flash_mtd.h

8032底层驱动部分。因为可以移植 所以单独来拿出来

#ifndef FLASH_MTD_H
#define FLASH_MTD_H

#ifdef __NORFLASH_DEBUGMODE__ 
   #define DEBUG
#endif


/********************************************************/
/*                  Include Header Files                */
/********************************************************/

#include "kal_release.h"
#include "fat_fs.h"
#include "DrvFlash.h"


/********************************************************/
/* AM29PDL128G (chip name) command address is different */
/* from others. It is MT6218B, MT6219_EVB, MT6217_EVB   */
/* default on board flash. if you want to use other     */
/* flash on MT6218B, MT6219_EVB, or MT6217_EVB, make    */
/* sure to invalidate the AM29PDL128G definition        */
/********************************************************/

#if ( defined(MT6218B_EVB) || defined(MT6219_EVB) || defined(MT6217_EVB) )
   #define AM29PDL128G
#endif

#ifndef AM29PDL128G
#define ADDR_UNLOCK_1        0x555
#define ADDR_UNLOCK_2        0x2AA
#else
#define ADDR_UNLOCK_1        0xAAA
#define ADDR_UNLOCK_2        0x555
#endif
   
/********************************************************/
/*         Parameter and Function Decleration           */
/********************************************************/
typedef kal_uint16 FLASH_CELL;
#define DriverName NORFlashMtd


/********************************************************/
/*                  Flash Command Definition            */
/********************************************************/


/*********************** AMD SERIES *********************/

#define TOGGLE_ERASE_SUSPEND 0x0004 // DQ2: toggles while the read address is erasing or erase suspending
#define TOGGLE_BUSY          0x0040 // DQ6: toggles while programming or erasing
#define POLL_BUSY            0x0080
#define POLL_TIMEOUT         0x0020
#define TOGGLE_TIMEOUT       0x0020 // DQ5: timeout, not a toggle (only valid while D6 is toggeling)
#define CMD_RESET            0xF0
#define CMD_UNLOCK_1         0xAA
#define CMD_UNLOCK_2         0x55
#define CMD_UB               0x20
#define CMD_PROG             0xA0
#define CMD_WRITETOBUFFER    0x25
#define CMD_BUFFERTOFLASH    0x29
#define CMD_UB_RESET         0x90

// Sector Erase Command
#define CMD_SERASE           0x80
#define CMD_SERASE_END       0x30

// Sector Erase Suspend/Resume command 
#define CMD_SUSP_SEC_ERASE   0xB0
#define CMD_RESU_SEC_ERASE   0x30

/********************** INTEL SERIES *********************/

//Read Command
#define INTEL_CMD_RD_ID 0x90     //Read Device ID or Configuration Register
#define INTEL_CMD_RD_ARRAY 0xff  //Read Array
#define INTEL_CMD_RD_SR 0x70     //Read Status Register
#define INTEL_CMD_CLR_SR 0x50;

//Erase Command
#define INTEL_CMD_ERASE_SETUP 0x20
#define INTEL_CMD_ERASE_CONFIRM 0xD0

//Program Command
#define INTEL_CMD_PGM_WORD 0x40
#define INTEL_CMD_BUF_PGM 0xE8;
#define INTEL_CMD_BUF_PGM_CNF 0xD0;

//Block Locking/Unlocking Command
#define INTEL_CMD_LOCK_SETUP 0x60
#define INTEL_CMD_LOCK 0x01
#define INTEL_CMD_UNLOCK 0xD0

//Suspend Command
#define INTEL_CMD_SUSPEND 0xB0
#define INTEL_CMD_RESUME 0xD0

//Status Register Definition
#define INTEL_READY_FLAG (0x80)
#define INTEL_ERASE_ERROR_FLAG (0x3A)
#define INTEL_PROGRAM_ERROR_FLAG (0x1A)

//Block Status
#define INTEL_BLOCK_LOCK_FLAG (0x03)

//Wait Function Definition
#define INTEL_WAIT_PROGRAM 0
#define INTEL_WAIT_ERASE 1
#define SIB_WAIT_BLANK_CHECK 2

/*********************** SIBLEY ***********************/


//Program Command
#define SIB_CMD_PGM_WORD 0x41
#define SIB_CMD_PGM_BUF_C1 0xE9
#define SIB_CMD_PGM_BUF_C2 0xD0

//Blank Check Command
#define SIB_CMD_BLANK_CK_C1 0xBC
#define SIB_CMD_BLANK_CK_C2 0xD0

//EFA Command
#define SIB_CMD_RD_EFA 0x94
#define SIB_CMD_PGM_EFA 0x44
#define SIB_CMD_ERASE_EFA 0x24
#define SIB_CMD_LOCKEFA_C1 0x64

//Configuration
#define SIB_CMD_PGM_CR_C1 0x60
#define SIB_CMD_PGM_RCR_C2 0x03
#define SIB_CMD_PGM_ECR_C2 0x04

//Status Register Definition
#define SIB_NOT_ALL_ERASED_FLAG (0x20)


/********************************************************/
/*               Function Prototype                     */
/********************************************************/
void * BlockAddress(void* DriverData, kal_uint32 BlockIndex);
void * MapWindow(void * DriveData, kal_uint32 BlockIndex, kal_uint32 WindowIndex);
extern kal_uint32 SaveAndSetIRQMask( void );
extern void RestoreIRQMask( kal_uint32 );
extern kal_uint32 INT_DisableDataCache(void);
extern void INT_RestoreDataCache(kal_uint32);

#endif //FLASH_MTD_H