blob: b580867de1f77a4b7b5b2c52916df78d2d57cc39 [file] [log] [blame]
/***********************************************************************************************************************
* DISCLAIMER
* This software is supplied by Renesas Electronics Corporation and is only
* intended for use with Renesas products. No other uses are authorized. This
* software is owned by Renesas Electronics Corporation and is protected under
* all applicable laws, including copyright laws.
* THIS SOFTWARE IS PROVIDED "AS IS" AND RENESAS MAKES NO WARRANTIES REGARDING
* THIS SOFTWARE, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING BUT NOT
* LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
* AND NON-INFRINGEMENT. ALL SUCH WARRANTIES ARE EXPRESSLY DISCLAIMED.
* TO THE MAXIMUM EXTENT PERMITTED NOT PROHIBITED BY LAW, NEITHER RENESAS
* ELECTRONICS CORPORATION NOR ANY OF ITS AFFILIATED COMPANIES SHALL BE LIABLE
* FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR
* ANY REASON RELATED TO THIS SOFTWARE, EVEN IF RENESAS OR ITS AFFILIATES HAVE
* BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
* Renesas reserves the right, without notice, to make changes to this software
* and to discontinue the availability of this software. By using this software,
* you agree to the additional terms and conditions found by accessing the
* following link:
* http://www.renesas.com/disclaimer
*
* Copyright (C) 2013 Renesas Electronics Corporation. All rights reserved.
***********************************************************************************************************************/
/***********************************************************************************************************************
* File Name : r_cg_cgc.c
* Version : Applilet4 for RX64M V1.00.00.00 [02 Aug 2013]
* Device(s) : R5F564MLHxFC
* Tool-Chain : CCRX
* Description : This file implements device driver for CGC module.
* Creation Date: 07/02/2014
***********************************************************************************************************************/
/***********************************************************************************************************************
Pragma directive
***********************************************************************************************************************/
/* Start user code for pragma. Do not edit comment generated here */
/* End user code. Do not edit comment generated here */
/***********************************************************************************************************************
Includes
***********************************************************************************************************************/
#include "r_cg_macrodriver.h"
#include "r_cg_cgc.h"
/* Start user code for include. Do not edit comment generated here */
/* End user code. Do not edit comment generated here */
#include "r_cg_userdefine.h"
/***********************************************************************************************************************
Global variables and functions
***********************************************************************************************************************/
/* Start user code for global. Do not edit comment generated here */
/* End user code. Do not edit comment generated here */
/***********************************************************************************************************************
* Function Name: R_CGC_Create
* Description : This function initializes the clock generator.
* Arguments : None
* Return Value : None
***********************************************************************************************************************/
void R_CGC_Create(void)
{
/* Set main clock control registers */
SYSTEM.MOFCR.BYTE = _00_CGC_MAINOSC_RESONATOR | _00_CGC_MAINOSC_UNDER24M;
SYSTEM.MOSCWTCR.BYTE = _52_CGC_MOSCWTCR_VALUE;
/* Set main clock operation */
SYSTEM.MOSCCR.BIT.MOSTP = 0U;
/* Wait for main clock oscillator wait counter overflow */
while (1U != SYSTEM.OSCOVFSR.BIT.MOOVF);
/* Set system clock */
SYSTEM.SCKCR.LONG = _00000001_CGC_PCLKD_DIV_2 | _00000010_CGC_PCLKC_DIV_2 | _00000100_CGC_PCLKB_DIV_2 |
_00001000_CGC_PCLKA_DIV_2 | _00010000_CGC_BCLK_DIV_2 | _01000000_CGC_ICLK_DIV_2 |
_10000000_CGC_FCLK_DIV_2;
/* Set PLL circuit */
SYSTEM.PLLCR2.BIT.PLLEN = 0U;
SYSTEM.PLLCR.BIT.PLLSRCSEL = 0U;
SYSTEM.PLLCR.WORD = _0001_CGC_PLL_FREQ_DIV_2 | _1300_CGC_PLL_FREQ_MUL_10_0;
/* Wait for PLL wait counter overflow */
while (1U != SYSTEM.OSCOVFSR.BIT.PLOVF);
/* Disable sub-clock */
SYSTEM.SOSCCR.BIT.SOSTP = 1U;
/* Wait for the register modification to complete */
while (1U != SYSTEM.SOSCCR.BIT.SOSTP);
/* Set LOCO */
SYSTEM.LOCOCR.BIT.LCSTP = 0U;
/* Set UCLK */
SYSTEM.SCKCR2.WORD = _0020_CGC_UCLK_DIV_3;
/* Set SDCLK */
SYSTEM.SCKCR.BIT.PSTOP0 = 1U;
/* Set clock source */
SYSTEM.SCKCR3.WORD = _0400_CGC_CLOCKSOURCE_PLL;
}
/* Start user code for adding. Do not edit comment generated here */
/* End user code. Do not edit comment generated here */