scripts/Makefile.spl

   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
  17 src := $(obj)
  18
  19 # Create output directory if not already present
  20 _dummy := $(shell [ -d $(obj) ] || mkdir -p $(obj))
  21
  22 include $(srctree)/scripts/Kbuild.include
  23
  24 UBOOTINCLUDE := -I$(obj)/include $(UBOOTINCLUDE)
  25
  26 -include $(obj)/include/config/auto.conf
  27 -include $(obj)/include/autoconf.mk
  28
  29 ifeq ($(CONFIG_TPL_BUILD),y)
  30 export CONFIG_TPL_BUILD
  31 SPL_BIN := u-boot-tpl
  32 else
  33 SPL_BIN := u-boot-spl
  34 endif
  35
  36 include $(srctree)/config.mk
  37
  38 # Enable garbage collection of un-used sections for SPL
  39 KBUILD_CFLAGS += -ffunction-sections -fdata-sections
  40 LDFLAGS_FINAL += --gc-sections
  41
  42 # FIX ME
  43 cpp_flags := $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) $(UBOOTINCLUDE) \
  44                                                         $(NOSTDINC_FLAGS)
  45
  46 HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n)
  47
  48 ifdef   CONFIG_SPL_START_S_PATH
  49 START_PATH := $(CONFIG_SPL_START_S_PATH:"%"=%)
  50 else
  51 START_PATH := $(CPUDIR)
  52 endif
  53
  54 head-y := $(START_PATH)/start.o
  55 head-$(CONFIG_X86) += $(START_PATH)/start16.o $(START_PATH)/resetvec.o
  56 head-$(CONFIG_4xx) += $(START_PATH)/resetvec.o
  57 head-$(CONFIG_MPC85xx) += $(START_PATH)/resetvec.o
  58
  59 libs-y += arch/$(ARCH)/lib/
  60
  61 libs-y += $(CPUDIR)/
  62
  63 ifdef SOC
  64 libs-y += $(CPUDIR)/$(SOC)/
  65 endif
  66 libs-y += $(if $(BOARDDIR),board/$(BOARDDIR)/)
  67 libs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/
  68
  69 libs-$(CONFIG_SPL_FRAMEWORK) += common/spl/
  70 libs-$(CONFIG_SPL_LIBCOMMON_SUPPORT) += common/
  71 libs-$(CONFIG_SPL_LIBDISK_SUPPORT) += disk/
  72 libs-$(CONFIG_SPL_I2C_SUPPORT) += drivers/i2c/
  73 libs-$(CONFIG_SPL_GPIO_SUPPORT) += drivers/gpio/
  74 libs-$(CONFIG_SPL_MMC_SUPPORT) += drivers/mmc/
  75 libs-$(CONFIG_SPL_MPC8XXX_INIT_DDR_SUPPORT) += drivers/ddr/fsl/
  76 libs-$(CONFIG_SPL_SERIAL_SUPPORT) += drivers/serial/
  77 libs-$(CONFIG_SPL_SPI_FLASH_SUPPORT) += drivers/mtd/spi/
  78 libs-$(CONFIG_SPL_SPI_SUPPORT) += drivers/spi/
  79 libs-y += fs/
  80 libs-$(CONFIG_SPL_LIBGENERIC_SUPPORT) += lib/
  81 libs-$(CONFIG_SPL_POWER_SUPPORT) += drivers/power/ drivers/power/pmic/
  82 libs-$(CONFIG_SPL_MTD_SUPPORT) += drivers/mtd/
  83 libs-$(if $(CONFIG_CMD_NAND),$(CONFIG_SPL_NAND_SUPPORT)) += drivers/mtd/nand/
  84 libs-$(CONFIG_SPL_DRIVERS_MISC_SUPPORT) += drivers/misc/
  85 libs-$(CONFIG_SPL_ONENAND_SUPPORT) += drivers/mtd/onenand/
  86 libs-$(CONFIG_SPL_DMA_SUPPORT) += drivers/dma/
  87 libs-$(CONFIG_SPL_POST_MEM_SUPPORT) += post/drivers/
  88 libs-$(CONFIG_SPL_NET_SUPPORT) += net/
  89 libs-$(CONFIG_SPL_ETH_SUPPORT) += drivers/net/
  90 libs-$(CONFIG_SPL_ETH_SUPPORT) += drivers/net/phy/
  91 libs-$(CONFIG_SPL_USBETH_SUPPORT) += drivers/net/phy/
  92 libs-$(CONFIG_SPL_MUSB_NEW_SUPPORT) += drivers/usb/musb-new/
  93 libs-$(CONFIG_SPL_USBETH_SUPPORT) += drivers/usb/gadget/
  94 libs-$(CONFIG_SPL_WATCHDOG_SUPPORT) += drivers/watchdog/
  95 libs-$(CONFIG_SPL_USB_HOST_SUPPORT) += drivers/usb/host/
  96 libs-$(CONFIG_OMAP_USB_PHY) += drivers/usb/phy/
  97 libs-$(CONFIG_SPL_SATA_SUPPORT) += drivers/block/
  98
  99 ifneq (,$(CONFIG_MX23)$(CONFIG_MX35)$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35))
 100 libs-y += arch/$(ARCH)/imx-common/
 101 endif
 102
 103 libs-$(CONFIG_ARM) += arch/arm/cpu/
 104 libs-$(CONFIG_PPC) += arch/powerpc/cpu/
 105
 106 head-y          := $(addprefix $(obj)/,$(head-y))
 107 libs-y          := $(addprefix $(obj)/,$(libs-y))
 108 u-boot-spl-dirs := $(patsubst %/,%,$(filter %/, $(libs-y)))
 109
 110 libs-y := $(patsubst %/, %/built-in.o, $(libs-y))
 111
 112 # Add GCC lib
 113 ifeq ($(CONFIG_USE_PRIVATE_LIBGCC),y)
 114 PLATFORM_LIBGCC = arch/$(ARCH)/lib/lib.a
 115 PLATFORM_LIBS := $(filter-out %/lib.a, $(filter-out -lgcc, $(PLATFORM_LIBS))) $(PLATFORM_LIBGCC)
 116 endif
 117
 118 u-boot-spl-init := $(head-y)
 119 u-boot-spl-main := $(libs-y)
 120
 121 # Linker Script
 122 ifdef CONFIG_SPL_LDSCRIPT
 123 # need to strip off double quotes
 124 LDSCRIPT := $(addprefix $(srctree)/,$(CONFIG_SPL_LDSCRIPT:"%"=%))
 125 endif
 126
 127 ifeq ($(wildcard $(LDSCRIPT)),)
 128         LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot-spl.lds
 129 endif
 130 ifeq ($(wildcard $(LDSCRIPT)),)
 131         LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot-spl.lds
 132 endif
 133 ifeq ($(wildcard $(LDSCRIPT)),)
 134         LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot-spl.lds
 135 endif
 136 ifeq ($(wildcard $(LDSCRIPT)),)
 137 $(error could not find linker script)
 138 endif
 139
 140 # Special flags for CPP when processing the linker script.
 141 # Pass the version down so we can handle backwards compatibility
 142 # on the fly.
 143 LDPPFLAGS += \
 144         -include $(srctree)/include/u-boot/u-boot.lds.h \
 145         -include $(objtree)/include/config.h \
 146         -DCPUDIR=$(CPUDIR) \
 147         $(shell $(LD) --version | \
 148           sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
 149
 150 quiet_cmd_mkimage = MKIMAGE $@
 151 cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \
 152         $(if $(KBUILD_VERBOSE:1=), >/dev/null)
 153
 154 MKIMAGEFLAGS_MLO = -T omapimage -a $(CONFIG_SPL_TEXT_BASE)
 155
 156 MKIMAGEFLAGS_MLO.byteswap = -T omapimage -n byteswap -a $(CONFIG_SPL_TEXT_BASE)
 157
 158 MLO MLO.byteswap: $(obj)/u-boot-spl.bin
 159         $(call if_changed,mkimage)
 160
 161 MKIMAGEFLAGS_boot.bin = -T atmelimage
 162
 163 ifeq ($(CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER),y)
 164 MKIMAGEFLAGS_boot.bin += -n $(shell $(obj)/../tools/atmel_pmecc_params)
 165
 166 boot.bin: $(obj)/../tools/atmel_pmecc_params
 167 endif
 168
 169 boot.bin: $(obj)/u-boot-spl.bin
 170         $(call if_changed,mkimage)
 171
 172 ALL-y   += $(obj)/$(SPL_BIN).bin
 173
 174 ifdef CONFIG_SAMSUNG
 175 ALL-y   += $(obj)/$(BOARD)-spl.bin
 176 endif
 177
 178 ifdef CONFIG_SUNXI
 179 ifndef CONFIG_SPL_FEL
 180 ALL-y   += $(obj)/sunxi-spl.bin
 181 endif
 182 endif
 183
 184 all:    $(ALL-y)
 185
 186 ifdef CONFIG_SAMSUNG
 187 ifdef CONFIG_VAR_SIZE_SPL
 188 VAR_SIZE_PARAM = --vs
 189 else
 190 VAR_SIZE_PARAM =
 191 endif
 192 $(obj)/$(BOARD)-spl.bin: $(obj)/u-boot-spl.bin
 193         $(if $(wildcard $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl),\
 194         $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl,\
 195         $(objtree)/tools/mkexynosspl) $(VAR_SIZE_PARAM) $< $@
 196 endif
 197
 198 quiet_cmd_objcopy = OBJCOPY $@
 199 cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@
 200
 201 OBJCOPYFLAGS_$(SPL_BIN).bin = $(SPL_OBJCFLAGS) -O binary
 202
 203 $(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN) FORCE
 204         $(call if_changed,objcopy)
 205
 206 LDFLAGS_$(SPL_BIN) += -T u-boot-spl.lds $(LDFLAGS_FINAL)
 207 ifneq ($(CONFIG_SPL_TEXT_BASE),)
 208 LDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_SPL_TEXT_BASE)
 209 endif
 210
 211 ifdef CONFIG_SUNXI
 212 quiet_cmd_mksunxiboot = MKSUNXI $@
 213 cmd_mksunxiboot = $(objtree)/tools/mksunxiboot $< $@
 214 $(obj)/sunxi-spl.bin: $(obj)/$(SPL_BIN).bin
 215         $(call if_changed,mksunxiboot)
 216 endif
 217
 218 quiet_cmd_u-boot-spl = LD      $@
 219       cmd_u-boot-spl = cd $(obj) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \
 220                        $(patsubst $(obj)/%,%,$(u-boot-spl-init)) --start-group \
 221                        $(patsubst $(obj)/%,%,$(u-boot-spl-main)) --end-group \
 222                        $(PLATFORM_LIBS) -Map $(SPL_BIN).map -o $(SPL_BIN)
 223
 224 $(obj)/$(SPL_BIN): $(u-boot-spl-init) $(u-boot-spl-main) $(obj)/u-boot-spl.lds
 225         $(call cmd,u-boot-spl)
 226
 227 $(sort $(u-boot-spl-init) $(u-boot-spl-main)): $(u-boot-spl-dirs) ;
 228
 229 PHONY += $(u-boot-spl-dirs)
 230 $(u-boot-spl-dirs):
 231         $(Q)$(MAKE) $(build)=$@
 232
 233 quiet_cmd_cpp_lds = LDS     $@
 234 cmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \
 235                 -D__ASSEMBLY__ -x assembler-with-cpp -P -o $@ $<
 236
 237 $(obj)/u-boot-spl.lds: $(LDSCRIPT) FORCE
 238         $(call if_changed_dep,cpp_lds)
 239
 240 # read all saved command lines
 241
 242 targets := $(wildcard $(sort $(targets)))
 243 cmd_files := $(wildcard $(obj)/.*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd))
 244
 245 ifneq ($(cmd_files),)
 246   $(cmd_files): ;       # Do not try to update included dependency files
 247   include $(cmd_files)
 248 endif
 249
 250 PHONY += FORCE
 251 FORCE:
 252
 253 # Declare the contents of the .PHONY variable as phony.  We keep that
 254 # information in a variable so we can use it in if_changed and friends.
 255 .PHONY: $(PHONY)