arch/arm/Makefile

   1
   2 CPPFLAGS        += -D__ARM__ -fno-strict-aliasing
   3 # Explicitly specifiy 32-bit ARM ISA since toolchain default can be -mthumb:
   4 CPPFLAGS        +=$(call cc-option,-marm,)
   5
   6 ifeq ($(CONFIG_CPU_BIG_ENDIAN),y)
   7 CPPFLAGS        += -mbig-endian
   8 AS              += -EB
   9 LD              += -EB
  10 else
  11 CPPFLAGS        += -mlittle-endian
  12 AS              += -EL
  13 LD              += -EL
  14 endif
  15
  16 comma = ,
  17
  18 # This selects which instruction set is used.
  19 # Note that GCC does not numerically define an architecture version
  20 # macro, but instead defines a whole series of macros which makes
  21 # testing for a specific architecture or later rather impossible.
  22 arch-$(CONFIG_CPU_32v7)         :=-D__LINUX_ARM_ARCH__=7 $(call cc-option,-march=armv7-a,-march=armv5t -Wa$(comma)-march=armv7-a)
  23 arch-$(CONFIG_CPU_32v6)            :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6,-march=armv5t -Wa$(comma)-march=armv6)
  24 arch-$(CONFIG_CPU_32v5)         :=-D__LINUX_ARM_ARCH__=5 $(call cc-option,-march=armv5te,-march=armv4t)
  25 arch-$(CONFIG_CPU_32v4T)        :=-D__LINUX_ARM_ARCH__=4 -march=armv4t
  26
  27 # This selects how we optimise for the processor.
  28 tune-$(CONFIG_CPU_ARM920T)      :=-mtune=arm9tdmi
  29 tune-$(CONFIG_CPU_ARM926T)      :=-mtune=arm9tdmi
  30
  31 ifeq ($(CONFIG_AEABI),y)
  32 CFLAGS_ABI      :=-mabi=aapcs-linux -mno-thumb-interwork
  33 else
  34 CFLAGS_ABI      :=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) $(call cc-option,-mno-thumb-interwork,)
  35 endif
  36
  37 CPPFLAGS += $(CFLAGS_ABI) $(arch-y) $(tune-y)
  38
  39 # Machine directory name.  This list is sorted alphanumerically
  40 # by CONFIG_* macro name.
  41 machine-$(CONFIG_ARCH_AT91)             := at91
  42 machine-$(CONFIG_ARCH_AT91RM9200)       := at91rm9200
  43 machine-$(CONFIG_ARCH_EP93XX)           := ep93xx
  44 machine-$(CONFIG_ARCH_IMX)              := imx
  45 machine-$(CONFIG_ARCH_NOMADIK)          := nomadik
  46 machine-$(CONFIG_ARCH_NETX)             := netx
  47 machine-$(CONFIG_ARCH_OMAP)             := omap
  48 machine-$(CONFIG_ARCH_S3C24xx)          := s3c24xx
  49
  50 # Board directory name.  This list is sorted alphanumerically
  51 # by CONFIG_* macro name.
  52 board-$(CONFIG_MACH_A9M2410)                    := a9m2410
  53 board-$(CONFIG_MACH_A9M2440)                    := a9m2440
  54 board-$(CONFIG_MACH_AT91SAM9260EK)              := at91sam9260ek
  55 board-$(CONFIG_MACH_AT91SAM9263EK)              := at91sam9263ek
  56 board-$(CONFIG_MACH_EDB9301)                    := edb93xx
  57 board-$(CONFIG_MACH_EDB9302)                    := edb93xx
  58 board-$(CONFIG_MACH_EDB9302A)                   := edb93xx
  59 board-$(CONFIG_MACH_EDB9307)                    := edb93xx
  60 board-$(CONFIG_MACH_EDB9307A)                   := edb93xx
  61 board-$(CONFIG_MACH_EDB93012)                   := edb93xx
  62 board-$(CONFIG_MACH_EDB9315)                    := edb93xx
  63 board-$(CONFIG_MACH_EDB9315A)                   := edb93xx
  64 board-$(CONFIG_MACH_EUKREA_CPUIMX25)            := eukrea_cpuimx25
  65 board-$(CONFIG_MACH_EUKREA_CPUIMX27)            := eukrea_cpuimx27
  66 board-$(CONFIG_MACH_EUKREA_CPUIMX35)            := eukrea_cpuimx35
  67 board-$(CONFIG_MACH_FREESCALE_MX25_3STACK)      := freescale-mx25-3-stack
  68 board-$(CONFIG_MACH_FREESCALE_MX35_3STACK)      := freescale-mx35-3-stack
  69 board-$(CONFIG_MACH_IMX21ADS)                   := imx21ads
  70 board-$(CONFIG_MACH_IMX27ADS)                   := imx27ads
  71 board-$(CONFIG_MACH_MMCCPU)                     := mmccpu
  72 board-$(CONFIG_MACH_MX1ADS)                     := mx1ads
  73 board-$(CONFIG_MACH_NXDB500)                    := netx
  74 board-$(CONFIG_ARCH_OMAP)                       := omap
  75 board-$(CONFIG_MACH_PCA100)                     := phycard-i.MX27
  76 board-$(CONFIG_MACH_PCM037)                     := pcm037
  77 board-$(CONFIG_MACH_PCM038)                     := pcm038
  78 board-$(CONFIG_MACH_PCM043)                     := pcm043
  79 board-$(CONFIG_MACH_PM9263)                     := pm9263
  80 board-$(CONFIG_MACH_SCB9328)                    := scb9328
  81 board-$(CONFIG_MACH_NESO)                       := guf-neso
  82
  83 machdirs := $(patsubst %,arch/arm/mach-%/,$(machine-y))
  84
  85 ifeq ($(KBUILD_SRC),)
  86 CPPFLAGS += $(patsubst %,-I%include,$(machdirs))
  87 else
  88 CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(machdirs))
  89 endif
  90
  91 TEXT_BASE = $(CONFIG_TEXT_BASE)
  92
  93 CPPFLAGS += -DTEXT_BASE=$(TEXT_BASE) -P
  94
  95 ifndef CONFIG_MODULES
  96 # Add cleanup flags
  97 CPPFLAGS += -fdata-sections -ffunction-sections
  98 LDFLAGS_barebox += -static --gc-sections
  99 endif
 100
 101 barebox.netx: barebox.bin
 102         $(Q)scripts/gen_netx_image -i barebox.bin -o barebox.netx               \
 103                 --sdramctrl=$(CONFIG_NETX_SDRAM_CTRL)                   \
 104                 --sdramtimctrl=$(CONFIG_NETX_SDRAM_TIMING_CTRL)         \
 105                 --memctrl=$(CONFIG_NETX_MEM_CTRL)                       \
 106                 --entrypoint=$(CONFIG_TEXT_BASE)                        \
 107                 --cookie=$(CONFIG_NETX_COOKIE);
 108
 109 ifeq ($(machine-y),netx)
 110 KBUILD_IMAGE := barebox.netx
 111 endif
 112
 113 all: $(KBUILD_IMAGE)
 114
 115 archprepare: maketools
 116 maketools:
 117         $(Q)$(MAKE) $(build)=arch/arm/tools arch/arm/include/asm/mach-types.h
 118
 119 PHONY += maketools
 120
 121 ifneq ($(board-y),)
 122 BOARD := arch/arm/boards/$(board-y)/
 123 else
 124 BOARD :=
 125 endif
 126
 127 ifneq ($(machine-y),)
 128 MACH := arch/arm/mach-$(machine-y)/
 129 else
 130 MACH :=
 131 endif
 132
 133 common-y += $(BOARD) $(MACH)
 134 common-y += arch/arm/lib/ arch/arm/cpu/ arch/arm/common/
 135
 136 lds-$(CONFIG_GENERIC_LINKER_SCRIPT)     := arch/arm/lib/barebox.lds
 137 lds-$(CONFIG_BOARD_LINKER_SCRIPT)       := $(BOARD)/barebox.lds
 138
 139 CLEAN_FILES += arch/arm/include/asm/mach-types.h arch/arm/lib/barebox.lds