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DMA 的代码
dma_ep93xx.c
/******************************************************************************
* arch/arm/mach-ep9312/dma_ep93xx.c
*
* Support functions for the ep93xx internal DMA channels.
* (see also Document
dma_ep93xx.h
/*****************************************************************************
*
* arch/arm/mach-ep93xx/dma_ep93xx.h
*
* DESCRIPTION: 93XX DMA controller API private defintions.
*
* Copyright
ip27-pci-dma.c
/*
* Dynamic DMA mapping support.
*
* On the Origin there is dynamic DMA address translation for all PCI DMA.
* However we don't use this facility yet but rely on the 2gb direct
* mapped DMA wind
ip32-pci-dma.c
/*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 2000
ppc4xx_dma.c
/*
* arch/ppc/kernel/ppc4xx_dma.c
*
* IBM PPC4xx DMA engine core library
*
* Copyright 2000-2003 MontaVista Software Inc.
*
* Cleaned by Matt Porter
*
* Original code by
ip27-pci-dma.c
/*
* Dynamic DMA mapping support.
*
* On the Origin there is dynamic DMA address translation for all PCI DMA.
* However we don't use this facility yet but rely on the 2gb direct
* mapped DMA wind
ip27-pci-dma.c
/*
* Dynamic DMA mapping support.
*
* On the Origin there is dynamic DMA address translation for all PCI DMA.
* However we don't use this facility yet but rely on the 2gb direct
* mapped DMA wind
ip32-pci-dma.c
/*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 2000