aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-tcc8k/irq.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-tcc8k/irq.c')
-rw-r--r--arch/arm/mach-tcc8k/irq.c111
1 files changed, 0 insertions, 111 deletions
diff --git a/arch/arm/mach-tcc8k/irq.c b/arch/arm/mach-tcc8k/irq.c
deleted file mode 100644
index 209fa5c65d4..00000000000
--- a/arch/arm/mach-tcc8k/irq.c
+++ /dev/null
@@ -1,111 +0,0 @@
-/*
- * Copyright (C) Telechips, Inc.
- * Copyright (C) 2009-2010 Hans J. Koch <hjk@linutronix.de>
- *
- * Licensed under the terms of the GNU GPL version 2.
- */
-
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/io.h>
-
-#include <asm/irq.h>
-#include <asm/mach/irq.h>
-
-#include <mach/tcc8k-regs.h>
-#include <mach/irqs.h>
-
-#include "common.h"
-
-/* Disable IRQ */
-static void tcc8000_mask_ack_irq0(struct irq_data *d)
-{
- PIC0_IEN &= ~(1 << d->irq);
- PIC0_CREQ |= (1 << d->irq);
-}
-
-static void tcc8000_mask_ack_irq1(struct irq_data *d)
-{
- PIC1_IEN &= ~(1 << (d->irq - 32));
- PIC1_CREQ |= (1 << (d->irq - 32));
-}
-
-static void tcc8000_mask_irq0(struct irq_data *d)
-{
- PIC0_IEN &= ~(1 << d->irq);
-}
-
-static void tcc8000_mask_irq1(struct irq_data *d)
-{
- PIC1_IEN &= ~(1 << (d->irq - 32));
-}
-
-static void tcc8000_ack_irq0(struct irq_data *d)
-{
- PIC0_CREQ |= (1 << d->irq);
-}
-
-static void tcc8000_ack_irq1(struct irq_data *d)
-{
- PIC1_CREQ |= (1 << (d->irq - 32));
-}
-
-/* Enable IRQ */
-static void tcc8000_unmask_irq0(struct irq_data *d)
-{
- PIC0_IEN |= (1 << d->irq);
- PIC0_INTOEN |= (1 << d->irq);
-}
-
-static void tcc8000_unmask_irq1(struct irq_data *d)
-{
- PIC1_IEN |= (1 << (d->irq - 32));
- PIC1_INTOEN |= (1 << (d->irq - 32));
-}
-
-static struct irq_chip tcc8000_irq_chip0 = {
- .name = "tcc_irq0",
- .irq_mask = tcc8000_mask_irq0,
- .irq_ack = tcc8000_ack_irq0,
- .irq_mask_ack = tcc8000_mask_ack_irq0,
- .irq_unmask = tcc8000_unmask_irq0,
-};
-
-static struct irq_chip tcc8000_irq_chip1 = {
- .name = "tcc_irq1",
- .irq_mask = tcc8000_mask_irq1,
- .irq_ack = tcc8000_ack_irq1,
- .irq_mask_ack = tcc8000_mask_ack_irq1,
- .irq_unmask = tcc8000_unmask_irq1,
-};
-
-void __init tcc8k_init_irq(void)
-{
- int irqno;
-
- /* Mask and clear all interrupts */
- PIC0_IEN = 0x00000000;
- PIC0_CREQ = 0xffffffff;
- PIC1_IEN = 0x00000000;
- PIC1_CREQ = 0xffffffff;
-
- PIC0_MEN0 = 0x00000003;
- PIC1_MEN1 = 0x00000003;
- PIC1_MEN = 0x00000003;
-
- /* let all IRQs be level triggered */
- PIC0_TMODE = 0xffffffff;
- PIC1_TMODE = 0xffffffff;
- /* all IRQs are IRQs (not FIQs) */
- PIC0_IRQSEL = 0xffffffff;
- PIC1_IRQSEL = 0xffffffff;
-
- for (irqno = 0; irqno < NR_IRQS; irqno++) {
- if (irqno < 32)
- irq_set_chip(irqno, &tcc8000_irq_chip0);
- else
- irq_set_chip(irqno, &tcc8000_irq_chip1);
- irq_set_handler(irqno, handle_level_irq);
- set_irq_flags(irqno, IRQF_VALID);
- }
-}