2 * Implement the sparc iomap interfaces
5 #include <linux/module.h>
8 /* Create a virtual mapping cookie for an IO port range */
9 void __iomem *ioport_map(unsigned long port, unsigned int nr)
11 return (void __iomem *) (unsigned long) port;
14 void ioport_unmap(void __iomem *addr)
18 EXPORT_SYMBOL(ioport_map);
19 EXPORT_SYMBOL(ioport_unmap);
21 /* Create a virtual mapping cookie for a PCI BAR (memory or IO) */
22 void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long maxlen)
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);
30 if (maxlen && 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);
43 void pci_iounmap(struct pci_dev *dev, void __iomem * addr)
47 EXPORT_SYMBOL(pci_iomap);
48 EXPORT_SYMBOL(pci_iounmap);