recovery init: format rootfs partition (block devices) when setting a new key

https://jira.digi.com/browse/DEL-3277

Signed-off-by: Tatiana Leon <tatiana.leon@digi.com>

meta-digi-dey/recipes-core/recovery/recovery-initramfs.bb

@@ -1,4 +1,4 @@
-# Copyright (C) 2016 Digi International.
+# Copyright (C) 2016, 2017 Digi International Inc.
 
 SUMMARY = "Recovery initramfs files"
 LICENSE = "GPL-2.0"
@@ -56,3 +56,7 @@ do_install() {
 PACKAGES = "${PN}"
 
 FILES_${PN} = "/"
+
+RDEPENDS_${PN}_append_ccimx6 = " \
+    cryptsetup \
+"

meta-digi-dey/recipes-core/recovery/recovery-initramfs/recovery-initramfs-init

@@ -415,11 +415,19 @@ if [ -n "${encryption_key_bool}" ]; then
 	psplash_progress "0"
 	trustfence-tool "--newkey${encryption_key:+=${encryption_key}}"
 	if [ "$?" = "0" ]; then
-		psplash_progress "100"
+		psplash_progress "10"
 		log "Trustfence encryption key setup succeed!"
 	else
 		quit_with_error "Error configuring trustfence encryption key"
 	fi
+
+	# Format partition.
+	if [ "$(is_nand)" = "no" ]; then
+		psplash_message "Formatting rootfs partition..."
+		rootfs_block="/dev/mmcblk0p$(parted -s /dev/mmcblk0 print | sed -ne "s,^[^0-9]*\([0-9]\+\).*\<rootfs\>.*,\1,g;T;p")"
+		trustfence-tool --format ${rootfs_block} cryptroot
+	fi
+	psplash_progress "100"
 fi
 
 # Check if update package command is configured.
@@ -432,6 +440,7 @@ if [ -n "${update_package_bool}" ]; then
 	else
 		# Give some time for the devices to settle down
 		sleep 5
+
 		mount_external_disks
 		mount_partition update "${UPDATE_MOUNT_DIR}"