cpu_info.c 1.3 KB

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  1. /*
  2. * Copyright (C) 2009 Samsung Electronics
  3. * Minkyu Kang <mk7.kang@samsung.com>
  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 <asm/io.h>
  25. #include <asm/arch/clk.h>
  26. /* Default is s5pc100 */
  27. unsigned int s5p_cpu_id = 0xC100;
  28. /* Default is EVT1 */
  29. unsigned int s5p_cpu_rev = 1;
  30. #ifdef CONFIG_ARCH_CPU_INIT
  31. int arch_cpu_init(void)
  32. {
  33. s5p_set_cpu_id();
  34. return 0;
  35. }
  36. #endif
  37. u32 get_device_type(void)
  38. {
  39. return s5p_cpu_id;
  40. }
  41. #ifdef CONFIG_DISPLAY_CPUINFO
  42. int print_cpuinfo(void)
  43. {
  44. char buf[32];
  45. printf("CPU:\tS5P%X@%sMHz\n",
  46. s5p_cpu_id, strmhz(buf, get_arm_clk()));
  47. return 0;
  48. }
  49. #endif