X-Git-Url: https://git.kernelconcepts.de/?p=karo-tx-uboot.git;a=blobdiff_plain;f=config.mk;h=b77d58903c8148db98b6b204c8d2b314397fd5a6;hp=d5b09a0095d5eef7f8f0452d3835f3163d5aa90e;hb=74999ac6506460c72d982cff261575729c4f725a;hpb=74279d37613cb3081ee1680d67b2aed1f934472a

diff --git a/config.mk b/config.mk
index d5b09a0095..b77d58903c 100644
--- a/config.mk
+++ b/config.mk
@@ -6,381 +6,80 @@
 #
 #########################################################################
 
-# Set shell to bash if possible, otherwise fall back to sh
-SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
-	else if [ -x /bin/bash ]; then echo /bin/bash; \
-	else echo sh; fi; fi)
-
-export	SHELL
-
-ifeq ($(CURDIR),$(SRCTREE))
-dir :=
-else
-dir := $(subst $(SRCTREE)/,,$(CURDIR))
-endif
-
-ifneq ($(OBJTREE),$(SRCTREE))
-# Create object files for SPL in a separate directory
-ifeq ($(CONFIG_SPL_BUILD),y)
-ifeq ($(CONFIG_TPL_BUILD),y)
-obj := $(if $(dir),$(TPLTREE)/$(dir)/,$(TPLTREE)/)
-else
-obj := $(if $(dir),$(SPLTREE)/$(dir)/,$(SPLTREE)/)
-endif
-else
-obj := $(if $(dir),$(OBJTREE)/$(dir)/,$(OBJTREE)/)
-endif
-src := $(if $(dir),$(SRCTREE)/$(dir)/,$(SRCTREE)/)
-
-$(shell mkdir -p $(obj))
-else
-# Create object files for SPL in a separate directory
-ifeq ($(CONFIG_SPL_BUILD),y)
-ifeq ($(CONFIG_TPL_BUILD),y)
-obj := $(if $(dir),$(TPLTREE)/$(dir)/,$(TPLTREE)/)
-else
-obj := $(if $(dir),$(SPLTREE)/$(dir)/,$(SPLTREE)/)
-
-endif
-$(shell mkdir -p $(obj))
-else
-obj :=
-endif
-src :=
-endif
-
-# clean the slate ...
-PLATFORM_RELFLAGS =
-PLATFORM_CPPFLAGS =
-PLATFORM_LDFLAGS =
-
-#########################################################################
-
-HOSTCFLAGS	= -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer \
-		  $(HOSTCPPFLAGS)
-HOSTSTRIP	= strip
-
+# This file is included from ./Makefile and spl/Makefile.
+# Clean the state to avoid the same flags added twice.
 #
-# Mac OS X / Darwin's C preprocessor is Apple specific.  It
-# generates numerous errors and warnings.  We want to bypass it
-# and use GNU C's cpp.	To do this we pass the -traditional-cpp
-# option to the compiler.  Note that the -traditional-cpp flag
-# DOES NOT have the same semantics as GNU C's flag, all it does
-# is invoke the GNU preprocessor in stock ANSI/ISO C fashion.
-#
-# Apple's linker is similar, thanks to the new 2 stage linking
-# multiple symbol definitions are treated as errors, hence the
-# -multiply_defined suppress option to turn off this error.
-#
-
-ifeq ($(HOSTOS),darwin)
-# get major and minor product version (e.g. '10' and '6' for Snow Leopard)
-DARWIN_MAJOR_VERSION	= $(shell sw_vers -productVersion | cut -f 1 -d '.')
-DARWIN_MINOR_VERSION	= $(shell sw_vers -productVersion | cut -f 2 -d '.')
-
-os_x_before	= $(shell if [ $(DARWIN_MAJOR_VERSION) -le $(1) -a \
-	$(DARWIN_MINOR_VERSION) -le $(2) ] ; then echo "$(3)"; else echo "$(4)"; fi ;)
-
-# Snow Leopards build environment has no longer restrictions as described above
-HOSTCC		 = $(call os_x_before, 10, 5, "cc", "gcc")
-HOSTCFLAGS	+= $(call os_x_before, 10, 4, "-traditional-cpp")
-HOSTLDFLAGS	+= $(call os_x_before, 10, 5, "-multiply_defined suppress")
-else
-HOSTCC		= gcc
-endif
-
-ifeq ($(HOSTOS),cygwin)
-HOSTCFLAGS	+= -ansi
-endif
-
-# We build some files with extra pedantic flags to try to minimize things
-# that won't build on some weird host compiler -- though there are lots of
-# exceptions for files that aren't complaint.
-
-HOSTCFLAGS_NOPED = $(filter-out -pedantic,$(HOSTCFLAGS))
-HOSTCFLAGS	+= -pedantic
-
+# (Tegra needs different flags for SPL.
+#  That's the reason why this file must be included from spl/Makefile too.
+#  If we did not have Tegra SoCs, build system would be much simpler...)
+PLATFORM_RELFLAGS :=
+PLATFORM_CPPFLAGS :=
+PLATFORM_LDFLAGS :=
+LDFLAGS :=
+LDFLAGS_FINAL :=
+OBJCOPYFLAGS :=
+# clear VENDOR for tcsh
+VENDOR :=
 #########################################################################
-#
-# Option checker, gcc version (courtesy linux kernel) to ensure
-# only supported compiler options are used
-#
-CC_OPTIONS_CACHE_FILE := $(OBJTREE)/include/generated/cc_options.mk
-CC_TEST_OFILE := $(OBJTREE)/include/generated/cc_test_file.o
-
--include $(CC_OPTIONS_CACHE_FILE)
 
-cc-option-sys = $(shell mkdir -p $(dir $(CC_TEST_OFILE)); \
-		if $(CC) $(CFLAGS) $(1) -S -xc /dev/null -o $(CC_TEST_OFILE) \
-		> /dev/null 2>&1; then \
-		echo 'CC_OPTIONS += $(strip $1)' >> $(CC_OPTIONS_CACHE_FILE); \
-		echo "$(1)"; fi)
-
-ifeq ($(CONFIG_CC_OPT_CACHE_DISABLE),y)
-cc-option = $(strip $(if $(call cc-option-sys,$1),$1,$2))
-else
-cc-option = $(strip $(if $(findstring $1,$(CC_OPTIONS)),$1,\
-		$(if $(call cc-option-sys,$1),$1,$2)))
+ARCH := $(CONFIG_SYS_ARCH:"%"=%)
+CPU := $(CONFIG_SYS_CPU:"%"=%)
+ifdef CONFIG_SPL_BUILD
+ifdef CONFIG_TEGRA
+CPU := arm720t
 endif
-
-# cc-version
-# Usage gcc-ver := $(call cc-version)
-cc-version = $(shell $(SHELL) $(SRCTREE)/tools/gcc-version.sh $(CC))
-binutils-version = $(shell $(SHELL) $(SRCTREE)/tools/binutils-version.sh $(AS))
-dtc-version = $(shell $(SHELL) $(SRCTREE)/tools/dtc-version.sh $(DTC))
-
-#
-# Include the make variables (CC, etc...)
-#
-AS	= $(CROSS_COMPILE)as
-
-# Always use GNU ld
-LD	= $(shell if $(CROSS_COMPILE)ld.bfd -v > /dev/null 2>&1; \
-		then echo "$(CROSS_COMPILE)ld.bfd"; else echo "$(CROSS_COMPILE)ld"; fi;)
-
-CC	= $(CROSS_COMPILE)gcc
-CPP	= $(CC) -E
-AR	= $(CROSS_COMPILE)ar
-NM	= $(CROSS_COMPILE)nm
-LDR	= $(CROSS_COMPILE)ldr
-STRIP	= $(CROSS_COMPILE)strip
-OBJCOPY = $(CROSS_COMPILE)objcopy
-OBJDUMP = $(CROSS_COMPILE)objdump
-RANLIB	= $(CROSS_COMPILE)RANLIB
-DTC	= dtc
-CHECK	= sparse
-
-#########################################################################
-
-# Load generated board configuration
-ifeq ($(CONFIG_TPL_BUILD),y)
-# Include TPL autoconf
-sinclude $(OBJTREE)/include/tpl-autoconf.mk
-else
-ifeq ($(CONFIG_SPL_BUILD),y)
-# Include SPL autoconf
-sinclude $(OBJTREE)/include/spl-autoconf.mk
-else
-# Include normal autoconf
-sinclude $(OBJTREE)/include/autoconf.mk
 endif
+BOARD := $(CONFIG_SYS_BOARD:"%"=%)
+ifneq ($(CONFIG_SYS_VENDOR),)
+VENDOR := $(CONFIG_SYS_VENDOR:"%"=%)
+endif
+ifneq ($(CONFIG_SYS_SOC),)
+SOC := $(CONFIG_SYS_SOC:"%"=%)
 endif
-sinclude $(OBJTREE)/include/config.mk
 
 # Some architecture config.mk files need to know what CPUDIR is set to,
 # so calculate CPUDIR before including ARCH/SOC/CPU config.mk files.
 # Check if arch/$ARCH/cpu/$CPU exists, otherwise assume arch/$ARCH/cpu contains
 # CPU-specific code.
-CPUDIR=arch/$(ARCH)/cpu/$(CPU)
-ifneq ($(SRCTREE)/$(CPUDIR),$(wildcard $(SRCTREE)/$(CPUDIR)))
-CPUDIR=arch/$(ARCH)/cpu
-endif
+CPUDIR=arch/$(ARCH)/cpu$(if $(CPU),/$(CPU),)
 
-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
 BOARDDIR = $(VENDOR)/$(BOARD)
 else
 BOARDDIR = $(BOARD)
 endif
-ifdef	BOARD
-sinclude $(TOPDIR)/board/$(BOARDDIR)/config.mk	# include board specific rules
 endif
-
-#########################################################################
-
-# We don't actually use $(ARFLAGS) anywhere anymore, so catch people
-# who are porting old code to latest mainline but not updating $(AR).
-ARFLAGS = $(error update your Makefile to use cmd_link_o_target and not AR)
-RELFLAGS= $(PLATFORM_RELFLAGS)
-DBGFLAGS= -g # -DDEBUG
-OPTFLAGS= -Os #-fomit-frame-pointer
-
-OBJCFLAGS += --gap-fill=0xff
-
-gccincdir := $(shell $(CC) -print-file-name=include)
-
-CPPFLAGS := $(DBGFLAGS) $(OPTFLAGS) $(RELFLAGS)		\
-	-D__KERNEL__
-
-# Enable garbage collection of un-used sections for SPL
-ifeq ($(CONFIG_SPL_BUILD),y)
-CPPFLAGS += -ffunction-sections -fdata-sections
-LDFLAGS_FINAL += --gc-sections
-endif
-
-# TODO(sjg@chromium.org): Is this correct on Mac OS?
-
-# MXSImage needs LibSSL
-ifneq ($(CONFIG_MX23)$(CONFIG_MX28),)
-HOSTLIBS	+= -lssl -lcrypto
-# Add CONFIG_MXS into host CFLAGS, so we can check whether or not register
-# the mxsimage support within tools/mxsimage.c .
-HOSTCFLAGS	+= -DCONFIG_MXS
-endif
-
-ifdef CONFIG_FIT_SIGNATURE
-HOSTLIBS	+= -lssl -lcrypto
-
-# This affects include/image.h, but including the board config file
-# is tricky, so manually define this options here.
-HOSTCFLAGS	+= -DCONFIG_FIT_SIGNATURE
-endif
-
-ifneq ($(CONFIG_SYS_TEXT_BASE),)
-CPPFLAGS += -DCONFIG_SYS_TEXT_BASE=$(CONFIG_SYS_TEXT_BASE)
-endif
-
-ifeq ($(CONFIG_SPL_BUILD),y)
-CPPFLAGS += -DCONFIG_SPL_BUILD
-ifeq ($(CONFIG_TPL_BUILD),y)
-CPPFLAGS += -DCONFIG_TPL_BUILD
-endif
-endif
-
-# Does this architecture support generic board init?
-ifeq ($(__HAVE_ARCH_GENERIC_BOARD),)
-ifneq ($(CONFIG_SYS_GENERIC_BOARD),)
-CHECK_GENERIC_BOARD = $(error Your architecture does not support generic board. \
-Please undefined CONFIG_SYS_GENERIC_BOARD in your board config file)
-endif
-endif
-
-# Sandbox needs the base flags and includes, so keep them around
-BASE_CPPFLAGS := $(CPPFLAGS)
-
-ifneq ($(OBJTREE),$(SRCTREE))
-BASE_INCLUDE_DIRS := $(OBJTREE)/include
-endif
-
-BASE_INCLUDE_DIRS += $(TOPDIR)/include $(SRCTREE)/arch/$(ARCH)/include
-
-CPPFLAGS += $(patsubst %, -I%, $(BASE_INCLUDE_DIRS))
-CPPFLAGS += -fno-builtin -ffreestanding -nostdinc	\
-	-isystem $(gccincdir) -pipe $(PLATFORM_CPPFLAGS)
-
-CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes
-
-ifdef BUILD_TAG
-CFLAGS += -DBUILD_TAG='"$(BUILD_TAG)"'
+ifdef	BOARD
+sinclude $(srctree)/board/$(BOARDDIR)/config.mk	# include board specific rules
 endif
 
-CFLAGS_SSP := $(call cc-option,-fno-stack-protector)
-CFLAGS += $(CFLAGS_SSP)
-# Some toolchains enable security related warning flags by default,
-# but they don't make much sense in the u-boot world, so disable them.
-CFLAGS_WARN := $(call cc-option,-Wno-format-nonliteral) \
-	       $(call cc-option,-Wno-format-security)
-CFLAGS += $(CFLAGS_WARN)
-
-# Report stack usage if supported
-CFLAGS_STACK := $(call cc-option,-fstack-usage)
-CFLAGS += $(CFLAGS_STACK)
-
-BCURDIR = $(subst $(SRCTREE)/,,$(CURDIR:$(obj)%=%))
-
-ifeq ($(findstring examples/,$(BCURDIR)),)
-ifeq ($(CONFIG_SPL_BUILD),)
 ifdef FTRACE
-CFLAGS += -finstrument-functions -DFTRACE
-endif
+PLATFORM_CPPFLAGS += -finstrument-functions -DFTRACE
 endif
-endif
-
-# $(CPPFLAGS) sets -g, which causes gcc to pass a suitable -g<format>
-# option to the assembler.
-AFLAGS_DEBUG :=
-
-# turn jbsr into jsr for m68k
-ifeq ($(ARCH),m68k)
-ifeq ($(findstring 3.4,$(shell $(CC) --version)),3.4)
-AFLAGS_DEBUG := -Wa,-gstabs,-S
-endif
-endif
-
-AFLAGS := $(AFLAGS_DEBUG) -D__ASSEMBLY__ $(CPPFLAGS)
-
-LDFLAGS += $(PLATFORM_LDFLAGS)
-LDFLAGS_FINAL += -Bstatic
-
-LDFLAGS_u-boot += -T $(obj)u-boot.lds $(LDFLAGS_FINAL)
-ifneq ($(CONFIG_SYS_TEXT_BASE),)
-LDFLAGS_u-boot += -Ttext $(CONFIG_SYS_TEXT_BASE)
-endif
-
-LDFLAGS_$(SPL_BIN) += -T $(obj)u-boot-spl.lds $(LDFLAGS_FINAL)
-ifneq ($(CONFIG_SPL_TEXT_BASE),)
-LDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_SPL_TEXT_BASE)
-endif
-
-# Linus' kernel sanity checking tool
-CHECKFLAGS     := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \
-		  -Wbitwise -Wno-return-void -D__CHECK_ENDIAN__ $(CF)
 
-# Location of a usable BFD library, where we define "usable" as
-# "built for ${HOST}, supports ${TARGET}".  Sensible values are
-# - When cross-compiling: the root of the cross-environment
-# - Linux/ppc (native): /usr
-# - NetBSD/ppc (native): you lose ... (must extract these from the
-#   binutils build directory, plus the native and U-Boot include
-#   files don't like each other)
-#
-# So far, this is used only by tools/gdb/Makefile.
-
-ifeq ($(HOSTOS),darwin)
-BFD_ROOT_DIR =		/usr/local/tools
-else
-ifeq ($(HOSTARCH),$(ARCH))
-# native
-BFD_ROOT_DIR =		/usr
-else
-#BFD_ROOT_DIR =		/LinuxPPC/CDK		# Linux/i386
-#BFD_ROOT_DIR =		/usr/pkg/cross		# NetBSD/i386
-BFD_ROOT_DIR =		/opt/powerpc
+# Allow use of stdint.h if available
+ifneq ($(USE_STDINT),)
+PLATFORM_CPPFLAGS += -DCONFIG_USE_STDINT
 endif
-endif
-
-#########################################################################
-
-export	HOSTCC HOSTCFLAGS HOSTLDFLAGS PEDCFLAGS HOSTSTRIP CROSS_COMPILE \
-	AS LD CC CPP AR NM STRIP OBJCOPY OBJDUMP MAKE
-export	CONFIG_SYS_TEXT_BASE PLATFORM_CPPFLAGS PLATFORM_RELFLAGS CPPFLAGS CFLAGS AFLAGS
 
 #########################################################################
 
-# Allow boards to use custom optimize flags on a per dir/file basis
-ALL_AFLAGS = $(AFLAGS) $(AFLAGS_$(BCURDIR)/$(@F)) $(AFLAGS_$(BCURDIR))
-ALL_CFLAGS = $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR))
-EXTRA_CPPFLAGS = $(CPPFLAGS_$(BCURDIR)/$(@F)) $(CPPFLAGS_$(BCURDIR))
-ALL_CFLAGS += $(EXTRA_CPPFLAGS)
-
-# The _DEP version uses the $< file target (for dependency generation)
-# See rules.mk
-EXTRA_CPPFLAGS_DEP = $(CPPFLAGS_$(BCURDIR)/$(addsuffix .o,$(basename $<))) \
-		$(CPPFLAGS_$(BCURDIR))
-$(obj)%.s:	%.S
-	$(CPP) $(ALL_AFLAGS) -o $@ $<
-$(obj)%.o:	%.S
-	$(CC)  $(ALL_AFLAGS) -o $@ $< -c
-$(obj)%.o:	%.c
-ifneq ($(CHECKSRC),0)
-	$(CHECK) $(CHECKFLAGS) $(ALL_CFLAGS) $<
-endif
-	$(CC)  $(ALL_CFLAGS) -o $@ $< -c
-$(obj)%.i:	%.c
-	$(CPP) $(ALL_CFLAGS) -o $@ $< -c
-$(obj)%.s:	%.c
-	$(CC)  $(ALL_CFLAGS) -o $@ $< -c -S
+RELFLAGS := $(PLATFORM_RELFLAGS)
 
-#########################################################################
+PLATFORM_CPPFLAGS += $(RELFLAGS)
+PLATFORM_CPPFLAGS += -pipe
 
-# If the list of objects to link is empty, just create an empty built-in.o
-cmd_link_o_target = $(if $(strip $1),\
-		      $(LD) $(LDFLAGS) -r -o $@ $1,\
-		      rm -f $@; $(AR) rcs $@ )
+LDFLAGS += $(PLATFORM_LDFLAGS)
+LDFLAGS_FINAL += -Bstatic
 
-#########################################################################
+export PLATFORM_CPPFLAGS
+export RELFLAGS
+export LDFLAGS_FINAL
+export CONFIG_STANDALONE_LOAD_ADDR