arch/arm/Makefile

   1 #
   2 # SPDX-License-Identifier:      GPL-2.0+
   3 #
   4
   5 # This selects which instruction set is used.
   6 arch-$(CONFIG_CPU_ARM720T)      =-march=armv4
   7 arch-$(CONFIG_CPU_ARM920T)      =-march=armv4
   8 arch-$(CONFIG_CPU_ARM926EJS)    =-march=armv5te
   9 arch-$(CONFIG_CPU_ARM946ES)     =-march=armv4
  10 arch-$(CONFIG_CPU_SA1100)       =-march=armv4
  11 arch-$(CONFIG_CPU_PXA)          =
  12 arch-$(CONFIG_CPU_ARM1136)      =-march=armv5
  13 arch-$(CONFIG_CPU_ARM1176)      =-march=armv5t
  14 arch-$(CONFIG_CPU_V7)           =$(call cc-option, -march=armv7-a, -march=armv5)
  15 arch-$(CONFIG_ARM64)            =-march=armv8-a
  16
  17 # Evaluate arch cc-option calls now
  18 arch-y := $(arch-y)
  19
  20 # This selects how we optimise for the processor.
  21 tune-$(CONFIG_CPU_ARM720T)      =-mtune=arm7tdmi
  22 tune-$(CONFIG_CPU_ARM920T)      =
  23 tune-$(CONFIG_CPU_ARM926EJS)    =
  24 tune-$(CONFIG_CPU_ARM946ES)     =
  25 tune-$(CONFIG_CPU_SA1100)       =-mtune=strongarm1100
  26 tune-$(CONFIG_CPU_PXA)          =-mcpu=xscale
  27 tune-$(CONFIG_CPU_ARM1136)      =
  28 tune-$(CONFIG_CPU_ARM1176)      =
  29 tune-$(CONFIG_CPU_V7)           =
  30 tune-$(CONFIG_ARM64)            =
  31
  32 # Evaluate tune cc-option calls now
  33 tune-y := $(tune-y)
  34
  35 PLATFORM_CPPFLAGS += $(arch-y) $(tune-y)
  36
  37 # Machine directory name.  This list is sorted alphanumerically
  38 # by CONFIG_* macro name.
  39 machine-$(CONFIG_ARCH_AT91)             += at91
  40 machine-$(CONFIG_ARCH_BCM283X)          += bcm283x
  41 machine-$(CONFIG_ARCH_DAVINCI)          += davinci
  42 machine-$(CONFIG_ARCH_HIGHBANK)         += highbank
  43 machine-$(CONFIG_ARCH_KEYSTONE)         += keystone
  44 # TODO: rename CONFIG_KIRKWOOD -> CONFIG_ARCH_KIRKWOOD
  45 machine-$(CONFIG_KIRKWOOD)              += kirkwood
  46 # TODO: rename CONFIG_TEGRA -> CONFIG_ARCH_TEGRA
  47 machine-$(CONFIG_ARCH_NOMADIK)          += nomadik
  48 # TODO: rename CONFIG_ORION5X -> CONFIG_ARCH_ORION5X
  49 machine-$(CONFIG_ORION5X)               += orion5x
  50 machine-$(CONFIG_TEGRA)                 += tegra
  51 machine-$(CONFIG_ARCH_UNIPHIER)         += uniphier
  52 machine-$(CONFIG_ARCH_VERSATILE)        += versatile
  53
  54 machdirs := $(patsubst %,arch/arm/mach-%/,$(machine-y))
  55
  56 PLATFORM_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(machdirs))
  57
  58 libs-y += $(machdirs)
  59
  60 head-y := arch/arm/cpu/$(CPU)/start.o
  61
  62 ifeq ($(CONFIG_SPL_BUILD),y)
  63 ifneq ($(CONFIG_SPL_START_S_PATH),)
  64 head-y := $(CONFIG_SPL_START_S_PATH:"%"=%)/start.o
  65 endif
  66 endif
  67
  68 libs-y += arch/arm/cpu/$(CPU)/
  69 libs-y += arch/arm/cpu/
  70 libs-y += arch/arm/lib/
  71
  72 ifeq ($(CONFIG_SPL_BUILD),y)
  73 ifneq (,$(CONFIG_MX23)$(CONFIG_MX35)$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35))
  74 libs-y += arch/arm/imx-common/
  75 endif
  76 else
  77 ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35 mxs vf610))
  78 libs-y += arch/arm/imx-common/
  79 endif
  80 endif
  81
  82 ifneq (,$(filter $(SOC), armada-xp kirkwood))
  83 libs-y += arch/arm/mvebu-common/
  84 endif
  85
  86 # deprecated
  87 -include $(machdirs)/config.mk