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