interrupts.c 2.0 KB

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  1. /*
  2. * (C) Copyright 2000-2002
  3. * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  4. *
  5. * Copyright 2004 Freescale Semiconductor, Inc.
  6. *
  7. * See file CREDITS for list of people who contributed to this
  8. * project.
  9. *
  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.
  14. *
  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.
  19. *
  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,
  23. * MA 02111-1307 USA
  24. *
  25. * Change log:
  26. *
  27. * Hacked for MPC8260 by Murray.Jensen@cmst.csiro.au, 22-Oct-00
  28. *
  29. * 20050101: Eran Liberty (liberty@freescale.com)
  30. * Initial file creating (porting from 85XX & 8260)
  31. */
  32. #include <common.h>
  33. #include <command.h>
  34. #include <mpc83xx.h>
  35. #include <asm/processor.h>
  36. struct irq_action {
  37. interrupt_handler_t *handler;
  38. void *arg;
  39. ulong count;
  40. };
  41. int interrupt_init_cpu (unsigned *decrementer_count)
  42. {
  43. return 0;
  44. }
  45. /*
  46. * Handle external interrupts
  47. */
  48. void external_interrupt (struct pt_regs *regs)
  49. {
  50. }
  51. /*
  52. * Install and free an interrupt handler.
  53. */
  54. void
  55. irq_install_handler (int irq, interrupt_handler_t * handler, void *arg)
  56. {
  57. }
  58. void irq_free_handler (int irq)
  59. {
  60. }
  61. void timer_interrupt_cpu (struct pt_regs *regs)
  62. {
  63. /* nothing to do here */
  64. return;
  65. }
  66. #if (CONFIG_COMMANDS & CFG_CMD_IRQ)
  67. /* ripped this out of ppc4xx/interrupts.c */
  68. /*
  69. * irqinfo - print information about PCI devices
  70. */
  71. void
  72. do_irqinfo(cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[])
  73. {
  74. }
  75. #endif /* CONFIG_COMMANDS & CFG_CMD_IRQ */