diff options
| author | Simon Glass | 2024-01-03 18:49:19 -0700 |
|---|---|---|
| committer | Simon Glass | 2024-01-07 13:45:07 -0700 |
| commit | 70fe23859437ffe4efe0793423937d8b78ebf9d6 (patch) | |
| tree | 31991261712f24ce8459511cc6807d26aa9747f0 /doc/develop | |
| parent | 06ef8089f876b6dabf56caba31a05c003f03c629 (diff) | |
fdt: Allow the devicetree to come from a bloblist
Standard passage provides for a bloblist to be passed from one firmware
phase to the next. That can be used to pass the devicetree along as well.
Add an option to support this.
Tests for this will be added as part of the Universal Payload work.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Diffstat (limited to 'doc/develop')
| -rw-r--r-- | doc/develop/devicetree/control.rst | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/doc/develop/devicetree/control.rst b/doc/develop/devicetree/control.rst index cbb65c9b177..11c92d440f4 100644 --- a/doc/develop/devicetree/control.rst +++ b/doc/develop/devicetree/control.rst @@ -108,6 +108,9 @@ If CONFIG_OF_BOARD is defined, a board-specific routine will provide the devicetree at runtime, for example if an earlier bootloader stage creates it and passes it to U-Boot. +If CONFIG_BLOBLIST is defined, the devicetree may come from a bloblist passed +from a previous stage, if present. + If CONFIG_SANDBOX is defined, then it will be read from a file on startup. Use the -d flag to U-Boot to specify the file to read, -D for the default and -T for the test devicetree, used to run sandbox unit tests. |