2 * (C) Copyright 2000-2004
5 * Copyright (C) 2004-2007, 2012 Freescale Semiconductor, Inc.
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>
34 int interrupt_init(void)
36 intctrl_t *intp = (intctrl_t *) (MMAP_INTC);
38 /* disable all external interrupts */
39 out_be32(&intp->int_icr1, 0x88888888);
40 out_be32(&intp->int_icr2, 0x88888888);
41 out_be32(&intp->int_icr3, 0x88888888);
42 out_be32(&intp->int_icr4, 0x88888888);
43 out_be32(&intp->int_pitr, 0x00000000);
45 /* initialize vector register */
46 out_8(&intp->int_pivr, 0x40);
53 #if defined(CONFIG_MCFTMR)
54 void dtimer_intr_setup(void)
56 intctrl_t *intp = (intctrl_t *) (CONFIG_SYS_INTR_BASE);
58 clrbits_be32(&intp->int_icr1, INT_ICR1_TMR3MASK);
59 setbits_be32(&intp->int_icr1, CONFIG_SYS_TMRINTR_PRI);
61 #endif /* CONFIG_MCFTMR */
62 #endif /* CONFIG_M5272 */
64 #if defined(CONFIG_M5208) || defined(CONFIG_M5282) || \
65 defined(CONFIG_M5271) || defined(CONFIG_M5275)
66 int interrupt_init(void)
68 int0_t *intp = (int0_t *) (CONFIG_SYS_INTR_BASE);
70 /* Make sure all interrupts are disabled */
71 #if defined(CONFIG_M5208)
72 out_be32(&intp->imrl0, 0xffffffff);
73 out_be32(&intp->imrh0, 0xffffffff);
75 setbits_be32(&intp->imrl0, 0x1);
82 #if defined(CONFIG_MCFTMR)
83 void dtimer_intr_setup(void)
85 int0_t *intp = (int0_t *) (CONFIG_SYS_INTR_BASE);
87 out_8(&intp->icr0[CONFIG_SYS_TMRINTR_NO], CONFIG_SYS_TMRINTR_PRI);
88 clrbits_be32(&intp->imrl0, 0x00000001);
89 clrbits_be32(&intp->imrl0, CONFIG_SYS_TMRINTR_MASK);
91 #endif /* CONFIG_MCFTMR */
92 #endif /* CONFIG_M5282 | CONFIG_M5271 | CONFIG_M5275 */
94 #if defined(CONFIG_M5249) || defined(CONFIG_M5253)
95 int interrupt_init(void)
102 #if defined(CONFIG_MCFTMR)
103 void dtimer_intr_setup(void)
105 mbar_writeLong(MCFSIM_IMR, mbar_readLong(MCFSIM_IMR) & ~0x00000400);
106 mbar_writeByte(MCFSIM_TIMER2ICR, CONFIG_SYS_TMRINTR_PRI);
108 #endif /* CONFIG_MCFTMR */
109 #endif /* CONFIG_M5249 || CONFIG_M5253 */