[PATCH 1/2] powerpc: Add POWER8 CPU selection
From: Anton Blanchard <hidden>
Date: 2014-09-16 00:47:52
Also in:
lkml
This allows the user to build a kernel targeted at POWER8 (ie gcc -mcpu=power8). Signed-off-by: Anton Blanchard <redacted> --- 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