1 /*
2 * arch/sh/drivers/pci/ops-titan.c
3 *
4 * Ported to new API by Paul Mundt <lethal@linux-sh.org>
5 *
6 * Modified from ops-snapgear.c written by David McCullough
7 * Highly leveraged from pci-bigsur.c, written by Dustin McIntire.
8 *
9 * May be copied or modified under the terms of the GNU General Public
10 * License. See linux/COPYING for more information.
11 *
12 * PCI initialization for the Titan boards
13 */
14 #include <linux/kernel.h>
15 #include <linux/types.h>
16 #include <linux/init.h>
17 #include <linux/pci.h>
18 #include <linux/io.h>
19 #include <mach/titan.h>
20 #include "pci-sh4.h"
21
22 static char titan_irq_tab[] __initdata = {
23 TITAN_IRQ_WAN,
24 TITAN_IRQ_LAN,
25 TITAN_IRQ_MPCIA,
26 TITAN_IRQ_MPCIB,
27 TITAN_IRQ_USB,
28 };
29
pcibios_map_platform_irq(struct pci_dev * pdev,u8 slot,u8 pin)30 int __init pcibios_map_platform_irq(struct pci_dev *pdev, u8 slot, u8 pin)
31 {
32 int irq = titan_irq_tab[slot];
33
34 printk("PCI: Mapping TITAN IRQ for slot %d, pin %c to irq %d\n",
35 slot, pin - 1 + 'A', irq);
36
37 return irq;
38 }
39