1 /*
2  *
3  * (C) Copyright 2000-2004
4  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5  *
6  * Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
7  * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
8  *
9  * See file CREDITS for list of people who contributed to this
10  * project.
11  *
12  * This program is free software; you can redistribute it and/or
13  * modify it under the terms of the GNU General Public License as
14  * published by the Free Software Foundation; either version 2 of
15  * the License, or (at your option) any later version.
16  *
17  * This program is distributed in the hope that it will be useful,
18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
20  * GNU General Public License for more details.
21  *
22  * You should have received a copy of the GNU General Public License
23  * along with this program; if not, write to the Free Software
24  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
25  * MA 02111-1307 USA
26  */
27 
28 /* CPU specific interrupt routine */
29 #include <common.h>
30 #include <asm/immap.h>
31 
32 int interrupt_init(void)
33 {
34 	volatile int0_t *intp = (int0_t *) (CONFIG_SYS_INTR_BASE);
35 
36 	/* Make sure all interrupts are disabled */
37 	intp->imrh0 |= 0xFFFFFFFF;
38 	intp->imrl0 |= 0xFFFFFFFF;
39 
40 	enable_interrupts();
41 	return 0;
42 }
43 
44 #if defined(CONFIG_MCFTMR)
45 void dtimer_intr_setup(void)
46 {
47 	volatile int0_t *intp = (int0_t *) (CONFIG_SYS_INTR_BASE);
48 
49 	intp->icr0[CONFIG_SYS_TMRINTR_NO] = CONFIG_SYS_TMRINTR_PRI;
50 	intp->imrh0 &= ~CONFIG_SYS_TMRINTR_MASK;
51 }
52 #endif
53