From: Michael Walle <mich...@walle.cc> Document the update image and how to use the EFI UpdateCapsule.
Signed-off-by: Michael Walle <mich...@walle.cc> Signed-off-by: Marcel Ziswiler <marcel.ziswi...@toradex.com> --- Changes in v4: - Re-based on top of imx/master. Changes in v3: - none Changes in v2: - 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 07431986d8f..c7b18bed10c 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 ----------------- -- 2.26.2
