xref: /openbmc/linux/arch/sh/drivers/pci/fixups-titan.c (revision 293d5b43)
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 
30 int __init pcibios_map_platform_irq(const 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