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authorJonas Gorski <jogo@openwrt.org>2012-02-02 08:23:54 +0000
committerJonas Gorski <jogo@openwrt.org>2012-02-02 08:23:54 +0000
commiteca9950f63ec4491a7bd6138174ac08595184e1b (patch)
treea21d36b4e93a079ce234258a3a82b97dd82c10bf /target/linux/generic/patches-3.3/320-ppc4xx_optimization.patch
parentc336de3d85efb1a1150825870b7cbff4f7a65366 (diff)
downloadupstream-eca9950f63ec4491a7bd6138174ac08595184e1b.tar.gz
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kernel: add preliminary support for linux 3.3
Based on 3.3-rc2 SVN-Revision: 29986
Diffstat (limited to 'target/linux/generic/patches-3.3/320-ppc4xx_optimization.patch')
-rw-r--r--target/linux/generic/patches-3.3/320-ppc4xx_optimization.patch31
1 files changed, 31 insertions, 0 deletions
diff --git a/target/linux/generic/patches-3.3/320-ppc4xx_optimization.patch b/target/linux/generic/patches-3.3/320-ppc4xx_optimization.patch
new file mode 100644
index 0000000000..3f67f1b6cb
--- /dev/null
+++ b/target/linux/generic/patches-3.3/320-ppc4xx_optimization.patch
@@ -0,0 +1,31 @@
+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
+@@ -130,7 +130,8 @@ 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-$(CONFIG_ALTIVEC) += -Wa,-maltivec
+ cpu-as-$(CONFIG_E500) += -Wa,-me500
+ cpu-as-$(CONFIG_E200) += -Wa,-me200
+--- a/arch/powerpc/boot/Makefile
++++ b/arch/powerpc/boot/Makefile
+@@ -38,10 +38,10 @@ BOOTCFLAGS += -I$(obj) -I$(srctree)/$(ob
+ 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-walnut.o: BOOTCFLAGS += -mcpu=405
+ $(obj)/treeboot-iss4xx.o: BOOTCFLAGS += -mcpu=405