1 /*
2 * Copyright (C) 2000 RidgeRun, Inc.
3 * Author: RidgeRun, Inc.
4 * glonnon@ridgerun.com, skranz@ridgerun.com, stevej@ridgerun.com
5 *
6 * Copyright 2001 MontaVista Software Inc.
7 * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net
8 * Copyright (C) 2000, 2001 Ralf Baechle (ralf@gnu.org)
9 *
10 * This program is free software; you can redistribute it and/or modify it
11 * under the terms of the GNU General Public License as published by the
12 * Free Software Foundation; either version 2 of the License, or (at your
13 * option) any later version.
14 *
15 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
16 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
17 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
18 * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
21 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
22 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 *
26 * You should have received a copy of the GNU General Public License along
27 * with this program; if not, write to the Free Software Foundation, Inc.,
28 * 675 Mass Ave, Cambridge, MA 02139, USA.
29 *
30 */
31 #include <linux/errno.h>
32 #include <linux/init.h>
33 #include <linux/kernel_stat.h>
34 #include <linux/module.h>
35 #include <linux/signal.h>
36 #include <linux/sched.h>
37 #include <linux/types.h>
38 #include <linux/interrupt.h>
39 #include <linux/ioport.h>
40 #include <linux/timex.h>
41 #include <linux/slab.h>
42 #include <linux/random.h>
43 #include <asm/bitops.h>
44 #include <asm/bootinfo.h>
45 #include <asm/io.h>
46 #include <asm/irq.h>
47 #include <asm/mipsregs.h>
48 #include <asm/system.h>
49
50 extern asmlinkage void ocelot_handle_int(void);
51 extern void gt64240_irq_init(void);
52
init_IRQ(void)53 void __init init_IRQ(void)
54 {
55 int i;
56
57 /*
58 * Clear all of the interrupts while we change the able around a bit.
59 * int-handler is not on bootstrap
60 */
61 clear_c0_status(ST0_IM | ST0_BEV);
62 __cli();
63
64 /* Sets the first-level interrupt dispatcher. */
65 set_except_vector(0, ocelot_handle_int);
66 init_generic_irq();
67 mips_cpu_irq_init(0);
68 rm7k_cpu_irq_init(8);
69 gt64240_irq_init();
70
71 #ifdef CONFIG_KGDB
72 printk("start kgdb ...\n");
73 set_debug_traps();
74 breakpoint(); /* you may move this line to whereever you want :-) */
75 #endif
76 #ifdef CONFIG_GDB_CONSOLE
77 register_gdb_console();
78 #endif
79 }
80