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 
pcibios_map_irq(const struct pci_dev * dev,u8 slot,u8 pin)12 int 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 */
pcibios_plat_dev_init(struct pci_dev * dev)49 int pcibios_plat_dev_init(struct pci_dev *dev)
50 {
51 	return 0;
52 }
53