FMF-ART / mbed-dev-lib

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

Fork of mbed-dev by mbed official

targets/cmsis/TARGET_RENESAS/TARGET_RZ_A1H/RZ_A1_Init.c@0:9b334a45a8ff, 2015-10-01 (annotated)

Committer:
bogdanm
Date:
Thu Oct 01 15:25:22 2015 +0300
Revision:
0:9b334a45a8ff
Child:
144:ef7eb2e8f9f7
Initial commit on mbed-dev



Replaces mbed-src (now inactive)

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bogdanm 0:9b334a45a8ff 1 /*******************************************************************************
bogdanm 0:9b334a45a8ff 2 * DISCLAIMER
bogdanm 0:9b334a45a8ff 3 * This software is supplied by Renesas Electronics Corporation and is only
bogdanm 0:9b334a45a8ff 4 * intended for use with Renesas products. No other uses are authorized. This
bogdanm 0:9b334a45a8ff 5 * software is owned by Renesas Electronics Corporation and is protected under
bogdanm 0:9b334a45a8ff 6 * all applicable laws, including copyright laws.
bogdanm 0:9b334a45a8ff 7 * THIS SOFTWARE IS PROVIDED "AS IS" AND RENESAS MAKES NO WARRANTIES REGARDING
bogdanm 0:9b334a45a8ff 8 * THIS SOFTWARE, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING BUT NOT
bogdanm 0:9b334a45a8ff 9 * LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
bogdanm 0:9b334a45a8ff 10 * AND NON-INFRINGEMENT. ALL SUCH WARRANTIES ARE EXPRESSLY DISCLAIMED.
bogdanm 0:9b334a45a8ff 11 * TO THE MAXIMUM EXTENT PERMITTED NOT PROHIBITED BY LAW, NEITHER RENESAS
bogdanm 0:9b334a45a8ff 12 * ELECTRONICS CORPORATION NOR ANY OF ITS AFFILIATED COMPANIES SHALL BE LIABLE
bogdanm 0:9b334a45a8ff 13 * FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR
bogdanm 0:9b334a45a8ff 14 * ANY REASON RELATED TO THIS SOFTWARE, EVEN IF RENESAS OR ITS AFFILIATES HAVE
bogdanm 0:9b334a45a8ff 15 * BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
bogdanm 0:9b334a45a8ff 16 * Renesas reserves the right, without notice, to make changes to this software
bogdanm 0:9b334a45a8ff 17 * and to discontinue the availability of this software. By using this software,
bogdanm 0:9b334a45a8ff 18 * you agree to the additional terms and conditions found by accessing the
bogdanm 0:9b334a45a8ff 19 * following link:
bogdanm 0:9b334a45a8ff 20 * http://www.renesas.com/disclaimer
bogdanm 0:9b334a45a8ff 21 * Copyright (C) 2012 - 2014 Renesas Electronics Corporation. All rights reserved.
bogdanm 0:9b334a45a8ff 22 *******************************************************************************/
bogdanm 0:9b334a45a8ff 23 /**************************************************************************//**
bogdanm 0:9b334a45a8ff 24 * @file RZ_A1_Init.c
bogdanm 0:9b334a45a8ff 25 * $Rev: 624 $
bogdanm 0:9b334a45a8ff 26 * $Date:: 2013-04-24 13:37:48 +0900#$
bogdanm 0:9b334a45a8ff 27 * @brief RZ_A1 Initialize
bogdanm 0:9b334a45a8ff 28 ******************************************************************************/
bogdanm 0:9b334a45a8ff 29
bogdanm 0:9b334a45a8ff 30 /******************************************************************************
bogdanm 0:9b334a45a8ff 31 Includes <System Includes> , "Project Includes"
bogdanm 0:9b334a45a8ff 32 ******************************************************************************/
bogdanm 0:9b334a45a8ff 33 #include "MBRZA1H.h"
bogdanm 0:9b334a45a8ff 34 #include "RZ_A1_Init.h"
bogdanm 0:9b334a45a8ff 35
bogdanm 0:9b334a45a8ff 36 /******************************************************************************
bogdanm 0:9b334a45a8ff 37 Typedef definitions
bogdanm 0:9b334a45a8ff 38 ******************************************************************************/
bogdanm 0:9b334a45a8ff 39
bogdanm 0:9b334a45a8ff 40 /******************************************************************************
bogdanm 0:9b334a45a8ff 41 Macro definitions
bogdanm 0:9b334a45a8ff 42 ******************************************************************************/
bogdanm 0:9b334a45a8ff 43 #define CS2_SDRAM_MODE_16BIT_CAS2_BR_BW (*(volatile uint16_t*)0x3FFFD040)
bogdanm 0:9b334a45a8ff 44 #define CS3_SDRAM_MODE_16BIT_CAS2_BR_BW (*(volatile uint16_t*)0x3FFFE040)
bogdanm 0:9b334a45a8ff 45
bogdanm 0:9b334a45a8ff 46 #define GPIO_PORT0_BOOTMODE_BITMASK (0x000fu)
bogdanm 0:9b334a45a8ff 47
bogdanm 0:9b334a45a8ff 48 /******************************************************************************
bogdanm 0:9b334a45a8ff 49 Imported global variables and functions (from other files)
bogdanm 0:9b334a45a8ff 50 ******************************************************************************/
bogdanm 0:9b334a45a8ff 51
bogdanm 0:9b334a45a8ff 52 /******************************************************************************
bogdanm 0:9b334a45a8ff 53 Exported global variables and functions (to be accessed by other files)
bogdanm 0:9b334a45a8ff 54 ******************************************************************************/
bogdanm 0:9b334a45a8ff 55
bogdanm 0:9b334a45a8ff 56 /******************************************************************************
bogdanm 0:9b334a45a8ff 57 Private global variables and functions
bogdanm 0:9b334a45a8ff 58 ******************************************************************************/
bogdanm 0:9b334a45a8ff 59
bogdanm 0:9b334a45a8ff 60 /**************************************************************************//**
bogdanm 0:9b334a45a8ff 61 * Function Name: RZ_A1_SetSramWriteEnable
bogdanm 0:9b334a45a8ff 62 * @brief Initialize Board settings
bogdanm 0:9b334a45a8ff 63 *
bogdanm 0:9b334a45a8ff 64 * Description:<br>
bogdanm 0:9b334a45a8ff 65 * Set SRAM write enable
bogdanm 0:9b334a45a8ff 66 * @param none
bogdanm 0:9b334a45a8ff 67 * @retval none
bogdanm 0:9b334a45a8ff 68 ******************************************************************************/
bogdanm 0:9b334a45a8ff 69 void RZ_A1_SetSramWriteEnable(void)
bogdanm 0:9b334a45a8ff 70 {
bogdanm 0:9b334a45a8ff 71 /* Enable SRAM write access */
bogdanm 0:9b334a45a8ff 72 CPG.SYSCR3 = 0x0F;
bogdanm 0:9b334a45a8ff 73
bogdanm 0:9b334a45a8ff 74 return;
bogdanm 0:9b334a45a8ff 75 }
bogdanm 0:9b334a45a8ff 76
bogdanm 0:9b334a45a8ff 77 /**************************************************************************//**
bogdanm 0:9b334a45a8ff 78 * Function Name: RZ_A1_InitClock
bogdanm 0:9b334a45a8ff 79 * @brief Initialize Board settings
bogdanm 0:9b334a45a8ff 80 *
bogdanm 0:9b334a45a8ff 81 * Description:<br>
bogdanm 0:9b334a45a8ff 82 * Initialize Clock
bogdanm 0:9b334a45a8ff 83 * @param none
bogdanm 0:9b334a45a8ff 84 * @retval none
bogdanm 0:9b334a45a8ff 85 ******************************************************************************/
bogdanm 0:9b334a45a8ff 86 void RZ_A1_InitClock(void)
bogdanm 0:9b334a45a8ff 87 {
bogdanm 0:9b334a45a8ff 88 /* Cancel L2C standby status before clock change */
bogdanm 0:9b334a45a8ff 89 L2CREG15_POWER_CTRL = 0x00000001;
bogdanm 0:9b334a45a8ff 90
bogdanm 0:9b334a45a8ff 91 /* Clock settings */
bogdanm 0:9b334a45a8ff 92 /* ClockMode0 */
bogdanm 0:9b334a45a8ff 93 CPG.FRQCR = 0x1035; /* CPU Clock =399.99MHz */
bogdanm 0:9b334a45a8ff 94 CPG.FRQCR2 = 0x0001; /* G Clock =266.66MHz */
bogdanm 0:9b334a45a8ff 95
bogdanm 0:9b334a45a8ff 96 return;
bogdanm 0:9b334a45a8ff 97 }
bogdanm 0:9b334a45a8ff 98
bogdanm 0:9b334a45a8ff 99 /**************************************************************************//**
bogdanm 0:9b334a45a8ff 100 * Function Name: RZ_A1_IsClockMode0
bogdanm 0:9b334a45a8ff 101 * @brief Query Clock Mode
bogdanm 0:9b334a45a8ff 102 *
bogdanm 0:9b334a45a8ff 103 * Description:<br>
bogdanm 0:9b334a45a8ff 104 * Answer ClockMode0 or not
bogdanm 0:9b334a45a8ff 105 * @param none
bogdanm 0:9b334a45a8ff 106 * @retval true : clock mode 0
bogdanm 0:9b334a45a8ff 107 * @retval false : clock mode 1
bogdanm 0:9b334a45a8ff 108 ******************************************************************************/
bogdanm 0:9b334a45a8ff 109 int RZ_A1_IsClockMode0(void)
bogdanm 0:9b334a45a8ff 110 {
bogdanm 0:9b334a45a8ff 111 /* ClockMode0 */
bogdanm 0:9b334a45a8ff 112 return true;
bogdanm 0:9b334a45a8ff 113 }
bogdanm 0:9b334a45a8ff 114
bogdanm 0:9b334a45a8ff 115 /**************************************************************************//**
bogdanm 0:9b334a45a8ff 116 * Function Name: RZ_A1_InitBus
bogdanm 0:9b334a45a8ff 117 * @brief Initialize Bus
bogdanm 0:9b334a45a8ff 118 *
bogdanm 0:9b334a45a8ff 119 * Description:<br>
bogdanm 0:9b334a45a8ff 120 * Initialize Pin Setting
bogdanm 0:9b334a45a8ff 121 * @param none
bogdanm 0:9b334a45a8ff 122 * @retval none
bogdanm 0:9b334a45a8ff 123 ******************************************************************************/
bogdanm 0:9b334a45a8ff 124 void RZ_A1_InitBus(void)
bogdanm 0:9b334a45a8ff 125 {
bogdanm 0:9b334a45a8ff 126 /*************************************************************************/
bogdanm 0:9b334a45a8ff 127 /* If need Pin Setting before run program, the setting will be wrote here*/
bogdanm 0:9b334a45a8ff 128 /*************************************************************************/
bogdanm 0:9b334a45a8ff 129
bogdanm 0:9b334a45a8ff 130 return;
bogdanm 0:9b334a45a8ff 131 }
bogdanm 0:9b334a45a8ff 132
bogdanm 0:9b334a45a8ff 133 /******************************************************************************
bogdanm 0:9b334a45a8ff 134 End of file
bogdanm 0:9b334a45a8ff 135 ******************************************************************************/