/******************************************************************************* | |
* DISCLAIMER | |
* This software is supplied by Renesas Electronics Corporation and is only | |
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* LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE | |
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* | |
* Copyright (C) 2014 Renesas Electronics Corporation. All rights reserved. | |
***********************************************************************************************************************/ | |
/*********************************************************************************************************************** | |
* System Name : RZ/T1 Init program | |
* File Name : r_atcm_init.c | |
* Version : 0.1 | |
* Device : R7S910018 | |
* Abstract : API for ATCM function | |
* Tool-Chain : GNUARM-NONEv14.02-EABI | |
* OS : not use | |
* H/W Platform : Renesas Starter Kit for RZ/T1(Preliminary) | |
* Description : ATCM access wait setting API of RZ/T1 | |
* Limitation : This wait setting could not be executed in ATCM program area. | |
***********************************************************************************************************************/ | |
/*********************************************************************************************************************** | |
* History : DD.MM.YYYY Version Description | |
* : 21.05.2015 1.00 First Release | |
***********************************************************************************************************************/ | |
/*********************************************************************************************************************** | |
Includes <System Includes> , "Project Includes" | |
***********************************************************************************************************************/ | |
#include <stdint.h> | |
#include "iodefine.h" | |
#include "r_system.h" | |
#include "r_atcm_init.h" | |
#include "r_typedefs.h" | |
/*********************************************************************************************************************** | |
Macro definitions | |
***********************************************************************************************************************/ | |
#define ATCM_WRITE_ENABLE (0x0000A508) | |
#define ATCM_WRITE_DISABLE (0x0000A500) | |
/*********************************************************************************************************************** | |
Typedef definitions | |
***********************************************************************************************************************/ | |
/*********************************************************************************************************************** | |
Imported global variables and functions (from other files) | |
***********************************************************************************************************************/ | |
/*********************************************************************************************************************** | |
Exported global variables and functions (to be accessed by other files) | |
***********************************************************************************************************************/ | |
/*********************************************************************************************************************** | |
Private variables and functions | |
***********************************************************************************************************************/ | |
/*********************************************************************************************************************** | |
* Function Name : R_ATCM_WaitSet | |
* Description : Sets ATCM access wait. | |
* Arguments : atcm_wait | |
* Wait settings for ATCM access | |
* Return Value : none | |
***********************************************************************************************************************/ | |
void R_ATCM_WaitSet(uint32_t atcm_wait) | |
{ | |
volatile uint32_t dummy=0; | |
UNUSED_VARIABLE(dummy); | |
/* Enables writing to the ATCM register */ | |
SYSTEM.PRCR.LONG = ATCM_WRITE_ENABLE; | |
dummy = SYSTEM.PRCR.LONG; | |
/* Sets ATCM access wait to atcm_wait value */ | |
SYSTEM.SYTATCMWAIT.LONG = atcm_wait; | |
/* Disables writing to the ATCM register */ | |
SYSTEM.PRCR.LONG = ATCM_WRITE_DISABLE; | |
dummy = SYSTEM.PRCR.LONG; | |
} | |
/*********************************************************************************************************************** | |
End of function R_ATCM_WaitSet | |
***********************************************************************************************************************/ | |
/* End of File */ | |