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 $(call cc-option, -march=armv7, -march=armv5)) 19arch-$(CONFIG_CPU_V7R) =-march=armv7-r 20arch-$(CONFIG_ARM64) =-march=armv8-a 21 22# On Tegra systems we must build SPL for the armv4 core on the device 23# but otherwise we can use the value in CONFIG_SYS_ARM_ARCH 24ifeq ($(CONFIG_SPL_BUILD)$(CONFIG_TEGRA),yy) 25arch-y += -D__LINUX_ARM_ARCH__=4 26else 27arch-y += -D__LINUX_ARM_ARCH__=$(CONFIG_SYS_ARM_ARCH) 28endif 29 30# Evaluate arch cc-option calls now 31arch-y := $(arch-y) 32 33# This selects how we optimise for the processor. 34tune-$(CONFIG_CPU_ARM720T) =-mtune=arm7tdmi 35tune-$(CONFIG_CPU_ARM920T) = 36tune-$(CONFIG_CPU_ARM926EJS) = 37tune-$(CONFIG_CPU_ARM946ES) = 38tune-$(CONFIG_CPU_SA1100) =-mtune=strongarm1100 39tune-$(CONFIG_CPU_PXA) =-mcpu=xscale 40tune-$(CONFIG_CPU_ARM1136) = 41tune-$(CONFIG_CPU_ARM1176) = 42tune-$(CONFIG_CPU_V7A) = 43tune-$(CONFIG_CPU_V7R) = 44tune-$(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-$(CONFIG_ARCH_OMAP2PLUS) += omap2 68machine-$(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-$(CONFIG_ARCH_STM32MP) += stm32mp 76machine-$(CONFIG_TEGRA) += tegra 77machine-$(CONFIG_ARCH_UNIPHIER) += uniphier 78machine-$(CONFIG_ARCH_ZYNQ) += zynq 79 80machdirs := $(patsubst %,arch/arm/mach-%/,$(machine-y)) 81 82PLATFORM_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(machdirs)) 83 84libs-y += $(machdirs) 85 86head-y := arch/arm/cpu/$(CPU)/start.o 87 88ifeq ($(CONFIG_SPL_BUILD),y) 89ifneq ($(CONFIG_SPL_START_S_PATH),) 90head-y := $(CONFIG_SPL_START_S_PATH:"%"=%)/start.o 91endif 92endif 93 94libs-y += arch/arm/cpu/$(CPU)/ 95libs-y += arch/arm/cpu/ 96libs-y += arch/arm/lib/ 97 98ifeq ($(CONFIG_SPL_BUILD),y) 99ifneq (,$(CONFIG_MX23)$(CONFIG_MX28)$(CONFIG_MX35)$(filter $(SOC), mx25 mx5 mx6 mx7 mx35 mx8m)) 100libs-y += arch/arm/mach-imx/ 101endif 102else 103ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx7 mx7ulp mx31 mx35 mxs mx8m vf610)) 104libs-y += arch/arm/mach-imx/ 105endif 106endif 107 108ifneq (,$(filter $(SOC), kirkwood)) 109libs-y += arch/arm/mach-mvebu/ 110endif 111 112# deprecated 113-include $(machdirs)/config.mk 114