kbuild: use scripts/Makefile.clean

[karo-tx-uboot.git] / dts / Makefile

diff --git a/dts/Makefile b/dts/Makefile
index 03e163ef0aecaa9af9ab0812e85a781187dfdb13..1e7609a467441cdd1b840a797c467f16f4d55d45 100644 (file)
--- a/dts/Makefile
+++ b/dts/Makefile
@@ -1,71 +1,44 @@
 #
 # Copyright (c) 2011 The Chromium OS Authors.
 #
-# See file CREDITS for list of people who contributed to this
-# project.
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundatio; either version 2 of
-# the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
-# MA 02111-1307 USA
+# SPDX-License-Identifier:     GPL-2.0+
 #
 
 # 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
+DTS_INCDIRS =  $(SRCTREE)/board/$(VENDOR)/$(BOARD)/dts
+DTS_INCDIRS += $(SRCTREE)/board/$(VENDOR)/dts
+DTS_INCDIRS += $(SRCTREE)/arch/$(ARCH)/dts
 
-LIB    = $(obj)libdts.o
+DTS_CPPFLAGS := -x assembler-with-cpp -undef -D__DTS__ \
+               -nostdinc $(addprefix -I,$(DTS_INCDIRS))
 
-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))
-endif
-
-$(if $(CONFIG_ARCH_DEVICE_TREE),,\
-$(error Your architecture does not have device tree support enabled. \
-Please define CONFIG_ARCH_DEVICE_TREE))
-
-# 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
-
-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
 # the filename.
-DT_BIN := $(obj)dt.dtb
+DT_BIN := $(obj)/dt.dtb
 
+DEVICE_TREE ?= $(CONFIG_DEFAULT_DEVICE_TREE:"%"=%)
+ifeq ($(DEVICE_TREE),)
+$(DT_BIN): FORCE
+       echo >&2 "Please define CONFIG_DEFAULT_DEVICE_TREE in your board header file"
+else
 $(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
+endif
 
 process_lds = \
        $(1) | sed -r -n 's/^OUTPUT_$(2)[ ("]*([^")]*).*/\1/p'
 
 # Run the compiler and get the link script from the linker
-GET_LDS = $(CC) $(CFLAGS) $(LDFLAGS) -Wl,--verbose 2>&1
+GET_LDS = $(CC) $(c_flags) $(ld_flags) -Wl,--verbose 2>&1
 
-$(obj)dt.o: $(DT_BIN)
+$(obj)/dt.o: $(DT_BIN)
        # We want the output format and arch.
        # We also hope to win a prize for ugliest Makefile / shell interaction
        # We look in the LDSCRIPT first.
@@ -89,25 +62,9 @@ $(obj)dt.o: $(DT_BIN)
        \
        cd $(dir ${DT_BIN}) && \
        $(OBJCOPY) -I binary -O $${oformat} -B $${oarch} \
-               $(notdir ${DT_BIN}) $@
+               $(notdir ${DT_BIN}) $(notdir $@)
        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
-
-#########################################################################