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# Table of Contents
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1. [About the Board](#orgd72d6fe)
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2. [Creating a Bootable Yocto Linux Image](#org320b6b1)
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1. [Create a workspace (OPTIONAL)](#org3ac88ae)
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2. [Update the repo workspace](#orgf613432)
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3. [Set up the Bitbake environment](#org5551fb8)
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4. [Building Board Disk Image](#orge48b62d)
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1. [Building a Linux Image with a root file system (RootFS)](#org260c449)
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2. [Building a RAM-based Root Filestystem](#org920972e)
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3. [Building a Linux Image for an external QSPI flash memory](#org31f047f)
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4. [Flashing an SD Card](#org0ce15e7)
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3. [References](#org47ba498)
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<a id="orgd72d6fe"></a>
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# About the Board
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<a id="org320b6b1"></a>
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# Creating a Bootable Yocto Linux Image
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We have two options: Create a new workspace, or we can use this repo as a workspace because this repo is my working workspace.
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<a id="org3ac88ae"></a>
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## Create a workspace (OPTIONAL)
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mkdir yocto-dev && cd yocto-dev
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repo init -u https://github.com/polarfire-soc/polarfire-soc-yocto-manifests.git -b main -m default.xml
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<a id="orgf613432"></a>
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## Update the repo workspace
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repo sync
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repo rebase
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<a id="org5551fb8"></a>
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## Set up the Bitbake environment
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. ./meta-polarfire-soc-yocto-bsp/polarfire-soc_yocto_setup.sh
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<a id="orge48b62d"></a>
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## Building Board Disk Image
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<a id="org260c449"></a>
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### Building a Linux Image with a root file system (RootFS)
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MACHINE=icicle-kit-es bitbake mpfs-dev-cli
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<a id="org920972e"></a>
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### Building a RAM-based Root Filestystem
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MACHINE=icicle-kit-es bitbake -R conf/initramfs.conf mpfs-initramfs-image
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<a id="org31f047f"></a>
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### Building a Linux Image for an external QSPI flash memory
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<a id="org0ce15e7"></a>
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### Flashing an SD Card
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zcat build/tmp-glibc/deploy/images/icicle-kit-es/mpfs-dev-cli-icicle-kit-es.wic.gz | sudo dd of=/dev/sdX bs=4096 iflag=fullblock oflag=direct conv=fsync status=progress
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<a id="org47ba498"></a>
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# References
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1. [PolarFire SoC Yocto](https://github.com/polarfire-soc/meta-polarfire-soc-yocto-bsp)
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**\*\***
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