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/**
* @file
* @ingroup sparc_bsp
* @defgroup uart UART
* @ingroup uart
* @brief Driver interface for APBUART
*/
/*
* COPYRIGHT (c) 2007.
* Gaisler Research
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*
*/
#ifndef __APBUART_H__
#define __APBUART_H__
#include <ambapp.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef struct {
unsigned int hw_dovr;
unsigned int hw_parity;
unsigned int hw_frame;
unsigned int sw_dovr;
unsigned int rx_cnt;
unsigned int tx_cnt;
} apbuart_stats;
#define APBUART_START 0
#define APBUART_STOP 1
#define APBUART_SET_RXFIFO_LEN 2
#define APBUART_SET_TXFIFO_LEN 3
#define APBUART_SET_BAUDRATE 4
#define APBUART_SET_SCALER 5
#define APBUART_SET_BLOCKING 6
#define APBUART_SET_ASCII_MODE 7
#define APBUART_GET_STATS 16
#define APBUART_CLR_STATS 17
#define APBUART_BLK_RX 0x1
#define APBUART_BLK_TX 0x2
#define APBUART_BLK_FLUSH 0x4
#define APBUART_CTRL_RE 0x1
#define APBUART_CTRL_TE 0x2
#define APBUART_CTRL_RI 0x4
#define APBUART_CTRL_TI 0x8
#define APBUART_CTRL_PS 0x10
#define APBUART_CTRL_PE 0x20
#define APBUART_CTRL_FL 0x40
#define APBUART_CTRL_LB 0x80
#define APBUART_CTRL_EC 0x100
#define APBUART_CTRL_TF 0x200
#define APBUART_CTRL_RF 0x400
#define APBUART_STATUS_DR 0x1
#define APBUART_STATUS_TS 0x2
#define APBUART_STATUS_TE 0x4
#define APBUART_STATUS_BR 0x8
#define APBUART_STATUS_OV 0x10
#define APBUART_STATUS_PE 0x20
#define APBUART_STATUS_FE 0x40
#define APBUART_STATUS_TH 0x80
#define APBUART_STATUS_RH 0x100
#define APBUART_STATUS_TF 0x200
#define APBUART_STATUS_RF 0x400
/* Register APBUART driver
* bus = pointer to AMBA bus description used to search for APBUART(s).
* (&ambapp_plb for LEON3), (LEON2: see amba_scan)
*/
int apbuart_register (struct ambapp_bus *bus);
#ifdef __cplusplus
}
#endif
#endif /* __APBUART_H__ */
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