[PATCH] Documentation: efi: add example how to create EFI partition

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From: Oleksij Rempel <o.rempel@xxxxxxxxxxxxxx>

Signed-off-by: Oleksij Rempel <o.rempel@xxxxxxxxxxxxxx>
---
 Documentation/boards/efi.rst | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/Documentation/boards/efi.rst b/Documentation/boards/efi.rst
index 8f78a800e..6c90e6cdf 100644
--- a/Documentation/boards/efi.rst
+++ b/Documentation/boards/efi.rst
@@ -47,6 +47,31 @@ has to be put into the ``EFI/barebox/`` directory.
 Supported backends for EFI are raw partitions that can be discovered via a
 partition UUID.
 
+With this sample script you can create bootable image and transfer it to the
+flash driver:
+
+.. code-block:: sh
+
+  truncate --size 128M barebox-boot.img
+  echo 'start=2048, type=ef' | sfdisk barebox-boot.img
+
+  LOOPDEV=$(losetup --find --show barebox-boot.img)
+  partprobe ${LOOPDEV}
+
+  # Create filesystems
+  mkfs.fat -F32 ${LOOPDEV}p1
+  MOUNTDIR=$(mktemp -d -t demoXXXXXX)
+  mount ${LOOPDEV}p1 $MOUNTDIR
+  mkdir -p ${MOUNTDIR}/EFI/BOOT/
+  cp barebox.efi ${MOUNTDIR}/EFI/BOOT/BOOTx64.EFI
+  if [ -d network-drivers ]; then
+    cp -r network-drivers ${MOUNTDIR}/
+  fi
+  umount ${MOUNTDIR}
+  losetup -d ${LOOPDEV}
+
+  dd if=barebox-boot.img of=/dev/sdX
+
 Running EFI barebox on qemu
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-- 
2.11.0


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