dts/Makefile: don't define ARCH_CPU_DTS, BOARD_DTS

[people/ms/u-boot.git] / dts / Makefile

diff --git a/dts/Makefile b/dts/Makefile
index 03e163ef0aecaa9af9ab0812e85a781187dfdb13..5dbf59be2f1dc6a17e2f95b170de82d7eb382c91 100644 (file)
--- a/dts/Makefile
+++ b/dts/Makefile
@@ -1,23 +1,7 @@
 #
 # 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
@@ -33,15 +17,15 @@ $(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))
+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
+               -nostdinc $(addprefix -I,$(DTS_INCDIRS))
+
+DTC_FLAGS := -R 4 -p 0x1000 \
+       $(addprefix -i ,$(DTS_INCDIRS))
 
 all:   $(obj).depend $(LIB)
 
@@ -51,13 +35,8 @@ all: $(obj).depend $(LIB)
 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) -P $(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'