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