arch/m68k/cpu/mcf5445x/interrupts.c

   1 /*
   2  *
   3  * (C) Copyright 2000-2004
   4  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   5  *
   6  * Copyright (C) 2004-2007, 2012 Freescale Semiconductor, Inc.
   7  * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
   8  *
   9  * SPDX-License-Identifier:     GPL-2.0+
  10  */
  11
  12 /* CPU specific interrupt routine */
  13 #include <common.h>
  14 #include <asm/immap.h>
  15 #include <asm/io.h>
  16
  17 int interrupt_init(void)
  18 {
  19         int0_t *intp = (int0_t *) (CONFIG_SYS_INTR_BASE);
  20
  21         /* Make sure all interrupts are disabled */
  22         setbits_be32(&intp->imrh0, 0xffffffff);
  23         setbits_be32(&intp->imrl0, 0xffffffff);
  24
  25         enable_interrupts();
  26         return 0;
  27 }
  28
  29 #if defined(CONFIG_MCFTMR)
  30 void dtimer_intr_setup(void)
  31 {
  32         int0_t *intp = (int0_t *) (CONFIG_SYS_INTR_BASE);
  33
  34         out_8(&intp->icr0[CONFIG_SYS_TMRINTR_NO], CONFIG_SYS_TMRINTR_PRI);
  35         clrbits_be32(&intp->imrh0, CONFIG_SYS_TMRINTR_MASK);
  36 }
  37 #endif