1/*
 2 * arch/arm/mach-ixp4xx/coyote-pci.c
 3 *
 4 * PCI setup routines for ADI Engineering Coyote platform
 5 *
 6 * Copyright (C) 2002 Jungo Software Technologies.
 7 * Copyright (C) 2003 MontaVista Softwrae, Inc.
 8 *
 9 * Maintainer: Deepak Saxena <dsaxena@mvista.com>
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License version 2 as
13 * published by the Free Software Foundation.
14 *
15 */
16
17#include <linux/kernel.h>
18#include <linux/pci.h>
19#include <linux/init.h>
20#include <linux/irq.h>
21#include <asm/mach-types.h>
22#include <mach/hardware.h>
23#include <asm/irq.h>
24#include <asm/mach/pci.h>
 
 
25
26#define SLOT0_DEVID	14
27#define SLOT1_DEVID	15
28
29/* PCI controller GPIO to IRQ pin mappings */
30#define SLOT0_INTA	6
31#define SLOT1_INTA	11
32
33void __init coyote_pci_preinit(void)
34{
35	irq_set_irq_type(IXP4XX_GPIO_IRQ(SLOT0_INTA), IRQ_TYPE_LEVEL_LOW);
36	irq_set_irq_type(IXP4XX_GPIO_IRQ(SLOT1_INTA), IRQ_TYPE_LEVEL_LOW);
37	ixp4xx_pci_preinit();
38}
39
40static int __init coyote_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
41{
42	if (slot == SLOT0_DEVID)
43		return IXP4XX_GPIO_IRQ(SLOT0_INTA);
44	else if (slot == SLOT1_DEVID)
45		return IXP4XX_GPIO_IRQ(SLOT1_INTA);
46	else return -1;
47}
48
49struct hw_pci coyote_pci __initdata = {
50	.nr_controllers = 1,
51	.ops		= &ixp4xx_ops,
52	.preinit =        coyote_pci_preinit,
53	.setup =          ixp4xx_setup,
54	.map_irq =        coyote_map_irq,
55};
56
57int __init coyote_pci_init(void)
58{
59	if (machine_is_adi_coyote())
60		pci_common_init(&coyote_pci);
61	return 0;
62}
63
64subsys_initcall(coyote_pci_init);

 1// SPDX-License-Identifier: GPL-2.0-only
 2/*
 3 * arch/arm/mach-ixp4xx/coyote-pci.c
 4 *
 5 * PCI setup routines for ADI Engineering Coyote platform
 6 *
 7 * Copyright (C) 2002 Jungo Software Technologies.
 8 * Copyright (C) 2003 MontaVista Softwrae, Inc.
 9 *
10 * Maintainer: Deepak Saxena <dsaxena@mvista.com>
 
 
 
 
 
11 */
12
13#include <linux/kernel.h>
14#include <linux/pci.h>
15#include <linux/init.h>
16#include <linux/irq.h>
17#include <asm/mach-types.h>
18#include <mach/hardware.h>
19#include <asm/irq.h>
20#include <asm/mach/pci.h>
21
22#include "irqs.h"
23
24#define SLOT0_DEVID	14
25#define SLOT1_DEVID	15
26
27/* PCI controller GPIO to IRQ pin mappings */
28#define SLOT0_INTA	6
29#define SLOT1_INTA	11
30
31void __init coyote_pci_preinit(void)
32{
33	irq_set_irq_type(IXP4XX_GPIO_IRQ(SLOT0_INTA), IRQ_TYPE_LEVEL_LOW);
34	irq_set_irq_type(IXP4XX_GPIO_IRQ(SLOT1_INTA), IRQ_TYPE_LEVEL_LOW);
35	ixp4xx_pci_preinit();
36}
37
38static int __init coyote_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
39{
40	if (slot == SLOT0_DEVID)
41		return IXP4XX_GPIO_IRQ(SLOT0_INTA);
42	else if (slot == SLOT1_DEVID)
43		return IXP4XX_GPIO_IRQ(SLOT1_INTA);
44	else return -1;
45}
46
47struct hw_pci coyote_pci __initdata = {
48	.nr_controllers = 1,
49	.ops		= &ixp4xx_ops,
50	.preinit =        coyote_pci_preinit,
51	.setup =          ixp4xx_setup,
52	.map_irq =        coyote_map_irq,
53};
54
55int __init coyote_pci_init(void)
56{
57	if (machine_is_adi_coyote())
58		pci_common_init(&coyote_pci);
59	return 0;
60}
61
62subsys_initcall(coyote_pci_init);