summaryrefslogtreecommitdiffstats
path: root/sys/arm/at91/at91_spireg.h
blob: f21252510bbfd13ac1976ab2e7879878e0b5b4b0 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
/*-
 * Copyright (c) 2006 M. Warner Losh.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/* $FreeBSD$ */

#ifndef ARM_AT91_AT91_SPIREG_H
#define ARM_AT91_AT91_SPIREG_H

#define SPI_CR		0x00		/* CR: Control Register */
#define	  SPI_CR_SPIEN		0x1
#define	  SPI_CR_SPIDIS		0x2
#define	  SPI_CR_SWRST		0x8
#define SPI_MR		0x04		/* MR: Mode Register */
#define	  SPI_MR_MSTR		0x01
#define	  SPI_MR_PS		0x02
#define   SPI_MR_PCSDEC		0x04
#define   SPI_MR_DIV32		0x08
#define	  SPI_MR_MODFDIS	0x10
#define   SPI_MR_LLB		0x80
#define   SPI_MR_PSC_CS0	0xe0000
#define   SPI_MR_PSC_CS1	0xd0000
#define	  SPI_MR_PSC_CS2	0xb0000
#define	  SPI_MR_PSC_CS3	0x70000
#define SPI_RDR		0x08		/* RDR: Receive Data Register */
#define SPI_TDR		0x0c		/* TDR: Transmit Data Register */
#define SPI_SR		0x10		/* SR: Status Register */
#define	  SPI_SR_RDRF		0x00001
#define	  SPI_SR_TDRE		0x00002
#define	  SPI_SR_MODF		0x00004
#define	  SPI_SR_OVRES		0x00008
#define	  SPI_SR_ENDRX		0x00010
#define	  SPI_SR_ENDTX		0x00020
#define	  SPI_SR_RXBUFE		0x00040
#define	  SPI_SR_TXBUFE		0x00080
#define	  SPI_SR_SPIENS		0x10000
#define	SPI_IER		0x14		/* IER: Interrupt Enable Regsiter */
#define	SPI_IDR		0x18		/* IDR: Interrupt Disable Regsiter */
#define	SPI_IMR		0x1c		/* IMR: Interrupt Mask Regsiter */
#define SPI_CSR0	0x30		/* CS0: Chip Select 0 */
#define   SPI_CSR_CPOL		0x01
#define SPI_CSR1	0x34		/* CS1: Chip Select 1 */
#define SPI_CSR2	0x38		/* CS2: Chip Select 2 */
#define SPI_CSR3	0x3c		/* CS3: Chip Select 3 */

#endif /* ARM_AT91_AT91_SPIREG_H */
OpenPOWER on IntegriCloud