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ppc4xx optimizations 

SVN-Revision: 17040
lede-17.01
Imre Kaloz 2009-07-29 14:52:31 +00:00
parent a63f8633f0
commit c461ddf9a6
5 changed files with 36 additions and 4 deletions
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30
target/linux/generic-2.6/patches-2.6.30/991-ppc4xx_optimization.patch Normal file
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@ -0,0 +1,30 @@
Upstream doesn't optimize the kernel and bootwrappers for ppc44x because
they still want to support gcc 3.3 -- well, we don't.
--- a/arch/powerpc/Makefile
+++ b/arch/powerpc/Makefile
@@ -123,7 +123,8 @@ ifeq ($(CONFIG_FUNCTION_TRACER),y)
KBUILD_CFLAGS += -mno-sched-epilog
endif
-cpu-as-$(CONFIG_4xx) += -Wa,-m405
+cpu-as-$(CONFIG_40x) += -Wa,-m405
+cpu-as-$(CONFIG_44x) += -Wa,-m440
cpu-as-$(CONFIG_6xx) += -Wa,-maltivec
cpu-as-$(CONFIG_POWER4) += -Wa,-maltivec
cpu-as-$(CONFIG_E500) += -Wa,-me500
--- a/arch/powerpc/boot/Makefile
+++ b/arch/powerpc/boot/Makefile
@@ -38,9 +38,9 @@ BOOTCFLAGS += -I$(obj) -I$(srctree)/$(ob
DTS_FLAGS ?= -p 1024
$(obj)/4xx.o: BOOTCFLAGS += -mcpu=405
-$(obj)/ebony.o: BOOTCFLAGS += -mcpu=405
-$(obj)/cuboot-taishan.o: BOOTCFLAGS += -mcpu=405
-$(obj)/cuboot-katmai.o: BOOTCFLAGS += -mcpu=405
+$(obj)/ebony.o: BOOTCFLAGS += -mcpu=440
+$(obj)/cuboot-taishan.o: BOOTCFLAGS += -mcpu=440
+$(obj)/cuboot-katmai.o: BOOTCFLAGS += -mcpu=440
$(obj)/cuboot-acadia.o: BOOTCFLAGS += -mcpu=405
$(obj)/treeboot-walnut.o: BOOTCFLAGS += -mcpu=405
$(obj)/virtex405-head.o: BOOTAFLAGS += -mcpu=405

1
target/linux/ppc40x/Makefile
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@ -10,6 +10,7 @@ ARCH:=powerpc
BOARD:=ppc40x BOARD:=ppc40x
BOARDNAME:=AMCC/IBM PPC40x BOARDNAME:=AMCC/IBM PPC40x
FEATURES:=squashfs usb FEATURES:=squashfs usb
CFLAGS:=-Os -pipe -funit-at-a-time -mcpu=440
LINUX_VERSION:=2.6.30.3 LINUX_VERSION:=2.6.30.3
LINUX_KARCH:=powerpc LINUX_KARCH:=powerpc

6
target/linux/ppc40x/patches-2.6.30/004-magicbox.patch
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@ -377,9 +377,9 @@
+}; +};
--- a/arch/powerpc/boot/Makefile --- a/arch/powerpc/boot/Makefile
+++ b/arch/powerpc/boot/Makefile +++ b/arch/powerpc/boot/Makefile
@@ -42,6 +42,7 @@ $(obj)/ebony.o: BOOTCFLAGS += -mcpu=405 @@ -42,6 +42,7 @@ $(obj)/ebony.o: BOOTCFLAGS += -mcpu=440
$(obj)/cuboot-taishan.o: BOOTCFLAGS += -mcpu=405 $(obj)/cuboot-taishan.o: BOOTCFLAGS += -mcpu=440
$(obj)/cuboot-katmai.o: BOOTCFLAGS += -mcpu=405 $(obj)/cuboot-katmai.o: BOOTCFLAGS += -mcpu=440
$(obj)/cuboot-acadia.o: BOOTCFLAGS += -mcpu=405 $(obj)/cuboot-acadia.o: BOOTCFLAGS += -mcpu=405
+$(obj)/cuboot-magicbox.o: BOOTCFLAGS += -mcpu=405 +$(obj)/cuboot-magicbox.o: BOOTCFLAGS += -mcpu=405
$(obj)/treeboot-walnut.o: BOOTCFLAGS += -mcpu=405 $(obj)/treeboot-walnut.o: BOOTCFLAGS += -mcpu=405

2
target/linux/ppc40x/patches-2.6.30/005-openrb.patch
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@ -354,7 +354,7 @@
--- a/arch/powerpc/boot/Makefile --- a/arch/powerpc/boot/Makefile
+++ b/arch/powerpc/boot/Makefile +++ b/arch/powerpc/boot/Makefile
@@ -43,6 +43,7 @@ $(obj)/cuboot-taishan.o: BOOTCFLAGS += - @@ -43,6 +43,7 @@ $(obj)/cuboot-taishan.o: BOOTCFLAGS += -
$(obj)/cuboot-katmai.o: BOOTCFLAGS += -mcpu=405 $(obj)/cuboot-katmai.o: BOOTCFLAGS += -mcpu=440
$(obj)/cuboot-acadia.o: BOOTCFLAGS += -mcpu=405 $(obj)/cuboot-acadia.o: BOOTCFLAGS += -mcpu=405
$(obj)/cuboot-magicbox.o: BOOTCFLAGS += -mcpu=405 $(obj)/cuboot-magicbox.o: BOOTCFLAGS += -mcpu=405
+$(obj)/cuboot-openrb.o: BOOTCFLAGS += -mcpu=405 +$(obj)/cuboot-openrb.o: BOOTCFLAGS += -mcpu=405

1
target/linux/ppc44x/Makefile
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@ -10,6 +10,7 @@ ARCH:=powerpc
BOARD:=ppc44x BOARD:=ppc44x
BOARDNAME:=AMCC/IBM PPC44x BOARDNAME:=AMCC/IBM PPC44x
FEATURES:=squashfs FEATURES:=squashfs
CFLAGS:=-Os -pipe -funit-at-a-time -mcpu=440
LINUX_VERSION:=2.6.30.3 LINUX_VERSION:=2.6.30.3
LINUX_KARCH:=powerpc LINUX_KARCH:=powerpc