LXR linux/arch/mips/pci/pci-bcm47xx.c

   1/*
   2 *  Copyright (C) 2008 Aurelien Jarno <aurelien@aurel32.net>
   3 *
   4 *  This program is free software; you can redistribute  it and/or modify it
   5 *  under  the terms of  the GNU General  Public License as published by the
   6 *  Free Software Foundation;  either version 2 of the  License, or (at your
   7 *  option) any later version.
   8 *
   9 *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
  10 *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
  11 *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
  12 *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
  13 *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  14 *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
  15 *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
  16 *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
  17 *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  18 *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  19 *
  20 *  You should have received a copy of the  GNU General Public License along
  21 *  with this program; if not, write  to the Free Software Foundation, Inc.,
  22 *  675 Mass Ave, Cambridge, MA 02139, USA.
  23 */
  24
  25#include <linux/types.h>
  26#include <linux/pci.h>
  27#include <linux/ssb/ssb.h>
  28
  29int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
  30{
  31        return 0;
  32}
  33
  34int pcibios_plat_dev_init(struct pci_dev *dev)
  35{
  36        int res;
  37        u8 slot, pin;
  38
  39        res = ssb_pcibios_plat_dev_init(dev);
  40        if (res < 0) {
  41                printk(KERN_ALERT "PCI: Failed to init device %s\n",
  42                       pci_name(dev));
  43                return res;
  44        }
  45
  46        pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin);
  47        slot = PCI_SLOT(dev->devfn);
  48        res = ssb_pcibios_map_irq(dev, slot, pin);
  49
  50        /* IRQ-0 and IRQ-1 are software interrupts. */
  51        if (res < 2) {
  52                printk(KERN_ALERT "PCI: Failed to map IRQ of device %s\n",
  53                       pci_name(dev));
  54                return res;
  55        }
  56
  57        dev->irq = res;
  58        return 0;
  59}
  60