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-rw-r--r--roms/u-boot/scripts/Makefile.spl583
1 files changed, 583 insertions, 0 deletions
diff --git a/roms/u-boot/scripts/Makefile.spl b/roms/u-boot/scripts/Makefile.spl
new file mode 100644
index 000000000..5be1a9ba1
--- /dev/null
+++ b/roms/u-boot/scripts/Makefile.spl
@@ -0,0 +1,583 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# (C) Copyright 2000-2011
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# (C) Copyright 2011
+# Daniel Schwierzeck, daniel.schwierzeck@googlemail.com.
+#
+# (C) Copyright 2011
+# Texas Instruments Incorporated - http://www.ti.com/
+# Aneesh V <aneesh@ti.com>
+# Based on top-level Makefile.
+#
+
+src := $(obj)
+
+# Create output directory if not already present
+_dummy := $(shell [ -d $(obj) ] || mkdir -p $(obj))
+
+include $(srctree)/scripts/Kbuild.include
+
+-include include/config/auto.conf
+-include $(obj)/include/autoconf.mk
+
+UBOOTINCLUDE := -I$(obj)/include $(UBOOTINCLUDE)
+
+KBUILD_CPPFLAGS += -DCONFIG_SPL_BUILD
+ifeq ($(CONFIG_TPL_BUILD),y)
+KBUILD_CPPFLAGS += -DCONFIG_TPL_BUILD
+endif
+
+ifeq ($(CONFIG_TPL_BUILD),y)
+SPL_BIN := u-boot-tpl
+SPL_NAME := tpl
+else
+SPL_BIN := u-boot-spl
+SPL_NAME := spl
+endif
+
+export SPL_NAME
+
+ifdef CONFIG_SPL_BUILD
+SPL_ := SPL_
+ifeq ($(CONFIG_TPL_BUILD),y)
+SPL_TPL_ := TPL_
+else
+SPL_TPL_ := SPL_
+endif
+else
+SPL_ :=
+SPL_TPL_ :=
+endif
+
+ifeq ($(obj)$(CONFIG_SUPPORT_SPL),spl)
+$(error You cannot build SPL without enabling CONFIG_SUPPORT_SPL)
+endif
+ifeq ($(obj)$(CONFIG_SUPPORT_TPL),tpl)
+$(error You cannot build TPL without enabling CONFIG_SUPPORT_TPL)
+endif
+
+include $(srctree)/config.mk
+include $(srctree)/arch/$(ARCH)/Makefile
+
+include $(srctree)/scripts/Makefile.lib
+
+# Enable garbage collection of un-used sections for SPL
+KBUILD_CFLAGS += -ffunction-sections -fdata-sections
+LDFLAGS_FINAL += --gc-sections
+
+ifeq ($(CONFIG_$(SPL_TPL_)STACKPROTECTOR),y)
+KBUILD_CFLAGS += -fstack-protector-strong
+else
+KBUILD_CFLAGS += -fno-stack-protector
+endif
+
+# FIX ME
+cpp_flags := $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) $(UBOOTINCLUDE) \
+ $(NOSTDINC_FLAGS)
+c_flags := $(KBUILD_CFLAGS) $(cpp_flags)
+
+HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n)
+
+libs-y += $(if $(BOARDDIR),board/$(BOARDDIR)/)
+libs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/
+
+ifeq ($(CONFIG_TPL_BUILD),y)
+libs-$(CONFIG_TPL_FRAMEWORK) += common/spl/
+else
+libs-$(CONFIG_SPL_FRAMEWORK) += common/spl/
+endif
+libs-y += common/init/
+
+# Special handling for a few options which support SPL/TPL
+ifeq ($(CONFIG_TPL_BUILD),y)
+libs-$(CONFIG_TPL_LIBCOMMON_SUPPORT) += common/ cmd/ env/
+libs-$(CONFIG_TPL_LIBGENERIC_SUPPORT) += lib/
+else
+libs-$(CONFIG_SPL_LIBCOMMON_SUPPORT) += common/ cmd/ env/
+libs-$(CONFIG_SPL_LIBGENERIC_SUPPORT) += lib/
+ifdef CONFIG_SPL_FRAMEWORK
+libs-$(CONFIG_PARTITIONS) += disk/
+endif
+endif
+
+libs-y += drivers/
+libs-$(CONFIG_SPL_USB_GADGET) += drivers/usb/dwc3/
+libs-$(CONFIG_SPL_USB_GADGET) += drivers/usb/cdns3/
+libs-y += dts/
+libs-y += fs/
+libs-$(CONFIG_SPL_POST_MEM_SUPPORT) += post/drivers/
+libs-$(CONFIG_SPL_NET_SUPPORT) += net/
+libs-$(CONFIG_SPL_UNIT_TEST) += test/
+
+head-y := $(addprefix $(obj)/,$(head-y))
+libs-y := $(addprefix $(obj)/,$(libs-y))
+u-boot-spl-dirs := $(patsubst %/,%,$(filter %/, $(libs-y)))
+
+libs-y := $(patsubst %/, %/built-in.o, $(libs-y))
+
+# Add GCC lib
+ifeq ($(CONFIG_USE_PRIVATE_LIBGCC),y)
+PLATFORM_LIBGCC = arch/$(ARCH)/lib/lib.a
+PLATFORM_LIBS := $(filter-out %/lib.a, $(filter-out -lgcc, $(PLATFORM_LIBS))) $(PLATFORM_LIBGCC)
+endif
+
+u-boot-spl-init := $(head-y)
+u-boot-spl-main := $(libs-y)
+ifdef CONFIG_$(SPL_TPL_)OF_PLATDATA
+platdata-hdr := include/generated/dt-structs-gen.h include/generated/dt-decl.h
+platdata-inst := $(obj)/dts/dt-uclass.o $(obj)/dts/dt-device.o
+platdata-noinst := $(obj)/dts/dt-plat.o
+
+ifdef CONFIG_$(SPL_TPL_)OF_PLATDATA_INST
+u-boot-spl-platdata := $(platdata-inst)
+u-boot-spl-old-platdata := $(platdata-noinst)
+else
+u-boot-spl-platdata := $(platdata-noinst)
+u-boot-spl-old-platdata := $(platdata-inst)
+endif
+
+# Files we need to generate
+u-boot-spl-platdata_c := $(patsubst %.o,%.c,$(u-boot-spl-platdata))
+
+# Files we won't generate and should remove
+u-boot-spl-old-platdata_c := $(patsubst %.o,%.c,$(u-boot-spl-old-platdata))
+endif # OF_PLATDATA
+
+# Linker Script
+# First test whether there's a linker-script for the specific stage defined...
+ifneq ($(CONFIG_$(SPL_TPL_)LDSCRIPT),)
+# need to strip off double quotes
+LDSCRIPT := $(addprefix $(srctree)/,$(CONFIG_$(SPL_TPL_)LDSCRIPT:"%"=%))
+else
+# ...then fall back to the generic SPL linker-script
+ifneq ($(CONFIG_SPL_LDSCRIPT),)
+# need to strip off double quotes
+LDSCRIPT := $(addprefix $(srctree)/,$(CONFIG_SPL_LDSCRIPT:"%"=%))
+endif
+endif
+
+ifeq ($(wildcard $(LDSCRIPT)),)
+ LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot-spl.lds
+endif
+ifeq ($(wildcard $(LDSCRIPT)),)
+ LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot-spl.lds
+endif
+ifeq ($(wildcard $(LDSCRIPT)),)
+ LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot-spl.lds
+endif
+ifeq ($(wildcard $(LDSCRIPT)),)
+$(error could not find linker script)
+endif
+
+# Special flags for CPP when processing the linker script.
+# Pass the version down so we can handle backwards compatibility
+# on the fly.
+LDPPFLAGS += \
+ -include $(srctree)/include/u-boot/u-boot.lds.h \
+ -include $(objtree)/include/config.h \
+ -DCPUDIR=$(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')
+
+# Turn various CONFIG symbols into IMAGE symbols for easy reuse of
+# the scripts between SPL and TPL.
+ifneq ($(CONFIG_$(SPL_TPL_)MAX_SIZE),)
+LDPPFLAGS += -DIMAGE_MAX_SIZE=$(CONFIG_$(SPL_TPL_)MAX_SIZE)
+endif
+ifneq ($(CONFIG_$(SPL_TPL_)TEXT_BASE),)
+LDPPFLAGS += -DIMAGE_TEXT_BASE=$(CONFIG_$(SPL_TPL_)TEXT_BASE)
+endif
+
+MKIMAGEOUTPUT ?= /dev/null
+
+quiet_cmd_mkimage = MKIMAGE $@
+cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \
+ >$(MKIMAGEOUTPUT) $(if $(KBUILD_VERBOSE:0=), && cat $(MKIMAGEOUTPUT))
+
+quiet_cmd_mkfitimage = MKIMAGE $@
+cmd_mkfitimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -f $(SPL_ITS) -E $@ \
+ $(if $(KBUILD_VERBOSE:1=), MKIMAGEOUTPUT)
+
+MKIMAGEFLAGS_MLO = -T omapimage -a $(CONFIG_SPL_TEXT_BASE)
+
+MKIMAGEFLAGS_MLO.byteswap = -T omapimage -n byteswap -a $(CONFIG_SPL_TEXT_BASE)
+
+MLO MLO.byteswap: $(obj)/u-boot-spl.bin FORCE
+ $(call if_changed,mkimage)
+
+ifeq ($(CONFIG_SYS_SOC),"at91")
+MKIMAGEFLAGS_boot.bin = -T atmelimage
+
+ifeq ($(CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER),y)
+MKIMAGEFLAGS_boot.bin += -n $(shell $(obj)/../tools/atmel_pmecc_params)
+
+$(obj)/boot.bin: $(obj)/../tools/atmel_pmecc_params
+endif
+
+$(obj)/boot.bin: $(obj)/u-boot-spl.bin FORCE
+ $(call if_changed,mkimage)
+else
+ifdef CONFIG_ARCH_ZYNQ
+MKIMAGEFLAGS_boot.bin = -T zynqimage -R $(srctree)/$(CONFIG_BOOT_INIT_FILE)
+endif
+ifdef CONFIG_ARCH_ZYNQMP
+ifneq ($(CONFIG_PMUFW_INIT_FILE),"")
+spl/boot.bin: zynqmp-check-pmufw
+zynqmp-check-pmufw: FORCE
+ ( cd $(srctree) && test -r $(CONFIG_PMUFW_INIT_FILE) ) \
+ || ( echo "Cannot read $(CONFIG_PMUFW_INIT_FILE)" && false )
+endif
+MKIMAGEFLAGS_boot.bin = -T zynqmpimage -R $(srctree)/$(CONFIG_BOOT_INIT_FILE) \
+ -n "$(shell cd $(srctree); readlink -f $(CONFIG_PMUFW_INIT_FILE))"
+endif
+
+$(obj)/$(SPL_BIN)-align.bin: $(obj)/$(SPL_BIN).bin
+ @dd if=$< of=$@ conv=block,sync bs=4 2>/dev/null;
+
+spl/boot.bin: $(obj)/$(SPL_BIN)-align.bin FORCE
+ $(call if_changed,mkimage)
+endif
+
+INPUTS-y += $(obj)/$(SPL_BIN).bin $(obj)/$(SPL_BIN).sym
+
+ifdef CONFIG_SAMSUNG
+INPUTS-y += $(obj)/$(BOARD)-spl.bin
+endif
+
+ifneq ($(CONFIG_TARGET_SOCFPGA_GEN5)$(CONFIG_TARGET_SOCFPGA_ARRIA10),)
+INPUTS-y += $(obj)/$(SPL_BIN).sfp
+endif
+
+INPUTS-$(CONFIG_TARGET_SOCFPGA_SOC64) += $(obj)/u-boot-spl-dtb.hex
+
+ifdef CONFIG_ARCH_SUNXI
+INPUTS-y += $(obj)/sunxi-spl.bin
+
+ifdef CONFIG_NAND_SUNXI
+INPUTS-y += $(obj)/sunxi-spl-with-ecc.bin
+endif
+endif
+
+ifeq ($(CONFIG_SYS_SOC),"at91")
+INPUTS-y += $(obj)/boot.bin
+endif
+
+ifdef CONFIG_TPL_BUILD
+INPUTS-$(CONFIG_TPL_X86_16BIT_INIT) += $(obj)/u-boot-x86-start16-tpl.bin \
+ $(obj)/u-boot-x86-reset16-tpl.bin
+else
+INPUTS-$(CONFIG_SPL_X86_16BIT_INIT) += $(obj)/u-boot-x86-start16-spl.bin \
+ $(obj)/u-boot-x86-reset16-spl.bin
+endif
+
+INPUTS-$(CONFIG_ARCH_ZYNQ) += $(obj)/boot.bin
+INPUTS-$(CONFIG_ARCH_ZYNQMP) += $(obj)/boot.bin
+
+INPUTS-$(CONFIG_ARCH_MEDIATEK) += $(obj)/u-boot-spl-mtk.bin
+
+all: $(INPUTS-y)
+
+quiet_cmd_cat = CAT $@
+cmd_cat = cat $(filter-out $(PHONY), $^) > $@
+
+quiet_cmd_copy = COPY $@
+ cmd_copy = cp $< $@
+
+ifneq ($(CONFIG_SPL_MULTI_DTB_FIT),y)
+FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).dtb
+else ifeq ($(CONFIG_SPL_MULTI_DTB_FIT_LZO),y)
+FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).multidtb.fit.lzo
+else ifeq ($(CONFIG_SPL_MULTI_DTB_FIT_GZIP),y)
+FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).multidtb.fit.gz
+else
+FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).multidtb.fit
+endif
+
+# Build the .dtb file if:
+# - we are not using OF_PLATDATA
+# - we are using OF_CONTROL
+# - we have either OF_SEPARATE or OF_HOSTFILE
+build_dtb :=
+ifeq ($(CONFIG_$(SPL_TPL_)OF_PLATDATA),)
+ifneq ($(CONFIG_$(SPL_TPL_)OF_CONTROL),)
+ifeq ($(CONFIG_OF_SEPARATE)$(CONFIG_OF_HOSTFILE),y)
+build_dtb := y
+endif
+endif
+endif
+
+ifneq ($(build_dtb),)
+$(obj)/$(SPL_BIN)-dtb.bin: $(obj)/$(SPL_BIN)-nodtb.bin \
+ $(if $(CONFIG_SPL_SEPARATE_BSS),,$(obj)/$(SPL_BIN)-pad.bin) \
+ $(FINAL_DTB_CONTAINER) FORCE
+ $(call if_changed,cat)
+
+$(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN)-dtb.bin FORCE
+ $(call if_changed,copy)
+else
+$(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN)-nodtb.bin FORCE
+ $(call if_changed,copy)
+endif
+
+# Create a file that pads from the end of u-boot-spl-nodtb.bin to bss_end
+$(obj)/$(SPL_BIN)-pad.bin: $(obj)/$(SPL_BIN)
+ @bss_size_str=$(shell $(NM) $< | awk 'BEGIN {size = 0} /__bss_size/ {size = $$1} END {print "ibase=16; " toupper(size)}' | bc); \
+ dd if=/dev/zero of=$@ bs=1 count=$${bss_size_str} 2>/dev/null;
+
+$(obj)/$(SPL_BIN).dtb: $(obj)/dts/dt-$(SPL_NAME).dtb FORCE
+ $(call if_changed,copy)
+
+pythonpath = PYTHONPATH=scripts/dtc/pylibfdt
+
+DTOC_ARGS := $(pythonpath) $(srctree)/tools/dtoc/dtoc \
+ -d $(obj)/$(SPL_BIN).dtb -p $(SPL_NAME)
+
+ifneq ($(CONFIG_$(SPL_TPL_)OF_PLATDATA_INST),)
+DTOC_ARGS += -i
+endif
+
+quiet_cmd_dtoc = DTOC $@
+cmd_dtoc = $(DTOC_ARGS) -c $(obj)/dts -C include/generated all
+
+quiet_cmd_plat = PLAT $@
+cmd_plat = $(CC) $(c_flags) -c $< -o $(filter-out $(PHONY),$@)
+
+$(obj)/dts/dt-%.o: $(obj)/dts/dt-%.c $(platdata-hdr)
+ $(call if_changed,plat)
+
+# Don't use dts_dir here, since it forces running this expensive rule every time
+$(platdata-hdr) $(u-boot-spl-platdata_c) &: $(obj)/$(SPL_BIN).dtb
+ @[ -d $(obj)/dts ] || mkdir -p $(obj)/dts
+ @# Remove old files since which ones we generate depends on the setting
+ @# of OF_PLATDATA_INST and this might change between builds. Leaving old
+ @# ones around is confusing and it is possible that switching the
+ @# setting again will use the old one instead of regenerating it.
+ @rm -f $(u-boot-spl-all-platdata_c) $(u-boot-spl-all-platdata)
+ $(call if_changed,dtoc)
+
+ifdef CONFIG_SAMSUNG
+ifdef CONFIG_VAR_SIZE_SPL
+VAR_SIZE_PARAM = --vs
+else
+VAR_SIZE_PARAM =
+endif
+$(obj)/$(BOARD)-spl.bin: $(obj)/u-boot-spl.bin
+ $(if $(wildcard $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl),\
+ $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl,\
+ $(objtree)/tools/mkexynosspl) $(VAR_SIZE_PARAM) $< $@
+endif
+
+quiet_cmd_objcopy = OBJCOPY $@
+cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@
+
+OBJCOPYFLAGS_$(SPL_BIN)-nodtb.bin = $(SPL_OBJCFLAGS) -O binary \
+ $(if $(CONFIG_$(SPL_TPL_)X86_16BIT_INIT),-R .start16 -R .resetvec)
+
+$(obj)/$(SPL_BIN)-nodtb.bin: $(obj)/$(SPL_BIN) FORCE
+ $(call if_changed,objcopy)
+
+OBJCOPYFLAGS_u-boot-x86-start16-spl.bin := -O binary -j .start16
+$(obj)/u-boot-x86-start16-spl.bin: $(obj)/u-boot-spl FORCE
+ $(call if_changed,objcopy)
+
+OBJCOPYFLAGS_u-boot-x86-start16-tpl.bin := -O binary -j .start16
+$(obj)/u-boot-x86-start16-tpl.bin: $(obj)/u-boot-tpl FORCE
+ $(call if_changed,objcopy)
+
+OBJCOPYFLAGS_u-boot-x86-reset16-spl.bin := -O binary -j .resetvec
+$(obj)/u-boot-x86-reset16-spl.bin: $(obj)/u-boot-spl FORCE
+ $(call if_changed,objcopy)
+
+OBJCOPYFLAGS_u-boot-x86-reset16-tpl.bin := -O binary -j .resetvec
+$(obj)/u-boot-x86-reset16-tpl.bin: $(obj)/u-boot-tpl FORCE
+ $(call if_changed,objcopy)
+
+LDFLAGS_$(SPL_BIN) += -T u-boot-spl.lds $(LDFLAGS_FINAL)
+
+# Avoid 'Not enough room for program headers' error on binutils 2.28 onwards.
+LDFLAGS_$(SPL_BIN) += $(call ld-option, --no-dynamic-linker)
+
+LDFLAGS_$(SPL_BIN) += --build-id=none
+
+# Pick the best-match (i.e. SPL_TEXT_BASE for SPL, TPL_TEXT_BASE for TPL)
+ifneq ($(CONFIG_$(SPL_TPL_)TEXT_BASE),)
+LDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_$(SPL_TPL_)TEXT_BASE)
+endif
+
+ifdef CONFIG_TARGET_SOCFPGA_ARRIA10
+MKIMAGEFLAGS_$(SPL_BIN).sfp = -T socfpgaimage_v1
+else
+MKIMAGEFLAGS_$(SPL_BIN).sfp = -T socfpgaimage
+endif
+$(obj)/$(SPL_BIN).sfp: $(obj)/$(SPL_BIN).bin FORCE
+ $(call if_changed,mkimage)
+
+MKIMAGEFLAGS_sunxi-spl.bin = -T sunxi_egon \
+ -n $(CONFIG_DEFAULT_DEVICE_TREE)
+
+OBJCOPYFLAGS_u-boot-spl-dtb.hex := -I binary -O ihex --change-address=$(CONFIG_SPL_TEXT_BASE)
+
+$(obj)/u-boot-spl-dtb.hex: $(obj)/u-boot-spl-dtb.bin FORCE
+ $(call if_changed,objcopy)
+
+$(obj)/sunxi-spl.bin: $(obj)/$(SPL_BIN).bin FORCE
+ $(call if_changed,mkimage)
+
+quiet_cmd_sunxi_spl_image_builder = SUNXI_SPL_IMAGE_BUILDER $@
+cmd_sunxi_spl_image_builder = $(objtree)/tools/sunxi-spl-image-builder \
+ -c $(CONFIG_NAND_SUNXI_SPL_ECC_STRENGTH)/$(CONFIG_NAND_SUNXI_SPL_ECC_SIZE) \
+ -p $(CONFIG_SYS_NAND_PAGE_SIZE) \
+ -o $(CONFIG_SYS_NAND_OOBSIZE) \
+ -u $(CONFIG_NAND_SUNXI_SPL_USABLE_PAGE_SIZE) \
+ -e $(CONFIG_SYS_NAND_BLOCK_SIZE) \
+ -s -b $< $@
+$(obj)/sunxi-spl-with-ecc.bin: $(obj)/sunxi-spl.bin
+ $(call if_changed,sunxi_spl_image_builder)
+
+
+# MediaTek's specific SPL build
+MKIMAGEFLAGS_u-boot-spl-mtk.bin = -T mtk_image \
+ -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) \
+ -n "$(patsubst "%",%,$(CONFIG_MTK_BROM_HEADER_INFO))"
+
+$(obj)/u-boot-spl-mtk.bin: $(obj)/u-boot-spl.bin FORCE
+ $(call if_changed,mkimage)
+
+quiet_cmd_sym ?= SYM $@
+ cmd_sym ?= $(OBJDUMP) -t $< > $@
+$(obj)/$(SPL_BIN).sym: $(obj)/$(SPL_BIN) FORCE
+ $(call if_changed,sym)
+
+# Generate linker list symbols references to force compiler to not optimize
+# them away when compiling with LTO
+ifdef CONFIG_LTO
+u-boot-spl-keep-syms-lto := $(obj)/keep-syms-lto.o
+u-boot-spl-keep-syms-lto_c := \
+ $(patsubst $(obj)/%.o,$(obj)/%.c,$(u-boot-spl-keep-syms-lto))
+
+quiet_cmd_keep_syms_lto = KSL $@
+ cmd_keep_syms_lto = \
+ NM=$(NM) $(srctree)/scripts/gen_ll_addressable_symbols.sh $^ >$@
+
+quiet_cmd_keep_syms_lto_cc = KSLCC $@
+ cmd_keep_syms_lto_cc = \
+ $(CC) $(filter-out $(LTO_CFLAGS),$(c_flags)) -c -o $@ $<
+
+$(u-boot-spl-keep-syms-lto_c): $(u-boot-spl-main) $(u-boot-spl-platdata)
+ $(call if_changed,keep_syms_lto)
+$(u-boot-spl-keep-syms-lto): $(u-boot-spl-keep-syms-lto_c)
+ $(call if_changed,keep_syms_lto_cc)
+else
+u-boot-spl-keep-syms-lto :=
+endif
+
+# Rule to link u-boot-spl
+# May be overridden by arch/$(ARCH)/config.mk
+ifdef CONFIG_LTO
+quiet_cmd_u-boot-spl ?= LTO $@
+ cmd_u-boot-spl ?= \
+ ( \
+ cd $(obj) && \
+ $(CC) -nostdlib -nostartfiles $(LTO_FINAL_LDFLAGS) $(c_flags) \
+ $(KBUILD_LDFLAGS:%=-Wl,%) $(LDFLAGS_$(@F):%=-Wl,%) \
+ $(patsubst $(obj)/%,%,$(u-boot-spl-init)) \
+ -Wl,--whole-archive \
+ $(patsubst $(obj)/%,%,$(u-boot-spl-main)) \
+ $(patsubst $(obj)/%,%,$(u-boot-spl-platdata)) \
+ $(patsubst $(obj)/%,%,$(u-boot-spl-keep-syms-lto)) \
+ $(PLATFORM_LIBS) \
+ -Wl,--no-whole-archive \
+ -Wl,-Map,$(SPL_BIN).map -o $(SPL_BIN) \
+ )
+else
+quiet_cmd_u-boot-spl ?= LD $@
+ cmd_u-boot-spl ?= \
+ ( \
+ cd $(obj) && \
+ $(LD) $(KBUILD_LDFLAGS) $(LDFLAGS_$(@F)) \
+ $(patsubst $(obj)/%,%,$(u-boot-spl-init)) \
+ --whole-archive \
+ $(patsubst $(obj)/%,%,$(u-boot-spl-main)) \
+ $(patsubst $(obj)/%,%,$(u-boot-spl-platdata)) \
+ --no-whole-archive \
+ $(PLATFORM_LIBS) -Map $(SPL_BIN).map -o $(SPL_BIN) \
+ )
+endif
+
+$(obj)/$(SPL_BIN): $(u-boot-spl-platdata) $(u-boot-spl-init) \
+ $(u-boot-spl-main) $(u-boot-spl-keep-syms-lto) \
+ $(obj)/u-boot-spl.lds FORCE
+ $(call if_changed,u-boot-spl)
+
+$(sort $(u-boot-spl-init) $(u-boot-spl-main)): $(u-boot-spl-dirs) ;
+
+PHONY += $(u-boot-spl-dirs)
+$(u-boot-spl-dirs): $(u-boot-spl-platdata) prepare
+ $(Q)$(MAKE) $(build)=$@
+
+PHONY += prepare
+prepare:
+ $(Q)$(MAKE) $(build)=$(obj)/.
+
+quiet_cmd_cpp_lds = LDS $@
+cmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \
+ -D__ASSEMBLY__ -x assembler-with-cpp -std=c99 -P -o $@ $<
+
+$(obj)/u-boot-spl.lds: $(LDSCRIPT) FORCE
+ $(call if_changed_dep,cpp_lds)
+
+# read all saved command lines
+
+targets := $(wildcard $(sort $(targets)))
+cmd_files := $(wildcard $(obj)/.*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd))
+
+ifneq ($(cmd_files),)
+ $(cmd_files): ; # Do not try to update included dependency files
+ include $(cmd_files)
+endif
+
+PHONY += FORCE
+FORCE:
+
+$(obj)/dts/dt-$(SPL_NAME).dtb: dts/dt.dtb
+ $(Q)$(MAKE) $(build)=$(obj)/dts spl_dtbs
+
+PHONY += dts_dir
+dts_dir:
+ $(shell [ -d $(obj)/dts ] || mkdir -p $(obj)/dts)
+
+# 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)
+
+SPL_OF_LIST_TARGETS = $(patsubst %,dts/%.dtb,$(subst ",,$(CONFIG_SPL_OF_LIST)))
+SHRUNK_ARCH_DTB = $(addprefix $(obj)/,$(SPL_OF_LIST_TARGETS))
+.SECONDEXPANSION:
+$(SHRUNK_ARCH_DTB): $$(patsubst $(obj)/dts/%, arch/$(ARCH)/dts/%, $$@) dts_dir
+ $(call if_changed,fdtgrep)
+
+targets += $(SPL_OF_LIST_TARGETS)
+
+MKIMAGEFLAGS_$(SPL_BIN).multidtb.fit = -f auto -A $(ARCH) -T firmware -C none -O u-boot \
+ -n "Multi DTB fit image for $(SPL_BIN)" -E \
+ $(patsubst %,-b %,$(SHRUNK_ARCH_DTB))
+
+$(obj)/$(SPL_BIN).multidtb.fit: /dev/null $(SHRUNK_ARCH_DTB) FORCE
+ $(call if_changed,mkimage)
+ifneq ($(SOURCE_DATE_EPOCH),)
+ touch -d @$(SOURCE_DATE_EPOCH) $(obj)/$(SPL_BIN).multidtb.fit
+ chmod 0600 $(obj)/$(SPL_BIN).multidtb.fit
+endif
+
+$(obj)/$(SPL_BIN).multidtb.fit.gz: $(obj)/$(SPL_BIN).multidtb.fit
+ @gzip -kf9 $< > $@
+
+$(obj)/$(SPL_BIN).multidtb.fit.lzo: $(obj)/$(SPL_BIN).multidtb.fit
+ @lzop -f9 $< > $@
+
+ifdef CONFIG_ARCH_K3
+tispl.bin: $(obj)/u-boot-spl-nodtb.bin $(SHRUNK_ARCH_DTB) $(SPL_ITS) FORCE
+ $(call if_changed,mkfitimage)
+endif