sh64: Fixup the nommu build.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

4 files changed, 21 insertions, 7 deletions

diff --git a/include/asm-sh/io.h b/include/asm-sh/io.h
index 356e50d0674..a4fbf0c84fb 100644
--- a/include/asm-sh/io.h
+++ b/include/asm-sh/io.h
@@ -268,11 +268,6 @@ unsigned long long peek_real_address_q(unsigned long long addr);
 unsigned long long poke_real_address_q(unsigned long long addr,
 				       unsigned long long val);
 
-/* arch/sh/mm/ioremap_64.c */
-unsigned long onchip_remap(unsigned long addr, unsigned long size,
-			   const char *name);
-extern void onchip_unmap(unsigned long vaddr);
-
 #if !defined(CONFIG_MMU)
 #define virt_to_phys(address)	((unsigned long)(address))
 #define phys_to_virt(address)	((void *)(address))
@@ -302,9 +297,16 @@ extern void onchip_unmap(unsigned long vaddr);
 void __iomem *__ioremap(unsigned long offset, unsigned long size,
 			unsigned long flags);
 void __iounmap(void __iomem *addr);
+
+/* arch/sh/mm/ioremap_64.c */
+unsigned long onchip_remap(unsigned long addr, unsigned long size,
+			   const char *name);
+extern void onchip_unmap(unsigned long vaddr);
 #else
 #define __ioremap(offset, size, flags)	((void __iomem *)(offset))
 #define __iounmap(addr)			do { } while (0)
+#define onchip_remap(addr, size, name)	(addr)
+#define onchip_unmap(addr)		do { } while (0)
 #endif /* CONFIG_MMU */
 
 static inline void __iomem *
diff --git a/include/asm-sh/mmu_context.h b/include/asm-sh/mmu_context.h
index fe58d00b250..87e812f68bb 100644
--- a/include/asm-sh/mmu_context.h
+++ b/include/asm-sh/mmu_context.h
@@ -27,6 +27,7 @@
 /* ASID is 8-bit value, so it can't be 0x100 */
 #define MMU_NO_ASID			0x100
 
+#ifdef CONFIG_MMU
 #define asid_cache(cpu)		(cpu_data[cpu].asid_cache)
 #define cpu_context(cpu, mm)	((mm)->context.id[cpu])
 
@@ -38,7 +39,6 @@
  */
 #define MMU_VPN_MASK	0xfffff000
 
-#ifdef CONFIG_MMU
 #if defined(CONFIG_SUPERH32)
 #include "mmu_context_32.h"
 #else
@@ -129,6 +129,8 @@ static inline void switch_mm(struct mm_struct *prev,
 #define destroy_context(mm)		do { } while (0)
 #define set_asid(asid)			do { } while (0)
 #define get_asid()			(0)
+#define cpu_asid(cpu, mm)		({ (void)cpu; 0; })
+#define switch_and_save_asid(asid)	(0)
 #define set_TTB(pgd)			do { } while (0)
 #define get_TTB()			(0)
 #define activate_context(mm,cpu)	do { } while (0)
diff --git a/include/asm-sh/tlb_64.h b/include/asm-sh/tlb_64.h
index 0308e05fc57..0a96f3af69e 100644
--- a/include/asm-sh/tlb_64.h
+++ b/include/asm-sh/tlb_64.h
@@ -56,6 +56,7 @@ static inline void __flush_tlb_slot(unsigned long long slot)
 	__asm__ __volatile__ ("putcfg %0, 0, r63\n" : : "r" (slot));
 }
 
+#ifdef CONFIG_MMU
 /* arch/sh64/mm/tlb.c */
 int sh64_tlb_init(void);
 unsigned long long sh64_next_free_dtlb_entry(void);
@@ -64,6 +65,13 @@ int sh64_put_wired_dtlb_entry(unsigned long long entry);
 void sh64_setup_tlb_slot(unsigned long long config_addr, unsigned long eaddr,
 			 unsigned long asid, unsigned long paddr);
 void sh64_teardown_tlb_slot(unsigned long long config_addr);
-
+#else
+#define sh64_tlb_init()					do { } while (0)
+#define sh64_next_free_dtlb_entry()			(0)
+#define sh64_get_wired_dtlb_entry()			(0)
+#define sh64_put_wired_dtlb_entry(entry)		do { } while (0)
+#define sh64_setup_tlb_slot(conf, virt, asid, phys)	do { } while (0)
+#define sh64_teardown_tlb_slot(addr)			do { } while (0)
+#endif /* CONFIG_MMU */
 #endif /* __ASSEMBLY__ */
 #endif /* __ASM_SH_TLB_64_H */
diff --git a/include/asm-sh/uaccess_64.h b/include/asm-sh/uaccess_64.h
index f956b7b316c..a9b68d09484 100644
--- a/include/asm-sh/uaccess_64.h
+++ b/include/asm-sh/uaccess_64.h
@@ -274,7 +274,9 @@ struct exception_table_entry
 	unsigned long insn, fixup;
 };
 
+#ifdef CONFIG_MMU
 #define ARCH_HAS_SEARCH_EXTABLE
+#endif
 
 /* Returns 0 if exception not found and fixup.unit otherwise.  */
 extern unsigned long search_exception_table(unsigned long addr);