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/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * include/linux/atmel_pdc.h * * Copyright (C) 2005 Ivan Kokshaysky * Copyright (C) SAN People * * Peripheral Data Controller (PDC) registers. * Based on AT91RM9200 datasheet revision E. */ #ifndef ATMEL_PDC_H #define ATMEL_PDC_H #define ATMEL_PDC_RPR 0x100 /* Receive Pointer Register */ #define ATMEL_PDC_RCR 0x104 /* Receive Counter Register */ #define ATMEL_PDC_TPR 0x108 /* Transmit Pointer Register */ #define ATMEL_PDC_TCR 0x10c /* Transmit Counter Register */ #define ATMEL_PDC_RNPR 0x110 /* Receive Next Pointer Register */ #define ATMEL_PDC_RNCR 0x114 /* Receive Next Counter Register */ #define ATMEL_PDC_TNPR 0x118 /* Transmit Next Pointer Register */ #define ATMEL_PDC_TNCR 0x11c /* Transmit Next Counter Register */ #define ATMEL_PDC_PTCR 0x120 /* Transfer Control Register */ #define ATMEL_PDC_RXTEN (1 << 0) /* Receiver Transfer Enable */ #define ATMEL_PDC_RXTDIS (1 << 1) /* Receiver Transfer Disable */ #define ATMEL_PDC_TXTEN (1 << 8) /* Transmitter Transfer Enable */ #define ATMEL_PDC_TXTDIS (1 << 9) /* Transmitter Transfer Disable */ #define ATMEL_PDC_PTSR 0x124 /* Transfer Status Register */ #define ATMEL_PDC_SCND_BUF_OFF 0x10 /* Offset between first and second buffer registers */ #endif