1 | /*******************************************************************************
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2 | * DISCLAIMER
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3 | * This software is supplied by Renesas Electronics Corporation and is only
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4 | * intended for use with Renesas products. No other uses are authorized. This
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5 | * software is owned by Renesas Electronics Corporation and is protected under
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6 | * all applicable laws, including copyright laws.
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7 | * THIS SOFTWARE IS PROVIDED "AS IS" AND RENESAS MAKES NO WARRANTIES REGARDING
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8 | * THIS SOFTWARE, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING BUT NOT
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9 | * LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
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10 | * AND NON-INFRINGEMENT. ALL SUCH WARRANTIES ARE EXPRESSLY DISCLAIMED.
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11 | * TO THE MAXIMUM EXTENT PERMITTED NOT PROHIBITED BY LAW, NEITHER RENESAS
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12 | * ELECTRONICS CORPORATION NOR ANY OF ITS AFFILIATED COMPANIES SHALL BE LIABLE
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13 | * FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR
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14 | * ANY REASON RELATED TO THIS SOFTWARE, EVEN IF RENESAS OR ITS AFFILIATES HAVE
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15 | * BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
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16 | * Renesas reserves the right, without notice, to make changes to this software
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17 | * and to discontinue the availability of this software. By using this software,
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18 | * you agree to the additional terms and conditions found by accessing the
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19 | * following link:
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20 | * http://www.renesas.com/disclaimer
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21 | * Copyright (C) 2012 - 2014 Renesas Electronics Corporation. All rights reserved.
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22 | *******************************************************************************/
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23 | /**************************************************************************//**
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24 | * @file RZ_A1_Init.c
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25 | * $Rev: 624 $
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26 | * $Date:: 2013-04-24 13:37:48 +0900#$
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27 | * @brief RZ_A1 Initialize
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28 | ******************************************************************************/
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29 |
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30 | /******************************************************************************
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31 | Includes <System Includes> , "Project Includes"
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32 | ******************************************************************************/
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33 | #include "MBRZA1H.h"
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34 | #include "RZ_A1_Init.h"
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35 |
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36 | /******************************************************************************
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37 | Typedef definitions
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38 | ******************************************************************************/
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39 |
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40 | /******************************************************************************
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41 | Macro definitions
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42 | ******************************************************************************/
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43 | #define CS2_SDRAM_MODE_16BIT_CAS2_BR_BW (*(volatile uint16_t*)0x3FFFD040)
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44 | #define CS3_SDRAM_MODE_16BIT_CAS2_BR_BW (*(volatile uint16_t*)0x3FFFE040)
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45 |
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46 | #define GPIO_PORT0_BOOTMODE_BITMASK (0x000fu)
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47 |
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48 | /******************************************************************************
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49 | Imported global variables and functions (from other files)
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50 | ******************************************************************************/
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51 |
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52 | /******************************************************************************
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53 | Exported global variables and functions (to be accessed by other files)
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54 | ******************************************************************************/
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55 |
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56 | /******************************************************************************
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57 | Private global variables and functions
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58 | ******************************************************************************/
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59 |
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60 | /**************************************************************************//**
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61 | * Function Name: RZ_A1_SetSramWriteEnable
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62 | * @brief Initialize Board settings
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63 | *
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64 | * Description:<br>
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65 | * Set SRAM write enable
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66 | * @param none
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67 | * @retval none
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68 | ******************************************************************************/
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69 | void RZ_A1_SetSramWriteEnable(void)
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70 | {
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71 | /* Enable SRAM write access */
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72 | CPG.SYSCR3 = 0x0F;
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73 |
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74 | return;
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75 | }
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76 |
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77 | /**************************************************************************//**
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78 | * Function Name: RZ_A1_InitClock
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79 | * @brief Initialize Board settings
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80 | *
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81 | * Description:<br>
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82 | * Initialize Clock
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83 | * @param none
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84 | * @retval none
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85 | ******************************************************************************/
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86 | void RZ_A1_InitClock(void)
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87 | {
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88 | /* Cancel L2C standby status before clock change */
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89 | L2CREG15_POWER_CTRL = 0x00000001;
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90 |
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91 | /* Clock settings */
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92 | /* ClockMode0 */
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93 | CPG.FRQCR = 0x1035; /* CPU Clock =399.99MHz */
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94 | CPG.FRQCR2 = 0x0001; /* G Clock =266.66MHz */
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95 |
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96 | return;
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97 | }
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98 |
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99 | /**************************************************************************//**
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100 | * Function Name: RZ_A1_IsClockMode0
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101 | * @brief Query Clock Mode
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102 | *
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103 | * Description:<br>
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104 | * Answer ClockMode0 or not
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105 | * @param none
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106 | * @retval true : clock mode 0
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107 | * @retval false : clock mode 1
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108 | ******************************************************************************/
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109 | int RZ_A1_IsClockMode0(void)
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110 | {
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111 | /* ClockMode0 */
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112 | return true;
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113 | }
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114 |
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115 | /**************************************************************************//**
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116 | * Function Name: RZ_A1_InitBus
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117 | * @brief Initialize Bus
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118 | *
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119 | * Description:<br>
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120 | * Initialize Pin Setting
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121 | * @param none
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122 | * @retval none
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123 | ******************************************************************************/
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124 | void RZ_A1_InitBus(void)
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125 | {
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126 | /*************************************************************************/
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127 | /* If need Pin Setting before run program, the setting will be wrote here*/
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128 | /*************************************************************************/
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129 |
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130 | return;
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131 | }
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132 |
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133 | /******************************************************************************
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134 | End of file
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135 | ******************************************************************************/
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