Пример #1
0
static void mv_mask_irq(unsigned int irq)
{	
	if(irq < 32)
		MV_REG_BIT_RESET(CPU_INT_MASK_LOW_REG(coreId), (1 << irq) );
	else if(irq < 64)/* irq > 32 && irq < 64 */
		MV_REG_BIT_RESET(CPU_INT_MASK_HIGH_REG(coreId), (1 << (irq - 32)));
	else /* gpp */
		MV_REG_BIT_RESET(GPP_INT_LVL_REG(0), (1 << (irq - 64)));
}
Пример #2
0
void __init mv_init_irq(void)
{
	u32 gppMask,i;
#if defined(CONFIG_MV78200) || defined(CONFIG_MV632X)
	coreId = whoAmI();
	printk("IRQ initialize for core %d\n", coreId);
#endif
	/* Disable all interrupts initially. */	
	if (0 == coreId)
	{
		MV_REG_WRITE(GPP_INT_MASK_REG(0), 0);
		MV_REG_WRITE(GPP_INT_LVL_REG(0), 0);
	}	
	MV_REG_WRITE(CPU_INT_MASK_LOW_REG(coreId), 0);
	MV_REG_WRITE(CPU_INT_MASK_HIGH_REG(coreId), 0);

	/* Set Gpp interrupts as needed */
       if (0 == coreId) /*GPP for core 0 only*/
       {       
	       gppMask = mvBoardGpioIntMaskGet();
	       mvGppTypeSet(0, gppMask , (MV_GPP_IN & gppMask));
	       mvGppPolaritySet(0, gppMask , (MV_GPP_IN_INVERT & gppMask));
		
		/* clear all int */
		MV_REG_WRITE(GPP_INT_MASK_REG(0), 0);
		MV_REG_WRITE(CPU_INT_MASK_HIGH_REG(coreId), IRQ_GPP_MASK);	
       }
       else
	       MV_REG_WRITE(CPU_INT_MASK_HIGH_REG(coreId), 0);	

	/* Do the core module ones */
	for (i = 0; i < NR_IRQS; i++) {
		set_irq_chip(i, &mv_chip);
		set_irq_handler(i, handle_level_irq);
		set_irq_flags(i, IRQF_VALID | IRQF_PROBE);
	}
	/* TBD. Add support for error interrupts */
	return;
}
//----------------------------------------------------------------------
// RTC
//----------------------------------------------------------------------
void BuffaloGpio_RtcIntSetup(void)
{
	mvGppTypeSet(0, BIT(BIT_RTC) , BIT(BIT_RTC));		// disable output
	mvGppPolaritySet(0, BIT(BIT_RTC) , 0);
	MV_REG_WRITE(GPP_INT_LVL_REG(0), 0);
}