arch/blackfin/Makefile

   1 #
   2 # arch/blackfin/Makefile
   3 #
   4 # This file is subject to the terms and conditions of the GNU General Public
   5 # License.  See the file "COPYING" in the main directory of this archive
   6 # for more details.
   7 #
   8
   9 ifeq ($(CROSS_COMPILE),)
  10 CROSS_COMPILE    := bfin-uclinux-
  11 endif
  12 LDFLAGS_vmlinux  := -X
  13 OBJCOPYFLAGS     := -O binary -R .note -R .comment -S
  14 GZFLAGS          := -9
  15
  16 KBUILD_CFLAGS           += $(call cc-option,-mno-fdpic)
  17 KBUILD_AFLAGS           += $(call cc-option,-mno-fdpic)
  18 CFLAGS_MODULE    += -mlong-calls
  19 KALLSYMS         += --symbol-prefix=_
  20
  21 KBUILD_DEFCONFIG := BF537-STAMP_defconfig
  22
  23 # setup the machine name and the machine dependent settings
  24 machine-$(CONFIG_BF522) := bf527
  25 machine-$(CONFIG_BF523) := bf527
  26 machine-$(CONFIG_BF524) := bf527
  27 machine-$(CONFIG_BF525) := bf527
  28 machine-$(CONFIG_BF526) := bf527
  29 machine-$(CONFIG_BF527) := bf527
  30 machine-$(CONFIG_BF531) := bf533
  31 machine-$(CONFIG_BF532) := bf533
  32 machine-$(CONFIG_BF533) := bf533
  33 machine-$(CONFIG_BF534) := bf537
  34 machine-$(CONFIG_BF536) := bf537
  35 machine-$(CONFIG_BF537) := bf537
  36 machine-$(CONFIG_BF542) := bf548
  37 machine-$(CONFIG_BF544) := bf548
  38 machine-$(CONFIG_BF547) := bf548
  39 machine-$(CONFIG_BF548) := bf548
  40 machine-$(CONFIG_BF549) := bf548
  41 machine-$(CONFIG_BF561) := bf561
  42 MACHINE := $(machine-y)
  43 export MACHINE
  44
  45 cpu-$(CONFIG_BF522) := bf522
  46 cpu-$(CONFIG_BF523) := bf523
  47 cpu-$(CONFIG_BF524) := bf524
  48 cpu-$(CONFIG_BF525) := bf525
  49 cpu-$(CONFIG_BF526) := bf526
  50 cpu-$(CONFIG_BF527) := bf527
  51 cpu-$(CONFIG_BF531) := bf531
  52 cpu-$(CONFIG_BF532) := bf532
  53 cpu-$(CONFIG_BF533) := bf533
  54 cpu-$(CONFIG_BF534) := bf534
  55 cpu-$(CONFIG_BF536) := bf536
  56 cpu-$(CONFIG_BF537) := bf537
  57 cpu-$(CONFIG_BF542) := bf542
  58 cpu-$(CONFIG_BF544) := bf544
  59 cpu-$(CONFIG_BF547) := bf547
  60 cpu-$(CONFIG_BF548) := bf548
  61 cpu-$(CONFIG_BF549) := bf549
  62 cpu-$(CONFIG_BF561) := bf561
  63
  64 rev-$(CONFIG_BF_REV_0_0)  := 0.0
  65 rev-$(CONFIG_BF_REV_0_1)  := 0.1
  66 rev-$(CONFIG_BF_REV_0_2)  := 0.2
  67 rev-$(CONFIG_BF_REV_0_3)  := 0.3
  68 rev-$(CONFIG_BF_REV_0_4)  := 0.4
  69 rev-$(CONFIG_BF_REV_0_5)  := 0.5
  70 rev-$(CONFIG_BF_REV_NONE) := none
  71 rev-$(CONFIG_BF_REV_ANY)  := any
  72
  73 KBUILD_CFLAGS += -mcpu=$(cpu-y)-$(rev-y)
  74 KBUILD_AFLAGS += -mcpu=$(cpu-y)-$(rev-y)
  75
  76 # - we utilize the silicon rev from the toolchain, so move it over to the checkflags
  77 # - the l1_text attribute is Blackfin specific, so fake it out as used to kill warnings
  78 CHECKFLAGS_SILICON = $(shell echo "" | $(CPP) $(KBUILD_CFLAGS) -dD - 2>/dev/null | awk '$$2 == "__SILICON_REVISION__" { print $$3 }')
  79 CHECKFLAGS += -D__SILICON_REVISION__=$(CHECKFLAGS_SILICON) -Dl1_text=__used__
  80
  81 head-y   := arch/$(ARCH)/mach-$(MACHINE)/head.o arch/$(ARCH)/kernel/init_task.o
  82
  83 core-y   += arch/$(ARCH)/kernel/ arch/$(ARCH)/mm/ arch/$(ARCH)/mach-common/
  84
  85 # If we have a machine-specific directory, then include it in the build.
  86 ifneq ($(machine-y),)
  87 core-y   += arch/$(ARCH)/mach-$(MACHINE)/
  88 core-y   += arch/$(ARCH)/mach-$(MACHINE)/boards/
  89 endif
  90
  91 ifeq ($(CONFIG_MPU),y)
  92 core-y  += arch/$(ARCH)/kernel/cplb-mpu/
  93 else
  94 core-y  += arch/$(ARCH)/kernel/cplb-nompu/
  95 endif
  96
  97 libs-y   += arch/$(ARCH)/lib/
  98
  99 drivers-$(CONFIG_OPROFILE) += arch/$(ARCH)/oprofile/
 100
 101
 102
 103 #       Update machine arch symlinks if something which affects
 104 #       them changed.  We use .mach to indicate when they were updated
 105 #       last, otherwise make uses the target directory mtime.
 106
 107        show_mach_symlink = :
 108  quiet_show_mach_symlink = echo '  SYMLINK include/asm-$(ARCH)/mach-$(MACHINE) -> include/asm-$(ARCH)/mach'
 109 silent_show_mach_symlink = :
 110 include/asm-blackfin/.mach: $(wildcard include/config/arch/*.h) include/config/auto.conf
 111         @$($(quiet)show_mach_symlink)
 112 ifneq ($(KBUILD_SRC),)
 113         $(Q)mkdir -p include/asm-$(ARCH)
 114         $(Q)ln -fsn $(srctree)/include/asm-$(ARCH)/mach-$(MACHINE) include/asm-$(ARCH)/mach
 115 else
 116         $(Q)ln -fsn mach-$(MACHINE) include/asm-$(ARCH)/mach
 117 endif
 118         @touch $@
 119
 120 CLEAN_FILES += \
 121         include/asm-$(ARCH)/asm-offsets.h \
 122         arch/$(ARCH)/kernel/asm-offsets.s \
 123         include/asm-$(ARCH)/mach \
 124         include/asm-$(ARCH)/.mach
 125
 126 archprepare: include/asm-blackfin/.mach
 127 archclean:
 128         $(Q)$(MAKE) $(clean)=$(boot)
 129
 130
 131 INSTALL_PATH ?= /tftpboot
 132 boot := arch/$(ARCH)/boot
 133 BOOT_TARGETS = vmImage
 134 PHONY += $(BOOT_TARGETS) install
 135 KBUILD_IMAGE := $(boot)/vmImage
 136
 137 all: vmImage
 138
 139 $(BOOT_TARGETS): vmlinux
 140         $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
 141
 142 install:
 143         $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) install
 144
 145 define archhelp
 146   echo  '* vmImage         - Kernel-only image for U-Boot (arch/$(ARCH)/boot/vmImage)'
 147   echo  '  install         - Install kernel using'
 148   echo  '                     (your) ~/bin/$(CROSS_COMPILE)installkernel or'
 149   echo  '                     (distribution) PATH: $(CROSS_COMPILE)installkernel or'
 150   echo  '                     install to $$(INSTALL_PATH)'
 151 endef