/* * Implement the sparc64 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);