| #include <linux/interrupt.h> |
| #include <asm/apollohw.h> |
| void dn_process_int(unsigned int irq, struct pt_regs *fp) |
| __m68k_handle_int(irq, fp); |
| *(volatile unsigned char *)(pica)=0x20; |
| *(volatile unsigned char *)(picb)=0x20; |
| int apollo_irq_startup(unsigned int irq) |
| *(volatile unsigned char *)(pica+1) &= ~(1 << irq); |
| *(volatile unsigned char *)(picb+1) &= ~(1 << (irq - 8)); |
| void apollo_irq_shutdown(unsigned int irq) |
| *(volatile unsigned char *)(pica+1) |= (1 << irq); |
| *(volatile unsigned char *)(picb+1) |= (1 << (irq - 8)); |
| static struct irq_controller apollo_irq_controller = { |
| .lock = __SPIN_LOCK_UNLOCKED(apollo_irq_controller.lock), |
| .startup = apollo_irq_startup, |
| .shutdown = apollo_irq_shutdown, |
| void __init dn_init_IRQ(void) |
| m68k_setup_user_interrupt(VEC_USER + 96, 16, dn_process_int); |
| m68k_setup_irq_controller(&apollo_irq_controller, IRQ_APOLLO, 16); |