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Linux/arch/sh/drivers/pci/fixups-snapgear.c

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  1 /*
  2  * arch/sh/drivers/pci/ops-snapgear.c
  3  *
  4  * Author:  David McCullough <davidm@snapgear.com>
  5  *
  6  * Ported to new API by Paul Mundt <lethal@linux-sh.org>
  7  *
  8  * Highly leveraged from pci-bigsur.c, written by Dustin McIntire.
  9  *
 10  * May be copied or modified under the terms of the GNU General Public
 11  * License.  See linux/COPYING for more information.
 12  *
 13  * PCI initialization for the SnapGear boards
 14  */
 15 #include <linux/kernel.h>
 16 #include <linux/types.h>
 17 #include <linux/init.h>
 18 #include <linux/pci.h>
 19 #include <linux/sh_intc.h>
 20 #include "pci-sh4.h"
 21 
 22 int __init pcibios_map_platform_irq(const struct pci_dev *pdev, u8 slot, u8 pin)
 23 {
 24         int irq = -1;
 25 
 26         switch (slot) {
 27         case 8:  /* the PCI bridge */ break;
 28         case 11: irq = evt2irq(0x300); break; /* USB    */
 29         case 12: irq = evt2irq(0x360); break; /* PCMCIA */
 30         case 13: irq = evt2irq(0x2a0); break; /* eth0   */
 31         case 14: irq = evt2irq(0x300); break; /* eth1   */
 32         case 15: irq = evt2irq(0x360); break; /* safenet (unused) */
 33         }
 34 
 35         printk("PCI: Mapping SnapGear IRQ for slot %d, pin %c to irq %d\n",
 36                slot, pin - 1 + 'A', irq);
 37 
 38         return irq;
 39 }
 40 

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