X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=include%2Fasm-powerpc%2Fpgtable-64k.h;h=31cbd3d7fce82b24690e4ed4e0fa6a7b84d5ceda;hb=65b3bc358a3195ebe459761a248cf33a61539947;hp=4b7126c53f37b4cbc7a4c07f19fc38c9bf5805d2;hpb=2a2ed2db353d949c06b6ef8b6913f65b39111eab;p=linux-2.6-omap-h63xx.git

diff --git a/include/asm-powerpc/pgtable-64k.h b/include/asm-powerpc/pgtable-64k.h
index 4b7126c53f3..31cbd3d7fce 100644
--- a/include/asm-powerpc/pgtable-64k.h
+++ b/include/asm-powerpc/pgtable-64k.h
@@ -1,6 +1,5 @@
 #ifndef _ASM_POWERPC_PGTABLE_64K_H
 #define _ASM_POWERPC_PGTABLE_64K_H
-#ifdef __KERNEL__
 
 #include <asm-generic/pgtable-nopud.h>
 
@@ -35,6 +34,12 @@
 #define _PAGE_HPTE_SUB	0x0ffff000 /* combo only: sub pages HPTE bits */
 #define _PAGE_HPTE_SUB0	0x08000000 /* combo only: first sub page */
 #define _PAGE_COMBO	0x10000000 /* this is a combo 4k page */
+#define _PAGE_4K_PFN	0x20000000 /* PFN is for a single 4k page */
+
+/* Note the full page bits must be in the same location as for normal
+ * 4k pages as the same asssembly will be used to insert 64K pages
+ * wether the kernel has CONFIG_PPC_64K_PAGES or not
+ */
 #define _PAGE_F_SECOND  0x00008000 /* full page: hidx bits */
 #define _PAGE_F_GIX     0x00007000 /* full page: hidx bits */
 
@@ -64,8 +69,6 @@
 /* Bits to mask out from a PGD/PUD to get to the PMD page */
 #define PUD_MASKED_BITS		0x1ff
 
-#ifndef __ASSEMBLY__
-
 /* Manipulate "rpte" values */
 #define __real_pte(e,p) 	((real_pte_t) { \
 	(e), pte_val(*((p) + PTRS_PER_PTE)) })
@@ -90,9 +93,11 @@
 
 #define pte_iterate_hashed_end() } while(0); } } while(0)
 
-#define pte_pagesize_index(pte)	\
+#define pte_pagesize_index(mm, addr, pte)	\
 	(((pte) & _PAGE_COMBO)? MMU_PAGE_4K: MMU_PAGE_64K)
 
-#endif /*  __ASSEMBLY__ */
-#endif /* __KERNEL__ */
+#define remap_4k_pfn(vma, addr, pfn, prot)				\
+	remap_pfn_range((vma), (addr), (pfn), PAGE_SIZE,		\
+			__pgprot(pgprot_val((prot)) | _PAGE_4K_PFN))
+
 #endif /* _ASM_POWERPC_PGTABLE_64K_H */