Document the update image and how to use the EFI UpdateCapsule.
Signed-off-by: Michael Walle michael@walle.cc --- changes since v2: - none
changes since v1: - new patch
doc/board/kontron/sl28.rst | 15 +++++++++++++++ 1 file changed, 15 insertions(+)
diff --git a/doc/board/kontron/sl28.rst b/doc/board/kontron/sl28.rst index 07431986d8..c7b18bed10 100644 --- a/doc/board/kontron/sl28.rst +++ b/doc/board/kontron/sl28.rst @@ -52,6 +52,21 @@ Disable the builtin watchdog - power-cycle the board
+Update image +------------ + +After the build finished, there will be an update image called +u-boot.update. This can either be used in the DFU mode (which isn't +supported yet) or encapsulated in an EFI UpdateCapsule. + +To build the capsule use the following command + + $ tools/mkeficapsule -f u-boot.update -i 1 UpdateUboot + +Afterward you can copy this file to your ESP into the /EFI/UpdateCapsule/ +folder. On the next EFI boot this will automatically update your +bootloader. + Useful I2C tricks -----------------