arch/powerpc/cpu/mpc824x/pci.c

   1 /*
   2  * arch/powerpc/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  * SPDX-License-Identifier:     GPL-2.0+
  13  */
  14
  15 #include <common.h>
  16
  17 #ifdef CONFIG_PCI
  18
  19 #include <asm/processor.h>
  20 #include <asm/io.h>
  21 #include <pci.h>
  22 #include <mpc824x.h>
  23
  24 void pci_mpc824x_init (struct pci_controller *hose)
  25 {
  26         hose->first_busno = 0;
  27         hose->last_busno = 0xff;
  28
  29         /* System memory space */
  30         pci_set_region(hose->regions + 0,
  31                        CHRP_PCI_MEMORY_BUS,
  32                        CHRP_PCI_MEMORY_PHYS,
  33                        CHRP_PCI_MEMORY_SIZE,
  34                        PCI_REGION_MEM | PCI_REGION_SYS_MEMORY);
  35
  36         /* PCI memory space */
  37         pci_set_region(hose->regions + 1,
  38                        CHRP_PCI_MEM_BUS,
  39                        CHRP_PCI_MEM_PHYS,
  40                        CHRP_PCI_MEM_SIZE,
  41                        PCI_REGION_MEM);
  42
  43         /* ISA/PCI memory space */
  44         pci_set_region(hose->regions + 2,
  45                        CHRP_ISA_MEM_BUS,
  46                        CHRP_ISA_MEM_PHYS,
  47                        CHRP_ISA_MEM_SIZE,
  48                        PCI_REGION_MEM);
  49
  50         /* PCI I/O space */
  51         pci_set_region(hose->regions + 3,
  52                        CHRP_PCI_IO_BUS,
  53                        CHRP_PCI_IO_PHYS,
  54                        CHRP_PCI_IO_SIZE,
  55                        PCI_REGION_IO);
  56
  57         /* ISA/PCI I/O space */
  58         pci_set_region(hose->regions + 4,
  59                        CHRP_ISA_IO_BUS,
  60                        CHRP_ISA_IO_PHYS,
  61                        CHRP_ISA_IO_SIZE,
  62                        PCI_REGION_IO);
  63
  64         hose->region_count = 5;
  65
  66         pci_setup_indirect(hose,
  67                            CHRP_REG_ADDR,
  68                            CHRP_REG_DATA);
  69
  70         pci_register_hose(hose);
  71
  72         hose->last_busno = pci_hose_scan(hose);
  73 }
  74
  75 #endif