dtbo: make dtbos special
Special rule for dtbo generation
Signed-off-by: Pantelis Antoniou <pantelis.antoniou@konsulko.com>
Acked-by: Simon Glass <sjg@chromium.org>
diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index 9ce47b4..2a7ed70 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -321,6 +321,23 @@
dtc-tmp = $(subst $(comma),_,$(dot-target).dts.tmp)
+# DTCO
+# ---------------------------------------------------------------------------
+
+quiet_cmd_dtco = DTCO $@
+# Rule for objects only; does not put specific u-boot include at the end
+# No generation of assembly file either
+# Modified for U-Boot
+cmd_dtco = mkdir -p $(dir ${dtc-tmp}) ; \
+ $(CPP) $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) - ; \
+ $(DTC) -@ -O dtb -o $@ -b 0 \
+ -i $(dir $<) $(DTC_FLAGS) \
+ -d $(depfile).dtc.tmp $(dtc-tmp) ; \
+ cat $(depfile).pre.tmp $(depfile).dtc.tmp > $(depfile)
+
+$(obj)/%.dtbo: $(src)/%.dts FORCE
+ $(call if_changed_dep,dtco)
+
# Fonts
# ---------------------------------------------------------------------------