cpu.c 1.6 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. #include <asm/cache.h>
  27. int checkcpu(void)
  28. {
  29. puts("CPU: SH4\n");
  30. return 0;
  31. }
  32. int cpu_init (void)
  33. {
  34. return 0;
  35. }
  36. int cleanup_before_linux (void)
  37. {
  38. disable_interrupts();
  39. return 0;
  40. }
  41. int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
  42. {
  43. disable_interrupts();
  44. reset_cpu (0);
  45. return 0;
  46. }
  47. void flush_cache (unsigned long addr, unsigned long size)
  48. {
  49. dcache_invalid_range( addr , addr + size );
  50. }
  51. void icache_enable (void)
  52. {
  53. cache_control(0);
  54. }
  55. void icache_disable (void)
  56. {
  57. cache_control(1);
  58. }
  59. int icache_status (void)
  60. {
  61. return 0;
  62. }
  63. void dcache_enable (void)
  64. {
  65. }
  66. void dcache_disable (void)
  67. {
  68. }
  69. int dcache_status (void)
  70. {
  71. return 0;
  72. }