35 lines · c
1/* SPDX-License-Identifier: GPL-2.0-or-later */2/*3 * include/linux/atmel_pdc.h4 *5 * Copyright (C) 2005 Ivan Kokshaysky6 * Copyright (C) SAN People7 *8 * Peripheral Data Controller (PDC) registers.9 * Based on AT91RM9200 datasheet revision E.10 */11 12#ifndef ATMEL_PDC_H13#define ATMEL_PDC_H14 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#endif35