1 #include <linux/interrupt.h>
5 #include <asm/apollohw.h>
7 void dn_process_int(unsigned int irq, struct pt_regs *fp)
9 __m68k_handle_int(irq, fp);
11 *(volatile unsigned char *)(pica)=0x20;
12 *(volatile unsigned char *)(picb)=0x20;
15 int apollo_irq_startup(unsigned int irq)
18 *(volatile unsigned char *)(pica+1) &= ~(1 << irq);
20 *(volatile unsigned char *)(picb+1) &= ~(1 << (irq - 8));
24 void apollo_irq_shutdown(unsigned int irq)
27 *(volatile unsigned char *)(pica+1) |= (1 << irq);
29 *(volatile unsigned char *)(picb+1) |= (1 << (irq - 8));
32 static struct irq_controller apollo_irq_controller = {
34 .lock = __SPIN_LOCK_UNLOCKED(apollo_irq_controller.lock),
35 .startup = apollo_irq_startup,
36 .shutdown = apollo_irq_shutdown,
40 void dn_init_IRQ(void)
42 m68k_setup_user_interrupt(VEC_USER + 96, 16, dn_process_int);
43 m68k_setup_irq_controller(&apollo_irq_controller, IRQ_APOLLO, 16);