1c7163083SMasahiro Yamada# 2c7163083SMasahiro Yamada# (C) Copyright 2000-2011 3c7163083SMasahiro Yamada# Wolfgang Denk, DENX Software Engineering, wd@denx.de. 4c7163083SMasahiro Yamada# 5c7163083SMasahiro Yamada# (C) Copyright 2011 6c7163083SMasahiro Yamada# Daniel Schwierzeck, daniel.schwierzeck@googlemail.com. 7c7163083SMasahiro Yamada# 8c7163083SMasahiro Yamada# (C) Copyright 2011 9c7163083SMasahiro Yamada# Texas Instruments Incorporated - http://www.ti.com/ 10c7163083SMasahiro Yamada# Aneesh V <aneesh@ti.com> 11c7163083SMasahiro Yamada# 12c7163083SMasahiro Yamada# SPDX-License-Identifier: GPL-2.0+ 13c7163083SMasahiro Yamada# 14c7163083SMasahiro Yamada# Based on top-level Makefile. 15c7163083SMasahiro Yamada# 16c7163083SMasahiro Yamada 17c7163083SMasahiro Yamadasrc := $(obj) 18c7163083SMasahiro Yamada 19c7163083SMasahiro Yamada# Create output directory if not already present 20c7163083SMasahiro Yamada_dummy := $(shell [ -d $(obj) ] || mkdir -p $(obj)) 21c7163083SMasahiro Yamada 22c7163083SMasahiro Yamadainclude $(srctree)/scripts/Kbuild.include 23c7163083SMasahiro Yamada 24e02ee254SMasahiro Yamada-include include/config/auto.conf 2551148790SMasahiro Yamada-include $(obj)/include/autoconf.mk 26c7163083SMasahiro Yamada 27e02ee254SMasahiro YamadaKBUILD_CPPFLAGS += -DCONFIG_SPL_BUILD 28c7163083SMasahiro Yamadaifeq ($(CONFIG_TPL_BUILD),y) 29e02ee254SMasahiro YamadaKBUILD_CPPFLAGS += -DCONFIG_TPL_BUILD 30e02ee254SMasahiro Yamadaendif 31e02ee254SMasahiro Yamada 32e02ee254SMasahiro Yamadaifeq ($(CONFIG_TPL_BUILD),y) 33c7163083SMasahiro YamadaSPL_BIN := u-boot-tpl 34c7163083SMasahiro Yamadaelse 35c7163083SMasahiro YamadaSPL_BIN := u-boot-spl 36c7163083SMasahiro Yamadaendif 37c7163083SMasahiro Yamada 38c7163083SMasahiro Yamadainclude $(srctree)/config.mk 39e19db555SDaniel Schwierzeckinclude $(srctree)/arch/$(ARCH)/Makefile 40c7163083SMasahiro Yamada 41c7163083SMasahiro Yamada# Enable garbage collection of un-used sections for SPL 42c7163083SMasahiro YamadaKBUILD_CFLAGS += -ffunction-sections -fdata-sections 43c7163083SMasahiro YamadaLDFLAGS_FINAL += --gc-sections 44c7163083SMasahiro Yamada 45c7163083SMasahiro Yamada# FIX ME 46c7163083SMasahiro Yamadacpp_flags := $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) $(UBOOTINCLUDE) \ 47c7163083SMasahiro Yamada $(NOSTDINC_FLAGS) 48c7163083SMasahiro Yamada 49c7163083SMasahiro YamadaHAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n) 50c7163083SMasahiro Yamada 51c7163083SMasahiro Yamadalibs-y += $(if $(BOARDDIR),board/$(BOARDDIR)/) 52c7163083SMasahiro Yamadalibs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/ 53c7163083SMasahiro Yamada 54c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_FRAMEWORK) += common/spl/ 55af6bbd4dSSimon Glasslibs-y += common/init/ 56c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_LIBCOMMON_SUPPORT) += common/ 57c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_LIBDISK_SUPPORT) += disk/ 58d6c2ac5bSMasahiro Yamadalibs-y += drivers/ 598d7a2b83SMichal Simeklibs-y += dts/ 60c7163083SMasahiro Yamadalibs-y += fs/ 61c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_LIBGENERIC_SUPPORT) += lib/ 62c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_POST_MEM_SUPPORT) += post/drivers/ 63c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_NET_SUPPORT) += net/ 64c7163083SMasahiro Yamada 65c7163083SMasahiro Yamadahead-y := $(addprefix $(obj)/,$(head-y)) 66c7163083SMasahiro Yamadalibs-y := $(addprefix $(obj)/,$(libs-y)) 67c7163083SMasahiro Yamadau-boot-spl-dirs := $(patsubst %/,%,$(filter %/, $(libs-y))) 68c7163083SMasahiro Yamada 69c7163083SMasahiro Yamadalibs-y := $(patsubst %/, %/built-in.o, $(libs-y)) 70c7163083SMasahiro Yamada 71c7163083SMasahiro Yamada# Add GCC lib 72c7163083SMasahiro Yamadaifeq ($(CONFIG_USE_PRIVATE_LIBGCC),y) 73c7163083SMasahiro YamadaPLATFORM_LIBGCC = arch/$(ARCH)/lib/lib.a 74c7163083SMasahiro YamadaPLATFORM_LIBS := $(filter-out %/lib.a, $(filter-out -lgcc, $(PLATFORM_LIBS))) $(PLATFORM_LIBGCC) 75c7163083SMasahiro Yamadaendif 76c7163083SMasahiro Yamada 77c7163083SMasahiro Yamadau-boot-spl-init := $(head-y) 78c7163083SMasahiro Yamadau-boot-spl-main := $(libs-y) 79c7163083SMasahiro Yamada 80c7163083SMasahiro Yamada# Linker Script 81c7163083SMasahiro Yamadaifdef CONFIG_SPL_LDSCRIPT 82c7163083SMasahiro Yamada# need to strip off double quotes 83c7163083SMasahiro YamadaLDSCRIPT := $(addprefix $(srctree)/,$(CONFIG_SPL_LDSCRIPT:"%"=%)) 84c7163083SMasahiro Yamadaendif 85c7163083SMasahiro Yamada 86c7163083SMasahiro Yamadaifeq ($(wildcard $(LDSCRIPT)),) 87c7163083SMasahiro Yamada LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot-spl.lds 88c7163083SMasahiro Yamadaendif 89c7163083SMasahiro Yamadaifeq ($(wildcard $(LDSCRIPT)),) 90c7163083SMasahiro Yamada LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot-spl.lds 91c7163083SMasahiro Yamadaendif 92c7163083SMasahiro Yamadaifeq ($(wildcard $(LDSCRIPT)),) 93c7163083SMasahiro Yamada LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot-spl.lds 94c7163083SMasahiro Yamadaendif 95c7163083SMasahiro Yamadaifeq ($(wildcard $(LDSCRIPT)),) 96c7163083SMasahiro Yamada$(error could not find linker script) 97c7163083SMasahiro Yamadaendif 98c7163083SMasahiro Yamada 99c7163083SMasahiro Yamada# Special flags for CPP when processing the linker script. 100c7163083SMasahiro Yamada# Pass the version down so we can handle backwards compatibility 101c7163083SMasahiro Yamada# on the fly. 102c7163083SMasahiro YamadaLDPPFLAGS += \ 103c7163083SMasahiro Yamada -include $(srctree)/include/u-boot/u-boot.lds.h \ 104c7163083SMasahiro Yamada -include $(objtree)/include/config.h \ 105c7163083SMasahiro Yamada -DCPUDIR=$(CPUDIR) \ 106c7163083SMasahiro Yamada $(shell $(LD) --version | \ 107c7163083SMasahiro Yamada sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p') 108c7163083SMasahiro Yamada 109c7163083SMasahiro Yamadaquiet_cmd_mkimage = MKIMAGE $@ 110c7163083SMasahiro Yamadacmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \ 111c7163083SMasahiro Yamada $(if $(KBUILD_VERBOSE:1=), >/dev/null) 112c7163083SMasahiro Yamada 113c7163083SMasahiro YamadaMKIMAGEFLAGS_MLO = -T omapimage -a $(CONFIG_SPL_TEXT_BASE) 114c7163083SMasahiro Yamada 115c7163083SMasahiro YamadaMKIMAGEFLAGS_MLO.byteswap = -T omapimage -n byteswap -a $(CONFIG_SPL_TEXT_BASE) 116c7163083SMasahiro Yamada 117c7163083SMasahiro YamadaMLO MLO.byteswap: $(obj)/u-boot-spl.bin 118c7163083SMasahiro Yamada $(call if_changed,mkimage) 119c7163083SMasahiro Yamada 120*08598d6eSNathan Rossiifeq ($(CONFIG_SYS_SOC),"at91") 121c7163083SMasahiro YamadaMKIMAGEFLAGS_boot.bin = -T atmelimage 122c7163083SMasahiro Yamada 123c7163083SMasahiro Yamadaifeq ($(CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER),y) 124c7163083SMasahiro YamadaMKIMAGEFLAGS_boot.bin += -n $(shell $(obj)/../tools/atmel_pmecc_params) 125c7163083SMasahiro Yamada 126c7163083SMasahiro Yamadaboot.bin: $(obj)/../tools/atmel_pmecc_params 127c7163083SMasahiro Yamadaendif 128c7163083SMasahiro Yamada 129c7163083SMasahiro Yamadaboot.bin: $(obj)/u-boot-spl.bin 130c7163083SMasahiro Yamada $(call if_changed,mkimage) 131*08598d6eSNathan Rossielse 132*08598d6eSNathan RossiMKIMAGEFLAGS_boot.bin = -T zynqimage 133*08598d6eSNathan Rossi 134*08598d6eSNathan Rossispl/boot.bin: $(obj)/u-boot-spl-dtb.bin 135*08598d6eSNathan Rossi $(call if_changed,mkimage) 136*08598d6eSNathan Rossiendif 137c7163083SMasahiro Yamada 138741e58e0SSimon GlassALL-y += $(obj)/$(SPL_BIN).bin $(obj)/$(SPL_BIN).cfg 139c7163083SMasahiro Yamada 140021b4d11SSimon Glassifdef CONFIG_SPL_OF_CONTROL 141fa78e0a3SSimon GlassALL-$(CONFIG_OF_SEPARATE) += $(obj)/$(SPL_BIN)-pad.bin $(obj)/$(SPL_BIN)-dtb.bin 142021b4d11SSimon Glassendif 143fa78e0a3SSimon Glass 144c7163083SMasahiro Yamadaifdef CONFIG_SAMSUNG 145c7163083SMasahiro YamadaALL-y += $(obj)/$(BOARD)-spl.bin 146c7163083SMasahiro Yamadaendif 147c7163083SMasahiro Yamada 148333b7209SMarek Vasutifdef CONFIG_ARCH_SOCFPGA 149333b7209SMarek VasutALL-y += $(obj)/$(SPL_BIN)-dtb.sfp 150333b7209SMarek Vasutendif 151333b7209SMarek Vasut 152c7163083SMasahiro Yamadaifdef CONFIG_SUNXI 153c7163083SMasahiro YamadaALL-y += $(obj)/sunxi-spl.bin 154c7163083SMasahiro Yamadaendif 155c7163083SMasahiro Yamada 156c001486dSHeiko Schocherifeq ($(CONFIG_SYS_SOC),"at91") 157c001486dSHeiko SchocherALL-y += boot.bin 158c001486dSHeiko Schocherendif 159c001486dSHeiko Schocher 160*08598d6eSNathan Rossiifdef CONFIG_ARCH_ZYNQ 161*08598d6eSNathan RossiALL-y += $(obj)/boot.bin 162*08598d6eSNathan Rossiendif 163*08598d6eSNathan Rossi 164c7163083SMasahiro Yamadaall: $(ALL-y) 165c7163083SMasahiro Yamada 166fa78e0a3SSimon Glassquiet_cmd_cat = CAT $@ 167fa78e0a3SSimon Glasscmd_cat = cat $(filter-out $(PHONY), $^) > $@ 168fa78e0a3SSimon Glass 169fa78e0a3SSimon Glass$(obj)/$(SPL_BIN)-dtb.bin: $(obj)/$(SPL_BIN).bin $(obj)/$(SPL_BIN)-pad.bin \ 170fa78e0a3SSimon Glass $(obj)/$(SPL_BIN).dtb FORCE 171fa78e0a3SSimon Glass $(call if_changed,cat) 172fa78e0a3SSimon Glass 173fa78e0a3SSimon Glass# Create a file that pads from the end of u-boot-spl.bin to bss_end 174fa78e0a3SSimon Glass$(obj)/$(SPL_BIN)-pad.bin: $(obj)/$(SPL_BIN) 175fa78e0a3SSimon Glass @bss_size_str=$(shell $(NM) $< | awk 'BEGIN {size = 0} /__bss_size/ {size = $$1} END {print "ibase=16; " toupper(size)}' | bc); \ 176fa78e0a3SSimon Glass dd if=/dev/zero of=$@ bs=1 count=$${bss_size_str} 2>/dev/null; 177fa78e0a3SSimon Glass 178fa78e0a3SSimon Glass# Pass the original device tree file through fdtgrep twice. The first pass 179fa78e0a3SSimon Glass# removes any unwanted nodes (i.e. those which don't have the 180fa78e0a3SSimon Glass# 'u-boot,dm-pre-reloc' property and thus are not needed by SPL. The second 181fa78e0a3SSimon Glass# pass removes various unused properties from the remaining nodes. 182fa78e0a3SSimon Glass# The output is typically a much smaller device tree file. 183fa78e0a3SSimon Glassquiet_cmd_fdtgrep = FDTGREP $@ 184fa78e0a3SSimon Glass cmd_fdtgrep = $(objtree)/tools/fdtgrep -b u-boot,dm-pre-reloc -RT $< \ 185fa78e0a3SSimon Glass -n /chosen -O dtb | \ 186fa78e0a3SSimon Glass $(objtree)/tools/fdtgrep -r -O dtb - -o $@ \ 187fa78e0a3SSimon Glass $(addprefix -P ,$(subst $\",,$(CONFIG_OF_SPL_REMOVE_PROPS))) 188fa78e0a3SSimon Glass 189fa78e0a3SSimon Glass$(obj)/$(SPL_BIN).dtb: dts/dt.dtb 190fa78e0a3SSimon Glass $(call cmd,fdtgrep) 191fa78e0a3SSimon Glass 192741e58e0SSimon Glassquiet_cmd_cpp_cfg = CFG $@ 193741e58e0SSimon Glasscmd_cpp_cfg = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \ 1943113471fSMasahiro Yamada -DDO_DEPS_ONLY -D__ASSEMBLY__ -x assembler-with-cpp -P -dM -E -o $@ $< 195741e58e0SSimon Glass 196741e58e0SSimon Glass$(obj)/$(SPL_BIN).cfg: include/config.h 197741e58e0SSimon Glass $(call if_changed,cpp_cfg) 198741e58e0SSimon Glass 199c7163083SMasahiro Yamadaifdef CONFIG_SAMSUNG 200c7163083SMasahiro Yamadaifdef CONFIG_VAR_SIZE_SPL 201c7163083SMasahiro YamadaVAR_SIZE_PARAM = --vs 202c7163083SMasahiro Yamadaelse 203c7163083SMasahiro YamadaVAR_SIZE_PARAM = 204c7163083SMasahiro Yamadaendif 205c7163083SMasahiro Yamada$(obj)/$(BOARD)-spl.bin: $(obj)/u-boot-spl.bin 206c7163083SMasahiro Yamada $(if $(wildcard $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl),\ 207c7163083SMasahiro Yamada $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl,\ 208c7163083SMasahiro Yamada $(objtree)/tools/mkexynosspl) $(VAR_SIZE_PARAM) $< $@ 209c7163083SMasahiro Yamadaendif 210c7163083SMasahiro Yamada 211c7163083SMasahiro Yamadaquiet_cmd_objcopy = OBJCOPY $@ 212c7163083SMasahiro Yamadacmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@ 213c7163083SMasahiro Yamada 214c7163083SMasahiro YamadaOBJCOPYFLAGS_$(SPL_BIN).bin = $(SPL_OBJCFLAGS) -O binary 215c7163083SMasahiro Yamada 216c7163083SMasahiro Yamada$(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN) FORCE 217c7163083SMasahiro Yamada $(call if_changed,objcopy) 218c7163083SMasahiro Yamada 219c7163083SMasahiro YamadaLDFLAGS_$(SPL_BIN) += -T u-boot-spl.lds $(LDFLAGS_FINAL) 220c7163083SMasahiro Yamadaifneq ($(CONFIG_SPL_TEXT_BASE),) 221c7163083SMasahiro YamadaLDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_SPL_TEXT_BASE) 222c7163083SMasahiro Yamadaendif 223c7163083SMasahiro Yamada 224333b7209SMarek Vasutifdef CONFIG_ARCH_SOCFPGA 225333b7209SMarek VasutMKIMAGEFLAGS_$(SPL_BIN)-dtb.sfp = -T socfpgaimage 226333b7209SMarek Vasut$(obj)/$(SPL_BIN)-dtb.sfp: $(obj)/$(SPL_BIN)-dtb.bin FORCE 227333b7209SMarek Vasut $(call if_changed,mkimage) 228333b7209SMarek Vasutendif 229333b7209SMarek Vasut 230c7163083SMasahiro Yamadaifdef CONFIG_SUNXI 231c7163083SMasahiro Yamadaquiet_cmd_mksunxiboot = MKSUNXI $@ 232c7163083SMasahiro Yamadacmd_mksunxiboot = $(objtree)/tools/mksunxiboot $< $@ 233c7163083SMasahiro Yamada$(obj)/sunxi-spl.bin: $(obj)/$(SPL_BIN).bin 234c7163083SMasahiro Yamada $(call if_changed,mksunxiboot) 235c7163083SMasahiro Yamadaendif 236c7163083SMasahiro Yamada 237c7163083SMasahiro Yamadaquiet_cmd_u-boot-spl = LD $@ 2389adb6d24SMasahiro Yamada cmd_u-boot-spl = (cd $(obj) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \ 239c7163083SMasahiro Yamada $(patsubst $(obj)/%,%,$(u-boot-spl-init)) --start-group \ 240c7163083SMasahiro Yamada $(patsubst $(obj)/%,%,$(u-boot-spl-main)) --end-group \ 2419adb6d24SMasahiro Yamada $(PLATFORM_LIBS) -Map $(SPL_BIN).map -o $(SPL_BIN)) 242c7163083SMasahiro Yamada 2439adb6d24SMasahiro Yamada$(obj)/$(SPL_BIN): $(u-boot-spl-init) $(u-boot-spl-main) $(obj)/u-boot-spl.lds FORCE 2449adb6d24SMasahiro Yamada $(call if_changed,u-boot-spl) 245c7163083SMasahiro Yamada 246c7163083SMasahiro Yamada$(sort $(u-boot-spl-init) $(u-boot-spl-main)): $(u-boot-spl-dirs) ; 247c7163083SMasahiro Yamada 248c7163083SMasahiro YamadaPHONY += $(u-boot-spl-dirs) 249c7163083SMasahiro Yamada$(u-boot-spl-dirs): 250c7163083SMasahiro Yamada $(Q)$(MAKE) $(build)=$@ 251c7163083SMasahiro Yamada 252c7163083SMasahiro Yamadaquiet_cmd_cpp_lds = LDS $@ 253c7163083SMasahiro Yamadacmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \ 254c7163083SMasahiro Yamada -D__ASSEMBLY__ -x assembler-with-cpp -P -o $@ $< 255c7163083SMasahiro Yamada 256c7163083SMasahiro Yamada$(obj)/u-boot-spl.lds: $(LDSCRIPT) FORCE 257c7163083SMasahiro Yamada $(call if_changed_dep,cpp_lds) 258c7163083SMasahiro Yamada 259c7163083SMasahiro Yamada# read all saved command lines 260c7163083SMasahiro Yamada 261c7163083SMasahiro Yamadatargets := $(wildcard $(sort $(targets))) 262c7163083SMasahiro Yamadacmd_files := $(wildcard $(obj)/.*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd)) 263c7163083SMasahiro Yamada 264c7163083SMasahiro Yamadaifneq ($(cmd_files),) 265c7163083SMasahiro Yamada $(cmd_files): ; # Do not try to update included dependency files 266c7163083SMasahiro Yamada include $(cmd_files) 267c7163083SMasahiro Yamadaendif 268c7163083SMasahiro Yamada 269c7163083SMasahiro YamadaPHONY += FORCE 270c7163083SMasahiro YamadaFORCE: 271c7163083SMasahiro Yamada 272c7163083SMasahiro Yamada# Declare the contents of the .PHONY variable as phony. We keep that 273c7163083SMasahiro Yamada# information in a variable so we can use it in if_changed and friends. 274c7163083SMasahiro Yamada.PHONY: $(PHONY) 275