source/soc-codec/Kinets/dma/edma_mk60f.c

   1 **HEADER********************************************************************
   2 *
   3 * Copyright (c) 2013 Freescale Semiconductor;
   4 * All Rights Reserved
   5 *
   6 ***************************************************************************
   7 *
   8 * THIS SOFTWARE IS PROVIDED BY FREESCALE "AS IS" AND ANY EXPRESSED OR
   9 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  10 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  11 * IN NO EVENT SHALL FREESCALE OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
  12 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  13 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  14 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  15 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  16 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
  17 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
  18 * THE POSSIBILITY OF SUCH DAMAGE.
  19 *
  20 **************************************************************************
  21 *
  22 * $FileName: edma_mk60f.c$
  23 * $Version : 4.0.1.0$
  24 * $Date    : May-14-2013$
  25 *
  26 * Comments:
  27 *
  28 *   This file contains CPU specific eDMA functions.
  29 *
  30 *END************************************************************************/
  31
  32 #include <mqx.h>
  33 #include <bsp.h>
  34 #include "edma.h"
  35
  36
  37 static const uint_32 /*PSP_INTERRUPT_TABLE_INDEX*/ edma_done_vectors[][16] =
  38 {
  39     {
  40         INT_DMA0_DMA16,
  41         INT_DMA1_DMA17,
  42         INT_DMA2_DMA18,
  43         INT_DMA3_DMA19,
  44         INT_DMA4_DMA20,
  45         INT_DMA5_DMA21,
  46         INT_DMA6_DMA22,
  47         INT_DMA7_DMA23,
  48         INT_DMA8_DMA24,
  49         INT_DMA9_DMA25,
  50         INT_DMA10_DMA26,
  51         INT_DMA11_DMA27,
  52         INT_DMA12_DMA28,
  53         INT_DMA13_DMA29,
  54         INT_DMA14_DMA30,
  55         INT_DMA15_DMA31
  56     }
  57 };
  58
  59
  60
  61 static const uint_32 /*PSP_INTERRUPT_TABLE_INDEX*/ edma_error_vectors[][1] =
  62 {
  63     {
  64         INT_DMA_Error
  65     }
  66 };
  67
  68
  69
  70 /*FUNCTION*-------------------------------------------------------------------
  71 *
  72 * Function Name    : _bsp_get_edma_done_vectors
  73 * Returned Value   : Number of vectors associated with the peripheral
  74 * Comments         :
  75 *    This function returns desired interrupt vector table indices for specified module.
  76 *
  77 *END*----------------------------------------------------------------------*/
  78
  79 int _bsp_get_edma_done_vectors(uint_32 dev_num, const uint_32 _PTR_ _PTR_ vectors_ptr)
  80 {
  81     if (dev_num < ELEMENTS_OF(edma_done_vectors)) {
  82         *vectors_ptr = edma_done_vectors[dev_num];
  83         return ELEMENTS_OF(edma_done_vectors[0]);
  84     }
  85     return 0;
  86 }
  87
  88
  89 /*FUNCTION*-------------------------------------------------------------------
  90 *
  91 * Function Name    : _bsp_get_edma_error_vector
  92 * Returned Value   : Number of vectors associated with the peripheral
  93 * Comments         :
  94 *    This function returns desired interrupt vector table indices for specified module.
  95 *
  96 *END*----------------------------------------------------------------------*/
  97
  98 int _bsp_get_edma_error_vectors(uint_32 dev_num, const uint_32 _PTR_ _PTR_ vectors_ptr)
  99 {
 100     if (dev_num < ELEMENTS_OF(edma_error_vectors)) {
 101         *vectors_ptr = edma_error_vectors[dev_num];
 102         return ELEMENTS_OF(edma_error_vectors[0]);
 103     }
 104     return 0;
 105 }
 106
 107
 108 /*FUNCTION*-------------------------------------------------------------------
 109 *
 110 * Function Name    : _bsp_edma_enable
 111 * Returned Value   :
 112 * Comments         :
 113 *    The function performs necessary operations to enable eDMA module
 114 *
 115 *END*----------------------------------------------------------------------*/
 116
 117 int _bsp_edma_enable(uint_32 dev_num)
 118 {
 119     /* Enable DMAMUX clock */
 120     SIM_SCGC6 |= SIM_SCGC6_DMAMUX0_MASK;
 121     SIM_SCGC6 |= SIM_SCGC6_DMAMUX1_MASK;
 122
 123     /* Enable DMA clock */
 124     SIM_SCGC7 |= SIM_SCGC7_DMA_MASK;
 125
 126     return 0;
 127 }