[MIPS] Vr41xx: Initialize PCI io_map_base

Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 13 insertions, 1 deletions

diff --git a/arch/mips/pci/pci-vr41xx.c b/arch/mips/pci/pci-vr41xx.c
index 33c4f683d067..d1e049b55f34 100644
--- a/arch/mips/pci/pci-vr41xx.c
+++ b/arch/mips/pci/pci-vr41xx.c
@@ -3,7 +3,7 @@
  *
  *  Copyright (C) 2001-2003 MontaVista Software Inc.
  *    Author: Yoichi Yuasa <yyuasa@mvista.com or source@mvista.com>
- *  Copyright (C) 2004-2005  Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
+ *  Copyright (C) 2004-2008  Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
  *  Copyright (C) 2004 by Ralf Baechle (ralf@linux-mips.org)
  *
  *  This program is free software; you can redistribute it and/or modify
@@ -300,6 +300,18 @@ static int __init vr41xx_pciu_init(void)
                 ioport_resource.end = IO_PORT_RESOURCE_END;
         }
 
+        if (setup->master_io) {
+                void __iomem *io_map_base;
+                struct resource *res = vr41xx_pci_controller.io_resource;
+                master = setup->master_io;
+                io_map_base = ioremap(master->bus_base_address,
+                                      res->end - res->start + 1);
+                if (!io_map_base)
+                        return -EBUSY;
+
+                vr41xx_pci_controller.io_map_base = (unsigned long)io_map_base;
+        }
+
         register_pci_controller(&vr41xx_pci_controller);
 
         return 0;