cpu.c 1.7 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 <netdev.h>
  28. #include <asm/io.h>
  29. #include <asm/processor.h>
  30. DECLARE_GLOBAL_DATA_PTR;
  31. extern void _reset_reloc(void);
  32. int checkcpu(void)
  33. {
  34. /* check LEON version here */
  35. printf("CPU: LEON3\n");
  36. return 0;
  37. }
  38. /* ------------------------------------------------------------------------- */
  39. void cpu_reset(void)
  40. {
  41. /* Interrupts off */
  42. disable_interrupts();
  43. /* jump to restart in flash */
  44. _reset_reloc();
  45. }
  46. int do_reset(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
  47. {
  48. cpu_reset();
  49. return 1;
  50. }
  51. u64 flash_read64(void *addr)
  52. {
  53. return __raw_readq(addr);
  54. }
  55. /* ------------------------------------------------------------------------- */
  56. #ifdef CONFIG_GRETH
  57. int cpu_eth_init(bd_t *bis)
  58. {
  59. return greth_initialize(bis);
  60. }
  61. #endif