2 * Copyright (c) 2012 Oleksandr Tymoshenko <gonzo@freebsd.org>
3 * Copyright (c) 2013 Luiz Otavio O Souza <loos@freebsd.org>
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
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.
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
30 #ifndef _BCM2835_SPIREG_H_
31 #define _BCM2835_SPIREG_H_
33 #define SPI_CORE_CLK 250000000U
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
60 #define SPI_CLK_MASK 0xffff
62 #define SPI_DLEN_MASK 0xffff
64 #define SPI_LTOH_MASK 0xf
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
75 #endif /* _BCM2835_SPIREG_H_ */