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