/**
*******************************************************************************
* @file txz_flash.c
* @brief This file provides API functions for driver common part.
* @version V1.0.0
*
* DO NOT USE THIS SOFTWARE WITHOUT THE SOFTWARE LICENSE AGREEMENT.
*
* Copyright(C) TOSHIBA ELECTRONIC DEVICES & STORAGE CORPORATION 2021
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*******************************************************************************
*/
#ifdef __cplusplus
extern "C" {
#endif
/*------------------------------------------------------------------------------*/
/* Includes */
/*------------------------------------------------------------------------------*/
#include "txz_flash.h"
#if defined(__FLASH_H)
/**
* @addtogroup Periph_Driver
* @{
*/
/**
* @addtogroup FLASH
* @{
*/
/*------------------------------------------------------------------------------*/
/* Macro Function */
/*------------------------------------------------------------------------------*/
/**
* @defgroup FLASH_Private_macro FLASH Private Macro
* @{
*/
/* no define */
/**
* @}
*/ /* End of group FLASH_Private_macro */
/*------------------------------------------------------------------------------*/
/* Configuration */
/*------------------------------------------------------------------------------*/
/**
* @defgroup FLASH_Private_define FLASH Private Define
* @{
*/
/* no define */
/**
* @}
*/ /* End of group FLASH_Private_define */
/*------------------------------------------------------------------------------*/
/* Macro Definition */
/*------------------------------------------------------------------------------*/
/**
* @defgroup FLASH_Private_define FLASH Private Define
* @{
*/
/**
* @defgroup wait Configuration
* @brief wait Configuration.
* @{
*/
/* FC ACCR setting configration */
#define FC_KCR_KEYCODE (0xA74A9D23UL) /*!< The specific code that writes the FCKCR register. */
#define FC_ACCR_CODE_7CLK (0x00000006UL) /*!< 7clock(less than 200MHZ). */
#define FC_ACCR_CODE_6CLK (0x00000005UL) /*!< 6clock(less than 160MHZ). */
#define FC_ACCR_CODE_5CLK (0x00000004UL) /*!< 5clock(less than 120MHZ). */
#define FC_ACCR_CODE_4CLK (0x00000003UL) /*!< 4clock(less than 100MHZ). */
#define FC_ACCR_CODE_3CLK (0x00000002UL) /*!< 3clock(less than 80MHZ). */
#define FC_ACCR_200MHZ (200000000UL) /*!< 200MHZ */
#define FC_ACCR_160MHZ (160000000UL) /*!< 160MHZ */
#define FC_ACCR_120MHZ (120000000UL) /*!< 120MHZ */
#define FC_ACCR_100MHZ (100000000UL) /*!< 100MHZ */
#define FC_ACCR_80MHZ ( 80000000UL) /*!< 80MHZ */
#define FC_ACCR_DATA (FC_ACCR_DATA_7CLK)
#define FC_ACCR_DATA_7CLK (0x00000600UL) /*!< 7clock(Must). */
/**
* @}
*/ /* End of group waitConfiguration */
/* no define */
/**
* @}
*/ /* End of group FLASH_Private_define */
/*------------------------------------------------------------------------------*/
/* Enumerated Type Definition */
/*------------------------------------------------------------------------------*/
/**
* @defgroup FLASH_Private_define FLASH Private Define
* @{
*/
/* no define */
/**
* @}
*/ /* End of group FLASH_Private_define */
/*------------------------------------------------------------------------------*/
/* Structure Definition */
/*------------------------------------------------------------------------------*/
/**
* @defgroup FLASH_Private_typedef FLASH Private Typedef
* @{
*/
/* no define */
/**
* @}
*/ /* End of group FLASH_Private_typedef */
/*------------------------------------------------------------------------------*/
/* Private Function */
/*------------------------------------------------------------------------------*/
/**
* @defgroup FLASH_Private_fuctions FLASH Private Fuctions
* @{
*/
/**
* @}
*/ /* End of group FLASH_Private_functions */
/*------------------------------------------------------------------------------*/
/* Public Function */
/*------------------------------------------------------------------------------*/
/**
* @addtogroup FLASH_Exported_functions
* @{
*/
/*--------------------------------------------------*/
/**
* @brief Raed clock set.
* @param none.
* @retval none.
* @note It works in the inner RAM.
*/
/*--------------------------------------------------*/
void fc_read_clock_set(uint32_t sysclock)
{
uint32_t regval = 0;
if (sysclock <= FC_ACCR_80MHZ) { /* less than 80MHZ */
regval = (uint32_t)(FC_ACCR_CODE_3CLK | FC_ACCR_DATA);
TSB_FC->KCR = FC_KCR_KEYCODE;
TSB_FC->ACCR = regval;
while (TSB_FC->ACCR != (uint32_t)(FC_ACCR_CODE_3CLK | FC_ACCR_DATA)) {
}
} else if (sysclock <= FC_ACCR_100MHZ) { /* less than 100MHZ */
regval = (uint32_t)(FC_ACCR_CODE_4CLK | FC_ACCR_DATA);
TSB_FC->KCR = FC_KCR_KEYCODE;
TSB_FC->ACCR = regval;
while (TSB_FC->ACCR != (uint32_t)(FC_ACCR_CODE_4CLK | FC_ACCR_DATA)) {
}
} else if (sysclock <= FC_ACCR_120MHZ) { /* less than 120MHZ */
regval = (uint32_t)(FC_ACCR_CODE_5CLK | FC_ACCR_DATA);
TSB_FC->KCR = FC_KCR_KEYCODE;
TSB_FC->ACCR = regval;
while (TSB_FC->ACCR != (uint32_t)(FC_ACCR_CODE_5CLK | FC_ACCR_DATA)) {
}
} else if (sysclock <= FC_ACCR_160MHZ) { /* less than 160MHZ */
regval = (uint32_t)(FC_ACCR_CODE_6CLK | FC_ACCR_DATA);
TSB_FC->KCR = FC_KCR_KEYCODE;
TSB_FC->ACCR = regval;
while (TSB_FC->ACCR != (uint32_t)(FC_ACCR_CODE_6CLK | FC_ACCR_DATA)) {
}
} else if (sysclock <= FC_ACCR_200MHZ) { /* less than 200MHZ */
regval = (uint32_t)(FC_ACCR_CODE_7CLK | FC_ACCR_DATA);
TSB_FC->KCR = FC_KCR_KEYCODE;
TSB_FC->ACCR = regval;
while (TSB_FC->ACCR != (uint32_t)(FC_ACCR_CODE_7CLK | FC_ACCR_DATA)) {
/* no processing */
}
} else {
/* no processing */
}
}
/**
* @}
*/ /* End of group FLASH_Exported_functions */
/**
* @}
*/ /* End of group FLASH */
/**
* @}
*/ /* End of group Periph_Driver */
#endif /* defined(__FLASH_H) */
#ifdef __cplusplus
}
#endif /* __cplusplus */
