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powerpc/64s: Add POWER9 CPU type selection

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Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Nicholas Piggin 2018-02-21 05:08:32 +10:00 committed by Michael Ellerman
parent db5ae1c155
commit 4b7e5532d2
2 changed files with 7 additions and 1 deletions
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3
arch/powerpc/Makefile
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@ -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)

5
arch/powerpc/platforms/Kconfig.cputype
View File

@ -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