powerpc/4xx: ppc4xx compile flag optimizations

This patch splits up the compile flags between ppc40x and ppc44x.

Signed-off-by: John Crispin <john@phrozen.org>
Signed-off-by: Imre Kaloz <kaloz@openwrt.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/1482393968-60623-1-git-send-email-john@phrozen.org

diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile
index f310c32..3e8da9c 100644 (file)
--- a/arch/powerpc/Makefile
+++ b/arch/powerpc/Makefile
@@ -246,7 +246,8 @@ KBUILD_CFLAGS += -fno-asynchronous-unwind-tables
 # often slow when they are implemented at all
 KBUILD_CFLAGS          += $(call cc-option,-mno-string)
 
-cpu-as-$(CONFIG_4xx)           += -Wa,-m405
+cpu-as-$(CONFIG_40x)           += -Wa,-m405
+cpu-as-$(CONFIG_44x)           += -Wa,-m440
 cpu-as-$(CONFIG_ALTIVEC)       += $(call as-option,-Wa$(comma)-maltivec)
 cpu-as-$(CONFIG_E200)          += -Wa,-me200
 cpu-as-$(CONFIG_E500)          += -Wa,-me500

diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile
index 63d7456..4d43cb5 100644 (file)
--- a/arch/powerpc/boot/Makefile
+++ b/arch/powerpc/boot/Makefile
@@ -70,10 +70,10 @@ BOOTCFLAGS  += -I$(objtree)/$(obj) -I$(srctree)/$(obj)
 DTC_FLAGS      ?= -p 1024
 
 $(obj)/4xx.o: BOOTCFLAGS += -mcpu=405
-$(obj)/ebony.o: BOOTCFLAGS += -mcpu=405
+$(obj)/ebony.o: BOOTCFLAGS += -mcpu=440
 $(obj)/cuboot-hotfoot.o: BOOTCFLAGS += -mcpu=405
-$(obj)/cuboot-taishan.o: BOOTCFLAGS += -mcpu=405
-$(obj)/cuboot-katmai.o: BOOTCFLAGS += -mcpu=405
+$(obj)/cuboot-taishan.o: BOOTCFLAGS += -mcpu=440
+$(obj)/cuboot-katmai.o: BOOTCFLAGS += -mcpu=440
 $(obj)/cuboot-acadia.o: BOOTCFLAGS += -mcpu=405
 $(obj)/treeboot-iss4xx.o: BOOTCFLAGS += -mcpu=405
 $(obj)/treeboot-currituck.o: BOOTCFLAGS += -mcpu=405