1/*
2 * linux/include/asm-xtensa/pci.h
3 *
4 * This file is subject to the terms and conditions of the GNU General Public
5 * License.  See the file "COPYING" in the main directory of this archive
6 * for more details.
7 *
8 * Copyright (C) 2001 - 2005 Tensilica Inc.
9 */
10
11#ifndef _XTENSA_PCI_H
12#define _XTENSA_PCI_H
13
14/* Can be used to override the logic in pci_scan_bus for skipping
15 * already-configured bus numbers - to be used for buggy BIOSes
16 * or architectures with incomplete PCI setup by the loader
17 */
18
19#define pcibios_assign_all_busses()	0
20
21/* Assume some values. (We should revise them, if necessary) */
22
23#define PCIBIOS_MIN_IO		0x2000
24#define PCIBIOS_MIN_MEM		0x10000000
25
26/* Dynamic DMA mapping stuff.
27 * Xtensa has everything mapped statically like x86.
28 */
29
30#include <linux/types.h>
31#include <linux/slab.h>
32#include <linux/scatterlist.h>
33#include <linux/string.h>
34#include <asm/io.h>
35
36/* The PCI address space does equal the physical memory address space.
37 * The networking and block device layers use this boolean for bounce buffer
38 * decisions.
39 */
40
41/* Tell PCI code what kind of PCI resource mappings we support */
42#define HAVE_PCI_MMAP			1
43#define ARCH_GENERIC_PCI_MMAP_RESOURCE	1
44#define arch_can_pci_mmap_io()		1
45
46#endif	/* _XTENSA_PCI_H */
47