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-$(CONFIG_SPL_POWER_SUPPORT) += drivers/power/ \
 105         drivers/power/pmic/
 106 LIBS-$(if $(CONFIG_CMD_NAND),$(CONFIG_SPL_NAND_SUPPORT)) += drivers/mtd/nand/
 107 LIBS-$(CONFIG_SPL_DRIVERS_MISC_SUPPORT) += drivers/misc/
 108 LIBS-$(CONFIG_SPL_ONENAND_SUPPORT) += drivers/mtd/onenand/
 109 LIBS-$(CONFIG_SPL_DMA_SUPPORT) += drivers/dma/
 110 LIBS-$(CONFIG_SPL_POST_MEM_SUPPORT) += post/drivers/
 111 LIBS-$(CONFIG_SPL_NET_SUPPORT) += net/
 112 LIBS-$(CONFIG_SPL_ETH_SUPPORT) += drivers/net/
 113 LIBS-$(CONFIG_SPL_ETH_SUPPORT) += drivers/net/phy/
 114 LIBS-$(CONFIG_SPL_USBETH_SUPPORT) += drivers/net/phy/
 115 LIBS-$(CONFIG_SPL_MUSB_NEW_SUPPORT) += drivers/usb/musb-new/
 116 LIBS-$(CONFIG_SPL_USBETH_SUPPORT) += drivers/usb/gadget/
 117 LIBS-$(CONFIG_SPL_WATCHDOG_SUPPORT) += drivers/watchdog/
 118 LIBS-$(CONFIG_SPL_USB_HOST_SUPPORT) += drivers/usb/host/
 119 LIBS-$(CONFIG_OMAP_USB_PHY) += drivers/usb/phy/
 120 LIBS-$(CONFIG_SPL_SATA_SUPPORT) += drivers/block/
 121
 122 ifneq (,$(CONFIG_MX23)$(CONFIG_MX35)$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35))
 123 LIBS-y += arch/$(ARCH)/imx-common/
 124 endif
 125
 126 LIBS-$(CONFIG_ARM) += arch/arm/cpu/
 127 LIBS-$(CONFIG_PPC) += arch/powerpc/cpu/
 128
 129 LIBS-y := $(patsubst %/, %/built-in.o, $(LIBS-y))
 130
 131 # Add GCC lib
 132 ifeq ("$(USE_PRIVATE_LIBGCC)", "yes")
 133 PLATFORM_LIBS := $(SPLTREE)/arch/$(ARCH)/lib/lib.a
 134 endif
 135
 136 LIBS-y := $(sort $(LIBS-y))
 137
 138 __START := $(head-y)
 139 __LIBS := $(LIBS-y)
 140
 141 START := $(addprefix $(obj)/,$(head-y))
 142 LIBS := $(addprefix $(obj)/,$(LIBS-y))
 143
 144 # Linker Script
 145 ifdef CONFIG_SPL_LDSCRIPT
 146 # need to strip off double quotes
 147 LDSCRIPT := $(addprefix $(SRCTREE)/,$(CONFIG_SPL_LDSCRIPT:"%"=%))
 148 endif
 149
 150 ifeq ($(wildcard $(LDSCRIPT)),)
 151         LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-spl.lds
 152 endif
 153 ifeq ($(wildcard $(LDSCRIPT)),)
 154         LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot-spl.lds
 155 endif
 156 ifeq ($(wildcard $(LDSCRIPT)),)
 157         LDSCRIPT := $(TOPDIR)/arch/$(ARCH)/cpu/u-boot-spl.lds
 158 endif
 159 ifeq ($(wildcard $(LDSCRIPT)),)
 160 $(error could not find linker script)
 161 endif
 162
 163 # Special flags for CPP when processing the linker script.
 164 # Pass the version down so we can handle backwards compatibility
 165 # on the fly.
 166 LDPPFLAGS += \
 167         -include $(TOPDIR)/include/u-boot/u-boot.lds.h \
 168         -include $(OBJTREE)/include/config.h \
 169         -DCPUDIR=$(CPUDIR) \
 170         $(shell $(LD) --version | \
 171           sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
 172
 173 $(OBJTREE)/MLO: $(obj)/u-boot-spl.bin
 174         $(OBJTREE)/tools/mkimage -T omapimage \
 175                 -a $(CONFIG_SPL_TEXT_BASE) -d $< $@
 176
 177 $(OBJTREE)/MLO.byteswap: $(obj)/u-boot-spl.bin
 178         $(OBJTREE)/tools/mkimage -T omapimage -n byteswap \
 179                 -a $(CONFIG_SPL_TEXT_BASE) -d $< $@
 180
 181 $(objtree)/SPL : $(obj)/u-boot-spl.bin
 182                 $(MAKE) $(build)=spl/arch/arm/imx-common $@
 183
 184 ALL-y   += $(obj)/$(SPL_BIN).bin
 185
 186 ifdef CONFIG_SAMSUNG
 187 ALL-y   += $(obj)/$(BOARD)-spl.bin
 188 endif
 189
 190 all:    $(ALL-y)
 191
 192 ifdef CONFIG_SAMSUNG
 193 ifdef CONFIG_VAR_SIZE_SPL
 194 VAR_SIZE_PARAM = --vs
 195 else
 196 VAR_SIZE_PARAM =
 197 endif
 198 $(obj)/$(BOARD)-spl.bin: $(obj)/u-boot-spl.bin
 199         $(if $(wildcard $(OBJTREE)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl),\
 200         $(OBJTREE)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl,\
 201         $(OBJTREE)/tools/mkexynosspl) $(VAR_SIZE_PARAM) $< $@
 202 endif
 203
 204 $(obj)/$(SPL_BIN).bin:  $(obj)/$(SPL_BIN)
 205         $(OBJCOPY) $(OBJCFLAGS) $(SPL_OBJCFLAGS) -O binary $< $@
 206
 207 LDFLAGS_$(SPL_BIN) += -T u-boot-spl.lds $(LDFLAGS_FINAL)
 208 ifneq ($(CONFIG_SPL_TEXT_BASE),)
 209 LDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_SPL_TEXT_BASE)
 210 endif
 211
 212 GEN_UBOOT = \
 213         cd $(obj) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) $(__START) \
 214                 --start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \
 215                 -Map $(SPL_BIN).map -o $(SPL_BIN)
 216
 217 $(obj)/$(SPL_BIN): $(START) $(LIBS) $(obj)/u-boot-spl.lds
 218         $(GEN_UBOOT)
 219
 220 $(START):
 221         @:
 222
 223 $(LIBS):
 224         $(Q)$(MAKE) $(build)=$(patsubst %/,%,$(dir $@))
 225
 226 # FIX ME
 227 cpp_flags := $(KBUILD_CPPFLAGS) $(CPPFLAGS) $(UBOOTINCLUDE) $(NOSTDINC_FLAGS)
 228
 229 $(obj)/u-boot-spl.lds: $(LDSCRIPT) FORCE
 230         $(CPP) $(cpp_flags) $(LDPPFLAGS) -I$(obj). -ansi -D__ASSEMBLY__ -P - < $< > $@
 231
 232 PHONY += FORCE
 233 FORCE:
 234
 235 # Declare the contents of the .PHONY variable as phony.  We keep that
 236 # information in a variable so we can use it in if_changed and friends.
 237 .PHONY: $(PHONY)