add uboot check, allow more boards then just beagle

Signed-off-by: Robert Nelson <robertcnelson@gmail.com>

mk_mmc.sh

@@ -63,9 +63,15 @@ function dl_xload_uboot {
   ABI="ABI"
  fi
 
+case "$SYSTEM" in
+    beagle)
+
  MLO=$(cat ${TEMPDIR}/dl/bootloader | grep "${ABI}:1 MLO" | awk '{print $3}')
  UBOOT=$(cat ${TEMPDIR}/dl/bootloader | grep "${ABI}:1 UBOOT" | awk '{print $3}')
 
+        ;;
+esac
+
  wget -c --no-verbose --directory-prefix=${TEMPDIR}/dl/ ${MLO}
  wget -c --no-verbose --directory-prefix=${TEMPDIR}/dl/ ${UBOOT}
 
@@ -642,6 +648,25 @@ function check_mmc {
  fi
 }
 
+function check_uboot_type {
+ IN_VALID_UBOOT=1
+ unset DO_UBOOT
+
+case "$UBOOT_TYPE" in
+    beagle)
+
+ SYSTEM=beagle
+ unset IN_VALID_UBOOT
+ DO_UBOOT=1
+
+        ;;
+esac
+
+ if [ "$IN_VALID_UBOOT" ] ; then
+   usage
+ fi
+}
+
 function check_distro {
  IN_VALID_DISTRO=1
 
@@ -684,6 +709,9 @@ required options:
 --mmc </dev/sdX>
     Unformated MMC Card
 
+--uboot <dev board>
+    beagle - <Bx, C2/C3/C4, xMA, xMB>
+
 --distro <distro>
     Debian:
       squeeze <default>
@@ -730,6 +758,11 @@ while [ ! -z "$1" ]; do
             fi
             check_mmc 
             ;;
+        --uboot)
+            checkparm $2
+            UBOOT_TYPE="$2"
+            check_uboot_type
+            ;;
         --distro)
             checkparm $2
             DISTRO_TYPE="$2"