kbuild: rename TOPDIR to stctree

Prior to Kbuild, $(TOPDIR) or $(SRCTREE) was used for
pointing to the top of source directory.
(No difference between the two.)

In Kbuild style, $(srctree) is used instead.
This commit renames TOPDIR to srctree and delete the
defition of TOPDIR.

Signed-off-by: Masahiro Yamada <[email protected]>

Makefile

@@ -169,8 +169,7 @@ OBJTREE		:= $(objtree)
 SPLTREE		:= $(OBJTREE)/spl
 TPLTREE		:= $(OBJTREE)/tpl
 SRCTREE		:= $(srctree)
-TOPDIR		:= $(SRCTREE)
-export	TOPDIR SRCTREE OBJTREE SPLTREE TPLTREE
+export	SRCTREE OBJTREE SPLTREE TPLTREE
 
 MKCONFIG	:= $(SRCTREE)/mkconfig
 export MKCONFIG
@@ -490,7 +489,7 @@ endif
 # standard location.
 
 ifndef LDSCRIPT
-	#LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds.debug
+	#LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot.lds.debug
 	ifdef CONFIG_SYS_LDSCRIPT
 		# need to strip off double quotes
 		LDSCRIPT := $(srctree)/$(CONFIG_SYS_LDSCRIPT:"%"=%)
@@ -500,19 +499,19 @@ endif
 # If there is no specified link script, we look in a number of places for it
 ifndef LDSCRIPT
 	ifeq ($(CONFIG_NAND_U_BOOT),y)
-		LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-nand.lds
+		LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot-nand.lds
 		ifeq ($(wildcard $(LDSCRIPT)),)
-			LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot-nand.lds
+			LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot-nand.lds
 		endif
 	endif
 	ifeq ($(wildcard $(LDSCRIPT)),)
-		LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds
+		LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot.lds
 	endif
 	ifeq ($(wildcard $(LDSCRIPT)),)
-		LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot.lds
+		LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot.lds
 	endif
 	ifeq ($(wildcard $(LDSCRIPT)),)
-		LDSCRIPT := $(TOPDIR)/arch/$(ARCH)/cpu/u-boot.lds
+		LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot.lds
 	endif
 endif
 
@@ -666,7 +665,7 @@ export PLATFORM_LIBS
 # Pass the version down so we can handle backwards compatibility
 # on the fly.
 LDPPFLAGS += \
-	-include $(TOPDIR)/include/u-boot/u-boot.lds.h \
+	-include $(srctree)/include/u-boot/u-boot.lds.h \
 	-DCPUDIR=$(CPUDIR) \
 	$(shell $(LD) --version | \
 	  sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
@@ -1240,7 +1239,7 @@ distclean: mrproper
 		-type f -print | xargs rm -f
 
 backup:
-	F=`basename $(TOPDIR)` ; cd .. ; \
+	F=`basename $(srctree)` ; cd .. ; \
 	gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F
 
 help:

arch/m68k/cpu/mcf52x2/config.mk

@@ -8,13 +8,13 @@
 #
 
 cfg=$(shell grep configs $(OBJTREE)/include/config.h | sed 's/.*<\(configs.*\)>/\1/')
-is5208:=$(shell grep CONFIG_M5208 $(TOPDIR)/include/$(cfg))
-is5249:=$(shell grep CONFIG_M5249 $(TOPDIR)/include/$(cfg))
-is5253:=$(shell grep CONFIG_M5253 $(TOPDIR)/include/$(cfg))
-is5271:=$(shell grep CONFIG_M5271 $(TOPDIR)/include/$(cfg))
-is5272:=$(shell grep CONFIG_M5272 $(TOPDIR)/include/$(cfg))
-is5275:=$(shell grep CONFIG_M5275 $(TOPDIR)/include/$(cfg))
-is5282:=$(shell grep CONFIG_M5282 $(TOPDIR)/include/$(cfg))
+is5208:=$(shell grep CONFIG_M5208 $(srctree)/include/$(cfg))
+is5249:=$(shell grep CONFIG_M5249 $(srctree)/include/$(cfg))
+is5253:=$(shell grep CONFIG_M5253 $(srctree)/include/$(cfg))
+is5271:=$(shell grep CONFIG_M5271 $(srctree)/include/$(cfg))
+is5272:=$(shell grep CONFIG_M5272 $(srctree)/include/$(cfg))
+is5275:=$(shell grep CONFIG_M5275 $(srctree)/include/$(cfg))
+is5282:=$(shell grep CONFIG_M5282 $(srctree)/include/$(cfg))
 
 ifneq (,$(findstring CONFIG_M5208,$(is5208)))
 PLATFORM_CPPFLAGS += -mcpu=5208

arch/m68k/cpu/mcf532x/config.mk

@@ -8,8 +8,8 @@
 #
 
 cfg=$(shell grep configs $(OBJTREE)/include/config.h | sed 's/.*<\(configs.*\)>/\1/')
-is5301x:=$(shell grep CONFIG_MCF5301x $(TOPDIR)/include/$(cfg))
-is532x:=$(shell grep CONFIG_MCF532x $(TOPDIR)/include/$(cfg))
+is5301x:=$(shell grep CONFIG_MCF5301x $(srctree)/include/$(cfg))
+is532x:=$(shell grep CONFIG_MCF532x $(srctree)/include/$(cfg))
 
 ifneq (,$(findstring CONFIG_MCF5301x,$(is5301x)))
 PLATFORM_CPPFLAGS += -mcpu=53015 -fPIC

arch/m68k/cpu/mcf5445x/config.mk

@@ -10,7 +10,7 @@
 #
 
 cfg=$(shell grep configs $(OBJTREE)/include/config.h | sed 's/.*<\(configs.*\)>/\1/')
-is5441x:=$(shell grep CONFIG_MCF5441x $(TOPDIR)/include/$(cfg))
+is5441x:=$(shell grep CONFIG_MCF5441x $(srctree)/include/$(cfg))
 
 ifneq (,$(findstring CONFIG_MCF5441x,$(is5441x)))
 PLATFORM_CPPFLAGS += -mcpu=54418 -fPIC

arch/powerpc/cpu/ppc4xx/config.mk

@@ -8,7 +8,7 @@
 PLATFORM_CPPFLAGS += -DCONFIG_4xx -mstring -msoft-float
 
 cfg=$(shell grep configs $(OBJTREE)/include/config.h | sed 's/.*<\(configs.*\)>/\1/')
-is440:=$(shell grep CONFIG_440 $(TOPDIR)/include/$(cfg))
+is440:=$(shell grep CONFIG_440 $(srctree)/include/$(cfg))
 
 ifneq (,$(findstring CONFIG_440,$(is440)))
 PLATFORM_CPPFLAGS += -Wa,-m440 -mcpu=440

board/hymod/config.mk

@@ -9,6 +9,6 @@
 # HYMOD boards
 #
 
-PLATFORM_CPPFLAGS += -I$(TOPDIR)
+PLATFORM_CPPFLAGS += -I$(srctree)
 
 OBJCOPYFLAGS = --remove-section=.ppcenv

board/korat/config.mk

@@ -23,5 +23,5 @@ PLATFORM_CPPFLAGS += -DCONFIG_SYS_INIT_DBCR=0x8CFF0000
 endif
 
 ifndef CONFIG_KORAT_PERMANENT
-LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-F7FC.lds
+LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot-F7FC.lds
 endif

config.mk

@@ -29,11 +29,11 @@ ifneq ($(SRCTREE)/$(CPUDIR),$(wildcard $(SRCTREE)/$(CPUDIR)))
 CPUDIR=arch/$(ARCH)/cpu
 endif
 
-sinclude $(TOPDIR)/arch/$(ARCH)/config.mk	# include architecture dependend rules
-sinclude $(TOPDIR)/$(CPUDIR)/config.mk		# include  CPU	specific rules
+sinclude $(srctree)/arch/$(ARCH)/config.mk	# include architecture dependend rules
+sinclude $(srctree)/$(CPUDIR)/config.mk		# include  CPU	specific rules
 
 ifdef	SOC
-sinclude $(TOPDIR)/$(CPUDIR)/$(SOC)/config.mk	# include  SoC	specific rules
+sinclude $(srctree)/$(CPUDIR)/$(SOC)/config.mk	# include  SoC	specific rules
 endif
 ifneq ($(BOARD),)
 ifdef	VENDOR
@@ -43,7 +43,7 @@ BOARDDIR = $(BOARD)
 endif
 endif
 ifdef	BOARD
-sinclude $(TOPDIR)/board/$(BOARDDIR)/config.mk	# include board specific rules
+sinclude $(srctree)/board/$(BOARDDIR)/config.mk	# include board specific rules
 endif
 
 #########################################################################

doc/README.SPL

@@ -13,7 +13,7 @@ can be reused. No code duplication or symlinking is necessary anymore.
 How it works
 ------------
 
-There is a new directory TOPDIR/spl which contains only a Makefile.
+There is a new directory $(srctree)/spl which contains only a Makefile.
 The object files are built separately for SPL and placed in this directory.
 The final binaries which are generated are u-boot-spl, u-boot-spl.bin and
 u-boot-spl.map.

doc/README.TPL

@@ -19,7 +19,7 @@ board can be reused. No code duplication or symlinking is necessary anymore.
 How it works
 ------------
 
-There has been a directory TOPDIR/spl which contains only a Makefile. The
+There has been a directory $(srctree)/spl which contains only a Makefile. The
 Makefile is shared by SPL and TPL.
 
 The object files are built separately for SPL/TPL and placed in the

doc/README.commands

@@ -28,7 +28,7 @@ these symbols when linking full U-Boot even though they are not
 referenced in the source code as such.
 
 If a new board is defined do not forget to define the command section
-by writing in u-boot.lds ($(TOPDIR)/board/boardname/u-boot.lds) these
+by writing in u-boot.lds ($(srctree)/board/boardname/u-boot.lds) these
 3 lines:
 
 	.u_boot_list : {

nand_spl/board/freescale/mpc8315erdb/Makefile

@@ -10,7 +10,7 @@ PAD_TO := 0xfff04000
 
 nandobj	:= $(OBJTREE)/nand_spl/
 
-LDSCRIPT= $(TOPDIR)/nand_spl/board/$(BOARDDIR)/u-boot.lds
+LDSCRIPT= $(srctree)/nand_spl/board/$(BOARDDIR)/u-boot.lds
 LDFLAGS := -T $(nandobj)u-boot.lds -Ttext $(CONFIG_SYS_TEXT_BASE_SPL) \
 	   $(LDFLAGS) $(LDFLAGS_FINAL)
 asflags-y += -DCONFIG_NAND_SPL

nand_spl/board/freescale/mpc8536ds/Makefile

@@ -12,7 +12,7 @@ PAD_TO := 0xfff01000
 
 nandobj	:= $(OBJTREE)/nand_spl/
 
-LDSCRIPT= $(TOPDIR)/$(CPUDIR)/u-boot-nand_spl.lds
+LDSCRIPT= $(srctree)/$(CPUDIR)/u-boot-nand_spl.lds
 LDFLAGS := -T $(nandobj)u-boot-nand_spl.lds -Ttext $(CONFIG_SYS_TEXT_BASE_SPL) \
 		$(LDFLAGS) $(LDFLAGS_FINAL)
 asflags-y += -DCONFIG_NAND_SPL

nand_spl/board/freescale/mpc8569mds/Makefile

@@ -12,7 +12,7 @@ PAD_TO := 0xfff01000
 
 nandobj	:= $(OBJTREE)/nand_spl/
 
-LDSCRIPT= $(TOPDIR)/$(CPUDIR)/u-boot-nand_spl.lds
+LDSCRIPT= $(srctree)/$(CPUDIR)/u-boot-nand_spl.lds
 LDFLAGS := -T $(nandobj)u-boot-nand_spl.lds -Ttext $(CONFIG_SYS_TEXT_BASE_SPL) \
 		$(LDFLAGS) $(LDFLAGS_FINAL)
 asflags-y += -DCONFIG_NAND_SPL

nand_spl/board/freescale/mpc8572ds/Makefile

@@ -12,7 +12,7 @@ PAD_TO := 0xfff01000
 
 nandobj	:= $(OBJTREE)/nand_spl/
 
-LDSCRIPT= $(TOPDIR)/$(CPUDIR)/u-boot-nand_spl.lds
+LDSCRIPT= $(srctree)/$(CPUDIR)/u-boot-nand_spl.lds
 LDFLAGS := -T $(nandobj)u-boot-nand_spl.lds -Ttext $(CONFIG_SYS_TEXT_BASE_SPL) \
 		$(LDFLAGS) $(LDFLAGS_FINAL)
 asflags-y += -DCONFIG_NAND_SPL

nand_spl/board/freescale/p1023rds/Makefile

@@ -8,7 +8,7 @@ PAD_TO := 0xfff01000
 
 nandobj	:= $(OBJTREE)/nand_spl/
 
-LDSCRIPT= $(TOPDIR)/$(CPUDIR)/u-boot-nand_spl.lds
+LDSCRIPT= $(srctree)/$(CPUDIR)/u-boot-nand_spl.lds
 LDFLAGS := -T $(nandobj)u-boot-nand_spl.lds -Ttext $(CONFIG_SYS_TEXT_BASE_SPL) \
 		$(LDFLAGS) $(LDFLAGS_FINAL)
 asflags-y += -DCONFIG_NAND_SPL

nand_spl/board/freescale/p1_p2_rdb/Makefile

@@ -12,7 +12,7 @@ PAD_TO := 0xfff01000
 
 nandobj	:= $(OBJTREE)/nand_spl/
 
-LDSCRIPT= $(TOPDIR)/$(CPUDIR)/u-boot-nand_spl.lds
+LDSCRIPT= $(srctree)/$(CPUDIR)/u-boot-nand_spl.lds
 LDFLAGS := -T $(nandobj)u-boot-nand_spl.lds -Ttext $(CONFIG_SYS_TEXT_BASE_SPL) \
 		$(LDFLAGS) $(LDFLAGS_FINAL)
 asflags-y += -DCONFIG_NAND_SPL

nand_spl/board/sheldon/simpc8313/Makefile

@@ -11,7 +11,7 @@ include $(srctree)/$(src)/config.mk
 
 nandobj	:= $(OBJTREE)/nand_spl/
 
-LDSCRIPT= $(TOPDIR)/nand_spl/board/$(BOARDDIR)/u-boot.lds
+LDSCRIPT= $(srctree)/nand_spl/board/$(BOARDDIR)/u-boot.lds
 LDFLAGS := -T $(nandobj)u-boot.lds -Ttext $(CONFIG_SYS_TEXT_BASE_SPL) \
 	   $(LDFLAGS) $(LDFLAGS_FINAL)
 asflags-y += -DCONFIG_NAND_SPL

spl/Makefile

@@ -44,7 +44,7 @@ else
   -include include/spl-autoconf.mk
 endif
 
-include $(TOPDIR)/config.mk
+include $(srctree)/config.mk
 
 # Enable garbage collection of un-used sections for SPL
 KBUILD_CFLAGS += -ffunction-sections -fdata-sections
@@ -149,13 +149,13 @@ LDSCRIPT := $(addprefix $(SRCTREE)/,$(CONFIG_SPL_LDSCRIPT:"%"=%))
 endif
 
 ifeq ($(wildcard $(LDSCRIPT)),)
-	LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-spl.lds
+	LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot-spl.lds
 endif
 ifeq ($(wildcard $(LDSCRIPT)),)
-	LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot-spl.lds
+	LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot-spl.lds
 endif
 ifeq ($(wildcard $(LDSCRIPT)),)
-	LDSCRIPT := $(TOPDIR)/arch/$(ARCH)/cpu/u-boot-spl.lds
+	LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot-spl.lds
 endif
 ifeq ($(wildcard $(LDSCRIPT)),)
 $(error could not find linker script)
@@ -165,7 +165,7 @@ endif
 # Pass the version down so we can handle backwards compatibility
 # on the fly.
 LDPPFLAGS += \
-	-include $(TOPDIR)/include/u-boot/u-boot.lds.h \
+	-include $(srctree)/include/u-boot/u-boot.lds.h \
 	-include $(OBJTREE)/include/config.h \
 	-DCPUDIR=$(CPUDIR) \
 	$(shell $(LD) --version | \