bcm2835_bscreg.h revision 261078
1/*-
2 * Copyright (c) 2012 Oleksandr Tymoshenko <gonzo@freebsd.org>
3 * Copyright (c) 2013 Luiz Otavio O Souza <loos@freebsd.org>
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 *
27 * $FreeBSD: stable/10/sys/arm/broadcom/bcm2835/bcm2835_bscreg.h 261078 2014-01-23 12:32:30Z loos $
28 */
29
30#ifndef	_BCM2835_BSCREG_H_
31#define	_BCM2835_BSCREG_H_
32
33#define	BCM_BSC_CORE_CLK	150000000U
34#define	BCM_BSC_CTRL		0x00
35#define	BCM_BSC_CTRL_I2CEN		(1 << 15)
36#define	BCM_BSC_CTRL_INTR		(1 << 10)
37#define	BCM_BSC_CTRL_INTT		(1 << 9)
38#define	BCM_BSC_CTRL_INTD		(1 << 8)
39#define	BCM_BSC_CTRL_ST			(1 << 7)
40#define	BCM_BSC_CTRL_CLEAR1		(1 << 5)
41#define	BCM_BSC_CTRL_CLEAR0		(1 << 4)
42#define	BCM_BSC_CTRL_READ		(1 << 0)
43#define	BCM_BSC_STATUS		0x04
44#define	BCM_BSC_STATUS_CLKT		(1 << 9)
45#define	BCM_BSC_STATUS_ERR		(1 << 8)
46#define	BCM_BSC_STATUS_RXF		(1 << 7)
47#define	BCM_BSC_STATUS_TXE		(1 << 6)
48#define	BCM_BSC_STATUS_RXD		(1 << 5)
49#define	BCM_BSC_STATUS_TXD		(1 << 4)
50#define	BCM_BSC_STATUS_RXR		(1 << 3)
51#define	BCM_BSC_STATUS_TXW		(1 << 2)
52#define	BCM_BSC_STATUS_DONE		(1 << 1)
53#define	BCM_BSC_STATUS_TA		(1 << 0)
54#define	BCM_BSC_DLEN		0x08
55#define	BCM_BSC_SLAVE		0x0c
56#define	BCM_BSC_DATA		0x10
57#define	BCM_BSC_CLOCK		0x14
58#define	BCM_BSC_DELAY		0x18
59#define	BCM_BSC_CLKT		0x1c
60
61#endif	/* _BCM2835_BSCREG_H_ */
62