cpu.c 1.6 KB

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  1. /*
  2. * (C) Copyright 2003
  3. * Wolfgang Denk, DENX Software Engineering, <wd@denx.de>
  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/inca-ip.h>
  26. #include <asm/mipsregs.h>
  27. int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
  28. {
  29. #if defined(CONFIG_INCA_IP)
  30. *INCA_IP_WDT_RST_REQ = 0x3f;
  31. #elif defined(CONFIG_PURPLE) || defined(CONFIG_TB0229)
  32. void (*f)(void) = (void *) 0xbfc00000;
  33. f();
  34. #endif
  35. fprintf(stderr, "*** reset failed ***\n");
  36. return 0;
  37. }
  38. void flush_cache(ulong start_addr, ulong size)
  39. {
  40. }
  41. void write_one_tlb(int index, u32 pagemask, u32 hi, u32 low0, u32 low1)
  42. {
  43. write_32bit_cp0_register(CP0_ENTRYLO0, low0);
  44. write_32bit_cp0_register(CP0_PAGEMASK, pagemask);
  45. write_32bit_cp0_register(CP0_ENTRYLO1, low1);
  46. write_32bit_cp0_register(CP0_ENTRYHI, hi);
  47. write_32bit_cp0_register(CP0_INDEX, index);
  48. tlb_write_indexed();
  49. }