arch/arm/Makefile

   1 # SPDX-License-Identifier: GPL-2.0+
   2
   3 ifeq ($(CONFIG_SPL_BUILD)$(CONFIG_ARCH_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-$(CONFIG_CPU_ARM1136)      =-march=armv5t
  14 arch-$(CONFIG_CPU_ARM1176)      =-march=armv5t
  15 arch-$(CONFIG_CPU_V7A)          =$(call cc-option, -march=armv7-a, \
  16                                  $(call cc-option, -march=armv7))
  17 arch-$(CONFIG_CPU_V7M)          =-march=armv7-m
  18 arch-$(CONFIG_CPU_V7R)          =-march=armv7-r
  19 ifeq ($(CONFIG_ARM64_CRC32),y)
  20 arch-$(CONFIG_ARM64)            =-march=armv8-a+crc
  21 else
  22 arch-$(CONFIG_ARM64)            =-march=armv8-a
  23 endif
  24
  25 # On Tegra systems we must build SPL for the armv4 core on the device
  26 # but otherwise we can use the value in CONFIG_SYS_ARM_ARCH
  27 ifeq ($(CONFIG_SPL_BUILD)$(CONFIG_ARCH_TEGRA),yy)
  28 arch-y += -D__LINUX_ARM_ARCH__=4
  29 else
  30 arch-y += -D__LINUX_ARM_ARCH__=$(CONFIG_SYS_ARM_ARCH)
  31 endif
  32
  33 # Evaluate arch cc-option calls now
  34 arch-y := $(arch-y)
  35
  36 # This selects how we optimise for the processor.
  37 tune-$(CONFIG_CPU_ARM720T)      =-mtune=arm7tdmi
  38 tune-$(CONFIG_CPU_ARM920T)      =
  39 tune-$(CONFIG_CPU_ARM926EJS)    =
  40 tune-$(CONFIG_CPU_ARM946ES)     =
  41 tune-$(CONFIG_CPU_ARM1136)      =
  42 tune-$(CONFIG_CPU_ARM1176)      =
  43 tune-$(CONFIG_CPU_V7A)          =-mtune=generic-armv7-a
  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_APPLE)            += apple
  55 machine-$(CONFIG_ARCH_ASPEED)           += aspeed
  56 machine-$(CONFIG_ARCH_AT91)             += at91
  57 machine-$(CONFIG_ARCH_BCM283X)          += bcm283x
  58 machine-$(CONFIG_ARCH_BCMBCA)           += bcmbca
  59 machine-$(CONFIG_ARCH_BCMSTB)           += bcmstb
  60 machine-$(CONFIG_ARCH_DAVINCI)          += davinci
  61 machine-$(CONFIG_ARCH_EXYNOS)           += exynos
  62 machine-$(CONFIG_ARCH_GXP)              += hpe
  63 machine-$(CONFIG_ARCH_HIGHBANK)         += highbank
  64 machine-$(CONFIG_ARCH_HISTB)            += histb
  65 machine-$(CONFIG_ARCH_IPQ40XX)          += ipq40xx
  66 machine-$(CONFIG_ARCH_K3)               += k3
  67 machine-$(CONFIG_ARCH_KEYSTONE)         += keystone
  68 machine-$(CONFIG_ARCH_KIRKWOOD)         += kirkwood
  69 machine-$(CONFIG_ARCH_LPC32XX)          += lpc32xx
  70 machine-$(CONFIG_ARCH_MEDIATEK)         += mediatek
  71 machine-$(CONFIG_ARCH_MESON)            += meson
  72 machine-$(CONFIG_ARCH_MVEBU)            += mvebu
  73 machine-$(CONFIG_ARCH_NEXELL)           += nexell
  74 machine-$(CONFIG_ARCH_NPCM)             += npcm
  75 machine-$(CONFIG_ARCH_OMAP2PLUS)        += omap2
  76 machine-$(CONFIG_ARCH_ORION5X)          += orion5x
  77 machine-$(CONFIG_ARCH_OWL)              += owl
  78 machine-$(CONFIG_ARCH_RMOBILE)          += rmobile
  79 machine-$(CONFIG_ARCH_ROCKCHIP)         += rockchip
  80 machine-$(CONFIG_ARCH_S5PC1XX)          += s5pc1xx
  81 machine-$(CONFIG_ARCH_SNAPDRAGON)       += snapdragon
  82 machine-$(CONFIG_ARCH_SOCFPGA)          += socfpga
  83 machine-$(CONFIG_ARCH_STM32)            += stm32
  84 machine-$(CONFIG_ARCH_STM32MP)          += stm32mp
  85 machine-$(CONFIG_ARCH_SUNXI)            += sunxi
  86 machine-$(CONFIG_ARCH_TEGRA)            += tegra
  87 machine-$(CONFIG_ARCH_U8500)            += u8500
  88 machine-$(CONFIG_ARCH_OCTEONTX)         += octeontx
  89 machine-$(CONFIG_ARCH_OCTEONTX2)        += octeontx2
  90 machine-$(CONFIG_ARCH_UNIPHIER)         += uniphier
  91 machine-$(CONFIG_ARCH_VERSAL)           += versal
  92 machine-$(CONFIG_ARCH_VERSAL_NET)       += versal-net
  93 machine-$(CONFIG_ARCH_ZYNQ)             += zynq
  94 machine-$(CONFIG_ARCH_ZYNQMP)           += zynqmp
  95 machine-$(CONFIG_ARCH_ZYNQMP_R5)        += zynqmp-r5
  96
  97 machine-$(CONFIG_MACH_IMX)              += imx
  98
  99 machdirs := $(patsubst %,arch/arm/mach-%/,$(machine-y))
 100
 101 PLATFORM_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(machdirs))
 102
 103 libs-y += $(machdirs)
 104
 105 head-y := arch/arm/cpu/$(CPU)/start.o
 106
 107 ifeq ($(CONFIG_SPL_BUILD),y)
 108 ifeq ($(CONFIG_SYS_SOC)$(CONFIG_SPL_FRAMEWORK),"mxs")
 109 head-y := arch/arm/cpu/arm926ejs/mxs/start.o
 110 endif
 111 endif
 112
 113 libs-y += arch/arm/cpu/$(CPU)/
 114 libs-y += arch/arm/cpu/
 115 libs-y += arch/arm/lib/
 116
 117 ifneq (,$(filter $(SOC), kirkwood))
 118 libs-y += arch/arm/mach-mvebu/
 119 endif
 120
 121 # deprecated
 122 -include $(machdirs)/config.mk