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//
//
//
 
#ifndef __SERIAL_H
#define __SERIAL_H
 
#define FCR_FIFO_EN     0x01		/* Fifo enable */
#define FCR_RXSR        0x02		/* Receiver soft reset */
#define FCR_TXSR        0x04		/* Transmitter soft reset */
 
#define MCR_DTR         0x01
#define MCR_RTS         0x02
#define MCR_DMA_EN      0x04
#define MCR_TX_DFR      0x08
 
#define LCR_WLS_MSK	0x03		/* character length select mask */
#define LCR_WLS_5	0x00		/* 5 bit character length */
#define LCR_WLS_6	0x01		/* 6 bit character length */
#define LCR_WLS_7	0x02		/* 7 bit character length */
#define LCR_WLS_8	0x03		/* 8 bit character length */
#define LCR_STB		0x04		/* Number of stop Bits, off = 1, on = 1.5 or 2) */
#define LCR_PEN		0x08		/* Parity eneble */
#define LCR_EPS		0x10		/* Even Parity Select */
#define LCR_STKP	0x20		/* Stick Parity */
#define LCR_SBRK	0x40		/* Set Break */
#define LCR_BKSE	0x80		/* Bank select enable */
 
#define LSR_DR		0x01		/* Data ready */
#define LSR_OE		0x02		/* Overrun */
#define LSR_PE		0x04		/* Parity error */
#define LSR_FE		0x08		/* Framing error */
#define LSR_BI		0x10		/* Break */
#define LSR_THRE	0x20		/* Xmit holding register empty */
#define LSR_TEMT	0x40		/* Xmitter empty */
#define LSR_ERR		0x80		/* Error */
 
/* useful defaults for LCR */
#define LCR_8N1		0x03
 
 
void init_serial( void );
void NS16550_putc( char c );
int puts( char *s);
 
 
#endif