doc: describe source repository
Add a chapter to the HTML documentation describing how to retrieve the
U-Boot sources.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
diff --git a/doc/build/source.rst b/doc/build/source.rst
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+Obtaining the source
+=====================
+
+The source of the U-Boot project is maintained in a Git repository.
+
+You can download the source via
+
+.. code-block:: bash
+
+ git clone https://gitlab.denx.de/u-boot/u-boot.git
+
+A mirror of the source is maintained on Github
+
+.. code-block:: bash
+
+ git clone https://github.com/u-boot/u-boot
+
+The released versions are available as tags which use the naming scheme::
+
+ v<year>.<month>
+
+Release candidates are named::
+
+ v<year>.<month>-rc<number>
+
+To checkout the October 2020 release you would use:
+
+.. code-block:: bash
+
+ git checkout v2020.10