1 files changed, 7 insertions, 1 deletions

diff --git a/include/asm-powerpc/page_64.h b/include/asm-powerpc/page_64.h
index 56a2df0f6836..4ee82c61e4d7 100644
--- a/include/asm-powerpc/page_64.h
+++ b/include/asm-powerpc/page_64.h
@@ -26,12 +26,18 @@
  */
 #define PAGE_FACTOR             (PAGE_SHIFT - HW_PAGE_SHIFT)
 
-/* Segment size */
+/* Segment size; normal 256M segments */
 #define SID_SHIFT               28
 #define SID_MASK                ASM_CONST(0xfffffffff)
 #define ESID_MASK               0xfffffffff0000000UL
 #define GET_ESID(x)             (((x) >> SID_SHIFT) & SID_MASK)
 
+/* 1T segments */
+#define SID_SHIFT_1T            40
+#define SID_MASK_1T             0xffffffUL
+#define ESID_MASK_1T            0xffffff0000000000UL
+#define GET_ESID_1T(x)          (((x) >> SID_SHIFT_1T) & SID_MASK_1T)
+
 #ifndef __ASSEMBLY__
 #include <asm/cache.h>