From 334567d763259c33a5527a8e58a22257fbe6046c Mon Sep 17 00:00:00 2001
From: Robert Nelson <robertcnelson@gmail.com>
Date: Tue, 7 Oct 2014 09:25:40 -0500
Subject: [PATCH] distro_defaults: add backup mmcroot definition

---
 lib/distro_defaults.cmd | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/lib/distro_defaults.cmd b/lib/distro_defaults.cmd
index c16597b..7e2739e 100644
--- a/lib/distro_defaults.cmd
+++ b/lib/distro_defaults.cmd
@@ -20,7 +20,14 @@ for i in 1 2 3 4 5 6 7 ; do
 			echo Using: [uuid=${uuid}] ...;
 		else
 			echo Warning: [uuid] is not set in /boot/uEnv.txt ...;
-			echo Using: [root=${mmcroot} ro] ...;
+			if test -n ${mmcroot}; then
+				setenv root ${mmcroot} ro;
+				echo Using: [root=${mmcroot} ro] ...;
+			else
+				echo Warning: [mmcroot] is not set in /boot/uEnv.txt...;
+				setenv root /dev/mmcblk0p1 ro;
+				echo Using: [root=/dev/mmcblk0p1 ro] ...;
+			fi;
 		fi;
 
 		if test -n ${uname_r}; then