xref: /netbsd-src/sys/arch/arm/broadcom/bcm2835_spireg.h (revision 74dad3229c544ed8d82c346346ce8523bed76c80)
1 /*	$NetBSD: bcm2835_spireg.h,v 1.1 2013/01/05 20:31:23 jakllsch Exp $	*/
2 
3 /*
4  * Copyright (c) 2012 Jonathan A. Kollasch
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
20  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
21  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
22  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
23  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
24  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
25  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
26  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #ifndef _BROADCOM_BCM2835_SPIREG_H_
30 #define _BROADCOM_BCM2835_SPIREG_H_
31 
32 #include <sys/cdefs.h>
33 
34 #define __BIT32(x)	((uint32_t)__BIT(x))
35 #define __BITS32(x, y)	((uint32_t)__BITS((x), (y)))
36 
37 #define SPI_CS		0x000
38 #define SPI_CS_CS		__BITS32(1,0)
39 #define SPI_CS_CPHA		__BIT32(2)
40 #define SPI_CS_CPOL		__BIT32(3)
41 #define SPI_CS_CLEAR_TX		__BIT32(4)
42 #define SPI_CS_CLEAR_RX		__BIT32(5)
43 #define SPI_CS_CSPOL		__BIT32(6)
44 #define SPI_CS_TA		__BIT32(7)
45 #define SPI_CS_DMAEN		__BIT32(8)
46 #define SPI_CS_INTD		__BIT32(9)
47 #define SPI_CS_INTR		__BIT32(10)
48 #define SPI_CS_ADCS		__BIT32(11)
49 #define SPI_CS_REN		__BIT32(12)
50 #define SPI_CS_LEN		__BIT32(13)
51 #define SPI_CS_LMONO		__BIT32(14)
52 #define SPI_CS_TE_EN		__BIT32(15)
53 #define SPI_CS_DONE		__BIT32(16)
54 #define SPI_CS_RXD		__BIT32(17)
55 #define SPI_CS_TXD		__BIT32(18)
56 #define SPI_CS_RXR		__BIT32(19)
57 #define SPI_CS_RXF		__BIT32(20)
58 #define SPI_CS_CSPOL0		__BIT32(21)
59 #define SPI_CS_CSPOL1		__BIT32(22)
60 #define SPI_CS_CSPOL2		__BIT32(23)
61 #define SPI_CS_DMA_LEN		__BIT32(24)
62 #define SPI_CS_LEN_LONG		__BIT32(25)
63 
64 #define SPI_FIFO	0x004
65 
66 #define SPI_CLK		0x008
67 #define SPI_CLK_CDIV		__BITS32(15,0)
68 
69 #define SPI_DLEN	0x00c
70 
71 #define SPI_LTOH	0x010
72 
73 #define SPI_DC		0x014
74 
75 #endif /* _BROADCOM_BCM2835_SPIREG_H_ */
76