Makefile 6.0 KB

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