memory.h
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上传日期:2009-04-28
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- /*
- * linux/include/asm-arm/arch-h720x/memory.h
- *
- * Copyright (c) 2000 Jungjun Kim
- *
- */
- #ifndef __ASM_ARCH_MEMORY_H
- #define __ASM_ARCH_MEMORY_H
- /*
- * Page offset:
- * ( 0xc0000000UL )
- */
- #define PHYS_OFFSET (0x40000000UL)
- /*
- * Virtual view <-> DMA view memory address translations
- * virt_to_bus: Used to translate the virtual address to an
- * address suitable to be passed to set_dma_addr
- * bus_to_virt: Used to convert an address for DMA operations
- * to an address that the kernel can use.
- *
- * There is something to do here later !, Mar 2000, Jungjun Kim
- */
- #define __virt_to_bus__is_a_macro
- #define __virt_to_bus(x) __virt_to_phys(x)
- #define __bus_to_virt__is_a_macro
- #define __bus_to_virt(x) __phys_to_virt(x)
- #endif