merged tx6dl-devel into denx master branch

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

diff --git a/dts/Makefile b/dts/Makefile
index 6f36153634b5cb082975d0912d6bbd1256a0f6d8..f10631785010541b2b50720503c7aac277e45f01 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
@@ -27,19 +11,21 @@ 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))
+endif
+
+DTS_INCDIRS =  $(SRCTREE)/board/$(VENDOR)/$(BOARD)/dts
+DTS_INCDIRS += $(SRCTREE)/board/$(VENDOR)/dts
+DTS_INCDIRS += $(SRCTREE)/arch/$(ARCH)/dts
 
-$(if $(CONFIG_ARCH_DEVICE_TREE),,\
-$(error Your architecture does not have device tree support enabled. \
-Please define CONFIG_ARCH_DEVICE_TREE))
+DTS_CPPFLAGS := -x assembler-with-cpp -undef -D__DTS__ \
+               -nostdinc $(addprefix -I,$(DTS_INCDIRS))
 
-# 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
+DTC_FLAGS := -R 4 -p 0x1000 \
+       $(addprefix -i ,$(DTS_INCDIRS))
 
 all:   $(obj).depend $(LIB)
 
@@ -49,13 +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) $(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'
@@ -73,15 +54,15 @@ $(obj)dt.o: $(DT_BIN)
                oformat=`$(call process_lds,cat $(LDSCRIPT),FORMAT)` && \
                oarch=`$(call process_lds,cat $(LDSCRIPT),ARCH)` ;\
        \
-       [ -z $${oformat} ] && \
+       [ -z "$${oformat}" ] && \
                oformat=`$(call process_lds,$(GET_LDS),FORMAT)` ;\
-       [ -z $${oarch} ] && \
+       [ -z "$${oarch}" ] && \
                oarch=`$(call process_lds,$(GET_LDS),ARCH)` ;\
        \
-       [ -z $${oformat} ] && \
+       [ -z "$${oformat}" ] && \
                echo "Cannot read OUTPUT_FORMAT from lds file $(LDSCRIPT)" && \
                exit 1 || true ;\
-       [ -z $${oarch} ] && \
+       [ -z "$${oarch}" ] && \
                echo "Cannot read OUTPUT_ARCH from lds file $(LDSCRIPT)" && \
                exit 1 || true ;\
        \