upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
70 lines
2.1 KiB
70 lines
2.1 KiB
#
|
|
# Copyright (c) 2011 The Chromium OS Authors.
|
|
#
|
|
# 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.
|
|
|
|
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
|
|
|
|
DTS_CPPFLAGS := -x assembler-with-cpp -undef -D__DTS__ \
|
|
-nostdinc $(addprefix -I,$(DTS_INCDIRS))
|
|
|
|
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): $(TOPDIR)/board/$(VENDOR)/dts/$(DEVICE_TREE).dts
|
|
$(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'
|
|
|
|
# Run the compiler and get the link script from the linker
|
|
GET_LDS = $(CC) $(CFLAGS) $(LDFLAGS) -Wl,--verbose 2>&1
|
|
|
|
$(obj)dt.o: $(DT_BIN)
|
|
# We want the output format and arch.
|
|
# We also hope to win a prize for ugliest Makefile / shell interaction
|
|
# We look in the LDSCRIPT first.
|
|
# Then try the linker which should give us the answer.
|
|
# Then check it worked.
|
|
[ -n "$(LDSCRIPT)" ] && \
|
|
oformat=`$(call process_lds,cat $(LDSCRIPT),FORMAT)` && \
|
|
oarch=`$(call process_lds,cat $(LDSCRIPT),ARCH)` ;\
|
|
\
|
|
[ -z $${oformat} ] && \
|
|
oformat=`$(call process_lds,$(GET_LDS),FORMAT)` ;\
|
|
[ -z $${oarch} ] && \
|
|
oarch=`$(call process_lds,$(GET_LDS),ARCH)` ;\
|
|
\
|
|
[ -z $${oformat} ] && \
|
|
echo "Cannot read OUTPUT_FORMAT from lds file $(LDSCRIPT)" && \
|
|
exit 1 || true ;\
|
|
[ -z $${oarch} ] && \
|
|
echo "Cannot read OUTPUT_ARCH from lds file $(LDSCRIPT)" && \
|
|
exit 1 || true ;\
|
|
\
|
|
cd $(dir ${DT_BIN}) && \
|
|
$(OBJCOPY) -I binary -O $${oformat} -B $${oarch} \
|
|
$(notdir ${DT_BIN}) $@
|
|
rm $(DT_BIN)
|
|
|
|
obj-$(CONFIG_OF_EMBED) := dt.o
|
|
|
|
binary: $(DT_BIN)
|
|
|