powerpc: Add 2.06 tlbie mnemonics

This adds the PowerPC 2.06 tlbie mnemonics and keeps backwards
compatibilty for CPUs before 2.06.

Only useful for bare metal systems.

Signed-off-by: Milton Miller <miltonm@bga.com>
Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

1 files changed, 11 insertions, 2 deletions

diff --git a/arch/powerpc/mm/hash_native_64.c b/arch/powerpc/mm/hash_native_64.c
index 34e5c0b219b..056d23a1b10 100644
--- a/arch/powerpc/mm/hash_native_64.c
+++ b/arch/powerpc/mm/hash_native_64.c
@@ -27,6 +27,7 @@
 #include <asm/cputable.h>
 #include <asm/udbg.h>
 #include <asm/kexec.h>
+#include <asm/ppc-opcode.h>
 
 #ifdef DEBUG_LOW
 #define DBG_LOW(fmt...) udbg_printf(fmt)
@@ -49,14 +50,21 @@ static inline void __tlbie(unsigned long va, int psize, int ssize)
         case MMU_PAGE_4K:
                 va &= ~0xffful;
                 va |= ssize << 8;
-                asm volatile("tlbie %0,0" : : "r" (va) : "memory");
+                asm volatile(ASM_MMU_FTR_IFCLR("tlbie %0,0", PPC_TLBIE(%1,%0),
+                                               %2)
+                             : : "r" (va), "r"(0), "i" (MMU_FTR_TLBIE_206)
+                             : "memory");
                 break;
         default:
                 penc = mmu_psize_defs[psize].penc;
                 va &= ~((1ul << mmu_psize_defs[psize].shift) - 1);
                 va |= penc << 12;
                 va |= ssize << 8;
-                asm volatile("tlbie %0,1" : : "r" (va) : "memory");
+                va |= 1; /* L */
+                asm volatile(ASM_MMU_FTR_IFCLR("tlbie %0,1", PPC_TLBIE(%1,%0),
+                                               %2)
+                             : : "r" (va), "r"(0), "i" (MMU_FTR_TLBIE_206)
+                             : "memory");
                 break;
         }
 }
@@ -80,6 +88,7 @@ static inline void __tlbiel(unsigned long va, int psize, int ssize)
                 va &= ~((1ul << mmu_psize_defs[psize].shift) - 1);
                 va |= penc << 12;
                 va |= ssize << 8;
+                va |= 1; /* L */
                 asm volatile(".long 0x7c000224 | (%0 << 11) | (1 << 21)"
                              : : "r"(va) : "memory");
                 break;