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/**************************************************************************//**
* @file ebi.h
* @brief EBI driver header file
*
* SPDX-License-Identifier: Apache-2.0
* @copyright (C) 2018 Nuvoton Technology Corp. All rights reserved.
*****************************************************************************/
#ifndef __NU_EBI_H__
#define __NU_EBI_H__
#ifdef __cplusplus
extern "C"
{
#endif
#include "nuc980.h"
/** @addtogroup Standard_Driver Standard Driver
@{
*/
/** @addtogroup EBI_Driver EBI Driver
@{
*/
/** @addtogroup EBI_EXPORTED_CONSTANTS EBI Exported Constants
@{
*/
#define EBI ((EBI_T *) EBI_BA)
/*---------------------- External Bus Interface Controller -------------------------*/
/**
@addtogroup EBI External Bus Interface Controller(EBI)
Memory Mapped Structure for EBI Controller
@{ */
typedef struct
{
__IO uint32_t CTL0; /* Offset: 0x00 External Bus Interface Bank0 Control Register */
__IO uint32_t TCTL0; /* Offset: 0x04 External Bus Interface Bank0 Timing Control Register */
__I uint32_t RESERVE0[2];
__IO uint32_t CTL1; /* Offset: 0x10 External Bus Interface Bank1 Control Register */
__IO uint32_t TCTL1; /* Offset: 0x14 External Bus Interface Bank1 Timing Control Register */
__I uint32_t RESERVE1[2];
__IO uint32_t CTL2; /* Offset: 0x20 External Bus Interface Bank1 Control Register */
__IO uint32_t TCTL2; /* Offset: 0x24 External Bus Interface Bank1 Timing Control Register */
} EBI_T;
/**
@addtogroup EBI_CONST EBI Bit Field Definition
Constant Definitions for EBI Controller
@{ */
#define EBI_CTL_EN_Pos (0) /*!< EBI_T::CTL: EN Position \hideinitializer */
#define EBI_CTL_EN_Msk (0x1ul << EBI_CTL_EN_Pos) /*!< EBI_T::CTL: EN Mask \hideinitializer */
#define EBI_CTL_DW16_Pos (1) /*!< EBI_T::CTL: DW16 Position \hideinitializer */
#define EBI_CTL_DW16_Msk (0x1ul << EBI_CTL_DW16_Pos) /*!< EBI_T::CTL: DW16 Mask \hideinitializer */
#define EBI_CTL_CSPOLINV_Pos (2) /*!< EBI_T::CTL: CSPOLINV Position \hideinitializer */
#define EBI_CTL_CSPOLINV_Msk (0x1ul << EBI_CTL_CSPOLINV_Pos) /*!< EBI_T::CTL: CSPOLINV Mask \hideinitializer */
#define EBI_CTL_CACCESS_Pos (4) /*!< EBI EBICON: CS_PINV Position \hideinitializer */
#define EBI_CTL_CACCESS_Msk (1ul << EBI_CTL_CACCESS_Pos) /*!< EBI EBICON: CS_PINV Mask \hideinitializer */
#define EBI_CTL_MCLKDIV_Pos (8) /*!< EBI_T::CTL: MCLKDIV Position \hideinitializer */
#define EBI_CTL_MCLKDIV_Msk (0x7ul << EBI_CTL_MCLKDIV_Pos) /*!< EBI_T::CTL: MCLKDIV Mask \hideinitializer */
#define EBI_CTL_WBUFEN_Pos (24) /*!< EBI_T::CTL: WBUFEN Position \hideinitializer */
#define EBI_CTL_WBUFEN_Msk (0x1ul << EBI_CTL_WBUFEN_Pos) /*!< EBI_T::CTL: WBUFEN Mask \hideinitializer */
#define EBI_TCTL_TACC_Pos (3) /*!< EBI_T::TCTL: TACC Position \hideinitializer */
#define EBI_TCTL_TACC_Msk (0x1ful << EBI_TCTL_TACC_Pos) /*!< EBI_T::TCTL: TACC Mask \hideinitializer */
#define EBI_TCTL_TAHD_Pos (8) /*!< EBI_T::TCTL: TAHD Position \hideinitializer */
#define EBI_TCTL_TAHD_Msk (0x7ul << EBI_TCTL_TAHD_Pos) /*!< EBI_T::TCTL: TAHD Mask \hideinitializer */
#define EBI_TCTL_W2X_Pos (12) /*!< EBI_T::TCTL: W2X Position \hideinitializer */
#define EBI_TCTL_W2X_Msk (0xful << EBI_TCTL_W2X_Pos) /*!< EBI_T::TCTL: W2X Mask \hideinitializer */
#define EBI_TCTL_RAHDOFF_Pos (22) /*!< EBI_T::TCTL: RAHDOFF Position \hideinitializer */
#define EBI_TCTL_RAHDOFF_Msk (0x1ul << EBI_TCTL_RAHDOFF_Pos) /*!< EBI_T::TCTL: RAHDOFF Mask \hideinitializer */
#define EBI_TCTL_WAHDOFF_Pos (23) /*!< EBI_T::TCTL: WAHDOFF Position \hideinitializer */
#define EBI_TCTL_WAHDOFF_Msk (0x1ul << EBI_TCTL_WAHDOFF_Pos) /*!< EBI_T::TCTL: WAHDOFF Mask \hideinitializer */
#define EBI_TCTL_R2R_Pos (24) /*!< EBI_T::TCTL: R2R Position \hideinitializer */
#define EBI_TCTL_R2R_Msk (0xful << EBI_TCTL_R2R_Pos) /*!< EBI_T::TCTL: R2R Mask \hideinitializer */
/**@}*/ /* EBI_CONST */
/**@}*/ /* end of EBI register group */
/*---------------------------------------------------------------------------------------------------------*/
/* Miscellaneous Constant Definitions */
/*---------------------------------------------------------------------------------------------------------*/
#define EBI_BANK0_BASE_ADDR 0x60000000UL /*!< EBI bank0 base address \hideinitializer */
#define EBI_BANK1_BASE_ADDR 0x60100000UL /*!< EBI bank1 base address \hideinitializer */
#define EBI_BANK2_BASE_ADDR 0x60200000UL /*!< EBI bank2 base address \hideinitializer */
#define EBI_MAX_SIZE 0x00100000UL /*!< Maximum EBI size for each bank is 1 MB \hideinitializer */
/*---------------------------------------------------------------------------------------------------------*/
/* Constants for EBI bank number */
/*---------------------------------------------------------------------------------------------------------*/
#define EBI_BANK0 0UL /*!< EBI bank 0 \hideinitializer */
#define EBI_BANK1 1UL /*!< EBI bank 1 \hideinitializer */
#define EBI_BANK2 2UL /*!< EBI bank 2 \hideinitializer */
/*---------------------------------------------------------------------------------------------------------*/
/* Constants for EBI data bus width */
/*---------------------------------------------------------------------------------------------------------*/
#define EBI_BUSWIDTH_8BIT 8UL /*!< EBI bus width is 8-bit \hideinitializer */
#define EBI_BUSWIDTH_16BIT 16UL /*!< EBI bus width is 16-bit \hideinitializer */
/*---------------------------------------------------------------------------------------------------------*/
/* Constants for EBI CS Active Level */
/*---------------------------------------------------------------------------------------------------------*/
#define EBI_CS_ACTIVE_LOW 0UL /*!< EBI CS active level is low \hideinitializer */
#define EBI_CS_ACTIVE_HIGH 1UL /*!< EBI CS active level is high \hideinitializer */
/*---------------------------------------------------------------------------------------------------------*/
/* Constants for EBI MCLK divider and Timing */
/*---------------------------------------------------------------------------------------------------------*/
#define EBI_MCLKDIV_1 0x0UL /*!< EBI output clock(MCLK) is HCLK/1 \hideinitializer */
#define EBI_MCLKDIV_2 0x1UL /*!< EBI output clock(MCLK) is HCLK/2 \hideinitializer */
#define EBI_MCLKDIV_4 0x2UL /*!< EBI output clock(MCLK) is HCLK/4 \hideinitializer */
#define EBI_MCLKDIV_8 0x3UL /*!< EBI output clock(MCLK) is HCLK/8 \hideinitializer */
#define EBI_MCLKDIV_16 0x4UL /*!< EBI output clock(MCLK) is HCLK/16 \hideinitializer */
#define EBI_MCLKDIV_32 0x5UL /*!< EBI output clock(MCLK) is HCLK/32 \hideinitializer */
#define EBI_MCLKDIV_64 0x6UL /*!< EBI output clock(MCLK) is HCLK/64 \hideinitializer */
#define EBI_MCLKDIV_128 0x7UL /*!< EBI output clock(MCLK) is HCLK/128 \hideinitializer */
#define EBI_TIMING_FASTEST 0x0UL /*!< EBI timing is the fastest \hideinitializer */
#define EBI_TIMING_VERYFAST 0x1UL /*!< EBI timing is very fast \hideinitializer */
#define EBI_TIMING_FAST 0x2UL /*!< EBI timing is fast \hideinitializer */
#define EBI_TIMING_NORMAL 0x3UL /*!< EBI timing is normal \hideinitializer */
#define EBI_TIMING_SLOW 0x4UL /*!< EBI timing is slow \hideinitializer */
#define EBI_TIMING_VERYSLOW 0x5UL /*!< EBI timing is very slow \hideinitializer */
#define EBI_TIMING_SLOWEST 0x6UL /*!< EBI timing is the slowest \hideinitializer */
#define EBI_OPMODE_NORMAL 0x0UL /*!< EBI bus operate in normal mode \hideinitializer */
#define EBI_OPMODE_CACCESS (0x1UL << 4) /*!< EBI bus operate in Continuous Data Access mode \hideinitializer */
/*@}*/ /* end of group EBI_EXPORTED_CONSTANTS */
/** @addtogroup EBI_EXPORTED_FUNCTIONS EBI Exported Functions
@{
*/
/**
* @brief Read 8-bit data on EBI bank0
*
* @param[in] u32Addr The data address on EBI bank0.
*
* @return 8-bit Data
*
* @details This macro is used to read 8-bit data from specify address on EBI bank0.
* \hideinitializer
*/
#define EBI0_READ_DATA8(u32Addr) (*((volatile unsigned char *)(EBI_BANK0_BASE_ADDR+(u32Addr))))
/**
* @brief Write 8-bit data to EBI bank0
*
* @param[in] u32Addr The data address on EBI bank0.
* @param[in] u32Data Specify data to be written.
*
* @return None
*
* @details This macro is used to write 8-bit data to specify address on EBI bank0.
* \hideinitializer
*/
#define EBI0_WRITE_DATA8(u32Addr, u32Data) (*((volatile unsigned char *)(EBI_BANK0_BASE_ADDR+(u32Addr))) = (u32Data))
/**
* @brief Read 16-bit data on EBI bank0
*
* @param[in] u32Addr The data address on EBI bank0.
*
* @return 16-bit Data
*
* @details This macro is used to read 16-bit data from specify address on EBI bank0.
* \hideinitializer
*/
#define EBI0_READ_DATA16(u32Addr) (*((volatile unsigned short *)(EBI_BANK0_BASE_ADDR+(u32Addr))))
/**
* @brief Write 16-bit data to EBI bank0
*
* @param[in] u32Addr The data address on EBI bank0.
* @param[in] u32Data Specify data to be written.
*
* @return None
*
* @details This macro is used to write 16-bit data to specify address on EBI bank0.
* \hideinitializer
*/
#define EBI0_WRITE_DATA16(u32Addr, u32Data) (*((volatile unsigned short *)(EBI_BANK0_BASE_ADDR+(u32Addr))) = (u32Data))
/**
* @brief Read 32-bit data on EBI bank0
*
* @param[in] u32Addr The data address on EBI bank0.
*
* @return 32-bit Data
*
* @details This macro is used to read 32-bit data from specify address on EBI bank0.
* \hideinitializer
*/
#define EBI0_READ_DATA32(u32Addr) (*((volatile unsigned int *)(EBI_BANK0_BASE_ADDR+(u32Addr))))
/**
* @brief Write 32-bit data to EBI bank0
*
* @param[in] u32Addr The data address on EBI bank0.
* @param[in] u32Data Specify data to be written.
*
* @return None
*
* @details This macro is used to write 32-bit data to specify address on EBI bank0.
* \hideinitializer
*/
#define EBI0_WRITE_DATA32(u32Addr, u32Data) (*((volatile unsigned int *)(EBI_BANK0_BASE_ADDR+(u32Addr))) = (u32Data))
/**
* @brief Read 8-bit data on EBI bank1
*
* @param[in] u32Addr The data address on EBI bank1.
*
* @return 8-bit Data
*
* @details This macro is used to read 8-bit data from specify address on EBI bank1.
* \hideinitializer
*/
#define EBI1_READ_DATA8(u32Addr) (*((volatile unsigned char *)(EBI_BANK1_BASE_ADDR+(u32Addr))))
/**
* @brief Write 8-bit data to EBI bank1
*
* @param[in] u32Addr The data address on EBI bank1.
* @param[in] u32Data Specify data to be written.
*
* @return None
*
* @details This macro is used to write 8-bit data to specify address on EBI bank1.
* \hideinitializer
*/
#define EBI1_WRITE_DATA8(u32Addr, u32Data) (*((volatile unsigned char *)(EBI_BANK1_BASE_ADDR+(u32Addr))) = (u32Data))
/**
* @brief Read 16-bit data on EBI bank1
*
* @param[in] u32Addr The data address on EBI bank1.
*
* @return 16-bit Data
*
* @details This macro is used to read 16-bit data from specify address on EBI bank1.
* \hideinitializer
*/
#define EBI1_READ_DATA16(u32Addr) (*((volatile unsigned short *)(EBI_BANK1_BASE_ADDR+(u32Addr))))
/**
* @brief Write 16-bit data to EBI bank1
*
* @param[in] u32Addr The data address on EBI bank1.
* @param[in] u32Data Specify data to be written.
*
* @return None
*
* @details This macro is used to write 16-bit data to specify address on EBI bank1.
* \hideinitializer
*/
#define EBI1_WRITE_DATA16(u32Addr, u32Data) (*((volatile unsigned short *)(EBI_BANK1_BASE_ADDR+(u32Addr))) = (u32Data))
/**
* @brief Read 32-bit data on EBI bank1
*
* @param[in] u32Addr The data address on EBI bank1.
*
* @return 32-bit Data
*
* @details This macro is used to read 32-bit data from specify address on EBI bank1.
* \hideinitializer
*/
#define EBI1_READ_DATA32(u32Addr) (*((volatile unsigned int *)(EBI_BANK1_BASE_ADDR+(u32Addr))))
/**
* @brief Write 32-bit data to EBI bank1
*
* @param[in] u32Addr The data address on EBI bank1.
* @param[in] u32Data Specify data to be written.
*
* @return None
*
* @details This macro is used to write 32-bit data to specify address on EBI bank1.
* \hideinitializer
*/
#define EBI1_WRITE_DATA32(u32Addr, u32Data) (*((volatile unsigned int *)(EBI_BANK1_BASE_ADDR+(u32Addr))) = (u32Data))
/**
* @brief Read 8-bit data on EBI bank2
*
* @param[in] u32Addr The data address on EBI bank2.
*
* @return 8-bit Data
*
* @details This macro is used to read 8-bit data from specify address on EBI bank2.
* \hideinitializer
*/
#define EBI2_READ_DATA8(u32Addr) (*((volatile unsigned char *)(EBI_BANK2_BASE_ADDR+(u32Addr))))
/**
* @brief Write 8-bit data to EBI bank2
*
* @param[in] u32Addr The data address on EBI bank2.
* @param[in] u32Data Specify data to be written.
*
* @return None
*
* @details This macro is used to write 8-bit data to specify address on EBI bank2.
* \hideinitializer
*/
#define EBI2_WRITE_DATA8(u32Addr, u32Data) (*((volatile unsigned char *)(EBI_BANK2_BASE_ADDR+(u32Addr))) = (u32Data))
/**
* @brief Read 16-bit data on EBI bank2
*
* @param[in] u32Addr The data address on EBI bank2.
*
* @return 16-bit Data
*
* @details This macro is used to read 16-bit data from specify address on EBI bank2.
* \hideinitializer
*/
#define EBI2_READ_DATA16(u32Addr) (*((volatile unsigned short *)(EBI_BANK2_BASE_ADDR+(u32Addr))))
/**
* @brief Write 16-bit data to EBI bank2
*
* @param[in] u32Addr The data address on EBI bank2.
* @param[in] u32Data Specify data to be written.
*
* @return None
*
* @details This macro is used to write 16-bit data to specify address on EBI bank2.
* \hideinitializer
*/
#define EBI2_WRITE_DATA16(u32Addr, u32Data) (*((volatile unsigned short *)(EBI_BANK2_BASE_ADDR+(u32Addr))) = (u32Data))
/**
* @brief Read 32-bit data on EBI bank2
*
* @param[in] u32Addr The data address on EBI bank2.
*
* @return 32-bit Data
*
* @details This macro is used to read 32-bit data from specify address on EBI bank2.
* \hideinitializer
*/
#define EBI2_READ_DATA32(u32Addr) (*((volatile unsigned int *)(EBI_BANK2_BASE_ADDR+(u32Addr))))
/**
* @brief Write 32-bit data to EBI bank2
*
* @param[in] u32Addr The data address on EBI bank2.
* @param[in] u32Data Specify data to be written.
*
* @return None
*
* @details This macro is used to write 32-bit data to specify address on EBI bank2.
* \hideinitializer
*/
#define EBI2_WRITE_DATA32(u32Addr, u32Data) (*((volatile unsigned int *)(EBI_BANK2_BASE_ADDR+(u32Addr))) = (u32Data))
/**
* @brief Enable EBI Write Buffer
*
* @return None
*
* @details This macro is used to improve EBI write operation for EBI all banks.
* \hideinitializer
*/
#define EBI_ENABLE_WRITE_BUFFER() outpw(REG_EBI_CTL0, inpw(REG_EBI_CTL0) | (0x1UL << 24))
/**
* @brief Disable EBI Write Buffer
*
* @return None
*
* @details This macro is used to disable EBI write buffer function.
* \hideinitializer
*/
#define EBI_DISABLE_WRITE_BUFFER() outpw(REG_EBI_CTL0, (inpw(REG_EBI_CTL0) & ~(0x1UL << 24)) | (0x1UL << 24))
void EBI_Open(uint32_t u32Bank, uint32_t u32DataWidth, uint32_t u32TimingClass, uint32_t u32BusMode, uint32_t u32CSActiveLevel);
void EBI_Close(uint32_t u32Bank);
void EBI_SetBusTiming(uint32_t u32Bank, uint32_t u32TimingConfig, uint32_t u32MclkDiv);
/*@}*/ /* end of group EBI_EXPORTED_FUNCTIONS */
/*@}*/ /* end of group EBI_Driver */
/*@}*/ /* end of group Standard_Driver */
#ifdef __cplusplus
}
#endif
#endif //__NU_EBI_H__
/*** (C) COPYRIGHT 2018 Nuvoton Technology Corp. ***/
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