xref: /openbmc/u-boot/arch/arm/Makefile (revision d9e268ed)
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_AT91)		+= at91
54machine-$(CONFIG_ARCH_BCM283X)		+= bcm283x
55machine-$(CONFIG_ARCH_DAVINCI)		+= davinci
56machine-$(CONFIG_ARCH_EXYNOS)		+= exynos
57machine-$(CONFIG_ARCH_HIGHBANK)		+= highbank
58machine-$(CONFIG_ARCH_KEYSTONE)		+= keystone
59# TODO: rename CONFIG_KIRKWOOD -> CONFIG_ARCH_KIRKWOOD
60machine-$(CONFIG_KIRKWOOD)		+= kirkwood
61machine-$(CONFIG_ARCH_MESON)		+= meson
62machine-$(CONFIG_ARCH_MVEBU)		+= mvebu
63# TODO: rename CONFIG_TEGRA -> CONFIG_ARCH_TEGRA
64# TODO: rename CONFIG_ORION5X -> CONFIG_ARCH_ORION5X
65machine-$(CONFIG_ORION5X)		+= orion5x
66machine-$(CONFIG_ARCH_OMAP2)		+= omap2
67machine-$(CONFIG_ARCH_S5PC1XX)		+= s5pc1xx
68machine-$(CONFIG_ARCH_SUNXI)		+= sunxi
69machine-$(CONFIG_ARCH_SNAPDRAGON)	+= snapdragon
70machine-$(CONFIG_ARCH_SOCFPGA)		+= socfpga
71machine-$(CONFIG_ARCH_RMOBILE)		+= rmobile
72machine-$(CONFIG_ARCH_ROCKCHIP)		+= rockchip
73machine-$(CONFIG_STM32)			+= stm32
74machine-$(CONFIG_TEGRA)			+= tegra
75machine-$(CONFIG_ARCH_UNIPHIER)		+= uniphier
76machine-$(CONFIG_ARCH_ZYNQ)		+= zynq
77
78machdirs := $(patsubst %,arch/arm/mach-%/,$(machine-y))
79
80PLATFORM_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(machdirs))
81
82libs-y += $(machdirs)
83
84head-y := arch/arm/cpu/$(CPU)/start.o
85
86ifeq ($(CONFIG_SPL_BUILD),y)
87ifneq ($(CONFIG_SPL_START_S_PATH),)
88head-y := $(CONFIG_SPL_START_S_PATH:"%"=%)/start.o
89endif
90endif
91
92libs-y += arch/arm/cpu/$(CPU)/
93libs-y += arch/arm/cpu/
94libs-y += arch/arm/lib/
95
96ifeq ($(CONFIG_SPL_BUILD),y)
97ifneq (,$(CONFIG_MX23)$(CONFIG_MX28)$(CONFIG_MX35)$(filter $(SOC), mx25 mx27 mx5 mx6 mx7 mx31 mx35))
98libs-y += arch/arm/imx-common/
99endif
100else
101ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx7 mx31 mx35 mxs vf610))
102libs-y += arch/arm/imx-common/
103endif
104endif
105
106ifneq (,$(filter $(SOC), kirkwood))
107libs-y += arch/arm/mach-mvebu/
108endif
109
110# deprecated
111-include $(machdirs)/config.mk
112