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
  10 CROSS_COMPILE    ?= bfin-uclinux-
  11 LDFLAGS_vmlinux  := -X
  12 OBJCOPYFLAGS     := -O binary -R .note -R .comment -S
  13 GZFLAGS          := -9
  14
  15 KBUILD_CFLAGS           += $(call cc-option,-mno-fdpic)
  16 KBUILD_AFLAGS           += $(call cc-option,-mno-fdpic)
  17 CFLAGS_MODULE    += -mlong-calls
  18 KALLSYMS         += --symbol-prefix=_
  19
  20 KBUILD_DEFCONFIG := BF537-STAMP_defconfig
  21
  22 # setup the machine name and the machine dependent settings
  23 machine-$(CONFIG_BF522) := bf527
  24 machine-$(CONFIG_BF525) := bf527
  25 machine-$(CONFIG_BF527) := bf527
  26 machine-$(CONFIG_BF531) := bf533
  27 machine-$(CONFIG_BF532) := bf533
  28 machine-$(CONFIG_BF533) := bf533
  29 machine-$(CONFIG_BF534) := bf537
  30 machine-$(CONFIG_BF536) := bf537
  31 machine-$(CONFIG_BF537) := bf537
  32 machine-$(CONFIG_BF542) := bf548
  33 machine-$(CONFIG_BF544) := bf548
  34 machine-$(CONFIG_BF547) := bf548
  35 machine-$(CONFIG_BF548) := bf548
  36 machine-$(CONFIG_BF549) := bf548
  37 machine-$(CONFIG_BF561) := bf561
  38 MACHINE := $(machine-y)
  39 export MACHINE
  40
  41 cpu-$(CONFIG_BF522) := bf522
  42 cpu-$(CONFIG_BF525) := bf525
  43 cpu-$(CONFIG_BF527) := bf527
  44 cpu-$(CONFIG_BF531) := bf531
  45 cpu-$(CONFIG_BF532) := bf532
  46 cpu-$(CONFIG_BF533) := bf533
  47 cpu-$(CONFIG_BF534) := bf534
  48 cpu-$(CONFIG_BF536) := bf536
  49 cpu-$(CONFIG_BF537) := bf537
  50 cpu-$(CONFIG_BF542) := bf542
  51 cpu-$(CONFIG_BF544) := bf544
  52 cpu-$(CONFIG_BF547) := bf547
  53 cpu-$(CONFIG_BF548) := bf548
  54 cpu-$(CONFIG_BF549) := bf549
  55 cpu-$(CONFIG_BF561) := bf561
  56
  57 rev-$(CONFIG_BF_REV_0_0)  := 0.0
  58 rev-$(CONFIG_BF_REV_0_1)  := 0.1
  59 rev-$(CONFIG_BF_REV_0_2)  := 0.2
  60 rev-$(CONFIG_BF_REV_0_3)  := 0.3
  61 rev-$(CONFIG_BF_REV_0_4)  := 0.4
  62 rev-$(CONFIG_BF_REV_0_5)  := 0.5
  63 rev-$(CONFIG_BF_REV_NONE) := none
  64 rev-$(CONFIG_BF_REV_ANY)  := any
  65
  66 KBUILD_CFLAGS += -mcpu=$(cpu-y)-$(rev-y)
  67 KBUILD_AFLAGS += -mcpu=$(cpu-y)-$(rev-y)
  68
  69 head-y   := arch/$(ARCH)/mach-$(MACHINE)/head.o arch/$(ARCH)/kernel/init_task.o
  70
  71 core-y   += arch/$(ARCH)/kernel/ arch/$(ARCH)/mm/ arch/$(ARCH)/mach-common/
  72
  73 # If we have a machine-specific directory, then include it in the build.
  74 ifneq ($(machine-y),)
  75 core-y   += arch/$(ARCH)/mach-$(MACHINE)/
  76 core-y   += arch/$(ARCH)/mach-$(MACHINE)/boards/
  77 endif
  78
  79 libs-y   += arch/$(ARCH)/lib/
  80
  81 drivers-$(CONFIG_OPROFILE) += arch/$(ARCH)/oprofile/
  82
  83
  84
  85 #       Update machine arch symlinks if something which affects
  86 #       them changed.  We use .mach to indicate when they were updated
  87 #       last, otherwise make uses the target directory mtime.
  88
  89 include/asm-blackfin/.mach: $(wildcard include/config/arch/*.h) include/config/auto.conf
  90         @echo '  SYMLINK include/asm-$(ARCH)/mach-$(MACHINE) -> include/asm-$(ARCH)/mach'
  91 ifneq ($(KBUILD_SRC),)
  92         $(Q)mkdir -p include/asm-$(ARCH)
  93         $(Q)ln -fsn $(srctree)/include/asm-$(ARCH)/mach-$(MACHINE) include/asm-$(ARCH)/mach
  94 else
  95         $(Q)ln -fsn mach-$(MACHINE) include/asm-$(ARCH)/mach
  96 endif
  97         @touch $@
  98
  99 CLEAN_FILES += \
 100         include/asm-$(ARCH)/asm-offsets.h \
 101         arch/$(ARCH)/kernel/asm-offsets.s \
 102         include/asm-$(ARCH)/mach \
 103         include/asm-$(ARCH)/.mach
 104
 105 archprepare: include/asm-blackfin/.mach
 106 archclean:
 107         $(Q)$(MAKE) $(clean)=$(boot)
 108
 109
 110 boot := arch/$(ARCH)/boot
 111 BOOT_TARGETS = vmImage
 112 PHONY += $(BOOT_TARGETS) install
 113 KBUILD_IMAGE := $(boot)/vmImage
 114
 115 all: vmImage
 116
 117 $(BOOT_TARGETS): vmlinux
 118         $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
 119
 120 install:
 121         $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) install
 122
 123 define archhelp
 124   echo  '* vmImage         - Kernel-only image for U-Boot (arch/$(ARCH)/boot/vmImage)'
 125   echo  '  install         - Install kernel using'
 126   echo  '                     (your) ~/bin/$(CROSS_COMPILE)installkernel or'
 127   echo  '                     (distribution) PATH: $(CROSS_COMPILE)installkernel or'
 128   echo  '                     install to $$(INSTALL_PATH)'
 129 endef