1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * arch/arm/mach-ixp4xx/ixdpg425-pci.c
4 *
5 * PCI setup routines for Intel IXDPG425 Platform
6 *
7 * Copyright (C) 2004 MontaVista Softwrae, Inc.
8 *
9 * Maintainer: Deepak Saxena <dsaxena@plexity.net>
10 */
11
12#include <linux/kernel.h>
13#include <linux/pci.h>
14#include <linux/init.h>
15#include <linux/irq.h>
16
17#include <asm/mach-types.h>
18#include <mach/hardware.h>
19
20#include <asm/mach/pci.h>
21
22#include "irqs.h"
23
24void __init ixdpg425_pci_preinit(void)
25{
26	irq_set_irq_type(IRQ_IXP4XX_GPIO6, IRQ_TYPE_LEVEL_LOW);
27	irq_set_irq_type(IRQ_IXP4XX_GPIO7, IRQ_TYPE_LEVEL_LOW);
28
29	ixp4xx_pci_preinit();
30}
31
32static int __init ixdpg425_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
33{
34	if (slot == 12 || slot == 13)
35		return IRQ_IXP4XX_GPIO7;
36	else if (slot == 14)
37		return IRQ_IXP4XX_GPIO6;
38	else return -1;
39}
40
41struct hw_pci ixdpg425_pci __initdata = {
42	.nr_controllers = 1,
43	.ops		= &ixp4xx_ops,
44	.preinit =        ixdpg425_pci_preinit,
45	.setup =          ixp4xx_setup,
46	.map_irq =        ixdpg425_map_irq,
47};
48
49int __init ixdpg425_pci_init(void)
50{
51	if (machine_is_ixdpg425())
52		pci_common_init(&ixdpg425_pci);
53	return 0;
54}
55
56subsys_initcall(ixdpg425_pci_init);
57