powerpc: Use -mcpu=power7 on ppc64 little endian builds

Using -mcpu=power7 allows gcc to use a number of new instructions
including 64 bit byte reversed loads.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype
index 6704e2e..c2a566f 100644 (file)
--- a/arch/powerpc/platforms/Kconfig.cputype
+++ b/arch/powerpc/platforms/Kconfig.cputype
@@ -93,22 +93,23 @@ choice
 
 config GENERIC_CPU
        bool "Generic"
+       depends on !CPU_LITTLE_ENDIAN
 
 config CELL_CPU
        bool "Cell Broadband Engine"
-       depends on PPC_BOOK3S_64
+       depends on PPC_BOOK3S_64 && !CPU_LITTLE_ENDIAN
 
 config POWER4_CPU
        bool "POWER4"
-       depends on PPC_BOOK3S_64
+       depends on PPC_BOOK3S_64 && !CPU_LITTLE_ENDIAN
 
 config POWER5_CPU
        bool "POWER5"
-       depends on PPC_BOOK3S_64
+       depends on PPC_BOOK3S_64 && !CPU_LITTLE_ENDIAN
 
 config POWER6_CPU
        bool "POWER6"
-       depends on PPC_BOOK3S_64
+       depends on PPC_BOOK3S_64 && !CPU_LITTLE_ENDIAN
 
 config POWER7_CPU
        bool "POWER7"