New board support: nand_spl specific files

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+#
+# (C) Copyright 2007
+# Stefan Roese, DENX Software Engineering, sr at denx.de.
+# (C) Copyright Sheldon Instruments, Inc. 2008
+#
+# 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
+#
+
+NAND_SPL := y
+TEXT_BASE := 0xfff00000
+
+include $(TOPDIR)/config.mk
+
+LDSCRIPT= $(TOPDIR)/nand_spl/board/$(BOARDDIR)/u-boot.lds
+LDFLAGS    = -Bstatic -T $(LDSCRIPT) -Ttext $(TEXT_BASE) $(PLATFORM_LDFLAGS)
+AFLAGS    += -DCONFIG_NAND_SPL
+CFLAGS    += -DCONFIG_NAND_SPL
+
+SOBJS    = start.o ticks.o
+COBJS    = nand_boot_fsl_elbc.o $(BOARD).o sdram.o ns16550.o nand_init.o time.o
+
+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/
+
+ALL    = $(nandobj)u-boot-spl $(nandobj)u-boot-spl.bin $(nandobj)u-boot-spl-16k.bin
+
+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 $< $@
+
+$(nandobj)u-boot-spl:    $(OBJS)
+    cd $(LNDIR) && $(LD) $(LDFLAGS) $(__OBJS) \
+        -Map $(nandobj)u-boot-spl.map \
+        -o $(nandobj)u-boot-spl
+
+# create symbolic links for common files
+
+$(obj)start.S:
+    ln -sf $(SRCTREE)/cpu/mpc83xx/start.S $(obj)start.S
+
+$(obj)nand_boot_fsl_elbc.c:
+    ln -sf $(SRCTREE)/nand_spl/nand_boot_fsl_elbc.c \
+           $(obj)nand_boot_fsl_elbc.c
+
+$(obj)sdram.c:
+    ln -sf $(SRCTREE)/board/$(BOARDDIR)/sdram.c $(obj)sdram.c
+
+$(obj)$(BOARD).c:
+    ln -sf $(SRCTREE)/board/$(BOARDDIR)/$(BOARD).c $(obj)$(BOARD).c
+
+$(obj)ns16550.c:
+    ln -sf $(SRCTREE)/drivers/serial/ns16550.c $(obj)ns16550.c
+
+$(obj)nand_init.c:
+    ln -sf $(SRCTREE)/cpu/mpc83xx/nand_init.c $(obj)nand_init.c
+
+$(obj)time.c:
+    ln -sf $(SRCTREE)/lib_ppc/time.c $(obj)time.c
+
+$(obj)ticks.S:
+    ln -sf $(SRCTREE)/lib_ppc/ticks.S $(obj)ticks.S
+
+#########################################################################
+
+$(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
+
+#########################################################################

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