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) 2004 by Ralf Baechle (ralf@linux-mips.org)
7 */
8#include <linux/init.h>
9#include <linux/kernel.h>
10#include <linux/types.h>
11#include <linux/pci.h>
12#include <asm/titan_dep.h>
13
14extern struct pci_ops titan_pci_ops;
15
16static struct resource py_mem_resource = {
17	.start	= 0xe0000000UL,
18	.end	= 0xe3ffffffUL,
19	.name	= "Titan PCI MEM",
20	.flags	= IORESOURCE_MEM
21};
22
23/*
24 * PMON really reserves 16MB of I/O port space but that's stupid, nothing
25 * needs that much since allocations are limited to 256 bytes per device
26 * anyway.  So we just claim 64kB here.
27 */
28#define TITAN_IO_SIZE	0x0000ffffUL
29#define TITAN_IO_BASE	0xe8000000UL
30
31static struct resource py_io_resource = {
32	.start	= 0x00001000UL,
33	.end	= TITAN_IO_SIZE - 1,
34	.name	= "Titan IO MEM",
35	.flags	= IORESOURCE_IO,
36};
37
38static struct pci_controller py_controller = {
39	.pci_ops	= &titan_pci_ops,
40	.mem_resource	= &py_mem_resource,
41	.mem_offset	= 0x00000000UL,
42	.io_resource	= &py_io_resource,
43	.io_offset	= 0x00000000UL
44};
45
46static char ioremap_failed[] __initdata = "Could not ioremap I/O port range";
47
48static int __init pmc_yosemite_setup(void)
49{
50	unsigned long io_v_base;
51
52	io_v_base = (unsigned long) ioremap(TITAN_IO_BASE, TITAN_IO_SIZE);
53	if (!io_v_base)
54		panic(ioremap_failed);
55
56	set_io_port_base(io_v_base);
57	TITAN_WRITE(RM9000x2_OCD_LKM7, TITAN_READ(RM9000x2_OCD_LKM7) | 1);
58
59	ioport_resource.end = TITAN_IO_SIZE - 1;
60
61	register_pci_controller(&py_controller);
62
63	return 0;
64}
65
66arch_initcall(pmc_yosemite_setup);
67