xref: /openbmc/u-boot/arch/arm/Makefile (revision e020fb5a)
1# SPDX-License-Identifier: GPL-2.0+
2
3ifeq ($(CONFIG_SPL_BUILD)$(CONFIG_TEGRA),yy)
4CONFIG_CPU_V7A=
5CONFIG_CPU_ARM720T=y
6endif
7
8# This selects which instruction set is used.
9arch-$(CONFIG_CPU_ARM720T)	=-march=armv4
10arch-$(CONFIG_CPU_ARM920T)	=-march=armv4t
11arch-$(CONFIG_CPU_ARM926EJS)	=-march=armv5te
12arch-$(CONFIG_CPU_ARM946ES)	=-march=armv5te
13arch-$(CONFIG_CPU_SA1100)	=-march=armv4
14arch-$(CONFIG_CPU_PXA)		=
15arch-$(CONFIG_CPU_ARM1136)	=-march=armv5
16arch-$(CONFIG_CPU_ARM1176)	=-march=armv5t
17arch-$(CONFIG_CPU_V7A)		=$(call cc-option, -march=armv7-a, \
18				 $(call cc-option, -march=armv7))
19arch-$(CONFIG_CPU_V7M)		=-march=armv7-m
20arch-$(CONFIG_CPU_V7R)		=-march=armv7-r
21arch-$(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_V7A)		=-mtune=generic-armv7-a
44tune-$(CONFIG_CPU_V7R)		=
45tune-$(CONFIG_ARM64)		=
46
47# Evaluate tune cc-option calls now
48tune-y := $(tune-y)
49
50PLATFORM_CPPFLAGS += $(arch-y) $(tune-y)
51
52# Machine directory name.  This list is sorted alphanumerically
53# by CONFIG_* macro name.
54machine-$(CONFIG_ARCH_ASPEED)		+= aspeed
55machine-$(CONFIG_ARCH_AT91)		+= at91
56machine-$(CONFIG_ARCH_BCM283X)		+= bcm283x
57machine-$(CONFIG_ARCH_BCMSTB)		+= bcmstb
58machine-$(CONFIG_ARCH_DAVINCI)		+= davinci
59machine-$(CONFIG_ARCH_EXYNOS)		+= exynos
60machine-$(CONFIG_ARCH_HIGHBANK)		+= highbank
61machine-$(CONFIG_ARCH_K3)		+= k3
62machine-$(CONFIG_ARCH_KEYSTONE)		+= keystone
63# TODO: rename CONFIG_KIRKWOOD -> CONFIG_ARCH_KIRKWOOD
64machine-$(CONFIG_KIRKWOOD)		+= kirkwood
65machine-$(CONFIG_ARCH_MEDIATEK)		+= mediatek
66machine-$(CONFIG_ARCH_MESON)		+= meson
67machine-$(CONFIG_ARCH_MVEBU)		+= mvebu
68# TODO: rename CONFIG_TEGRA -> CONFIG_ARCH_TEGRA
69# TODO: rename CONFIG_ORION5X -> CONFIG_ARCH_ORION5X
70machine-$(CONFIG_ORION5X)		+= orion5x
71machine-$(CONFIG_ARCH_OMAP2PLUS)	+= omap2
72machine-$(CONFIG_ARCH_OWL)		+= owl
73machine-$(CONFIG_ARCH_S5PC1XX)		+= s5pc1xx
74machine-$(CONFIG_ARCH_SUNXI)		+= sunxi
75machine-$(CONFIG_ARCH_SNAPDRAGON)	+= snapdragon
76machine-$(CONFIG_ARCH_SOCFPGA)		+= socfpga
77machine-$(CONFIG_ARCH_RMOBILE)		+= rmobile
78machine-$(CONFIG_ARCH_ROCKCHIP)		+= rockchip
79machine-$(CONFIG_STM32)			+= stm32
80machine-$(CONFIG_ARCH_STM32MP)		+= stm32mp
81machine-$(CONFIG_TEGRA)			+= tegra
82machine-$(CONFIG_ARCH_UNIPHIER)		+= uniphier
83machine-$(CONFIG_ARCH_ZYNQ)		+= zynq
84machine-$(CONFIG_ARCH_ZYNQMP)		+= zynqmp
85machine-$(CONFIG_ARCH_VERSAL)		+= versal
86machine-$(CONFIG_ARCH_ZYNQMP_R5)	+= zynqmp-r5
87
88machdirs := $(patsubst %,arch/arm/mach-%/,$(machine-y))
89
90PLATFORM_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(machdirs))
91
92libs-y += $(machdirs)
93
94head-y := arch/arm/cpu/$(CPU)/start.o
95
96ifeq ($(CONFIG_SPL_BUILD),y)
97ifneq ($(CONFIG_SPL_START_S_PATH),)
98head-y := $(CONFIG_SPL_START_S_PATH:"%"=%)/start.o
99endif
100endif
101
102libs-y += arch/arm/cpu/$(CPU)/
103libs-y += arch/arm/cpu/
104libs-y += arch/arm/lib/
105
106ifeq ($(CONFIG_SPL_BUILD),y)
107ifneq (,$(CONFIG_MX23)$(CONFIG_MX28)$(CONFIG_MX35)$(filter $(SOC), mx25 mx5 mx6 mx7 mx35 imx8m imx8))
108libs-y += arch/arm/mach-imx/
109endif
110else
111ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx7 mx7ulp mx31 mx35 mxs imx8m imx8 vf610))
112libs-y += arch/arm/mach-imx/
113endif
114endif
115
116ifneq (,$(filter $(SOC), kirkwood))
117libs-y += arch/arm/mach-mvebu/
118endif
119
120# deprecated
121-include $(machdirs)/config.mk
122