spl/Makefile

   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 $(srctree)/scripts/Kbuild.include
  23
  24 CONFIG_SPL_BUILD := y
  25 export CONFIG_SPL_BUILD
  26
  27 KBUILD_CPPFLAGS += -DCONFIG_SPL_BUILD
  28 ifeq ($(CONFIG_TPL_BUILD),y)
  29 KBUILD_CPPFLAGS += -DCONFIG_TPL_BUILD
  30 endif
  31
  32 # Enable garbage collection of un-used sections for SPL
  33 KBUILD_CFLAGS += -ffunction-sections -fdata-sections
  34 LDFLAGS_FINAL += --gc-sections
  35
  36 ifeq ($(CONFIG_TPL_BUILD),y)
  37 export CONFIG_TPL_BUILD
  38 SPL_BIN := u-boot-tpl
  39 else
  40 SPL_BIN := u-boot-spl
  41 endif
  42
  43 include include/config.mk
  44
  45 ifeq ($(CONFIG_TPL_BUILD),y)
  46   -include include/tpl-autoconf.mk
  47 else
  48   -include include/spl-autoconf.mk
  49 endif
  50
  51 include $(TOPDIR)/config.mk
  52
  53 # FIX ME
  54 c_flags := $(KBUILD_CFLAGS) $(KBUILD_CPPFLAGS) $(CPPFLAGS) $(UBOOTINCLUDE) $(NOSTDINC_FLAGS)
  55
  56 # Auto-generate the spl-autoconf.mk file (which is included by all makefiles for SPL)
  57 quiet_cmd_autoconf = GEN     $@
  58       cmd_autoconf = \
  59         $(CPP) $(c_flags) -DDO_DEPS_ONLY -dM $(srctree)/include/common.h > $@.tmp && \
  60                 sed -n -f $(srctree)/tools/scripts/define2mk.sed $@.tmp > $@; \
  61         rm $@.tmp
  62
  63 include/tpl-autoconf.mk: include/config.h
  64         $(call cmd,autoconf)
  65
  66 include/spl-autoconf.mk: include/config.h
  67         $(call cmd,autoconf)
  68
  69 HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(SRCTREE)/board/$(VENDOR)/common/Makefile),y,n)
  70
  71 ifdef   CONFIG_SPL_START_S_PATH
  72 START_PATH := $(CONFIG_SPL_START_S_PATH:"%"=%)
  73 else
  74 START_PATH := $(CPUDIR)
  75 endif
  76
  77 head-y := $(START_PATH)/start.o
  78 head-$(CONFIG_X86) += $(START_PATH)/start16.o $(START_PATH)/resetvec.o
  79 head-$(CONFIG_4xx) += $(START_PATH)/resetvec.o
  80 head-$(CONFIG_MPC85xx) += $(START_PATH)/resetvec.o
  81
  82 libs-y += arch/$(ARCH)/lib/
  83
  84 libs-y += $(CPUDIR)/
  85
  86 ifdef SOC
  87 libs-y += $(CPUDIR)/$(SOC)/
  88 endif
  89 libs-y += board/$(BOARDDIR)/
  90 libs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/
  91
  92 libs-$(CONFIG_SPL_FRAMEWORK) += common/spl/
  93 libs-$(CONFIG_SPL_LIBCOMMON_SUPPORT) += common/
  94 libs-$(CONFIG_SPL_LIBDISK_SUPPORT) += disk/
  95 libs-$(CONFIG_SPL_I2C_SUPPORT) += drivers/i2c/
  96 libs-$(CONFIG_SPL_GPIO_SUPPORT) += drivers/gpio/
  97 libs-$(CONFIG_SPL_MMC_SUPPORT) += drivers/mmc/
  98 libs-$(CONFIG_SPL_MPC8XXX_INIT_DDR_SUPPORT) += drivers/ddr/fsl/
  99 libs-$(CONFIG_SPL_SERIAL_SUPPORT) += drivers/serial/
 100 libs-$(CONFIG_SPL_SPI_FLASH_SUPPORT) += drivers/mtd/spi/
 101 libs-$(CONFIG_SPL_SPI_SUPPORT) += drivers/spi/
 102 libs-y += fs/
 103 libs-$(CONFIG_SPL_LIBGENERIC_SUPPORT) += lib/
 104 libs-$(CONFIG_SPL_POWER_SUPPORT) += drivers/power/ drivers/power/pmic/
 105 libs-$(if $(CONFIG_CMD_NAND),$(CONFIG_SPL_NAND_SUPPORT)) += drivers/mtd/nand/
 106 libs-$(CONFIG_SPL_DRIVERS_MISC_SUPPORT) += drivers/misc/
 107 libs-$(CONFIG_SPL_ONENAND_SUPPORT) += drivers/mtd/onenand/
 108 libs-$(CONFIG_SPL_DMA_SUPPORT) += drivers/dma/
 109 libs-$(CONFIG_SPL_POST_MEM_SUPPORT) += post/drivers/
 110 libs-$(CONFIG_SPL_NET_SUPPORT) += net/
 111 libs-$(CONFIG_SPL_ETH_SUPPORT) += drivers/net/
 112 libs-$(CONFIG_SPL_ETH_SUPPORT) += drivers/net/phy/
 113 libs-$(CONFIG_SPL_USBETH_SUPPORT) += drivers/net/phy/
 114 libs-$(CONFIG_SPL_MUSB_NEW_SUPPORT) += drivers/usb/musb-new/
 115 libs-$(CONFIG_SPL_USBETH_SUPPORT) += drivers/usb/gadget/
 116 libs-$(CONFIG_SPL_WATCHDOG_SUPPORT) += drivers/watchdog/
 117 libs-$(CONFIG_SPL_USB_HOST_SUPPORT) += drivers/usb/host/
 118 libs-$(CONFIG_OMAP_USB_PHY) += drivers/usb/phy/
 119 libs-$(CONFIG_SPL_SATA_SUPPORT) += drivers/block/
 120
 121 ifneq (,$(CONFIG_MX23)$(CONFIG_MX35)$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35))
 122 libs-y += arch/$(ARCH)/imx-common/
 123 endif
 124
 125 libs-$(CONFIG_ARM) += arch/arm/cpu/
 126 libs-$(CONFIG_PPC) += arch/powerpc/cpu/
 127
 128 head-y          := $(addprefix $(obj)/,$(head-y))
 129 libs-y          := $(addprefix $(obj)/,$(libs-y))
 130 u-boot-spl-dirs := $(patsubst %/,%,$(filter %/, $(libs-y)))
 131
 132 libs-y := $(patsubst %/, %/built-in.o, $(libs-y))
 133
 134 # Add GCC lib
 135 ifeq ("$(USE_PRIVATE_LIBGCC)", "yes")
 136 PLATFORM_LIBS := $(SPLTREE)/arch/$(ARCH)/lib/lib.a
 137 endif
 138
 139 u-boot-spl-init := $(head-y)
 140 u-boot-spl-main := $(libs-y)
 141
 142 # Linker Script
 143 ifdef CONFIG_SPL_LDSCRIPT
 144 # need to strip off double quotes
 145 LDSCRIPT := $(addprefix $(SRCTREE)/,$(CONFIG_SPL_LDSCRIPT:"%"=%))
 146 endif
 147
 148 ifeq ($(wildcard $(LDSCRIPT)),)
 149         LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-spl.lds
 150 endif
 151 ifeq ($(wildcard $(LDSCRIPT)),)
 152         LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot-spl.lds
 153 endif
 154 ifeq ($(wildcard $(LDSCRIPT)),)
 155         LDSCRIPT := $(TOPDIR)/arch/$(ARCH)/cpu/u-boot-spl.lds
 156 endif
 157 ifeq ($(wildcard $(LDSCRIPT)),)
 158 $(error could not find linker script)
 159 endif
 160
 161 # Special flags for CPP when processing the linker script.
 162 # Pass the version down so we can handle backwards compatibility
 163 # on the fly.
 164 LDPPFLAGS += \
 165         -include $(TOPDIR)/include/u-boot/u-boot.lds.h \
 166         -include $(OBJTREE)/include/config.h \
 167         -DCPUDIR=$(CPUDIR) \
 168         $(shell $(LD) --version | \
 169           sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
 170
 171 $(OBJTREE)/MLO: $(obj)/u-boot-spl.bin
 172         $(OBJTREE)/tools/mkimage -T omapimage \
 173                 -a $(CONFIG_SPL_TEXT_BASE) -d $< $@
 174
 175 $(OBJTREE)/MLO.byteswap: $(obj)/u-boot-spl.bin
 176         $(OBJTREE)/tools/mkimage -T omapimage -n byteswap \
 177                 -a $(CONFIG_SPL_TEXT_BASE) -d $< $@
 178
 179 $(objtree)/SPL : $(obj)/u-boot-spl.bin
 180                 $(MAKE) $(build)=spl/arch/arm/imx-common $@
 181
 182 ALL-y   += $(obj)/$(SPL_BIN).bin
 183
 184 ifdef CONFIG_SAMSUNG
 185 ALL-y   += $(obj)/$(BOARD)-spl.bin
 186 endif
 187
 188 all:    $(ALL-y)
 189
 190 ifdef CONFIG_SAMSUNG
 191 ifdef CONFIG_VAR_SIZE_SPL
 192 VAR_SIZE_PARAM = --vs
 193 else
 194 VAR_SIZE_PARAM =
 195 endif
 196 $(obj)/$(BOARD)-spl.bin: $(obj)/u-boot-spl.bin
 197         $(if $(wildcard $(OBJTREE)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl),\
 198         $(OBJTREE)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl,\
 199         $(OBJTREE)/tools/mkexynosspl) $(VAR_SIZE_PARAM) $< $@
 200 endif
 201
 202 $(obj)/$(SPL_BIN).bin:  $(obj)/$(SPL_BIN)
 203         $(OBJCOPY) $(OBJCFLAGS) $(SPL_OBJCFLAGS) -O binary $< $@
 204
 205 LDFLAGS_$(SPL_BIN) += -T u-boot-spl.lds $(LDFLAGS_FINAL)
 206 ifneq ($(CONFIG_SPL_TEXT_BASE),)
 207 LDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_SPL_TEXT_BASE)
 208 endif
 209
 210 quiet_cmd_u-boot-spl = LD      $@
 211       cmd_u-boot-spl = cd $(obj) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \
 212                        $(patsubst $(obj)/%,%,$(u-boot-spl-init)) --start-group \
 213                        $(patsubst $(obj)/%,%,$(u-boot-spl-main)) --end-group \
 214                        $(PLATFORM_LIBS) -Map $(SPL_BIN).map -o $(SPL_BIN)
 215
 216 $(obj)/$(SPL_BIN): $(u-boot-spl-init) $(u-boot-spl-main) $(obj)/u-boot-spl.lds
 217         $(call cmd,u-boot-spl)
 218
 219 $(sort $(u-boot-spl-init) $(u-boot-spl-main)): $(u-boot-spl-dirs) ;
 220
 221 PHONY += $(u-boot-spl-dirs)
 222 $(u-boot-spl-dirs):
 223         $(Q)$(MAKE) $(build)=$@
 224
 225 # FIX ME
 226 cpp_flags := $(KBUILD_CPPFLAGS) $(CPPFLAGS) $(UBOOTINCLUDE) $(NOSTDINC_FLAGS)
 227
 228 $(obj)/u-boot-spl.lds: $(LDSCRIPT) FORCE
 229         $(CPP) $(cpp_flags) $(LDPPFLAGS) -I$(obj). -ansi -D__ASSEMBLY__ -P - < $< > $@
 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)