1// SPDX-License-Identifier: GPL-2.0-or-later
 2/*
 3 *  fixup-tb0287.c, The TANBAC TB0287 specific PCI fixups.
 4 *
 5 *  Copyright (C) 2005	Yoichi Yuasa <yuasa@linux-mips.org>
 6 */
 7#include <linux/init.h>
 8#include <linux/pci.h>
 9
10#include <asm/vr41xx/tb0287.h>
11
12int pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
13{
14	unsigned char bus;
15	int irq = -1;
16
17	bus = dev->bus->number;
18	if (bus == 0) {
19		switch (slot) {
20		case 16:
21			irq = TB0287_SM501_IRQ;
22			break;
23		case 17:
24			irq = TB0287_SIL680A_IRQ;
25			break;
26		default:
27			break;
28		}
29	} else if (bus == 1) {
30		switch (PCI_SLOT(dev->devfn)) {
31		case 0:
32			irq = TB0287_PCI_SLOT_IRQ;
33			break;
34		case 2:
35		case 3:
36			irq = TB0287_RTL8110_IRQ;
37			break;
38		default:
39			break;
40		}
41	} else if (bus > 1) {
42		irq = TB0287_PCI_SLOT_IRQ;
43	}
44
45	return irq;
46}
47
48/* Do platform specific device initialization at pci_enable_device() time */
49int pcibios_plat_dev_init(struct pci_dev *dev)
50{
51	return 0;
52}