/*
   * This file is subject to the terms and conditions of the GNU General Public
   * License.  See the file "COPYING" in the main directory of this archive
   * for more details.
   *
   * Copyright (C) 2000, 2001, 04 Keith M Wesolowski
   */

  #include <linux/init.h>

  #include <linux/kernel.h>

  #include <linux/pci.h>
  #include <linux/types.h>

  #include <asm/lasat/lasat.h>

  
  #include <irq.h>

  
  extern struct pci_ops nile4_pci_ops;
  extern struct pci_ops gt64xxx_pci0_ops;
  static struct resource lasat_pci_mem_resource = {
  	.name	= "LASAT PCI MEM",
  	.start	= 0x18000000,
  	.end	= 0x19ffffff,
  	.flags	= IORESOURCE_MEM,
  };
  
  static struct resource lasat_pci_io_resource = {
  	.name	= "LASAT PCI IO",
  	.start	= 0x1a000000,
  	.end	= 0x1bffffff,
  	.flags	= IORESOURCE_IO,
  };
  
  static struct pci_controller lasat_pci_controller = {
  	.mem_resource	= &lasat_pci_mem_resource,
  	.io_resource	= &lasat_pci_io_resource,
  };
  
  static int __init lasat_pci_setup(void)
  {
  	printk(KERN_DEBUG "PCI: starting
  ");

  	if (IS_LASAT_200())

  		lasat_pci_controller.pci_ops = &nile4_pci_ops;

  	else
  		lasat_pci_controller.pci_ops = &gt64xxx_pci0_ops;

  
  	register_pci_controller(&lasat_pci_controller);
  
  	return 0;
  }
  
  arch_initcall(lasat_pci_setup);

  #define LASAT_IRQ_ETH1   (LASAT_IRQ_BASE + 0)
  #define LASAT_IRQ_ETH0   (LASAT_IRQ_BASE + 1)
  #define LASAT_IRQ_HDC    (LASAT_IRQ_BASE + 2)
  #define LASAT_IRQ_COMP   (LASAT_IRQ_BASE + 3)
  #define LASAT_IRQ_HDLC   (LASAT_IRQ_BASE + 4)
  #define LASAT_IRQ_PCIA   (LASAT_IRQ_BASE + 5)
  #define LASAT_IRQ_PCIB   (LASAT_IRQ_BASE + 6)
  #define LASAT_IRQ_PCIC   (LASAT_IRQ_BASE + 7)
  #define LASAT_IRQ_PCID   (LASAT_IRQ_BASE + 8)

  
  int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
  {
  	switch (slot) {
  	case 1:
  	case 2:
  	case 3:

  		return LASAT_IRQ_PCIA + (((slot-1) + (pin-1)) % 4);

  	case 4:

  		return LASAT_IRQ_ETH1;   /* Ethernet 1 (LAN 2) */

  	case 5:

  		return LASAT_IRQ_ETH0;   /* Ethernet 0 (LAN 1) */

  	case 6:

  		return LASAT_IRQ_HDC;    /* IDE controller */

  	default:
  		return 0xff;            /* Illegal */
  	}
  
  	return -1;
  }
  
  /* Do platform specific device initialization at pci_enable_device() time */
  int pcibios_plat_dev_init(struct pci_dev *dev)
  {
  	return 0;
  }