rt-thread/bsp/smartfusion2/libraries/mss_uart/mss_uart_regs.h

/*******************************************************************************
 * (c) Copyright 2011-2013 Microsemi SoC Products Group.  All rights reserved.
 * 
 * Register bit offsets and masks defintions for SmartFusion2 MSS MMUART.
 * 
 * SVN $Revision: 5610 $
 * SVN $Date: 2013-04-05 18:49:30 +0530 (Fri, 05 Apr 2013) $
 */
#ifndef MSS_UART_REGS_H_
#define MSS_UART_REGS_H_

#ifdef __cplusplus
extern "C" {
#endif

/*******************************************************************************
 Register Bit definitions
 */

/* Line Control register bit definitions */
#define SB                  6u      /* Set break */
#define DLAB                7u      /* Divisor latch access bit */

/* FIFO Control register bit definitions */
#define RXRDY_TXRDYN_EN     0u      /* Enable TXRDY and RXRDY signals */
#define CLEAR_RX_FIFO       1u      /* Clear receiver FIFO */
#define CLEAR_TX_FIFO       2u      /* Clear transimtter FIFO */
#define RDYMODE             3u      /* Mode 0 or Mode 1 for TXRDY and RXRDY */

/* Modem Control register bit definitions */
#define LOOP                4u      /* Local loopback */
#define RLOOP               5u      /* Remote loopback */
#define ECHO                6u      /* Automatic echo */
#define RLOOP_MASK          0x6u    /* Remote loopback & Automatic echo*/

/* Line Status register bit definitions   */
#define DR                  0u      /* Data ready */
#define THRE                5u      /* Transmitter holding register empty */
#define TEMT                6u      /* Transitter empty */

/* Interrupt Enable register bit definitions */
#define ERBFI               0u      /* Enable receiver buffer full interrupt */
#define ETBEI               1u      /* Enable transmitter buffer empty interrupt */
#define ELSI                2u      /* Enable line status interrupt */
#define EDSSI               3u      /* Enable modem status interrupt */

/* Multimode register 0 bit definitions */
#define ELIN                3u      /* Enable LIN header detection */
#define ETTG                5u      /* Enable transmitter time guard */
#define ERTO                6u      /* Enable receiver time-out */
#define EFBR                7u      /* Enable fractional baud rate mode */

/* Multimode register 1 bit definitions */
#define E_MSB_RX            0u      /* MSB / LSB first for receiver */
#define E_MSB_TX            1u      /* MSB / LSB first for transmitter */
#define EIRD                2u      /* Enable IrDA modem */
#define EIRX                3u      /* Input polarity for IrDA modem */
#define EITX                4u      /* Output polarity for IrDA modem */
#define EITP                5u      /* Output pulse width for IrDA modem */      

/* Multimode register 2 bit definitions */
#define EERR                0u      /* Enable ERR / NACK during stop time */
#define EAFM                1u      /* Enable 9-bit address flag mode */
#define EAFC                2u      /* Enable address flag clear */
#define ESWM                3u      /* Enable single wire half-duplex mode */

/* Multimode Interrupt Enable register and
   Multimode Interrupt Identification register definitions */
#define ERTOI               0u      /* Enable receiver timeout interrupt */
#define ENACKI              1u      /* Enable NACK / ERR interrupt */
#define EPID_PEI            2u      /* Enable PID parity error interrupt */
#define ELINBI              3u      /* Enable LIN break interrupt */
#define ELINSI              4u      /* Enable LIN sync detection interrupt */


#ifdef __cplusplus                       
}
#endif

#endif /* MSS_UART_REGS_H_ */