rom_drv.c

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/***************************************************************************
*
*		FileName:       rom_drv.c
*		Revision:       2006/6/6
*		Author:			Wang Lihui
*****************************************************************************
* DESCRIPTION:
	rom operation interface
*
* COPYRIGHT:
	(C) HEBEI FAR-EAST HARRIS COMMUNICATIONS COMPANY LTD.

* HISTORY:
	06/06/06:
		Initial verison by Wang Lihui
	08/07/25
		Second verison by Du Biao
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
//#include <unistd.h>

#include "../inc/version.h"
#include "../inc/gendef.h"
#include "../inc/rom_drv.h"
#include "../inc/intel28f160.h"
#include "../inc/msgpkt.h"
#include "../inc/channel.h"



int ROM_Init(U8 flash_type)
{
//	return open("/dev/nandflashdrv",O_RDWR);

	if(flash_type == NAND_FLASH)
	{
		return open("/dev/nandflashdrv", O_RDWR);
	}
	else if(flash_type  == INTEL28F160C3B)
	{
		return 0;
	}
	else
	{
		return -1;
	}

}

int ROM_EraseBlock(U8 flash_type, int dev, U16 index)
{
	if(flash_type == NAND_FLASH)
	{
		return (ioctl(dev, CMD_NF_ERASE_BLOCK, index));
	}
	else if(flash_type  == INTEL28F160C3B)
	{
		return (FLASH_EraseBlock(index));
	}
	else
	{
		return -1;
	}

}

int ROM_ReadBlock(U8 flash_type, int dev, U16 index, U8* buf, U32 count)
{
	if(flash_type == NAND_FLASH)
	{
		return (read(dev, buf, count, &index));
	}
	else if(flash_type  == INTEL28F160C3B)
	{
		return (FLASH_ReadBlock(index, (U16 *)buf, (count / 2)));
	}
	else
	{
		return 0;
	}
}

int ROM_WriteBlock(U8 flash_type, int dev,U16 index,U8* buf,U32 count)
{
	//int i;
	if(flash_type == NAND_FLASH)
	{
		return (write(dev, buf, count, &index));
	}
	else if(flash_type  == INTEL28F160C3B)
	{
		return (FLASH_WriteBlock(index, (U16 *)buf, (count / 2)));
	}
	else
	{
		return 0;
	}

}