patch-2.1.96 linux/include/asm-arm/arch-a5k/irq.h

• Lines: 131
• Date: Wed Dec 31 16:00:00 1969
• Orig file: v2.1.95/linux/include/asm-arm/arch-a5k/irq.h
• Orig date: Tue Jan 20 16:39:42 1998

diff -u --recursive --new-file v2.1.95/linux/include/asm-arm/arch-a5k/irq.h linux/include/asm-arm/arch-a5k/irq.h
@@ -1,130 +0,0 @@
-/*
- * include/asm-arm/arch-a5k/irq.h
- *
- * Copyright (C) 1996 Russell King
- *
- * Changelog:
- *   24-09-1996	RMK	Created
- *   10-10-1996	RMK	Brought up to date with arch-sa110eval
- *   22-10-1996	RMK	Changed interrupt numbers & uses new inb/outb macros
- *   11-01-1998	RMK	Added mask_and_ack_irq
- */
-
-#define BUILD_IRQ(s,n,m) \
-	void IRQ##n##_interrupt(void); \
-	void fast_IRQ##n##_interrupt(void); \
-	void bad_IRQ##n##_interrupt(void); \
-	void probe_IRQ##n##_interrupt(void);
-
-/*
- * The timer is a special interrupt
- */
-#define IRQ5_interrupt		timer_IRQ_interrupt
-
-#define IRQ_INTERRUPT(n)	IRQ##n##_interrupt
-#define FAST_INTERRUPT(n)	fast_IRQ##n##_interrupt
-#define BAD_INTERRUPT(n)	bad_IRQ##n##_interrupt
-#define PROBE_INTERRUPT(n)	probe_IRQ##n##_interrupt
-                                
-#define X(x) (x)|0x01, (x)|0x02, (x)|0x04, (x)|0x08, (x)|0x10, (x)|0x20, (x)|0x40, (x)|0x80
-#define Z(x) (x), (x), (x), (x), (x), (x), (x), (x)
-
-static __inline__ void mask_and_ack_irq(unsigned int irq)
-{
-	static const int addrmasks[] = {
-		X((IOC_IRQMASKA - IOC_BASE)<<18 | (1 << 15)),
-		X((IOC_IRQMASKB - IOC_BASE)<<18),
-		Z(0),
-		Z(0),
-		Z(0),
-		Z(0),
-		Z(0),
-		Z(0),
-		X((IOC_FIQMASK - IOC_BASE)<<18),
-		Z(0),
-		Z(0),
-		Z(0),
-		Z(0),
-		Z(0),
-		Z(0),
-		Z(0)
-	};
-	unsigned int temp1, temp2;
-
-	__asm__ __volatile__(
-"	ldr	%1, [%5, %3, lsl #2]\n"
-"	teq	%1, #0\n"
-"	beq	2f\n"
-"	ldrb	%0, [%2, %1, lsr #16]\n"
-"	bic	%0, %0, %1\n"
-"	strb	%0, [%2, %1, lsr #16]\n"
-"	tst	%1, #0x8000\n"			/* do we need an IRQ clear? */
-"	strneb	%1, [%2, %4]\n"
-"2:"
-	: "=&r" (temp1), "=&r" (temp2)
-	: "r" (ioaddr(IOC_BASE)), "r" (irq),
-	  "I" ((IOC_IRQCLRA - IOC_BASE) << 2), "r" (addrmasks));
-}
-
-#undef X
-#undef Z
-
-static __inline__ void mask_irq(unsigned int irq)
-{
-	extern void ecard_disableirq (unsigned int);
-	extern void ecard_disablefiq (unsigned int);
-	unsigned char mask = 1 << (irq & 7);
-
-	switch (irq >> 3) {
-	case 0:
-		outb(inb(IOC_IRQMASKA) & ~mask, IOC_IRQMASKA);
-		break;
-	case 1:
-		outb(inb(IOC_IRQMASKB) & ~mask, IOC_IRQMASKB);
-		break;
-	case 4:
-		ecard_disableirq (irq & 7);
-		break;
-	case 8:
-		outb(inb(IOC_FIQMASK) & ~mask, IOC_FIQMASK);
-		break;
-	case 12:
-		ecard_disablefiq (irq & 7);
-	}
-}
-
-static __inline__ void unmask_irq(unsigned int irq)
-{
-	extern void ecard_enableirq (unsigned int);
-	extern void ecard_enablefiq (unsigned int);
-	unsigned char mask = 1 << (irq & 7);
-
-	switch (irq >> 3) {
-	case 0:
-		outb(inb(IOC_IRQMASKA) | mask, IOC_IRQMASKA);
-		break;
-	case 1:
-		outb(inb(IOC_IRQMASKB) | mask, IOC_IRQMASKB);
-		break;
-	case 4:
-		ecard_enableirq (irq & 7);
-		break;
-	case 8:
-		outb(inb(IOC_FIQMASK) | mask, IOC_FIQMASK);
-		break;
-	case 12:
-		ecard_enablefiq (irq & 7);
-	}
-}
-
-static __inline__ unsigned long get_enabled_irqs(void)
-{
-	return inb(IOC_IRQMASKA) | inb(IOC_IRQMASKB) << 8;
-}
-
-static __inline__ void irq_init_irq(void)
-{
-	outb(0, IOC_IRQMASKA);
-	outb(0, IOC_IRQMASKB);
-	outb(0, IOC_FIQMASK);
-}