1 files changed, 28 insertions, 21 deletions

diff --git a/arch/sh/include/asm/mmu.h b/arch/sh/include/asm/mmu.h
index c7426ad9926e..15a05b615ba7 100644
--- a/arch/sh/include/asm/mmu.h
+++ b/arch/sh/include/asm/mmu.h
@@ -11,7 +11,9 @@
 
 #define PMB_ADDR		0xf6100000
 #define PMB_DATA		0xf7100000
-#define PMB_ENTRY_MAX		16
+
+#define NR_PMB_ENTRIES		16
+
 #define PMB_E_MASK		0x0000000f
 #define PMB_E_SHIFT		8
 
@@ -25,11 +27,15 @@
 #define PMB_C			0x00000008
 #define PMB_WT			0x00000001
 #define PMB_UB			0x00000200
+#define PMB_CACHE_MASK		(PMB_C | PMB_WT | PMB_UB)
 #define PMB_V			0x00000100
 
 #define PMB_NO_ENTRY		(-1)
 
 #ifndef __ASSEMBLY__
+#include <linux/errno.h>
+#include <linux/threads.h>
+#include <asm/page.h>
 
 /* Default "unsigned long" context */
 typedef unsigned long mm_context_id_t[NR_CPUS];
@@ -47,29 +53,30 @@ typedef struct {
 #endif
 } mm_context_t;
 
-struct pmb_entry;
-
-struct pmb_entry {
-	unsigned long vpn;
-	unsigned long ppn;
-	unsigned long flags;
-
-	/*
-	 * 0 .. NR_PMB_ENTRIES for specific entry selection, or
-	 * PMB_NO_ENTRY to search for a free one
-	 */
-	int entry;
-
-	struct pmb_entry *next;
-	/* Adjacent entry link for contiguous multi-entry mappings */
-	struct pmb_entry *link;
-};
-
+#ifdef CONFIG_PMB
 /* arch/sh/mm/pmb.c */
 long pmb_remap(unsigned long virt, unsigned long phys,
-	       unsigned long size, unsigned long flags);
+	       unsigned long size, pgprot_t prot);
 void pmb_unmap(unsigned long addr);
-int pmb_init(void);
+void pmb_init(void);
+bool __in_29bit_mode(void);
+#else
+static inline long pmb_remap(unsigned long virt, unsigned long phys,
+			     unsigned long size, pgprot_t prot)
+{
+	return -EINVAL;
+}
+
+#define pmb_unmap(addr)		do { } while (0)
+#define pmb_init(addr)		do { } while (0)
+
+#ifdef CONFIG_29BIT
+#define __in_29bit_mode()	(1)
+#else
+#define __in_29bit_mode()	(0)
+#endif
+
+#endif /* CONFIG_PMB */
 #endif /* __ASSEMBLY__ */
 
 #endif /* __MMU_H */