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_S5PC1XX) += s5pc1xx 67machine-$(CONFIG_ARCH_SUNXI) += sunxi 68machine-$(CONFIG_ARCH_SNAPDRAGON) += snapdragon 69machine-$(CONFIG_ARCH_SOCFPGA) += socfpga 70machine-$(CONFIG_ARCH_ROCKCHIP) += rockchip 71machine-$(CONFIG_STM32) += stm32 72machine-$(CONFIG_TEGRA) += tegra 73machine-$(CONFIG_ARCH_UNIPHIER) += uniphier 74machine-$(CONFIG_ARCH_ZYNQ) += zynq 75 76machdirs := $(patsubst %,arch/arm/mach-%/,$(machine-y)) 77 78PLATFORM_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(machdirs)) 79 80libs-y += $(machdirs) 81 82head-y := arch/arm/cpu/$(CPU)/start.o 83 84ifeq ($(CONFIG_SPL_BUILD),y) 85ifneq ($(CONFIG_SPL_START_S_PATH),) 86head-y := $(CONFIG_SPL_START_S_PATH:"%"=%)/start.o 87endif 88endif 89 90libs-y += arch/arm/cpu/$(CPU)/ 91libs-y += arch/arm/cpu/ 92libs-y += arch/arm/lib/ 93 94ifeq ($(CONFIG_SPL_BUILD),y) 95ifneq (,$(CONFIG_MX23)$(CONFIG_MX28)$(CONFIG_MX35)$(filter $(SOC), mx25 mx27 mx5 mx6 mx7 mx31 mx35)) 96libs-y += arch/arm/imx-common/ 97endif 98else 99ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx7 mx31 mx35 mxs vf610)) 100libs-y += arch/arm/imx-common/ 101endif 102endif 103 104ifneq (,$(filter $(SOC), kirkwood)) 105libs-y += arch/arm/mach-mvebu/ 106endif 107 108# deprecated 109-include $(machdirs)/config.mk 110