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 <sjhill@mips.com>
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 @@
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);
+}