board: samsung: refactor host programs

Some Samsung boards have their own tools under board/samsung/<board>/tools/.
This commit refactor more makefiles with "hostprogs-y".

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>

Makefile

@@ -809,6 +809,7 @@ clean:
 	       $(obj)tools/proftool
 	@rm -f $(obj)board/cray/L1/{bootscript.c,bootscript.image}	  \
 	       $(obj)board/matrix_vision/*/bootscript.img		  \
+	       $(obj)spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl	  \
 	       $(obj)u-boot.lds						  \
 	       $(obj)arch/blackfin/cpu/init.{lds,elf}
 	@rm -f $(obj)include/bmp_logo.h

board/samsung/origen/Makefile

@@ -4,16 +4,16 @@
 # SPDX-License-Identifier:	GPL-2.0+
 #
 
-ifndef CONFIG_SPL_BUILD
-obj-y	+= origen.o
-endif
-
 ifdef CONFIG_SPL_BUILD
-all: $(OBJTREE)/tools/mk$(BOARD)spl
-endif
+hostprogs-y := tools/mkorigenspl
+always := $(hostprogs-y)
 
-# Fix ME after we implement hostprogs-y.
-ifdef CONFIG_SPL_BUILD
-$(OBJTREE)/tools/mk$(BOARD)spl:	tools/mkv310_image.c
-	$(HOSTCC) tools/mkv310_image.c -o $(OBJTREE)/tools/mk$(BOARD)spl
+# omit -O2 option to suppress
+#   warning: dereferencing type-punned pointer will break strict-aliasing rules
+#
+# TODO:
+# Fix the root cause in tools/mkorigenspl.c and delete the following work-around
+$(obj)tools/mkorigenspl: HOSTCFLAGS:=$(filter-out -O2,$(HOSTCFLAGS))
+else
+obj-y	+= origen.o
 endif

board/samsung/smdkv310/Makefile

@@ -4,16 +4,9 @@
 # SPDX-License-Identifier:	GPL-2.0+
 #
 
-ifndef CONFIG_SPL_BUILD
-obj-y	+= smdkv310.o
-endif
-
 ifdef CONFIG_SPL_BUILD
-all: $(OBJTREE)/tools/mk$(BOARD)spl
-endif
-
-# Fix ME after we implement hostprogs-y.
-ifdef CONFIG_SPL_BUILD
-$(OBJTREE)/tools/mk$(BOARD)spl:	tools/mkv310_image.c
-	$(HOSTCC) tools/mkv310_image.c -o $(OBJTREE)/tools/mk$(BOARD)spl
+hostprogs-y := tools/mksmdkv310spl
+always := $(hostprogs-y)
+else
+obj-y	+= smdkv310.o
 endif

spl/Makefile

@@ -165,8 +165,8 @@ else
 VAR_SIZE_PARAM =
 endif
 $(obj)$(BOARD)-spl.bin: $(obj)u-boot-spl.bin
-	$(if $(wildcard $(OBJTREE)/tools/mk$(BOARD)spl),\
-	$(OBJTREE)/tools/mk$(BOARD)spl,\
+	$(if $(wildcard $(OBJTREE)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl),\
+	$(OBJTREE)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl,\
 	$(OBJTREE)/tools/mkexynosspl) $(VAR_SIZE_PARAM) $< $@
 endif