cpu.c 1.6 KB

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  1. /* CPU specific code for the LEON3 CPU
  2. *
  3. * (C) Copyright 2007
  4. * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com
  5. *
  6. * See file CREDITS for list of people who contributed to this
  7. * project.
  8. *
  9. * This program is free software; you can redistribute it and/or
  10. * modify it under the terms of the GNU General Public License as
  11. * published by the Free Software Foundation; either version 2 of
  12. * the License, or (at your option) any later version.
  13. *
  14. * This program is distributed in the hope that it will be useful,
  15. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  17. * GNU General Public License for more details.
  18. *
  19. * You should have received a copy of the GNU General Public License
  20. * along with this program; if not, write to the Free Software
  21. * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  22. * MA 02111-1307 USA
  23. */
  24. #include <common.h>
  25. #include <watchdog.h>
  26. #include <command.h>
  27. #include <asm/io.h>
  28. #include <asm/processor.h>
  29. DECLARE_GLOBAL_DATA_PTR;
  30. extern void _reset_reloc(void);
  31. int checkcpu(void)
  32. {
  33. /* check LEON version here */
  34. printf("CPU: LEON3\n");
  35. return 0;
  36. }
  37. /* ------------------------------------------------------------------------- */
  38. void cpu_reset(void)
  39. {
  40. /* Interrupts off */
  41. disable_interrupts();
  42. /* jump to restart in flash */
  43. _reset_reloc();
  44. }
  45. int do_reset(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
  46. {
  47. cpu_reset();
  48. return 1;
  49. }
  50. u64 flash_read64(void *addr)
  51. {
  52. return __raw_readq(addr);
  53. }
  54. /* ------------------------------------------------------------------------- */