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Diffstat (limited to 'arch/mips/momentum/jaguar_atx/irq.c')
-rw-r--r--arch/mips/momentum/jaguar_atx/irq.c35
1 files changed, 31 insertions, 4 deletions
diff --git a/arch/mips/momentum/jaguar_atx/irq.c b/arch/mips/momentum/jaguar_atx/irq.c
index 15588f91ace2..ec4032b38f19 100644
--- a/arch/mips/momentum/jaguar_atx/irq.c
+++ b/arch/mips/momentum/jaguar_atx/irq.c
@@ -10,7 +10,7 @@
* 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 (C) 2000, 01, 06 Ralf Baechle (ralf@linux-mips.org)
*
* 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
@@ -38,8 +38,37 @@
#include <linux/types.h>
#include <asm/irq_cpu.h>
#include <asm/mipsregs.h>
+#include <asm/time.h>
-extern asmlinkage void jaguar_handle_int(void);
+asmlinkage void plat_irq_dispatch(struct pt_regs *regs)
+{
+ unsigned int pending = read_c0_cause() & read_c0_status();
+
+ if (pending & STATUSF_IP0)
+ do_IRQ(0, regs);
+ else if (pending & STATUSF_IP1)
+ do_IRQ(1, regs);
+ else if (pending & STATUSF_IP2)
+ do_IRQ(2, regs);
+ else if (pending & STATUSF_IP3)
+ do_IRQ(3, regs);
+ else if (pending & STATUSF_IP4)
+ do_IRQ(4, regs);
+ else if (pending & STATUSF_IP5)
+ do_IRQ(5, regs);
+ else if (pending & STATUSF_IP6)
+ do_IRQ(6, regs);
+ else if (pending & STATUSF_IP7)
+ ll_timer_interrupt(7, regs);
+ else {
+ /*
+ * Now look at the extended interrupts
+ */
+ pending = (read_c0_cause() & (read_c0_intcontrol() << 8)) >> 16;
+ if (pending & STATUSF_IP8)
+ ll_mv64340_irq(regs);
+ }
+}
static struct irqaction cascade_mv64340 = {
no_action, SA_INTERRUPT, CPU_MASK_NONE, "MV64340-Cascade", NULL, NULL
@@ -53,8 +82,6 @@ void __init arch_init_irq(void)
*/
clear_c0_status(ST0_IM);
- /* Sets the first-level interrupt dispatcher. */
- set_except_vector(0, jaguar_handle_int);
mips_cpu_irq_init(0);
rm7k_cpu_irq_init(8);