eeprom.h 797 B

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  1. /* SPDX-License-Identifier: GPL-2.0+ */
  2. /*
  3. * Copyright 2004 Freescale Semiconductor.
  4. */
  5. #ifndef __EEPROM_H_
  6. #define __EEPROM_H_
  7. /*
  8. * EEPROM Board System Register interface.
  9. */
  10. /*
  11. * CPU Board Revision
  12. */
  13. #define MPC85XX_CPU_BOARD_REV(maj, min) ((((maj)&0xff) << 8) | ((min) & 0xff))
  14. #define MPC85XX_CPU_BOARD_MAJOR(rev) (((rev) >> 8) & 0xff)
  15. #define MPC85XX_CPU_BOARD_MINOR(rev) ((rev) & 0xff)
  16. #define MPC85XX_CPU_BOARD_REV_UNKNOWN MPC85XX_CPU_BOARD_REV(0,0)
  17. #define MPC85XX_CPU_BOARD_REV_1_0 MPC85XX_CPU_BOARD_REV(1,0)
  18. #define MPC85XX_CPU_BOARD_REV_1_1 MPC85XX_CPU_BOARD_REV(1,1)
  19. /*
  20. * Returns CPU board revision register as a 16-bit value with
  21. * the Major in the high byte, and Minor in the low byte.
  22. */
  23. extern unsigned int get_cpu_board_revision(void);
  24. #endif /* __CADMUS_H_ */