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/lib$(ARCH).o
  58
  59 LIBS-y += $(CPUDIR)/lib$(CPU).o
  60 ifeq ($(CPU),mpc83xx)
  61 LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
  62 endif
  63 ifeq ($(CPU),mpc85xx)
  64 LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
  65 ifdef CONFIG_SPL_MPC8XXX_INIT_DDR_SUPPORT
  66 LIBS-y += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o
  67 endif
  68 endif
  69 ifeq ($(CPU),mpc86xx)
  70 LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
  71 endif
  72
  73 ifdef SOC
  74 LIBS-y += $(CPUDIR)/$(SOC)/lib$(SOC).o
  75 endif
  76 LIBS-y += board/$(BOARDDIR)/lib$(BOARD).o
  77 LIBS-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/lib$(VENDOR).o
  78
  79 LIBS-$(CONFIG_SPL_FRAMEWORK) += common/spl/libspl.o
  80 LIBS-$(CONFIG_SPL_LIBCOMMON_SUPPORT) += common/libcommon.o
  81 LIBS-$(CONFIG_SPL_LIBDISK_SUPPORT) += disk/libdisk.o
  82 LIBS-$(CONFIG_SPL_I2C_SUPPORT) += drivers/i2c/libi2c.o
  83 LIBS-$(CONFIG_SPL_GPIO_SUPPORT) += drivers/gpio/libgpio.o
  84 LIBS-$(CONFIG_SPL_MMC_SUPPORT) += drivers/mmc/libmmc.o
  85 LIBS-$(CONFIG_SPL_SERIAL_SUPPORT) += drivers/serial/libserial.o
  86 LIBS-$(CONFIG_SPL_SPI_FLASH_SUPPORT) += drivers/mtd/spi/libspi_flash.o
  87 LIBS-$(CONFIG_SPL_SPI_SUPPORT) += drivers/spi/libspi.o
  88 LIBS-$(CONFIG_SPL_FAT_SUPPORT) += fs/fat/libfat.o
  89 LIBS-$(CONFIG_SPL_LIBGENERIC_SUPPORT) += lib/libgeneric.o
  90 LIBS-$(CONFIG_SPL_POWER_SUPPORT) += drivers/power/libpower.o \
  91         drivers/power/pmic/libpmic.o
  92 LIBS-$(CONFIG_SPL_NAND_SUPPORT) += drivers/mtd/nand/libnand.o
  93 LIBS-$(CONFIG_SPL_ONENAND_SUPPORT) += drivers/mtd/onenand/libonenand.o
  94 LIBS-$(CONFIG_SPL_DMA_SUPPORT) += drivers/dma/libdma.o
  95 LIBS-$(CONFIG_SPL_POST_MEM_SUPPORT) += post/drivers/memory.o
  96 LIBS-$(CONFIG_SPL_NET_SUPPORT) += net/libnet.o
  97 LIBS-$(CONFIG_SPL_ETH_SUPPORT) += drivers/net/libnet.o
  98 LIBS-$(CONFIG_SPL_ETH_SUPPORT) += drivers/net/phy/libphy.o
  99 LIBS-$(CONFIG_SPL_USBETH_SUPPORT) += drivers/net/phy/libphy.o
 100 LIBS-$(CONFIG_SPL_MUSB_NEW_SUPPORT) += drivers/usb/musb-new/libusb_musb-new.o
 101 LIBS-$(CONFIG_SPL_USBETH_SUPPORT) += drivers/usb/gadget/libusb_gadget.o
 102 LIBS-$(CONFIG_SPL_WATCHDOG_SUPPORT) += drivers/watchdog/libwatchdog.o
 103
 104 ifneq (,$(CONFIG_MX23)$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35))
 105 LIBS-y += arch/$(ARCH)/imx-common/libimx-common.o
 106 endif
 107
 108 LIBS-$(CONFIG_ARM) += arch/arm/cpu/libcpu.o
 109
 110 ifneq ($(CONFIG_MX23)$(CONFIG_MX35),)
 111 LIBS-y += arch/$(ARCH)/imx-common/libimx-common.o
 112 endif
 113
 114 ifeq ($(SOC),exynos)
 115 LIBS-y += $(CPUDIR)/s5p-common/libs5p-common.o
 116 endif
 117
 118 # Add GCC lib
 119 ifeq ("$(USE_PRIVATE_LIBGCC)", "yes")
 120 PLATFORM_LIBGCC = $(SPLTREE)/arch/$(ARCH)/lib/libgcc.o
 121 PLATFORM_LIBS := $(filter-out %/libgcc.o, $(filter-out -lgcc, $(PLATFORM_LIBS))) $(PLATFORM_LIBGCC)
 122 endif
 123
 124 START := $(addprefix $(SPLTREE)/,$(START))
 125 LIBS := $(addprefix $(SPLTREE)/,$(sort $(LIBS-y)))
 126
 127 __START := $(subst $(obj),,$(START))
 128 __LIBS := $(subst $(obj),,$(LIBS))
 129
 130 # Linker Script
 131 ifdef CONFIG_SPL_LDSCRIPT
 132 # need to strip off double quotes
 133 LDSCRIPT := $(addprefix $(SRCTREE)/,$(subst ",,$(CONFIG_SPL_LDSCRIPT)))
 134 endif
 135
 136 ifeq ($(wildcard $(LDSCRIPT)),)
 137         LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-spl.lds
 138 endif
 139 ifeq ($(wildcard $(LDSCRIPT)),)
 140         LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot-spl.lds
 141 endif
 142 ifeq ($(wildcard $(LDSCRIPT)),)
 143         LDSCRIPT := $(TOPDIR)/arch/$(ARCH)/cpu/u-boot-spl.lds
 144 endif
 145 ifeq ($(wildcard $(LDSCRIPT)),)
 146 $(error could not find linker script)
 147 endif
 148
 149 build := -f $(TOPDIR)/scripts/Makefile.build -C
 150
 151 # Special flags for CPP when processing the linker script.
 152 # Pass the version down so we can handle backwards compatibility
 153 # on the fly.
 154 LDPPFLAGS += \
 155         -include $(TOPDIR)/include/u-boot/u-boot.lds.h \
 156         -include $(OBJTREE)/include/config.h \
 157         -DCPUDIR=$(CPUDIR) \
 158         $(shell $(LD) --version | \
 159           sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
 160
 161 $(OBJTREE)/MLO: $(obj)u-boot-spl.bin
 162         $(OBJTREE)/tools/mkimage -T omapimage \
 163                 -a $(CONFIG_SPL_TEXT_BASE) -d $< $@
 164
 165 $(OBJTREE)/MLO.byteswap: $(obj)u-boot-spl.bin
 166         $(OBJTREE)/tools/mkimage -T omapimage -n byteswap \
 167                 -a $(CONFIG_SPL_TEXT_BASE) -d $< $@
 168
 169 $(OBJTREE)/SPL : $(obj)u-boot-spl.bin depend
 170                 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common $@
 171
 172 ALL-y   += $(obj)$(SPL_BIN).bin
 173
 174 ifdef CONFIG_SAMSUNG
 175 ALL-y   += $(obj)$(BOARD)-spl.bin
 176 endif
 177
 178 all:    $(ALL-y)
 179
 180 ifdef CONFIG_SAMSUNG
 181 $(obj)$(BOARD)-spl.bin: $(obj)u-boot-spl.bin
 182         $(OBJTREE)/tools/mk$(BOARD)spl \
 183                 $(obj)u-boot-spl.bin $(obj)$(BOARD)-spl.bin
 184 endif
 185
 186 $(obj)$(SPL_BIN).bin:   $(obj)$(SPL_BIN)
 187         $(OBJCOPY) $(OBJCFLAGS) -O binary $< $@
 188
 189 GEN_UBOOT = \
 190         cd $(obj) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) $(__START) \
 191                 --start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \
 192                 -Map $(SPL_BIN).map -o $(SPL_BIN)
 193
 194 $(obj)$(SPL_BIN):       depend $(START) $(LIBS) $(obj)u-boot-spl.lds
 195         $(GEN_UBOOT)
 196
 197 # Tentative step for Kbuild-style makefiles coexist with conventional U-Boot style makefiles
 198 #  U-Boot conventional sub makefiles always include some other makefiles.
 199 #  So, the build system searches a line beginning with "include" before entering into the sub makefile
 200 #  in order to distinguish which style it is.
 201 #  If the Makefile include a "include" line, we assume it is an U-Boot style makefile.
 202 #  Otherwise, it is treated as a Kbuild-style makefile.
 203 select_makefile = \
 204         if grep -q "^include" $1/Makefile; then                         \
 205                 $(MAKE) -C $1;                                          \
 206         else                                                            \
 207                 $(MAKE) -C $1 -f $(TOPDIR)/scripts/Makefile.build;      \
 208                 mv $(dir $@)built-in.o $@;                              \
 209         fi
 210
 211 # We do not need to build $(START) explicitly.
 212 # It is built while we are at $(CPUDIR)/lib$(CPU).o build.
 213 $(START):       depend
 214         if grep -q "^include" $(SRCTREE)$(dir $(subst $(SPLTREE),,$@))Makefile; then \
 215                 $(MAKE) -C $(SRCTREE)/$(START_PATH) $@; \
 216         fi
 217
 218 $(LIBS):        depend
 219         +$(call select_makefile, $(SRCTREE)$(dir $(subst $(SPLTREE),,$@)))
 220
 221 $(obj)u-boot-spl.lds: $(LDSCRIPT) depend
 222         $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -I$(obj). -ansi -D__ASSEMBLY__ -P - < $< > $@
 223
 224 depend: $(obj).depend
 225 .PHONY: depend
 226
 227 # defines $(obj).depend target
 228 include $(SRCTREE)/rules.mk