2 * (C) Copyright 2003 Josef Baumgartner <josef.baumgartner@telex.de>
4 * (C) Copyright 2000-2004
5 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
7 * See file CREDITS for list of people who contributed to this
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License as
12 * published by the Free Software Foundation; either version 2 of
13 * the License, or (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
28 #include <asm/processor.h>
29 #include <asm/immap.h>
32 int interrupt_init(void)
34 volatile intctrl_t *intp = (intctrl_t *) (MMAP_INTC);
36 /* disable all external interrupts */
37 intp->int_icr1 = 0x88888888;
38 intp->int_icr2 = 0x88888888;
39 intp->int_icr3 = 0x88888888;
40 intp->int_icr4 = 0x88888888;
41 intp->int_pitr = 0x00000000;
42 /* initialize vector register */
43 intp->int_pivr = 0x40;
50 #if defined(CONFIG_MCFTMR)
51 void dtimer_intr_setup(void)
53 volatile intctrl_t *intp = (intctrl_t *) (CFG_INTR_BASE);
55 intp->int_icr1 &= ~INT_ICR1_TMR3MASK;
56 intp->int_icr1 |= CFG_TMRINTR_PRI;
58 #endif /* CONFIG_MCFTMR */
59 #endif /* CONFIG_M5272 */
61 #if defined(CONFIG_M5282) || defined(CONFIG_M5271)
62 int interrupt_init(void)
64 volatile int0_t *intp = (int0_t *) (CFG_INTR_BASE);
66 /* Make sure all interrupts are disabled */
73 #if defined(CONFIG_MCFTMR)
74 void dtimer_intr_setup(void)
76 volatile int0_t *intp = (int0_t *) (CFG_INTR_BASE);
78 intp->icr0[CFG_TMRINTR_NO] = CFG_TMRINTR_PRI;
79 intp->imrl0 &= ~0xFFFFFFFE;
80 intp->imrl0 &= ~CFG_TMRINTR_MASK;
82 #endif /* CONFIG_MCFTMR */
83 #endif /* CONFIG_M5282 | CONFIG_M5271 */
86 int interrupt_init(void)
93 #if defined(CONFIG_MCFTMR)
94 void dtimer_intr_setup(void)
96 mbar_writeLong(MCFSIM_IMR, mbar_readLong(MCFSIM_IMR) & ~0x00000400);
97 mbar_writeByte(MCFSIM_TIMER2ICR,
98 MCFSIM_ICR_AUTOVEC | MCFSIM_ICR_LEVEL7 |
101 #endif /* CONFIG_MCFTMR */
102 #endif /* CONFIG_M5249 */