#
# (C) Copyright 2000-2004
# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
#
# 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 Foundation; 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
#

HOSTARCH := $(shell uname -m | \
	sed -e s/i.86/i386/ \
	    -e s/arm.*/arm/)

HOSTOS := $(shell uname -s | tr A-Z a-z | \
	    sed -e 's/\(cygwin\).*/cygwin/')

export	HOSTARCH

# Deal with colliding definitions from tcsh etc.
VENDOR=

#########################################################################

TOPDIR	:= $(shell if [ "$$PWD" != "" ]; then echo $$PWD; else pwd; fi)
export	TOPDIR

ifeq (include/config.mk,$(wildcard include/config.mk))
# load ARCH, BOARD, and CPU configuration
include include/config.mk
export	ARCH CPU BOARD VENDOR
# load other configuration
include $(TOPDIR)/config.mk

ifndef CROSS_COMPILE
ifeq ($(ARCH),arm)
CROSS_COMPILE = arm-linux-
endif
ifeq ($(ARCH),i386)
ifeq ($(HOSTARCH),i386)
CROSS_COMPILE =
else
CROSS_COMPILE = i386-linux-
endif
endif
endif

export	CROSS_COMPILE

#########################################################################
# wiz-u-boot objects....order is important (i.e. start must be first)

OBJS  = cpu/$(CPU)/start.o
ifeq ($(CPU),i386)
OBJS += cpu/$(CPU)/start16.o
OBJS += cpu/$(CPU)/reset.o
endif

LIBS  = lib_generic/libgeneric.a
LIBS += board/$(BOARDDIR)/lib$(BOARD).a
LIBS += cpu/$(CPU)/lib$(CPU).a
LIBS += lib_$(ARCH)/lib$(ARCH).a
LIBS += fs/cramfs/libcramfs.a fs/fat/libfat.a fs/fdos/libfdos.a fs/jffs2/libjffs2.a \
	fs/reiserfs/libreiserfs.a
LIBS += net/libnet.a
LIBS += disk/libdisk.a
LIBS += rtc/librtc.a
LIBS += dtt/libdtt.a
LIBS += drivers/libdrivers.a
LIBS += drivers/sk98lin/libsk98lin.a
LIBS += post/libpost.a post/cpu/libcpu.a
LIBS += common/libcommon.a
.PHONY : $(LIBS)

# Add GCC lib
PLATFORM_LIBS += --no-warn-mismatch -L $(shell dirname `$(CC) $(CFLAGS) -print-libgcc-file-name`) -lgcc


# The "tools" are needed early, so put this first
# Don't include stuff already done in $(LIBS)
SUBDIRS	= tools \
	  post \
	  post/cpu
.PHONY : $(SUBDIRS)

#########################################################################
#########################################################################

ALL = wiz-u-boot.srec wiz-u-boot.bin wiz-u-boot.elf System.map

all:		$(ALL)

wiz-u-boot.srec:	wiz-u-boot
		$(OBJCOPY) ${OBJCFLAGS} -O srec $< $@

wiz-u-boot.bin:	wiz-u-boot
		$(OBJCOPY) ${OBJCFLAGS} -O binary $< $@

wiz-u-boot.elf:     wiz-u-boot
		$(OBJCOPY) ${OBJCFLAGS} -O elf32-littlearm $< $@

wiz-u-boot.img:	wiz-u-boot.bin
		./tools/mkimage -A $(ARCH) -T firmware -C none \
		-a $(TEXT_BASE) -e 0 \
		-n $(shell sed -n -e 's/.*U_BOOT_VERSION//p' include/version.h | \
			sed -e 's/"[	 ]*$$/ for $(BOARD) board"/') \
		-d $< $@

wiz-u-boot.dis:	wiz-u-boot
		$(OBJDUMP) -d $< > $@

wiz-u-boot:		depend $(SUBDIRS) $(OBJS) $(LIBS) $(LDSCRIPT)
		UNDEF_SYM=`$(OBJDUMP) -x $(LIBS) |sed  -n -e 's/.*\(__u_boot_cmd_.*\)/-u\1/p'|sort|uniq`;\
		$(LD) $(LDFLAGS) $$UNDEF_SYM $(OBJS) \
			--start-group $(LIBS) $(PLATFORM_LIBS) --end-group \
			-Map wiz-u-boot.map -o wiz-u-boot

$(LIBS):
		$(MAKE) -C `dirname $@`

$(SUBDIRS):
		$(MAKE) -C $@ all

gdbtools:
		$(MAKE) -C tools/gdb || exit 1

depend dep:
		@for dir in $(SUBDIRS) ; do $(MAKE) -C $$dir .depend ; done

tags:
		ctags -w `find $(SUBDIRS) include \
				lib_generic board/$(BOARDDIR) cpu/$(CPU) lib_$(ARCH) \
				fs/cramfs fs/fat fs/fdos fs/jffs2 \
				net disk rtc dtt drivers drivers/sk98lin common \
			\( -name CVS -prune \) -o \( -name '*.[ch]' -print \)`

etags:
		etags -a `find $(SUBDIRS) include \
			\( -name CVS -prune \) -o \( -name '*.[ch]' -print \)`

System.map:	wiz-u-boot
		@$(NM) $< | \
		grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \
		sort > System.map

#########################################################################
else
all install wiz-u-boot wiz-u-boot.srec depend dep:
	@echo "System not configured - see README" >&2
	@ exit 1
endif

#########################################################################

unconfig:
	@rm -f include/config.h include/config.mk board/*/config.tmp

#========================================================================
# ARM
#========================================================================
#########################################################################
## ARM92xT Systems
#########################################################################

w5300e01_config: unconfig
	@./mkconfig $(@:_config=) arm arm920t w5300e01 

#########################################################################
#########################################################################

clean:
	find . -type f \
		\( -name 'core' -o -name '*.bak' -o -name '*~' \
		-o -name '*.o'  -o -name '*.a'  \) -print \
		| xargs rm -f
	rm -f examples/hello_world examples/timer \
	      examples/eepro100_eeprom examples/sched \
	      examples/mem_to_mem_idma2intr examples/82559_eeprom
	rm -f tools/img2srec tools/mkimage tools/envcrc tools/gen_eth_addr
	rm -f tools/easylogo/easylogo tools/bmp_logo
	rm -f tools/gdb/astest tools/gdb/gdbcont tools/gdb/gdbsend
	rm -f tools/env/fw_printenv tools/env/fw_setenv

clobber:	clean
	find . -type f \
		\( -name .depend -o -name '*.srec' -o -name '*.bin' \) \
		-print \
		| xargs rm -f
	rm -f $(OBJS) *.bak tags TAGS
	rm -fr *.*~
	rm -f wiz-u-boot wiz-u-boot.map $(ALL)
	rm -f tools/crc32.c tools/environment.c tools/env/crc32.c
	rm -f tools/inca-swap-bytes
	rm -f include/asm/proc include/asm/arch include/asm

mrproper \
distclean:	clobber unconfig

backup:
	F=`basename $(TOPDIR)` ; cd .. ; \
	gtar --force-local -zcvf `date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F

install:

#########################################################################
