nwait.c

2410开发测试程序

#include <string.h>
#include "def.h"
#include "option.h"
#include "2410addr.h"
#include "2410lib.h"

void WaitRd8(void);
void WaitWr8(void);
void WaitRd32(void);
void WaitWr32(void);
void WaitRd16(void);
void WaitWr16(void);

#define BUS8		(0)
#define BUS16		(1)
#define BUS32		(2)
#define ENWAIT		(1)
#define SRAMBE03	(1)

#define B4_Tacs		(0x0)	//0clk
#define B4_Tcos		(0x0)	//0clk
#define B4_Tacc		(0x2)	//3clk
#define B4_Tcoh		(0x0)	//0clk
#define B4_Tah		(0x0)	//0clk
#define B4_Tacp		(0x0)	//2clk
#define B4_PMC		(0x0)	//no page mode

// Work-around with nWAIT.
void Test_WaitPin(void)
{
	U32 savePLLCON,saveCLKDIVN;

	saveCLKDIVN=rCLKDIVN;
	savePLLCON=rMPLLCON;

	Uart_TxEmpty(0);
	ChangeClockDivider(1,1);		// 1:2:4 
	ChangeMPllValue(0x5c,0x4,0x1);	//Fin=12MHz FCLK=100MHz for ALTERA
	Uart_Init(25000000,115200);

	rMISCCR=0x330;	//HCLK
	rGPHCON=(rGPHCON & (~(0x3<<18))) | (0x2<<18);	//GPH9=CLKOUT0

	//WaitRd32();
	//WaitWr32();
	//WaitRd16();
	//WaitWr16();
	WaitRd8();
	//WaitWr8();

	Uart_TxEmpty(0);
	rCLKDIVN=saveCLKDIVN;
	rMPLLCON=savePLLCON;
	Uart_Init(0,115200);	
}

void WaitRd8(void)
{
	U8 readVal;
	int i;

	Uart_Printf("nGCS4,8-bit,read,nWAIT Test.\n");

	rBWSCON=rBWSCON & ~(0xf<<16)|(BUS8<<16)|(ENWAIT<<18); //nGCS4 
	rBANKCON4=((B4_Tacs<<13)+(B4_Tcos<<11)+(B4_Tacc<<8)+(B4_Tcoh<<6)+(B4_Tah<<4)+(B4_Tacp<<2)+(B4_PMC));

	for(i=0;i<2;i++); //wait until the bank configuration is in effect.

	readVal=(*(volatile U8 *)0x20000000);
	readVal&=0xf;//data[3:0]
	Uart_Printf("read_data=%x\n",readVal);
}

void WaitWr8(void)
{
	U8 writeVal=0xa;//data[3:0]
	int i;

	Uart_Printf("nGCS4,8-bit,write,nWAIT Test.\n");

	rBWSCON=rBWSCON & ~(0xf<<16)|(BUS8<<16)|(ENWAIT<<18); //nGCS4 
	rBANKCON4=((B4_Tacs<<13)+(B4_Tcos<<11)+(B4_Tacc<<8)+(B4_Tcoh<<6)+(B4_Tah<<4)+(B4_Tacp<<2)+(B4_PMC));

	for(i=0;i<2;i++); //wait until the bank configuration is in effect.

	*((volatile U8 *)0x20000000)=writeVal; 
}

void WaitRd16(void)
{
	U16 readVal;
	int i;

	Uart_Printf("nGCS4,16-bit,read,nWAIT Test.\n");

	rBWSCON=rBWSCON & ~(0xf<<16)|(BUS16<<16)|(ENWAIT<<18); //nGCS4 
	rBANKCON4=((B4_Tacs<<13)+(B4_Tcos<<11)+(B4_Tacc<<8)+(B4_Tcoh<<6)+(B4_Tah<<4)+(B4_Tacp<<2)+(B4_PMC));

	for(i=0;i<2;i++); //wait until the bank configuration is in effect.

	readVal=(*(volatile U16 *)0x20000000);
	readVal&=0xf;//data[3:0]
	Uart_Printf("read_data=%x\n",readVal);
}

void WaitWr16(void)
{
	U32 writeVal=0xa;//data[3:0]
	int i;

	Uart_Printf("nGCS4,16-bit,write,nWAIT Test.\n");

	rBWSCON=rBWSCON & ~(0xf<<16)|(BUS16<<16)|(ENWAIT<<18); //nGCS4 
	rBANKCON4=((B4_Tacs<<13)+(B4_Tcos<<11)+(B4_Tacc<<8)+(B4_Tcoh<<6)+(B4_Tah<<4)+(B4_Tacp<<2)+(B4_PMC));

	for(i=0;i<2;i++); //wait until the bank configuration is in effect.

	*((volatile U16 *)0x20000000)=writeVal; 
}

void WaitRd32(void)
{
	U32 readVal;
	int i;

	Uart_Printf("nGCS4,32-bit,read,nWAIT Test.\n");

	rBWSCON=rBWSCON & ~(0xf<<16)|(BUS32<<16)|(ENWAIT<<18); //nGCS4 
	rBANKCON4=((B4_Tacs<<13)+(B4_Tcos<<11)+(B4_Tacc<<8)+(B4_Tcoh<<6)+(B4_Tah<<4)+(B4_Tacp<<2)+(B4_PMC));

	for(i=0;i<2;i++); //wait until the bank configuration is in effect.

	readVal=(*(volatile U32 *)0x20000000);
	readVal&=0xf;//data[3:0]
	Uart_Printf("read_data=%x\n",readVal);
}


void WaitWr32(void)
{
	U32 writeVal=0xa;//data[3:0]
	int i;
	
	Uart_Printf("nGCS4,32-bit,write,nWAIT Test.\n");

	rBWSCON=rBWSCON & ~(0xf<<16)|(BUS32<<16)|(ENWAIT<<18); //nGCS4 
	rBANKCON4=((B4_Tacs<<13)+(B4_Tcos<<11)+(B4_Tacc<<8)+(B4_Tcoh<<6)+(B4_Tah<<4)+(B4_Tacp<<2)+(B4_PMC));

	for(i=0;i<2;i++); //wait until the bank configuration is in effect.

	*((volatile U32 *)0x20000000)=writeVal; 
}


void Test_XBREQ(void)
{
	U32 saveGPBCON;//,saveGPBUP;

	saveGPBCON=rGPBCON;
	rGPBCON=0x2800;

	Uart_Printf("Press any key!!\n");
	Uart_Getch();
	
	rGPBCON=saveGPBCON;
}