memory.h 696 B

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  1. /*
  2. * arch/arm/mach-h720x/include/mach/memory.h
  3. *
  4. * Copyright (c) 2000 Jungjun Kim
  5. *
  6. */
  7. #ifndef __ASM_ARCH_MEMORY_H
  8. #define __ASM_ARCH_MEMORY_H
  9. /*
  10. * Page offset:
  11. * ( 0xc0000000UL )
  12. */
  13. #define PHYS_OFFSET UL(0x40000000)
  14. /*
  15. * Virtual view <-> DMA view memory address translations
  16. * virt_to_bus: Used to translate the virtual address to an
  17. * address suitable to be passed to set_dma_addr
  18. * bus_to_virt: Used to convert an address for DMA operations
  19. * to an address that the kernel can use.
  20. *
  21. * There is something to do here later !, Mar 2000, Jungjun Kim
  22. */
  23. #define __virt_to_bus(x) __virt_to_phys(x)
  24. #define __bus_to_virt(x) __phys_to_virt(x)
  25. #endif