From 751b9b5189f3274b03c809172631316d6b002c82 Mon Sep 17 00:00:00 2001
From: Kyungmin Park <kmpark@infradead.org>
Date: Thu, 17 Jan 2008 16:43:25 +0900
Subject: OneNAND Initial Program Loader (IPL) support

This patch enables the OneNAND boot within U-Boot.
Before this work, we used another OneNAND IPL called X-Loader based
on open source. With this work, we can build the oneboot.bin image
without other program.

The build sequence is simple.
First, it compiles the u-boot.bin
Second, it compiles OneNAND IPL
Finally, it becomes the oneboot.bin from OneNAND IPL and u-boot.bin
The mechanism is similar with NAND boot except it boots from itself.

Another thing is that you can only use the OneNAND IPL only to work
other bootloader such as RedBoot and so on.

Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
---
 Makefile | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

(limited to 'Makefile')

diff --git a/Makefile b/Makefile
index 3b339ad..9225a2d 100644
--- a/Makefile
+++ b/Makefile
@@ -274,13 +274,18 @@ NAND_SPL = nand_spl
 U_BOOT_NAND = $(obj)u-boot-nand.bin
 endif
 
+ifeq ($(CONFIG_ONENAND_U_BOOT),y)
+ONENAND_IPL = onenand_ipl
+U_BOOT_ONENAND = $(obj)u-boot-onenand.bin
+endif
+
 __OBJS := $(subst $(obj),,$(OBJS))
 __LIBS := $(subst $(obj),,$(LIBS))
 
 #########################################################################
 #########################################################################
 
-ALL += $(obj)u-boot.srec $(obj)u-boot.bin $(obj)System.map $(U_BOOT_NAND)
+ALL += $(obj)u-boot.srec $(obj)u-boot.bin $(obj)System.map $(U_BOOT_NAND) $(U_BOOT_ONENAND)
 
 all:		$(ALL)
 
@@ -327,6 +332,12 @@ $(NAND_SPL):	$(VERSION_FILE)	$(obj)include/autoconf.mk
 $(U_BOOT_NAND):	$(NAND_SPL) $(obj)u-boot.bin $(obj)include/autoconf.mk
 		cat $(obj)nand_spl/u-boot-spl-16k.bin $(obj)u-boot.bin > $(obj)u-boot-nand.bin
 
+$(ONENAND_IPL):	$(VERSION_FILE)	$(obj)include/autoconf.mk
+		$(MAKE) -C onenand_ipl/board/$(BOARDDIR) all
+
+$(U_BOOT_ONENAND):	$(ONENAND_IPL) $(obj)u-boot.bin $(obj)include/autoconf.mk
+		cat $(obj)onenand_ipl/onenand-ipl-2k.bin $(obj)u-boot.bin > $(obj)u-boot-onenand.bin
+
 $(VERSION_FILE):
 		@( echo -n "#define U_BOOT_VERSION \"U-Boot " ; \
 		echo -n "$(U_BOOT_VERSION)" ; \
@@ -2597,7 +2608,9 @@ omap2420h4_config	: unconfig
 	@$(MKCONFIG) $(@:_config=) arm arm1136 omap2420h4
 
 apollon_config		: unconfig
+	@echo "#define CONFIG_ONENAND_U_BOOT" > $(obj)include/config.h
 	@$(MKCONFIG) $(@:_config=) arm arm1136 apollon
+	@echo "CONFIG_ONENAND_U_BOOT = y" >> $(obj)include/config.mk
 
 #========================================================================
 # i386
@@ -2898,6 +2911,8 @@ clean:
 	@rm -f $(obj)board/bf537-stamp/u-boot.lds $(obj)board/bf561-ezkit/u-boot.lds
 	@rm -f $(obj)include/bmp_logo.h
 	@rm -f $(obj)nand_spl/u-boot-spl $(obj)nand_spl/u-boot-spl.map
+	@rm -f $(obj)onenand_ipl/onenand-ipl $(obj)onenand_ipl/onenand-ipl.bin \
+		$(obj)onenand_ipl/onenand-ipl-2k.bin $(obj)onenand_ipl/onenand-ipl.map
 	@rm -f $(obj)api_examples/demo $(VERSION_FILE)
 
 clobber:	clean
@@ -2912,6 +2927,7 @@ clobber:	clean
 	@rm -f $(obj)tools/inca-swap-bytes $(obj)cpu/mpc824x/bedbug_603e.c
 	@rm -f $(obj)include/asm/proc $(obj)include/asm/arch $(obj)include/asm
 	@[ ! -d $(obj)nand_spl ] || find $(obj)nand_spl -lname "*" -print | xargs rm -f
+	@[ ! -d $(obj)onenand_ipl ] || find $(obj)onenand_ipl -lname "*" -print | xargs rm -f
 	@[ ! -d $(obj)api_examples ] || find $(obj)api_examples -lname "*" -print | xargs rm -f
 
 ifeq ($(OBJTREE),$(SRCTREE))
-- 
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