powerpc: Allow CPU selection of G4/74xx variant

GCC supports -mcpu=G4

This patch gives the opportunity to select ALTIVEC for this variant.

Signed-off-by: Mathieu Malaterre <malat@debian.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype
index 8c7464c..7c54460 100644 (file)
--- a/arch/powerpc/platforms/Kconfig.cputype
+++ b/arch/powerpc/platforms/Kconfig.cputype
@@ -153,6 +153,11 @@ config E300C3_CPU
        bool "e300c3 (831x)"
        depends on PPC_BOOK3S_32
 
+config G4_CPU
+       bool "G4 (74xx)"
+       depends on PPC_BOOK3S_32
+       select ALTIVEC
+
 endchoice
 
 config TARGET_CPU_BOOL
@@ -171,6 +176,7 @@ config TARGET_CPU
        default "860" if 860_CPU
        default "e300c2" if E300C2_CPU
        default "e300c3" if E300C3_CPU
+       default "G4" if G4_CPU
 
 config PPC_BOOK3S
        def_bool y