arch/m68k/cpu/mcf532x/interrupts.c

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