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expo: doc: Update documentation for persistent settings

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Add mention of persistent settings in the documentation.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2023-08-14 16:40:39 -06:00 committed by Tom Rini
parent cfc402db39
commit 84b08afcbb
2 changed files with 15 additions and 1 deletions
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15
doc/develop/cedit.rst
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@ -152,3 +152,18 @@ Themes
The configuration editor uses simple expo themes. The theme is read from
`/bootstd/cedit-theme` in the devicetree.
Reading and writing settings
----------------------------
Cedit provides several options for persistent settings:
- Writing an FDT file to a filesystem
- Writing to U-Boot's environment variables, which are then typically stored in
a persistent manner
- Writing to CMOS RAM registers (common on x86 machines)
For now, reading and writing settings is not automatic. See the
:doc:`../usage/cmd/cedit` for how to do this on the command line or in a
script.

1
doc/develop/expo.rst
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@ -485,7 +485,6 @@ Some ideas for future work:
- Support unicode
- Support curses for proper serial-terminal menus
- Add support for large menus which need to scroll
- Add support for reading and writing configuration settings with cedit
- Update expo.py tool to check for overlapping names and CMOS locations
.. Simon Glass <sjg@chromium.org>