blob: 6c829df28dc75c46bdae4d06405fe9b749ad7565 [file] [log] [blame]
John Crispin57c8cb82012-05-11 18:47:30 +02001/*
2 * This program is free software; you can redistribute it and/or modify it
3 * under the terms of the GNU General Public License version 2 as published
4 * by the Free Software Foundation.
5 *
6 * Copyright (C) 2012 John Crispin <blogic@openwrt.org>
7 */
8
9#include <linux/of_irq.h>
10#include <linux/of_pci.h>
11
12int (*ltq_pci_plat_arch_init)(struct pci_dev *dev) = NULL;
13int (*ltq_pci_plat_dev_init)(struct pci_dev *dev) = NULL;
14
15int pcibios_plat_dev_init(struct pci_dev *dev)
16{
17 if (ltq_pci_plat_arch_init)
18 return ltq_pci_plat_arch_init(dev);
19
20 if (ltq_pci_plat_dev_init)
21 return ltq_pci_plat_dev_init(dev);
22
23 return 0;
24}
25
26int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
27{
28 struct of_irq dev_irq;
29 int irq;
30
31 if (of_irq_map_pci(dev, &dev_irq)) {
32 dev_err(&dev->dev, "trying to map irq for unknown slot:%d pin:%d\n",
33 slot, pin);
34 return 0;
35 }
36 irq = irq_create_of_mapping(dev_irq.controller, dev_irq.specifier,
37 dev_irq.size);
38 dev_info(&dev->dev, "SLOT:%d PIN:%d IRQ:%d\n", slot, pin, irq);
39 return irq;
40}