1/*
2 * include/linux/atmel_pdc.h
3 *
4 * Copyright (C) 2005 Ivan Kokshaysky
5 * Copyright (C) SAN People
6 *
7 * Peripheral Data Controller (PDC) registers.
8 * Based on AT91RM9200 datasheet revision E.
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 */
15
16#ifndef ATMEL_PDC_H
17#define ATMEL_PDC_H
18
19#define ATMEL_PDC_RPR 0x100 /* Receive Pointer Register */
20#define ATMEL_PDC_RCR 0x104 /* Receive Counter Register */
21#define ATMEL_PDC_TPR 0x108 /* Transmit Pointer Register */
22#define ATMEL_PDC_TCR 0x10c /* Transmit Counter Register */
23#define ATMEL_PDC_RNPR 0x110 /* Receive Next Pointer Register */
24#define ATMEL_PDC_RNCR 0x114 /* Receive Next Counter Register */
25#define ATMEL_PDC_TNPR 0x118 /* Transmit Next Pointer Register */
26#define ATMEL_PDC_TNCR 0x11c /* Transmit Next Counter Register */
27
28#define ATMEL_PDC_PTCR 0x120 /* Transfer Control Register */
29#define ATMEL_PDC_RXTEN (1 << 0) /* Receiver Transfer Enable */
30#define ATMEL_PDC_RXTDIS (1 << 1) /* Receiver Transfer Disable */
31#define ATMEL_PDC_TXTEN (1 << 8) /* Transmitter Transfer Enable */
32#define ATMEL_PDC_TXTDIS (1 << 9) /* Transmitter Transfer Disable */
33
34#define ATMEL_PDC_PTSR 0x124 /* Transfer Status Register */
35
36#define ATMEL_PDC_SCND_BUF_OFF 0x10 /* Offset between first and second buffer registers */
37
38#endif
39