1/*
 2 * Implement the sparc iomap interfaces
 3 */
 4#include <linux/pci.h>
 5#include <linux/module.h>
 6#include <asm/io.h>
 7
 8/* Create a virtual mapping cookie for an IO port range */
 9void __iomem *ioport_map(unsigned long port, unsigned int nr)
10{
11	return (void __iomem *) (unsigned long) port;
12}
13
14void ioport_unmap(void __iomem *addr)
15{
16	/* Nothing to do */
17}
18EXPORT_SYMBOL(ioport_map);
19EXPORT_SYMBOL(ioport_unmap);
20
21/* Create a virtual mapping cookie for a PCI BAR (memory or IO) */
22void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long maxlen)
23{
24	resource_size_t start = pci_resource_start(dev, bar);
25	resource_size_t len = pci_resource_len(dev, bar);
26	unsigned long flags = pci_resource_flags(dev, bar);
27
28	if (!len || !start)
29		return NULL;
30	if (maxlen && len > maxlen)
31		len = maxlen;
32	if (flags & IORESOURCE_IO)
33		return ioport_map(start, len);
34	if (flags & IORESOURCE_MEM) {
35		if (flags & IORESOURCE_CACHEABLE)
36			return ioremap(start, len);
37		return ioremap_nocache(start, len);
38	}
39	/* What? */
40	return NULL;
41}
42
43void pci_iounmap(struct pci_dev *dev, void __iomem * addr)
44{
45	/* nothing to do */
46}
47EXPORT_SYMBOL(pci_iomap);
48EXPORT_SYMBOL(pci_iounmap);

 1/*
 2 * Implement the sparc iomap interfaces
 3 */
 4#include <linux/pci.h>
 5#include <linux/module.h>
 6#include <asm/io.h>
 7
 8/* Create a virtual mapping cookie for an IO port range */
 9void __iomem *ioport_map(unsigned long port, unsigned int nr)
10{
11	return (void __iomem *) (unsigned long) port;
12}
13
14void ioport_unmap(void __iomem *addr)
15{
16	/* Nothing to do */
17}
18EXPORT_SYMBOL(ioport_map);
19EXPORT_SYMBOL(ioport_unmap);
20
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
21void pci_iounmap(struct pci_dev *dev, void __iomem * addr)
22{
23	/* nothing to do */
24}
 
25EXPORT_SYMBOL(pci_iounmap);