From e3203be00ea0a055f51da8760a37bcd2bcc17a7a Mon Sep 17 00:00:00 2001
From: Haggai Eran <haggai.eran@gmail.com>
Date: Mon, 25 May 2015 22:44:04 +0300
Subject: [PATCH] add EXTRA_CMDLINE option to add kernel command line arguments

Allow configuring extra kernel command line arguments by using the
EXTRA_CMDLINE variable. The patch handles EXTRA_CMDLINE only for the
bcm2835 boot loaders.
---
 scripts/image   | 1 +
 scripts/mkimage | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/scripts/image b/scripts/image
index 50cc9a0fbf..3147c463c0 100755
--- a/scripts/image
+++ b/scripts/image
@@ -333,6 +333,7 @@ fi
           UUID_SYSTEM="$(uuidgen)" \
           UUID_STORAGE="$(uuidgen)" \
           UBOOT_SYSTEM="$UBOOT_SYSTEM" \
+          EXTRA_CMDLINE="$EXTRA_CMDLINE" \
           $SCRIPTS/mkimage
       fi
 
diff --git a/scripts/mkimage b/scripts/mkimage
index aeb4f6c3d6..590ec3928b 100755
--- a/scripts/mkimage
+++ b/scripts/mkimage
@@ -148,7 +148,7 @@ elif [ "$BOOTLOADER" = "bcm2835-bootloader" ]; then
   # create bootloader configuration
     echo "image: creating bootloader configuration..."
     cat << EOF > "$OE_TMP"/cmdline.txt
-boot=/dev/mmcblk0p1 disk=/dev/mmcblk0p2 quiet
+boot=/dev/mmcblk0p1 disk=/dev/mmcblk0p2 quiet $EXTRA_CMDLINE
 EOF
 
   # copy files