diff options
Diffstat (limited to 'arch/mn10300/unit-asb2305')
| -rw-r--r-- | arch/mn10300/unit-asb2305/pci-iomap.c | 35 | ||||
| -rw-r--r-- | arch/mn10300/unit-asb2305/pci.c | 5 |
2 files changed, 37 insertions, 3 deletions
diff --git a/arch/mn10300/unit-asb2305/pci-iomap.c b/arch/mn10300/unit-asb2305/pci-iomap.c new file mode 100644 index 000000000000..bd65dae17f32 --- /dev/null +++ b/arch/mn10300/unit-asb2305/pci-iomap.c @@ -0,0 +1,35 @@ +/* ASB2305 PCI I/O mapping handler + * + * Copyright (C) 2007 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 Licence + * as published by the Free Software Foundation; either version + * 2 of the Licence, or (at your option) any later version. + */ +#include <linux/pci.h> +#include <linux/module.h> + +/* + * Create a virtual mapping cookie for a PCI BAR (memory or IO) + */ +void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long maxlen) +{ + resource_size_t start = pci_resource_start(dev, bar); + resource_size_t 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)) { + if (flags & IORESOURCE_CACHEABLE && !(flags & IORESOURCE_IO)) + return ioremap(start, len); + else + return ioremap_nocache(start, len); + } + + return NULL; +} +EXPORT_SYMBOL(pci_iomap); diff --git a/arch/mn10300/unit-asb2305/pci.c b/arch/mn10300/unit-asb2305/pci.c index 6dce9fc2cf3c..e2059486d3f8 100644 --- a/arch/mn10300/unit-asb2305/pci.c +++ b/arch/mn10300/unit-asb2305/pci.c @@ -17,6 +17,7 @@ #include <linux/init.h> #include <linux/ioport.h> #include <linux/delay.h> +#include <linux/irq.h> #include <asm/io.h> #include "pci-asb2305.h" @@ -303,9 +304,7 @@ static int __devinit is_valid_resource(struct pci_dev *dev, int idx) static void __devinit pcibios_fixup_device_resources(struct pci_dev *dev) { - struct pci_bus_region region; - int i; - int limit; + int limit, i; if (dev->bus->number != 0) return; |