1 files changed, 26 insertions, 0 deletions

diff --git a/include/asm-powerpc/reg.h b/include/asm-powerpc/reg.h
index 8fb96811b55d..6faae7b14d55 100644
--- a/include/asm-powerpc/reg.h
+++ b/include/asm-powerpc/reg.h
@@ -591,6 +591,7 @@
 #define PV_630          0x0040
 #define PV_630p 0x0041
 #define PV_970MP        0x0044
+#define PV_970GX        0x0045
 #define PV_BE           0x0070
 #define PV_PA6T         0x0090
 
@@ -618,10 +619,35 @@
                                 : "=r" (rval)); rval;})
 #define mtspr(rn, v)    asm volatile("mtspr " __stringify(rn) ",%0" : : "r" (v))
 
+#ifdef __powerpc64__
+#ifdef CONFIG_PPC_CELL
+#define mftb()          ({unsigned long rval;                           \
+                        asm volatile(                                   \
+                                "90:    mftb %0;\n"                     \
+                                "97:    cmpwi %0,0;\n"                  \
+                                "       beq- 90b;\n"                    \
+                                "99:\n"                                 \
+                                ".section __ftr_fixup,\"a\"\n"          \
+                                ".align 3\n"                            \
+                                "98:\n"                                 \
+                                "       .llong %1\n"                    \
+                                "       .llong %1\n"                    \
+                                "       .llong 97b-98b\n"               \
+                                "       .llong 99b-98b\n"               \
+                                ".previous"                             \
+                        : "=r" (rval) : "i" (CPU_FTR_CELL_TB_BUG)); rval;})
+#else
 #define mftb()          ({unsigned long rval;   \
                         asm volatile("mftb %0" : "=r" (rval)); rval;})
+#endif /* !CONFIG_PPC_CELL */
+
+#else /* __powerpc64__ */
+
 #define mftbl()         ({unsigned long rval;   \
                         asm volatile("mftbl %0" : "=r" (rval)); rval;})
+#define mftbu()         ({unsigned long rval;   \
+                        asm volatile("mftbu %0" : "=r" (rval)); rval;})
+#endif /* !__powerpc64__ */
 
 #define mttbl(v)        asm volatile("mttbl %0":: "r"(v))
 #define mttbu(v)        asm volatile("mttbu %0":: "r"(v))