cpu/mpc824x/pci.c

   1 /*
   2  * arch/ppc/kernel/mpc10x_common.c
   3  *
   4  * Common routines for the Motorola SPS MPC106, MPC107 and MPC8240 Host bridge,
   5  * Mem ctlr, EPIC, etc.
   6  *
   7  * Author: Mark A. Greer
   8  *         mgreer@mvista.com
   9  *
  10  * Copyright 2001 MontaVista Software Inc.
  11  *
  12  * This program is free software; you can redistribute  it and/or modify it
  13  * under  the terms of  the GNU General  Public License as published by the
  14  * Free Software Foundation;  either version 2 of the  License, or (at your
  15  * option) any later version.
  16  */
  17
  18 #include <common.h>
  19
  20 #ifdef CONFIG_PCI
  21
  22 #include <asm/processor.h>
  23 #include <asm/io.h>
  24 #include <pci.h>
  25 #include <mpc824x.h>
  26
  27 void pci_mpc824x_init (struct pci_controller *hose)
  28 {
  29         hose->first_busno = 0;
  30         hose->last_busno = 0xff;
  31
  32         /* System memory space */
  33         pci_set_region(hose->regions + 0,
  34                        CHRP_PCI_MEMORY_BUS,
  35                        CHRP_PCI_MEMORY_PHYS,
  36                        CHRP_PCI_MEMORY_SIZE,
  37                        PCI_REGION_MEM | PCI_REGION_MEMORY);
  38
  39         /* PCI memory space */
  40         pci_set_region(hose->regions + 1,
  41                        CHRP_PCI_MEM_BUS,
  42                        CHRP_PCI_MEM_PHYS,
  43                        CHRP_PCI_MEM_SIZE,
  44                        PCI_REGION_MEM);
  45
  46         /* ISA/PCI memory space */
  47         pci_set_region(hose->regions + 2,
  48                        CHRP_ISA_MEM_BUS,
  49                        CHRP_ISA_MEM_PHYS,
  50                        CHRP_ISA_MEM_SIZE,
  51                        PCI_REGION_MEM);
  52
  53         /* PCI I/O space */
  54         pci_set_region(hose->regions + 3,
  55                        CHRP_PCI_IO_BUS,
  56                        CHRP_PCI_IO_PHYS,
  57                        CHRP_PCI_IO_SIZE,
  58                        PCI_REGION_IO);
  59
  60         /* ISA/PCI I/O space */
  61         pci_set_region(hose->regions + 4,
  62                        CHRP_ISA_IO_BUS,
  63                        CHRP_ISA_IO_PHYS,
  64                        CHRP_ISA_IO_SIZE,
  65                        PCI_REGION_IO);
  66
  67         hose->region_count = 5;
  68
  69         pci_setup_indirect(hose,
  70                            CHRP_REG_ADDR,
  71                            CHRP_REG_DATA);
  72
  73         pci_register_hose(hose);
  74
  75         hose->last_busno = pci_hose_scan(hose);
  76 }
  77
  78 #endif