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--- a/doc/index.rst
+++ b/doc/index.rst
@@ -1,11 +1,104 @@
 .. SPDX-License-Identifier: GPL-2.0+
 
-#######################
-U-Boot Developer Manual
-#######################
+.. _u-boot_doc:
+
+The U-Boot Documentation
+========================
+
+This is the top level of the U-Boot's documentation tree.  U-Boot
+documentation, like the U-Boot itself, is very much a work in progress;
+that is especially true as we work to integrate our many scattered
+documents into a coherent whole.  Please note that improvements to the
+documentation are welcome; join the U-Boot list at http://lists.denx.de
+if you want to help out.
+
+.. toctree::
+   :maxdepth: 2
+
+User-oriented documentation
+---------------------------
+
+The following manuals are written for *users* of the U-Boot - those who are
+trying to get it to work optimally on a given system.
+
+.. toctree::
+   :maxdepth: 2
+
+   build/index
+
+Unified Extensible Firmware (UEFI)
+----------------------------------
+
+U-Boot provides an implementation of the UEFI API allowing to run UEFI
+compliant software like Linux, GRUB, and iPXE. Furthermore U-Boot itself
+can be run an UEFI payload.
+
+.. toctree::
+   :maxdepth: 2
+
+   uefi/index
+
+Driver-Model documentation
+--------------------------
+
+The following holds information on the U-Boot device driver framework:
+driver-model, including the design details of itself and several driver
+subsystems.
+
+.. toctree::
+   :maxdepth: 2
+
+   driver-model/index
+
+U-Boot API documentation
+------------------------
+
+These books get into the details of how specific U-Boot subsystems work
+from the point of view of a U-Boot developer.  Much of the information here
+is taken directly from the U-Boot source, with supplemental material added
+as needed (or at least as we managed to add it - probably *not* all that is
+needed).
+
+.. toctree::
+   :maxdepth: 2
+
+   api/index
+
+Architecture-specific doc
+-------------------------
+
+These books provide programming details about architecture-specific
+implementation.
 
 .. toctree::
+   :maxdepth: 2
+
+   arch/index
+
+Board-specific doc
+------------------
+
+These books provide details about board-specific information. They are
+organized in a vendor subdirectory.
+
+.. toctree::
+   :maxdepth: 2
+
+   board/index
+
+Android-specific doc
+--------------------
+
+These books provide information about booting the Android OS from U-Boot,
+manipulating Android images from U-Boot shell and discusses other
+Android-specific features available in U-Boot.
+
+.. toctree::
+   :maxdepth: 2
+
+   android/index
+
+Indices and tables
+==================
 
-   efi
-   linker_lists
-   serial
+* :ref:`genindex`