Compressed images should have their compression property
set to "none" if U-Boot should leave them compressed.
This is especially the case for compressed ramdisks that
should be uncompressed by the kernel only.
Signed-off-by: Simon Goldschmidt <sgoldschm...@de.pepperl-fuchs.com>
---
doc/uImage.FIT/source_file_format.txt | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/doc/uImage.FIT/source_file_format.txt
b/doc/uImage.FIT/source_file_format.txt
index d2793a195d..d701b9bb76 100644
--- a/doc/uImage.FIT/source_file_format.txt
+++ b/doc/uImage.FIT/source_file_format.txt
@@ -164,7 +164,9 @@ the '/images' node should have the following layout:
- data : Path to the external file which contains this node's binary data.
- compression : Compression used by included data. Supported compressions
are "gzip" and "bzip2". If no compression is used compression property
- should be set to "none".
+ should be set to "none". If the data is compressed but it should not be
+ uncompressed by U-Boot (e.g. compressed ramdisk), this should also be set
+ to "none".
Conditionally mandatory property:
- os : OS name, mandatory for types "kernel" and "ramdisk". Valid OS names
--
2.11.0
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