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authorKory Maincent (TI.com) <[email protected]>2025-11-04 11:45:28 +0100
committerHeinrich Schuchardt <[email protected]>2025-11-06 23:26:28 +0100
commit81458bd1135b43b3ad917002ba7d93cdb59cec00 (patch)
tree4f38e4988f6b31f9d125ea667b1942c01d9d10e5 /doc
parent811d41221be41f5d12609305084914572cfc63b9 (diff)
doc: bootstd: Describe the optional extension_overlay_addr environment
Add extension_overlay_addr description to the list of environment variables that can be useful during the standard boot. Signed-off-by: Kory Maincent (TI.com) <[email protected]> Reviewed-by: Heinrich Schuchardt <[email protected]>
Diffstat (limited to 'doc')
-rw-r--r--doc/develop/bootstd/overview.rst3
1 files changed, 3 insertions, 0 deletions
diff --git a/doc/develop/bootstd/overview.rst b/doc/develop/bootstd/overview.rst
index f0d420361f7..397f6db18b4 100644
--- a/doc/develop/bootstd/overview.rst
+++ b/doc/develop/bootstd/overview.rst
@@ -252,6 +252,9 @@ Various environment variables are used by standard boot. These allow the board
to control where things are placed when booting the OS. You should ensure that
your boards sets values for these.
+extension_overlay_addr (needed if extension is used)
+ Address at which to load the extension FDT overlays, e.g. 0x02000000
+
fdtfile
Name of the flattened device tree (FDT) file to load, e.g.
"rockchip/rk3399-rockpro64.dtb"