|  | /* | 
|  | * drivers/serial/atmel_serial.h | 
|  | * | 
|  | * Copyright (C) 2005 Ivan Kokshaysky | 
|  | * Copyright (C) SAN People | 
|  | * | 
|  | * USART registers. | 
|  | * Based on AT91RM9200 datasheet revision E. | 
|  | * | 
|  | * This program is free software; you can redistribute it and/or modify | 
|  | * it under the terms of the GNU General Public License as published by | 
|  | * the Free Software Foundation; either version 2 of the License, or | 
|  | * (at your option) any later version. | 
|  | */ | 
|  |  | 
|  | #ifndef ATMEL_SERIAL_H | 
|  | #define ATMEL_SERIAL_H | 
|  |  | 
|  | #define ATMEL_US_CR		0x00			/* Control Register */ | 
|  | #define		ATMEL_US_RSTRX		(1 <<  2)		/* Reset Receiver */ | 
|  | #define		ATMEL_US_RSTTX		(1 <<  3)		/* Reset Transmitter */ | 
|  | #define		ATMEL_US_RXEN		(1 <<  4)		/* Receiver Enable */ | 
|  | #define		ATMEL_US_RXDIS		(1 <<  5)		/* Receiver Disable */ | 
|  | #define		ATMEL_US_TXEN		(1 <<  6)		/* Transmitter Enable */ | 
|  | #define		ATMEL_US_TXDIS		(1 <<  7)		/* Transmitter Disable */ | 
|  | #define		ATMEL_US_RSTSTA		(1 <<  8)		/* Reset Status Bits */ | 
|  | #define		ATMEL_US_STTBRK		(1 <<  9)		/* Start Break */ | 
|  | #define		ATMEL_US_STPBRK		(1 << 10)		/* Stop Break */ | 
|  | #define		ATMEL_US_STTTO		(1 << 11)		/* Start Time-out */ | 
|  | #define		ATMEL_US_SENDA		(1 << 12)		/* Send Address */ | 
|  | #define		ATMEL_US_RSTIT		(1 << 13)		/* Reset Iterations */ | 
|  | #define		ATMEL_US_RSTNACK	(1 << 14)		/* Reset Non Acknowledge */ | 
|  | #define		ATMEL_US_RETTO		(1 << 15)		/* Rearm Time-out */ | 
|  | #define		ATMEL_US_DTREN		(1 << 16)		/* Data Terminal Ready Enable [AT91RM9200 only] */ | 
|  | #define		ATMEL_US_DTRDIS		(1 << 17)		/* Data Terminal Ready Disable [AT91RM9200 only] */ | 
|  | #define		ATMEL_US_RTSEN		(1 << 18)		/* Request To Send Enable */ | 
|  | #define		ATMEL_US_RTSDIS		(1 << 19)		/* Request To Send Disable */ | 
|  |  | 
|  | #define ATMEL_US_MR		0x04			/* Mode Register */ | 
|  | #define		ATMEL_US_USMODE		(0xf <<  0)		/* Mode of the USART */ | 
|  | #define			ATMEL_US_USMODE_NORMAL		0 | 
|  | #define			ATMEL_US_USMODE_RS485		1 | 
|  | #define			ATMEL_US_USMODE_HWHS		2 | 
|  | #define			ATMEL_US_USMODE_MODEM		3 | 
|  | #define			ATMEL_US_USMODE_ISO7816_T0	4 | 
|  | #define			ATMEL_US_USMODE_ISO7816_T1	6 | 
|  | #define			ATMEL_US_USMODE_IRDA		8 | 
|  | #define		ATMEL_US_USCLKS		(3   <<  4)		/* Clock Selection */ | 
|  | #define		ATMEL_US_CHRL		(3   <<  6)		/* Character Length */ | 
|  | #define			ATMEL_US_CHRL_5			(0 <<  6) | 
|  | #define			ATMEL_US_CHRL_6			(1 <<  6) | 
|  | #define			ATMEL_US_CHRL_7			(2 <<  6) | 
|  | #define			ATMEL_US_CHRL_8			(3 <<  6) | 
|  | #define		ATMEL_US_SYNC		(1 <<  8)		/* Synchronous Mode Select */ | 
|  | #define		ATMEL_US_PAR		(7 <<  9)		/* Parity Type */ | 
|  | #define			ATMEL_US_PAR_EVEN		(0 <<  9) | 
|  | #define			ATMEL_US_PAR_ODD		(1 <<  9) | 
|  | #define			ATMEL_US_PAR_SPACE		(2 <<  9) | 
|  | #define			ATMEL_US_PAR_MARK		(3 <<  9) | 
|  | #define			ATMEL_US_PAR_NONE		(4 <<  9) | 
|  | #define			ATMEL_US_PAR_MULTI_DROP		(6 <<  9) | 
|  | #define		ATMEL_US_NBSTOP		(3 << 12)		/* Number of Stop Bits */ | 
|  | #define			ATMEL_US_NBSTOP_1		(0 << 12) | 
|  | #define			ATMEL_US_NBSTOP_1_5		(1 << 12) | 
|  | #define			ATMEL_US_NBSTOP_2		(2 << 12) | 
|  | #define		ATMEL_US_CHMODE		(3 << 14)		/* Channel Mode */ | 
|  | #define			ATMEL_US_CHMODE_NORMAL		(0 << 14) | 
|  | #define			ATMEL_US_CHMODE_ECHO		(1 << 14) | 
|  | #define			ATMEL_US_CHMODE_LOC_LOOP	(2 << 14) | 
|  | #define			ATMEL_US_CHMODE_REM_LOOP	(3 << 14) | 
|  | #define		ATMEL_US_MSBF		(1 << 16)		/* Bit Order */ | 
|  | #define		ATMEL_US_MODE9		(1 << 17)		/* 9-bit Character Length */ | 
|  | #define		ATMEL_US_CLKO		(1 << 18)		/* Clock Output Select */ | 
|  | #define		ATMEL_US_OVER		(1 << 19)		/* Oversampling Mode */ | 
|  | #define		ATMEL_US_INACK		(1 << 20)		/* Inhibit Non Acknowledge */ | 
|  | #define		ATMEL_US_DSNACK		(1 << 21)		/* Disable Successive NACK */ | 
|  | #define		ATMEL_US_MAX_ITER	(7 << 24)		/* Max Iterations */ | 
|  | #define		ATMEL_US_FILTER		(1 << 28)		/* Infrared Receive Line Filter */ | 
|  |  | 
|  | #define ATMEL_US_IER		0x08			/* Interrupt Enable Register */ | 
|  | #define		ATMEL_US_RXRDY		(1 <<  0)		/* Receiver Ready */ | 
|  | #define		ATMEL_US_TXRDY		(1 <<  1)		/* Transmitter Ready */ | 
|  | #define		ATMEL_US_RXBRK		(1 <<  2)		/* Break Received / End of Break */ | 
|  | #define		ATMEL_US_ENDRX		(1 <<  3)		/* End of Receiver Transfer */ | 
|  | #define		ATMEL_US_ENDTX		(1 <<  4)		/* End of Transmitter Transfer */ | 
|  | #define		ATMEL_US_OVRE		(1 <<  5)		/* Overrun Error */ | 
|  | #define		ATMEL_US_FRAME		(1 <<  6)		/* Framing Error */ | 
|  | #define		ATMEL_US_PARE		(1 <<  7)		/* Parity Error */ | 
|  | #define		ATMEL_US_TIMEOUT	(1 <<  8)		/* Receiver Time-out */ | 
|  | #define		ATMEL_US_TXEMPTY	(1 <<  9)		/* Transmitter Empty */ | 
|  | #define		ATMEL_US_ITERATION	(1 << 10)		/* Max number of Repetitions Reached */ | 
|  | #define		ATMEL_US_TXBUFE		(1 << 11)		/* Transmission Buffer Empty */ | 
|  | #define		ATMEL_US_RXBUFF		(1 << 12)		/* Reception Buffer Full */ | 
|  | #define		ATMEL_US_NACK		(1 << 13)		/* Non Acknowledge */ | 
|  | #define		ATMEL_US_RIIC		(1 << 16)		/* Ring Indicator Input Change [AT91RM9200 only] */ | 
|  | #define		ATMEL_US_DSRIC		(1 << 17)		/* Data Set Ready Input Change [AT91RM9200 only] */ | 
|  | #define		ATMEL_US_DCDIC		(1 << 18)		/* Data Carrier Detect Input Change [AT91RM9200 only] */ | 
|  | #define		ATMEL_US_CTSIC		(1 << 19)		/* Clear to Send Input Change */ | 
|  | #define		ATMEL_US_RI		(1 << 20)		/* RI */ | 
|  | #define		ATMEL_US_DSR		(1 << 21)		/* DSR */ | 
|  | #define		ATMEL_US_DCD		(1 << 22)		/* DCD */ | 
|  | #define		ATMEL_US_CTS		(1 << 23)		/* CTS */ | 
|  |  | 
|  | #define ATMEL_US_IDR		0x0c			/* Interrupt Disable Register */ | 
|  | #define ATMEL_US_IMR		0x10			/* Interrupt Mask Register */ | 
|  | #define ATMEL_US_CSR		0x14			/* Channel Status Register */ | 
|  | #define ATMEL_US_RHR		0x18			/* Receiver Holding Register */ | 
|  | #define ATMEL_US_THR		0x1c			/* Transmitter Holding Register */ | 
|  | #define		ATMEL_US_SYNH		(1 << 15)		/* Transmit/Receive Sync [AT91SAM9261 only] */ | 
|  |  | 
|  | #define ATMEL_US_BRGR		0x20			/* Baud Rate Generator Register */ | 
|  | #define		ATMEL_US_CD		(0xffff << 0)		/* Clock Divider */ | 
|  |  | 
|  | #define ATMEL_US_RTOR		0x24			/* Receiver Time-out Register */ | 
|  | #define		ATMEL_US_TO		(0xffff << 0)		/* Time-out Value */ | 
|  |  | 
|  | #define ATMEL_US_TTGR		0x28			/* Transmitter Timeguard Register */ | 
|  | #define		ATMEL_US_TG		(0xff << 0)		/* Timeguard Value */ | 
|  |  | 
|  | #define ATMEL_US_FIDI		0x40			/* FI DI Ratio Register */ | 
|  | #define ATMEL_US_NER		0x44			/* Number of Errors Register */ | 
|  | #define ATMEL_US_IF		0x4c			/* IrDA Filter Register */ | 
|  |  | 
|  | #endif |