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 # On Tegra systems we must build SPL for the armv4 core on the device
  24 # but otherwise we can use the value in CONFIG_SYS_ARM_ARCH
  25 ifeq ($(CONFIG_SPL_BUILD)$(CONFIG_TEGRA),yy)
  26 arch-y += -D__LINUX_ARM_ARCH__=4
  27 else
  28 arch-y += -D__LINUX_ARM_ARCH__=$(CONFIG_SYS_ARM_ARCH)
  29 endif
  30
  31 # Evaluate arch cc-option calls now
  32 arch-y := $(arch-y)
  33
  34 # This selects how we optimise for the processor.
  35 tune-$(CONFIG_CPU_ARM720T)      =-mtune=arm7tdmi
  36 tune-$(CONFIG_CPU_ARM920T)      =
  37 tune-$(CONFIG_CPU_ARM926EJS)    =
  38 tune-$(CONFIG_CPU_ARM946ES)     =
  39 tune-$(CONFIG_CPU_SA1100)       =-mtune=strongarm1100
  40 tune-$(CONFIG_CPU_PXA)          =-mcpu=xscale
  41 tune-$(CONFIG_CPU_ARM1136)      =
  42 tune-$(CONFIG_CPU_ARM1176)      =
  43 tune-$(CONFIG_CPU_V7)           =
  44 tune-$(CONFIG_ARM64)            =
  45
  46 # Evaluate tune cc-option calls now
  47 tune-y := $(tune-y)
  48
  49 PLATFORM_CPPFLAGS += $(arch-y) $(tune-y)
  50
  51 # Machine directory name.  This list is sorted alphanumerically
  52 # by CONFIG_* macro name.
  53 machine-$(CONFIG_ARCH_ASPEED)           += aspeed
  54 machine-$(CONFIG_ARCH_AT91)             += at91
  55 machine-$(CONFIG_ARCH_BCM283X)          += bcm283x
  56 machine-$(CONFIG_ARCH_DAVINCI)          += davinci
  57 machine-$(CONFIG_ARCH_EXYNOS)           += exynos
  58 machine-$(CONFIG_ARCH_HIGHBANK)         += highbank
  59 machine-$(CONFIG_ARCH_KEYSTONE)         += keystone
  60 # TODO: rename CONFIG_KIRKWOOD -> CONFIG_ARCH_KIRKWOOD
  61 machine-$(CONFIG_KIRKWOOD)              += kirkwood
  62 machine-$(CONFIG_ARCH_MESON)            += meson
  63 machine-$(CONFIG_ARCH_MVEBU)            += mvebu
  64 # TODO: rename CONFIG_TEGRA -> CONFIG_ARCH_TEGRA
  65 # TODO: rename CONFIG_ORION5X -> CONFIG_ARCH_ORION5X
  66 machine-$(CONFIG_ORION5X)               += orion5x
  67 machine-$(CONFIG_ARCH_OMAP2PLUS)        += omap2
  68 machine-$(CONFIG_ARCH_S5PC1XX)          += s5pc1xx
  69 machine-$(CONFIG_ARCH_SUNXI)            += sunxi
  70 machine-$(CONFIG_ARCH_SNAPDRAGON)       += snapdragon
  71 machine-$(CONFIG_ARCH_SOCFPGA)          += socfpga
  72 machine-$(CONFIG_ARCH_RMOBILE)          += rmobile
  73 machine-$(CONFIG_ARCH_ROCKCHIP)         += rockchip
  74 machine-$(CONFIG_STM32)                 += stm32
  75 machine-$(CONFIG_TEGRA)                 += tegra
  76 machine-$(CONFIG_ARCH_UNIPHIER)         += uniphier
  77 machine-$(CONFIG_ARCH_ZYNQ)             += zynq
  78
  79 machdirs := $(patsubst %,arch/arm/mach-%/,$(machine-y))
  80
  81 PLATFORM_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(machdirs))
  82
  83 libs-y += $(machdirs)
  84
  85 head-y := arch/arm/cpu/$(CPU)/start.o
  86
  87 ifeq ($(CONFIG_SPL_BUILD),y)
  88 ifneq ($(CONFIG_SPL_START_S_PATH),)
  89 head-y := $(CONFIG_SPL_START_S_PATH:"%"=%)/start.o
  90 endif
  91 endif
  92
  93 libs-y += arch/arm/cpu/$(CPU)/
  94 libs-y += arch/arm/cpu/
  95 libs-y += arch/arm/lib/
  96
  97 ifeq ($(CONFIG_SPL_BUILD),y)
  98 ifneq (,$(CONFIG_MX23)$(CONFIG_MX28)$(CONFIG_MX35)$(filter $(SOC), mx25 mx5 mx6 mx7 mx35))
  99 libs-y += arch/arm/imx-common/
 100 endif
 101 else
 102 ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx7 mx7ulp mx31 mx35 mxs vf610))
 103 libs-y += arch/arm/imx-common/
 104 endif
 105 endif
 106
 107 ifneq (,$(filter $(SOC), kirkwood))
 108 libs-y += arch/arm/mach-mvebu/
 109 endif
 110
 111 # deprecated
 112 -include $(machdirs)/config.mk