cpu.c 1.5 KB

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  1. /*
  2. * (C) Copyright 2007
  3. * Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
  4. *
  5. * See file CREDITS for list of people who contributed to this
  6. * project.
  7. *
  8. * This program is free software; you can redistribute it and/or
  9. * modify it under the terms of the GNU General Public License as
  10. * published by the Free Software Foundation; either version 2 of
  11. * the License, or (at your option) any later version.
  12. *
  13. * This program is distributed in the hope that it will be useful,
  14. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  16. * GNU General Public License for more details.
  17. *
  18. * You should have received a copy of the GNU General Public License
  19. * along with this program; if not, write to the Free Software
  20. * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21. * MA 02111-1307 USA
  22. */
  23. #include <common.h>
  24. #include <command.h>
  25. #include <asm/processor.h>
  26. int checkcpu(void)
  27. {
  28. puts("CPU: SH4\n");
  29. return 0;
  30. }
  31. int cpu_init (void)
  32. {
  33. return 0;
  34. }
  35. int cleanup_before_linux (void)
  36. {
  37. disable_interrupts();
  38. return 0;
  39. }
  40. int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
  41. {
  42. disable_interrupts();
  43. reset_cpu (0);
  44. return 0;
  45. }
  46. void flush_cache (unsigned long addr, unsigned long size)
  47. {
  48. }
  49. void icache_enable (void)
  50. {
  51. cache_control(0);
  52. }
  53. void icache_disable (void)
  54. {
  55. cache_control(1);
  56. }
  57. int icache_status (void)
  58. {
  59. return 0;
  60. }
  61. void dcache_enable (void)
  62. {
  63. }
  64. void dcache_disable (void)
  65. {
  66. }
  67. int dcache_status (void)
  68. {
  69. return 0;
  70. }