arch/arm/Makefile

   1 #
   2 # SPDX-License-Identifier:      GPL-2.0+
   3 #
   4
   5 ifeq ($(CONFIG_SPL_BUILD)$(CONFIG_TEGRA),yy)
   6 CONFIG_CPU_V7=
   7 CONFIG_CPU_ARM720T=y
   8 endif
   9
  10 # This selects which instruction set is used.
  11 arch-$(CONFIG_CPU_ARM720T)      =-march=armv4
  12 arch-$(CONFIG_CPU_ARM920T)      =-march=armv4t
  13 arch-$(CONFIG_CPU_ARM926EJS)    =-march=armv5te
  14 arch-$(CONFIG_CPU_ARM946ES)     =-march=armv5te
  15 arch-$(CONFIG_CPU_SA1100)       =-march=armv4
  16 arch-$(CONFIG_CPU_PXA)          =
  17 arch-$(CONFIG_CPU_ARM1136)      =-march=armv5
  18 arch-$(CONFIG_CPU_ARM1176)      =-march=armv5t
  19 arch-$(CONFIG_CPU_V7)           =$(call cc-option, -march=armv7-a, \
  20                                  $(call cc-option, -march=armv7, -march=armv5))
  21 arch-$(CONFIG_ARM64)            =-march=armv8-a
  22
  23 # Evaluate arch cc-option calls now
  24 arch-y := $(arch-y)
  25
  26 # This selects how we optimise for the processor.
  27 tune-$(CONFIG_CPU_ARM720T)      =-mtune=arm7tdmi
  28 tune-$(CONFIG_CPU_ARM920T)      =
  29 tune-$(CONFIG_CPU_ARM926EJS)    =
  30 tune-$(CONFIG_CPU_ARM946ES)     =
  31 tune-$(CONFIG_CPU_SA1100)       =-mtune=strongarm1100
  32 tune-$(CONFIG_CPU_PXA)          =-mcpu=xscale
  33 tune-$(CONFIG_CPU_ARM1136)      =
  34 tune-$(CONFIG_CPU_ARM1176)      =
  35 tune-$(CONFIG_CPU_V7)           =
  36 tune-$(CONFIG_ARM64)            =
  37
  38 # Evaluate tune cc-option calls now
  39 tune-y := $(tune-y)
  40
  41 PLATFORM_CPPFLAGS += $(arch-y) $(tune-y)
  42
  43 # Machine directory name.  This list is sorted alphanumerically
  44 # by CONFIG_* macro name.
  45 machine-$(CONFIG_ARCH_AT91)             += at91
  46 machine-$(CONFIG_ARCH_BCM283X)          += bcm283x
  47 machine-$(CONFIG_ARCH_DAVINCI)          += davinci
  48 machine-$(CONFIG_ARCH_EXYNOS)           += exynos
  49 machine-$(CONFIG_ARCH_HIGHBANK)         += highbank
  50 machine-$(CONFIG_ARCH_KEYSTONE)         += keystone
  51 # TODO: rename CONFIG_KIRKWOOD -> CONFIG_ARCH_KIRKWOOD
  52 machine-$(CONFIG_KIRKWOOD)              += kirkwood
  53 machine-$(CONFIG_ARCH_MESON)            += meson
  54 machine-$(CONFIG_ARCH_MVEBU)            += mvebu
  55 # TODO: rename CONFIG_TEGRA -> CONFIG_ARCH_TEGRA
  56 # TODO: rename CONFIG_ORION5X -> CONFIG_ARCH_ORION5X
  57 machine-$(CONFIG_ORION5X)               += orion5x
  58 machine-$(CONFIG_ARCH_S5PC1XX)          += s5pc1xx
  59 machine-$(CONFIG_ARCH_SUNXI)            += sunxi
  60 machine-$(CONFIG_ARCH_SNAPDRAGON)       += snapdragon
  61 machine-$(CONFIG_ARCH_SOCFPGA)          += socfpga
  62 machine-$(CONFIG_ARCH_RMOBILE)          += rmobile
  63 machine-$(CONFIG_ARCH_ROCKCHIP)         += rockchip
  64 machine-$(CONFIG_STM32)                 += stm32
  65 machine-$(CONFIG_TEGRA)                 += tegra
  66 machine-$(CONFIG_ARCH_UNIPHIER)         += uniphier
  67 machine-$(CONFIG_ARCH_ZYNQ)             += zynq
  68
  69 machdirs := $(patsubst %,arch/arm/mach-%/,$(machine-y))
  70
  71 PLATFORM_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(machdirs))
  72
  73 libs-y += $(machdirs)
  74
  75 head-y := arch/arm/cpu/$(CPU)/start.o
  76
  77 ifeq ($(CONFIG_SPL_BUILD),y)
  78 ifneq ($(CONFIG_SPL_START_S_PATH),)
  79 head-y := $(CONFIG_SPL_START_S_PATH:"%"=%)/start.o
  80 endif
  81 endif
  82
  83 libs-y += arch/arm/cpu/$(CPU)/
  84 libs-y += arch/arm/cpu/
  85 libs-y += arch/arm/lib/
  86
  87 ifeq ($(CONFIG_SPL_BUILD),y)
  88 ifneq (,$(CONFIG_MX23)$(CONFIG_MX28)$(CONFIG_MX35)$(filter $(SOC), mx25 mx27 mx5 mx6 mx7 mx31 mx35))
  89 libs-y += arch/arm/imx-common/
  90 endif
  91 else
  92 ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx7 mx31 mx35 mxs vf610))
  93 libs-y += arch/arm/imx-common/
  94 endif
  95 endif
  96
  97 ifneq (,$(filter $(SOC), kirkwood))
  98 libs-y += arch/arm/mach-mvebu/
  99 endif
 100
 101 # deprecated
 102 -include $(machdirs)/config.mk