1 /* 2 * 3 * Copyright (C) 2004-2007, 2012 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 #include <asm/io.h> 29 30 int interrupt_init(void) 31 { 32 int0_t *intp = (int0_t *) (CONFIG_SYS_INTR_BASE); 33 34 /* Make sure all interrupts are disabled */ 35 setbits_be32(&intp->imrh0, 0xffffffff); 36 setbits_be32(&intp->imrl0, 0xffffffff); 37 38 enable_interrupts(); 39 return 0; 40 } 41 42 #if defined(CONFIG_MCFTMR) 43 void dtimer_intr_setup(void) 44 { 45 int0_t *intp = (int0_t *) (CONFIG_SYS_INTR_BASE); 46 47 out_8(&intp->icr0[CONFIG_SYS_TMRINTR_NO], CONFIG_SYS_TMRINTR_PRI); 48 clrbits_be32(&intp->imrh0, CONFIG_SYS_TMRINTR_MASK); 49 } 50 #endif 51