261 lines
10 KiB
C
261 lines
10 KiB
C
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/**************************************************************************//**
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* @file nu_ebi.h
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* @version V1.00
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* $Revision: 3 $
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* $Date: 18/06/07 2:32p $
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* @brief M031 series External Bus Interface(EBI) driver header file
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*
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* SPDX-License-Identifier: Apache-2.0
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* @copyright (C) 2018 Nuvoton Technology Corp. All rights reserved.
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*****************************************************************************/
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#ifndef __NU_EBI_H__
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#define __NU_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 Standard_Driver Standard Driver
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@{
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*/
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/** @addtogroup EBI_Driver EBI Driver
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@{
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*/
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/** @addtogroup 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_BANK0_BASE_ADDR 0x60000000UL /*!< EBI bank0 base address \hideinitializer */
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#define EBI_BANK1_BASE_ADDR 0x60100000UL /*!< EBI bank1 base address \hideinitializer */
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#define EBI_MAX_SIZE 0x00100000UL /*!< Maximum EBI size for each bank is 1 MB \hideinitializer */
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/*---------------------------------------------------------------------------------------------------------*/
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/* Constants for EBI bank number */
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/*---------------------------------------------------------------------------------------------------------*/
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#define EBI_BANK0 0UL /*!< EBI bank 0 \hideinitializer */
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#define EBI_BANK1 1UL /*!< EBI bank 1 \hideinitializer */
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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 8UL /*!< EBI bus width is 8-bit \hideinitializer */
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#define EBI_BUSWIDTH_16BIT 16UL /*!< EBI bus width is 16-bit \hideinitializer */
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/*---------------------------------------------------------------------------------------------------------*/
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/* Constants for EBI CS Active Level */
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/*---------------------------------------------------------------------------------------------------------*/
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#define EBI_CS_ACTIVE_LOW 0UL /*!< EBI CS active level is low \hideinitializer */
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#define EBI_CS_ACTIVE_HIGH 1UL /*!< EBI CS active level is high \hideinitializer */
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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 \hideinitializer */
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#define EBI_MCLKDIV_2 0x1UL /*!< EBI output clock(MCLK) is HCLK/2 \hideinitializer */
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#define EBI_MCLKDIV_4 0x2UL /*!< EBI output clock(MCLK) is HCLK/4 \hideinitializer */
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#define EBI_MCLKDIV_8 0x3UL /*!< EBI output clock(MCLK) is HCLK/8 \hideinitializer */
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#define EBI_MCLKDIV_16 0x4UL /*!< EBI output clock(MCLK) is HCLK/16 \hideinitializer */
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#define EBI_MCLKDIV_32 0x5UL /*!< EBI output clock(MCLK) is HCLK/32 \hideinitializer */
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#define EBI_TIMING_FASTEST 0x0UL /*!< EBI timing is the fastest \hideinitializer */
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#define EBI_TIMING_VERYFAST 0x1UL /*!< EBI timing is very fast \hideinitializer */
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#define EBI_TIMING_FAST 0x2UL /*!< EBI timing is fast \hideinitializer */
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#define EBI_TIMING_NORMAL 0x3UL /*!< EBI timing is normal \hideinitializer */
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#define EBI_TIMING_SLOW 0x4UL /*!< EBI timing is slow \hideinitializer */
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#define EBI_TIMING_VERYSLOW 0x5UL /*!< EBI timing is very slow \hideinitializer */
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#define EBI_TIMING_SLOWEST 0x6UL /*!< EBI timing is the slowest \hideinitializer */
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#define EBI_OPMODE_NORMAL 0x0UL /*!< EBI bus operate in normal mode \hideinitializer */
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#define EBI_OPMODE_CACCESS (EBI_CTL_CACCESS_Msk) /*!< EBI bus operate in Continuous Data Access mode \hideinitializer */
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/*@}*/ /* end of group EBI_EXPORTED_CONSTANTS */
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/** @addtogroup EBI_EXPORTED_FUNCTIONS EBI Exported Functions
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@{
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*/
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/**
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* @brief Read 8-bit data on EBI bank0
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*
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* @param[in] u32Addr The data address on EBI bank0.
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*
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* @return 8-bit Data
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*
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* @details This macro is used to read 8-bit data from specify address on EBI bank0.
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*/
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#define EBI0_READ_DATA8(u32Addr) (*((volatile unsigned char *)(EBI_BANK0_BASE_ADDR+(u32Addr))))
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/**
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* @brief Write 8-bit data to EBI bank0
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*
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* @param[in] u32Addr The data address on EBI bank0.
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* @param[in] u32Data Specify data to be written.
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*
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* @return None
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*
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* @details This macro is used to write 8-bit data to specify address on EBI bank0.
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*/
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#define EBI0_WRITE_DATA8(u32Addr, u32Data) (*((volatile unsigned char *)(EBI_BANK0_BASE_ADDR+(u32Addr))) = (u32Data))
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/**
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* @brief Read 16-bit data on EBI bank0
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*
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* @param[in] u32Addr The data address on EBI bank0.
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*
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* @return 16-bit Data
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*
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* @details This macro is used to read 16-bit data from specify address on EBI bank0.
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*/
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#define EBI0_READ_DATA16(u32Addr) (*((volatile unsigned short *)(EBI_BANK0_BASE_ADDR+(u32Addr))))
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/**
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* @brief Write 16-bit data to EBI bank0
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*
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* @param[in] u32Addr The data address on EBI bank0.
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* @param[in] u32Data Specify data to be written.
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*
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* @return None
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*
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* @details This macro is used to write 16-bit data to specify address on EBI bank0.
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*/
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#define EBI0_WRITE_DATA16(u32Addr, u32Data) (*((volatile unsigned short *)(EBI_BANK0_BASE_ADDR+(u32Addr))) = (u32Data))
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/**
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* @brief Read 32-bit data on EBI bank0
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*
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* @param[in] u32Addr The data address on EBI bank0.
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*
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* @return 32-bit Data
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*
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* @details This macro is used to read 32-bit data from specify address on EBI bank0.
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*/
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#define EBI0_READ_DATA32(u32Addr) (*((volatile unsigned int *)(EBI_BANK0_BASE_ADDR+(u32Addr))))
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/**
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* @brief Write 32-bit data to EBI bank0
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*
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* @param[in] u32Addr The data address on EBI bank0.
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* @param[in] u32Data Specify data to be written.
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*
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* @return None
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*
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* @details This macro is used to write 32-bit data to specify address on EBI bank0.
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*/
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#define EBI0_WRITE_DATA32(u32Addr, u32Data) (*((volatile unsigned int *)(EBI_BANK0_BASE_ADDR+(u32Addr))) = (u32Data))
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/**
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* @brief Read 8-bit data on EBI bank1
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*
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* @param[in] u32Addr The data address on EBI bank1.
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*
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* @return 8-bit Data
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*
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* @details This macro is used to read 8-bit data from specify address on EBI bank1.
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*/
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#define EBI1_READ_DATA8(u32Addr) (*((volatile unsigned char *)(EBI_BANK1_BASE_ADDR+(u32Addr))))
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/**
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* @brief Write 8-bit data to EBI bank1
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*
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* @param[in] u32Addr The data address on EBI bank1.
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* @param[in] u32Data Specify data to be written.
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*
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* @return None
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*
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* @details This macro is used to write 8-bit data to specify address on EBI bank1.
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*/
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#define EBI1_WRITE_DATA8(u32Addr, u32Data) (*((volatile unsigned char *)(EBI_BANK1_BASE_ADDR+(u32Addr))) = (u32Data))
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/**
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* @brief Read 16-bit data on EBI bank1
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*
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* @param[in] u32Addr The data address on EBI bank1.
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*
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* @return 16-bit Data
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*
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* @details This macro is used to read 16-bit data from specify address on EBI bank1.
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*/
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#define EBI1_READ_DATA16(u32Addr) (*((volatile unsigned short *)(EBI_BANK1_BASE_ADDR+(u32Addr))))
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/**
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* @brief Write 16-bit data to EBI bank1
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*
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* @param[in] u32Addr The data address on EBI bank1.
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* @param[in] u32Data Specify data to be written.
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*
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* @return None
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*
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* @details This macro is used to write 16-bit data to specify address on EBI bank1.
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*/
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#define EBI1_WRITE_DATA16(u32Addr, u32Data) (*((volatile unsigned short *)(EBI_BANK1_BASE_ADDR+(u32Addr))) = (u32Data))
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/**
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* @brief Read 32-bit data on EBI bank1
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*
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* @param[in] u32Addr The data address on EBI bank1.
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*
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* @return 32-bit Data
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*
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* @details This macro is used to read 32-bit data from specify address on EBI bank1.
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*/
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#define EBI1_READ_DATA32(u32Addr) (*((volatile unsigned int *)(EBI_BANK1_BASE_ADDR+(u32Addr))))
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/**
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* @brief Write 32-bit data to EBI bank1
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*
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* @param[in] u32Addr The data address on EBI bank1.
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* @param[in] u32Data Specify data to be written.
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*
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* @return None
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*
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* @details This macro is used to write 32-bit data to specify address on EBI bank1.
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*/
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#define EBI1_WRITE_DATA32(u32Addr, u32Data) (*((volatile unsigned int *)(EBI_BANK1_BASE_ADDR+(u32Addr))) = (u32Data))
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/**
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* @brief Enable EBI Write Buffer
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*
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* @param None
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*
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* @return None
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*
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* @details This macro is used to improve EBI write operation for EBI bank0 and bank1.
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*/
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#define EBI_ENABLE_WRITE_BUFFER() (EBI->CTL0 |= EBI_CTL_WBUFEN_Msk);
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/**
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* @brief Disable EBI Write Buffer
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*
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* @param None
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*
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* @return None
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*
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* @details This macro is used to disable EBI write buffer function.
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*/
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#define EBI_DISABLE_WRITE_BUFFER() (EBI->CTL0 &= ~EBI_CTL_WBUFEN_Msk);
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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 EBI_EXPORTED_FUNCTIONS */
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/*@}*/ /* end of group EBI_Driver */
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/*@}*/ /* end of group Standard_Driver */
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#ifdef __cplusplus
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}
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#endif
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#endif //__NU_EBI_H__
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/*** (C) COPYRIGHT 2017 Nuvoton Technology Corp. ***/
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