blob: fd12d8a36dc560a3c84e4edbe0c3024a5ef4a67e [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
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
Ralf Baechled5341942011-06-10 15:30:21 +010018static int __init ebsa285_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
Linus Torvalds1da177e2005-04-16 15:20:36 -070019{
20 if (dev->vendor == PCI_VENDOR_ID_CONTAQ &&
21 dev->device == PCI_DEVICE_ID_CONTAQ_82C693)
22 switch (PCI_FUNC(dev->devfn)) {
Andrea Gelmini49b95e22010-05-23 21:55:44 +020023 case 1: return 14;
24 case 2: return 15;
25 case 3: return 12;
Linus Torvalds1da177e2005-04-16 15:20:36 -070026 }
27
28 return irqmap_ebsa285[(slot + pin) & 3];
29}
30
31static struct hw_pci ebsa285_pci __initdata = {
Linus Torvalds1da177e2005-04-16 15:20:36 -070032 .map_irq = ebsa285_map_irq,
33 .nr_controllers = 1,
Russell Kingc23bfc32012-03-10 12:49:16 +000034 .ops = &dc21285_ops,
Linus Torvalds1da177e2005-04-16 15:20:36 -070035 .setup = dc21285_setup,
Linus Torvalds1da177e2005-04-16 15:20:36 -070036 .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);