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fixups-snapgear.c
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1 /*
2  * arch/sh/drivers/pci/ops-snapgear.c
3  *
4  * Author: David McCullough <[email protected]>
5  *
6  * Ported to new API by Paul Mundt <[email protected]>
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 }