env: Add generic redundant environment implementation

[J-u-boot.git] / Makefile

diff --git a/Makefile b/Makefile
index 0b1e8a6f97297e460d7a0c757ac869752aad2cae..452596485dd34269be12b593381be1455682001f 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -3,9 +3,9 @@
 #
 
 VERSION = 2017
-PATCHLEVEL = 03
+PATCHLEVEL = 07
 SUBLEVEL =
-EXTRAVERSION = -rc1
+EXTRAVERSION =
 NAME =
 
 # *DOCUMENTATION*
@@ -348,7 +348,7 @@ OBJCOPY             = $(CROSS_COMPILE)objcopy
 OBJDUMP                = $(CROSS_COMPILE)objdump
 AWK            = awk
 PERL           = perl
-PYTHON         = python
+PYTHON         ?= python
 DTC            = dtc
 CHECK          = sparse
 
@@ -371,7 +371,7 @@ 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 PYTHON
-export HOSTCXX HOSTCXXFLAGS DTC CHECK CHECKFLAGS
+export HOSTCXX HOSTCXXFLAGS CHECK CHECKFLAGS DTC DTC_FLAGS
 
 export KBUILD_CPPFLAGS NOSTDINC_FLAGS UBOOTINCLUDE OBJCOPYFLAGS LDFLAGS
 export KBUILD_CFLAGS KBUILD_AFLAGS
@@ -624,8 +624,9 @@ KBUILD_CFLAGS += $(KCFLAGS)
 UBOOTINCLUDE    := \
                -Iinclude \
                $(if $(KBUILD_SRC), -I$(srctree)/include) \
-               $(if $(CONFIG_SYS_THUMB_BUILD), $(if $(CONFIG_HAS_THUMB2),, \
-                       -I$(srctree)/arch/$(ARCH)/thumb1/include),) \
+               $(if $(CONFIG_$(SPL_)SYS_THUMB_BUILD), \
+                       $(if $(CONFIG_HAS_THUMB2),, \
+                               -I$(srctree)/arch/$(ARCH)/thumb1/include),) \
                -I$(srctree)/arch/$(ARCH)/include \
                -include $(srctree)/include/linux/kconfig.h
 
@@ -652,7 +653,6 @@ libs-y += drivers/
 libs-y += drivers/dma/
 libs-y += drivers/gpio/
 libs-y += drivers/i2c/
-libs-y += drivers/mmc/
 libs-y += drivers/mtd/
 libs-$(CONFIG_CMD_NAND) += drivers/mtd/nand/
 libs-y += drivers/mtd/onenand/
@@ -746,6 +746,9 @@ BOARD_SIZE_CHECK =
 endif
 
 # Statically apply RELA-style relocations (currently arm64 only)
+# This is useful for arm64 where static relocation needs to be performed on
+# the raw binary, but certain simulators only accept an ELF file (but don't
+# do the relocation).
 ifneq ($(CONFIG_STATIC_RELA),)
 # $(1) is u-boot ELF, $(2) is u-boot bin, $(3) is text base
 DO_STATIC_RELA = \
@@ -804,6 +807,10 @@ ALL-y += $(CONFIG_BUILD_TARGET:"%"=%)
 endif
 
 LDFLAGS_u-boot += $(LDFLAGS_FINAL)
+
+# Avoid 'Not enough room for program headers' error on binutils 2.28 onwards.
+LDFLAGS_u-boot += $(call ld-option, --no-dynamic-linker)
+
 ifneq ($(CONFIG_SYS_TEXT_BASE),)
 LDFLAGS_u-boot += -Ttext $(CONFIG_SYS_TEXT_BASE)
 endif
@@ -826,6 +833,10 @@ quiet_cmd_mkimage = MKIMAGE $@
 cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \
        $(if $(KBUILD_VERBOSE:1=), >$(MKIMAGEOUTPUT))
 
+quiet_cmd_mkfitimage = MKIMAGE $@
+cmd_mkfitimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -f $(U_BOOT_ITS) -E $@ \
+       $(if $(KBUILD_VERBOSE:1=), >$(MKIMAGEOUTPUT))
+
 quiet_cmd_cat = CAT     $@
 cmd_cat = cat $(filter-out $(PHONY), $^) > $@
 
@@ -862,7 +873,21 @@ dts/dt.dtb: checkdtc u-boot
 quiet_cmd_copy = COPY    $@
       cmd_copy = cp $< $@
 
-ifeq ($(CONFIG_OF_SEPARATE),y)
+ifeq ($(CONFIG_FIT_EMBED),y)
+
+fit-dtb.blob: dts/dt.dtb FORCE
+       $(call if_changed,mkimage)
+
+MKIMAGEFLAGS_fit-dtb.blob = -f auto -A $(ARCH) -T firmware -C none -O u-boot \
+       -a 0 -e 0 -E \
+       $(patsubst %,-b arch/$(ARCH)/dts/%.dtb,$(subst ",,$(CONFIG_OF_LIST))) -d /dev/null
+
+u-boot-fit-dtb.bin: u-boot-nodtb.bin fit-dtb.blob
+       $(call if_changed,cat)
+
+u-boot.bin: u-boot-fit-dtb.bin FORCE
+       $(call if_changed,copy)
+else ifeq ($(CONFIG_OF_SEPARATE),y)
 u-boot-dtb.bin: u-boot-nodtb.bin dts/dt.dtb FORCE
        $(call if_changed,cat)
 
@@ -874,7 +899,7 @@ u-boot.bin: u-boot-nodtb.bin FORCE
 endif
 
 %.imx: %.bin
-       $(Q)$(MAKE) $(build)=arch/arm/imx-common $@
+       $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@
 
 %.vyb: %.imx
        $(Q)$(MAKE) $(build)=arch/arm/cpu/armv7/vf610 $@
@@ -945,6 +970,19 @@ quiet_cmd_cpp_cfg = CFG     $@
 cmd_cpp_cfg = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \
        -DDO_DEPS_ONLY -D__ASSEMBLY__ -x assembler-with-cpp -P -dM -E -o $@ $<
 
+# Boards with more complex image requirments can provide an .its source file
+# or a generator script
+ifneq ($(CONFIG_SPL_FIT_SOURCE),"")
+U_BOOT_ITS = $(subst ",,$(CONFIG_SPL_FIT_SOURCE))
+else
+ifneq ($(CONFIG_SPL_FIT_GENERATOR),"")
+U_BOOT_ITS := u-boot.its
+$(U_BOOT_ITS): FORCE
+       $(srctree)/$(CONFIG_SPL_FIT_GENERATOR) \
+       $(patsubst %,arch/$(ARCH)/dts/%.dtb,$(subst ",,$(CONFIG_OF_LIST))) > $@
+endif
+endif
+
 ifdef CONFIG_SPL_LOAD_FIT
 MKIMAGEFLAGS_u-boot.img = -f auto -A $(ARCH) -T firmware -C none -O u-boot \
        -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \
@@ -977,6 +1015,9 @@ u-boot-dtb.img u-boot.img u-boot.kwb u-boot.pbl u-boot-ivt.img: \
                $(if $(CONFIG_SPL_LOAD_FIT),u-boot-nodtb.bin dts/dt.dtb,u-boot.bin) FORCE
        $(call if_changed,mkimage)
 
+u-boot.itb: u-boot-nodtb.bin dts/dt.dtb $(U_BOOT_ITS) FORCE
+       $(call if_changed,mkfitimage)
+
 u-boot-spl.kwb: u-boot.img spl/u-boot-spl.bin FORCE
        $(call if_changed,mkimage)
 
@@ -1023,10 +1064,10 @@ tpl/u-boot-with-tpl.bin: tpl/u-boot-tpl.bin u-boot.bin FORCE
        $(call if_changed,pad_cat)
 
 SPL: spl/u-boot-spl.bin FORCE
-       $(Q)$(MAKE) $(build)=arch/arm/imx-common $@
+       $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@
 
 u-boot-with-spl.imx u-boot-with-nand-spl.imx: SPL u-boot.bin FORCE
-       $(Q)$(MAKE) $(build)=arch/arm/imx-common $@
+       $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@
 
 MKIMAGEFLAGS_u-boot.ubl = -n $(UBL_CONFIG) -T ublimage -e $(CONFIG_SYS_TEXT_BASE)
 
@@ -1089,7 +1130,7 @@ cmd_ldr = $(LD) $(LDFLAGS_$(@F)) \
 
 u-boot.rom: u-boot-x86-16bit.bin u-boot.bin \
                $(if $(CONFIG_SPL_X86_16BIT_INIT),spl/u-boot-spl.bin) \
-               $(if $(CONFIG_HAVE_REFCODE),refcode.bin) FORCE
+               $(if $(CONFIG_HAVE_REFCODE),refcode.bin) checkbinman FORCE
        $(call if_changed,binman)
 
 OBJCOPYFLAGS_u-boot-x86-16bit.bin := -O binary -j .start16 -j .resetvec
@@ -1098,7 +1139,8 @@ u-boot-x86-16bit.bin: u-boot FORCE
 endif
 
 ifneq ($(CONFIG_ARCH_SUNXI),)
-u-boot-sunxi-with-spl.bin: spl/sunxi-spl.bin u-boot.img u-boot.dtb FORCE
+u-boot-sunxi-with-spl.bin: spl/sunxi-spl.bin u-boot.img u-boot.dtb \
+               checkbinman FORCE
        $(call if_changed,binman)
 endif
 
@@ -1175,17 +1217,17 @@ OBJCOPYFLAGS_u-boot-img-spl-at-end.bin := -I binary -O binary \
 u-boot-img-spl-at-end.bin: u-boot.img spl/u-boot-spl.bin FORCE
        $(call if_changed,pad_cat)
 
-# Create a new ELF from a raw binary file.  This is useful for arm64
-# where static relocation needs to be performed on the raw binary,
-# but certain simulators only accept an ELF file (but don't do the
-# relocation).
-# FIXME refactor dts/Makefile to share target/arch detection
+# Create a new ELF from a raw binary file.
+ifndef PLATFORM_ELFENTRY
+  PLATFORM_ELFENTRY = "_start"
+endif
+quiet_cmd_u-boot-elf ?= LD      $@
+       cmd_u-boot-elf ?= $(LD) u-boot-elf.o -o $@ \
+       --defsym=$(PLATFORM_ELFENTRY)=$(CONFIG_SYS_TEXT_BASE) \
+       -Ttext=$(CONFIG_SYS_TEXT_BASE)
 u-boot.elf: u-boot.bin
-       @$(OBJCOPY)  -B aarch64 -I binary -O elf64-littleaarch64 \
-               $< u-boot-elf.o
-       @$(LD) u-boot-elf.o -o $@ \
-               --defsym=_start=$(CONFIG_SYS_TEXT_BASE) \
-               -Ttext=$(CONFIG_SYS_TEXT_BASE)
+       $(Q)$(OBJCOPY) -I binary $(PLATFORM_ELFFLAGS) $< u-boot-elf.o
+       $(call if_changed,u-boot-elf)
 
 # Rule to link u-boot
 # May be overridden by arch/$(ARCH)/config.mk
@@ -1327,6 +1369,18 @@ $(version_h): include/config/uboot.release FORCE
 $(timestamp_h): $(srctree)/Makefile FORCE
        $(call filechk,timestamp.h)
 
+checkbinman: tools
+       @if ! ( echo 'import libfdt' | ( PYTHONPATH=tools python )); then \
+               echo >&2; \
+               echo >&2 '*** binman needs the Python libfdt library.'; \
+               echo >&2 '*** Either install it on your system, or try:'; \
+               echo >&2 '***'; \
+               echo >&2 '*** sudo apt-get install swig libpython-dev'; \
+               echo >&2 '***'; \
+               echo >&2 '*** to have U-Boot build its own version.'; \
+               false; \
+       fi
+
 # ---------------------------------------------------------------------------
 quiet_cmd_cpp_lds = LDS     $@
 cmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) \
@@ -1344,13 +1398,17 @@ spl/u-boot-spl: tools prepare \
 spl/sunxi-spl.bin: spl/u-boot-spl
        @:
 
+spl/sunxi-spl-with-ecc.bin: spl/sunxi-spl.bin
+       @:
+
 spl/u-boot-spl.sfp: spl/u-boot-spl
        @:
 
 spl/boot.bin: spl/u-boot-spl
        @:
 
-tpl/u-boot-tpl.bin: tools prepare
+tpl/u-boot-tpl.bin: tools prepare \
+               $(if $(CONFIG_OF_SEPARATE)$(CONFIG_SPL_OF_PLATDATA),dts/dt.dtb)
        $(Q)$(MAKE) obj=tpl -f $(srctree)/scripts/Makefile.spl all
 
 TAG_SUBDIRS := $(patsubst %,$(srctree)/%,$(u-boot-dirs) include)
@@ -1429,7 +1487,7 @@ CLEAN_DIRS  += $(MODVERDIR) \
                        $(filter-out include, $(shell ls -1 $d 2>/dev/null))))
 
 CLEAN_FILES += include/bmp_logo.h include/bmp_logo_data.h \
-              boot* u-boot* MLO* SPL System.map
+              boot* u-boot* MLO* SPL System.map fit-dtb.blob
 
 # Directories & files removed with 'make mrproper'
 MRPROPER_DIRS  += include/config include/generated spl tpl \