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-$(CONFIG_ARCH_OMAP2) += omap2 68machine-$(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 $(SOC), mx25 mx27 mx5 mx6 mx7 mx31 mx35 mxs vf610)) 103libs-y += arch/arm/imx-common/ 104endif 105endif 106 107ifneq (,$(filter $(SOC), kirkwood)) 108libs-y += arch/arm/mach-mvebu/ 109endif 110 111# deprecated 112-include $(machdirs)/config.mk 113