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