mirror of https://gitee.com/openkylin/linux.git
27 lines
665 B
C
27 lines
665 B
C
/*
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* include/asm-arm/arch-iop33x/memory.h
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*/
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#ifndef __MEMORY_H
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#define __MEMORY_H
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#include <asm/hardware.h>
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/*
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* Physical DRAM offset.
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*/
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#define PHYS_OFFSET UL(0x00000000)
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/*
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* Virtual view <-> PCI DMA view memory address translations
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* virt_to_bus: Used to translate the virtual address to an
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* address suitable to be passed to set_dma_addr
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* bus_to_virt: Used to convert an address for DMA operations
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* to an address that the kernel can use.
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*/
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#define __virt_to_bus(x) (((__virt_to_phys(x)) & ~(*IOP3XX_IATVR2)) | ((*IOP3XX_IABAR2) & 0xfffffff0))
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#define __bus_to_virt(x) (__phys_to_virt(((x) & ~(*IOP3XX_IALR2)) | ( *IOP3XX_IATVR2)))
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#endif
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