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-rw-r--r--doc/mkimage.16
-rw-r--r--doc/uImage.FIT/source_file_format.txt3
2 files changed, 9 insertions, 0 deletions
diff --git a/doc/mkimage.1 b/doc/mkimage.1
index 4b3a255255..ffa7d60156 100644
--- a/doc/mkimage.1
+++ b/doc/mkimage.1
@@ -152,6 +152,12 @@ verification. Typically the file here is the device tree binary used by
CONFIG_OF_CONTROL in U-Boot.
.TP
+.BI "\-p [" "external position" "]"
+Place external data at a static external position. See \-E. Instead of writing
+a 'data-offset' property defining the offset from the end of the FIT, \-p will
+use 'data-position' as the absolute position from the base of the FIT.
+
+.TP
.BI "\-r
Specifies that keys used to sign the FIT are required. This means that they
must be verified for the image to boot. Without this option, the verification
diff --git a/doc/uImage.FIT/source_file_format.txt b/doc/uImage.FIT/source_file_format.txt
index 3f5418045e..91aa89a77e 100644
--- a/doc/uImage.FIT/source_file_format.txt
+++ b/doc/uImage.FIT/source_file_format.txt
@@ -282,6 +282,9 @@ In this case the 'data' property is omitted. Instead you can use:
aligned to a 4-byte boundary.
- data-size : size of the data in bytes
+The 'data-offset' property can be substituted with 'data-position', which
+defines an absolute position or address as the offset. This is helpful when
+booting U-Boot proper before performing relocation.
9) Examples
-----------
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