Merge branch 'u-boot/master'

[platform/kernel/u-boot.git] / arch / arm / Makefile

diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index bac3cb2..6463c19 100644 (file)
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -2,6 +2,38 @@
 # SPDX-License-Identifier:     GPL-2.0+
 #
 
+# This selects which instruction set is used.
+arch-$(CONFIG_CPU_ARM720T)     =-march=armv4
+arch-$(CONFIG_CPU_ARM920T)     =-march=armv4
+arch-$(CONFIG_CPU_ARM926EJS)   =-march=armv5te
+arch-$(CONFIG_CPU_ARM946ES)    =-march=armv4
+arch-$(CONFIG_CPU_SA1100)      =-march=armv4
+arch-$(CONFIG_CPU_PXA)         =
+arch-$(CONFIG_CPU_ARM1136)     =-march=armv5
+arch-$(CONFIG_CPU_ARM1176)     =-march=armv5t
+arch-$(CONFIG_CPU_V7)          =$(call cc-option, -march=armv7-a, -march=armv5)
+arch-$(CONFIG_ARM64)           =-march=armv8-a
+
+# Evaluate arch cc-option calls now
+arch-y := $(arch-y)
+
+# This selects how we optimise for the processor.
+tune-$(CONFIG_CPU_ARM720T)     =-mtune=arm7tdmi
+tune-$(CONFIG_CPU_ARM920T)     =
+tune-$(CONFIG_CPU_ARM926EJS)   =
+tune-$(CONFIG_CPU_ARM946ES)    =
+tune-$(CONFIG_CPU_SA1100)      =-mtune=strongarm1100
+tune-$(CONFIG_CPU_PXA)         =-mcpu=xscale
+tune-$(CONFIG_CPU_ARM1136)     =
+tune-$(CONFIG_CPU_ARM1176)     =
+tune-$(CONFIG_CPU_V7)          =
+tune-$(CONFIG_ARM64)           =
+
+# Evaluate tune cc-option calls now
+tune-y := $(tune-y)
+
+PLATFORM_CPPFLAGS += $(arch-y) $(tune-y)
+
 # Machine directory name.  This list is sorted alphanumerically
 # by CONFIG_* macro name.
 machine-$(CONFIG_ARCH_AT91)            += at91