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_MESON) += meson 66machine-$(CONFIG_ARCH_MVEBU) += mvebu 67# TODO: rename CONFIG_TEGRA -> CONFIG_ARCH_TEGRA 68# TODO: rename CONFIG_ORION5X -> CONFIG_ARCH_ORION5X 69machine-$(CONFIG_ORION5X) += orion5x 70machine-$(CONFIG_ARCH_OMAP2PLUS) += omap2 71machine-$(CONFIG_ARCH_OWL) += owl 72machine-$(CONFIG_ARCH_S5PC1XX) += s5pc1xx 73machine-$(CONFIG_ARCH_SUNXI) += sunxi 74machine-$(CONFIG_ARCH_SNAPDRAGON) += snapdragon 75machine-$(CONFIG_ARCH_SOCFPGA) += socfpga 76machine-$(CONFIG_ARCH_RMOBILE) += rmobile 77machine-$(CONFIG_ARCH_ROCKCHIP) += rockchip 78machine-$(CONFIG_STM32) += stm32 79machine-$(CONFIG_ARCH_STM32MP) += stm32mp 80machine-$(CONFIG_TEGRA) += tegra 81machine-$(CONFIG_ARCH_UNIPHIER) += uniphier 82machine-$(CONFIG_ARCH_ZYNQ) += zynq 83machine-$(CONFIG_ARCH_VERSAL) += versal 84machine-$(CONFIG_ARCH_ZYNQMP_R5) += zynqmp-r5 85 86machdirs := $(patsubst %,arch/arm/mach-%/,$(machine-y)) 87 88PLATFORM_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(machdirs)) 89 90libs-y += $(machdirs) 91 92head-y := arch/arm/cpu/$(CPU)/start.o 93 94ifeq ($(CONFIG_SPL_BUILD),y) 95ifneq ($(CONFIG_SPL_START_S_PATH),) 96head-y := $(CONFIG_SPL_START_S_PATH:"%"=%)/start.o 97endif 98endif 99 100libs-y += arch/arm/cpu/$(CPU)/ 101libs-y += arch/arm/cpu/ 102libs-y += arch/arm/lib/ 103 104ifeq ($(CONFIG_SPL_BUILD),y) 105ifneq (,$(CONFIG_MX23)$(CONFIG_MX28)$(CONFIG_MX35)$(filter $(SOC), mx25 mx5 mx6 mx7 mx35 mx8m)) 106libs-y += arch/arm/mach-imx/ 107endif 108else 109ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx7 mx7ulp mx31 mx35 mxs mx8m vf610)) 110libs-y += arch/arm/mach-imx/ 111endif 112endif 113 114ifneq (,$(filter $(SOC), kirkwood)) 115libs-y += arch/arm/mach-mvebu/ 116endif 117 118# deprecated 119-include $(machdirs)/config.mk 120