115 lines
4.5 KiB
C
115 lines
4.5 KiB
C
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/**************************************************************************//**
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* @file ebi.h
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* @version V3.00
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* $Revision: 4 $
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* $Date: 14/01/28 10:49a $
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* @brief M051 series EBI driver header file
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*
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* @note
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* Copyright (C) 2013 Nuvoton Technology Corp. All rights reserved.
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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 M051_Device_Driver M051 Device Driver
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@{
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*/
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/** @addtogroup M051_EBI_Driver EBI Driver
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@{
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*/
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/** @addtogroup M051_EBI_EXPORTED_CONSTANTS EBI Exported Constants
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@{
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*/
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/*---------------------------------------------------------------------------------------------------------*/
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/* Miscellaneous Constant Definitions */
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/*---------------------------------------------------------------------------------------------------------*/
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#define EBI_BASE_ADDR 0x60000000UL /*!< EBI base address */
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#define EBI_MAX_SIZE 0x00020000UL /*!< Maximum EBI size */
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/*---------------------------------------------------------------------------------------------------------*/
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/* Constants for EBI data bus width */
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/*---------------------------------------------------------------------------------------------------------*/
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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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/* Constants for EBI MCLK divider and Timing */
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/*---------------------------------------------------------------------------------------------------------*/
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#define EBI_MCLKDIV_1 0x0UL /*!< EBI output clock(MCLK) is HCLK/1 */
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#define EBI_MCLKDIV_2 0x1UL /*!< EBI output clock(MCLK) is HCLK/2 */
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#define EBI_MCLKDIV_4 0x2UL /*!< EBI output clock(MCLK) is HCLK/4 */
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#define EBI_MCLKDIV_8 0x3UL /*!< EBI output clock(MCLK) is HCLK/8 */
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#define EBI_MCLKDIV_16 0x4UL /*!< EBI output clock(MCLK) is HCLK/16 */
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#define EBI_MCLKDIV_32 0x5UL /*!< EBI output clock(MCLK) is HCLK/32 */
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#define EBI_TIMING_FASTEST 0x0UL /*!< EBI timing is the fastest */
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#define EBI_TIMING_VERYFAST 0x1UL /*!< EBI timing is very fast */
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#define EBI_TIMING_FAST 0x2UL /*!< EBI timing is fast */
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#define EBI_TIMING_NORMAL 0x3UL /*!< EBI timing is normal */
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#define EBI_TIMING_SLOW 0x4UL /*!< EBI timing is slow */
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#define EBI_TIMING_VERYSLOW 0x5UL /*!< EBI timing is very slow */
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#define EBI_TIMING_SLOWEST 0x6UL /*!< EBI timing is the slowest */
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/*@}*/ /* end of group M051_EBI_EXPORTED_CONSTANTS */
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/** @addtogroup M051_EBI_EXPORTED_FUNCTIONS EBI Exported Functions
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@{
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*/
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/**
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* @details This macro read 8-bit data from specify EBI address.
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*/
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#define EBI_READ_DATA8(u32Addr) (*((volatile unsigned char *)(EBI_BASE_ADDR+u32Addr)))
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/**
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* @details This macro write 8-bit data to specify EBI address.
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*/
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#define EBI_WRITE_DATA8(u32Addr, u32Data) (*((volatile unsigned char *)(EBI_BASE_ADDR+u32Addr)) = u32Data)
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/**
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* @details This macro read 16-bit data from specify EBI address.
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*/
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#define EBI_READ_DATA16(u32Addr) (*((volatile unsigned short *)(EBI_BASE_ADDR+u32Addr)))
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/**
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* @details This macro write 16-bit data to specify EBI address.
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*/
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#define EBI_WRITE_DATA16(u32Addr, u32Data) (*((volatile unsigned short *)(EBI_BASE_ADDR+u32Addr)) = u32Data)
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/**
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* @details This macro read 32-bit data from specify EBI address.
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*/
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#define EBI_READ_DATA32(u32Addr) (*((volatile unsigned int *)(EBI_BASE_ADDR+u32Addr)))
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/**
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* @details This macro write 32-bit data to specify EBI address.
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*/
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#define EBI_WRITE_DATA32(u32Addr, u32Data) (*((volatile unsigned int *)(EBI_BASE_ADDR+u32Addr)) = u32Data)Write 32-bit data to EBI bank 0
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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(uint32_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 M051_EBI_EXPORTED_FUNCTIONS */
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/*@}*/ /* end of group M051_EBI_Driver */
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/*@}*/ /* end of group M051_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 2013 Nuvoton Technology Corp. ***/
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