--- /dev/null
+################################################################################
+#
+# Build a kernel with an integrated initial ramdisk
+# filesystem based on cpio.
+#
+################################################################################
+
+ROOTFS_INITRAMFS_DEPENDENCIES += rootfs-cpio
+
+ROOTFS_INITRAMFS_POST_TARGETS += linux-rebuild-with-initramfs
+
+
+# The generic fs infrastructure isn't very useful here.
+
+rootfs-initramfs: $(ROOTFS_INITRAMFS_DEPENDENCIES) $(ROOTFS_INITRAMFS_POST_TARGETS)
+
+rootfs-initramfs-show-depends:
+ @echo $(ROOTFS_INITRAMFS_DEPENDENCIES)
+
+.PHONY: rootfs-initramfs rootfs-initramfs-show-depends
+
+ifeq ($(BR2_TARGET_ROOTFS_INITRAMFS),y)
+TARGETS_ROOTFS += rootfs-initramfs
+endif