X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=Makefile;h=b8a4b5058a00f92d061e9823f6842a40273dbb26;hb=df42f321390411285dac3df603f6eb583d593481;hp=d3038cf6657bb51cae8e8950785626fe8f8fa59b;hpb=533832c6a47b5f7463f3b1d20337d2746f568b24;p=oweals%2Fu-boot.git

diff --git a/Makefile b/Makefile
index d3038cf665..b8a4b5058a 100644
--- a/Makefile
+++ b/Makefile
@@ -1,9 +1,9 @@
 # SPDX-License-Identifier: GPL-2.0+
 
 VERSION = 2020
-PATCHLEVEL = 01
+PATCHLEVEL = 04
 SUBLEVEL =
-EXTRAVERSION = -rc3
+EXTRAVERSION =
 NAME =
 
 # *DOCUMENTATION*
@@ -271,11 +271,17 @@ CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
 	  else if [ -x /bin/bash ]; then echo /bin/bash; \
 	  else echo sh; fi ; fi)
 
+HOST_LFS_CFLAGS := $(shell getconf LFS_CFLAGS 2>/dev/null)
+HOST_LFS_LDFLAGS := $(shell getconf LFS_LDFLAGS 2>/dev/null)
+HOST_LFS_LIBS := $(shell getconf LFS_LIBS 2>/dev/null)
+
 HOSTCC       = cc
 HOSTCXX      = c++
-HOSTCFLAGS   = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer \
-		$(if $(CONFIG_TOOLS_DEBUG),-g)
-HOSTCXXFLAGS = -O2
+KBUILD_HOSTCFLAGS   := -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer \
+		$(if $(CONFIG_TOOLS_DEBUG),-g) $(HOST_LFS_CFLAGS) $(HOSTCFLAGS)
+KBUILD_HOSTCXXFLAGS := -O2 $(HOST_LFS_CFLAGS) $(HOSTCXXFLAGS)
+KBUILD_HOSTLDFLAGS  := $(HOST_LFS_LDFLAGS) $(HOSTLDFLAGS)
+KBUILD_HOSTLDLIBS   := $(HOST_LFS_LIBS) $(HOSTLDLIBS)
 
 # With the move to GCC 6, we have implicitly upgraded our language
 # standard to GNU11 (see https://gcc.gnu.org/gcc-5/porting_to.html).
@@ -284,11 +290,11 @@ HOSTCXXFLAGS = -O2
 # these that our host tools are GNU11 (i.e. C11 w/ GNU extensions).
 CSTD_FLAG := -std=gnu11
 ifeq ($(HOSTOS),linux)
-HOSTCFLAGS += $(CSTD_FLAG)
+KBUILD_HOSTCFLAGS += $(CSTD_FLAG)
 endif
 
 ifeq ($(HOSTOS),cygwin)
-HOSTCFLAGS	+= -ansi
+KBUILD_HOSTCFLAGS	+= -ansi
 endif
 
 # Mac OS X / Darwin's C preprocessor is Apple specific.  It
@@ -315,17 +321,17 @@ os_x_after = $(shell if [ $(DARWIN_MAJOR_VERSION) -ge $(1) -a \
 
 # 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")
+KBUILD_HOSTCFLAGS  += $(call os_x_before, 10, 4, "-traditional-cpp")
+KBUILD_HOSTLDFLAGS += $(call os_x_before, 10, 5, "-multiply_defined suppress")
 
 # since Lion (10.7) ASLR is on by default, but we use linker generated lists
 # in some host tools which is a problem then ... so disable ASLR for these
 # tools
-HOSTLDFLAGS += $(call os_x_before, 10, 7, "", "-Xlinker -no_pie")
+KBUILD_HOSTLDFLAGS += $(call os_x_before, 10, 7, "", "-Xlinker -no_pie")
 
 # macOS Mojave (10.14.X) 
 # Undefined symbols for architecture x86_64: "_PyArg_ParseTuple"
-HOSTLDFLAGS += $(call os_x_after, 10, 14, "-lpython -dynamclib", "")
+KBUILD_HOSTLDFLAGS += $(call os_x_after, 10, 14, "-lpython -dynamclib", "")
 endif
 
 # Decide whether to build built-in, modular, or both.
@@ -417,6 +423,23 @@ KBUILD_CFLAGS   := -Wall -Wstrict-prototypes \
 		   -fno-builtin -ffreestanding $(CSTD_FLAG)
 KBUILD_CFLAGS	+= -fshort-wchar -fno-strict-aliasing
 KBUILD_AFLAGS   := -D__ASSEMBLY__
+KBUILD_LDFLAGS  :=
+
+ifeq ($(cc-name),clang)
+ifneq ($(CROSS_COMPILE),)
+CLANG_TARGET	:= --target=$(notdir $(CROSS_COMPILE:%-=%))
+GCC_TOOLCHAIN_DIR := $(dir $(shell which $(LD)))
+CLANG_PREFIX	:= --prefix=$(GCC_TOOLCHAIN_DIR)
+GCC_TOOLCHAIN	:= $(realpath $(GCC_TOOLCHAIN_DIR)/..)
+endif
+ifneq ($(GCC_TOOLCHAIN),)
+CLANG_GCC_TC	:= --gcc-toolchain=$(GCC_TOOLCHAIN)
+endif
+KBUILD_CFLAGS += $(CLANG_TARGET) $(CLANG_GCC_TC) $(CLANG_PREFIX)
+KBUILD_AFLAGS += $(CLANG_TARGET) $(CLANG_GCC_TC) $(CLANG_PREFIX)
+KBUILD_CFLAGS += $(call cc-option, -no-integrated-as)
+KBUILD_AFLAGS += $(call cc-option, -no-integrated-as)
+endif
 
 # Don't generate position independent code
 KBUILD_CFLAGS	+= $(call cc-option,-fno-PIE)
@@ -428,14 +451,16 @@ UBOOTVERSION = $(VERSION)$(if $(PATCHLEVEL),.$(PATCHLEVEL)$(if $(SUBLEVEL),.$(SU
 
 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 CONFIG_SHELL HOSTCC KBUILD_HOSTCFLAGS CROSS_COMPILE AS LD CC
+export CPP AR NM LDR STRIP OBJCOPY OBJDUMP KBUILD_HOSTLDFLAGS KBUILD_HOSTLDLIBS
 export MAKE LEX YACC AWK PERL PYTHON PYTHON2 PYTHON3
-export HOSTCXX HOSTCXXFLAGS CHECK CHECKFLAGS DTC DTC_FLAGS
+export HOSTCXX KBUILD_HOSTCXXFLAGS CHECK CHECKFLAGS DTC DTC_FLAGS
 
-export KBUILD_CPPFLAGS NOSTDINC_FLAGS UBOOTINCLUDE OBJCOPYFLAGS LDFLAGS
+export KBUILD_CPPFLAGS NOSTDINC_FLAGS UBOOTINCLUDE OBJCOPYFLAGS KBUILD_LDFLAGS
 export KBUILD_CFLAGS KBUILD_AFLAGS
 
+export CC_VERSION_TEXT := $(shell $(CC) --version | head -n 1)
+
 # When compiling out-of-tree modules, put MODVERDIR in the module
 # tree rather than in the kernel tree. The kernel tree might
 # even be read-only.
@@ -483,6 +508,7 @@ endif
 version_h := include/generated/version_autogenerated.h
 timestamp_h := include/generated/timestamp_autogenerated.h
 defaultenv_h := include/generated/defaultenv_autogenerated.h
+dt_h := include/generated/dt.h
 
 no-dot-config-targets := clean clobber mrproper distclean \
 			 help %docs check% coccicheck \
@@ -654,6 +680,9 @@ endif
 KBUILD_CFLAGS += $(call cc-option,-fno-stack-protector)
 KBUILD_CFLAGS += $(call cc-option,-fno-delete-null-pointer-checks)
 
+# disable stringop warnings in gcc 8+
+KBUILD_CFLAGS += $(call cc-disable-warning, stringop-truncation)
+
 # change __FILE__ to the relative path from the srctree
 KBUILD_CFLAGS	+= $(call cc-option,-fmacro-prefix-map=$(srctree)/=)
 
@@ -672,12 +701,25 @@ endif
 endif
 
 KBUILD_CFLAGS += $(call cc-option,-Wno-format-nonliteral)
+KBUILD_CFLAGS += $(call cc-disable-warning, address-of-packed-member)
+
 ifeq ($(cc-name),clang)
 KBUILD_CPPFLAGS += $(call cc-option,-Qunused-arguments,)
 KBUILD_CFLAGS += $(call cc-disable-warning, format-invalid-specifier)
 KBUILD_CFLAGS += $(call cc-disable-warning, gnu)
 KBUILD_CFLAGS += $(call cc-disable-warning, address-of-packed-member)
+# Quiet clang warning: comparison of unsigned expression < 0 is always false
+KBUILD_CFLAGS += $(call cc-disable-warning, tautological-compare)
+# CLANG uses a _MergedGlobals as optimization, but this breaks modpost, as the
+# source of a reference will be _MergedGlobals and not on of the whitelisted names.
+# See modpost pattern 2
+KBUILD_CFLAGS += $(call cc-option, -mno-global-merge,)
 KBUILD_CFLAGS += $(call cc-option, -fcatch-undefined-behavior)
+else
+
+# These warnings generated too much noise in a regular build.
+# Use make W=1 to enable them (see scripts/Makefile.extrawarn)
+KBUILD_CFLAGS += $(call cc-disable-warning, unused-but-set-variable)
 endif
 
 # turn jbsr into jsr for m68k
@@ -700,16 +742,17 @@ KBUILD_CFLAGS += $(KCFLAGS)
 # Use UBOOTINCLUDE when you must reference the include/ directory.
 # Needed to be compatible with the O= option
 UBOOTINCLUDE    := \
-		-Iinclude \
-		$(if $(KBUILD_SRC), -I$(srctree)/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
+	-Iinclude \
+	$(if $(KBUILD_SRC), -I$(srctree)/include) \
+	$(if $(CONFIG_$(SPL_)SYS_THUMB_BUILD), \
+		$(if $(CONFIG_HAS_THUMB2), \
+			$(if $(CONFIG_CPU_V7M), \
+				-I$(srctree)/arch/arm/thumb1/include), \
+			-I$(srctree)/arch/arm/thumb1/include)) \
+	-I$(srctree)/arch/$(ARCH)/include \
+	-include $(srctree)/include/linux/kconfig.h
 
 NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include)
-CHECKFLAGS     += $(NOSTDINC_FLAGS)
 
 # FIX ME
 cpp_flags := $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) $(UBOOTINCLUDE) \
@@ -731,11 +774,6 @@ libs-y += drivers/
 libs-y += drivers/dma/
 libs-y += drivers/gpio/
 libs-y += drivers/i2c/
-libs-y += drivers/mtd/
-libs-$(CONFIG_CMD_NAND) += drivers/mtd/nand/raw/
-libs-y += drivers/mtd/onenand/
-libs-$(CONFIG_CMD_UBI) += drivers/mtd/ubi/
-libs-y += drivers/mtd/spi/
 libs-y += drivers/net/
 libs-y += drivers/net/phy/
 libs-y += drivers/power/ \
@@ -767,7 +805,9 @@ libs-y += cmd/
 libs-y += common/
 libs-y += env/
 libs-$(CONFIG_API) += api/
-libs-$(CONFIG_HAS_POST) += post/
+ifdef CONFIG_POST
+libs-y += post/
+endif
 libs-$(CONFIG_UNIT_TEST) += test/ test/dm/
 libs-$(CONFIG_UT_ENV) += test/env/
 libs-$(CONFIG_UT_OPTEE) += test/optee/
@@ -905,7 +945,7 @@ ifneq ($(CONFIG_BUILD_TARGET),)
 ALL-y += $(CONFIG_BUILD_TARGET:"%"=%)
 endif
 
-ifdef CONFIG_INIT_SP_RELATIVE
+ifeq ($(CONFIG_INIT_SP_RELATIVE)$(CONFIG_OF_SEPARATE),yy)
 ALL-y += init_sp_bss_offset_check
 endif
 
@@ -913,8 +953,8 @@ ifeq ($(CONFIG_MPC85xx)$(CONFIG_OF_SEPARATE),yy)
 ALL-y += u-boot-with-dtb.bin
 endif
 
-ifeq ($(CONFIG_ARCH_ROCKCHIP)$(CONFIG_SPL)$(CONFIG_TPL),yyy)
-ALL-y += idbloader.img
+ifeq ($(CONFIG_ARCH_ROCKCHIP)$(CONFIG_SPL),yy)
+ALL-y += u-boot-rockchip.bin
 endif
 
 LDFLAGS_u-boot += $(LDFLAGS_FINAL)
@@ -926,6 +966,12 @@ ifeq ($(CONFIG_ARC)$(CONFIG_NIOS2)$(CONFIG_X86)$(CONFIG_XTENSA),)
 LDFLAGS_u-boot += -Ttext $(CONFIG_SYS_TEXT_BASE)
 endif
 
+# insure the checker run with the right endianness
+CHECKFLAGS += $(if $(CONFIG_CPU_BIG_ENDIAN),-mbig-endian,-mlittle-endian)
+
+# the checker needs the correct machine size
+CHECKFLAGS += $(if $(CONFIG_64BIT),-m64,-m32)
+
 # Normally we fill empty space with 0xff
 quiet_cmd_objcopy = OBJCOPY $@
 cmd_objcopy = $(OBJCOPY) --gap-fill=0xff $(OBJCOPYFLAGS) \
@@ -985,7 +1031,7 @@ ifneq ($(CONFIG_DM_MMC)$(CONFIG_OF_CONTROL)$(CONFIG_BLK),yyy)
 	@echo >&2 "This board does not use CONFIG_DM_MMC. Please update"
 	@echo >&2 "the board to use CONFIG_DM_MMC before the v2019.04 release."
 	@echo >&2 "Failure to update by the deadline may result in board removal."
-	@echo >&2 "See doc/driver-model/MIGRATION.txt for more info."
+	@echo >&2 "See doc/driver-model/migration.rst for more info."
 	@echo >&2 "===================================================="
 endif
 endif
@@ -995,7 +1041,7 @@ ifneq ($(CONFIG_DM_USB)$(CONFIG_OF_CONTROL)$(CONFIG_BLK),yyy)
 	@echo >&2 "This board does not use CONFIG_DM_USB. Please update"
 	@echo >&2 "the board to use CONFIG_DM_USB before the v2019.07 release."
 	@echo >&2 "Failure to update by the deadline may result in board removal."
-	@echo >&2 "See doc/driver-model/MIGRATION.txt for more info."
+	@echo >&2 "See doc/driver-model/migration.rst for more info."
 	@echo >&2 "===================================================="
 endif
 endif
@@ -1006,7 +1052,7 @@ ifeq ($(CONFIG_MVSATA_IDE),y)
 	@echo >&2 "controller driver to use CONFIG_AHCI before the v2019.07"
 	@echo >&2 "release."
 	@echo >&2 "Failure to update by the deadline may result in board removal."
-	@echo >&2 "See doc/driver-model/MIGRATION.txt for more info."
+	@echo >&2 "See doc/driver-model/migration.rst for more info."
 	@echo >&2 "===================================================="
 endif
 ifeq ($(CONFIG_LIBATA),y)
@@ -1016,7 +1062,7 @@ ifneq ($(CONFIG_AHCI),y)
 	@echo >&2 "enabled. Please update the storage controller driver to use"
 	@echo >&2 "CONFIG_AHCI before the v2019.07 release."
 	@echo >&2 "Failure to update by the deadline may result in board removal."
-	@echo >&2 "See doc/driver-model/MIGRATION.txt for more info."
+	@echo >&2 "See doc/driver-model/migration.rst for more info."
 	@echo >&2 "===================================================="
 endif
 endif
@@ -1026,7 +1072,7 @@ ifneq ($(CONFIG_DM_PCI),y)
 	@echo >&2 "This board does not use CONFIG_DM_PCI Please update"
 	@echo >&2 "the board to use CONFIG_DM_PCI before the v2019.07 release."
 	@echo >&2 "Failure to update by the deadline may result in board removal."
-	@echo >&2 "See doc/driver-model/MIGRATION.txt for more info."
+	@echo >&2 "See doc/driver-model/migration.rst for more info."
 	@echo >&2 "===================================================="
 endif
 endif
@@ -1036,7 +1082,7 @@ ifneq ($(CONFIG_DM_VIDEO),y)
 	@echo >&2 "This board does not use CONFIG_DM_VIDEO Please update"
 	@echo >&2 "the board to use CONFIG_DM_VIDEO before the v2019.07 release."
 	@echo >&2 "Failure to update by the deadline may result in board removal."
-	@echo >&2 "See doc/driver-model/MIGRATION.txt for more info."
+	@echo >&2 "See doc/driver-model/migration.rst for more info."
 	@echo >&2 "===================================================="
 endif
 endif
@@ -1054,7 +1100,7 @@ ifneq ($(CONFIG_DM_SPI_FLASH)$(CONFIG_OF_CONTROL),yy)
 	@echo >&2 "This board does not use CONFIG_DM_SPI_FLASH. Please update"
 	@echo >&2 "the board to use CONFIG_SPI_FLASH before the v2019.07 release."
 	@echo >&2 "Failure to update by the deadline may result in board removal."
-	@echo >&2 "See doc/driver-model/MIGRATION.txt for more info."
+	@echo >&2 "See doc/driver-model/migration.rst for more info."
 	@echo >&2 "===================================================="
 endif
 endif
@@ -1065,7 +1111,7 @@ ifneq ($(CONFIG_WDT),y)
 	@echo >&2 "Please update the board to use CONFIG_WDT before the"
 	@echo >&2 "v2019.10 release."
 	@echo >&2 "Failure to update by the deadline may result in board removal."
-	@echo >&2 "See doc/driver-model/MIGRATION.txt for more info."
+	@echo >&2 "See doc/driver-model/migration.rst for more info."
 	@echo >&2 "===================================================="
 endif
 endif
@@ -1210,7 +1256,7 @@ binary_size_check: u-boot-nodtb.bin FORCE
 		fi \
 	fi
 
-ifdef CONFIG_INIT_SP_RELATIVE
+ifeq ($(CONFIG_INIT_SP_RELATIVE)$(CONFIG_OF_SEPARATE),yy)
 ifneq ($(CONFIG_SYS_MALLOC_F_LEN),)
 subtract_sys_malloc_f_len = space=$$(($${space} - $(CONFIG_SYS_MALLOC_F_LEN)))
 else
@@ -1270,7 +1316,7 @@ u-boot.ldr.hex u-boot.ldr.srec: u-boot.ldr FORCE
 # from the SPL U-Boot version.
 #
 ifndef CONFIG_SYS_UBOOT_START
-CONFIG_SYS_UBOOT_START := 0
+CONFIG_SYS_UBOOT_START := $(CONFIG_SYS_TEXT_BASE)
 endif
 
 # Boards with more complex image requirements can provide an .its source file
@@ -1297,7 +1343,8 @@ 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) \
 	-p $(CONFIG_FIT_EXTERNAL_OFFSET) \
 	-n "U-Boot $(UBOOTRELEASE) for $(BOARD) board" -E \
-	$(patsubst %,-b arch/$(ARCH)/dts/%.dtb,$(subst ",,$(CONFIG_OF_LIST)))
+	$(patsubst %,-b arch/$(ARCH)/dts/%.dtb,$(subst ",,$(CONFIG_OF_LIST))) \
+	$(patsubst %,-b arch/$(ARCH)/dts/%.dtbo,$(subst ",,$(CONFIG_OF_OVERLAY_LIST)))
 else
 MKIMAGEFLAGS_u-boot.img = -A $(ARCH) -T firmware -C none -O u-boot \
 	-a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \
@@ -1306,7 +1353,6 @@ MKIMAGEFLAGS_u-boot-ivt.img = -A $(ARCH) -T firmware_ivt -C none -O u-boot \
 	-a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \
 	-n "U-Boot $(UBOOTRELEASE) for $(BOARD) board"
 u-boot-ivt.img: MKIMAGEOUTPUT = u-boot-ivt.img.log
-CLEAN_FILES += u-boot-ivt.img.log u-boot-dtb.imx.log SPL.log u-boot.imx.log
 endif
 
 MKIMAGEFLAGS_u-boot-dtb.img = $(MKIMAGEFLAGS_u-boot.img)
@@ -1380,13 +1426,39 @@ u-boot-with-spl.bin: $(SPL_IMAGE) $(SPL_PAYLOAD) FORCE
 	$(call if_changed,pad_cat)
 
 ifeq ($(CONFIG_ARCH_ROCKCHIP),y)
-MKIMAGEFLAGS_u-boot-tpl.img = -n $(CONFIG_SYS_SOC) -T rksd
-tpl/u-boot-tpl.img: tpl/u-boot-tpl.bin FORCE
+
+# rockchip image type
+ifeq ($(CONFIG_SPL_SPI_LOAD),y)
+ROCKCHIP_IMG_TYPE := rkspi
+else
+ROCKCHIP_IMG_TYPE := rksd
+endif
+
+# TPL + SPL
+ifeq ($(CONFIG_SPL)$(CONFIG_TPL),yy)
+MKIMAGEFLAGS_u-boot-tpl-rockchip.bin = -n $(CONFIG_SYS_SOC) -T $(ROCKCHIP_IMG_TYPE)
+tpl/u-boot-tpl-rockchip.bin: tpl/u-boot-tpl.bin FORCE
 	$(call if_changed,mkimage)
-idbloader.img: tpl/u-boot-tpl.img spl/u-boot-spl.bin FORCE
+idbloader.img: tpl/u-boot-tpl-rockchip.bin spl/u-boot-spl.bin FORCE
 	$(call if_changed,cat)
+else
+MKIMAGEFLAGS_idbloader.img = -n $(CONFIG_SYS_SOC) -T $(ROCKCHIP_IMG_TYPE)
+idbloader.img: spl/u-boot-spl.bin FORCE
+	$(call if_changed,mkimage)
 endif
 
+ifeq ($(CONFIG_ARM64),)
+u-boot-rockchip.bin: idbloader.img u-boot.img FORCE
+	$(call if_changed,binman)
+else
+OBJCOPYFLAGS_u-boot-rockchip.bin = -I binary -O binary \
+	--pad-to=$(CONFIG_SPL_PAD_TO) --gap-fill=0xff
+u-boot-rockchip.bin: idbloader.img u-boot.itb FORCE
+	$(call if_changed,pad_cat)
+endif # CONFIG_ARM64
+
+endif # CONFIG_ARCH_ROCKCHIP
+
 ifeq ($(CONFIG_ARCH_LPC32XX)$(CONFIG_SPL),yy)
 MKIMAGEFLAGS_lpc32xx-spl.img = -T lpc32xximage -a $(CONFIG_SPL_TEXT_BASE)
 
@@ -1406,7 +1478,6 @@ lpc32xx-boot-1.bin: lpc32xx-spl.img FORCE
 lpc32xx-full.bin: lpc32xx-boot-0.bin lpc32xx-boot-1.bin u-boot.img FORCE
 	$(call if_changed,cat)
 
-CLEAN_FILES += lpc32xx-*
 endif
 
 OBJCOPYFLAGS_u-boot-with-tpl.bin = -I binary -O binary \
@@ -1624,18 +1695,17 @@ 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.
-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)=$(CONFIG_SYS_TEXT_BASE) \
+	-T u-boot-elf.lds --defsym=$(CONFIG_PLATFORM_ELFENTRY)=$(CONFIG_SYS_TEXT_BASE) \
 	-Ttext=$(CONFIG_SYS_TEXT_BASE)
-u-boot.elf: u-boot.bin
+u-boot.elf: u-boot.bin u-boot-elf.lds
 	$(Q)$(OBJCOPY) -I binary $(PLATFORM_ELFFLAGS) $< u-boot-elf.o
 	$(call if_changed,u-boot-elf)
 
+u-boot-elf.lds: arch/u-boot-elf.lds prepare FORCE
+	$(call if_changed_dep,cpp_lds)
+
 # MediaTek's ARM-based u-boot needs a header to contains its load address
 # which is parsed by the BootROM.
 # If the SPL build is enabled, the header will be added to the spl binary,
@@ -1661,7 +1731,7 @@ ARCH_POSTLINK := $(wildcard $(srctree)/arch/$(ARCH)/Makefile.postlink)
 # Rule to link u-boot
 # May be overridden by arch/$(ARCH)/config.mk
 quiet_cmd_u-boot__ ?= LD      $@
-      cmd_u-boot__ ?= $(LD) $(LDFLAGS) $(LDFLAGS_u-boot) -o $@ \
+      cmd_u-boot__ ?= $(LD) $(KBUILD_LDFLAGS) $(LDFLAGS_u-boot) -o $@ \
       -T u-boot.lds $(u-boot-init)                             \
       --start-group $(u-boot-main) --end-group                 \
       $(PLATFORM_LIBS) -Map u-boot.map;                        \
@@ -1694,7 +1764,7 @@ u-boot.sym: u-boot FORCE
 # make sure no implicit rule kicks in
 $(sort $(u-boot-init) $(u-boot-main)): $(u-boot-dirs) ;
 
-# Handle descending into subdirectories listed in $(vmlinux-dirs)
+# Handle descending into subdirectories listed in $(u-boot-dirs)
 # Preset locale variables to speed up the build process. Limit locale
 # tweaks to this spot to avoid wrong language settings when running
 # make menuconfig etc.
@@ -1745,7 +1815,7 @@ endif
 # prepare2 creates a makefile if using a separate output directory
 prepare2: prepare3 outputmakefile cfg
 
-prepare1: prepare2 $(version_h) $(timestamp_h) \
+prepare1: prepare2 $(version_h) $(timestamp_h) $(dt_h) \
                    include/config/auto.conf
 ifeq ($(wildcard $(LDSCRIPT)),)
 	@echo >&2 "  Could not find linker script."
@@ -1807,16 +1877,27 @@ define filechk_defaultenv.h
 	(grep -v '^#' | \
 	 grep -v '^$$' | \
 	 tr '\n' '\0' | \
-	 sed -e 's/\\\x0/\n/g' | \
+	 sed -e 's/\\\x0\s*//g' | \
 	 xxd -i ; echo ", 0x00" ; )
 endef
 
+define filechk_dt.h
+	(if test -n "$${DEVICE_TREE}"; then \
+		echo \#define DEVICE_TREE \"$(DEVICE_TREE)\"; \
+	else \
+		echo \#define DEVICE_TREE CONFIG_DEFAULT_DEVICE_TREE; \
+	fi)
+endef
+
 $(version_h): include/config/uboot.release FORCE
 	$(call filechk,version.h)
 
 $(timestamp_h): $(srctree)/Makefile FORCE
 	$(call filechk,timestamp.h)
 
+$(dt_h): $(srctree)/Makefile FORCE
+	$(call filechk,dt.h)
+
 $(defaultenv_h): $(CONFIG_DEFAULT_ENV_FILE:"%"=%) FORCE
 	$(call filechk,defaultenv.h)
 
@@ -1896,6 +1977,7 @@ checkarmreloc: u-boot
 	fi
 
 tools/version.h: include/version.h
+	$(Q)mkdir -p $(dir $@)
 	$(call if_changed,copy)
 
 envtools: scripts_basic $(version_h) $(timestamp_h) tools/version.h
@@ -1931,7 +2013,10 @@ CLEAN_DIRS  += $(MODVERDIR) \
 			$(filter-out include, $(shell ls -1 $d 2>/dev/null))))
 
 CLEAN_FILES += include/bmp_logo.h include/bmp_logo_data.h tools/version.h \
-	       boot* u-boot* MLO* SPL System.map fit-dtb.blob*
+	       boot* u-boot* MLO* SPL System.map fit-dtb.blob* \
+	       u-boot-ivt.img.log u-boot-dtb.imx.log SPL.log u-boot.imx.log \
+	       lpc32xx-* bl31.c bl31.elf bl31_*.bin image.map tispl.bin* \
+	       idbloader.img flash.bin flash.log
 
 # Directories & files removed with 'make mrproper'
 MRPROPER_DIRS  += include/config include/generated spl tpl \
@@ -1961,12 +2046,12 @@ clean: $(clean-dirs)
 		-o -name '*.ko.*' -o -name '*.su' -o -name '*.pyc' \
 		-o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \
 		-o -name '*.lex.c' -o -name '*.tab.[ch]' \
+		-o -name '*.asn1.[ch]' \
 		-o -name '*.symtypes' -o -name 'modules.order' \
 		-o -name modules.builtin -o -name '.tmp_*.o.*' \
 		-o -name 'dsdt.aml' -o -name 'dsdt.asl.tmp' -o -name 'dsdt.c' \
 		-o -name '*.efi' -o -name '*.gcno' -o -name '*.so' \) \
-		-type f -print | xargs rm -f \
-		bl31.c bl31.elf bl31_*.bin image.map tispl.bin*
+		-type f -print | xargs rm -f
 
 # mrproper - Delete all generated files, including .config
 #
@@ -2156,8 +2241,7 @@ quiet_cmd_rmfiles = $(if $(wildcard $(rm-files)),CLEAN   $(wildcard $(rm-files))
 
 # read all saved command lines
 
-targets := $(wildcard $(sort $(targets)))
-cmd_files := $(wildcard .*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd))
+cmd_files := $(wildcard .*.cmd $(foreach f,$(sort $(targets)),$(dir $(f)).$(notdir $(f)).cmd))
 
 ifneq ($(cmd_files),)
   $(cmd_files): ;	# Do not try to update included dependency files
@@ -2169,6 +2253,6 @@ endif	# skip-makefile
 PHONY += FORCE
 FORCE:
 
-# Declare the contents of the .PHONY variable as phony.  We keep that
+# Declare the contents of the PHONY variable as phony.  We keep that
 # information in a variable so we can use it in if_changed and friends.
 .PHONY: $(PHONY)