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[PATCH] frv: add pci_iomap

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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>
This commit is contained in:
David Howells 2006-01-08 01:01:22 -08:00 committed by Linus Torvalds
parent 00d76710c2
commit a2a88f8878
2 changed files with 30 additions and 1 deletions
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2
arch/frv/mb93090-mb00/Makefile
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@ -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

29
arch/frv/mb93090-mb00/pci-iomap.c Normal file
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@ -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);