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_OMAP_COMMON),)
 105 LIBS-y += $(CPUDIR)/omap-common/libomap-common.o
 106 endif
 107
 108 ifneq (,$(CONFIG_MX23)$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35))
 109 LIBS-y += arch/$(ARCH)/imx-common/libimx-common.o
 110 endif
 111
 112 ifneq ($(CONFIG_TEGRA),)
 113 LIBS-y += arch/$(ARCH)/cpu/$(SOC)-common/lib$(SOC)-common.o
 114 LIBS-y += arch/$(ARCH)/cpu/tegra-common/libcputegra-common.o
 115 LIBS-y += $(CPUDIR)/tegra-common/libtegra-common.o
 116 endif
 117
 118 ifneq ($(CONFIG_MX23)$(CONFIG_MX35),)
 119 LIBS-y += arch/$(ARCH)/imx-common/libimx-common.o
 120 endif
 121
 122 ifeq ($(SOC),exynos)
 123 LIBS-y += $(CPUDIR)/s5p-common/libs5p-common.o
 124 endif
 125
 126 # Add GCC lib
 127 ifeq ("$(USE_PRIVATE_LIBGCC)", "yes")
 128 PLATFORM_LIBGCC = $(SPLTREE)/arch/$(ARCH)/lib/libgcc.o
 129 PLATFORM_LIBS := $(filter-out %/libgcc.o, $(filter-out -lgcc, $(PLATFORM_LIBS))) $(PLATFORM_LIBGCC)
 130 endif
 131
 132 START := $(addprefix $(SPLTREE)/,$(START))
 133 LIBS := $(addprefix $(SPLTREE)/,$(sort $(LIBS-y)))
 134
 135 __START := $(subst $(obj),,$(START))
 136 __LIBS := $(subst $(obj),,$(LIBS))
 137
 138 # Linker Script
 139 ifdef CONFIG_SPL_LDSCRIPT
 140 # need to strip off double quotes
 141 LDSCRIPT := $(addprefix $(SRCTREE)/,$(subst ",,$(CONFIG_SPL_LDSCRIPT)))
 142 endif
 143
 144 ifeq ($(wildcard $(LDSCRIPT)),)
 145         LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-spl.lds
 146 endif
 147 ifeq ($(wildcard $(LDSCRIPT)),)
 148         LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot-spl.lds
 149 endif
 150 ifeq ($(wildcard $(LDSCRIPT)),)
 151         LDSCRIPT := $(TOPDIR)/arch/$(ARCH)/cpu/u-boot-spl.lds
 152 endif
 153 ifeq ($(wildcard $(LDSCRIPT)),)
 154 $(error could not find linker script)
 155 endif
 156
 157 build := -f $(TOPDIR)/scripts/Makefile.build -C
 158
 159 # Special flags for CPP when processing the linker script.
 160 # Pass the version down so we can handle backwards compatibility
 161 # on the fly.
 162 LDPPFLAGS += \
 163         -include $(TOPDIR)/include/u-boot/u-boot.lds.h \
 164         -include $(OBJTREE)/include/config.h \
 165         -DCPUDIR=$(CPUDIR) \
 166         $(shell $(LD) --version | \
 167           sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
 168
 169 $(OBJTREE)/MLO: $(obj)u-boot-spl.bin
 170         $(OBJTREE)/tools/mkimage -T omapimage \
 171                 -a $(CONFIG_SPL_TEXT_BASE) -d $< $@
 172
 173 $(OBJTREE)/MLO.byteswap: $(obj)u-boot-spl.bin
 174         $(OBJTREE)/tools/mkimage -T omapimage -n byteswap \
 175                 -a $(CONFIG_SPL_TEXT_BASE) -d $< $@
 176
 177 $(OBJTREE)/SPL : $(obj)u-boot-spl.bin depend
 178                 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common $@
 179
 180 ALL-y   += $(obj)$(SPL_BIN).bin
 181
 182 ifdef CONFIG_SAMSUNG
 183 ALL-y   += $(obj)$(BOARD)-spl.bin
 184 endif
 185
 186 all:    $(ALL-y)
 187
 188 ifdef CONFIG_SAMSUNG
 189 $(obj)$(BOARD)-spl.bin: $(obj)u-boot-spl.bin
 190         $(OBJTREE)/tools/mk$(BOARD)spl \
 191                 $(obj)u-boot-spl.bin $(obj)$(BOARD)-spl.bin
 192 endif
 193
 194 $(obj)$(SPL_BIN).bin:   $(obj)$(SPL_BIN)
 195         $(OBJCOPY) $(OBJCFLAGS) -O binary $< $@
 196
 197 GEN_UBOOT = \
 198         cd $(obj) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) $(__START) \
 199                 --start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \
 200                 -Map $(SPL_BIN).map -o $(SPL_BIN)
 201
 202 $(obj)$(SPL_BIN):       depend $(START) $(LIBS) $(obj)u-boot-spl.lds
 203         $(GEN_UBOOT)
 204
 205 # Tentative step for Kbuild-style makefiles coexist with conventional U-Boot style makefiles
 206 #  U-Boot conventional sub makefiles always include some other makefiles.
 207 #  So, the build system searches a line beginning with "include" before entering into the sub makefile
 208 #  in order to distinguish which style it is.
 209 #  If the Makefile include a "include" line, we assume it is an U-Boot style makefile.
 210 #  Otherwise, it is treated as a Kbuild-style makefile.
 211 select_makefile = \
 212         if grep -q "^include" $1/Makefile; then                         \
 213                 $(MAKE) -C $1;                                          \
 214         else                                                            \
 215                 $(MAKE) -C $1 -f $(TOPDIR)/scripts/Makefile.build;      \
 216                 mv $(dir $@)built-in.o $@;                              \
 217         fi
 218
 219 # We do not need to build $(START) explicitly.
 220 # It is built while we are at $(CPUDIR)/lib$(CPU).o build.
 221 $(START):       depend
 222         if grep -q "^include" $(SRCTREE)$(dir $(subst $(SPLTREE),,$@))Makefile; then \
 223                 $(MAKE) -C $(SRCTREE)/$(START_PATH) $@; \
 224         fi
 225
 226 $(LIBS):        depend
 227         +$(call select_makefile, $(SRCTREE)$(dir $(subst $(SPLTREE),,$@)))
 228
 229 $(obj)u-boot-spl.lds: $(LDSCRIPT) depend
 230         $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -I$(obj). -ansi -D__ASSEMBLY__ -P - < $< > $@
 231
 232 depend: $(obj).depend
 233 .PHONY: depend
 234
 235 # defines $(obj).depend target
 236 include $(SRCTREE)/rules.mk