2 * (C) Copyright 2000-2004
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
6 * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
8 * See file CREDITS for list of people who contributed to this
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License as
13 * published by the Free Software Foundation; either version 2 of
14 * the License, or (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
29 #include <asm/processor.h>
30 #include <asm/immap.h>
33 int interrupt_init(void)
35 volatile intctrl_t *intp = (intctrl_t *) (MMAP_INTC);
37 /* disable all external interrupts */
38 intp->int_icr1 = 0x88888888;
39 intp->int_icr2 = 0x88888888;
40 intp->int_icr3 = 0x88888888;
41 intp->int_icr4 = 0x88888888;
42 intp->int_pitr = 0x00000000;
43 /* initialize vector register */
44 intp->int_pivr = 0x40;
51 #if defined(CONFIG_MCFTMR)
52 void dtimer_intr_setup(void)
54 volatile intctrl_t *intp = (intctrl_t *) (CONFIG_SYS_INTR_BASE);
56 intp->int_icr1 &= ~INT_ICR1_TMR3MASK;
57 intp->int_icr1 |= CONFIG_SYS_TMRINTR_PRI;
59 #endif /* CONFIG_MCFTMR */
60 #endif /* CONFIG_M5272 */
62 #if defined(CONFIG_M5208) || defined(CONFIG_M5282) || \
63 defined(CONFIG_M5271) || defined(CONFIG_M5275)
64 int interrupt_init(void)
66 volatile int0_t *intp = (int0_t *) (CONFIG_SYS_INTR_BASE);
68 /* Make sure all interrupts are disabled */
69 #if defined(CONFIG_M5208)
70 intp->imrl0 = 0xFFFFFFFF;
71 intp->imrh0 = 0xFFFFFFFF;
80 #if defined(CONFIG_MCFTMR)
81 void dtimer_intr_setup(void)
83 volatile int0_t *intp = (int0_t *) (CONFIG_SYS_INTR_BASE);
85 intp->icr0[CONFIG_SYS_TMRINTR_NO] = CONFIG_SYS_TMRINTR_PRI;
86 intp->imrl0 &= 0xFFFFFFFE;
87 intp->imrl0 &= ~CONFIG_SYS_TMRINTR_MASK;
89 #endif /* CONFIG_MCFTMR */
90 #endif /* CONFIG_M5282 | CONFIG_M5271 | CONFIG_M5275 */
92 #if defined(CONFIG_M5249) || defined(CONFIG_M5253)
93 int interrupt_init(void)
100 #if defined(CONFIG_MCFTMR)
101 void dtimer_intr_setup(void)
103 mbar_writeLong(MCFSIM_IMR, mbar_readLong(MCFSIM_IMR) & ~0x00000400);
104 mbar_writeByte(MCFSIM_TIMER2ICR, CONFIG_SYS_TMRINTR_PRI);
106 #endif /* CONFIG_MCFTMR */
107 #endif /* CONFIG_M5249 || CONFIG_M5253 */