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 include $(srctree)/scripts/Kbuild.include
  18
  19 CONFIG_SPL_BUILD := y
  20 export CONFIG_SPL_BUILD
  21
  22 KBUILD_CPPFLAGS += -DCONFIG_SPL_BUILD
  23 ifeq ($(CONFIG_TPL_BUILD),y)
  24 KBUILD_CPPFLAGS += -DCONFIG_TPL_BUILD
  25 endif
  26
  27 # Enable garbage collection of un-used sections for SPL
  28 KBUILD_CFLAGS += -ffunction-sections -fdata-sections
  29 LDFLAGS_FINAL += --gc-sections
  30
  31 ifeq ($(CONFIG_TPL_BUILD),y)
  32 export CONFIG_TPL_BUILD
  33 SPL_BIN := u-boot-tpl
  34 else
  35 SPL_BIN := u-boot-spl
  36 endif
  37
  38 include $(TOPDIR)/config.mk
  39
  40 # We want the final binaries in this directory
  41 ifeq ($(CONFIG_TPL_BUILD),y)
  42 obj := $(OBJTREE)/tpl/
  43 SPLTREE := $(TPLTREE)
  44 else
  45 obj := $(OBJTREE)/spl/
  46 endif
  47
  48 HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(SRCTREE)/board/$(VENDOR)/common/Makefile),y,n)
  49
  50 ifdef   CONFIG_SPL_START_S_PATH
  51 START_PATH := $(CONFIG_SPL_START_S_PATH:"%"=%)
  52 else
  53 START_PATH := $(CPUDIR)
  54 endif
  55
  56 head-y := $(START_PATH)/start.o
  57 head-$(CONFIG_X86) += $(START_PATH)/start16.o $(START_PATH)/resetvec.o
  58 head-$(CONFIG_4xx) += $(START_PATH)/resetvec.o
  59 head-$(CONFIG_MPC85xx) += $(START_PATH)/resetvec.o
  60
  61 LIBS-y += arch/$(ARCH)/lib/
  62
  63 LIBS-y += $(CPUDIR)/
  64
  65 ifdef SOC
  66 LIBS-y += $(CPUDIR)/$(SOC)/
  67 endif
  68 LIBS-y += board/$(BOARDDIR)/
  69 LIBS-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/
  70
  71 LIBS-$(CONFIG_SPL_FRAMEWORK) += common/spl/
  72 LIBS-$(CONFIG_SPL_LIBCOMMON_SUPPORT) += common/
  73 LIBS-$(CONFIG_SPL_LIBDISK_SUPPORT) += disk/
  74 LIBS-$(CONFIG_SPL_I2C_SUPPORT) += drivers/i2c/
  75 LIBS-$(CONFIG_SPL_GPIO_SUPPORT) += drivers/gpio/
  76 LIBS-$(CONFIG_SPL_MMC_SUPPORT) += drivers/mmc/
  77 LIBS-$(CONFIG_SPL_MPC8XXX_INIT_DDR_SUPPORT) += drivers/ddr/fsl/
  78 LIBS-$(CONFIG_SPL_SERIAL_SUPPORT) += drivers/serial/
  79 LIBS-$(CONFIG_SPL_SPI_FLASH_SUPPORT) += drivers/mtd/spi/
  80 LIBS-$(CONFIG_SPL_SPI_SUPPORT) += drivers/spi/
  81 LIBS-y += fs/
  82 LIBS-$(CONFIG_SPL_LIBGENERIC_SUPPORT) += lib/
  83 LIBS-$(CONFIG_SPL_POWER_SUPPORT) += drivers/power/ \
  84         drivers/power/pmic/
  85 LIBS-$(if $(CONFIG_CMD_NAND),$(CONFIG_SPL_NAND_SUPPORT)) += drivers/mtd/nand/
  86 LIBS-$(CONFIG_SPL_DRIVERS_MISC_SUPPORT) += drivers/misc/
  87 LIBS-$(CONFIG_SPL_ONENAND_SUPPORT) += drivers/mtd/onenand/
  88 LIBS-$(CONFIG_SPL_DMA_SUPPORT) += drivers/dma/
  89 LIBS-$(CONFIG_SPL_POST_MEM_SUPPORT) += post/drivers/
  90 LIBS-$(CONFIG_SPL_NET_SUPPORT) += net/
  91 LIBS-$(CONFIG_SPL_ETH_SUPPORT) += drivers/net/
  92 LIBS-$(CONFIG_SPL_ETH_SUPPORT) += drivers/net/phy/
  93 LIBS-$(CONFIG_SPL_USBETH_SUPPORT) += drivers/net/phy/
  94 LIBS-$(CONFIG_SPL_MUSB_NEW_SUPPORT) += drivers/usb/musb-new/
  95 LIBS-$(CONFIG_SPL_USBETH_SUPPORT) += drivers/usb/gadget/
  96 LIBS-$(CONFIG_SPL_WATCHDOG_SUPPORT) += drivers/watchdog/
  97 LIBS-$(CONFIG_SPL_USB_HOST_SUPPORT) += drivers/usb/host/
  98 LIBS-$(CONFIG_OMAP_USB_PHY) += drivers/usb/phy/
  99 LIBS-$(CONFIG_SPL_SATA_SUPPORT) += drivers/block/
 100
 101 ifneq (,$(CONFIG_MX23)$(CONFIG_MX35)$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35))
 102 LIBS-y += arch/$(ARCH)/imx-common/
 103 endif
 104
 105 LIBS-$(CONFIG_ARM) += arch/arm/cpu/
 106 LIBS-$(CONFIG_PPC) += arch/powerpc/cpu/
 107
 108 LIBS-y := $(patsubst %/, %/built-in.o, $(LIBS-y))
 109
 110 # Add GCC lib
 111 ifeq ("$(USE_PRIVATE_LIBGCC)", "yes")
 112 PLATFORM_LIBGCC = $(SPLTREE)/arch/$(ARCH)/lib/libgcc.o
 113 PLATFORM_LIBS := $(filter-out %/libgcc.o, $(filter-out -lgcc, $(PLATFORM_LIBS))) $(PLATFORM_LIBGCC)
 114 endif
 115
 116 START := $(addprefix $(SPLTREE)/,$(head-y))
 117 LIBS := $(addprefix $(SPLTREE)/,$(sort $(LIBS-y)))
 118
 119 __START := $(subst $(obj),,$(START))
 120 __LIBS := $(subst $(obj),,$(LIBS))
 121
 122 # Linker Script
 123 ifdef CONFIG_SPL_LDSCRIPT
 124 # need to strip off double quotes
 125 LDSCRIPT := $(addprefix $(SRCTREE)/,$(CONFIG_SPL_LDSCRIPT:"%"=%))
 126 endif
 127
 128 ifeq ($(wildcard $(LDSCRIPT)),)
 129         LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-spl.lds
 130 endif
 131 ifeq ($(wildcard $(LDSCRIPT)),)
 132         LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot-spl.lds
 133 endif
 134 ifeq ($(wildcard $(LDSCRIPT)),)
 135         LDSCRIPT := $(TOPDIR)/arch/$(ARCH)/cpu/u-boot-spl.lds
 136 endif
 137 ifeq ($(wildcard $(LDSCRIPT)),)
 138 $(error could not find linker script)
 139 endif
 140
 141 # Special flags for CPP when processing the linker script.
 142 # Pass the version down so we can handle backwards compatibility
 143 # on the fly.
 144 LDPPFLAGS += \
 145         -include $(TOPDIR)/include/u-boot/u-boot.lds.h \
 146         -include $(OBJTREE)/include/config.h \
 147         -DCPUDIR=$(CPUDIR) \
 148         $(shell $(LD) --version | \
 149           sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
 150
 151 $(OBJTREE)/MLO: $(obj)u-boot-spl.bin
 152         $(OBJTREE)/tools/mkimage -T omapimage \
 153                 -a $(CONFIG_SPL_TEXT_BASE) -d $< $@
 154
 155 $(OBJTREE)/MLO.byteswap: $(obj)u-boot-spl.bin
 156         $(OBJTREE)/tools/mkimage -T omapimage -n byteswap \
 157                 -a $(CONFIG_SPL_TEXT_BASE) -d $< $@
 158
 159 $(OBJTREE)/SPL : $(obj)u-boot-spl.bin depend
 160                 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common $@
 161
 162 ALL-y   += $(obj)$(SPL_BIN).bin
 163
 164 ifdef CONFIG_SAMSUNG
 165 ALL-y   += $(obj)$(BOARD)-spl.bin
 166 endif
 167
 168 all:    $(ALL-y)
 169
 170 ifdef CONFIG_SAMSUNG
 171 ifdef CONFIG_VAR_SIZE_SPL
 172 VAR_SIZE_PARAM = --vs
 173 else
 174 VAR_SIZE_PARAM =
 175 endif
 176 $(obj)$(BOARD)-spl.bin: $(obj)u-boot-spl.bin
 177         $(if $(wildcard $(OBJTREE)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl),\
 178         $(OBJTREE)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl,\
 179         $(OBJTREE)/tools/mkexynosspl) $(VAR_SIZE_PARAM) $< $@
 180 endif
 181
 182 $(obj)$(SPL_BIN).bin:   $(obj)$(SPL_BIN)
 183         $(OBJCOPY) $(OBJCFLAGS) $(SPL_OBJCFLAGS) -O binary $< $@
 184
 185 LDFLAGS_$(SPL_BIN) += -T $(obj)u-boot-spl.lds $(LDFLAGS_FINAL)
 186 ifneq ($(CONFIG_SPL_TEXT_BASE),)
 187 LDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_SPL_TEXT_BASE)
 188 endif
 189
 190 GEN_UBOOT = \
 191         cd $(obj) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) $(__START) \
 192                 --start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \
 193                 -Map $(SPL_BIN).map -o $(SPL_BIN)
 194
 195 $(obj)$(SPL_BIN):       depend $(START) $(LIBS) $(obj)u-boot-spl.lds
 196         $(GEN_UBOOT)
 197
 198 $(START):
 199         @:
 200
 201 $(LIBS):        depend
 202         $(MAKE) $(build) $(SRCTREE)$(dir $(subst $(SPLTREE),,$@))
 203
 204 $(obj)u-boot-spl.lds: $(LDSCRIPT) depend
 205         $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -I$(obj). -ansi -D__ASSEMBLY__ -P - < $< > $@
 206
 207 depend: $(obj).depend
 208 .PHONY: depend
 209
 210 # defines $(obj).depend target
 211 include $(SRCTREE)/rules.mk