-# Pass the original device tree file through fdtgrep twice. The first pass
-# removes any unwanted nodes (i.e. those which don't have the
-# 'u-boot,dm-pre-reloc' property and thus are not needed by SPL. The second
-# pass removes various unused properties from the remaining nodes.
-# The output is typically a much smaller device tree file.
-ifeq ($(CONFIG_TPL_BUILD),y)
-fdtgrep_props := -b u-boot,dm-pre-reloc -b u-boot,dm-tpl
-else
-fdtgrep_props := -b u-boot,dm-pre-reloc -b u-boot,dm-spl
-endif
-quiet_cmd_fdtgrep = FDTGREP $@
- cmd_fdtgrep = $(objtree)/tools/fdtgrep $(fdtgrep_props) -RT $< \
- -n /chosen -O dtb | \
- $(objtree)/tools/fdtgrep -r -O dtb - -o $@ \
- $(addprefix -P ,$(subst $\",,$(CONFIG_OF_SPL_REMOVE_PROPS)))
-
-$(obj)/$(SPL_BIN).dtb: dts/dt.dtb $(objtree)/tools/fdtgrep FORCE
- $(call if_changed,fdtgrep)
+$(obj)/$(SPL_BIN).dtb: dts/dt-spl.dtb FORCE
+ $(call if_changed,copy)