MX31: Add NAND SPL boot support to i.MX31 PDK board.

Signed-off-by: Magnus Lilja <lilja.magnus@gmail.com>
diff --git a/nand_spl/board/freescale/mx31pdk/Makefile b/nand_spl/board/freescale/mx31pdk/Makefile
new file mode 100644
index 0000000..a9572ba
--- /dev/null
+++ b/nand_spl/board/freescale/mx31pdk/Makefile
@@ -0,0 +1,54 @@
+CONFIG_NAND_SPL	= y
+
+include $(TOPDIR)/config.mk
+include $(TOPDIR)/nand_spl/board/$(BOARDDIR)/config.mk
+
+LDSCRIPT= $(TOPDIR)/nand_spl/board/$(BOARDDIR)/u-boot.lds
+LDFLAGS	= -Bstatic -T $(LDSCRIPT) -Ttext $(TEXT_BASE) $(PLATFORM_LDFLAGS)
+AFLAGS	+= -DCONFIG_PRELOADER -DCONFIG_NAND_SPL
+CFLAGS	+= -DCONFIG_PRELOADER -DCONFIG_NAND_SPL
+
+SOBJS	= start.o lowlevel_init.o
+COBJS	= nand_boot_fsl_nfc.o
+
+SRCS	:= $(SRCTREE)/nand_spl/nand_boot_fsl_nfc.c
+SRCS	+= $(SRCTREE)/cpu/arm1136/start.S
+SRCS	+= $(SRCTREE)/board/freescale/mx31pdk/lowlevel_init.S
+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 $@
+
+#########################################################################
+
+$(obj)%.o:	$(SRCTREE)/cpu/arm1136/%.S
+	$(CC) $(AFLAGS) -c -o $@ $<
+
+$(obj)%.o:	$(SRCTREE)/board/freescale/mx31pdk/%.S
+	$(CC) $(AFLAGS) -c -o $@ $<
+
+$(obj)%.o:	$(SRCTREE)/nand_spl/%.c
+	$(CC) $(CFLAGS) -c -o $@ $<
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################