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https://github.com/brain-hackers/u-boot-brain
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11edcfe260
SMDK6400 can only boot U-Boot from NAND-flash. This patch adds a nand_spl driver for it too. The board can also boot from the NOR flash, but due to hardware limitations it can only address 64KiB on it, which is not enough for U-Boot. Based on the original sources by Samsung for U-Boot 1.1.6. Signed-off-by: Guennadi Liakhovetski <lg@denx.de>
107 lines
2.9 KiB
Makefile
107 lines
2.9 KiB
Makefile
#
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# (C) Copyright 2006-2007
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# Stefan Roese, DENX Software Engineering, sr@denx.de.
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#
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# (C) Copyright 2008
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# Guennadi Liakhovetki, DENX Software Engineering, <lg@denx.de>
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#
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# See file CREDITS for list of people who contributed to this
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# project.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation; either version 2 of
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# the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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# MA 02111-1307 USA
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#
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CONFIG_NAND_SPL = y
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include $(TOPDIR)/config.mk
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include $(TOPDIR)/nand_spl/board/$(BOARDDIR)/config.mk
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LDSCRIPT= $(TOPDIR)/nand_spl/board/$(BOARDDIR)/u-boot.lds
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LDFLAGS = -Bstatic -T $(LDSCRIPT) -Ttext $(TEXT_BASE) $(PLATFORM_LDFLAGS)
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AFLAGS += -DCONFIG_NAND_SPL
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CFLAGS += -DCONFIG_NAND_SPL
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SOBJS = start.o cpu_init.o lowlevel_init.o
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COBJS = nand_boot.o nand_ecc.o s3c64xx.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 := $(OBJTREE)/nand_spl/board/$(BOARDDIR)
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nandobj := $(OBJTREE)/nand_spl/
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ALL = $(nandobj)u-boot-spl $(nandobj)u-boot-spl.bin $(nandobj)u-boot-spl-16k.bin
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all: $(obj).depend $(ALL)
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$(nandobj)u-boot-spl-16k.bin: $(nandobj)u-boot-spl
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$(OBJCOPY) ${OBJCFLAGS} --pad-to=$(PAD_TO) -O binary $< $@
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$(nandobj)u-boot-spl.bin: $(nandobj)u-boot-spl
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$(OBJCOPY) ${OBJCFLAGS} -O binary $< $@
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$(nandobj)u-boot-spl: $(OBJS)
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cd $(LNDIR) && $(LD) $(LDFLAGS) $(__OBJS) \
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-Map $(nandobj)u-boot-spl.map \
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-o $(nandobj)u-boot-spl
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# create symbolic links for common files
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# from cpu directory
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$(obj)start.S:
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@rm -f $@
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@ln -s $(TOPDIR)/cpu/arm1176/start.S $@
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# from SoC directory
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$(obj)cpu_init.S:
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@rm -f $@
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@ln -s $(TOPDIR)/cpu/arm1176/s3c64xx/cpu_init.S $@
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# from board directory
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$(obj)lowlevel_init.S:
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@rm -f $@
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@ln -s $(TOPDIR)/board/samsung/smdk6400/lowlevel_init.S $@
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# from nand_spl directory
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$(obj)nand_boot.c:
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@rm -f $@
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@ln -s $(TOPDIR)/nand_spl/nand_boot.c $@
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# from drivers/mtd/nand directory
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$(obj)nand_ecc.c:
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@rm -f $@
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@ln -s $(TOPDIR)/drivers/mtd/nand/nand_ecc.c $@
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$(obj)s3c64xx.c:
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@rm -f $@
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@ln -s $(TOPDIR)/drivers/mtd/nand/s3c64xx.c $@
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#########################################################################
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$(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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