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binman: doc: Add documentation for Xilinx Bootgen bintool

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Add documentation for the 'bootgen' bintool

Signed-off-by: Lukas Funke <lukas.funke@weidmueller.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
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Lukas Funke 2023-07-18 13:53:16 +02:00 committed by Simon Glass
parent 5609843b57
commit 6cb6425408
1 changed files with 12 additions and 0 deletions
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tools/binman/bintools.rst
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@ -204,3 +204,15 @@ Normally signing is done using `mkimage` in context of `binman sign`. However,
in this process the public key is not added to the stage before u-boot proper.
Using `fdt_add_pubkey` the key can be injected to the SPL independent of
`mkimage`
Bintool: bootgen: Sign ZynqMP FSBL image
---------------------------------------------
This bintool supports running `bootgen` in order to sign a SPL for ZynqMP
devices.
The bintool automatically creates an appropriate input image file (.bif) for
bootgen based on the passed arguments. The output is a bootable,
authenticated `boot.bin` file.