diff options
Diffstat (limited to 'arch/mips/momentum/jaguar_atx/irq.c')
-rw-r--r-- | arch/mips/momentum/jaguar_atx/irq.c | 94 |
1 files changed, 0 insertions, 94 deletions
diff --git a/arch/mips/momentum/jaguar_atx/irq.c b/arch/mips/momentum/jaguar_atx/irq.c deleted file mode 100644 index f2b432585df2..000000000000 --- a/arch/mips/momentum/jaguar_atx/irq.c +++ /dev/null | |||
@@ -1,94 +0,0 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2002 Momentum Computer, Inc. | ||
3 | * Author: Matthew Dharm, mdharm@momenco.com | ||
4 | * | ||
5 | * Based on work by: | ||
6 | * Copyright (C) 2000 RidgeRun, Inc. | ||
7 | * Author: RidgeRun, Inc. | ||
8 | * glonnon@ridgerun.com, skranz@ridgerun.com, stevej@ridgerun.com | ||
9 | * | ||
10 | * Copyright 2001 MontaVista Software Inc. | ||
11 | * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net | ||
12 | * | ||
13 | * Copyright (C) 2000, 01, 06 Ralf Baechle (ralf@linux-mips.org) | ||
14 | * | ||
15 | * This program is free software; you can redistribute it and/or modify it | ||
16 | * under the terms of the GNU General Public License as published by the | ||
17 | * Free Software Foundation; either version 2 of the License, or (at your | ||
18 | * option) any later version. | ||
19 | * | ||
20 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED | ||
21 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | ||
22 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN | ||
23 | * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, | ||
24 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | ||
25 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF | ||
26 | * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON | ||
27 | * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
28 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | ||
29 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
30 | * | ||
31 | * You should have received a copy of the GNU General Public License along | ||
32 | * with this program; if not, write to the Free Software Foundation, Inc., | ||
33 | * 675 Mass Ave, Cambridge, MA 02139, USA. | ||
34 | */ | ||
35 | #include <linux/init.h> | ||
36 | #include <linux/interrupt.h> | ||
37 | #include <linux/signal.h> | ||
38 | #include <linux/types.h> | ||
39 | #include <asm/irq_cpu.h> | ||
40 | #include <asm/mipsregs.h> | ||
41 | #include <asm/time.h> | ||
42 | |||
43 | asmlinkage void plat_irq_dispatch(void) | ||
44 | { | ||
45 | unsigned int pending = read_c0_cause() & read_c0_status(); | ||
46 | |||
47 | if (pending & STATUSF_IP0) | ||
48 | do_IRQ(0); | ||
49 | else if (pending & STATUSF_IP1) | ||
50 | do_IRQ(1); | ||
51 | else if (pending & STATUSF_IP2) | ||
52 | do_IRQ(2); | ||
53 | else if (pending & STATUSF_IP3) | ||
54 | do_IRQ(3); | ||
55 | else if (pending & STATUSF_IP4) | ||
56 | do_IRQ(4); | ||
57 | else if (pending & STATUSF_IP5) | ||
58 | do_IRQ(5); | ||
59 | else if (pending & STATUSF_IP6) | ||
60 | do_IRQ(6); | ||
61 | else if (pending & STATUSF_IP7) | ||
62 | ll_timer_interrupt(7); | ||
63 | else { | ||
64 | /* | ||
65 | * Now look at the extended interrupts | ||
66 | */ | ||
67 | pending = (read_c0_cause() & (read_c0_intcontrol() << 8)) >> 16; | ||
68 | if (pending & STATUSF_IP8) | ||
69 | ll_mv64340_irq(); | ||
70 | } | ||
71 | } | ||
72 | |||
73 | static struct irqaction cascade_mv64340 = { | ||
74 | no_action, IRQF_DISABLED, CPU_MASK_NONE, "MV64340-Cascade", NULL, NULL | ||
75 | }; | ||
76 | |||
77 | void __init arch_init_irq(void) | ||
78 | { | ||
79 | /* | ||
80 | * Clear all of the interrupts while we change the able around a bit. | ||
81 | * int-handler is not on bootstrap | ||
82 | */ | ||
83 | clear_c0_status(ST0_IM); | ||
84 | |||
85 | mips_cpu_irq_init(); | ||
86 | rm7k_cpu_irq_init(); | ||
87 | |||
88 | /* set up the cascading interrupts */ | ||
89 | setup_irq(8, &cascade_mv64340); | ||
90 | |||
91 | mv64340_irq_init(16); | ||
92 | |||
93 | set_c0_status(ST0_IM); | ||
94 | } | ||