1 # SPDX-License-Identifier: GPL-2.0+
3 ifeq ($(CONFIG_SPL_BUILD)$(CONFIG_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-$(CONFIG_CPU_ARM1136) =-march=armv5
16 arch-$(CONFIG_CPU_ARM1176) =-march=armv5t
17 arch-$(CONFIG_CPU_V7A) =$(call cc-option, -march=armv7-a, \
18 $(call cc-option, -march=armv7))
19 arch-$(CONFIG_CPU_V7M) =-march=armv7-m
20 arch-$(CONFIG_CPU_V7R) =-march=armv7-r
21 arch-$(CONFIG_ARM64) =-march=armv8-a
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
28 arch-y += -D__LINUX_ARM_ARCH__=$(CONFIG_SYS_ARM_ARCH)
31 # Evaluate arch cc-option calls now
34 # This selects how we optimise for the processor.
35 tune-$(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) =-mtune=generic-armv7-a
44 tune-$(CONFIG_CPU_V7R) =
45 tune-$(CONFIG_ARM64) =
47 # Evaluate tune cc-option calls now
50 PLATFORM_CPPFLAGS += $(arch-y) $(tune-y)
52 # Machine directory name. This list is sorted alphanumerically
53 # by CONFIG_* macro name.
54 machine-$(CONFIG_ARCH_ASPEED) += aspeed
55 machine-$(CONFIG_ARCH_AT91) += at91
56 machine-$(CONFIG_ARCH_BCM283X) += bcm283x
57 machine-$(CONFIG_ARCH_BCMSTB) += bcmstb
58 machine-$(CONFIG_ARCH_DAVINCI) += davinci
59 machine-$(CONFIG_ARCH_EXYNOS) += exynos
60 machine-$(CONFIG_ARCH_HIGHBANK) += highbank
61 machine-$(CONFIG_ARCH_K3) += k3
62 machine-$(CONFIG_ARCH_KEYSTONE) += keystone
63 # TODO: rename CONFIG_KIRKWOOD -> CONFIG_ARCH_KIRKWOOD
64 machine-$(CONFIG_KIRKWOOD) += kirkwood
65 machine-$(CONFIG_ARCH_MEDIATEK) += mediatek
66 machine-$(CONFIG_ARCH_MESON) += meson
67 machine-$(CONFIG_ARCH_MVEBU) += mvebu
68 # TODO: rename CONFIG_TEGRA -> CONFIG_ARCH_TEGRA
69 # TODO: rename CONFIG_ORION5X -> CONFIG_ARCH_ORION5X
70 machine-$(CONFIG_ORION5X) += orion5x
71 machine-$(CONFIG_ARCH_OMAP2PLUS) += omap2
72 machine-$(CONFIG_ARCH_OWL) += owl
73 machine-$(CONFIG_ARCH_S5PC1XX) += s5pc1xx
74 machine-$(CONFIG_ARCH_SUNXI) += sunxi
75 machine-$(CONFIG_ARCH_SNAPDRAGON) += snapdragon
76 machine-$(CONFIG_ARCH_SOCFPGA) += socfpga
77 machine-$(CONFIG_ARCH_RMOBILE) += rmobile
78 machine-$(CONFIG_ARCH_ROCKCHIP) += rockchip
79 machine-$(CONFIG_STM32) += stm32
80 machine-$(CONFIG_ARCH_STM32MP) += stm32mp
81 machine-$(CONFIG_TEGRA) += tegra
82 machine-$(CONFIG_ARCH_UNIPHIER) += uniphier
83 machine-$(CONFIG_ARCH_ZYNQ) += zynq
84 machine-$(CONFIG_ARCH_ZYNQMP) += zynqmp
85 machine-$(CONFIG_ARCH_VERSAL) += versal
86 machine-$(CONFIG_ARCH_ZYNQMP_R5) += zynqmp-r5
88 machdirs := $(patsubst %,arch/arm/mach-%/,$(machine-y))
90 PLATFORM_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(machdirs))
94 head-y := arch/arm/cpu/$(CPU)/start.o
96 ifeq ($(CONFIG_SPL_BUILD),y)
97 ifneq ($(CONFIG_SPL_START_S_PATH),)
98 head-y := $(CONFIG_SPL_START_S_PATH:"%"=%)/start.o
102 libs-y += arch/arm/cpu/$(CPU)/
103 libs-y += arch/arm/cpu/
104 libs-y += arch/arm/lib/
106 ifeq ($(CONFIG_SPL_BUILD),y)
107 ifneq (,$(CONFIG_MX23)$(CONFIG_MX28)$(CONFIG_MX35)$(filter $(SOC), mx25 mx5 mx6 mx7 mx35 imx8m imx8))
108 libs-y += arch/arm/mach-imx/
111 ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx7 mx7ulp mx31 mx35 mxs imx8m imx8 vf610))
112 libs-y += arch/arm/mach-imx/
116 ifneq (,$(filter $(SOC), kirkwood))
117 libs-y += arch/arm/mach-mvebu/
121 -include $(machdirs)/config.mk