From f84825c7e6df08c45d96aa2626747ee97ed5b06b Mon Sep 17 00:00:00 2001 From: David Howells Date: Wed, 12 Dec 2012 15:36:39 +0000 Subject: [PATCH] --- yaml --- r: 340371 b: refs/heads/master c: 83c2dc15ce824450e7044b9f90cd529c25747ae0 h: refs/heads/master i: 340369: c97f216b5daff81e53a7cfcdc334e692810f9217 340367: 446ce475f947c978cafc58d6bd0cb725e2ead147 v: v3 --- [refs] | 2 +- trunk/arch/mn10300/include/asm/io.h | 2 +- trunk/arch/mn10300/unit-asb2305/pci-iomap.c | 35 +++++++++++++++++++++ 3 files changed, 37 insertions(+), 2 deletions(-) create mode 100644 trunk/arch/mn10300/unit-asb2305/pci-iomap.c diff --git a/[refs] b/[refs] index 1d72bdfd2593..7d742cfd1bb4 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: 0369c360e5825e34ff58c140aa7fbb9855ad1e4a +refs/heads/master: 83c2dc15ce824450e7044b9f90cd529c25747ae0 diff --git a/trunk/arch/mn10300/include/asm/io.h b/trunk/arch/mn10300/include/asm/io.h index 139df8c53de8..70f1c06e29de 100644 --- a/trunk/arch/mn10300/include/asm/io.h +++ b/trunk/arch/mn10300/include/asm/io.h @@ -258,7 +258,7 @@ static inline void __iomem *__ioremap(unsigned long offset, unsigned long size, static inline void __iomem *ioremap(unsigned long offset, unsigned long size) { - return (void __iomem *) offset; + return (void __iomem *)(offset & ~0x20000000); } /* diff --git a/trunk/arch/mn10300/unit-asb2305/pci-iomap.c b/trunk/arch/mn10300/unit-asb2305/pci-iomap.c new file mode 100644 index 000000000000..bd65dae17f32 --- /dev/null +++ b/trunk/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 +#include + +/* + * 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);