arch/mips/cobalt/pci.c

   1 /*
   2  * Register PCI controller.
   3  *
   4  * This file is subject to the terms and conditions of the GNU General Public
   5  * License.  See the file "COPYING" in the main directory of this archive
   6  * for more details.
   7  *
   8  * Copyright (C) 1996, 1997, 2004, 05 by Ralf Baechle (ralf@linux-mips.org)
   9  * Copyright (C) 2001, 2002, 2003 by Liam Davies (ldavies@agile.tv)
  10  *
  11  */
  12 #include <linux/init.h>
  13 #include <linux/pci.h>
  14
  15 #include <asm/gt64120.h>
  16
  17 extern struct pci_ops gt64xxx_pci0_ops;
  18
  19 static struct resource cobalt_mem_resource = {
  20         .start  = GT_DEF_PCI0_MEM0_BASE,
  21         .end    = GT_DEF_PCI0_MEM0_BASE + GT_DEF_PCI0_MEM0_SIZE - 1,
  22         .name   = "PCI memory",
  23         .flags  = IORESOURCE_MEM,
  24 };
  25
  26 static struct resource cobalt_io_resource = {
  27         .start  = 0x1000,
  28         .end    = 0xffffffUL,
  29         .name   = "PCI I/O",
  30         .flags  = IORESOURCE_IO,
  31 };
  32
  33 static struct pci_controller cobalt_pci_controller = {
  34         .pci_ops        = &gt64xxx_pci0_ops,
  35         .mem_resource   = &cobalt_mem_resource,
  36         .io_resource    = &cobalt_io_resource,
  37         .io_offset      = 0 - GT_DEF_PCI0_IO_BASE,
  38         .io_map_base    = CKSEG1ADDR(GT_DEF_PCI0_IO_BASE),
  39 };
  40
  41 static int __init cobalt_pci_init(void)
  42 {
  43         register_pci_controller(&cobalt_pci_controller);
  44
  45         return 0;
  46 }
  47
  48 arch_initcall(cobalt_pci_init);