# This Makefile builds the internal U-Boot fdt if CONFIG_OF_CONTROL is
# enabled. See doc/README.fdt-control for more details.
-include $(TOPDIR)/config.mk
-
-LIB = $(obj)libdts.o
-
ifeq ($(DEVICE_TREE),)
$(if $(CONFIG_DEFAULT_DEVICE_TREE),,\
$(error Please define CONFIG_DEFAULT_DEVICE_TREE in your board header file))
-DEVICE_TREE = $(subst ",,$(CONFIG_DEFAULT_DEVICE_TREE))
+DEVICE_TREE = $(CONFIG_DEFAULT_DEVICE_TREE:"%"=%)
endif
-$(if $(CONFIG_ARCH_DEVICE_TREE),,\
-$(error Your architecture does not have device tree support enabled. \
-Please define CONFIG_ARCH_DEVICE_TREE))
+DTS_INCDIRS = $(SRCTREE)/board/$(VENDOR)/$(BOARD)/dts
+DTS_INCDIRS += $(SRCTREE)/board/$(VENDOR)/dts
+DTS_INCDIRS += $(SRCTREE)/arch/$(ARCH)/dts
-# We preprocess the device tree file provide a useful define
-DTS_CPPFLAGS := -x assembler-with-cpp \
- -DARCH_CPU_DTS=\"$(SRCTREE)/arch/$(ARCH)/dts/$(CONFIG_ARCH_DEVICE_TREE).dtsi\" \
- -DBOARD_DTS=\"$(SRCTREE)/board/$(VENDOR)/$(BOARD)/dts/$(DEVICE_TREE).dts\" \
- -I$(SRCTREE)/board/$(VENDOR)/dts -I$(SRCTREE)/arch/$(ARCH)/dts
+DTS_CPPFLAGS := -x assembler-with-cpp -undef -D__DTS__ \
+ -nostdinc $(addprefix -I,$(DTS_INCDIRS))
-all: $(obj).depend $(LIB)
+DTC_FLAGS := -R 4 -p 0x1000 \
+ $(addprefix -i ,$(DTS_INCDIRS))
# Use a constant name for this so we can access it from C code.
# objcopy doesn't seem to allow us to set the symbol name independently of
DT_BIN := $(obj)dt.dtb
$(DT_BIN): $(TOPDIR)/board/$(VENDOR)/dts/$(DEVICE_TREE).dts
- rc=$$( \
- cat $< | $(CPP) -P $(DTS_CPPFLAGS) - | \
- { { $(DTC) -R 4 -p 0x1000 -O dtb -o ${DT_BIN} - 2>&1 ; \
- echo $$? >&3 ; } | \
- grep -v '^DTC: dts->dtb on file' ; \
- } 3>&1 1>&2 ) ; \
- exit $$rc
+ $(CPP) $(DTS_CPPFLAGS) $< -o $(DT_BIN).dts.tmp
+ $(DTC) $(DTC_FLAGS) -O dtb -o ${DT_BIN} $(DT_BIN).dts.tmp
process_lds = \
$(1) | sed -r -n 's/^OUTPUT_$(2)[ ("]*([^")]*).*/\1/p'
$(notdir ${DT_BIN}) $@
rm $(DT_BIN)
-OBJS-$(CONFIG_OF_EMBED) := dt.o
-
-COBJS := $(OBJS-y)
-
-OBJS := $(addprefix $(obj),$(COBJS))
+obj-$(CONFIG_OF_EMBED) := dt.o
binary: $(DT_BIN)
-
-$(LIB): $(OBJS) $(DTB)
- $(call cmd_link_o_target, $(OBJS))
-
-#########################################################################
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
-
-#########################################################################