1/* SPDX-License-Identifier: GPL-2.0-or-later */ 2/* 3 * include/linux/atmel_pdc.h 4 * 5 * Copyright (C) 2005 Ivan Kokshaysky 6 * Copyright (C) SAN People 7 * 8 * Peripheral Data Controller (PDC) registers. 9 * Based on AT91RM9200 datasheet revision E. 10 */ 11 12#ifndef ATMEL_PDC_H 13#define ATMEL_PDC_H 14 15#define ATMEL_PDC_RPR 0x100 /* Receive Pointer Register */ 16#define ATMEL_PDC_RCR 0x104 /* Receive Counter Register */ 17#define ATMEL_PDC_TPR 0x108 /* Transmit Pointer Register */ 18#define ATMEL_PDC_TCR 0x10c /* Transmit Counter Register */ 19#define ATMEL_PDC_RNPR 0x110 /* Receive Next Pointer Register */ 20#define ATMEL_PDC_RNCR 0x114 /* Receive Next Counter Register */ 21#define ATMEL_PDC_TNPR 0x118 /* Transmit Next Pointer Register */ 22#define ATMEL_PDC_TNCR 0x11c /* Transmit Next Counter Register */ 23 24#define ATMEL_PDC_PTCR 0x120 /* Transfer Control Register */ 25#define ATMEL_PDC_RXTEN (1 << 0) /* Receiver Transfer Enable */ 26#define ATMEL_PDC_RXTDIS (1 << 1) /* Receiver Transfer Disable */ 27#define ATMEL_PDC_TXTEN (1 << 8) /* Transmitter Transfer Enable */ 28#define ATMEL_PDC_TXTDIS (1 << 9) /* Transmitter Transfer Disable */ 29 30#define ATMEL_PDC_PTSR 0x124 /* Transfer Status Register */ 31 32#define ATMEL_PDC_SCND_BUF_OFF 0x10 /* Offset between first and second buffer registers */ 33 34#endif 35