arch/sh/drivers/pci/fixups-r7780rp.c

   1 /*
   2  * arch/sh/drivers/pci/fixups-r7780rp.c
   3  *
   4  * Highlander R7780RP-1 PCI fixups
   5  *
   6  * Copyright (C) 2003  Lineo uSolutions, Inc.
   7  * Copyright (C) 2004 - 2006  Paul Mundt
   8  *
   9  * This file is subject to the terms and conditions of the GNU General Public
  10  * License.  See the file "COPYING" in the main directory of this archive
  11  * for more details.
  12  */
  13 #include <linux/pci.h>
  14 #include <linux/io.h>
  15 #include "pci-sh4.h"
  16
  17 static char irq_tab[] __initdata = {
  18         65, 66, 67, 68,
  19 };
  20
  21 int __init pcibios_map_platform_irq(struct pci_dev *pdev, u8 slot, u8 pin)
  22 {
  23         return irq_tab[slot];
  24 }
  25
  26 int pci_fixup_pcic(struct pci_channel *chan)
  27 {
  28         pci_write_reg(chan, 0x000043ff, SH4_PCIINTM);
  29         pci_write_reg(chan, 0x00000000, SH7780_PCIIBAR);
  30         pci_write_reg(chan, 0x08000000, SH7780_PCICSCR0);
  31         pci_write_reg(chan, 0x0000001b, SH7780_PCICSAR0);
  32         pci_write_reg(chan, 0xfd000000, SH7780_PCICSCR1);
  33         pci_write_reg(chan, 0x0000000f, SH7780_PCICSAR1);
  34
  35         return 0;
  36 }