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diff --git a/doc/README.imximage b/doc/README.imximage
index 073e3fcb3c..802eb90f1d 100644
--- a/doc/README.imximage
+++ b/doc/README.imximage
@@ -65,9 +65,27 @@ Configuration command line syntax:
This command need appear the fist before
other valid commands in configuration file.
+ BOOT_OFFSET value
+
+ This command is parallel to BOOT_FROM and
+ is preferred over BOOT_FROM.
+
+ value: Offset of the image header, this
+ value shall be set to one of the
+ values found in the file:
+ arch/arm/include/asm/\
+ imx-common/imximage.cfg
+ Example:
+ BOOT_OFFSET FLASH_OFFSET_STANDARD
+
BOOT_FROM nand/spi/sd/onenand/nor/sata
+
+ This command is parallel to BOOT_OFFSET and
+ is to be deprecated in favor of BOOT_OFFSET.
+
Example:
BOOT_FROM spi
+
DATA type address value
type: word=4, halfword=2, byte=1