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@@ -0,0 +1,48 @@
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+/*
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+ * Implement the sparc iomap interfaces
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+ */
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+#include <linux/pci.h>
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+#include <linux/module.h>
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+#include <asm/io.h>
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+
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+/* Create a virtual mapping cookie for an IO port range */
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+void __iomem *ioport_map(unsigned long port, unsigned int nr)
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+{
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+ return (void __iomem *) (unsigned long) port;
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+}
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+
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+void ioport_unmap(void __iomem *addr)
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+{
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+ /* Nothing to do */
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+}
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+EXPORT_SYMBOL(ioport_map);
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+EXPORT_SYMBOL(ioport_unmap);
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+
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+/* Create a virtual mapping cookie for a PCI BAR (memory or IO) */
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+void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long maxlen)
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+{
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+ unsigned long start = pci_resource_start(dev, bar);
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+ unsigned long len = pci_resource_len(dev, bar);
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+ unsigned long flags = pci_resource_flags(dev, bar);
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+
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+ if (!len || !start)
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+ return NULL;
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+ if (maxlen && len > maxlen)
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+ len = maxlen;
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+ if (flags & IORESOURCE_IO)
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+ return ioport_map(start, len);
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+ if (flags & IORESOURCE_MEM) {
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+ if (flags & IORESOURCE_CACHEABLE)
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+ return ioremap(start, len);
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+ return ioremap_nocache(start, len);
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+ }
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+ /* What? */
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+ return NULL;
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+}
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+
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+void pci_iounmap(struct pci_dev *dev, void __iomem * addr)
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+{
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+ /* nothing to do */
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+}
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+EXPORT_SYMBOL(pci_iomap);
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+EXPORT_SYMBOL(pci_iounmap);
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