mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-13 06:42:56 +00:00
cf959c7d66
This patch adds NAND booting support for the AMCC Bamboo eval board. Since the NAND-SPL boot image is limited to 4kbytes, this version only supports the onboard 64MBytes of DDR. The DIMM modules can't be supported, since the setup code for I2C DIMM autodetection and configuration is too big for this NAND bootloader. Signed-off-by: Stefan Roese <sr@denx.de>
100 lines
2.9 KiB
Makefile
100 lines
2.9 KiB
Makefile
#
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# (C) Copyright 2007
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# Stefan Roese, DENX Software Engineering, sr@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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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 init.o resetvec.o
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COBJS = nand_boot.o nand_ecc.o ndfc.o sdram.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) $$UNDEF_SYM $(__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)ndfc.c:
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@rm -f $(obj)ndfc.c
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ln -s $(SRCTREE)/cpu/ppc4xx/ndfc.c $(obj)ndfc.c
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$(obj)resetvec.S:
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@rm -f $(obj)resetvec.S
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ln -s $(SRCTREE)/cpu/ppc4xx/resetvec.S $(obj)resetvec.S
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$(obj)start.S:
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@rm -f $(obj)start.S
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ln -s $(SRCTREE)/cpu/ppc4xx/start.S $(obj)start.S
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# from board directory
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$(obj)init.S:
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@rm -f $(obj)init.S
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ln -s $(SRCTREE)/board/amcc/bamboo/init.S $(obj)init.S
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# from nand_spl directory
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$(obj)nand_boot.c:
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@rm -f $(obj)nand_boot.c
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ln -s $(SRCTREE)/nand_spl/nand_boot.c $(obj)nand_boot.c
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# from drivers/nand directory
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$(obj)nand_ecc.c:
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@rm -f $(obj)nand_ecc.c
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ln -s $(SRCTREE)/drivers/nand/nand_ecc.c $(obj)nand_ecc.c
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#########################################################################
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$(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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