[PATCH 8/17] FRV: Add pci_iomap

[David Howells <dhowells@redhat.com>]

The attached patch implements pci_iomap() for FRV.

Signed-Off-By: David Howells <dhowells@redhat.com>
---
warthog>diffstat -p1 frv-pci-iomap-2615.diff
 arch/frv/mb93090-mb00/Makefile    |    2 +-
 arch/frv/mb93090-mb00/pci-iomap.c |   29 +++++++++++++++++++++++++++++
 2 files changed, 30 insertions(+), 1 deletion(-)

diff -uNrp /warthog/kernels/linux-2.6.15/arch/frv/mb93090-mb00/Makefile linux-2.6.15-frv/arch/frv/mb93090-mb00/Makefile
--- /warthog/kernels/linux-2.6.15/arch/frv/mb93090-mb00/Makefile	2005-03-02 12:07:44.000000000 +0000
+++ linux-2.6.15-frv/arch/frv/mb93090-mb00/Makefile	2006-01-06 14:43:43.000000000 +0000
@@ -3,7 +3,7 @@
 #
 
 ifeq "$(CONFIG_PCI)" "y"
-obj-y := pci-frv.o pci-irq.o pci-vdk.o
+obj-y := pci-frv.o pci-irq.o pci-vdk.o pci-iomap.o
 
 ifeq "$(CONFIG_MMU)" "y"
 obj-y += pci-dma.o
diff -uNrp /warthog/kernels/linux-2.6.15/arch/frv/mb93090-mb00/pci-iomap.c linux-2.6.15-frv/arch/frv/mb93090-mb00/pci-iomap.c
--- /warthog/kernels/linux-2.6.15/arch/frv/mb93090-mb00/pci-iomap.c	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.15-frv/arch/frv/mb93090-mb00/pci-iomap.c	2006-01-06 14:43:43.000000000 +0000
@@ -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);
-
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