eeprom.h 1.5 KB

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  1. /*
  2. * Copyright 2004 Freescale Semiconductor.
  3. *
  4. * See file CREDITS for list of people who contributed to this
  5. * project.
  6. *
  7. * This program is free software; you can redistribute it and/or
  8. * modify it under the terms of the GNU General Public License as
  9. * published by the Free Software Foundation; either version 2 of
  10. * the License, or (at your option) any later version.
  11. *
  12. * This program is distributed in the hope that it will be useful,
  13. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15. * GNU General Public License for more details.
  16. *
  17. * You should have received a copy of the GNU General Public License
  18. * along with this program; if not, write to the Free Software
  19. * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  20. * MA 02111-1307 USA
  21. */
  22. #ifndef __EEPROM_H_
  23. #define __EEPROM_H_
  24. /*
  25. * EEPROM Board System Register interface.
  26. */
  27. /*
  28. * CPU Board Revision
  29. */
  30. #define MPC85XX_CPU_BOARD_REV(maj, min) ((((maj)&0xff) << 8) | ((min) & 0xff))
  31. #define MPC85XX_CPU_BOARD_MAJOR(rev) (((rev) >> 8) & 0xff)
  32. #define MPC85XX_CPU_BOARD_MINOR(rev) ((rev) & 0xff)
  33. #define MPC85XX_CPU_BOARD_REV_UNKNOWN MPC85XX_CPU_BOARD_REV(0,0)
  34. #define MPC85XX_CPU_BOARD_REV_1_0 MPC85XX_CPU_BOARD_REV(1,0)
  35. #define MPC85XX_CPU_BOARD_REV_1_1 MPC85XX_CPU_BOARD_REV(1,1)
  36. /*
  37. * Returns CPU board revision register as a 16-bit value with
  38. * the Major in the high byte, and Minor in the low byte.
  39. */
  40. extern unsigned int get_cpu_board_revision(void);
  41. #endif /* __CADMUS_H_ */