flash_bootloader.gel

基于dsp的flash驱动程序

/* set PMST to: MP = 1  OVLY = 0; DROM off, CLKOUT on */
#define PMST_VAL        0xffc0u  

/* set wait-state control reg for: 2 w/s or more on i/o; one for ext memory */
#define SWWSR_VAL       0x7fffu

/* set external-banks switch control for: no bank switching; BH set */
#define BSCR_VAL        0x02u

/* Set Default Reset Initialization Value */
#define    ZEROS        0x0000u

#define flash_work	0x001C@io

/* Set Peripheral Control Register Addresses for DEV_RESET */
#define DMPREC          0x0054u
#define DMSA            0x0055u
#define DMSDI           0x0056u

#define DMA_CH0_DMFSC_SUB_ADDR  0x0003u
#define DMA_CH1_DMFSC_SUB_ADDR  0x0008u
#define DMA_CH2_DMFSC_SUB_ADDR  0x000Du
#define DMA_CH3_DMFSC_SUB_ADDR  0x0012u
#define DMA_CH4_DMFSC_SUB_ADDR  0x0017u
#define DMA_CH5_DMFSC_SUB_ADDR  0x001cu


#define MCBSP0_SPSA     0x0038u
#define MCBSP0_SPSD     0x0039u
#define MCBSP1_SPSA     0x0048u
#define MCBSP1_SPSD     0x0049u

#define MCBSP2_SPSA     0x0034u
#define MCBSP2_SPSD     0x0035u

#define MCBSP_SPCR1_SUB_ADDR   0x0000u
#define MCBSP_SPCR2_SUB_ADDR   0x0001u
#define MCBSP_SRGR1_SUB_ADDR   0x0006u
#define MCBSP_SRGR2_SUB_ADDR   0x0007u
#define MCBSP_MCR1_SUB_ADDR    0x0008u
#define MCBSP_MCR2_SUB_ADDR    0x0009u
#define SRGR1_INIT             0x0001u

#define PRD0            0x0025u
#define TCR0            0x0026u

#define PRD1            0x0031u
#define TCR1            0x0032u

#define TIMER_STOP             0x0010u
#define TIMER_RESET            0x0020u
#define PRD_DEFAULT            0xFFFFu     

#define GPIOCR                 0x0010u

/* variable */

#define BOOT_LENGTH	0x7000
#define BOOT_ADDRESS 0x4000

StartUp()
{
	VC5402_Init();
}

VC5402_Init()
{
	PMST = PMST_VAL;
	SWWSR = SWWSR_VAL;  
	BSCR = BSCR_VAL;

	C5402_Periph_Reset();
	
	GEL_Reset();
	GEL_MapReset();
	GEL_MapOn();
	GEL_MapAdd(0x0,0,0x100000,1,1);
	GEL_MapAdd(0x0000,1,0x10000,1,1);
	GEL_MapAdd(0x0,2,0x10000,1,1);
	boot_enable();
	GEL_TextOut("C5402_Init Complete.\n");
	
}

C5402_Periph_Reset()
{
	IFR = 0xFFFF;  
	IFR = 0x0000;  

	DMA_Reset();
	MCBSP0_Reset();
	MCBSP1_Reset();
	TIMER0_Reset();
	TIMER1_Reset();
	GPIO_Reset();
}



DMA_Reset()
{
	*(int *)DMPREC = ZEROS;  
    
	*(int *)DMSA = DMA_CH0_DMFSC_SUB_ADDR;
	*(int *)DMSDI = ZEROS;     
	*(int *)DMSDI = ZEROS;     
	*(int *)DMSA  = DMA_CH1_DMFSC_SUB_ADDR;
	*(int *)DMSDI = ZEROS;     
	*(int *)DMSDI = ZEROS;    
 
	*(int *)DMSA  = DMA_CH2_DMFSC_SUB_ADDR;
	*(int *)DMSDI = ZEROS;     
	*(int *)DMSDI = ZEROS;     
 
	*(int *)DMSA  = DMA_CH3_DMFSC_SUB_ADDR;
	*(int *)DMSDI = ZEROS;     
	*(int *)DMSDI = ZEROS;     
 
	*(int *)DMSA  = DMA_CH4_DMFSC_SUB_ADDR;
	*(int *)DMSDI = ZEROS;     
	*(int *)DMSDI = ZEROS;    
 
	*(int *)DMSA  = DMA_CH2_DMFSC_SUB_ADDR;
	*(int *)DMSDI = ZEROS;     
	*(int *)DMSDI = ZEROS;     
}

MCBSP0_Reset()
{
	*(int *)MCBSP0_SPSA = MCBSP_SPCR1_SUB_ADDR;    
	*(int *)MCBSP0_SPSD = ZEROS;                   
	*(int *)MCBSP0_SPSA = MCBSP_SPCR2_SUB_ADDR;    
	*(int *)MCBSP0_SPSD = ZEROS; 
                 
	*(int *)MCBSP0_SPSA = MCBSP_SRGR1_SUB_ADDR;    
	*(int *)MCBSP0_SPSD = SRGR1_INIT;              
	*(int *)MCBSP0_SPSA = MCBSP_SRGR2_SUB_ADDR;    
	*(int *)MCBSP0_SPSD = ZEROS;                   

	*(int *)MCBSP0_SPSA = MCBSP_MCR1_SUB_ADDR;     
	*(int *)MCBSP0_SPSD = ZEROS;                   
	*(int *)MCBSP0_SPSA = MCBSP_MCR2_SUB_ADDR;     
	*(int *)MCBSP0_SPSD = ZEROS;                   
}

MCBSP1_Reset()
{
	*(int *)MCBSP1_SPSA = MCBSP_SPCR1_SUB_ADDR;   
	*(int *)MCBSP1_SPSD = ZEROS;                   
	*(int *)MCBSP1_SPSA = MCBSP_SPCR2_SUB_ADDR;    
	*(int *)MCBSP1_SPSD = ZEROS;                   

	*(int *)MCBSP1_SPSA = MCBSP_SRGR1_SUB_ADDR;    
	*(int *)MCBSP1_SPSD = SRGR1_INIT;              
	*(int *)MCBSP1_SPSA = MCBSP_SRGR2_SUB_ADDR;    
	*(int *)MCBSP1_SPSD = ZEROS;   
                
	*(int *)MCBSP1_SPSA = MCBSP_MCR1_SUB_ADDR;     
	*(int *)MCBSP1_SPSD = ZEROS;                   
	*(int *)MCBSP1_SPSA = MCBSP_MCR2_SUB_ADDR;     
	*(int *)MCBSP1_SPSD = ZEROS;
}   


TIMER0_Reset()
{
	*(int *)TCR0 = TIMER_STOP;              
	*(int *)PRD0 = PRD_DEFAULT;              
	*(int *)TCR0 = TIMER_RESET;
}

TIMER1_Reset()
{     

	*(int *)TCR1 = TIMER_STOP;               
	*(int *)PRD1 = PRD_DEFAULT;              
	*(int *)TCR1 = TIMER_RESET;              
}  

GPIO_Reset()
{
	*(int *)GPIOCR = ZEROS;
}        

menuitem "FLASH PROGRAMMING";

hotmenu FlashStart()
{
	GEL_TextOut("Flash Program Start!\n");
	
	*(int *)flash_work = 0;
	
	GEL_Load("C:\\ti5xx\\\myprojects\\flash_bootload\\flash_boot.out");
	GEL_TextOut("flash_boot.out load successful!\n");
	GEL_Go(flash_wr_boot0);
	GEL_TextOut("FLASH ERASE successful!\n");
	
	GEL_Go(flash_wr_text1);
	
	GEL_MemoryLoad(0x4000,1,BOOT_LENGTH,"C:\\ti5xx\\\myprojects\\flash_bootload\\test.dat");
	GEL_TextOut("test.dat load successful!\n");
	
	GEL_Go(flash_wr_vector1);
	GEL_TextOut("text.dat Program Success!\n");
	
	GEL_Go(flash_wr_cinit1);
	GEL_TextOut("vector.dat Program Success!\n");
	
	GEL_Go(flash_wr_switch1);
	GEL_TextOut("cinit.dat Program Success!\n");
	
	GEL_Go(flash_over);
	GEL_TextOut("switch.dat Program Success!\n");
	
	GEL_TextOut("FLASH Program Over!\n");
}

menuitem "PROGRAM ADDR";

hotmenu boot_enable()
{
	*(int *)flash_work = 1;
}

hotmenu boot_disable()
{
	*(int *)flash_work = 0;
}