1 files changed, 0 insertions, 178 deletions
diff --git a/arch/arm/mach-sa1100/irq.c b/arch/arm/mach-sa1100/irq.c
deleted file mode 100644
index 65aebfa66..000000000
--- a/arch/arm/mach-sa1100/irq.c
+++ /dev/null
@@ -1,178 +0,0 @@
-/*
- * linux/arch/arm/mach-sa1100/irq.c
- *
- * Copyright (C) 1999-2001 Nicolas Pitre
- *
- * Generic IRQ handling for the SA11x0, GPIO 11-27 IRQ demultiplexing.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/interrupt.h>
-#include <linux/io.h>
-#include <linux/irq.h>
-#include <linux/irqdomain.h>
-#include <linux/ioport.h>
-#include <linux/syscore_ops.h>
-
-#include <mach/hardware.h>
-#include <mach/irqs.h>
-#include <asm/mach/irq.h>
-#include <asm/exception.h>
-
-#include "generic.h"
-
-
-/*
- * We don't need to ACK IRQs on the SA1100 unless they're GPIOs
- * this is for internal IRQs i.e. from IRQ LCD to RTCAlrm.
- */
-static void sa1100_mask_irq(struct irq_data *d)
-{
-	ICMR &= ~BIT(d->hwirq);
-}
-
-static void sa1100_unmask_irq(struct irq_data *d)
-{
-	ICMR |= BIT(d->hwirq);
-}
-
-/*
- * Apart form GPIOs, only the RTC alarm can be a wakeup event.
- */
-static int sa1100_set_wake(struct irq_data *d, unsigned int on)
-{
-	if (BIT(d->hwirq) == IC_RTCAlrm) {
-		if (on)
-			PWER |= PWER_RTC;
-		else
-			PWER &= ~PWER_RTC;
-		return 0;
-	}
-	return -EINVAL;
-}
-
-static struct irq_chip sa1100_normal_chip = {
-	.name		= "SC",
-	.irq_ack	= sa1100_mask_irq,
-	.irq_mask	= sa1100_mask_irq,
-	.irq_unmask	= sa1100_unmask_irq,
-	.irq_set_wake	= sa1100_set_wake,
-};
-
-static int sa1100_normal_irqdomain_map(struct irq_domain *d,
-		unsigned int irq, irq_hw_number_t hwirq)
-{
-	irq_set_chip_and_handler(irq, &sa1100_normal_chip,
-				 handle_level_irq);
-	set_irq_flags(irq, IRQF_VALID);
-
-	return 0;
-}
-
-static struct irq_domain_ops sa1100_normal_irqdomain_ops = {
-	.map = sa1100_normal_irqdomain_map,
-	.xlate = irq_domain_xlate_onetwocell,
-};
-
-static struct irq_domain *sa1100_normal_irqdomain;
-
-static struct resource irq_resource =
-	DEFINE_RES_MEM_NAMED(0x90050000, SZ_64K, "irqs");
-
-static struct sa1100irq_state {
-	unsigned int	saved;
-	unsigned int	icmr;
-	unsigned int	iclr;
-	unsigned int	iccr;
-} sa1100irq_state;
-
-static int sa1100irq_suspend(void)
-{
-	struct sa1100irq_state *st = &sa1100irq_state;
-
-	st->saved = 1;
-	st->icmr = ICMR;
-	st->iclr = ICLR;
-	st->iccr = ICCR;
-
-	/*
-	 * Disable all GPIO-based interrupts.
-	 */
-	ICMR &= ~(IC_GPIO11_27|IC_GPIO10|IC_GPIO9|IC_GPIO8|IC_GPIO7|
-		  IC_GPIO6|IC_GPIO5|IC_GPIO4|IC_GPIO3|IC_GPIO2|
-		  IC_GPIO1|IC_GPIO0);
-
-	return 0;
-}
-
-static void sa1100irq_resume(void)
-{
-	struct sa1100irq_state *st = &sa1100irq_state;
-
-	if (st->saved) {
-		ICCR = st->iccr;
-		ICLR = st->iclr;
-
-		ICMR = st->icmr;
-	}
-}
-
-static struct syscore_ops sa1100irq_syscore_ops = {
-	.suspend	= sa1100irq_suspend,
-	.resume		= sa1100irq_resume,
-};
-
-static int __init sa1100irq_init_devicefs(void)
-{
-	register_syscore_ops(&sa1100irq_syscore_ops);
-	return 0;
-}
-
-device_initcall(sa1100irq_init_devicefs);
-
-static asmlinkage void __exception_irq_entry
-sa1100_handle_irq(struct pt_regs *regs)
-{
-	uint32_t icip, icmr, mask;
-
-	do {
-		icip = (ICIP);
-		icmr = (ICMR);
-		mask = icip & icmr;
-
-		if (mask == 0)
-			break;
-
-		handle_domain_irq(sa1100_normal_irqdomain,
-				ffs(mask) - 1, regs);
-	} while (1);
-}
-
-void __init sa1100_init_irq(void)
-{
-	request_resource(&iomem_resource, &irq_resource);
-
-	/* disable all IRQs */
-	ICMR = 0;
-
-	/* all IRQs are IRQ, not FIQ */
-	ICLR = 0;
-
-	/*
-	 * Whatever the doc says, this has to be set for the wait-on-irq
-	 * instruction to work... on a SA1100 rev 9 at least.
-	 */
-	ICCR = 1;
-
-	sa1100_normal_irqdomain = irq_domain_add_simple(NULL,
-			32, IRQ_GPIO0_SC,
-			&sa1100_normal_irqdomain_ops, NULL);
-
-	set_handle_irq(sa1100_handle_irq);
-
-	sa1100_init_gpio();
-}