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authorNicholas Piggin <npiggin@gmail.com>2018-02-21 05:08:32 +1000
committerMichael Ellerman <mpe@ellerman.id.au>2018-04-01 22:15:32 +1000
commit4b7e5532d2113d002aa54bfe581f35b3f1f72306 (patch)
tree1f83aa8ea114bddb73f5b9cb12393053b8dda94e /arch/powerpc
parentdb5ae1c155af7a76c9f538bf134066303089679d (diff)
powerpc/64s: Add POWER9 CPU type selection
Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc')
-rw-r--r--arch/powerpc/Makefile3
-rw-r--r--arch/powerpc/platforms/Kconfig.cputype5
2 files changed, 7 insertions, 1 deletions
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