arch/powerpc/include/asm/io-workarounds.h

   1 /*
   2  * Support PCI IO workaround
   3  *
   4  * (C) Copyright 2007-2008 TOSHIBA CORPORATION
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along
  17  * with this program; if not, write to the Free Software Foundation, Inc.,
  18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19  */
  20
  21 #ifndef _IO_WORKAROUNDS_H
  22 #define _IO_WORKAROUNDS_H
  23
  24 #include <linux/io.h>
  25 #include <asm/pci-bridge.h>
  26
  27 /* Bus info */
  28 struct iowa_bus {
  29         struct pci_controller *phb;
  30         struct ppc_pci_io *ops;
  31         void   *private;
  32 };
  33
  34 void iowa_register_bus(struct pci_controller *, struct ppc_pci_io *,
  35                        int (*)(struct iowa_bus *, void *), void *);
  36 struct iowa_bus *iowa_mem_find_bus(const PCI_IO_ADDR);
  37 struct iowa_bus *iowa_pio_find_bus(unsigned long);
  38
  39 extern struct ppc_pci_io spiderpci_ops;
  40 extern int spiderpci_iowa_init(struct iowa_bus *, void *);
  41
  42 #define SPIDER_PCI_REG_BASE             0xd000
  43 #define SPIDER_PCI_REG_SIZE             0x1000
  44 #define SPIDER_PCI_VCI_CNTL_STAT        0x0110
  45 #define SPIDER_PCI_DUMMY_READ           0x0810
  46 #define SPIDER_PCI_DUMMY_READ_BASE      0x0814
  47
  48 #endif /* _IO_WORKAROUNDS_H */