1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2012 Oleksandr Tymoshenko <gonzo@freebsd.org> 5 * Copyright (c) 2013 Luiz Otavio O Souza <loos@freebsd.org> 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * $FreeBSD$ 30 */ 31 32 #ifndef _BCM2835_BSCREG_H_ 33 #define _BCM2835_BSCREG_H_ 34 35 #define BCM_BSC_CORE_CLK 150000000U 36 #define BCM_BSC_CTRL 0x00 37 #define BCM_BSC_CTRL_I2CEN (1 << 15) 38 #define BCM_BSC_CTRL_INTR (1 << 10) 39 #define BCM_BSC_CTRL_INTT (1 << 9) 40 #define BCM_BSC_CTRL_INTD (1 << 8) 41 #define BCM_BSC_CTRL_ST (1 << 7) 42 #define BCM_BSC_CTRL_CLEAR1 (1 << 5) 43 #define BCM_BSC_CTRL_CLEAR0 (1 << 4) 44 #define BCM_BSC_CTRL_READ (1 << 0) 45 #define BCM_BSC_CTRL_INT_ALL \ 46 (BCM_BSC_CTRL_INTR | BCM_BSC_CTRL_INTT | BCM_BSC_CTRL_INTD) 47 48 #define BCM_BSC_STATUS 0x04 49 #define BCM_BSC_STATUS_CLKT (1 << 9) 50 #define BCM_BSC_STATUS_ERR (1 << 8) 51 #define BCM_BSC_STATUS_RXF (1 << 7) 52 #define BCM_BSC_STATUS_TXE (1 << 6) 53 #define BCM_BSC_STATUS_RXD (1 << 5) 54 #define BCM_BSC_STATUS_TXD (1 << 4) 55 #define BCM_BSC_STATUS_RXR (1 << 3) 56 #define BCM_BSC_STATUS_TXW (1 << 2) 57 #define BCM_BSC_STATUS_DONE (1 << 1) 58 #define BCM_BSC_STATUS_TA (1 << 0) 59 #define BCM_BSC_STATUS_ERRBITS \ 60 (BCM_BSC_STATUS_CLKT | BCM_BSC_STATUS_ERR) 61 62 #define BCM_BSC_DLEN 0x08 63 #define BCM_BSC_SLAVE 0x0c 64 #define BCM_BSC_DATA 0x10 65 #define BCM_BSC_CLOCK 0x14 66 #define BCM_BSC_DELAY 0x18 67 #define BCM_BSC_CLKT 0x1c 68 69 #endif /* _BCM2835_BSCREG_H_ */ 70