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-rw-r--r--arch/sh64/lib/iomap.c55
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);
+