[PATCH 00/19] vbe: Verified Boot for Embedded initial support

[Simon Glass]

This adds the concept of a VBE method to U-Boot, along with an
implementation of the 'VBE simple' method, basically a simple way of
updating firmware in MMC from userspace and monitoring it from U-Boot.

VBE simple is implemented in fwupd. U-Boot's role is to set up the
device tree with the required firmware-update properties and provide the
developer with information about the current VBE state. To that end this
series includes a new 'vbe' command that allows VBE methods to be listed
and examined.

As part of this work, support for doing FDT fixups via the event interface
is provided, along with the ability to write to the device tree via the
ofnode interface.

Further work is needed to pull everything together, but this is a step
along the way.


Simon Glass (19):
  video: Renname vbe.h to vesa.h
  video: Rename structs and functions to avoid VBE
  dm: core: Split out the declaration of ofnode
  ofnode: Add a note about how livetree updates work
  ofnode: Introduce support for multiple trees
  dm: core: Move ofnode-writing test to ofnode
  dm: core: Swap parameters of ofnode_write_prop()
  dm: core: Tidy up ofnode-writing test
  dm: core: Prepare for updating the device tree with ofnode
  ofnode: Allow writing to a flat tree
  dm: core: Add support for writing u32 with ofnode
  event: Add an event for device tree fixups
  read: Support sandbox
  bootstd: Fix comment in bootmeth test
  bootstd: Detect empty bootmeth ordering
  bootstd: Provide a bootmeth method to obtain state info
  vbe: Add initial support for VBE
  vbe: Support VBE simple
  vbe: Add a new vbe command

 arch/sandbox/dts/sandbox.dtsi         |  13 ++
 arch/sandbox/dts/test.dts             |  15 ++
 arch/x86/lib/bios.c                   |  12 +-
 arch/x86/lib/coreboot_table.c         |   2 +-
 arch/x86/lib/fsp/fsp_graphics.c       |   4 +-
 boot/Kconfig                          |  21 ++
 boot/Makefile                         |   3 +
 boot/bootmeth-uclass.c                |  12 +
 boot/bootmeth_distro.c                |  14 ++
 boot/image-fdt.c                      |  11 +
 boot/vbe.c                            | 119 ++++++++++
 boot/vbe_simple.c                     | 304 ++++++++++++++++++++++++++
 cmd/Kconfig                           |  10 +
 cmd/Makefile                          |   1 +
 cmd/elf.c                             |   2 +-
 cmd/read.c                            |   3 +-
 cmd/vbe.c                             |  87 ++++++++
 common/event.c                        |   3 +
 doc/develop/driver-model/livetree.rst |  60 ++++-
 drivers/bios_emulator/atibios.c       |  18 +-
 drivers/core/of_access.c              |  57 ++++-
 drivers/core/ofnode.c                 |  81 +++----
 drivers/pci/pci_rom.c                 |  14 +-
 drivers/video/broadwell_igd.c         |   4 +-
 drivers/video/coreboot.c              |   4 +-
 drivers/video/efi.c                   |   4 +-
 drivers/video/ivybridge_igd.c         |   4 +-
 drivers/video/vesa.c                  |   4 +-
 include/bios_emul.h                   |   6 +-
 include/bootmeth.h                    |  38 +++-
 include/bootstd.h                     |   2 +
 include/dm/of_access.h                |  22 +-
 include/dm/ofnode.h                   | 122 +++++------
 include/dm/ofnode_decl.h              |  85 +++++++
 include/event.h                       |  14 ++
 include/of_live.h                     |  16 ++
 include/test/test.h                   |   2 +
 include/vbe.h                         | 146 ++++---------
 include/vesa.h                        | 116 ++++++++++
 lib/elf.c                             |   2 +-
 lib/of_live.c                         |  14 +-
 test/boot/Makefile                    |   4 +
 test/boot/bootflow.c                  |  53 +++--
 test/boot/bootmeth.c                  |  31 ++-
 test/boot/vbe_simple.c                | 115 ++++++++++
 test/dm/ofnode.c                      | 132 +++++++++++
 test/dm/test-fdt.c                    |  53 -----
 test/py/tests/test_event_dump.py      |   1 +
 test/test-main.c                      |   3 +-
 49 files changed, 1503 insertions(+), 360 deletions(-)
 create mode 100644 boot/vbe.c
 create mode 100644 boot/vbe_simple.c
 create mode 100644 cmd/vbe.c
 create mode 100644 include/dm/ofnode_decl.h
 create mode 100644 include/vesa.h
 create mode 100644 test/boot/vbe_simple.c

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2.37.0.170.g444d1eabd0-goog