1# SPDX-License-Identifier: GPL-2.0+ 2 3ifeq ($(CONFIG_SPL_BUILD)$(CONFIG_TEGRA),yy) 4CONFIG_CPU_V7= 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-$(CONFIG_CPU_V7) =$(call cc-option, -march=armv7-a, \ 18 $(call cc-option, -march=armv7, -march=armv5)) 19arch-$(CONFIG_ARM64) =-march=armv8-a 20 21# On Tegra systems we must build SPL for the armv4 core on the device 22# but otherwise we can use the value in CONFIG_SYS_ARM_ARCH 23ifeq ($(CONFIG_SPL_BUILD)$(CONFIG_TEGRA),yy) 24arch-y += -D__LINUX_ARM_ARCH__=4 25else 26arch-y += -D__LINUX_ARM_ARCH__=$(CONFIG_SYS_ARM_ARCH) 27endif 28 29# Evaluate arch cc-option calls now 30arch-y := $(arch-y) 31 32# This selects how we optimise for the processor. 33tune-$(CONFIG_CPU_ARM720T) =-mtune=arm7tdmi 34tune-$(CONFIG_CPU_ARM920T) = 35tune-$(CONFIG_CPU_ARM926EJS) = 36tune-$(CONFIG_CPU_ARM946ES) = 37tune-$(CONFIG_CPU_SA1100) =-mtune=strongarm1100 38tune-$(CONFIG_CPU_PXA) =-mcpu=xscale 39tune-$(CONFIG_CPU_ARM1136) = 40tune-$(CONFIG_CPU_ARM1176) = 41tune-$(CONFIG_CPU_V7) = 42tune-$(CONFIG_ARM64) = 43 44# Evaluate tune cc-option calls now 45tune-y := $(tune-y) 46 47PLATFORM_CPPFLAGS += $(arch-y) $(tune-y) 48 49# Machine directory name. This list is sorted alphanumerically 50# by CONFIG_* macro name. 51machine-$(CONFIG_ARCH_ASPEED) += aspeed 52machine-$(CONFIG_ARCH_AT91) += at91 53machine-$(CONFIG_ARCH_BCM283X) += bcm283x 54machine-$(CONFIG_ARCH_DAVINCI) += davinci 55machine-$(CONFIG_ARCH_EXYNOS) += exynos 56machine-$(CONFIG_ARCH_HIGHBANK) += highbank 57machine-$(CONFIG_ARCH_KEYSTONE) += keystone 58# TODO: rename CONFIG_KIRKWOOD -> CONFIG_ARCH_KIRKWOOD 59machine-$(CONFIG_KIRKWOOD) += kirkwood 60machine-$(CONFIG_ARCH_MESON) += meson 61machine-$(CONFIG_ARCH_MVEBU) += mvebu 62# TODO: rename CONFIG_TEGRA -> CONFIG_ARCH_TEGRA 63# TODO: rename CONFIG_ORION5X -> CONFIG_ARCH_ORION5X 64machine-$(CONFIG_ORION5X) += orion5x 65machine-$(CONFIG_ARCH_OMAP2PLUS) += omap2 66machine-$(CONFIG_ARCH_S5PC1XX) += s5pc1xx 67machine-$(CONFIG_ARCH_SUNXI) += sunxi 68machine-$(CONFIG_ARCH_SNAPDRAGON) += snapdragon 69machine-$(CONFIG_ARCH_SOCFPGA) += socfpga 70machine-$(CONFIG_ARCH_RMOBILE) += rmobile 71machine-$(CONFIG_ARCH_ROCKCHIP) += rockchip 72machine-$(CONFIG_STM32) += stm32 73machine-$(CONFIG_ARCH_STM32MP) += stm32mp 74machine-$(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 $(SOC), mx25 mx5 mx6 mx7 mx35 mx8m)) 98libs-y += arch/arm/mach-imx/ 99endif 100else 101ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx7 mx7ulp mx31 mx35 mxs mx8m vf610)) 102libs-y += arch/arm/mach-imx/ 103endif 104endif 105 106ifneq (,$(filter $(SOC), kirkwood)) 107libs-y += arch/arm/mach-mvebu/ 108endif 109 110# deprecated 111-include $(machdirs)/config.mk 112