sh: Split out pgtable.h in to _32 and _64 variants.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/mm/ioremap_64.c b/arch/sh/mm/ioremap_64.c
index 95462a0..e27d165 100644
--- a/arch/sh/mm/ioremap_64.c
+++ b/arch/sh/mm/ioremap_64.c
@@ -1,23 +1,24 @@
/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * arch/sh64/mm/ioremap.c
+ * arch/sh/mm/ioremap_64.c
*
* Copyright (C) 2000, 2001 Paolo Alberelli
- * Copyright (C) 2003, 2004 Paul Mundt
+ * Copyright (C) 2003 - 2007 Paul Mundt
*
* Mostly derived from arch/sh/mm/ioremap.c which, in turn is mostly
* derived from arch/i386/mm/ioremap.c .
*
* (C) Copyright 1995 1996 Linus Torvalds
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
*/
#include <linux/vmalloc.h>
#include <linux/ioport.h>
#include <linux/module.h>
#include <linux/mm.h>
#include <linux/io.h>
+#include <linux/bootmem.h>
#include <linux/proc_fs.h>
#include <asm/page.h>
#include <asm/pgalloc.h>
@@ -42,7 +43,8 @@
* have to convert them into an offset in a page-aligned mapping, but the
* caller shouldn't need to know that small detail.
*/
-void * __ioremap(unsigned long phys_addr, unsigned long size, unsigned long flags)
+void *__ioremap(unsigned long phys_addr, unsigned long size,
+ unsigned long flags)
{
void * addr;
struct vm_struct * area;
@@ -83,7 +85,7 @@
}
EXPORT_SYMBOL(__ioremap);
-void iounmap(void *addr)
+void __iounmap(void *addr)
{
struct vm_struct *area;
@@ -96,7 +98,7 @@
kfree(area);
}
-EXPORT_SYMBOL(iounmap);
+EXPORT_SYMBOL(__iounmap);
static struct resource shmedia_iomap = {
.name = "shmedia_iomap",
@@ -265,6 +267,7 @@
static void shmedia_mapioaddr(unsigned long pa, unsigned long va)
{
pgd_t *pgdp;
+ pud_t *pudp;
pmd_t *pmdp;
pte_t *ptep, pte;
pgprot_t prot;
@@ -274,11 +277,17 @@
pgdp = pgd_offset_k(va);
if (pgd_none(*pgdp) || !pgd_present(*pgdp)) {
- pmdp = (pmd_t *)sh64_get_page();
- set_pgd(pgdp, __pgd((unsigned long)pmdp | _KERNPG_TABLE));
+ pudp = (pud_t *)sh64_get_page();
+ set_pgd(pgdp, __pgd((unsigned long)pudp | _KERNPG_TABLE));
}
- pmdp = pmd_offset(pgdp, va);
+ pudp = pud_offset(pgdp, va);
+ if (pud_none(*pudp) || !pud_present(*pudp)) {
+ pmdp = (pmd_t *)sh64_get_page();
+ set_pud(pudp, __pud((unsigned long)pmdp | _KERNPG_TABLE));
+ }
+
+ pmdp = pmd_offset(pudp, va);
if (pmd_none(*pmdp) || !pmd_present(*pmdp) ) {
ptep = (pte_t *)sh64_get_page();
set_pmd(pmdp, __pmd((unsigned long)ptep + _PAGE_TABLE));
@@ -302,12 +311,19 @@
static void shmedia_unmapioaddr(unsigned long vaddr)
{
pgd_t *pgdp;
+ pud_t *pudp;
pmd_t *pmdp;
pte_t *ptep;
pgdp = pgd_offset_k(vaddr);
- pmdp = pmd_offset(pgdp, vaddr);
+ if (pgd_none(*pgdp) || pgd_bad(*pgdp))
+ return;
+ pudp = pud_offset(pgdp, vaddr);
+ if (pud_none(*pudp) || pud_bad(*pudp))
+ return;
+
+ pmdp = pmd_offset(pudp, vaddr);
if (pmd_none(*pmdp) || pmd_bad(*pmdp))
return;