From 0b271f5600b5ae56d331a18da830e33f9fb0acdc Mon Sep 17 00:00:00 2001 From: "Steven J. Hill" Date: Fri, 31 Aug 2012 16:05:37 -0500 Subject: MIPS: Make GIC code platform independent. The GIC interrupt code is used by multiple platforms and the current code was half Malta dependent code. These changes abstract away the platform specific differences. Signed-off-by: Steven J. Hill --- arch/mips/mti-malta/malta-int.c | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) (limited to 'arch/mips/mti-malta') diff --git a/arch/mips/mti-malta/malta-int.c b/arch/mips/mti-malta/malta-int.c index 7b13a4c..5222a7c 100644 --- a/arch/mips/mti-malta/malta-int.c +++ b/arch/mips/mti-malta/malta-int.c @@ -747,3 +747,37 @@ int malta_be_handler(struct pt_regs *regs, int is_fixup) return retval; } + +void gic_enable_interrupt(int irq_vec) +{ + GIC_SET_INTR_MASK(irq_vec); +} + +void gic_disable_interrupt(int irq_vec) +{ + GIC_CLR_INTR_MASK(irq_vec); +} + +void gic_irq_ack(struct irq_data *d) +{ + int irq = (d->irq - gic_irq_base); + + GIC_CLR_INTR_MASK(irq); + + if (gic_irq_flags[irq] & GIC_TRIG_EDGE) + GICWRITE(GIC_REG(SHARED, GIC_SH_WEDGE), irq); +} + +void gic_finish_irq(struct irq_data *d) +{ + /* Enable interrupts. */ + GIC_SET_INTR_MASK(d->irq - gic_irq_base); +} + +void __init gic_platform_init(int irqs, struct irq_chip *irq_controller) +{ + int i; + + for (i = gic_irq_base; i < (gic_irq_base + irqs); i++) + irq_set_chip(i, irq_controller); +} -- cgit v1.1