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/kernel.h>
9#include <linux/init.h>
10#include <linux/pci.h>
11#include <linux/types.h>
12#include <asm/bootinfo.h>
13
14extern struct pci_ops nile4_pci_ops;
15extern struct pci_ops gt64xxx_pci0_ops;
16static struct resource lasat_pci_mem_resource = {
17	.name	= "LASAT PCI MEM",
18	.start	= 0x18000000,
19	.end	= 0x19ffffff,
20	.flags	= IORESOURCE_MEM,
21};
22
23static struct resource lasat_pci_io_resource = {
24	.name	= "LASAT PCI IO",
25	.start	= 0x1a000000,
26	.end	= 0x1bffffff,
27	.flags	= IORESOURCE_IO,
28};
29
30static struct pci_controller lasat_pci_controller = {
31	.mem_resource	= &lasat_pci_mem_resource,
32	.io_resource	= &lasat_pci_io_resource,
33};
34
35static int __init lasat_pci_setup(void)
36{
37	printk("PCI: starting\n");
38
39	switch (mips_machtype) {
40	case MACH_LASAT_100:
41                lasat_pci_controller.pci_ops = &gt64xxx_pci0_ops;
42                break;
43	case MACH_LASAT_200:
44                lasat_pci_controller.pci_ops = &nile4_pci_ops;
45                break;
46	default:
47                panic("pcibios_init: mips_machtype incorrect");
48        }
49
50	register_pci_controller(&lasat_pci_controller);
51
52	return 0;
53}
54
55arch_initcall(lasat_pci_setup);
56
57#define LASATINT_ETH1   0
58#define LASATINT_ETH0   1
59#define LASATINT_HDC    2
60#define LASATINT_COMP   3
61#define LASATINT_HDLC   4
62#define LASATINT_PCIA   5
63#define LASATINT_PCIB   6
64#define LASATINT_PCIC   7
65#define LASATINT_PCID   8
66
67int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
68{
69	switch (slot) {
70	case 1:
71	case 2:
72	case 3:
73		return LASATINT_PCIA + (((slot-1) + (pin-1)) % 4);
74	case 4:
75		return LASATINT_ETH1;   /* Ethernet 1 (LAN 2) */
76	case 5:
77		return LASATINT_ETH0;   /* Ethernet 0 (LAN 1) */
78	case 6:
79		return LASATINT_HDC;    /* IDE controller */
80	default:
81		return 0xff;            /* Illegal */
82	}
83
84	return -1;
85}
86
87/* Do platform specific device initialization at pci_enable_device() time */
88int pcibios_plat_dev_init(struct pci_dev *dev)
89{
90	return 0;
91}
92