arch/mips/pci/fixup-mpc30x.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  *  fixup-mpc30x.c, The Victor MP-C303/304 specific PCI fixups.
   4  *
   5  *  Copyright (C) 2002,2004  Yoichi Yuasa <yuasa@linux-mips.org>
   6  */
   7 #include <linux/init.h>
   8 #include <linux/pci.h>
   9
  10 #include <asm/vr41xx/mpc30x.h>
  11
  12 static const int internal_func_irqs[] = {
  13         VRC4173_CASCADE_IRQ,
  14         VRC4173_AC97_IRQ,
  15         VRC4173_USB_IRQ,
  16 };
  17
  18 static const int irq_tab_mpc30x[] = {
  19  [12] = VRC4173_PCMCIA1_IRQ,
  20  [13] = VRC4173_PCMCIA2_IRQ,
  21  [29] = MQ200_IRQ,
  22 };
  23
  24 int pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
  25 {
  26         if (slot == 30)
  27                 return internal_func_irqs[PCI_FUNC(dev->devfn)];
  28
  29         return irq_tab_mpc30x[slot];
  30 }
  31
  32 /* Do platform specific device initialization at pci_enable_device() time */
  33 int pcibios_plat_dev_init(struct pci_dev *dev)
  34 {
  35         return 0;
  36 }