1/* MN10300 PCI definitions
2 *
3 * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
4 * Written by David Howells (dhowells@redhat.com)
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public Licence
8 * as published by the Free Software Foundation; either version
9 * 2 of the Licence, or (at your option) any later version.
10 */
11#ifndef _ASM_PCI_H
12#define _ASM_PCI_H
13
14#ifdef __KERNEL__
15#include <linux/mm.h>		/* for struct page */
16
17#if 0
18#define __pcbdebug(FMT, ADDR, ...) \
19	printk(KERN_DEBUG "PCIBRIDGE[%08x]: "FMT"\n", \
20	       (u32)(ADDR), ##__VA_ARGS__)
21
22#define __pcidebug(FMT, BUS, DEVFN, WHERE,...)		\
23do {							\
24	printk(KERN_DEBUG "PCI[%02x:%02x.%x + %02x]: "FMT"\n",	\
25	       (BUS)->number,					\
26	       PCI_SLOT(DEVFN),					\
27	       PCI_FUNC(DEVFN),					\
28	       (u32)(WHERE), ##__VA_ARGS__);			\
29} while (0)
30
31#else
32#define __pcbdebug(FMT, ADDR, ...)		do {} while (0)
33#define __pcidebug(FMT, BUS, DEVFN, WHERE, ...)	do {} while (0)
34#endif
35
36/* Can be used to override the logic in pci_scan_bus for skipping
37 * already-configured bus numbers - to be used for buggy BIOSes or
38 * architectures with incomplete PCI setup by the loader */
39
40#ifdef CONFIG_PCI
41#define pcibios_assign_all_busses()	1
42extern void unit_pci_init(void);
43#else
44#define pcibios_assign_all_busses()	0
45#endif
46
47#define PCIBIOS_MIN_IO		0xBE000004
48#define PCIBIOS_MIN_MEM		0xB8000000
49
50void pcibios_set_master(struct pci_dev *dev);
51
52/* Dynamic DMA mapping stuff.
53 * i386 has everything mapped statically.
54 */
55
56#include <linux/types.h>
57#include <linux/slab.h>
58#include <asm/scatterlist.h>
59#include <linux/string.h>
60#include <asm/io.h>
61
62struct pci_dev;
63
64/* The PCI address space does equal the physical memory
65 * address space.  The networking and block device layers use
66 * this boolean for bounce buffer decisions.
67 */
68#define PCI_DMA_BUS_IS_PHYS	(1)
69
70/* Return the index of the PCI controller for device. */
71static inline int pci_controller_num(struct pci_dev *dev)
72{
73	return 0;
74}
75
76#define HAVE_PCI_MMAP
77extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
78			       enum pci_mmap_state mmap_state,
79			       int write_combine);
80
81#endif /* __KERNEL__ */
82
83/* implement the pci_ DMA API in terms of the generic device dma_ one */
84#include <asm-generic/pci-dma-compat.h>
85
86static inline struct resource *
87pcibios_select_root(struct pci_dev *pdev, struct resource *res)
88{
89	struct resource *root = NULL;
90
91	if (res->flags & IORESOURCE_IO)
92		root = &ioport_resource;
93	if (res->flags & IORESOURCE_MEM)
94		root = &iomem_resource;
95
96	return root;
97}
98
99static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
100{
101	return channel ? 15 : 14;
102}
103
104#include <asm-generic/pci_iomap.h>
105
106#endif /* _ASM_PCI_H */
107