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