1# SPDX-License-Identifier: GPL-2.0+ 2 3ifeq ($(CONFIG_SPL_BUILD)$(CONFIG_ARCH_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-$(CONFIG_CPU_ARM1136) =-march=armv5t 14arch-$(CONFIG_CPU_ARM1176) =-march=armv5t 15arch-$(CONFIG_CPU_V7A) =$(call cc-option, -march=armv7-a, \ 16 $(call cc-option, -march=armv7)) 17arch-$(CONFIG_CPU_V7M) =-march=armv7-m 18arch-$(CONFIG_CPU_V7R) =-march=armv7-r 19ifeq ($(CONFIG_ARM64_CRC32),y) 20arch-$(CONFIG_ARM64) =-march=armv8-a+crc 21else 22arch-$(CONFIG_ARM64) =-march=armv8-a 23endif 24 25# On Tegra systems we must build SPL for the armv4 core on the device 26# but otherwise we can use the value in CONFIG_SYS_ARM_ARCH 27ifeq ($(CONFIG_SPL_BUILD)$(CONFIG_ARCH_TEGRA),yy) 28arch-y += -D__LINUX_ARM_ARCH__=4 29else 30arch-y += -D__LINUX_ARM_ARCH__=$(CONFIG_SYS_ARM_ARCH) 31endif 32 33# Evaluate arch cc-option calls now 34arch-y := $(arch-y) 35 36# This selects how we optimise for the processor. 37tune-$(CONFIG_CPU_ARM720T) =-mtune=arm7tdmi 38tune-$(CONFIG_CPU_ARM920T) = 39tune-$(CONFIG_CPU_ARM926EJS) = 40tune-$(CONFIG_CPU_ARM946ES) = 41tune-$(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_APPLE) += apple 55machine-$(CONFIG_ARCH_ASPEED) += aspeed 56machine-$(CONFIG_ARCH_AT91) += at91 57machine-$(CONFIG_ARCH_BCM283X) += bcm283x 58machine-$(CONFIG_ARCH_BCMBCA) += bcmbca 59machine-$(CONFIG_ARCH_BCMSTB) += bcmstb 60machine-$(CONFIG_ARCH_DAVINCI) += davinci 61machine-$(CONFIG_ARCH_EXYNOS) += exynos 62machine-$(CONFIG_ARCH_GXP) += hpe 63machine-$(CONFIG_ARCH_HIGHBANK) += highbank 64machine-$(CONFIG_ARCH_HISTB) += histb 65machine-$(CONFIG_ARCH_IPQ40XX) += ipq40xx 66machine-$(CONFIG_ARCH_K3) += k3 67machine-$(CONFIG_ARCH_KEYSTONE) += keystone 68machine-$(CONFIG_ARCH_KIRKWOOD) += kirkwood 69machine-$(CONFIG_ARCH_LPC32XX) += lpc32xx 70machine-$(CONFIG_ARCH_MEDIATEK) += mediatek 71machine-$(CONFIG_ARCH_MESON) += meson 72machine-$(CONFIG_ARCH_MVEBU) += mvebu 73machine-$(CONFIG_ARCH_NEXELL) += nexell 74machine-$(CONFIG_ARCH_NPCM) += npcm 75machine-$(CONFIG_ARCH_OMAP2PLUS) += omap2 76machine-$(CONFIG_ARCH_ORION5X) += orion5x 77machine-$(CONFIG_ARCH_OWL) += owl 78machine-$(CONFIG_ARCH_RENESAS) += renesas 79machine-$(CONFIG_ARCH_ROCKCHIP) += rockchip 80machine-$(CONFIG_ARCH_S5PC1XX) += s5pc1xx 81machine-$(CONFIG_ARCH_SNAPDRAGON) += snapdragon 82machine-$(CONFIG_ARCH_SOCFPGA) += socfpga 83machine-$(CONFIG_ARCH_STM32) += stm32 84machine-$(CONFIG_ARCH_STM32MP) += stm32mp 85machine-$(CONFIG_ARCH_SUNXI) += sunxi 86machine-$(CONFIG_ARCH_TEGRA) += tegra 87machine-$(CONFIG_ARCH_U8500) += u8500 88machine-$(CONFIG_ARCH_OCTEONTX) += octeontx 89machine-$(CONFIG_ARCH_OCTEONTX2) += octeontx2 90machine-$(CONFIG_ARCH_UNIPHIER) += uniphier 91machine-$(CONFIG_ARCH_VERSAL) += versal 92machine-$(CONFIG_ARCH_VERSAL_NET) += versal-net 93machine-$(CONFIG_ARCH_ZYNQ) += zynq 94machine-$(CONFIG_ARCH_ZYNQMP) += zynqmp 95machine-$(CONFIG_ARCH_ZYNQMP_R5) += zynqmp-r5 96 97machine-$(CONFIG_MACH_IMX) += imx 98 99machdirs := $(patsubst %,arch/arm/mach-%/,$(machine-y)) 100 101PLATFORM_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(machdirs)) 102 103libs-y += $(machdirs) 104 105head-y := arch/arm/cpu/$(CPU)/start.o 106 107ifeq ($(CONFIG_SPL_BUILD),y) 108ifeq ($(CONFIG_SYS_SOC)$(CONFIG_SPL_FRAMEWORK),"mxs") 109head-y := arch/arm/cpu/arm926ejs/mxs/start.o 110endif 111endif 112 113libs-y += arch/arm/cpu/$(CPU)/ 114libs-y += arch/arm/cpu/ 115libs-y += arch/arm/lib/ 116 117ifneq (,$(filter $(SOC), kirkwood)) 118libs-y += arch/arm/mach-mvebu/ 119endif 120 121# deprecated 122-include $(machdirs)/config.mk 123