xref: /freebsd/sys/arm/broadcom/bcm2835/bcm2835_bscreg.h (revision 0bd904ed4730e481c5ad0dffc27794ec6ac70cfc)
1be9ddf43SLuiz Otavio O Souza /*-
2be9ddf43SLuiz Otavio O Souza  * Copyright (c) 2012 Oleksandr Tymoshenko <gonzo@freebsd.org>
3be9ddf43SLuiz Otavio O Souza  * Copyright (c) 2013 Luiz Otavio O Souza <loos@freebsd.org>
4be9ddf43SLuiz Otavio O Souza  * All rights reserved.
5be9ddf43SLuiz Otavio O Souza  *
6be9ddf43SLuiz Otavio O Souza  * Redistribution and use in source and binary forms, with or without
7be9ddf43SLuiz Otavio O Souza  * modification, are permitted provided that the following conditions
8be9ddf43SLuiz Otavio O Souza  * are met:
9be9ddf43SLuiz Otavio O Souza  * 1. Redistributions of source code must retain the above copyright
10be9ddf43SLuiz Otavio O Souza  *    notice, this list of conditions and the following disclaimer.
11be9ddf43SLuiz Otavio O Souza  * 2. Redistributions in binary form must reproduce the above copyright
12be9ddf43SLuiz Otavio O Souza  *    notice, this list of conditions and the following disclaimer in the
13be9ddf43SLuiz Otavio O Souza  *    documentation and/or other materials provided with the distribution.
14be9ddf43SLuiz Otavio O Souza  *
15be9ddf43SLuiz Otavio O Souza  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16be9ddf43SLuiz Otavio O Souza  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17be9ddf43SLuiz Otavio O Souza  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18be9ddf43SLuiz Otavio O Souza  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19be9ddf43SLuiz Otavio O Souza  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20be9ddf43SLuiz Otavio O Souza  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21be9ddf43SLuiz Otavio O Souza  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22be9ddf43SLuiz Otavio O Souza  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23be9ddf43SLuiz Otavio O Souza  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24be9ddf43SLuiz Otavio O Souza  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25be9ddf43SLuiz Otavio O Souza  * SUCH DAMAGE.
26be9ddf43SLuiz Otavio O Souza  *
27be9ddf43SLuiz Otavio O Souza  * $FreeBSD$
28be9ddf43SLuiz Otavio O Souza  */
29be9ddf43SLuiz Otavio O Souza 
30be9ddf43SLuiz Otavio O Souza #ifndef	_BCM2835_BSCREG_H_
31be9ddf43SLuiz Otavio O Souza #define	_BCM2835_BSCREG_H_
32be9ddf43SLuiz Otavio O Souza 
33be9ddf43SLuiz Otavio O Souza #define	BCM_BSC_CORE_CLK	150000000U
34be9ddf43SLuiz Otavio O Souza #define	BCM_BSC_CTRL		0x00
35be9ddf43SLuiz Otavio O Souza #define	BCM_BSC_CTRL_I2CEN		(1 << 15)
36be9ddf43SLuiz Otavio O Souza #define	BCM_BSC_CTRL_INTR		(1 << 10)
37be9ddf43SLuiz Otavio O Souza #define	BCM_BSC_CTRL_INTT		(1 << 9)
38be9ddf43SLuiz Otavio O Souza #define	BCM_BSC_CTRL_INTD		(1 << 8)
39be9ddf43SLuiz Otavio O Souza #define	BCM_BSC_CTRL_ST			(1 << 7)
40be9ddf43SLuiz Otavio O Souza #define	BCM_BSC_CTRL_CLEAR1		(1 << 5)
41be9ddf43SLuiz Otavio O Souza #define	BCM_BSC_CTRL_CLEAR0		(1 << 4)
42be9ddf43SLuiz Otavio O Souza #define	BCM_BSC_CTRL_READ		(1 << 0)
43*0bd904edSIan Lepore #define	BCM_BSC_CTRL_INT_ALL \
44*0bd904edSIan Lepore     (BCM_BSC_CTRL_INTR | BCM_BSC_CTRL_INTT | BCM_BSC_CTRL_INTD)
45*0bd904edSIan Lepore 
46be9ddf43SLuiz Otavio O Souza #define	BCM_BSC_STATUS		0x04
47be9ddf43SLuiz Otavio O Souza #define	BCM_BSC_STATUS_CLKT		(1 << 9)
48be9ddf43SLuiz Otavio O Souza #define	BCM_BSC_STATUS_ERR		(1 << 8)
49be9ddf43SLuiz Otavio O Souza #define	BCM_BSC_STATUS_RXF		(1 << 7)
50be9ddf43SLuiz Otavio O Souza #define	BCM_BSC_STATUS_TXE		(1 << 6)
51be9ddf43SLuiz Otavio O Souza #define	BCM_BSC_STATUS_RXD		(1 << 5)
52be9ddf43SLuiz Otavio O Souza #define	BCM_BSC_STATUS_TXD		(1 << 4)
53be9ddf43SLuiz Otavio O Souza #define	BCM_BSC_STATUS_RXR		(1 << 3)
54be9ddf43SLuiz Otavio O Souza #define	BCM_BSC_STATUS_TXW		(1 << 2)
55be9ddf43SLuiz Otavio O Souza #define	BCM_BSC_STATUS_DONE		(1 << 1)
56be9ddf43SLuiz Otavio O Souza #define	BCM_BSC_STATUS_TA		(1 << 0)
57*0bd904edSIan Lepore #define	BCM_BSC_STATUS_ERRBITS \
58*0bd904edSIan Lepore     (BCM_BSC_STATUS_CLKT | BCM_BSC_STATUS_ERR)
59*0bd904edSIan Lepore 
60be9ddf43SLuiz Otavio O Souza #define	BCM_BSC_DLEN		0x08
61be9ddf43SLuiz Otavio O Souza #define	BCM_BSC_SLAVE		0x0c
62be9ddf43SLuiz Otavio O Souza #define	BCM_BSC_DATA		0x10
63be9ddf43SLuiz Otavio O Souza #define	BCM_BSC_CLOCK		0x14
64be9ddf43SLuiz Otavio O Souza #define	BCM_BSC_DELAY		0x18
65be9ddf43SLuiz Otavio O Souza #define	BCM_BSC_CLKT		0x1c
66be9ddf43SLuiz Otavio O Souza 
67be9ddf43SLuiz Otavio O Souza #endif	/* _BCM2835_BSCREG_H_ */
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