1*c7163083SMasahiro Yamada# 2*c7163083SMasahiro Yamada# (C) Copyright 2000-2011 3*c7163083SMasahiro Yamada# Wolfgang Denk, DENX Software Engineering, wd@denx.de. 4*c7163083SMasahiro Yamada# 5*c7163083SMasahiro Yamada# (C) Copyright 2011 6*c7163083SMasahiro Yamada# Daniel Schwierzeck, daniel.schwierzeck@googlemail.com. 7*c7163083SMasahiro Yamada# 8*c7163083SMasahiro Yamada# (C) Copyright 2011 9*c7163083SMasahiro Yamada# Texas Instruments Incorporated - http://www.ti.com/ 10*c7163083SMasahiro Yamada# Aneesh V <aneesh@ti.com> 11*c7163083SMasahiro Yamada# 12*c7163083SMasahiro Yamada# SPDX-License-Identifier: GPL-2.0+ 13*c7163083SMasahiro Yamada# 14*c7163083SMasahiro Yamada# Based on top-level Makefile. 15*c7163083SMasahiro Yamada# 16*c7163083SMasahiro Yamada 17*c7163083SMasahiro Yamadasrc := $(obj) 18*c7163083SMasahiro Yamada 19*c7163083SMasahiro Yamada# Create output directory if not already present 20*c7163083SMasahiro Yamada_dummy := $(shell [ -d $(obj) ] || mkdir -p $(obj)) 21*c7163083SMasahiro Yamada 22*c7163083SMasahiro Yamadainclude $(srctree)/scripts/Kbuild.include 23*c7163083SMasahiro Yamada 24*c7163083SMasahiro YamadaCONFIG_SPL_BUILD := y 25*c7163083SMasahiro Yamadaexport CONFIG_SPL_BUILD 26*c7163083SMasahiro Yamada 27*c7163083SMasahiro YamadaKBUILD_CPPFLAGS += -DCONFIG_SPL_BUILD 28*c7163083SMasahiro Yamadaifeq ($(CONFIG_TPL_BUILD),y) 29*c7163083SMasahiro YamadaKBUILD_CPPFLAGS += -DCONFIG_TPL_BUILD 30*c7163083SMasahiro Yamadaendif 31*c7163083SMasahiro Yamada 32*c7163083SMasahiro Yamadaifeq ($(CONFIG_TPL_BUILD),y) 33*c7163083SMasahiro Yamadaexport CONFIG_TPL_BUILD 34*c7163083SMasahiro YamadaSPL_BIN := u-boot-tpl 35*c7163083SMasahiro Yamadaelse 36*c7163083SMasahiro YamadaSPL_BIN := u-boot-spl 37*c7163083SMasahiro Yamadaendif 38*c7163083SMasahiro Yamada 39*c7163083SMasahiro Yamadainclude include/config.mk 40*c7163083SMasahiro Yamada 41*c7163083SMasahiro Yamadaifeq ($(CONFIG_TPL_BUILD),y) 42*c7163083SMasahiro Yamada -include include/tpl-autoconf.mk 43*c7163083SMasahiro Yamadaelse 44*c7163083SMasahiro Yamada -include include/spl-autoconf.mk 45*c7163083SMasahiro Yamadaendif 46*c7163083SMasahiro Yamada 47*c7163083SMasahiro Yamadainclude $(srctree)/config.mk 48*c7163083SMasahiro Yamada 49*c7163083SMasahiro Yamada# Enable garbage collection of un-used sections for SPL 50*c7163083SMasahiro YamadaKBUILD_CFLAGS += -ffunction-sections -fdata-sections 51*c7163083SMasahiro YamadaLDFLAGS_FINAL += --gc-sections 52*c7163083SMasahiro Yamada 53*c7163083SMasahiro Yamada# FIX ME 54*c7163083SMasahiro Yamadacpp_flags := $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) $(UBOOTINCLUDE) \ 55*c7163083SMasahiro Yamada $(NOSTDINC_FLAGS) 56*c7163083SMasahiro Yamadac_flags := $(KBUILD_CFLAGS) $(cpp_flags) 57*c7163083SMasahiro Yamada 58*c7163083SMasahiro Yamada# Auto-generate the spl-autoconf.mk file (which is included by all makefiles for SPL) 59*c7163083SMasahiro Yamadaquiet_cmd_autoconf = GEN $@ 60*c7163083SMasahiro Yamada cmd_autoconf = \ 61*c7163083SMasahiro Yamada $(CPP) $(c_flags) -DDO_DEPS_ONLY -dM $(srctree)/include/common.h > $@.tmp && \ 62*c7163083SMasahiro Yamada sed -n -f $(srctree)/tools/scripts/define2mk.sed $@.tmp > $@; \ 63*c7163083SMasahiro Yamada rm $@.tmp 64*c7163083SMasahiro Yamada 65*c7163083SMasahiro Yamadainclude/tpl-autoconf.mk: include/config.h 66*c7163083SMasahiro Yamada $(call cmd,autoconf) 67*c7163083SMasahiro Yamada 68*c7163083SMasahiro Yamadainclude/spl-autoconf.mk: include/config.h 69*c7163083SMasahiro Yamada $(call cmd,autoconf) 70*c7163083SMasahiro Yamada 71*c7163083SMasahiro YamadaHAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n) 72*c7163083SMasahiro Yamada 73*c7163083SMasahiro Yamadaifdef CONFIG_SPL_START_S_PATH 74*c7163083SMasahiro YamadaSTART_PATH := $(CONFIG_SPL_START_S_PATH:"%"=%) 75*c7163083SMasahiro Yamadaelse 76*c7163083SMasahiro YamadaSTART_PATH := $(CPUDIR) 77*c7163083SMasahiro Yamadaendif 78*c7163083SMasahiro Yamada 79*c7163083SMasahiro Yamadahead-y := $(START_PATH)/start.o 80*c7163083SMasahiro Yamadahead-$(CONFIG_X86) += $(START_PATH)/start16.o $(START_PATH)/resetvec.o 81*c7163083SMasahiro Yamadahead-$(CONFIG_4xx) += $(START_PATH)/resetvec.o 82*c7163083SMasahiro Yamadahead-$(CONFIG_MPC85xx) += $(START_PATH)/resetvec.o 83*c7163083SMasahiro Yamada 84*c7163083SMasahiro Yamadalibs-y += arch/$(ARCH)/lib/ 85*c7163083SMasahiro Yamada 86*c7163083SMasahiro Yamadalibs-y += $(CPUDIR)/ 87*c7163083SMasahiro Yamada 88*c7163083SMasahiro Yamadaifdef SOC 89*c7163083SMasahiro Yamadalibs-y += $(CPUDIR)/$(SOC)/ 90*c7163083SMasahiro Yamadaendif 91*c7163083SMasahiro Yamadalibs-y += $(if $(BOARDDIR),board/$(BOARDDIR)/) 92*c7163083SMasahiro Yamadalibs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/ 93*c7163083SMasahiro Yamada 94*c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_FRAMEWORK) += common/spl/ 95*c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_LIBCOMMON_SUPPORT) += common/ 96*c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_LIBDISK_SUPPORT) += disk/ 97*c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_I2C_SUPPORT) += drivers/i2c/ 98*c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_GPIO_SUPPORT) += drivers/gpio/ 99*c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_MMC_SUPPORT) += drivers/mmc/ 100*c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_MPC8XXX_INIT_DDR_SUPPORT) += drivers/ddr/fsl/ 101*c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_SERIAL_SUPPORT) += drivers/serial/ 102*c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_SPI_FLASH_SUPPORT) += drivers/mtd/spi/ 103*c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_SPI_SUPPORT) += drivers/spi/ 104*c7163083SMasahiro Yamadalibs-y += fs/ 105*c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_LIBGENERIC_SUPPORT) += lib/ 106*c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_POWER_SUPPORT) += drivers/power/ drivers/power/pmic/ 107*c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_MTD_SUPPORT) += drivers/mtd/ 108*c7163083SMasahiro Yamadalibs-$(if $(CONFIG_CMD_NAND),$(CONFIG_SPL_NAND_SUPPORT)) += drivers/mtd/nand/ 109*c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_DRIVERS_MISC_SUPPORT) += drivers/misc/ 110*c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_ONENAND_SUPPORT) += drivers/mtd/onenand/ 111*c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_DMA_SUPPORT) += drivers/dma/ 112*c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_POST_MEM_SUPPORT) += post/drivers/ 113*c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_NET_SUPPORT) += net/ 114*c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_ETH_SUPPORT) += drivers/net/ 115*c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_ETH_SUPPORT) += drivers/net/phy/ 116*c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_USBETH_SUPPORT) += drivers/net/phy/ 117*c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_MUSB_NEW_SUPPORT) += drivers/usb/musb-new/ 118*c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_USBETH_SUPPORT) += drivers/usb/gadget/ 119*c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_WATCHDOG_SUPPORT) += drivers/watchdog/ 120*c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_USB_HOST_SUPPORT) += drivers/usb/host/ 121*c7163083SMasahiro Yamadalibs-$(CONFIG_OMAP_USB_PHY) += drivers/usb/phy/ 122*c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_SATA_SUPPORT) += drivers/block/ 123*c7163083SMasahiro Yamada 124*c7163083SMasahiro Yamadaifneq (,$(CONFIG_MX23)$(CONFIG_MX35)$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35)) 125*c7163083SMasahiro Yamadalibs-y += arch/$(ARCH)/imx-common/ 126*c7163083SMasahiro Yamadaendif 127*c7163083SMasahiro Yamada 128*c7163083SMasahiro Yamadalibs-$(CONFIG_ARM) += arch/arm/cpu/ 129*c7163083SMasahiro Yamadalibs-$(CONFIG_PPC) += arch/powerpc/cpu/ 130*c7163083SMasahiro Yamada 131*c7163083SMasahiro Yamadahead-y := $(addprefix $(obj)/,$(head-y)) 132*c7163083SMasahiro Yamadalibs-y := $(addprefix $(obj)/,$(libs-y)) 133*c7163083SMasahiro Yamadau-boot-spl-dirs := $(patsubst %/,%,$(filter %/, $(libs-y))) 134*c7163083SMasahiro Yamada 135*c7163083SMasahiro Yamadalibs-y := $(patsubst %/, %/built-in.o, $(libs-y)) 136*c7163083SMasahiro Yamada 137*c7163083SMasahiro Yamada# Add GCC lib 138*c7163083SMasahiro Yamadaifeq ($(CONFIG_USE_PRIVATE_LIBGCC),y) 139*c7163083SMasahiro YamadaPLATFORM_LIBGCC = arch/$(ARCH)/lib/lib.a 140*c7163083SMasahiro YamadaPLATFORM_LIBS := $(filter-out %/lib.a, $(filter-out -lgcc, $(PLATFORM_LIBS))) $(PLATFORM_LIBGCC) 141*c7163083SMasahiro Yamadaendif 142*c7163083SMasahiro Yamada 143*c7163083SMasahiro Yamadau-boot-spl-init := $(head-y) 144*c7163083SMasahiro Yamadau-boot-spl-main := $(libs-y) 145*c7163083SMasahiro Yamada 146*c7163083SMasahiro Yamada# Linker Script 147*c7163083SMasahiro Yamadaifdef CONFIG_SPL_LDSCRIPT 148*c7163083SMasahiro Yamada# need to strip off double quotes 149*c7163083SMasahiro YamadaLDSCRIPT := $(addprefix $(srctree)/,$(CONFIG_SPL_LDSCRIPT:"%"=%)) 150*c7163083SMasahiro Yamadaendif 151*c7163083SMasahiro Yamada 152*c7163083SMasahiro Yamadaifeq ($(wildcard $(LDSCRIPT)),) 153*c7163083SMasahiro Yamada LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot-spl.lds 154*c7163083SMasahiro Yamadaendif 155*c7163083SMasahiro Yamadaifeq ($(wildcard $(LDSCRIPT)),) 156*c7163083SMasahiro Yamada LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot-spl.lds 157*c7163083SMasahiro Yamadaendif 158*c7163083SMasahiro Yamadaifeq ($(wildcard $(LDSCRIPT)),) 159*c7163083SMasahiro Yamada LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot-spl.lds 160*c7163083SMasahiro Yamadaendif 161*c7163083SMasahiro Yamadaifeq ($(wildcard $(LDSCRIPT)),) 162*c7163083SMasahiro Yamada$(error could not find linker script) 163*c7163083SMasahiro Yamadaendif 164*c7163083SMasahiro Yamada 165*c7163083SMasahiro Yamada# Special flags for CPP when processing the linker script. 166*c7163083SMasahiro Yamada# Pass the version down so we can handle backwards compatibility 167*c7163083SMasahiro Yamada# on the fly. 168*c7163083SMasahiro YamadaLDPPFLAGS += \ 169*c7163083SMasahiro Yamada -include $(srctree)/include/u-boot/u-boot.lds.h \ 170*c7163083SMasahiro Yamada -include $(objtree)/include/config.h \ 171*c7163083SMasahiro Yamada -DCPUDIR=$(CPUDIR) \ 172*c7163083SMasahiro Yamada $(shell $(LD) --version | \ 173*c7163083SMasahiro Yamada sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p') 174*c7163083SMasahiro Yamada 175*c7163083SMasahiro Yamadaquiet_cmd_mkimage = MKIMAGE $@ 176*c7163083SMasahiro Yamadacmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \ 177*c7163083SMasahiro Yamada $(if $(KBUILD_VERBOSE:1=), >/dev/null) 178*c7163083SMasahiro Yamada 179*c7163083SMasahiro YamadaMKIMAGEFLAGS_MLO = -T omapimage -a $(CONFIG_SPL_TEXT_BASE) 180*c7163083SMasahiro Yamada 181*c7163083SMasahiro YamadaMKIMAGEFLAGS_MLO.byteswap = -T omapimage -n byteswap -a $(CONFIG_SPL_TEXT_BASE) 182*c7163083SMasahiro Yamada 183*c7163083SMasahiro YamadaMLO MLO.byteswap: $(obj)/u-boot-spl.bin 184*c7163083SMasahiro Yamada $(call if_changed,mkimage) 185*c7163083SMasahiro Yamada 186*c7163083SMasahiro YamadaMKIMAGEFLAGS_boot.bin = -T atmelimage 187*c7163083SMasahiro Yamada 188*c7163083SMasahiro Yamadaifeq ($(CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER),y) 189*c7163083SMasahiro YamadaMKIMAGEFLAGS_boot.bin += -n $(shell $(obj)/../tools/atmel_pmecc_params) 190*c7163083SMasahiro Yamada 191*c7163083SMasahiro Yamadaboot.bin: $(obj)/../tools/atmel_pmecc_params 192*c7163083SMasahiro Yamadaendif 193*c7163083SMasahiro Yamada 194*c7163083SMasahiro Yamadaboot.bin: $(obj)/u-boot-spl.bin 195*c7163083SMasahiro Yamada $(call if_changed,mkimage) 196*c7163083SMasahiro Yamada 197*c7163083SMasahiro YamadaALL-y += $(obj)/$(SPL_BIN).bin 198*c7163083SMasahiro Yamada 199*c7163083SMasahiro Yamadaifdef CONFIG_SAMSUNG 200*c7163083SMasahiro YamadaALL-y += $(obj)/$(BOARD)-spl.bin 201*c7163083SMasahiro Yamadaendif 202*c7163083SMasahiro Yamada 203*c7163083SMasahiro Yamadaifdef CONFIG_SUNXI 204*c7163083SMasahiro Yamadaifndef CONFIG_SPL_FEL 205*c7163083SMasahiro YamadaALL-y += $(obj)/sunxi-spl.bin 206*c7163083SMasahiro Yamadaendif 207*c7163083SMasahiro Yamadaendif 208*c7163083SMasahiro Yamada 209*c7163083SMasahiro Yamadaall: $(ALL-y) 210*c7163083SMasahiro Yamada 211*c7163083SMasahiro Yamadaifdef CONFIG_SAMSUNG 212*c7163083SMasahiro Yamadaifdef CONFIG_VAR_SIZE_SPL 213*c7163083SMasahiro YamadaVAR_SIZE_PARAM = --vs 214*c7163083SMasahiro Yamadaelse 215*c7163083SMasahiro YamadaVAR_SIZE_PARAM = 216*c7163083SMasahiro Yamadaendif 217*c7163083SMasahiro Yamada$(obj)/$(BOARD)-spl.bin: $(obj)/u-boot-spl.bin 218*c7163083SMasahiro Yamada $(if $(wildcard $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl),\ 219*c7163083SMasahiro Yamada $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl,\ 220*c7163083SMasahiro Yamada $(objtree)/tools/mkexynosspl) $(VAR_SIZE_PARAM) $< $@ 221*c7163083SMasahiro Yamadaendif 222*c7163083SMasahiro Yamada 223*c7163083SMasahiro Yamadaquiet_cmd_objcopy = OBJCOPY $@ 224*c7163083SMasahiro Yamadacmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@ 225*c7163083SMasahiro Yamada 226*c7163083SMasahiro YamadaOBJCOPYFLAGS_$(SPL_BIN).bin = $(SPL_OBJCFLAGS) -O binary 227*c7163083SMasahiro Yamada 228*c7163083SMasahiro Yamada$(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN) FORCE 229*c7163083SMasahiro Yamada $(call if_changed,objcopy) 230*c7163083SMasahiro Yamada 231*c7163083SMasahiro YamadaLDFLAGS_$(SPL_BIN) += -T u-boot-spl.lds $(LDFLAGS_FINAL) 232*c7163083SMasahiro Yamadaifneq ($(CONFIG_SPL_TEXT_BASE),) 233*c7163083SMasahiro YamadaLDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_SPL_TEXT_BASE) 234*c7163083SMasahiro Yamadaendif 235*c7163083SMasahiro Yamada 236*c7163083SMasahiro Yamadaifdef CONFIG_SUNXI 237*c7163083SMasahiro Yamadaquiet_cmd_mksunxiboot = MKSUNXI $@ 238*c7163083SMasahiro Yamadacmd_mksunxiboot = $(objtree)/tools/mksunxiboot $< $@ 239*c7163083SMasahiro Yamada$(obj)/sunxi-spl.bin: $(obj)/$(SPL_BIN).bin 240*c7163083SMasahiro Yamada $(call if_changed,mksunxiboot) 241*c7163083SMasahiro Yamadaendif 242*c7163083SMasahiro Yamada 243*c7163083SMasahiro Yamadaquiet_cmd_u-boot-spl = LD $@ 244*c7163083SMasahiro Yamada cmd_u-boot-spl = cd $(obj) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \ 245*c7163083SMasahiro Yamada $(patsubst $(obj)/%,%,$(u-boot-spl-init)) --start-group \ 246*c7163083SMasahiro Yamada $(patsubst $(obj)/%,%,$(u-boot-spl-main)) --end-group \ 247*c7163083SMasahiro Yamada $(PLATFORM_LIBS) -Map $(SPL_BIN).map -o $(SPL_BIN) 248*c7163083SMasahiro Yamada 249*c7163083SMasahiro Yamada$(obj)/$(SPL_BIN): $(u-boot-spl-init) $(u-boot-spl-main) $(obj)/u-boot-spl.lds 250*c7163083SMasahiro Yamada $(call cmd,u-boot-spl) 251*c7163083SMasahiro Yamada 252*c7163083SMasahiro Yamada$(sort $(u-boot-spl-init) $(u-boot-spl-main)): $(u-boot-spl-dirs) ; 253*c7163083SMasahiro Yamada 254*c7163083SMasahiro YamadaPHONY += $(u-boot-spl-dirs) 255*c7163083SMasahiro Yamada$(u-boot-spl-dirs): 256*c7163083SMasahiro Yamada $(Q)$(MAKE) $(build)=$@ 257*c7163083SMasahiro Yamada 258*c7163083SMasahiro Yamadaquiet_cmd_cpp_lds = LDS $@ 259*c7163083SMasahiro Yamadacmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \ 260*c7163083SMasahiro Yamada -D__ASSEMBLY__ -x assembler-with-cpp -P -o $@ $< 261*c7163083SMasahiro Yamada 262*c7163083SMasahiro Yamada$(obj)/u-boot-spl.lds: $(LDSCRIPT) FORCE 263*c7163083SMasahiro Yamada $(call if_changed_dep,cpp_lds) 264*c7163083SMasahiro Yamada 265*c7163083SMasahiro Yamada# read all saved command lines 266*c7163083SMasahiro Yamada 267*c7163083SMasahiro Yamadatargets := $(wildcard $(sort $(targets))) 268*c7163083SMasahiro Yamadacmd_files := $(wildcard $(obj)/.*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd)) 269*c7163083SMasahiro Yamada 270*c7163083SMasahiro Yamadaifneq ($(cmd_files),) 271*c7163083SMasahiro Yamada $(cmd_files): ; # Do not try to update included dependency files 272*c7163083SMasahiro Yamada include $(cmd_files) 273*c7163083SMasahiro Yamadaendif 274*c7163083SMasahiro Yamada 275*c7163083SMasahiro YamadaPHONY += FORCE 276*c7163083SMasahiro YamadaFORCE: 277*c7163083SMasahiro Yamada 278*c7163083SMasahiro Yamada# Declare the contents of the .PHONY variable as phony. We keep that 279*c7163083SMasahiro Yamada# information in a variable so we can use it in if_changed and friends. 280*c7163083SMasahiro Yamada.PHONY: $(PHONY) 281