Add support for building the U-Boot MMC boot partition only.

diff --git a/mkimage.sh b/mkimage.sh
index bf78888d80a4d10b8ab022547915f1b014fc0071..a26815f84db8d6d9ae50ce609d53695812c7925c 100755 (executable)
--- a/mkimage.sh
+++ b/mkimage.sh
@@ -42,14 +42,14 @@ shift $((OPTIND - 1))
 
 DEVICE=$1
 if [ ! -b "$DEVICE" ]; then
-       echo "Usage: $0 [-b BOOTPARTITION_SIZE] [-s SUITE] [-t sd|mmc] DEVICE [OTHER_DEBOOTSTRAP_ARGS...]"
+       echo "Usage: $0 [-b BOOTPARTITION_SIZE] [-s SUITE] [-t sd|mmc|mmcbootonly] DEVICE [OTHER_DEBOOTSTRAP_ARGS...]"
        echo "DEVICE is an SD card device, e.g. /dev/sdb."
        exit 1
 fi
 shift
 
-if [ "$TYPE" != "sd" ] && [ "$TYPE" != "mmc" ]; then
-       echo "Card type must be 'sd' or 'mmc'."
+if [ "$TYPE" != "sd" ] && [ "$TYPE" != "mmc" ] && [ "$TYPE" != "mmcbootonly" ]; then
+       echo "Card type must be 'sd', 'mmc' or 'mmcbootonly'."
        exit 1
 fi
 
@@ -67,20 +67,22 @@ if [ ! -d u-boot ]; then
        git clone https://github.com/hardkernel/u-boot -b odroidxu3-v2012.07
 fi
 
-# Partition the device.
-parted ${DEVICE} mklabel msdos
-parted ${DEVICE} mkpart primary fat32 2MB $(( BOOTPART_MB + 2 ))MB
-parted ${DEVICE} set 1 boot on
-parted ${DEVICE} mkpart primary ext2 $(( BOOTPART_MB + 2))MB 100%
-
-# Figure out if the partitions are of type ${DEVICE}1 or ${DEVICE}p1.
-if [ -b "${DEVICE}1" ]; then
-       DEVICE_STEM=${DEVICE}
-elif [ -b "${DEVICE}p1" ]; then
-       DEVICE_STEM=${DEVICE}p
-else
-       echo "Could not find device files for partitions of ${DEVICE}. Exiting."
-       exit 1
+if [ "$TYPE" != "mmcbootonly" ]; then
+       # Partition the device.
+       parted ${DEVICE} mklabel msdos
+       parted ${DEVICE} mkpart primary fat32 2MB $(( BOOTPART_MB + 2 ))MB
+       parted ${DEVICE} set 1 boot on
+       parted ${DEVICE} mkpart primary ext2 $(( BOOTPART_MB + 2))MB 100%
+
+       # Figure out if the partitions are of type ${DEVICE}1 or ${DEVICE}p1.
+       if [ -b "${DEVICE}1" ]; then
+               DEVICE_STEM=${DEVICE}
+       elif [ -b "${DEVICE}p1" ]; then
+               DEVICE_STEM=${DEVICE}p
+       else
+               echo "Could not find device files for partitions of ${DEVICE}. Exiting."
+               exit 1
+       fi
 fi
 
 # Put the different stages of U-Boot into the right place.
@@ -88,6 +90,9 @@ fi
 if [ "$TYPE" = "sd" ]; then
        UBOOT_DEVICE=${DEVICE}
        UBOOT_OFFSET=1
+elif [ "$TYPE" = "mmcbootonly" ]; then
+       UBOOT_DEVICE=${DEVICE}
+       UBOOT_OFFSET=0
 else
        UBOOT_DEVICE=${DEVICE}boot0
        UBOOT_OFFSET=0
@@ -100,6 +105,11 @@ dd if=u-boot/sd_fuse/hardkernel_1mb_uboot/tzsw.bin.hardkernel of=${UBOOT_DEVICE}
 # Clear out the environment.
 dd if=/dev/zero of=${DEVICE} seek=2560 count=32 bs=512 conv=sync
 
+if [ "$TYPE" = "mmcbootonly" ]; then
+       # The user asked us to only create the MMC boot partition, so exit.
+       exit 0
+fi
+
 # Create a /boot partition. Strictly speaking, almost everything could be loaded
 # from ext4, but using FAT is somehow traditional and less likely to be broken
 # at any given time. (It doesn't support symlinks, though, which breaks flash-kernel,