mirror of https://github.com/ARMmbed/mbed-os.git
151 lines
5.9 KiB
C
151 lines
5.9 KiB
C
/**************************************************************************//**
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* @file ebi.h
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* @version V1.00
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* $Revision: 4 $
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* $Date: 14/09/30 4:21p $
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* @brief Nano100 Series Flash Memory Controller Driver Header File
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*
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* @note
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* Copyright (C) 2014 Nuvoton Technology Corp. All rights reserved.
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*
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******************************************************************************/
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#ifndef __EBI_H__
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#define __EBI_H__
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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/** @addtogroup NANO100_Device_Driver NANO100 Device Driver
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@{
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*/
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/** @addtogroup NANO100_EBI_Driver EBI Driver
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@{
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*/
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/** @addtogroup NANO100_EBI_EXPORTED_CONSTANTS EBI Exported Constants
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@{
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*/
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/*---------------------------------------------------------------------------------------------------------*/
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/* Define Base Address */
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/*---------------------------------------------------------------------------------------------------------*/
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#define EBI_BASE_ADDR 0x60000000 /*!< EBI base address */
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#define EBI_MAX_SIZE 0x20000 /*!< Maximum size of EBI bank */
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#define EBI_TIMEOUT_COUNT 0x10000 /*!< Time-out value */
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/* Constants for EBI data bus width */
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#define EBI_BUSWIDTH_8BIT 8 /*!< EBI bus width is 8-bit */
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#define EBI_BUSWIDTH_16BIT 16 /*!< EBI bus width is 16-bit */
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/*---------------------------------------------------------------------------------------------------------*/
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/* EBI MCLK divider */
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/*---------------------------------------------------------------------------------------------------------*/
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#define EBI_MCLKDIV_1 0 /*!< MCLK divided by 1 */
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#define EBI_MCLKDIV_2 1 /*!< MCLK divided by 2 */
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#define EBI_MCLKDIV_4 2 /*!< MCLK divided by 4 */
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#define EBI_MCLKDIV_8 3 /*!< MCLK divided by 8 */
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#define EBI_MCLKDIV_16 4 /*!< MCLK divided by 16 */
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#define EBI_MCLKDIV_32 5 /*!< MCLK divided by 32 */
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/*---------------------------------------------------------------------------------------------------------*/
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/* EBI timing setting */
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/*---------------------------------------------------------------------------------------------------------*/
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#define EBI_TIMING_FASTEST 0x0 /*!< EBI timing is the fastest */
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#define EBI_TIMING_VERYFAST 0x1 /*!< EBI timing is the very fast */
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#define EBI_TIMING_FAST 0x2 /*!< EBI timing is the fast */
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#define EBI_TIMING_NORMAL 0x3 /*!< EBI timing is the normal */
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#define EBI_TIMING_SLOW 0x4 /*!< EBI timing is the slow */
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#define EBI_TIMING_VERYSLOW 0x5 /*!< EBI timing is the very slow */
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#define EBI_TIMING_SLOWEST 0x6 /*!< EBI timing is the slowest */
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/*@}*/ /* end of group NANO100_EBI_EXPORTED_CONSTANTS */
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/** @addtogroup NANO100_EBI_EXPORTED_FUNCTIONS EBI Exported Functions
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@{
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*/
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/*---------------------------------------------------------------------------------------------------------*/
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/* EBI access macros */
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/*---------------------------------------------------------------------------------------------------------*/
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/**
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* @brief Read one byte data from EBI.
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* @param[in] Addr EBI offset address.
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* @return Byte data read from EBI.
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* \hideinitializer
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*/
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#define EBI_READ_DATA8(Addr) *((volatile unsigned char *)(EBI_BASE_ADDR+Addr))
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/**
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* @brief Write one byte data to EBI.
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* @param[in] Addr EBI offset address.
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* @param[in] Data Byte data to be written.
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* @return None
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* \hideinitializer
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*/
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#define EBI_WRITE_DATA8(Addr, Data) *((volatile unsigned char *)(EBI_BASE_ADDR+Addr))=Data
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/**
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* @brief Read a half-word data from EBI.
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* @param[in] Addr EBI offset address.
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* @return Half-word data read from EBI.
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* \hideinitializer
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*/
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#define EBI_READ_DATA16(Addr) *((volatile unsigned short *)(EBI_BASE_ADDR+Addr))
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/**
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* @brief Write a half-word data to EBI.
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* @param[in] Addr EBI offset address.
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* @param[in] Data Half-word data to be written.
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* @return None
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* \hideinitializer
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*/
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#define EBI_WRITE_DATA16(Addr, Data) *((volatile unsigned short *)(EBI_BASE_ADDR+Addr))=Data
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/**
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* @brief Read a word data from EBI.
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* @param[in] Addr EBI offset address.
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* @return Word data read from EBI.
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* \hideinitializer
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*/
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#define EBI_READ_DATA32(Addr) *((volatile unsigned int *)(EBI_BASE_ADDR+Addr))
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/**
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* @brief Write a word data to EBI.
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* @param[in] Addr EBI offset address.
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* @param[in] Data Word data to be written.
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* @return None
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* \hideinitializer
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*/
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#define EBI_WRITE_DATA32(Addr, Data) *((volatile unsigned int *)(EBI_BASE_ADDR+Addr))=Data
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/*---------------------------------------------------------------------------------------------------------*/
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/* Functions */
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/*---------------------------------------------------------------------------------------------------------*/
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void EBI_Open(uint32_t u32Bank, uint32_t u32DataWidth, uint32_t u32TimingClass, uint32_t u32BusMode, uint32_t u32CSActiveLevel);
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void EBI_Close(uint8_t u32Bank);
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void EBI_SetBusTiming(uint32_t u32Bank, uint32_t u32TimingConfig, uint32_t u32MclkDiv);
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/*@}*/ /* end of group NANO100_EBI_EXPORTED_FUNCTIONS */
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/*@}*/ /* end of group NANO100_EBI_Driver */
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/*@}*/ /* end of group NANO100_Device_Driver */
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#ifdef __cplusplus
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}
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#endif
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#endif // __EBI_H__
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/*** (C) COPYRIGHT 2014 Nuvoton Technology Corp. ***/
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