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