diff options
Diffstat (limited to 'arch/m68k/cpu/mcf5445x/interrupts.c')
-rw-r--r-- | arch/m68k/cpu/mcf5445x/interrupts.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/arch/m68k/cpu/mcf5445x/interrupts.c b/arch/m68k/cpu/mcf5445x/interrupts.c new file mode 100644 index 0000000..a2cf519 --- /dev/null +++ b/arch/m68k/cpu/mcf5445x/interrupts.c @@ -0,0 +1,53 @@ +/* + * + * (C) Copyright 2000-2004 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * Copyright (C) 2004-2007, 2012 Freescale Semiconductor, Inc. + * TsiChung Liew (Tsi-Chung.Liew@freescale.com) + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +/* CPU specific interrupt routine */ +#include <common.h> +#include <asm/immap.h> +#include <asm/io.h> + +int interrupt_init(void) +{ + int0_t *intp = (int0_t *) (CONFIG_SYS_INTR_BASE); + + /* Make sure all interrupts are disabled */ + setbits_be32(&intp->imrh0, 0xffffffff); + setbits_be32(&intp->imrl0, 0xffffffff); + + enable_interrupts(); + return 0; +} + +#if defined(CONFIG_MCFTMR) +void dtimer_intr_setup(void) +{ + int0_t *intp = (int0_t *) (CONFIG_SYS_INTR_BASE); + + out_8(&intp->icr0[CONFIG_SYS_TMRINTR_NO], CONFIG_SYS_TMRINTR_PRI); + clrbits_be32(&intp->imrh0, CONFIG_SYS_TMRINTR_MASK); +} +#endif |