LXR uboot/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
  24void 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
  76