bulverde_uart.h

xScale PXA270的串口程序

//
// Copyright (c) Microsoft Corporation.  All rights reserved.
//
//
// Use of this source code is subject to the terms of the Microsoft end-user
// license agreement (EULA) under which you licensed this SOFTWARE PRODUCT.
// If you did not accept the terms of the EULA, you are not authorized to use
// this source code. For a copy of the EULA, please see the LICENSE.RTF on your
// install media.
//
//------------------------------------------------------------------------------
//
//  Header:  bulverde_uart.h
//
//  Defines the UART controller register layout associated types and constants.
//
#ifndef __BULVERDE_UART_H
#define __BULVERDE_UART_H

//#if __cplusplus
//extern "C" {
//#endif

#define UINT32   unsigned long 

#define FFUART     0
#define BTUART     1
#define STUART     3
//------------------------------------------------------------------------------
//
//  Type:  BULVERDE_UART_REG    
//
//  UART control registers.
//
typedef struct {
    UINT32    thr_rbr_dll;    // DLAB = 0  WO  8bit - Transmit Holding Register (THR).
                              // DLAB = 0  RO  8bit - Receive Buffer Register (RBR).
                              // DLAB = 1  RW  8bit - Divisor Latch Low Register (DLL).
    UINT32    ier_dlh;        // DLAB = 0  RW  8bit - Interrupt Enable Register.
    UINT32    iir_fcr;        // DLAB = X  RO  8bit - Interrupt Identification Register.
    UINT32    lcr;            // DLAB = X  RW  8bit - Line Control Register.
    UINT32    mcr;            // DLAB = X  RW  8bit - Modem Control Regiser.
    UINT32    lsr;            // DLAB = X  RO  8bit - Line Status Register.
    UINT32    msr;            // DLAB = X  RO  8bit - Modem Status Register.
    UINT32    scr;            // DLAB = X  RW  8bit - Scratchpad Register.
    UINT32    irdasel;        // DLAB = X  RW  8bit - IrDA Select Register.
    UINT32    fior;           // DLAB = X  RO  FIFO Occupancy Register.
    UINT32    abr;            // DLAB = X  RW  Autobaud Control Register.
    UINT32    acr;            // DLAB = X Autobaud Count Register.

} BULVERDE_UART_REG, *PBULVERDE_UART_REG;


// FFUART
//
typedef BULVERDE_UART_REG BULVERDE_FFUART_REG;
typedef BULVERDE_UART_REG *PBULVERDE_FFUART_REG;

// BTUART
//
typedef BULVERDE_UART_REG BULVERDE_BTUART_REG;
typedef BULVERDE_UART_REG *PBULVERDE_BTUART_REG;

// STUART
//
typedef BULVERDE_UART_REG BULVERDE_STUART_REG;
typedef BULVERDE_UART_REG *PBULVERDE_STUART_REG;

//------------------------------------------------------------------------------

//#if __cplusplus
//    }
//#endif

#endif