugins/servlet/confluence/placeholder/macro-heading?definition=e2luZm86aWNvbj1mYWxzZX0&locale=en_GB&version=2); background-repeat: no-repeat;" data-macro-body-type="RICH_TEXT"><tr><td class="wysiwyg-macro-body"><div class="line number1 index0 alt2"><span style="color: rgb(0,51,102);"><code class="java plain">$ sudo mkdir -p /media/boot/</code></span></div><div class="line number2 index1 alt1"><span style="color: rgb(0,51,102);"><code class="java plain">$ sudo mkdir -p /media/rootfs/</code></span></div><div class="line number5 index4 alt2"><span style="color: rgb(0,51,102);"><code class="java plain">$ sudo mount ${DISK}p1 /media/boot/</code></span></div><div class="line number6 index5 alt1"><span style="color: rgb(0,51,102);"><code class="java plain">$ sudo mount ${DISK}p2 /media/rootfs/</code></span></div></td></tr></table><h3><span style="color: rgb(0,51,102);">Install binaries for partition 1</span></h3><p>Copy uEnv.txt/Image/*.dtb to the boot partition</p><table class="wysiwyg-macro" data-macro-name="info" data-macro-parameters="icon=false" style="background-image: url(/plugins/servlet/confluence/placeholder/macro-heading?definition=e2luZm86aWNvbj1mYWxzZX0&locale=en_GB&version=2); background-repeat: no-repeat;" data-macro-body-type="RICH_TEXT"><tr><td class="wysiwyg-macro-body"><div class="line number1 index0 alt2"><hr /><span style="color: rgb(0,51,102);"><code class="java plain">$ sudo cp -v Image uEnv.txt /media/boot/</code></span></div></td></tr></table><h3><span style="color: rgb(0,51,102);">Install Kernel Device Tree Binary</span></h3><table class="wysiwyg-macro" data-macro-name="info" data-macro-parameters="icon=false" style="background-image: url(/plugins/servlet/confluence/placeholder/macro-heading?definition=e2luZm86aWNvbj1mYWxzZX0&locale=en_GB&version=2); background-repeat: no-repeat;" data-macro-body-type="RICH_TEXT"><tr><td class="wysiwyg-macro-body"><p><code><span style="color: rgb(0,51,102);">$ sudo mkdir -p /media/boot/dtbs</span></code></p><p><code><span style="color: rgb(0,51,102);">$ sudo cp imx8mm-smarc.dtb /media/boot/dtbs</span></code></p></td></tr></table><h1><span style="color: rgb(0,51,102);">Install Root File System</span></h1><hr /><table class="wysiwyg-macro" data-macro-name="info" data-macro-parameters="icon=false" style="background-image: url(/plugins/servlet/confluence/placeholder/macro-heading?definition=e2luZm86aWNvbj1mYWxzZX0&locale=en_GB&version=2); background-repeat: no-repeat;" data-macro-body-type="RICH_TEXT"><tr><td class="wysiwyg-macro-body"><p><code><span style="color: rgb(0,51,102);">$ sudo tar -zxvf smarcimx8mm-emmc-rootfs.tar.gz -C /media/rootfs</span></code></p></td></tr></table><p><span style="color: rgb(0,51,102);"> </span></p><div><p>Unmount eMMC:</p><table class="wysiwyg-macro" data-macro-name="info" data-macro-parameters="icon=false" style="background-image: url(/plugins/servlet/confluence/placeholder/macro-heading?definition=e2luZm86aWNvbj1mYWxzZX0&locale=en_GB&version=2); background-repeat: no-repeat;" data-macro-body-type="RICH_TEXT"><tr><td class="wysiwyg-macro-body"><div class="line number1 index0 alt2"><span style="color: rgb(0,51,102);"><code class="java plain">$ sync</code></span></div><div class="line number2 index1 alt1"><span style="color: rgb(0,51,102);"><code class="java plain">$ sudo umount /media/boot</code></span></div><div class="line number3 index2 alt2"><span style="color: rgb(0,51,102);"><code class="java plain">$ sudo umount /media/rootfs</code></span></div></td></tr></table><p> </p><p>Flash boot file</p><table class="wysiwyg-macro" data-macro-name="info" data-macro-parameters="icon=false" style="background-image: url(/plugins/servlet/confluence/placeholder/macro-heading?definition=e2luZm86aWNvbj1mYWxzZX0&locale=en_GB&version=2); background-repeat: no-repeat;" data-macro-body-type="RICH_TEXT"><tr><td class="wysiwyg-macro-body"><div class="line number1 index0 alt2"><hr /></div><div class="line number2 index1 alt1"><code><span style="color: rgb(0,51,102);">$ </span><em>sudo dd if=flash.bin of=${DISK} bs=1024 seek=32</em></code></div></td></tr></table><div class="paragraph"><div class="paragraph"><div class="paragraph"><div><p> </p><p>Switch your Boot Select to eMMC (OFF ON ON) and you will be able to boot up from eMMC now.</p><hr /><p>version 1.0a, 08/08/2023</p></div><p>Last updated 2023-08-08</p></div></div></div></div>
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