Example #1
0
static int cirrus_start (struct net_device *dev)
{
	int result;

	/* valid ethernet address? */
	if (!is_valid_ether_addr(dev->dev_addr)) {
		printk(KERN_ERR "%s: invalid ethernet MAC address\n",dev->name);
		return (-EINVAL);
	}

	/* install interrupt handler */
	if ((result = request_irq (dev->irq, &cirrus_interrupt, IRQF_DISABLED, dev->name, dev)) < 0) {
		printk (KERN_ERR "%s: could not register interrupt %d\n",dev->name,dev->irq);
		return (result);
	}

	/* enable the ethernet controller */
	cirrus_set (dev,PP_RxCFG,RxOKiE | BufferCRC | CRCerroriE | RuntiE | ExtradataiE);
	cirrus_set (dev,PP_RxCTL,RxOKA | IndividualA | BroadcastA);
	cirrus_set (dev,PP_TxCFG,TxOKiE | Out_of_windowiE | JabberiE);
	cirrus_set (dev,PP_BufCFG,Rdy4TxiE | RxMissiE | TxUnderruniE | TxColOvfiE | MissOvfloiE);
	cirrus_set (dev,PP_LineCTL,SerRxON | SerTxON);
	cirrus_set (dev,PP_BusCTL,EnableRQ);

#ifdef FULL_DUPLEX
	cirrus_set (dev,PP_TestCTL,FDX);
#endif	/* #ifdef FULL_DUPLEX */

	/* start the queue */
	netif_start_queue (dev);
	__gpio_unmask_irq(59);

	//MOD_INC_USE_COUNT;
	return (0);
}
Example #2
0
static void enable_gpio_irq(unsigned int irq)
{
	unsigned int intc_irq;

	if (irq < (IRQ_GPIO_0 + 32)) {
		intc_irq = IRQ_GPIO0;
	}
	else if (irq < (IRQ_GPIO_0 + 64)) {
		intc_irq = IRQ_GPIO1;
	}
	else if (irq < (IRQ_GPIO_0 + 96)) {
		intc_irq = IRQ_GPIO2;
	}
	else if (irq < (IRQ_GPIO_0 + 128)) {
		intc_irq = IRQ_GPIO3;
	}
	else if (irq < (IRQ_GPIO_0 + 160)) {
		intc_irq = IRQ_GPIO4;
	}
	else {
		intc_irq = IRQ_GPIO5;
	}

	enable_intc_irq(intc_irq);
	__gpio_unmask_irq(irq - IRQ_GPIO_0);
}
Example #3
0
void enable_irq(unsigned int irq)
{
	register unsigned int t;
	if ((irq >= IRQ_GPIO_0) && (irq <= IRQ_GPIO_0 + NUM_GPIO)) {
		__gpio_unmask_irq(irq - IRQ_GPIO_0);
		t = (irq - IRQ_GPIO_0) >> 5;
		gpio_irq_mask[t] |= (1 << ((irq - IRQ_GPIO_0) & 0x1f));
		__intc_unmask_irq(IRQ_GPIO0 - t);
	} else if ((irq >= IRQ_DMA_0) && (irq < IRQ_DMA_0 + NUM_DMA)) {
Example #4
0
static void MMCGpioTask(void *arg)
{
	u8 err;
	cardstate = CARD_OUT;
	cardexsit = 1 ;
	while(1)
	{
//		__intc_mask_irq(48 + MMC_CD_PIN);
		printf("Looks like MMC gpio change! \n");
		if ( cardstate == CARD_OUT )     //card have inserted!
		{
			OSTimeDlyHMSM(0,0,0,500);
			if ( __gpio_get_pin(MMC_CD_PIN) == 0 ) //card readlly insert!
			{
				printf("Card readlly insert! \n");
				cardstate = CARD_IN;
				info_card_in();
				MMC_Initialize();
				__gpio_as_irq_rise_edge(MMC_CD_PIN);
			}
			else
				__gpio_as_irq_fall_edge(MMC_CD_PIN);
		}
		else                            //card have not inserted!
		{
			OSTimeDlyHMSM(0,0,0,500);
			if ( __gpio_get_pin(MMC_CD_PIN) == 1 ) //card readlly out!
			{
				printf("Card readlly out! \n");
				cardstate = CARD_OUT;
				info_card_out();
				__gpio_as_irq_fall_edge(MMC_CD_PIN);
			}
			else
				__gpio_as_irq_rise_edge(MMC_CD_PIN);

		}
		__gpio_ack_irq(MMC_CD_PIN);
		__intc_ack_irq(48 + MMC_CD_PIN);
		__gpio_unmask_irq(MMC_CD_PIN);
		OSSemPend(MMCGPIOEvent, 0, &err);
	}
}
Example #5
0
void mmc_detect_init()
{
	MMCGPIOEvent = OSSemCreate(0);

	__gpio_mask_irq(MMC_CD_PIN);
	__gpio_as_input(MMC_CD_PIN);
	__gpio_disable_pull(MMC_CD_PIN);
	request_irq(48 + MMC_CD_PIN, mmc_gpio_irq_handler, 0);
	__gpio_unmask_irq(MMC_CD_PIN);
	cardexsit = 0;
	mmcsrc.GetRequest = GetRequest;
	mmcsrc.Response = Response;
	mmcsrc.Name = "MMC";
	printf("Register Midware SRC MMC! \n");
	RegisterMidSrc(&mmcsrc);
	mmcid = mmcsrc.ID;
	printf("mmc ID %d \n",mmcsrc.ID);

	MMC_Initialize();
	OSTaskCreate(MMCGpioTask, (void *)0,
		     (void *)&MGTaskStack[MMC_GPIO_TASK_STK_SIZE - 1],
		     MMC_GPIO_TASK_PRIO);

}
void board_do_sleep(void)
{
	int no_change;
	int data = ~0;
	/* set SLEEP mode */
	CMSREG32(CPM_LCR, 0x1, 0x3);

	board_powerdown_device();
	board_save_gpio(gpio_save);

	/* GPIO - A */
	no_change = 1 << 16 | 1 << 17 | 1 << 26 | 1 << 27;
	REG_GPIO_PXFUNC(0) =  data & ~no_change;
	REG_GPIO_PXSELC(0) =  data & ~no_change;
	REG_GPIO_PXDIRC(0) =  data & ~no_change;
	REG_GPIO_PXPES(0) = data & ~no_change; /* disable pull */

	/* GPIO - B */
	no_change = 1 << 5 | 1 << 20 | 1 << 23 | 1 << 25 | 1 << 30;
	REG_GPIO_PXFUNC(1) =  data & ~no_change;
	REG_GPIO_PXSELC(1) =  data & ~no_change;
	REG_GPIO_PXDIRC(1) =  data & ~no_change;
	REG_GPIO_PXPES(1) = data & ~no_change; /* disable pull */

	/* GPIO - C */
	no_change = 0x0;
	REG_GPIO_PXFUNC(2) =  data & ~no_change;
	REG_GPIO_PXSELC(2) =  data & ~no_change;
	REG_GPIO_PXDIRC(2) =  data & ~no_change;
	REG_GPIO_PXPES(2) = data & ~no_change; /* disable pull */

	/* GPIO - D */
	no_change = 1 << 17 | 1 << 18 | 1 << 19 | 1 << 27;
	REG_GPIO_PXFUNC(3) =  data & ~no_change;
	REG_GPIO_PXSELC(3) =  data & ~no_change;
	REG_GPIO_PXDIRC(3) =  data & ~no_change;
	REG_GPIO_PXPES(3) = data & ~no_change; /* disable pull */

	/* GPIO - E */
	no_change = 1 << 0 | 1 << 4 | 1 << 10 | 1 << 11 | 1 << 26 | 1 << 8 | 1 << 3;
	REG_GPIO_PXFUNC(4) =  data & ~no_change;
	REG_GPIO_PXSELC(4) =  data & ~no_change;
	REG_GPIO_PXDIRC(4) =  data & ~no_change;
	REG_GPIO_PXPES(4) = data & ~no_change; /* disable pull */
	__gpio_clear_pin(32 * 4 + 0);/* close lcd and bl*/
	__gpio_set_pin(32 * 4 + 3);
	__gpio_as_output(32 * 4 + 0);
	__gpio_as_output(32 * 4 + 3);

	/* GPIO - F */
	no_change = 1 << 10 | 1 << 11 | 1 << 5 | 1 << 7;
	REG_GPIO_PXFUNC(5) =  data & ~no_change;
	REG_GPIO_PXSELC(5) =  data & ~no_change;
	REG_GPIO_PXDIRC(5) =  data & ~no_change;
	REG_GPIO_PXPES(5) = data & ~no_change; /* disable pull */

	__gpio_as_irq_fall_edge(PWR_WAKE);
	__gpio_unmask_irq(PWR_WAKE);
	__intc_unmask_irq(17);  /* unmask IRQ_GPIOn depends on GPIO_WAKEUP */

	__gpio_as_irq_rise_edge(32*1+5);
	__gpio_unmask_irq(32*1+5);
	__intc_unmask_irq(16);  /* unmask IRQ_GPIOn depends on GPIO_WAKEUP */
#if 0 /*here we do not need other pin to wake up.*/	
	__gpio_as_irq_fall_edge(VOL_ADD);
	__gpio_as_irq_rise_edge(VOL_SUB);
	__gpio_unmask_irq(VOL_ADD);
	__gpio_unmask_irq(VOL_SUB);
	__intc_unmask_irq(14);  /* unmask IRQ_GPIOn depends on VOL_ADD */
	__intc_unmask_irq(12);  /* unmask IRQ_GPIOn depends on VOL_SUB */
#endif	

	/* disable externel clock Oscillator in sleep mode */
	CLRREG32(CPM_OPCR, 1 << 4);

	/* select 32K crystal as RTC clock in sleep mode */
	SETREG32(CPM_OPCR, 1 << 2);

	/* Clear previous reset status */
	CLRREG32(CPM_RSR, 0x7);

	mdelay(50);

	__asm__(".set\tmips3\n\t"
			"sync\n\t"
			"wait\n\t"
			"nop\n\t"
			"nop\n\t"
			"nop\n\t"
			"nop\n\t"
			".set\tmips0");
}
Example #7
0
static int jz_pm_do_sleep(void)
{ 
	unsigned long delta;
	unsigned long nfcsr = REG_EMC_NFCSR;
	unsigned long opcr = REG_CPM_OPCR;
	unsigned long imr = REG_INTC_IMR;
	unsigned long sadc = REG_SADC_ENA;
	unsigned long sleep_gpio_save[7*(GPIO_PORT_NUM-1)];

	printk("Put CPU into sleep mode.\n");

	/* Preserve current time */
	delta = xtime.tv_sec - REG_RTC_RSR;

        /* Disable nand flash */
	REG_EMC_NFCSR = ~0xff;

        /* stop sadc */
	REG_SADC_ENA &= ~0x7;
	while((REG_SADC_ENA & 0x7) != 0);
 	udelay(100);

        /*stop udc and usb*/
	__cpm_suspend_uhcphy();
	__cpm_suspend_udcphy();

	/* Sleep on-board modules */
	jz_board_do_sleep(sleep_gpio_save);

	/* Mask all interrupts */
	REG_INTC_IMSR = 0xffffffff;

	/* Just allow following interrupts to wakeup the system.
	 * Note: modify this according to your system.
	 */

	/* enable RTC alarm */
	__intc_unmask_irq(IRQ_RTC);
#if 0
        /* make system wake up after n seconds by RTC alarm */
	unsigned int v, n;
	n = 10;
	while (!__rtc_write_ready());
	__rtc_enable_alarm();
	while (!__rtc_write_ready());
	__rtc_enable_alarm_irq();
 	while (!__rtc_write_ready());
 	v = __rtc_get_second();
 	while (!__rtc_write_ready());
 	__rtc_set_alarm_second(v+n);
#endif

	/* WAKEUP key */
	__gpio_as_irq_rise_edge(GPIO_WAKEUP);
	__gpio_unmask_irq(GPIO_WAKEUP);
	__intc_unmask_irq(IRQ_GPIO0 - (GPIO_WAKEUP/32));  /* unmask IRQ_GPIOn depends on GPIO_WAKEUP */

	/* disable externel clock Oscillator in sleep mode */
	__cpm_disable_osc_in_sleep();
	/* select 32K crystal as RTC clock in sleep mode */
	__cpm_select_rtcclk_rtc();

 	/* Enter SLEEP mode */
	REG_CPM_LCR &= ~CPM_LCR_LPM_MASK;
	REG_CPM_LCR |= CPM_LCR_LPM_SLEEP;
	__asm__(".set\tmips3\n\t"
		"wait\n\t"
		".set\tmips0");

	/* Restore to IDLE mode */
	REG_CPM_LCR &= ~CPM_LCR_LPM_MASK;
	REG_CPM_LCR |= CPM_LCR_LPM_IDLE;

        /* Restore nand flash control register */
	REG_EMC_NFCSR = nfcsr;

	/* Restore interrupts */
	REG_INTC_IMSR = imr;
	REG_INTC_IMCR = ~imr;
	
	/* Restore sadc */
	REG_SADC_ENA = sadc;
	
	/* Resume on-board modules */
	jz_board_do_resume(sleep_gpio_save);

	/* Restore Oscillator and Power Control Register */
	REG_CPM_OPCR = opcr;

	/* Restore current time */
	xtime.tv_sec = REG_RTC_RSR + delta;

	return 0;
}