memory.h 991 B

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  1. /*
  2. * arch/arm/mach-rpc/include/mach/memory.h
  3. *
  4. * Copyright (C) 1996,1997,1998 Russell King.
  5. *
  6. * This program is free software; you can redistribute it and/or modify
  7. * it under the terms of the GNU General Public License version 2 as
  8. * published by the Free Software Foundation.
  9. *
  10. * Changelog:
  11. * 20-Oct-1996 RMK Created
  12. * 31-Dec-1997 RMK Fixed definitions to reduce warnings
  13. * 11-Jan-1998 RMK Uninlined to reduce hits on cache
  14. * 08-Feb-1998 RMK Added __virt_to_bus and __bus_to_virt
  15. * 21-Mar-1999 RMK Renamed to memory.h
  16. * RMK Added TASK_SIZE and PAGE_OFFSET
  17. */
  18. #ifndef __ASM_ARCH_MEMORY_H
  19. #define __ASM_ARCH_MEMORY_H
  20. /*
  21. * Cache flushing area - ROM
  22. */
  23. #define FLUSH_BASE_PHYS 0x00000000
  24. #define FLUSH_BASE 0xdf000000
  25. /*
  26. * Sparsemem support. Each section is a maximum of 64MB. The sections
  27. * are offset by 128MB and can cover 128MB, so that gives us a maximum
  28. * of 29 physmem bits.
  29. */
  30. #define MAX_PHYSMEM_BITS 29
  31. #define SECTION_SIZE_BITS 26
  32. #endif