flashdrv.h

56f8300E系列dsp的BOOTloader

/*******************************************************************************
*
* Motorola Inc.
* (c) Copyright 2002 Motorola, Inc.
* ALL RIGHTS RESERVED.
*
* $Element:  $ 
* $Author:  $ 
* $Revision:  $ 
* $VOB:  $ 
* $OS:  $ 
*
* Description:       Header file for Flash driver for DSP5683x
*
* Notes:  
*
******************************************************************************/
#ifndef __FLASHDRV_H
#define __FLASHDRV_H

#include "port.h"
#include "arch.h"
#include "flash.h"

#ifdef __cplusplus
extern "C" {
#endif


/* blocksize in words */
enum e_flashconstants 
{
    PAGE_SIZE_LOG =  8, /* 256 */
    PAGE_SIZE_P_LOG =  9, /* 512 */

    PAGE_SIZE_IN_WORDS = ( 1 << PAGE_SIZE_LOG ),
    PAGE_SIZE_P_IN_WORDS = ( 1 << PAGE_SIZE_P_LOG ),

    PAGE_SIZE_IN_BYTES  = ( 1 << (PAGE_SIZE_LOG + 1) ),
    PAGE_SIZE_P_IN_BYTES  = ( 1 << (PAGE_SIZE_P_LOG + 1) ),

#if defined(DSP56838EVM)

    PMEM_FLASH_SIZE = 0x20000,  
    PMEM_FLASH_OFF = 0,  

    XMEM_FLASH_SIZE = 0x2000,  
    XMEM_FLASH_OFF = 0x2000,  

    BOOT_FLASH_SIZE = 0x2000,  /* 8k DAKAR */
    BOOT_FLASH_OFF = 0x20000,  

#elif defined (DSP56836EVM) 

    PMEM_FLASH_SIZE = 0x10000,  
    PMEM_FLASH_OFF = 0,  

    XMEM_FLASH_SIZE = 0x1000,   /* 4k size */
    XMEM_FLASH_OFF = 0x1000,    /* data flash start addr */

    BOOT_FLASH_SIZE = 0x1000,   /* 4k size */
    BOOT_FLASH_OFF = 0x20000,   /* boot flash start addr */

#elif defined (DSP56832XEVM) 

    PMEM_FLASH_SIZE = 0x4000,   /* 16k size */
    PMEM_FLASH_OFF = 0,  		/* prog flash start addr */

    XMEM_FLASH_SIZE = 0x1000,   /* 4k size */
    XMEM_FLASH_OFF = 0x1000,    /* data flash start addr */

    BOOT_FLASH_SIZE = 0x1000,   /* 4k size */
    BOOT_FLASH_OFF = 0x20000,   /* boot flash start addr */
    
#else /* EVM */

#error "platform is not implemented"

#endif /* EVM */

   flashconstants = 0

};

typedef const struct  
{
	ssize_t  (*pRead)(handle_t hndl, void *buf, size_t);
	ssize_t  (*pWrite)(handle_t hndl, const void *buf, size_t len);
	int      (*pClose)(handle_t hndl);
	UWord16  (*pIoctl[6])(handle_t hndl, unsigned long params );
} io_sFlashInterface; 


/* Define the specific LED supported by this driver */
struct sflashDesc
{   
	const io_sFlashInterface * pInterface;
    void (*rawErase)(unsigned int page );
    void (*rawRead)(unsigned int page );
    void (*rawWrite)(unsigned int page ); 
    unsigned int    lastpage;
    unsigned int    pagesizelog;
    unsigned long   seek;
    unsigned int    tpage;      /* temporary page */
    unsigned int    toffs;      /* temporary offset */
    unsigned int    flags;
#if 0
    unsigned int    tdifoff;    /* difference offset */
    unsigned int    tdiflen;    /* difference len */
#endif
};

enum FlashDeviceEnum
{
    sFlash_size = sizeof(struct sflashDesc),
    sFlash_offset_lastpage 		= (int)&((struct sflashDesc*)0)->lastpage,
    sFlash_offset_pagesizelog 		= (int)&((struct sflashDesc*)0)->pagesizelog,
    sFlash_offset_seek 		= (int)&((struct sflashDesc*)0)->seek,
    sFlash_offset_tpage 		= (int)&((struct sflashDesc*)0)->tpage,
    sFlash_offset_toffs 		= (int)&((struct sflashDesc*)0)->toffs,
    sFlash_offset_flags 		= (int)&((struct sflashDesc*)0)->flags,
#if 0
    sFlash_offset_tdifoff 		= (int)&((struct sflashDesc*)0)->tdifoff,
    sFlash_offset_tdiflen 		= (int)&((struct sflashDesc*)0)->tdiflen,
#endif
};



#define O_ERASE_FLAG  0x1000

/* flash devices context */
extern struct sflashDesc PmemFlash;
extern struct sflashDesc XmemFlash;
extern struct sflashDesc BootFlash;


handle_t flashPmemOpen(const char * pName, int OFlags, ...);
handle_t flashXmemOpen(const char * pName, int OFlags, ...);
handle_t flashBootOpen(const char * pName, int OFlags, ...);
int flashClose(handle_t hndl);
ssize_t flashRead(handle_t hndl, void * pBuffer, size_t nbytes);
ssize_t flashWrite(handle_t hndl, const void * pBuffer, size_t NBytes);
UWord16 flashDevCreate(const char * pName, UWord16 OFlags);

ssize_t flashFastWrite(handle_t hndl, const void * pBuffer, size_t n_bytes);
ssize_t  flashPCompare( handle_t hndl, const void * pBuffer, size_t n_bytes );


/* common */
UWord16 ioctlFLASH_RESET(handle_t hndl, unsigned long params );
UWord16 ioctlFLASH_MODE_VERIFY(handle_t hndl, unsigned long params );
UWord16 ioctlFLASH_CMD_SEEK(handle_t hndl, unsigned long params );

UWord16 ioctlFLASH_ERASE_PMEM(handle_t hndl, unsigned long params );
UWord16 ioctlFLASH_ERASE_XMEM(handle_t hndl, unsigned long params );
UWord16 ioctlFLASH_ERASE_BOOT(handle_t hndl, unsigned long params );

UWord16 ioctlFLASH_READ_PMEM(handle_t hndl, unsigned long params );
UWord16 ioctlFLASH_READ_XMEM(handle_t hndl, unsigned long params );
UWord16 ioctlFLASH_READ_BOOT(handle_t hndl, unsigned long params );

UWord16 ioctlFLASH_WRITE_PMEM(handle_t hndl, unsigned long params );
UWord16 ioctlFLASH_WRITE_XMEM(handle_t hndl, unsigned long params );
UWord16 ioctlFLASH_WRITE_BOOT(handle_t hndl, unsigned long params );


void ioctlFLASH_RAW_MASSERASE_PMEM(handle_t hndl,  unsigned long params );



void ioctlFLASH_RAW_ERASE_PMEM(unsigned int page);
void ioctlFLASH_RAW_ERASE_XMEM(unsigned int page);
void ioctlFLASH_RAW_ERASE_BOOT(unsigned int page);

void ioctlFLASH_RAW_READ_PMEM(unsigned int page);
void ioctlFLASH_RAW_READ_XMEM(unsigned int page);
void ioctlFLASH_RAW_READ_BOOT(unsigned int page);

void ioctlFLASH_RAW_WRITE_PMEM(unsigned int page);
void ioctlFLASH_RAW_WRITE_XMEM(unsigned int page);
void ioctlFLASH_RAW_WRITE_BOOT(unsigned int page);



#ifdef __cplusplus
}
#endif

#endif /* __FLASHDRV_H */