1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-only
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * arch/arch/mach-ixp4xx/gateway7001-pci.c
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * PCI setup routines for Gateway 7001
6*4882a593Smuzhiyun *
7*4882a593Smuzhiyun * Copyright (C) 2007 Imre Kaloz <kaloz@openwrt.org>
8*4882a593Smuzhiyun *
9*4882a593Smuzhiyun * based on coyote-pci.c:
10*4882a593Smuzhiyun * Copyright (C) 2002 Jungo Software Technologies.
11*4882a593Smuzhiyun * Copyright (C) 2003 MontaVista Softwrae, Inc.
12*4882a593Smuzhiyun *
13*4882a593Smuzhiyun * Maintainer: Imre Kaloz <kaloz@openwrt.org>
14*4882a593Smuzhiyun */
15*4882a593Smuzhiyun
16*4882a593Smuzhiyun #include <linux/kernel.h>
17*4882a593Smuzhiyun #include <linux/pci.h>
18*4882a593Smuzhiyun #include <linux/init.h>
19*4882a593Smuzhiyun #include <linux/irq.h>
20*4882a593Smuzhiyun
21*4882a593Smuzhiyun #include <asm/mach-types.h>
22*4882a593Smuzhiyun #include <mach/hardware.h>
23*4882a593Smuzhiyun
24*4882a593Smuzhiyun #include <asm/mach/pci.h>
25*4882a593Smuzhiyun
26*4882a593Smuzhiyun #include "irqs.h"
27*4882a593Smuzhiyun
gateway7001_pci_preinit(void)28*4882a593Smuzhiyun void __init gateway7001_pci_preinit(void)
29*4882a593Smuzhiyun {
30*4882a593Smuzhiyun irq_set_irq_type(IRQ_IXP4XX_GPIO10, IRQ_TYPE_LEVEL_LOW);
31*4882a593Smuzhiyun irq_set_irq_type(IRQ_IXP4XX_GPIO11, IRQ_TYPE_LEVEL_LOW);
32*4882a593Smuzhiyun
33*4882a593Smuzhiyun ixp4xx_pci_preinit();
34*4882a593Smuzhiyun }
35*4882a593Smuzhiyun
gateway7001_map_irq(const struct pci_dev * dev,u8 slot,u8 pin)36*4882a593Smuzhiyun static int __init gateway7001_map_irq(const struct pci_dev *dev, u8 slot,
37*4882a593Smuzhiyun u8 pin)
38*4882a593Smuzhiyun {
39*4882a593Smuzhiyun if (slot == 1)
40*4882a593Smuzhiyun return IRQ_IXP4XX_GPIO11;
41*4882a593Smuzhiyun else if (slot == 2)
42*4882a593Smuzhiyun return IRQ_IXP4XX_GPIO10;
43*4882a593Smuzhiyun else return -1;
44*4882a593Smuzhiyun }
45*4882a593Smuzhiyun
46*4882a593Smuzhiyun struct hw_pci gateway7001_pci __initdata = {
47*4882a593Smuzhiyun .nr_controllers = 1,
48*4882a593Smuzhiyun .ops = &ixp4xx_ops,
49*4882a593Smuzhiyun .preinit = gateway7001_pci_preinit,
50*4882a593Smuzhiyun .setup = ixp4xx_setup,
51*4882a593Smuzhiyun .map_irq = gateway7001_map_irq,
52*4882a593Smuzhiyun };
53*4882a593Smuzhiyun
gateway7001_pci_init(void)54*4882a593Smuzhiyun int __init gateway7001_pci_init(void)
55*4882a593Smuzhiyun {
56*4882a593Smuzhiyun if (machine_is_gateway7001())
57*4882a593Smuzhiyun pci_common_init(&gateway7001_pci);
58*4882a593Smuzhiyun return 0;
59*4882a593Smuzhiyun }
60*4882a593Smuzhiyun
61*4882a593Smuzhiyun subsys_initcall(gateway7001_pci_init);
62