diff options
Diffstat (limited to 'arch/m68knommu/platform/5272/intc.c')
| -rw-r--r-- | arch/m68knommu/platform/5272/intc.c | 39 |
1 files changed, 31 insertions, 8 deletions
diff --git a/arch/m68knommu/platform/5272/intc.c b/arch/m68knommu/platform/5272/intc.c index 7081e0a9720e..2889f7d7cf70 100644 --- a/arch/m68knommu/platform/5272/intc.c +++ b/arch/m68knommu/platform/5272/intc.c @@ -103,8 +103,26 @@ static void intc_irq_ack(unsigned int irq) static int intc_irq_set_type(unsigned int irq, unsigned int type) { - /* We can set the edge type here for external interrupts */ - return 0; + /* set the edge type for external interrupts */ + u32 pitr; + + if ((type != IRQF_TRIGGER_RISING) || (type != IRQF_TRIGGER_FALLING)) + return -EINVAL; + + switch (irq) { + case MCF_IRQ_EINT1 ... MCF_IRQ_EINT4: + case MCF_IRQ_EINT5 ... MCF_IRQ_EINT6: + pitr = __raw_readl(MCFSIM_PITR); + if (type & IRQF_TRIGGER_RISING) + pitr |= 1 << (96 - irq); + else + pitr &= ~(1 << (96 - irq)); + __raw_writel(pitr, MCFSIM_PITR); + + return 0; + default: + return -EINVAL; + } } static struct irq_chip intc_irq_chip = { @@ -128,11 +146,16 @@ void __init init_IRQ(void) writel(0x88888888, MCF_MBAR + MCFSIM_ICR4); for (irq = 0; (irq < NR_IRQS); irq++) { - irq_desc[irq].status = IRQ_DISABLED; - irq_desc[irq].action = NULL; - irq_desc[irq].depth = 1; - irq_desc[irq].chip = &intc_irq_chip; - intc_irq_set_type(irq, 0); + switch (irq) { + case MCF_IRQ_EINT1 ... MCF_IRQ_EINT4: + case MCF_IRQ_EINT5 ... MCF_IRQ_EINT6: + set_irq_chip_and_handler(irq, &intc_irq_chip, + handle_edge_irq); + break; + default: + set_irq_chip_and_handler(irq, &intc_irq_chip, + handle_level_irq); + break; + } } } - |