xref: /openbmc/u-boot/arch/m68k/cpu/mcf5227x/interrupts.c (revision 83d290c56fab2d38cd1ab4c4cc7099559c1d5046)
1*83d290c5STom Rini // SPDX-License-Identifier: GPL-2.0+
2a4145534SPeter Tyser /*
3a4145534SPeter Tyser  *
4a4145534SPeter Tyser  * (C) Copyright 2000-2004
5a4145534SPeter Tyser  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
6a4145534SPeter Tyser  *
7849fc424SAlison Wang  * Copyright (C) 2004-2007, 2012 Freescale Semiconductor, Inc.
8a4145534SPeter Tyser  * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
9a4145534SPeter Tyser  */
10a4145534SPeter Tyser 
11a4145534SPeter Tyser /* CPU specific interrupt routine */
12a4145534SPeter Tyser #include <common.h>
13a4145534SPeter Tyser #include <asm/immap.h>
14849fc424SAlison Wang #include <asm/io.h>
15a4145534SPeter Tyser 
interrupt_init(void)16a4145534SPeter Tyser int interrupt_init(void)
17a4145534SPeter Tyser {
18849fc424SAlison Wang 	int0_t *intp = (int0_t *) (CONFIG_SYS_INTR_BASE);
19a4145534SPeter Tyser 
20a4145534SPeter Tyser 	/* Make sure all interrupts are disabled */
21849fc424SAlison Wang 	setbits_be32(&intp->imrh0, 0xffffffff);
22849fc424SAlison Wang 	setbits_be32(&intp->imrl0, 0xffffffff);
23a4145534SPeter Tyser 
24a4145534SPeter Tyser 	enable_interrupts();
25a4145534SPeter Tyser 	return 0;
26a4145534SPeter Tyser }
27a4145534SPeter Tyser 
28a4145534SPeter Tyser #if defined(CONFIG_MCFTMR)
dtimer_intr_setup(void)29a4145534SPeter Tyser void dtimer_intr_setup(void)
30a4145534SPeter Tyser {
31849fc424SAlison Wang 	int0_t *intp = (int0_t *) (CONFIG_SYS_INTR_BASE);
32a4145534SPeter Tyser 
33849fc424SAlison Wang 	out_8(&intp->icr0[CONFIG_SYS_TMRINTR_NO], CONFIG_SYS_TMRINTR_PRI);
34849fc424SAlison Wang 	clrbits_be32(&intp->imrh0, CONFIG_SYS_TMRINTR_MASK);
35a4145534SPeter Tyser }
36a4145534SPeter Tyser #endif
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