aboutsummaryrefslogtreecommitdiff
path: root/arch/mips/momentum/ocelot_3/irq.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/mips/momentum/ocelot_3/irq.c')
-rw-r--r--arch/mips/momentum/ocelot_3/irq.c109
1 files changed, 0 insertions, 109 deletions
diff --git a/arch/mips/momentum/ocelot_3/irq.c b/arch/mips/momentum/ocelot_3/irq.c
deleted file mode 100644
index 3862d1d1add..00000000000
--- a/arch/mips/momentum/ocelot_3/irq.c
+++ /dev/null
@@ -1,109 +0,0 @@
-/*
- * Copyright (C) 2000 RidgeRun, Inc.
- * Author: RidgeRun, Inc.
- * glonnon@ridgerun.com, skranz@ridgerun.com, stevej@ridgerun.com
- *
- * Copyright 2001 MontaVista Software Inc.
- * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net
- * Copyright (C) 2000, 2001 Ralf Baechle (ralf@gnu.org)
- *
- * Copyright 2004 PMC-Sierra
- * Author: Manish Lachwani (lachwani@pmc-sierra.com)
- *
- * 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 SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
- * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * 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.,
- * 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- * Copyright (C) 2004 MontaVista Software Inc.
- * Author: Manish Lachwani, mlachwani@mvista.com
- *
- */
-#include <linux/errno.h>
-#include <linux/init.h>
-#include <linux/kernel_stat.h>
-#include <linux/module.h>
-#include <linux/signal.h>
-#include <linux/sched.h>
-#include <linux/types.h>
-#include <linux/interrupt.h>
-#include <linux/ioport.h>
-#include <linux/timex.h>
-#include <linux/slab.h>
-#include <linux/random.h>
-#include <asm/bitops.h>
-#include <asm/bootinfo.h>
-#include <asm/io.h>
-#include <asm/irq.h>
-#include <asm/mipsregs.h>
-#include <asm/system.h>
-
-static struct irqaction cascade_mv64340 = {
- no_action, IRQF_DISABLED, CPU_MASK_NONE, "MV64340-Cascade", NULL, NULL
-};
-
-void __init arch_init_irq(void)
-{
- /*
- * Clear all of the interrupts while we change the able around a bit.
- * int-handler is not on bootstrap
- */
- clear_c0_status(ST0_IM | ST0_BEV);
-
- rm7k_cpu_irq_init();
-
- /* set up the cascading interrupts */
- setup_irq(8, &cascade_mv64340); /* unmask intControl IM8, IRQ 9 */
- mv64340_irq_init(16);
-
- set_c0_status(ST0_IM); /* IE in the status register */
-
-}
-
-asmlinkage void plat_irq_dispatch(void)
-{
- unsigned int pending = read_c0_cause() & read_c0_status();
-
- if (pending & STATUSF_IP0)
- do_IRQ(0);
- else if (pending & STATUSF_IP1)
- do_IRQ(1);
- else if (pending & STATUSF_IP2)
- do_IRQ(2);
- else if (pending & STATUSF_IP3)
- do_IRQ(3);
- else if (pending & STATUSF_IP4)
- do_IRQ(4);
- else if (pending & STATUSF_IP5)
- do_IRQ(5);
- else if (pending & STATUSF_IP6)
- do_IRQ(6);
- else if (pending & STATUSF_IP7)
- do_IRQ(7);
- else {
- /*
- * Now look at the extended interrupts
- */
- pending = (read_c0_cause() & (read_c0_intcontrol() << 8)) >> 16;
-
- if (pending & STATUSF_IP8)
- ll_mv64340_irq();
- else
- spurious_interrupt();
- }
-}