bcm2835_spireg.h

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    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_ */

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FreeBSD/Linux Kernel Cross Reference sys/arm/broadcom/bcm2835/bcm2835_spireg.h

FreeBSD/Linux Kernel Cross Reference
sys/arm/broadcom/bcm2835/bcm2835_spireg.h