1 files changed, 23 insertions, 26 deletions

diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile
index 6524c6e21896..950d1f7a5a39 100644
--- a/arch/powerpc/Makefile
+++ b/arch/powerpc/Makefile
@@ -69,6 +69,16 @@ LDFLAGS_vmlinux	:= $(LDFLAGS_vmlinux-y)
 
 CFLAGS-$(CONFIG_PPC64)  := -mminimal-toc -mtraceback=no -mcall-aixdesc
 CFLAGS-$(CONFIG_PPC32)  := -ffixed-r2 -mmultiple
+
+CFLAGS-$(CONFIG_GENERIC_CPU) += $(call cc-option,-mtune=power7,-mtune=power4)
+CFLAGS-$(CONFIG_CELL_CPU) += $(call cc-option,-mcpu=cell)
+CFLAGS-$(CONFIG_POWER4_CPU) += $(call cc-option,-mcpu=power4)
+CFLAGS-$(CONFIG_POWER5_CPU) += $(call cc-option,-mcpu=power5)
+CFLAGS-$(CONFIG_POWER6_CPU) += $(call cc-option,-mcpu=power6)
+CFLAGS-$(CONFIG_POWER7_CPU) += $(call cc-option,-mcpu=power7)
+
+CFLAGS-$(CONFIG_TUNE_CELL) += $(call cc-option,-mtune=cell)
+
 KBUILD_CPPFLAGS += -Iarch/$(ARCH)
 KBUILD_AFLAGS   += -Iarch/$(ARCH)
 KBUILD_CFLAGS   += -msoft-float -pipe -Iarch/$(ARCH) $(CFLAGS-y)
@@ -76,32 +86,11 @@ CPP		= $(CC) -E $(KBUILD_CFLAGS)
 
 CHECKFLAGS      += -m$(CONFIG_WORD_SIZE) -D__powerpc__ -D__powerpc$(CONFIG_WORD_SIZE)__
 
-ifeq ($(CONFIG_PPC64),y)
-GCC_BROKEN_VEC  := $(call cc-ifversion, -lt, 0400, y)
-
-ifeq ($(CONFIG_POWER4_ONLY),y)
-ifeq ($(CONFIG_ALTIVEC),y)
-ifeq ($(GCC_BROKEN_VEC),y)
-        KBUILD_CFLAGS += $(call cc-option,-mcpu=970)
-else
-        KBUILD_CFLAGS += $(call cc-option,-mcpu=power4)
-endif
-else
-        KBUILD_CFLAGS += $(call cc-option,-mcpu=power4)
-endif
-else
-        KBUILD_CFLAGS += $(call cc-option,-mtune=power4)
-endif
-endif
-
 KBUILD_LDFLAGS_MODULE += arch/powerpc/lib/crtsavres.o
 
-ifeq ($(CONFIG_TUNE_CELL),y)
-        KBUILD_CFLAGS += $(call cc-option,-mtune=cell)
-endif
-
-# No AltiVec instruction when building kernel
+# No AltiVec or VSX instructions when building kernel
 KBUILD_CFLAGS += $(call cc-option,-mno-altivec)
+KBUILD_CFLAGS += $(call cc-option,-mno-vsx)
 
 # No SPE instruction when building kernel
 # (We use all available options to help semi-broken compilers)
@@ -160,6 +149,7 @@ core-$(CONFIG_KVM) 		+= arch/powerpc/kvm/
 core-$(CONFIG_PERF_EVENTS)      += arch/powerpc/perf/
 
 drivers-$(CONFIG_OPROFILE)      += arch/powerpc/oprofile/
+drivers-$(CONFIG_CRYPTO_DEV_NX) += drivers/crypto/nx/
 
 # Default to zImage, override when needed
 all: zImage
@@ -234,10 +224,11 @@ archprepare: checkbin
 # Use the file '.tmp_gas_check' for binutils tests, as gas won't output
 # to stdout and these checks are run even on install targets.
 TOUT    := .tmp_gas_check
-# Ensure this is binutils 2.12.1 (or 2.12.90.0.7) or later for altivec
-# instructions.
-# gcc-3.4 and binutils-2.14 are a fatal combination.
 
+# Check gcc and binutils versions:
+# - gcc-3.4 and binutils-2.14 are a fatal combination
+# - Require gcc 4.0 or above on 64-bit
+# - gcc-4.2.0 has issues compiling modules on 64-bit
 checkbin:
         @if test "$(call cc-version)" = "0304" ; then \
                 if ! /bin/echo mftb 5 | $(AS) -v -mppc -many -o $(TOUT) >/dev/null 2>&1 ; then \
@@ -247,6 +238,12 @@ checkbin:
                         false; \
                 fi ; \
         fi
+        @if test "$(call cc-version)" -lt "0400" \
+            && test "x${CONFIG_PPC64}" = "xy" ; then \
+                echo -n "Sorry, GCC v4.0 or above is required to build " ; \
+                echo "the 64-bit powerpc kernel." ; \
+                false ; \
+        fi
         @if test "$(call cc-fullversion)" = "040200" \
             && test "x${CONFIG_MODULES}${CONFIG_PPC64}" = "xyy" ; then \
                 echo -n '*** GCC-4.2.0 cannot compile the 64-bit powerpc ' ; \