Read boot script from shared partition, if available.
Signed-off-by: Ian Ray <ian.ray@ge.com>
Signed-off-by: Martyn Welch <martyn.welch@collabora.co.uk>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
 
 #define CONFIG_MMCBOOTCOMMAND \
        "setenv dev mmc; " \
-       "setenv rootdev mmcblk0p${partnum}; " \
+       "setenv devnum ${emmcdev}; " \
        \
-       "setenv devnum ${sddev}; " \
-       "if mmc dev ${devnum}; then " \
-               "run tryboot; " \
-               "setenv rootdev mmcblk1p${partnum}; " \
+       "if ext2load ${dev} ${devnum}:5 0x7000A000 /boot/active/boot.img ; " \
+       "then " \
+               "source 0x7000A000; " \
        "fi; " \
        \
-       "setenv devnum ${emmcdev}; " \
+       "setenv rootdev mmcblk0p${partnum}; " \
+       \
        "if mmc dev ${devnum}; then " \
                "run tryboot; " \
        "fi; " \