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| -rw-r--r-- | doc/develop/uefi/uefi.rst | 19 |
1 files changed, 5 insertions, 14 deletions
diff --git a/doc/develop/uefi/uefi.rst b/doc/develop/uefi/uefi.rst index f27cabbcce..68f9b332d1 100644 --- a/doc/develop/uefi/uefi.rst +++ b/doc/develop/uefi/uefi.rst @@ -562,20 +562,11 @@ and used by the steps highlighted below. ... } -You can do step-4 manually with - -.. code-block:: console - - $ dtc -@ -I dts -O dtb -o signature.dtbo signature.dts - $ fdtoverlay -i orig.dtb -o new.dtb -v signature.dtbo - -where signature.dts looks like:: - - &{/} { - signature { - capsule-key = /incbin/("CRT.esl"); - }; - }; +You can perform step-4 through the Kconfig symbol +CONFIG_EFI_CAPSULE_ESL_FILE. This symbol points to the esl file +generated in step-2. Once the symbol has been populated with the path +to the esl file, it will automatically get embedded into the +platform's dtb as part of U-Boot build. Anti-rollback Protection ************************ |