1 # SPDX-License-Identifier: GPL-2.0+
3 ifeq ($(CONFIG_SPL_BUILD)$(CONFIG_ARCH_TEGRA),yy)
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-$(CONFIG_CPU_ARM1136) =-march=armv5t
16 arch-$(CONFIG_CPU_ARM1176) =-march=armv5t
17 arch-$(CONFIG_CPU_V7A) =$(call cc-option, -march=armv7-a, \
18 $(call cc-option, -march=armv7))
19 arch-$(CONFIG_CPU_V7M) =-march=armv7-m
20 arch-$(CONFIG_CPU_V7R) =-march=armv7-r
21 ifeq ($(CONFIG_ARM64_CRC32),y)
22 arch-$(CONFIG_ARM64) =-march=armv8-a+crc
24 arch-$(CONFIG_ARM64) =-march=armv8-a
27 # On Tegra systems we must build SPL for the armv4 core on the device
28 # but otherwise we can use the value in CONFIG_SYS_ARM_ARCH
29 ifeq ($(CONFIG_SPL_BUILD)$(CONFIG_ARCH_TEGRA),yy)
30 arch-y += -D__LINUX_ARM_ARCH__=4
32 arch-y += -D__LINUX_ARM_ARCH__=$(CONFIG_SYS_ARM_ARCH)
35 # Evaluate arch cc-option calls now
38 # This selects how we optimise for the processor.
39 tune-$(CONFIG_CPU_ARM720T) =-mtune=arm7tdmi
40 tune-$(CONFIG_CPU_ARM920T) =
41 tune-$(CONFIG_CPU_ARM926EJS) =
42 tune-$(CONFIG_CPU_ARM946ES) =
43 tune-$(CONFIG_CPU_SA1100) =-mtune=strongarm1100
44 tune-$(CONFIG_CPU_PXA) =-mcpu=xscale
45 tune-$(CONFIG_CPU_ARM1136) =
46 tune-$(CONFIG_CPU_ARM1176) =
47 tune-$(CONFIG_CPU_V7A) =-mtune=generic-armv7-a
48 tune-$(CONFIG_CPU_V7R) =
49 tune-$(CONFIG_ARM64) =
51 # Evaluate tune cc-option calls now
54 PLATFORM_CPPFLAGS += $(arch-y) $(tune-y)
56 # Machine directory name. This list is sorted alphanumerically
57 # by CONFIG_* macro name.
58 machine-$(CONFIG_ARCH_APPLE) += apple
59 machine-$(CONFIG_ARCH_ASPEED) += aspeed
60 machine-$(CONFIG_ARCH_AT91) += at91
61 machine-$(CONFIG_ARCH_BCM283X) += bcm283x
62 machine-$(CONFIG_ARCH_BCMSTB) += bcmstb
63 machine-$(CONFIG_ARCH_DAVINCI) += davinci
64 machine-$(CONFIG_ARCH_EXYNOS) += exynos
65 machine-$(CONFIG_ARCH_HIGHBANK) += highbank
66 machine-$(CONFIG_ARCH_IPQ40XX) += ipq40xx
67 machine-$(CONFIG_ARCH_K3) += k3
68 machine-$(CONFIG_ARCH_KEYSTONE) += keystone
69 machine-$(CONFIG_ARCH_KIRKWOOD) += kirkwood
70 machine-$(CONFIG_ARCH_LPC32XX) += lpc32xx
71 machine-$(CONFIG_ARCH_MEDIATEK) += mediatek
72 machine-$(CONFIG_ARCH_MESON) += meson
73 machine-$(CONFIG_ARCH_MVEBU) += mvebu
74 machine-$(CONFIG_ARCH_NEXELL) += nexell
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_ZYNQ) += zynq
93 machine-$(CONFIG_ARCH_ZYNQMP) += zynqmp
94 machine-$(CONFIG_ARCH_ZYNQMP_R5) += zynqmp-r5
96 machdirs := $(patsubst %,arch/arm/mach-%/,$(machine-y))
98 PLATFORM_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(machdirs))
100 libs-y += $(machdirs)
102 head-y := arch/arm/cpu/$(CPU)/start.o
104 ifeq ($(CONFIG_SPL_BUILD),y)
105 ifneq ($(CONFIG_SPL_START_S_PATH),)
106 head-y := $(CONFIG_SPL_START_S_PATH:"%"=%)/start.o
110 libs-y += arch/arm/cpu/$(CPU)/
111 libs-y += arch/arm/cpu/
112 libs-y += arch/arm/lib/
114 ifeq ($(CONFIG_SPL_BUILD),y)
115 ifneq (,$(CONFIG_MX23)$(CONFIG_MX28)$(filter $(SOC), mx25 mx5 mx6 mx7 mx35 imx8m imx8 imx8ulp imxrt))
116 libs-y += arch/arm/mach-imx/
119 ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx7 mx7ulp mx31 mx35 mxs imx8m imx8 imx8ulp imxrt vf610))
120 libs-y += arch/arm/mach-imx/
124 ifneq (,$(filter $(SOC), kirkwood))
125 libs-y += arch/arm/mach-mvebu/
129 -include $(machdirs)/config.mk