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_SPIREG_H_ 33 #define _BCM2835_SPIREG_H_ 34 35 #define SPI_CORE_CLK 250000000U 36 #define SPI_CS 0x00 37 #define SPI_CS_LEN_LONG (1 << 25) 38 #define SPI_CS_DMA_LEN (1 << 24) 39 #define SPI_CS_CSPOL2 (1 << 23) 40 #define SPI_CS_CSPOL1 (1 << 22) 41 #define SPI_CS_CSPOL0 (1 << 21) 42 #define SPI_CS_RXF (1 << 20) 43 #define SPI_CS_RXR (1 << 19) 44 #define SPI_CS_TXD (1 << 18) 45 #define SPI_CS_RXD (1 << 17) 46 #define SPI_CS_DONE (1 << 16) 47 #define SPI_CS_LEN (1 << 13) 48 #define SPI_CS_REN (1 << 12) 49 #define SPI_CS_ADCS (1 << 11) 50 #define SPI_CS_INTR (1 << 10) 51 #define SPI_CS_INTD (1 << 9) 52 #define SPI_CS_DMAEN (1 << 8) 53 #define SPI_CS_TA (1 << 7) 54 #define SPI_CS_CSPOL (1 << 6) 55 #define SPI_CS_CLEAR_RXFIFO (1 << 5) 56 #define SPI_CS_CLEAR_TXFIFO (1 << 4) 57 #define SPI_CS_CPOL (1 << 3) 58 #define SPI_CS_CPHA (1 << 2) 59 #define SPI_CS_MASK 0x3 60 #define SPI_FIFO 0x04 61 #define SPI_CLK 0x08 62 #define SPI_CLK_MASK 0xffff 63 #define SPI_DLEN 0x0c 64 #define SPI_DLEN_MASK 0xffff 65 #define SPI_LTOH 0x10 66 #define SPI_LTOH_MASK 0xf 67 #define SPI_DC 0x14 68 #define SPI_DC_RPANIC_SHIFT 24 69 #define SPI_DC_RPANIC_MASK (0xff << SPI_DC_RPANIC_SHIFT) 70 #define SPI_DC_RDREQ_SHIFT 16 71 #define SPI_DC_RDREQ_MASK (0xff << SPI_DC_RDREQ_SHIFT) 72 #define SPI_DC_TPANIC_SHIFT 8 73 #define SPI_DC_TPANIC_MASK (0xff << SPI_DC_TPANIC_SHIFT) 74 #define SPI_DC_TDREQ_SHIFT 0 75 #define SPI_DC_TDREQ_MASK 0xff 76 77 #endif /* _BCM2835_SPIREG_H_ */ 78