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