/***********************************************************************/
/*                                                                     */
/*   MODULE:  bcmuart.h                                                */
/*   DATE:    02/15/02                                                 */
/*   PURPOSE: Definitions for UART block                               */
/*                                                                     */
/***********************************************************************/
#ifndef _BCMUART_H
#define _BCMUART_H

#include "bcmmips.h"
#include "boardcfg.h"
#include "bchp_common.h"
#include "bchp_uarta.h"
#include "bchp_uartb.h"

#if !defined _ASMLANGUAGE
#if __cplusplus
extern "C" {
#endif
#endif

/* UART register base addresses */
#define UARTA_ADR_BASE   BCM_PHYS_TO_K1(BCHP_PHYSICAL_OFFSET+BCHP_UARTA_RBR)
#define UARTB_ADR_BASE   BCM_PHYS_TO_K1(BCHP_PHYSICAL_OFFSET+BCHP_UARTA_RBR)

#define UART_ADR_BASE	UARTA_ADR_BASE
#define console_out		_writeasm 

/* UART registers */
#define UART_RXSTAT     	0x00
#define UART_RXDATA     	0x04
#define UART_CONTROL    	0x0c
#define UART_BAUDHI     	0x10
#define UART_BAUDLO     	0x14
#define UART_TXSTAT     	0x18
#define UART_TXDATA     	0x1c

/* RXSTAT bit definitions */
#define PARERR				0x20
#define FRAMEERR			0x10
#define OVERRUNERR			0x08
#define RXDATARDY			0x04
#define RXINTEN				0x02
/* CONTROL bit definitions */
#define BITM8				0x10
#define	PAREN				0x08
#define	TXEN				0x04
#define	RXEN				0x02
#define	PODD				0x01
/* TXSTAT bit definitions */
#define	TXINTEN				0x04
#define	TXIDLE				0x02
#define	TXDREGEMT			0x01


#if !defined _ASMLANGUAGE

/**********************************************************************
  Uart Register Structure
 **********************************************************************/
typedef struct UartChannel {
  volatile unsigned long rxstat;
  volatile unsigned long rxdata;
  volatile unsigned long unused;
  volatile unsigned long control;
  volatile unsigned long baudh;
  /* When divide SysClk/2/(1+baudword) we should get 32*bit-rate
   */
  volatile unsigned long baudl;
  volatile unsigned long txstat;
  volatile unsigned long txdata;
} UartChannel;

#define UARTA ((volatile UartChannel *) UARTA_ADR_BASE)
#define UARTB ((volatile UartChannel *) UARTB_ADR_BASE)

#define UART  ((volatile UartChannel *)	UART_ADR_BASE)

#endif /* _ASMLANGUAGE */

/******************************************************************
 * Baud Rate Table
 * XTALFREQ / baud rate / 16
 ******************************************************************/
 #define XTALFREQ            			27000000


#if !defined _ASMLANGUAGE
#if __cplusplus
}
#endif
#endif

#endif  /* _BCMUART_H */