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-$(CONFIG_SPL_FRAMEWORK) += common/spl/ 55c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_LIBCOMMON_SUPPORT) += common/ 56c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_LIBDISK_SUPPORT) += disk/ 57*d6c2ac5bSMasahiro Yamadalibs-y += drivers/ 58c7163083SMasahiro Yamadalibs-y += fs/ 59c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_LIBGENERIC_SUPPORT) += lib/ 60c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_POST_MEM_SUPPORT) += post/drivers/ 61c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_NET_SUPPORT) += net/ 62c7163083SMasahiro Yamada 63c7163083SMasahiro Yamadahead-y := $(addprefix $(obj)/,$(head-y)) 64c7163083SMasahiro Yamadalibs-y := $(addprefix $(obj)/,$(libs-y)) 65c7163083SMasahiro Yamadau-boot-spl-dirs := $(patsubst %/,%,$(filter %/, $(libs-y))) 66c7163083SMasahiro Yamada 67c7163083SMasahiro Yamadalibs-y := $(patsubst %/, %/built-in.o, $(libs-y)) 68c7163083SMasahiro Yamada 69c7163083SMasahiro Yamada# Add GCC lib 70c7163083SMasahiro Yamadaifeq ($(CONFIG_USE_PRIVATE_LIBGCC),y) 71c7163083SMasahiro YamadaPLATFORM_LIBGCC = arch/$(ARCH)/lib/lib.a 72c7163083SMasahiro YamadaPLATFORM_LIBS := $(filter-out %/lib.a, $(filter-out -lgcc, $(PLATFORM_LIBS))) $(PLATFORM_LIBGCC) 73c7163083SMasahiro Yamadaendif 74c7163083SMasahiro Yamada 75c7163083SMasahiro Yamadau-boot-spl-init := $(head-y) 76c7163083SMasahiro Yamadau-boot-spl-main := $(libs-y) 77c7163083SMasahiro Yamada 78c7163083SMasahiro Yamada# Linker Script 79c7163083SMasahiro Yamadaifdef CONFIG_SPL_LDSCRIPT 80c7163083SMasahiro Yamada# need to strip off double quotes 81c7163083SMasahiro YamadaLDSCRIPT := $(addprefix $(srctree)/,$(CONFIG_SPL_LDSCRIPT:"%"=%)) 82c7163083SMasahiro Yamadaendif 83c7163083SMasahiro Yamada 84c7163083SMasahiro Yamadaifeq ($(wildcard $(LDSCRIPT)),) 85c7163083SMasahiro Yamada LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot-spl.lds 86c7163083SMasahiro Yamadaendif 87c7163083SMasahiro Yamadaifeq ($(wildcard $(LDSCRIPT)),) 88c7163083SMasahiro Yamada LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot-spl.lds 89c7163083SMasahiro Yamadaendif 90c7163083SMasahiro Yamadaifeq ($(wildcard $(LDSCRIPT)),) 91c7163083SMasahiro Yamada LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot-spl.lds 92c7163083SMasahiro Yamadaendif 93c7163083SMasahiro Yamadaifeq ($(wildcard $(LDSCRIPT)),) 94c7163083SMasahiro Yamada$(error could not find linker script) 95c7163083SMasahiro Yamadaendif 96c7163083SMasahiro Yamada 97c7163083SMasahiro Yamada# Special flags for CPP when processing the linker script. 98c7163083SMasahiro Yamada# Pass the version down so we can handle backwards compatibility 99c7163083SMasahiro Yamada# on the fly. 100c7163083SMasahiro YamadaLDPPFLAGS += \ 101c7163083SMasahiro Yamada -include $(srctree)/include/u-boot/u-boot.lds.h \ 102c7163083SMasahiro Yamada -include $(objtree)/include/config.h \ 103c7163083SMasahiro Yamada -DCPUDIR=$(CPUDIR) \ 104c7163083SMasahiro Yamada $(shell $(LD) --version | \ 105c7163083SMasahiro Yamada sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p') 106c7163083SMasahiro Yamada 107c7163083SMasahiro Yamadaquiet_cmd_mkimage = MKIMAGE $@ 108c7163083SMasahiro Yamadacmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \ 109c7163083SMasahiro Yamada $(if $(KBUILD_VERBOSE:1=), >/dev/null) 110c7163083SMasahiro Yamada 111c7163083SMasahiro YamadaMKIMAGEFLAGS_MLO = -T omapimage -a $(CONFIG_SPL_TEXT_BASE) 112c7163083SMasahiro Yamada 113c7163083SMasahiro YamadaMKIMAGEFLAGS_MLO.byteswap = -T omapimage -n byteswap -a $(CONFIG_SPL_TEXT_BASE) 114c7163083SMasahiro Yamada 115c7163083SMasahiro YamadaMLO MLO.byteswap: $(obj)/u-boot-spl.bin 116c7163083SMasahiro Yamada $(call if_changed,mkimage) 117c7163083SMasahiro Yamada 118c7163083SMasahiro YamadaMKIMAGEFLAGS_boot.bin = -T atmelimage 119c7163083SMasahiro Yamada 120c7163083SMasahiro Yamadaifeq ($(CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER),y) 121c7163083SMasahiro YamadaMKIMAGEFLAGS_boot.bin += -n $(shell $(obj)/../tools/atmel_pmecc_params) 122c7163083SMasahiro Yamada 123c7163083SMasahiro Yamadaboot.bin: $(obj)/../tools/atmel_pmecc_params 124c7163083SMasahiro Yamadaendif 125c7163083SMasahiro Yamada 126c7163083SMasahiro Yamadaboot.bin: $(obj)/u-boot-spl.bin 127c7163083SMasahiro Yamada $(call if_changed,mkimage) 128c7163083SMasahiro Yamada 129741e58e0SSimon GlassALL-y += $(obj)/$(SPL_BIN).bin $(obj)/$(SPL_BIN).cfg 130c7163083SMasahiro Yamada 131fa78e0a3SSimon GlassALL-$(CONFIG_OF_SEPARATE) += $(obj)/$(SPL_BIN)-pad.bin $(obj)/$(SPL_BIN)-dtb.bin 132fa78e0a3SSimon Glass 133c7163083SMasahiro Yamadaifdef CONFIG_SAMSUNG 134c7163083SMasahiro YamadaALL-y += $(obj)/$(BOARD)-spl.bin 135c7163083SMasahiro Yamadaendif 136c7163083SMasahiro Yamada 137333b7209SMarek Vasutifdef CONFIG_ARCH_SOCFPGA 138333b7209SMarek VasutALL-y += $(obj)/$(SPL_BIN)-dtb.sfp 139333b7209SMarek Vasutendif 140333b7209SMarek Vasut 141c7163083SMasahiro Yamadaifdef CONFIG_SUNXI 142c7163083SMasahiro YamadaALL-y += $(obj)/sunxi-spl.bin 143c7163083SMasahiro Yamadaendif 144c7163083SMasahiro Yamada 145c001486dSHeiko Schocherifeq ($(CONFIG_SYS_SOC),"at91") 146c001486dSHeiko SchocherALL-y += boot.bin 147c001486dSHeiko Schocherendif 148c001486dSHeiko Schocher 149c7163083SMasahiro Yamadaall: $(ALL-y) 150c7163083SMasahiro Yamada 151fa78e0a3SSimon Glassquiet_cmd_cat = CAT $@ 152fa78e0a3SSimon Glasscmd_cat = cat $(filter-out $(PHONY), $^) > $@ 153fa78e0a3SSimon Glass 154fa78e0a3SSimon Glass$(obj)/$(SPL_BIN)-dtb.bin: $(obj)/$(SPL_BIN).bin $(obj)/$(SPL_BIN)-pad.bin \ 155fa78e0a3SSimon Glass $(obj)/$(SPL_BIN).dtb FORCE 156fa78e0a3SSimon Glass $(call if_changed,cat) 157fa78e0a3SSimon Glass 158fa78e0a3SSimon Glass# Create a file that pads from the end of u-boot-spl.bin to bss_end 159fa78e0a3SSimon Glass$(obj)/$(SPL_BIN)-pad.bin: $(obj)/$(SPL_BIN) 160fa78e0a3SSimon Glass @bss_size_str=$(shell $(NM) $< | awk 'BEGIN {size = 0} /__bss_size/ {size = $$1} END {print "ibase=16; " toupper(size)}' | bc); \ 161fa78e0a3SSimon Glass dd if=/dev/zero of=$@ bs=1 count=$${bss_size_str} 2>/dev/null; 162fa78e0a3SSimon Glass 163fa78e0a3SSimon Glass# Pass the original device tree file through fdtgrep twice. The first pass 164fa78e0a3SSimon Glass# removes any unwanted nodes (i.e. those which don't have the 165fa78e0a3SSimon Glass# 'u-boot,dm-pre-reloc' property and thus are not needed by SPL. The second 166fa78e0a3SSimon Glass# pass removes various unused properties from the remaining nodes. 167fa78e0a3SSimon Glass# The output is typically a much smaller device tree file. 168fa78e0a3SSimon Glassquiet_cmd_fdtgrep = FDTGREP $@ 169fa78e0a3SSimon Glass cmd_fdtgrep = $(objtree)/tools/fdtgrep -b u-boot,dm-pre-reloc -RT $< \ 170fa78e0a3SSimon Glass -n /chosen -O dtb | \ 171fa78e0a3SSimon Glass $(objtree)/tools/fdtgrep -r -O dtb - -o $@ \ 172fa78e0a3SSimon Glass $(addprefix -P ,$(subst $\",,$(CONFIG_OF_SPL_REMOVE_PROPS))) 173fa78e0a3SSimon Glass 174fa78e0a3SSimon Glass$(obj)/$(SPL_BIN).dtb: dts/dt.dtb 175fa78e0a3SSimon Glass $(call cmd,fdtgrep) 176fa78e0a3SSimon Glass 177741e58e0SSimon Glassquiet_cmd_cpp_cfg = CFG $@ 178741e58e0SSimon Glasscmd_cpp_cfg = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \ 1793113471fSMasahiro Yamada -DDO_DEPS_ONLY -D__ASSEMBLY__ -x assembler-with-cpp -P -dM -E -o $@ $< 180741e58e0SSimon Glass 181741e58e0SSimon Glass$(obj)/$(SPL_BIN).cfg: include/config.h 182741e58e0SSimon Glass $(call if_changed,cpp_cfg) 183741e58e0SSimon Glass 184c7163083SMasahiro Yamadaifdef CONFIG_SAMSUNG 185c7163083SMasahiro Yamadaifdef CONFIG_VAR_SIZE_SPL 186c7163083SMasahiro YamadaVAR_SIZE_PARAM = --vs 187c7163083SMasahiro Yamadaelse 188c7163083SMasahiro YamadaVAR_SIZE_PARAM = 189c7163083SMasahiro Yamadaendif 190c7163083SMasahiro Yamada$(obj)/$(BOARD)-spl.bin: $(obj)/u-boot-spl.bin 191c7163083SMasahiro Yamada $(if $(wildcard $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl),\ 192c7163083SMasahiro Yamada $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl,\ 193c7163083SMasahiro Yamada $(objtree)/tools/mkexynosspl) $(VAR_SIZE_PARAM) $< $@ 194c7163083SMasahiro Yamadaendif 195c7163083SMasahiro Yamada 196c7163083SMasahiro Yamadaquiet_cmd_objcopy = OBJCOPY $@ 197c7163083SMasahiro Yamadacmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@ 198c7163083SMasahiro Yamada 199c7163083SMasahiro YamadaOBJCOPYFLAGS_$(SPL_BIN).bin = $(SPL_OBJCFLAGS) -O binary 200c7163083SMasahiro Yamada 201c7163083SMasahiro Yamada$(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN) FORCE 202c7163083SMasahiro Yamada $(call if_changed,objcopy) 203c7163083SMasahiro Yamada 204c7163083SMasahiro YamadaLDFLAGS_$(SPL_BIN) += -T u-boot-spl.lds $(LDFLAGS_FINAL) 205c7163083SMasahiro Yamadaifneq ($(CONFIG_SPL_TEXT_BASE),) 206c7163083SMasahiro YamadaLDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_SPL_TEXT_BASE) 207c7163083SMasahiro Yamadaendif 208c7163083SMasahiro Yamada 209333b7209SMarek Vasutifdef CONFIG_ARCH_SOCFPGA 210333b7209SMarek VasutMKIMAGEFLAGS_$(SPL_BIN)-dtb.sfp = -T socfpgaimage 211333b7209SMarek Vasut$(obj)/$(SPL_BIN)-dtb.sfp: $(obj)/$(SPL_BIN)-dtb.bin FORCE 212333b7209SMarek Vasut $(call if_changed,mkimage) 213333b7209SMarek Vasutendif 214333b7209SMarek Vasut 215c7163083SMasahiro Yamadaifdef CONFIG_SUNXI 216c7163083SMasahiro Yamadaquiet_cmd_mksunxiboot = MKSUNXI $@ 217c7163083SMasahiro Yamadacmd_mksunxiboot = $(objtree)/tools/mksunxiboot $< $@ 218c7163083SMasahiro Yamada$(obj)/sunxi-spl.bin: $(obj)/$(SPL_BIN).bin 219c7163083SMasahiro Yamada $(call if_changed,mksunxiboot) 220c7163083SMasahiro Yamadaendif 221c7163083SMasahiro Yamada 222c7163083SMasahiro Yamadaquiet_cmd_u-boot-spl = LD $@ 2239adb6d24SMasahiro Yamada cmd_u-boot-spl = (cd $(obj) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \ 224c7163083SMasahiro Yamada $(patsubst $(obj)/%,%,$(u-boot-spl-init)) --start-group \ 225c7163083SMasahiro Yamada $(patsubst $(obj)/%,%,$(u-boot-spl-main)) --end-group \ 2269adb6d24SMasahiro Yamada $(PLATFORM_LIBS) -Map $(SPL_BIN).map -o $(SPL_BIN)) 227c7163083SMasahiro Yamada 2289adb6d24SMasahiro Yamada$(obj)/$(SPL_BIN): $(u-boot-spl-init) $(u-boot-spl-main) $(obj)/u-boot-spl.lds FORCE 2299adb6d24SMasahiro Yamada $(call if_changed,u-boot-spl) 230c7163083SMasahiro Yamada 231c7163083SMasahiro Yamada$(sort $(u-boot-spl-init) $(u-boot-spl-main)): $(u-boot-spl-dirs) ; 232c7163083SMasahiro Yamada 233c7163083SMasahiro YamadaPHONY += $(u-boot-spl-dirs) 234c7163083SMasahiro Yamada$(u-boot-spl-dirs): 235c7163083SMasahiro Yamada $(Q)$(MAKE) $(build)=$@ 236c7163083SMasahiro Yamada 237c7163083SMasahiro Yamadaquiet_cmd_cpp_lds = LDS $@ 238c7163083SMasahiro Yamadacmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \ 239c7163083SMasahiro Yamada -D__ASSEMBLY__ -x assembler-with-cpp -P -o $@ $< 240c7163083SMasahiro Yamada 241c7163083SMasahiro Yamada$(obj)/u-boot-spl.lds: $(LDSCRIPT) FORCE 242c7163083SMasahiro Yamada $(call if_changed_dep,cpp_lds) 243c7163083SMasahiro Yamada 244c7163083SMasahiro Yamada# read all saved command lines 245c7163083SMasahiro Yamada 246c7163083SMasahiro Yamadatargets := $(wildcard $(sort $(targets))) 247c7163083SMasahiro Yamadacmd_files := $(wildcard $(obj)/.*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd)) 248c7163083SMasahiro Yamada 249c7163083SMasahiro Yamadaifneq ($(cmd_files),) 250c7163083SMasahiro Yamada $(cmd_files): ; # Do not try to update included dependency files 251c7163083SMasahiro Yamada include $(cmd_files) 252c7163083SMasahiro Yamadaendif 253c7163083SMasahiro Yamada 254c7163083SMasahiro YamadaPHONY += FORCE 255c7163083SMasahiro YamadaFORCE: 256c7163083SMasahiro Yamada 257c7163083SMasahiro Yamada# Declare the contents of the .PHONY variable as phony. We keep that 258c7163083SMasahiro Yamada# information in a variable so we can use it in if_changed and friends. 259c7163083SMasahiro Yamada.PHONY: $(PHONY) 260