mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-13 14:53:06 +00:00
03b7004dda
The CPUDIR variable points to the location of a target's CPU directory. Currently, it is set to cpu/$CPU. However, using $CPUDIR will allow for more flexibility in the future. It lays the groundwork for reorganizing U-Boot's directory structure to support a layout such as: arch/$ARCH/cpu/$CPU/* (architecture with multiple CPU types) arch/$ARCH/cpu/* (architecture with one CPU type) Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
87 lines
2.4 KiB
Makefile
87 lines
2.4 KiB
Makefile
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include $(TOPDIR)/config.mk
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include $(TOPDIR)/onenand_ipl/board/$(BOARDDIR)/config.mk
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LDSCRIPT= $(TOPDIR)/onenand_ipl/board/$(BOARDDIR)/u-boot.onenand.lds
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LDFLAGS = -Bstatic -T $(onenandobj)u-boot.lds -Ttext $(TEXT_BASE) $(PLATFORM_LDFLAGS)
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AFLAGS += -DCONFIG_PRELOADER -DCONFIG_ONENAND_IPL
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CFLAGS += -DCONFIG_PRELOADER -DCONFIG_ONENAND_IPL
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OBJCFLAGS += --gap-fill=0x00
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SOBJS := low_levelinit.o
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SOBJS += start.o
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COBJS := apollon.o
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COBJS += onenand_read.o
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COBJS += onenand_boot.o
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SRCS := $(addprefix $(obj),$(SOBJS:.o=.S) $(COBJS:.o=.c))
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OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
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__OBJS := $(SOBJS) $(COBJS)
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LNDIR := $(OBJTREE)/onenand_ipl/board/$(BOARDDIR)
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onenandobj := $(OBJTREE)/onenand_ipl/
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ALL = $(onenandobj)onenand-ipl $(onenandobj)onenand-ipl.bin $(onenandobj)onenand-ipl-2k.bin $(onenandobj)onenand-ipl-4k.bin
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all: $(obj).depend $(ALL)
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$(onenandobj)onenand-ipl-2k.bin: $(onenandobj)onenand-ipl
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$(OBJCOPY) ${OBJCFLAGS} --pad-to=0x800 -O binary $< $@
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$(onenandobj)onenand-ipl-4k.bin: $(onenandobj)onenand-ipl
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$(OBJCOPY) ${OBJCFLAGS} --pad-to=0x1000 -O binary $< $@
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$(onenandobj)onenand-ipl.bin: $(onenandobj)onenand-ipl
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$(OBJCOPY) ${OBJCFLAGS} -O binary $< $@
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$(onenandobj)onenand-ipl: $(OBJS) $(onenandobj)u-boot.lds
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cd $(LNDIR) && $(LD) $(LDFLAGS) $$UNDEF_SYM $(__OBJS) \
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-Map $@.map -o $@
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$(onenandobj)u-boot.lds: $(LDSCRIPT)
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$(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$^ >$@
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# create symbolic links from common files
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# from cpu directory
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$(obj)start.S:
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@rm -f $@
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ln -s $(SRCTREE)/$(CPUDIR)/start.S $@
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# from onenand_ipl directory
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$(obj)onenand_ipl.h:
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@rm -f $@
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ln -s $(SRCTREE)/onenand_ipl/onenand_ipl.h $@
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$(obj)onenand_boot.c: $(obj)onenand_ipl.h
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@rm -f $@
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ln -s $(SRCTREE)/onenand_ipl/onenand_boot.c $@
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$(obj)onenand_read.c: $(obj)onenand_ipl.h
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@rm -f $@
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ln -s $(SRCTREE)/onenand_ipl/onenand_read.c $@
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ifneq ($(OBJTREE), $(SRCTREE))
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$(obj)apollon.c:
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@rm -f $@
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ln -s $(SRCTREE)/onenand_ipl/board/$(BOARDDIR)/apollon.c $@
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$(obj)low_levelinit.S:
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@rm -f $@
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ln -s $(SRCTREE)/onenand_ipl/board/$(BOARDDIR)/low_levelinit.S $@
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endif
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#########################################################################
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$(obj)%.o: $(obj)%.S
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$(CC) $(AFLAGS) -c -o $@ $<
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$(obj)%.o: $(obj)$.c
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$(CC) $(CFLAGS) -c -o $@ $<
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# defines $(obj).depend target
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include $(SRCTREE)/rules.mk
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sinclude $(obj).depend
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#########################################################################
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