gdma.h_org.svn-base

Spearhead2000 的 USB驱动程序

///////////////////////////////////////////////////////////////////////////////
//                                                                         
//                  Copyright (c) 2000 STMicroelectronics                   
//                           All Rights Reserved                            
//                        
//                              PROJECT SPEARHEAD
//
///////////////////////////////////////////////////////////////////////////////
//*****************************************************************************
//**                                                                         **
//**  Copyright (c) 2000 ST Microelectronics                                 **
//**  All rights reserved                                                    **
//**                                                                         **
//**      Filename  :  dma.equ                                               **
//**      Author    :  Armando Visconti                                      **
//**      Revision  :  1.0                                                   **
//**                                                                         **
//**                                                                         **
//**                                                                         **
//*****************************************************************************

/*****************************************************************************/
/* This confidential and proprietary software may be used only as authorized */
/* by a licensing agreement from STMicroelectronics.                         */
/* In the event of publication, the following notice is applicable:          */
/*                                                                           */
/*                   (C) COPYRIGHT 2002 STMicroelectronics                   */
/*                Innovative Systems Design Group - Central R&D              */
/*                            ALL RIGHTS RESERVED                            */
/*                                                                           */
/* The entire notice above must be reproduced on all authorized copies.      */
/*                                                                           */
/* -- File:                  dma.h                                           */
/* -- Author:                Francesco Lertora  <[e-mail]>   */
/* -- Description:           Header of DMA Driver                            */
/*                                                                           */
/* -- Modification History: - 1.1 (04/11/2002)                               */
/*****************************************************************************/

// $Id: gdma.h,v 1.1.1.1 2004/06/03 10:44:46 visconti Exp $

// $Log: gdma.h,v $
// Revision 1.1.1.1  2004/06/03 10:44:46  visconti
//
//
// 
//  Revision: 1.2 Thu Nov 28 16:59:07 2002 lert
//  Remove the DMA_TEST_2 label....conflict...
// 
//  Revision: 1.1 Mon Nov  4 18:05:22 2002 lert
//  First Version

#define APB_DMABase             0x1200C000 /*base for gDMA1*/
/*#define APB_DMABase             0x1200D000 /base for gDMA2 */
/*****************************************************************************
 * Defines for DMA Controller						     *
 *****************************************************************************/


// DMA CTRL register values 

#define DMA_Enab      0x00000001U     // DMA Enable bit
#define DMA_FixSrc    0x0000	      // Source Address is fixed (FIFO)
#define DMA_IncSrc    0x00000002U     // Source Address is incrememnted after transfer
#define DMA_DecSrc    0x0004	      // Source Address is decrememnted after transfer
#define DMA_FixDst    0x0000	      // Destination Address is fixed (FIFO)
#define DMA_IncDst    0x00000008U     // Destination Address is incrememnted after transfer
#define DMA_DecDst    0x0010	      // Destination Address is decrememnted after transfer
#define DMA_SrcSzB    0x00000000U     // Source Data size (1 byte)
#define DMA_SrcSzH    0x00000020U     // Source Data size (1 Halword)
#define DMA_SrcSzW    0x00000040U     // Source Data size (1 Word)
#define DMA_SrcBst1   0x00000000U     // Source Data burst (1 beat)
#define DMA_SrcBst4   0x00000080U     // Source Data burst (4 beat)
#define DMA_SrcBst8   0x0100	      // Source Data burst (8 beat)
#define DMA_SrcBst16  0x0180	      // Source Data burst (16 beat)
#define DMA_DstSzB    0x00000000U     // Destination Data size (1 byte)
#define DMA_DstSzH    0x0200	      // Destination Data size (1 Halword)
#define DMA_DstSzW    0x0400	      // Destination Data size (1 Word)
#define DMA_Mem2Mem   0x00000800U     // Memory to Memory transfer request bit
#define DMA_Dir       0x00002000U     // Transfer Direction request bit

// DMA Mask/Clear/Status Registers values
#define DMA_S0Irq		0x0001   // DMA Stream 0 IRQ
#define DMA_S1Irq		0x0002   // DMA Stream 1 IRQ
#define DMA_S2Irq		0x0004   // DMA Stream 2 IRQ
#define DMA_S3Irq		0x0008   // DMA Stream 3 IRQ

#define DMA_CH0      0x00000000U     // DMA channel 0
#define DMA_CH1      0x00000001U     // DMA channel 1
#define DMA_CH2      0x00000002U     // DMA channel 2
#define DMA_CH3      0x00000003U     // DMA channel 3



typedef struct DMA_Control_Struct
{
  unsigned int DMASource_Lo_0;
  unsigned int DMASource_Hi_0;
  unsigned int DMADestLo_0;
  unsigned int DMADestHi_0;
  unsigned int DMAMax_0;
  unsigned int DMACtrl_0;
  unsigned int DMASoCurrLo_0;
  unsigned int DMASoCurrHi_0;
  unsigned int DMADeCurrLo_0;
  unsigned int DMADeCurrHi_0;
  unsigned int DMATCnt_0;

  unsigned char __fill_0[20];

  unsigned int DMASource_Lo_1;
  unsigned int DMASource_Hi_1;
  unsigned int DMADestLo_1;
  unsigned int DMADestHi_1;
  unsigned int DMAMax_1;
  unsigned int DMACtrl_1;
  unsigned int DMASoCurrLo_1;
  unsigned int DMASoCurrHi_1;
  unsigned int DMADeCurrLo_1;
  unsigned int DMADeCurrHi_1;
  unsigned int DMATCnt_1;

  unsigned char __fill_1[20];

  unsigned int DMASource_Lo_2;
  unsigned int DMASource_Hi_2;
  unsigned int DMADestLo_2;
  unsigned int DMADestHi_2;
  unsigned int DMAMax_2;
  unsigned int DMACtrl_2;
  unsigned int DMASoCurrLo_2;
  unsigned int DMASoCurrHi_2;
  unsigned int DMADeCurrLo_2;
  unsigned int DMADeCurrHi_2;
  unsigned int DMATCnt_2;

  unsigned char __fill_2[20];

  unsigned int DMASource_Lo_3;
  unsigned int DMASource_Hi_3;
  unsigned int DMADestLo_3;
  unsigned int DMADestHi_3;
  unsigned int DMAMax_3;
  unsigned int DMACtrl_3;
  unsigned int DMASoCurrLo_3;
  unsigned int DMASoCurrHi_3;
  unsigned int DMADeCurrLo_3;
  unsigned int DMADeCurrHi_3;
  unsigned int DMATCnt_3;

  unsigned char __fill_3[4];
  
  unsigned int DMAMask;
  unsigned int DMAClr;
  unsigned int DMAStatus;

} DMA_Control_Struct;

#define DMACtrl ((volatile struct DMA_Control_Struct*)(APB_DMABase))