arch/mips/pci/fixup-ivr.c

   1 /*
   2  *
   3  * BRIEF MODULE DESCRIPTION
   4  *      Globespan IVR board-specific pci fixups.
   5  *
   6  * Copyright 2000 MontaVista Software Inc.
   7  * Author: MontaVista Software, Inc.
   8  *              ppopov@mvista.com or source@mvista.com
   9  *
  10  *  This program is free software; you can redistribute  it and/or modify it
  11  *  under  the terms of  the GNU General  Public License as published by the
  12  *  Free Software Foundation;  either version 2 of the  License, or (at your
  13  *  option) any later version.
  14  *
  15  *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
  16  *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
  17  *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
  18  *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
  19  *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  20  *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
  21  *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
  22  *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
  23  *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  24  *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  25  *
  26  *  You should have received a copy of the  GNU General Public License along
  27  *  with this program; if not, write  to the Free Software Foundation, Inc.,
  28  *  675 Mass Ave, Cambridge, MA 02139, USA.
  29  */
  30 #include <linux/types.h>
  31 #include <linux/pci.h>
  32 #include <linux/kernel.h>
  33 #include <linux/init.h>
  34
  35 #include <asm/it8172/it8172.h>
  36 #include <asm/it8172/it8172_pci.h>
  37 #include <asm/it8172/it8172_int.h>
  38
  39 /*
  40  * Shortcuts
  41  */
  42 #define INTA    IT8172_PCI_INTA_IRQ
  43 #define INTB    IT8172_PCI_INTB_IRQ
  44 #define INTC    IT8172_PCI_INTC_IRQ
  45 #define INTD    IT8172_PCI_INTD_IRQ
  46
  47 static const int internal_func_irqs[7] __initdata = {
  48         IT8172_AC97_IRQ,
  49         IT8172_DMA_IRQ,
  50         IT8172_CDMA_IRQ,
  51         IT8172_USB_IRQ,
  52         IT8172_BRIDGE_MASTER_IRQ,
  53         IT8172_IDE_IRQ,
  54         IT8172_MC68K_IRQ
  55 };
  56
  57 static char irq_tab_ivr[][5] __initdata = {
  58  [0x11] = { INTC, INTC, INTD, INTA, INTB },     /* Realtek RTL-8139     */
  59  [0x12] = { INTB, INTB, INTB, INTC, INTC },     /* IVR slot             */
  60  [0x13] = { INTA, INTA, INTB, INTC, INTD }      /* Expansion slot       */
  61 };
  62
  63 int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
  64 {
  65         if (slot == 1)
  66                 return internal_func_irqs[PCI_FUNC(dev->devfn)];
  67
  68         return irq_tab_ivr[slot][pin];
  69 }
  70
  71 /* Do platform specific device initialization at pci_enable_device() time */
  72 int pcibios_plat_dev_init(struct pci_dev *dev)
  73 {
  74         return 0;
  75 }