1# 2# (C) Copyright 2000-2011 3# Wolfgang Denk, DENX Software Engineering, wd@denx.de. 4# 5# (C) Copyright 2011 6# Daniel Schwierzeck, daniel.schwierzeck@googlemail.com. 7# 8# (C) Copyright 2011 9# Texas Instruments Incorporated - http://www.ti.com/ 10# Aneesh V <aneesh@ti.com> 11# 12# SPDX-License-Identifier: GPL-2.0+ 13# 14# Based on top-level Makefile. 15# 16 17src := $(obj) 18 19# Create output directory if not already present 20_dummy := $(shell [ -d $(obj) ] || mkdir -p $(obj)) 21 22include $(srctree)/scripts/Kbuild.include 23 24UBOOTINCLUDE := -I$(obj)/include $(UBOOTINCLUDE) 25 26-include $(obj)/include/config/auto.conf 27-include $(obj)/include/autoconf.mk 28 29ifeq ($(CONFIG_TPL_BUILD),y) 30export CONFIG_TPL_BUILD 31SPL_BIN := u-boot-tpl 32else 33SPL_BIN := u-boot-spl 34endif 35 36include $(srctree)/config.mk 37include $(srctree)/arch/$(ARCH)/Makefile 38 39# Enable garbage collection of un-used sections for SPL 40KBUILD_CFLAGS += -ffunction-sections -fdata-sections 41LDFLAGS_FINAL += --gc-sections 42 43# FIX ME 44cpp_flags := $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) $(UBOOTINCLUDE) \ 45 $(NOSTDINC_FLAGS) 46 47HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n) 48 49libs-y += $(if $(BOARDDIR),board/$(BOARDDIR)/) 50libs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/ 51 52libs-$(CONFIG_SPL_FRAMEWORK) += common/spl/ 53libs-$(CONFIG_SPL_LIBCOMMON_SUPPORT) += common/ 54libs-$(CONFIG_SPL_LIBDISK_SUPPORT) += disk/ 55libs-$(CONFIG_SPL_DM) += drivers/core/ 56libs-$(CONFIG_SPL_I2C_SUPPORT) += drivers/i2c/ 57libs-$(CONFIG_SPL_GPIO_SUPPORT) += drivers/gpio/ 58libs-$(CONFIG_SPL_MMC_SUPPORT) += drivers/mmc/ 59libs-$(CONFIG_SPL_MPC8XXX_INIT_DDR_SUPPORT) += drivers/ddr/fsl/ 60libs-$(CONFIG_SPL_SERIAL_SUPPORT) += drivers/serial/ 61libs-$(CONFIG_SPL_SPI_FLASH_SUPPORT) += drivers/mtd/spi/ 62libs-$(CONFIG_SPL_SPI_SUPPORT) += drivers/spi/ 63libs-y += fs/ 64libs-$(CONFIG_SPL_LIBGENERIC_SUPPORT) += lib/ 65libs-$(CONFIG_SPL_POWER_SUPPORT) += drivers/power/ drivers/power/pmic/ 66libs-$(CONFIG_SPL_MTD_SUPPORT) += drivers/mtd/ 67libs-$(CONFIG_SPL_NAND_SUPPORT) += drivers/mtd/nand/ 68libs-$(CONFIG_SPL_DRIVERS_MISC_SUPPORT) += drivers/misc/ 69libs-$(CONFIG_SPL_ONENAND_SUPPORT) += drivers/mtd/onenand/ 70libs-$(CONFIG_SPL_DMA_SUPPORT) += drivers/dma/ 71libs-$(CONFIG_SPL_POST_MEM_SUPPORT) += post/drivers/ 72libs-$(CONFIG_SPL_NET_SUPPORT) += net/ 73libs-$(CONFIG_SPL_ETH_SUPPORT) += drivers/net/ 74libs-$(CONFIG_SPL_ETH_SUPPORT) += drivers/net/phy/ 75libs-$(CONFIG_SPL_USBETH_SUPPORT) += drivers/net/phy/ 76libs-$(CONFIG_SPL_MUSB_NEW_SUPPORT) += drivers/usb/musb-new/ 77libs-$(CONFIG_SPL_USBETH_SUPPORT) += drivers/usb/gadget/ 78libs-$(CONFIG_SPL_WATCHDOG_SUPPORT) += drivers/watchdog/ 79libs-$(CONFIG_SPL_USB_HOST_SUPPORT) += drivers/usb/host/ 80libs-$(CONFIG_OMAP_USB_PHY) += drivers/usb/phy/ 81libs-$(CONFIG_SPL_SATA_SUPPORT) += drivers/block/ 82 83head-y := $(addprefix $(obj)/,$(head-y)) 84libs-y := $(addprefix $(obj)/,$(libs-y)) 85u-boot-spl-dirs := $(patsubst %/,%,$(filter %/, $(libs-y))) 86 87libs-y := $(patsubst %/, %/built-in.o, $(libs-y)) 88 89# Add GCC lib 90ifeq ($(CONFIG_USE_PRIVATE_LIBGCC),y) 91PLATFORM_LIBGCC = arch/$(ARCH)/lib/lib.a 92PLATFORM_LIBS := $(filter-out %/lib.a, $(filter-out -lgcc, $(PLATFORM_LIBS))) $(PLATFORM_LIBGCC) 93endif 94 95u-boot-spl-init := $(head-y) 96u-boot-spl-main := $(libs-y) 97 98# Linker Script 99ifdef CONFIG_SPL_LDSCRIPT 100# need to strip off double quotes 101LDSCRIPT := $(addprefix $(srctree)/,$(CONFIG_SPL_LDSCRIPT:"%"=%)) 102endif 103 104ifeq ($(wildcard $(LDSCRIPT)),) 105 LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot-spl.lds 106endif 107ifeq ($(wildcard $(LDSCRIPT)),) 108 LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot-spl.lds 109endif 110ifeq ($(wildcard $(LDSCRIPT)),) 111 LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot-spl.lds 112endif 113ifeq ($(wildcard $(LDSCRIPT)),) 114$(error could not find linker script) 115endif 116 117# Special flags for CPP when processing the linker script. 118# Pass the version down so we can handle backwards compatibility 119# on the fly. 120LDPPFLAGS += \ 121 -include $(srctree)/include/u-boot/u-boot.lds.h \ 122 -include $(objtree)/include/config.h \ 123 -DCPUDIR=$(CPUDIR) \ 124 $(shell $(LD) --version | \ 125 sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p') 126 127quiet_cmd_mkimage = MKIMAGE $@ 128cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \ 129 $(if $(KBUILD_VERBOSE:1=), >/dev/null) 130 131MKIMAGEFLAGS_MLO = -T omapimage -a $(CONFIG_SPL_TEXT_BASE) 132 133MKIMAGEFLAGS_MLO.byteswap = -T omapimage -n byteswap -a $(CONFIG_SPL_TEXT_BASE) 134 135MLO MLO.byteswap: $(obj)/u-boot-spl.bin 136 $(call if_changed,mkimage) 137 138MKIMAGEFLAGS_boot.bin = -T atmelimage 139 140ifeq ($(CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER),y) 141MKIMAGEFLAGS_boot.bin += -n $(shell $(obj)/../tools/atmel_pmecc_params) 142 143boot.bin: $(obj)/../tools/atmel_pmecc_params 144endif 145 146boot.bin: $(obj)/u-boot-spl.bin 147 $(call if_changed,mkimage) 148 149ALL-y += $(obj)/$(SPL_BIN).bin 150 151ifdef CONFIG_SAMSUNG 152ALL-y += $(obj)/$(BOARD)-spl.bin 153endif 154 155ifdef CONFIG_SUNXI 156ifndef CONFIG_SPL_FEL 157ALL-y += $(obj)/sunxi-spl.bin 158endif 159endif 160 161ifeq ($(CONFIG_SYS_SOC),"at91") 162ALL-y += boot.bin 163endif 164 165all: $(ALL-y) 166 167ifdef CONFIG_SAMSUNG 168ifdef CONFIG_VAR_SIZE_SPL 169VAR_SIZE_PARAM = --vs 170else 171VAR_SIZE_PARAM = 172endif 173$(obj)/$(BOARD)-spl.bin: $(obj)/u-boot-spl.bin 174 $(if $(wildcard $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl),\ 175 $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl,\ 176 $(objtree)/tools/mkexynosspl) $(VAR_SIZE_PARAM) $< $@ 177endif 178 179quiet_cmd_objcopy = OBJCOPY $@ 180cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@ 181 182OBJCOPYFLAGS_$(SPL_BIN).bin = $(SPL_OBJCFLAGS) -O binary 183 184$(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN) FORCE 185 $(call if_changed,objcopy) 186 187LDFLAGS_$(SPL_BIN) += -T u-boot-spl.lds $(LDFLAGS_FINAL) 188ifneq ($(CONFIG_SPL_TEXT_BASE),) 189LDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_SPL_TEXT_BASE) 190endif 191 192ifdef CONFIG_SUNXI 193quiet_cmd_mksunxiboot = MKSUNXI $@ 194cmd_mksunxiboot = $(objtree)/tools/mksunxiboot $< $@ 195$(obj)/sunxi-spl.bin: $(obj)/$(SPL_BIN).bin 196 $(call if_changed,mksunxiboot) 197endif 198 199quiet_cmd_u-boot-spl = LD $@ 200 cmd_u-boot-spl = (cd $(obj) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \ 201 $(patsubst $(obj)/%,%,$(u-boot-spl-init)) --start-group \ 202 $(patsubst $(obj)/%,%,$(u-boot-spl-main)) --end-group \ 203 $(PLATFORM_LIBS) -Map $(SPL_BIN).map -o $(SPL_BIN)) 204 205$(obj)/$(SPL_BIN): $(u-boot-spl-init) $(u-boot-spl-main) $(obj)/u-boot-spl.lds FORCE 206 $(call if_changed,u-boot-spl) 207 208$(sort $(u-boot-spl-init) $(u-boot-spl-main)): $(u-boot-spl-dirs) ; 209 210PHONY += $(u-boot-spl-dirs) 211$(u-boot-spl-dirs): 212 $(Q)$(MAKE) $(build)=$@ 213 214quiet_cmd_cpp_lds = LDS $@ 215cmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \ 216 -D__ASSEMBLY__ -x assembler-with-cpp -P -o $@ $< 217 218$(obj)/u-boot-spl.lds: $(LDSCRIPT) FORCE 219 $(call if_changed_dep,cpp_lds) 220 221# read all saved command lines 222 223targets := $(wildcard $(sort $(targets))) 224cmd_files := $(wildcard $(obj)/.*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd)) 225 226ifneq ($(cmd_files),) 227 $(cmd_files): ; # Do not try to update included dependency files 228 include $(cmd_files) 229endif 230 231PHONY += FORCE 232FORCE: 233 234# Declare the contents of the .PHONY variable as phony. We keep that 235# information in a variable so we can use it in if_changed and friends. 236.PHONY: $(PHONY) 237