xtensa: nommu support

[linux-2.6-omap-h63xx.git] / arch / xtensa / include / asm / page.h

diff --git a/arch/xtensa/include/asm/page.h b/arch/xtensa/include/asm/page.h
index a5a5d33c15d011a8672400490d9743342982cc09..17e0c5383b108abb9dac7af627aa00ac1fd343ec 100644 (file)
--- a/arch/xtensa/include/asm/page.h
+++ b/arch/xtensa/include/asm/page.h
@@ -33,8 +33,14 @@
 #define PAGE_SIZE              (__XTENSA_UL_CONST(1) << PAGE_SHIFT)
 #define PAGE_MASK              (~(PAGE_SIZE-1))
 
+#ifdef CONFIG_MMU
 #define PAGE_OFFSET            XCHAL_KSEG_CACHED_VADDR
 #define MAX_MEM_PFN            XCHAL_KSEG_SIZE
+#else
+#define PAGE_OFFSET            0
+#define MAX_MEM_PFN            (PLATFORM_DEFAULT_MEM_START + PLATFORM_DEFAULT_MEM_SIZE)
+#endif
+
 #define PGTABLE_START          0x80000000
 
 /*
@@ -165,8 +171,9 @@ extern void copy_user_page(void*, void*, unsigned long, struct page*);
 #define virt_addr_valid(kaddr) pfn_valid(__pa(kaddr) >> PAGE_SHIFT)
 #define page_to_phys(page)     (page_to_pfn(page) << PAGE_SHIFT)
 
+#ifdef CONFIG_MMU
 #define WANT_PAGE_VIRTUAL
-
+#endif
 
 #endif /* __ASSEMBLY__ */