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authorImre Kaloz <kaloz@openwrt.org>2009-07-29 14:52:31 +0000
committerImre Kaloz <kaloz@openwrt.org>2009-07-29 14:52:31 +0000
commitc461ddf9a644d1dfd312d72e72ad62b63f2d06cc (patch)
tree77549c2dfc175791d8c1fa4df00769219b96749f /target/linux
parenta63f8633f06f5f785391c006fad57333a2cebc46 (diff)
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ppc4xx optimizations
SVN-Revision: 17040
Diffstat (limited to 'target/linux')
-rw-r--r--target/linux/generic-2.6/patches-2.6.30/991-ppc4xx_optimization.patch30
-rw-r--r--target/linux/ppc40x/Makefile1
-rw-r--r--target/linux/ppc40x/patches-2.6.30/004-magicbox.patch6
-rw-r--r--target/linux/ppc40x/patches-2.6.30/005-openrb.patch2
-rw-r--r--target/linux/ppc44x/Makefile1
5 files changed, 36 insertions, 4 deletions
diff --git a/target/linux/generic-2.6/patches-2.6.30/991-ppc4xx_optimization.patch b/target/linux/generic-2.6/patches-2.6.30/991-ppc4xx_optimization.patch
new file mode 100644
index 0000000000..39d5fb0d00
--- /dev/null
+++ b/target/linux/generic-2.6/patches-2.6.30/991-ppc4xx_optimization.patch
@@ -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
diff --git a/target/linux/ppc40x/Makefile b/target/linux/ppc40x/Makefile
index 00a566910c..f4423391a5 100644
--- a/target/linux/ppc40x/Makefile
+++ b/target/linux/ppc40x/Makefile
@@ -10,6 +10,7 @@ ARCH:=powerpc
BOARD:=ppc40x
BOARDNAME:=AMCC/IBM PPC40x
FEATURES:=squashfs usb
+CFLAGS:=-Os -pipe -funit-at-a-time -mcpu=440
LINUX_VERSION:=2.6.30.3
LINUX_KARCH:=powerpc
diff --git a/target/linux/ppc40x/patches-2.6.30/004-magicbox.patch b/target/linux/ppc40x/patches-2.6.30/004-magicbox.patch
index 72ca542c14..d6ce22d4a8 100644
--- a/target/linux/ppc40x/patches-2.6.30/004-magicbox.patch
+++ b/target/linux/ppc40x/patches-2.6.30/004-magicbox.patch
@@ -377,9 +377,9 @@
+};
--- a/arch/powerpc/boot/Makefile
+++ b/arch/powerpc/boot/Makefile
-@@ -42,6 +42,7 @@ $(obj)/ebony.o: BOOTCFLAGS += -mcpu=405
- $(obj)/cuboot-taishan.o: BOOTCFLAGS += -mcpu=405
- $(obj)/cuboot-katmai.o: BOOTCFLAGS += -mcpu=405
+@@ -42,6 +42,7 @@ $(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)/cuboot-magicbox.o: BOOTCFLAGS += -mcpu=405
$(obj)/treeboot-walnut.o: BOOTCFLAGS += -mcpu=405
diff --git a/target/linux/ppc40x/patches-2.6.30/005-openrb.patch b/target/linux/ppc40x/patches-2.6.30/005-openrb.patch
index 87de8777a2..43407c2025 100644
--- a/target/linux/ppc40x/patches-2.6.30/005-openrb.patch
+++ b/target/linux/ppc40x/patches-2.6.30/005-openrb.patch
@@ -354,7 +354,7 @@
--- a/arch/powerpc/boot/Makefile
+++ b/arch/powerpc/boot/Makefile
@@ -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
$(obj)/cuboot-magicbox.o: BOOTCFLAGS += -mcpu=405
+$(obj)/cuboot-openrb.o: BOOTCFLAGS += -mcpu=405
diff --git a/target/linux/ppc44x/Makefile b/target/linux/ppc44x/Makefile
index 47926de0eb..7d5864339b 100644
--- a/target/linux/ppc44x/Makefile
+++ b/target/linux/ppc44x/Makefile
@@ -10,6 +10,7 @@ ARCH:=powerpc
BOARD:=ppc44x
BOARDNAME:=AMCC/IBM PPC44x
FEATURES:=squashfs
+CFLAGS:=-Os -pipe -funit-at-a-time -mcpu=440
LINUX_VERSION:=2.6.30.3
LINUX_KARCH:=powerpc