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DMA 的代码
dma.h
/*
* (C) Copyright 2003
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* This file is based on code
* (C) Copyright Motorola, Inc., 2000
*
* MPC8220 dma header file
*/
#ifndef __MP
_dma.asm
;****************************************************************************
;*
;* SciTech OS Portability Manager Library
;*
;* =====================================================
dma.c
/******************************************************************************
* *
* **********
dma.h
/* $Id: dma.h,v 1.7 1992/12/14 00:29:34 root Exp root $
* linux/include/asm/dma.h: Defines for using and allocating dma channels.
* Written by Hennus Bergman, 1992.
* High DMA channel support & inf
dma.c
/* $Id: dma.c,v 1.5 1992/11/18 02:49:05 root Exp root $
* linux/kernel/dma.c: A DMA channel allocator. Inspired by linux/kernel/irq.c.
* Written by Hennus Bergman, 1992.
*/
#include
dma.h
/*
dma.h - necessary arm definition for skyeye debugger
Copyright (C) 2003-2007 Skyeye Develop Group
for help please send mail to
dma.h
/*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT
dma.h
/*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT
dma.h
#define MDMA_D0 8
#define MDMA_S0 9
#define MDMA_D1 10
#define MDMA_S1 11
#define START_ADDR 0x1
#define CONFIG 0x2
#define X_COUNT 0x4
dma.h
/*
* arch/arm/kernel/dma.h
*
* Copyright (C) 1998 Russell King
*
* This header file describes the interface between the generic DMA handler
* (dma.c) and the architecture-specific DMA backends (