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authorDavid Howells <dhowells@redhat.com>2006-01-08 01:01:22 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-01-08 20:13:37 -0800
commita2a88f88782e8815cafa22f2b9e22234b9a61d0a (patch)
treeb5f949e476fecf756adda75abf25b5e2a8357ce0 /arch/frv/mb93090-mb00/pci-iomap.c
parent00d76710c253341b1e84795923e59ccdb099628f (diff)
downloadlinux-a2a88f88782e8815cafa22f2b9e22234b9a61d0a.tar.gz
[PATCH] frv: add pci_iomap
Implement pci_iomap() for FRV. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/frv/mb93090-mb00/pci-iomap.c')
-rw-r--r--arch/frv/mb93090-mb00/pci-iomap.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/frv/mb93090-mb00/pci-iomap.c b/arch/frv/mb93090-mb00/pci-iomap.c
new file mode 100644
index 000000000000..068fa04bd527
--- /dev/null
+++ b/arch/frv/mb93090-mb00/pci-iomap.c
@@ -0,0 +1,29 @@
+/* pci-iomap.c: description
+ *
+ * Copyright (C) 2006 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@redhat.com)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+#include <linux/pci.h>
+#include <linux/module.h>
+
+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 ((flags & IORESOURCE_IO) || (flags & IORESOURCE_MEM))
+ return (void __iomem *) start;
+
+ return NULL;
+}
+
+EXPORT_SYMBOL(pci_iomap);