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Commit 01718ba6 authored by Scott Wood's avatar Scott Wood
Browse files

powerpc/booke64: Use appropriate -mcpu 



By default use -mcpu=powerpc64 rather than -mtune=power7

Add options for e5500/e6500, with fallbacks for older compilers.

Hide the POWER cpu options in booke configs.

Signed-off-by: default avatarScott Wood <scottwood@freescale.com>
parent f49596a4

arch/powerpc/Makefile

+9 −0
Original line number Original line Diff line number Diff line
@@ -88,13 +88,22 @@ CFLAGS-$(CONFIG_PPC64) += $(call cc-option,-mcmodel=medium,-mminimal-toc) 
CFLAGS-$(CONFIG_PPC64)	+= $(call cc-option,-mno-pointers-to-nested-functions)

CFLAGS-$(CONFIG_PPC64)	+= $(call cc-option,-mno-pointers-to-nested-functions)

CFLAGS-$(CONFIG_PPC32)	:= -ffixed-r2 -mmultiple

CFLAGS-$(CONFIG_PPC32)	:= -ffixed-r2 -mmultiple





ifeq ($(CONFIG_PPC_BOOK3S_64),y)

CFLAGS-$(CONFIG_GENERIC_CPU) += $(call cc-option,-mtune=power7,-mtune=power4)

CFLAGS-$(CONFIG_GENERIC_CPU) += $(call cc-option,-mtune=power7,-mtune=power4)

else

CFLAGS-$(CONFIG_GENERIC_CPU) += -mcpu=powerpc64

endif



CFLAGS-$(CONFIG_CELL_CPU) += $(call cc-option,-mcpu=cell)

CFLAGS-$(CONFIG_CELL_CPU) += $(call cc-option,-mcpu=cell)

CFLAGS-$(CONFIG_POWER4_CPU) += $(call cc-option,-mcpu=power4)

CFLAGS-$(CONFIG_POWER4_CPU) += $(call cc-option,-mcpu=power4)

CFLAGS-$(CONFIG_POWER5_CPU) += $(call cc-option,-mcpu=power5)

CFLAGS-$(CONFIG_POWER5_CPU) += $(call cc-option,-mcpu=power5)

CFLAGS-$(CONFIG_POWER6_CPU) += $(call cc-option,-mcpu=power6)

CFLAGS-$(CONFIG_POWER6_CPU) += $(call cc-option,-mcpu=power6)

CFLAGS-$(CONFIG_POWER7_CPU) += $(call cc-option,-mcpu=power7)

CFLAGS-$(CONFIG_POWER7_CPU) += $(call cc-option,-mcpu=power7)





E5500_CPU := $(call cc-option,-mcpu=e500mc64,-mcpu=powerpc64)

CFLAGS-$(CONFIG_E5500_CPU) += $(E5500_CPU)

CFLAGS-$(CONFIG_E6500_CPU) += $(call cc-option,-mcpu=e6500,$(E5500_CPU))



CFLAGS-$(CONFIG_TUNE_CELL) += $(call cc-option,-mtune=cell)

CFLAGS-$(CONFIG_TUNE_CELL) += $(call cc-option,-mtune=cell)





KBUILD_CPPFLAGS	+= -Iarch/$(ARCH)

KBUILD_CPPFLAGS	+= -Iarch/$(ARCH)

arch/powerpc/platforms/Kconfig.cputype

+13 −0
Original line number Original line Diff line number Diff line
@@ -96,18 +96,31 @@ config GENERIC_CPU 




config CELL_CPU

config CELL_CPU

	bool "Cell Broadband Engine"

	bool "Cell Broadband Engine"

	depends on PPC_BOOK3S_64





config POWER4_CPU

config POWER4_CPU

	bool "POWER4"

	bool "POWER4"

	depends on PPC_BOOK3S_64





config POWER5_CPU

config POWER5_CPU

	bool "POWER5"

	bool "POWER5"

	depends on PPC_BOOK3S_64





config POWER6_CPU

config POWER6_CPU

	bool "POWER6"

	bool "POWER6"

	depends on PPC_BOOK3S_64





config POWER7_CPU

config POWER7_CPU

	bool "POWER7"

	bool "POWER7"

	depends on PPC_BOOK3S_64



config E5500_CPU

	bool "Freescale e5500"

	depends on E500



config E6500_CPU

	bool "Freescale e6500"

	depends on E500





endchoice

endchoice