Add support for /dev/mmcblkX devices

Author: jamesgraves

write_sd_card.sh

@@ -13,13 +13,23 @@ fi
 
 SD_CARD=$1
 
+# Partition prefix
+# Partitions for /dev/sdc are: /dev/sdc1 /dev/sdc2 /dev/sdc3
+# Partitions for /dev/mmcblk0 are: /dev/mmcblk0p1 /dev/mmcblk0p2 /dev/mmcblkp0p3
+p=""
+case ${SD_CARD} in
+	*mmcblk*)
+		p="p"
+		;;
+esac
+
 #
 # Check that all partitions on SD card are unmounted.
 #
 if [ -b ${SD_CARD} ]; then
 	for i in 1 2 3 4 5 6 7 8 9
 	do
-		partition=${SD_CARD}${i}
+		partition=${SD_CARD}${p}${i}
 		if mount | grep --quiet ${partition} ; then
 			echo "${partition} is currently mounted."
 			echo "All parittions of the SD card must be unmounted first."
@@ -44,29 +54,29 @@ sudo parted -s -a optimal -- ${SD_CARD} mkpart primary ext4 100MiB -1GiB
 sudo parted -s -a optimal -- ${SD_CARD} mkpart primary linux-swap -1GiB 100%
 for i in 0 1 2 3 4 5 6 7 8 9
 do
-	if [ -b ${SD_CARD}1 -a -b ${SD_CARD}2 -a -b ${SD_CARD}3 ]; then
+	if [ -b ${SD_CARD}${p}1 -a -b ${SD_CARD}${p}2 -a -b ${SD_CARD}${p}3 ]; then
 		break
 	fi
 	sleep 1
 done
 echo "Create filesystems and swap space"
-sudo mkfs.ext2 ${SD_CARD}1
-sudo mkfs.ext4 ${SD_CARD}2
-sudo mkswap ${SD_CARD}3
+sudo mkfs.ext2 ${SD_CARD}${p}1
+sudo mkfs.ext4 ${SD_CARD}${p}2
+sudo mkswap ${SD_CARD}${p}3
 echo "Write SPL"
 sudo dd if=sun20i_d1_spl/nboot/boot0_sdcard_sun20iw1p1.bin of=${SD_CARD} bs=8192 seek=16
 echo "Write u-boot table of contents"
 sudo dd if=u-boot.toc1 of=${SD_CARD} bs=512 seek=32800
 sudo mkdir -p /mnt/sdcard_boot
 sudo mkdir -p /mnt/sdcard_rootfs
 echo "Copy files to /boot partition"
-sudo mount ${SD_CARD}1 /mnt/sdcard_boot
+sudo mount ${SD_CARD}${p}1 /mnt/sdcard_boot
 sudo cp linux-build/arch/riscv/boot/Image.gz /mnt/sdcard_boot
 sudo cp boot.scr /mnt/sdcard_boot
 sudo sync
 sudo umount /mnt/sdcard_boot
 echo "Copy files to root filesystem"
-sudo mount ${SD_CARD}2 /mnt/sdcard_rootfs
+sudo mount ${SD_CARD}${p}2 /mnt/sdcard_rootfs
 sudo cp -a rootfs/* /mnt/sdcard_rootfs/
 sudo sync
 sudo umount /mnt/sdcard_rootfs