Subversion Repositories or1k_soc_on_altera_embedded_dev_kit

/*

 * arch/sh64/lib/iomap.c

 *

 * Generic sh64 iomap interface

 *

 * Copyright (C) 2004  Paul Mundt

 *

 * This file is subject to the terms and conditions of the GNU General Public

 * License.  See the file "COPYING" in the main directory of this archive

 * for more details.

 */

#include <linux/pci.h>

#include <asm/io.h>

void __iomem *__attribute__ ((weak))

ioport_map(unsigned long port, unsigned int len)

{

        return (void __iomem *)port;

}

EXPORT_SYMBOL(ioport_map);

void ioport_unmap(void __iomem *addr)

{

        /* Nothing .. */

}

EXPORT_SYMBOL(ioport_unmap);

#ifdef CONFIG_PCI

void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max)

{

        unsigned long start = pci_resource_start(dev, bar);

        unsigned long len = pci_resource_len(dev, bar);

        unsigned long flags = pci_resource_flags(dev, bar);

        if (!len)

                return NULL;

        if (max && len > max)

                len = max;

        if (flags & IORESOURCE_IO)

                return ioport_map(start + pciio_virt, len);

        if (flags & IORESOURCE_MEM)

                return (void __iomem *)start;

        /* What? */

        return NULL;

}

EXPORT_SYMBOL(pci_iomap);

void pci_iounmap(struct pci_dev *dev, void __iomem *addr)

{

        /* Nothing .. */

}

EXPORT_SYMBOL(pci_iounmap);

#endif