xscale_test.c

来自「eCos操作系统源码」· C语言 代码 · 共 1,435 行 · 第 1/4 页

    hex32out(end_addr);
    printf(".\n");

    memTest(start_addr, end_addr);
    printf("\n");

    printf ("\nMemory test done.\n");
    printf ("Press return to continue.\n");
    (void) hexIn();
}


/*****************************************************************************
* memory_tests - Basic Memory Tests                       
*
* Memory tests can be run one of two ways - with the cache turned OFF to test
* physical memory, or with cache turned ON to test the caching
*/
static void memory_tests (MENU_ARG arg)
{
    long	start_addr;
    long	mem_size;
    long	end_addr;

    printf ("Base address of memory to test (in hex): ");
    start_addr = hexIn();
    printf("\n");
    printf ("Size of memory to test (in hex): ");
    mem_size = hexIn();
    printf("\n");
    end_addr = start_addr + mem_size;

    printf("Testing memory from $");
    hex32out(start_addr);
    printf(" to $");
    hex32out(end_addr);
    printf(".\n");
    memTest(start_addr, end_addr);
    printf("\n");

    printf ("\nMemory test done.\n");
    printf ("Press return to continue.\n");
    (void) xgetchar();
}


/*****************************************************************************
* repeat_mem_test - Repeating Memory Tests                       
*
*/
static void repeat_mem_test (MENU_ARG arg)
{
    unsigned long start_addr, mem_size, end_addr;
    char	cache_disable[10];

    printf ("Turn off Data Cache? (y/n): ");
    sgets (cache_disable);
    printf ("\n");
    printf ("Base address of memory to test (in hex): ");
    start_addr = hexIn();
    printf("\n");
    printf ("Size of memory to test (in hex): ");
    mem_size = hexIn();
    printf("\n");
    end_addr = start_addr + mem_size;
    printf("Testing memory from $");
    hex32out(start_addr);
    printf(" to $");
    hex32out(end_addr);
    while (memTest (start_addr, end_addr))
        ;
}

/* 02/02/01 jwf */
/*****************************************************************************
* special_mem_test - Repeat-On-Fail Memory Test                     
*
* Memory tests can be run one of two ways - with the cache turned OFF to test
* physical memory, or with cache turned ON to test the caching
*/
static void special_mem_test (MENU_ARG arg)
{
    long	start_addr;
    long	mem_size;
    long	end_addr;

    printf ("Base address of memory to test (in hex): ");
    start_addr = hexIn();
    printf("\n");
    printf ("Size of memory to test (in hex): ");
    mem_size = hexIn();
    printf("\n");
    end_addr = start_addr + mem_size;

    printf("Testing memory from $");
    hex32out(start_addr);
    printf(" to $");
    hex32out(end_addr);
    printf(".\n");
    LoopMemTest(start_addr, end_addr);
    printf("\n");

    printf ("\nMemory test done.\n");
    printf ("Press return to continue.\n");
    (void) xgetchar();
}

const unsigned char SevSegDecode[] = {
    ZERO, ONE, TWO, THREE, FOUR,
    FIVE, SIX, SEVEN, EIGHT, NINE,
    LETTER_A, LETTER_B, LETTER_C, LETTER_D,
    LETTER_E, LETTER_F, DECIMAL_POINT,
    DISPLAY_OFF
};

/* sequential test for LSD and MSD 7 segment Leds */
void seven_segment_display (MENU_ARG arg)
{
    int DisplaySequence;
    int SelectLed;

    *MSB_DISPLAY_REG = DISPLAY_OFF;	/* blank MSD 7 segment LEDS */
    *LSB_DISPLAY_REG = DISPLAY_OFF;	/* blank LSD 7 segment LEDS  */

    SelectLed=0; /* initialize 7 segment LED selection */

    do {
	/* run test data sequence for a 7 segment LED */
	for (DisplaySequence = 0; DisplaySequence <= 17; ++DisplaySequence) {
		
	    /* display test data on selected 7 segment LED */
	    /* the test data sequence for a 7 segment led will be seen as:*/
	    /* 0 1 2 3 4 5 6 7 8 9 A b C d e F . */
	    if (SelectLed)
		*MSB_DISPLAY_REG = SevSegDecode[DisplaySequence];
	    else
		*LSB_DISPLAY_REG = SevSegDecode[DisplaySequence];

	    delay_ms(400);

	} /* end for(DisplaySequence~) */
	++SelectLed;	/* select next 7 segment LED */
    } while (SelectLed < 2);	 /* tests a pair of 7 segment LEDs */

    *MSB_DISPLAY_REG = LETTER_S;
    *LSB_DISPLAY_REG = LETTER_S;
}


/* 12/18/00 jwf */
/* tests rotary switch status, S1 positions 0-3, a 2 bit output code */
void rotary_switch (MENU_ARG arg)
{
    const unsigned char MAX_SWITCH_SAMPLES = 9;
    unsigned char RotarySwitch[MAX_SWITCH_SAMPLES];
    unsigned char index;	   /* index for Rotary Switch array */
    unsigned char debounce;	   /* keeps tally of equal rotary switch data reads in a loop */
    char ch;

    *MSB_DISPLAY_REG = DISPLAY_OFF;
    *MSB_DISPLAY_REG = DISPLAY_OFF;

    printf("\n\nThe 7-Segment LSD LED shows the Rotary Switch position selected, i.e., 0-F.");
    printf("\n\nSlowly dial the Rotary Switch through each position 0-F and confirm reading.");

    printf( "\n\nStrike <CR> to exit this test." );
    do {
	do {	/* debounce the switch contacts */
	    for (index = 0; index <= MAX_SWITCH_SAMPLES; index++) {
		/* read rotary switch code */
		RotarySwitch[index] = *(volatile unsigned char *)0xfe8d0000;
		RotarySwitch[index] &= 0x0f;
	    }
	    debounce = 0;
	    for (index = 1; index <= MAX_SWITCH_SAMPLES; index++)
		if (RotarySwitch[0] == RotarySwitch[index])
		    debounce++;

	    /* exit when all rotary switch code readings are equal,
	       when debounce = MAX_SWITCH_SAMPLES-1 */
	} while (debounce < (MAX_SWITCH_SAMPLES - 1));	

	/* display the rotary switch position on the 7 segment LSD LED as: 0, 1, 2, 3 */
	*LSB_DISPLAY_REG = SevSegDecode[RotarySwitch[0]];

    } while (!xgetchar_timeout(&ch, 200) || ch != 0x0d); /* run until User types a <CR> to exit */

    *MSB_DISPLAY_REG = LETTER_S;
    *LSB_DISPLAY_REG = LETTER_S;

}


/* test backplane detection, connector socket J19 pin 7 */
/* BP_DET#=0, no backplane */
/* BP_DET#=1, backplane installed */
/* b0 <--> BP_DET# */
void backplane_detection(MENU_ARG arg)
{
    unsigned char BpDetStatus;	/* L = pci700 board installed on backplane */

    BpDetStatus = *( unsigned char * ) 0xfe870000;	/* read backplane detection status port */

    BpDetStatus &= 0x01;		/* isolate bit b0 */

    /* examine bit 0 */
    switch( BpDetStatus ) {
    case 0x00:		/* BpDetStatus = !(BP_DET#=1) = 0 */
	printf("\nBackplane detection bit read Low, no backplane installed\n");
	printf("\nPlace a jumper across J19.7 to J19.1, then run this test again.\n");
	break;

    case 0x01:		/* BpDetStatus = !(BP_DET#=0) = 1 */
	printf("\nBackplane detection bit read High, 1 backplane detected.\n");
	printf("\nRemove jumper from J19\n");
	break;

    default:
	break;
    }

    /* 12/18/00 jwf */
    printf ("\n\nStrike <CR> to exit this test.\n\n");
    hexIn();
}


/* test battery status */
/* b0 - !(BATT_PRES#=0). A battery is installed.*/
/* b1 - BATT_CHRG=1. The battery is fully charged. */
/* b2 - BATT_DISCHRG=1. The battery is fully discharged. */
void battery_status(MENU_ARG arg)
{
    unsigned char BatteryStatus;

    BatteryStatus = *(unsigned char *)0xfe8f0000;	/* read battery status port */

    /* examine bit b0 BATT_PRES# */
    if (BatteryStatus & 0x01)	/* TestBit=!(BATT_PRES#=0)=1 */
	printf("\nBATT_PRES#=0. A battery was detected.\n");
    else
	printf("\nBATT_PRES#=1. No battery installed.\n");

    /* examine bit b1 BATT_CHRG */
    if (BatteryStatus & 0x02)	/* BATT_CHRG=1 */
	printf("\nBATT_CHRG=1. Battery is fully charged.\n");
    else			/* BATT_CHRG=0 */
	printf("\nBATT_CHRG=0. Battery is charging.\n");

    /* examine bit b2 BATT_DISCHRG */
    if (BatteryStatus & 0x04)
	printf("\nBATT_DISCHRG=1. Battery is fully discharged.\n");
    else
	printf("\nBATT_DISCHRG=0. Battery voltage measures with in normal operating range.\n");

    printf ("\n\nStrike <CR> to exit this test.\n\n");
    hexIn();
}



/* GPIO test */
/* Header J16 pin out is: J16.1=b0, J16.3=b1, J16.5=b2, J16.7=b3, J16.9=b4, J16.11=b5, J16.13=b6, J16.15=b7 */
/* This test will require use of 2 special test sockets wired as follows for the output and input tests. */
/* Intel specifies that each GPIO pin must be pulled down after P_RST# deasserts to swamp out their weak internal active pull up */
/* Note that the internal weak active pull up tends to have more of an affect on the GPIO input port rather than the output port */
/* Therefore for the input test, jumper J16 pins: 1-2, 3-4, 5-6, 7-8, 9-10, 11-12, 13-14, 15-16, and (TBD) provide an input source for each bit */
/* For the output test, jumper J16 pins: 1-2, 3-4, 5-6, 7-8, 9-10, 11-12, 13-14, 15-16 */
/* each jumpered pin connects a weak pull down resistor, resident on board, to each GPIO pin */
void gpio_test (MENU_ARG arg)
{
    /*unsigned char GpioInputPort;*/
    unsigned char GpioOutputPort;
    unsigned char GpioOutputEnablePort;

    /* GPIO output port test */

    printf("\n\nPlug output test socket into header J16, strike 'Enter' to continue" );
    while(xgetchar()!=0x0d);

    /* write test data pattern to GPIO Output Enable Register at address 0x0000171c */
    *( unsigned char * ) 0x0000171c = 0x55;

    /* read GPIO Output Enable Register from address 0x0000171c */
    GpioOutputEnablePort = *( unsigned char * ) 0x0000171c;

    if (GpioOutputEnablePort==0x55)
	printf("\nGPIO Output Enable first write/read test PASSED.");
    else
	printf("\nGPIO Output Enable first write/read test FAILED.");

    /* write test data pattern to GPIO Output Enable Register at address 0x0000171c */
    *( unsigned char * ) 0x0000171c = 0xaa;

    /* read GPIO Output Enable Register from address 0x0000171c */
    GpioOutputEnablePort = *( unsigned char * ) 0x0000171c;

    if (GpioOutputEnablePort==0xaa)
	printf("\nGPIO Output Enable second write/read test PASSED.");
    else
	printf("\nGPIO Output Enable second write/read test FAILED.");

    /* enable output bits b0-b7, write test pattern to GPIO Output Enable Register */
    *( unsigned char * ) 0x0000171c = 0x00;
	
    /* write test data pattern to GPIO Output Data Register at address 00001724h */
    *( unsigned char * ) 0x00001724 = 0x55;
	
    /* read test data pattern from GPIO Output Data Register at address 00001724h */
    GpioOutputPort = *( unsigned char * ) 0x00001724;

    if (GpioOutputPort==0x55)
	printf("\nGPIO Output Data Register first write/read test PASSED.");
    else
	printf("\nGPIO Output Data Register first write/read test FAILED.");

    /* write output data pattern to GPIO Output Data Register at address 00001724h */
    *( unsigned char * ) 0x00001724 = 0xaa;
	
    /* read output data pattern from GPIO Output Data Register at address 00001724h */
    GpioOutputPort = *( unsigned char * ) 0x00001724;

    if (GpioOutputPort==0xaa)
	printf("\nGPIO Output Data Register second write/read test PASSED.");
    else
	printf("\nGPIO Output Data Register second write/read test FAILED.");
	
    printf("\n\nRemove output test socket from header J16, strike 'Enter' to continue" );
    while(xgetchar()!=0x0d);
}

/* i82559 Ethernet test */
void ether_test (MENU_ARG arg)
{
    cyg_pci_device_id  devid[6];
    int	unit = 0;
    int i, num_enet;

	
    for (i = 0, num_enet = 0; i < 6; i++, num_enet++) {
	if (i == 0)
	    devid[0] = CYG_PCI_NULL_DEVID;
	else
	    devid[i] = devid[i-1]; // start from last one found
	if (!cyg_pci_find_device(VENDOR_INTEL, I82557, &devid[i]))
	    break;
    }

    for (; i < 6; i++, num_enet++) {
	if (i == 0)
	    devid[0] = CYG_PCI_NULL_DEVID;
	else
	    devid[i] = devid[i-1]; // start from last one found
	if (!cyg_pci_find_device(VENDOR_INTEL, I82559ER, &devid[i]))
	    break;
    }
	
    if (num_enet == 0) {
	printf ("No supported Ethernet devices found\n");