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 := $(subst ",,$(CONFIG_SPL_START_S_PATH))
  41 else
  42 START_PATH := $(CPUDIR)
  43 endif
  44
  45 START := $(START_PATH)/start.o
  46 ifeq ($(CPU),x86)
  47 START += $(START_PATH)/start16.o
  48 START += $(START_PATH)/resetvec.o
  49 endif
  50 ifeq ($(CPU),ppc4xx)
  51 START += $(START_PATH)/resetvec.o
  52 endif
  53 ifeq ($(CPU),mpc85xx)
  54 START += $(START_PATH)/resetvec.o
  55 endif
  56
  57 LIBS-y += arch/$(ARCH)/lib/
  58
  59 LIBS-y += $(CPUDIR)/
  60
  61 ifdef SOC
  62 LIBS-y += $(CPUDIR)/$(SOC)/
  63 endif
  64 LIBS-y += board/$(BOARDDIR)/
  65 LIBS-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/
  66
  67 LIBS-$(CONFIG_SPL_FRAMEWORK) += common/spl/
  68 LIBS-$(CONFIG_SPL_LIBCOMMON_SUPPORT) += common/
  69 LIBS-$(CONFIG_SPL_LIBDISK_SUPPORT) += disk/
  70 LIBS-$(CONFIG_SPL_I2C_SUPPORT) += drivers/i2c/
  71 LIBS-$(CONFIG_SPL_GPIO_SUPPORT) += drivers/gpio/
  72 LIBS-$(CONFIG_SPL_MMC_SUPPORT) += drivers/mmc/
  73 LIBS-$(CONFIG_SPL_MPC8XXX_INIT_DDR_SUPPORT) += drivers/ddr/fsl/
  74 LIBS-$(CONFIG_SPL_SERIAL_SUPPORT) += drivers/serial/
  75 LIBS-$(CONFIG_SPL_SPI_FLASH_SUPPORT) += drivers/mtd/spi/
  76 LIBS-$(CONFIG_SPL_SPI_SUPPORT) += drivers/spi/
  77 LIBS-y += fs/
  78 LIBS-$(CONFIG_SPL_LIBGENERIC_SUPPORT) += lib/
  79 LIBS-$(CONFIG_SPL_POWER_SUPPORT) += drivers/power/ \
  80         drivers/power/pmic/
  81 LIBS-$(CONFIG_SPL_NAND_SUPPORT) += drivers/mtd/nand/
  82 LIBS-$(CONFIG_SPL_ONENAND_SUPPORT) += drivers/mtd/onenand/
  83 LIBS-$(CONFIG_SPL_DMA_SUPPORT) += drivers/dma/
  84 LIBS-$(CONFIG_SPL_POST_MEM_SUPPORT) += post/drivers/
  85 LIBS-$(CONFIG_SPL_NET_SUPPORT) += net/
  86 LIBS-$(CONFIG_SPL_ETH_SUPPORT) += drivers/net/
  87 LIBS-$(CONFIG_SPL_ETH_SUPPORT) += drivers/net/phy/
  88 LIBS-$(CONFIG_SPL_USBETH_SUPPORT) += drivers/net/phy/
  89 LIBS-$(CONFIG_SPL_MUSB_NEW_SUPPORT) += drivers/usb/musb-new/
  90 LIBS-$(CONFIG_SPL_USBETH_SUPPORT) += drivers/usb/gadget/
  91 LIBS-$(CONFIG_SPL_WATCHDOG_SUPPORT) += drivers/watchdog/
  92
  93 ifneq (,$(CONFIG_MX23)$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35))
  94 LIBS-y += arch/$(ARCH)/imx-common/
  95 endif
  96
  97 LIBS-$(CONFIG_ARM) += arch/arm/cpu/
  98 LIBS-$(CONFIG_PPC) += arch/powerpc/cpu/
  99
 100 ifneq ($(CONFIG_MX23)$(CONFIG_MX35),)
 101 LIBS-y += arch/$(ARCH)/imx-common/
 102 endif
 103
 104 LIBS-y := $(patsubst %/, %/built-in.o, $(LIBS-y))
 105
 106 # Add GCC lib
 107 ifeq ("$(USE_PRIVATE_LIBGCC)", "yes")
 108 PLATFORM_LIBGCC = $(SPLTREE)/arch/$(ARCH)/lib/libgcc.o
 109 PLATFORM_LIBS := $(filter-out %/libgcc.o, $(filter-out -lgcc, $(PLATFORM_LIBS))) $(PLATFORM_LIBGCC)
 110 endif
 111
 112 START := $(addprefix $(SPLTREE)/,$(START))
 113 LIBS := $(addprefix $(SPLTREE)/,$(sort $(LIBS-y)))
 114
 115 __START := $(subst $(obj),,$(START))
 116 __LIBS := $(subst $(obj),,$(LIBS))
 117
 118 # Linker Script
 119 ifdef CONFIG_SPL_LDSCRIPT
 120 # need to strip off double quotes
 121 LDSCRIPT := $(addprefix $(SRCTREE)/,$(subst ",,$(CONFIG_SPL_LDSCRIPT)))
 122 endif
 123
 124 ifeq ($(wildcard $(LDSCRIPT)),)
 125         LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-spl.lds
 126 endif
 127 ifeq ($(wildcard $(LDSCRIPT)),)
 128         LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot-spl.lds
 129 endif
 130 ifeq ($(wildcard $(LDSCRIPT)),)
 131         LDSCRIPT := $(TOPDIR)/arch/$(ARCH)/cpu/u-boot-spl.lds
 132 endif
 133 ifeq ($(wildcard $(LDSCRIPT)),)
 134 $(error could not find linker script)
 135 endif
 136
 137 build := -f $(TOPDIR)/scripts/Makefile.build -C
 138
 139 # Special flags for CPP when processing the linker script.
 140 # Pass the version down so we can handle backwards compatibility
 141 # on the fly.
 142 LDPPFLAGS += \
 143         -include $(TOPDIR)/include/u-boot/u-boot.lds.h \
 144         -include $(OBJTREE)/include/config.h \
 145         -DCPUDIR=$(CPUDIR) \
 146         $(shell $(LD) --version | \
 147           sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
 148
 149 $(OBJTREE)/MLO: $(obj)u-boot-spl.bin
 150         $(OBJTREE)/tools/mkimage -T omapimage \
 151                 -a $(CONFIG_SPL_TEXT_BASE) -d $< $@
 152
 153 $(OBJTREE)/MLO.byteswap: $(obj)u-boot-spl.bin
 154         $(OBJTREE)/tools/mkimage -T omapimage -n byteswap \
 155                 -a $(CONFIG_SPL_TEXT_BASE) -d $< $@
 156
 157 $(OBJTREE)/SPL : $(obj)u-boot-spl.bin depend
 158                 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common $@
 159
 160 ALL-y   += $(obj)$(SPL_BIN).bin
 161
 162 ifdef CONFIG_SAMSUNG
 163 ALL-y   += $(obj)$(BOARD)-spl.bin
 164 endif
 165
 166 all:    $(ALL-y)
 167
 168 ifdef CONFIG_SAMSUNG
 169 $(obj)$(BOARD)-spl.bin: $(obj)u-boot-spl.bin
 170         $(OBJTREE)/tools/mk$(BOARD)spl $< $@
 171 endif
 172
 173 $(obj)$(SPL_BIN).bin:   $(obj)$(SPL_BIN)
 174         $(OBJCOPY) $(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