LXR linux/arch/mips/pci/fixup-tb0226.c

   1// SPDX-License-Identifier: GPL-2.0-or-later
   2/*
   3 *  fixup-tb0226.c, The TANBAC TB0226 specific PCI fixups.
   4 *
   5 *  Copyright (C) 2002-2005  Yoichi Yuasa <yuasa@linux-mips.org>
   6 */
   7#include <linux/init.h>
   8#include <linux/pci.h>
   9
  10#include <asm/vr41xx/giu.h>
  11#include <asm/vr41xx/tb0226.h>
  12
  13int pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
  14{
  15        int irq = -1;
  16
  17        switch (slot) {
  18        case 12:
  19                vr41xx_set_irq_trigger(GD82559_1_PIN,
  20                                       IRQ_TRIGGER_LEVEL,
  21                                       IRQ_SIGNAL_THROUGH);
  22                vr41xx_set_irq_level(GD82559_1_PIN, IRQ_LEVEL_LOW);
  23                irq = GD82559_1_IRQ;
  24                break;
  25        case 13:
  26                vr41xx_set_irq_trigger(GD82559_2_PIN,
  27                                       IRQ_TRIGGER_LEVEL,
  28                                       IRQ_SIGNAL_THROUGH);
  29                vr41xx_set_irq_level(GD82559_2_PIN, IRQ_LEVEL_LOW);
  30                irq = GD82559_2_IRQ;
  31                break;
  32        case 14:
  33                switch (pin) {
  34                case 1:
  35                        vr41xx_set_irq_trigger(UPD720100_INTA_PIN,
  36                                               IRQ_TRIGGER_LEVEL,
  37                                               IRQ_SIGNAL_THROUGH);
  38                        vr41xx_set_irq_level(UPD720100_INTA_PIN,
  39                                             IRQ_LEVEL_LOW);
  40                        irq = UPD720100_INTA_IRQ;
  41                        break;
  42                case 2:
  43                        vr41xx_set_irq_trigger(UPD720100_INTB_PIN,
  44                                               IRQ_TRIGGER_LEVEL,
  45                                               IRQ_SIGNAL_THROUGH);
  46                        vr41xx_set_irq_level(UPD720100_INTB_PIN,
  47                                             IRQ_LEVEL_LOW);
  48                        irq = UPD720100_INTB_IRQ;
  49                        break;
  50                case 3:
  51                        vr41xx_set_irq_trigger(UPD720100_INTC_PIN,
  52                                               IRQ_TRIGGER_LEVEL,
  53                                               IRQ_SIGNAL_THROUGH);
  54                        vr41xx_set_irq_level(UPD720100_INTC_PIN,
  55                                             IRQ_LEVEL_LOW);
  56                        irq = UPD720100_INTC_IRQ;
  57                        break;
  58                default:
  59                        break;
  60                }
  61                break;
  62        default:
  63                break;
  64        }
  65
  66        return irq;
  67}
  68
  69/* Do platform specific device initialization at pci_enable_device() time */
  70int pcibios_plat_dev_init(struct pci_dev *dev)
  71{
  72        return 0;
  73}
  74