From 4b7e5532d2113d002aa54bfe581f35b3f1f72306 Mon Sep 17 00:00:00 2001 From: Nicholas Piggin Date: Wed, 21 Feb 2018 05:08:32 +1000 Subject: powerpc/64s: Add POWER9 CPU type selection Signed-off-by: Nicholas Piggin Signed-off-by: Michael Ellerman --- arch/powerpc/Makefile | 3 ++- arch/powerpc/platforms/Kconfig.cputype | 5 +++++ 2 files changed, 7 insertions(+), 1 deletion(-) (limited to 'arch/powerpc') diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile index d6fa14077763..95813df90801 100644 --- a/arch/powerpc/Makefile +++ b/arch/powerpc/Makefile @@ -148,7 +148,7 @@ CFLAGS-$(CONFIG_PPC32) += $(call cc-option,-mno-readonly-in-sdata) ifeq ($(CONFIG_PPC_BOOK3S_64),y) ifeq ($(CONFIG_CPU_LITTLE_ENDIAN),y) CFLAGS-$(CONFIG_GENERIC_CPU) += -mcpu=power8 -CFLAGS-$(CONFIG_GENERIC_CPU) += $(call cc-option,-mtune=power8) +CFLAGS-$(CONFIG_GENERIC_CPU) += $(call cc-option,-mtune=power9,-mtune=power8) else CFLAGS-$(CONFIG_GENERIC_CPU) += $(call cc-option,-mtune=power7,$(call cc-option,-mtune=power5)) CFLAGS-$(CONFIG_GENERIC_CPU) += $(call cc-option,-mcpu=power5,-mcpu=power4) @@ -177,6 +177,7 @@ CFLAGS-$(CONFIG_POWER5_CPU) += $(call cc-option,-mcpu=power5) CFLAGS-$(CONFIG_POWER6_CPU) += $(call cc-option,-mcpu=power6) CFLAGS-$(CONFIG_POWER7_CPU) += $(call cc-option,-mcpu=power7) CFLAGS-$(CONFIG_POWER8_CPU) += $(call cc-option,-mcpu=power8) +CFLAGS-$(CONFIG_POWER9_CPU) += $(call cc-option,-mcpu=power9) # Altivec option not allowed with e500mc64 in GCC. ifeq ($(CONFIG_ALTIVEC),y) diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype index e8eac27db592..67d3125d0610 100644 --- a/arch/powerpc/platforms/Kconfig.cputype +++ b/arch/powerpc/platforms/Kconfig.cputype @@ -125,6 +125,11 @@ config POWER8_CPU depends on PPC_BOOK3S_64 select ARCH_HAS_FAST_MULTIPLIER +config POWER9_CPU + bool "POWER9" + depends on PPC_BOOK3S_64 + select ARCH_HAS_FAST_MULTIPLIER + config E5500_CPU bool "Freescale e5500" depends on E500 -- cgit v1.2.3-58-ga151