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2874c5fd | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
93a3ddc2 AV |
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. | |
93a3ddc2 AV |
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 | ||
1ebbe3d3 LD |
32 | #define ATMEL_PDC_SCND_BUF_OFF 0x10 /* Offset between first and second buffer registers */ |
33 | ||
93a3ddc2 | 34 | #endif |