1 .. SPDX-License-Identifier: GPL-2.0+
5 The U-Boot Documentation
6 ========================
8 This is the top level of the U-Boot's documentation tree. U-Boot
9 documentation, like the U-Boot itself, is very much a work in progress;
10 that is especially true as we work to integrate our many scattered
11 documents into a coherent whole. Please note that improvements to the
12 documentation are welcome; join the U-Boot list at http://lists.denx.de
13 if you want to help out.
18 User-oriented documentation
19 ---------------------------
21 The following manuals are written for *users* of the U-Boot - those who are
22 trying to get it to work optimally on a given system.
29 Unified Extensible Firmware (UEFI)
30 ----------------------------------
32 U-Boot provides an implementation of the UEFI API allowing to run UEFI
33 compliant software like Linux, GRUB, and iPXE. Furthermore U-Boot itself
34 can be run an UEFI payload.
41 Driver-Model documentation
42 --------------------------
44 The following holds information on the U-Boot device driver framework:
45 driver-model, including the design details of itself and several driver
53 U-Boot API documentation
54 ------------------------
56 These books get into the details of how specific U-Boot subsystems work
57 from the point of view of a U-Boot developer. Much of the information here
58 is taken directly from the U-Boot source, with supplemental material added
59 as needed (or at least as we managed to add it - probably *not* all that is
67 Architecture-specific doc
68 -------------------------
70 These books provide programming details about architecture-specific
81 These books provide details about board-specific information. They are
82 organized in a vendor subdirectory.
92 These books provide information about booting the Android OS from U-Boot,
93 manipulating Android images from U-Boot shell and discusses other
94 Android-specific features available in U-Boot.