Makefile 3.47 KB
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#
# (C) Copyright 2007
# Stefan Roese, DENX Software Engineering, sr@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
#

include $(TOPDIR)/config.mk
include $(TOPDIR)/nand_spl/board/$(BOARDDIR)/config.mk

LDSCRIPT= $(TOPDIR)/nand_spl/board/$(BOARDDIR)/u-boot.lds
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LDFLAGS	= -Bstatic -T $(nandobj)u-boot.lds -Ttext $(TEXT_BASE) $(PLATFORM_LDFLAGS)
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AFLAGS	+= -DCONFIG_NAND_SPL
CFLAGS	+= -DCONFIG_NAND_SPL

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SOBJS	= start.o resetvec.o cache.o
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COBJS	= gpio.o nand_boot.o nand_ecc.o memory.o ndfc.o pll.o
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SRCS	:= $(addprefix $(obj),$(SOBJS:.o=.S) $(COBJS:.o=.c))
OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS))
__OBJS	:= $(SOBJS) $(COBJS)
LNDIR	:= $(OBJTREE)/nand_spl/board/$(BOARDDIR)

nandobj	:= $(OBJTREE)/nand_spl/

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ALL	= $(nandobj)u-boot-spl $(nandobj)u-boot-spl.bin $(nandobj)u-boot-spl-16k.bin \
	$(nandobj)System.map
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all:	$(obj).depend $(ALL)

$(nandobj)u-boot-spl-16k.bin: $(nandobj)u-boot-spl
	$(OBJCOPY) ${OBJCFLAGS} --pad-to=$(PAD_TO) -O binary $< $@

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

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$(nandobj)u-boot-spl:	$(OBJS) $(nandobj)u-boot.lds
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	cd $(LNDIR) && $(LD) $(LDFLAGS) $(__OBJS) \
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		-Map $(nandobj)u-boot-spl.map \
		-o $(nandobj)u-boot-spl

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

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$(nandobj)u-boot.lds: $(LDSCRIPT)
	$(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$^ >$@

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# create symbolic links for common files

# from cpu directory
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$(obj)cache.S:
	@rm -f $(obj)cache.S
	ln -s $(SRCTREE)/cpu/ppc4xx/cache.S $(obj)cache.S

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$(obj)gpio.c:
	@rm -f $(obj)gpio.c
	ln -s $(SRCTREE)/cpu/ppc4xx/gpio.c $(obj)gpio.c

$(obj)ndfc.c:
	@rm -f $(obj)ndfc.c
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	ln -s $(SRCTREE)/drivers/mtd/nand/ndfc.c $(obj)ndfc.c
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$(obj)resetvec.S:
	@rm -f $(obj)resetvec.S
	ln -s $(SRCTREE)/cpu/ppc4xx/resetvec.S $(obj)resetvec.S

$(obj)start.S:
	@rm -f $(obj)start.S
	ln -s $(SRCTREE)/cpu/ppc4xx/start.S $(obj)start.S

# from board directory
$(obj)memory.c:
	@rm -f $(obj)memory.c
	ln -s $(SRCTREE)/board/amcc/acadia/memory.c $(obj)memory.c

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$(obj)pll.c:
	@rm -f $(obj)pll.c
	ln -s $(SRCTREE)/board/amcc/acadia/pll.c $(obj)pll.c

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# from nand_spl directory
$(obj)nand_boot.c:
	@rm -f $(obj)nand_boot.c
	ln -s $(SRCTREE)/nand_spl/nand_boot.c $(obj)nand_boot.c

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# from drivers/mtd/nand directory
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$(obj)nand_ecc.c:
	@rm -f $(obj)nand_ecc.c
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	ln -s $(SRCTREE)/drivers/mtd/nand/nand_ecc.c $(obj)nand_ecc.c
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#########################################################################

$(obj)%.o:	$(obj)%.S
	$(CC) $(AFLAGS) -c -o $@ $<

$(obj)%.o:	$(obj)%.c
	$(CC) $(CFLAGS) -c -o $@ $<

# defines $(obj).depend target
include $(SRCTREE)/rules.mk

sinclude $(obj).depend

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