1/*
2 * linux/arch/arm/mach-footbridge/ebsa285-pci.c
3 *
4 * PCI bios-type initialisation for PCI machines
5 *
6 * Bits taken from various places.
7 */
8#include <linux/kernel.h>
9#include <linux/pci.h>
10#include <linux/init.h>
11
12#include <asm/irq.h>
13#include <asm/mach/pci.h>
14#include <asm/mach-types.h>
15
16static int irqmap_ebsa285[] __initdata = { IRQ_IN3, IRQ_IN1, IRQ_IN0, IRQ_PCI };
17
18static int __init ebsa285_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
19{
20	if (dev->vendor == PCI_VENDOR_ID_CONTAQ &&
21	    dev->device == PCI_DEVICE_ID_CONTAQ_82C693)
22		switch (PCI_FUNC(dev->devfn)) {
23		case 1:	return 14;
24		case 2:	return 15;
25		case 3:	return 12;
26		}
27
28	return irqmap_ebsa285[(slot + pin) & 3];
29}
30
31static struct hw_pci ebsa285_pci __initdata = {
32	.map_irq		= ebsa285_map_irq,
33	.nr_controllers		= 1,
34	.ops			= &dc21285_ops,
35	.setup			= dc21285_setup,
36	.preinit		= dc21285_preinit,
37	.postinit		= dc21285_postinit,
38};
39
40static int __init ebsa285_init_pci(void)
41{
42	if (machine_is_ebsa285())
43		pci_common_init(&ebsa285_pci);
44	return 0;
45}
46
47subsys_initcall(ebsa285_init_pci);
48