aboutsummaryrefslogtreecommitdiffstats
path: root/arch/mips/tx4938/common/irq.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/mips/tx4938/common/irq.c')
-rw-r--r--arch/mips/tx4938/common/irq.c48
1 files changed, 0 insertions, 48 deletions
diff --git a/arch/mips/tx4938/common/irq.c b/arch/mips/tx4938/common/irq.c
deleted file mode 100644
index c059b899d120..000000000000
--- a/arch/mips/tx4938/common/irq.c
+++ /dev/null
@@ -1,48 +0,0 @@
1/*
2 * linux/arch/mips/tx4938/common/irq.c
3 *
4 * Common tx4938 irq handler
5 * Copyright (C) 2000-2001 Toshiba Corporation
6 *
7 * 2003-2005 (c) MontaVista Software, Inc. This file is licensed under the
8 * terms of the GNU General Public License version 2. This program is
9 * licensed "as is" without any warranty of any kind, whether express
10 * or implied.
11 *
12 * Support for TX4938 in 2.6 - Manish Lachwani (mlachwani@mvista.com)
13 */
14#include <linux/init.h>
15#include <linux/interrupt.h>
16#include <asm/irq_cpu.h>
17#include <asm/mipsregs.h>
18#include <asm/tx4938/rbtx4938.h>
19
20void __init
21tx4938_irq_init(void)
22{
23 mips_cpu_irq_init();
24 txx9_irq_init(TX4938_IRC_REG);
25 set_irq_chained_handler(TX4938_IRQ_NEST_PIC_ON_CP0, handle_simple_irq);
26}
27
28int toshiba_rbtx4938_irq_nested(int irq);
29
30asmlinkage void plat_irq_dispatch(void)
31{
32 unsigned int pending = read_c0_cause() & read_c0_status();
33
34 if (pending & STATUSF_IP7)
35 do_IRQ(TX4938_IRQ_CPU_TIMER);
36 else if (pending & STATUSF_IP2) {
37 int irq = txx9_irq();
38 if (irq == TX4938_IRQ_PIC_BEG + TX4938_IR_INT(0))
39 irq = toshiba_rbtx4938_irq_nested(irq);
40 if (irq >= 0)
41 do_IRQ(irq);
42 else
43 spurious_interrupt();
44 } else if (pending & STATUSF_IP1)
45 do_IRQ(TX4938_IRQ_USER1);
46 else if (pending & STATUSF_IP0)
47 do_IRQ(TX4938_IRQ_USER0);
48}