Subversion Repositories or1k_soc_on_altera_embedded_dev_kit

/*

 * Implement the sparc iomap interfaces

 */

#include <linux/pci.h>

#include <linux/module.h>

#include <asm/io.h>

/* Create a virtual mapping cookie for an IO port range */

void __iomem *ioport_map(unsigned long port, unsigned int nr)

{

        return (void __iomem *) (unsigned long) port;

}

void ioport_unmap(void __iomem *addr)

{

        /* Nothing to do */

}

EXPORT_SYMBOL(ioport_map);

EXPORT_SYMBOL(ioport_unmap);

/* Create a virtual mapping cookie for a PCI BAR (memory or IO) */

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

{

        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 || !start)

                return NULL;

        if (maxlen && len > maxlen)

                len = maxlen;

        if (flags & IORESOURCE_IO)

                return ioport_map(start, len);

        if (flags & IORESOURCE_MEM) {

                if (flags & IORESOURCE_CACHEABLE)

                        return ioremap(start, len);

                return ioremap_nocache(start, len);

        }

        /* What? */

        return NULL;

}

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

{

        /* nothing to do */

}

EXPORT_SYMBOL(pci_iomap);

EXPORT_SYMBOL(pci_iounmap);