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author | Michael Walle <michael@walle.cc> | 2021-09-29 13:39:13 +0200 |
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committer | Priyanka Jain <priyanka.jain@nxp.com> | 2021-11-09 14:50:21 +0530 |
commit | cbdc4c974fbd884c40b7923d9f5f9d0d165d4268 (patch) | |
tree | f16f0a5eb05fe52ab37f99eef0ce947636ef1c50 /doc | |
parent | f06add11f073b0a6cffff6c4c3aa4c91378c035b (diff) | |
download | u-boot-cbdc4c974fbd884c40b7923d9f5f9d0d165d4268.zip u-boot-cbdc4c974fbd884c40b7923d9f5f9d0d165d4268.tar.gz u-boot-cbdc4c974fbd884c40b7923d9f5f9d0d165d4268.tar.bz2 |
board: sl28: add update image documentation
Document the update image and how to use the EFI UpdateCapsule.
Signed-off-by: Michael Walle <michael@walle.cc>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
Diffstat (limited to 'doc')
-rw-r--r-- | doc/board/kontron/sl28.rst | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/doc/board/kontron/sl28.rst b/doc/board/kontron/sl28.rst index 0743198..c7b18be 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 ----------------- |