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 include $(TOPDIR)/config.mk
  21
  22 # We want the final binaries in this directory
  23 obj := $(OBJTREE)/spl/
  24
  25 HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(SRCTREE)/board/$(VENDOR)/common/Makefile),y,n)
  26
  27 ifdef   CONFIG_SPL_START_S_PATH
  28 START_PATH := $(subst ",,$(CONFIG_SPL_START_S_PATH))
  29 else
  30 START_PATH := $(CPUDIR)
  31 endif
  32
  33 START := $(START_PATH)/start.o
  34 ifeq ($(CPU),x86)
  35 START += $(START_PATH)/start16.o
  36 START += $(START_PATH)/resetvec.o
  37 endif
  38 ifeq ($(CPU),ppc4xx)
  39 START += $(START_PATH)/resetvec.o
  40 endif
  41 ifeq ($(CPU),mpc85xx)
  42 START += $(START_PATH)/resetvec.o
  43 endif
  44
  45 LIBS-y += arch/$(ARCH)/lib/lib$(ARCH).o
  46
  47 LIBS-y += $(CPUDIR)/lib$(CPU).o
  48 ifeq ($(CPU),mpc83xx)
  49 LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
  50 endif
  51 ifeq ($(CPU),mpc85xx)
  52 LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
  53 ifdef CONFIG_SPL_MPC8XXX_INIT_DDR_SUPPORT
  54 LIBS-y += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o
  55 endif
  56 endif
  57 ifeq ($(CPU),mpc86xx)
  58 LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
  59 endif
  60
  61 ifdef SOC
  62 LIBS-y += $(CPUDIR)/$(SOC)/lib$(SOC).o
  63 endif
  64 LIBS-y += board/$(BOARDDIR)/lib$(BOARD).o
  65 LIBS-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/lib$(VENDOR).o
  66
  67 LIBS-$(CONFIG_SPL_FRAMEWORK) += common/spl/libspl.o
  68 LIBS-$(CONFIG_SPL_LIBCOMMON_SUPPORT) += common/libcommon.o
  69 LIBS-$(CONFIG_SPL_LIBDISK_SUPPORT) += disk/libdisk.o
  70 LIBS-$(CONFIG_SPL_I2C_SUPPORT) += drivers/i2c/libi2c.o
  71 LIBS-$(CONFIG_SPL_GPIO_SUPPORT) += drivers/gpio/libgpio.o
  72 LIBS-$(CONFIG_SPL_MMC_SUPPORT) += drivers/mmc/libmmc.o
  73 LIBS-$(CONFIG_SPL_SERIAL_SUPPORT) += drivers/serial/libserial.o
  74 LIBS-$(CONFIG_SPL_SPI_FLASH_SUPPORT) += drivers/mtd/spi/libspi_flash.o
  75 LIBS-$(CONFIG_SPL_SPI_SUPPORT) += drivers/spi/libspi.o
  76 LIBS-$(CONFIG_SPL_FAT_SUPPORT) += fs/fat/libfat.o
  77 LIBS-$(CONFIG_SPL_LIBGENERIC_SUPPORT) += lib/libgeneric.o
  78 LIBS-$(CONFIG_SPL_POWER_SUPPORT) += drivers/power/libpower.o
  79 LIBS-$(CONFIG_SPL_NAND_SUPPORT) += drivers/mtd/nand/libnand.o
  80 LIBS-$(CONFIG_SPL_ONENAND_SUPPORT) += drivers/mtd/onenand/libonenand.o
  81 LIBS-$(CONFIG_SPL_DMA_SUPPORT) += drivers/dma/libdma.o
  82 LIBS-$(CONFIG_SPL_POST_MEM_SUPPORT) += post/drivers/memory.o
  83 LIBS-$(CONFIG_SPL_NET_SUPPORT) += net/libnet.o
  84 LIBS-$(CONFIG_SPL_ETH_SUPPORT) += drivers/net/libnet.o
  85 LIBS-$(CONFIG_SPL_ETH_SUPPORT) += drivers/net/phy/libphy.o
  86 LIBS-$(CONFIG_SPL_USBETH_SUPPORT) += drivers/net/phy/libphy.o
  87 LIBS-$(CONFIG_SPL_MUSB_NEW_SUPPORT) += drivers/usb/musb-new/libusb_musb-new.o
  88 LIBS-$(CONFIG_SPL_USBETH_SUPPORT) += drivers/usb/gadget/libusb_gadget.o
  89
  90 ifneq ($(CONFIG_OMAP_COMMON),)
  91 LIBS-y += $(CPUDIR)/omap-common/libomap-common.o
  92 endif
  93
  94 ifneq (,$(CONFIG_MX23)$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35))
  95 LIBS-y += arch/$(ARCH)/imx-common/libimx-common.o
  96 endif
  97
  98 ifneq ($(CONFIG_TEGRA),)
  99 LIBS-y += arch/$(ARCH)/cpu/$(SOC)-common/lib$(SOC)-common.o
 100 LIBS-y += arch/$(ARCH)/cpu/tegra-common/libcputegra-common.o
 101 LIBS-y += $(CPUDIR)/tegra-common/libtegra-common.o
 102 endif
 103
 104 ifneq ($(CONFIG_MX23)$(CONFIG_MX35),)
 105 LIBS-y += arch/$(ARCH)/imx-common/libimx-common.o
 106 endif
 107
 108 ifeq ($(SOC),exynos)
 109 LIBS-y += $(CPUDIR)/s5p-common/libs5p-common.o
 110 endif
 111
 112 # Add GCC lib
 113 ifeq ("$(USE_PRIVATE_LIBGCC)", "yes")
 114 PLATFORM_LIBGCC = $(SPLTREE)/arch/$(ARCH)/lib/libgcc.o
 115 PLATFORM_LIBS := $(filter-out %/libgcc.o, $(filter-out -lgcc, $(PLATFORM_LIBS))) $(PLATFORM_LIBGCC)
 116 endif
 117
 118 START := $(addprefix $(SPLTREE)/,$(START))
 119 LIBS := $(addprefix $(SPLTREE)/,$(sort $(LIBS-y)))
 120
 121 __START := $(subst $(obj),,$(START))
 122 __LIBS := $(subst $(obj),,$(LIBS))
 123
 124 # Linker Script
 125 ifdef CONFIG_SPL_LDSCRIPT
 126 # need to strip off double quotes
 127 LDSCRIPT := $(addprefix $(SRCTREE)/,$(subst ",,$(CONFIG_SPL_LDSCRIPT)))
 128 endif
 129
 130 ifeq ($(wildcard $(LDSCRIPT)),)
 131         LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-spl.lds
 132 endif
 133 ifeq ($(wildcard $(LDSCRIPT)),)
 134         LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot-spl.lds
 135 endif
 136 ifeq ($(wildcard $(LDSCRIPT)),)
 137         LDSCRIPT := $(TOPDIR)/arch/$(ARCH)/cpu/u-boot-spl.lds
 138 endif
 139 ifeq ($(wildcard $(LDSCRIPT)),)
 140 $(error could not find linker script)
 141 endif
 142
 143 # Special flags for CPP when processing the linker script.
 144 # Pass the version down so we can handle backwards compatibility
 145 # on the fly.
 146 LDPPFLAGS += \
 147         -include $(TOPDIR)/include/u-boot/u-boot.lds.h \
 148         -include $(OBJTREE)/include/config.h \
 149         -DCPUDIR=$(CPUDIR) \
 150         $(shell $(LD) --version | \
 151           sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
 152
 153 $(OBJTREE)/MLO: $(obj)u-boot-spl.bin
 154         $(OBJTREE)/tools/mkimage -T omapimage \
 155                 -a $(CONFIG_SPL_TEXT_BASE) -d $< $@
 156
 157 $(OBJTREE)/MLO.byteswap: $(obj)u-boot-spl.bin
 158         $(OBJTREE)/tools/mkimage -T omapimage -n byteswap \
 159                 -a $(CONFIG_SPL_TEXT_BASE) -d $< $@
 160
 161 $(OBJTREE)/SPL : $(obj)u-boot-spl.bin depend
 162                 $(MAKE) -C $(SRCTREE)/arch/arm/imx-common $@
 163
 164 ALL-y   += $(obj)u-boot-spl.bin
 165
 166 ifdef CONFIG_SAMSUNG
 167 ALL-y   += $(obj)$(BOARD)-spl.bin
 168 endif
 169
 170 all:    $(ALL-y)
 171
 172 ifdef CONFIG_SAMSUNG
 173 $(obj)$(BOARD)-spl.bin: $(obj)u-boot-spl.bin
 174         $(OBJTREE)/tools/mk$(BOARD)spl \
 175                 $(obj)u-boot-spl.bin $(obj)$(BOARD)-spl.bin
 176 endif
 177
 178 $(obj)u-boot-spl.bin:   $(obj)u-boot-spl
 179         $(OBJCOPY) $(OBJCFLAGS) -O binary $< $@
 180
 181 GEN_UBOOT = \
 182         cd $(obj) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) $(__START) \
 183                 --start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \
 184                 -Map u-boot-spl.map -o u-boot-spl
 185
 186 $(obj)u-boot-spl:       depend $(START) $(LIBS) $(obj)u-boot-spl.lds
 187         $(GEN_UBOOT)
 188
 189 $(START):       depend
 190         $(MAKE) -C $(SRCTREE)/$(START_PATH) $@
 191
 192 $(LIBS):        depend
 193         $(MAKE) -C $(SRCTREE)$(dir $(subst $(SPLTREE),,$@))
 194
 195 $(obj)u-boot-spl.lds: $(LDSCRIPT) depend
 196         $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -I$(obj). -ansi -D__ASSEMBLY__ -P - < $< > $@
 197
 198 depend: $(obj).depend
 199 .PHONY: depend
 200
 201 # defines $(obj).depend target
 202 include $(SRCTREE)/rules.mk