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Commit 4b7e5532 authored by Nicholas Piggin's avatar Nicholas Piggin Committed by Michael Ellerman
Browse files

powerpc/64s: Add POWER9 CPU type selection 



Signed-off-by: default avatarNicholas Piggin <npiggin@gmail.com>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
parent db5ae1c1

arch/powerpc/Makefile

+2 −1
Original line number Diff line number Diff line
@@ -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)

arch/powerpc/platforms/Kconfig.cputype

+5 −0
Original line number Diff line number Diff line
@@ -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