1 files changed, 0 insertions, 140 deletions
diff --git a/arch/nios2/cpu/interrupts.c b/arch/nios2/cpu/interrupts.c
deleted file mode 100644
index f443bfdec5..0000000000
--- a/arch/nios2/cpu/interrupts.c
+++ /dev/null
@@ -1,140 +0,0 @@
-/*
- * (C) Copyright 2000-2002
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * (C) Copyright 2004, Psyent Corporation <www.psyent.com>
- * Scott McNutt <smcnutt@psyent.com>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <nios2.h>
-#include <asm/nios2-io.h>
-#include <asm/types.h>
-#include <io.h>
-#include <asm/ptrace.h>
-#include <common.h>
-#include <command.h>
-#include <watchdog.h>
-
-/****************************************************************************/
-
-struct	irq_action {
-	interrupt_handler_t *handler;
-	void *arg;
-	int count;
-};
-
-static struct irq_action vecs[32];
-
-/****************************************************************************/
-
-int disable_interrupts(void)
-{
-	int val = rdctl(CTL_STATUS);
-	wrctl(CTL_STATUS, val & ~STATUS_IE);
-	return val & STATUS_IE;
-}
-
-void enable_interrupts(void)
-{
-	int val = rdctl(CTL_STATUS);
-	wrctl(CTL_STATUS, val | STATUS_IE);
-}
-
-void external_interrupt(struct pt_regs *regs)
-{
-	unsigned irqs;
-	struct irq_action *act;
-
-	/* Evaluate only irqs that are both enabled AND pending */
-	irqs = rdctl(CTL_IENABLE) & rdctl(CTL_IPENDING);
-	act = vecs;
-
-	/* Assume (as does the Nios2 HAL) that bit 0 is highest
-	 * priority. NOTE: There is ALWAYS a handler assigned
-	 * (the default if no other).
-	 */
-	while (irqs) {
-		if (irqs & 1) {
-			act->handler(act->arg);
-			act->count++;
-		}
-		irqs >>= 1;
-		act++;
-	}
-
-}
-
-static void def_hdlr(void *arg)
-{
-	unsigned irqs = rdctl(CTL_IENABLE);
-
-	/* Disable the individual interrupt -- with gratuitous
-	 * warning.
-	 */
-	irqs &= ~(1 << (int)arg);
-	wrctl(CTL_IENABLE, irqs);
-	printf("WARNING: Disabling unhandled interrupt: %d\n",
-			(int)arg);
-}
-
-/*************************************************************************/
-void irq_install_handler(int irq, interrupt_handler_t *hdlr, void *arg)
-{
-	int flag;
-	struct irq_action *act;
-	unsigned ena = rdctl(CTL_IENABLE);
-
-	if ((irq < 0) || (irq > 31))
-		return;
-	act = &vecs[irq];
-
-	flag = disable_interrupts();
-	if (hdlr) {
-		act->handler = hdlr;
-		act->arg = arg;
-		ena |= (1 << irq);		/* enable */
-	} else {
-		act->handler = def_hdlr;
-		act->arg = (void *)irq;
-		ena &= ~(1 << irq);		/* disable */
-	}
-	wrctl(CTL_IENABLE, ena);
-
-	if (flag)
-		enable_interrupts();
-}
-
-
-int interrupt_init(void)
-{
-	int i;
-
-	/* Assign the default handler to all */
-	for (i = 0; i < 32; i++) {
-		vecs[i].handler = def_hdlr;
-		vecs[i].arg = (void *)i;
-		vecs[i].count = 0;
-	}
-
-	enable_interrupts();
-	return 0;
-}
-