+ unsigned pending;
+
+ pending = read_c0_status() & read_c0_cause();
+
+ if (pending & CAUSEF_IP2) /* COBALT_GALILEO_IRQ (18) */
+
+ galileo_irq(regs);
+
+ else if (pending & CAUSEF_IP6) /* COBALT_VIA_IRQ (22) */
+
+ via_pic_irq(regs);
+
+ else if (pending & CAUSEF_IP3) /* COBALT_ETH0_IRQ (19) */
+
+ do_IRQ(COBALT_CPU_IRQ + 3, regs);
+
+ else if (pending & CAUSEF_IP4) /* COBALT_ETH1_IRQ (20) */
+
+ do_IRQ(COBALT_CPU_IRQ + 4, regs);
+
+ else if (pending & CAUSEF_IP5) /* COBALT_SERIAL_IRQ (21) */
+
+ do_IRQ(COBALT_CPU_IRQ + 5, regs);
+
+ else if (pending & CAUSEF_IP7) /* IRQ 23 */
+
+ do_IRQ(COBALT_CPU_IRQ + 7, regs);
+}
+
+static struct irqaction irq_via = {
+ no_action, 0, { { 0, } }, "cascade", NULL, NULL
+};
+
+void __init arch_init_irq(void)
+{
+ /*
+ * Mask all Galileo interrupts. The Galileo
+ * handler is set in cobalt_timer_setup()
+ */
+ GALILEO_OUTL(0, GT_INTRMASK_OFS);