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/*
* 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;
}
void ioport_unmap(void __iomem *addr)
{
/* Nothing .. */
}
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;
}
void pci_iounmap(struct pci_dev *dev, void __iomem *addr)
{
/* Nothing .. */
}
EXPORT_SYMBOL(ioport_map);
EXPORT_SYMBOL(ioport_unmap);
EXPORT_SYMBOL(pci_iomap);
EXPORT_SYMBOL(pci_iounmap);
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