1 /*
2  * arch/arch/mach-ixp4xx/gateway7001-pci.c
3  *
4  * PCI setup routines for Gateway 7001
5  *
6  * Copyright (C) 2007 Imre Kaloz <kaloz@openwrt.org>
7  *
8  * based on coyote-pci.c:
9  *	Copyright (C) 2002 Jungo Software Technologies.
10  *	Copyright (C) 2003 MontaVista Softwrae, Inc.
11  *
12  * Maintainer: Imre Kaloz <kaloz@openwrt.org>
13  *
14  * This program is free software; you can redistribute it and/or modify
15  * it under the terms of the GNU General Public License version 2 as
16  * published by the Free Software Foundation.
17  *
18  */
19 
20 #include <linux/kernel.h>
21 #include <linux/pci.h>
22 #include <linux/init.h>
23 #include <linux/irq.h>
24 
25 #include <asm/mach-types.h>
26 #include <mach/hardware.h>
27 
28 #include <asm/mach/pci.h>
29 
gateway7001_pci_preinit(void)30 void __init gateway7001_pci_preinit(void)
31 {
32 	irq_set_irq_type(IRQ_IXP4XX_GPIO10, IRQ_TYPE_LEVEL_LOW);
33 	irq_set_irq_type(IRQ_IXP4XX_GPIO11, IRQ_TYPE_LEVEL_LOW);
34 
35 	ixp4xx_pci_preinit();
36 }
37 
gateway7001_map_irq(const struct pci_dev * dev,u8 slot,u8 pin)38 static int __init gateway7001_map_irq(const struct pci_dev *dev, u8 slot,
39 	u8 pin)
40 {
41 	if (slot == 1)
42 		return IRQ_IXP4XX_GPIO11;
43 	else if (slot == 2)
44 		return IRQ_IXP4XX_GPIO10;
45 	else return -1;
46 }
47 
48 struct hw_pci gateway7001_pci __initdata = {
49 	.nr_controllers = 1,
50 	.ops		= &ixp4xx_ops,
51 	.preinit =        gateway7001_pci_preinit,
52 	.setup =          ixp4xx_setup,
53 	.map_irq =        gateway7001_map_irq,
54 };
55 
gateway7001_pci_init(void)56 int __init gateway7001_pci_init(void)
57 {
58 	if (machine_is_gateway7001())
59 		pci_common_init(&gateway7001_pci);
60 	return 0;
61 }
62 
63 subsys_initcall(gateway7001_pci_init);
64