u-boot/doc/usage/cmd/fwu_mdata.rst
Sughosh Ganu e68c03be46 FWU: cmd: Add a command to read FWU metadata
Add a command to read the metadata as specified in the FWU
specification and print the fields of the metadata.

Signed-off-by: Sughosh Ganu <sughosh.ganu@linaro.org>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Reviewed-by: Etienne Carriere <etienne.carriere@linaro.org>
2022-10-31 14:47:33 -04:00

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.. SPDX-License-Identifier: GPL-2.0+
fwu_mdata_read command
======================
Synopsis
--------
::
fwu_mdata_read
Description
-----------
The fwu_mdata_read command is used to read the FWU metadata
structure. The command prints out information about the current active
bank, the previous active bank, image GUIDs, image acceptance etc.
The output may look like:
::
=> fwu_mdata_read
FWU Metadata
crc32: 0xec4fb997
version: 0x1
active_index: 0x0
previous_active_index: 0x1
Image Info
Image Type Guid: 19D5DF83-11B0-457B-BE2C-7559C13142A5
Location Guid: 49272BEB-8DD8-46DF-8D75-356C65EFF417
Image Guid: D57428CC-BB9A-42E0-AA36-3F5A132059C7
Image Acceptance: yes
Image Guid: 2BE37D6D-8281-4938-BD7B-9A5BBF80869F
Image Acceptance: yes
Configuration
-------------
To use the fwu_mdata_read command, CONFIG_CMD_FWU_METADATA needs to be
enabled.