README: Add info about U-Boot support

Change-Id: I1b17ef313d2005b7bf0ef853a2730144032f8539
Signed-off-by: Andrei Gherzan <andrei@gherzan.ro>

1 files changed, 9 insertions, 0 deletions

diff --git a/README b/README
index 474c5f3..fc492c5 100644
--- a/README
+++ b/README
@@ -36,6 +36,7 @@ Contents:
     2.E. Set overclocking options
     2.F. Optional - Video camera support with V4L2 drivers
     2.G. Images
+    2.H. Boot to U-Boot
 3. Extra apps
     3.A. omxplayer
 4. Source code and mirrors
@@ -146,6 +147,14 @@ VIDEO_CAMERA = "1"
     Image based on rpi-basic-image which includes most of the packages in this
     layer and some media samples.
 
+2.H. Boot to U-Boot
+===================
+To have u-boot load kernel image, set in your local.conf
+KERNEL_IMAGETYPE = "uImage"
+
+This will make kernel.img be u-boot image which will load uImage.
+By default, kernel.img is the actual kernel image (ex. Image).
+
 
 3. Extra apps
 =============