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Provide friendly names for the IRQs as they're wired in normal machines.

This commit is contained in:
bjh21 2000-12-09 15:16:01 +00:00
parent 3e0d9a1b4a
commit facbe746d0
1 changed files with 29 additions and 1 deletions
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30
sys/arch/arm26/include/irq.h
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@ -1,4 +1,4 @@
/* $NetBSD: irq.h,v 1.2 2000/08/22 21:27:22 bjh21 Exp $ */
/* $NetBSD: irq.h,v 1.3 2000/12/09 15:16:01 bjh21 Exp $ */
/*-
* Copyright (c) 2000 Ben Harris
* All rights reserved.
@ -27,12 +27,39 @@
*/
/* This file is part of NetBSD/arm26 -- a port of NetBSD to ARM2/3 machines. */
#ifndef _ARM26_IRQ_H
#define _ARM26_IRQ_H
#include <arch/arm26/iobus/iocreg.h>
/* return values from interrupt handlers */
/* These are the same as arm32 uses */
#define IRQ_HANDLED 1
#define IRQ_NOT_HANDLED 0
#define IRQ_MAYBE_HANDLED -1
/*
* These definitions specify how the devices are wired to the IOC
* interrupt lines.
*/
/* All systems */
#define IRQ_PFIQ IOC_IRQ_IL0 /* Podule FIQ request */
#define IRQ_SIRQ IOC_IRQ_IL1 /* Sound buffer pointer used */
#define IRQ_PIRQ IOC_IRQ_IL5 /* Podule IRQ request */
#define IRQ_VFLYBK IOC_IRQ_IR /* Start of display vertical flyback */
/* Archimedes systems */
#define IRQ_SLCI IOC_IRQ_IL2 /* Serial line controller interrupt */
#define IRQ_WIRQ IOC_IRQ_IL3 /* Winchester interrupt request */
#define IRQ_DCIRQ IOC_IRQ_IL4 /* Disc change interrupt request */
#define IRQ_PBSY IOC_IRQ_IL6 /* Printer Busy Input */
#define IRQ_RII IOC_IRQ_IL7 /* Serial line ring indicator input */
#define IRQ_PACK IOC_IRQ_IF /* Printer acknowledge input */
/* IOEB systems */
#define IRQ_SINTR IOC_IRQ_IL2 /* Serial line interrupt */
#define IRQ_IDEINTR IOC_IRQ_IL3 /* IDE interrupt */
#define IRQ_FINTR IOC_IRQ_IL4 /* Floppy disc interrupt */
#define IRQ_LPINTR IOC_IRQ_IL6 /* Parallel port latched interrupt */
#define IRQ_INDEX IOC_IRQ_IF /* Start of floppy disc index pulse */
struct irq_handler;
extern void irq_init __P((void));
@ -44,3 +71,4 @@ extern char const *irq_string __P((struct irq_handler *h));
extern void irq_enable __P((struct irq_handler *h));
extern void irq_disable __P((struct irq_handler *h));
extern void irq_genmasks __P((void));
#endif