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