From: Nicholas Piggin <npiggin@gmail.com>
To: linuxppc-dev@lists.ozlabs.org
Cc: Nicholas Piggin <npiggin@gmail.com>
Subject: [PATCH 9/9] powerpc/64s: add POWER9 CPU type selection
Date: Wed, 21 Feb 2018 05:08:32 +1000 [thread overview]
Message-ID: <20180220190832.1872-10-npiggin@gmail.com> (raw)
In-Reply-To: <20180220190832.1872-1-npiggin@gmail.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
---
arch/powerpc/Makefile | 3 ++-
arch/powerpc/platforms/Kconfig.cputype | 5 +++++
2 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile
index 973b1a1b98d2..f46b6cf364d7 100644
--- a/arch/powerpc/Makefile
+++ b/arch/powerpc/Makefile
@@ -146,7 +146,7 @@ CFLAGS-$(CONFIG_PPC32) := -ffixed-r2 $(MULTIPLEWORD)
ifeq ($(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) += $(call cc-option,-mcpu=power5,-mcpu=power4)
@@ -175,6 +175,7 @@ CFLAGS-$(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 ad878990c896..69be65450c0c 100644
--- a/arch/powerpc/platforms/Kconfig.cputype
+++ b/arch/powerpc/platforms/Kconfig.cputype
@@ -121,6 +121,11 @@ 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
--
2.16.1
prev parent reply other threads:[~2018-02-20 22:12 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-20 19:08 [PATCH 0/9] powerpc cpu feature and kernel build stuff Nicholas Piggin
2018-02-20 19:08 ` [PATCH 1/9] powerpc/64s: cputable add all POWER9 features to CPU_FTRS_ALWAYS Nicholas Piggin
2018-04-03 16:03 ` [1/9] " Michael Ellerman
2018-02-20 19:08 ` [PATCH 2/9] powerpc/64s: fix CPU_FTRS_POSSIBLE vector features Nicholas Piggin
2018-02-20 19:08 ` [PATCH 3/9] powerpc/64s: kbuild set assembler machine type to POWER4 Nicholas Piggin
2018-02-21 11:15 ` kbuild test robot
2018-02-21 11:51 ` Nicholas Piggin
2018-02-20 19:08 ` [PATCH 4/9] powerpc/64s: dt_cpu_ftrs fix POWER9 DD2.2 and above Nicholas Piggin
2018-02-20 19:08 ` [PATCH 5/9] powerpc: remove unused CPU_FTR_ARCH_201 Nicholas Piggin
2018-02-20 19:08 ` [PATCH 6/9] powerpc/64s: remove POWER4 support Nicholas Piggin
2018-02-20 19:08 ` [PATCH 7/9] powerpc/64/le: add GENERIC_CPU support Nicholas Piggin
2018-02-20 19:08 ` [PATCH 8/9] powerpc/64s/le: refine feature sets for little endian builds Nicholas Piggin
2018-02-20 19:08 ` Nicholas Piggin [this message]
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