xref: /netbsd-src/sys/arch/arm/at91/at91pdcreg.h (revision cff5cadd859527110218634bcbc9333771c6fc1e)
1 /*	$NetBSD: at91pdcreg.h,v 1.3 2009/10/23 06:53:13 snj Exp $	*/
2 
3 /*
4  * Copyright (c) 2007 Embedtronics Oy.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY ICHIRO FUKUHARA ``AS IS'' AND ANY EXPRESS OR
17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19  * IN NO EVENT SHALL ICHIRO FUKUHARA OR THE VOICES IN HIS HEAD BE LIABLE FOR
20  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 
29 #ifndef _AT91PDCREG_H_
30 #define _AT91PDCREG_H_
31 
32 #define	PDC_RPR		0x00UL		/* Receive Pointer Register	*/
33 #define	PDC_RCR		0x04UL		/* Receive Counter Register	*/
34 #define	PDC_TPR		0x08UL		/* Transmit Pointer Register	*/
35 #define	PDC_TCR		0x0CUL		/* Transmit Counter Register	*/
36 #define	PDC_RNPR	0x10UL		/* Receive Next Pointer Reg	*/
37 #define	PDC_RNCR	0x14UL		/* Receive Next Counter Reg	*/
38 #define	PDC_TNPR	0x18UL		/* Transmit Next Ptt Register	*/
39 #define	PDC_TNCR	0x1CUL		/* Transmit Next Counter Reg	*/
40 #define	PDC_PTCR	0x20UL		/* PDC Transfer Ctl Reg	PDC_	*/
41 #define	PDC_PTSR	0x24UL		/* PDC Transfer Status Reg	*/
42 
43 /* Transfer Control Register bits: */
44 #define	PDC_PTCR_TXTDIS	0x200		/* disable transmitter		*/
45 #define	PDC_PTCR_TXTEN	0x100		/* enable transmitter		*/
46 #define	PDC_PTCR_RXTDIS	0x002		/* disable receiver		*/
47 #define	PDC_PTCR_RXTEN	0x001		/* enable receiver		*/
48 
49 /* Transfer Status Register bits: */
50 #define	PDC_PTSR_TXTEN	PDC_PTCR_TXTEN
51 #define	PDC_PTSR_RXTEN	PDC_PTCR_RXTEN
52 
53 #endif	// _AT91PDCREG_H_
54 
55