1/*
2 * arch/sh64/lib/iomap.c
3 *
4 * Generic sh64 iomap interface
5 *
6 * Copyright (C) 2004  Paul Mundt
7 *
8 * This file is subject to the terms and conditions of the GNU General Public
9 * License.  See the file "COPYING" in the main directory of this archive
10 * for more details.
11 */
12#include <linux/pci.h>
13#include <asm/io.h>
14
15void __iomem *__attribute__ ((weak))
16ioport_map(unsigned long port, unsigned int len)
17{
18	return (void __iomem *)port;
19}
20
21void ioport_unmap(void __iomem *addr)
22{
23	/* Nothing .. */
24}
25
26void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max)
27{
28	unsigned long start = pci_resource_start(dev, bar);
29	unsigned long len = pci_resource_len(dev, bar);
30	unsigned long flags = pci_resource_flags(dev, bar);
31
32	if (!len)
33		return NULL;
34	if (max && len > max)
35		len = max;
36	if (flags & IORESOURCE_IO)
37		return ioport_map(start + pciio_virt, len);
38	if (flags & IORESOURCE_MEM)
39		return (void __iomem *)start;
40
41	/* What? */
42	return NULL;
43}
44
45void pci_iounmap(struct pci_dev *dev, void __iomem *addr)
46{
47	/* Nothing .. */
48}
49
50EXPORT_SYMBOL(ioport_map);
51EXPORT_SYMBOL(ioport_unmap);
52EXPORT_SYMBOL(pci_iomap);
53EXPORT_SYMBOL(pci_iounmap);
54