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1a29ef8e97
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@19815 3c298f89-4303-0410-b956-a3cf2f4a3e73
80 lines
2.1 KiB
C
80 lines
2.1 KiB
C
/*
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* arch/ubicom32/mm/kmap.c
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* Ubicom32 architecture non-mmu ioremap and friends implementation.
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*
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* (C) Copyright 2009, Ubicom, Inc.
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* Copyright (C) 2000 Lineo, <davidm@snapgear.com>
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* Copyright (C) 2000-2002 David McCullough <davidm@snapgear.com>
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*
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* This file is part of the Ubicom32 Linux Kernel Port.
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*
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* The Ubicom32 Linux Kernel Port is free software: you can redistribute
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* it and/or modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation, either version 2 of the
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* License, or (at your option) any later version.
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*
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* The Ubicom32 Linux Kernel Port is distributed in the hope that it
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* will be useful, but WITHOUT ANY WARRANTY; without even the implied
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* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
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* the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with the Ubicom32 Linux Kernel Port. If not,
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* see <http://www.gnu.org/licenses/>.
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*
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* Ubicom32 implementation derived from (with many thanks):
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* arch/m68knommu
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* arch/blackfin
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* arch/parisc
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*/
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#include <linux/module.h>
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#include <linux/mm.h>
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#include <linux/kernel.h>
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#include <linux/string.h>
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#include <linux/types.h>
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#include <linux/slab.h>
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#include <linux/vmalloc.h>
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#include <asm/setup.h>
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#include <asm/segment.h>
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#include <asm/page.h>
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#include <asm/pgalloc.h>
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#include <asm/io.h>
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#include <asm/system.h>
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#undef DEBUG
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/*
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* Map some physical address range into the kernel address space.
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*/
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void *__ioremap(unsigned long physaddr, unsigned long size, int cacheflag)
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{
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return (void *)physaddr;
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}
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/*
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* Unmap a ioremap()ed region again.
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*/
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void iounmap(void *addr)
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{
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}
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/*
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* __iounmap unmaps nearly everything, so be careful
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* it doesn't free currently pointer/page tables anymore but it
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* wans't used anyway and might be added later.
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*/
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void __iounmap(void *addr, unsigned long size)
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{
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}
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/*
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* Set new cache mode for some kernel address space.
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* The caller must push data for that range itself, if such data may already
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* be in the cache.
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*/
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void kernel_set_cachemode(void *addr, unsigned long size, int cmode)
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{
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}
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