linux-kernel - [PATCH 1/2] powerpc: Add POWER8 CPU selection

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Message-ID: <20140916104749.35b84da8@kryten>
Date:	Tue, 16 Sep 2014 10:47:49 +1000
From:	Anton Blanchard <anton@...ba.org>
To:	benh@...nel.crashing.org, paulus@...ba.org, michael@...erman.id.au,
	torvalds@...ux-foundation.org
Cc:	linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] powerpc: Add POWER8 CPU selection

This allows the user to build a kernel targeted at POWER8
(ie gcc -mcpu=power8).

Signed-off-by: Anton Blanchard <anton@...ba.org>
---

Index: b/arch/powerpc/Makefile
===================================================================
--- a/arch/powerpc/Makefile
+++ b/arch/powerpc/Makefile
@@ -135,6 +135,7 @@ CFLAGS-$(CONFIG_POWER4_CPU) += $(call cc
 CFLAGS-$(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)
 
 # Altivec option not allowed with e500mc64 in GCC.
 ifeq ($(CONFIG_ALTIVEC),y)
Index: b/arch/powerpc/platforms/Kconfig.cputype
===================================================================
--- a/arch/powerpc/platforms/Kconfig.cputype
+++ b/arch/powerpc/platforms/Kconfig.cputype
@@ -117,6 +117,10 @@ config POWER7_CPU
 	bool "POWER7"
 	depends on PPC_BOOK3S_64
 
+config POWER8_CPU
+	bool "POWER8"
+	depends on PPC_BOOK3S_64
+
 config E5500_CPU
 	bool "Freescale e5500"
 	depends on E500
--
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