# $(1): board name
# $(2): kernel image
# $(3): rootfs image
-# $(4): ubi image
ifneq ($(CONFIG_NAND_SUPPORT),)
define Image/Build/SysupgradeNAND
mkdir -p $(KDIR_TMP)/sysupgrade-$(1)/
echo "BOARD=$(1)" > $(KDIR_TMP)/sysupgrade-$(1)/CONTROL
[ -z "$(2)" ] || $(CP) $(2) $(KDIR_TMP)/sysupgrade-$(1)/kernel
[ -z "$(3)" ] || $(CP) $(3) $(KDIR_TMP)/sysupgrade-$(1)/root
- [ -z "$(4)" ] || $(CP) $(4) $(KDIR_TMP)/sysupgrade-$(1)/ubi
(cd $(KDIR_TMP); $(TAR) cvf \
$(BIN_DIR)/$(IMG_PREFIX)-$(1)-ubi-sysupgrade.tar sysupgrade-$(1))
endef