xref: /openbmc/u-boot/arch/arm/Makefile (revision a186d263)
1#
2# SPDX-License-Identifier:	GPL-2.0+
3#
4
5ifeq ($(CONFIG_SPL_BUILD)$(CONFIG_TEGRA),yy)
6CONFIG_CPU_V7=
7CONFIG_CPU_ARM720T=y
8endif
9
10# This selects which instruction set is used.
11arch-$(CONFIG_CPU_ARM720T)	=-march=armv4
12arch-$(CONFIG_CPU_ARM920T)	=-march=armv4t
13arch-$(CONFIG_CPU_ARM926EJS)	=-march=armv5te
14arch-$(CONFIG_CPU_ARM946ES)	=-march=armv5te
15arch-$(CONFIG_CPU_SA1100)	=-march=armv4
16arch-$(CONFIG_CPU_PXA)		=
17arch-$(CONFIG_CPU_ARM1136)	=-march=armv5
18arch-$(CONFIG_CPU_ARM1176)	=-march=armv5t
19arch-$(CONFIG_CPU_V7)		=$(call cc-option, -march=armv7-a, \
20				 $(call cc-option, -march=armv7, -march=armv5))
21arch-$(CONFIG_ARM64)		=-march=armv8-a
22
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
25ifeq ($(CONFIG_SPL_BUILD)$(CONFIG_TEGRA),yy)
26arch-y += -D__LINUX_ARM_ARCH__=4
27else
28arch-y += -D__LINUX_ARM_ARCH__=$(CONFIG_SYS_ARM_ARCH)
29endif
30
31# Evaluate arch cc-option calls now
32arch-y := $(arch-y)
33
34# This selects how we optimise for the processor.
35tune-$(CONFIG_CPU_ARM720T)	=-mtune=arm7tdmi
36tune-$(CONFIG_CPU_ARM920T)	=
37tune-$(CONFIG_CPU_ARM926EJS)	=
38tune-$(CONFIG_CPU_ARM946ES)	=
39tune-$(CONFIG_CPU_SA1100)	=-mtune=strongarm1100
40tune-$(CONFIG_CPU_PXA)		=-mcpu=xscale
41tune-$(CONFIG_CPU_ARM1136)	=
42tune-$(CONFIG_CPU_ARM1176)	=
43tune-$(CONFIG_CPU_V7)		=
44tune-$(CONFIG_ARM64)		=
45
46# Evaluate tune cc-option calls now
47tune-y := $(tune-y)
48
49PLATFORM_CPPFLAGS += $(arch-y) $(tune-y)
50
51# Machine directory name.  This list is sorted alphanumerically
52# by CONFIG_* macro name.
53machine-$(CONFIG_ARCH_ASPEED)		+= aspeed
54machine-$(CONFIG_ARCH_AT91)		+= at91
55machine-$(CONFIG_ARCH_BCM283X)		+= bcm283x
56machine-$(CONFIG_ARCH_DAVINCI)		+= davinci
57machine-$(CONFIG_ARCH_EXYNOS)		+= exynos
58machine-$(CONFIG_ARCH_HIGHBANK)		+= highbank
59machine-$(CONFIG_ARCH_KEYSTONE)		+= keystone
60# TODO: rename CONFIG_KIRKWOOD -> CONFIG_ARCH_KIRKWOOD
61machine-$(CONFIG_KIRKWOOD)		+= kirkwood
62machine-$(CONFIG_ARCH_MESON)		+= meson
63machine-$(CONFIG_ARCH_MVEBU)		+= mvebu
64# TODO: rename CONFIG_TEGRA -> CONFIG_ARCH_TEGRA
65# TODO: rename CONFIG_ORION5X -> CONFIG_ARCH_ORION5X
66machine-$(CONFIG_ORION5X)		+= orion5x
67machine-$(CONFIG_ARCH_OMAP2PLUS)	+= omap2
68machine-$(CONFIG_ARCH_S5PC1XX)		+= s5pc1xx
69machine-$(CONFIG_ARCH_SUNXI)		+= sunxi
70machine-$(CONFIG_ARCH_SNAPDRAGON)	+= snapdragon
71machine-$(CONFIG_ARCH_SOCFPGA)		+= socfpga
72machine-$(CONFIG_ARCH_RMOBILE)		+= rmobile
73machine-$(CONFIG_ARCH_ROCKCHIP)		+= rockchip
74machine-$(CONFIG_STM32)			+= stm32
75machine-$(CONFIG_TEGRA)			+= tegra
76machine-$(CONFIG_ARCH_UNIPHIER)		+= uniphier
77machine-$(CONFIG_ARCH_ZYNQ)		+= zynq
78
79machdirs := $(patsubst %,arch/arm/mach-%/,$(machine-y))
80
81PLATFORM_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(machdirs))
82
83libs-y += $(machdirs)
84
85head-y := arch/arm/cpu/$(CPU)/start.o
86
87ifeq ($(CONFIG_SPL_BUILD),y)
88ifneq ($(CONFIG_SPL_START_S_PATH),)
89head-y := $(CONFIG_SPL_START_S_PATH:"%"=%)/start.o
90endif
91endif
92
93libs-y += arch/arm/cpu/$(CPU)/
94libs-y += arch/arm/cpu/
95libs-y += arch/arm/lib/
96
97ifeq ($(CONFIG_SPL_BUILD),y)
98ifneq (,$(CONFIG_MX23)$(CONFIG_MX28)$(CONFIG_MX35)$(filter $(SOC), mx25 mx5 mx6 mx7 mx35))
99libs-y += arch/arm/imx-common/
100endif
101else
102ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx7 mx7ulp mx31 mx35 mxs vf610))
103libs-y += arch/arm/imx-common/
104endif
105endif
106
107ifneq (,$(filter $(SOC), kirkwood))
108libs-y += arch/arm/mach-mvebu/
109endif
110
111# deprecated
112-include $(machdirs)/config.mk
113