arch/mips/pci/fixup-tb0226.c

   1 /*
   2  *  fixup-tb0226.c, The TANBAC TB0226 specific PCI fixups.
   3  *
   4  *  Copyright (C) 2002-2005  Yoichi Yuasa <yuasa@linux-mips.org>
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation; either version 2 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20 #include <linux/init.h>
  21 #include <linux/pci.h>
  22
  23 #include <asm/vr41xx/giu.h>
  24 #include <asm/vr41xx/tb0226.h>
  25
  26 int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
  27 {
  28         int irq = -1;
  29
  30         switch (slot) {
  31         case 12:
  32                 vr41xx_set_irq_trigger(GD82559_1_PIN,
  33                                        IRQ_TRIGGER_LEVEL,
  34                                        IRQ_SIGNAL_THROUGH);
  35                 vr41xx_set_irq_level(GD82559_1_PIN, IRQ_LEVEL_LOW);
  36                 irq = GD82559_1_IRQ;
  37                 break;
  38         case 13:
  39                 vr41xx_set_irq_trigger(GD82559_2_PIN,
  40                                        IRQ_TRIGGER_LEVEL,
  41                                        IRQ_SIGNAL_THROUGH);
  42                 vr41xx_set_irq_level(GD82559_2_PIN, IRQ_LEVEL_LOW);
  43                 irq = GD82559_2_IRQ;
  44                 break;
  45         case 14:
  46                 switch (pin) {
  47                 case 1:
  48                         vr41xx_set_irq_trigger(UPD720100_INTA_PIN,
  49                                                IRQ_TRIGGER_LEVEL,
  50                                                IRQ_SIGNAL_THROUGH);
  51                         vr41xx_set_irq_level(UPD720100_INTA_PIN,
  52                                              IRQ_LEVEL_LOW);
  53                         irq = UPD720100_INTA_IRQ;
  54                         break;
  55                 case 2:
  56                         vr41xx_set_irq_trigger(UPD720100_INTB_PIN,
  57                                                IRQ_TRIGGER_LEVEL,
  58                                                IRQ_SIGNAL_THROUGH);
  59                         vr41xx_set_irq_level(UPD720100_INTB_PIN,
  60                                              IRQ_LEVEL_LOW);
  61                         irq = UPD720100_INTB_IRQ;
  62                         break;
  63                 case 3:
  64                         vr41xx_set_irq_trigger(UPD720100_INTC_PIN,
  65                                                IRQ_TRIGGER_LEVEL,
  66                                                IRQ_SIGNAL_THROUGH);
  67                         vr41xx_set_irq_level(UPD720100_INTC_PIN,
  68                                              IRQ_LEVEL_LOW);
  69                         irq = UPD720100_INTC_IRQ;
  70                         break;
  71                 default:
  72                         break;
  73                 }
  74                 break;
  75         default:
  76                 break;
  77         }
  78
  79         return irq;
  80 }
  81
  82 /* Do platform specific device initialization at pci_enable_device() time */
  83 int pcibios_plat_dev_init(struct pci_dev *dev)
  84 {
  85         return 0;
  86 }