1/*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License.  See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * Copyright (C) 2000, 2001, 04 Keith M Wesolowski
7 */
8#include <linux/init.h>
9#include <linux/kernel.h>
10#include <linux/pci.h>
11#include <linux/types.h>
12
13#include <asm/lasat/lasat.h>
14
15#include <irq.h>
16
17extern struct pci_ops nile4_pci_ops;
18extern struct pci_ops gt64xxx_pci0_ops;
19static struct resource lasat_pci_mem_resource = {
20	.name	= "LASAT PCI MEM",
21	.start	= 0x18000000,
22	.end	= 0x19ffffff,
23	.flags	= IORESOURCE_MEM,
24};
25
26static struct resource lasat_pci_io_resource = {
27	.name	= "LASAT PCI IO",
28	.start	= 0x1a000000,
29	.end	= 0x1bffffff,
30	.flags	= IORESOURCE_IO,
31};
32
33static struct pci_controller lasat_pci_controller = {
34	.mem_resource	= &lasat_pci_mem_resource,
35	.io_resource	= &lasat_pci_io_resource,
36};
37
38static int __init lasat_pci_setup(void)
39{
40	printk(KERN_DEBUG "PCI: starting\n");
41
42	if (IS_LASAT_200())
43		lasat_pci_controller.pci_ops = &nile4_pci_ops;
44	else
45		lasat_pci_controller.pci_ops = &gt64xxx_pci0_ops;
46
47	register_pci_controller(&lasat_pci_controller);
48
49	return 0;
50}
51
52arch_initcall(lasat_pci_setup);
53
54#define LASAT_IRQ_ETH1   (LASAT_IRQ_BASE + 0)
55#define LASAT_IRQ_ETH0   (LASAT_IRQ_BASE + 1)
56#define LASAT_IRQ_HDC    (LASAT_IRQ_BASE + 2)
57#define LASAT_IRQ_COMP   (LASAT_IRQ_BASE + 3)
58#define LASAT_IRQ_HDLC   (LASAT_IRQ_BASE + 4)
59#define LASAT_IRQ_PCIA   (LASAT_IRQ_BASE + 5)
60#define LASAT_IRQ_PCIB   (LASAT_IRQ_BASE + 6)
61#define LASAT_IRQ_PCIC   (LASAT_IRQ_BASE + 7)
62#define LASAT_IRQ_PCID   (LASAT_IRQ_BASE + 8)
63
64int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
65{
66	switch (slot) {
67	case 1:
68	case 2:
69	case 3:
70		return LASAT_IRQ_PCIA + (((slot-1) + (pin-1)) % 4);
71	case 4:
72		return LASAT_IRQ_ETH1;   /* Ethernet 1 (LAN 2) */
73	case 5:
74		return LASAT_IRQ_ETH0;   /* Ethernet 0 (LAN 1) */
75	case 6:
76		return LASAT_IRQ_HDC;    /* IDE controller */
77	default:
78		return 0xff;            /* Illegal */
79	}
80
81	return -1;
82}
83
84/* Do platform specific device initialization at pci_enable_device() time */
85int pcibios_plat_dev_init(struct pci_dev *dev)
86{
87	return 0;
88}
89