ARMV7: MMC SPL Boot support for SMDKV310 board

Added MMC SPL boot support for SMDKV310. This framework design is
based on nand_spl support.

Signed-off-by: Chander Kashyap <chander.kashyap@linaro.org>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>

1 files changed, 105 insertions, 0 deletions

diff --git a/mmc_spl/board/samsung/smdkv310/Makefile b/mmc_spl/board/samsung/smdkv310/Makefile
new file mode 100644
index 0000000..f1ce066
--- /dev/null
+++ b/mmc_spl/board/samsung/smdkv310/Makefile
@@ -0,0 +1,105 @@
+#
+# (C) Copyright 2006-2007
+# Stefan Roese, DENX Software Engineering, sr@denx.de.
+#
+# (C) Copyright 2008
+# Guennadi Liakhovetki, DENX Software Engineering, <lg@denx.de>
+#
+# (C) Copyright 2011
+# Chander Kashyap, Samsung Electronics, <k.chander@samsung.com>
+#
+# 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
+#
+
+CONFIG_MMC_SPL	= y
+
+include $(TOPDIR)/config.mk
+
+LDSCRIPT= $(TOPDIR)/mmc_spl/board/$(BOARDDIR)/u-boot.lds
+LDFLAGS	= -Bstatic -T $(mmcobj)u-boot.lds -Ttext $(CONFIG_SYS_TEXT_BASE) $(PLATFORM_LDFLAGS)
+AFLAGS	+= -DCONFIG_MMC_SPL
+CFLAGS	+= -DCONFIG_MMC_SPL
+CFLAGS	+= -DCONFIG_PRELOADER
+
+SOBJS	= start.o mem_setup.o lowlevel_init.o
+COBJS	= mmc_boot.o
+
+SRCS	:= $(addprefix $(obj),$(SOBJS:.o=.S) $(COBJS:.o=.c))
+OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS))
+__OBJS	:= $(SOBJS) $(COBJS)
+LNDIR	:= $(OBJTREE)/mmc_spl/board/$(BOARDDIR)
+
+mmcobj	:= $(OBJTREE)/mmc_spl/
+
+
+MKV310_MMC_SPL_EXEC = mkv310_mmc_spl_exec
+MMC_SPL_BIN = u-boot-mmc-spl.bin
+
+ALL = $(mmcobj)u-boot-spl $(mmcobj)u-boot-spl.bin $(mmcobj)$(MMC_SPL_BIN)
+
+all:    $(obj).depend $(ALL)
+
+$(mmcobj)$(MMC_SPL_BIN):  $(mmcobj)u-boot-spl.bin tools/$(MKV310_MMC_SPL_EXEC)
+	./tools/$(MKV310_MMC_SPL_EXEC) $(mmcobj)u-boot-spl.bin $(mmcobj)$(MMC_SPL_BIN)
+	rm -f tools/$(MKV310_MMC_SPL_EXEC)
+
+tools/$(MKV310_MMC_SPL_EXEC): tools/mkv310_image.c
+	$(HOSTCC) tools/mkv310_image.c -o tools/$(MKV310_MMC_SPL_EXEC)
+
+$(mmcobj)u-boot-spl.bin:	$(mmcobj)u-boot-spl
+	$(OBJCOPY) ${OBJCFLAGS} -O binary $< $@
+
+$(mmcobj)u-boot-spl:	$(OBJS) $(mmcobj)u-boot.lds
+	cd $(LNDIR) && $(LD) $(LDFLAGS) $(__OBJS) \
+		-Map $(mmcobj)u-boot-spl.map \
+		-o $(mmcobj)u-boot-spl
+
+$(mmcobj)u-boot.lds: $(LDSCRIPT)
+	$(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$^ >$@
+
+# create symbolic links for common files
+
+# from cpu directory
+$(obj)start.S:
+	@rm -f $@
+	@ln -s $(TOPDIR)/arch/arm/cpu/armv7/start.S $@
+
+# from board directory
+$(obj)mem_setup.S:
+	@rm -f $@
+	@ln -s $(TOPDIR)/board/samsung/smdkv310/mem_setup.S $@
+
+$(obj)lowlevel_init.S:
+	@rm -f $@
+	@ln -s $(TOPDIR)/board/samsung/smdkv310/lowlevel_init.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
+
+#########################################################################