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 include $(srctree)/arch/$(ARCH)/Makefile
  38
  39 # Enable garbage collection of un-used sections for SPL
  40 KBUILD_CFLAGS += -ffunction-sections -fdata-sections
  41 LDFLAGS_FINAL += --gc-sections
  42
  43 # FIX ME
  44 cpp_flags := $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) $(UBOOTINCLUDE) \
  45                                                         $(NOSTDINC_FLAGS)
  46
  47 HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n)
  48
  49 libs-y += $(if $(BOARDDIR),board/$(BOARDDIR)/)
  50 libs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/
  51
  52 libs-$(CONFIG_SPL_FRAMEWORK) += common/spl/
  53 libs-$(CONFIG_SPL_LIBCOMMON_SUPPORT) += common/
  54 libs-$(CONFIG_SPL_LIBDISK_SUPPORT) += disk/
  55 libs-$(CONFIG_SPL_DM) += drivers/core/
  56 libs-$(CONFIG_SPL_I2C_SUPPORT) += drivers/i2c/
  57 libs-$(CONFIG_SPL_GPIO_SUPPORT) += drivers/gpio/
  58 libs-$(CONFIG_SPL_MMC_SUPPORT) += drivers/mmc/
  59 libs-$(CONFIG_SPL_MPC8XXX_INIT_DDR_SUPPORT) += drivers/ddr/fsl/
  60 libs-$(CONFIG_SPL_SERIAL_SUPPORT) += drivers/serial/
  61 libs-$(CONFIG_SPL_SPI_FLASH_SUPPORT) += drivers/mtd/spi/
  62 libs-$(CONFIG_SPL_SPI_SUPPORT) += drivers/spi/
  63 libs-y += fs/
  64 libs-$(CONFIG_SPL_LIBGENERIC_SUPPORT) += lib/
  65 libs-$(CONFIG_SPL_POWER_SUPPORT) += drivers/power/ drivers/power/pmic/
  66 libs-$(CONFIG_SPL_MTD_SUPPORT) += drivers/mtd/
  67 libs-$(CONFIG_SPL_NAND_SUPPORT) += drivers/mtd/nand/
  68 libs-$(CONFIG_SPL_DRIVERS_MISC_SUPPORT) += drivers/misc/
  69 libs-$(CONFIG_SPL_ONENAND_SUPPORT) += drivers/mtd/onenand/
  70 libs-$(CONFIG_SPL_DMA_SUPPORT) += drivers/dma/
  71 libs-$(CONFIG_SPL_POST_MEM_SUPPORT) += post/drivers/
  72 libs-$(CONFIG_SPL_NET_SUPPORT) += net/
  73 libs-$(CONFIG_SPL_ETH_SUPPORT) += drivers/net/
  74 libs-$(CONFIG_SPL_ETH_SUPPORT) += drivers/net/phy/
  75 libs-$(CONFIG_SPL_USBETH_SUPPORT) += drivers/net/phy/
  76 libs-$(CONFIG_SPL_MUSB_NEW_SUPPORT) += drivers/usb/musb-new/
  77 libs-$(CONFIG_SPL_USBETH_SUPPORT) += drivers/usb/gadget/
  78 libs-$(CONFIG_SPL_WATCHDOG_SUPPORT) += drivers/watchdog/
  79 libs-$(CONFIG_SPL_USB_HOST_SUPPORT) += drivers/usb/host/
  80 libs-$(CONFIG_OMAP_USB_PHY) += drivers/usb/phy/
  81 libs-$(CONFIG_SPL_SATA_SUPPORT) += drivers/block/
  82
  83 head-y          := $(addprefix $(obj)/,$(head-y))
  84 libs-y          := $(addprefix $(obj)/,$(libs-y))
  85 u-boot-spl-dirs := $(patsubst %/,%,$(filter %/, $(libs-y)))
  86
  87 libs-y := $(patsubst %/, %/built-in.o, $(libs-y))
  88
  89 # Add GCC lib
  90 ifeq ($(CONFIG_USE_PRIVATE_LIBGCC),y)
  91 PLATFORM_LIBGCC = arch/$(ARCH)/lib/lib.a
  92 PLATFORM_LIBS := $(filter-out %/lib.a, $(filter-out -lgcc, $(PLATFORM_LIBS))) $(PLATFORM_LIBGCC)
  93 endif
  94
  95 u-boot-spl-init := $(head-y)
  96 u-boot-spl-main := $(libs-y)
  97
  98 # Linker Script
  99 ifdef CONFIG_SPL_LDSCRIPT
 100 # need to strip off double quotes
 101 LDSCRIPT := $(addprefix $(srctree)/,$(CONFIG_SPL_LDSCRIPT:"%"=%))
 102 endif
 103
 104 ifeq ($(wildcard $(LDSCRIPT)),)
 105         LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot-spl.lds
 106 endif
 107 ifeq ($(wildcard $(LDSCRIPT)),)
 108         LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot-spl.lds
 109 endif
 110 ifeq ($(wildcard $(LDSCRIPT)),)
 111         LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot-spl.lds
 112 endif
 113 ifeq ($(wildcard $(LDSCRIPT)),)
 114 $(error could not find linker script)
 115 endif
 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.
 120 LDPPFLAGS += \
 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
 127 quiet_cmd_mkimage = MKIMAGE $@
 128 cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \
 129         $(if $(KBUILD_VERBOSE:1=), >/dev/null)
 130
 131 MKIMAGEFLAGS_MLO = -T omapimage -a $(CONFIG_SPL_TEXT_BASE)
 132
 133 MKIMAGEFLAGS_MLO.byteswap = -T omapimage -n byteswap -a $(CONFIG_SPL_TEXT_BASE)
 134
 135 MLO MLO.byteswap: $(obj)/u-boot-spl.bin
 136         $(call if_changed,mkimage)
 137
 138 MKIMAGEFLAGS_boot.bin = -T atmelimage
 139
 140 ifeq ($(CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER),y)
 141 MKIMAGEFLAGS_boot.bin += -n $(shell $(obj)/../tools/atmel_pmecc_params)
 142
 143 boot.bin: $(obj)/../tools/atmel_pmecc_params
 144 endif
 145
 146 boot.bin: $(obj)/u-boot-spl.bin
 147         $(call if_changed,mkimage)
 148
 149 ALL-y   += $(obj)/$(SPL_BIN).bin
 150
 151 ifdef CONFIG_SAMSUNG
 152 ALL-y   += $(obj)/$(BOARD)-spl.bin
 153 endif
 154
 155 ifdef CONFIG_SUNXI
 156 ifndef CONFIG_SPL_FEL
 157 ALL-y   += $(obj)/sunxi-spl.bin
 158 endif
 159 endif
 160
 161 ifeq ($(CONFIG_SYS_SOC),"at91")
 162 ALL-y   += boot.bin
 163 endif
 164
 165 all:    $(ALL-y)
 166
 167 ifdef CONFIG_SAMSUNG
 168 ifdef CONFIG_VAR_SIZE_SPL
 169 VAR_SIZE_PARAM = --vs
 170 else
 171 VAR_SIZE_PARAM =
 172 endif
 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) $< $@
 177 endif
 178
 179 quiet_cmd_objcopy = OBJCOPY $@
 180 cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@
 181
 182 OBJCOPYFLAGS_$(SPL_BIN).bin = $(SPL_OBJCFLAGS) -O binary
 183
 184 $(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN) FORCE
 185         $(call if_changed,objcopy)
 186
 187 LDFLAGS_$(SPL_BIN) += -T u-boot-spl.lds $(LDFLAGS_FINAL)
 188 ifneq ($(CONFIG_SPL_TEXT_BASE),)
 189 LDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_SPL_TEXT_BASE)
 190 endif
 191
 192 ifdef CONFIG_SUNXI
 193 quiet_cmd_mksunxiboot = MKSUNXI $@
 194 cmd_mksunxiboot = $(objtree)/tools/mksunxiboot $< $@
 195 $(obj)/sunxi-spl.bin: $(obj)/$(SPL_BIN).bin
 196         $(call if_changed,mksunxiboot)
 197 endif
 198
 199 quiet_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
 210 PHONY += $(u-boot-spl-dirs)
 211 $(u-boot-spl-dirs):
 212         $(Q)$(MAKE) $(build)=$@
 213
 214 quiet_cmd_cpp_lds = LDS     $@
 215 cmd_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
 223 targets := $(wildcard $(sort $(targets)))
 224 cmd_files := $(wildcard $(obj)/.*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd))
 225
 226 ifneq ($(cmd_files),)
 227   $(cmd_files): ;       # Do not try to update included dependency files
 228   include $(cmd_files)
 229 endif
 230
 231 PHONY += FORCE
 232 FORCE:
 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)