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 * $FreeBSD$ 28 */ 29 30#ifndef _BCM2835_SPIREG_H_ 31#define _BCM2835_SPIREG_H_ 32 33#define SPI_CORE_CLK 250000000U 34#define SPI_CS 0x00 35#define SPI_CS_LEN_LONG (1 << 25) 36#define SPI_CS_DMA_LEN (1 << 24) 37#define SPI_CS_CSPOL2 (1 << 23) 38#define SPI_CS_CSPOL1 (1 << 22) 39#define SPI_CS_CSPOL0 (1 << 21) 40#define SPI_CS_RXF (1 << 20) 41#define SPI_CS_RXR (1 << 19) 42#define SPI_CS_TXD (1 << 18) 43#define SPI_CS_RXD (1 << 17) 44#define SPI_CS_DONE (1 << 16) 45#define SPI_CS_LEN (1 << 13) 46#define SPI_CS_REN (1 << 12) 47#define SPI_CS_ADCS (1 << 11) 48#define SPI_CS_INTR (1 << 10) 49#define SPI_CS_INTD (1 << 9) 50#define SPI_CS_DMAEN (1 << 8) 51#define SPI_CS_TA (1 << 7) 52#define SPI_CS_CSPOL (1 << 6) 53#define SPI_CS_CLEAR_RXFIFO (1 << 5) 54#define SPI_CS_CLEAR_TXFIFO (1 << 4) 55#define SPI_CS_CPOL (1 << 3) 56#define SPI_CS_CPHA (1 << 2) 57#define SPI_CS_MASK 0x3 58#define SPI_FIFO 0x04 59#define SPI_CLK 0x08 60#define SPI_CLK_MASK 0xffff 61#define SPI_DLEN 0x0c 62#define SPI_DLEN_MASK 0xffff 63#define SPI_LTOH 0x10 64#define SPI_LTOH_MASK 0xf 65#define SPI_DC 0x14 66#define SPI_DC_RPANIC_SHIFT 24 67#define SPI_DC_RPANIC_MASK (0xff << SPI_DC_RPANIC_SHIFT) 68#define SPI_DC_RDREQ_SHIFT 16 69#define SPI_DC_RDREQ_MASK (0xff << SPI_DC_RDREQ_SHIFT) 70#define SPI_DC_TPANIC_SHIFT 8 71#define SPI_DC_TPANIC_MASK (0xff << SPI_DC_TPANIC_SHIFT) 72#define SPI_DC_TDREQ_SHIFT 0 73#define SPI_DC_TDREQ_MASK 0xff 74 75#endif /* _BCM2835_SPIREG_H_ */ 76