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doc: Fix CONFIG_OF_SEPARATE description

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CONFIG_OF_SEPARATE description is not in align with actual code in Makefile and
thus has misleading instructions and explanation.

Make it aligned with the actual code.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Andy Shevchenko 2019-01-08 16:17:42 +02:00 committed by Bin Meng
parent 2c8811b757
commit 2436396a11
1 changed files with 4 additions and 3 deletions
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7
doc/README.fdt-control
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@ -122,13 +122,14 @@ the U-Boot image (including u-boot.bin). This is suitable for debugging
and development only and is not recommended for production devices.
If CONFIG_OF_SEPARATE is defined, then it will be built and placed in
a u-boot.dtb file alongside u-boot.bin. A common approach is then to
a u-boot.dtb file alongside u-boot-nodtb.bin. A common approach is then to
join the two:
cat u-boot.bin u-boot.dtb >image.bin
cat u-boot-nodtb.bin u-boot.dtb >image.bin
and then flash image.bin onto your board. Note that U-Boot creates
u-boot-dtb.bin which does the above step for you also. If you are using
u-boot-dtb.bin which does the above step for you also. Resulting
u-boot.bin is a copy of u-boot-dtb.bin in this case. If you are using
CONFIG_SPL_FRAMEWORK, then u-boot.img will be built to include the device
tree binary.