cpu.h 977 B

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  1. /*
  2. * include/asm-arm/arch-ixp4xx/cpu.h
  3. *
  4. * IXP4XX cpu type detection
  5. *
  6. * Copyright (C) 2007 MontaVista Software, Inc.
  7. *
  8. * This program is free software; you can redistribute it and/or modify
  9. * it under the terms of the GNU General Public License version 2 as
  10. * published by the Free Software Foundation.
  11. *
  12. */
  13. #ifndef __ASM_ARCH_CPU_H__
  14. #define __ASM_ARCH_CPU_H__
  15. extern unsigned int processor_id;
  16. /* Processor id value in CP15 Register 0 */
  17. #define IXP425_PROCESSOR_ID_VALUE 0x690541c0
  18. #define IXP435_PROCESSOR_ID_VALUE 0x69054040
  19. #define IXP465_PROCESSOR_ID_VALUE 0x69054200
  20. #define IXP4XX_PROCESSOR_ID_MASK 0xfffffff0
  21. #define cpu_is_ixp42x() ((processor_id & IXP4XX_PROCESSOR_ID_MASK) == \
  22. IXP425_PROCESSOR_ID_VALUE)
  23. #define cpu_is_ixp43x() ((processor_id & IXP4XX_PROCESSOR_ID_MASK) == \
  24. IXP435_PROCESSOR_ID_VALUE)
  25. #define cpu_is_ixp46x() ((processor_id & IXP4XX_PROCESSOR_ID_MASK) == \
  26. IXP465_PROCESSOR_ID_VALUE)
  27. #endif /* _ASM_ARCH_CPU_H */