diff --git a/meta-aspeed/conf/machine/include/aspeed.inc b/meta-aspeed/conf/machine/include/aspeed.inc
index a2316cf..c3c5f18 100644
--- a/meta-aspeed/conf/machine/include/aspeed.inc
+++ b/meta-aspeed/conf/machine/include/aspeed.inc
@@ -13,6 +13,11 @@
 INITRAMFS_IMAGE ?= "aspeed-image-initramfs"
 INITRAMFS_FSTYPES ?= "cpio.xz"
 
+WKS_FILE ?= "emmc-aspeed.wks.in"
+WKS_FILE_DEPENDS ?= "virtual/kernel"
+WKS_HOSTFW_SIZE ?= "5G"
+IMAGE_BOOT_FILES ?= "fitImage-${INITRAMFS_IMAGE}-${MACHINE}-${MACHINE};fitImage"
+
 MACHINE_EXTRA_RRECOMMENDS += "udev-aspeed-vuart udev-aspeed-mtd-partitions"
 
 MACHINEOVERRIDES =. "aspeed:"