arch/arm/Makefile

   1 # SPDX-License-Identifier: GPL-2.0+
   2
   3 ifeq ($(CONFIG_SPL_BUILD)$(CONFIG_TEGRA),yy)
   4 CONFIG_CPU_V7A=
   5 CONFIG_CPU_ARM720T=y
   6 endif
   7
   8 # This selects which instruction set is used.
   9 arch-$(CONFIG_CPU_ARM720T)      =-march=armv4
  10 arch-$(CONFIG_CPU_ARM920T)      =-march=armv4t
  11 arch-$(CONFIG_CPU_ARM926EJS)    =-march=armv5te
  12 arch-$(CONFIG_CPU_ARM946ES)     =-march=armv5te
  13 arch-$(CONFIG_CPU_SA1100)       =-march=armv4
  14 arch-$(CONFIG_CPU_PXA)          =
  15 arch-$(CONFIG_CPU_ARM1136)      =-march=armv5
  16 arch-$(CONFIG_CPU_ARM1176)      =-march=armv5t
  17 arch-$(CONFIG_CPU_V7A)          =$(call cc-option, -march=armv7-a, \
  18                                  $(call cc-option, -march=armv7, -march=armv5))
  19 arch-$(CONFIG_CPU_V7M)          =-march=armv7-m
  20 arch-$(CONFIG_CPU_V7R)          =-march=armv7-r
  21 arch-$(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_V7A)          =
  44 tune-$(CONFIG_CPU_V7R)          =
  45 tune-$(CONFIG_ARM64)            =
  46
  47 # Evaluate tune cc-option calls now
  48 tune-y := $(tune-y)
  49
  50 PLATFORM_CPPFLAGS += $(arch-y) $(tune-y)
  51
  52 # Machine directory name.  This list is sorted alphanumerically
  53 # by CONFIG_* macro name.
  54 machine-$(CONFIG_ARCH_ASPEED)           += aspeed
  55 machine-$(CONFIG_ARCH_AT91)             += at91
  56 machine-$(CONFIG_ARCH_BCM283X)          += bcm283x
  57 machine-$(CONFIG_ARCH_DAVINCI)          += davinci
  58 machine-$(CONFIG_ARCH_EXYNOS)           += exynos
  59 machine-$(CONFIG_ARCH_HIGHBANK)         += highbank
  60 machine-$(CONFIG_ARCH_KEYSTONE)         += keystone
  61 # TODO: rename CONFIG_KIRKWOOD -> CONFIG_ARCH_KIRKWOOD
  62 machine-$(CONFIG_KIRKWOOD)              += kirkwood
  63 machine-$(CONFIG_ARCH_MESON)            += meson
  64 machine-$(CONFIG_ARCH_MVEBU)            += mvebu
  65 # TODO: rename CONFIG_TEGRA -> CONFIG_ARCH_TEGRA
  66 # TODO: rename CONFIG_ORION5X -> CONFIG_ARCH_ORION5X
  67 machine-$(CONFIG_ORION5X)               += orion5x
  68 machine-$(CONFIG_ARCH_OMAP2PLUS)        += omap2
  69 machine-$(CONFIG_ARCH_OWL)              += owl
  70 machine-$(CONFIG_ARCH_S5PC1XX)          += s5pc1xx
  71 machine-$(CONFIG_ARCH_SUNXI)            += sunxi
  72 machine-$(CONFIG_ARCH_SNAPDRAGON)       += snapdragon
  73 machine-$(CONFIG_ARCH_SOCFPGA)          += socfpga
  74 machine-$(CONFIG_ARCH_RMOBILE)          += rmobile
  75 machine-$(CONFIG_ARCH_ROCKCHIP)         += rockchip
  76 machine-$(CONFIG_STM32)                 += stm32
  77 machine-$(CONFIG_ARCH_STM32MP)          += stm32mp
  78 machine-$(CONFIG_TEGRA)                 += tegra
  79 machine-$(CONFIG_ARCH_UNIPHIER)         += uniphier
  80 machine-$(CONFIG_ARCH_ZYNQ)             += zynq
  81 machine-$(CONFIG_ARCH_ZYNQMP_R5)        += zynqmp-r5
  82
  83 machdirs := $(patsubst %,arch/arm/mach-%/,$(machine-y))
  84
  85 PLATFORM_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(machdirs))
  86
  87 libs-y += $(machdirs)
  88
  89 head-y := arch/arm/cpu/$(CPU)/start.o
  90
  91 ifeq ($(CONFIG_SPL_BUILD),y)
  92 ifneq ($(CONFIG_SPL_START_S_PATH),)
  93 head-y := $(CONFIG_SPL_START_S_PATH:"%"=%)/start.o
  94 endif
  95 endif
  96
  97 libs-y += arch/arm/cpu/$(CPU)/
  98 libs-y += arch/arm/cpu/
  99 libs-y += arch/arm/lib/
 100
 101 ifeq ($(CONFIG_SPL_BUILD),y)
 102 ifneq (,$(CONFIG_MX23)$(CONFIG_MX28)$(CONFIG_MX35)$(filter $(SOC), mx25 mx5 mx6 mx7 mx35 mx8m))
 103 libs-y += arch/arm/mach-imx/
 104 endif
 105 else
 106 ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx7 mx7ulp mx31 mx35 mxs mx8m vf610))
 107 libs-y += arch/arm/mach-imx/
 108 endif
 109 endif
 110
 111 ifneq (,$(filter $(SOC), kirkwood))
 112 libs-y += arch/arm/mach-mvebu/
 113 endif
 114
 115 # deprecated
 116 -include $(machdirs)/config.mk