drvfs_io.c

The combined demo is dedicated for S1C33L05, so DMT33L05 should be used to load and run the demo. F

//--------------------------------------------------------------------------------- 
//
//      Copyright (C) SEIKO EPSON CORP. 2004 
//
//      GROUP					: SEE LSI
//      FILE                    : drvFS_IO.c
//      MODULE                  : storage module
//      Function description    : Driver-IO 
//      Revision history        :                                                                                               
//                                Date            userName        	Description
//                                2004/04/15      David		      	start
//
//      Notes                   : 
//
//---------------------------------------------------------------------------------
#include "drvFS_IO.h"
#include "c33l11.h"
#include "smt_ctl.h"
#include "smt.h"

extern unsigned char bSmtType;
/* MACRO define */
#define IO_PD5_SEL		*(volatile unsigned char*)0x300F47

/****************************************************************************
	DrvFS_IO_InitSmt()
 ----------------------------------------------------------------------------
	description:
		

	argument:	(none)
	return:		(none)
	input:		(none)
	output:		(none)
	flag:		(none)
	global:		(none)
	comment:	(none)

 ****************************************************************************/
void DrvFS_IO_InitSmt(unsigned char ubSmtType)
{
	/* CE14 as GPIO, output high, sdram operation will not affect */
	IO_P54_SEL0	= 1;
	IO_P54_DAT	= 1;
	IO_P54_CTL	= 1;

	IO_P24_SEL0	= 0;		// CLE
	IO_P24_SEL1	= 0;
	IO_P24_DAT	= 0;
	IO_P24_CTL	= 1;

	IO_P25_SEL0	= 0;		// ALE
	IO_P25_SEL1	= 0;
	IO_P25_DAT	= 0;
	IO_P25_CTL	= 1;

	IO_PD5_SEL	&= 0xdf;	// R/B 

	IO_P40_SEL0	= 1;		// WP
	IO_P40_CTL	= 0;

	IO_P34_SEL1	= 1;		// #SMWE
	IO_P35_SEL1	= 1;		// #SMRE


if((ubSmtType == SMT_T_MCP) | (ubSmtType == SMT_T_ADV)){
	
	IO_P51_SEL0	= 0;		// MCP CE as CE15

	//Device type inital
	*(volatile unsigned char*)0x300103 =	0x01; // 1: 16bits 0: 8bits
	*(volatile unsigned char* )0x48120 =	0x02; // Area 15-16 16bit		
}
else{
	//
	IO_P51_SEL0	= 1;		// CE15 as GPIO high
	IO_P51_DAT	= 1;
	IO_P51_CTL	= 1;
	
	//Device type inital
	*(volatile unsigned char*)0x300103 =	0x00; // 1: 16bits 0: 8bits
	*(volatile unsigned char* )0x48120 =	0x42; // Area 15-16 8bit
}

	/* select area15 as SMT/MCP mapping address */
	IO_SMT_CE_SEL = 0;		

}
/**** End of function *******************************************************/

/****************************************************************************
	DrvFS_IO_SelSmt()
 ----------------------------------------------------------------------------
	description:
		SmatrMedia Device Selection
		

	argument:	(none)
	return:		(none)
	input:		(none)
	output:		(none)
	flag:		(none)
	global:		(none)
	comment:	(none)
 ****************************************************************************/
void DrvFS_IO_SelSmt(unsigned char ubSmtType )
{
	/* SmartMedia*/ 
	if((ubSmtType == SMT_T_MCP)|(ubSmtType == SMT_T_ADV)){
		IO_P51_SEL0	= 0;		// MCP CE as CE15

		*(volatile unsigned char*)0x300103 =	0x01; // 1: 16bits 0: 8bits
		*(volatile unsigned char* )0x48120 =	0x02; // Area 15-16 16bit		
	}		
	else{
		IO_P51_SEL0	= 1;		// CE15 as GPIO high
		IO_P51_DAT	= 1;
		IO_P51_CTL	= 1;

		*(volatile unsigned char*)0x300103 =	0x00; // 1: 16bits 0: 8bits
		*(volatile unsigned char* )0x48120 =	0x42; // Area 15-16 8bit
	}
	IO_P34_SEL1 = 1;					// select #SMWE
	IO_P35_SEL1 = 1;					// select #SMRE
}
/**** End of function *******************************************************/

/**** End of file ***********************************************************/