tool/mbed/mbed-sdk/libraries/mbed/targets/cmsis/TARGET_RENESAS/TARGET_RZ_A1H/RZ_A1_Init.c

   1 /*******************************************************************************
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  21 * Copyright (C) 2012 - 2014 Renesas Electronics Corporation. All rights reserved.
  22 *******************************************************************************/
  23 /**************************************************************************//**
  24 * @file         RZ_A1_Init.c
  25 * $Rev: 624 $
  26 * $Date:: 2013-04-24 13:37:48 +0900#$
  27 * @brief        RZ_A1 Initialize
  28 ******************************************************************************/
  29
  30 /******************************************************************************
  31 Includes   <System Includes> , "Project Includes"
  32 ******************************************************************************/
  33 #include "MBRZA1H.h"
  34 #include "RZ_A1_Init.h"
  35
  36 /******************************************************************************
  37 Typedef definitions
  38 ******************************************************************************/
  39
  40 /******************************************************************************
  41 Macro definitions
  42 ******************************************************************************/
  43 #define CS2_SDRAM_MODE_16BIT_CAS2_BR_BW (*(volatile uint16_t*)0x3FFFD040)
  44 #define CS3_SDRAM_MODE_16BIT_CAS2_BR_BW (*(volatile uint16_t*)0x3FFFE040)
  45
  46 #define GPIO_PORT0_BOOTMODE_BITMASK (0x000fu)
  47
  48 /******************************************************************************
  49 Imported global variables and functions (from other files)
  50 ******************************************************************************/
  51
  52 /******************************************************************************
  53 Exported global variables and functions (to be accessed by other files)
  54 ******************************************************************************/
  55
  56 /******************************************************************************
  57 Private global variables and functions
  58 ******************************************************************************/
  59
  60 /**************************************************************************//**
  61 * Function Name: RZ_A1_SetSramWriteEnable
  62 * @brief         Initialize Board settings
  63 *
  64 *                Description:<br>
  65 *                Set SRAM write enable
  66 * @param         none
  67 * @retval        none
  68 ******************************************************************************/
  69 void RZ_A1_SetSramWriteEnable(void)
  70 {
  71     /* Enable SRAM write access */
  72     CPG.SYSCR3 = 0x0F;
  73
  74     return;
  75 }
  76
  77 /**************************************************************************//**
  78 * Function Name: RZ_A1_InitClock
  79 * @brief         Initialize Board settings
  80 *
  81 *                Description:<br>
  82 *                Initialize Clock
  83 * @param         none
  84 * @retval        none
  85 ******************************************************************************/
  86 void RZ_A1_InitClock(void)
  87 {
  88     /* Cancel L2C standby status before clock change */
  89     L2CREG15_POWER_CTRL = 0x00000001;
  90
  91     /* Clock settings */
  92     /* ClockMode0 */
  93     CPG.FRQCR  = 0x1035;    /* CPU Clock =399.99MHz */
  94     CPG.FRQCR2 = 0x0001;    /* G Clock   =266.66MHz */
  95
  96     return;
  97 }
  98
  99 /**************************************************************************//**
 100 * Function Name: RZ_A1_IsClockMode0
 101 * @brief         Query Clock Mode
 102 *
 103 *                Description:<br>
 104 *                Answer ClockMode0 or not
 105 * @param         none
 106 * @retval        true  : clock mode 0
 107 * @retval        false : clock mode 1
 108 ******************************************************************************/
 109 int RZ_A1_IsClockMode0(void)
 110 {
 111     /* ClockMode0 */
 112     return true;
 113 }
 114
 115 /**************************************************************************//**
 116 * Function Name: RZ_A1_InitBus
 117 * @brief         Initialize Bus
 118 *
 119 *                Description:<br>
 120 *                Initialize Pin Setting
 121 * @param         none
 122 * @retval        none
 123 ******************************************************************************/
 124 void RZ_A1_InitBus(void)
 125 {
 126     /*************************************************************************/
 127     /* If need Pin Setting before run program, the setting will be wrote here*/
 128     /*************************************************************************/
 129
 130     return;
 131 }
 132
 133 /******************************************************************************
 134 End of file
 135 ******************************************************************************/