1 files changed, 55 insertions, 0 deletions

diff --git a/arch/sh64/lib/iomap.c b/arch/sh64/lib/iomap.c
new file mode 100644
index 000000000000..83c5f0c04958
--- /dev/null
+++ b/arch/sh64/lib/iomap.c
@@ -0,0 +1,55 @@
+/*
+ * arch/sh64/lib/iomap.c
+ *
+ * Generic sh64 iomap interface
+ *
+ * Copyright (C) 2004  Paul Mundt
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/config.h>
+#include <linux/pci.h>
+#include <asm/io.h>
+
+void __iomem *__attribute__ ((weak))
+ioport_map(unsigned long port, unsigned int len)
+{
+        return (void __iomem *)port;
+}
+
+void ioport_unmap(void __iomem *addr)
+{
+        /* Nothing .. */
+}
+
+void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max)
+{
+        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)
+                return NULL;
+        if (max && len > max)
+                len = max;
+        if (flags & IORESOURCE_IO)
+                return ioport_map(start + pciio_virt, len);
+        if (flags & IORESOURCE_MEM)
+                return (void __iomem *)start;
+
+        /* What? */
+        return NULL;
+}
+
+void pci_iounmap(struct pci_dev *dev, void __iomem *addr)
+{
+        /* Nothing .. */
+}
+
+EXPORT_SYMBOL(ioport_map);
+EXPORT_SYMBOL(ioport_unmap);
+EXPORT_SYMBOL(pci_iomap);
+EXPORT_SYMBOL(pci_iounmap);
+