1 files changed, 8 insertions, 3 deletions

diff --git a/arch/ia64/sn/kernel/iomv.c b/arch/ia64/sn/kernel/iomv.c
index 7ce3cdad627b..4aa4f301d56d 100644
--- a/arch/ia64/sn/kernel/iomv.c
+++ b/arch/ia64/sn/kernel/iomv.c
@@ -3,10 +3,11 @@
  * License.  See the file "COPYING" in the main directory of this archive
  * for more details.
  *
- * Copyright (C) 2000-2003 Silicon Graphics, Inc. All rights reserved.
+ * Copyright (C) 2000-2003, 2006 Silicon Graphics, Inc. All rights reserved.
  */
 
 #include <linux/module.h>
+#include <linux/acpi.h>
 #include <asm/io.h>
 #include <asm/delay.h>
 #include <asm/vga.h>
@@ -15,6 +16,7 @@
 #include <asm/sn/pda.h>
 #include <asm/sn/sn_cpuid.h>
 #include <asm/sn/shub_mmr.h>
+#include <asm/sn/acpi.h>
 
 #define IS_LEGACY_VGA_IOPORT(p) \
         (((p) >= 0x3b0 && (p) <= 0x3bb) || ((p) >= 0x3c0 && (p) <= 0x3df))
@@ -31,11 +33,14 @@ void *sn_io_addr(unsigned long port)
 {
         if (!IS_RUNNING_ON_SIMULATOR()) {
                 if (IS_LEGACY_VGA_IOPORT(port))
-                        port += vga_console_iobase;
+                        return (__ia64_mk_io_addr(port));
                 /* On sn2, legacy I/O ports don't point at anything */
                 if (port < (64 * 1024))
                         return NULL;
-                return ((void *)(port | __IA64_UNCACHED_OFFSET));
+                if (SN_ACPI_BASE_SUPPORT())
+                        return (__ia64_mk_io_addr(port));
+                else
+                        return ((void *)(port | __IA64_UNCACHED_OFFSET));
         } else {
                 /* but the simulator uses them... */
                 unsigned long addr;