Merge branch 'master' of git://git.denx.de/u-boot-arm

Conflicts:
	boards.cfg

Signed-off-by: Stefano Babic <[email protected]>

.gitignore

@@ -34,6 +34,7 @@
 /SPL
 /System.map
 /u-boot*
+/boards.cfg
 
 #
 # git files that we don't want to ignore even it they are dot-files
@@ -53,8 +54,6 @@
 #
 /include/config/
 /include/generated/
-/include/spl-autoconf.mk
-/include/tpl-autoconf.mk
 
 # stgit generated dirs
 patches-*

Kconfig

@@ -0,0 +1,65 @@
+#
+# For a description of the syntax of this configuration file,
+# see Documentation/kbuild/kconfig-language.txt.
+#
+mainmenu "U-Boot $UBOOTVERSION Configuration"
+
+config UBOOTVERSION
+	string
+	option env="UBOOTVERSION"
+
+config KCONFIG_OBJDIR
+	string
+	option env="KCONFIG_OBJDIR"
+
+config DEFCONFIG_LIST
+	string
+	depends on !SPL_BUILD
+	option defconfig_list
+	default "configs/sandbox_defconfig"
+
+menu "General setup"
+
+config SPL_BUILD
+	bool
+	depends on $KCONFIG_OBJDIR="spl" || $KCONFIG_OBJDIR="tpl"
+	default y
+
+config TPL_BUILD
+	bool
+	depends on $KCONFIG_OBJDIR="tpl"
+	default y
+
+config SPL
+	bool
+	prompt "Enable SPL" if !SPL_BUILD
+	default y if SPL_BUILD
+	help
+	  If you want to build SPL as well as the normal image, say Y.
+
+config TPL
+	bool
+	depends on SPL
+	prompt "Enable TPL" if !SPL_BUILD
+	default y if TPL_BUILD
+	default n
+	help
+	  If you want to build TPL as well as the normal image and SPL, say Y.
+
+config SYS_EXTRA_OPTIONS
+	string "Extra Options (DEPRECATED)"
+	depends on !SPL_BUILD
+	help
+	  The old configuration infrastructure (= mkconfig + boards.cfg)
+	  provided the extra options field. It you have something like
+	  "HAS_BAR,BAZ=64", the optional options
+	    #define CONFIG_HAS
+	    #define CONFIG_BAZ	64
+	  will be defined in include/config.h.
+	  This option was prepared for the smooth migration from the old
+	  configuration to Kconfig. Since this option will be removed sometime,
+	  new boards should not use this option.
+
+endmenu		# General setup
+
+source "arch/Kconfig"

MAKEALL

@@ -162,9 +162,23 @@ while true ; do
 		echo "Internal error!" >&2 ; exit 1 ;;
 	esac
 done
+
+GNU_MAKE=$(scripts/show-gnu-make) || {
+	echo "GNU Make not found" >&2
+	exit 1
+}
+
 # echo "Remaining arguments:"
 # for arg do echo '--> '"\`$arg'" ; done
 
+if [ ! -r boards.cfg ]; then
+	echo "Could not find boards.cfg"
+	tools/genboardscfg.py || {
+		echo "Failed to generate boards.cfg" >&2
+		exit 1
+	}
+fi
+
 FILTER="\$1 !~ /^#/"
 [ "$opt_a" ] && FILTER="${FILTER} && $opt_a"
 [ "$opt_c" ] && FILTER="${FILTER} && $opt_c"
@@ -506,9 +520,9 @@ get_target_location() {
 
 	set ${line}
 
-	CONFIG_NAME="${7%_config}"
+	CONFIG_NAME="${7%_defconfig}"
 
-	[ "${BOARD_NAME}" ] || BOARD_NAME="${7%_config}"
+	[ "${BOARD_NAME}" ] || BOARD_NAME="${7%_defconfig}"
 
 	if [ $# -gt 5 ]; then
 		if [ "$6" = "-" ] ; then
@@ -633,19 +647,21 @@ build_target() {
 	target_arch=$(get_target_arch ${target})
 	eval cross_toolchain=\$CROSS_COMPILE_`echo $target_arch | tr '[:lower:]' '[:upper:]'`
 	if [ "${cross_toolchain}" ] ; then
-	    MAKE="make CROSS_COMPILE=${cross_toolchain}"
+	    MAKE="$GNU_MAKE CROSS_COMPILE=${cross_toolchain}"
 	elif [ "${CROSS_COMPILE}" ] ; then
-	    MAKE="make CROSS_COMPILE=${CROSS_COMPILE}"
+	    MAKE="$GNU_MAKE CROSS_COMPILE=${CROSS_COMPILE}"
 	else
-	    MAKE=make
+	    MAKE=$GNU_MAKE
 	fi
 
 	if [  "${output_dir}" != "." ] ; then
 		MAKE="${MAKE} O=${output_dir}"
 	fi
 
 	${MAKE} distclean >/dev/null
-	${MAKE} -s ${target}_config
+
+	echo "Building ${target} board..."
+	${MAKE} -s ${target}_defconfig >/dev/null
 
 	${MAKE} ${JOBS} ${CHECK} all \
 		>${LOG_DIR}/$target.MAKELOG 2> ${LOG_DIR}/$target.ERR

Makefile

@@ -6,9 +6,9 @@
 #
 
 VERSION = 2014
-PATCHLEVEL = 07
+PATCHLEVEL = 10
 SUBLEVEL =
-EXTRAVERSION =
+EXTRAVERSION = -rc1
 NAME =
 
 # *DOCUMENTATION*
@@ -166,9 +166,6 @@ VPATH		:= $(srctree)$(if $(KBUILD_EXTMOD),:$(KBUILD_EXTMOD))
 
 export srctree objtree VPATH
 
-MKCONFIG	:= $(srctree)/mkconfig
-export MKCONFIG
-
 # Make sure CDPATH settings don't interfere
 unexport CDPATH
 
@@ -189,16 +186,16 @@ HOSTOS := $(shell uname -s | tr '[:upper:]' '[:lower:]' | \
 
 export	HOSTARCH HOSTOS
 
-# Deal with colliding definitions from tcsh etc.
-VENDOR=
-
 #########################################################################
 
 # set default to nothing for native builds
 ifeq ($(HOSTARCH),$(ARCH))
 CROSS_COMPILE ?=
 endif
 
+KCONFIG_CONFIG	?= .config
+export KCONFIG_CONFIG
+
 # SHELL used by kbuild
 CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
 	  else if [ -x /bin/bash ]; then echo /bin/bash; \
@@ -341,6 +338,7 @@ OBJCOPY		= $(CROSS_COMPILE)objcopy
 OBJDUMP		= $(CROSS_COMPILE)objdump
 AWK		= awk
 PERL		= perl
+PYTHON		= python
 DTC		= dtc
 CHECK		= sparse
 
@@ -362,7 +360,7 @@ export VERSION PATCHLEVEL SUBLEVEL UBOOTRELEASE UBOOTVERSION
 export ARCH CPU BOARD VENDOR SOC CPUDIR BOARDDIR
 export CONFIG_SHELL HOSTCC HOSTCFLAGS HOSTLDFLAGS CROSS_COMPILE AS LD CC
 export CPP AR NM LDR STRIP OBJCOPY OBJDUMP
-export MAKE AWK PERL
+export MAKE AWK PERL PYTHON
 export HOSTCXX HOSTCXXFLAGS DTC CHECK CHECKFLAGS
 
 export KBUILD_CPPFLAGS NOSTDINC_FLAGS UBOOTINCLUDE OBJCOPYFLAGS LDFLAGS
@@ -460,31 +458,49 @@ ifeq ($(config-targets),1)
 # *config targets only - make sure prerequisites are updated, and descend
 # in scripts/kconfig to make the *config target
 
-# Read arch specific Makefile to set KBUILD_DEFCONFIG as needed.
-# KBUILD_DEFCONFIG may point out an alternative default configuration
-# used for 'make defconfig'
+KBUILD_DEFCONFIG := sandbox_defconfig
+export KBUILD_DEFCONFIG KBUILD_KCONFIG
 
-%_config:: outputmakefile
-	@$(MKCONFIG) -A $(@:_config=)
+config: scripts_basic outputmakefile FORCE
+	+$(Q)$(PYTHON) $(srctree)/scripts/multiconfig.py $@
+
+%config: scripts_basic outputmakefile FORCE
+	+$(Q)$(PYTHON) $(srctree)/scripts/multiconfig.py $@
 
 else
 # ===========================================================================
 # Build targets only - this includes vmlinux, arch specific targets, clean
 # targets and others. In general all targets except *config targets.
 
-# load ARCH, BOARD, and CPU configuration
--include include/config.mk
-
 ifeq ($(dot-config),1)
 # Read in config
+-include include/config/auto.conf
+
+# Read in dependencies to all Kconfig* files, make sure to run
+# oldconfig if changes are detected.
+-include include/config/auto.conf.cmd
+
+# To avoid any implicit rule to kick in, define an empty command
+$(KCONFIG_CONFIG) include/config/auto.conf.cmd: ;
+
+# If .config is newer than include/config/auto.conf, someone tinkered
+# with it and forgot to run make oldconfig.
+# if auto.conf.cmd is missing then we are probably in a cleaned tree so
+# we execute the config step to be sure to catch updated Kconfig files
+include/config/%.conf: $(KCONFIG_CONFIG) include/config/auto.conf.cmd
+	$(Q)$(MAKE) -f $(srctree)/Makefile silentoldconfig
+
 -include include/autoconf.mk
 -include include/autoconf.mk.dep
 
-# load other configuration
+# We want to include arch/$(ARCH)/config.mk only when include/config/auto.conf
+# is up-to-date. When we switch to a different board configuration, old CONFIG
+# macros are still remaining in include/config/auto.conf. Without the following
+# gimmick, wrong config.mk would be included leading nasty warnings/errors.
+autoconf_is_current := $(if $(wildcard $(KCONFIG_CONFIG)),$(shell find . \
+		-path ./include/config/auto.conf -newer $(KCONFIG_CONFIG)))
+ifneq ($(autoconf_is_current),)
 include $(srctree)/config.mk
-
-ifeq ($(wildcard include/config.mk),)
-$(error "System not configured - see README")
 endif
 
 # If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use
@@ -513,8 +529,8 @@ ifndef LDSCRIPT
 endif
 
 else
-
-
+# Dummy target needed, because used as prerequisite
+include/config/auto.conf: ;
 endif # $(dot-config)
 
 KBUILD_CFLAGS += -Os #-fomit-frame-pointer
@@ -563,7 +579,8 @@ KBUILD_CFLAGS += $(KCFLAGS)
 UBOOTINCLUDE    := \
 		-Iinclude \
 		$(if $(KBUILD_SRC), -I$(srctree)/include) \
-		-I$(srctree)/arch/$(ARCH)/include
+		-I$(srctree)/arch/$(ARCH)/include \
+		-include $(srctree)/include/linux/kconfig.h
 
 NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include)
 CHECKFLAGS     += $(NOSTDINC_FLAGS)
@@ -1024,7 +1041,7 @@ define filechk_uboot.release
 endef
 
 # Store (new) UBOOTRELEASE string in include/config/uboot.release
-include/config/uboot.release: Makefile FORCE
+include/config/uboot.release: include/config/auto.conf FORCE
 	$(call filechk,uboot.release)
 
 
@@ -1042,8 +1059,8 @@ PHONY += prepare archprepare prepare0 prepare1 prepare2 prepare3
 # 1) Check that make has not been executed in the kernel src $(srctree)
 prepare3: include/config/uboot.release
 ifneq ($(KBUILD_SRC),)
-	@$(kecho) '  Using $(srctree) as source for u-boot'
-	$(Q)if [ -f $(srctree)/include/config.mk ]; then \
+	@$(kecho) '  Using $(srctree) as source for U-Boot'
+	$(Q)if [ -f $(srctree)/.config -o -d $(srctree)/include/config ]; then \
 		echo >&2 "  $(srctree) is not clean, please run 'make mrproper'"; \
 		echo >&2 "  in the '$(srctree)' directory.";\
 		/bin/false; \
@@ -1053,7 +1070,8 @@ endif
 # prepare2 creates a makefile if using a separate output directory
 prepare2: prepare3 outputmakefile
 
-prepare1: prepare2 $(version_h) $(timestamp_h)
+prepare1: prepare2 $(version_h) $(timestamp_h) \
+                   include/config/auto.conf
 ifeq ($(__HAVE_ARCH_GENERIC_BOARD),)
 ifeq ($(CONFIG_SYS_GENERIC_BOARD),y)
 	@echo >&2 "  Your architecture does not support generic board."
@@ -1095,29 +1113,6 @@ $(version_h): include/config/uboot.release FORCE
 $(timestamp_h): $(srctree)/Makefile FORCE
 	$(call filechk,timestamp.h)
 
-#
-# Auto-generate the autoconf.mk file (which is included by all makefiles)
-#
-# This target actually generates 2 files; autoconf.mk and autoconf.mk.dep.
-# the dep file is only include in this top level makefile to determine when
-# to regenerate the autoconf.mk file.
-
-quiet_cmd_autoconf_dep = GEN     $@
-      cmd_autoconf_dep = $(CC) -x c -DDO_DEPS_ONLY -M $(c_flags) \
-	-MQ include/autoconf.mk $(srctree)/include/common.h > $@ || rm $@
-
-include/autoconf.mk.dep: include/config.h include/common.h
-	$(call cmd,autoconf_dep)
-
-quiet_cmd_autoconf = GEN     $@
-      cmd_autoconf = \
-	$(CPP) $(c_flags) -DDO_DEPS_ONLY -dM $(srctree)/include/common.h > $@.tmp && \
-	sed -n -f $(srctree)/tools/scripts/define2mk.sed $@.tmp > $@; \
-	rm $@.tmp
-
-include/autoconf.mk: include/config.h
-	$(call cmd,autoconf)
-
 # ---------------------------------------------------------------------------
 
 PHONY += depend dep
@@ -1141,7 +1136,7 @@ spl/sunxi-spl.bin: spl/u-boot-spl
 	@:
 
 tpl/u-boot-tpl.bin: tools prepare
-	$(Q)$(MAKE) obj=tpl -f $(srctree)/scripts/Makefile.spl all CONFIG_TPL_BUILD=y
+	$(Q)$(MAKE) obj=tpl -f $(srctree)/scripts/Makefile.spl all
 
 TAG_SUBDIRS := $(patsubst %,$(srctree)/%,$(u-boot-dirs) include)
 
@@ -1216,20 +1211,18 @@ include/license.h: tools/bin2header COPYING
 
 # Directories & files removed with 'make clean'
 CLEAN_DIRS  += $(MODVERDIR)
-CLEAN_FILES += u-boot.lds include/bmp_logo.h include/bmp_logo_data.h \
-	       include/autoconf.mk* include/spl-autoconf.mk \
-	       include/tpl-autoconf.mk
+CLEAN_FILES += u-boot.lds include/bmp_logo.h include/bmp_logo_data.h
 
 # Directories & files removed with 'make clobber'
-CLOBBER_DIRS  += spl tpl
+CLOBBER_DIRS  += $(foreach d, spl tpl, $(patsubst %,$d/%, \
+			$(filter-out include, $(shell ls -1 $d 2>/dev/null))))
 CLOBBER_FILES += u-boot* MLO* SPL System.map
 
 # Directories & files removed with 'make mrproper'
-MRPROPER_DIRS  += include/config include/generated          \
+MRPROPER_DIRS  += include/config include/generated spl tpl \
 		  .tmp_objdiff
-MRPROPER_FILES += .config .config.old \
-		  ctags etags cscope* GPATH GTAGS GRTAGS GSYMS \
-		  include/config.h include/config.mk
+MRPROPER_FILES += .config .config.old include/autoconf.mk* include/config.h \
+		  ctags etags TAGS cscope* GPATH GTAGS GRTAGS GSYMS
 
 # clean - Delete most, but leave enough to build external modules
 #
@@ -1306,10 +1299,9 @@ help:
 	@echo  '  mrproper	  - Remove all generated files + config + various backup files'
 	@echo  '  distclean	  - mrproper + remove editor backup and patch files'
 	@echo  ''
-# uncomment after adding Kconfig feature
-#	@echo  'Configuration targets:'
-#	@$(MAKE) -f $(srctree)/scripts/kconfig/Makefile help
-#	@echo  ''
+	@echo  'Configuration targets:'
+	@$(MAKE) -f $(srctree)/scripts/kconfig/Makefile help
+	@echo  ''
 	@echo  'Other generic targets:'
 	@echo  '  all		  - Build all necessary images depending on configuration'
 	@echo  '  u-boot	  - Build the bare u-boot'