X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=include%2Fasm-ppc%2Fpgtable.h;h=55f9d38e3bf8702d302054ead258bf588edf199b;hb=7cece14acd063dd1c4e8933461d44ec6a5a5517b;hp=063ad91cbbcc273e3fa69c9b51e3c957f6fc1538;hpb=b981d8b3f5e008ff10d993be633ad00564fc22cd;p=mv-sheeva.git

diff --git a/include/asm-ppc/pgtable.h b/include/asm-ppc/pgtable.h
index 063ad91cbbc..55f9d38e3bf 100644
--- a/include/asm-ppc/pgtable.h
+++ b/include/asm-ppc/pgtable.h
@@ -271,48 +271,6 @@ extern unsigned long ioremap_bot, ioremap_base;
 /* ERPN in a PTE never gets cleared, ignore it */
 #define _PTE_NONE_MASK	0xffffffff00000000ULL
 
-#elif defined(CONFIG_FSL_BOOKE)
-/*
-   MMU Assist Register 3:
-
-   32 33 34 35 36  ... 50 51 52 53 54 55 56 57 58 59 60 61 62 63
-   RPN......................  0  0 U0 U1 U2 U3 UX SX UW SW UR SR
-
-   - PRESENT *must* be in the bottom three bits because swap cache
-     entries use the top 29 bits.
-
-   - FILE *must* be in the bottom three bits because swap cache
-     entries use the top 29 bits.
-*/
-
-/* Definitions for FSL Book-E Cores */
-#define _PAGE_PRESENT	0x00001	/* S: PTE contains a translation */
-#define _PAGE_USER	0x00002	/* S: User page (maps to UR) */
-#define _PAGE_FILE	0x00002	/* S: when !present: nonlinear file mapping */
-#define _PAGE_ACCESSED	0x00004	/* S: Page referenced */
-#define _PAGE_HWWRITE	0x00008	/* H: Dirty & RW, set in exception */
-#define _PAGE_RW	0x00010	/* S: Write permission */
-#define _PAGE_HWEXEC	0x00020	/* H: UX permission */
-
-#define _PAGE_ENDIAN	0x00040	/* H: E bit */
-#define _PAGE_GUARDED	0x00080	/* H: G bit */
-#define _PAGE_COHERENT	0x00100	/* H: M bit */
-#define _PAGE_NO_CACHE	0x00200	/* H: I bit */
-#define _PAGE_WRITETHRU	0x00400	/* H: W bit */
-
-#ifdef CONFIG_PTE_64BIT
-#define _PAGE_DIRTY	0x08000	/* S: Page dirty */
-
-/* ERPN in a PTE never gets cleared, ignore it */
-#define _PTE_NONE_MASK	0xffffffffffff0000ULL
-#else
-#define _PAGE_DIRTY	0x00800	/* S: Page dirty */
-#endif
-
-#define _PMD_PRESENT	0
-#define _PMD_PRESENT_MASK (PAGE_MASK)
-#define _PMD_BAD	(~PAGE_MASK)
-
 #elif defined(CONFIG_8xx)
 /* Definitions for 8xx embedded chips. */
 #define _PAGE_PRESENT	0x0001	/* Page is valid */
@@ -341,14 +299,6 @@ extern unsigned long ioremap_bot, ioremap_base;
 #define _PMD_PAGE_MASK	0x000c
 #define _PMD_PAGE_8M	0x000c
 
-/*
- * The 8xx TLB miss handler allegedly sets _PAGE_ACCESSED in the PTE
- * for an address even if _PAGE_PRESENT is not set, as a performance
- * optimization.  This is a bug if you ever want to use swap unless
- * _PAGE_ACCESSED is 2, which it isn't, or unless you have 8xx-specific
- * definitions for __swp_entry etc. below, which would be gross.
- *  -- paulus
- */
 #define _PTE_NONE_MASK _PAGE_ACCESSED
 
 #else /* CONFIG_6xx */
@@ -484,11 +434,7 @@ extern unsigned long bad_call_to_PMD_PAGE_SIZE(void);
 
 /* in some case we want to additionaly adjust where the pfn is in the pte to
  * allow room for more flags */
-#if defined(CONFIG_FSL_BOOKE) && defined(CONFIG_PTE_64BIT)
-#define PFN_SHIFT_OFFSET	(PAGE_SHIFT + 8)
-#else
 #define PFN_SHIFT_OFFSET	(PAGE_SHIFT)
-#endif
 
 #define pte_pfn(x)		(pte_val(x) >> PFN_SHIFT_OFFSET)
 #define pte_page(x)		pfn_to_page(pte_pfn(x))
@@ -537,6 +483,7 @@ static inline int pte_write(pte_t pte)		{ return pte_val(pte) & _PAGE_RW; }
 static inline int pte_dirty(pte_t pte)		{ return pte_val(pte) & _PAGE_DIRTY; }
 static inline int pte_young(pte_t pte)		{ return pte_val(pte) & _PAGE_ACCESSED; }
 static inline int pte_file(pte_t pte)		{ return pte_val(pte) & _PAGE_FILE; }
+static inline int pte_special(pte_t pte)	{ return 0; }
 
 static inline void pte_uncache(pte_t pte)       { pte_val(pte) |= _PAGE_NO_CACHE; }
 static inline void pte_cache(pte_t pte)         { pte_val(pte) &= ~_PAGE_NO_CACHE; }
@@ -554,6 +501,8 @@ static inline pte_t pte_mkdirty(pte_t pte) {
 	pte_val(pte) |= _PAGE_DIRTY; return pte; }
 static inline pte_t pte_mkyoung(pte_t pte) {
 	pte_val(pte) |= _PAGE_ACCESSED; return pte; }
+static inline pte_t pte_mkspecial(pte_t pte) {
+	return pte; }
 
 static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
 {