+# If .u-boot.cfg.d is still present, then either:
+# a) The previous build used a Makefile that used if_changed rather than
+# if_changed_dep when building u-boot.cfg, and hence any later builds will
+# be unaware of the dependencies for u-boot.cfg. In this case, we must
+# delete u-boot.cfg to force it and .u-boot.cfg.cmd to be rebuilt the
+# correct way.
+# b) The previous build failed or was interrupted while building u-boot.cfg,
+# so deleting u-boot.cfg isn't going to cause any additional work.
+ifneq ($(wildcard $(obj)/.$(SPL_BIN).d),)
+ unused := $(shell rm -f $(obj)/$(SPL_BIN).cfg)
+endif
+$(obj)/$(SPL_BIN).cfg: include/config.h FORCE
+ $(call if_changed_dep,cpp_cfg)
+
+pythonpath = PYTHONPATH=tools
+
+quiet_cmd_dtocc = DTOC C $@
+cmd_dtocc = $(pythonpath) $(srctree)/tools/dtoc/dtoc -d $(obj)/$(SPL_BIN).dtb -o $@ platdata
+
+quiet_cmd_dtoch = DTOC H $@
+cmd_dtoch = $(pythonpath) $(srctree)/tools/dtoc/dtoc -d $(obj)/$(SPL_BIN).dtb -o $@ struct
+
+quiet_cmd_plat = PLAT $@
+cmd_plat = $(CC) $(c_flags) -c $< -o $@
+
+$(obj)/dts/dt-platdata.o: $(obj)/dts/dt-platdata.c include/generated/dt-structs.h
+ $(call if_changed,plat)
+
+PHONY += dts_dir
+dts_dir:
+ $(shell [ -d $(obj)/dts ] || mkdir -p $(obj)/dts)
+
+include/generated/dt-structs.h: $(obj)/$(SPL_BIN).dtb dts_dir dtoc
+ $(call if_changed,dtoch)
+
+$(obj)/dts/dt-platdata.c: $(obj)/$(SPL_BIN).dtb dts_dir dtoc
+ $(call if_changed,dtocc)
+
+dtoc: #$(objtree)/tools/_libfdt.so