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======How to develop ADI Yocto Linux with your own repositories ======

This documentation guides users how to develop Yocto Linux Products on ADI SC5XX platforms with developers' own repositories. 


=====HOST Setup =====

<code bash>
$ sudo apt-get update
$ sudo apt-get install gawk wget git-core diffstat unzip texinfo gcc-multilib build-essential chrpath socat libsdl1.2-dev xterm u-boot-tools
$ sudo apt-get install repo
</code>

=====Source Code Preparation=====
====Download Source code====

<code bash>
$ mkdir ~/yocto
$ repo init -u https://github.com/analogdevicesinc/lnxdsp-repo-manifest.git -b release/yocto-1.0.0
</code>

====Change lnxdsp-adi-meta and lnxdsp-scripts to point to your own repo====
<code bash>
$ cd ~/yocto/.repo/manifests/
</code>

Aplly below patches into the lnxdsp-repo-manifest
<code diff>
diff --git a/default.xml b/default.xml
index 244bf04..45abdf8 100644
--- a/default.xml
+++ b/default.xml
@@ -5,12 +5,12 @@
 
   <remote fetch="https://git.yoctoproject.org/git" name="yocto"/>
   <remote fetch="https://github.com/openembedded" name="oe"/>
-  <remote fetch="https://github.com/analogdevicesinc" name="adigithub"/>
+  <remote fetch="$YOUR_REPO_PATH" name="dte"/>
 
   <project remote="yocto" revision="50f33d3bfebcbfb1538d932fb487cfd789872026" name="poky" path="sources/poky"/> <!-- thud revision -->
   <project remote="oe" revision="4cd3a39f22a2712bfa8fc657d09fe2c7765a4005" name="meta-openembedded" path="sources/meta-openembedded"/> <!-- thud revision -->
-  <project remote="adigithub" revision="develop/yocto-1.0.0" name="lnxdsp-adi-meta" path="sources/meta-adi"/>
-  <project remote="adigithub" revision="develop/yocto-1.0.0" name="lnxdsp-scripts" path="sources">
+  <project remote="dte" revision="develop/yocto-1.0.0" name="lnxdsp-adi-meta" path="sources/meta-adi"/>
+  <project remote="dte" revision="develop/yocto-1.0.0" name="lnxdsp-scripts" path="sources">
 	  <linkfile dest="setup-environment" src="setup-environment"/>
   </project>>
</code>

<code bash>
$ repo sync
</code>

====Change u-boot and linux-kernel URI to point to your own repo====
<code bash>
$ cd ~/yocto/sources/
</code>

Aplly below patches into your own build script, take adsp-sc589-ezkit as an example, the same patch should be applied into adsp-sc589-mini, adsp-sc584-ezkit, adsp-sc573-ezkit.
<code diff>
diff --git a/base/adsp-sc589-ezkit/local.conf b/base/adsp-sc589-ezkit/local.conf
index 260a16b..b3c69f1 100644
--- a/base/adsp-sc589-ezkit/local.conf
+++ b/base/adsp-sc589-ezkit/local.conf
@@ -21,6 +21,11 @@
 # This sets the default machine to be adsp-sc589-ezkit if no other machine is selected:
 MACHINE ?= "adsp-sc589-ezkit"
 
+UBOOT_GIT_URI ?= "git://$YOUR_REPO_PATH/u-boot.git"
+UBOOT_BRANCH ?= "develop/yocto-1.0.0"
+KERNEL_GIT_URI ?= "git://$YOUR_REPO_PATH/lnxdsp-linux.git"
+KERNEL_BRANCH ?= "develop/yocto-1.0.0"
+
 #
 # Where to place downloads
 #
</code>

Then you can start your development based on your own repos.

<code>
$ cd ~/yocto/
$ source setup-environment -m adsp-sc589-ezkit
Your build environment has been configured with:

MACHINE=adsp-sc589-ezkit

You can now run 'bitbake <target>'
Some of common targets are:
u-boot-adi
linux-adi
adsp-sc5xx-full
adsp-sc5xx-minimal
adsp-sc5xx-ramdisk

$ bitbake ...
</code>

Back To [[/resources/tools-software/linuxdsp/docs/qa/start|Linux for SC5xx: Frequently Asked Questions]]
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