1 files changed, 20 insertions, 0 deletions

diff --git a/arch/powerpc/include/asm/mmu-book3e.h b/arch/powerpc/include/asm/mmu-book3e.h
index 17194fcd4040..3ea0f9a259d8 100644
--- a/arch/powerpc/include/asm/mmu-book3e.h
+++ b/arch/powerpc/include/asm/mmu-book3e.h
@@ -43,6 +43,7 @@
 #define MAS0_TLBSEL(x)          (((x) << 28) & 0x30000000)
 #define MAS0_ESEL(x)            (((x) << 16) & 0x0FFF0000)
 #define MAS0_NV(x)              ((x) & 0x00000FFF)
+#define MAS0_ESEL_MASK          0x0FFF0000
 #define MAS0_HES                0x00004000
 #define MAS0_WQ_ALLWAYS         0x00000000
 #define MAS0_WQ_COND            0x00001000
@@ -137,6 +138,21 @@
 #define MMUCSR0_TLB2PS  0x00078000      /* TLB2 Page Size */
 #define MMUCSR0_TLB3PS  0x00780000      /* TLB3 Page Size */
 
+/* MMUCFG bits */
+#define MMUCFG_MAVN_NASK        0x00000003
+#define MMUCFG_MAVN_V1_0        0x00000000
+#define MMUCFG_MAVN_V2_0        0x00000001
+#define MMUCFG_NTLB_MASK        0x0000000c
+#define MMUCFG_NTLB_SHIFT       2
+#define MMUCFG_PIDSIZE_MASK     0x000007c0
+#define MMUCFG_PIDSIZE_SHIFT    6
+#define MMUCFG_TWC              0x00008000
+#define MMUCFG_LRAT             0x00010000
+#define MMUCFG_RASIZE_MASK      0x00fe0000
+#define MMUCFG_RASIZE_SHIFT     17
+#define MMUCFG_LPIDSIZE_MASK    0x0f000000
+#define MMUCFG_LPIDSIZE_SHIFT   24
+
 /* TLBnCFG encoding */
 #define TLBnCFG_N_ENTRY         0x00000fff      /* number of entries */
 #define TLBnCFG_HES             0x00002000      /* HW select supported */
@@ -229,6 +245,10 @@ extern struct mmu_psize_def mmu_psize_defs[MMU_PAGE_COUNT];
 extern int mmu_linear_psize;
 extern int mmu_vmemmap_psize;
 
+#ifdef CONFIG_PPC64
+extern unsigned long linear_map_top;
+#endif
+
 #endif /* !__ASSEMBLY__ */
 
 #endif /* _ASM_POWERPC_MMU_BOOK3E_H_ */