2 files changed, 4 insertions, 2 deletions

diff --git a/arch/ppc/kernel/cputable.c b/arch/ppc/kernel/cputable.c
index 546e1ea4cafa..6b76cf58d9e0 100644
--- a/arch/ppc/kernel/cputable.c
+++ b/arch/ppc/kernel/cputable.c
@@ -91,7 +91,7 @@ struct cpu_spec	cpu_specs[] = {
                 .cpu_features           = CPU_FTR_COMMON | CPU_FTR_601 |
                         CPU_FTR_HPTE_TABLE,
                 .cpu_user_features      = COMMON_PPC | PPC_FEATURE_601_INSTR |
-                        PPC_FEATURE_UNIFIED_CACHE,
+                        PPC_FEATURE_UNIFIED_CACHE | PPC_FEATURE_NO_TB,
                 .icache_bsize           = 32,
                 .dcache_bsize           = 32,
                 .cpu_setup              = __setup_cpu_601
@@ -745,7 +745,8 @@ struct cpu_spec	cpu_specs[] = {
                 .cpu_name               = "403GCX",
                 .cpu_features           = CPU_FTR_SPLIT_ID_CACHE |
                         CPU_FTR_USE_TB,
-                .cpu_user_features      = PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU,
+                .cpu_user_features      = PPC_FEATURE_32 |
+                        PPC_FEATURE_HAS_MMU | PPC_FEATURE_NO_TB,
                 .icache_bsize           = 16,
                 .dcache_bsize           = 16,
         },
diff --git a/include/asm-ppc/cputable.h b/include/asm-ppc/cputable.h
index 41d8f8425c04..e17c492c870b 100644
--- a/include/asm-ppc/cputable.h
+++ b/include/asm-ppc/cputable.h
@@ -24,6 +24,7 @@
 #define PPC_FEATURE_HAS_SPE             0x00800000
 #define PPC_FEATURE_HAS_EFP_SINGLE      0x00400000
 #define PPC_FEATURE_HAS_EFP_DOUBLE      0x00200000
+#define PPC_FEATURE_NO_TB               0x00100000
 
 #ifdef __KERNEL__