2 # SPDX-License-Identifier: GPL-2.0+
5 ifeq ($(CONFIG_SPL_BUILD)$(CONFIG_TEGRA),yy)
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
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_V7) =
44 tune-$(CONFIG_ARM64) =
46 # Evaluate tune cc-option calls now
49 PLATFORM_CPPFLAGS += $(arch-y) $(tune-y)
51 # Machine directory name. This list is sorted alphanumerically
52 # by CONFIG_* macro name.
53 machine-$(CONFIG_ARCH_AT91) += at91
54 machine-$(CONFIG_ARCH_BCM283X) += bcm283x
55 machine-$(CONFIG_ARCH_DAVINCI) += davinci
56 machine-$(CONFIG_ARCH_EXYNOS) += exynos
57 machine-$(CONFIG_ARCH_HIGHBANK) += highbank
58 machine-$(CONFIG_ARCH_KEYSTONE) += keystone
59 # TODO: rename CONFIG_KIRKWOOD -> CONFIG_ARCH_KIRKWOOD
60 machine-$(CONFIG_KIRKWOOD) += kirkwood
61 machine-$(CONFIG_ARCH_MESON) += meson
62 machine-$(CONFIG_ARCH_MVEBU) += mvebu
63 # TODO: rename CONFIG_TEGRA -> CONFIG_ARCH_TEGRA
64 # TODO: rename CONFIG_ORION5X -> CONFIG_ARCH_ORION5X
65 machine-$(CONFIG_ORION5X) += orion5x
66 machine-$(CONFIG_ARCH_S5PC1XX) += s5pc1xx
67 machine-$(CONFIG_ARCH_SUNXI) += sunxi
68 machine-$(CONFIG_ARCH_SNAPDRAGON) += snapdragon
69 machine-$(CONFIG_ARCH_SOCFPGA) += socfpga
70 machine-$(CONFIG_ARCH_ROCKCHIP) += rockchip
71 machine-$(CONFIG_STM32) += stm32
72 machine-$(CONFIG_TEGRA) += tegra
73 machine-$(CONFIG_ARCH_UNIPHIER) += uniphier
74 machine-$(CONFIG_ARCH_ZYNQ) += zynq
76 machdirs := $(patsubst %,arch/arm/mach-%/,$(machine-y))
78 PLATFORM_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(machdirs))
82 head-y := arch/arm/cpu/$(CPU)/start.o
84 ifeq ($(CONFIG_SPL_BUILD),y)
85 ifneq ($(CONFIG_SPL_START_S_PATH),)
86 head-y := $(CONFIG_SPL_START_S_PATH:"%"=%)/start.o
90 libs-y += arch/arm/cpu/$(CPU)/
91 libs-y += arch/arm/cpu/
92 libs-y += arch/arm/lib/
94 ifeq ($(CONFIG_SPL_BUILD),y)
95 ifneq (,$(CONFIG_MX23)$(CONFIG_MX28)$(CONFIG_MX35)$(filter $(SOC), mx25 mx27 mx5 mx6 mx7 mx31 mx35))
96 libs-y += arch/arm/imx-common/
99 ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx7 mx31 mx35 mxs vf610))
100 libs-y += arch/arm/imx-common/
104 ifneq (,$(filter $(SOC), kirkwood))
105 libs-y += arch/arm/mach-mvebu/
109 -include $(machdirs)/config.mk