FreeBSD/Linux Kernel Cross Reference
sys/arm/freescale/imx/imx_gptreg.h

     /*-
      * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
      *
      * Copyright (c) 2012, 2013 The FreeBSD Foundation
      *
      * This software was developed by Oleksandr Rybalko under sponsorship
      * from the FreeBSD Foundation.
      *
      * Redistribution and use in source and binary forms, with or without
     * modification, are permitted provided that the following conditions
     * are met:
     * 1.   Redistributions of source code must retain the above copyright
     *      notice, this list of conditions and the following disclaimer.
     * 2.   Redistributions in binary form must reproduce the above copyright
     *      notice, this list of conditions and the following disclaimer in the
     *      documentation and/or other materials provided with the distribution.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     *
     * $FreeBSD$
     */
    
    /* Registers definition for Freescale i.MX515 Generic Periodic Timer */
    
    #define IMX_GPT_CR      0x0000 /* Control Register          R/W */
    #define         GPT_CR_FO3              (1U << 31)
    #define         GPT_CR_FO2              (1 << 30)
    #define         GPT_CR_FO1              (1 << 29)
    #define         GPT_CR_OM3_SHIFT        26
    #define         GPT_CR_OM3_MASK         0x1c000000
    #define         GPT_CR_OM2_SHIFT        23
    #define         GPT_CR_OM2_MASK         0x03800000
    #define         GPT_CR_OM1_SHIFT        20
    #define         GPT_CR_OM1_MASK         0x00700000
    #define         GPT_CR_OMX_NONE         0
    #define         GPT_CR_OMX_TOGGLE       1
    #define         GPT_CR_OMX_CLEAR        2
    #define         GPT_CR_OMX_SET          3
    #define         GPT_CR_OMX_PULSE        4 /* Run CLKSRC on output pin */
    #define         GPT_CR_IM2_SHIFT        18
    #define         GPT_CR_IM2_MASK         0x000c0000
    #define         GPT_CR_IM1_SHIFT        16
    #define         GPT_CR_IM1_MASK         0x00030000
    #define         GPT_CR_IMX_NONE         0
    #define         GPT_CR_IMX_REDGE        1
    #define         GPT_CR_IMX_FEDGE        2
    #define         GPT_CR_IMX_BOTH         3
    #define         GPT_CR_SWR              (1 << 15)
    #define         GPT_CR_24MEN            (1 << 10)
    #define         GPT_CR_FRR              (1 << 9)
    #define         GPT_CR_CLKSRC_NONE      (0 << 6)
    #define         GPT_CR_CLKSRC_IPG       (1 << 6)
    #define         GPT_CR_CLKSRC_IPG_HIGH  (2 << 6)
    #define         GPT_CR_CLKSRC_EXT       (3 << 6)
    #define         GPT_CR_CLKSRC_32K       (4 << 6)
    #define         GPT_CR_CLKSRC_24M       (5 << 6)
    #define         GPT_CR_STOPEN           (1 << 5)
    #define         GPT_CR_DOZEEN           (1 << 4)
    #define         GPT_CR_WAITEN           (1 << 3)
    #define         GPT_CR_DBGEN            (1 << 2)
    #define         GPT_CR_ENMOD            (1 << 1)
    #define         GPT_CR_EN               (1 << 0)
    
    #define IMX_GPT_PR      0x0004 /* Prescaler Register        R/W */
    #define         GPT_PR_VALUE_SHIFT      0
    #define         GPT_PR_VALUE_MASK       0x00000fff
    #define         GPT_PR_VALUE_SHIFT_24M  12
    #define         GPT_PR_VALUE_MASK_24M   0x0000f000
    
    /* Same map for SR and IR */
    #define IMX_GPT_SR      0x0008 /* Status Register           R/W */
    #define IMX_GPT_IR      0x000c /* Interrupt Register        R/W */
    #define         GPT_IR_ROV              (1 << 5)
    #define         GPT_IR_IF2              (1 << 4)
    #define         GPT_IR_IF1              (1 << 3)
    #define         GPT_IR_OF3              (1 << 2)
    #define         GPT_IR_OF2              (1 << 1)
    #define         GPT_IR_OF1              (1 << 0)
    #define         GPT_IR_ALL              \
                            (GPT_IR_ROV |   \
                            GPT_IR_IF2 |    \
                            GPT_IR_IF1 |    \
                            GPT_IR_OF3 |    \
                            GPT_IR_OF2 |    \
                            GPT_IR_OF1)
    
    #define IMX_GPT_OCR1    0x0010 /* Output Compare Register 1 R/W */
    #define IMX_GPT_OCR2    0x0014 /* Output Compare Register 2 R/W */
    #define IMX_GPT_OCR3    0x0018 /* Output Compare Register 3 R/W */
   #define IMX_GPT_ICR1    0x001c /* Input capture Register 1  RO */
   #define IMX_GPT_ICR2    0x0020 /* Input capture Register 2  RO */
   #define IMX_GPT_CNT     0x0024 /* Counter Register          RO */

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